WO2024078189A1

WO2024078189A1 - Drying system for drying device, and drying device

Info

Publication number: WO2024078189A1
Application number: PCT/CN2023/116788
Authority: WO
Inventors: 张立君; 徐永洪; 方相九; 孟庆川
Original assignee: 青岛海尔洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2022-10-09
Filing date: 2023-09-04
Publication date: 2024-04-18

Abstract

The invention relates to the technical field of clothing processing devices, and provides a drying system for a drying device, and a drying device. The drying system for the drying device comprises: a drying air duct (2) and a heater (3) mounted in the drying air duct (2), the heater (3) being able to heat air flowing past the heater (3), and the heater (3) being inclined relative to the drying air duct (2). Inclining the heater (3) in the drying air duct (2) allows for increasing the volume of the heater (3) within a limited space, such that at the same heating power, the heater (3) can provide more heating energy, thereby improving the drying efficiency of the drying device; and likewise reduces the resistance of the heater (3) on the airflow, thereby increasing the air volume, and further improving the drying efficiency of the drying device.

Description

Drying system and drying equipment for drying equipment

Technical Field

The present invention relates to the technical field of clothing processing equipment, and specifically provides a drying system and a drying equipment for a drying equipment.

Background technique

Drying equipment is a device that can dry clothes. Common drying equipment includes dryers, washer-dryers, etc.

Taking a clothes dryer as an example, the drying system of an existing clothes dryer mainly includes a drying duct, a fan, a condenser, and a heater arranged in the drying duct. In order to improve the drying efficiency, some existing clothes dryers will be equipped with a large heater in the drying duct. However, the space in the clothes dryer is limited. The installation of a large heater requires an increase in the size of the clothes dryer. Some existing clothes dryers will increase the power of the heater. However, increasing the power of the heater will increase the energy consumption of the clothes dryer.

Therefore, this field needs a new technical solution to solve the above problems.

Summary of the invention

In a first aspect, the present invention aims to solve the problem that existing solutions for improving the drying efficiency of drying equipment are not ideal. The present invention provides a drying system for drying equipment, the drying system comprising a drying air duct and a heater installed in the drying air duct, the heater being capable of heating the air flow passing through the heater, wherein the heater is arranged obliquely relative to the drying air duct.

In the preferred technical solution of the drying system for drying equipment, the main body of the heater is a rectangular structure, and the heater is arranged obliquely relative to the drying air duct along its length direction.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, the drying air duct includes a first air duct, a second air duct and a third air duct which are connected in sequence, the first air duct and the second air duct both extend in a horizontal direction and are perpendicular to each other, the third air duct extends downward, the rear end of the first air duct forms an air inlet of the drying air duct, the bottom end of the third air duct forms an air outlet of the drying air duct, and the heater is installed in the second air duct and extends horizontally in the front-to-back direction.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, the front end of the heater is arranged near the end where the second air duct is connected to the first air duct, and the rear end of the heater is arranged near the end where the second air duct is connected to the third air duct.

In the preferred technical solution of the drying system for drying equipment, the inclination angle of the heater is 1.5 to 5 degrees.

In the preferred technical solution of the drying system for drying equipment, the drying system further comprises a filtering device arranged at the upstream end of the heater, and at least a portion of the filtering device is located in the drying air duct to filter the airflow passing through the filtering device.

In the preferred technical solution of the drying system for the drying equipment, a first plug interface is provided on the drying air duct, and a part of the filter device extends into the drying air duct through the first plug interface.

In the preferred technical solution of the drying system for the drying equipment, a second plug interface is provided on the front panel of the drying equipment box at a position corresponding to the first plug interface, and a part of the filtering device passes through the second plug interface and the first plug interface in sequence and extends into the drying air duct.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, the filtering device includes a hand-held component and a filtering component, the front end face of the hand-held component covers the second plug interface from the front, the rear end of the hand-held component is connected to the filtering component, the filtering component sequentially passes through the second plug interface and the first plug interface and extends into the drying air duct, and a part of the filtering component is located in the first plug interface to seal the first plug interface.

In the preferred technical solution of the drying system for the drying equipment, a receiving groove is provided on the front panel, the second plug interface is located in the receiving groove, a part of the hand-held component is located in the receiving groove and the front end face of the hand-held component is flush with the front panel.

In the preferred technical solution of the drying system for drying equipment, the hand-held component includes an end plate and a connecting component arranged on the back of the end plate, the connecting component is connected to the filter component, and the The end plate is located in the accommodating groove and the front end surface of the end plate is flush with the front panel. A hand-held structure is arranged on the front end surface of the end plate.

In the preferred technical solution of the drying system for the drying equipment, the hand-held structure is a groove structure formed on the front end surface of the end plate, and the upper side wall of the groove structure has an opening so that the user's fingers can hook the end plate with the help of the opening.

In the preferred technical solution of the drying system for drying equipment, the heater is a PTC heater.

In a second aspect, the present invention further provides a drying device, which comprises the above-mentioned drying system.

In the preferred technical solution of the above-mentioned drying equipment, the drying equipment is a clothes dryer or a washer-dryer.

When adopting the above-mentioned technical solution, the present invention sets the heater at an angle in the drying air duct, which can increase the volume of the heater within a limited space. Under the same heating power, the heater can provide more heating energy, thereby improving the drying efficiency of the drying equipment; in addition, by setting the heater at an angle, the resistance of the heater to the airflow can also be reduced, thereby increasing the air volume and further improving the drying efficiency of the drying equipment.

Furthermore, a portion of the filter device of the drying equipment of the present invention is located inside the drying air duct, and another portion is located outside the drying air duct. The user can regularly remove the filter device from the drying air duct to clean the filter device to ensure the cleanliness of the filter device.

Furthermore, the filter device of the present invention is connected to the drying air duct by plugging. When the user needs to clean the filter device, he only needs to pull the filter device out of the drying air duct. After cleaning the filter device, the filter device can be inserted into the drying air duct from the first plug interface. The operation is convenient and the user experience is better.

Furthermore, the housing of the clothes dryer of the present invention is provided with a second plug interface at a position corresponding to the first plug interface, and a part of the filter device sequentially passes through the second plug interface and the first plug interface and extends into the drying air duct. By providing the second plug interface on the housing, it is more convenient to install and remove the filter device.

In addition, the drying equipment further provided by the present invention on the basis of the above technical solution includes the above drying system, and thus has the technical effects possessed by the above drying system. Compared with the drying equipment before the improvement, the drying efficiency of the drying equipment of the present invention is higher.

In the third aspect, the present invention aims to solve the problem that the airflow in the drying duct of the existing drying equipment is not smooth when passing through the turning part of the drying duct, thereby affecting the drying efficiency of the drying equipment. The present invention provides a drying system for drying equipment, the drying system comprising a drying duct and a heater and a guide member installed in the drying duct, the heater being capable of heating the airflow passing through the heater, and the guide member being located at the turning part of the drying duct so that the airflow in the drying duct can pass through the turning part smoothly.

In the preferred technical solution of the drying system for drying equipment, the flow guide member has an arc-shaped flow guide surface, and the arc-shaped flow guide surface can guide the airflow to pass through the turning point smoothly.

In the preferred technical scheme of the drying system for the above-mentioned drying equipment, the drying air duct includes a first air duct, a second air duct and a third air duct which are connected in sequence, the first air duct and the second air duct both extend in a horizontal direction and are perpendicular to each other, the third air duct extends downward, the rear end of the first air duct forms an air inlet of the drying air duct, the bottom end of the third air duct forms an air outlet of the drying air duct, the heater is installed in the second air duct, and the guide member is installed at the connection between the first air duct and the second air duct.

In the preferred technical solution of the drying system for drying equipment, the heater is arranged obliquely relative to the second air duct.

