Heat pump heat exchange system of clothes treatment equipment, clothes treatment equipment and control method

Abstract

The embodiment of the invention relates to the technical field of life electric appliances, in particular to a heat pump heat exchange system of clothes treating equipment, the clothes treating equipment and a control method.The heat pump heat exchange system comprises a first heat exchanger, a second heat exchanger and a control structure, and the first heat exchanger communicates with the second heat exchanger through a heat exchange medium circulating flow channel; at least two heat exchange medium flowing paths are formed on the first heat exchanger, and the control structure is used for controlling the communication state between the heat exchange medium flowing paths and the heat exchange medium circulating flow channel, so that the heat exchange efficiency of the clothes treatment equipment is further improved.

Description

Technical Field

[0001] Embodiments of the present invention relate to the technical field of household appliances, and in particular to a heat pump heat exchange system for a clothing processing device, a clothing processing device, and a control method. Background Art

[0002] At present, clothes dryers and other clothing processing equipment on the market are usually equipped with a heat pump heat exchange system. A heat exchange medium flows in the condenser and evaporator of the heat pump heat exchange system. The heat exchange medium can exchange heat with the air to achieve effects such as drying or dehumidifying the air, thereby drying the clothes in the dryer.

[0003] However, the heat exchange efficiency of the above-mentioned clothes treating apparatus is poor. Summary of the invention

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, an embodiment of the present invention provides a heat pump heat exchange system of a clothing processing device, a clothing processing device and a control method.

[0005] In a first aspect, an embodiment of the present invention provides a heat pump heat exchange system of a clothes processing device, which includes a first heat exchanger, a second heat exchanger and a control structure; the first heat exchanger and the second heat exchanger are connected through a heat exchange medium circulation channel;

[0006] At least two heat exchange medium flow paths are formed on the first heat exchanger, and the control structure is used to control the connection state between each of the heat exchange medium flow paths and the heat exchange medium circulation channel.

[0007] The heat pump heat exchange system of the clothing processing equipment provided by the embodiment of the present invention is provided with a first heat exchanger and a second heat exchanger, and the first heat exchanger and the second heat exchanger are connected through a heat exchange medium circulation channel, so that the heat exchange medium can circulate between the first heat exchanger and the second heat exchanger, and at the same time, a control structure is provided, and at least two heat exchange medium flow paths are formed on the first heat exchanger. The control structure can control the connection state between each heat exchange medium flow path and the heat exchange medium circulation channel, so that the connection state between each heat exchange medium flow path and the heat exchange medium circulation channel can be flexibly changed according to actual needs, that is, by changing the heat exchanger connected to the heat exchange medium circulation channel The number of heat medium flow paths realizes the change of the amount of heat exchange medium flowing into the first heat exchanger. For example, when the clothing processing device equipped with the heat pump heat exchange system is in the late stage of drying, the temperature of the heat exchange medium increases due to overheating of the compressor, resulting in overheating of the air and a decrease in the heat exchange efficiency of the heat pump heat exchange system. The control structure controls the connectivity of each heat exchange medium flow path to realize the reduction of the amount of heat exchange medium inside the first heat exchanger, thereby relatively reducing the temperature of the first heat exchanger, further reducing the temperature of the air flowing through the first heat exchanger, so that the air flow can be maintained within a better heating temperature range, thereby further improving the heat exchange efficiency of the clothing processing device. At the same time, the reduction in the amount of heat exchange medium flowing into the first heat exchanger can also further reduce the workload of the compressor, thereby further reducing the working energy consumption of the clothing processing device.

[0008] In some embodiments, the control structure is disposed on the heat exchange medium circulation channel.

[0009] In some embodiments, the control structure includes an adjusting member, which has a first end and a second end that can be interconnected, the first end is connected to the heat exchange medium circulation channel, the number of the second ends is the same as the number of the heat exchange medium flow paths and the second ends are connected in a one-to-one correspondence, and the connection state between the first end and the second end is adjustable to control the connection state between each heat exchange medium flow path and the heat exchange medium circulation channel.

[0010] In some embodiments, the control structure further comprises at least two throttle members;

[0011] Each of the second ends is connected to the corresponding heat exchange medium flow path via a throttling member.

[0012] In some embodiments, the throttling element includes a capillary tube, one end of the capillary tube is in communication with the corresponding second end, and the other end of the capillary tube is in communication with the corresponding heat exchange medium flow path.

[0013] In some embodiments, among all the capillaries, the length of one capillary is greater than the length of another capillary;

[0014] And / or, the diameter of one of the capillaries is larger than the diameter of another of the capillaries.

[0015] In some embodiments, the throttling element includes an electronic expansion valve.

[0016] In some embodiments, among all the heat exchange medium flow paths, one heat exchange medium flow path has an overlapping path segment with another heat exchange medium flow path.

[0017] In some embodiments, the first heat exchanger has a heat exchange medium inlet and a heat exchange medium outlet, and the number of the heat exchange medium inlets is at least two, so as to form at least two heat exchange medium flow paths on the first heat exchanger;

[0018] The first heat exchanger comprises a heat exchange tube, one end of the heat exchange tube is formed as one of the heat exchange medium inlets, and the other end of the heat exchange tube is formed as the heat exchange medium outlet;

[0019] Among the remaining heat exchange medium inlets, at least one heat exchange medium inlet is arranged on the tube wall of the heat exchange tube and is located between one end of the heat exchange tube and the other end of the heat exchange tube.

[0020] In some embodiments, the first heat exchanger further comprises a heat exchanger body, the heat exchange tube comprises at least two heat exchange tube sections, each of the heat exchange tube sections is respectively penetrated through the heat exchanger body, and at least two of the heat exchange tubes are arranged at intervals on the heat exchanger body;

[0021] At least one end of two adjacent heat exchange pipe sections is connected by a connecting pipe, the connecting pipe is exposed outside the heat exchanger body, and the at least one heat exchange medium inlet is arranged on the connecting pipe.

[0022] In some embodiments, the first heat exchanger has a heat exchange medium inlet and a heat exchange medium outlet, and the number of the heat exchange medium inlets is at least two, so as to form at least two heat exchange medium flow paths on the first heat exchanger.

[0023] In some embodiments, all of the heat exchange medium inlets are located on the same side of the first heat exchanger.

[0024] In some embodiments, at least one of the heat exchange medium inlets is provided with a joint pipe;

[0025] The joint pipe has a first open end and a second open end that are interconnected, the first open end is connected to the heat exchange medium circulation channel, the second open end is connected to the heat exchange medium inlet, and the control structure is arranged between the first open end and the heat exchange medium circulation channel;

[0026] The diameter of the first opening end is smaller than the diameter of the second opening end.

[0027] In some embodiments, the joint pipe includes a first pipe segment and a second pipe segment, one end of the first pipe segment forms the first open end, the second pipe segment is connected to the other end of the first pipe segment, one end of the second pipe segment away from the first pipe segment forms the second open end, and the inner diameter of the first pipe segment is smaller than the inner diameter of the second pipe segment;

[0028] And / or, the second opening end is plugged into and interference-fitted with the heat exchange medium inlet.

[0029] In some embodiments, the first heat exchanger is an evaporator, and the second heat exchanger is a condenser.

