Valve assembly for heat exchange piece, heat exchange assembly, battery pack and electric equipment

By setting a reversing assembly in the valve assembly of the battery heat exchanger, the flow direction of the heat exchange medium is controlled, and the problem of inconsistent flow direction in the cooling and heating modes is solved, thereby reducing the temperature difference of the battery pack and increasing the temperature increase rate.

CN119802277APending Publication Date: 2025-04-11CHONGQING FUDI BATTERY RES INST CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202410620303.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

The flow direction of the existing battery heat exchanger in cooling and heating modes is opposite, causing uneven temperature rise in the battery assembly area, increasing the temperature difference and affecting battery performance.

Method used

A valve assembly is designed, by providing a reversing assembly in the reversing flow channel of the main body, the flow direction of the heat exchange medium in the reversing flow channel is controlled so that it is consistent in the cooling and heating modes, ensuring that the medium flows evenly through the heat exchange channel.

Benefits of technology

The flow direction of the heat exchange medium in the heat exchange runner in the cooling and heating mode is achieved, which reduces the temperature difference of the battery pack, increases the heating rate, and shortens the charging time.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119802277A_ABST
    Figure CN119802277A_ABST
Patent Text Reader

Abstract

The valve assembly comprises a main body part, a reversing flow channel, a first opening and a second opening are formed in the main body part, the first opening and the second opening communicate with the reversing flow channel, the first opening is suitable for communicating with an inlet of the heat exchange part, and the second opening is suitable for communicating with an outlet of the heat exchange part; and the reversing assembly is arranged on the main body part, and in the cooling mode and the heating mode, the reversing assembly is suitable for keeping the flow direction of the heat exchange medium passing through the first opening and the second opening in the reversing flow channel. According to the valve assembly, the reversing assembly is arranged in the reversing flow channel of the main body part to control the flow direction of the heat exchange medium in the reversing flow channel, so that the heat exchange medium enters the heat exchange flow channel from the heat exchange piece inlet and flows out of the heat exchange flow channel from the heat exchange piece outlet when passing through the reversing flow channel no matter in a cooling mode or in a heating mode; the flow direction of the heat exchange medium in the heat exchange runner is consistent in the cooling mode and the heating mode, so that the temperature difference of the whole battery pack is reduced, and the heating rate of the battery pack is increased.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of battery technology, and in particular to a valve assembly, a heat exchange assembly, a battery pack and electrical equipment. Background Art

[0002] In the related art, in the battery heat exchanger of cooling and heating thermal management, the flow direction of the heat exchange medium is opposite in the cooling and heating modes, and the target positions for priority cooling or heating of the battery in the two modes are the same, which will cause one area of ​​the battery assembly to heat up slowly and the other area to heat up quickly in the two modes, ultimately widening the temperature difference of the entire battery assembly, thereby affecting the performance of the battery assembly. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to propose a valve assembly for a heat exchanger. The valve assembly according to the present invention arranges a reversing assembly in the reversing flow channel of the main body to control the flow direction of the heat exchange medium in the reversing flow channel, so that no matter in cooling mode or heating mode, the heat exchange medium enters the heat exchange flow channel from the heat exchanger inlet when passing through the reversing flow channel, and flows out of the heat exchange flow channel from the heat exchanger outlet, thereby achieving the consistency of the flow direction of the heat exchange medium in the heat exchange flow channel in the cooling mode and the heating mode, thereby reducing the temperature difference of the entire battery pack and increasing the heating rate of the battery pack.

[0004] The present invention also provides a heat exchange component having the valve component.

[0005] The present invention also provides a battery pack having the above heat exchange assembly.

[0006] The present invention also provides an electrical device having the battery pack.

[0007] According to the valve assembly for a heat exchanger of the present invention, the heat exchanger is formed with a heat exchange flow channel and a heat exchanger inlet and a heat exchanger outlet connected to the heat exchange flow channel; the valve assembly comprises: a main body, a reversing flow channel and a first port and a second port respectively connected to the reversing flow channel are formed in the main body, the first port is suitable for connecting with the heat exchanger inlet, and the second port is suitable for connecting with the heat exchanger outlet; a reversing assembly, the reversing assembly is arranged in the main body, and in cooling mode and heating mode, the reversing assembly is suitable for maintaining the flow direction of the heat exchange medium in the reversing flow channel through the first port and the second port.

[0008] According to the valve assembly of the present invention, a reversing flow channel is formed in the main body, and the reversing flow channel is respectively connected with the inlet and outlet of the heat exchanger. The heat exchange medium flows into or out of the heat exchanger through the reversing channel. A reversing assembly is also provided in the main body, and the reversing assembly can extend into or out of the reversing flow channel to change the flow direction of the heat exchange medium in the reversing flow channel, so that no matter in the cooling mode or the heating mode, the heat exchange medium enters the heat exchange flow channel from the inlet of the heat exchanger after conversion through the reversing flow channel, and flows out of the heat exchange flow channel from the outlet of the heat exchanger body, thereby achieving the same flow direction of the heat exchange medium in the heat exchange channel in the cooling mode and the heating mode, so that in the heating mode, the outer battery cells can be heated first, and then the inner battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0009] According to an embodiment of the present invention, a first reversing channel connected to the first port and a second reversing channel connected to the second port are respectively disposed in the main body, and the first reversing channel and the second reversing channel are selectively connected to each other.

[0010] According to one embodiment of the present invention, the main body is provided with a third reversing channel and a fourth reversing channel, the third reversing channel connects the first reversing channel with the second reversing channel, and the fourth reversing channel connects the first reversing channel with the second reversing channel; wherein in one of the cooling mode and the heating mode, the reversing component is suitable for controlling the third reversing channel and the fourth reversing channel to be disconnected respectively, so that the heat exchange medium enters the heat exchange element inlet through the first reversing channel and the first port, and the heat exchange medium flowing out of the heat exchange element outlet is discharged through the second port and the second reversing channel; in the other of the cooling mode and the heating mode, the reversing component is suitable for controlling the third reversing channel and the fourth reversing channel to be connected respectively, so that the heat exchange medium enters the first reversing channel through the second reversing channel and the third reversing channel and enters the heat exchange element inlet through the first port; the heat exchange medium flowing out of the heat exchange element outlet is discharged through the second port, the second reversing channel, the fourth reversing channel and the first reversing channel.

