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, a first 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 and the condenser air duct 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 flowing through the A auxiliary air duct; the air guide structure can guide part of the air in the air inlet area to the B auxiliary air duct, so as to improve the heat exchange efficiency between the air in the B auxiliary air duct and the air in the A auxiliary air duct; the energy consumption is low and the dehumidification range is large.

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, a first 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 and the condenser air duct are connected in sequence with the air outlet area to form a main heat exchange air duct;

[0005] 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; air can flow through the main heat exchange air duct and the auxiliary heat exchange air duct;

[0006] An air guide structure is provided in the bypass air duct, and the air guide structure is used to guide part of the air in the air inlet area to the B auxiliary air duct.

[0007] Further optionally, the wind guide structure is an wind guide plate, which is arranged close to the air inlet end of the B auxiliary air duct, and has an air guide port formed on the side of the wind guide plate facing the air inlet area; the air in the bypass air duct can enter the B auxiliary air duct through the air guide port and the wind guide plate.

[0008] Further optionally, the top wall of the evaporator is higher than the top wall of the first auxiliary heat exchanger, and the air inlet end of the B auxiliary air duct is located at the top of the first auxiliary heat exchanger; a first bypass air duct section is formed between the top wall of the evaporator and the top wall of the heat exchange zone, and a second bypass air duct section is formed between the top wall of the first auxiliary heat exchanger and the top wall of the heat exchange zone;

[0009] The air inlet area, the first bypass air duct section, the second bypass air duct section and the B auxiliary air duct are connected in sequence; the air guide plate is arranged in the second bypass air duct section.

[0010] Further optionally, the air guide plate is movably disposed in the second bypass air duct section, and the size of the air guide port can be adjusted by controlling the movement of the air guide plate.

[0011] Further optionally, the air guide structure is an air guide shell, the air guide shell is surrounded by an air guide duct, and the air guide duct connects the air inlet area and the air inlet end of auxiliary air duct B; an air guide baffle is provided at one end of the air guide duct close to the air inlet area, and the air guide baffle can be controlled to open or close the air guide duct.

[0012] Further optionally, the air guide shell is formed with a first fresh air inlet, the first fresh air inlet is externally connected to a first fresh air duct, the first fresh air duct and the air guide are connected through the first fresh air inlet; a first fresh air baffle is provided at the first fresh air inlet, and the first fresh air baffle can be controlled to open or close the first fresh air inlet; outside air can enter the air guide through the first fresh air duct and mix with the air flowing through the air guide;

[0013] The outside air is the air in the environment where the heat pump device is located.

[0014] Further optionally, the first auxiliary heat exchanger further forms a C auxiliary air duct having a heat exchange relationship with the A auxiliary air duct, and the C auxiliary air duct is connected to the outside to form a first fresh air circuit; the outside air can flow through the first fresh air circuit;

[0015] The outside world refers to the environment in which the heat pump device is located, and the outside air refers to the air in the environment in which the heat pump device is located.

[0016] Further optionally, the heat exchange assembly further includes a second auxiliary heat exchanger, which is arranged between the first auxiliary heat exchanger and the condenser; the second auxiliary heat exchanger forms a D auxiliary air duct and an E auxiliary air duct having a heat exchange relationship, the D auxiliary air duct is connected to the A auxiliary air duct and the condenser air duct, and the E auxiliary air duct is connected to the outside to form a second fresh air circuit; the outside air can flow through the second fresh air circuit;

[0017] The outside world refers to the environment in which the heat pump device is located, and the outside air refers to the air in the environment in which the heat pump device is located.

[0018] Further optionally, a second fresh air inlet is formed on the shell wall of the air outlet area, the second fresh air inlet is externally connected to a second fresh air duct, and the second fresh air duct and the air outlet area are connected through the second fresh air inlet; a second fresh air baffle is provided at the second fresh air inlet, and the second fresh air baffle can be controlled to open or close the second fresh air inlet; outside air can enter the air outlet area through the second fresh air duct and mix with the air flowing through the air outlet area;

[0019] The outside air is the air in the environment where the heat pump device is located.

[0020] 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.

[0021] Compared with the prior art, the beneficial effects of the present invention are mainly:

[0022] The air inlet area, evaporator air duct, A auxiliary air duct, condenser air duct and air outlet area are connected in sequence to form a main heat exchange air duct. 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, bypass air duct, B auxiliary air duct and condenser air duct 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. The air flowing through the B auxiliary air duct exchanges heat with the air flowing through the A auxiliary air duct, so that the air in the A auxiliary air duct is dehumidified; the air guide structure can guide part of the air in the air inlet area to the B auxiliary air duct. The heat pump device has a simple structure, low energy consumption, a large dehumidification range and obvious dehumidification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] 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.

