Heat pump device and clothing processing equipment

Abstract

The present invention provides a heat pump device and a clothing processing equipment. The heat pump device comprises a shell and a heat exchange component. The interior of the shell is formed with an air inlet area, a heat exchange area and an air outlet area, and the heat exchange component is arranged in the heat exchange area; an evaporator, an auxiliary heat exchanger and a condenser are arranged in sequence; the air inlet area, the evaporator air duct, the A auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form a main heat exchange air duct, and a part of the air can flow through the main heat exchange air duct; the air inlet area, the bypass air duct, the B auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form an auxiliary heat exchange air duct, and another part of the air can flow through the auxiliary heat exchange air duct, and the air flowing through the B auxiliary air duct exchanges heat with the air flowing through the A auxiliary air duct, so as to dehumidify the air in the A auxiliary air duct; the enhanced heat exchange structure can enhance the heat exchange between the air in the B auxiliary air duct and the air in the A auxiliary air duct, improve the dehumidification effect, and expand the dehumidification range; the heat pump device has a simple structure and low energy consumption.

Description

Technical Field

[0001] The present invention belongs to the technical field of dehumidification equipment, and in particular relates to a heat pump device and clothing processing equipment. Background Art

[0002] Electric heating dryers generally use electric heating wires as heat sources. Although they overcome some of the shortcomings of natural drying of clothes, they have problems such as high energy consumption and humid air discharged into the room causing wet pollution. Heat pump dryers use evaporator dehumidification and condenser heating, which have the advantages of energy saving, short drying time and environmental friendliness; but as the moisture content of the drying load decreases, the cooling capacity provided by the evaporator is difficult to effectively dehumidify, resulting in poor dehumidification effect and only cooling without dehumidification. Some people have proposed that a cross-flow heat exchanger be set between the air inlet and outlet of the evaporator, and the cross-flow heat exchanger includes a hot fluid channel and a cold fluid channel, which are composed of parallel and spaced heat-conducting plates; the humid air flows through the hot fluid channel, the evaporator and the cold fluid channel to become dry air. Others have proposed that the compressor, the main condenser, the auxiliary condenser, the throttling device and the evaporator are connected in sequence by refrigerant pipes; an auxiliary condensing fan is set on the side of the auxiliary condenser close to the compressor, and the auxiliary condensing fan is controlled to start and stop according to the temperature point of the main condenser to reduce the compressor power and evaporator temperature in the later stage of drying. However, these solutions require additional cooling or heat dissipation devices, the overall structure is complex, the dehumidification effect is not obvious, and the dehumidification range is narrow. Summary of the invention

[0003] In view of this, the present invention provides a heat pump device and a clothes processing device to solve the problems of the heat pump device in the prior art, such as complex structure, unclear dehumidification effect and narrow dehumidification range.

[0004] The present invention provides a heat pump device for dehumidification; the heat pump device comprises a shell and a heat exchange component, the interior of the shell is formed with an air inlet area, a heat exchange area and an air outlet area arranged in sequence, and the heat exchange component is arranged in the heat exchange area; the heat exchange component comprises an evaporator, an auxiliary heat exchanger and a condenser arranged in sequence along the flow direction of the drying air flow, the evaporator forms an evaporator air duct, and the drying air flow flowing through the evaporator air duct has a heat exchange relationship with the refrigerant in the evaporator; the condenser forms a condenser air duct, and the drying air flow flowing through the condenser air duct has a heat exchange relationship with the refrigerant in the condenser; the first auxiliary heat exchanger forms an A auxiliary air duct and a B auxiliary air duct, and the A auxiliary air duct and the B auxiliary air duct have a heat exchange relationship; the air inlet area, the evaporator air duct, the A auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form a main heat exchange air duct;

[0005] A bypass air duct is formed between the heat exchange assembly and the shell wall of the heat exchange area, and the air inlet area, the bypass air duct, the B auxiliary air duct, the condenser air duct and the air outlet area are sequentially connected to form an auxiliary heat exchange air duct; air can flow through the main heat exchange air duct and the auxiliary heat exchange air duct;

[0006] An enhanced heat exchange structure is provided in the B auxiliary air duct, and the enhanced heat exchange structure is used to change the flow rate of the air in the B auxiliary air duct.

