CN220958717U - Dehumidifier - Google Patents

Abstract

The utility model discloses a dehumidifier, comprising: the shell is provided with an air inlet and an air outlet; a compressor; the condenser is opposite to the air outlet; the evaporator is opposite to the air inlet; a water receiving tank for receiving condensed water flowing down from the evaporator; a connecting line, the connecting line comprising: one end of the first pipeline is communicated with the condenser; one end of the second pipeline is communicated with the other end of the first pipeline; one end of the third pipeline is communicated with the other end of the second pipeline, and the other end of the third pipeline is communicated with the evaporator; the second pipeline is positioned in the water receiving tank. The second pipeline is immersed in the condensed water of the water receiving tank, and the refrigerant in the second pipeline exchanges heat in the condensed water, so that the temperature of the refrigerant flowing into the evaporator is reduced, and the dehumidification capacity of the dehumidifier is improved; correspondingly, the temperature of the condensed water is increased, and the condensation generated by the low-temperature condensed water at the bottom of the water receiving tank is reduced.

Description

Dehumidifier

Technical Field

The utility model relates to the technical field of dehumidifiers, in particular to a dehumidifier.

Background

The working condition range of the dehumidifier is wide in requirement, and the working environment of the dehumidifier can reach high temperature of about thirty to fifty degrees in the environments of factories, warehouses and the like in summer. However, in a high-temperature and high-humidity environment, the dehumidifier has large load and high power consumption of the compressor and the condenser.

A drainage groove is arranged below the evaporator and is used for receiving condensed water flowing down by the evaporator.

However, the temperature at the bottom of the drainage tank is low, condensed water is directly drained away, and the cold energy is wasted; the low-temperature condensed water makes the drain tank easy to generate condensation.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the dehumidifier, the second pipeline is immersed in the condensed water of the water receiving tank, and the refrigerant in the second pipeline exchanges heat in the condensed water, so that the temperature of the refrigerant flowing into the evaporator is reduced, and the dehumidification capacity of the dehumidifier is improved; correspondingly, the temperature of the condensed water is increased, and the condensation generated by the low-temperature condensed water at the bottom of the water receiving tank is reduced.

According to an embodiment of the utility model, a dehumidifier includes: the shell is provided with an air inlet and an air outlet; the compressor is arranged in the shell and compresses a refrigerant; the condenser is arranged in the shell and opposite to the air outlet, is communicated with the compressor, and is used for releasing latent heat to the surrounding by condensing the refrigerant and heating the air passing through the evaporator; the evaporator is arranged in the shell and opposite to the air inlet, is communicated with the compressor and is communicated with the condenser, and absorbs ambient latent heat by evaporating a refrigerant so as to condense water vapor in the air and generate condensed water; further comprises: the water receiving tank is arranged in the shell, is positioned below the evaporator and is used for receiving condensed water flowing down by the evaporator; a connection pipe connected between the condenser and the evaporator, through which a refrigerant flows from the condenser to the evaporator; wherein, the connecting line includes: one end of the first pipeline is communicated with the condenser; one end of the second pipeline is communicated with the other end of the first pipeline; one end of the third pipeline is communicated with the other end of the second pipeline, and the other end of the third pipeline is communicated with the evaporator; the second pipeline is positioned in the water receiving tank, and is immersed in the condensed water in the water receiving tank so as to be used for reducing the temperature of the refrigerant through the condensed water.

According to the dehumidifier disclosed by the embodiment of the utility model, the second pipeline is immersed in the condensed water of the water receiving tank, and the refrigerant in the second pipeline exchanges heat in the condensed water, so that the temperature of the refrigerant flowing into the evaporator is reduced, and the dehumidification capacity of the dehumidifier is improved; correspondingly, the temperature of the condensed water is increased, and the condensation generated by the low-temperature condensed water at the bottom of the water receiving tank is reduced.

According to some embodiments of the utility model, the water receiving tank is provided with a drain hole, the drain hole protrudes out of the bottom wall of the water receiving tank, and the upper end surface of the second pipeline is lower than the upper end surface of the drain hole.

