JP7611689B2 - Sanitary Cleaning Equipment - Google Patents

Description

The present invention relates to a sanitary washing device.

A conventional sanitary washing device of this type includes a nozzle having a water discharge part at its tip, a nozzle motor for moving the nozzle back and forth, a nozzle cleaner (nozzle cleaning chamber) that is fixed to a base and that houses the tip part (water discharge part) of the nozzle when the nozzle is housed in the casing and has the water discharge part inside, and a seating detection sensor that detects when a user sits on the toilet seat (see, for example, Patent Document 1). In this device, when the seating sensor detects a user sitting on the toilet seat and the user operates the cleaning switch, the device performs a water discharge port cleaning in which water is sprayed from the nozzle discharge part housed in the casing, and then advances the nozzle to the cleaning position, and performs a body cleaning in which water is sprayed from the water discharge part of the nozzle cleaning chamber when the nozzle advances to clean the outer peripheral surface of the nozzle. When the nozzle advances to the cleaning position, water is sprayed from the nozzle discharge part to start washing the private parts. When the user operates the stop switch, the nozzle is retracted into the casing, and water is sprayed from the nozzle discharge part of the nozzle cleaning chamber when the nozzle is retracted, cleaning the body. When the nozzle is housed in the casing, water is sprayed from the nozzle discharge part housed in the casing to clean the water outlet.

JP 2015-68087 A

The sanitary washing device described above can wash the outer peripheral surface of the nozzle (body washing) by spraying water from the water outlet of the nozzle cleaner when the nozzle moves back and forth before and after private parts washing. On the other hand, it is desirable to move the nozzle back and forth as fast as possible to reduce the waiting time involved in private parts washing, but if the nozzle moves back and forth too quickly, it may not be possible to sufficiently remove dirt from the nozzle because the nozzle will quickly pass the point where water is sprayed from the nozzle cleaner.

The main objective of the present invention is to provide a sanitary cleaning device that can effectively clean the outer peripheral surface of the nozzle.

The sanitary washing device of the present invention employs the following means to achieve the above-mentioned main objective.

The sanitary washing device of the present invention comprises:
A nozzle for washing a local part of a human body by spraying washing water thereon;
a nozzle driving device that moves the nozzle forward and backward;
a nozzle cleaner having a water discharger with a fixed water discharge location and configured to discharge cleaning water from the water discharger to clean the nozzle;
A seating sensor that detects whether a person is sitting on the toilet seat;
a control device which performs a first nozzle cleaning control for controlling the nozzle drive device so that the nozzle moves back and forth in a first movement pattern while cleaning water is discharged from the nozzle cleaner when cleaning of the nozzle is performed in a state where seating is detected by the seating sensor, and which performs a second nozzle cleaning control for controlling the nozzle drive device so that the nozzle moves back and forth in a movement pattern that includes at least a part of a second movement pattern that takes longer to move than the first movement pattern while cleaning water is discharged from the nozzle cleaner when cleaning of the nozzle is performed in a state where seating is not detected by the seating sensor;
The gist of the invention is to provide the following:

In the sanitary washing device of the present invention, when the nozzle is washed while the seating sensor detects seating, a first nozzle washing control is performed to control the nozzle drive device to move the nozzle forward and backward in a first movement pattern while discharging washing water from a nozzle cleaner with a fixed water discharge point. By moving the nozzle forward and backward at a relatively fast speed as the first movement pattern, it is possible to wash the nozzle while reducing the waiting time associated with local washing. On the other hand, when the nozzle is washed while the seating sensor does not detect seating, a second nozzle washing control is performed to control the nozzle drive device to move the nozzle forward and backward in a movement pattern that includes at least a part of the second movement pattern while discharging washing water from the nozzle cleaner. Since the second movement pattern requires more time to move than the first movement pattern, the amount of washing water discharged from the nozzle cleaner to the nozzle can be increased, making it easier to remove dirt from the nozzle.

In the sanitary washing device of the present invention, the second movement pattern may be a pattern having a stop period during which the movement of the nozzle is temporarily stopped, and the first movement pattern may be a pattern having no stop period. In this way, dirt on the nozzle can be easily removed by simple control. In addition, excessive load on the motor that drives the nozzle can be prevented.

