JP6857910B2 - Air pump for septic tank, air pump application system - Google Patents

Description

The present invention relates to an air pump for supplying air to a septic tank.

Conventionally, an example of this type of air pump (hereinafter, simply referred to as “pump”) is disclosed in Patent Document 1 below. This pump is a pump that can be used in a septic tank, and is equipped with operating members such as a switch and a similar changer for setting operating conditions corresponding to the backwashing treatment conditions of the septic tank. Therefore, the user can freely change and set the operating conditions of the pump by operating the operating member.

Japanese Unexamined Patent Publication No. 10-196547

By the way, since the operating conditions of the above pump can be freely changed, this pump can be used not only for a specific septic tank but also for another septic tank (a septic tank of another manufacturer or another type of septic tank with a different processing capacity). It can also be used. That is, this pump can be applied to another septic tank by changing the operating conditions of the pump according to, for example, the conditions on the design specifications of each septic tank.

However, even if the pump can be applied to a plurality of septic tanks, it is necessary to set the operating conditions of this pump according to the design specifications of the septic tank to be used when the pump is newly installed or replaced. At this time, the user has to operate the operating member for each of the plurality of operating parameters to set the conditions, and the operation at this time is troublesome. Further, as the number of operating parameters increases, there is a concern that the user may input an erroneous value when operating the operating member. In particular, these problems become more pronounced as the number of septic tanks that can be adapted increases.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an effective technique for enhancing the versatility of an air pump for a septic tank and facilitating the operation of setting operating conditions.

One aspect of the present invention is
An air pump for septic tanks to supply air to septic tanks.
An air discharge unit having a first discharge port and a second discharge port,
A controller that controls the air discharge unit so as to discharge air from either the first discharge port or the second discharge port based on a plurality of programs in which a plurality of operation parameters are combined.
The housing that houses the air discharge part and
A cover for an upper coating that covers only the upper part of the housing of the above housing is provided.
The controller, the concave accommodation space, the suction port opening in the accommodation space, and the air arranged in a plane-like position with the controller and before being sucked from the suction port pass through the upper part of the housing. A filter, an erection wall that forms the accommodation space and is erected so as to surround both the filter and the controller, and a seal member that seals between the erection wall and the cover are provided. Has been
The controller and the filter are covered by the cover ,
It is in a septic tank air pump in which the sealing member is pressed against the upper end of the erecting wall by the cover.

Further, another aspect of the present invention is
With multiple septic tanks of different types
An air pump application system including an air pump that can be connected to the septic tank to supply air to each of the plurality of septic tanks and is connected to any one of the plurality of septic tanks to supply air. There,
The air pump is in an air pump application system, which is composed of the above-mentioned septic tank air pump.

In each of the above aspects, according to the septic tank air pump having the above configuration, it is only necessary to select and instruct one of a plurality of programs via the input unit, and a plurality of operating parameters included in this program. Can be set to operating conditions suitable for septic tanks. That is, a plurality of operation parameter setting operations of the septic tank air pump can be performed at once from the input unit. Then, the air discharge unit is controlled according to the operating conditions set for the plurality of operating parameters.

According to such a setting operation, the time required for this setting operation can be shortened as compared with the case where the setting operation is individually performed for each of the plurality of operation parameters. Therefore, the time and effort for setting can be reduced. Further, by storing the program corresponding to each of a plurality of different types of septic tanks in the storage unit, one septic tank air pump can be applied to any of these plurality of septic tanks, and the versatility of this air pump is enhanced. be able to.

As described above, according to each of the above aspects, the versatility of the septic tank air pump can be enhanced, and the operation of setting the operating conditions can be facilitated.

The figure which shows typically the state which the air pump for a septic tank of Embodiment 1 is connected to a septic tank. The perspective view which shows the septic tank air pump in FIG. 1 with the cover closed. A side view of the septic tank air pump of FIG. FIG. 2 is a perspective view showing the septic tank air pump of FIG. 2 with the cover opened. The figure which shows the structure inside the cover. The figure which shows the cross-sectional structure around the erection wall of the upper housing. Top view of the operation panel of the controller. FIG. 2 is a system configuration diagram of an air pump for a septic tank shown in FIG. The figure which shows the program selection table. The figure which shows the combination pattern of a plurality of operation parameters in a program. The figure which shows the state when the oscillator strokes in one direction about the air compression part of the septic tank air pump of FIG. The figure which shows the state when the oscillator strokes in the other direction about the air compression part of the septic tank air pump of FIG. The plan view which shows the flow path switching part of the air pump for a septic tank of FIG. FIG. 13 is a plan view showing a state of the switching valve when the solenoid is operated. FIG. 13 is a plan view showing a state of the switching valve when the solenoid is not operating. The figure which shows the air pump application system by the air pump for the septic tank of Embodiment 1 or Embodiment 2. The figure which shows typically the state which the air pump for a septic tank of Embodiment 3 is connected to a septic tank. The figure which shows the air pump application system by the air pump for a septic tank of Embodiment 3. The figure which shows the air pump application system by the air pump for a septic tank of Embodiment 4.

In the present specification, "plurality of septic tanks of different types" are septic tanks having a different relationship with respect to at least one of elements such as capacity, shape, internal structure, processing capacity, processing method, and processing conditions of the tank body. To say.

In the septic tank air pump, the air discharge section is any of a plurality of discharge ports, an air compression section that sucks and compresses air, and the plurality of discharge ports that compress air compressed by the air compression section. A flow path switching unit capable of switching the flow path so as to discharge from one discharge port is provided, and the plurality of operation parameters are parameters relating to at least one of the air compression unit and the flow path switching unit. Is preferable.
As a result, air pump control using the parameters related to the air compression unit and the flow path switching unit and the parameters related to the flow path switching unit as a plurality of operating parameters included in each program becomes possible.

In the septic tank air pump, each of the plurality of septic tanks of different types has a filling region filled with a filler, an air diffuser pipe for supplying air for air diffusion from below the filling region, and the filling region. A backwash pipe for supplying backwash air from below is provided, the air diffuser pipe is connected to the first discharge port of the plurality of discharge ports, and the backwash pipe is connected to the second discharge port. Are connected, and the plurality of operation parameters are the number of backwashes per day for the backwash air discharged from the second discharge port and the backwash thereof as parameters related to the flow path switching unit. It is preferable to include a backwash time per one time.
As a result, for a septic tank that has both an air diffuser function and a backwash function, the number of backwashes per day and the backwash time per backwash are as multiple operation parameters included in each program. Allows air pump control using at least.

In the septic tank air pump, the plurality of operating parameters preferably include the backwash air volume per unit time of the backwash air discharged from the second discharge port as a parameter relating to the air compression unit.
As a result, for a septic tank that has both an air diffuser function and a backwash function, the number of backwashes per day and the backwash time per backwash are as multiple operation parameters included in each program. It is possible to control the air pump using at least the amount of backwash air per unit time of backwash air.