[0007] Further optionally, the enhanced heat exchange structure includes a first rib, and the first rib extends from the air inlet end of the B auxiliary air duct to the air outlet end of the B auxiliary air duct; a plurality of the first ribs are provided, and the plurality of the first ribs are arranged at intervals.

[0008] Further optionally, the enhanced heat exchange structure includes a second rib, and the second rib is in a spiral structure.

[0009] Further optionally, a plurality of the second ribs are provided, and the plurality of the second ribs are spaced apart and connected together along the circumference thereof, and the plurality of the second ribs form a hollow structure.

[0010] Further optionally, the auxiliary heat exchanger includes an auxiliary heat exchange tube, and the auxiliary heat exchange tube forms an A auxiliary air duct; the auxiliary heat exchange tube is provided with a plurality of auxiliary heat exchange tubes, and the plurality of auxiliary heat exchange tubes are arranged at intervals, and the B auxiliary air duct is formed between two adjacent auxiliary heat exchange tubes;

[0011] The enhanced heat exchange structure includes an enhanced heat exchange tube, through which condensed water, ambient air or air discharged from the evaporator air duct can flow; a tube gap is formed between the enhanced heat exchange tube and the auxiliary heat exchange tube, and the tube gap communicates with the bypass air duct and the condenser air duct;

[0012] The ambient air is the air in the environment where the heat pump device is located.

[0013] Further optionally, the enhanced heat exchange tube is detachably arranged in the auxiliary heat exchange tube; and / or,

[0014] The enhanced heat exchange tube is made of soft material, and the structure of the enhanced heat exchange tube is adjustable.

[0015] Further optionally, a fin is provided on the outer side of the auxiliary heat exchange tube, and a plurality of the fins are provided, and the plurality of the fins are arranged at intervals along the extension direction of the auxiliary heat exchange tube; and the position of the fin on the auxiliary heat exchange tube is adjustable.

[0016] The present invention also provides a clothing processing device, comprising a clothing processing drum and a heat pump device as described above, wherein the clothing processing drum is formed with a drying air inlet and a drying air outlet, and the heat pump device also includes a fan and a filter; the drying air inlet, shell, fan and drying air outlet are connected in sequence, and the filter is arranged in the air inlet area.

[0017] Compared with the prior art, the beneficial effects of the present invention are mainly:

[0018] The air inlet area, the evaporator air duct, the A auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form a main heat exchange air duct, and a part of the air can flow through the main heat exchange air duct, and the air is dehumidified by the evaporator; the air inlet area, the bypass air duct, the B auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form an auxiliary heat exchange air duct, and another part of the air can flow through the auxiliary heat exchange air duct, and the air flowing through the B auxiliary air duct exchanges heat with the air flowing through the A auxiliary air duct, so as to dehumidify the air in the A auxiliary air duct; the enhanced heat exchange structure can enhance the heat exchange between the air in the B auxiliary air duct and the air in the A auxiliary air duct, improve the dehumidification effect, and expand the dehumidification range; the heat pump device has a simple structure and low energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0020] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0021] Figure 1 This is a schematic diagram of the axial structure of a heat pump device embodiment 1 provided by the present invention;

[0022] Figure 2a and Figure 2b A schematic cross-sectional view of a heat pump device embodiment 1 provided by the present invention;

[0023] Figure 3a This is a schematic diagram of the axial structure of the heat exchange assembly embodiment 1 provided by the present invention;

[0024] Figure 3bA schematic cross-sectional view of a heat exchange assembly embodiment 1 provided by the present invention;

[0025] Figure 4 A schematic structural diagram of an auxiliary heat exchanger embodiment 1 provided by the present invention;

[0026] Figure 5a This is a structural schematic diagram of Example 1 when a first rib is provided in an auxiliary heat exchange tube provided by the present invention;

[0027] Figure 5b and Figure 5c A schematic structural diagram of Example 2 in which a second rib is provided in the auxiliary heat exchange tube provided by the present invention;

[0028] Figure 6 A schematic structural diagram of Embodiment 3 in which the enhanced heat exchange tube provided by the present invention is arranged in the auxiliary heat exchange tube;

[0029] In the figure:

[0030] 1- Evaporator;

[0031] 2- auxiliary heat exchanger; 21- bracket; 211- auxiliary heat exchange tube; 212- auxiliary air duct; 22- fin;

[0032] 3-condenser; 4-compressor; 5-throttling device; 6-filter;

[0033] 71-shell body; 72-shell cover; 731-first bypass air duct section; 732-second bypass air duct section; 741-air inlet area; 742-heat exchange area; 743-air outlet area;

[0034] 81-first rib; 82-second rib; 83-enhanced heat exchange tube. DETAILED DESCRIPTION

[0035] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two, but does not exclude the inclusion of at least one.