[0030] In a second aspect, an embodiment of the present invention further provides a clothes processing device, which includes a cabinet, a clothes processing drum, and the heat pump heat exchange system as described above;

[0031] The laundry treatment drum and the heat pump heat exchange system are both arranged in the box body, a heat exchange channel is provided between the box body and the laundry treatment drum, the heat exchange channel is communicated with the inner cavity of the laundry treatment drum, and the first heat exchanger and the second heat exchanger are arranged in the heat exchange channel.

[0032] In some embodiments, the laundry processing device further comprises a sensor and a control device;

[0033] The control structure and the sensor are electrically connected to the control device respectively, the sensor is used to detect the temperature and / or humidity in the heat exchange channel, and the control device is used to control the control structure according to the temperature and / or humidity detected by the sensor to control the connection state between each heat exchange medium flow path and the heat exchange medium circulation flow channel.

[0034] In a third aspect, an embodiment of the present invention further provides a control method for the above-mentioned clothes processing device, which includes:

[0035] Obtaining status information of clothing processing equipment;

[0036] The communication state between each of the heat exchange medium flow paths and the heat exchange medium circulation flow channel is controlled according to the state information.

[0037] In some embodiments, the state information includes a temperature value and / or a humidity value;

[0038] The obtaining of status information of the laundry processing device comprises:

[0039] Acquire a first temperature value and / or a first humidity value in the heat exchange channel at a first moment;

[0040] If the first temperature value exceeds a preset temperature threshold, and / or if the first humidity value is lower than a preset humidity threshold, at least one of the heat exchange medium flow paths and the heat exchange medium circulation channel is controlled to be disconnected.

[0041] In some embodiments, if the first temperature value exceeds a preset temperature threshold, and / or if the first humidity value is lower than a preset humidity threshold, after controlling at least one of the heat exchange medium flow paths and the heat exchange medium circulation flow channel to be disconnected, the method further includes:

[0042] Acquire a second humidity value in the heat exchange channel at a second moment;

[0043] If the second humidity value is lower than the target humidity threshold, controlling all the heat exchange medium flow paths to be connected to the heat exchange medium circulation flow channel, and stopping the clothes processing device;

[0044] The target humidity threshold is less than the preset humidity threshold, and the second moment is any moment after the first moment.

[0045] In some embodiments, the status information includes the operating time of the laundry treatment device;

[0046] The obtaining of status information of the laundry processing device comprises:

[0047] If the working time reaches a preset time, at least one of the heat exchange medium flow paths is controlled to be disconnected from the heat exchange medium circulation channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the embodiments of the present invention.

[0049] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0050] Figure 1 It is a schematic structural diagram of a heat pump heat exchange system according to an embodiment of the present invention;

[0051] Figure 2 A schematic structural diagram of a first heat exchanger of a heat pump heat exchange system according to an embodiment of the present invention;

[0052] Figure 3It is a cross-sectional schematic diagram of a first heat exchanger of a heat pump heat exchange system according to an embodiment of the present invention;

[0053] Figure 4 A schematic diagram of a heat exchange medium flow path of a first heat exchanger in a heat pump heat exchange system according to an embodiment of the present invention under a full load state;

[0054] Figure 5 A schematic diagram of a heat exchange medium flow path of a first heat exchanger in a heat pump heat exchange system according to an embodiment of the present invention when the first heat exchanger is not fully loaded;

[0055] Figure 6 This is a schematic diagram of the structure of a joint pipe of a heat pump heat exchange system according to an embodiment of the present invention;

[0056] Figure 7 It is a schematic structural diagram of a heat pump heat exchange system according to an embodiment of the present invention;

[0057] Figure 8 A schematic structural diagram of a heat pump heat exchange system according to an embodiment of the present invention from another perspective;

[0058] Fig. 9 is a structural schematic diagram of a clothes processing device according to an embodiment of the present invention;

[0059] Fig.10 The figure is a flow chart of a control method of a clothes processing device according to an embodiment of the present invention.

[0060] Among them, 1. first heat exchanger; 1a. heat exchange medium inlet; 1b. heat exchange medium outlet; 1c. heat exchange medium flow path; 11. heat exchange tube; 111. heat exchange tube section; 112. connecting tube; 12. heat exchanger body; 121. fin; 13. connecting tube; 131. first tube section; 132. second tube section; 2. second heat exchanger; 3. control structure; 31. regulating element; 31a. first end; 31b. second end; 32. throttling element; 4. compressor; 5. heat exchange medium circulation pipeline; 6. drying filter; 7. liquid storage tank; 8. clothing treatment drum; A. heat exchange medium circulation flow channel; B. heat exchange channel. DETAILED DESCRIPTION

[0061] In order to more clearly understand the above-mentioned purposes, features and advantages of the embodiments of the present invention, the scheme of the embodiments of the present invention will be further described below. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0062] In the following description, many specific details are set forth to facilitate a full understanding of the embodiments of the present invention, but the embodiments of the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0063] like Figure 1-Figure 9 As shown, this embodiment provides a heat pump heat exchange system of a clothes processing device, which includes a first heat exchanger 1, a second heat exchanger 2 and a control structure 3. The first heat exchanger 1 and the second heat exchanger 2 are connected through a heat exchange medium circulation channel A.

[0064] For example, a heat exchange medium flows in the heat exchange medium circulation channel A, and the heat exchange medium can circulate between the first heat exchanger 1 and the second heat exchanger 2 through the heat exchange medium circulation channel A. Figure 1 As shown, the heat pump heat exchange system may include a compressor 4, one of the first heat exchanger 1 and the second heat exchanger 2 is an evaporator, and the other is a condenser. The compressor 4 is arranged on the heat exchange medium circulation channel A and is connected to the evaporator and the condenser, so that the heat exchange medium can circulate between the evaporator, the condenser and the compressor 4.

[0065] In specific implementation, the compressor 4 can compress the low-temperature and low-pressure heat exchange medium into a high-temperature and high-pressure state and then flow it into the condenser, so that the heat exchange medium releases heat through the condenser. The heat exchange medium after releasing heat will become a low-temperature and high-pressure state, and then flow into the evaporator, and the low-temperature heat exchange medium can further absorb heat through the evaporator.

[0066] Exemplarily, when the clothes processing device provided with the heat pump heat exchange system is drying clothes, an air flow that can flow through the evaporator, the condenser and the clothes to be dried is formed inside the clothes processing device. The air flow first flows through the evaporator, and heat exchange occurs with the evaporator, so that the evaporator absorbs heat from the air to dehumidify the air. The dehumidified and dry low-temperature air then flows through the condenser, and the heat exchange medium in the condenser can heat the air flow to form high-temperature dry air, and then the air flows through the clothes to be dried to heat and dry the clothes.

[0067] Reference Figure 1 , Figure 7 and Figure 8 As shown, illustratively, the heat exchange medium circulation channel A can be formed by, for example, a heat exchange medium circulation pipeline 5, and the first heat exchanger 1, the second heat exchanger 2 and the compressor 4 are connected through the heat exchange medium circulation pipeline 5 and communicate with each other.

[0068] Among them, at least two heat exchange medium flow paths 1c are formed on the first heat exchanger 1, and the control structure 3 is used to control the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A.