In the preferred technical solution of the drying system for drying equipment, the filtering device comprises a handheld component and a filtering component, the front end face of the handheld component covers the second plug interface from the front, the rear end of the handheld component is connected to the filtering component, and the filtering component passes through the second plug interface and the first plug interface in sequence. The interface extends into the drying air duct and a portion of the filter component is located in the first plug interface to seal the first plug interface.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, the hand-held component includes an end plate and a connecting component arranged on the back side of the end plate, the connecting component is connected to the filtering component, the end plate is located in the accommodating groove and the front end face of the end plate is flush with the front panel, and a hand-held structure is arranged on the front end face of the end plate.

In the preferred technical solution of the drying system for drying equipment, the drying air duct is made of plastic material.

In the preferred technical solution of the drying system for the drying equipment, the flow guide member is an arc-shaped flow guide plate.

In a fourth aspect, the present invention further provides a drying device, which includes the above-mentioned drying system.

When the above technical solution is adopted, the drying device of the present invention can improve the smoothness of the air flow by providing a guide component at a turning point in the drying air duct to guide the air flow in the drying air duct, thereby improving the drying efficiency of the drying device.

Furthermore, the flow guide component of the present invention has an arc-shaped flow guide surface, which can guide the airflow to smoothly pass through the turning point in the drying air duct. The flow guide effect is better when the airflow is guided by the arc-shaped flow guide surface.

Furthermore, the present invention sets the heater at an angle in the drying air duct, which can increase the volume of the heater within a limited space. Under the same heating power, the heater can provide more heating energy, thereby improving the drying efficiency of the dryer. In addition, by setting the heater at an angle, the resistance of the heater to the airflow can be reduced, thereby increasing the air volume and further improving the drying efficiency of the dryer.

Furthermore, a part of the filter device of the drying equipment of the present invention is located inside the drying air duct, and the other part is located outside the drying air duct. The user can regularly remove the filter device from the drying air duct to clean the filter device to ensure the cleanliness of the filter device.

In the fifth aspect, the present invention aims to solve the problem of inconvenient cleaning of lint on the filtering device of the existing drying equipment. The present invention provides a drying system for the drying equipment, the drying system comprising a drying air duct, a heater and a filtering device, the heater being installed in the drying air duct and capable of heating the airflow flowing through the heater, a part of the filtering device being located in the drying air duct and capable of filtering the airflow flowing through the filtering device, wherein the filtering device is arranged at the upstream end of the heater and is detachably connected to the drying air duct.

In the preferred technical solution of the drying system for drying equipment, the drying system further comprises an annular sealing member installed in the first plug-in port, and a part of the filtering device passes through the annular sealing member. The component extends into the drying air duct.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, a second plug interface is provided on the housing of the drying equipment at a position corresponding to the first plug interface, and a part of the filtering device passes through the second plug interface and the first plug interface in sequence and extends into the drying air duct.

In the preferred technical solution of the drying system for drying equipment, the second plug interface is formed on the front panel of the box.

In the preferred technical solution of the drying system for the drying device, the hand-held structure is a groove structure formed on the front end surface of the end plate, and the side wall of the groove structure has an opening so that the user's fingers can hook the end plate through the opening.

In the preferred technical solution of the drying system for drying equipment, the opening is formed on the top side wall of the groove structure.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, the filter component includes a connecting shell, a frame and a filter screen installed on the frame, the front end of the connecting shell is connected to the hand-held component, and the back plate of the connecting shell is connected to the frame. When the installation is completed, the connecting shell is located in the first plug interface to seal the first plug interface, and the frame and the filter screen are both located in the drying air duct.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, a first clamping structure is provided on the handheld component, and a second clamping structure is provided on the filter component, and the first clamping structure cooperates with the second clamping structure to clamp and fix the handheld component and the filter component.

In the preferred technical solution of the drying system for the above-mentioned drying equipment, a first guide member is provided on the filter device, and a second guide member is provided in the drying air duct, and the first guide member cooperates with the second guide member to guide the filter device during the movement of the filter member relative to the drying air duct.

In the preferred technical solution of the drying system for the drying equipment, the first plug interface is arranged relative to the air inlet of the drying duct so that the filter device moves toward the air inlet of the drying duct during the insertion process from the first plug interface.

In the preferred technical solution of the drying system for drying equipment, the drying system further comprises a micro switch installed on the front panel, and the micro switch can be triggered when the filter device is in a state of being installed.

In the preferred technical solution of the drying system for drying equipment, the heater is a PTC heater, and the drying air duct is made of plastic material.

In a sixth aspect, the present invention further provides a drying device, which includes the above-mentioned drying system.

When the above technical solution is adopted, a part of the filter device of the drying equipment of the present invention is located inside the drying air duct, and the other part is located outside the drying air duct. The user can regularly remove the filter device from the drying air duct to clean the filter device to ensure the cleanliness of the filter device.

Furthermore, the cabinet of the clothes dryer of the present invention is provided with a The second plug interface, a part of the filter device sequentially passes through the second plug interface and the first plug interface and extends into the drying air duct. By arranging the second plug interface on the box body, it is more convenient to install and disassemble the filter device.

Furthermore, the present invention arranges the second plug interface on the front panel of the box body. By arranging the second plug interface on the front panel of the box body, it is more convenient to place the drying device, so that the removal of the filter device will not be blocked by other items or structures in the room.

Furthermore, the present invention provides a receiving groove on the front panel, the second plug interface is located in the receiving groove, a part of the hand-held component is located in the receiving groove, and the front end surface of the hand-held component is flush with the front panel. By making the front end surface of the hand-held component flush with the front panel of the box, it is beneficial to improve the aesthetics of the clothes dryer.

In addition, the drying equipment further provided by the present invention on the basis of the above-mentioned technical solution includes the above-mentioned drying system, and thus has the technical effects of the above-mentioned drying system. Compared with the drying equipment before the improvement, the drying equipment of the present invention is convenient for users to clean the filter device, thereby ensuring the drying efficiency of the drying equipment.

BRIEF DESCRIPTION OF THE DRAWINGS

The preferred embodiments of the present invention are described below in conjunction with a clothes dryer and the accompanying drawings, in which:

FIG1 is a schematic structural diagram of a clothes dryer according to a first embodiment of the present invention;

FIG2 is a structural schematic diagram of a front panel (only a portion of the front panel is shown), a micro switch and a drying air duct of a clothes dryer according to a first embodiment of the present invention;

FIG3 is a second structural schematic diagram of the front panel (only a portion of the front panel is shown), the micro switch and the drying air duct of the first embodiment of the clothes dryer of the present invention;

FIG4 is a schematic structural diagram of a drying air duct of a clothes dryer according to a first embodiment of the present invention;

5 is a structural schematic diagram 1 of a heater, a filter device, an annular sealing member and a drying air duct (only a part of the drying air duct is shown) of a clothes dryer according to a first embodiment of the present invention;

6 is a second structural schematic diagram of the heater, the filter device, the annular sealing member and the drying air duct (only a part of the drying air duct is shown) of the first embodiment of the clothes dryer of the present invention;

7 is a schematic structural diagram of a heater, an annular sealing member and a drying air duct (only a portion of the drying air duct is shown) of a clothes dryer according to a first embodiment of the present invention;

FIG8 is a schematic structural diagram of a filter device of a clothes dryer according to a first embodiment of the present invention;

FIG9 is a schematic structural diagram of a second embodiment of a clothes dryer according to the present invention;

10 is a structural schematic diagram 1 of a front panel (only a portion of the front panel is shown), a micro switch and a drying air duct of a second embodiment of a clothes dryer of the present invention;

11 is a second structural schematic diagram of the front panel (only a portion of the front panel is shown), the micro switch and the drying air duct of the second embodiment of the clothes dryer of the present invention;