In the above septic tank air pump, each of the plurality of septic tanks of different types is provided with a filling region filled with a filler, and air for diffusion is supplied as a means capable of supplying air from below the filling region. Only the air diffuser is provided, and the air diffuser is connected to the first discharge port of the plurality of discharge ports and the second discharge port is not connected. As parameters related to the flow path switching unit, the number of times the air diffuser is stopped per day and the air diffuser stop time per time the air diffuser is stopped are set as parameters for the air diffuser discharged from the first discharge port. It is preferable to include it.
As a result, for septic tanks that have an air diffuser function but do not have a backwash function, the number of air diffuser stops per day and each air diffuser stop are as multiple operating parameters included in each program. Allows air pump control using at least the air dispersal stop time.

The septic tank air pump further accommodates the air discharge portion, and both have a housing provided with an annular standing wall that surrounds the input portion and the control portion arranged at the upper part of the housing, and a hinge portion on the housing. A cover rotatably attached between a first position that covers the erection wall and a second position that releases the coating, and a cover when the cover is in the first position. It is preferable to provide a sealing member for sealing between the housing and the upright wall of the housing.
Here, the cover has a function of preventing water droplets from entering the area of the housing surrounded by the upright wall. When the cover is in the first position, the input and control units surrounded by the erection wall are covered by this cover and sealed by a sealing member. Therefore, it is possible to improve the preventability of the input unit and the control unit of the pump.
Further, when the cover is in the second position, the input unit can be operated. According to this rotary cover, the input unit can be easily set to the operable state. Therefore, the operability of the input portion of the pump is improved.

(Embodiment 1)
Hereinafter, an embodiment of the septic tank air pump (hereinafter, also simply referred to as “pump”) of the present invention will be described with reference to the drawings.

In the drawings for explaining this pump, the first direction in the left-right direction is indicated by an arrow X, the second direction in the front-rear direction is indicated by an arrow Y, and the third direction in the height direction is indicated by an arrow Z. Shown. Unless otherwise specified, the part of the pump provided with the discharge port is the front side of the pump and its components.

This pump is for supplying air to the septic tank. This pump typically supplies driving air to the airlift pump that transfers the water to be treated in the septic tank, as a means to supply air for dissipating air or backwashing air to the water to be treated in the septic tank. It is used as a means to do so. This pump can also be referred to as a "blower" or "blower" for applying pressure to the air and sending it out.

As shown in FIG. 1, the pump 1 of the first embodiment includes two housings 2 and 5 and a cover 6 that covers the upper housing 2. The lower housing 5 is provided with a first discharge port 5a and a second discharge port 5b, respectively, for discharging air. The two discharge ports 5a and 5b are arranged parallel to each other with a predetermined interval. The pump 1 has a built-in air discharge unit 40 for discharging air from any one of the two discharge ports 5a and 5b.

This pump 1 is used as a pump suitable for the septic tank 101. In this case, the pump 1 is installed outdoors together with the septic tank 101 that is buried underground at the time of installation. The first discharge port 5a of the pump 1 is connected to the air supply port 101a, which is the first air supply destination of the septic tank 101, through a connection pipe (not shown). The second discharge port 5b of the pump 1 is connected to the air supply port 101b, which is the second air supply destination of the septic tank 101, through a connection pipe (not shown).

The septic tank 101 includes a tank body 101c and a water treatment unit 110 housed in the tank body 101c.

The tank body 101c is configured as a tank-like body having a space capable of accommodating the water treatment unit 110 by abutting the half-split upper tank and the lower tank. The tank body 101c includes an inflow pipe 101d into which the water to be treated flows in, and an outflow pipe 101e in which the water after being treated by the water treatment unit 110 flows out.

The water treatment unit 110 has a function of treating water from flowing in from the inflow pipe 101d to flowing out from the outflow pipe 101e, and has a contaminant removal tank 111, an anaerobic filter bed tank 112, a biological filtration tank 113, and a treated water tank. It is equipped with 114 and a disinfection tank 115.

The contaminant removal tank 111 is provided with a solid-liquid separating means composed of an inflow baffle (not shown), and is a tank for separating contaminants from the water to be treated by using the solid-liquid separating means. The anaerobic filter bed tank 112 includes an anaerobic filter bed filled with a filter medium to which anaerobic microorganisms adhere. The anaerobic filter bed tank 112 is a tank for anaerobic treatment (reduction) of organic pollutants contained in water after being treated by the contaminant removal tank 111. The biological filtration tank 113 includes a filling region 113a in which a filler made of a plurality of hollow filter media to which aerobic microorganisms adhere is fluently filled. The biological filtration tank 113 is a tank for aerobically treating (oxidizing) the organic pollutants contained in the water after being treated by the anaerobic filter bed tank 112 in the filling region 113a. The treated water tank 114 is a tank for retaining the water after being treated in the biological filtration tank 113 for a certain period of time. The disinfection tank 115 is a tank for disinfecting the water before it flows out from the outflow pipe 101e using a disinfectant.

Here, the biological filtration tank 113 is connected to the air supply port 101a and is connected to the air diffuser pipe 113b for supplying air for air diffusion from below the filling area 113a, and is connected to the air supply port 101b and below the filling area 113a. It is provided with a backwash pipe 113c for supplying backwash air from the air. At this time, the air diffuser pipe 113b is connected to the first discharge port 5a of the pump 1, and the backwash pipe 113c is connected to the second discharge port 5b of the pump 1.

The air diffuser 113b is used in the air diffuser mode during normal operation. At this time, the air discharged from the first discharge port 5a of the pump 1 is supplied from the air diffuser pipe 113b to the filling region 113a of the biological filtration tank 113. This air is used as air diffuser to supply oxygen required for aerobic treatment.

On the other hand, the backwash pipe 113c is used in the backwash mode which is temporarily executed during the night time when the inflow amount of the water to be treated from the inflow pipe 101d is small. At this time, the operation mode of the septic tank 101 is temporarily switched from the air diffuse mode to the backwash mode, and the air discharged from the second discharge port 5b of the pump 1 is discharged from the backwash pipe 113c to the filling region 113a of the biological filtration tank 113. Is supplied to. This air is used as backwash air for fluidizing the hollow carrier in the filling region 113a to separate sludge and suspended substances (SS) adhering to the hollow carrier. For this purpose, it is preferable that the air volume supplied from the backwash pipe 113c is set to exceed the air volume supplied from the air diffuser pipe 113b.

As described above, the septic tank 101 is a septic tank having both an air diffuser function and a backwash function.

For further details of the water treatment unit 110, for example, the sewage septic tank disclosed in Japanese Patent Application Laid-Open No. 2000-5779 is referred to.

As shown in FIG. 2, the cover 6 of the pump 1 is configured to cover the upper surface of the housing 2. The cover 6 covers the upper surface of the housing 2, and has an annular wall portion 6a extending along the outer circumference of the housing 2 and extending in the third direction Z, and the front end of the cover projects forward from the front surface of the housing 2. It is provided with a protruding portion 7. The protruding portion 7 has a function of preventing sucking water droplets together with air sucked from the suction ports (suction ports 2b and 2b described later) provided on the upper surface of the housing 2. The protrusion 7 is set so that both the length dimension in the second direction Y and the height dimension in the third direction Z are effective dimensions for achieving this function.