[0025] Figure 1 This is a schematic diagram of the axial structure of a heat pump device embodiment 1 provided by the present invention;

[0026] Figure 2a and Figure 2b A schematic cross-sectional view of a heat pump device embodiment 1 provided by the present invention;

[0027] Figure 3a This is a schematic diagram of the axial structure of the heat exchange assembly (without air guide structure) of Example 1 provided by the present invention;

[0028] Figure 3b A schematic cross-sectional view of the heat exchange assembly (without air guide structure) of Embodiment 1 provided by the present invention;

[0029] Figure 4a This is a schematic diagram of the axial structure of the heat exchange assembly (with air guide plate) of Example 1 provided by the present invention;

[0030] Figure 4b This is a schematic diagram of the axial structure of Embodiment 2 of the heat exchange assembly (with an air guide shell) provided by the present invention;

[0031] Figure 4c A schematic cross-sectional view of the structure of Embodiment 2 of the heat exchange assembly (with an air guide shell) provided by the present invention;

[0032] Figure 5a This is a schematic diagram of the axial structure of Embodiment 1 of the heat exchange assembly (with an air guide shell and a first fresh air duct) provided by the present invention;

[0033] Figure 5b A schematic cross-sectional view of the structure of Embodiment 1 of the heat exchange assembly (with an air guide shell and a first fresh air duct) provided by the present invention;

[0034] Figure 6 A schematic structural diagram of a first auxiliary heat exchanger embodiment 1 provided by the present invention;

[0035] In the figure:

[0036] 1- Evaporator;

[0037] 2-first auxiliary heat exchanger; 21-bracket; 211-first heat exchange tube; 212-B auxiliary air duct; 22-fin;

[0038] 3-condenser; 4-compressor; 5-throttling device; 6-filter;

[0039] 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;

[0040] 81 - air guide plate; 811 - air guide port; 82 - air guide shell; 821 - air guide duct; 822 - first fresh air inlet; 83 - first fresh air duct. DETAILED DESCRIPTION

[0041] 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.

[0042] 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.

[0043] 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.

[0044] 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.

[0045] 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.

[0046] 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; an evaporator, a first 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, and the part of the air is dehumidified by the evaporator; the air inlet area, the bypass air duct, the B auxiliary air duct and the condenser air duct 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 air guide structure can guide part of the air in the air inlet area to the B auxiliary air duct, so as to improve the heat exchange efficiency between the air in the B auxiliary air duct and the air in the A auxiliary air duct; the energy consumption is low and the dehumidification range is large.

[0047] 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.

[0048] Example 1

[0049] like Figures 1 to 4a and Figures 5a to 6 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, a first 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 air duct can flow through the air ; The condenser 3 forms a condenser refrigerant channel and a condenser air duct having 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 first auxiliary heat exchanger 2 is formed with an A auxiliary air duct and a B auxiliary air duct 212, and the A auxiliary air duct and the B auxiliary air duct 212 have 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;

[0050] 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;

[0051] An air guide structure is provided in the bypass air duct, and the air guide structure is used to guide part of the air in the air inlet area 741 to the B auxiliary air duct 212; part of the air in the air inlet area 741 enters the bypass air duct, and then enters the B auxiliary air duct 212 through the air guide structure, thereby reducing air flow loss, ensuring stable air flow rate, and improving heat exchange efficiency; the heat pump device has a simple structure, low energy consumption, a large dehumidification range and obvious dehumidification effect.

[0052] Specifically, the heat exchange component also includes a heat exchange frame, which is arranged in the heat exchange area 742; the evaporator 1, the first 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.

[0053] Furthermore, the wind guide structure is an wind guide plate 81, which is arranged close to the air inlet end of the B auxiliary air duct 212, and an air guide port 811 is formed on the side of the wind guide plate 81 facing the air inlet area 741; the air in the bypass air duct can enter the B auxiliary air duct 212 through the air guide port 811 and the wind guide plate 81.

[0054] In order to solve the problem that the air guide plate 81 is not positioned properly and thus leads to poor air guide effect, the present embodiment proposes that the top wall of the evaporator 1 is higher than the top wall of the first auxiliary heat exchanger 2, and the distance between the top wall of the evaporator 1 and the top wall of the heat exchange zone 742 is greater than the distance between the top wall of the first auxiliary heat exchanger 2 and the top wall of the heat exchange zone 742; the air inlet end of the B auxiliary air duct 212 is located at the top of the first 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 zone 742, and a second bypass air duct section 732 is formed between the top wall of the first auxiliary heat exchanger 2 and the top wall of the heat exchange zone 742;

[0055] 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; an air guide plate 81 is provided in the second bypass air duct section 732; air can smoothly enter the B auxiliary air duct 212 through the first bypass air duct section 731, the second bypass air duct section 732 and the air guide plate 81;

[0056] 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.