According to some embodiments of the utility model, the dehumidifier further comprises: the water tank is arranged below the water receiving tank; and one end of the drainage pipeline is connected with the drainage hole, and the other end of the drainage pipeline is communicated with the water tank.

According to some embodiments of the utility model, the second pipeline comprises: the plurality of first sub-pipelines are sequentially communicated, the plurality of first sub-pipelines are arranged in the water receiving groove at intervals, and the flow directions of refrigerants in two adjacent first sub-pipelines are opposite.

According to some embodiments of the utility model, the water receiving tank comprises: a bottom wall located directly below the evaporator; the side wall is fixedly connected with the bottom wall, is arranged around the periphery of the bottom wall and is bent relative to the bottom wall.

According to some embodiments of the utility model, the cross section of the water receiving groove is tapered from top to bottom.

According to some embodiments of the utility model, the dehumidifier further comprises: a throttle valve; the third pipeline includes: and one end of the second sub-pipeline is communicated with the second pipeline, and the other end of the second sub-pipeline is communicated with the other end of the throttle valve.

According to some embodiments of the utility model, the dehumidifier further comprises: a high pressure line connected between the compressor and the condenser; and the low-pressure pipeline is connected between the compressor and the evaporator.

According to some embodiments of the utility model, the compressor comprises: the air outlet is formed in the position, at the other end, of the high-pressure pipeline, and one end of the high-pressure pipeline is communicated with the air outlet and the other end of the high-pressure pipeline is communicated with the condenser; and one end of the low-pressure pipeline is communicated with the evaporator, and the other end of the low-pressure pipeline is communicated with the air return port.

According to some embodiments of the utility model, at least two first heat exchange pipelines are arranged in the condenser, one end of each first heat exchange pipeline is communicated with the high-pressure pipeline, and the other end of each first heat exchange pipeline is communicated with the first pipeline; and/or at least two second heat exchange pipelines are arranged in the evaporator, one end of each second heat exchange pipeline is communicated with the low-pressure pipeline, and the other end of each second heat exchange pipeline is communicated with the third pipeline.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of a dehumidifier according to a first embodiment of the present utility model;

Fig. 2 is a schematic structural view of a dehumidifier according to a second embodiment of the present utility model;

fig. 3 is a schematic structural view of a dehumidifier according to a third embodiment of the present utility model;

Fig. 4 is a schematic structural view of a water receiving tank and a connecting pipeline according to an embodiment of the utility model.

Reference numerals:

100. A dehumidifier;

10. a compressor;

20. a condenser;

30. an evaporator;

41. A first pipeline; 42. a second pipeline; 421. a first sub-line; 43. a third pipeline; 431. a second sub-line;

50. A water receiving tank; 51. a drain hole; 52. a bottom wall; 53. a sidewall;

61. A high pressure line; 62. a low pressure line.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

Referring to fig. 1 to 4, a dehumidifier 100 according to an embodiment of the present utility model is described below.

When the dehumidifier 100 is operated, the wet air is sucked into the air inlet under the action of the fan, then the moisture in the air is condensed by the evaporator 30, the air moisture is condensed and then collected into the water tank, and the air which is dried is discharged from the air outlet by the condenser 20.

As shown in fig. 1 to 3, the dehumidifier 100 includes: a housing, a compressor 10, a condenser 20, an evaporator 30, a water receiving tank 50, and connecting pipes.

The refrigerant is discharged from the compressor 10 and flows to the condenser 20, and gives off heat at the condenser 20 to heat the air; the refrigerant then flows to the evaporator 30, and absorbs heat of the air at the evaporator 30, and moisture in the air condenses to form condensed water, which drops into the water receiving tank 50 under the action of gravity.

The shell is provided with an air inlet and an air outlet, and indoor air can enter the shell from the air inlet, and after heat exchange and dehumidification are carried out on the evaporator 30 and the condenser 20 and the refrigerant, the indoor air flows into the room from the air outlet.

The dehumidifier 100 further includes: the fan rotates to drive indoor air to enter the shell from the air inlet, the air flows to the evaporator 30 and the condenser 20, and the air flows into the room from the air outlet after exchanging heat with the refrigerant at the condenser 20 and the evaporator 30.

