JP5277643B2 - Dehumidifier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently remove or reduce organic components adhering on a dehumidifier rotor and causing deterioration of the dehumidifying capacity, in a dehumidifying apparatus having a dehumidifying passway and a regenerating passway using a humectant. <P>SOLUTION: The dehumidifying apparatus provided with the dehumidifying passway 6 to suck indoor air from a dehumidifying fan 5 and to discharge dehumidified air by causing the air to pass through a dehumidification area 3a of the rotary dehumidifier rotor 3, and the regeneration passway 11 which evaporates moisture with a regeneration fan 8 by spraying air heated with a regeneration heater 9 to a regeneration area 3b separated from the dehumidification area 3a of the dehumidifier rotor 3 to condense into water droplets by a heat exchanger 10. The deterioration of the dehumidifying capacity is prevented by cleaning the dehumidifier rotor 3 when the air temperature immediately after coming-out from the dehumidifier rotor 3 of the regeneration passway 11 is continuously low. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

  The present invention relates to a dehumidification path for sucking indoor air by a dehumidifying fan, passing the dehumidified air through a hygroscopic region of a rotary moisture absorbent body, and air heated by a regenerative heater by a regenerative fan. It is related to a dehumidifier equipped with a regeneration path that sprays moisture on the separate regeneration area to evaporate the moisture and condenses it in a heat exchanger to form water droplets, and removes organic substances accumulated in the absorber. It is about technology.

  Conventionally, this type of dehumidifying device is not widely used as a dehumidifying device for home use because it does not use a refrigeration cycle, has low operation noise, and can be configured to be lightweight and compact.

  This device absorbs moisture from room air on one of the rotating hygroscopic bodies called a dehumidifying rotor equipped with a dehumidifying material, and evaporates the moisture absorbed by the high-temperature air heated by the heater on the other side of the hygroscopic body. The body, that is, the dehumidifying material is regenerated, and this hot and humid air is condensed in a heat exchanger to form water (see, for example, Patent Document 1).

  Hereinafter, the dehumidifier will be described with reference to FIG.

  As shown in the figure, a dehumidification rotor 103 driven by a dehumidification rotor motor 102 and composed of a dehumidification material such as silica gel, zeolite, or a polymer adsorbent, and a dehumidification fan 105 driven by a dehumidification fan motor 104, A dehumidifying path 106 formed when the dehumidifying fan 105 is driven, a regenerating fan 108 driven by a regenerating fan motor 107, a regenerating heater 109, a heat exchanger 110, a regenerating path 111 formed when the regenerating fan 108 is driven, A water tank 112 provided in the lower part of the heat exchange device 110 and a control circuit for controlling the dehumidifying rotor motor 102, the dehumidifying fan motor 104, the regenerating fan motor 107, and the regenerating heater 109 are configured.

  The dehumidifying rotor 103 regenerates the dehumidifying material by desorbing moisture from the room air by dehumidifying material constituting the dehumidifying rotor, dehumidifying the room air, and dehumidifying material dehumidifying moisture from the room air. The dehumidification rotor 103 is rotationally driven by the dehumidification rotor motor 102, and is rotated and moved in order with the dehumidification area 103a, then the regeneration area 103b, and then back to the dehumidification area 103a. The indoor air is dehumidified by repeatedly dehumidifying the air with a dehumidifying material and regenerating the dehumidifying material.

  Here, the dehumidifying path 106 is configured to discharge the air sucked from the room through the heat exchanger 110 to the outdoors through the dehumidifying region 103 a of the dehumidifying rotor 103 as indicated by an arrow.

  Further, the regeneration path 111 is a circulation path from the heat exchanger 110 to the regeneration heater 109 again through the regeneration region 103b of the dehumidifying rotor 103 as indicated by an arrow.

  The control circuit 113 includes a microcomputer 114, a switch 115 for selecting a dehumidifying operation mode, a display element 116 for displaying the dehumidifying operation mode, and a dehumidifying rotor motor driving element 117 for driving the dehumidifying rotor motor 102. A dehumidifying fan motor driving element 118 for driving the dehumidifying fan motor 104, a regenerating fan motor driving element 119 for driving the regenerating fan motor 107, and a regenerating heater driving element 120 for driving the regenerating heater 109. Consists of.