[0069] The above-mentioned connection states include: the heat exchange medium flow path 1c is connected to the heat exchange medium circulation channel A, that is, the heat exchange medium can flow between the two; and the heat exchange medium flow path 1c is disconnected from the heat exchange medium circulation channel A. The control structure 3 controls the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A, and the control structure 3 can control the connection / disconnection between one or more heat exchange medium flow paths 1c and the heat exchange medium circulation channel A.

[0070] For example, when there are two heat exchange medium flow paths 1c, one of the heat exchange medium flow paths 1c can be kept connected to the heat exchange medium circulation channel A at all times. When it is necessary to change the connection state between the heat exchange medium flow path 1c and the heat exchange medium circulation channel A, the other heat exchange medium flow path 1c and the heat exchange medium circulation channel A can be shut off through the control structure 3.

[0071] Taking the conductive state between one of the heat exchange medium flow paths 1c and the heat exchange medium circulation channel A as an example, in the conductive state, the control structure 3 controls the connection state between the heat exchange medium flow path 1c and the heat exchange medium circulation channel A. The size of the connecting port between the heat exchange medium flow path 1c and the heat exchange medium circulation channel A can also be controlled to adjust the amount of heat exchange medium flowing into the heat exchange medium flow path 1c, thereby realizing the control and regulation of the connection state between the heat exchange medium flow path 1c and the heat exchange medium circulation channel A.

[0072] For example, when the clothes processing device performs a drying process on clothes:

[0073] In the early stage of drying, the compressor 4 maintains a good working efficiency, and the high-temperature and high-pressure heat exchange medium formed by its compression releases heat through the condenser. The low-temperature and high-pressure medium after heat release cools and dehumidifies the air through the evaporator temperature.

[0074] In the later stage of drying, as the heat pump heat exchange system operates, the temperature of the compressor 4 becomes higher and higher, and accordingly, the temperature of the heat exchange medium also becomes higher and higher, resulting in an increase in the temperature of the condenser and the evaporator. When the air flow passes through the heat pump heat exchange system, more and more heat is absorbed, resulting in overheating of the air, and the clothes processing equipment cannot maintain the best heat exchange efficiency, resulting in a decrease in heat exchange efficiency. In addition, due to the increase in the temperature of the evaporator, it is difficult for the evaporator to achieve a good dehumidification effect on the air flow, resulting in a deterioration in the drying efficiency of the clothes processing equipment in the later stage of drying.

[0075] In specific implementation, the first heat exchanger 1 is made to form at least two heat exchange medium flow paths 1c, and the control structure 3 can control the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A, so that the first heat exchanger 1 can form a full load or a non-load state.

[0076] Reference Figure 4 As shown, for example, when there are two heat exchange medium flow paths 1c, when one of the heat exchange medium flow paths 1c is connected to the heat exchange medium circulation channel A, the amount of heat exchange medium flowing into the first heat exchanger 1 is relatively large. At this time, the first heat exchanger 1 corresponds to a full load state. This setting can enable the first heat exchanger 1 to maintain a larger workload in the early stage of drying, thereby achieving a better heat exchange effect.

[0077] Reference Figure 5 As shown, in the later stage of drying, the connection state between the heat exchange medium flow path 1c and the heat exchange medium circulation channel A on the first heat exchanger 1 can be changed by the control structure 3, for example, one of the heat exchange medium flow paths 1c and the heat exchange medium circulation channel A is shut off, and the other heat exchange medium flow path 1c is connected to the heat exchange medium circulation channel A. At this time, the first heat exchanger 1 is switched to operate in a non-full load state, and the amount of heat exchange medium flowing into the first heat exchanger 1 is reduced, which can make the temperature of the first heat exchanger 1 relatively lower, so that the temperature of the air flowing through the first heat exchanger 1 can also be reduced accordingly, thereby avoiding overheating of the air flow and allowing the clothing processing equipment to continue to maintain a better heat exchange efficiency.

[0078] The heat pump heat exchange system provided in this embodiment is provided with a first heat exchanger 1 and a second heat exchanger 2, and the first heat exchanger 1 and the second heat exchanger 2 are connected through a heat exchange medium circulation channel A, so that the heat exchange medium can circulate between the first heat exchanger 1 and the second heat exchanger 2, and at the same time, a control structure 3 is provided, and at least two heat exchange medium flow paths 1c are formed on the first heat exchanger 1, and the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A can be controlled by the control structure 3, so that the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A can be flexibly changed according to actual needs, that is, by changing the heat exchange medium flow path 1c connected to the heat exchange medium circulation channel A, the heat exchange medium circulation channel A can be circulated between the first heat exchanger 1 and the second heat exchanger 2. The number of mass flow paths 1c is used to change the amount of heat exchange medium flowing into the first heat exchanger 1. For example, when the clothing treatment device equipped with the heat pump heat exchange system is in the late stage of drying, the temperature of the heat exchange medium increases due to overheating of the compressor 4, resulting in overheating of the air and a decrease in the heat exchange efficiency of the heat pump heat exchange system. The control structure 3 controls the conduction state of each heat exchange medium flow path 1c to reduce the amount of heat exchange medium in the first heat exchanger 1, thereby relatively reducing the temperature of the first heat exchanger 1 and further reducing the temperature of the air flowing through the first heat exchanger 1, so that the air flow can be kept within a better heating temperature range, thereby further improving the heat exchange efficiency of the clothing treatment device. At the same time, the amount of heat exchange medium flowing into the first heat exchanger 1 is reduced, which can further reduce the workload of the compressor 4, thereby further reducing the working energy consumption of the clothing treatment device.

[0079] Exemplarily, the first heat exchanger 1 is an evaporator, and the second heat exchanger 2 is a condenser.

[0080] In specific implementation, in the early stage of drying, due to the large dehumidification demand of the evaporator and the low overall temperature of the heat pump heat exchange system, the heat exchange medium in the evaporator can maintain a good low temperature and high pressure state to achieve cooling and dehumidification of the air flow. In the later stage of drying, due to the increase in the temperature of the evaporator, the proportion of the latent heat load of the evaporator to process the air decreases, and the proportion of the sensible heat load increases. In other words, the low temperature of the evaporator basically cools the air, making it difficult to dehumidify the air, resulting in a reduction in the dehumidification capacity of the evaporator and a corresponding reduction in the drying efficiency of the clothing processing equipment.

[0081] Reference Figure 4 and Figure 5As shown, for example, the evaporator can be operated at full load in the early stage of drying to ensure the best dehumidification effect. In the later stage of drying, the control structure 3 changes the connection state between the heat exchange medium flow path 1c on the evaporator and the heat exchange medium circulation flow channel A, so that the evaporator is switched to operate in a non-full load state, so that the amount of heat exchange medium flowing into the evaporator is reduced, the temperature of the evaporator is relatively reduced, and its dehumidification capacity for air flow is further improved, thereby further improving the overall heat exchange efficiency of the heat pump heat exchange system.

[0082] Therefore, the first heat exchanger 1 is an evaporator. While achieving the above-mentioned reduction in evaporator temperature, improvement in the overall heat exchange efficiency of the heat pump heat exchange system, and acceleration of drying time, it also increases the latent heat ratio of the evaporator by lowering the temperature of the evaporator, thereby improving the dehumidification effect of the evaporator. At the same time, it can also make corresponding adjustments to the situation where the dehumidification demand decreases in the later stage of drying, so as to reduce the workload of the evaporator and further reduce the working energy consumption of the heat pump heat exchange system.

