JP6975879B2 - Dehumidifier - Google Patents

Description

The present invention relates to a dehumidifying device that performs cooling dehumidification using a refrigeration cycle.

Conventionally, this type of dehumidifying device, as is well known, includes a main body case having an intake port and an air outlet, and a refrigerating cycle, a heat exchanger, and a blower provided in the main body case. The refrigeration cycle is formed by a compressor, a radiator, an expansion means, and a heat absorber sequentially provided downstream of the compressor, and the heat exchanger is a first heat exchange air passage and a first heat exchange air passage capable of heat exchange. It is equipped with two heat exchange air passages, and the air taken into the main body case from the intake port by the blower is taken into the main body case by the first heat exchange air passage of the heat exchanger, the heat exchanger, and the second heat exchange air passage of the heat exchanger. , A dehumidifying air passage that sequentially blows air to the air outlet through a radiator was formed (for example, the following Patent Document 1 exists as a prior document similar to this).

Japanese Unexamined Patent Publication No. 2005-214533

Conventionally, in this type of dehumidifying device, the air taken into the main body case from the intake port by a blower is taken into the first heat exchange air passage of the heat exchanger, the heat exchanger, and the second heat exchange air passage of the heat exchanger. It has a dehumidifying air passage that blows air to the outlet through the radiator in sequence. It is effective to increase the air flow in order to dry the laundry in the room quickly, but since there is a heat exchanger in the dehumidifying air passage and the air passage resistance is large, increasing the air volume also increases the noise.

Therefore, the present invention solves the above-mentioned conventional problems, and by reducing the air passage resistance, the increase in noise of the dehumidifying device is suppressed, the air volume is increased, and the drying time of the laundry dried in the room is shortened. The purpose is to do.

In order to achieve the above object, the dehumidifying device of the present invention includes a main body case having a first intake port, a second intake port and an air outlet, a refrigeration cycle and an air blower provided in the main body case. A heat exchanger having a first heat exchange air passage and a second heat exchange air passage capable of performing heat exchange is provided, and the refrigerating cycle is sequentially provided in a compressor and downstream of the compressor. The blower is formed by a radiator, an expansion means, and a heat absorber, and the blower includes a first blade portion for blowing air taken into the main body case from the first intake port to the outlet, and the second blade portion. It has a second blade portion that blows air taken into the main body case from the intake port of the above to the air outlet, and is sucked into the main body case from the first intake port by the first blade portion. The first dehumidifying air passage that sequentially blows the generated air to the air outlet through the heat absorber and the second heat exchange air passage of the heat exchanger, and the first blade portion. A second dehumidifying air passage that blows air taken into the main body case from the intake port to the air outlet through the first heat exchange air passage of the heat exchanger, and the second blade portion. It has a warm air passage that blows air taken into the main body case from the second intake port to the air outlet through the radiator, and the opening area of the first intake port is , greater than the opening area of the second intake port, a second blowing rate of the second blade portion, characterized in that greater than the first blowing rate of the first blade portion, thereby the desired It achieves the purpose of.

According to the present invention, by reducing the air passage resistance, it is possible to provide a dehumidifying device having an effect of suppressing an increase in noise of the dehumidifying device, increasing the air volume, and shortening the drying time of laundry dried in a room. ..

Schematic diagram showing the inside of the main body case of the dehumidifying device according to the first embodiment of the present invention. Exploded view of the heat exchanger of the dehumidifier Schematic diagram showing the inside of the main body case of the dehumidifying device according to the second embodiment of the present invention.

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

(Embodiment 1)
As shown in FIG. 1, the main body case 1 of the dehumidifying device has a substantially box shape, and the first intake port 2 is on the front side of the outer surface, and the second intake port 3 is on the back side of the outer surface. And has an air outlet 4 at the upper part.

The main body case 1 includes a refrigerating cycle 5, a heat exchanger 6, a blower device 7, a water collecting unit 8, and a water collecting tank 9.

