Current collecting assembly and preparation process therefor, heat exchange apparatus, battery and electric device

Abstract

The present application applies to the technical field of batteries. Provided are a current collecting assembly and a preparation process therefor, a heat exchange apparatus, a battery and an electric device. The current collecting assembly comprises a current collector and a connector, wherein the current collector is a non-metal part, and the connector is a metal part; the current collector and the connector constitute an integrally formed component; and the current collector is connected to a heat exchanger by means of the connector. The present application aims to reduce the processing difficulty of a heat exchange device, and can appropriately reduce the cost.

Description

Current collecting assembly and preparation process thereof, heat exchange device, battery and electrical equipment

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on January 4, 2024, with application number 202410012732.6 and application name “Current collecting assembly and its preparation process, heat exchange device, battery and electrical equipment”, all contents of which are incorporated by reference into this application. Technical Field

[0002] The present application belongs to the field of battery technology, and in particular relates to a current collecting assembly and its preparation process, a heat exchange device, a battery and electrical equipment. Background Art

[0003] Some equipment or devices need to maintain a suitable operating temperature during operation to maintain stability and continuity of operation, especially batteries. As batteries are used more and more widely, battery temperature control has become a problem that must be solved. Therefore, some heat exchange devices are configured on the batteries to achieve battery temperature control.

[0004] Heat exchange devices usually use heat exchange media to achieve heat transfer, and the transmission of heat exchange media requires the use of some components that can guide or collect flow, so as to supply or return liquid to each structure.

[0005] Typically, components used for current collection are manufactured by cutting or turning metal profiles, which is not only difficult to process but also very costly.

[0006] Summary of the Invention

[0007] In view of the above problems, the present application provides a current collecting assembly and its preparation process, a heat exchange device, a battery and an electrical equipment, aiming to reduce the processing difficulty of the current collecting assembly and appropriately reduce the cost. Technical Solutions

[0008] In the first aspect, the present application provides a current collecting assembly, which includes a current collecting part and a connecting part, wherein the current collecting part is a non-metallic part and the connecting part is a metal part, wherein the current collecting part and the connecting part are integrally formed components, and wherein the current collecting part is connected to the heat exchange part via the connecting part. The current collecting assembly includes a current collecting part and a connecting part, wherein the current collecting part is a non-metallic part and the connecting part is a metal part, wherein the current collecting part and the connecting part can be respectively made by an integral forming process, wherein the connecting part can be combined with the current collecting part during the forming process of the current collecting part, or can be connected with the current collecting part after the forming of the current collecting part, without the need to use turning processing to make the entire current collecting assembly, thereby effectively simplifying the processing technology of the current collecting assembly, improving the production efficiency of the current collecting assembly, and reducing the production cost of the current collecting assembly.

[0009] In some embodiments of the first aspect, the current collecting part is an injection molded component, and the current collecting part wraps at least a portion of the connector to connect the current collecting part to the connector. The current collecting part is prepared in the form of injection molding, while the traditional current collecting assembly is prepared as a whole in the form of metal processing turning. The current collecting assembly of the present application is not only simple and fast in production, reducing the difficulty of processing, but also greatly improves efficiency and reduces costs to a certain extent. Since the connector and the current collecting part form an integrated structure, the connector and the current collecting part adopt the form of integral injection molding, which is very convenient and quick to operate. After the casting of the current collecting part is completed, the connector is also formed on the current collecting part, and this form makes the connection between the connector and the current collecting part better and more stable.

[0010] In some embodiments of the first aspect, the current collecting member is a thermoplastic material member.

[0011] In some embodiments of the first aspect, the thermoplastic material is one or more of ABS, polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, and polyamide. Injection molding using the provided materials can produce a current collecting member that meets the requirements, maintains a certain strength, and reduces costs.

[0012] In some embodiments of the first aspect, a limiting structure is provided between the current collecting member and the connecting member, and the current collecting member is connected to the connecting member via the limiting structure, which ensures a firm connection between the connecting member and the current collecting member.