As shown in FIG. 3, the housing 2 houses an air compression unit 20 that sucks in and compresses air. Further, the housing 5 accommodates a flow path switching unit 30 capable of switching the flow path so that the air compressed by the air compression unit 20 is discharged from one of the two discharge ports 5a and 5b. ing. The flow path switching unit 30 is arranged below the air compression unit 20 in the third direction Z. The air discharge unit 40 is configured by the air compression unit 20 and the flow path switching unit 30.

As shown in FIGS. 3 and 4, the housing 2 includes an annular erection wall 3 erected from its upper surface. The upright wall 3 has a function of surrounding an element arranged in the upper part of the housing (concave accommodation space 3a) of the housing 2. According to the upright wall 3, the intrusion of water into the accommodation space 3a is suppressed. The elements referred to here include the filter 9 and the controller 10. The filter 9 is arranged on the front side of the accommodating space 3a, and the controller 10 is arranged on the rear side of the accommodating space 3a.

The cover 6 has a first position D1 (position indicated by a solid line) which is a horizontal position about the hinge portion (rotating shaft portion) 6b in the housing 2 and a second position D2 (a position shown by a solid line) which is a standing position which stands substantially vertically. It is rotatably attached to and from the position indicated by the alternate long and short dash line). Here, the first position D1 is a position that covers the upright wall 3 of the housing 2 from above, and the second position D2 is a position that releases the coating.

The cover 6 includes an engaging claw 6c that can be engaged with the engaging convex portion 2a provided on the front surface of the housing 2. The engaging claw 6c has flexibility. Therefore, when the cover 6 is set to the first position D1, the engaging claw 6c is engaged with the engaging convex portion 2a by bending over the engaging convex portion 2a and returning to the initial position while bending from the initial position. It is configured to be stopped.

In the state where the cover 6 is set to the first position D1, the filter 9 and the controller 10 both housed in the housing space 3a are covered in a sealed manner. On the other hand, when the cover 6 is set to the second position D2, both the filter 9 and the controller 10 are exposed. Therefore, when the cover 6 is set to the first position D1, water droplets wrap around from the side surface of the housing 2 and infiltrate into the accommodation space 3a to affect the filter 9 and the controller 10 by the erection wall 3. Can be prevented.

Two suction ports 2b and 2b communicating with the air compression unit 20 are provided on the upper portion of the housing 2 (in the accommodation space 3a). Further, the housing 2 is provided with two notches 3b and 3b on the front side of the erection wall 3. These two notches 3b and 3b are for facilitating the inhalation of outside air into the accommodation space 3a in a state where the cover 6 is set at the first position D1.

The filter 9 is interposed between the two notches 3b and 3b and the two suction ports 2b and 2b in the accommodation space 3a. The filter 9 has a function of preventing foreign matter and the like from being sucked together with the outside air through the two suction ports 2b and 2b.

The controller 10 is for controlling the pump 1. Although details will be described later, an operation panel 11 is provided on the upper surface of the controller 10.

As shown in FIG. 5, the seal member 8 is attached to a region of the inner region of the cover 6 which is partitioned by the wall portion 6a. In addition, in order to clarify the seal member 8, the seal member 8 is shaded in this drawing. The seal member 8 is made of an elastic thin plate-shaped rubber sheet. The seal member 8 includes an annular portion 8a extending substantially in an annular shape along the wall portion 6a, a first connecting portion 8c, and a second connecting portion 8d.

The annular portion 8a is provided with two gaps 8b and 8b formed by partially dividing the annular portion 8a. Each of the two gaps 8b and 8b is provided at a position corresponding to each of the two notches 3b and 3b of the erection wall 3. Therefore, the cross-sectional area of the air flow path sucked through the two notches 3b and 3b of the housing 2 can be increased by the cross-sectional integral corresponding to the length of the gap 8b in the third direction Z. As a result, the noise generated when inhaling air can be reduced.

The first connecting portion 8c is configured to extend in the first direction X and connect the portions of the annular portion 8a facing each other. The second connecting portion 8d is configured to extend in the second direction Y and connect the annular portion 8a and the first connecting portion 8c. By providing these connecting portions 8c and 8d, the shape retention of the seal member 8 can be maintained at a desired level even if the annular portions 8a are provided with the two gaps 8b and 8b. As a result, it is possible to prevent the seal member 8 from being less easily assembled to the cover 6.

As shown in FIG. 6, the sealing member 8 is configured to seal between the cover 6 and the upright wall 3 of the housing 2 when the cover 6 is in the first position D1. Specifically, the seal member 8 is configured such that the annular portion 8a abuts on the upper end 3c of the upright wall 3 of the housing 2. Further, the annular portion 8a is configured to be pressed against the upper end 3c of the erection wall 3 by the pressing piece 6d provided on the cover 6. According to this configuration, the space between the accommodation space 3a and the external space is sealed by the annular portion 8a.

If the cover 6 is not completely closed at a position in front of the first position D1, the water sealing property of the sealing member 8 is lowered. In this case, for example, there is a concern that water droplets may infiltrate through the route shown by the arrow in FIG. Therefore, the connecting surface connecting the side surface of the housing 2 and the outer peripheral surface of the erection wall 3 is configured as the inclined surface 4. The inclined surface 4 is an inclined surface that is inclined so that the height decreases from the outer peripheral surface of the erection wall 3 toward the side surface of the housing. In this case, it is preferable to keep the gap between the wall portion 6a of the cover 6 and the inclined surface 4 as small as possible.

As a result, it is possible to prevent water droplets from entering through the gap, and it is possible to allow the water droplets that try to stay in this gap to flow down along the inclined surface 4 and eliminate them. Further, by providing the inclined surface 4 inside the side surface of the housing 2, when the pump 1 is viewed from above, the wall portion 6a of the cover 6 and the side surface of the housing 2 are substantially flush with each other, and the appearance is good. ..

(Configuration and operation of controller 10)
As shown in FIG. 7, the operation panel 11 of the controller 10 is provided with an input unit 12 and a display unit 16. The input unit 12 is composed of three buttons 13, 14 and 15. When the button of the input unit 12 is pressed by the user's finger, the user's instruction is input to the input unit 12. The display unit 16 is composed of a liquid crystal display. The content instructed by each button of the input unit 12 is displayed on the display unit 16.

In addition to the display unit 16 described above, the controller 10 may be provided with output means for outputting audio or printing the contents instructed by each button of the input unit 12.

The button 13 has a first function of switching between the automatic backwash mode and the manual backwash mode, and a second function of changing the settings for the item selected by the button 14. Regarding the first function, when the automatic backwash mode is selected by the button 13, the backwash process is executed according to a preset program. Further, when the manual backwash mode is selected by the button 13, the backwash processing conditions can be set for the items to be selected and instructed by the button 14 thereafter.

The button 14 is a button for switching items. Each time the button 14 is pressed, the position of the blinking cursor 16a on the display unit 16 changes sequentially, and a desired item can be selected from a plurality of items (six in FIG. 7). For example, each time the button 14 is pressed, the items are in the order of the current time (hours), the current time (minutes), the program, the backwash time (hours), the number of backwashes (times / day), and the backwash time (minutes). The selection of is switched. In FIG. 7, the cursor 16a in the unselected state is shown in black, and the selected blinking cursor 16a, that is, the cursor 16a corresponding to the program is shown in white.