[0083] Of course, in other embodiments, the first heat exchanger 1 may also be a condenser. When the first heat exchanger 1 is a condenser, switching the condenser from a full-load state to an unloaded state can reduce the amount of heat exchange medium in the condenser, reduce the temperature of the condenser, and correspondingly reduce the temperature of the air flowing through the first heat exchanger 1 to a better temperature range, thereby ensuring that the clothes processing device continues to maintain a better heat exchange efficiency.

[0084] Reference Figure 1 and Figure 2 As shown, in some embodiments, the first heat exchanger 1 may have a heat exchange medium inlet 1a and a heat exchange medium outlet 1b, wherein there are at least two heat exchange medium inlets 1a to form at least two heat exchange medium flow paths 1c on the first heat exchanger 1. That is, each heat exchange medium inlet 1a is respectively connected to the heat exchange medium outlet 1b to form a heat exchange medium flow path 1c.

[0085] Exemplarily, the present embodiment is described with two heat exchange medium inlets 1a. Of course, in other embodiments, the number of heat exchange medium inlets 1a can also be set to be greater than two, which can further improve the adjustment accuracy and thus further improve the heat exchange efficiency of the clothing processing equipment.

[0086] In specific implementation, the control structure 3 is used to change the connection state between the heat exchange medium flow path 1c on the first heat exchanger 1 and the heat exchange medium circulation channel A. For example, one of the heat exchange medium inlets 1a and the heat exchange medium circulation channel A can be shut off, and the other heat exchange medium inlet 1a can be connected to the heat exchange medium circulation channel A, so that the first heat exchanger 1 operates in a non-full load state.

[0087] Of course, in other embodiments, the number of heat exchange medium outlets 1b can be set to at least two, and the connection state between each heat exchange medium outlet 1b and the heat exchange medium circulation channel A can be changed by the control structure 3 to change the heat exchange medium flow path 1c connected to the heat exchange medium circulation channel A, thereby realizing the change of the operating state of the first heat exchanger 1.

[0088] Reference Figure 1 , Figure 7 and Figure 8 As shown, in some embodiments, the control structure 3 is arranged on the heat exchange medium circulation channel A.

[0089] That is, the control structure 3 controls the connection state between the heat exchange medium circulation channel A and each heat exchange medium circulation path on the first heat exchanger 1 by controlling the connection state between the heat exchange medium circulation channel A and the heat exchange medium inlet 1a of the first heat exchanger 1. This arrangement makes the arrangement of the control structure 3 more convenient and can save space to a certain extent.

[0090] Specifically, the control structure 3 is disposed on the upstream side of the first heat exchanger 1 , so as to control the communication state between the heat exchange medium circulation flow channel A and the heat exchange medium inlet 1 a .

[0091] In other embodiments, the control structure 3 may also be disposed at a position outside the heat exchange medium circulation channel A, as long as the connection state between the heat exchange medium circulation path 1c and the heat exchange medium circulation channel A can be controlled.

[0092] Reference Figure 1 As shown, in some embodiments, the control structure 3 includes an adjusting member 31, the adjusting member 31 has a first end 31a and a second end 31b, the first end 31a is connected to the heat exchange medium circulation channel A, the number of second ends 31b is the same as the number of heat exchange medium flow paths 1c and are connected in a one-to-one correspondence, and the connection state between the first end 31a and the second end 31b is adjustable to control the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A.

[0093] With this arrangement, the flow state between the heat exchange medium inlet 1a and the heat exchange medium circulation channel A can be adjusted by changing the connection state between the first end 31a and the second end 31b of the adjusting member 31 itself. The control method is relatively simple, the operation is convenient, and the connection state can be quickly adjusted.

[0094] In specific implementation, for example, the first end 31a of the regulating member 31 can be the inlet end, and the second end 31b can be the outlet end. The first end 31a of the regulating member 31 is connected to the heat exchange medium circulation channel A, and each second end 31b of the regulating member 31 is set in a one-to-one correspondence with the heat exchange medium flow path 1c, for example, each second end 31b of the regulating member 31 is connected to the heat exchange medium inlet 1a in a one-to-one correspondence. For example, at least two internal channels can be formed between the first end 31a and the second end 31b of the regulating member 31, and the heat exchange medium inlet 1a can be connected to the heat exchange medium circulation channel A through the internal channel of the regulating member 31.

[0095] Exemplarily, the regulating member 31 may use an electronic regulating valve (such as an electronic expansion valve), and the electronic regulating valve may be electrically connected to a control device of a heat pump heat exchange system or a control device of a clothes processing device, so as to control and regulate the connection state of the regulating member 31 through the control device. For example, when it is necessary to close the internal passage formed between the first end 31a and one of the second ends 31b, the control device can send a control signal to the electronic regulating valve, and the electronic regulating valve can trigger the stopper (such as the valve core of the electronic expansion valve) to move toward the corresponding position after receiving the control signal, thereby realizing the closing of the corresponding internal passage.

[0096] Of course, in other embodiments, the adjusting member 31 may also use other methods to adjust the communication state between the first end 31 a and each second end 31 b.

[0097] Reference Figure 1 As shown, in some embodiments, the control structure 3 further includes at least two throttling members 32, and each second end 31b is connected to the corresponding heat exchange medium flow path 1c through a throttling member 32. In this way, throttling members 32 of corresponding specifications can be set corresponding to different heat exchange medium flow paths 1c, and the connection, i.e., communication, between the second end 31b and the corresponding heat exchange medium flow path 1c can be achieved through the throttling member 32, so that when the heat exchange medium flow path 1c changes, the flow of the heat exchange medium can be adaptively adjusted through the throttling member 32, so that the pressure and load of the heat exchange medium flowing into the first heat exchanger 1 remain basically constant, avoiding the problem that the heat exchange medium flow rate suddenly increases, causing the mechanical load of the heat exchanger to increase, or the heat exchange efficiency cannot be guaranteed due to the sudden decrease in the heat exchange medium flow rate.

[0098] For example, corresponding to different heat exchange medium inlets 1a, the specifications of the throttling device 32 are also different. For example, the heat exchange medium flow path 1c in a fully loaded state corresponds to a throttling device 32 with a large flow rate, and the heat exchange medium flow path 1c in an unloaded state corresponds to a throttling device 32 with a small flow rate.

[0099] Exemplarily, the throttle 32 may be a capillary tube, one end of which is connected to the corresponding second end 31b, and the other end of which is connected to the corresponding heat exchange medium inlet 1a. The throttle 32 is a capillary tube, which occupies a small space and has a relatively simple structure.

[0100] In some embodiments, the length of one of the capillary tubes may be greater than the length of another of the capillary tubes, so that the flow rates required by different heat exchange medium flow paths 1 c can be matched by changing the length of the capillary tubes.

