CN220413824U - Clothes dryer and self-cleaning structure for clothes dryer fuzzes - Google Patents

Abstract

The utility model provides a clothes dryer and a self-cleaning structure for fuzzes of the clothes dryer, the self-cleaning structure comprises a filter device and a spray device, the filter device is detachably arranged at an air inlet of a heat exchanger of the clothes dryer, a nozzle of the spray device is arranged at one side of the filter device far away from the heat exchanger, the spray direction of the nozzle faces to a windward surface of the filter device, and the spray area of the nozzle sprayed to the filter device is larger than the windward surface area of the filter device; the self-cleaning structure for the clothes dryer fuzzes and the clothes dryer can realize the self-cleaning function for the fuzzes of the clothes dryer, ensure that the spray water of the spray nozzle can fully cover the windward side of the filter device, ensure that the filter device is fully cleaned, and simultaneously are beneficial to improving the cleaning efficiency.

Description

Clothes dryer and self-cleaning structure for clothes dryer fuzzes

Technical Field

The utility model relates to the technical field of household appliances, in particular to a clothes dryer and a self-cleaning structure for clothes dryer fuzzes.

Background

Along with the continuous improvement of the living standard of people, the clothes dryer gradually enters the household life of people and becomes an indispensable electrical device in the daily life of people. With the continuous improvement of the industrial design level and the application of new technology, new materials and new construction on clothes dryers, not only are clothes dryers of various styles developed, but also structural optimization is performed on related parts of the clothes dryers.

For example, in the drying process of the clothes dryer, a large amount of filings are generated by the rotation and rolling friction of clothes in the roller, a filter screen is often arranged in front of an evaporator in the existing clothes dryer and used for filtering the filings, but the filings are accumulated when the filter screen is not cleaned for a long time, so that the condition that an air duct is blocked and flows smoothly occurs, the heat exchange efficiency is greatly reduced, the usability of the whole machine is affected, the clothes drying efficiency is reduced, the clothes drying time is prolonged, and the power consumption of a user in the clothes drying process is increased.

Therefore, how to realize the self-cleaning of the filter of the clothes dryer, especially the front end of the evaporator of the clothes dryer, is one of the problems to be solved in the field.

Disclosure of Invention

In view of the above, the present utility model aims to provide a clothes dryer lint self-cleaning structure and a clothes dryer, so as to solve the problem of self-cleaning of a clothes dryer filter in the prior art, and especially the problem of self-cleaning of the front end of an evaporator of the clothes dryer.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a dryer hair bits automatically cleaning structure, includes filter equipment, spray set, filter equipment is set up the air intake at the heat exchanger of dryer with the mode that can dismantle, spray set's nozzle is set up in filter equipment one side of keeping away from the heat exchanger, spray direction orientation filter equipment's windward side of nozzle, the spray area to filter equipment at spraying to the nozzle is greater than filter equipment's windward side area. The spray device is arranged on the windward side of the filter device, so that the spray device can spray and clean the windward side of the filter device, and the self-cleaning function of the filings of the clothes dryer is realized; meanwhile, the spray area of the nozzle is larger than the area of the windward surface of the filter device, so that the spray water of the nozzle can fully cover the windward surface of the filter device, and the filter device is ensured to be fully cleaned, and the cleaning efficiency is improved. In addition, this application sets up self-cleaning structure at dryer evaporator front end, has avoided on the one hand that the piled up condition of filings takes place on the filter screen, can improve heat exchange efficiency of heat exchanger to improve dry clothing efficiency, reduce power consumption, on the other hand is along with regularly carrying out self-cleaning, is favorable to keeping holistic clean degree of filter equipment, ensures that it has good filter effect.

Further, the spraying device comprises a drainage pump and a diversion valve, the drainage pump is arranged in a water storage area of the clothes dryer, a water outlet pipe of the drainage pump is connected with a water inlet of the diversion valve, a first diversion port of the diversion valve is communicated with a nozzle, and a second diversion port of the diversion valve is communicated with a water storage tank of the clothes dryer. Therefore, by arranging the drainage pump and the water diversion valve, when water is pumped from the water storage area to the water storage tank, the water storage tank is communicated through the water diversion valve, and when the filtering device is required to be self-cleaned, the water storage tank is communicated with the nozzle through the water diversion valve.