  When the user starts the dehumidifying operation by the switch 115, the dehumidifying fan motor 104, the dehumidifying rotor motor 102, the regeneration fan motor 107, and the regeneration heater 109 are driven to perform the dehumidifying operation. The microcomputer 114 determines the number of revolutions of the motor 104 and the amount of heat generated by the regenerative heater 109 according to the selected dehumidifying operation mode. For example, in weak operation, control is performed so that the number of rotations of the dehumidifying fan motor 104 and the amount of heat generated by the regeneration heater 109 are minimized.

JP 2003-236330 A

  In such a conventional dehumidifying apparatus, depending on the usage state, not only moisture but also organic components such as gas smoked from the air, fragrance, and insect repellent adhere to the small passage of the dehumidifying rotor and the dehumidifying performance decreases. Therefore, it is required to efficiently remove the attached organic components.

  The present invention solves such conventional problems, and can efficiently remove organic components adhering to the dehumidification rotor and can reduce the organic components adhering to the dehumidification rotor. The purpose is to provide.

In order to achieve the above object, the dehumidifying device of the present invention sucks room air with a dehumidifying fan, passes the moisture absorbing area of the rotary type moisture absorber, and discharges the dehumidified air into the room, and a regeneration fan. The regeneration path for blowing the air heated by the regeneration heater to the regeneration area separated from the moisture absorption area of the hygroscopic body to evaporate the moisture and condensing it in the heat exchanger to form water droplets, and the dehumidification rotor of the regeneration path A first damper that switches to the upstream part of the dehumidification rotor of the dehumidification path instead of the upstream part of the heat exchanger at the downstream part of the heat exchanger, and the heat exchange downstream of the heat exchanger of the regeneration path A second damper for taking in indoor air instead of the air from the container side, and when cleaning the moisture absorber, the regeneration path takes in indoor air by the second damper, and the first damper The reproduction path is working with dehumidifying path is obtained by a flow a high temperature of the air than during the dehumidifying operation in the reproduction area of the moisture absorber.

  By this means, it is possible to obtain a dehumidifier that can raise the temperature of the absorber without damaging the heat exchanger and can remove organic components in a shorter time.

ADVANTAGE OF THE INVENTION According to this invention, the dehumidification apparatus which has the effect of decomposing | disassembling the organic component adhering to a dehumidification rotor at higher temperature can be provided, without giving the damage to a heat exchanger etc. of the downstream of a regeneration path | route with heat .

The figure which shows the structure of the dehumidification apparatus of the assumption example 1 and Embodiment 7 of this invention. Electric circuit diagram of Premise Example 1 and Embodiments 4 , 5 , 6 , 10 and 11 The figure which shows the structure of the dehumidification apparatus of Embodiment 1 of this invention. Same as above, electrical circuit diagram Electric circuit diagram of Embodiment 2 of the present invention Electric circuit diagram of Embodiment 3 of the present invention Electrical circuit diagrams of Embodiments 8 and 9 of the present invention The figure which shows the structure of the conventional dehumidifier Same as above, electrical circuit diagram

According to the first aspect of the present invention, a dehumidification path for sucking indoor air by a dehumidifying fan, passing the dehumidified air through a hygroscopic region of a rotary moisture absorber, and a regenerative heater by a regenerative fan The regeneration path for blowing the air heated in the regeneration area to the regeneration area separated from the moisture absorption area of the hygroscopic body to evaporate the moisture and condensing it in a heat exchanger to form water droplets, and the downstream part of the dehumidification rotor of the regeneration path The first damper that switches to cooperate with the upstream part of the dehumidification rotor of the dehumidification path instead of the upstream part of the heat exchanger, and the downstream side of the heat exchanger of the regeneration path, from the heat exchanger side A second damper that takes in indoor air in place of the air of the room, and at the time of cleaning the moisture absorber, the regeneration path takes in indoor air by the second damper, and the regeneration path by the first damper In conjunction with dehumidifying path, the is intended to flow a moisture absorber high temperature of the air than during the dehumidifying operation in the playing region, it has the effect of cleaning the moisture absorber with good Ri elevated temperature.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

( Assumption example 1)
FIG. 1 is a diagram showing a configuration of a dehumidifying apparatus 1 according to the first premise example of the present invention.