The refrigeration cycle 5 includes a compressor 10, a radiator 11 sequentially provided downstream of the compressor 10, a capillary tube as an expansion means 12, and a heat absorber 13, and these are connected in this order by a refrigerant pipe 14 to perform a refrigeration cycle. Is forming. The heat absorber 13 and the radiator 11 are arranged so as to face each other. A heat exchanger 6 and a blower 7 are provided between the heat exchanger 13 and the radiator 11 in this order from the heat exchanger 13 side. The heat absorber 13 is arranged to face the first intake port 2 in the main body case 1, and the radiator 11 is arranged to face the second intake port 3 in the main body case 1. The first intake port 2, the heat absorber 13, the heat exchanger 6, the blower 7, the radiator 11, and the second intake port 3 are arranged in a straight line in the front-rear direction of the main body case 1.

The heat exchanger 6 has a shape in which the lower surface of the rectangular parallelepiped is inclined, and is provided between the heat absorber 13 and the blower device 7 in the air passage from the heat absorber 13 to the blower device 7. The heat exchanger 6 has a first heat exchange air passage 15 and a second heat exchange air passage 16 capable of performing heat exchange. As shown in FIG. 2, specifically, the heat exchanger 6 is a orthogonal flow type, and the first heat exchange air passage 15 is a vertical air passage in the heat exchanger 6, and is a second. The heat exchange air passage 16 is a horizontal air passage in the heat exchanger 6. The heat exchanger 6 is, for example, a heat exchanger, which is formed by alternately laminating a first heat transfer plate 17 and a second heat transfer plate 18 made of resin, metal, or the like. The first heat transfer plate 17 includes a large number of horizontally extending first ribs 19, and the second heat transfer plate 18 includes a large number of vertically extending second ribs 20. The first heat exchange air passage 15 is an air passage surrounded by a first heat transfer plate 17, a second heat transfer plate 18, and a plurality of second ribs 20. The second heat exchange air passage 16 is an air passage surrounded by a first heat transfer plate 17, a second heat transfer plate 18, and a plurality of first ribs 19.

As shown in FIG. 1, the blower portion 7 has a casing portion 21, a motor portion 22, a first blade portion 23, and a second blade portion 24.

The casing portion 21 is a scroll surface sandwiched between a first surface 25 facing the heat exchanger 6, a second surface 26 facing the radiator 11, and a first surface 25 and a second surface 26. It has 27 and. The first surface 25 has a first suction port 28 having a circular opening, the second surface 26 has a second suction port 29 having a circular opening, and the upper part of the scroll surface 27 has a quadrangle. It has a discharge port 30 which is an opening of the above.

The motor portion 22 is fixed to the second surface 26 of the casing portion 21, and a rotation shaft (not shown) extends horizontally from the motor portion 22 in the direction of the heat exchanger 6. The first blade portion 23 and the second blade portion 24 are fixed to the rotation shaft.

The first blade portion 23 and the second blade portion 24 are integrally formed. As an example, the first blade portion 23 and the second blade portion 24 are sirocco fans that are integrated by resin molding and whose blade portions extend from both sides of the main plate portion. In the first blade portion 23, a disk-shaped main plate portion 32 and a large number of first blade portions 33 extend horizontally from the main plate portion 32 in the direction of the heat exchanger 6. The second blade portion 24 has a disk-shaped main plate portion 32 and a large number of second blade portions 34 extending horizontally from the main plate portion 32 in the direction of the radiator 11.

The main body case 1 has a first dehumidifying air passage 35, a second dehumidifying air passage 36, and a warm air passage 37. The first dehumidifying air passage 35 includes a first intake port 2, a heat absorber 13, a second heat exchange air passage 16 of the heat exchanger 6, a first suction port 28 of the casing portion 21, and a first blade portion. 23. It is an air passage that communicates with the air outlet 4 through the discharge port 30 of the casing portion 21. The second dehumidifying air passage 36 includes a first intake port 2, a first heat exchange air passage 15 of the heat exchanger 6, a first suction port 28 of the casing portion 21, a first blade portion 23, and a casing portion. It is an air passage that communicates with the air outlet 4 through the discharge port 30 of 21. The warm air passage 37 reaches the outlet 4 via the second intake port 3, the radiator 11, the second suction port 29 of the casing portion 21, the second blade portion 24, and the discharge port 30 of the casing portion 21. It is a communication channel.