The compressor 10 is disposed in the housing, and the compressor 10 compresses a refrigerant. The compressor 10 compresses the refrigerant such that the low-pressure refrigerant is changed into a high-pressure gaseous refrigerant. The low-pressure refrigerant enters the compressor 10 from the air return port, the compressor 10 compresses the low-pressure refrigerant into a high-pressure refrigerant, the high-pressure refrigerant is discharged from the compressor 10, the refrigerant releases heat at the condenser 20, absorbs heat at the evaporator 30 after decompression, and finally returns to the compressor 10.

The evaporator 30 is arranged at one side of the air inlet, the condenser 20 is arranged at one side of the air outlet, after the fan drives air to enter from the air inlet, the air flows through the evaporator 30 to exchange heat with the refrigerant at the evaporator 30, the refrigerant absorbs the heat of the air, the temperature of the air is reduced, and the moisture in the air is condensed to form condensed water; the air from which the moisture is separated flows to the condenser 20 again, the heat is exchanged with the refrigerant at the condenser 20, the refrigerant gives off heat, the temperature of the air is increased, the dried air enters the room from the air outlet, the humidity of the air is reduced, and the dehumidification of the air is realized.

The evaporator 30 is arranged in the shell, the evaporator 30 is opposite to the air inlet, the fan rotates to suck indoor air from the air inlet, the air exchanges heat with a refrigerant at the evaporator 30, the air condenses to separate out condensed water, and the humidity of the air is reduced. The evaporator 30 is communicated with the condenser 20, and air from which condensed water is precipitated flows from the evaporator 30 to the condenser 20, and the air exchanges heat with the refrigerant at the condenser 20 to absorb heat of the refrigerant, and the evaporator 30 is communicated with the compressor 10, and the refrigerant returns to the compressor 10 after absorbing heat at the evaporator 30.

The condenser 20 is arranged in the shell, and the condenser 20 is opposite to the air outlet, so that air after heat exchange between the condenser 20 and the refrigerant enters the room from the air outlet. The condenser 20 is communicated with the compressor 10, the high-temperature and high-pressure refrigerant in the compressor 10 flows to the condenser 20, the refrigerant condenses at the condenser 20 to release latent heat to the surrounding, the other end of the condenser 20 is communicated with the compressor 10, the air flowing from the evaporator 30 is heated, the air absorbs heat emitted by the refrigerant at the condenser 20, and finally the air enters the room from the air outlet.

The dehumidifier 100 includes an internal circulation, which refers to circulation of a refrigerant inside the dehumidifier 100. The high-temperature and high-pressure refrigerant flows from the compressor 10 to the condenser 20, and the refrigerant emits heat at the condenser 20 to become a low-temperature and high-pressure refrigerant; the refrigerant with low temperature and low pressure is formed after throttling and depressurization and then flows to the evaporator 30, and the heat is absorbed by the evaporator 30 to form the refrigerant with high temperature and low pressure; finally, the refrigerant returns to the compressor 10 to be compressed, so that a high-temperature and high-pressure refrigerant is formed and discharged, and the circulation of the refrigerant is realized.

The dehumidifier 100 includes: the external circulation refers to the circulation of air inside and outside the dehumidifier 100. The moist air enters the shell from the air inlet, the refrigerant absorbs heat of the air at the evaporator 30, the moist air is separated out to become dry low-temperature air, the dry low-temperature air flows to the condenser 20 to exchange heat with the refrigerant, the refrigerant releases heat at the condenser 20, and the dry low-temperature air becomes dry normal-temperature air.

Referring to fig. 1 to 4, the dehumidifier 100 further includes: the water receiving tank 50, the water receiving tank 50 is disposed in the housing, the water receiving tank 50 is located below the evaporator 30, and is used for receiving condensed water flowing down from the evaporator 30. The water receiving tank 50 corresponds to the evaporator 30, indoor air enters the inside of the shell from the air inlet, and the refrigerant at the evaporator 30 absorbs heat of the air, so that water is separated out from the air to form condensed water, the condensed water flows to the water receiving tank 50 under the action of gravity, and the condensed water is prevented from flowing to other positions to cause corrosion of other elements in the dehumidifier 100.

