JP5046685B2 - Dehumidifier - Google Patents

Description

  The present invention relates to a dehumidifier, and more particularly, to a dehumidifier provided with a plurality of outlets for one blower fan and means for switching an air path to select an outlet.

  Some air conditioners equipped with a conventional air outlet switching function include a mechanism for moving a substantially flat plate in a substantially straight line in order to selectively open and close the opening (see, for example, Patent Document 1). It is equipped with a plurality of rectangular openings provided in the air duct and the flat plate that moves in a straight line along the opening end faces on the inlet side and outlet side of the duct, and arbitrarily selects the inlet and outlet of the duct It has a configuration with functions that can be performed.

  Moreover, in the dehumidifier provided with the conventional blower outlet switching function, there exist some which were equipped with the rotary movable valve for selecting arbitrarily the blower outlet of the warm air which passed the condenser (for example, refer patent document 2). ). It is provided with a movable valve that selectively switches between two air outlets used for dehumidifying operation and cold air operation, and two air passages connected to each air outlet, and the movable valve is operated manually. The structure has a function capable of arbitrarily selecting a hot air outlet according to the target operation.

Japanese Unexamined Patent Publication No. 2006-188193 (Abstract, FIGS. 1 and 3) JP 2003-314855 A (summary, FIG. 6)

  The air conditioner configured to switch the air path by moving the substantially flat plate substantially linearly described above is a method that blocks the flow in a direction substantially perpendicular to the air flow direction, thereby providing a simple structure for the air path. Switching. However, in this structure, near the flat plate, there is a risk that the air flow will increase due to the turbulence of the air flow and the air flow may decrease due to the increase in the flow resistance. It is not the structure.

  In addition, the air conditioner configured to switch the air path by moving the substantially flat plate substantially linearly has a simple driving method using a gear and a guide path, but it is connected or built in equipment such as a blower or a compressor. This is a structure that takes into account countermeasures for the occurrence of vibration noise of moving parts due to vibration sources such as air flow due to airflow, and when dust adheres to the moving parts after prolonged operation. Absent.

  Further, in the dehumidifier using the rotary movable valve described above, when two outlets are provided at two locations above the product main body and at the front or rear side, the movable valve is provided in the air passage. In order to secure a range that becomes a trajectory of rotating, a distance is required in the height direction of the product, so that it is difficult to achieve both reduction in size of the product.

  The present invention has been made to solve the above-described problems, and when performing dehumidifying operation or cold air operation, the two or more air outlets are switched with a simple structure, and the air path is switched. However, there is no increase in operating noise, decrease in air volume, abnormal noise due to vibration, or in addition to this, even if it operates for a long time and dust adheres to the moving part, the air path switching movable valve operates stably An object of the present invention is to provide a dehumidifier.

The dehumidifier according to the present invention is provided on the back side, a suction port for taking in indoor air into the machine, a back side air outlet provided in the upper part on the back side, and a front side air outlet provided in the upper part on the front side And a condenser for condensing the air sucked from the suction port, a condenser fan for sending the air condensed by the condenser to the front-side air outlet side, and cooling the air sucked from the suction port for dehumidification The evaporator, the evaporator fan for sending the air dehumidified by the evaporator to the front side outlet , and the partition between the condenser and the evaporator and extending to the front side outlet, A partition plate for separating the air condensed by the condenser and sent to the front side outlet and the air dehumidified by the evaporator and sent to the front side outlet, and the condenser Condensed front blowing The air fed to the mouth side, and a air passage switching unit for sending to the front side air outlet or the rear side air outlet. The air path switching unit includes a movable valve attached so as to be movable in a substantially straight line manually or automatically. The movable valve includes a protrusion, a front-side inclined surface inclined from the protrusion to the front side, and the protrusion. A back side slope inclined to the back side, the side section is an inverted triangle, and when the air condensed by the condenser is sent to the front side outlet, the movable valve moves to the back side. When the air condensed in the condenser is sent out to the rear side outlet, the movable valve moves to the front side.

  According to the present invention (Claim 1), the flow from the fan side is blown at any of the predetermined positions where the movable valve is fixed in accordance with the direction of the air path to the selected outlet. Since the projection leading to the outlet is provided, a stable air volume can be obtained without increasing the operation sound regardless of the direction of the outlet.

Embodiment 1 FIG.
FIG. 1 is an external view of the front side of the dehumidifier according to Embodiment 1 of the present invention, and FIG. 2 is an external view of the back side of the dehumidifier. As shown in FIGS. 1 and 2, the dehumidifier of the present embodiment includes an operation unit 1, a front-side outlet 2, a back-side outlet 3, A suction port 4 for taking in indoor air into the machine is provided. 1 and 2 are the same as the configurations of the dehumidifiers of Embodiment 2 and Embodiment 3 described later, and the description thereof is omitted in those embodiments.