Furthermore, a spray connecting pipe is arranged between the water diversion valve and the nozzle, one end of the spray connecting pipe is connected with a first water diversion opening of the water diversion valve, and the other end of the spray connecting pipe is communicated with the nozzle, so that self-cleaning water is supplied to the nozzle.

Further, the spraying device comprises a branch pipe and at least two nozzles, the branch pipe is provided with branch ports corresponding to the nozzles, the water inlet end of the branch pipe is connected with the spraying connecting pipe, and the branch ports are provided with nozzle connecting pipes and are connected with the corresponding nozzles through the nozzle connecting pipes. Therefore, the simultaneous water supply to a plurality of nozzles is ensured, and the spraying efficiency of the spraying device can be effectively improved while the spraying area of the spraying device is ensured by increasing the number of the nozzles.

Further, the outer wall of the nozzle is provided with a sealing ring, and the sealing ring is in sealing connection with the air duct of the clothes dryer, so that leakage at the position where the nozzle penetrates through the air duct is avoided; the water jet of nozzle sets up the dispersion baffle for nozzle from water jet spun water, can send out the dispersion again through the dispersion baffle, avoid yielding water too concentrated, be favorable to improving the effect of spraying.

Further, the filtering device is connected with a door frame assembly of the clothes dryer in a magnetic attraction mode. Specifically, filter equipment includes filter screen support, filter screen and filter screen leg joint, one side that the filter screen support is close to the door frame subassembly sets up the magnetism and inhales the structure, the door frame subassembly sets up corresponding metalwork, the magnetism is inhaled the structure and can be connected with the metalwork with the mode that the magnetism was inhaled for filter equipment simple structure, the dismouting is convenient, is favorable to daily maintenance.

Further, the door frame assembly is close to the position of the magnetic attraction structure and is provided with a magnetic proximity switch, the magnetic proximity switch is connected with a detection control circuit of the clothes dryer, the magnetic proximity switch can disconnect the detection control circuit when the filtering device is in a disassembly state, and the magnetic proximity switch can be communicated with the detection control circuit when the filtering device is in an installation state. Therefore, after the filter device is disassembled, the clothes dryer cannot be in a working state or started to operate, the condition that the clothes dryer does not operate with a filter screen is avoided, the operation safety of an electric appliance can be further ensured, and meanwhile, the phenomenon that filings flow to the heat exchanger to cause unnecessary filth blockage is avoided.

Further, the base of dryer sets up direction muscle, guiding gutter, the guiding rib is set up at the cell body outward flange of guiding gutter, filter equipment is close to the one end of base and can with the guiding rib joint for filter equipment can carry out more convenient dismouting operation along the guiding rib, avoids the condition of mistake assembly to take place, the water storage region intercommunication of guiding gutter and dryer makes spray set carry out the hydroenergy after the washing to filter equipment and flow into the water storage region along the guiding gutter.

A clothes dryer comprises a heat exchanger and a clothes dryer hair dust self-cleaning structure, wherein the heat exchanger and the self-cleaning structure are arranged in a clothes dryer air duct, and the self-cleaning structure is arranged at the upstream of the heat exchanger along the air flow direction in the clothes dryer air duct.

Compared with the prior art, the clothes dryer and the self-cleaning structure for the clothes dryer fuzzes have the following advantages:

according to the clothes dryer and the self-cleaning structure thereof, the spraying device is arranged on the windward side of the filtering device, so that the spraying device can spray and clean the windward side of the filtering device, and the self-cleaning function of the clothes dryer is realized; meanwhile, the spray area of the nozzle is larger than the area of the windward surface of the filter device, so that the spray water of the nozzle can fully cover the windward surface of the filter device, and the filter device is ensured to be fully cleaned, and the cleaning efficiency is improved.

