JP5181516B2 - Dehumidifier - Google Patents

Description

  The present invention relates to a dehumidifier for drying clothes and the like having a configuration in which moisture is absorbed by a dehumidification rotor carrying a hygroscopic agent and the absorbed moisture is recovered as condensed water.

  Conventionally, this type of dehumidifier heats moisture absorbed by the dehumidification rotor with a heater and releases it to high-temperature regeneration air, and cools the condensed regeneration water by cooling the humid regeneration air containing the released moisture with a condenser. Is recovered and the regenerated air from which moisture has been removed is returned to the heater and circulated (see, for example, Patent Document 1).

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

Inside the main body 101, a dehumidification rotor 102 that adsorbs moisture in the air, a drive motor 103 that rotates the dehumidification rotor, a heat generation unit 104 that discharges water from the dehumidification rotor 102, and the dehumidification rotor by the heat generation unit 104 A heat exchanger 105 that condenses the high-temperature and high-humidity air discharged from the heat exchanger 102; a connection unit 106 that returns the high-temperature and high-humidity air that has passed through the heat exchanger 105 to the heat generating unit 104; the heat generating unit 104; 102, the heat exchanger 105, the connecting portion 106, and the first blower fan 107 in a closed circulation air path A for closing and circulating the air, and the second blower fan 108 cools the heat exchanger 105 and dehumidifies the rotor 102. An air passage B is formed in which moisture is adsorbed to the air and dry air is sent out from the outlet. In the closed circulation air path A, the dew condensation water generated by dew condensation in the heat exchanger 105 is stored in the drain tank 109.
JP 2003-236330 A ([0019], FIG. 10)

  In such a dehumidifier, the air blown by the second blower fan 108 that dries clothing or the like cools the heat exchanger 105 and adsorbs moisture to the dehumidification rotor 102, and then sends dry air. There is a problem that the amount of blown air is greatly reduced, and in order to dry clothes and the like quickly, it is required to increase the amount of blown air and to supply high-temperature and low-humidity dry air.

  This invention solves such a conventional subject, and it aims at providing the dehumidifier which can improve drying efficiency, such as clothing, and can save energy by increasing ventilation volume.

In order to achieve the above-mentioned object, the dehumidifier of the present invention is a disk-shaped dehumidification rotor provided inside the main body for adsorbing moisture in the air, a driving means for rotating the dehumidification rotor, and moisture from the dehumidification rotor. The heat generating means for releasing the heat, the heat exchanger for condensing the high temperature and high humidity air discharged from the dehumidification rotor by the heat generating means, and the connecting portion for returning the high temperature and high humidity air that has passed through the heat exchanger to the heat generating means The heat exchanger is cooled by a closed circulation air path using a first blower fan that closes and circulates air passing in the order of the heat generating means, the dehumidifying rotor, the heat exchanger, and the connection portion, and indoor air sucked from the suction port. and dividing Shimekazero the second blowing fan by adsorbing moisture delivering dry air from the air outlet to the dehumidifying rotor while the indoor air sucked from the suction port, the periphery of the connecting portion Filtered, it has a blast-air passage according to the third blowing fan for sending through the air outlet, air passage sectional area in the connection portion is smaller than the wind passage sectional area in the heat exchanger, the third blower The air blowing path by the fan is characterized by having less ventilation resistance than the dehumidifying air path by the second air blowing fan .

By this means, in addition to the dehumidifying air passage having a large ventilation resistance by the second air blowing fan to be dehumidified, it is possible to increase the amount of air to be supplied to the laundry by providing the air blowing passage having a small air resistance by the third air blowing fan. by air passage to cool the periphery of the connection portion of the closed air circulation duct, condensation effects outside heat exchanger to improve the dehumidification capacity to promote, Ru can be further increased the outlet temperature of the air-air passage .

  The other means is provided with a chamber box for mixing the blowing air from the dehumidifying air passage and the blowing air from the blower air passage just before the air outlet.

  By this means, the temperature and humidity of the blowing air from the main body outlet can be made uniform.

  Further, the other means is that the intake port for taking in indoor air into the main body consists of a dehumidification intake port of the dehumidification air passage and a blower intake port of the blow air passage, and the dehumidification intake port is provided on the outlet side of the main body, The blower inlet is provided on the side opposite to the outlet.