[0011] According to one embodiment of the present invention, the reversing component is configured as a control valve, and the control valve is suitable for controlling the opening or closing of any one of the first reversing channel, the second reversing channel, the third reversing channel and the fourth reversing channel.

[0012] According to an embodiment of the present invention, a third port communicating with the first reversing channel and a fourth port communicating with the second reversing channel are formed on the main body.

[0013] According to one embodiment of the present invention, the main body portion includes: a main body portion, which is connected to the heat exchanger body, the first reversing channel and the second reversing channel formed in the main body portion, and the first port and the second port respectively connected to the main body portion are formed on the main body portion; an extension portion, which is arranged on the main body portion, and a third port connected to the first reversing channel and a fourth port connected to the second reversing channel are respectively formed on the side of the extension portion away from the main body portion.

[0014] According to one embodiment of the present invention, the third port and the fourth port are respectively connected to the heat exchange medium source or to an air conditioning heat exchange system.

[0015] According to an embodiment of the present invention, the main body extends in a first direction, and the first reversing channel and the second reversing channel extend along the first direction respectively and are arranged parallel to each other.

[0016] According to one embodiment of the present invention, the third reversing channel includes: a first extension section, the first extension section extends along the second direction and is connected to the second reversing channel; a second extension section, the second extension section extends along the first direction and one end of the second extension section is connected to the first extension section; a third extension section, one end of the third extension section is connected to the other end of the second extension section, the other end of the third extension section is connected to the first port, and the third extension section extends along the second direction.

[0017] According to one embodiment of the present invention, the fourth reversing channel includes: a fourth extension section, which is close to the top of the main body and extends along the second direction, and the fourth extension section is connected to the second port; a fifth extension section, which extends along the first direction and one end of the fifth extension section is connected to the fourth extension section, and the other end of the fifth extension section is connected to the first reversing channel.

[0018] According to one embodiment of the present invention, the control valve includes: a first valve, which is movably arranged on the main body and is suitable for extending into or out of the first reversing channel to control the closing or conduction of the first reversing channel; a second valve, which is movably arranged on the main body and is suitable for extending into or out of the second reversing channel to control the closing or conduction of the second reversing channel; a third valve, which is movably arranged on the main body and is suitable for extending into or out of the third reversing channel to control the closing or conduction of the third reversing channel; and a fourth valve, which is movably arranged on the main body and is suitable for extending into or out of the fourth reversing channel to control the closing or conduction of the fourth reversing channel.

[0019] According to one embodiment of the present invention, in one of the cooling mode and the heating mode, the first valve and the second valve are in an open state, and the third valve and the fourth valve are in a closed state; in the other of the cooling mode and the heating mode, the first valve and the second valve are in a closed state, and the third valve and the fourth valve are in an open state.

[0020] According to one embodiment of the present invention, the main body portion includes: a first split portion, the first split portion extends along the first direction, and at least a portion of the first reversing channel and the fifth extension section are arranged in the first split portion; a second split portion, the second split portion extends along the first direction and is arranged opposite to the first split portion, and at least a portion of the second reversing channel is arranged in the second split portion; a third split portion, the third split portion is arranged between the first split portion and the second split portion and extends along the second direction, and the third reversing channel and the fourth extension section are arranged in the third split portion, wherein the bottom wall of the third split portion and the side walls of the first split portion and the second split portion arranged opposite to each other together form a receiving groove, and the third valve is accommodated in the receiving groove.

[0021] The heat exchange assembly according to the present invention is briefly described below.

[0022] The heat exchange component according to the present invention is provided with the valve assembly described in any one of the above embodiments. Since the heat exchange component according to the present invention is provided with the valve assembly described in any one of the above embodiments, the heat exchange component also includes a heat exchange component body, and the valve assembly is arranged on the heat exchange component body. Therefore, the heat exchange component controls the flow direction of the heat exchange medium through the valve assembly, so that the flow direction of the heat exchange medium in the heat exchange channel is consistent in the cooling mode and the heating mode, so that the temperature difference between the periphery and the inner periphery of the heat exchange component in the heating mode and the cooling mode is small, thereby improving the heat dissipation or heating effect of the heat exchange component.

[0023] According to one embodiment of the present invention, the heat exchange assembly further includes a switching block, which is disposed between the valve assembly and the heat exchange element body and is suitable for connecting the first reversing channel with the heat exchange channel and the second reversing channel with the heat exchange channel.

[0024] The battery pack according to the present invention is briefly described below.

[0025] The battery pack according to the present invention is provided with the heat exchange component described in any one of the above embodiments. Since the battery pack according to the present invention is provided with the heat exchange component described in any one of the above embodiments, a battery assembly is also provided in the battery pack, and the battery assembly is provided corresponding to the heat exchange component and exchanges heat with the heat exchange flow channel. Since the heat exchange component provided in the battery pack has the same flow direction of the heat exchange medium in the heat exchange flow channel in the cooling mode and the heating mode, the outer battery cells can be heated first and then the inner battery cells in the heating mode. Therefore, the temperatures of the multiple battery assemblies on the heat exchange assembly are relatively uniform, and the temperature difference between the multiple battery assemblies does not exceed a specific value, which reduces the temperature difference of the entire battery pack, increases the heating rate of the battery pack, and shortens the charging time of the battery pack.

[0026] The electrical equipment according to the present invention is briefly described below.

[0027] The electric device according to the present invention is provided with a battery pack as described in any one of the above embodiments. Since the electric device according to the present invention is provided with a battery pack as described in any one of the above embodiments, the charging time of the electric device according to the present invention is shorter, and the stability and reliability of the electric device during operation are higher.

[0028] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0030] Figure 1 is a schematic structural diagram of a valve assembly according to an embodiment of the present invention;

[0031] Figure 2 is a rear view of a valve assembly according to one embodiment of the present invention;

[0032] Figure 3 is a side view of a valve assembly according to one embodiment of the present invention;

[0033] Figure 4 is a schematic diagram of the internal structure of a battery pack according to an embodiment of the present invention;

[0034] Figure 5 is a top view of a valve assembly according to one embodiment of the present invention;

[0035] Figure 6 is a schematic diagram of the flow direction of the heat exchange medium in the valve assembly in a cooling mode according to an embodiment of the present invention;

[0036] Figure 7is a schematic diagram of the flow direction of the heat exchange medium when it enters the heat exchange element from the valve assembly in a heating mode according to an embodiment of the present invention;

[0037] Figure 8 1 is a flow diagram of a heat exchange medium flowing from a heat exchange element into a valve assembly in a heating mode according to an embodiment of the present invention.

