CN115852654A

CN115852654A - Heat pump drying system of drying equipment and drying equipment

Info

Publication number: CN115852654A
Application number: CN202211400639.XA
Authority: CN
Inventors: 潘永坤; 姜文锋; 徐光傲; 侯卫东
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-28

Abstract

The invention relates to the technical field of clothes treatment, and particularly provides a heat pump drying system of drying equipment and the drying equipment, aiming at solving the problem that the arrangement of an air inlet pipeline of the existing drying equipment is not optimized. Therefore, the heat pump drying system comprises a drying air duct, a fan arranged on the drying air duct, a drainage pipeline communicated with the drying air duct and used for discharging condensed water, an air inlet pipeline and an air outlet pipeline, wherein the first end of the air inlet pipeline is communicated with the outside of a box body of the drying equipment, the second end of the air inlet pipeline is communicated with the drying air duct through the drainage pipeline, one end of the air outlet pipeline is communicated with the outside of the box body of the drying equipment, and the other end of the air outlet pipeline is communicated with the drying air duct. Through such setting, on the one hand, need not to set up a intercommunicating pore that is used for communicateing the air inlet pipeline on the stoving wind channel alone again, on the other hand, can also simplify the pipeline setting, reduce occupation space, the optimal arrangement.

Description

Heat pump drying system of drying equipment and drying equipment

Technical Field

The invention relates to the technical field of clothes treatment, and particularly provides a heat pump drying system of drying equipment and the drying equipment.

Background

Drying equipment is equipment capable of drying clothes, and common drying equipment includes a clothes dryer, a washing and drying integrated machine and the like.

Taking the washing and drying integrated machine as an example, the existing washing and drying integrated machine can wash clothes and dry the clothes after the washing is finished, and the existing washing and drying integrated machine also has a fresh air function, and fresh air can be introduced by arranging an air inlet pipeline and an air outlet pipeline to communicate a drying air channel with the outside of the box body.

However, in order to install an air inlet pipeline, a communication hole is generally formed in a drying air duct of the existing washing and drying integrated machine so as to communicate the air inlet pipeline with the drying air duct, and the arrangement is not optimized enough.

Therefore, there is a need in the art for a new solution to the above problems.

Disclosure of Invention

The invention aims to solve the technical problem, namely, the problem that the arrangement of an air inlet pipeline of the existing drying equipment is not optimized.

In a first aspect, the invention provides a heat pump drying system of a drying device, the heat pump drying system includes a drying air duct, a fan installed on the drying air duct, and a drainage pipeline communicated with the drying air duct and used for discharging condensed water, the heat pump drying system further includes an air inlet pipeline and an air outlet pipeline, a first end of the air inlet pipeline is communicated with the outside of a box body of the drying device, a second end of the air inlet pipeline is communicated with the drying air duct by means of the drainage pipeline, one end of the air outlet pipeline is communicated with the outside of the box body of the drying device, and the other end of the air outlet pipeline is communicated with the drying air duct.

In a preferred technical solution of the heat pump drying system of the above drying apparatus, the heat pump drying system further includes a filter member installed in the air intake pipeline, and the filter member is capable of filtering an air flow passing through the filter member.

In a preferred technical solution of the heat pump drying system of the above drying apparatus, the filter member is detachably connected to the air intake duct.

In the preferable technical scheme of the heat pump drying system of the drying equipment, the inner wall of the air inlet pipeline is provided with a clamping structure, and the filtering component is clamped in the air inlet pipeline by the clamping structure.

In a preferred technical solution of the heat pump drying system of the above drying apparatus, the filter member is a circular filter mesh.

In an optimal technical scheme of the heat pump drying system of the drying device, the drying air duct is provided with a first communication hole at the downstream end of the fan, and the first communication hole is communicated with the other end of the air outlet pipeline and is opposite to the air outlet end of the fan.

In a preferred technical solution of the heat pump drying system of the above drying apparatus, one end of the air outlet pipeline extends to a front panel of the box body, a second communication hole is provided on the front panel, and the air outlet pipeline is communicated with the outside of the box body by means of the second communication hole.

In an optimal technical scheme of the heat pump drying system of the drying equipment, one end of the air outlet pipeline is provided with an air speed reducing structure to reduce the speed of air flow discharged from the air outlet pipeline.

In a preferred technical solution of the heat pump drying system of the above drying apparatus, a first end of the air inlet pipeline extends to a back plate of the box body, the back plate is provided with a third communication hole, and the air inlet pipeline is communicated with the outside of the box body through the third communication hole.