  By this means, indoor high-humidity air is sucked from the front and blown out as dehumidified air, and relatively dry air on the window side can be sucked and merged from the rear to be blown.

  Another means is to provide a dehumidification inlet of the dehumidification air passage and a blow-in air inlet of the blower air passage on the air outlet side of the main body, and this air outlet is provided with a wind direction changing plate on the discharge side of the air blow air passage. The change plate changes the blowing direction to the front or rear of the main body.

  By this means, when the humidity inside the room is high, high-humidity air is released outside the window toward the window where the wind direction changing plate is opened, and when the humidity inside the room is low, the air direction changing plate is directed indoors to reduce the humidity. Air can be supplied to the laundry.

  Another means is to provide a heater on the discharge side of the blower air passage.

  By this means, it is possible to supply dry air to the laundry by blowing warm air heated by a heater from the discharge side of the blower air passage.

  The other means is provided with a ventilation operation mode in which the heat generating means or the heater is stopped and the second air blowing means and the third air blowing means can be operated simultaneously.

  By this means, when the indoor air is low in humidity, the laundry can be dried by the operation of only air blowing with the power consumption reduced by stopping energization of the heat generating means or the heater.

  The other means operates by reducing the amount of air blown by the third air blowing means when the detected humidity of the humidity sensor provided at the suction port of the main body is large.

  By this means, when the room air is highly humid, the blowout amount of the blower air passage is reduced and the operation of mainly dehumidification air is performed, and when the room air is low humidity, the blowout amount of the blower air passage is increased and can do.

According to the present invention, in addition to the dehumidifying air passage having a large ventilation resistance by the second air blowing fan to be dehumidified, the air blowing amount to be supplied to the laundry is increased by providing the air blowing passage having a small air resistance by the third air blowing fan. The drying time can be greatly reduced , and the air blowing passage cools the surroundings of the connection part of the closed circulation air passage to improve the dehumidifying capacity, and the blowing temperature of the air blowing passage is slightly increased. Ru it is possible to improve the efficiency.

  Moreover, the temperature and humidity of the blowing air from the main body outlet can be made uniform, and the drying unevenness of the laundry facing the outlet can be reduced.

  Further, by sucking in relatively dry air on the window side as compared with the room, merging and blowing it out, it is possible to improve the amount of dry air blown and increase the drying efficiency of the laundry.

  Also, when the humidity inside the room is high, high-humidity air is released outside the window toward the window with the wind direction change plate open, and when the humidity inside the room is low, the low humidity air is directed toward the room. Since it can be supplied to the laundry, it can be operated in accordance with the indoor humidity level, and the drying efficiency of the laundry can be improved.

  In addition, when the room temperature is low, the laundry can be dried quickly by blowing warm air heated from the discharge port of the blower air passage.

  Further, when the indoor air is low in humidity, it is possible to realize an energy saving operation for drying laundry by only supplying air with power consumption reduced by stopping energization of the heat generating means or the heater.

  In addition, when the indoor air is high humidity, the blown air flow rate is reduced and the laundry is dried mainly with dehumidified air.When the indoor air is low humidity, the blown air flow rate is increased and the air is mainly washed. Energy-saving operation that can be dried.

The invention according to claim 1 of the present invention is a disk-shaped dehumidification rotor provided inside the main body for adsorbing moisture in the air, driving means for rotating the dehumidification rotor, and heat generation for releasing moisture from the dehumidification rotor. Means, a heat exchanger that condenses the high-temperature and high-humidity air released from the dehumidification rotor by the heat-generating means, a connection part that returns the high-temperature and high-humidity air that has passed through the heat exchanger to the heat-generating means, and the heat generation Means, a dehumidification rotor, a heat exchanger, and a connection part, in order to close and circulate the air passing through the first blower fan, the indoor air sucked from the suction port cools the heat exchanger and the dehumidification rotor to adsorb moisture and dividing Shimekazero the second blowing fan for delivering dry air from the air outlet, a room air sucked from the suction port, passes around the connecting portion, the outlet Third blowing fan for sending by now have a blow air passage through the wind passage sectional area in the connection portion is smaller than the wind passage sectional area in the heat exchanger, the blower air path by the third blowing fan Is characterized in that it has less ventilation resistance than the dehumidification air path by the second blower fan , and in addition to the dehumidification air path having a large ventilation resistance by the second blower fan to be dehumidified, the ventilation resistance by the third blower fan It is possible to increase the amount of air to be supplied to the laundry by providing a small air flow path, and the air flow path is configured to pass around the connection portion, and the air flow path is connected to the closed circulation air path. by cooling the surrounding parts, condensation effects outside heat exchanger to improve the dehumidification capacity to promote, Ru can be further increased the outlet temperature of the air-air passage.