FIG12 is a schematic structural diagram of a drying air duct of a clothes dryer according to a second embodiment of the present invention;

13 is a structural schematic diagram 1 of a heater, a filter device, an annular sealing member and a drying air duct (only a portion of the drying air duct is shown) of a second embodiment of a clothes dryer of the present invention;

14 is a second structural schematic diagram of a heater, a filter device, an annular sealing member and a drying air duct (only a portion of the drying air duct is shown) of a second embodiment of a clothes dryer of the present invention;

15 is a schematic structural diagram of a heater, an annular sealing member and a drying duct (only a portion of the drying duct is shown) of a second embodiment of a clothes dryer of the present invention;

16 is a schematic structural diagram of a filter device of a clothes dryer according to a second embodiment of the present invention;

FIG17 is a schematic structural diagram of a third embodiment of a clothes dryer of the present invention;

FIG18 is a structural schematic diagram 1 of the front panel (only part of the front panel is shown), the micro switch and the drying air duct of the third embodiment of the clothes dryer of the present invention;

19 is a second structural schematic diagram of the front panel (only a portion of the front panel is shown), the micro switch and the drying air duct of the third embodiment of the clothes dryer of the present invention;

FIG20 is a schematic structural diagram of a drying air duct of a clothes dryer according to a third embodiment of the present invention;

21 is a structural schematic diagram 1 of a heater, a filter device, an annular sealing member and a drying air duct (only a part of the drying air duct is shown) of a third embodiment of a clothes dryer of the present invention;

22 is a second structural schematic diagram of the heater, the filter device, the annular sealing member and the drying air duct (only a part of the drying air duct is shown) of the third embodiment of the clothes dryer of the present invention;

23 is a schematic structural diagram of a heater, an annular sealing member and a drying air duct (only a portion of the drying air duct is shown) of a third embodiment of a clothes dryer of the present invention;

FIG24 is a schematic structural diagram of a filter device of a clothes dryer according to a third embodiment of the present invention;

FIG. 25 is a schematic diagram of the structure of the hand-held component of the filter device of the clothes dryer of the third embodiment of the present invention. picture;

FIG. 26 is a schematic structural diagram of a filter component of a filter device of a clothes dryer according to a third embodiment of the present invention.

List of reference numerals:

Embodiment 1

1. Box body; 11. Front panel; 111. Second plug interface; 112. Accommodating groove; 113. Through hole; 12. Door body; 2. Drying air duct; 21. First air duct; 22. Second air duct; 23. Third air duct; 211. Air inlet; 212. First plug interface; 231. Air outlet; 3. Heater; 4. Filter device; 41. Hand-held component; 42. Filter component; 411. End plate; 412. Connecting component; 421. Connecting shell; 422. Frame; 4111. Groove structure; 4112. Opening; 4113. Columnar structure; 4211. Back plate; 5. Annular sealing component; 6. Micro switch.

Embodiment 2

1. Box body; 11. Front panel; 111. Second plug interface; 112. Accommodating groove; 113. Through hole; 12. Door body; 2. Drying air duct; 21. First air duct; 22. Second air duct; 23. Third air duct; 211. Air inlet; 212. First plug interface; 231. Air outlet; 3. Heater; 4. Filter device; 41. Hand-held component; 42. Filter component; 411. End plate; 412. Connecting component; 421. Connecting shell; 422. Frame; 4111. Groove structure; 4112. Opening; 4113. Columnar structure; 4211. Back plate; 5. Annular sealing component; 6. Micro switch; 7. Guide component; 71. Arc guide surface.

Embodiment 3

1. Box body; 11. Front panel; 111. Second plug interface; 112. Accommodating groove; 113. Through hole; 12. Door body; 2. Drying air duct; 21. Air inlet; 22. Air outlet; 23. First plug interface; 24. Second guide member; 3. Heater; 4. Filter device; 41. Hand-held member; 42. Filter member; 411. End plate; 412. Connecting member; 421. Connecting shell; 422. Frame; 4111. Groove structure; 4112. Opening; 4113. Columnar structure; 4121. Hook; 4211. Back panel; 4212. Bayonet; 4221. First guide member; 5. Annular sealing member; 6. Micro switch.

Detailed ways

The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

For example, although the implementation mode described below is introduced in conjunction with a dryer, the technical solution of the present invention is also applicable to other types of drying equipment, such as a washer-dryer, etc. Such adjustments and changes to the applicable objects do not deviate from the principle and scope of the present invention and should be limited within the scope of protection of the present invention.

It should be noted that in the description of the present invention, the terms "front", "rear", "upper", "lower", "left", "right" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "connect", and "install" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Embodiment 1

The first embodiment of the clothes dryer of the present invention will be described below with reference to FIGS. 1 to 8 .

Specifically, as shown in FIG1 , the clothes dryer of the present invention comprises a housing 1 and a clothes drying drum (not shown) and a drying system installed in the housing 1 . The drying system can deliver hot air into the clothes drying drum to dry the clothes in the clothes drying drum.

Exemplarily, as shown in Figures 2 to 6, the drying system includes a drying duct 2, a heater 3, a fan (not shown in the figures) and a condenser (not shown in the figures), the inlet end of the condenser is connected to the drying drum, the outlet end of the condenser is connected to the air inlet 211 of the drying duct 2 through the fan, the air outlet 231 of the drying duct 2 is connected to the drying drum, the heater 3 is installed in the drying duct 2 and can heat the air flow passing through the heater 3, the condenser can condense the humid air, and under the action of the fan, the air flow can circulate in the drying drum, the condenser and the drying duct 2.

Preferably, as shown in FIG. 5 to FIG. 7 , the heater 3 is arranged obliquely relative to the drying air duct 2 .

The heater 3 in the prior art is vertically arranged with the drying air duct 2. The present invention arranges the heater 3 obliquely in the drying air duct 2, which can increase the volume of the heater 3 in a limited space. The power is increased, so that the heater 3 can provide more heating energy, thereby improving the drying efficiency of the dryer.

It should be noted that the present invention does not limit the specific inclination mode and inclination angle of the heater 3, as long as the area of the heater 3 can be increased by inclining the heater 3.

In addition, simulation test results show that by tilting the heater 3 , the resistance of the heater 3 to the airflow can be reduced, thereby increasing the air volume and further improving the drying efficiency of the dryer.

Preferably, as shown in FIG. 6 , the main body of the heater 3 is a rectangular structure, and the heater 3 is arranged obliquely relative to the drying air duct 2 along its length direction.

Exemplarily, the heater 3 of the present invention is a PTC heater, and the rear end of the PTC heater is inclined to the left.

It should be noted that the type of heater 3 is not limited to the above-mentioned PTC heater. Those skilled in the art can flexibly set the specific type of heater 3 according to the specific situation. Of course, it is preferred to set the heater 3 to a PTC heater. The PTC heater has the characteristic of automatic constant temperature. Under no circumstances will it produce phenomena such as "reddening" of the surface of the electric heating tube or excessive temperature, and it has better safety.

Preferably, as shown in Figures 3 to 7, the drying air duct 2 of the present invention includes a first air duct 21, a second air duct 22 and a third air duct 23 which are connected in sequence, the first air duct 21 and the second air duct 22 both extend in the horizontal direction and are perpendicular to each other, the third air duct 23 extends downward, the rear end of the first air duct 21 forms an air inlet 211 of the drying air duct 2, the bottom end of the third air duct 23 forms an air outlet 231 of the drying air duct 2, and the heater 3 is installed in the second air duct 22 and extends horizontally in the front-to-back direction.

Further preferably, as shown in FIG. 6 , the front end of the heater 3 is disposed near the end where the second air duct 22 is connected to the first air duct 21 , and the rear end of the heater 3 is disposed near the end where the second air duct 22 is connected to the third air duct 23 .