In addition, this application sets up self-cleaning structure at dryer evaporator front end, has avoided on the one hand that the piled up condition of filings takes place on the filter screen, can improve heat exchange efficiency of heat exchanger to improve dry clothing efficiency, reduce power consumption, on the other hand is along with regularly carrying out self-cleaning, is favorable to keeping holistic clean degree of filter equipment, ensures that it has good filter effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a sectional view of a dryer according to an embodiment of the present utility model;

fig. 2 is a structural exploded view of a clothes dryer (partial structure) according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a spray device in a self-cleaning structure for flock according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a spray device in a self-cleaning structure for lint, according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a nozzle and a seal ring in a clothes dryer lint self-cleaning structure according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a filtering device and a door frame assembly in a clothes dryer according to an embodiment of the present utility model;

fig. 7 is a schematic view showing a base structure of a clothes dryer according to an embodiment of the present utility model;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A in accordance with an embodiment of the present utility model;

fig. 9 is a self-cleaning main flowchart of a clothes dryer according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a filtering device; 2. a spraying device; 3. a heat exchanger; 4. a water storage area; 5. a cartridge assembly; 6. an air duct system; 7. a door frame assembly; 8. a water storage tank; 9. a filter screen bracket; 10. a filter screen; 11. a magnetic attraction structure; 12. a metal piece; 13. a magnetic proximity switch; 14. a base; 15. a guide rib; 16. a water guide groove; 17. a draining pump; 18. a float switch; 19. an overflow pipe; 20. a shunt valve; 21. a circulating air duct cover; 22. a spray connection pipe; 23. a bracket; 24. a branch pipe; 25. a nozzle connecting pipe; 26. a seal ring; 27. a nozzle; 28. a water outlet pipe; 29. a water inlet pipe; 30. a water jet; 31. and a dispersing baffle.

Detailed Description

The inventive concepts of the present disclosure will be described below using terms commonly used by those skilled in the art to convey the substance of their work to others skilled in the art. These inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The arrows surrounding the circulation loop in fig. 1 refer to the flow direction of the air flow.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In the prior art, the clothes dryer is often provided with the filter screen before the evaporator for filter the filings, but the filings are piled up to the filter screen long-term not clear up and can appear, leads to the air duct to block the unsmooth condition of circulation to take place, has not only greatly reduced heat exchange efficiency, influences the performance of complete machine, reduces the clothes drying efficiency for the clothes drying time becomes long, has increased the power consumption of user's clothes drying process.

In order to solve the problem of self-cleaning of a dryer filter in the prior art, especially the front end of an evaporator of the dryer, the embodiment provides a self-cleaning structure of clothes dryer fuzziness and the dryer, as shown in fig. 1-8, the self-cleaning structure comprises a filter device 1 and a spray device 2, the filter device 1 is detachably arranged at an air inlet of a heat exchanger 3 of the dryer, a nozzle 27 of the spray device 2 is arranged at one side of the filter device 1 away from the heat exchanger 3, namely the nozzle 27 is arranged on the windward side of the filter device 1, the spraying direction of the nozzle 27 faces the windward side of the filter device 1, and the spraying area of the nozzle 27 sprayed to the filter device 1 is larger than the windward side area of the filter device 1.

For the clothes dryer with the filter screen arranged in front of the evaporator in the prior art, the spray device 2 is arranged on the windward side of the filter device 1, so that the spray device 2 can spray and clean towards the windward side of the filter device 1, and the self-cleaning function of the filings of the clothes dryer is realized; meanwhile, the spraying area of the nozzle 27 is larger than the windward area of the filter device 1, so that the spraying water of the nozzle 27 can fully cover the windward side of the filter device 1, and the cleaning efficiency is improved while the filter device 1 is fully cleaned.

In addition, this application sets up self-cleaning structure at dryer evaporator front end, has avoided on the one hand that the piled up condition of filings takes place on the filter screen, can improve heat exchange efficiency of heat exchanger 3 to improve dry clothing efficiency, reduce power consumption, on the other hand is along with regularly carrying out self-cleaning, is favorable to keeping filter equipment 1 holistic clean degree, ensures that it has good filter effect.

The filtering device 1 is magnetically connected with a door frame assembly 7 of the clothes dryer. Specifically, the filtering device 1 includes a filter screen support 9 and a filter screen 10, the filter screen 10 is connected with the filter screen support 9, a magnetic attraction structure 11 is disposed on one side of the filter screen support 9 close to the door frame assembly 7, the door frame assembly 7 is provided with a corresponding metal piece 12, and the magnetic attraction structure 11 can be connected with the metal piece 12 in a magnetic attraction manner; preferably, the magnetic attraction structure 11 is provided with a magnet block, at least part of the metal piece 12 is made of iron, the windward side of the filtering device 1 is communicated with the air inlet of the door frame assembly 7, and the filtering device 1 can be inserted into or taken out from the air inlet of the door frame assembly 7. Therefore, the filter device 1 has simple structure, is convenient to assemble and disassemble, and is beneficial to daily maintenance.

