CN115479333A - Dehumidifier - Google Patents

Abstract

The invention provides a dehumidifier which comprises an evaporator, a water receiving tray and a rotary wheel dehumidification assembly, wherein the water receiving tray is used for receiving condensed water generated by the evaporator and the rotary wheel dehumidification assembly; the runner dehumidification subassembly includes the runner carousel and is used for carrying out the heater block that heats to the runner carousel, and the dehumidifier still includes: the water fetching component is at least partially arranged in the water receiving tray and can be rotatably arranged so as to fetch the condensed water in the water receiving tray onto the heating component. The dehumidifier solves the problem that the local temperature of the condenser is overhigh due to the electric heating box of the dehumidifier in the prior art.

Description

dehumidifier

technical field

The invention relates to the technical field of dehumidification equipment, in particular to a dehumidifier.

Background technique

For compound dehumidifiers with rotary dehumidification and dehumidification of two devices (including evaporator and condenser), the layout of the dehumidification module is generally to place the rotary dehumidification module between the evaporator and the condenser so that the air first passes through the evaporation. The water is condensed by the device, and then the water is further separated by the runner to achieve a better dehumidification effect.

However, when the rotary dehumidification module is in operation, the electric heating box will generate a higher temperature, and the gap between it and the condenser is small, which will cause the local temperature of the condenser to be too high, which will affect the heat dissipation of the condenser and reduce the overall dehumidification effect .

Contents of the invention

The main purpose of the present invention is to provide a dehumidifier to solve the problem in the prior art that the electric heating box of the dehumidifier causes the local temperature of the condenser to be too high.

In order to achieve the above object, the present invention provides a dehumidifier, comprising an evaporator, a water receiving tray and a dehumidifying wheel assembly, the water receiving tray is used to receive the condensed water produced by the evaporator and the dehumidifying wheel assembly; the dehumidifying wheel assembly includes The rotary disc and the heating part for heating the rotary disc, the dehumidifier also includes: a water fetching part, at least a part of the water fetching part is arranged in the water receiving tray, and the water fetching part is rotatably arranged so that the water receiving Condensation in the pan hits the heating element.

Further, the dehumidifier further includes: a driving member having a first output end, and the first output end is connected to the water-feeding component, so that the first output end drives the water-feeding component to rotate.

Further, the water pumping component is a flywheel.

Further, the heating part includes a heating box and a heating part arranged in the heating box, and the water pumping part hits the condensed water in the water receiving tray onto the heating box; Between the evaporator and the turntable, the air inlet of the kettle is set opposite to the turntable; the first air inlet of the air duct is connected with the kettle, and the first air outlet of the air duct is connected with the second air inlet of the heating box through; the fan blades are rotatably arranged in the air duct; the second air outlet of the heating box is set opposite to the turntable; the driving member has a second output end, which rotates synchronously with the first output end, and the second output end The air channel wall passing through the air channel is connected with the fan blade, so that the second output end drives the fan blade to rotate.

Further, the driving member is arranged on the wall of the air duct and is located outside the air duct.

Further, the dehumidifier also includes: a controller; a liquid level detection component, which is connected in communication with the controller, and the liquid level detection component is used to detect the height of the liquid level in the water receiving tray. When the liquid level reaches the preset height, the controller controls the rotary dehumidification component to start working.

Further, the liquid level detection component includes a float and a liquid level switch, and the float is arranged in the water receiving tray; the detection head of the liquid level switch is used to detect the float, and when the detection head of the liquid level switch detects the float, the liquid in the water receiving tray The liquid level reaches the preset height.

Furthermore, a placement groove for placing the float is provided in the water receiving tray, and the placement groove communicates with the space in the water receiving tray.

Further, the dehumidifier further includes: a condenser, the condenser has a gap, and the heating component is inserted into the gap, so that the condenser is arranged around the heating component.

Further, a first drainage rib is provided on the side wall of the water receiving tray, and the first drainage rib is used to divert the splashed condensed water back into the water receiving tray.

Further, the dehumidifier further includes: a water retaining cover connected to the water receiving tray, and the water retaining cover is provided on the heating component and the water pumping component to prevent splashing condensed water.