In addition, in the sanitary washing device of the present invention, the second movement pattern may be a pattern in which the nozzle movement speed is slower than that of the first movement pattern. In this way, the nozzle passes the water discharge point of the nozzle cleaner slowly, making it easier to remove dirt from the nozzle.

Furthermore, in the sanitary washing device of the present invention, the second nozzle washing control is executed when a predetermined execution condition is met in a state where no seating is detected by the seating sensor, and the predetermined execution condition may be met when a predetermined operation switch other than the operation switch that instructs the private parts washing is operated, when a predetermined time has elapsed after the private parts washing is performed, or when a predetermined timing is reached.

1 is an external view of a toilet seat apparatus including a sanitary washing device of the present embodiment. FIG. 1 is a schematic diagram of a sanitary washing device. FIG. 2 is an external view of a nozzle unit. 13 is a flowchart illustrating an example of a nozzle cleaning process. 10A to 10C are explanatory diagrams showing the state of change over time of the nozzle position and the switching valve position during non-seated nozzle cleaning in this embodiment. 10A and 10B are explanatory diagrams showing changes over time in the nozzle position and the switching valve position in a comparative example. 13A and 13B are explanatory diagrams showing changes over time in the nozzle position and the switching valve position in another embodiment. 13A and 13B are explanatory diagrams showing changes over time in the nozzle position and the switching valve position in another embodiment. 13A and 13B are explanatory diagrams showing changes over time in the nozzle position and the switching valve position in another embodiment. 13A and 13B are explanatory diagrams showing changes over time in the nozzle position and the switching valve position in another embodiment.

The embodiment of the present invention will be described with reference to the drawings.

Fig. 1 is an external view of a toilet seat device including a sanitary washing device of this embodiment, Fig. 2 is a schematic diagram of the sanitary washing device, and Fig. 3 is an external view of a nozzle unit. The toilet seat device 10 of this embodiment is attached to a Western-style toilet 1, and as shown in Fig. 1, comprises a toilet seat device main body 12, a toilet seat 14 supported on the toilet seat device main body 12 so as to be openable and closable, a toilet lid 16 supported on the toilet seat device main body 12 so as to be openable and closable, an operation panel 18, and a seating sensor 19.

As shown in FIG. 2, the toilet seat device main body 12 is equipped with a sanitary washing device 20 including a water passage 21 connected to a water supply pipe (tap piping), a water stop valve 22, a pressure reducing valve 23 for reducing the water supply pressure, a heat exchange unit 24, a pulsating pump 25 for adjusting the washing strength, a vacuum breaker 26, a nozzle unit 30, and a control device 50, all of which are housed in a plastic housing. The heat exchange unit 24 has a water tank, a heater 24a, a switch (FET), and a temperature sensor (thermistor), and heats the water in the water tank to make it hot by driving the switch to control the flow of electricity to the heater 24a.

As shown in Figures 2 and 3, the nozzle unit 30 includes a nozzle case 31, a buttocks washing nozzle 32 and a bidet washing nozzle 33 as private parts washing nozzles that spray washing water onto private parts of the human body to wash those parts, a buttocks washing nozzle drive device 34 that drives the buttocks washing nozzle 32, a bidet washing nozzle drive device 35 that drives the bidet washing nozzle 33, a buttocks nozzle washer 41, a bidet nozzle washer 45, and a switching valve 36.

The posterior washing nozzle 32 is a cylindrical body supported on the nozzle case 31 so that it can move axially back and forth, and has a water flow path extending axially inside and an ejection hole 32o that communicates with the water flow path and opens on the outer circumferential surface. The posterior washing nozzle drive device 34, not shown, has a motor, a pinion gear rotated and driven by the motor, and a rack (flexible rack) that meshes with the pinion gear and has one end connected to the posterior washing nozzle 32. The posterior washing nozzle drive device 34 can advance the posterior washing nozzle 32 to a washing position protruding from the nozzle case 31 by rotating the motor in one direction to push out the rack. On the other hand, the posterior washing nozzle 32 can be retreated to a storage position stored in the nozzle case 31 by rotating the motor in the other direction (reverse direction) to retract the rack.