In addition, the door frame assembly 7 is provided with a magnetic proximity switch 13 at a position close to the magnetic attraction structure 11, the magnetic proximity switch 13 is connected with a detection control circuit of the clothes dryer, the magnetic proximity switch 13 can disconnect the detection control circuit when the filtering device 1 is in a detached state, and correspondingly, the detection control circuit can be communicated when the filtering device 1 is in an installed state. Therefore, after the filter device 1 is disassembled, the clothes dryer is not in a working state, and the clothes dryer is not started to operate, so that the condition that the clothes dryer does not operate without a filter screen is avoided, the operation safety of an electric appliance can be further ensured, and meanwhile, the phenomenon that filth flows to the heat exchanger 3 to cause unnecessary filth blockage is avoided. The magnetic proximity switch 13 can be purchased directly from the market, and the working principle and the internal structure of the magnetic proximity switch can refer to the prior art, and are not described herein.

For further convenient filter equipment 1's dismouting operation, the base 14 of dryer sets up direction muscle 15, guiding gutter 16, guiding rib 15 is set up at the cell body outer fringe of guiding gutter 16, filter equipment 1 is close to the one end of base 14 and can with direction muscle 15 joint for filter equipment 1 can carry out more convenient dismouting operation along guiding rib 15, avoids the condition emergence of mistake assembly, guiding gutter 16 and dryer's water storage area 4 intercommunication, make spray set 2 to filter equipment 1 wash the hydroenergy along guiding gutter 16 inflow water storage area 4. For the purposes of this application, the water storage area 4 may be part of the base 14, or a component provided on the base 14, the water storage area 4 being located below the heat exchanger 3 for collecting condensed water of the heat exchanger 3 during drying of the garment, as well as washing water for the filter device 1.

For the spraying device 2, the water distribution device comprises a water distribution pump 17 and a water distribution valve 20, wherein the water distribution pump 17 is arranged in a water storage area 4 of the clothes dryer, a water outlet pipe 28 of the water distribution pump 17 is connected with a water inlet of the water distribution valve 20, a first water distribution port of the water distribution valve 20 is communicated with a nozzle 27, and a second water distribution port of the water distribution valve 20 is communicated with a water storage tank 8 of the clothes dryer; therefore, by providing the drain pump 17 and the water diversion valve 20, when water is pumped from the water storage area 4 to the water storage tank 8, the water storage tank 8 is communicated through the water diversion valve 20, and when self-cleaning of the filter device 1 is required, the nozzle 27 is communicated through the water diversion valve 20.

For the communication between the water diversion valve 20 and the nozzle 27, a spray connecting pipe 22 is arranged between the water diversion valve 20 and the nozzle 27, one end of the spray connecting pipe 22 is connected with a first water diversion port of the water diversion valve 20, and the other end is communicated with the nozzle 27, so that self-cleaning water is supplied to the nozzle 27.

In view of the spray efficiency and spray area of the spray device 2, the spray device 2 includes a branch pipe 24 and at least two nozzles 27, the branch pipe 24 has branch ports corresponding to the respective nozzles 27, the water inlet end of the branch pipe 24 is connected with the spray connection pipe 22, and the branch ports are provided with nozzle connection pipes 25 and are connected with the corresponding nozzles 27 through the nozzle connection pipes 25. Thereby, the simultaneous water supply to the plurality of nozzles 27 is ensured, and the spraying efficiency of the spraying device 2 can be effectively improved while the spraying area of the spraying device 2 is ensured by increasing the number of the nozzles 27. For example: the branched pipe 24 is three-way, two corresponding nozzles 27 may be provided in the spraying device 2, and of course, the branched pipe 24 may also have three or more branched ports, and three or more corresponding nozzles 27 may also be provided.