Further, a second drainage rib is provided on the inner wall of the water retaining cover, and the second drainage rib is used to divert the splashed condensed water back into the water receiving tray.

Further, the dehumidifier also includes: a controller; a temperature sensor, which is arranged on the heating box of the heating component, and the temperature sensor is used to detect the temperature of the heating box, and the temperature sensor is communicated with the controller. When the temperature sensor detects the temperature of the heating box When the temperature is higher than the preset limit temperature, the controller controls the dehumidification component of the rotary wheel to stop working.

The dehumidifier of the present invention includes an evaporator, a water receiving tray, a wheel dehumidification assembly and a water pumping part, the water receiving tray is used to receive the condensed water produced by the evaporator and the wheel dehumidification assembly; the wheel dehumidification assembly includes a wheel turntable and a The heating part is used for heating the turntable of the running wheel; at least part of the water fetching part is arranged in the water receiving tray, and the water fetching part is rotatably arranged to hit the condensed water in the water receiving tray onto the heating part, so that the condensed water The water can cool the heating part and reduce the surface temperature of the heating part, so the heating part will not transfer heat to other parts, thereby solving the problem of excessive local temperature of the condenser caused by the electric heating box of the dehumidifier in the prior art .

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows a schematic diagram of an embodiment of a dehumidifier according to the present invention without a water retaining cover;

Fig. 2 shows a schematic diagram of an embodiment of an assembled water blocking cover of a dehumidifier according to the present invention;

Figure 3 shows an exploded view of an embodiment of a dehumidifier according to the invention;

Figure 4 shows a schematic diagram of an embodiment of the internal air flow of a dehumidifier according to the present invention;

Figure 5 shows a front view of an embodiment of a dehumidifier according to the invention;

Figure 6 shows a sectional view of the A-A section of the dehumidifier in Figure 5 according to the present invention;

Figure 7 shows a side view of an embodiment of a dehumidifier according to the invention;

Figure 8 shows a sectional view of the B-B section of the dehumidifier in Figure 7 according to the present invention;

Fig. 9 shows a schematic diagram of a water receiving tray of a dehumidifier according to the present invention;

Fig. 10 shows a schematic view of the water retaining cover of the dehumidifier according to the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Evaporator; 20. Drain tray; 21. Placement groove; 22. First drainage rib; 23. Reservoir; 24. Inclined surface; Turntable; 32, heating component; 33, heating box; 34, kettle; 35, air duct; 36, fan blade; 40, water pumping component; 50, driving member; 51, first output end; 52, second output end 60, liquid level detection component; 61, float; 62, liquid level switch; 70, condenser; 71, gap; 80, water retaining cover; 81, second drainage rib.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The present invention provides a dehumidifier, please refer to FIG. 1 to FIG. 10 , which includes an evaporator 10, a water receiving tray 20 and a dehumidifying wheel assembly 30, and the water receiving tray 20 is used to receive the evaporator 10 and the dehumidifying wheel assembly 30 to generate the condensed water; the wheel dehumidification assembly 30 includes a wheel turntable 31 and a heating part 32 for heating the turnwheel turntable 31, and the dehumidifier also includes: a water fetching part 40, at least part of the water fetching part 40 is arranged on the water receiving In the pan 20 , a water-feeding component 40 is rotatably arranged to beat the condensed water in the water-receiving pan 20 onto the heating component 32 .

The dehumidifier of the present invention includes an evaporator 10, a water receiving tray 20, a runner dehumidification assembly 30 and a water pumping part 40, and the water receiving tray 20 is used to receive the condensed water produced by the evaporator 10 and the runner dehumidification assembly 30; the runner dehumidification The assembly 30 includes a turntable 31 and a heating part 32 for heating the turntable 31; at least a part of the water fetching part 40 is arranged in the water receiving tray 20, and the water fetching part 40 is rotatably arranged to receive the water The condensed water in the tray 20 hits the heating element 32, so that the condensed water can cool the heating element 32 and reduce the surface temperature of the heating element 32, so the heating element 32 will not transfer heat to other components, specifically, heat The component 32 will not transfer heat to the condenser, thereby solving the problem of excessive local temperature of the condenser caused by the electric heating box of the dehumidifier in the prior art, ensuring the heat dissipation effect of the condenser, and then ensuring the dehumidification effect.