[0037] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0038] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0039] In the existing heat pump dryers, some people have proposed to set a cross-flow heat exchanger between the air inlet and outlet of the evaporator. The cross-flow heat exchanger includes a hot fluid channel and a cold fluid channel. The hot fluid channel and the cold fluid channel are composed of heat-conducting plates arranged in parallel and at intervals. The humid air flows through the hot fluid channel, the evaporator and the cold fluid channel to become dry air. Others have proposed that the compressor, the main condenser, the auxiliary condenser, the throttling device and the evaporator are connected in sequence by refrigerant pipes. An auxiliary condensing fan is provided on the side of the auxiliary condenser close to the compressor. The auxiliary condensing fan is controlled to start and stop according to the temperature point of the main condenser to reduce the compressor power and evaporator temperature in the later stage of drying. However, these solutions require additional cooling or heat dissipation devices, and the overall structure of the machine is complex, the dehumidification effect is not obvious, and the dehumidification range is narrow.

[0040] The present invention creatively provides a heat pump device, including a shell and a heat exchange component, wherein the interior of the shell is formed with an air inlet area, a heat exchange area and an air outlet area which are arranged in sequence, and the heat exchange component is arranged in the heat exchange area; the evaporator, the auxiliary heat exchanger and the condenser are arranged in sequence; the air inlet area, the evaporator air duct, the A auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form a main heat exchange air duct, and a part of the air can flow through the main heat exchange air duct; the air inlet area, the bypass air duct, the B auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form an auxiliary heat exchange air duct, and another part of the air can flow through the auxiliary heat exchange air duct, and the air flowing through the B auxiliary air duct exchanges heat with the air flowing through the A auxiliary air duct, so as to dehumidify the air in the A auxiliary air duct; the enhanced heat exchange structure can enhance the heat exchange between the air in the B auxiliary air duct and the air in the A auxiliary air duct, improve the dehumidification effect, and expand the dehumidification range; the heat pump device has a simple structure and low energy consumption.

[0041] It should be noted that the “A”, “B” and “C” limitations regarding auxiliary air ducts in the present application do not have specific meanings, but are only for the convenience of distinguishing and expressing different auxiliary air ducts.

[0042] Example 1

[0043] like Figures 1 to 5a As shown, this embodiment provides a heat pump device for dehumidification; the heat pump device includes a shell and a heat exchange component, the interior of the shell is formed with an air inlet area 741, a heat exchange area 742 and an air outlet area 743 arranged in sequence, and the heat exchange component is arranged in the heat exchange area 742; the heat exchange component includes a compressor 4, a throttling device 5 and an evaporator 1, an auxiliary heat exchanger 2 and a condenser 3 arranged in sequence along the flow direction of the drying air flow, the evaporator 1 forms an evaporator refrigerant channel and an evaporator air duct with a heat exchange relationship, the evaporator refrigerant channel can flow through the refrigerant, and the evaporator The air can flow through the air duct; the condenser 3 forms a condenser refrigerant channel and a condenser air duct with a heat exchange relationship, the condenser refrigerant channel can flow through the refrigerant, and the condenser air duct can flow through the air; the evaporator refrigerant channel, the condenser refrigerant channel, the compressor 4 and the throttling device 5 are connected through the refrigerant pipe to form a refrigerant circuit; the auxiliary heat exchanger 2 forms an A auxiliary air duct and a B auxiliary air duct 212 with a heat exchange relationship; the air inlet area 741, the evaporator air duct, the A auxiliary air duct, the condenser air duct and the air outlet area 743 are connected in sequence to form a main heat exchange air duct;