In a preferred technical scheme of the heat pump drying system of the drying equipment, a first end of the air inlet pipeline is provided with a gas acceleration structure so as to increase the speed of air flow entering the air inlet pipeline.

In a preferred technical solution of the heat pump drying system of the drying apparatus, the heat pump drying system further includes a first electric control valve installed on the air intake pipeline, and the first electric control valve is used for controlling the on-off state of the air intake pipeline.

In a preferred technical scheme of the heat pump drying system of the drying device, the heat pump drying system further comprises a second electric control valve installed on the air outlet pipeline, and the second electric control valve is used for controlling the on-off state of the air outlet pipeline.

In a second aspect, the invention also provides a drying apparatus, which includes the heat pump drying system.

In the preferable technical scheme of the drying equipment, the drying equipment is a clothes dryer or a washing and drying integrated machine.

Under the condition of adopting the technical scheme, the washing and drying integrated machine can communicate the air inlet pipeline with the drying air duct by virtue of the drainage pipeline, on one hand, a communication hole for communicating the air inlet pipeline is not required to be independently arranged on the drying air duct, on the other hand, the pipeline arrangement can be simplified, the occupied space is reduced, and the arrangement is optimized.

Furthermore, the heat pump drying system further comprises a filtering component arranged in the air inlet pipeline, and the filtering component can filter air flow passing through the filtering component. Through the arrangement, impurities can be prevented from entering along the air inlet pipeline.

Still further, the stoving wind channel is provided with first through-hole at the downstream end of fan, and first through-hole communicates with the other end of air-out pipeline and sets up with the air-out end of fan relatively. Through such setting for the direction of first through-hole is unanimous with the flow direction of air current, and the kinetic energy that can make full use of air current increases the airflow that gets into the air outlet pipeline, discharges more air currents to the outside of box, thereby can inhale more fresh air, improves the ventilation effect.

Still further, one end of the air outlet pipeline extends to the front panel of the box body, a second communication hole is formed in the front panel, and the air outlet pipeline is communicated with the outside of the box body through the second communication hole. Through such setting, be more favorable to making the air current discharge along the tuber pipe way.

Still further, one end of the air outlet pipeline is provided with an air deceleration structure to reduce the speed of the air flow discharged from the air outlet pipeline. Through such setting, can avoid leading to the fact the influence to the user from air-out pipeline exhaust stream.

Still further, the first end of the air inlet pipeline is provided with a gas speed increasing structure so as to increase the speed of the airflow entering the air inlet pipeline. Through such setting, can make more fresh air get into the air intake pipeline, improve ventilation effect.

In addition, the drying equipment further provided on the basis of the technical scheme of the invention comprises the heat pump drying system, so that the drying equipment further has the technical effects of the heat pump drying system.

Drawings

Preferred embodiments of the present invention are described below in conjunction with a washer dryer and the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the construction of the washer dryer of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

FIG. 4 is a schematic view of the drain line, the air inlet line and the filter member of the integrated washer dryer of the present invention;

FIG. 5 is a schematic view of the drain line and the air inlet line of the integrated washer dryer of the present invention;

fig. 6 is an enlarged schematic view at C in fig. 5.

List of reference numbers:

1. a box body; 11. a front panel; 12. a back plate; 111. a second communication hole; 121. a third communication hole;

2. an outer cylinder;

3. an inner barrel;

4. a drying air duct; 41. a first communication hole;

5. a fan;

6. an air inlet pipeline; 61. a gas acceleration structure; 62. a filter member; 63. a clamping structure;

7. an air outlet pipeline; 71. a gas deceleration structure;

81. a drain line; 82. a condenser; 83. an evaporator;

91. a first electrically controlled valve; 92. a second electrically controlled valve.

Detailed Description

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 for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

For example, although the following embodiments are described in conjunction with a washing and drying machine, the technical solution of the present invention is also applicable to other types of drying equipment, such as a clothes dryer, etc., and such modifications and changes to the applicable objects are not departing from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "mounted" are to be construed broadly and may be, for example, a fixed connection, a detachable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The air inlet pipeline of the existing washing and drying integrated machine is not optimized enough based on the background technology. The invention provides a heat pump drying system of a washing and drying integrated machine and the washing and drying integrated machine, which aim to communicate an air inlet pipeline with a drying air duct by means of a drainage pipeline, on one hand, a communication hole for communicating an air inlet pipeline is not required to be independently arranged on the drying air duct, on the other hand, the pipeline arrangement can be simplified, the occupied space is reduced, and the arrangement is optimized.