In this embodiment, the dehumidifier further includes: a driving member 50 having a first output end 51 connected to the water fetching component 40 so that the first output end 51 drives the water fetching component 40 to rotate. The first output end 51 of the driving member 50 provides rotational power to the water pumping component 40 , so that the water pumping component 40 beats the condensed water in the water receiving tray 20 onto the heating component 32 .

Optionally, the water-feeding component 40 is a flywheel. Specifically, the edge of the flywheel is provided with a plurality of tooth parts arranged at intervals along the circumference of the flywheel, and each tooth part protrudes from the flywheel to drive a larger area of condensed water. , to enhance the effect of water cooling and heat dissipation.

In this embodiment, the heating unit 32 includes a heating box 33 and a heating unit arranged in the heating box 33, and the water pumping unit 40 beats the condensed water in the water receiving tray 20 onto the heating box 33; Comprising kettle 34, air duct 35 and fan blade 36, kettle 34 is arranged between evaporator 10 and runner turntable 31, the air inlet of kettle 34 is set opposite to runner turntable 31, the first air inlet of air duct 35 and kettle 34 communicates with each other, and the first air outlet of the air duct 35 is connected with the second air inlet of the heating box 33; the fan blade 36 is rotatably arranged in the air duct 35; Relatively arranged; the driver 50 has a second output end 52, the second output end 52 rotates synchronously with the first output end 51, the second output end 52 passes through the air duct wall of the air duct 35 and is connected to the fan blade 36, so that the first output end 52 The second output end 52 drives the fan blade 36 to rotate. In this way, the water-feeding component 40 and the fan blade 36 share the driving part 50, and no new driving part is added, which saves costs.

During specific implementation, the second output end 52 of the driving member 50 drives the fan blade 36 to rotate, thereby driving the gas circulation inside the runner dehumidification assembly 30, and the water vapor driven by the rotation of the fan blade 36 passes through the kettle 34, the air duct 35, and the heating component in sequence. 32 and the runner rotating disk 31 circulate, as shown in dotted line among Fig. 4.

During specific implementation, the kettle 34 is close to the evaporator 10 , the temperature is low, and the water vapor enters the kettle 34 to condense into water, and finally flows into the water receiving tray 20 for accumulation.

Specifically, the driving member 50 is a biaxial extension motor.

In this embodiment, the driving member 50 is disposed on the wall of the air duct and located outside the air duct 35 . Such setting will not affect the passage of water vapor through the air duct 35 , and the space between the dehumidification wheel assembly 30 and the water receiving tray 20 is reasonably utilized.

In this embodiment, the dehumidifier further includes: a controller; a liquid level detection component 60, which is connected in communication with the controller. The liquid level detection component 60 is used to detect the height of the liquid level in the water receiving tray 20. When the liquid level detection component detects When the liquid level in the water receiving tray 20 reaches a preset height, the controller controls the wheel dehumidification assembly 30 to start working. In this way, when the wheel dehumidification assembly 30 is working, the liquid level in the water receiving tray 20 can ensure that the water pumping part 40 can pump condensed water onto the heating part 32 to cool down the heating part 32.

In this embodiment, the liquid level detection assembly 60 includes a float 61 and a liquid level switch 62, the float 61 is arranged in the water receiving tray 20; the detection head of the liquid level switch 62 is used to detect the float 61, when the detection of the liquid level switch 62 When the head detects the float 61, the liquid level in the water receiving tray 20 reaches a preset height.

During specific implementation, the cooperation between the float 61 and the liquid level switch 62 ensures that when the liquid level in the water receiving tray 20 reaches the preset height, the controller can detect the signal of reaching the preset height.

In this embodiment, the water receiving tray 20 is provided with a placement groove 21 for placing the float 61 , and the placement groove 21 communicates with the space in the water receiving tray 20 . In this way, the condensed water in the water receiving tray 20 can make the float 61 in the storage tank 21 float, so that the liquid level switch 62 can detect the float 61 when the float 61 floats to a preset height.