  FIG. 3 is a schematic diagram showing the air path configuration during the dehumidifying operation of the dehumidifier of the present embodiment. Note that the air path configuration of FIG. 3 is similarly applied to the second and third embodiments described later. The air path configuration of FIG. 3 and the function of each component will be described. Of the air sucked from the room, the air that has passed through the evaporator 5 is dehumidified to a low temperature, passes through the evaporator fan 7 driven by the evaporator-side motor 6, and passes through the front outlet 2 to the outside of the machine. Discharged. The air that has passed through the condenser 8 is heated by the heat discharged from the condenser 8, passes through the condenser fan 10 driven by the condenser-side motor 9, and the operation of the movable valve 12 of the air path switching unit 11 It is discharged out of the machine from either the front side outlet 2 or the rear side outlet 3. In addition, in FIG. 3, the state discharged | emitted from the front side blower outlet 2 is shown in figure. Reference numeral 13 denotes a compressor for circulating a refrigerant such as chlorofluorocarbon in the evaporator 5 and the condenser 8. Reference numeral 14 denotes a water storage tank for storing indoor water adhering to the surface of the evaporator 5.

  The movable valve 12 in FIG. 3 shows the position during the dehumidifying operation. During the dehumidifying operation, air that has passed through the evaporator 5 and air that has passed through the condenser 8 are discharged from the front-side air outlet 2. Further, during the cold air operation, only the low-temperature dry air that has passed through the evaporator 5 is blown out from the front-side air outlet 2, and the high-temperature air that has absorbed the heat generated in the condenser 8 is discharged from the back-side air outlet 3. Discharged from the machine. The warm air from the condenser 8 and the cold air from the evaporator 5 are separated from each other in the main body by the partition plate 30.

  FIG. 4 is a detailed view showing the shape of the movable valve 12 of the air path switching unit 11 of FIG. The movable valve 12 of the air path switching unit 11 is provided with a projection 15 as shown on the fan side. The projection 15 includes a front-side inclined surface 16 and a rear-side inclined surface 17, and air flowing from the fan side passes through the respective inclined surfaces of the protrusion, and the front-side outlet 2 and the rear-side outlet 3 respectively. It is guided gently without disturbing the flow in the direction.

  FIG. 5 is a schematic diagram showing the air path configuration during cold air operation of the dehumidifier of the first embodiment. The position of the movable valve 12 at the time of air path switching at the time of each operation shown in FIGS. 3 and 5 will be described. During the dehumidifying operation, the movable valve 12 stops at the position shown in FIG. 3, and the warm air that has passed through the condenser fan 10 is guided along the front-side slope 16 to the front-side outlet 2. During the cold wind operation, the movable valve 12 stops at the position shown in FIG. 5, and the warm air that has passed through the condenser fan 10 is guided along the back side slope 17 to the back side outlet 3.

  In the first embodiment, the air path switching unit 11 is provided in the air path on the condenser side. However, the air path switching unit 11 may be provided in the air path on the evaporator side to perform the hot air operation. Good. Moreover, although the inclined surface which guides air to the blower outlet of 2 directions provided in the back surface of the movable valve 12 was made into the substantially plane, you may comprise this inclined surface with a curved surface. The form in this case is shown in FIG.

  FIG. 6 is a schematic view showing an example in which the protrusion shape of the movable valve is configured by a curved surface. If the slope is formed by an arc as in the movable valve 12-b in FIG. 6, the air flow is more gently guided to the outlet in the selected direction.

  In addition, the movable valve 12 is assumed to be molded with resin, and as shown in FIG. 4, the top surface is provided with a stealer and the movable valve 12 has a substantially uniform thickness, but to increase rigidity. In addition, the top surface side may be filled with resin without providing a recess, or may be formed by extruding or bending a sheet metal without using a resin. It is not limited to the thing of the form 1.

  As described above, according to the first embodiment, by moving the movable valve in a substantially horizontal direction, the size in the height direction of the air path switching unit 11 can be made smaller than that of the rotary movable valve. Therefore, it is possible to provide a dehumidifier capable of preventing an increase in blowing sound and a decrease in blowing amount in any operation mode in order to prevent an increase in the size of the product body and to switch an air path with a gentle shape. it can.

Embodiment 2. FIG.
7 is a perspective view of the movable valve according to the second embodiment of the present invention, FIG. 8 is a detailed view of a leaf spring attached to the movable valve of FIG. 7, and FIG. 9 is formed on the guide wall of FIG. It is detail drawing of the notch part.