With the desired item selected by the button 14, the second function of the button 13 allows the setting to be changed for this selected item. For example, when the item "program" is selected by the button 14, the program number N corresponding to any one of the plurality of programs P is displayed on the display unit 16. Then, each time the button 13 is pressed thereafter, the program number N displayed on the display unit 16 changes sequentially.

FIG. 7 shows, as an example, a state in which the program number N “P1” is displayed on the display unit 16. When the button 14 is operated in this display state, the program number N of the "program" item is instructed to be selected by "P1".

The number of backwashes (times / day) and the backwash time (minutes) have already been set in each of the plurality of programs P. Therefore, once the program number is set, the number of backwashes (times / day) and the backwash time (minutes) are uniquely determined. Therefore, it is not necessary to select the items of the number of backwashes (times / day) and the backwash time (minutes) by operating the button 14, and then set the value of each item by operating the button 13.

On the other hand, in each of the plurality of programs P, the backwash time and the time interval until the next backwash are preset to common initial values. In the present embodiment, the initial value of the backwash start time for starting the backwash is set in advance at 2 o'clock, and the initial value of the time interval until the next backwash is set in advance to 60 minutes. Therefore, the user can use these initial values as they are, or can appropriately change these initial values according to the lifestyle and the like with the program number set.

The button 15 is a button for resetting the setting contents set by the two buttons 13 and 14. By pressing this button 15, all the contents already set are reset.

As shown in FIG. 8, the controller 10 of the pump 1 includes a control unit 17 including a CPU (processing unit) having a known configuration. The control unit 17 has a function of controlling the air discharge unit 40 in response to an instruction input to the input unit 12, and includes a storage unit 18 and a control signal output unit 19.

The storage unit 18 has a function of storing a plurality of programs P individually defined for each of the plurality of septic tanks 101 of different types for the program P, which is one of the above items. In this case, each program P is a combination of a plurality of operating parameters of the air discharge unit 40. Further, the storage unit 18 has a function of storing information selected and instructed by the two buttons 13 and 14. As a result, the program P selected and instructed by the user from the plurality of programs P is stored in the storage unit 18.

The control signal output unit 19 has a function of outputting a control signal to the air discharge unit 40 of the pump 1 according to the program P selected and instructed by the user and stored in the storage unit 18. At this time, the control signal output unit 19 is configured to determine the output timing of the control signal to the air discharge unit 40 by utilizing the timer function (time measuring function) provided in the control unit 17.

Therefore, when any one of the programs P stored in the storage unit 18 is instructed to be selected via the input unit 12 (two buttons 13, 14), the program P is included in the program P. A control signal is output to the air discharge unit 40 based on the plurality of operating parameters. Then, the air discharge unit 40 of the pump 1 operates according to the program P instructed to be selected.

Here, the program selection table will be described with reference to FIG. The user can set the program number of the item of "program" via the input unit 12 of the controller 10 while referring to this selection table.

In this selection table, "Manufacturer", "Model number", "Presence / absence of backwash function", "Backwash count [times / day]", "Backwash time [minutes]", "Backwash air volume [liters / minute]" ], "Number of dispersal stops [times / day]", "Dispersion stop time [minutes]", "Dispersion air volume [liters / minute]" for each of the items M1 to M9, program number N and information on each item. Correspondence relationship with is described.

Item M1 describes the manufacturer of the septic tank, item M2 describes the model number of the septic tank specified by the manufacturer, and item M3 describes whether or not the septic tank has a backwash function. Further, in each of the items M4 to M6, the backwashing operation conditions in the specifications of the septic tank are described. That is, item M4 describes the number of backwashes per day, item M5 describes the backwash time per time, and item M6 describes the amount of backwash air per minute. There is. Further, in each of the items M7 to M9, the air diffuser operation conditions in the specifications of the septic tank are described. That is, the item M7 describes the number of times of air dispersal stop per day, the item M8 describes the air dispersal stop time per time, and the item M9 describes the air dispersal air volume per minute. Has been done.

Regarding P1 to P4 of the program numbers N in FIG. 9, since the value of the item M7 is substantially the same as the value of the item M4, the description thereof is omitted. Similarly, since the value of item M8 is substantially the same as the value of item M5, the description thereof is omitted.

The user can set the program number N that matches the septic tank 101 to which the pump 1 is used while looking at the information described in each item. As a result, the program P corresponding to the program number N is instructed to be selected by the user.

When the septic tank 101 is, for example, a septic tank corresponding to the model number S-001 of the manufacturer S, the program number N is set to "P1" based on the selection table of FIG. Further, when the septic tank 101 is, for example, a septic tank corresponding to the model number T-002 of the manufacturer T or a septic tank corresponding to the model number U-001 of the manufacturer U, the program is based on the selection table of FIG. The number N is set to "P4".

Even if the "maker" and "model number" of the septic tank 101 are not described in this selection table, if there is a program number N that matches the information of items M3 to M9, the program number N is used as the septic tank 101. Can be applied to.

The above program P is a program in which a plurality of operation parameters C are combined. In this case, the operation parameter C and its number can be appropriately set, and for example, any one of the four combination patterns shown in FIG. 10 can be adopted.

In the first embodiment, the first pattern is adopted as a combination pattern of a plurality of operation parameters C. This first pattern is a pattern in which the program P includes two operation parameters C1 and C2. Both of the two operating parameters C1 and C2 are parameters related to the flow path switching unit 30, that is, parameters whose operating conditions can be set by controlling the flow path switching unit 30.

Specifically, one operation parameter C1 is the number of backwashes [times / day] per day, and the other operation parameter C2 is the backwash time [minutes] per backwash. In this case, the item M4 in FIG. 9 is set as the operation parameter C1, and the item M5 in FIG. 9 is set as the operation parameter C2.

For the program P adopting the first pattern, for example, when the program number N of "P1" is selected and instructed by the user, the number of backwashes is set to 3 [times / day] and the backwash time is 10 [minutes]. Is set to. Based on this program P, the flow path switching unit 30 is controlled by the controller 10 so that such a setting is realized. As a result, the start time of the first backwash is 2:00 (initial value), and the end time of the backwash is 2:10. Further, the start time of the second backwash is 3 o'clock, and the end time of the backwash is 3:10. Further, the start time of the third backwash is 4 o'clock, and the end time of the backwash is 4:10.

At the above start time, the control signal output unit 19 transfers the flow path switching unit 30 so that the air is discharged only from the second discharge port 5b of the pump 1 and the air is continuously discharged until the backwash time elapses. Outputs a control signal to. On the other hand, at a timing other than backwashing, the control signal output unit 19 outputs a control signal to the flow path switching unit 30 so that air is discharged only from the first discharge port 5a of the pump 1.

In the first embodiment, another item may be set in the operation parameter C in place of or in addition to the above items M4 and M5. As other items, for example, the amount of backwash air per unit time, the backwash start time to start backwash, the backwash end time to end backwash, the time interval until the next backwash, etc. are adopted, and these are adopted. Information can be added to the selection table of FIG. For example, when the time interval until the next backwash is used for the operation parameter C, the program is changed from the initial value of 60 [minutes] to 30 [minutes], 2 [hours], and the like. P can be used.