[0013] In some embodiments of the first aspect, the retaining structure includes a convex portion and a concave portion, the convex portion being provided on one of the connector and the current collecting member, the concave portion being provided on the other of the connector and the current collecting member, and the convex portion being embedded in the concave portion to connect the current collecting member and the connector. The structure in which the convex portion and the concave portion cooperate with each other further strengthens the secure connection between the connector and the current collecting member.

[0014] In some embodiments of the first aspect, the shape of the protrusion is one or more of a hook shape, a barb shape, and a bend shape. The shape of the protrusion can further increase the firmness of the connection.

[0015] In some embodiments of the first aspect, the recess is one or more of a hook-shaped recess, a barb-shaped recess, and a bent-shaped recess. The specific form of the recess also serves to further enhance the firmness of the connection.

[0016] In some embodiments of the first aspect, the connecting member is disposed around the port of the current collecting member close to the heat exchange member. When the connecting member is connected to the heat exchange member, it can be connected to the heat exchange member in the entire circumferential direction, thereby increasing connection stability and reliability.

[0017] In some embodiments of the first aspect, the limiting structures are evenly distributed along the circumference of the connector, so that the connection strength between each part of the connector and the current collecting member is balanced.

[0018] In some embodiments of the first aspect, the material of the connector is the same as that of the heat exchange element, or the material of the connector is one or more of aluminum, an aluminum alloy, iron, steel, or copper. The material of the connector meets welding requirements, and welding provides a more secure connection and a sealed connection. Welding is also easier to operate and more stable than other connection methods, thereby improving processing efficiency.

[0019] In some embodiments of the first aspect, the connecting member and the heat exchange member are welded, which can not only increase the firmness of the connection but also achieve better relative sealing.

[0020] In some embodiments of the first aspect, the current collecting member includes:

[0021] The manifold includes a manifold and a flow delivery section. The manifold is provided with a first flow channel for connecting to the heat exchange channels of the heat exchange elements. The flow delivery section is connected to the manifold and has a second flow channel that communicates with the first flow channel. This provides a liquid supply and return piping system that allows liquid to enter each manifold and each heat exchange element, achieving a comprehensive liquid circulation heat exchange system.

[0022] In some embodiments of the first aspect, the flow delivery portion includes a tube body, the inner cavity of the tube body forming the second flow channel, the flow collecting portion is provided with a perforation, the tube body is inserted into the perforation, and a through-hole is provided in the tube body that communicates with the first flow channel. The tube body is a continuous pipe that is provided on the flow collecting portion through the perforation, resulting in a stable and reliable structure, and effective communication is achieved through the through-hole.

[0023] In some embodiments of the first aspect, the flow delivery portion includes a first connector and a second connector connected to the flow collecting portion, the first connector having a first channel, the second connector having a second channel, the first channel and the second channel communicating with each other to form the second flow channel. The first and second connectors have a simple structure and are easy to manufacture. Furthermore, the provision of the first and second connectors allows for communication between the front and rear flow collecting members through the docking of the connectors, thereby facilitating the connection of multiple second channels to form a main flow path.

[0024] In some embodiments of the first aspect, the first connector and the second connector are connected to opposite sides of the manifold, thereby forming a second channel, which is simpler and more convenient to set up.

[0025] In some embodiments of the first aspect, the flow collecting portion includes a main body and a partition, the main body having the first flow channel, the partition being disposed within the first flow channel and separating the first flow channel into a first flow segment and a second flow segment, the partition having a flow hole defined therein, the first flow segment and the second flow segment being connected via the flow hole. The first flow segment and the second flow segment are provided, and their shapes can be configured as needed to facilitate communication between the second flow channel and the heat exchange channel, respectively.

[0026] In a second aspect, the present application further provides a preparation process for preparing the current collecting assembly provided in any of the above embodiments, comprising the following steps:

[0027] Placing the connecting piece in a first mold for molding;

[0028] placing the formed connecting piece in a second mold;

[0029] The second mold is poured with a molten liquid so that the molten liquid covers at least a portion of the connector, and the mold is removed after the molten liquid solidifies to form the current collecting component. The preparation method is simple and easy to operate, reduces the difficulty of preparing the current collecting component, and saves costs.