  Further, the invention according to claim 2 is provided with a chamber box for mixing the blowing air of the dehumidifying air passage and the blowing air of the blower air passage at the air outlet of the main body, and the temperature of the air blown from the main body air outlet. The humidity can be made uniform.

  In the invention according to claim 3, the suction port for taking in indoor air into the main body includes a dehumidification suction port of the dehumidification air passage and a blower suction port of the blower air passage, and the dehumidification suction port is located on the outlet side of the main body. The air inlet is provided on the side opposite to the air outlet, and sucks indoor high-humidity air from the front and blows it out as dehumidified air. Dry air can be sucked in, merged and blown.

  According to a fourth aspect of the present invention, the dehumidifying air inlet of the dehumidifying air passage and the air inlet of the air blowing air passage are provided on the air outlet side of the main body, and the air outlet is on the discharge side of the air blowing air passage, and the outlet direction is set on the main body. When the humidity inside the room is high, high-humidity air is released to the outside of the window with the wind direction changing plate open, and the humidity inside the room is reduced. When the temperature is low, low humidity air can be supplied to the laundry with the wind direction changing plate facing the room.

  Further, the invention according to claim 6 is provided with a heater on the discharge side of the blower air passage, and by blowing warm air heated by the heater from the discharge side of the blower air passage, Dry air can be supplied.

  The invention according to claim 7 is provided with a ventilation operation mode in which the heat generating means or the heater is stopped and the second air blowing means and the third air blowing means can be operated at the same time. In this case, the laundry can be dried by the operation of only the air blowing that suppresses the power consumption by stopping the energization of the heating means or the heater.

  Further, the invention of claim 8 is to reduce the amount of air blown by the third air blowing means when the humidity detected by the humidity sensor provided at the suction port of the main body is large, and when the room air is highly humid, When the blowing amount of the blowing air passage is reduced and the operation is mainly performed by the dehumidifying air, and the room air is low in humidity, the blowing amount of the blowing air passage is increased so that the operation is mainly performed by the blowing air passage.

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

(Embodiment 1)
FIG. 1 is a schematic cross-sectional view showing a schematic configuration of a dehumidifier according to Embodiment 1 of the present invention and the flow of wind.

  As shown in FIG. 1, in the main body 1, indoor air sucked from a suction port 13 provided on the front surface of the main body 1 by the second blower fan 8 is cooled by passing through a heat exchanger 5, and a disk-shaped dehumidification is performed. There is provided a dehumidifying air passage 11 through which air is passed through the rotor 2 to adsorb moisture, and the dehumidified dry air is blown out from the air outlet 14. Moreover, the closed circulation air path 10 by the 1st ventilation fan 7 which closes and circulates the air which passes in order of the heat generating heater 4, the dehumidification rotor 2, the heat exchanger 5, and the connection part 6 is provided. Further, the indoor air sucked from the suction port 13 passes through the inside of the main body 1 without passing through the dehumidifying rotor 2 and the heat exchanger 5, and the blower air passage 12 by the third blower fan 9 is sent out of the main body 1 from the outlet 14. Provided.

  In addition, by providing a heater 17 on the blowout side of the third blower fan 9 in the blower air passage 12, the room air can be heated and blown out as hot air.

  A heating heater 4 as a heating means provided in the closed circulation air passage 10 is for releasing moisture from the dehumidifying rotor 2, and the heat exchanger 5 is configured to condense high-temperature and high-humidity air released from the dehumidifying rotor 2, Condensed water is collected in the tank 15. The connection portion 6 forms a closed circulation air passage 10 by returning the high-temperature and high-humidity air that has passed through the heat exchanger 5 to the heating heater 4.

  A chamber box 16 that mixes the dehumidified airflow from the dehumidification air passage 11 and the undehumidified airflow from the blower air passage 12 is provided on the upstream side of the air outlet 14.