Specifically, as shown in fig. 1, the washing and drying all-in-one machine of the invention comprises a box body 1, and an outer cylinder 2, an inner cylinder 3 and a heat pump drying system which are arranged in the box body 1, wherein the inner cylinder 3 is rotatably arranged in the outer cylinder 2.

The heat pump drying system comprises a drying air duct 4, a fan 5, an air inlet pipeline 6, an air outlet pipeline 7 and a water discharge pipeline 81, wherein the fan 5 is installed on the drying air duct 4, the water discharge pipeline 81 is communicated with the drying air duct 4 and used for discharging condensed water, the first end of the air inlet pipeline 6 is communicated with the outside of a box body 1, the second end of the air inlet pipeline 6 is communicated with the drying air duct 4 through the water discharge pipeline 81, one end of the air outlet pipeline 7 is communicated with the outside of the box body 1, and the other end of the air outlet pipeline 7 is communicated with the drying air duct 4.

Through with air inlet pipeline 6 and stoving wind channel 4 intercommunication with the help of drainage pipe 81, directly communicate air inlet pipeline 6 and drainage pipe 81 promptly, through drainage pipe 81 indirect with stoving wind channel 4 intercommunication, on the one hand, need not to set up one alone on stoving wind channel 4 again and be used for communicateing air inlet pipeline 6 intercommunicating pore, and on the other hand, can also simplify the pipeline setting, reduces occupation space, preferred the arranging.

As shown in fig. 1, the heat pump drying system of the present embodiment further includes a compressor (not shown), a condenser 82 and an evaporator 83 connected in sequence, wherein the evaporator 83 and the condenser 82 are installed in the drying air duct 4, moisture carried by the hot and humid air is condensed when the hot and humid air flows through the evaporator 83, so that the hot and humid air is changed into dry air, the dry air is heated when the hot and humid air flows through the condenser 82, so that the dry air is changed into hot air, and the hot air is blown into the inner drum 3 to dry the clothes in the inner drum 3.

Exemplarily, as shown in fig. 1, one end of the drying air duct 4 is communicated with the rear portion of the inner barrel 3, the other end of the drying air duct 4 is communicated with the front end of the inner barrel 3, the evaporator 83, the condenser 82 and the fan 5 are disposed in the drying air duct 4 along the flow direction of the air flow, the top end of the drainage pipeline 81 is communicated with the drying air duct 4, the connection position of the evaporator 83 and the drainage pipeline 81 is located at the bottom end of the evaporator 83, the condensed water on the evaporator 83 falls onto the drying air duct 4 and enters the drainage pipeline 81 to flow out along the drainage pipeline 81, and the compressor is connected with the condenser 82 and the evaporator 83 through refrigerant pipelines.

In the process of drying the clothes, the compressor is started to operate, the air flow circularly flows along the inner drum 3 and the drying air duct 4 under the action of the fan 5, moisture carried by the hot and humid air is condensed when the hot and humid air flows through the evaporator 83, so that the hot and humid air is changed into dry air, the dry air is heated when the dry air flows through the condenser 82, so that the dry air is changed into hot air, and the hot air is blown into the inner drum 3 to dry the clothes in the inner drum 3.

After the clothes are dried, the fan 5 continues to operate, but the compressor stops operating, the condenser 82 does not heat air any more, under the action of the fan 5, cold air outside the box body 1 enters the drying air duct 4 along the air inlet pipeline 6, the cold air is mixed with high-temperature air in the drying air duct 4 and then continues to flow along the drying air duct 4, when the mixed air flows through the joint of the drying air duct 4 and the air outlet pipeline 7, a part of air continues to flow into the inner barrel 3 along the drying air duct 4, and a part of air is discharged to the outside of the box body 1 along the air inlet pipeline 6, so that an inner circulation and an outer circulation are formed inside the box body 1, the temperature in the box body 1 can be quickly reduced, and the cooling time is shortened.

It should be noted that, the air inlet pipeline 6 and the air outlet pipeline 7 are arranged to communicate the drying air duct 4 with the outside of the box body 1, which not only can achieve the above-described function, but also has other functions.

For example, if the user does not select a drying program, the effects of dehumidification, clothes drying and odor removal can be realized by arranging the air inlet pipeline 6 and the air outlet pipeline 7, and the bacterial growth in the cylinder is reduced.