The bidet cleaning nozzle 33 is installed side by side with the posterior cleaning nozzle 32, and like the posterior cleaning nozzle 32, is a cylindrical body supported so as to be freely movable forward and backward in the axial direction relative to the nozzle case 31, and has a water flow path extending axially inside and a jet hole (not shown) that communicates with the water flow path and opens on the outer circumferential surface. Although not shown, like the posterior cleaning nozzle driving device 34, the bidet cleaning nozzle driving device 35 has a motor, a pinion gear rotated and driven by the motor, and a rack (flexible rack) that meshes with the pinion gear and has one end connected to the bidet cleaning nozzle 33. The bidet cleaning nozzle driving device 35 can advance the bidet cleaning nozzle 33 to a cleaning position protruding from the nozzle case 31 by rotating the motor in one direction to push out the rack. On the other hand, the bidet cleaning nozzle 33 can be retreated to a storage position stored in the nozzle case 31 by rotating the motor in the other direction (reverse direction) to retract the rack.

As shown in FIG. 3, the posterior nozzle washer 41 is installed on the posterior washing nozzle 32 side on the front side of the nozzle case 31, and has a water supply port 42 and a water discharge hole 43 that communicates with the water supply port 42 via a water passage. The water discharge hole 43 opens toward the front in the axial direction of the posterior washing nozzle 32, and by supplying washing water to the water supply port 42, the washing water discharged from the water discharge hole 43 can be used to wash the outer peripheral surface of the posterior washing nozzle 32.

As shown in FIG. 3, the bidet nozzle cleaner 45 is installed on the front side of the nozzle case 31 on the side of the bidet nozzle 33, and has a water supply port 46 and a water discharge hole 47 that communicates with the water supply port 46 via a water passage. The water discharge hole 47 opens toward the front in the axial direction of the bidet nozzle 33, and by supplying cleaning water to the water supply port 46, the cleaning water discharged from the water discharge hole 47 can be used to clean the outer peripheral surface of the bidet nozzle 33.

Although not shown, the switching valve 36 is configured as a rotary valve equipped with a fixed valve disk, a movable valve disk, and a motor that rotates the movable valve disk relative to the fixed valve disk. A passage for cleaning water is formed in the fixed valve disk and the movable valve disk, and the switching valve 36 rotates the movable valve disk relative to the fixed valve disk using the motor to selectively switch the supply destination of the cleaning water discharged from the pulsating pump 25 to the posterior cleaning nozzle 32, the bidet cleaning nozzle 33, the posterior nozzle washer 41, or the bidet nozzle washer 45, and adjusts the amount of cleaning water supplied to the posterior cleaning nozzle 32 and the bidet cleaning nozzle 33.

As shown in FIG. 2, the operation panel 18 is provided with a rear wash switch 18a for instructing the start of a rear wash, a bidet wash switch 18b for instructing the start of a bidet wash, a stop switch 18c for instructing the stop of the private parts wash (rear wash, bidet wash), a wash strength setting switch for setting the wash strength, a water temperature setting switch for setting the temperature of the wash water, and a nozzle wash switch 18d for instructing the washing of the private parts wash nozzles (rear wash nozzle 32, bidet wash nozzle 33). The rear wash switch 18a and the bidet wash switch 18b are also referred to as private parts wash switches.

The control device 50 is configured as a microprocessor with a CPU 52 at its core, and as shown in FIG. 2, in addition to the CPU 52, it is equipped with a ROM 54, a RAM 56, a timer 58, and input/output ports (not shown). Operation signals from the operation panel 18 and detection signals from the seating sensor 19 that detects when the user sits on the toilet seat 12 are input to the control device 50 via the input port. The control device 50 outputs drive signals to the stop valve 22, control signals to the heat exchange unit 24 (heater switch), drive signals to the pulsating pump 25, drive signals to the rear washing nozzle drive device 34, drive signals to the bidet washing nozzle drive device 35, drive signals to the switching valve 36, and the like via the output port.

Next, the operation of the sanitary washing device 20 thus configured will be described, in particular the operation when the nozzle washer 40 is used to wash the private parts washing nozzle in association with private parts washing, and the operation when the nozzle washer 40 is used to wash the private parts washing nozzle without private parts washing. Figure 4 is a flow chart showing an example of the nozzle washing process executed by the CPU 52 of the control device 50.