The connection line is connected between the condenser 20 and the evaporator 30, and the refrigerant flows from the condenser 20 to the evaporator 30 through the connection line. The refrigerant flows out of the compressor 10, firstly gives off heat at the condenser 20, then flows to the evaporator 30 through the connecting pipeline, absorbs heat at the evaporator 30, and finally returns to the compressor 10 from the evaporator 30.

Wherein, the connecting line includes: the first pipe 41, the second pipe 42, and the third pipe 43, the second pipe 42 being connected between the first pipe 41 and the third pipe 43, the second pipe 42 communicating the first pipe 41 and the third pipe 43. One end of the first pipe 41 communicates with the condenser 20, and the other end of the first pipe 41 communicates with one end of the second pipe 42, thereby communicating the second pipe 42 with the condenser 20; the other end of the second pipe 42 communicates with one end of the third pipe 43, and thus communicates with the condenser 20 and the third pipe 43, and the other end of the third pipe 43 communicates with the evaporator 30, so that the communication pipe communicates with the condenser 20 and the evaporator 30.

The second pipeline 42 is located in the water receiving tank 50, and the second pipeline 42 is immersed in the condensed water in the water receiving tank 50 so that the refrigerant exchanges heat in the condensed water. The second pipeline 42 is arranged in the water receiving tank 50, the water receiving tank 50 receives condensed water, the condensed water forms accumulated water in the water receiving tank 50, the second pipeline 42 is immersed in the accumulated water, the refrigerant in the second pipeline 42 exchanges heat in the condensed water, and the low-temperature condensed water reduces the temperature of the refrigerant, so that the temperature of the refrigerant entering the evaporator 30 is lower, and the dehumidification capacity of the dehumidifier 100 is improved.

After the dehumidifier 100 is turned on, indoor air enters the inside of the shell from the air inlet, flows through the evaporator 30 under the action of the fan and exchanges heat with the refrigerant at the evaporator 30, the refrigerant absorbs heat of the air, the air temperature is reduced, water is separated out, condensed water is formed, and the condensed water flows into the water receiving tank 50. After a period of time, condensed water with a certain height is accumulated in the water receiving tank 50, the second pipeline 42 is immersed in the condensed water, the temperature of the condensed water is low, the refrigerant flowing out of the compressor 10 emits heat at the condenser 20, air is heated, the condensed water cools the refrigerant in the second pipeline 42, so that the temperature of the refrigerant entering the evaporator 30 is lower, and the dehumidification effect of the dehumidifier 100 is ensured.

In addition, the refrigerant in the second pipeline 42 increases the temperature of the condensed water, so as to reduce the problem of dew dripping at the bottom of the water receiving tank 50 caused by low-temperature condensed water.

Thus, the second pipe 42 is immersed in the condensed water in the water receiving tank 50, and the refrigerant in the second pipe 42 exchanges heat in the condensed water, so that the temperature of the refrigerant flowing into the evaporator 30 is reduced, and the dehumidification amount of the dehumidifier 100 is increased; accordingly, the condensed water increases in temperature, reducing dew generated at the bottom of the water receiving tank 50 due to the low-temperature condensed water.

As shown in fig. 2 to 4, the water receiving tank 50 is provided with a drain hole 51, the drain hole 51 protrudes from a bottom wall 52 of the water receiving tank 50, the upper end surface of the second pipeline 42 is lower than the upper end surface of the drain hole 51, and the upper end surface of the drain hole 51 has a certain height from the bottom wall 52 of the water receiving tank 50, so that condensed water can be discharged only when the height of the condensed water in the water receiving tank 50 is higher than the height of the drain hole 51, i.e. the condensed water can be accumulated in the water receiving tank 50. The upper end surface of the drain hole 51 is higher than the upper end surface of the second pipe 42, so that the second pipe 42 can be completely immersed in the condensed water, the refrigerant exchanges heat with the condensed water in the second pipe 42 sufficiently, the temperature of the refrigerant entering the evaporator 30 is lower, and the dehumidification capacity is improved.