In this application, in order to avoid setting unnecessary pipelines in the air duct of the clothes dryer, the application only sets the nozzle 27 in the air duct, so that the pipeline corresponding to the nozzle 27 needs to penetrate through the corresponding structure (such as the base 14) of the air duct, for this purpose, the outer wall of the nozzle 27 is provided with the sealing ring 26 and is in sealing connection with the air duct of the clothes dryer through the sealing ring 26, thereby avoiding leakage at the position where the nozzle 27 penetrates through the air duct. The clothes dryer is provided with a bracket 23, the bracket 23 is connected with the heat exchanger 3 to provide support and fixation for the heat exchanger 3, the top of the bracket 23 is provided with a circulating air duct cover 21, and the water diversion valve 20 is arranged on the circulating air duct cover 21, so that pipelines among the water discharge pump 17, the water diversion valve 20, the spray nozzle 27 and the water storage tank 8 are not arranged in the air duct of the clothes dryer.

In addition, the water spraying opening 30 of the nozzle 27 is provided with the dispersing baffle 31, so that water sprayed from the water spraying opening 30 by the nozzle 27 can be dispersed again through the dispersing baffle 31, the excessive concentration of the water is avoided, and the improvement of the spraying effect is facilitated.

For the communication between the water diversion valve 20 and the water storage tank 8, a water inlet pipe 29 is arranged between the water diversion valve 20 and the water storage tank 8, one end of the water inlet pipe 29 is connected with a second water diversion port of the water diversion valve 20, and the other end of the water inlet pipe 29 is connected with a water inlet of the water storage tank 8 and is used for pumping water from the water storage area 4 to the water storage tank 8; the overflow port of the water storage tank 8 is provided with an overflow pipe 19 and is communicated with the water storage area 4 through the overflow pipe 19, so that water overflowed from the water storage tank 8 after being filled can flow back to the water storage area 4 through the overflow pipe 19.

In the present utility model, for any dryer, a heat exchanger 3, a self-cleaning structure as described in this embodiment, may be included, both of which are provided in the dryer air duct, the self-cleaning structure being located upstream of the heat exchanger 3 along the direction of air flow in the dryer air duct. In addition, on the basis of the related components and the assembly relation of the self-cleaning structure provided by the embodiment, the clothes dryer further comprises conventional clothes dryer components including a barrel assembly 5, an air duct system 6, a compressor and the like, and the conventional clothes dryer components can adopt the prior art, so that the description is omitted herein.

In addition, as shown in fig. 9, the present application proposes a main flow in the self-cleaning process of the clothes dryer:

s1, starting a clothes dryer;

s2, judging whether the humidity value HR is more than 150 and maintaining for 60 seconds; if yes, step S3 is carried out; if not, re-executing the step S2;

s3, judging whether the running time of the clothes dryer is less than 45 minutes; if yes, executing normal pumping logic, and then executing step S7; if not, executing a pumping cycle, and then executing step S4;

s4, detecting the water level of the water storage area 4;

s5, judging whether the water level of the water storage area 4 is at a high water level or not and the duration time is more than 10 minutes; if yes, executing normal pumping logic, and then executing step S7; if not, carrying out step S6;

wherein, the drain pump 17 is provided with a float switch 18, and whether the water level of the water storage area 4 reaches a high water level can be detected by the float switch 18; when the float switch 18 is closed, pumping starts when reaching a high water level, and when the float switch is opened, pumping cannot be performed when reaching a low water level.

On the basis, executing normal pumping logic when the water level of the water storage area 4 is at a high water level and the duration time is more than 10 minutes; when the water level of the water storage area 4 is at a low water level or its water level is at a high water level for a duration of < 10 minutes, step S6 is performed.

S6, judging whether to stop the compressor; if yes, executing a self-cleaning stage, and then executing a step S7; if not, returning to the step S4;

wherein in the self-cleaning stage, the water diversion valve 20 is communicated with the nozzle 27, the water discharge pump 17 pumps water from the water storage area 4 and supplies the water to the nozzle 27 through the water diversion valve 20, and the nozzle 27 sprays and cleans towards the filtering device 1.

S7, the clothes dryer carries out a cooling stage until the clothes drying program is finished.