When the nozzle cleaning process is executed, the CPU 52 of the control device 50 first determines whether the user is seated on the toilet seat 14 based on the detection signal from the seating sensor 19 (step S100). If it is determined that the user is seated on the toilet seat 14, it determines whether the private parts cleaning switch (buttocks cleaning switch 18a or bidet cleaning switch 18b) has been operated (step S110). If it is determined that the private parts cleaning switch has not been operated, the nozzle cleaning process is terminated without performing nozzle cleaning. On the other hand, if it is determined that the private parts cleaning switch has been operated, the nozzle cleaning (seated nozzle cleaning) is performed by discharging cleaning water from the corresponding nozzle cleaner toward the target nozzle while moving the target nozzle back and forth according to the first movement pattern (step S120), and the nozzle cleaning process is terminated. The first movement pattern is a pattern for moving the target nozzle as quickly as possible in order to reduce the waiting time associated with private parts cleaning, and is determined by the specifications of the motor, etc. Here, when the buttocks cleaning switch 18a is operated as the private parts cleaning switch, the nozzle cleaning while sitting is performed by switching the supply destination of the cleaning water by the switching valve 36 to the buttocks nozzle cleaner 41, discharging the cleaning water from the water outlet 43 of the buttocks nozzle cleaner 41, and moving the buttocks cleaning nozzle 32 back and forth as the target nozzle. On the other hand, when the bidet cleaning switch 18b is operated as the private parts cleaning switch, the nozzle cleaning while sitting is performed by switching the supply destination of the cleaning water by the switching valve 36 to the bidet nozzle cleaner 45, discharging the cleaning water from the water outlet 47 of the bidet nozzle cleaner 45, and moving the bidet cleaning nozzle 33 back and forth as the target nozzle. This allows the outer peripheral surface (body) to be cleaned from the tip to the base of the target nozzle before and after private parts cleaning.

If it is determined in step S100 that the user is not seated on the toilet seat 14, it is determined whether the nozzle cleaning switch 18d has been operated (step S130), whether a predetermined time has passed since the last time local cleaning (buttocks cleaning or bidet cleaning) was performed (step S140), and whether a set time predetermined by the user has arrived (step S150). Steps S130 to S150 are the execution conditions for performing nozzle cleaning (non-seated nozzle cleaning) when the user is not seated on the toilet seat 14. If all of the determinations in steps S130 to S150 are negative, it is determined that the execution conditions for non-seated nozzle cleaning are not met, and the nozzle cleaning process ends without performing nozzle cleaning. On the other hand, if any of the judgments in steps S130 to S150 is positive, it is determined that the conditions for performing non-seated nozzle cleaning are met, and the two nozzles (the rear cleaning nozzle 32 and the bidet cleaning nozzle 33) are moved forward and backward one by one in sequence according to the second movement pattern as the seated nozzle cleaning, and cleaning water is discharged from the corresponding nozzle cleaner to perform nozzle cleaning (non-seated nozzle cleaning) (step S160), and the nozzle cleaning process is terminated. The second movement pattern is determined as a pattern that requires more time for the target nozzle to move forward and backward than the first movement pattern, and in this embodiment, it is performed by moving the target nozzle forward and backward while repeatedly moving and stopping between the storage position and the cleaning position. This increases the amount of cleaning water discharged per unit area of the target nozzle, making it possible to more reliably remove dirt from the target nozzle.