In some embodiments, the dehumidifier 100 further comprises: a water tank is provided below the water receiving tank 50. When the accumulated water height of the condensed water is higher than the drain hole 51, the condensed water flows into the water tank from the drain hole 51, and the water tank is used for collecting the condensed water.

In some embodiments, the water tank is provided with a water inlet and a water outlet, the water inlet is communicated with the drain hole 51, and condensed water flows out of the drain hole 51 and enters the water tank through the water inlet. When the water discharge is required to be opened, the water outlet is opened, and the water in the water tank can be discharged, or when the dehumidifier 100 stops operating, the water tank is taken out, thereby discharging the water in the water tank.

The dehumidifier 100 further includes: and a drain pipe, one end of which is connected to the drain hole 51, and the other end of which is communicated with the tank, that is, the drain hole 51 and the tank are communicated through the drain pipe. The lower end of the drain hole 51 protrudes from the lower end surface of the water receiving tank 50, and the drain pipe is sleeved on the outer peripheral side of the lower end of the drain hole 51, so that condensed water flows into the water tank through the drain hole 51 and the drain pipe when the condensed water is higher than the upper end surface of the drain hole 51, and the water tank plays a role in storing the condensed water.

As shown in fig. 4, the second pipe 42 includes: the first sub-pipelines 421 are sequentially communicated with each other. The second pipe 42 includes a plurality of first sub-pipes 421 bent with each other, and the plurality of first sub-pipes 421 are sequentially connected, wherein one of the first sub-pipes 421 is connected to the first pipe 41 to be connected to the condenser 20, and the other first sub-pipe 421 is connected to the third pipe 43 to be connected to the evaporator 30, i.e., to the condenser 20 and the evaporator 30.

It can be appreciated that the plurality of first sub-pipelines 421 makes the refrigerant circulate in the second pipeline 42 longer, and the refrigerant exchanges heat with the condensed water sufficiently, so as to further reduce the temperature of the refrigerant entering the evaporator 30 and increase the dehumidification capacity. The plurality of first sub-pipelines 421 are arranged at intervals in the water receiving tank 50, condensed water can be fully contacted with the plurality of first sub-pipelines 421, and the flow directions of refrigerants in two adjacent first sub-pipelines 421 are opposite, namely, the two adjacent first sub-pipelines 421 are parallel to each other, and the plurality of first hole sub-pipelines are orderly distributed in the water receiving tank 50.

As shown in fig. 4, the water receiving tank 50 includes: a bottom wall 52 and a side wall 53, the bottom wall 52 being located directly below the evaporator 30, the bottom wall 52 extending horizontally, and the bottom wall 52 being located directly below the evaporator 30 to receive condensed water as the air precipitates the condensed water at the evaporator 30. The side wall 53 is fixedly connected with the bottom wall 52, the side wall 53 is provided around the peripheral side of the bottom wall 52 and is upwardly bent with respect to the bottom wall 52, and the height of the side wall 53 is higher than the height of the drain hole 51 to form a space in which condensed water can accumulate in the water receiving tank 50.

After the condensed water drops into the water receiving tank 50, the side wall 53 is matched with the drain hole 51, so that the condensed water has a certain height, and the second pipeline 42 is immersed in the condensed water, so that the refrigerant exchanges heat in the condensed water, the temperature of the refrigerant entering the evaporator 30 is reduced, the dehumidifying amount is increased, and the dehumidifying effect is improved.

In some embodiments, the cross section of the water receiving tank 50 tapers from top to bottom, i.e. the side walls 53 of the water receiving tank 50 are inclined, and the side walls 53 on both sides gradually approach from top to bottom, so that the opening of the water receiving tank 50 is larger to receive the condensed water dropped from the evaporator 30, and the bottom wall 52 is small in size, so that the condensed water can accumulate to a certain height more quickly. After the dehumidifier 100 is started, condensed water is accumulated in the water receiving tank 50 to a certain height faster, so that the refrigerant in the second pipeline 42 is cooled, the temperature of the refrigerant entering the evaporator 30 is reduced, and the dehumidification amount is increased.