[0038] Reference numerals:

[0039] 100. Valve assembly;

[0040] 11. heat exchanger body; 111. heat exchange flow channel; 121. body part;

[0041] 1211, first split part; 1212, second split part; 1213, third split part; 1210, receiving groove;

[0042] 122, extension portion; 13, adapter block;

[0043] 101, a first reversing channel; 102, a second reversing channel;

[0044] 1031, a first extension section; 1032, a second extension section; 1033, a third extension section;

[0045] 1041, fourth extension section; 1042, fifth extension section;

[0046] 201, first valve; 202, second valve; 203, third valve; 204, fourth valve;

[0047] 301, first bite; 302, second bite; 303, third bite; 304, fourth bite;

[0048] 31. Battery assembly. DETAILED DESCRIPTION

[0049] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0050] In the related art, in the battery heat exchanger of cooling and heating thermal management, the flow direction of the heat exchange medium is opposite in the cooling and heating modes, and the target positions for priority cooling or heating of the battery in the two modes are the same, which will cause one area of ​​the battery assembly to heat up slowly and the other area to heat up quickly in the two modes, ultimately widening the temperature difference of the entire battery assembly, thereby affecting the performance of the battery assembly.

[0051] Reference below Figure 1-Figure 8A valve assembly according to an embodiment of the present invention is described.

[0052] According to the valve assembly 100 for a heat exchanger of the present invention, the heat exchanger is formed with a heat exchange flow channel 111 and a heat exchanger inlet and a heat exchanger outlet connected to the heat exchange flow channel 111; the valve assembly 100 includes: a main body, a reversing flow channel and a first port 301 and a second port 302 respectively connected to the reversing flow channel are formed in the main body, the first port 301 is suitable for connecting with the heat exchanger inlet, and the second port 302 is suitable for connecting with the heat exchanger outlet; a reversing component, the reversing component is arranged in the main body, and in the cooling mode and the heating mode, the reversing component is suitable for maintaining the flow direction of the heat exchange medium in the reversing flow channel through the first port 301 and the second port 302.

[0053] In some specific embodiments, a heat exchanger is provided with a heat exchange channel, a heat exchanger inlet and a heat exchanger outlet, the heat exchanger inlet and the heat exchanger outlet are respectively connected to the heat exchange flow channel 111, and a valve assembly 100 is also provided at the heat exchanger inlet and the heat exchanger outlet, the valve assembly 100 is respectively connected to the heat exchanger inlet, the heat exchanger outlet and the heat exchange medium source, a reversing flow channel is formed in the main body of the valve assembly 100, and a first port 301 and a second port 302 connected to the reversing flow channel are also formed on the main body, the first port 301 is correspondingly arranged to the heat exchanger inlet, and the second port 302 is correspondingly arranged to the heat exchanger outlet, the heat exchange medium flows through the reversing flow channel from the first port 301 into the heat exchange flow channel 111, and heat exchange is completed in the heat exchange flow channel 111. The heat exchange medium flows into the reversing channel from the second port 302. A reversing assembly is also provided in the main body. The reversing assembly can extend into or out of the reversing channel to change the flow direction of the heat exchange medium in the reversing channel, so that no matter in the cooling mode or the heating mode, the heat exchange medium enters the heat exchange channel 111 from the heat exchange component inlet after conversion through the reversing channel, and flows out of the heat exchange channel 111 from the heat exchange component body 11 outlet, thereby achieving the flow direction of the heat exchange medium in the heat exchange channel in the cooling mode and the heating mode. In the heating mode, the peripheral battery cells can be heated first, and then the inner surrounding battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack. That is, in the cooling mode and the heating mode, the reversing assembly is suitable for maintaining the flow direction of the heat exchange medium in the reversing channel through the first port 301 and the second port 302.

[0054] According to the valve assembly 100 of the present invention, a reversing flow channel is formed in the main body, and the reversing flow channel is connected to the inlet and outlet of the heat exchanger respectively. The heat exchange medium flows into or out of the heat exchanger through the reversing channel. A reversing assembly is also provided in the main body, and the reversing assembly can extend into or out of the reversing flow channel to change the flow direction of the heat exchange medium in the reversing flow channel, so that no matter in the cooling mode or the heating mode, the heat exchange medium enters the heat exchange flow channel 111 from the inlet of the heat exchanger after conversion through the reversing flow channel, and flows out of the heat exchange flow channel 111 from the outlet of the heat exchanger body 11, thereby achieving the same flow direction of the heat exchange medium in the heat exchange channel in the cooling mode and the heating mode, so that in the heating mode, the outer battery cells can be heated first, and then the inner battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0055] According to one embodiment of the present invention, a first reversing channel 101 communicating with the first port 301 and a second reversing channel 102 communicating with the second port 302 are respectively disposed in the main body, and the first reversing channel 101 and the second reversing channel 102 can be selectively communicated with each other.