Further, it is preferable that the controller 10 has a configuration in which the program P stored in the storage unit 18 in advance can be appropriately rewritten to add or delete the number of programs P.

(Structure and operation of air compression unit 20)
As shown in FIG. 11, the case 21 of the air compression unit 20 houses a pair of solenoids 22 and 22 as driving means. In the gap 22a between the pair of solenoids 22 and 22, the oscillator 23 is arranged so as not to come into contact with the pair of solenoids 22 and 22. The vibrator 23 has permanent magnets (N pole and S pole) 23a and 23b having different polarities from each other.

Disc-shaped plate members 24 are attached to each of both ends of the vibrator 23. The plate member 24 is fixed to the case 21 via a disk-shaped diaphragm 24a. Therefore, the oscillator 23 is indirectly connected to the diaphragm 24a via the plate member 24. The diaphragm 24a is formed of an elastically deformable rubber material for performing an air suction operation and an air discharge operation, and is configured to elastically deform according to the reciprocating vibration of the plate member 24.

The pair of solenoids 22, 22 are attached to the vibrator 23 so that the vibrator 23 elastically deforms the diaphragm 24a and reciprocates in the first direction X due to an electromagnetic force generated when power is supplied from an AC power source (not shown). It functions to apply electromagnetic force.

A valve case body 21a is provided on the outer side of each plate member 24 of the case 21. The valve case body 21a includes a compression chamber 25, a suction chamber 26, and a discharge chamber 28. The suction chamber 26 is a space for sucking air outside the pump as suction air from a suction port (not shown). The compression chamber 25 is a space for compressing the intake air sucked from the suction chamber 26 through the suction valve 27. The discharge chamber 28 is a space for discharging the compressed air compressed in the compression chamber 25 via the discharge valve 29.

In the air compression unit 20 having the above configuration, when the vibrator 23 reciprocates in the first direction X due to a change in polarity when the pair of solenoids 22 and 22 are energized, each diaphragm 24a is displaced in the same manner as the stroke of the vibrator 23. It elastically deforms in the first direction X by the amount.

When the diaphragm 24a on the right side is elastically deformed to the left during a stroke in one direction (arrow X1) of the vibrator 23, the compression chamber 25 on the right side becomes a negative pressure. Due to this negative pressure, the discharge valve 29 on the right side is closed and the suction valve 27 on the right side is opened, so that air is sucked from the suction chamber 26 on the right side to the compression chamber 25 on the right side (suction operation).

Further, when the left diaphragm 24a is elastically deformed to the left during a stroke in one direction (arrow X1) of the vibrator 23, air is pressurized in the left compression chamber 25. Since the suction valve 27 on the left side is closed and the discharge valve 29 on the left side is opened by this pressurization, compressed air is discharged from the compression chamber 25 on the left side to the discharge chamber 28 on the left side (discharge operation). ..

On the other hand, as shown in FIG. 12, when the diaphragm 24a on the left side is elastically deformed to the right when the vibrator 23 is stroked in the other direction (arrow X2), the compression chamber 25 on the left side becomes negative pressure. Become. Due to this negative pressure, the left discharge valve 29 is closed and the left suction valve 27 is opened, so that air is sucked from the left suction chamber 26 into the left compression chamber 25 (suction operation).

Further, when the diaphragm 24a on the right side is elastically deformed to the right when the vibrator 23 is stroked in the other direction (arrow X2), air is pressurized in the compression chamber 25 on the right side. Since the suction valve 27 on the right side is closed and the discharge valve 29 on the right side is opened by this pressurization, compressed air is discharged from the compression chamber 25 on the right side to the discharge chamber 28 on the right side (discharge operation). ..

By alternately repeating the suction operation and the discharge operation as described above, compressed air having a predetermined pressure and flow rate is continuously discharged from the air compression unit 20 toward the flow path switching unit 30 in the housing 5. At this time, the air volume of the air discharged from the air compression unit 20 can be changed by changing the stroke amount of the vibrator 23 or the number of strokes per unit time by controlling the AC power supply.

(Configuration and operation of flow path switching unit 30)
As shown in FIG. 13, the housing 5 has an inflow chamber 5c in which compressed air flows in from the discharge chamber 28 of the air compression unit 20, and each of the compressed air flows from the inflow chamber 5c into two discharge ports 5a and 5b, respectively. It has two flow paths R1 and R2 for flowing. The first flow path R1 is a flow path extending from the inflow chamber 5c to the first discharge port 5a. According to the first flow path R1, the compressed air that has flowed into the inflow chamber 5c is discharged from the first discharge port 5a. On the other hand, the second flow path R2 is a flow path extending from the inflow chamber 5c to the second discharge port 5b. According to the second flow path R2, the compressed air that has flowed into the inflow chamber 5c is discharged from the second discharge port 5b.

The flow path switching unit 30 can form a communication state in which the inflow chamber 5c communicates with the first discharge port 5a through the first flow path R1 by the linear flow path switching operation, or the inflow chamber 5c becomes the second flow. A communication state in which the second discharge port 5b is connected can be formed through the path R2. In order to achieve this flow path switching operation, the flow path switching portion 30 is a switching unit fixed to the first valve seat 31 and the second valve seat 32, the rod 33, and the rod 33, respectively, which are attached to the housing 5. It includes a valve 34, a spring member 35, and a solenoid 36.

The first valve seat 31 is provided with a communication hole 31a for connecting the inflow chamber 5c to the first flow path R1. The second valve seat 32 is provided with a communication hole 32a for connecting the inflow chamber 5c to the second flow path R2. The communication hole 31a and the communication hole 32a are arranged on a virtual straight line extending in the first direction X.

The rod 33 is a long-axis member, and one end 33a is one end of the spring member 35 in a state of being inserted into both the communication hole 31a of the first valve seat 31 and the communication hole 32a of the second valve seat 32. The other end 33b is connected to one end of the movable iron core 38 of the solenoid 36.

The switching valve 34 functions to perform a flow path switching operation for compressed air by linear motion so that the inflow chamber 5c communicates with any one of the two flow paths R1 and R2. In order to achieve this function, the switching valve 34 is arranged between the first valve seat 31 and the second valve seat 32 in a state of being fixed to the rod 33. The switching valve 34 is a valve body that closes and seals either the communication hole 31a of the first valve seat 31 or the communication hole 32a of the second valve seat 32 when the rod 33 reciprocates in the first direction X. It is configured as. Therefore, the compressed gas that has flowed into the inflow chamber 5c from the air compression unit 20 flows into any one of the two flow paths R1 and R2 by the flow path switching operation of the switching valve 34.

The spring member 35 and the solenoid 36 have a function as an actuator for reciprocating the rod 33 integrally with the switching valve 34.

The spring member 35 is a so-called "tension coil spring", and the other end of the spring member 35 on the opposite side of the rod 33 is fixed to the fixing pin 5d of the housing 5. Therefore, the rod 33 is always elastically urged by the spring member 35 in the direction approaching the fixing pin 5d.