[0057] Furthermore, the air guide plate 81 is movably disposed in the second bypass air duct section 732, and the size of the air guide port 811 can be adjusted by controlling the movement of the air guide plate 81; when the water content of the air in the air inlet area 741 is greater than the evaporation amount of the evaporator 1, as the water content of the air in the air inlet area 741 increases, the air guide plate 81 is controlled to move and the size of the air guide port 811 is increased, so that sufficient air flows through the B auxiliary air duct 212 and exchanges heat with the air in the A auxiliary air duct; when the water content of the air in the air inlet area 741 is less than the evaporation amount of the evaporator 1, as the water content of the air in the air inlet area 741 decreases, the air guide plate 81 is controlled to move and the size of the air guide port 811 is reduced, so that most of the air in the air inlet area 741 flows through the A auxiliary air duct.

[0058] In addition, the first auxiliary heat exchanger 2 also forms a C auxiliary air duct having a heat exchange relationship with the A auxiliary air duct, and the C auxiliary air duct is connected to the outside to form a first fresh air circuit; the outside air can flow through the first fresh air circuit; when the temperature of the outside air is lower than the temperature of the air in the air inlet area 741, the outside air is made to flow through the C auxiliary air duct and exchange heat with the air flowing through the A auxiliary air duct, so that the air flowing through the A auxiliary air duct is dehumidified, thereby increasing the dehumidification effect;

[0059] The outside world refers to the environment in which the heat pump device is located, and the outside air refers to the air in the environment in which the heat pump device is located.

[0060] In view of the problem of low heat exchange efficiency of the first auxiliary heat exchanger 2, the present embodiment proposes that the first auxiliary heat exchanger 2 includes a bracket 21 and a plurality of first heat exchange tubes 211, the plurality of first heat exchange tubes 211 are spaced apart and arranged in parallel on the bracket 21 along the length direction of the bracket 21, the first heat exchange tubes 211 extend along the height direction of the bracket 21, or the extension direction of the first heat exchange tubes 211 is inclined relative to the height direction of the bracket 21; the first heat exchange tubes 211 form a B auxiliary air duct 212, and an A auxiliary air duct is formed between two adjacent first 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 first heat exchange tube 211.

[0061] 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 first 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 first 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 first 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 22 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.

[0062] 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.

[0063] In this embodiment, the number of rows of the first auxiliary heat exchanger 2 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 first auxiliary heat exchanger 2 can be flat fins, corrugated fins, window fins, etc., but is not limited to a certain type, and the diameter of the copper tube of the first auxiliary heat exchanger 2 and the number of fins 22 are not limited to a certain type.

[0064] 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.

[0065] Example 2

[0066] like Figure 4b and Figure 4cAs shown, what is different from Example 1 is that the air guide structure is an air guide shell 82, and the air guide shell 82 is surrounded by an air guide duct 821, and the air guide duct 821 connects the air inlet area 741 and the air inlet end of the B auxiliary air duct 212; an air guide baffle is provided at one end of the air guide duct 821 close to the air inlet area 741, and the air guide baffle can be controlled to open or close the air guide duct 821; when the air guide baffle opens the air guide duct 821, the movement of the air guide baffle is controlled to open or close the air guide duct 821 or adjust the flow area of ​​the air guide duct 821.

[0067] Further, the air guide shell 82 is formed with a first fresh air inlet 822, and the first fresh air inlet 822 is externally connected to a first fresh air duct 83, and the first fresh air duct 83 and the air guide duct 821 are connected through the first fresh air inlet 822; a first fresh air baffle is provided at the first fresh air inlet 822, and the first fresh air baffle can be controlled to open or close the first fresh air inlet 822; when the temperature of the outside air is lower than the temperature of the air in the air inlet area 741, the outside air is allowed to enter the air guide duct 821 through the first fresh air duct 83 and mix with the air flowing through the air guide duct 821; the mixed air flows through the B auxiliary air duct 212 and exchanges heat with the air flowing through the A auxiliary air duct, so as to dehumidify the air flowing through the A auxiliary air duct, increase the dehumidification effect, and at the same time purify the air flowing through the air guide duct 821;

[0068] The outside air refers to the air in the environment where the heat pump device is located.