[0056] In some specific embodiments, a first reversing channel 101 and a second reversing channel 102 are provided in the main body, the first reversing channel 101 is connected to the first port 301, and the second reversing channel 102 is connected to the second port 302. The first reversing channel 101 and the second reversing channel 102 can be selectively connected or disconnected with each other. In the cooling mode, the first reversing channel 101 and the second reversing channel 102 are disconnected from each other, that is, the first reversing channel 101 and the second reversing channel 102 are not connected, the heat exchange medium flows from the heat exchange medium source into the first reversing channel 101 through the first port 301 and flows into the heat exchange element inlet, the heat exchange medium in the heat exchange flow channel 111 flows through the heat exchange element outlet from the second port 302 into the second reversing channel 102 and flows out of the main body from the second reversing channel 102, and in the heating mode, the first The reversing channel 101 and the second reversing channel 102 are connected to each other, and the heat exchange medium flows from the heat exchange medium source into the second reversing channel 102, and then flows from the second reversing channel 102 into the first reversing channel 101 and then flows into the heat exchange element inlet through the first port 301. The heat exchange medium in the heat exchange flow channel 111 flows through the heat exchange element outlet and flows from the second port 302 into the second reversing channel 102, and then flows from the second reversing channel 102 into the first reversing channel 101 and flows out of the main body through the first reversing channel 101, thereby achieving the same flow direction of the heat exchange medium in the heat exchange channel in the cooling mode and the heating mode, so that in the heating mode, the outer battery cells can be heated first, and then the inner battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0057] According to one embodiment of the present invention, the main body is provided with a third reversing channel and a fourth reversing channel, the third reversing channel connects the first reversing channel 101 with the second reversing channel 102, and the fourth reversing channel connects the first reversing channel 101 with the second reversing channel 102; wherein in one of the cooling mode and the heating mode, the reversing component is adapted to control the third reversing channel and the fourth reversing channel to be disconnected respectively, so as to allow the heat exchange medium to enter the heat exchange element inlet through the first reversing channel 101 and the first port 301, and to flow out of the heat exchange element outlet. The heat exchange medium discharged is discharged through the second port 302 and the second reversing channel 102; in the other mode of the cooling mode and the heating mode, the reversing component is suitable for controlling the third reversing channel and the fourth reversing channel to be respectively connected, so that the heat exchange medium enters the first reversing channel 101 through the second reversing channel 102 and the third reversing channel and enters the heat exchange element inlet through the first port 301; the heat exchange medium flowing out of the heat exchange element outlet is discharged through the second port 302, the second reversing channel 102, the fourth reversing channel and the first reversing channel 101.

[0058] In some specific embodiments, a third reversing channel and a fourth reversing channel are further provided in the main body, one end of the third reversing channel is connected to the first reversing channel 101, and the other end of the third reversing channel is connected to the second reversing channel 102, so that the first reversing channel 101 and the second reversing channel 102 are connected through the third reversing channel; one end of the fourth reversing channel is connected to the first reversing channel 101, and the other end of the fourth reversing channel is connected to the second reversing channel 102, so that the first reversing channel 101 and the second reversing channel 102 are also connected through the fourth reversing channel, and the reversing component can be arranged in the third reversing channel. When the heat exchange element is in the cooling mode, the third reversing channel and the fourth reversing channel are disconnected respectively under the control of the reversing assembly, that is, the third reversing channel no longer connects the first reversing channel 101 with the second reversing channel 102, the fourth reversing channel no longer connects the first reversing channel 101 with the second reversing channel 102, the first reversing channel 101 and the second reversing channel 102 are not connected, the heat exchange medium flows from the heat exchange medium source into the first reversing channel 101 through the first port 301 and flows into the heat exchange element inlet, the heat exchange medium in the heat exchange flow channel 111 flows through the heat exchange element outlet from the second port 302 and flows into the second reversing channel 102. 02 and flows out of the main body through the second reversing channel 102; when the heat exchange element is in the heating mode, the third reversing channel and the fourth reversing channel are connected respectively under the control of the reversing assembly, that is, the third reversing channel connects the first reversing channel 101 and the second reversing channel 102, the fourth reversing channel connects the first reversing channel 101 and the second reversing channel 102, the first channel and the second channel are connected to each other, the heat exchange medium flows from the heat exchange medium source into the second reversing channel 102, the heat exchange medium flows from the second reversing channel 102 into the third reversing channel, and then flows from the third reversing channel into the first reversing channel 101 and then flows through the first port 301 The heat exchange medium enters the heat exchange component inlet, and the heat exchange medium in the heat exchange flow channel 111 flows into the second reversing channel 102 from the second port 302 through the heat exchange component outlet, and then flows into the fourth reversing channel from the second reversing channel 102. The heat exchange medium flows into the first reversing channel 101 from the fourth reversing channel and flows out of the main body from the first reversing channel 101, thereby achieving the same flow direction of the heat exchange medium in the heat exchange channel in the cooling mode and the heating mode, so that in the heating mode, the outer battery cells can be heated first, and then the inner battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0059] In addition, the present application realizes complex fluid guidance within the limited space in the main body through the first reversing channel 101, the second reversing channel 102, the third reversing channel and the fourth reversing channel, while also taking into account the coordinated work between the various reversing channels, thereby improving space utilization and the guiding efficiency of the heat exchange medium.

[0060] According to one embodiment of the present invention, the third reversing channel and the fourth reversing channel are not connected to each other, that is, the third reversing channel and the fourth reversing channel are independently arranged. The third reversing channel and the third reversing channel are not connected to each other, which ensures that the heat exchange medium can flow through a prescribed path without interfering with each other when the cooling and heating modes are switched, and effectively prevents the heat exchange medium in the third reversing channel and the heat exchange medium in the fourth reversing channel from mixing in different modes, thereby improving the stability and reliability of the heat exchange medium when converting in the reversing flow channel, and improving the control flexibility of the valve assembly 100.

[0061] According to one embodiment of the present invention, the reversing component is configured as a control valve, which is suitable for controlling the opening or closing of any one of the first reversing channel 101 , the second reversing channel 102 , the third reversing channel and the fourth reversing channel.

[0062] In some specific embodiments, the reversing assembly can be constructed as a control valve, which can be arranged in the first reversing channel 101, the second reversing channel 102, the third reversing channel and the fourth reversing channel. The control valve can act independently or cooperatively on the first reversing channel 101 to the fourth reversing channel to control the conduction or closing of any channel in the first reversing channel 101 to the fourth reversing channel, so as to change the flow direction of the heat exchange medium in the first reversing channel 101, the second reversing channel 102, the third reversing channel and the fourth reversing channel, so that no matter in Whether in cooling mode or heating mode, the heat exchange medium passes through the first reversing channel 101 to the fourth reversing channel, enters the heat exchange channel 111 from the heat exchange component inlet, and flows out of the heat exchange channel 111 from the heat exchange component body 11 outlet, thereby achieving the same flow direction of the heat exchange medium in the heat exchange channel in cooling mode and heating mode, so that in the heating mode, the outer battery cells can be heated first, and then the inner battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0063] According to one embodiment of the present invention, a third port 303 communicating with the first reversing channel 101 and a fourth port 304 communicating with the second reversing channel 102 are formed on the main body.