[0101] For example, when the first heat exchanger 1 is in a fully loaded state, the heat exchange medium flow path 1c is longer, and more heat exchange medium flows into the first heat exchanger 1. Therefore, the heat exchange medium circulation flow channel A is connected to the heat exchange medium flow path 1c in the fully loaded state through a shorter capillary tube to ensure that a large flow of heat exchange medium exists in the first heat exchanger 1. When the first heat exchanger 1 is switched to a not fully loaded state, the heat exchange medium flow path 1c becomes shorter, and the heat exchange medium flowing into the first heat exchanger 1 decreases. Accordingly, the heat exchange medium circulation flow channel A is connected to the heat exchange medium flow path 1c in the not fully loaded state through a longer capillary tube to ensure that a small flow of heat exchange medium exists in the first heat exchanger 1.

[0102] In some embodiments, the diameter of one capillary tube may be larger than the diameter of another capillary tube to correspond to different heat exchange medium flow rates, thereby adjusting the flow state of the heat exchange medium. Alternatively, different capillary tube lengths may be used to correspond to different heat exchange medium flow paths 1c, and the diameters of the capillaries may also be set to be different, thereby better reflecting the corresponding effect with heat exchange medium flow paths 1c with different flow rates.

[0103] In other embodiments, the throttling element 32 may also be an electronic expansion valve, so that the electronic expansion valve is controlled by the control mechanism of the clothing processing equipment to adjust the flow rate.

[0104] In some embodiments, among all the heat exchange medium flow paths 1c, one heat exchange medium flow path 1c has an overlapping path segment with another heat exchange medium flow path 1c.

[0105] Such an arrangement enables part of one of the heat exchange medium flow paths 1c to be shared, thereby further reducing the space on the first heat exchanger 1 occupied by the heat exchange medium flow path 1c while ensuring adjustment by switching different heat exchange medium flow paths 1c, making the first heat exchanger 1 more miniaturized, further reducing the space occupied by the entire heat pump heat exchange system, and improving the space utilization of the clothing processing equipment.

[0106] For example, for two heat exchange medium flow paths 1c of different lengths, for example, the entirety of one heat exchange medium flow path 1c can be overlapped with a portion of the path segment of the other heat exchange medium flow path 1c, so that the overlapped path segment of the other heat exchange medium flow path 1c can be directly used as a complete heat exchange medium flow path 1c, thereby realizing the switching of two heat exchange medium flow paths 1c of different lengths. Of course, in other embodiments, only a portion of the path segment of one heat exchange medium flow path 1c can be overlapped with a portion of the path segment of the other heat exchange medium flow path 1c.

[0107] Reference Figure 2-Figure 5 As shown, in some embodiments, the first heat exchanger 1 includes a heat exchange tube 11, one end of the heat exchange tube 11 is formed as one of the heat exchange medium inlets 1a, the other end of the heat exchange tube 11 is formed as a heat exchange medium outlet 1b, and among the remaining heat exchange medium inlets 1a, at least one heat exchange medium inlet 1a is arranged on the tube wall of the heat exchange tube 11 and is located between one end of the heat exchange tube 11 and the other end of the heat exchange tube 11.

[0108] Among the remaining heat exchange medium inlets 1a, at least one heat exchange medium inlet 1a is arranged on the tube wall of the heat exchange tube 11 and is located between one end and the other end of the heat exchange tube 11, that is, the heat exchange medium can enter the heat exchange tube 11 from one end of the heat exchange tube 11, and can also enter the heat exchange tube 11 from another position on the heat exchange tube 11.

[0109] In this way, the amount of heat exchange medium entering the heat exchange tube 11 can be reduced by allowing the heat exchange medium to flow through only a portion of the heat exchange tube 11, thereby achieving switching between a full load state and an underload state. In other words, on the basis of forming a heat exchange medium flow path 1c between the two ends of the heat exchange tube 11, another heat exchange medium flow path 1c is formed through a portion between the two ends of the heat exchange tube 11, that is, one heat exchange tube 11 can form two heat exchange medium flow paths 1c for achieving different states, thereby further simplifying the heat exchanger structure and improving the space utilization rate of the first heat exchanger 1.

[0110] Reference Figure 2As shown, in a specific implementation, when there are two heat exchange medium inlets 1a, one heat exchange medium inlet 1a is set at one end of the heat exchange tube 11, and the other heat exchange medium inlet 1a is correspondingly set on the tube wall of the heat exchange tube 11. When there are more than two heat exchange medium inlets 1a, one heat exchange medium inlet 1a is set at one end of the heat exchange tube 11, and all the other heat exchange medium inlets 1a can be set on the tube wall between one end and the other end of the heat exchange tube 11, so that there is no need to set additional heat exchange tubes 11 or other structures to form different heat exchange medium flow paths 1c. In another implementation, a part of the remaining heat exchange medium inlets 1a can also be set on the tube wall between one end and the other end of the heat exchange tube 11, and the other part of the remaining heat exchange medium inlets 1a is formed by a separate heat exchange tube 11.

[0111] Reference Figure 2-Figure 5 As shown, in some embodiments, the first heat exchanger 1 also includes a heat exchanger body 12, and the heat exchange tube 11 includes at least two heat exchange tube segments 111, each heat exchange tube segment 111 is respectively penetrated on the heat exchanger body 12, and at least two heat exchange tubes 11 are arranged at intervals on the heat exchanger body 12.

[0112] This arrangement can increase the contact area between the first heat exchanger 1 and the air flow passing through the first heat exchanger 1 through the heat exchanger body 12, thereby further improving the heat exchange effect of the first heat exchanger 1 on the air flow.

[0113] Exemplarily, at least one end of two adjacent heat exchange pipe segments 111 is connected via a connecting pipe 112 , the connecting pipe 112 is exposed outside the heat exchanger body 12 , and at least one heat exchange medium inlet 1 a is disposed on the connecting pipe 112 .

[0114] Such an arrangement enables multiple heat exchange pipe segments 111 to be connected, thereby further improving the heat exchange efficiency of the heat exchanger structure. Compared with a solution in which the heat exchange pipe segments 111 are not connected, multiple heat exchange pipe segments 111 can be structurally integrated, thereby making the connection between the heat exchange tube 11 and the heat exchanger body 12 more convenient and faster.

[0115] Exemplarily, the connecting pipe 112 may be an arc-shaped pipe, so that the heat exchange medium can flow more smoothly through the connecting pipe 112 , thereby further ensuring the heat exchange effect between the heat exchange medium and the heat exchange pipe 11 .

[0116] Reference Figure 2 As shown, in some embodiments, the heat exchanger body 12 includes a fin group, and the fin group is provided with fin holes for the heat exchange tubes 11 to pass through. All heat exchange tube sections 111 are passed through the fin holes to achieve installation and fixation relative to the heat exchanger body 12.

[0117] Reference Figure 2As shown, exemplarily, the fin group includes at least two fins 121 arranged along a preset direction, each fin 121 is provided with at least one fin hole, and the corresponding fin holes on all the fins 121 together form a fin channel for the heat exchange tube section 111 to pass through, and a gap is formed between two adjacent fins 121 for air flow to pass through.

[0118] This arrangement allows the heat of the heat exchange medium in the heat exchange tube 11 to be absorbed by the multiple fins 121 , thereby increasing the heat exchange area between the air flow passing through the fin group and the fins 121 , and further enhancing the heat exchange capacity of the first heat exchanger 1 .

[0119] Reference Figure 2-Figure 5 As shown, in some embodiments, all heat exchange medium inlets 1a are located on the same side of the first heat exchanger 1. This arrangement facilitates corresponding connection of all heat exchange medium inlets 1a on the first heat exchanger 1 with the control structure 3, and facilitates the arrangement of the control structure 3, thereby improving the space utilization of the heat pump heat exchange system.