When the blower device 7 operates, in the first dehumidifying air passage 35, the air taken into the main body case 1 from the first intake port 2 by the first blade portion 23 is blown to the heat absorber 13, and the heat absorber 13 is operated. It is cooled and dehumidified through. The cooled and dehumidified air enters the second heat exchange air passage 16 from the second inflow port 38 of the heat exchanger 6, exchanges heat with the air flowing in from the first inflow port 39, is heated, and is heated. It exits from the outlet 40 of 2 and is blown out of the main body case 1 by the first blade portion 23.

Further, when the blower device 7 operates, in the second dehumidifying air passage 36, the air taken into the main body case 1 from the first intake port 2 by the first blade portion 23 is the upper surface of the heat exchanger 6. It enters the first heat exchange air passage 15 from the first inflow port 39, and exchanges heat with the air cooled and dehumidified by the heat absorber 13 already flowing from the second inflow port 38 through the second heat exchange air passage 16. It is cooled and dehumidified and exits from the first outlet 41, which is the lower surface of the heat exchanger 6. The cooled and dehumidified air is blown out of the main body case 1 by the first blade portion 23. During cooling and dehumidification, the dew condensation water generated by the first heat exchange air passage 15 of the heat exchanger 6 and the endothermic 13 is dropped onto the water collecting section 8 and passed through the communication hole 42 of the water collecting section 8. Drop into the water collection tank 9.

Further, when the blower device 7 operates, in the warm air passage 37, the air taken into the main body case 1 from the second intake port 3 by the second blade portion 24 is blown to the radiator 11 and the radiator 11 is operated. Heated through. This heated air is blown out of the main body case 1 by the second blade portion 24.

The water collecting portion 8 has a funnel shape and is provided below the heat absorber 13 and the heat exchanger 6. The water collecting portion 8 has a cylindrical communication hole 42 having a central axis extending in the vertical direction on the bottom surface. The water collecting unit 8 collects the dew condensation water dripping from the heat absorber 13 and the heat exchanger 6, and the collected dew condensation water drips from the communication hole 42 into the water collecting tank 9. The water collecting portion 8 covers the lower part of the heat absorber 13 and the heat exchanger 6 and forms a part of the air passage.

The water collecting tank 9 has a deep dish shape, is below the water collecting portion 8, and is detachably attached to the main body case 1 below the heat absorber 13, the heat exchanger 6, the blower 7, and the radiator 11. Is located in. As a result, even when the dew condensation water is dropped from the blower device 7, it can be collected in the water collecting tank 9. The water collecting tank 9 is arranged on one side of the main body case 1 in the left-right direction, and the compressor 10 is arranged on the other side of the main body case 1 in the left-right direction. The dimension in the front-rear direction of the main body case 1 of the water collecting tank 9 is one size smaller than the dimension from the front surface to the back surface of the main body case 1. The left-right dimension of the main body case 1 of the water collecting tank 9 is larger than the front-rear dimension of the main body case 1 of the water collecting tank 9. As a result, the water storage capacity of the water collecting tank 9 can be improved.

The feature of this embodiment is that the first dehumidifying air passage 35, the second dehumidifying air passage 36, and the second dehumidifying air passage 24, which are blown by the first blade portion 23, blow air into the main body case 1. It has a warm air passage 37, and the second air volume of the second blade portion 24 is larger than the first air volume of the first blade portion 23.

Specifically, in addition to the first dehumidifying air passage 35 having the heat exchanger 6 and the second dehumidifying air passage 36, the warm air air passage 37 having no heat exchanger 6 is provided. The road resistance decreases and the air volume increases. Further, since the warm air passage 37 blown by the second blade portion 24 does not have an air passage passing through the heat exchanger 6, the first dehumidifying air passage 35 blown by the first blade portion 23 The air passage resistance of the warm air passage 37 is smaller than the air passage resistance of the combination of the second dehumidifying air passage 36 and the second dehumidifying air passage 36. In the blower device 7, the axial dimension of the rotating shaft in the second blade portion 24 is larger than the axial dimension of the rotating shaft in the first blade portion 23, and the length of the second blade portion 34 is the second. It is longer than the length of the wing portion 33 of 1. As a result, the second air volume, which is the air heated in the warm air passage 37 that does not pass through the heat exchanger 6, is the air cooled and dehumidified in the first dehumidifying air passage 35 and the second dehumidifying air passage 36. It becomes larger than the first air volume.