Exemplarily, as shown in Figure 6, the first air duct 21 extends horizontally in the front-to-back direction, the second air duct 22 extends horizontally in the left-to-right direction, and the third air duct 23 extends obliquely downward. The front end of the first air duct 21 is connected to the right end of the second air duct 22, and the left end of the second air duct 22 is connected to the top of the third air duct 23. The heater 3 is located in the second air duct 22, extends horizontally in the front-to-back direction, and the rear end of the heater 3 is inclined toward the left side.

Further preferably, as shown in FIG. 6 , the inclination angle of the heater 3 is 1.5 to 5 degrees.

Illustratively, the inclination angle of the heater 3 may be set to 2.0 degrees, 2.5 degrees, 3.0 degrees, 4.0 degrees, or the like.

Preferably, as shown in Figures 1 to 6, the drying system of the present invention also includes a filtering device 4, a part of which is located in the drying air duct 2 and can filter the air flow passing through the filtering device 4, wherein the filtering device 4 is arranged at the upstream end of the heater 3 and is detachably connected to the drying air duct 2.

The filter device 4 can intercept the lint carried by the airflow. A part of the filter device 4 is located inside the drying air duct 2, and the other part is located outside the drying air duct 2. The user can regularly remove the filter device 4 from the drying air duct 2 to clean the filter device 4 to ensure the cleanliness of the filter device 4.

It should be noted that, in actual applications, the filter device 4 can be connected to the drying air duct 2 by plugging, or the filter device 4 can be connected to the drying air duct 2 by snapping, and so on. Those skilled in the art can flexibly set the specific connection method between the filter device 4 and the drying air duct 2, as long as the filter device 4 and the drying air duct 2 can be detachably connected.

Preferably, as shown in FIGS. 1 to 6 , in the present invention, a first plug port 212 is provided on the drying air duct 2 , and a portion of the filter device 4 extends into the drying air duct 2 through the first plug port 212 .

That is to say, the filter device 4 is connected to the drying duct 2 by plugging. When the user needs to clean the filter device 4, he only needs to pull the filter device 4 out of the drying duct 2. After cleaning the filter device 4, the filter device 4 can be inserted into the drying duct 2 from the first plug interface 212. It is easy to operate and provides a better user experience.

Preferably, as shown in Figures 1 to 4, the cabinet 1 of the dryer of the present invention is provided with a second plug interface 111 at a position corresponding to the first plug interface 212, and a portion of the filter device 4 passes through the second plug interface 111 and the first plug interface 212 in sequence and extends into the drying air duct 2.

By providing the second plug-in port 111 on the housing 1 , it is more convenient to install and remove the filter device 4 .

It should be noted that, in actual applications, those skilled in the art may set the second socket interface 111 on the front panel 11 of the box body 1, or may set the second socket interface 111 on the side panel of the box body 1, or may set the second socket interface 111 on the top panel of the box body 1, etc. Such adjustments and changes to the specific setting position of the second socket interface 111 do not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in FIG. 1 to FIG. 3 , the present invention arranges the second plug interface 111 on the front panel 11 of the box body 1 .

The door 12 of the dryer is generally arranged on the front panel 11 of the housing 1. By also arranging the second plug interface 111 on the front panel 11 of the housing 1, it is more convenient to place the dryer, so that the removal of the filter device 4 will not be blocked by other objects or structures in the room.

Exemplarily, as shown in FIG. 1 , the second plug port 111 is located at the upper right corner of the front panel 11 .

Preferably, as shown in FIG. 4 to FIG. 7 , the drying system of the present invention further comprises an annular sealing member 5 installed in the first plug port 212 , and a portion of the filter device 4 extends through the annular sealing member 5 into the drying air duct 2 .

By providing the annular sealing member 5, the gap between the first plug port 212 and the filter device 4 can be sealed. The annular sealing member 5 is preferably made of rubber material.

Preferably, as shown in Figures 5, 6 and 8, the filtering device 4 of the present invention includes a handheld component 411 and a filtering component 42, the front end face of the handheld component 411 covers the second plug interface 111 from the front, the rear end of the handheld component 411 is connected to the filtering component 42, the filtering component 42 passes through the second plug interface 111 and the first plug interface 212 in sequence and extends into the drying air duct 2, and a part of the filtering component 42 is located in the first plug interface 212 to seal the first plug interface 212.

That is to say, the filtering device 4 mainly includes two parts, a hand-held component 411 and a filtering component 42, wherein the filtering component 42 is located inside the drying air duct 2, and mainly plays a filtering role, and the hand-held component 411 is located outside the drying air duct 2, and mainly plays a role in facilitating the installation and removal of the filtering component 42. Specifically, when it is necessary to install or remove the filtering component 42, the user can hold or hook the hand-held component 411 by hand to insert the filtering component 42 into the drying air duct 2 or pull the filtering component 42 out of the drying air duct 2.

In addition, the portion of the filter member 42 close to the handheld member 411 is located in the first plug-in port 212 and fits against the inner wall of the annular sealing member 5 installed in the first plug-in port 212 to seal the first plug-in port 212 .

Preferably, as shown in Figures 1 and 2, the present invention is provided with a receiving groove 112 on the front panel 11, the second plug interface 111 is located in the receiving groove 112, a part of the handheld component 411 is located in the receiving groove 112 and the front end surface of the handheld component 411 is flush with the front panel 11.

By arranging the front end surface of the hand-held component 411 flush with the front panel 11 of the housing 1 , the aesthetics of the clothes dryer is improved.

Preferably, as shown in Figures 1, 5, 6 and 8, the handheld component 411 of the filtering device 4 includes an end plate 411 and a connecting component 412 arranged on the back side of the end plate 411, the connecting component 412 is connected to the filtering component 42, the end plate 411 is located in the accommodating groove 112 and the front end face of the end plate 411 is flush with the front panel 11, and a handheld structure is arranged on the front end face of the end plate 411.

When installing or removing the filter device 4 , the user can hold or hook the end surface with the help of the hand-held structure to insert the filter component 42 into the drying air duct 2 or pull the filter component 42 out of the drying air duct 2 .

It should be noted that, in actual applications, those skilled in the art may set the hand-held structure to a columnar structure 4113, or to a handle structure, or to a groove structure 4111, etc. Such adjustments and changes to the specific structural form of the hand-held structure do not deviate from the principle and scope of the present invention, and should be limited within the scope of protection of the present invention.

In addition, it should be noted that, in actual applications, those skilled in the art may set the connecting member 412 to a plate-like structure, or to a shell structure, etc. Such adjustments and changes to the specific structural form of the connecting member 412 do not deviate from the principle and scope of the present invention, and should be limited within the scope of protection of the present invention.

Preferably, as shown in Figures 1, 5, 6 and 8, the present invention configures the hand-held structure as a groove structure 4111 formed on the front end surface of the end plate 411 of the hand-held component 411, and the side wall of the groove structure 4111 has an opening 4112 so that the user's fingers can hook the end plate 411 with the help of the opening 4112.

The groove structure 4111 is recessed toward the back side of the end plate 411 . When the filter device 4 needs to be disassembled, the user can use the groove structure 4111 to hold the end plate 411 of the handheld component 411 , thereby pulling out the filter device 4 .

It should be noted that, in actual applications, the opening 4112 can be set on the left and right side walls of the groove structure 4111, or the opening 4112 can be set on the bottom side wall of the groove structure 4111, or the opening 4112 can be set on the top side wall of the groove structure 4111. Such adjustments and changes to the specific setting position of the opening 4112 do not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in FIG. 8 , the opening 4112 is formed on the top side wall of the groove structure 4111 .

By arranging the opening 4112 on the top side wall of the groove structure 4111 , the aesthetics of the clothes dryer will not be affected.