  7 to 9, the structure of the air path switching unit 11 including the leaf spring 18 and the notch 19 for removing dust will be described. A plate spring 18 is provided on one side surface of the movable valve 12 so that the movable valve 12 is always pressed toward the guide wall 20 on one side regardless of the operating position of the movable valve 12. Further, a notch portion 19 is provided in the bottom plate portion 21 of the guide wall 20 in the vicinity of the end point portion of the movable range of the movable valve 12. Reference numeral 22 in FIG. 7 denotes a movable valve drive motor for driving the movable valve. Reference numeral 23 denotes a plate-like support bar that constitutes a link mechanism that transmits the driving force of the movable valve drive motor 22 to the movable valve 12.

  The detailed shape and function of the leaf spring 18 will be described with reference to FIG. The leaf spring 18 is fixed to the side surface of the movable valve 12 with a screw 25 or the like at the center portion. The two arm portions 24 of the leaf spring 18 press the wall surface of the guide wall 20 to relatively press the movable valve 12 against the guide wall 20-b on the side where the leaf spring 18 is not attached. As the movable valve drive motor 22 rotates, the movable valve 12 moves in a substantially horizontal direction along the guide wall 20 via the support rod 23 while always pressing the movable valve against one of the guide walls.

  According to the above configuration, the evaporator-side motor 6, the condenser-side motor 9, or the compressor 13 is not pressed because the movable valve 12 is always pressed against the one guide wall 20 regardless of whether the movable valve 12 is moving or stopped. Even when the movable valve 12 is vibrated as a vibration source, the leaf spring 18 absorbs vibration and prevents the generation of abnormal noise such as vibration noise caused by the collision between the movable valve 12 and the guide wall 20. Can do. In the example of FIG. 7, the example in which the movable valve 12 is driven by the movable valve drive motor 22 has been described. However, the movable valve 12 of the present invention may be moved manually.

  Next, the detailed shape and function of the notch portion 19 provided in the bottom plate portion 21 of the guide wall 20 of the movable valve 12 will be described with reference to FIG. When the dehumidifier is placed indoors, there is a concern that dust in the room enters from the front-side air outlet 2 and the like and accumulates in the vicinity of the movable valve 12 and the guide wall 20. If the accumulated dust 26 is left unattended, dust may enter the gap between the movable valve 12 and the guide wall 20 and hinder the operation of the movable valve 12. Therefore, if the notch 19 is provided in the bottom plate portion 21 of the guide wall 20, the end of the movable valve 12 or the leaf spring 18 is accumulated around the guide wall 20 when the movable valve 12 is operated when the air path is switched. The dust 26 is pushed out in the direction of the notch 19, and the dust 26 falls from the notch 19 to the space on the fan side. In this way, by removing the dust 26 using the operation of the movable valve 12 by switching the operation of the dehumidifier, the accumulation of the dust 26 near the movable portion is prevented, and the operation of the movable valve 12 is always stable. be able to.

  In the second embodiment, the leaf spring 18 is used as an elastic body that presses the movable valve 12 against the guide wall 20, but it may be a resin part having a shape that functions as a spring, or may be made of resin. In this case, the shape may be formed integrally with the movable valve 12. Further, instead of the leaf spring 18, an elastic body such as rubber or resin foam may be used, and the detailed shape and material are not limited to those of the second embodiment.

  As described above, according to the second embodiment, the movable valve 12 that moves in the substantially horizontal direction is always pressed against the one guide wall 20 so that the motor and the compressor can be operated and the air flow during blowing The vibration of the movable valve 12 due to a vibration source such as the above can be prevented, and by providing the notch portion 19 in the bottom plate portion 21 of the guide wall 20, accumulation of dust 26 around the guide wall 20 can be prevented. Therefore, it is possible to provide a highly reliable dehumidifier that can always obtain a stable operation of the movable valve 12, has no abnormal noise, and can be used for a long period of time.

Embodiment 3 FIG.
FIG. 10 is a schematic view of the mounting method of the movable valve according to the third embodiment of the present invention, and FIG. 11 is a diagram showing a state where the movable valve of FIG. 10 is lowered by its own weight.

  The mounting method and operation | movement of the movable valve 12 are demonstrated based on FIG. 10 and FIG. As shown in FIG. 10, the movable valve 12 is used and the air path switching unit 27 is mounted with an inclination with respect to the floor surface of the product. At the time of normal operation switching, an air path switching operation similar to that described in the first embodiment is performed. In the third embodiment, switching of the air path by the movable valve 12 is performed using the partition plate 31 shown in FIG.

  By the way, when the movable valve drive motor 22 fails and the force to push up the movable valve 12 does not work, the position of the movable valve 12 is lowered by its own weight, and the movable valve 12 stops at the position shown in FIG. 11, for example. . Thereby, an air path will be in the state by which the air which passed the condenser 8 which is a form at the time of a dehumidification driving | operation is guide | induced to the front side blower outlet 2. FIG.