The solenoid 36 is a solenoid actuator that operates when power is supplied from an AC power source (not shown) to cause a flow path switching operation of the switching valve 34 by electromagnetic force, and converts electrical energy into linear mechanical motion. It is configured as a direct acting solenoid (electromagnet). The solenoid 36 includes a coil around which a copper wire is wound (not shown), a fixed iron core 37 fixed to the housing 5, and a movable iron core 38 capable of linearly operating in the first direction X with respect to the fixed iron core 37. And have.

The fixed iron core 37 has a resin mold structure in which a laminate of a plurality of metal plates made of a magnetic material such as iron is molded with a resin. The fixed iron core 37 includes a space 37a extending inside the fixed iron core 37 in the first direction X. The movable iron core 38 is made of a magnetic material such as iron like the fixed iron core 37. The movable iron core 38 is inserted into the space 37a of the fixed iron core 37.

In the solenoid 36 having the above configuration, a magnetic field is generated in the center of the coil by the power supply from the AC power supply. At this time, the solenoid 36 is operated by the magnetized fixed iron core 37 attracting the movable iron core 38. The movable iron core 38 is sucked in the direction of being inserted into the space 37a of the fixed iron core 37 when the solenoid 36 is operated.

Therefore, when the solenoid 36 is operated, the movable core 38 overcomes the elastic urging force of the spring member 35 and is attracted to the fixed core 37. As a result, the rod 33 moves in the direction closer to the solenoid 36 in the first direction X, and the communication hole 32a of the second valve seat 32 is sealed by the switching valve 34 (see FIG. 14). As a result, the compressed air that has flowed into the inflow chamber 5c is prevented from flowing into the second flow path R2, and is discharged from the first discharge port 5a only through the first flow path R1.

On the other hand, the solenoid 36 is put into a non-operating state by temporarily stopping the power supply from the AC power source. Therefore, when the solenoid 36 is not activated, the movable iron core 38 is pulled in the direction of being inserted from the space 37a of the fixed iron core 37 according only to the elastic urging force of the spring member 35. As a result, the rod 33 moves in the direction away from the solenoid 36 in the first direction X, and the communication hole 31a of the first valve seat 31 is sealed by the switching valve 34 (see FIG. 15). As a result, the compressed air that has flowed into the inflow chamber 5c is prevented from flowing into the first flow path R1, and is discharged from the second discharge port 5b only through the second flow path R2.

Next, the action and effect of the above-mentioned first embodiment will be described.

When the septic tank 101 to be used is determined when the pump 1 is newly installed or replaced, the user decides. While looking at the program selection table of FIG. 9, the program number N corresponding to the septic tank 101 is set. At this time, the user only selects and instructs one of the plurality of programs P through the input unit 12, and sets the two operating parameters C1 and C2 included in the program P in the septic tank 101. It is possible to set the operating conditions suitable for. That is, the setting operations of the two operating parameters C1 and C2 of the pump 1 can be performed from the input unit 12 at once. Then, the air discharge unit 40 is controlled according to the operating conditions set for the two operating parameters C1 and C2.

According to such a setting operation, the time required for this setting operation can be shortened as compared with the case where the setting operation is individually performed for each of the two operation parameters C1 and C2. Therefore, the time and effort for setting can be reduced. As a result, the user can easily perform the operation of setting the operating conditions of the pump 1.

Further, by storing the program P corresponding to each of the plurality of septic tanks of different types in the storage unit 18, one pump 1 can be applied to any of the plurality of septic tanks, and the versatility of the pump 1 Can be enhanced. Of course, this pump 1 can be applied to another septic tank of the same type.

Further, for the septic tank 101 having both the air diffuser function and the backwash function, as a plurality of operation parameters included in each program P, the number of backwashes per day and the backwash time per backwash are used. , Allows air pump control.

In the pump 1 described above, the cover 6 has a function of preventing water droplets from entering the area of the housing 2 surrounded by the upright wall 3. When the cover 6 is in the first position D1, the input unit 12 and the control unit 17 surrounded by the erection wall 3 are covered by the cover 6 and sealed by the sealing member 8. Therefore, it is possible to improve the preventability of the input unit 12 and the control unit 17 of the pump 1.
Further, when the cover 6 is in the second position D2, the input unit 12 can be operated. According to the rotary cover 6, the input unit 12 can be easily set to the operable state. Therefore, the operability of the input unit 12 of the pump is improved.

(Embodiment 2)
The pump 1a of the second embodiment is different from the pump 1 of the first embodiment in that the second pattern in FIG. 10 is adopted as a combination pattern of a plurality of operation parameters C. This second pattern is a pattern in which the program P includes three operation parameters C1, C2, and C3.
Other configurations are the same as those in the first embodiment.

The two operating parameters C1 and C2 are both parameters related to the flow path switching unit 30, and only the operating parameter C3 is a parameter related to the air compression unit 20. That is, the plurality of operating parameters of the pump 1a include parameters related to the air compression unit 20 and parameters related to the flow path switching unit 30.

Specifically, the operation parameter C1 is the number of backwashes [times / day] per day, the operation parameter C2 is the backwash time [minutes] per backwash, and the operation parameter C3 is the backwash. Backwash air volume [liter / minute] per unit time of air for use. In this case, the item M4 in FIG. 9 is set as the operation parameter C1, the item M5 in FIG. 9 is set as the operation parameter C2, and the item M6 in FIG. 9 is set as the operation parameter C3.

For the program P adopting the second pattern, for example, when the program number N of "P2" is selected and instructed by the user, the number of backwashes is set to 1 [times / day] and the backwash time is 10 [minutes]. And the backwash air volume is set to 100 [liters / minute]. Based on this program P, the air compression unit 20 and the flow path switching unit 30 are respectively controlled by the controller 10 so that such a setting is realized. As a result, the backwash start time is only 2 o'clock (initial value), the backwash end time is 2:10, and the backwash air volume is 100 [liters / minute].

At the above start time, the control signal output unit 19 is the flow path switching unit 30 so that the air is discharged only from the second discharge port 5b of the pump 1a and the air is continuously discharged until the backwash time elapses. The control signal output unit 19 outputs a control signal to the air compression unit 20 so that the backwash air volume at that time becomes the set air volume. On the other hand, at a timing other than backwashing, the control signal output unit 19 outputs a control signal to the flow path switching unit 30 so that air is discharged only from the first discharge port 5a of the pump 1a.

According to the second embodiment, for the septic tank 101 having both the air diffuser function and the backwash function, as a plurality of operation parameters included in each program P, the number of backwashes per day and the backwash per one time. It is possible to control the air pump using the backwash time and the backwash air volume per unit time of the backwash air.
Other than that, it has the same effect as that of the first embodiment.

Based on the above embodiments 1 and 2, the air pump application system S1 as shown in FIG. 16 can be constructed.

The air pump application system S1 is composed of three septic tanks 101, 102, 103, and the pump 1 of the first embodiment or the pump 1a of the second embodiment. In this case, the septic tanks 102 and 103 are different from the septic tank 101 in that the capacity and shape of the tank body are different, but they are the same in that they are provided with the same water treatment unit 110.