As shown in fig. 3, the dehumidifier 100 further includes: a throttle valve connected between the condenser 20 and the evaporator 30, wherein the opening of the throttle valve adjusts the pressure of the refrigerant flowing to the evaporator 30 to adjust the flow rate of the refrigerant flowing between the condenser 20 and the evaporator 30. The flow rate and pressure of the refrigerant flowing between the condenser 20 and the evaporator 30 will affect the heat exchange performance of the condenser 20 and the evaporator 30. The throttle valve may be an electronic valve. The opening degree of the throttle valve is adjustable to control the flow rate and pressure of the refrigerant flowing through the throttle valve.

The third pipeline 43 includes: two second sub-pipelines 431, the two second sub-pipelines 431 are connected at two ends of the throttle valve respectively. One end of one of the second sub-pipes 431 is communicated with the evaporator 30, and the other end of one of the second sub-pipes 431 is communicated with one end of the throttle valve, wherein one of the second sub-pipes 431 is communicated between the evaporator 30 and the throttle valve, and wherein one of the second sub-pipes 431 is communicated with the throttle valve and the evaporator 30.

One end of the other second sub-pipe 431 is communicated with the second pipe 42, and the other end of the other second sub-pipe 431 is communicated with the other end of the throttle valve, the other second sub-pipe 431 is communicated between the throttle valve and the second pipe 42, and the other second sub-pipe 431 is communicated with the throttle valve and the second pipe 42. Thus, the two second sub-lines 431 communicate with the second line 42, the throttle valve, and the evaporator 30 in order, thereby communicating the condenser 20 and the evaporator 30.

As shown in fig. 1 to 3, the dehumidifier 100 further includes: a high pressure line 61 and a low pressure line 62.

The high-pressure line 61 is connected between the compressor 10 and the condenser 20, and the high-temperature and high-pressure gaseous refrigerant flowing out of the compressor 10 flows through the high-pressure line 61 to the condenser 20, i.e., the high-pressure line 61 is flown with the high-temperature and high-pressure gaseous refrigerant.

The low pressure pipe 62 is connected between the compressor 10 and the evaporator 30, and the refrigerant depressurized by the throttle valve absorbs heat at the evaporator 30 to form a low-temperature low-pressure refrigerant, and the low-temperature low-pressure refrigerant flows through the low pressure pipe 62 to return to the compressor 10, i.e., the low-temperature low-pressure refrigerant flows through the low pressure pipe 62.

And, the compressor 10 includes: the high-temperature and high-pressure refrigerant flows through the high-pressure pipe 61 to the condenser 20, and releases heat in the condenser 20 to heat air.

The refrigerant after heat release of the condenser 20 flows through a throttle valve through a connecting pipeline, the throttle valve throttles and reduces the pressure of the refrigerant, so that the refrigerant with low temperature and high pressure is changed into the refrigerant with low temperature and low pressure, the refrigerant with low temperature and low pressure flows to the evaporator 30, the refrigerant absorbs the heat of the air in the evaporator 30, and the refrigerant with high temperature and low pressure is formed. One end of the low pressure pipeline 62 is connected to the evaporator 30, the other end of the low pressure pipeline 62 is connected to the air return port, so that the high-temperature low-pressure refrigerant returns to the compressor 10 from the air return port, the compressor 10 compresses the high-temperature low-pressure refrigerant to become a high-temperature high-pressure refrigerant, and the circulation of the refrigerant among the compressor 10, the condenser 20 and the evaporator 30, namely the internal circulation of the dehumidifier 100, is realized.

It will be appreciated that at least two first heat exchange lines are provided within the condenser 20, one end of the first heat exchange lines being in communication with the high pressure line 61 and the other end being in communication with the first line 41. The high-temperature and high-pressure refrigerant discharged from the compressor 10 flows to the first pipeline 41 through the high-pressure pipeline 61, the refrigerant circulates in the first heat exchange pipeline, air enters the shell from the air inlet, water is firstly condensed and separated out at the evaporator 30, then the water flows to the condenser 20, the low-temperature dry air exchanges heat with the refrigerant at the first heat exchange pipeline, the refrigerant emits a large amount of heat, and the heated air is normal-temperature dry air.