[0120] Exemplarily, the heat exchange medium inlet 1a is located on the same side of the first heat exchanger 1, and all heat exchange medium inlets 1a are arranged on the part of the heat exchange tube 11 located on one side of the heat exchanger body 12, and face the direction of the control structure 3, so as to facilitate corresponding connection with the control structure 3. The throttle 32 is correspondingly arranged between the adjustment member 31 and the corresponding heat exchange medium inlet 1a, so as to adaptively adjust the flow rate of the heat exchange medium on the corresponding heat exchange medium flow path 1c.

[0121] Reference Figure 2 and Figure 3 As shown, in some embodiments, at least one heat exchange medium inlet 1a is provided with a joint pipe 13. The joint pipe 13 has a first open end and a second open end that are connected to each other, the first open end is connected to the heat exchange medium circulation channel A, the second open end is connected to the heat exchange medium inlet 1a, and the control structure 3 is arranged between the first open end and the heat exchange medium circulation channel A. By providing the joint pipe 13, the assembly of the first heat exchanger 1 is more convenient.

[0122] Illustratively, in this embodiment, a joint pipe 13 may be provided at all heat exchange medium inlets 1 a to be connected to the throttling member 32 accordingly.

[0123] Reference Figure 6As shown, the caliber of the first opening end of the joint pipe 13 is smaller than the caliber of the second opening end. This arrangement, on the one hand, can facilitate the matching of the diameters of the heat exchange tube 11 and the capillary tube when the throttling member 32 is a capillary tube, and on the other hand, can also achieve a certain degree of buffering when the heat exchange medium in the heat exchange medium circulation flow channel A flows into the first heat exchanger 1 by changing the caliber of the joint pipe 13 from small to large, thereby avoiding the generation of jet noise due to the sudden increase in the cross section of the heat exchange medium when it flows into the first heat exchanger 1.

[0124] Exemplarily, the capillary tube and the joint tube 13 may be connected by inserting the capillary tube into the first open end of the joint tube 13 and making an interference fit between the capillary tube and the joint tube 13 to ensure the sealing reliability of the connection.

[0125] Exemplarily, the second open end is plugged and interference-fitted with the heat exchange medium inlet 1a. This arrangement can ensure the connection and sealing reliability between the joint pipe 13 and the heat exchange tube 11.

[0126] Reference Figure 6 As shown, in some embodiments, the joint pipe 13 includes a first pipe segment 131 and a second pipe segment 132, one end of the first pipe segment 131 forms a first open end, the second pipe segment 132 is connected to the other end of the first pipe segment 131, and the end of the second pipe segment 132 away from the first pipe segment 131 is formed as a second open end, and the inner diameter of the first pipe segment 131 is smaller than the inner diameter of the second pipe segment 132.

[0127] Reference Figure 6 As shown, for example, the first pipe section 131 and the second pipe section 132 can be connected by a pipe section with a gradual inner diameter. This arrangement can make the transition of the pipe diameter smoother, thereby making the adjustment process of the flow rate of the heat exchange medium more stable.

[0128] Reference Figure 1 , Figure 7 and Figure 8 As shown, in some embodiments, the heat pump heat exchange system also includes a drying filter 6, which is used to filter the heat exchange medium to filter impurities or condensed particles in the heat exchange medium to prevent the regulating member 31 or the throttling member 32 from flowing into the regulating member 31 or the throttling member 32 and causing blockage to the regulating member 31 or the throttling member 32, resulting in damage to the regulating member 31 or the throttling member 32.

[0129] Reference Figure 1 , Figure 7 and Figure 8As shown, in some embodiments, the heat pump heat exchange system further includes a liquid storage tank 7. The liquid storage tank 7 is used to store heat exchange medium and to buffer the heat exchange medium when the flow of the heat exchange medium in the first heat exchanger 1 or the second heat exchanger 2 changes, thereby avoiding damage caused by overpressure inside the compressor 4.

[0130] Continue to refer to Figure 1-Figure 9 As shown, this embodiment also provides a clothes processing device, which includes a cabinet, a clothes processing drum 8 and a heat pump heat exchange system.

[0131] Among them, the heat pump heat exchange system in this embodiment has the same structure as the heat pump heat exchange system provided in the above embodiment, and can bring the same or similar technical effects.

[0132] Specifically, the clothing treatment drum 8 and the heat pump heat exchange system are both arranged in a box, and a heat exchange channel B is provided between the box and the clothing treatment drum 8. The heat exchange channel B is connected to the inner cavity of the clothing treatment drum 8, and the first heat exchanger 1 and the second heat exchanger 2 are arranged in the heat exchange channel B.

[0133] The air can circulate between the heat exchange channel B and the inner cavity of the laundry treatment drum 8. Since the first heat exchanger 1 and the second heat exchanger 2 are arranged in the heat exchange channel B, the air flow in the heat exchange channel B can perform heat exchange respectively when flowing through the first heat exchanger 1 and the second heat exchanger 2, and then further flow into the inner cavity of the laundry treatment drum 8, so as to heat the clothes placed in the inner cavity of the laundry treatment drum 8 through the air flow after heat exchange. Exemplarily, a circulating fan can also be arranged in the heat exchange channel B, and the circulating fan can drive the air to circulate between the heat exchange channel B and the inner cavity of the laundry treatment drum 8.

[0134] Exemplarily, the first heat exchanger 1 is an evaporator, the second heat exchanger 2 is a condenser, and the process of drying the clothes in the clothes processing drum 8 by the heat pump heat exchange system is specifically as follows:

[0135] The low-temperature humid air in the clothes treatment drum 8 enters the heat exchange channel B under the action of the circulating fan, for example, it can first pass through the first heat exchanger 1 to exchange heat with the first heat exchanger 1, so that the first heat exchanger 1 absorbs heat from the air to achieve air dehumidification. The dehumidified dry low-temperature air then passes through the second heat exchanger 2 to exchange heat to heat the air, and then enters the clothes treatment drum 8 after forming high-temperature dry hot air, thereby achieving heating or drying of the clothes in the clothes treatment drum 8.

[0136] The clothing processing device of this embodiment may specifically be a clothes dryer, a heat pump washer-dryer, a care cabinet, etc. As long as it is a clothing processing device having drying requirements, for example, the above-mentioned heat pump heat exchange system may be applied.

[0137] This embodiment is described by taking the structure of a clothes dryer as an example. Fig. 9 shown.

[0138] In the early stage of drying the clothes processing equipment, the compressor 4 maintains a good working efficiency, and the high-temperature and high-pressure heat exchange medium formed by its compression releases heat through the condenser. Since the water content of the dried clothes in the clothes processing drum 8 is relatively large, that is, the dehumidification capacity is large, the heat pump heat exchange system can operate at full load to achieve a better heat exchange effect.