Specifically, after a user washes clothes, the inside of the drum is damp, the fan 5 is started at the moment, airflow exchange between the inside of the drum and the external environment is enhanced, the drying air duct 4, the air inlet pipeline 6 and the air outlet pipeline 7 form an inner circulation and an outer circulation, the two circulations have different functions, the inner circulation is large in air volume and high in air speed, moisture on the surface of the clothes can be taken away quickly, the outer circulation mainly has the function of discharging the moisture, the air in the drum is prevented from reaching a saturated state, the moisture on the surface of the clothes can be taken away continuously, the environment in the drying drum is prevented from generating peculiar smell and mould, and the like; in addition, if the user does not take out the clothes in time after washing the clothes, especially at night, the fan 5 is started at the moment and is matched with the inner drum 3 to rotate, so that clothes wrinkles can be avoided, the water content of the clothes is reduced, and the effect of wearing a small amount of clothes at the earliest moment can be realized; therefore, the fresh air work can be operated under the conditions of low noise and low power consumption.

Preferably, as shown in fig. 4, the heat pump drying system of the present invention further includes a filtering member 62 installed in the air intake duct 6, wherein the filtering member 62 is capable of filtering the air flow passing through the filtering member 62.

By filtering the air flow by providing the filter member 62 in the air intake duct 6, it is possible to prevent the entry of foreign substances along the air intake duct 6.

It should be noted that, in practical applications, the filter member 62 may be configured as a filter net, or the filter member 62 may also be configured as gauze, etc., and such modifications and changes to the specific structural form of the filter member 62 do not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Furthermore, it should be noted that, in practical applications, a person skilled in the art may install the filtering member 62 at a position close to the first end of the air intake duct 6, or may install the filtering member 62 at a position close to the second end of the air intake duct 6, or may install the filtering member 62 at an intermediate position of the air intake duct 6, etc., and such adjustment and change of the specific installation position of the filtering member 62 do not depart 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. 4, the filter member 62 is disposed proximate to the first end of the air intake duct 6.

That is, the filter member 62 is disposed near the inlet end of the intake duct 6, so that the filter member 62 can be cleaned of foreign substances.

Preferably, as shown in fig. 4, the filter member 62 is detachably connected to the air intake duct 6.

By providing the filter element 62 in removable connection with the air inlet duct 6, removal of the filter element 62 from the air inlet duct 6 is facilitated, allowing the filter element 62 to be replaced or cleaned.

It should be noted that, in practical applications, the filter element 62 may be connected to the air inlet duct 6 by plugging, or the filter element 62 may be connected to the air inlet duct 6 by clipping, etc., and such adjustment and change of the specific connection form of the filter element 62 and the air inlet duct 6 are not departing from the principle and scope of the present invention, and should be limited within the protection scope of the present invention as long as the filter element 62 and the air inlet duct 6 can be detachably connected.

Preferably, as shown in fig. 4 to 6, a clamping structure 63 is provided on the inner wall of the air inlet duct 6, and the clamping structure 63 clamps the filter member 62 in the air inlet duct 6.

Illustratively, as shown in fig. 5 and 6, the clamping structure 63 is a plurality of bar-shaped ribs disposed on the inner wall of the air inlet duct 6, the plurality of bar-shaped ribs are circumferentially spaced apart, a clamping groove is disposed at the same position of each bar-shaped rib, and the filter member 62 is clamped in the clamping groove.

It should be noted that, in practical applications, a person skilled in the art may also set the clamping structure 63 to other structural forms, for example, a hook, an annular boss, etc., and a person skilled in the art may flexibly set the specific structural form of the clamping structure 63 as long as the filtering member 62 can be clamped in the air inlet duct 6 by the clamping structure 63.

Preferably, as shown in fig. 4, the filter member 62 is a circular filter mesh sheet.

Wherein, the outer diameter of the circular filter screen is matched with the inner diameter of the air inlet pipeline 6.

Preferably, as shown in fig. 1, the drying air duct 4 of the present invention is provided with a first communicating hole 41 at a downstream end of the fan 5, and the first communicating hole 41 is communicated with the other end of the air outlet pipe 7 and is arranged opposite to an air outlet end of the fan 5.

The air outlet end of the first communicating hole 41 and the air outlet end of the fan 5 are arranged oppositely, so that the direction of the first communicating hole 41 is consistent with the flowing direction of the air flow, the kinetic energy of the air flow can be fully utilized, the air flow entering the air outlet pipeline 7 is increased, more air flows are discharged to the outside of the box body 1, more fresh air can be introduced, and the ventilation effect is improved.