  A dehumidification rotor 3 composed of a dehumidifying material such as silica gel, zeolite, or a polymer adsorbent, which is driven to rotate by a dehumidification rotor motor 2, a dehumidification fan 5 driven by a dehumidification fan motor 4, and a dehumidification fan 5 are driven. The dehumidifying path 6 formed when the regeneration fan 8 is driven by the regeneration fan motor 7, the regeneration heater 9, the heat exchanger 10, the regeneration path 11 formed when the regeneration fan 8 is driven, and the lower part of the heat exchange device 10. And a temperature sensor 13 which is a regeneration temperature detecting means for detecting the temperature downstream of the dehumidifying rotor 3 in the regeneration path.

  The dehumidifying rotor 3 regenerates the dehumidifying material by absorbing moisture from the room air by the dehumidifying material constituting the dehumidifying rotor, dehumidifying the room air, and removing the moisture absorbed from the dehumidifying material that has absorbed moisture from the room air. The dehumidification rotor 3 is driven to rotate by the dehumidification rotor motor 2 and is rotated in the order of the dehumidification area 3a, then the regeneration area 3b, and then the original dehumidification area 3a. The indoor air is dehumidified by repeatedly dehumidifying the air with a dehumidifying material and regenerating the dehumidifying material.

  Here, the dehumidifying path 6 is configured to discharge the air sucked from the room to the outdoors via the heat exchanger 10 and the dehumidifying region 3a of the dehumidifying rotor 3 as indicated by arrows.

  Moreover, the regeneration path | route 11 is a circulation path from the heat exchanger 10 to the regeneration heater 9 again through the regeneration area | region 3b of the dehumidification rotor 3, as shown by the arrow.

FIG. 2 is a circuit diagram of Premise Example 1 of the present invention.

  The control unit 14 energizes the dehumidifying fan motor control unit 15 that controls energization of the dehumidifying fan motor 4, the regeneration fan motor control unit 16 that controls energization of the regeneration fan motor 7, and the dehumidifying rotor motor 2. A dehumidification rotor motor control unit 17 to be controlled, a regenerative heater control unit 18 for energizing the regenerative heater, a display unit 19 composed of a plurality of LEDs, an operation unit 20 composed of a plurality of switches, and a microcomputer 21 It is configured.

  In the above configuration, in a normal dehumidifying operation, when the user operates the operation unit 20, the microcomputer 21 drives the dehumidifying rotor motor 2 and the regeneration fan motor 7, and the dehumidifying fan motor 4 and the regeneration heater 9 are driven. Is performed by selectively driving the number of rotations and the amount of generated heat according to the selected dehumidifying mode.

  The indoor air is absorbed in the dehumidifying region 3a of the dehumidifying rotor 3, and dehumidified by reducing the humidity and releasing it again into the room.

  On the other hand, the dehumidifying rotor 3 that has absorbed moisture at the position of the dehumidifying region 3 a is evaporated by the circulating air of the regeneration path 11 heated to a high temperature by the regeneration heater 9 at the position of the regeneration region 3 b that rotates and engages with the regeneration path 11. Then, the moisture is blown off, and the heat exchanger 10 cools and condenses the above-described sucked room air to form water droplets. The cooled circulating air in the regeneration path 11 is heated again by the regeneration heater 9 and the above operation is repeated. The water droplets in the heat exchanger 10 are collected in the water tank 12.

  During the dehumidifying operation, organic components such as gas smoked from the air, fragrances, and insect repellents are also adsorbed to the dehumidifying rotor 3 at the position of the dehumidifying region 3a, but the circulation heated by the regenerative heater 9 is performed. When the air is at a high temperature of about 300 ° C. or higher, the organic component is not oxidized and decomposed into water and carbon dioxide and does not remain in the dehumidifying rotor 3. On the other hand, when the indoor temperature is low even in the dehumidifying operation weak mode and other modes in which the regenerative heater 9 generates a small amount of heat, the temperature of the circulating air in the regeneration path 11 decreases, and the organic components remain in the dehumidifying rotor 3 without being decomposed. Become.