Specifically, the placing groove 21 and the water-feeding component 40 are located on opposite sides of the heating component 32 .

In this embodiment, the dehumidifier further includes: a condenser 70 having a gap 71 , and the heating component 32 is inserted into the gap 71 so that the condenser 70 is arranged around the heating component 32 . Such an arrangement avoids an excessively large contact area between the heating component 32 and the condenser 70 , thereby reducing the influence on the temperature of the condenser 70 .

Specifically, the notch 71 forms a first end surface and a second end surface on the condenser 70 , the first end surface and the second end surface are inclined, the first end surface is opposite to the heating component 32 , and the second end surface is opposite to the heating component 32 .

Specifically, the kettle 34 and the wheel turntable 31 are disposed between the evaporator 10 and the condenser 70 .

In this embodiment, a first drainage rib 22 is provided on the side wall of the water receiving tray 20 , and the first drainage rib 22 is used to drain the splashed condensed water back into the water receiving tray 20 . This allows the condensed water to be reused.

Optionally, at least two first drainage ribs 22 are provided on the side wall of the water receiving tray 20 . Such arrangement ensures that the water droplets splashed on the inner wall of the water receiving tray 20 will flow into the water receiving tray along the first drainage rib.

Optionally, first drainage ribs 22 are provided on both left and right sides of the water-feeding component 40 , wherein the left-right sides of the water-feeding component 40 are the left-right direction in FIG. 9 . Such arrangement ensures that the water droplets splashed on the inner wall of the water receiving tray 20 will flow into the water receiving tray along the first drainage rib.

Specifically, the water receiving tray 20 includes a reservoir 23, an inclined surface 24 and a discharge port 25, the inclined surface 24 is inclined to the bottom surface of the reservoir 23, and the inclined surface 24 is arranged inclined relative to the horizontal plane; the inclined surface 24 extends along it The direction has a first end and a second end oppositely arranged, the first end of the inclined surface 24 is connected to the bottom surface of the reservoir 23, the second end of the inclined surface 24 is set higher than the second end of the inclined surface 24, and the dehumidifier starts Finally, the water condensed and precipitated on the evaporator 10 flows into the reservoir 23 along the inclined surface 24; Wherein, the placing groove 21 , the water fetching component 40 and the first drainage rib 22 are all arranged in the reservoir 23 .

During specific implementation, the drain outlet 25 is set higher than the preset height of the liquid level in the water tray; optionally, the difference between the drain outlet 25 and the preset height of the liquid level in the drain tray is greater than or equal to 5mm, to meet The condition that the liquid level in the water receiving tray is higher than the lowest point of the water fetching part makes the water fetching part drive the condensed water to the heating box.

In this embodiment, the dehumidifier further includes: a water retaining cover 80 connected to the water receiving tray 20 , and the water retaining cover 80 is provided on the heating component 32 and the water pumping component 40 to prevent splashing condensed water.

Specifically, the liquid level switch 62 is disposed on the inner wall of the water blocking cover 80 .

In this embodiment, a second drainage rib 81 is provided on the inner wall of the water retaining cover 80 , and the second drainage rib 81 is used to drain the splashed condensed water back into the water receiving tray 20 . This allows the condensed water to be reused.

Specifically, the first drainage rib 22 is arranged lower than the water pumping part 40 , and the second drainage rib 81 is arranged higher than the water pumping part 40 . Such an arrangement ensures that the water droplets splashed onto the water retaining cover and the inner wall of the water receiving tray will flow into the water receiving tray along the drainage ribs.

Optionally, at least two second drainage ribs 81 are provided on the inner wall of the water retaining cover 80 . Such arrangement ensures that the water droplets splashed on the inner wall of the water retaining cover will flow into the water receiving tray along the second drainage rib.