In some embodiments, at least two second heat exchange lines are provided within the evaporator 30, one end of the second heat exchange lines being in communication with the low pressure line 62 and the other end being in communication with the third line 43. The refrigerant after heat release of the condenser 20 flows through the connecting pipeline, throttles and depressurizes at the throttle valve, flows into the second heat exchange pipeline, and the humid air entering from the air inlet exchanges heat with the refrigerant at the second heat exchange pipeline, so that the refrigerant absorbs heat, the air cools down and separates out water, and the low-temperature dry air is obtained.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A dehumidifier, comprising:

the shell is provided with an air inlet and an air outlet;

the compressor is arranged in the shell and compresses a refrigerant;

The condenser is arranged in the shell and opposite to the air outlet, is communicated with the compressor, and is used for releasing latent heat to the surrounding by condensing the refrigerant and heating the air passing through the evaporator;

The evaporator is arranged in the shell and opposite to the air inlet, is communicated with the compressor and is communicated with the condenser, and absorbs ambient latent heat by evaporating a refrigerant so as to condense water vapor in the air and generate condensed water;

Characterized by further comprising:

The water receiving tank is arranged in the shell, is positioned below the evaporator and is used for receiving condensed water flowing down by the evaporator;

A connection pipe connected between the condenser and the evaporator, through which a refrigerant flows from the condenser to the evaporator;

Wherein,

The connecting pipeline includes:

one end of the first pipeline is communicated with the condenser;

One end of the second pipeline is communicated with the other end of the first pipeline;

One end of the third pipeline is communicated with the other end of the second pipeline, and the other end of the third pipeline is communicated with the evaporator;

The second pipeline is positioned in the water receiving tank, and is immersed in the condensed water in the water receiving tank so as to be used for reducing the temperature of the refrigerant through the condensed water.

2. The dehumidifier according to claim 1, wherein the water receiving tank is provided with a drain hole protruding from a bottom wall of the water receiving tank, and an upper end surface of the second pipe is lower than an upper end surface of the drain hole.

3. The dehumidifier of claim 2, further comprising:

The water tank is arranged below the water receiving tank;

And one end of the drainage pipeline is connected with the drainage hole, and the other end of the drainage pipeline is communicated with the water tank.

4. The dehumidifier of claim 1, wherein the second conduit comprises:

The plurality of first sub-pipelines are sequentially communicated, the plurality of first sub-pipelines are arranged in the water receiving groove at intervals, and the flow directions of refrigerants in two adjacent first sub-pipelines are opposite.

5. The dehumidifier of claim 1, wherein the water receiving tank comprises:

A bottom wall located directly below the evaporator;

The side wall is fixedly connected with the bottom wall, is arranged around the periphery of the bottom wall and is bent relative to the bottom wall.

6. The dehumidifier of claim 5, wherein the cross-section of the water receiving tank tapers from top to bottom.

7. The dehumidifier of claim 1, further comprising: a throttle valve;

the third pipeline includes:

And one end of the second sub-pipeline is communicated with the second pipeline, and the other end of the second sub-pipeline is communicated with the other end of the throttle valve.

8. The dehumidifier of claim 1, further comprising:

a high pressure line connected between the compressor and the condenser;

And the low-pressure pipeline is connected between the compressor and the evaporator.

9. The dehumidifier of claim 8, wherein the compressor comprises:

The air outlet is formed in the position, at the other end, of the high-pressure pipeline, and one end of the high-pressure pipeline is communicated with the air outlet and the other end of the high-pressure pipeline is communicated with the condenser;

and one end of the low-pressure pipeline is communicated with the evaporator, and the other end of the low-pressure pipeline is communicated with the air return port.

10. The dehumidifier of claim 9, wherein at least two first heat exchange lines are disposed within the condenser, one end of the first heat exchange lines being in communication with the high pressure line and the other end being in communication with the first line; and/or the number of the groups of groups,

At least two second heat exchange pipelines are arranged in the evaporator, one end of each second heat exchange pipeline is communicated with the low-pressure pipeline, and the other end of each second heat exchange pipeline is communicated with the third pipeline.