[0139] In the later stage of drying, as the heat pump heat exchange system operates, the temperature of the compressor 4 becomes higher and higher, and accordingly, the temperature of the heat exchange medium also becomes higher and higher, resulting in an increase in the temperature of the condenser and the evaporator. The air flow passing through the heat pump heat exchange system absorbs more and more heat, resulting in overheating of the air, and the clothing treatment device cannot maintain the best heat exchange efficiency, resulting in a decrease in heat exchange efficiency. At this time, the control structure 3 can be used to change the connection state between the heat exchange medium flow path 1c on the first heat exchanger 1 and the heat exchange medium circulation channel A, such as shutting off one of the heat exchange medium inlets 1a and the heat exchange medium circulation channel A, and connecting another heat exchange medium inlet 1a and the heat exchange medium circulation channel A. At this time, the first heat exchanger 1 is switched to operate in a non-loaded state, and the amount of heat exchange medium flowing into the first heat exchanger 1 becomes less, so that the temperature of the first heat exchanger 1 can be relatively reduced, so that the temperature of the air flowing through the first heat exchanger 1 can also be reduced accordingly, thereby avoiding overheating of the air flow and allowing the clothing treatment device to continue to maintain a better heat exchange efficiency.

[0140] In some embodiments, the clothing processing device further includes a sensor and a control device. The control structure 3 and the sensor are electrically connected to the control device respectively, the sensor is used to detect the temperature and / or humidity in the heat exchange channel B, and the control device is used to control the control structure 3 according to the temperature and / or humidity detected by the sensor, so as to control the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A. In this way, the connection state between each heat exchange medium flow path 1c and the heat exchange medium circulation channel A can be adjusted in a timely and flexible manner according to the temperature and / or humidity in the heat exchange channel B, thereby improving the accuracy and timeliness of the control and further improving the heat exchange efficiency.

[0141] Exemplarily, the control device is, for example, a main controller disposed in the laundry processing device.

[0142] In specific implementation, the real-time temperature and / or humidity data obtained by the temperature sensor can be transmitted to the control device, and the control device compares the real-time temperature and / or humidity data with the preset temperature and / or humidity thresholds. For example, when the real-time temperature value exceeds the preset temperature threshold, and / or the real-time humidity value is lower than the preset humidity threshold, at least one of the heat exchange medium flow paths 1c and the heat exchange medium circulation channel A is controlled to be shut off to achieve the switching of the first heat exchanger 1 from a full load state to a non-load state.

[0143] Other technical features are the same as those of the above embodiments and can bring the same or similar technical effects, which will not be repeated here. Please refer to the description of the above embodiments for details.

[0144] See also Fig.10 As shown, this embodiment also provides a control method for a clothing processing device, which is executed by all or part of the above-mentioned clothing processing device and can bring the same or similar technical effects.

[0145] The control method of the clothes processing device specifically includes:

[0146] Step 101, obtaining status information of a clothing processing device;

[0147] Step 102: Control the connection state between each heat exchange medium flow path and the heat exchange medium circulation flow channel according to the state information.

[0148] Exemplarily, the status information of the clothes processing device mentioned in step 101 may be, for example, a temperature value and / or a humidity value in the heat exchange channel.

[0149] When the state information is the temperature value and / or humidity value in the heat exchange channel, the above step 101 specifically includes:

[0150] Acquire a first temperature value and / or a first humidity value in the heat exchange channel at a first moment;

[0151] If the first temperature value exceeds a preset temperature threshold, and / or if the first humidity value is lower than a preset humidity threshold, at least one of the heat exchange medium flow paths and the heat exchange medium circulation flow channel is controlled to be disconnected.

[0152] Exemplarily, the temperature value in the heat exchange channel is acquired by a temperature sensor disposed in the heat exchange channel, and the humidity value in the heat exchange channel is acquired by a humidity sensor disposed in the heat exchange channel.

[0153] When acquiring the status information, the first temperature value and the first humidity value may be acquired simultaneously, or only the first temperature value may be acquired, or only the first humidity value may be acquired. Specifically, matching settings may be made according to different control modes of the control device of the clothing processing equipment.

[0154] For example, the preset temperature threshold and the preset humidity threshold can be determined according to different clothing types. For example, the clothing type can be selected through the control program of the clothing processing device, and then the preset temperature threshold and the preset humidity threshold are further set in the program under the clothing type, so as to realize adaptive adjustment of the preset temperature threshold and the preset humidity threshold for different clothing types.

[0155] In some embodiments, if the first temperature value exceeds a preset temperature threshold, and / or if the first humidity value is lower than a preset humidity threshold, controlling at least one heat exchange medium flow path to be disconnected from the heat exchange medium circulation flow channel further includes the following steps:

[0156] Obtaining a second humidity value in the heat exchange channel at a second moment;

[0157] If the second humidity value is lower than the target humidity threshold, all heat exchange medium flow paths are controlled to be connected with the heat exchange medium circulation flow channel, and the clothes processing device is stopped;

[0158] The target humidity threshold is less than the preset humidity threshold, and the second moment is any moment after the first moment.

[0159] For example, the target humidity threshold may be a humidity value at which the humidity of the clothes has reached the drying standard. That is, when the second humidity value is lower than the target humidity threshold, the clothes have reached the drying requirement, and the drying process may end. At this time, all heat exchange medium flow paths are connected to the heat exchange medium circulation flow channel through the control structure, that is, the heat pump heat exchange system can be restored to the initial state where the clothes processing device can start the next operation.

[0160] Exemplarily, both the preset humidity threshold and the target humidity threshold can be set specifically for different drying programs. For example, when the control program is cotton clothes drying, the preset humidity threshold and the target humidity threshold can be set to A1 and A2. After the user selects the drying program, the control device can send a control signal to the control structure of the clothing processing device when the sensor detects that the humidity value is lower than A1, so that the control structure controls at least one of the heat exchange medium flow paths and the heat exchange medium circulation channel to be shut off, and controls all heat exchange medium flow paths and the heat exchange medium circulation channel to be connected when the sensor detects that the humidity value is lower than A2, and stops the clothing processing device from working.

[0161] In some embodiments, the status information of the above-mentioned clothing processing device may also be the working time of the clothing processing device.

[0162] When the status information is the working time of the clothes processing device, the above step 101 specifically includes:

[0163] If the working time reaches a preset time, at least one of the heat exchange medium flow paths and the heat exchange medium circulation flow channel is controlled to be shut off.

[0164] Exemplarily, the preset duration can be set specifically for different drying programs. For example, when the drying program is cotton clothes drying, the working time of the clothes processing device to complete a complete cycle is, for example, 100 minutes, and the preset duration can be set to, for example, 50 minutes. When the time monitoring module of the clothes processing device detects that the working time reaches 50 minutes, the control device can send a control signal to the control structure of the clothes processing device, and the control structure can control at least one of the heat exchange medium flow paths and the heat exchange medium circulation flow channel to be shut off.

[0165] By presetting the time length to control the connection state between the heat exchange medium flow path and the heat exchange medium circulation flow channel, the control program can be simpler and the program response can be faster.

[0166] Other technical features are the same as those of the above embodiments and can bring the same or similar technical effects, which will not be repeated here. Please refer to the description of the above embodiments for details.

[0167] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0168] The above description is only a specific implementation of the embodiments of the present invention, so that those skilled in the art can understand or implement the embodiments of the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the embodiments of the present invention. Therefore, the embodiments of the present invention will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A heat pump heat exchange system for a clothes processing device, characterized in that: The invention comprises a first heat exchanger, a second heat exchanger and a control structure; the first heat exchanger and the second heat exchanger are connected through a heat exchange medium circulation channel; At least two heat exchange medium flow paths are formed on the first heat exchanger, and the control structure is used to control the connection state between each of the heat exchange medium flow paths and the heat exchange medium circulation channel.