Optionally, second drainage ribs 81 are provided on both left and right sides of the water-feeding component 40 , wherein the left-right sides of the water-feeding component 40 are the left-right direction in FIG. 10 . Such arrangement ensures that the water droplets splashed on the inner wall of the water retaining cover will flow into the water receiving tray along the second drainage rib. In this embodiment, the dehumidifier also includes: a controller; a temperature sensor, which is arranged on the heating box 33 of the heating component 32, and the temperature sensor is used to detect the temperature of the heating box 33, and the temperature sensor is connected to the controller in communication. When it is detected that the temperature of the heating box 33 is higher than the preset limit temperature, the controller controls the wheel dehumidification assembly 30 to stop working. In this way, it is avoided that when the temperature of the heating box 33 is overheated, the rotary dehumidification assembly 30 is still working, causing damage to the dehumidifier.

During specific implementation, the temperature sensor reads the temperature once per minute, when the temperature sensor detects that the temperature of the heating box 33 is lower than the preset limit temperature and the liquid level detection assembly 60 detects that the liquid level in the water receiving tray 20 reaches the preset height , the wheel dehumidification assembly 30 continues to work; during the operation of the dehumidifier, the user presses the shutdown button at any time, and the wheel dehumidification assembly 30 stops running.

Optionally, the heating component 32 is an electric heating component.

Specifically, the evaporator 10 , the wheel dehumidification assembly 30 and the condenser 70 are all assembled on the water receiving tray 20 .

Specifically, the dehumidifier of the present application is a composite dehumidifier with a rotary dehumidification assembly and two dehumidifiers. In practice, after the user starts the machine, the compressor of the composite dehumidifier starts to work, and the rotary dehumidification assembly does not work. Carry out ordinary two-device dehumidification. When the condensed water accumulates to a preset height in the reservoir of the water tray, the liquid level switch is turned on, the dehumidification component of the runner works, and the water pumping component works at the same time to cool down the heating box. ; During the working period of the wheel dehumidification component, the temperature sensor will monitor the temperature T of the heating box. When T>T0 (T0 is the preset limit temperature), the wheel dehumidification component stops running.

The present invention has the following beneficial effects:

The driving part 50 adopts a double-shaft extension motor, and the water-feeding part 40 and the fan blade 36 of the runner dehumidification assembly 30 are respectively installed on both sides. The water hits the heating box 33 to play the role of condensation and heat dissipation; the driver 50 is shared with the fan blade 36, and there is no new motor, which saves costs; the condenser 70 with a gap 71 is used to reduce the distance between the condenser 70 and the heating box 33 The contact area reduces the influence of the heating box 33 on the temperature of the condenser 70; the corners of the water receiving tray 20 and the water retaining cover 80 are provided with a first drainage rib 22 and a second drainage rib 81, and the water pumping part 40 is thrown to the corner of the water The bead drains back to the water tray 20; in conjunction with the control program, under suitable conditions, the runner dehumidification component 30 is turned on for dehumidification, reducing power consumption and improving energy efficiency.

From the above description, it can be seen that the above-mentioned embodiments of the present invention have achieved the following technical effects:

The dehumidifier of the present invention includes an evaporator 10, a water receiving tray 20, a runner dehumidification assembly 30 and a water pumping part 40, and the water receiving tray 20 is used to receive the condensed water produced by the evaporator 10 and the runner dehumidification assembly 30; the runner dehumidification The assembly 30 includes a turntable 31 and a heating part 32 for heating the turntable 31; at least a part of the water fetching part 40 is arranged in the water receiving tray 20, and the water fetching part 40 is rotatably arranged to receive the water The condensed water in the tray 20 hits the heating component 32, so that the condensed water can cool the heating component 32 and reduce the surface temperature of the heating component 32, so the heating component 32 will not transfer heat to other components, thereby solving the problem There is a problem that the electric heating box of the dehumidifier in the art causes the local temperature of the condenser to be too high.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein, for example, can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations”. Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (13)