  In the above configuration, when performing a normal dehumidifying operation, if “dehumidifying operation” is selected as an operation mode with an operation unit (not shown), the dehumidifying rotor 2 is driven by the stepping motor 3 and the dehumidifying air passage 11 is The second air blowing fan 8 provided and the first air blowing fan 7 provided in the closed circulation air passage 10 and the heat generating heater 4 are energized, and a dehumidifying operation utilizing the absorption / desorption function of the dehumidifying rotor 2 is performed. Dehumidified dry air is blown out.

  Next, when “dehumidifying and blowing operation” is selected as the operation mode, in addition to the above-described dehumidifying operation, the third blowing fan 9 provided in the blowing air passage 12 is energized and the indoor air sucked from the suction port 13 is supplied to the chamber box. The air is mixed with the dry air dehumidified at 16 and supplied to the laundry as mixed air having a large air volume from the air outlet 14.

  Further, when the room temperature is low or the room humidity is high, when the “dehumidifying hot air operation” is selected as the operation mode, the heater provided in the air blowing path 12 in addition to the operating conditions of the “dehumidifying air blowing operation” 17 is energized, and the indoor air sucked from the suction port 13 is heated to become warm air having a low relative humidity, and blown out as dry warm air having a large air volume from the air outlet 14, so that the laundry is easily dried.

  Further, when the room temperature is high or the room humidity is low, when the power saving type “ventilation operation” is selected as the operation mode, the stepping motor 3 that rotates the dehumidification rotor 2 with respect to the operation condition of the “dehumidification blow operation”. Then, the energization of the first blower fan 7 and the heater 4 provided in the closed circulation air passage 10 is stopped, the second blower fan 8 and the third blower fan 9 are energized, and the indoor air sucked from the suction port 13 is Since the air is blown out from the air outlet 14 as it is and the dry or high-temperature indoor air can be blown to the laundry, drying with reduced power consumption can be performed.

  Thus, in the case of the “dehumidifying and blowing operation”, in addition to the dehumidifying air passage 11 having a large ventilation resistance, by providing the ventilation air passage 12 having a small ventilation resistance, the amount of air to be supplied to the laundry can be increased. The drying time of the laundry can be greatly reduced.

  In the case of “dehumidifying hot air operation”, drying efficiency can be improved by blowing warm air by providing the heater 17 that raises the temperature of the blown air from the blower air passage 12.

  Furthermore, when the indoor air is low or high in temperature, when “ventilation operation” is selected, the energization of the heater 4 or the heater 17 is stopped, and the laundry is dried by the operation of only blowing with reduced power consumption. Energy saving.

  Here, the outline result of the clothes drying test by the difference in the operation mode is shown below. The test place is a 10-tatami Japanese-style room of a detached wooden house, and the test conditions are an indoor temperature of 18 ° C. and an indoor humidity of 85%. As shown in FIG. 2, the test method was such that the clothes to be dried (2 kg test cloth) were hung near the center of the room with the doors closed and the operation mode was switched by placing the main body 1 below the clothes. The drying time is compared from the change in the weight change of the clothes including moisture by the clothes drying operation.

  As a first test, the operation mode is set to “dehumidification operation” and the clothes drying time is measured. Next, as the second test, when the indoor environment is the same condition, the operation mode is set to “dehumidifying and blowing operation”, and the third blowing fan 9 is operated in addition to the operating condition of “dehumidifying and blowing operation”. The amount of air blown from 14 is approximately doubled.

  As shown in FIG. 3, the test results showed that the clothes drying time in the first test was 113 minutes and the clothes drying time in the second test was 81 minutes, and the effect of shortening the drying time by about 28% was obtained. .

(Embodiment 2)
FIG. 4 is a schematic cross-sectional view showing a schematic configuration of the dehumidifier according to Embodiment 2 of the present invention and the flow of wind.

  In addition, the same thing as Embodiment 1 attaches | subjects the same symbol, and abbreviate | omits detailed description.

  As shown in FIGS. 4 and 5, the interior of the main body 1 is dehumidified by sucking room air from a dehumidification inlet 19 provided in the same direction as the outlet 14 by the second blower fan 8 and cooling the heat exchanger 5. A dehumidifying air passage 11 for adsorbing moisture to the rotor 2 and sending dry air from the blower outlet 14 is provided. Moreover, the ventilation air path by the 3rd ventilation fan 9 which ventilates the indoor air attracted | sucked from the ventilation inlet 20 provided in the direction opposite to the blower outlet 14 from the blower outlet 14 is provided.