In this way, by increasing the air volume in the warm air passage 37 having a small air passage resistance, it is possible to suppress the increase in noise and increase the air volume. The amount of air heated by the radiator 11 increases, the amount of air blown to the laundry dried in the room increases, and the laundry dried in the room becomes easier to dry. Further, the amount of heat radiated from the radiator 11 is increased, and the dehumidifying efficiency of the heat absorber 13 is improved.

Further, the first intake port 2 is arranged on the front side of the main body case 1. Since the air volume passing through the first intake port 2 is smaller than that of the second intake port 3, noise is reduced as compared with the second intake port 3. As a result, arranging the second intake port 3 on the front side of the main body case 1 reduces noise on the front side of the main body case 1 rather than arranging the second intake port 3 on the front side of the main body case 1. can do.

Further, the blower device 7 has a motor portion 22 for rotating the first blade portion 23 and the second blade portion 24, and the first blade portion 23 and the second blade portion 24 are integrally formed. ing. The motor unit 22 is arranged in the warm air passage 37 between the second blade unit 24 and the radiator 11.

As a result, since the motor section 22 is arranged in the warm air passage 37 between the second blade section 24 and the radiator 11, the waste heat generated in the motor section 22 is also used to obtain the warm air air. It contributes to an increase in the temperature of the air flowing through the road 37, and has the effect of making the laundry dried in the room easier to dry.

Further, when the blades are integrally formed of resin, the number of molds for the blades becomes one, and the mold cost can be reduced. The air volume balance is the blade length ratio of the first blade portion 33 of the first blade portion 23 and the second blade portion 34 of the second blade portion 24, and the blade diameter of the first blade portion 23 and the second blade. It is possible to adjust by various methods such as the blade diameter ratio of the blade diameter of the part 24 and the opening area ratio of the first intake port 2 and the second intake port 3, and it is optimal considering the advantages and disadvantages of each. You can choose a solution.

Further, since the motor portion 22 is arranged in the warm air passage 37 between the second blade portion 24 and the radiator 11, the first dehumidifying air passage 35 having the heat exchanger 6 and the second dehumidifying air passage 35 and the second Compared to the dehumidifying air passage 36, the effect on the air passage resistance is limited, and by using the waste heat generated in the motor unit 22, it contributes to the rise in the air temperature flowing through the warm air air passage 37, and the laundry dried in the room. Has the effect of making it easier to dry.

(Embodiment 2)
FIG. 3 is a schematic view of the dehumidifying device of the second embodiment of the present invention in the second embodiment of the present invention. The same components as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 3, the difference from the first embodiment is the blower 7. The blower device 7 has a casing portion 21, a first blade portion 23, a second blade portion 24, a partition plate 43, and a motor portion 22.

The casing portion 21 is a scroll surface sandwiched between a first surface 25 facing the heat exchanger 6, a second surface 26 facing the radiator 11, and a first surface 25 and a second surface 26. It has 27 and. The first surface 25 has a first suction port 28 having a circular opening, the second surface 26 has a second suction port 29 having a circular opening, and the scroll surface 27 has a rectangular opening. It has a discharge port 30 which is.

The first blade portion 23 and the second blade portion 24 are sirocco fans whose blade portions extend from one side surface of the main plate portion. In the first blade portion 23, a large number of first blade portions 33 extend horizontally from the disk-shaped first main plate portion 32a and the first main plate portion 32a in the direction of the heat exchanger 6. In the second blade portion 24, a large number of second blade portions 34 extend horizontally from the disk-shaped second main plate portion 32b and the second main plate portion 32b in the direction of the radiator 11.

The partition plate 43 has a plate shape, is arranged between the first blade portion 23 and the second blade portion 24, and is fixed to the casing portion 21.

The motor unit 22 is fixed to the partition plate 43, and the first rotation axis (not shown) extends horizontally from the motor unit 22 in the direction of the heat exchanger 6, and the first rotation axis (not shown) horizontally extends from the motor unit 22 in the direction of the radiator. The axis of rotation (not shown) of 2 is extended. The first blade portion 23 is fixed to the first rotation shaft, and the second blade portion 24 is fixed to the second rotation shaft.