In addition, in the process that the water draining pump 17 pumps water from the water storage area 4 to the water storage tank 8, if the water storage tank 8 is full and overflows through the overflow pipe 19, the clothes dryer can warn to display that the water storage tank 8 is full when the number of times reaches a preset value by detecting the number of times of overflowing water flow in the overflow pipe 19, so that a user is reminded of pouring out the waste water.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a clothes dryer hair bits automatically cleaning structure, its characterized in that, automatically cleaning structure includes filter equipment (1), spray set (2), filter equipment (1) are set up the air intake at heat exchanger (3) of clothes dryer with the mode that can dismantle, spray set (2) nozzle (27) are set up in filter equipment (1) one side of keeping away from heat exchanger (3), spray direction orientation filter equipment (1) windward side of nozzle (27), spray area to filter equipment (1) is being sprayed to nozzle (27) is greater than filter equipment (1) windward side area.

2. Laundry dryer lint self-cleaning structure according to claim 1, characterized in that the spraying device (2) comprises a drain pump (17), a diverter valve (20), the drain pump (17) being arranged in the water storage area (4) of the laundry dryer, the outlet pipe (28) of the drain pump (17) being connected with the water inlet of the diverter valve (20), the first diverter of the diverter valve (20) being in communication with the nozzle (27), the second diverter of the diverter valve (20) being in communication with the water storage tank (8) of the laundry dryer.

3. The clothes dryer lint self-cleaning structure according to claim 2, wherein a spray connecting pipe (22) is arranged between the water diversion valve (20) and the nozzle (27), one end of the spray connecting pipe (22) is connected with a first water diversion port of the water diversion valve (20), and the other end of the spray connecting pipe is communicated with the nozzle (27).

4. A dryer lint self-cleaning structure according to claim 3, characterized in that the spray device (2) comprises a branch pipe (24) and at least two nozzles (27), the branch pipe (24) having a branch port corresponding to each nozzle (27), the water inlet end of the branch pipe (24) being connected to the spray connection pipe (22), the branch port being provided with a nozzle connection pipe (25) and being connected to the corresponding nozzle (27) by means of the nozzle connection pipe (25).

5. The clothes dryer fuzzing self-cleaning structure according to claim 1, wherein the outer wall of the nozzle (27) is provided with a sealing ring (26) and is in sealing connection with an air duct of the clothes dryer through the sealing ring (26); a water jet (30) of the nozzle (27) is provided with a dispersion baffle (31).

6. Laundry dryer lint self-cleaning structure according to claim 1, characterized in that the filtering means (1) are magnetically connected to the door frame assembly (7) of the laundry dryer.

7. The clothes dryer lint self-cleaning structure according to claim 6, wherein the filtering device (1) comprises a filter screen support (9) and a filter screen (10), the filter screen (10) is connected with the filter screen support (9), a magnetic attraction structure (11) is arranged on one side, close to the door frame assembly (7), of the filter screen support (9), a corresponding metal piece (12) is arranged on the door frame assembly (7), and the magnetic attraction structure (11) can be connected with the metal piece (12) in a magnetic attraction mode.

8. Laundry dryer lint self-cleaning structure according to claim 7, characterized in that the door frame assembly (7) is provided with a magnetic proximity switch (13) at a position close to the magnetic attraction structure (11), the magnetic proximity switch (13) is connected with a detection control circuit of the laundry dryer, the magnetic proximity switch (13) can disconnect the detection control circuit when the filtering device (1) is in a detached state, and the magnetic proximity switch (13) can connect the detection control circuit when the filtering device (1) is in an installed state.

9. The clothes dryer flock self-cleaning structure according to claim 1, wherein the base (14) of the clothes dryer is provided with guide ribs (15) and a guide groove (16), the guide ribs (15) are arranged on the outer edge of a groove body of the guide groove (16), one end, close to the base (14), of the filtering device (1) can be clamped with the guide ribs (15), and the guide groove (16) is communicated with the water storage area (4) of the clothes dryer.

10. A clothes dryer, characterized in that it comprises a heat exchanger (3) and a clothes dryer lint self-cleaning structure according to any of claims 1-9, both the heat exchanger (3) and the self-cleaning structure being arranged in the dryer's air duct, the self-cleaning structure being arranged upstream of the heat exchanger (3) in the direction of the air flow in the dryer's air duct.