Preferably, as shown in FIG8 , the filter member 42 of the present invention comprises a connecting shell 421, a frame 422, and a filter screen (not shown) mounted on the frame 422. The front end of the connecting shell 421 is connected to the handheld member 411, and the back plate 4211 of the connecting shell 421 is connected to the frame 422. When the installation is completed, the connecting shell 421 is located at the first The first plug interface 212 is sealed inside the first plug interface 212 , and the frame 422 and the filter screen are both located in the drying air duct 2 .

The outer wall of the connection shell 421 is tightly fitted with the inner wall of the annular sealing member 5 installed in the first plug port 212 to seal the first plug port 212 . The frame 422 is integrally arranged with the back plate 4211 of the connection shell 421 .

Preferably, as shown in FIG. 2 and FIG. 3 , the drying system of the present invention further comprises a micro switch 6 installed on the front panel 11 , and the micro switch 6 can be triggered when the filter device 4 is in a state of being installed.

Exemplarily, as shown in Figures 2 and 3, the microswitch 6 is installed on the back of the front panel 11, and the front panel 11 is provided with a through hole 113 at a position corresponding to the moving contact of the microswitch 6. As shown in Figure 5, a columnar structure 4113 is provided on the back of the end plate 411 of the handheld component 411. After the filter device 4 is installed in place, the columnar structure 4113 on the end plate 411 passes through the through hole 113 on the front panel 11 and abuts against the moving contact of the microswitch 6, so that the moving contact of the microswitch 6 engages with the static contact, thereby triggering the microswitch 6. After the microswitch 6 is triggered, it can send a signal to the controller of the dryer.

Embodiment 2

9 to 16 , a second embodiment of the clothes dryer of the present invention will be described.

Specifically, as shown in FIG. 9 , the clothes dryer of the present invention comprises a housing 1 and a clothes drying drum (not shown) and a drying system installed in the housing 1 . The drying system can deliver hot air into the clothes drying drum to dry the clothes in the clothes drying drum.

Exemplarily, as shown in Figures 10 to 14, the drying system includes a drying duct 2, a heater 3, a fan (not shown in the figures) and a condenser (not shown in the figures), the inlet end of the condenser is connected to the drying drum, the outlet end of the condenser is connected to the air inlet 211 of the drying duct 2 through the fan, the air outlet 231 of the drying duct 2 is connected to the drying drum, the heater 3 is installed in the drying duct 2 and can heat the air flow passing through the heater 3, the condenser can condense the humid air, and under the action of the fan, the air flow can circulate in the drying drum, the condenser and the drying duct 2.

Preferably, as shown in FIG. 14 and FIG. 15 , the drying system of the present invention further comprises a flow guide member 7 disposed in the drying air duct 2 , and the flow guide member 7 is located at a turning point in the drying air duct 2 to allow the airflow in the drying air duct 2 to pass through the turning point smoothly.

By providing the guide member 7 at the turning point in the drying air duct 2 to guide the airflow in the drying air duct 2, the smoothness of the airflow can be improved, thereby improving the drying efficiency of the clothes dryer.

It should be noted that, in practical applications, those skilled in the art may set the guide component 7 to a plate-like structure, or may set the guide component 7 to a block-like structure, or may set the guide component 7 to a guide groove, etc. The adjustment and change of the specific structural form of the guide component 7 does not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in FIG. 14 and FIG. 15 , the air guide member 7 has an arcuate air guide surface 71 , and the arcuate air guide surface 71 can guide the air flow to smoothly pass through the turning point in the drying air duct 2 .

The airflow is guided by the arc-shaped guide surface 71, and the guide effect is better.

Preferably, as shown in Figures 14 and 15, the flow guide member 7 of the present invention is an arc-shaped flow guide plate, wherein one side of the arc-shaped flow guide plate forms an arc-shaped flow guide surface 71.

Preferably, as shown in Figures 11 to 15, the drying air duct 2 of the present invention includes a first air duct 21, a second air duct 22 and a third air duct 23 which are connected in sequence, the first air duct 21 and the second air duct 22 both extend in a horizontal direction and are perpendicular to each other, the third air duct 23 extends downward, the rear end of the first air duct 21 forms an air inlet 211 of the drying air duct 2, the bottom end of the third air duct 23 forms an air outlet 231 of the drying air duct 2, and the guide member 7 is installed at the connection between the first air duct 21 and the second air duct 22.

Exemplarily, as shown in Figure 14, the first air duct 21 extends horizontally in the front-to-back direction, the second air duct 22 extends horizontally in the left-to-right direction, and the third air duct 23 extends obliquely downward. The front end of the first air duct 21 is connected to the right end of the second air duct 22, and the left end of the second air duct 22 is connected to the top of the third air duct 23. The connection between the first air duct 21 and the second air duct 22 forms a turning point, and the guide component 7 is installed at the turning point. Under the guidance of the guide component 7, the airflow in the first air duct 21 can flow smoothly into the second air duct 22.

Preferably, the drying air duct 2 is made of plastic material.

Compared with the drying duct made of aluminum alloy, the present invention replaces the material of the drying duct 2 with plastic, which can reduce the cost and weight of the drying duct 2 while ensuring that the drying performance of the dryer is not reduced. In addition, the easy processing characteristic of plastic is utilized to facilitate the arrangement of a flow guide component 7 in the drying duct 2.

Preferably, as shown in FIGS. 13 to 15 , the heater 3 is installed in the second air duct 22 of the drying air duct 2 and is tilted relative to the second air duct 22 .

It should be noted that the present invention does not limit the specific tilting manner and tilting angle of the heater 3 , as long as the volume of the heater 3 can be increased by tilting the heater 3 .

Preferably, as shown in Figure 14, the heater 3 extends horizontally in the front-to-back direction, the front end of the heater 3 is arranged near the end where the second air duct 22 is connected to the first air duct 21, and the rear end of the heater 3 is arranged near the end where the second air duct 22 is connected to the third air duct 23.

Preferably, as shown in FIG. 14 , the main body of the heater 3 is a rectangular structure, and the heater 3 is arranged obliquely relative to the drying air duct 2 along its length direction.

Further preferably, as shown in FIG. 14 , the inclination angle of the heater 3 is 1.5 to 5 degrees.

For example, in practical applications, the inclination angle of the heater 3 may be set to 2.0 degrees, 2.5 degrees, 3.0 degrees, 4.0 degrees, or the like.

Preferably, as shown in Figures 9 to 14, the drying system of the present invention also includes a filtering device 4, a part of which is located in the drying air duct 2 and can filter the air flow passing through the filtering device 4, wherein the filtering device 4 is arranged at the upstream end of the heater 3 and is detachably connected to the drying air duct 2.

Preferably, as shown in FIG. 9 to FIG. 14 , the present invention provides a first plug port 212 on the drying air duct 2 , and a portion of the filter device 4 extends into the drying air duct 2 through the first plug port 212 .

Preferably, as shown in Figures 9 to 11, the cabinet 1 of the dryer of the present invention is provided with a second plug interface 111 at a position corresponding to the first plug interface 212, and a portion of the filter device 4 passes through the second plug interface 111 and the first plug interface 212 in sequence and extends into the drying air duct 2.

Preferably, as shown in FIG. 9 to FIG. 11 , the present invention arranges the second plug port 111 on the front panel 11 of the box body 1 .

Exemplarily, as shown in FIG. 9 , the second plug port 111 is located at the upper right corner of the front panel 11 .

Preferably, as shown in FIGS. 12 to 15 , the drying system of the present invention further comprises an annular sealing member 5 installed in the first plug port 212 , and a portion of the filter device 4 extends through the annular sealing member 5 into the drying air duct 2 .