Here, as described above, the two operating parameters C1 and C2 included in the program P of the pump 1 and the three operating parameters C1, C2 and C3 included in the program P of the pump 1a are all backwashed in the septic tank. It is a parameter related to driving. Therefore, the pumps 1, 1a are suitable for septic tanks 101, 102, 103 having both an air diffuser function and a backwash function. Therefore, the pumps 1, 1a can be applied to any of these septic tanks 101, 102, 103.
For convenience of explanation, the number of septic tanks to which the pump 1 or the pump 1a is connected is set to 3, but the number of septic tanks is not limited to this.

(Embodiment 3)
The pump 1b of the third embodiment is different from the pump 1 of the first embodiment in that it is used for the septic tank 201 shown in FIG. 17, and the pump of the first embodiment has a combination pattern of a plurality of operation parameters C. It is different from 1.
Other configurations are the same as those in the first embodiment.

As shown in FIG. 17, the first discharge port 5a of the pump 1 is connected to the air supply port 201a, which is the air supply destination of the septic tank 201, through a connection pipe (not shown). The septic tank 201 has an air diffuser function like the septic tank 101, but unlike the septic tank 101, it does not have a backwash function.

The water treatment unit 210 housed in the tank body 201c of the septic tank 201 has a function of treating water from flowing in from the inflow pipe 201d to flowing out from the outflow pipe 201e, and has a function of treating water from the inflow pipe 201d to the outflow pipe 201e. , An aerobic treatment tank 213, a treatment water tank 214, and a disinfection tank 215.

The pretreatment tank 211 is a tank for separating contaminants from the water to be treated by utilizing the same inflow baffle (not shown) and sedimentation separation as the contaminant removal tank 111 described above. The anaerobic treatment tank 212 is a tank for anaerobic treatment (reduction) of organic pollutants contained in water after being treated in the pretreatment tank 211, similarly to the anaerobic filter bed tank 112 described above. The aerobic treatment tank 213 includes a filling region (aerobic filter bed) 213a filled with a filler to which aerobic microorganisms adhere. Similar to the above-mentioned biological filtration tank 113, the aerobic treatment tank 213 is a tank for aerobically treating (oxidizing) the organic pollutants contained in the water after being treated in the anaerobic treatment tank 212 in the filling region 213a. Is. The treatment water tank 214 is a tank for retaining the water after being treated in the aerobic treatment tank 213 for a certain period of time, similarly to the treatment water tank 114 described above. The disinfection tank 215 is a tank for disinfecting the water before flowing out from the outflow pipe 201e using a disinfectant, like the disinfection tank 115 described above.

Here, the aerobic treatment tank 213 is provided only with an air diffuser pipe 213b for supplying air for air diffusion as a means connected to the air supply port 201a and capable of supplying air from below the filling region 213a. At this time, the air diffuser pipe 213b is connected to the first discharge port 5a of the pump 1, and the second discharge port 5b of the pump 1 is not connected.

The air diffuser 213b is used in the air diffuser mode during normal operation. At this time, the air discharged from the first discharge port 5a of the pump 1 is supplied from the air diffuser pipe 213b to the filling region 213a of the aerobic treatment tank 213. This air is used as air diffuser to supply oxygen required for aerobic treatment. On the other hand, air is not discharged from the second discharge port 5b of the pump 1.

As described above, the septic tank 201 is a septic tank having an air diffuser function and not a backwash function.

For further details of the water treatment unit 210, for example, the water treatment apparatus disclosed in Japanese Patent Application Laid-Open No. 2016-131940 is referred to.

In the third embodiment, the third pattern in FIG. 10 is adopted as the combination pattern of the plurality of operation parameters C. This third pattern is a pattern in which the program P includes two operation parameters C4 and C5.

The two operating parameters C4 and C5 are both parameters related to the flow path switching unit 30. Specifically, the operation parameter C4 is the number of air dispersal stops [times / day] per day, and the operation parameter C5 is the air dispersal stop time [minutes] per air dispersal stop. That is, the item M7 in FIG. 9 is set as the operation parameter C4, and the item M8 in FIG. 9 is set as the operation parameter C5.

For the program P adopting the second pattern, for example, when the program number N of "P6" is instructed to be selected by the user, the number of times to stop the air dispersal is set to 1 [times / day], and the time to stop the air dispersal is 10 [. Minutes] is set. Based on this program P, the flow path switching unit 30 is controlled by the controller 10 so that such a setting is realized. As a result, the air diffusion stop time is only 2 o'clock (initial value), and the air dispersal restart time is 2:10.

At the above stop time, the control signal output unit is such that the discharge of air from the first discharge port 5a of the pump 1b is stopped by switching the flow path and the stopped state is continued until the air diffusion stop time elapses. 19 outputs a control signal to the flow path switching unit 30.

By stopping the operation of the air compression unit 20, the set number of air dissipating stops and the air dissipating stop time may be realized. In this case, the two operating parameters C4 and C5 are both parameters related to the air compression unit 20. In this case, at the above stop time, the control signal output unit 19 sends the air compression unit 20 to the air compression unit 20 so that the operation of the air compression unit 20 is stopped and the operation stop state is continued until the air diffusion stop time elapses. Output the control signal.

According to the third embodiment, for the septic tank 201 having the air diffuser function but not the backwash function, as a plurality of operation parameters included in each program P, the number of air diffuser stops per day and the number of times the air diffuser is stopped per day. Air pump control using the air diffuser stop time per air diffuser stop time becomes possible. In this case, the intermittent operation of temporarily stopping the air diffuser discharged from the pump 1 helps to clear the clogging of the air diffuser pipe 213b.
Other than that, it has the same effect as that of the first embodiment.

In the third embodiment, another item may be set in the operation parameter C in place of or in addition to the above items M7 and M8. For example, the amount of air diffused per unit time [liter / minute], which is item M9, the air diffused start time to start air diffused, the air diffused end time to end air diffused, the air diffused time, the number of air diffused, and the next diffused The time interval until the time is adopted as the operation parameter C, and this information can be added to the selection table of FIG. 9 and described.

Based on the third embodiment, the air pump application system S2 as shown in FIG. 18 can be constructed.

The air pump application system S2 is composed of three septic tanks 201, 202, 203 and the pump 1b of the third embodiment. In this case, the septic tanks 202 and 203 are different from the septic tank 201 in that the capacity and shape of the tank body are different, but they are the same in that they are provided with the same water treatment unit 210.

Here, as described above, the two operating parameters C4 and C5 included in the program P of the pump 1b are all parameters related to the aeration operation of the septic tank. Therefore, the pump 1b is a pump suitable for septic tanks 201, 202, 203 having an air diffuser function and not a backwash function. Therefore, this pump 1b can be applied to any of these septic tanks 201, 202, 203.
For convenience of explanation, the number of septic tanks to which the pump 1b is connected is set to 3, but the number of septic tanks is not limited to this.

(Embodiment 4)
The pump 1c of the fourth embodiment is different from the pump 1 of the first embodiment in that the fourth pattern in FIG. 10 is adopted as a combination pattern of a plurality of operation parameters C. This fourth pattern is a pattern in which the program P includes five operating parameters C1, C2, C3, C4, and C5. That is, in the fourth embodiment, the operating parameters C4 and C5 of the second embodiment are added to the operating parameters C1, C2 and C3 of the second embodiment.
Other configurations are the same as those in the first embodiment.