5 is an explanatory diagram showing the change in nozzle position and switching valve position over time in the non-seated nozzle wash of this embodiment, and FIG. 6 is an explanatory diagram showing the change in nozzle position and switching valve position over time in a comparative example. As shown in FIG. 5, in the non-seated nozzle wash of this embodiment, when the nozzle wash switch 18d is operated (time t1) while the seating sensor 19 does not detect that the user is seated on the toilet seat 14, the switch valve 36 switches the supply destination of the washing water to the buttocks wash (buttocks wash nozzle 32), and the washing water is sprayed from the nozzle hole 32o of the buttocks wash nozzle 32 while the nozzle case 31 is housed in the nozzle case 31. As a result, the nozzle hole 32o and its surroundings are washed by the washing water passing through the nozzle hole 32o of the buttocks wash nozzle 32 and the washing water rebounded inside the nozzle case 31. After a predetermined time has passed, the switch valve 36 switches the supply destination of the cleaning water to the posterior nozzle cleaning (posterior nozzle cleaner 41), and the posterior cleaning nozzle 32 is advanced in the second movement pattern (time t2). As described above, the second movement pattern is a movement pattern in which the posterior cleaning nozzle 32 is advanced from the storage position to the cleaning position while repeatedly moving and stopping, and thus the posterior cleaning nozzle 32 is cleaned from the tip to the base end by passing the water discharge point of the posterior nozzle cleaner 41 by the forward movement in the second movement pattern. When a predetermined time has passed since the posterior cleaning nozzle 32 reached the cleaning position (times t3 and t4), the posterior cleaning nozzle 32 is retreated in the second movement pattern. As a result, the posterior cleaning nozzle 32 is cleaned from the base end to the tip by passing the water discharge point of the posterior nozzle cleaner 41 by the retreating movement in the second movement pattern. When the posterior washing nozzle 32 retracts to the stored position (time t5), the switching valve 36 switches the supply destination of the washing water to the posterior washing (posterior washing nozzle 32), and the washing water is sprayed from the nozzle hole 32o of the posterior washing nozzle 32 while the posterior washing nozzle 32 is stored in the nozzle case 31.

When the cleaning of the rear washing nozzle 32 is completed (time t6), the switching valve 36 switches the supply destination of the cleaning water to the bidet cleaning (bidet cleaning nozzle 33), and the bidet cleaning nozzle 33 is housed in the nozzle case 31 and the cleaning water is sprayed from the nozzle hole of the bidet cleaning nozzle 33. As a result, the nozzle hole and its surroundings are cleaned by the cleaning water passing through the nozzle hole of the bidet cleaning nozzle 33 and the cleaning water rebounded in the nozzle case 31. After a predetermined time has passed, the switching valve 36 switches the supply destination of the cleaning water to the bidet nozzle cleaning (bidet nozzle cleaner 45), and the bidet cleaning nozzle 33 is moved forward in the second movement pattern (time t7). As a result, the bidet cleaning nozzle 33 is cleaned from the tip to the base by passing the water discharge point of the bidet nozzle cleaner 45 by the forward movement in the second movement pattern. When a predetermined time has passed since the bidet cleaning nozzle 33 reached the cleaning position (times t8 and t9), the bidet cleaning nozzle 33 is moved backward in the second movement pattern. As a result, the bidet nozzle 32 is cleaned from the base end to the tip end by passing the water discharge point of the bidet nozzle cleaner 45 as it moves backward according to the second movement pattern. When the bidet nozzle 33 moves backward to the stored position (time t10), the switching valve 36 switches the supply destination of the cleansing water to the bidet cleansing (bidet nozzle 33), and cleansing water is sprayed from the nozzle hole of the bidet nozzle 33 while the bidet nozzle 33 is stored in the nozzle case 31.

In this manner, in the non-seated nozzle cleaning of this embodiment, when the target nozzle is moved back and forth to clean it while cleaning water is discharged from the corresponding nozzle cleaner, the movement of the target nozzle back and forth is performed in a second movement pattern that takes more time to move than in the seated nozzle cleaning. This makes it possible to increase the amount of cleaning water discharged per unit area of the target nozzle, making it possible to more reliably remove dirt from the target nozzle.

In contrast, in the comparative example of non-seated nozzle cleaning, as shown in FIG. 6, when the target nozzle is moved back and forth to clean it while cleaning water is discharged from the corresponding nozzle cleaner, the movement of the target nozzle back and forth is performed in the same first movement pattern as in the seated nozzle cleaning. In this comparative example, the target nozzle quickly passes the water discharge point of the corresponding nozzle cleaner, which creates the risk of not being able to sufficiently remove dirt from the target nozzle.