Preferably, as shown in Figures 9, 10, 13 and 16, the filtering device 4 of the present invention includes a hand-held component 41 and a filtering component 42, the front end face of the hand-held component 41 covers the second plug interface 111 from the front, the rear end of the hand-held component 41 is connected to the filtering component 42, the filtering component 42 passes through the second plug interface 111 and the first plug interface 212 in sequence and extends into the drying air duct 2, and a part of the filtering component 42 is located in the first plug interface 212 to seal the first plug interface 212.

That is to say, the filtering device 4 mainly includes two parts, a hand-held component 41 and a filtering component 42, wherein the filtering component 42 is located inside the drying air duct 2, and mainly plays a filtering role, and the hand-held component 41 is located outside the drying air duct 2, and mainly plays a role of facilitating the installation and removal of the filtering component 42. Specifically, when it is necessary to install or remove the filtering component 42, the user can hold or hook the hand-held component 41 by hand to insert the filtering component 42 into the drying air duct 2 or pull the filtering component 42 out of the drying air duct 2.

In addition, the portion of the filter component 42 close to the handheld component 41 is located in the first plug-in port 212 and fits against the inner wall of the annular sealing component 5 installed in the first plug-in port 212 to seal the first plug-in port 212 .

Preferably, as shown in Figures 9 and 10, the present invention is provided with a receiving groove 112 on the front panel 11, the second plug interface 111 is located in the receiving groove 112, a part of the handheld component 41 is located in the receiving groove 112 and the front end surface of the handheld component 41 is flush with the front panel 11.

By arranging the front end surface of the hand-held component 41 flush with the front panel 11 of the housing 1 , the aesthetics of the clothes dryer is improved.

Preferably, as shown in Figures 9, 13, 14 and 16, the handheld component 41 of the filtering device 4 includes an end plate 411 and a connecting component 412 arranged on the back side of the end plate 411, the connecting component 412 is connected to the filtering component 42, the end plate 411 is located in the accommodating groove 112 and the front end face of the end plate 411 is flush with the front panel 11, and a handheld structure is arranged on the front end face of the end plate 411.

It should be noted that, in actual applications, those skilled in the art may set the hand-held structure to a columnar structure, or to a handle structure, or to a groove structure, etc. Such adjustments and changes to the specific structural form of the hand-held structure do not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in Figures 9, 13, 14 and 16, the present invention configures the hand-held structure as a groove structure 4111 formed on the front end surface of the end plate 411 of the hand-held component 41, and the side wall of the groove structure 4111 has an opening 4112 so that the user's fingers can hook the end plate 411 with the help of the opening 4112.

The groove structure 4111 is recessed toward the back side of the end plate 411 . When the filter device 4 needs to be disassembled, the user can use the groove structure 4111 to hold the end plate 411 of the handheld component 41 , thereby pulling out the filter device 4 .

Preferably, as shown in FIG. 16 , the opening 4112 is formed on the top side wall of the groove structure 4111 .

Preferably, as shown in Figure 16, the filter component 42 of the present invention includes a connecting shell 421, a frame 422 and a filter screen installed on the frame 422, the front end of the connecting shell 421 is connected to the handheld component 41, and the back plate 4211 of the connecting shell 421 is connected to the frame 422. When the installation is completed, the connecting shell 421 is located in the first plug interface 212 to seal the first plug interface 212, and the frame 422 and the filter screen are both located in the drying air duct 2.

Preferably, as shown in FIG. 10 and FIG. 11 , the drying system of the present invention further comprises a micro switch 6 installed on the front panel 11 , and the micro switch 6 can be triggered when the filter device 4 is in a state of being installed.

For example, as shown in FIGS. 10 and 11 , the micro switch 6 is mounted on the back of the front panel 11, and the front panel 11 is provided with a through hole 113 at a position corresponding to the moving contact of the micro switch 6. As shown in FIG. 16 , a columnar structure 4113 is provided on the back of the end plate 411 of the handheld member 41. After the filter device 4 is installed in place, the end plate 411 The columnar structure 4113 passes through the through hole 113 on the front panel 11 and abuts against the moving contact of the micro switch 6, so that the moving contact of the micro switch 6 engages with the static contact, thereby triggering the micro switch 6. After the micro switch 6 is triggered, it can send a signal to the controller of the dryer.

Embodiment 3

The third embodiment of the clothes dryer of the present invention will be described below with reference to FIGS. 17 to 26 .

Specifically, as shown in FIG. 17 , the clothes dryer of the present invention comprises a housing 1 and a clothes drying drum (not shown) and a drying system installed in the housing 1 . The drying system can deliver hot air into the clothes drying drum to dry the clothes in the clothes drying drum.

Exemplarily, as shown in Figures 18 to 21, the drying system includes a drying duct 2, a heater 3, a fan (not shown in the figures) and a condenser (not shown in the figures), the inlet end of the condenser is connected to the drying drum, the outlet end of the condenser is connected to the air inlet 21 of the drying duct 2 through the fan, the air outlet 22 of the drying duct 2 is connected to the drying drum, the heater 3 is installed in the drying duct 2 and can heat the air flow passing through the heater 3, the condenser can condense the humid air, and under the action of the fan, the air flow can circulate in the drying drum, the condenser and the drying duct 2.

Preferably, as shown in Figures 17 to 22, the drying system of the present invention also includes a filtering device 4, a part of which is located in the drying air duct 2 and can filter the air flow passing through the filtering device 4, wherein the filtering device 4 is arranged at the upstream end of the heater 3 and is detachably connected to the drying air duct 2.

Preferably, as shown in FIG. 20 to FIG. 22 , the present invention is provided with a first plug port 23 on the drying air duct 2 , and a portion of the filter device 4 extends into the drying air duct 2 through the first plug port 23 .

That is to say, the filter device 4 is connected to the drying duct 2 by plugging. When the user needs to clean the filter device 4, he only needs to pull the filter device 4 out of the drying duct 2. After cleaning the filter device 4, the filter device 4 can be inserted into the drying duct 2 from the first plug interface 23. The operation is convenient and the user experience is better.

Preferably, as shown in Figures 17 to 21, the housing 1 of the dryer of the present invention is provided with a second plug interface 111 at a position corresponding to the first plug interface 23, and a portion of the filter device 4 passes through the second plug interface 111 and the first plug interface 23 in sequence and extends into the drying air duct 2.

Preferably, as shown in FIG. 17 to FIG. 19 , the present invention arranges the second plug port 111 on the front panel 11 of the box body 1 .

Exemplarily, as shown in FIG. 17 , the second plug port 111 is located at the upper right corner of the front panel 11 .

Preferably, as shown in FIGS. 20 to 23 , the drying system of the present invention further comprises an annular sealing member 5 installed in the first plug port 23 , and a portion of the filter device 4 extends through the annular sealing member 5 into the drying air duct 2 .

The gap between the first plug-in port 23 and the filter device 4 can be sealed by providing the annular sealing member 5. The annular sealing member 5 is preferably made of rubber material.

Preferably, as shown in FIGS. 17, 18, 21 and 22, the filter device 4 of the present invention comprises a hand-held component 41 and a filter component 42, the front end face of the hand-held component 41 covers the second plug-in interface 111 from the front, the rear end of the hand-held component 41 is connected to the filter component 42, the filter component 42 sequentially passes through the second plug-in interface 111 and the first plug-in interface 23 and extends into the drying air duct 2, and a part of the filter component 42 is located in the first plug-in interface 23 to cover the first plug-in interface 23. seal.

In addition, the portion of the filter component 42 close to the hand-held component 41 is located in the first plug-in port 23 and fits against the inner wall of the annular sealing component 5 installed in the first plug-in port 23 to seal the first plug-in port 23 .

Preferably, as shown in Figures 17 and 18, the present invention is provided with a accommodating groove 112 on the front panel 11, the second plug interface 111 is located in the accommodating groove 112, a part of the handheld component 41 is located in the accommodating groove 112 and the front end surface of the handheld component 41 is flush with the front panel 11.