  The microcomputer 21 integrates the time during which the temperature of the circulating air detected by the temperature sensor 13 in the regeneration path 11 is low, and when the accumulated time reaches a predetermined time, the temperature of the circulating air in the regeneration path 11 is about 300 ° C. As described above, the heat generation amount of the regenerative heater 9 is temporarily increased to perform cleaning for decomposing the organic components remaining in the dehumidifying rotor 3.

(Embodiment 1 )
FIG. 3 is a diagram illustrating a configuration of the dehumidifying device according to Embodiment 1 of the present invention. The configuration of the dehumidifying device of the second embodiment is basically different from the configuration of FIG. 1 in that a bypass path 22, a damper 23 as a first damper, and a damper 24 as a second damper are newly provided. The same parts as those in Premise Example 1 are denoted by the same reference numerals, and detailed description thereof is omitted.

  The bypass path 22 is provided so as to link the downstream portion of the dehumidification rotor 3 in the regeneration path 11 and the upstream portion of the dehumidification rotor 3 in the dehumidification path 6, and a damper 23 is installed so as to disconnect or route the bypass path 22. Further, a damper 24 for taking in indoor air is provided on the downstream side of the heat exchanger 10 in the regeneration path 11.

During the normal dehumidifying operation, the damper 23 is in a closed state so that the damper 23 is disconnected from the bypass path 22, but FIG. 3 shows an operation state during cleaning, and the damper 24 is in an open state. FIG. 4 is a circuit diagram of Embodiment 1 of the present invention. In this figure, a damper driving unit 25 is newly added to FIG. 2 described above, and the components having the same reference numerals as those in FIG. 2 are the same as those in FIG.

  In FIG. 4, the dampers 23 and 24 are configured to be connected to the microcomputer 21 via the damper control unit 25.

  In the above configuration, the microcomputer 21 integrates the time during which the temperature of the circulating air detected by the temperature sensor 13 in the regeneration path 11 is low, and when the integrated time reaches a predetermined time, the damper 21 is connected via the damper control unit 25. After energizing 23 and 24 to make the air path shown in FIG. 3, the amount of heat generated by the regenerative heater 9 is temporarily increased so that the temperature of the circulating air in the regenerative path 11 is about 300 ° C. or higher. The organic components remaining in 3 are decomposed. Further, the heated air that has passed through the dehumidifying rotor 3 in the regeneration path 11 enters the dehumidifying path 6 from the bypass path 22 and preheats the dehumidifying rotor 3.

  Thereby, the organic component adhering to the dehumidification rotor 3 is decomposed at a higher temperature without causing heat damage to the heat exchanger 10 and the like on the downstream side of the regeneration path 11.

(Embodiment 2 )
FIG. 5 is a circuit diagram of Embodiment 2 of the present invention.

  The nonvolatile memory 26 is connected to the microcomputer 21.

  In the above configuration, the microcomputer 21 integrates the time during which the temperature of the circulating air detected by the temperature sensor 13 in the regeneration path 11 is low, and writes the accumulated time in the nonvolatile memory 26 as needed to move the place of use. Therefore, even if the power is cut off, the integration time does not disappear and the integration can be continued when the power is turned on again and used, and excessive accumulation of organic components in the dehumidification rotor 3 can be prevented. It becomes.

(Embodiment 3 )
FIG. 6 is a circuit diagram of Embodiment 3 of the present invention.

  The cleaning-required display unit 27 composed of LEDs as display units for notifying the necessity of cleaning, the cleaning mode selection unit 28 as the operation mode selection unit, and the cleaning mode setting display unit 29 are connected to the microcomputer 21. .

  In the above configuration, the microcomputer 21 integrates the time during which the temperature of the circulating air detected by the temperature sensor 13 in the regeneration path 11 is low, writes the accumulated time in the nonvolatile memory 26 as needed, and the accumulated time exceeds a predetermined time. Is displayed, the cleaning required display 27 is turned on to prompt the user to perform cleaning. When the cleaning required display section 27 is lit, the user selects the cleaning mode by the cleaning mode selection means 28 and cleans the dehumidifying rotor 3. When the cleaning mode is selected, the microcomputer 21 turns off the cleaning required display portion 27 and turns on the leaning mode setting display portion 29.