  A heater 17 as a heating means is provided on the blowout side of the third blower fan 9 in the blower air passage 12 so that the room air can be heated and blown out as hot air. And the blown-out air are mixed to blow the mixed air 18.

  In the above configuration, the indoor high-humidity air sucked from the front surface of the main body 1 is blown out from the air outlet 14 to the laundry as dry air through the dehumidifying air passage 11, and the window side as compared with the room sucked from the rear surface of the main body 1. Compared with the case of sucking only from the indoor side, by mixing the relatively dry air of the air through the air passage 12 and blowing it out from the air outlet 14, it is possible to blow dry air having a high degree of dryness into the laundry with a large air volume. it can. Moreover, the drying efficiency of the laundry can be increased by raising the temperature of the air to be blown by the heater 17 and blowing warm air.

(Embodiment 3)
FIG. 6: is schematic sectional drawing which shows schematic structure and the flow of a wind of the dehumidifier concerning Embodiment 3 of this invention.

  In addition, the same thing as Embodiment 1 attaches | subjects the same symbol, and abbreviate | omits detailed description.

  As shown in FIG. 6, the dehumidifying air passage 11 provided inside the main body 1 sucks room air from the suction port 13 provided in the same direction as the dehumidifying outlet 21 by the second blower fan 8, and the heat exchanger 5. Is cooled and heat-exchanged, moisture is adsorbed by the dehumidifying rotor 2, and dry air is sent out of the main body 1 from the dehumidifying outlet 21. The blower air passage 12 allows the room air sucked from the same suction port 13 as the dehumidification air passage 11 by the third blower fan 9 to pass through the periphery of the connecting portion 6 without passing through the heat exchanger 5 and the dehumidification rotor 2. It cools and sends out the main body 1 from the blower outlet 22. A humidity sensor 30 is provided in the vicinity of the inlet 13 to detect indoor humidity. The blower outlet 22 is provided with a wind direction changing plate 23 that can freely change the blowing direction.

  In the above configuration, as shown in FIG. 7, when the humidity of the indoor air detected by the humidity sensor 30 is high, the air is changed to the window direction in which the blowing direction is opened by the wind direction changing plate 23, thereby releasing high-humidity air outside the room. Therefore, dehumidification can be performed while exhausting indoor high-humidity air. At this time, when the indoor humidity is 90% or more, the amount of air discharged from the window opened by sucking a large amount of indoor high-humidity air is increased by increasing the amount of air blown by the third blower fan 9. By increasing, indoor humidity can be reduced and it can be set as the environment where clothes are easy to dry.

  Further, as shown in FIG. 8, when the humidity of the indoor air is low, the low-humidity air can be supplied to the laundry with the wind direction changing plate 23 facing the room, so that a large amount of dry air can be efficiently applied to the laundry. Can be blown out. Thus, the clothes drying operation according to the level of indoor humidity can be performed, and the drying efficiency of the laundry can be improved.

  Further, in the case shown in FIG. 8, when the suction port 13, the dehumidifying blower outlet 21, and the blower blower outlet 22 are fixedly provided on the indoor side, the operation is performed when the indoor humidity detected by the humidity sensor 30 is high. The mode is set to “dehumidifying and blowing operation”, the air flow of the third blowing fan 9 in the blowing air passage 12 is reduced, the drying operation mainly for the dehumidifying air is performed by the dehumidifying air passage 11, and then the humidity sensor 30 is detected. When humidity becomes low, the air volume of the 3rd ventilation fan 9 can be increased, and it can be set as the drying operation of the ventilation main body from the ventilation air path 12. FIG.

(Embodiment 4)
FIG. 9: is schematic sectional drawing which shows schematic structure and the flow of a wind of the dehumidifier concerning Embodiment 4 of this invention. In addition, the same thing as Embodiment 1 attaches | subjects the same symbol, and abbreviate | omits detailed description.

  As shown in FIG. 9, the main body 1 has one double suction fan, and the two suction fans have an impeller in which a plurality of first blades 24 and second blades 25 are attached to both surfaces of a disk 26. A casing 27 for housing the impeller is provided. There is provided a dehumidifying air passage 11 through a first blade 24 that cools the heat exchanger 5 with indoor air sucked from the suction port 13 and adsorbs moisture to the dehumidifying rotor 2 and sends dry air from the outlet 14. Yes. Moreover, the ventilation air path 12 through the 2nd braid | blade 25 which sends out the indoor air attracted | sucked from the suction inlet 13 through the said blower outlet 14 is provided. A partition wall 28 for separating the blower air passage 12 and the dehumidification air passage 11 is provided inside the casing 27 inserted into the blower air passage 12 and the dehumidification air passage 11.