[0030] In a third aspect, the present application further provides a heat exchange device, comprising a heat exchange component and the current collecting assembly provided in any of the above embodiments, wherein the heat exchange component is connected to the connecting component, thereby reducing the difficulty of manufacturing the heat exchange device and saving costs.

[0031] Fourthly, the present application further provides a battery comprising the heat exchange device described in the above embodiment. When the battery is equipped with the heat exchange device described in the present application, the manufacturing cost of the battery is reduced and the difficulty of manufacturing the battery is reduced.

[0032] In a fifth aspect, the present application further provides an electrical device, the electrical device comprising the battery provided in the above embodiment, thereby reducing the difficulty and cost of manufacturing the electrical device.

[0033] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0035] FIG1 is a schematic structural diagram of a vehicle according to some embodiments of the present application;

[0036] FIG2 is a schematic diagram of the three-dimensional structure of a current collecting assembly according to some embodiments of the present application;

[0037] FIG3 is a top view of the current collecting assembly in FIG2 ;

[0038] FIG4 is a bottom view of the current collecting assembly in FIG2 ;

[0039] FIG5 is a left side view of the current collecting assembly in FIG2;

[0040] FIG6 is a right side view of the current collecting assembly in FIG2;

[0041] FIG7 is a front view of the current collecting assembly in FIG2 ;

[0042] FIG8 is a rear view of the current collecting assembly in FIG2 ;

[0043] FIG9 is a schematic diagram of the three-dimensional structure of a connector according to some embodiments of the present application;

[0044] FIG10 is a schematic structural diagram of a battery provided in some embodiments of the present application;

[0045] FIG11 is a schematic structural diagram of connectors provided in some other embodiments of the present application;

[0046] FIG12 is a schematic structural diagram of a connector provided in some further embodiments of the present application.

[0047] The figure numbers in the specific implementation manner are as follows: 1000, vehicle; 100, battery; 200, controller; 300, motor; 10, current collecting assembly; 11, current collecting part; 12, connecting part; 111, current collecting part; 112, flow delivery part; 113, flow hole; 114, tank body; 115, liquid inlet part; 116, liquid outlet part; 117, second flow channel; 118, convex part; 119, concave part; 20, heat exchange part. DETAILED DESCRIPTION

[0048] The following embodiments of the technical solution of the present application will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application and are therefore only examples and are not intended to limit the scope of protection of the present application.

[0049] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0050] In the description of the embodiments of this application, the technical terms "first" and "second" are used only to distinguish different objects and should not be understood to indicate or imply relative importance or implicitly specify the quantity, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.

[0051] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0052] In the description of the embodiments of this application, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent the following three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0053] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0054] In the description of the embodiments of the present application, the technical 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 the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0055] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; internal connections between two components or interactions between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.

[0056] Currently, market developments indicate that batteries are increasingly being used. They are not only used in energy storage systems such as hydropower, thermal, wind, and solar power plants, but are also widely used in electric vehicles like electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. As battery applications continue to expand, market demand is also growing.

[0057] To meet different power requirements, a battery can include multiple battery cells, where the multiple battery cells can be connected in series, parallel, or in a hybrid connection. Hybrid connection refers to a mixture of series and parallel connections. Optionally, multiple battery cells can first be connected in series, parallel, or in a hybrid connection to form a battery module, and multiple battery modules can then be connected in series, parallel, or in a hybrid connection to form a battery. In other words, multiple battery cells can be directly combined into a battery, or they can first be combined into battery modules, and then the battery modules can be combined into a battery. The battery is further installed in an electrical device to provide power to the device.

[0058] Battery cells can be, but are not limited to, lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries, or magnesium-ion batteries, and are not limited to these in the present embodiments. Battery cells can be cylindrical, flat, rectangular, or other shapes, and are not limited to these in the present embodiments. Battery cells are generally categorized into three types based on packaging: cylindrical, prismatic, and soft-pack.

[0059] Batteries of any shape or with any connection method will generate heat during use. Excessive heat can adversely affect battery performance and service life. Similarly, in low-temperature environments, if the battery temperature is too low, it can also adversely affect battery performance and service life. In related technologies, heat exchange devices are usually installed inside the battery to control the temperature of the battery cells.