[0044] A bypass air duct is formed between the heat exchange component and the shell wall of the heat exchange area 742, and the air inlet area 741, the bypass air duct, the B auxiliary air duct 212, the condenser air duct and the air outlet area 743 are connected in sequence to form an auxiliary heat exchange air duct; air can flow through the main heat exchange air duct and the auxiliary heat exchange air duct; a part of the air can flow through the evaporator air duct, the A auxiliary air duct and the condenser air duct, and the other part of the air can flow through the bypass air duct, the B auxiliary air duct 212 and the condenser air duct; the air in the A auxiliary air duct and the air in the B auxiliary air duct 212 are heat exchanged to dehumidify the air in the B auxiliary air duct 212; the sensible heat of the heat pump device is converted into latent heat, thereby increasing the dehumidification capacity of the heat pump device; the evaporator 1 can reduce more air to below the dew point temperature, thereby increasing the dehumidification efficiency of the evaporator 1;

[0045] The auxiliary air duct B 212 is provided with an enhanced heat exchange structure, which is used to change the flow rate of the air in the auxiliary air duct B 212, increase the flow of the fluid in the auxiliary heat exchange tube 211, and make the fluid generate a rotating flow or a secondary flow, thereby changing the flow state;

[0046] Specifically, the heat exchange component also includes a heat exchange frame, which is arranged in the heat exchange area 742; the evaporator 1, the auxiliary heat exchanger 2 and the condenser 3 are arranged in sequence inside the heat exchange frame, the air inlet end of the evaporator air duct is connected to the air inlet area 741, and the air outlet end of the condenser air duct is connected to the air outlet area 743.

[0047] Furthermore, the enhanced heat exchange structure includes a first rib 81, and the first rib 81 extends from the air inlet end of the B auxiliary air duct 212 to the air outlet end of the B auxiliary air duct 212; a plurality of first ribs 81 are provided, and the plurality of first ribs 81 are arranged at intervals.

[0048] Specifically, the auxiliary heat exchanger 2 includes an auxiliary heat exchange tube 211, and the auxiliary heat exchange tube 211 forms an A auxiliary air duct; a plurality of auxiliary heat exchange tubes 211 are provided, and the plurality of auxiliary heat exchange tubes 211 are arranged at intervals, and an auxiliary air duct B 212 is formed between two adjacent auxiliary heat exchange tubes 211;

[0049] The auxiliary heat exchange tube 211 is provided with a fin 22 on its outer side. The fin 22 is provided in plurality and the plurality of fins 22 are arranged at intervals along the extending direction of the auxiliary heat exchange tube 211 to increase the heat exchange area of ​​the auxiliary heat exchange tube 211, thereby enhancing heat exchange.

[0050] The position of the fin 22 on the auxiliary heat exchange tube 211 is adjustable.

[0051] In addition, the top wall of the evaporator 1 is higher than the top wall of the auxiliary heat exchanger 2, and the distance between the top wall of the evaporator 1 and the top wall of the heat exchange area 742 is greater than the distance between the top wall of the auxiliary heat exchanger 2 and the top wall of the heat exchange area 742; the air inlet end of the B auxiliary air duct 212 is located at the top of the auxiliary heat exchanger 2; a first bypass air duct section 731 is formed between the top wall of the evaporator 1 and the top wall of the heat exchange area 742, and a second bypass air duct section 732 is formed between the top wall of the auxiliary heat exchanger 2 and the top wall of the heat exchange area 742; the air inlet area 741, the first bypass air duct section 731, the second bypass air duct section 732 and the B auxiliary air duct 212 are connected in sequence;

[0052] Specifically, the air inlet end of the first bypass air duct segment 731 is connected to the air inlet area 741, the air outlet end of the second bypass air duct segment 732 is connected to the air inlet end of the B auxiliary air duct 212, and the air outlet end of the first bypass air duct segment 731 and the air inlet end of the second bypass air duct segment 732 are connected to form a bypass air duct; another part of the air in the air inlet area 741 can flow through the first bypass air duct segment 731, the second bypass air duct segment 732 and the B auxiliary air duct 212 in sequence and enter the condenser air duct.

[0053] In order to solve the problem of low heat exchange efficiency of the auxiliary heat exchanger 2, the present embodiment proposes that the auxiliary heat exchanger 2 includes a bracket 21 and a plurality of auxiliary heat exchange tubes 211, the plurality of auxiliary heat exchange tubes 211 are arranged on the bracket 21 at intervals and in parallel along the length direction of the bracket 21, the auxiliary heat exchange tubes 211 extend along the height direction of the bracket 21, or the extension direction of the auxiliary heat exchange tubes 211 is inclined relative to the height direction of the bracket 21; the auxiliary heat exchange tubes 211 form a B auxiliary air duct 212, and an A auxiliary air duct is formed between two adjacent auxiliary heat exchange tubes 211; a part of the air in the air inlet area 741 enters the A auxiliary air duct through the evaporator air duct, and another part of the air in the air inlet area 741 enters the B auxiliary air duct 212 through the bypass air duct, the air in the A auxiliary air duct and the air in the B auxiliary air duct 212 are heat exchanged, and the air in the B auxiliary air duct 212 has a dehumidifying effect; the water vapor in the B auxiliary air duct 212 is condensed into water droplets and flows downward along the auxiliary heat exchange tubes 211.