[0069] Example 3

[0070] On the basis of Example 1, the heat exchange component further includes a second auxiliary heat exchanger, which is arranged between the first auxiliary heat exchanger 2 and the condenser 3; the second auxiliary heat exchanger forms a D auxiliary air duct and an E auxiliary air duct having a heat exchange relationship, the D auxiliary air duct is connected to the A auxiliary air duct and the condenser air duct, and the E auxiliary air duct is connected to the outside to form a second fresh air loop; the outside air can flow through the second fresh air loop; when the temperature of the outside air is lower than the temperature of the air in the air inlet area 741, the air flowing through the D auxiliary air duct is dehumidified by allowing the outside air to flow through the E auxiliary air duct and exchange heat with the air flowing through the D auxiliary air duct, thereby increasing the dehumidification effect;

[0071] The outside world refers to the environment in which the heat pump device is located, and the outside air refers to the air in the environment in which the heat pump device is located.

[0072] Example 4

[0073] Different from the first embodiment, a second fresh air inlet is formed on the shell wall of the air outlet area 743, and a second fresh air duct is externally connected to the second fresh air inlet. The second fresh air duct and the air outlet area 743 are connected through the second fresh air inlet; a second fresh air baffle is provided at the second fresh air inlet, and the second fresh air baffle can be controlled to open or close the second fresh air inlet; when the temperature of the outside air is higher than or equal to the temperature of the air in the air outlet area 743, the air flowing through the air outlet area 743 can be purified by allowing the outside air to enter the air outlet area 743 through the second fresh air duct and mix with the air flowing through the air outlet area 743;

[0074] The outside air refers to the air in the environment where the heat pump device is located.

[0075] 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, a first 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 first 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 an air guide structure is arranged in the bypass 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; 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 wind guide structure is a wind guide plate, which is arranged near the air inlet end of the B auxiliary air duct, and an air guide port is formed on the side of the wind guide plate facing the air inlet area, and the size of the air guide port can be adjusted by controlling the movement of the wind guide plate; the wind guide plate is configured as follows: When the water content of the air in the air inlet area is greater than the evaporation amount of the evaporator, as the water content of the air in the air inlet area increases, the air guide plate is controlled to move and the size of the air guide port is increased; when the water content of the air in the air inlet area is less than the evaporation amount of the evaporator, as the water content of the air in the air inlet area decreases, the air guide plate is controlled to move and the size of the air guide port is reduced.

2. The heat pump device according to claim 1, characterized in that: The top wall of the evaporator is higher than the top wall of the first auxiliary heat exchanger, and the air inlet end of the B auxiliary air duct is located at the top of the first auxiliary heat exchanger; a first bypass air duct section is formed between the top wall of the evaporator and the top wall of the heat exchange zone, and a second bypass air duct section is formed between the top wall of the first auxiliary heat exchanger and the top wall of the heat exchange zone; The air inlet area, the first bypass air duct section, the second bypass air duct section and the B auxiliary air duct are connected in sequence; the air guide plate is arranged in the second bypass air duct section.

3. The heat pump device according to claim 2, characterized in that: The air guide plate is movably disposed in the second bypass air duct section.

4. The heat pump device according to claim 1, characterized in that: The first auxiliary heat exchanger further forms a C auxiliary air duct having a heat exchange relationship with the A auxiliary air duct, and the C auxiliary air duct is connected to the outside to form a first fresh air circuit; the outside air can flow through the first fresh air circuit; The outside world refers to the environment in which the heat pump device is located, and the outside air refers to the air in the environment in which the heat pump device is located.

5. The heat pump device according to claim 1, characterized in that: The heat exchange assembly further includes a second auxiliary heat exchanger, which is arranged between the first auxiliary heat exchanger and the condenser; the second auxiliary heat exchanger forms a D auxiliary air duct and an E auxiliary air duct having a heat exchange relationship, the D auxiliary air duct is connected to the A auxiliary air duct and the condenser air duct, and the E auxiliary air duct is connected to the outside to form a second fresh air circuit; the outside air can flow through the second fresh air circuit; The outside world refers to the environment in which the heat pump device is located, and the outside air refers to the air in the environment in which the heat pump device is located.

6. The heat pump device according to claim 1, characterized in that: The shell wall of the air outlet area is formed with a second fresh air inlet, the second fresh air inlet is externally connected to a second fresh air duct, and the second fresh air duct and the air outlet area are connected through the second fresh air inlet; a second fresh air baffle is provided at the second fresh air inlet, and the second fresh air baffle can be controlled to open or close the second fresh air inlet; External air can enter the air outlet area through the second fresh air duct and mix with the air flowing through the air outlet area; The outside air is the air in the environment where the heat pump device is located.

7. A clothes processing device, characterized in that: It comprises a clothes processing drum and a heat pump device as claimed in any one of claims 1 to 6, wherein the clothes processing drum is formed with a drying air inlet and a drying air outlet, and the heat pump device further comprises 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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