According to the fourth embodiment, the connection target of the pump 1c can be a septic tank having both an air diffuser function and a backwash function as in the septic tank 101 in FIG. 1, or as in the septic tank 201 in FIG. It is also possible to use a septic tank that has an air diffuser function and does not have a backwash function.
Other than that, it has the same effect as that of the first embodiment.

Based on the above-described fourth embodiment, the air pump application system S3 as shown in FIG. 19 can be constructed.

The air pump application system S3 is composed of six septic tanks 101, 102, 103, 201, 202, 203 and the pump 1c of the fourth embodiment.

Here, as described above, some of the five operating parameters C1, C2, C3, C4, and C5 included in the program P of the pump 1c are parameters related to the backwash operation, and the rest are parameters related to the diffuse operation. Is. Therefore, the pump 1c is suitable for septic tanks 101, 102, 103 having both a diffuser function and a backwash function, and septic tanks 201, 202, 203 having an air diffuser function and not having a backwash function. It is a pump. Therefore, this pump 1c can be applied to any of these septic tanks 101, 102, 103, 201, 202, 203.
For convenience of explanation, the number of septic tanks to which the pump 1c is connected is set to 6, but the number of septic tanks is not limited to this.

The present invention is not limited to the above-mentioned typical embodiments, and various applications and modifications can be considered as long as the object of the present invention is not deviated. For example, the following embodiments to which the above embodiments are applied can also be implemented.

In the above embodiment, the case where the number of the operation parameters C is 2, 3, or 5 is illustrated, but the number of the operation parameters C may be a plurality, and the number is not limited.

In the above embodiment, the case where the number of discharge ports of the pump is two is illustrated, but the number of discharge ports is not limited to two, and a pump having one or three or more discharge ports is used. It can also be adopted. For example, in the case of a pump provided with three discharge ports, the flow path of the compressed air is switched by the flow path switching unit, and the compressed air is switched from any one of the first discharge port, the second discharge port, and the third discharge port. Is adopted. In this case, the first discharge port is used as a discharge port for air diffuser, the second discharge port is used as a discharge port for backwash air supplied to the first region of the septic tank, and the third discharge port is used as the septic tank. It can be used as a discharge port for backwash air supplied to the second region (a region different from the first region).

In the above embodiment, the case where the solenoid is used as the actuator for driving each of the air compression unit 20 and the flow path switching unit 30 of the pump has been illustrated, but instead, an actuator such as a motor or a power cylinder is used. You can also.

In the above embodiment, the case where the air discharge unit 40 of the pump includes both the air compression unit 20 and the flow path switching unit 30 has been illustrated, but the flow path switching unit 30 has only the function corresponding to the air compression unit 20. It is also possible to adopt a pump in which the function corresponding to is omitted. In this case, the storage unit 18 stores a plurality of programs individually defined for each of the plurality of septic tanks of different types for a program in which a plurality of operation parameters related to the air compression unit 20 are combined. It is configured as follows.

In the above embodiment, the case where the rotary cover 6 is attached to the housing 2 of the pump has been illustrated, but instead of this, a cover that is fastened and fixed to the housing 2 by a sliding cover, a screw, or the like is used. Can also be adopted,

Further, in view of the above-described embodiments and modifications, the following modes can be adopted for the purpose of achieving both operability and waterproofness of the pump installed outdoors.

(Aspect 1)
That is,
"It is an air pump for septic tanks to supply air to septic tanks.
The air discharge part that discharges air and
Input section where user's instructions are input and
A control unit that controls the air discharge unit in response to the instruction input to the input unit, and a control unit that controls the air discharge unit.
A housing that accommodates the air discharge section and has an annular standing wall that surrounds the input section and the control section, both of which are arranged in the upper part of the housing.
A cover rotatably attached to the housing between a first position that covers the upright wall and a second position that releases the coating, centered on a hinge portion.
When the cover is in the first position, a sealing member that seals between the cover and the upright wall of the housing, and
Air pump for septic tanks. "
Aspect 2 is conceivable.

According to this aspect 1, the operability of the pump can be improved and the waterproofness of the pump can be improved.

(Aspect 2)
Also, in relation to the above aspect 1,
"The septic tank air pump according to the first aspect, wherein the cover has a protruding portion whose front end of the cover protrudes forward from the front surface of the housing."
Aspect 2 is conceivable.

According to the second aspect, by providing the projecting portion on the cover, it is possible to enhance the function of preventing water droplets from entering the area of the housing surrounded by the upright wall.

1,1a, 1b, 1c Septic tank air pump (pump)
2, 5 Housing 3 Standing wall 5a 1st discharge port (discharge port)
5b 2nd discharge port (discharge port)
6 Cover 6b Hinging part 8 Sealing member 12 Input part 17 Control part 18 Storage part 19 Control signal output part 20 Air compression part 30 Flow path switching part 40 Air discharge part 101, 102, 103, 201, 202, 203 Septic tank 113a, 213a Filling area 113b, 213b Air diffuser 113c Backwash pipe C, C1, C2, C3, C4, C5 Operation parameters D1 1st position D2 2nd position P program S1, S2, S3 Air pump application system

Claims (3)

An air pump for septic tanks to supply air to septic tanks.
An air discharge unit having a first discharge port and a second discharge port,
A controller that controls the air discharge unit so as to discharge air from either the first discharge port or the second discharge port based on a plurality of programs in which a plurality of operation parameters are combined.
The housing that houses the air discharge part and
A cover for an upper coating that covers only the upper part of the housing of the above housing is provided.
The controller, the concave accommodation space, the suction port opening in the accommodation space, and the air arranged in a plane-like position with the controller and before being sucked from the suction port pass through the upper part of the housing. A filter, an erection wall that forms the accommodation space and is erected so as to surround both the filter and the controller, and a seal member that seals between the erection wall and the cover are provided. Has been
The controller and the filter are covered by the cover ,
An air pump for a septic tank in which the sealing member is pressed against the upper end of the standing wall by the cover. The controller is a plurality of programs individually defined for each of a plurality of septic tanks of different types for a program consisting of a combination of a plurality of operation parameters including a backwash start time, a backwash count, and a backwash time. It has a storage unit for storing the above and a control signal output unit for outputting a control signal to the air discharge unit based on each of the plurality of programs.
On the upper surface of the controller, an operation panel is provided in which an input unit composed of a plurality of buttons and a display unit composed of one liquid crystal display are arranged.
The display unit displays the program number of any one of the programs selected from the plurality of programs when the item of the program is selected by the operation of the plurality of buttons, and the program number is displayed by the operation of the plurality of buttons. The septic tank air pump according to claim 1, wherein when any one item of the plurality of operation parameters is selected by the cursor, the information of the item is displayed instead of the program number. With multiple septic tanks of different types
An air pump application system including an air pump that can be connected to the septic tank to supply air to each of the plurality of septic tanks and is connected to any one of the plurality of septic tanks to supply air. There,
The air pump is an air pump application system comprising the septic tank air pump according to claim 1 or 2.

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