[0054] The shell includes a shell body 71 and a shell cover 72. An opening is formed at the top of the shell body 71, and the shell cover 72 is covered at the opening; a first bypass air duct section 731 is formed between the top wall of the evaporator 1 and the shell cover 72, and a second bypass air duct section 732 is formed between the top wall of the auxiliary heat exchanger 2 and the shell cover 72; the top wall of the condenser 3 and the shell cover 72 are sealed and fitted; the evaporator 1 is generally composed of a copper tube and an aluminum fin 22, which is tightly connected to the fin 22 after expansion, and the copper tube is a refrigerant channel, and an evaporator air duct is formed between the copper tubes of two adjacent evaporators 1; the auxiliary heat exchanger 2 is composed of a copper tube and an aluminum fin, and the copper tube is a B auxiliary air duct 212, and an A auxiliary air duct is formed between the copper tubes of two adjacent auxiliary heat exchangers 2; the condenser 3 is generally composed of a copper tube and an aluminum fin, which is tightly connected to the fin after expansion, and the copper tube is a refrigerant channel, and a condenser air duct is formed between the copper tubes of two adjacent condensers 3.

[0055] The present embodiment also provides a clothing processing device, comprising a clothing processing drum and a heat pump device as described in any one of the above items, the clothing processing drum is formed with a drying air inlet and a drying air outlet, the heat pump device also includes a fan and a filter 6; the drying air inlet, the shell, the fan and the drying air outlet are connected in sequence, the fan is used to provide power to the drying airflow, under the action of the fan, the drying airflow circulates between the clothing processing drum and the inside of the shell, the drying airflow enters the clothing processing drum and exchanges heat with the clothes, the drying airflow dehumidifies the drying airflow when entering the evaporator 1, and heats the drying airflow when entering the condenser 3; the drying airflow flowing through the B auxiliary air duct 212 and the drying airflow flowing through the A auxiliary air duct are heat-exchanged, thereby improving the dehumidification efficiency of the evaporator 1 and shortening the drying time; the filter 6 is arranged inside the shell and close to the drying air inlet, and is used to filter hair debris in the drying airflow.

[0056] The number of rows of the auxiliary heat exchanger 2 of this embodiment can be single row, multiple rows, etc., and the number of rows of the evaporator 1 and the condenser 3 can also be single row, multiple rows, etc.; the fin structure of the auxiliary heat exchanger 2 can be flat fins, corrugated fins, window fins, etc., but is not limited to a certain type, and its tube diameter and fin number are not limited to a certain type.

[0057] The heat pump device of this embodiment is applicable to heat pump dryers, dehumidifiers and other drying equipment. The structural arrangement of the heat pump device is not limited to one type and can be located at any position of the drying equipment.

[0058] Example 2

[0059] like Figure 5b and Figure 5c As shown, different from the embodiment, the heat exchange enhancement structure includes a second rib 82, and the second rib 82 is a spiral structure.

[0060] Furthermore, a plurality of second ribs 82 are provided, and the plurality of second ribs 82 are spaced apart and connected together along the circumference thereof, and the plurality of second ribs 82 form a hollow structure.

[0061] Example 3

[0062] like Figure 6 As shown, different from Example 1, the auxiliary heat exchanger 2 includes an auxiliary heat exchange tube 211, and the auxiliary heat exchange tube 211 forms an A auxiliary air duct; there are multiple auxiliary heat exchange tubes 211, and the multiple auxiliary heat exchange tubes 211 are arranged at intervals, and an auxiliary air duct B 212 is formed between two adjacent auxiliary heat exchange tubes 211;

[0063] The enhanced heat exchange structure includes an enhanced heat exchange tube 83, and condensed water, ambient air, or air discharged from the evaporator air duct can flow through the enhanced heat exchange tube 83; a tube gap is formed between the enhanced heat exchange tube 83 and the auxiliary heat exchange tube 211, and the tube gap connects the bypass air duct and the condenser air duct;

[0064] The ambient air is the air in the environment where the heat pump device is located.