Illustratively, as shown in fig. 1, the drying air duct 4 located at the downstream end of the fan 5 includes a horizontal portion and an inclined portion connected to each other, the right end of the horizontal portion is communicated with the air outlet end of the fan 5, the lower end of the inclined portion is communicated with the inner barrel 3, the first communication hole 41 is disposed on the wall of the inclined portion, the first communication hole 41 and the air outlet end of the fan 5 are located on the same horizontal plane, and the two are disposed opposite to each other in the horizontal direction.

Preferably, as shown in fig. 1, one end of the air outlet pipe 7 extends to the front panel 11 of the box body 1, the front panel 11 is provided with a second communication hole 111, and the air outlet pipe 7 is communicated with the outside of the box body 1 through the second communication hole 111.

By communicating the air-out duct 7 with the outside of the case 1 through the second communication hole 111 provided on the front panel 11 of the case 1, it is more advantageous to discharge the air flow along the air-out duct 7.

Illustratively, as shown in fig. 1, a first communication hole 41 is provided on the drying air duct 4, a second communication hole 111 is provided on the front panel 11 of the box 1, the right end of the air outlet pipe 7 is communicated with the first communication hole 41, the left end of the air outlet pipe 7 is communicated with the second communication hole 111, the air flow discharged from the air outlet end of the fan 5 flows along the drying air duct 4 from right to left, after flowing through the first communication hole 41, part of the air flow enters the air outlet pipe 7 through the first communication hole 41, and then continues to flow along the air outlet pipe 7 to left, the flow direction of the air flow is not greatly changed, and the air flow is smoother.

Further preferably, as shown in fig. 1, the air outlet duct 7 extends to the front panel 11 in the horizontal direction.

By extending the air outlet duct 7 to the front panel 11 in the horizontal direction, it is more advantageous to discharge the air flow along the air outlet duct 7.

For example, as shown in fig. 1, the first communicating hole 41 and the second communicating hole 111 are located at the same horizontal plane, and after the airflow in the drying air duct 4 enters the air outlet duct 7, the flowing direction is kept unchanged, and the airflow flows more smoothly.

Preferably, as shown in fig. 1 and 2, one end of the air outlet pipe 7 is provided with a gas deceleration structure 71 to reduce the velocity of the air flow discharged from the air outlet pipe 7.

The air outlet speed is reduced by arranging the air speed reducing structure 71 at the air outlet end of the air outlet pipeline 7, so that the influence of air flow discharged from the air outlet pipeline 7 on a user can be avoided.

Illustratively, as shown in fig. 1 and 2, the left end of the air outlet pipe 7 is provided as a bell mouth, and the end with a larger caliber of the bell mouth is communicated with the second communication hole 111 provided on the front panel 11, and the bell mouth forms the gas deceleration structure 71.

Preferably, as shown in fig. 1, a first end of the air inlet duct 6 extends to the back plate 12 of the cabinet 1, the back plate 12 is provided with a third communication hole 121, and the air inlet duct 6 communicates with the outside of the cabinet 1 through the third communication hole 121.

The air inlet pipeline 6 is communicated with the outside of the box body 1 through the third communicating hole 121 arranged on the back plate 12, so that the length of the air inlet pipeline 6 is favorably reduced, and the influence on the attractiveness of the box body 1 can be avoided.

Preferably, as shown in fig. 1 and 3, the first end of the air intake duct 6 is provided with a gas acceleration structure 61 to increase the speed of the air flow entering the air intake duct 6.

The air inlet speed is improved by arranging the air acceleration structure 61 at the air inlet end of the air inlet pipeline 6, so that more fresh air can enter the air inlet pipeline 6.

Illustratively, as shown in fig. 1 and 3, the right end of the air outlet pipeline 7 is provided with a bell mouth, and the end with a larger caliber of the bell mouth is communicated with the third communication hole 121 arranged on the back plate 12, and the bell mouth forms the gas speed increasing structure 61.

In the case where the filter member 62 and the gas acceleration structure 61 are provided at the same time, the filter member 62 is preferably installed in the gas acceleration structure 61.

Preferably, as shown in fig. 1 and fig. 3, the heat pump drying system of the present embodiment further includes a first electrically controlled valve 91 installed on the air intake pipeline 6, and the first electrically controlled valve 91 is used for controlling the on-off state of the air intake pipeline 6.

The first electric control valve 91 is electrically connected with the controller of the washing and drying integrated machine, and in the process of drying clothes by the washing and drying integrated machine, the controller can control the first electric control valve 91 to disconnect the air inlet pipeline 6 and forbid the drying air duct 4 from being communicated with the outside of the box body 1 through the air inlet pipeline 6, so that the influence on the drying efficiency of the clothes due to the entering of cold air can be avoided.