  In the third embodiment, the operation direction of the movable valve 12 is arranged so as to be inclined with respect to the product floor surface direction. However, the dimensions of the main body according to the arrangement position of the product outlet and the use conditions of the product. Depending on the set value, the operation direction of the movable valve 12 may be arranged to be perpendicular to the floor surface direction of the product, and the detailed mounting method is limited to that of the third embodiment. It is not a thing.

  As described above, according to the third embodiment, in the unlikely event that the movable valve drive motor 22 fails, the movable valve 12 stops in the form of the air path of the dehumidifying operation. In the dehumidifier, it is possible to provide an easy-to-use dehumidifier capable of continuing to use the product if only the dehumidifying operation that is generally considered to be frequently used.

  As described above, according to the present invention, the back surface of the air path switching movable valve has a shape along the air flow, so that even if the air path is switched in accordance with the selected operation mode, a constant air volume is maintained. Since a stable dehumidifying amount can be obtained without increasing the operating noise, a compact and high-performance dehumidifier can be provided.

  In addition, the movable valve is equipped with an elastic body for vibration isolation, and a dust discharge port is provided in the guide, thereby providing a highly reliable dehumidifier that prevents abnormal sounds such as vibration noise and malfunction due to dust adhesion. can do.

  In addition, by arranging the air path switching mechanism so that the operation direction of the movable valve is inclined or perpendicular to the floor surface of the product, even if the movable valve drive motor should fail, only the dehumidifying operation is possible. An easy-to-use dehumidifier that can be operated can be provided.

It is a front perspective view of the appearance of a dehumidifier showing Embodiment 1 of the present invention. It is a back surface perspective view of the external appearance of the dehumidifier of FIG. It is the schematic which shows the air path structure at the time of the dehumidification driving | operation of the dehumidifier of FIG. It is detail drawing which shows the shape of the movable valve of the air path switching of the dehumidifier of FIG. It is the schematic which shows the air path structure at the time of the cold wind driving | operation of the dehumidifier of FIG. It is the schematic which shows the example which comprised the protrusion shape of the movable valve of the dehumidifier of FIG. 1 with the curved surface. It is a perspective view of the air path switching part of the dehumidifier which concerns on Embodiment 2 of this invention. It is detail drawing of the leaf | plate spring attached to the movable valve of FIG. It is detail drawing of the notch formed in the guide wall of the air path switching part of FIG. It is the schematic of the mounting method of the movable valve of Embodiment 3 of this invention. It is a figure which shows the state which the movable valve of FIG. 10 fell with dead weight.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Operation part, 2 Front side outlet, 3 Back side outlet, 4 Suction inlet, 5 Evaporator, 6 Evaporator side motor, 7 Evaporator fan, 8 Condenser, 9 Condenser side motor, 10 Condenser fan, DESCRIPTION OF SYMBOLS 11 Air path switching part, 12 Movable valve, 12-b Movable valve, 13 Compressor, 14 Water storage tank, 15 Protrusion, 16 Front side slope, 17 Back side slope, 18 Leaf spring, 19 Notch part, 20 Guide wall, 20-b guide wall, 21 bottom plate part, 22 movable valve drive motor, 23 support rod, 24 arm part, 25 screw, 26 dust, 27 inclined air path switching part, 30 partition plate, 31 partition plate.

Claims (2)

A suction port provided on the back side and taking indoor air into the aircraft;
A rear side air outlet provided at the upper part on the back side;
A front-side air outlet provided at the top of the front side;
A condenser for condensing the air sucked from the suction port;
A condenser fan for sending out the air condensed by the condenser to the front side outlet;
An evaporator for cooling and dehumidifying the air sucked from the suction port;
An evaporator fan for sending the air dehumidified by the evaporator to the front outlet side;
The condenser and the evaporator are partitioned and extended to the front outlet, and the air condensed by the condenser and sent to the front outlet is dehumidified by the evaporator. A partition plate for separating the air sent to the front-side outlet side;
An air path switching unit that sends out the air condensed in the condenser and sent to the front-side outlet to the front-side outlet or the rear-side outlet;
With
The air path switching unit is
It is equipped with a movable valve that can be moved manually or automatically in a substantially straight line,
The movable valve is
A protrusion, a front-side slope inclined from the protrusion to the front side, and a back-side slope inclined from the protrusion to the back side, and the side section is an inverted triangle,
When sending the air condensed in the condenser to the front side outlet, the movable valve moves to the back side,
The dehumidifier according to claim 1, wherein when the air condensed by the condenser is sent out to the rear side outlet, the movable valve moves to the front side.   The dehumidifier according to claim 1, wherein the front side slope and the back side slope have a concave curved shape.

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