[0065] Further, the enhanced heat exchange tube 83 is detachably disposed in the auxiliary heat exchange tube 211; and / or,

[0066] The enhanced heat exchange tube 83 is made of soft material, and the structure of the enhanced heat exchange tube 83 is adjustable.

[0067] The exemplary embodiments of the present disclosure are specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structures, configurations or implementations described herein; on the contrary, the present disclosure is intended to cover various modifications and equivalent configurations included in the spirit and scope of the appended claims.

Claims

1. A heat pump device for dehumidification; characterized in that: The heat pump device comprises a shell and a heat exchange component, wherein the interior of the shell is formed with an air inlet area, a heat exchange area and an air outlet area arranged in sequence, and the heat exchange component is arranged in the heat exchange area; the heat exchange component comprises an evaporator, an auxiliary heat exchanger and a condenser arranged in sequence, the evaporator is formed with an evaporator air duct for flowing through a drying air flow, and the condenser is formed with a condenser air duct for flowing through a drying air flow; the auxiliary heat exchanger is formed with an A auxiliary air duct and a B auxiliary air duct having a heat exchange relationship; the air inlet area, the evaporator air duct, the A auxiliary air duct, the condenser air duct and the air outlet area are sequentially connected to form a main heat exchange air duct; The heat exchange assembly and the shell are located between the shell wall of the heat exchange area to form a bypass air duct, and the air inlet area, the bypass air duct, the B auxiliary air duct, the condenser air duct and the air outlet area are connected in sequence to form an auxiliary heat exchange air duct; the B auxiliary air duct is provided with an enhanced heat exchange structure; The air flowing through the B auxiliary air duct can be heat exchanged with the air flowing through the A auxiliary air duct to dehumidify the air flowing through the A auxiliary air duct; The auxiliary heat exchanger comprises an auxiliary heat exchange tube, and an auxiliary air duct B is formed inside the auxiliary heat exchange tube; a plurality of the auxiliary heat exchange tubes are provided, and the plurality of the auxiliary heat exchange tubes are arranged at intervals, and the auxiliary air duct A is formed between two adjacent auxiliary heat exchange tubes; The enhanced heat exchange structure includes an enhanced heat exchange tube, through which condensed water, ambient air or air discharged from the evaporator air duct can flow; a tube gap is formed between the enhanced heat exchange tube and the auxiliary heat exchange tube, and the tube gap communicates with the bypass air duct and the condenser air duct; The ambient air is the air in the environment where the heat pump device is located.

2. The heat pump device according to claim 1, characterized in that: The enhanced heat exchange structure includes a first rib, which extends from the air inlet end of the B auxiliary air duct to the air outlet end of the B auxiliary air duct; a plurality of the first ribs are provided, and the plurality of the first ribs are arranged at intervals.

3. The heat pump device according to claim 1, characterized in that: The enhanced heat exchange structure includes a second rib, and the second rib is in a spiral structure.

4. The heat pump device according to claim 3, characterized in that: There are a plurality of the second ribs, and the plurality of the second ribs are spaced apart and connected together along the circumference thereof, and the plurality of the second ribs form a hollow structure.

5. The heat pump device according to claim 1, characterized in that: The enhanced heat exchange tube is detachably arranged in the auxiliary heat exchange tube; and / or, The enhanced heat exchange tube is made of soft material, and the structure of the enhanced heat exchange tube is adjustable.

6. The heat pump device according to claim 1, characterized in that: The auxiliary heat exchange tube is provided with fins on its outer side. The auxiliary heat exchange tube is provided with a plurality of fins, and the plurality of fins are arranged at intervals along the extension direction of the auxiliary heat exchange tube. The position of the fins on the auxiliary heat exchange tube is adjustable.

7. A clothes processing device, characterized in that: The clothing processing equipment includes a clothing processing drum and a heat pump device according to any one of claims 1 to 6, the clothing processing drum is formed with a drying air inlet and a drying air outlet, the heat pump device also includes a fan and a filter; the drying air inlet, the shell, the fan and the drying air outlet are connected in sequence, and the filter is arranged in the air inlet area.

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