[0064] In some specific embodiments, a third port 303 and a fourth port 304 are further formed on the main body, and the third port 303 and the fourth port 304 are not directly connected to the third reversing channel and the fourth reversing channel. The third port 303 is connected to the first reversing channel 101, and the third port 303 can connect the heat exchange medium source with the first reversing channel 101. In the cooling mode, the heat exchange medium flows from the third port 303 into the first reversing channel 101 and flows into the heat exchange element inlet through the first port 301. The heat exchange medium in the heat exchange flow channel 111 flows through the heat exchange element outlet from the second port 302 into the second reversing channel 102 and Flows out of the main body from the third port 303; in the heating mode, the heat exchange medium flows into the second reversing channel 102 from the fourth port 304, the heat exchange medium flows into the third reversing channel from the second reversing channel 102, and then flows into the first reversing channel 101 from the third reversing channel, and then flows into the heat exchange element inlet through the first port 301, the heat exchange medium in the heat exchange flow channel 111 flows into the second reversing channel 102 from the second port 302 through the heat exchange element outlet, and then flows into the fourth reversing channel from the second reversing channel 102, the heat exchange medium flows into the first reversing channel 101 from the fourth reversing channel and flows out of the main body from the third port 303.

[0065] According to one embodiment of the present invention, the main body includes: a main body 121 and an extension 122, the main body 121 is connected to the heat exchanger body 11, a first reversing channel 101 and a second reversing channel 102 are formed in the main body 121, and a first port 301 and a second port 302 are formed on the top of the main body 121, respectively, the first port 301 is connected to the heat exchanger inlet, and the second port 302 is connected to the heat exchanger outlet; the extension 122 is arranged on the side of the main body 121 away from the heat exchanger, and the height of the extension 122 in the first direction is less than the height of the main body 121 in the first direction. This design method allows a certain avoidance space to be formed on the valve assembly 100, which is convenient for the assembly of other parts on the heat exchanger. A third port 303 and a fourth port 304 are respectively formed on the side of the extension 122 away from the main body 121, and the third port 303 and the fourth port 304 penetrate the extension 122 in the thickness direction of the extension 122. The third port 303 and the fourth port 304 pass through the extension 122 in the thickness direction of the extension 122. The first reversing channel 101 is connected, and the fourth port 304 is connected with the second reversing channel 102. In the cooling mode, the heat exchange medium flows into the first reversing channel 101 from the third port 303, flows into the heat exchange element inlet through the first port 301, and the heat exchange medium in the heat exchange channel 111 flows into the second reversing channel 102 from the second port 302 through the heat exchange element outlet and flows out of the main body through the third port 303; in the heating mode, the heat exchange medium flows into the second reversing channel 102 from the fourth port 304, flows into the third reversing channel from the second reversing channel 102, and then flows into the first reversing channel 101 from the third reversing channel, and then flows into the heat exchange element inlet through the first port 301. The heat exchange medium in the heat exchange channel 111 flows into the second reversing channel 102 from the second port 302 through the heat exchange element outlet, and then flows into the fourth reversing channel from the second reversing channel 102. The heat exchange medium flows into the first reversing channel 101 from the fourth reversing channel and flows out of the main body through the third port 303.

[0066] According to one embodiment of the present invention, the third port 303 and the fourth port 304 are respectively connected to the heat exchange medium source or to the air conditioning heat exchange system. The third port 303 can connect the heat exchange medium source or the air conditioning heat exchange system with the first reversing channel 101, and the fourth port 304 can connect the heat exchange medium source or the air conditioning heat exchange system with the second reversing channel 102. That is, the direction of the heat exchange medium entering the valve assembly 100 is not limited, which is convenient for adjusting the flow rate and flow direction of the heat exchange medium according to actual needs to adapt to different working modes of the air conditioning system.

[0067] According to one embodiment of the present invention, the main body 121 extends in a first direction, the first reversing channel 101 and the second reversing channel 102 extend respectively along the first direction and are arranged parallel to each other. In certain scenarios with limited space, the design of the first reversing flow channel and the second reversing flow channel extending along the first direction can more effectively utilize the vertical space, reduce the occupation of horizontal space, and improve the compactness and integration of the valve assembly 100. The first port 301 can be arranged opposite to the inlet of the heat exchanger, and the second port 302 can be arranged opposite to the outlet of the heat exchanger, which reduces the difficulty of assembling and docking the main body 121 with the heat exchanger and improves the assembly efficiency of the valve assembly 100 and the heat exchanger. The design that the first reversing channel 101 and the second reversing channel 102 are constructed as parallel channels and extend respectively in the same direction is relatively simple, and the first reversing channel 101 and the second reversing channel 102 are easy to maintain and clean, thereby improving the reliability and service life of the valve assembly 100.

[0068] According to one embodiment of the present invention, the third reversing channel includes: a first extension section 1031, a second extension section 1032 and a third extension section 1033, the first extension section 1031 extends along the second direction and is connected to the second reversing channel 102; the second extension section 1032 extends along the first direction and one end of the second extension section 1032 is connected to the first extension section 1031; one end of the third extension section 1033 is connected to the other end of the second extension section 1032, the other end of the third extension section 1033 is connected to the first port 301, and the third extension section 1033 extends along the second direction.

[0069] In some specific embodiments, the third reversing channel is composed of a first extension section 1031, a second extension section 1032 and a third extension section 1033, wherein the first extension section 1031 extends in the second direction, the second extension section 1032 extends along the first direction, and the third extension section 1033 extends along the second direction, the second direction is perpendicular to the first direction, one end of the first extension section 1031 is connected to the second reversing channel 102, the other end of the first extension section 1031 is connected to one end of the second extension section 1032, and the second extension section 1032 is connected to the The other end is connected to one end of the third extension section 1033, and the other end of the third extension section 1033 is connected to the first port 301, thereby realizing the connection between the second reversing channel 102 and the first port 301. In the heating mode, the heat exchange medium flows into the second reversing channel 102 from the fourth port 304, and the heat exchange medium flows into the first extension section 1031 from the second reversing channel 102. The heat exchange medium is guided from the first extension section 1031 to the second extension section 1032, and then flows into the heat exchange component inlet through the first port 301 from the second extension section 1032.