  In the above configuration, since the two air paths of the dehumidifying air path 11 and the blower air path 12 are configured by one both-suction blower fan, the component configuration can be simplified. The air path can be configured and the manufacturing cost can be reduced.

  As described above, the dehumidifier according to the present invention is provided with an air passage with low ventilation resistance to improve the air flow rate and increase the drying efficiency. The dehumidifier, the dryer, the clothes dryer, and the clothes drying washing machine It can also be applied to bathroom dryers or air conditioners.

Schematic sectional view of the dehumidifier of Embodiment 1 of the present invention Explanatory drawing which shows the test state of the clothes drying test of a dehumidifier Same as above, dryness time chart showing test results of clothes drying test Schematic sectional view of the dehumidifier of the second embodiment The same illustration when drying clothes Schematic sectional view of the dehumidifier of the third embodiment Explanatory drawing of blowing direction at high humidity Explanatory drawing of blowing direction at low humidity Same schematic sectional view of dehumidifier of embodiment 4 Schematic configuration diagram of a conventional dehumidifier

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Dehumidification rotor 3 Stepping motor 4 Heating heater 5 Heat exchanger 6 Connection part 7 1st ventilation fan 8 2nd ventilation fan 9 3rd ventilation fan 10 Closed circulation air path 11 Dehumidification air path 12 Blower air path 13 Suction inlet 14 Air outlet 15 Tank 16 Chamber box 17 Heater 18 Mixing air 19 Dehumidification inlet 20 Air supply inlet 21 Dehumidification outlet 22 Air outlet 23 Air direction change plate 24 First blade 25 Second blade 26 Disc 27 Casing 28 Bulkhead 30 Humidity sensor

Claims (7)

A disk-shaped dehumidifying rotor that adsorbs moisture in the air provided inside the main body, driving means for rotating the dehumidifying rotor, heat generating means for releasing water from the dehumidifying rotor, and the heat generating means from the dehumidifying rotor. A heat exchanger that condenses the discharged high-temperature and high-humidity air; a connection part that returns the high-temperature and high-humidity air that has passed through the heat exchanger to the heat generation means; and the heat generation means, a dehumidification rotor, a heat exchanger, and a connection part. The heat exchanger is cooled by the closed circulation air path by the first blower fan that closes and circulates the air passing in this order, and the room air sucked from the suction port, and moisture is adsorbed to the dehumidification rotor and dried from the blower outlet. and dividing Shimekazero the second blowing fan for sending air, the indoor air sucked from the suction port, passes around the connecting portion, the third air blowing fan for sending through the air outlet Becomes a Sofufuro by the wind passage sectional area in the connection portion is smaller than the wind passage sectional area in the heat exchanger, the blower air passage according to the third blowing fan, the second blowing fan A dehumidifier having less ventilation resistance than the dehumidifying air path . The dehumidifier according to claim 1, wherein a chamber box for mixing the blown air from the dehumidifying air passage and the blown air from the blower air passage is provided at the air outlet of the main body. The intake port for taking indoor air into the main body is composed of a dehumidification intake port of the dehumidification air passage and a blower intake port of the blow air passage, and the dehumidification intake port is provided in the same direction as the air outlet of the main body, The dehumidifier of Claim 1 or 2 provided in the direction opposite to a blower outlet. A dehumidifying air inlet of the dehumidifying air passage and a blower air inlet of the air blowing air passage are provided on the air outlet side of the main body, and this air outlet is provided with a wind direction changing plate on the discharge side of the air blowing air passage. The dehumidifier according to claim 1 or 2, wherein the dehumidifier is changed to the front or rear of the main body. The dehumidifier according to any one of claims 1 to 4 , wherein a heater is provided on a discharge side of the blower air passage. The dehumidifier according to any one of claims 1 to 5 , further comprising a ventilation operation mode in which the heat generating means or the heater is stopped and the second air blowing means and the third air blowing means can be operated simultaneously. The dehumidifier according to claim 1, wherein when the humidity detected by the humidity sensor provided at the suction port of the main body is large, the amount of air blown by the third air blowing means is reduced.

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