According to the sanitary washing device of this embodiment described above, when performing non-seated nozzle washing to wash the target nozzle (rear washing nozzle 32, bidet washing nozzle 33) when no seating is detected by the seating sensor 19, when moving the target nozzle back and forth while discharging washing water from the corresponding nozzle cleaner, the movement of the target nozzle back and forth is performed in a second movement pattern that takes more time to move than nozzle washing while seated. This makes it possible to increase the amount of washing water discharged from the nozzle cleaner to the target nozzle, making it easier to remove dirt from the target nozzle.

In the above-described embodiment, in the nozzle cleaning while not seated, the target nozzle (the rear cleaning nozzle 32, the bidet cleaning nozzle 33) moves back and forth between the stored position and the cleaning position, alternately moving and stopping, but as shown in FIG. 7, a stop period may be provided between the stored position and the intermediate position, but no stop period may be provided between the intermediate position and the cleaning position (advanced position). As a result, of the total length of the target nozzle, the tip portion slowly passes the water discharge point where cleaning water is discharged from the corresponding nozzle cleaner, and the base portion quickly passes the water discharge point. This makes it possible to thoroughly clean the tip portion of the target nozzle while preventing the time required for nozzle cleaning from becoming too long.

In the above-described embodiment, in the nozzle cleaning while not seated, the target nozzle (the rear cleaning nozzle 32, the bidet cleaning nozzle 33) moves in the second movement pattern in both forward and backward movements, but as shown in FIG. 8, the forward movement may be performed in the second movement pattern and the backward movement in the first movement pattern, or as shown in FIG. 9, the forward movement may be performed in the first movement pattern and the backward movement in the second movement pattern.

In the above-described embodiment, in non-seated nozzle cleaning, the target nozzle is moved forward and backward from the storage position to the cleaning position, but it may be moved forward and backward so as to turn back just before the cleaning position. In non-seated nozzle cleaning, the target nozzle may be moved forward and backward multiple times.

In the above-described embodiment, the second movement pattern includes a stop period during which the target nozzle is temporarily stopped. However, as shown in FIG. 10, the movement speed of the target nozzle may be slower than that of the first movement pattern without providing a stop period.

In the above-described embodiment, the conditions for executing non-seated nozzle cleaning when the user is not seated on the toilet seat 14 are that the nozzle cleaning switch 18d is operated, a predetermined time has passed since a private part cleaning (buttocks cleaning or bidet cleaning) was performed, or a predetermined set time has arrived, but some of these execution conditions may be omitted.

In the above-described embodiment, the private parts cleaning nozzle is provided with two nozzles, a rear cleaning nozzle 32 and a bidet cleaning nozzle 33, but the number of nozzles may be one or three or more.

In the above-described embodiment, the posterior nozzle cleaner 41 and the bidet nozzle cleaner 45 (multiple nozzle cleaners) each have independent water flow paths (water inlets 42, 46), but they may also be configured as a single nozzle cleaner with a common water flow path.

The correspondence between the main elements of the embodiment and the main elements of the invention described in the section on means for solving the problem will be explained. In the embodiment, the posterior cleansing nozzle 32 and the bidet cleansing nozzle 33 correspond to the "nozzle", the posterior cleansing nozzle drive device 34 and the bidet cleansing nozzle drive device 35 correspond to the "nozzle drive device", the posterior nozzle cleaner 41 and the bidet nozzle cleaner 45 correspond to the "nozzle cleaner", the seating sensor 19 corresponds to the "seating sensor", and the control device 50 corresponds to the "control device".

The correspondence between the main elements of the embodiment and the main elements of the invention described in the Means for Solving the Problem column does not limit the elements of the invention described in the Means for Solving the Problem column, since the embodiment is an example for specifically explaining the form for implementing the invention described in the Means for Solving the Problem column. In other words, the interpretation of the invention described in the Means for Solving the Problem column should be based on the description in that column, and the embodiment is merely a specific example of the invention described in the Means for Solving the Problem column.

The above describes the form for carrying out the present invention using an embodiment, but the present invention is not limited to such an embodiment, and it goes without saying that the present invention can be carried out in various forms without departing from the spirit of the present invention.

The present invention can be used in the sanitary cleaning equipment manufacturing industry, etc.