[0060] Heat exchange devices typically use a heat exchange medium as a heat exchange carrier, utilizing a liquid pump and circulation piping to move the heat exchange medium within the battery. These methods are categorized as direct contact heat exchange and indirect contact heat exchange. Direct contact heat exchange involves immersing the battery pack directly in the heat exchange medium; in indirect contact heat exchange, heat exchange components come into direct contact with battery cells or modules, allowing the heat exchange medium within the components to absorb heat from the battery cells or transfer heat to them.

[0061] During use, for example, the heat exchange medium flows through the heat exchange element, thereby removing heat from the battery cell or transferring heat to the battery cell, so as to control the temperature of the battery cell within an appropriate range.

[0062] In actual operation, heat exchangers are typically placed between two adjacent battery cells or between two adjacent battery modules to facilitate heat transfer between the battery cells. Therefore, multiple heat exchangers are used, and it is necessary to provide liquid supply and return channels for multiple heat exchangers simultaneously. In this case, a manifold assembly is required. Therefore, a heat exchange device generally includes heat exchangers, a manifold assembly, and a liquid pump.

[0063] In the prior art, current collectors are typically made of long metal profiles that need to be cut into individual pieces of the required length and then turned. This process is difficult, significantly reducing efficiency and incurring significant costs.

[0064] Based on the above considerations, an embodiment of the present application provides a current collecting component to reduce the processing difficulty to a certain extent and can appropriately reduce the processing cost.

[0065] The current collecting assembly provided in the embodiment of the present application includes a current collecting part and a connecting part. The current collecting part is a non-metallic part, and the connecting part is a metal part. The current collecting part and the connecting part can be made respectively by an integrated molding process. The connecting part can be combined with the current collecting part during the molding process of the current collecting part, or it can be connected to the current collecting part after the current collecting part is molded. There is no need to use turning processing on the entire current collecting assembly, which effectively simplifies the processing technology of the current collecting assembly, improves the production efficiency of the current collecting assembly, and reduces the production cost of the current collecting assembly.

[0066] The above-mentioned current collecting assembly can be applied to various devices with fluid transport functions, such as heat exchange devices, water supply devices, etc. The following description will take the application of the current collecting assembly to a heat exchange device in a battery as an example.

[0067] The battery disclosed in the embodiments of the present application can be applied to electrical devices that use the battery as a power source, wherein the electrical devices may include, but are not limited to, mobile phones, tablets, laptop computers, electric toys, power tools, battery-powered vehicles, electric vehicles, ships, spacecraft, etc. Among them, the electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and the spacecraft may include airplanes, rockets, space shuttles, and spacecraft, etc.

[0068] For the convenience of description, the following embodiments are described by taking the electric device provided in the embodiments of the present application as a vehicle 1000 as an example.

[0069] Please refer to Figure 1, which is a schematic structural diagram of a vehicle 1000 provided in some embodiments of the present application. The vehicle 1000 can be a fuel vehicle, a gas vehicle or a new energy vehicle. The new energy vehicle can be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 100 is provided inside the vehicle 1000, and the battery 100 can be provided at the bottom, head or tail of the vehicle 1000. The battery 100 can be used to power the vehicle 1000. For example, the battery 100 can serve as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300. The controller 200 is used to control the battery 100 to power the motor 300, for example, for starting, navigating and driving the vehicle 1000.

[0070] In some embodiments of the present application, the battery 100 can serve not only as an operating power source for the vehicle 1000, but also as a driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0071] In some embodiments of the present application, the battery 100 may include a housing, battery cells, and a heat exchange device, wherein the battery cells are housed in the housing. The housing is used to provide a housing space for the battery cells, and the housing may adopt various structures.