As a result, the motor portion 22 is not arranged in the air passage but is arranged between the first blade portion 23 and the second blade portion 24, so that the air passage resistance is reduced and the air volume is increased. .. As a result, the dehumidification efficiency is improved.

The dehumidifying device according to the present invention is useful as a dehumidifying device for homes and offices for drying laundry dried in a room.

1 Main body case 2 1st intake port 3 2nd intake port 4 Outlet 5 Refrigeration cycle 6 Heat exchanger 7 Blower 8 Water collector 9 Water collection tank 10 Compressor 11 Radiator 12 Expansion means 13 Heat absorber 14 Refrigerant Piping 15 1st heat exchange air passage 16 2nd heat exchange air passage 17 1st heat transfer plate 18 2nd heat transfer plate 19 1st rib 20 2nd rib 21 Casing part 22 Motor part 23 1st Blade part 24 Second blade part 25 First surface 26 Second surface 27 Scroll surface 28 First suction port 29 Second suction port 30 Discharge port 32 Main plate part 33 First wing part 32a First Main plate part 32b Second main plate part 34 Second wing part 35 First dehumidifying air passage 36 Second dehumidifying air passage 37 Warm air passage 38 Second inflow port 39 First inflow port 40 Second flow Outlet 41 First outflow port 42 Communication hole 43 Partition plate

Claims (7)

A main body case having a first intake port, a second intake port, and an outlet,
The refrigeration cycle and the blower provided in the main body case,
A heat exchanger having a first heat exchange air passage and a second heat exchange air passage capable of performing heat exchange is provided.
The refrigeration cycle is formed by a compressor and a radiator, an expansion means, and a heat absorber sequentially provided downstream of the compressor.
The blower includes a first blade portion that blows air taken into the main body case from the first intake port to the air outlet.
It has a second blade portion that blows air taken into the main body case from the second intake port to the outlet.
The air taken into the main body case from the first intake port by the first blade portion is sequentially passed through the heat absorber and the second heat exchange air passage of the heat exchanger to the outlet. The first dehumidifying air passage that blows air,
A second blade portion that blows air taken into the main body case from the first intake port to the air outlet through the first heat exchange air passage of the heat exchanger. Dehumidifying air passage and
The second blade portion has a warm air passage for blowing air taken into the main body case from the second intake port to the air outlet via the radiator.
The opening area of the first intake port is larger than the opening area of the second intake port.
A dehumidifying device characterized in that the second air volume of the second blade portion is larger than the first air volume of the first blade portion. The dehumidifying device according to claim 1, wherein the axial dimension of the rotating shaft in the second blade portion is larger than the axial dimension of the rotating shaft in the first blade portion. The dehumidifying device according to claim 1 or 2, wherein the first intake port is arranged on the front side of the main body case. The blower is
It has a motor unit that rotates the first blade portion and the second blade portion, and has a motor portion.
The first blade portion and the second blade portion are integrally formed.
The motor unit is
The dehumidifying device according to claim 2 or 3, wherein the dehumidifying device is arranged in the warm air passage between the second blade portion and the radiator. The blower is
It has a motor unit that rotates the first blade portion and the second blade portion, and has a motor portion.
The dehumidifying device according to claim 2 or 3, wherein the motor portion is arranged between the first blade portion and the second blade portion. The first intake port, the heat absorber, the heat exchanger, the blower, the radiator, and the like.
The second intake port is arranged in a straight line and is arranged.
Below the endothermic absorber and the heat exchanger, a water collecting portion for collecting the condensed water dripping from the endothermic absorber and the heat exchanger is provided.
A claim characterized in that a water collecting tank for storing condensed water dripping from the water collecting part is provided below the water collecting part, the heat absorber, the heat exchanger, the blower, and the radiator. Item 6. The dehumidifying device according to any one of Items 1 to 5. The first intake port, the heat absorber, the heat exchanger, the blower, the radiator, and the like.
The second intake port is arranged in a straight line in the front-rear direction in the main body case.
The dimensions of the main body case of the water collection tank in the left-right direction are
The dehumidifying device according to claim 6, wherein the size of the main body case of the water collecting tank is larger than that in the front-rear direction.

Images