After the clothes are dried, the controller controls the first electrically controlled valve 91 to connect the air inlet pipeline 6, so that the air inlet pipeline 6 communicates the drying air duct 4 with the outside of the box body 1, and cold air outside the box body 1 is introduced.

Preferably, as shown in fig. 1 and fig. 2, the heat pump drying system of the present embodiment further includes a second electrically controlled valve 92 installed on the air outlet pipeline 7, and the second electrically controlled valve 92 is used for controlling the on-off state of the air outlet pipeline 7.

The second electric control valve 92 is electrically connected with the controller of the washing and drying integrated machine, and in the process of drying clothes by the washing and drying integrated machine, the controller can control the second electric control valve 92 to disconnect the air outlet pipeline 7, and the drying air duct 4 is forbidden to be communicated with the outside of the box body 1 through the air outlet pipeline 7, so that the influence on the drying efficiency of the clothes due to the loss of hot air can be avoided.

After the clothes are dried, the controller controls the second electrically controlled valve 92 to connect the air inlet pipeline 6, so that the air outlet pipeline 7 communicates the drying air duct 4 with the outside of the cabinet 1, and hot air inside the cabinet 1 is exhausted.

Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims of the present application, any of the claimed embodiments may be used in any combination.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. The utility model provides a drying equipment's heat pump drying system, heat pump drying system includes the stoving wind channel, installs fan on the stoving wind channel and with the drainage pipe who is used for discharging the comdenstion water of stoving wind channel intercommunication, a serial communication port, heat pump drying system still includes air inlet pipeline and air-out pipeline, air inlet pipeline's first end with the outside intercommunication of drying equipment's box, air inlet pipeline's second end with the help of drainage pipe with stoving wind channel intercommunication, air-out pipeline's one end with the outside intercommunication of box, air-out pipeline's the other end with stoving wind channel intercommunication.

2. The heat pump drying system of claim 1, further comprising a filter member mounted in the air intake duct, the filter member being capable of filtering an air flow passing through the filter member.

3. The heat pump drying system of claim 2, wherein the filter member is disposed proximate the first end of the air intake conduit.

4. The heat pump drying system of claim 3, wherein the filter member is detachably connected to the air intake duct.

5. The heat pump drying system of the drying equipment according to claim 4, wherein a clamping structure is arranged on the inner wall of the air inlet pipeline, and the filtering component is clamped in the air inlet pipeline by the clamping structure.

6. The heat pump drying system of drying equipment of claim 2, wherein the filter member is a circular filter mesh.

7. The heat pump drying system of drying equipment according to claim 1, wherein the drying duct is provided with a first communication hole at a downstream end of the fan, the first communication hole being communicated with the other end of the air outlet pipeline and being arranged opposite to an air outlet end of the fan.

8. The heat pump drying system of drying equipment according to claim 7, wherein one end of the air outlet pipeline extends to a front panel of the cabinet, a second communication hole is provided on the front panel, and the air outlet pipeline is communicated with the outside of the cabinet through the second communication hole.

9. The heat pump drying system of drying equipment according to claim 1, wherein one end of the air outlet pipeline is provided with an air speed reducing structure to reduce the speed of the air flow discharged from the air outlet pipeline.

10. The heat pump drying system of drying equipment according to claim 1, wherein the first end of the air intake pipeline extends to a back plate of the cabinet, a third communication hole is provided on the back plate, and the air intake pipeline is communicated with the outside of the cabinet through the third communication hole.

11. The heat pump drying system of drying equipment of claim 1, wherein the first end of the air inlet pipeline is provided with a gas acceleration structure to increase the speed of the air flow entering the air inlet pipeline.

12. The heat pump drying system of the drying equipment according to any one of claims 1 to 11, further comprising a first electrically controlled valve installed on the air intake pipeline, wherein the first electrically controlled valve is used for controlling the on-off state of the air intake pipeline.

13. The heat pump drying system of the drying equipment according to any one of claims 1 to 11, further comprising a second electrically controlled valve installed on the air outlet pipeline, wherein the second electrically controlled valve is used for controlling the on-off state of the air outlet pipeline.

14. Drying apparatus, characterized in that it comprises a heat pump drying system according to any of claims 1 to 13.

15. The drying apparatus of claim 14, wherein the drying apparatus is a clothes dryer or an all-in-one washer dryer.