(Embodiment 4 )
In the circuit diagram of FIG. 2, the regenerative heater 9 is divided into a regenerative heater 9a with a small amount of heat generation and a regenerative heater 9b with a large amount of heat generation, which are connected to regenerative heater control units 18a and 18b, respectively.

  In the above configuration, when the dehumidification strong mode is selected, the regeneration heater 9a and the regeneration heater 9b are energized. At this time, the circulating air in the regeneration path 11 passing through the dehumidification rotor 3 becomes a high temperature of about 300 ° C. or higher, and the organic components are Cleaning is not required because it is not accumulated in the dehumidifying rotor 3. When the dehumidifying mode is selected, only the regenerative heater 9b that generates a large amount of heat is energized. At this time, the circulating air in the regeneration path 11 that passes through the dehumidifying rotor 3 is about 300 ° C. or less depending on the indoor air temperature, and the organic components are dehumidified. There is a possibility of accumulation in the rotor 3. Further, in the dehumidification weak mode, only the regenerative heater 9 a that generates a small amount of heat is energized. Therefore, the circulating air in the regeneration path 11 that passes through the dehumidification rotor 3 is about 300 ° C. or less, and organic components are accumulated in the dehumidification rotor 3.

  During cleaning, the regenerative heater 9a and the regenerative heater 9b are energized to maximize the amount of heat generation, so that the circulating air in the regenerative path 11 passing through the dehumidifying rotor 3 is surely heated to about 300 ° C. or higher.

(Embodiment 5 )
In the circuit diagram of FIG. 2, the regenerative fan motor 7 has a winding with a higher rotational speed and a lower winding, and is connected to the regenerative fan motor controllers 16a and 16b, respectively.

  In the above configuration, only the regeneration fan motor controller 16a is energized during normal dehumidifying operation. During cleaning, only the regeneration fan motor controller 16b is switched on to minimize the amount of air blown by the regeneration fan 8, thereby ensuring the circulation air in the regeneration path 11 passing through the dehumidification rotor 3 regardless of the amount of heat generated by the regeneration heater 9. To about 300 ° C. or higher.

(Embodiment 6 )
In the circuit diagram of FIG. 2, the dehumidifying fan motor 4 has windings with different rotational speeds, and is connected to the dehumidifying fan motor control units 15a, 15b, and 15c from windings with higher rotational speeds.

  In the above configuration, during the normal dehumidifying operation, each of the dehumidifying fan motor controllers 15a, 15b, and 15c is selected and energized according to the selected operation mode strong, medium, and weak to change the air flow rate. Regardless of the selected operation mode, only the dehumidifying fan motor controller 15c is energized at the time of cleaning, thereby minimizing the air volume in the dehumidifying path 6, reducing the cooling of the dehumidifying rotor 3 by room air, and the heat exchanger 10 By reducing the amount of heat exchange at, the temperature of the regeneration air in the regeneration path 11 is increased.

(Embodiment 7 )
In Fig. 1, a playback area 3b of the dehumidification rotor 3 by a configuration in which a fan-shaped.

  In the above configuration, at the start of cleaning, the rotor motor 2 is temporarily stopped and only the regeneration region 3b is cleaned for a predetermined time. After that, the rotor motor 2 is energized and stopped again so that the fan-shaped dehumidifying rotor 3 in the regeneration area 3b rotates, and another area of the dehumidifying rotor 3 different from the previous one is cleaned. Similarly, the above operation is repeated until the dehumidifying rotor 3 rotates once.

(Embodiment 8 )
FIG. 7 is a circuit diagram of Embodiment 9 of the present invention.

  An in-cleaning display unit 30 composed of LEDs as display means for informing that cleaning is in progress is connected to the microcomputer 21.

  In the above configuration, during cleaning, the microcomputer 21 lights the cleaning display section 30 to notify the user that cleaning is in progress.