2. The heat pump heat exchange system of the clothes processing equipment according to claim 1, characterized in that: The control structure is arranged on the heat exchange medium circulation flow channel.

3. The heat pump heat exchange system of the clothes processing equipment according to claim 2, characterized in that: The control structure includes an adjusting member, which has a first end and a second end that can be connected to each other, the first end is connected to the heat exchange medium circulation channel, the number of the second ends is the same as the number of the heat exchange medium flow paths and the second ends are connected in a one-to-one correspondence, and the connection state between the first end and the second end is adjustable to control the connection state between each heat exchange medium flow path and the heat exchange medium circulation channel.

4. The heat pump heat exchange system of the clothes processing equipment according to claim 3, characterized in that: The control structure also includes at least two throttle members; Each of the second ends is connected to the corresponding heat exchange medium flow path via a throttling member.

5. The heat pump heat exchange system of the clothes processing equipment according to claim 4, characterized in that: The throttling member includes a capillary tube, one end of the capillary tube is communicated with the corresponding second end, and the other end of the capillary tube is communicated with the corresponding heat exchange medium flow path.

6. The heat pump heat exchange system of the clothes processing equipment according to claim 5, characterized in that: Among all the capillaries, the length of one of the capillaries is greater than the length of another of the capillaries; And / or, the diameter of one of the capillaries is larger than the diameter of another of the capillaries.

7. The heat pump heat exchange system of the clothes processing equipment according to claim 4, characterized in that: The throttling element includes an electronic expansion valve.

8. The heat pump heat exchange system of the clothes processing equipment according to any one of claims 1 to 7, characterized in that: Among all the heat exchange medium flow paths, one heat exchange medium flow path has an overlapping path section with another heat exchange medium flow path.

9. The heat pump heat exchange system of the clothes processing equipment according to claim 8, characterized in that: The first heat exchanger has a heat exchange medium inlet and a heat exchange medium outlet, and the number of the heat exchange medium inlets is at least two, so as to form at least two heat exchange medium flow paths on the first heat exchanger; The first heat exchanger comprises a heat exchange tube, one end of the heat exchange tube is formed as one of the heat exchange medium inlets, and the other end of the heat exchange tube is formed as the heat exchange medium outlet; Among the remaining heat exchange medium inlets, at least one heat exchange medium inlet is arranged on the tube wall of the heat exchange tube and is located between one end of the heat exchange tube and the other end of the heat exchange tube.

10. The heat pump heat exchange system of the clothes processing equipment according to claim 9, characterized in that: The first heat exchanger further includes a heat exchanger body, the heat exchange tube includes at least two heat exchange tube sections, each of the heat exchange tube sections is respectively penetrated through the heat exchanger body, and at least two of the heat exchange tube sections are arranged at intervals on the heat exchanger body; At least one end of two adjacent heat exchange pipe sections is connected by a connecting pipe, the connecting pipe is exposed outside the heat exchanger body, and the at least one heat exchange medium inlet is arranged on the connecting pipe.

11. The heat pump heat exchange system of the clothes processing equipment according to any one of claims 1 to 7, characterized in that: The first heat exchanger has a heat exchange medium inlet and a heat exchange medium outlet. The number of the heat exchange medium inlets is at least two, so as to form at least two heat exchange medium flow paths on the first heat exchanger.

12. The heat pump heat exchange system of the clothes processing equipment according to claim 11, characterized in that: All the heat exchange medium inlets are located on the same side of the first heat exchanger.

13. The heat pump heat exchange system of the clothes processing equipment according to claim 11, characterized in that: At least one of the heat exchange medium inlets is provided with a joint pipe; The joint pipe has a first open end and a second open end that are interconnected, the first open end is connected to the heat exchange medium circulation channel, the second open end is connected to the heat exchange medium inlet, and the control structure is arranged between the first open end and the heat exchange medium circulation channel; The diameter of the first opening end is smaller than the diameter of the second opening end.

14. The heat pump heat exchange system of the clothes processing equipment according to claim 13, characterized in that: The joint pipe comprises a first pipe section and a second pipe section, one end of the first pipe section forms the first open end, the second pipe section is connected to the other end of the first pipe section, one end of the second pipe section away from the first pipe section forms the second open end, and the inner diameter of the first pipe section is smaller than the inner diameter of the second pipe section; And / or, the second opening end is plugged into and interference-fitted with the heat exchange medium inlet.

15. The heat pump heat exchange system of the clothes processing equipment according to any one of claims 1 to 7, characterized in that: The first heat exchanger is an evaporator, and the second heat exchanger is a condenser.

16. A clothes processing device, characterized in that: It comprises a box body, a clothes processing drum and a heat pump heat exchange system as claimed in any one of claims 1 to 15; The laundry treatment drum and the heat pump heat exchange system are both arranged in the box body, a heat exchange channel is provided between the box body and the laundry treatment drum, the heat exchange channel is communicated with the inner cavity of the laundry treatment drum, and the first heat exchanger and the second heat exchanger are arranged in the heat exchange channel.

17. The clothes treating device according to claim 16, characterized in that: The laundry processing device also includes a sensor and a control device; The control structure and the sensor are electrically connected to the control device respectively, the sensor is used to detect the temperature and / or humidity in the heat exchange channel, and the control device is used to control the control structure according to the temperature and / or humidity detected by the sensor to control the connection state between each heat exchange medium flow path and the heat exchange medium circulation flow channel.

18. A method for controlling a clothes processing device according to claim 16 or 17, characterized in that: The method comprises: Obtaining status information of clothing processing equipment; The communication state between each of the heat exchange medium flow paths and the heat exchange medium circulation flow channel is controlled according to the state information.

19. The control method of the clothes processing device according to claim 18, characterized in that: The state information includes a temperature value and / or a humidity value; The obtaining of status information of the laundry processing device comprises: Acquire a first temperature value and / or a first humidity value in the heat exchange channel at a first moment; If the first temperature value exceeds a preset temperature threshold, and / or if the first humidity value is lower than a preset humidity threshold, at least one of the heat exchange medium flow paths and the heat exchange medium circulation channel is controlled to be disconnected.

20. The control method of the clothes processing device according to claim 19, characterized in that: If the first temperature value exceeds a preset temperature threshold, and / or if the first humidity value is lower than a preset humidity threshold, after controlling at least one of the heat exchange medium flow paths and the heat exchange medium circulation flow channel to be disconnected, the method further includes: Acquire a second humidity value in the heat exchange channel at a second moment; If the second humidity value is lower than the target humidity threshold, controlling all the heat exchange medium flow paths to be connected to the heat exchange medium circulation flow channel, and stopping the clothes processing device; The target humidity threshold is less than the preset humidity threshold, and the second moment is any moment after the first moment.

21. The control method of the clothes processing device according to claim 18, characterized in that: The status information includes the working time of the clothes processing device; The obtaining of status information of the laundry processing device comprises: If the working time reaches a preset time, at least one of the heat exchange medium flow paths is controlled to be disconnected from the heat exchange medium circulation channel.

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