[0070] According to one embodiment of the present invention, the fourth reversing channel includes: a fourth extension section 1041 and a fifth extension section 1042, the fourth extension section 1041 is close to the top of the main body 121 and extends along the second direction, and the fourth extension section 1041 is connected to the second port 302; the fifth extension section 1042 extends along the first direction and one end of the fifth extension section 1042 is connected to the fourth extension section 1041, and the other end of the fifth extension section 1042 is connected to the first reversing channel 101, and the connection between the first reversing channel 101 and the second port 302 is achieved through the fourth section and the fifth section. In the heating mode, the heat exchange medium in the heat exchange channel 111 flows into the fourth extension section 1041 from the second port 302 through the outlet of the heat exchange member, and then flows into the fifth extension section 1042 from the fourth extension section 1041. The heat exchange medium flows into the first reversing channel 101 from the fifth extension section 1042 and flows out of the main body from the third port 303.

[0071] According to one embodiment of the present invention, the control valve includes: a first valve 201, a second valve 202, a third valve 203 and a fourth valve 204, the first valve 201 is movably arranged on the body 121 and is suitable for extending into or out of the first reversing channel 101 to control the closing or conduction of the first reversing channel 101; the second valve 202 is movably arranged on the body 121 and is suitable for extending into or out of the second reversing channel 102 to control the closing or conduction of the second reversing channel 102; the third valve 203 is movably arranged on the body 121 and is suitable for extending into or out of the third reversing channel to control the closing or conduction of the third reversing channel; the fourth valve 204 is movably arranged on the body 121 and is suitable for extending into or out of the fourth reversing channel to control the closing or conduction of the fourth reversing channel.

[0072] In some specific embodiments, the control valve is composed of a first valve 201, a second valve 202, a third valve 203 and a fourth valve 204. The first valve 201, the second valve 202 and the fourth valve 204 are movably arranged on both sides of the body 121 in the second direction, respectively. The third valve 203 can be movably arranged on a side of the body 121 away from the heat exchange element in the first direction. The first valve 201 can extend into or out of the first reversing channel 101 to control the conduction or closing of the first channel and the first port 301. The second valve 202 The third valve 203 can be extended into or out of the third reversing channel to control the conduction or closing of the third reversing channel, thereby realizing the control of the connection or non-connection between the first reversing channel 101 and the second reversing channel 102. The fourth valve 204 can be extended into or out of the fourth reversing channel to control the conduction or closing of the fourth reversing channel, thereby realizing the control of the connection or non-connection between the second port 302 and the first reversing channel 101.

[0073] According to one embodiment of the present invention, in one of the cooling mode and the heating mode, the first valve 201 and the second valve 202 are in an open state, and the third valve 203 and the fourth valve 204 are in a closed state; in the other of the cooling mode and the heating mode, the first valve 201 and the second valve 202 are in a closed state, and the third valve 203 and the fourth valve 204 are in an open state.

[0074] In some specific embodiments, in the cooling mode, the first valve 201 and the second valve 202 are in an open state, the third valve 203 and the fourth valve 204 are in a closed state, the first reversing channel 101 is connected to the first port 301 and the third port 303 respectively, the second reversing channel 102 and the second port 302 and the fourth port 304 are connected respectively, the first reversing channel 101 and the second reversing channel 102 are not connected to each other, the heat exchange medium flows into the first reversing channel 101 from the third port 303 and flows into the heat exchange element inlet through the first port 301, the heat exchange medium in the heat exchange flow channel 111 flows into the second reversing channel 102 from the second port 302 through the heat exchange element outlet and flows out of the main body from the third port 303; in the heating mode, the first valve 201 and the second valve 202 are in a closed state, the third valve 203 and the fourth valve 204 are in an open state, the first reversing channel 101 is not connected to the first port 301, the second reversing channel 102 is not connected to the second port 302, the third reversing channel connects the fourth port 304 to the heat exchange element outlet. 304, the second reversing channel 102 is connected with the first port 301, and the fourth reversing channel connects the second port 302 with the first reversing channel 101. The heat exchange medium flows into the second reversing channel 102 from the fourth port 304, flows into the third reversing channel from the second reversing channel 102, and then flows into the first reversing channel 101 through the third reversing channel, and then flows into the heat exchange element inlet through the first port 301. The heat exchange medium in the heat exchange flow channel 111 flows into the second reversing channel 102 from the second port 302 through the heat exchange element outlet, and then flows into the fourth reversing channel from the second reversing channel 102. The heat exchange medium flows into the first reversing channel 101 from the fourth reversing channel and flows out of the main body from the third port 303, thereby achieving the same flow direction of the heat exchange medium in the heat exchange channel in the cooling mode and the heating mode, so that in the heating mode, the outer battery cells can be heated first, and then the inner battery cells can be heated, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0075] According to one embodiment of the present invention, the main body 121 includes: a first split portion 1211, a second split portion 1212 and a third split portion 1213, the first split portion 1211 extends along the first direction, and at least a portion of the first reversing channel 101 and the fifth extension section 1042 are disposed in the first split portion 1211; the second split portion 1212 extends along the first direction and is disposed opposite to the first split portion 1211, and at least a portion of the second reversing channel 101 and the fifth extension section 1042 are disposed in the second split portion 1212. The reversing channel 102; the third split portion 1213 is arranged between the first split portion 1211 and the second split portion 1212 and extends along the second direction, and the third split portion 1213 is provided with a third reversing channel and a fourth extension section 1041, wherein the bottom wall of the third split portion 1213 and the side walls of the first split portion 1211 and the second split portion 1212 which are arranged opposite to each other together form a receiving groove 1210, and the third valve 203 is received in the receiving groove 1210.

[0076] In some specific embodiments, the main body 121 is composed of a first split portion 1211, a second split portion 1212 and a third split portion 1213. The first split portion 1211 and the second split portion 1212 extend in a first direction and are arranged parallel to each other. The third split portion 1213 is arranged between the first split portion 1211 and the second split portion 1212 and extends in a second direction. The first split portion 1211 contains at least a portion of the first reversing channel 101 and the fifth extension segment 1042, the second split portion 1212 contains at least a portion of the second reversing channel, and the third split portion 1213 is provided with a third reversing flow channel and a fourth extension segment 1041. Through the first split portion 1211, the second split portion 1212 and the third split portion 1213, The design of the split portion 1213 realizes the connection between the third reversing channel and the first reversing channel 101 and the second reversing channel 102 respectively. The bottom wall of the third split portion 1213 and the side walls of the second split portion 1212 and the first split portion 1211 facing each other together define a receiving groove 1210. At least part of the third valve 203 is received in the receiving groove 1210. The receiving groove 1210 can provide certain physical protection for the third valve 203 to avoid external impact or damage from foreign objects, thereby extending the service life of the third valve 203 and ensuring stable operation of the system. At the same time, accommodating part of the third valve 203 in the receiving groove 1210 can effectively utilize space and reduce the volume of the entire valve assembly 100 or the heat exchange assembly.