Preferably, as shown in Figures 17, 21, 22 and 24, the handheld component 41 of the filtering device 4 includes an end plate 411 and a connecting component 412 arranged on the back side of the end plate 411, the connecting component 412 is connected to the filtering component 42, the end plate 411 is located in the accommodating groove 112 and the front end face of the end plate 411 is flush with the front panel 11, and a handheld structure is arranged on the front end face of the end plate 411.

Preferably, as shown in Figures 17, 21, 22 and 24, the present invention configures the hand-held structure as a groove structure 4111 formed on the front end surface of the end plate 411 of the hand-held component 41, and the side wall of the groove structure 4111 has an opening 4112 so that the user's fingers can hook the end plate 411 with the help of the opening 4112.

Preferably, as shown in FIG. 21 , FIG. 22 and FIG. 24 , the opening 4112 is formed on the top side wall of the groove structure 4111 .

Preferably, as shown in Figures 21, 22, 24 and 26, the filter component 42 of the present invention includes a connecting shell 421, a frame 422 and a filter screen (not shown in the figures) installed on the frame 422, the front end of the connecting shell 421 is connected to the handheld component 41, the back plate 4211 of the connecting shell 421 is connected to the frame 422, and when the installation is completed, the connecting shell 421 is located in the first plug interface 23 to seal the first plug interface 23, and the frame 422 and the filter screen are both located in the drying air duct 2.

The outer wall of the connection shell 421 is tightly fitted with the inner wall of the annular sealing member 5 installed in the first plug port 23 to seal the first plug port 23 . The frame 422 is integrally arranged with the back plate 4211 of the connection shell 421 .

Preferably, as shown in Figures 21, 22, 24, 25 and 26, a first clamping structure is provided on the handheld component 41, and a second clamping structure is provided on the filter component 42, and the first clamping structure cooperates with the second clamping structure to clamp and fix the handheld component 41 and the filter component 42.

Exemplarily, the first snap-fitting structure is a snap hook 4121 disposed on the connecting member 412 of the hand-held member 41 , and the second snap-fitting structure is a snap socket 4212 disposed on the connecting shell 421 of the filter member 42 , and the snap hook 4121 is matched with the snap socket 4212 .

It should be noted that the first clamping structure and the second clamping structure are not limited to the structure in which the above-mentioned clamping hook 4121 cooperates with the clamping hook 4121. For example, the first clamping structure and the second clamping structure can also be set as a clamping plate and a clamping plate. The structure of the card slot matching each other, or being set as two buckles, etc., such adjustment and change of the specific structural form of the first card connection structure and the second card connection structure does not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in Figures 21 to 24, a first guide member 4221 is provided on the filter device 4, and a second guide member 24 is provided in the drying duct 2. The first guide member 4221 cooperates with the second guide member 24 to guide the filter device 4 when the filter member 42 moves relative to the drying duct 2.

Exemplarily, the first guide member 4221 is a strip guide groove formed on the frame 422 of the filter device 4, and the second guide member 24 is a strip guide rib arranged on the inner wall of the drying air duct 2. The strip guide groove is adapted to the strip guide rib, and during the installation and disassembly of the filter component 42, the strip guide groove can slide along the strip guide rib.

It should be noted that the first guide member 4221 and the second guide member 24 are not limited to the above-mentioned structure in which the strip guide groove and the strip guide rib cooperate. For example, the first guide member 4221 and the second guide member 24 can also be set as a structure in which the guide block cooperates with the strip guide groove, etc. The adjustment and change of the specific structural form of the first guide member 4221 and the second guide member 24 does not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in FIGS. 20 to 23 , the first plug interface 23 is arranged opposite to the air inlet 21 of the drying duct 2 so that the filter device 4 moves toward the air inlet 21 of the drying duct 2 during insertion from the first plug interface 23 .

Through such an arrangement, during the installation of the filter device 4, the lint remaining in the drying duct 2 can be pushed toward the air inlet 21 of the drying duct 2. In the next drying process, the lint is blown directly onto the filter net by the wind, preventing the lint from entering the heater 3.

Preferably, as shown in FIG. 18 and FIG. 19 , the drying system of the present invention further comprises a micro switch 6 installed on the front panel 11 , and the micro switch 6 can be triggered when the filter device 4 is in a state of being installed.

Exemplarily, as shown in Figures 18 and 19, the microswitch 6 is installed on the back of the front panel 11, and the front panel 11 is provided with a through hole 113 at a position corresponding to the moving contact of the microswitch 6. As shown in Figure 24, a columnar structure 4113 is provided on the back of the end plate 411 of the handheld component 41. After the filter device 4 is installed in place, the columnar structure 4113 on the end plate 411 passes through the through hole 113 on the front panel 11 and abuts against the moving contact of the microswitch 6, so that the moving contact of the microswitch 6 engages with the static contact, thereby triggering the microswitch 6. After the microswitch 6 is triggered, it can send a signal to the controller of the dryer.

Preferably, as shown in FIGS. 18 to 20 , the heater 3 of the present invention is a PTC heater, and the drying air duct 2 is made of plastic material.

Those skilled in the art will appreciate that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims of the present application, any one of the claimed embodiments may be used in any combination.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

A drying system for drying equipment, characterized in that the drying system comprises a drying air duct and a heater installed in the drying air duct, wherein the heater is capable of heating an air flow passing through the heater.