(Embodiment 9 )
In FIG. 7, the microcomputer 21 integrates the time when the temperature of the circulating air detected by the temperature sensor 13 in the regeneration path 11 is low, and does not start the cleaning operation even when this integrated time reaches a predetermined time. When the dehumidifying operation is stopped by the user and the dehumidifying operation is started again, the in-cleaning display unit 30 is turned on to start cleaning.

(Embodiment 10 )
In the circuit diagram of FIG. 2, the dehumidifying rotor motor 2 has windings with different rotational speeds, a winding with a high rotational speed is the motor controller 17 a for the dehumidifying rotor, and a winding with a low rotational speed is the motor control for the dehumidifying rotor. It is connected to the part 17b.

  In the above-described configuration, during normal dehumidifying operation, the microcomputer 21 selects the dehumidifying fan motor controllers 15a, 15b, and 15c according to the selected operation mode strength, medium, and weakness, energizes, and changes the air flow rate. Yes. Further, the microcomputer 21 changes the amount of heat generated by the regenerative heater 9 via the regenerative heater control units 18a and 18b according to the strong, medium, and weak operation modes.

  When the room temperature is low even in the dehumidifying operation weak mode and other modes in which the regenerative heater 9 generates a small amount of heat, the temperature of the circulating air in the regeneration path 11 decreases, so that organic components are likely to accumulate in the dehumidifying rotor 3. At this time, the microcomputer 21 switches energization from the dehumidification rotor motor control unit 17a to the dehumidification rotor motor control unit 17b to reduce the rotational speed of the dehumidification rotor 3, thereby reducing the air volume by the dehumidification fan 5 and the heat generation amount by the regenerative heater 9. The temperature of the dehumidification rotor 3 is raised without changing.

(Embodiment 11 )
In the circuit diagram of FIG. 2, a humidity sensor 31 that detects the humidity of room air is connected to the microcomputer 21.

  In the above configuration, during the dehumidifying operation, the humidity of the room air is detected by the humidity sensor 31, and the detection result is input to the microcomputer 21. The microcomputer 21 stops the dehumidifying fan 5, the regenerating fan 8, and the regenerating heater 9 when the humidity of the indoor air reaches 40% or less, which is a humidity at which normal dehumidifying operation is not required. This prevents the passage of the organic components in the air from adhering to the dehumidifying rotor 3.

  The dehumidifying device of the present invention has an effect of preventing a decrease in the dehumidifying amount by removing organic components adhering to the hygroscopic body, and can be used as a dehumidifying device for business as well as for home use.

DESCRIPTION OF SYMBOLS 2 Motor for dehumidification rotor 3 Motor for dehumidification rotor 4 Motor for dehumidification fan 5 Dehumidification fan 6 Dehumidification path 7 Motor for regeneration fan 8 Regeneration fan 9 Regeneration heater 10 Heat exchanger 11 Regeneration path 12 Water tank 13 Temperature sensor 22 Bypass path 23, 24 Damper 26 Nonvolatile memory 27 Cleaning required display section 28 Cleaning mode selection means 29 Cleaning mode setting display section 30 Cleaning display section 31 Humidity sensor

Claims (1)

The dehumidifying fan sucks indoor air, passes through the hygroscopic area of the rotary hygroscopic body and exhausts the dehumidified air to the room, and the air heated by the regenerative heater by the regenerative fan absorbs the moisture of the hygroscopic body. The regeneration path is sprayed on the separated regeneration area to evaporate the moisture, condensed in the heat exchanger to form water droplets, and the downstream part of the dehumidification rotor of the regeneration path is replaced with the upstream part of the heat exchanger. A first damper that switches to cooperate with the upstream portion of the dehumidification rotor of the dehumidification path, and a first damper that takes in indoor air instead of the air from the heat exchanger side at the downstream side of the heat exchanger of the regeneration path. When the moisture absorber is cleaned, the regeneration path takes in indoor air by the second damper, and the regeneration path cooperates with the dehumidification path by the first damper, thereby absorbing the moisture. Dehumidifier, characterized in that flow high temperature of the air than during the dehumidifying operation in the play area.

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