[0077] The heat exchange assembly according to the present invention is briefly described below.

[0078] The heat exchange component according to the present invention is provided with the valve assembly 100 described in any one of the above embodiments. Since the heat exchange component according to the present invention is provided with the valve assembly 100 described in any one of the above embodiments, the heat exchange component also includes a heat exchange component body 11, and the valve assembly 100 is arranged on the heat exchange component body 11. Therefore, the heat exchange component controls the flow direction of the heat exchange medium through the valve assembly 100, so that the flow direction of the heat exchange medium in the heat exchange channel 111 is consistent in the cooling mode and the heating mode, so that the temperature difference between the periphery and the inner periphery of the heat exchange component in the heating mode and the cooling mode is small, thereby improving the heat dissipation or heating effect of the heat exchange component.

[0079] According to one embodiment of the present invention, the heat exchange assembly further includes a switching block 13 , which is disposed between the valve assembly 100 and the heat exchange element body 11 and is suitable for connecting the first reversing channel 101 with the heat exchange channel 111 and the second reversing channel 102 with the heat exchange channel 111 .

[0080] In some specific embodiments, a transfer block 13 is further provided in the heat exchange assembly. The transfer block 13 is provided between the main body of the valve assembly 100 and the heat exchanger body 11. The transfer block 13 can connect the first reversing channel 101 with the heat exchange channel 111. The transfer block 13 can also connect the second reversing channel 102 with the heat exchange channel 111. The transfer block 13 ensures a smooth connection between the heat exchange channel 111 and the first reversing channel 101 and the second reversing channel 102, thereby improving the smoothness of the heat exchange medium when it flows from the valve assembly 100 into the heat exchange channel 111. The transfer block 13 can also enhance the sealing of the entire heat exchange assembly, reduce the risk of heat exchange medium leakage, and improve the reliability and stability of the operation of the heat exchange assembly.

[0081] In addition, in heat exchange components of different models, the provision of the adapter block 13 helps to achieve standardization and modularization of the heat exchange components, so that different models of heat exchange body 11 and valve assembly 100 can be matched with each other through the standardized adapter block 13, thereby improving the versatility and interchangeability of the product.

[0082] The battery pack according to the present invention is briefly described below.

[0083] The battery pack according to the present invention is provided with a heat exchange assembly as described in any one of the above embodiments. Since the battery pack according to the present invention is provided with a heat exchange assembly as described in any one of the above embodiments, the heat exchange assembly is arranged corresponding to the battery assembly to exchange heat with the battery assembly through a heat exchange channel.

[0084] Furthermore, a plurality of battery assemblies 31 are provided in the battery pack. The plurality of battery assemblies 31 are arranged in sequence on the heat exchange assembly and exchange heat with the heat exchange channel 111. Since the heat exchange assembly provided in the battery pack has the same flow direction of the heat exchange medium in the heat exchange channel 111 in the cooling mode and the heating mode, the outer battery cells can be heated first and then the inner battery cells in the heating mode. Therefore, the temperatures of the plurality of battery assemblies 31 on the heat exchange assembly are relatively uniform, and the temperature difference between the plurality of battery assemblies 31 does not exceed a specific value, thereby reducing the temperature difference of the entire battery pack, increasing the heating rate of the battery pack, and shortening the charging time of the battery pack.

[0085] Furthermore, in one embodiment of the present application, the battery assembly has a first heat exchange zone and a second heat exchange zone, wherein, when the battery assembly is charged and discharged, the temperature of the first heat exchange zone is higher than the temperature of the second heat exchange zone, and the heat exchange medium in the heat exchange channel in the heat exchange element first enters the heat exchange channel corresponding to the first heat exchange zone from the inlet, then enters the heat exchange channel corresponding to the second heat exchange zone, and then passes through the heat exchange channel corresponding to the first heat exchange zone, and finally enters the second port through the outlet, so as to improve the heat exchange effect of the heat exchange element on the battery assembly.

[0086] The electrical equipment according to the present invention is briefly described below.

[0087] The electric device according to the present invention is provided with a battery pack as described in any one of the above embodiments. Since the electric device according to the present invention is provided with a battery pack as described in any one of the above embodiments, the charging time of the electric device according to the present invention is shorter, and the stability and reliability of the electric device during operation are higher.

[0088] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0089] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0090] In the description of the present invention, "plurality" means two or more.

[0091] In the description of the present invention, a first feature being “on” or “under” a second feature may include that the first and second features are directly in contact with each other, or may include that the first and second features are not in direct contact with each other but are in contact with each other via another feature therebetween.

[0092] In the description of the present invention, “on”, “over” and “above” a first feature from a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0093] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0094] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A valve assembly (100) for a heat exchanger, wherein the heat exchanger is formed with a heat exchange channel (111) and a heat exchanger inlet and a heat exchanger outlet communicated with the heat exchange channel (111); characterized in that: The valve assembly comprises: A main body, wherein a reversing flow channel and a first port and a second port respectively connected to the reversing flow channel are formed in the main body, wherein the first port is suitable for communicating with the inlet of the heat exchange element, and the second port is suitable for communicating with the outlet of the heat exchange element; A reversing component is arranged on the main body. In cooling mode and heating mode, the reversing component is suitable for maintaining the flow direction of the heat exchange medium in the reversing flow channel through the first port and the second port.

2. The valve assembly (100) for a heat exchange element according to claim 1, characterized in that: A first reversing channel (101) and a second reversing channel (102) are respectively connected to the first port and the second port, and the first reversing channel (101) and the second reversing channel (102) are selectively connected to each other.