Wherein, the heater is arranged obliquely relative to the drying air duct.
The drying system for drying equipment according to claim 1 is characterized in that the main body of the heater is a rectangular structure, and the heater is inclined relative to the drying air duct along its length direction.
The drying system for drying equipment according to claim 2 is characterized in that the drying air duct includes a first air duct, a second air duct and a third air duct connected in sequence, the first air duct and the second air duct both extend in a horizontal direction and are perpendicular to each other, the third air duct extends downward, the rear end of the first air duct forms an air inlet of the drying air duct, the bottom end of the third air duct forms an air outlet of the drying air duct, and the heater is installed in the second air duct and extends horizontally in the front-to-back direction.
The drying system for drying equipment according to claim 3 is characterized in that the front end of the heater is arranged near the end where the second air duct is connected to the first air duct, and the rear end of the heater is arranged near the end where the second air duct is connected to the third air duct.
The drying system for drying equipment according to claim 4, characterized in that the inclination angle of the heater is 1.5 to 5 degrees.
The drying system for drying equipment according to claim 1 is characterized in that the drying system also includes a filtering device arranged at the upstream end of the heater, and at least a portion of the filtering device is located in the drying air duct to filter the airflow passing through the filtering device.
The drying system for drying equipment according to claim 6 is characterized in that a first plug interface is provided on the drying air duct, and a part of the filter device extends into the drying air duct through the first plug interface.
The drying system for drying equipment according to claim 7 is characterized in that a second plug interface is provided on the front panel of the housing of the drying equipment at a position corresponding to the first plug interface, and a part of the filtering device passes through the second plug interface and the first plug interface in sequence and extends into the drying air duct.
The drying system for drying equipment according to claim 8 is characterized in that the filtering device includes a hand-held component and a filtering component, the front end face of the hand-held component covers the second plug interface from the front, the rear end of the hand-held component is connected to the filtering component, the filtering component sequentially passes through the second plug interface and the first plug interface and extends into the drying air duct, and a part of the filtering component is located in the first plug interface to seal the first plug interface.
The drying system for drying equipment according to claim 9 is characterized in that a receiving groove is provided on the front panel, the second plug interface is located in the receiving groove, a part of the hand-held component is located in the receiving groove and the front end surface of the hand-held component is flush with the front panel.
The drying system for drying equipment according to claim 10 is characterized in that the hand-held component includes an end plate and a connecting component arranged on the back side of the end plate, the connecting component is connected to the filtering component, the end plate is located in the accommodating groove and the front end surface of the end plate is flush with the front panel, and a hand-held structure is arranged on the front end surface of the end plate.
According to the drying system for drying equipment according to claim 11, it is characterized in that the hand-held structure is a groove structure formed on the front end surface of the end plate, and the upper side wall of the groove structure has an opening so that the user's fingers can hook the end plate with the help of the opening.
The drying system for drying equipment according to any one of claims 1 to 12, characterized in that the heater is a PTC heater.
A drying device, characterized by comprising the drying system according to any one of claims 1 to 13.
The drying device according to claim 14 is characterized in that the drying device is a clothes dryer or a washer-dryer.
A drying system for drying equipment, characterized in that the drying system includes a drying air duct and a heater and a guide member installed in the drying air duct, the heater can heat the air flow passing through the heater, and the guide member is located at a turning point in the drying air duct to allow the air flow in the drying air duct to pass through the turning point smoothly.
The drying system for drying equipment according to claim 16 is characterized in that the guide member has an arc-shaped guide surface, and the arc-shaped guide surface can guide the airflow to pass through the turning point smoothly.
The drying system for drying equipment according to claim 16 is characterized in that the drying air duct includes a first air duct, a second air duct and a third air duct connected in sequence, the first air duct and the second air duct both extend in a horizontal direction and are perpendicular to each other, the third air duct extends downward, the rear end of the first air duct forms an air inlet of the drying air duct, the bottom end of the third air duct forms an air outlet of the drying air duct, the heater is installed in the second air duct, and the guide member is installed at the connection between the first air duct and the second air duct.
The drying system for drying equipment according to claim 18, characterized in that the heater is arranged obliquely relative to the second air duct.
The drying system for drying equipment according to claim 16 is characterized in that the drying system also includes a filtering device arranged at the upstream end of the heater, and at least a portion of the filtering device is located in the drying air duct to filter the air flow passing through the filtering device.
The drying system for drying equipment according to claim 20 is characterized in that a first plug interface is provided on the drying air duct, and a part of the filtering device extends into the drying air duct through the first plug interface.
The drying system for drying equipment according to claim 21 is characterized in that a second plug interface is provided on the front panel of the box of the drying equipment at a position corresponding to the first plug interface, and a part of the filtering device passes through the second plug interface and the first plug interface in sequence and extends into the drying air duct.
The drying system for drying equipment according to claim 22 is characterized in that the filtering device includes a hand-held component and a filtering component, the front end face of the hand-held component covers the second plug interface from the front, the rear end of the hand-held component is connected to the filtering component, the filtering component sequentially passes through the second plug interface and the first plug interface and extends into the drying air duct, and a part of the filtering component is located in the first plug interface to seal the first plug interface.
The drying system for drying equipment according to claim 23 is characterized in that a receiving groove is provided on the front panel, the second plug interface is located in the receiving groove, a part of the hand-held component is located in the receiving groove and the front end face of the hand-held component is flush with the front panel.
The drying system for drying equipment according to claim 24 is characterized in that the hand-held component includes an end plate and a connecting component arranged on the back side of the end plate, the connecting component is connected to the filtering component, the end plate is located in the accommodating groove and the front end face of the end plate is flush with the front panel, and a hand-held structure is arranged on the front end face of the end plate.
According to the drying system for drying equipment according to claim 25, it is characterized in that the hand-held structure is a groove structure formed on the front end surface of the end plate, and the upper side wall of the groove structure has an opening so that the user's fingers can hook the end plate with the help of the opening.
The drying system for drying equipment according to claim 16, characterized in that the heater is a PTC heater.
The drying system for drying equipment according to claim 16, characterized in that the drying air duct is made of plastic material.
The drying system for drying equipment according to any one of claims 16 to 28, characterized in that the guide member is an arc-shaped guide plate.
A drying device, characterized by comprising the drying system according to any one of claims 16 to 29.
The drying device according to claim 30 is characterized in that the drying device is a clothes dryer or a washer-dryer.
A drying system for drying equipment, characterized in that the drying system comprises a drying air duct, a heater and a filtering device, wherein the heater is installed in the drying air duct and can heat the airflow passing through the heater, and a part of the filtering device is located in the drying air duct and can filter the airflow passing through the filtering device.

Wherein, the filtering device is arranged at the upstream end of the heater and is detachably connected to the drying air duct.
The drying system for drying equipment according to claim 32 is characterized in that a first plug interface is provided on the drying air duct, and a part of the filtering device passes through the first plug interface and extends into the drying air duct.
The drying system for drying equipment according to claim 33 is characterized in that the drying system also includes an annular sealing component installed in the first plug interface, and a part of the filtering device passes through the annular sealing component and extends into the drying air duct.
According to the drying system for drying equipment according to claim 33, it is characterized in that a second plug interface is provided on the housing of the drying equipment at a position corresponding to the first plug interface, and a part of the filtering device passes through the second plug interface and the first plug interface in sequence and extends into the drying air duct.
The drying system for drying equipment according to claim 35 is characterized in that the second plug interface is formed on the front panel of the box.
The drying system for drying equipment according to claim 36 is characterized in that the filtering device includes a hand-held component and a filtering component, the front end face of the hand-held component covers the second plug interface from the front, the rear end of the hand-held component is connected to the filtering component, the filtering component passes through the second plug interface and the first plug interface in sequence and extends into the drying air duct, and a part of the filtering component is located in the first plug interface to seal the first plug interface.
The drying system for drying equipment according to claim 37 is characterized in that a accommodating groove is provided on the front panel, the second plug interface is located in the accommodating groove, a part of the hand-held component is located in the accommodating groove and the front end face of the hand-held component is flush with the front panel.
The drying system for drying equipment according to claim 38 is characterized in that the hand-held component includes an end plate and a connecting component arranged on the back side of the end plate, the connecting component is connected to the filtering component, the end plate is located in the accommodating groove and the front end face of the end plate is flush with the front panel, and a hand-held structure is arranged on the front end face of the end plate.
According to the drying system for drying equipment according to claim 39, it is characterized in that the hand-held structure is a groove structure formed on the front end surface of the end plate, and the side wall of the groove structure has an opening so that the user's fingers can hook the end plate with the help of the opening.
The drying system for drying equipment according to claim 40 is characterized in that the opening is formed on the top side wall of the groove structure.
The drying system for drying equipment according to claim 37 is characterized in that the filter component includes a connecting shell, a frame and a filter screen installed on the frame, the front end of the connecting shell is connected to the hand-held component, and the back plate of the connecting shell is connected to the frame. When the installation is completed, the connecting shell is located in the first plug interface to seal the first plug interface, and the frame and the filter screen are both located in the drying air duct.
The drying system for drying equipment according to claim 37 is characterized in that a first clamping structure is provided on the hand-held component, and a second clamping structure is provided on the filter component, and the first clamping structure cooperates with the second clamping structure to clamp and fix the hand-held component and the filter component.
The drying system for drying equipment according to claim 33 is characterized in that a first guide member is provided on the filter device, and a second guide member is provided in the drying air duct, and the first guide member cooperates with the second guide member to guide the filter device during the movement of the filter member relative to the drying air duct.
The drying system for drying equipment according to claim 33 is characterized in that the first plug interface is arranged relative to the air inlet of the drying air duct so that the filter device moves toward the air inlet of the drying air duct during the process of being inserted from the first plug interface.
The drying system for drying equipment according to claim 36 is characterized in that the drying system also includes a micro switch installed on the front panel, and the micro switch can be triggered when the filter device is in an installed state.
The drying system for drying equipment according to any one of claims 32 to 46 is characterized in that the heater is a PTC heater and the drying air duct is made of plastic material.
A drying device, characterized in that it comprises the drying system according to any one of claims 32 to 47.
The drying device according to claim 48 is characterized in that the drying device is a clothes dryer or a washer-dryer.