1 Western-style toilet, 10 toilet seat device, 12 toilet seat device main body, 14 toilet seat, 16 toilet lid, 18 operation panel, 18a rear wash switch, 18b bidet wash switch, 18c stop switch, 18d nozzle wash switch, 19 seating sensor, 20 sanitary wash device, 21 waterway, 22 stop valve, 23 pressure reducing valve, 24 heat exchange unit, 24a heater, 25 pulsating pump, 26 vacuum breaker, 30 nozzle unit, 31 nozzle case, 32 rear wash nozzle, 32o jet hole, 33 bidet wash nozzle, 34 rear wash nozzle drive device, 35 bidet wash nozzle drive device, 36 switching valve, 41 rear nozzle washer, 42 water supply port, 43 water outlet, 45 bidet nozzle washer, 46 water supply port, 47 Water outlet, 50 control device, 52 CPU, 54 ROM, 56 RAM, 58 timer.

Claims (4)

A nozzle for washing a local part of a human body by spraying washing water thereon;
a nozzle driving device that moves the nozzle forward and backward;
a nozzle cleaner having a water discharger with a fixed water discharge location and configured to discharge cleaning water from the water discharger to clean the nozzle;
A seating sensor that detects whether a person is sitting on the toilet seat;
a control device which performs a first nozzle cleaning control for controlling the nozzle drive device so that the nozzle moves back and forth in a first movement pattern while cleaning water is discharged from the nozzle cleaner when cleaning of the nozzle is performed in a state where seating is detected by the seating sensor, and which performs a second nozzle cleaning control for controlling the nozzle drive device so that the nozzle moves back and forth in a movement pattern that includes at least a part of a second movement pattern that takes longer to move than the first movement pattern while cleaning water is discharged from the nozzle cleaner when cleaning of the nozzle is performed in a state where seating is not detected by the seating sensor;
Equipped with
the second movement pattern is a pattern in which the nozzle is moved in one direction while repeatedly moving in the one direction and pausing,
the first movement pattern is a pattern in which the nozzle is moved in one direction without the pause;
Sanitary cleaning equipment. The sanitary washing device according to claim 1,
The nozzle has a cleaning water ejection hole at a tip portion,
the control device, in the second nozzle cleaning control, moves the nozzle in the second movement pattern while a tip portion of the nozzle passes a water discharge point of the nozzle cleaner, and moves the nozzle in the first movement pattern while a base portion of the nozzle passes a water discharge point of the nozzle cleaner.
Sanitary cleaning equipment. A nozzle for washing a local part of a human body by spraying washing water thereon;
a nozzle driving device that moves the nozzle forward and backward;
a nozzle cleaner having a water discharger with a fixed water discharge location and configured to discharge cleaning water from the water discharger to clean the nozzle;
A seating sensor that detects whether a person is sitting on the toilet seat;
a control device which performs a first nozzle cleaning control for controlling the nozzle drive device so that the nozzle moves back and forth in a first movement pattern while cleaning water is discharged from the nozzle cleaner when cleaning of the nozzle is performed in a state where seating is detected by the seating sensor, and which performs a second nozzle cleaning control for controlling the nozzle drive device so that the nozzle moves back and forth in a movement pattern that includes at least a part of a second movement pattern that takes longer to move than the first movement pattern while cleaning water is discharged from the nozzle cleaner when cleaning of the nozzle is performed in a state where seating is not detected by the seating sensor;
Equipped with
The nozzle has a cleaning water ejection hole at a tip portion,
the control device, in the second nozzle cleaning control, moves the nozzle in the second movement pattern while a tip portion of the nozzle passes a water discharge point of the nozzle cleaner, and moves the nozzle in the first movement pattern while a base portion of the nozzle passes a water discharge point of the nozzle cleaner.
Sanitary cleaning equipment. A sanitary washing device according to any one of claims 1 to 3,
the second nozzle cleaning control is executed when a predetermined execution condition is satisfied in a state where no seating is detected by the seating sensor,
The predetermined execution condition is met when a predetermined operation switch other than the operation switch for instructing the local cleaning is operated, when a predetermined time has elapsed after the local cleaning is performed, or when a predetermined timing has arrived.
Sanitary cleaning equipment.

Images