3. The valve assembly (100) for a heat exchange element according to claim 2, characterized in that: The main body is provided with a third reversing channel and a fourth reversing channel, the third reversing channel connects the first reversing channel (101) with the second reversing channel (102), and the fourth reversing channel connects the first reversing channel (101) with the second reversing channel (102); in In one of the cooling mode and the heating mode, the reversing assembly is adapted to control the third reversing channel and the fourth reversing channel to be disconnected respectively, so that the heat exchange medium enters the heat exchange element inlet through the first reversing channel (101) and the first port, and the heat exchange medium flowing out of the heat exchange element outlet is discharged through the second port and the second reversing channel (102); In the other of the cooling mode and the heating mode, the reversing assembly is suitable for controlling the third reversing channel and the fourth reversing channel to be respectively open, so that the heat exchange medium enters the first reversing channel (101) through the second reversing channel (102) and the third reversing channel and enters the heat exchange element inlet through the first port; the heat exchange medium flowing out of the heat exchange element outlet is discharged through the second port, the second reversing channel (102), the fourth reversing channel and the first reversing channel (101).

4. The valve assembly (100) for a heat exchange element according to claim 3, characterized in that: The third reversing channel and the fourth reversing channel are not connected to each other.

5. The valve assembly (100) for a heat exchange element according to claim 3, characterized in that: The reversing component is configured as a control valve, which is suitable for controlling the opening or closing of any one of the first reversing channel (101), the second reversing channel, the third reversing channel and the fourth reversing channel.

6. The valve assembly (100) for a heat exchange element according to claim 3, characterized in that: The main body is formed with a third port communicating with the first reversing channel and a fourth port communicating with the second reversing channel.

7. The valve assembly (100) for a heat exchange element according to claim 6, characterized in that: The main body comprises: a main body (121), the main body (121) being connected to the heat exchange element body (11), the first reversing channel (101) and the second reversing channel (102) being formed in the main body (121), and the first port (301) and the second port (302) being formed on the main body (121); An extension portion (122), the extension portion (122) being arranged on the main body portion (121), and a third port (303) connected to the first reversing channel (101) and a fourth port (304) connected to the second reversing channel (102) being respectively formed on a side of the extension portion (122) facing away from the main body portion (121).

8. The valve assembly (100) for a heat exchange element according to claim 7, characterized in that: The third port (303) and the fourth port (304) are respectively connected to the heat exchange medium source or to the air conditioning heat exchange system.

9. The valve assembly (100) for a heat exchange element according to claim 7, characterized in that: The main body extends in a first direction, and the first reversing channel (101) and the second reversing channel (102) extend along the first direction respectively and are arranged parallel to each other.

10. The valve assembly (100) for a heat exchange element according to claim 9, characterized in that: The third switching channel comprises: a first extension section (1031), the first extension section (1031) extending along a second direction and communicating with the second reversing channel (102); a second extension section (1032), the second extension section (1032) extending along the first direction and one end of the second extension section (1032) being connected to the first extension section (1031); A third extension section (1033), one end of the third extension section (1033) is connected to the other end of the second extension section (1032), the other end of the third extension section (1033) is connected to the first port (301), and the third extension section (1033) extends along the second direction.

11. The valve assembly (100) for a heat exchange element according to claim 10, characterized in that: The fourth switching channel comprises: a fourth extension section (1041), the fourth extension section (1041) being close to the top of the main body (121) and extending along the second direction, the fourth extension section (1041) being in communication with the second port (302); A fifth extension section (1042), the fifth extension section (1042) extends along the first direction and one end of the fifth extension section (1042) is connected to the fourth extension section (1041), and the other end of the fifth extension section (1042) is connected to the first reversing channel (101).

12. The valve assembly (100) for a heat exchange element according to claim 11, characterized in that: The control valve comprises: a first valve (201), the first valve (201) being movably disposed on the body portion (121) and being adapted to extend into or out of the first reversing channel (101) to control the closing or opening of the first reversing channel (101); a second valve (202), the second valve (202) being movably disposed on the body portion (121) and being adapted to extend into or out of the second reversing channel (102) to control the closing or opening of the second reversing channel (102); a third valve (203), the third valve (203) being movably disposed on the body (121) and being adapted to extend into or out of the third reversing channel to control the closing or opening of the third reversing channel; A fourth valve (204), the fourth valve (204) is movably arranged on the main body (121) and is suitable for extending into or out of the fourth reversing channel to control the closing or opening of the fourth reversing channel.

13. The valve assembly (100) for a heat exchange element according to claim 12, characterized in that: In one of the cooling mode and the heating mode, the first valve (201) and the second valve (202) are in an open state, and the third valve (203) and the fourth valve (204) are in a closed state; In the other of the cooling mode and the heating mode, the first valve (201) and the second valve (202) are in a closed state, and the third valve (203) and the fourth valve (204) are in an open state.

14. The valve assembly (100) for a heat exchange element according to claim 13, characterized in that: The main body (121) comprises: a first split portion (1211), the first split portion (1211) extending along the first direction, and at least a portion of the first reversing channel (101) and the fifth extension section (1042) being disposed in the first split portion (1211); a second split portion (1212), the second split portion (1212) extending along the first direction and arranged opposite to the first split portion (1211), and at least a portion of the second reversing channel (102) being arranged in the second split portion (1212); A third split portion (1213), wherein the third split portion (1213) is arranged between the first split portion (1211) and the second split portion (1212) and extends along the second direction, wherein the third reversing channel and the fourth extension section (1041) are arranged in the third split portion (1213), wherein a bottom wall of the third split portion (1213) and side walls of the first split portion (1211) and the second split portion (1212) arranged opposite to each other together form a receiving groove (1210), and the third valve (203) is received in the receiving groove (1210).

15. A heat exchange component, characterized in that: include: Heat exchange element body (11); A valve assembly (100), wherein the valve assembly (100) is constructed as the valve assembly (100) according to any one of claims 1 to 14, and the valve assembly (100) is arranged on the heat exchange element body (11).

16. The heat exchange assembly according to claim 15, characterized in that: Also includes; An adapter block (13), the adapter block (13) is arranged between the valve assembly (100) and the heat exchange element body (11), and is suitable for connecting the first reversing channel (101) with the heat exchange channel (111), and connecting the second reversing channel (102) with the heat exchange channel (111).

17. A battery pack, characterized in that: include: Battery assembly (31); A heat exchange component, wherein the heat exchange component is constructed as the heat exchange component according to claim 11, and the heat exchange component is arranged corresponding to the battery component (31).

18. An electrical equipment, characterized in that: A battery pack comprising the battery pack of claim 17.