1. A dehumidifier comprising an evaporator (10), a water receiving tray (20) and a runner dehumidification assembly (30), the water receiving tray (20) being used to receive the evaporator (10) and the Condensed water produced by the wheel dehumidification assembly (30); the wheel dehumidification assembly (30) includes a wheel turntable (31) and a heating element (32) for heating the turnwheel turntable (31), characterized in that , the dehumidifier also includes: A water fetching part (40), at least part of the water fetching part (40) is arranged in the water receiving tray (20), and the water fetching part (40) is rotatably arranged to place the water receiving tray The condensed water in (20) hits on the described heating element (32). 2. The dehumidifier according to claim 1, wherein the dehumidifier further comprises: The driving member (50) has a first output end (51), and the first output end (51) is connected to the water pumping part (40), so that the first output port (51) drives the water pumping part (40) Turn. 3. The dehumidifier according to claim 1, characterized in that, the water pumping component (40) is a flywheel. 4. The dehumidifier according to claim 2, characterized in that, the heating component (32) comprises a heating box (33) and a heating component arranged in the heating box (33), and the water pumping component ( 40) Beat the condensed water in the water receiving tray (20) onto the heating box (33); the wheel dehumidification assembly (30) also includes a kettle (34), an air duct (35) and fan blades ( 36), the kettle (34) is arranged between the evaporator (10) and the runner turntable (31), and the air inlet of the kettle (34) is opposite to the runner turntable (31) Setting; the first air inlet of the air duct (35) is connected with the kettle (34), and the first air outlet of the air duct (35) is connected with the second air inlet of the heating box (33) Pass; the fan blade (36) is rotatably arranged in the air channel (35); the second air outlet of the heating box (33) is oppositely arranged to the turntable (31); The driving member (50) has a second output end (52), the second output end (52) rotates synchronously with the first output end (51), and the second output end (52) passes through the The air channel wall of the air channel (35) is connected with the fan blade (36), so that the second output end (52) drives the fan blade (36) to rotate. 5. The dehumidifier according to claim 4, characterized in that, the driving member (50) is arranged on the wall of the air duct and is located outside the air duct (35). 6. The dehumidifier according to claim 1, further comprising: controller; The liquid level detection component (60) is connected with the controller in communication, and the liquid level detection component (60) is used to detect the height of the liquid level in the water receiving tray (20), when the liquid level detection component ( 60) When detecting that the liquid level in the water receiving tray (20) reaches a preset height, the controller controls the wheel dehumidification assembly (30) to start working. 7. The dehumidifier according to claim 6, characterized in that, the liquid level detection component (60) includes a float (61) and a liquid level switch (62), and the float (61) is arranged on the In the plate (20); the detection head of the liquid level switch (62) is used to detect the float (61), when the detection head of the liquid level switch (62) detects the float (61), the The liquid level height in the water receiving tray (20) reaches the preset height. 8. The dehumidifier according to claim 7, characterized in that, a placement groove (21) for placing the float (61) is arranged in the water receiving tray (20), and the placement groove (21) and The spaces in the water receiving tray (20) are connected. 9. The dehumidifier according to any one of claims 1 to 8, wherein the dehumidifier further comprises: a condenser (70), the condenser (70) has a gap (71), and the heating element (32) is inserted into the gap (71), so that the condenser (70) surrounds the heating Components (32) set. 10. The dehumidifier according to any one of claims 1 to 8, characterized in that a first drainage rib (22) is provided on the side wall of the water receiving tray (20), and the first drainage rib (22) is used for draining the splashed condensed water back into the water receiving tray (20). 11. The dehumidifier according to any one of claims 1 to 8, wherein the dehumidifier further comprises: The water retaining cover (80) is connected with the water receiving tray (20), and the water retaining cover (80) is covered on the heating component (32) and the water pumping component (40) to stop Splashing condensation. 12. The dehumidifier according to claim 11, characterized in that, the inner wall of the water retaining cover (80) is provided with a second drainage rib (81), and the second drainage rib (81) is used to dispel the splash The condensed water drains back into the water receiving tray (20). 13. The dehumidifier according to claim 1, further comprising: controller; A temperature sensor is arranged on the heating box (33) of the heating component (32), the temperature sensor is used to detect the temperature of the heating box (33), the temperature sensor is connected to the controller in communication, when When the temperature sensor detects that the temperature of the heating box (33) is greater than a preset limit temperature, the controller controls the wheel dehumidification assembly (30) to stop working.

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