[0072] The battery cell may be a secondary battery or a primary battery, wherein a secondary battery refers to a battery cell that can be recharged to activate the active material after the battery cell is discharged and can continue to be used, and a primary battery refers to a battery cell that cannot be recharged to activate the active material after the battery cell's power is exhausted and can continue to be used. The battery cell may also be a lithium-ion battery, a sodium-ion battery, a sodium-lithium-ion battery, a lithium metal battery, a sodium metal battery, a lithium-sulfur battery, a magnesium-ion battery, a nickel-hydrogen battery, a nickel-cadmium battery, a lead-acid battery, etc., but is not limited thereto. The battery cell may be a cylindrical battery cell, a prismatic battery cell, a soft-pack battery cell, or a battery cell of other shapes. Prismatic battery cells include square-shell battery cells, blade-shaped battery cells, and polygonal prismatic batteries. Polygonal prismatic batteries are, for example, hexagonal prismatic batteries, etc. This application has no particular limitations.

[0073] In some embodiments, the heat exchange device may include a heat exchange element 20, a current collecting assembly 10, and a pump body for driving the flow.

[0074] The manifold assembly 10 can connect multiple heat exchange components 20 into an interconnected structure, facilitating liquid supply and return, so that the multiple heat exchange components 20 form an integrated heat exchange device. The manifold assembly 10 has a manifold channel that is used to connect the heat exchange channels of the heat exchange components 20.

[0075] The heat exchange element 20 is a component used to exchange heat between battery cells or battery modules in the battery 100. As will be understood, the heat exchange element 20 has a heat exchange channel within it, through which a heat exchange medium circulates to remove heat generated by the battery cells or transfer heat to the battery cells. There can be multiple heat exchange elements 20, and two adjacent heat exchange elements 20 can be connected via the current manifold assembly 10, so that the heat exchange channels of the two adjacent heat exchange elements 20 are interconnected.

[0076] According to some embodiments of the present application, please refer to Figures 2 to 8 together, which provide a current collecting assembly 10. The current collecting assembly 10 includes a current collecting part 11 and a connecting part 12. The current collecting part 11 is a non-metallic part, and the connecting part 12 is a metal part. The current collecting part 11 and the connecting part 12 are integrally formed components, and the current collecting part 11 is connected to the heat exchange part 20 through the connecting part 12.

[0077] The current collecting member 11 is the main component of the current collecting assembly 10. It is understood that a collecting channel is formed inside the current collecting member 11, which is connected to the heat exchange channel of the heat exchange member 20 to realize the liquid supply and liquid return functions of the heat exchange medium. The current collecting member 11 is a non-metallic member, that is, the current collecting member 11 is made of a non-metallic material. The non-metallic material can be, but is not limited to, plastic, ceramic, glass, etc. The current collecting member 11 is made using an integrated molding process. For example, if the material of the current collecting member 11 is plastic, the current collecting member 11 can be made using an injection molding process.

[0078] The connector 12 is a component used to connect the current collector 11 and the heat exchanger 20. It is understood that a communication channel is formed inside the connector 12. When the connector 12 is connected to the current collector 11 and the heat exchanger 20, the collecting channel of the current collector 11 is connected to the heat exchange channel of the heat exchanger 20 through the communication channel of the connector 12, so that the heat exchange medium can flow from the heat exchange channel of the heat exchanger 20 through the connecting channel of the connector 12 to the collecting channel of the current collector 11, or from the collecting channel of the current collector 11 through the connecting channel of the connector 12 to the heat exchange channel of the heat exchanger 20.

[0079] Typically, to improve heat exchange efficiency, the heat exchange element 20 is made of a metal material with good thermal conductivity. Since the connector 12 provided in the embodiment of the present application is used to connect to the heat exchange element 20, preferably by welding, the connector 12 provided in the embodiment of the present application is a metal member, that is, the connector 12 is made of a metal material. The metal material may be, but is not limited to, aluminum, aluminum alloy, copper, iron, steel, stainless steel, etc. The material of the connector 12 may be the same as or different from the material of the heat exchange element 20.

[0080] The current collecting member 11 is connected to the heat exchange member 20 via the connector 12. In other words, the connector 12 is connected between the current collecting member 11 and the heat exchange member 20. In some embodiments, the current collecting member 11 covers at least a portion of the connector 12 during the molding process, so that the current collecting member 11 and the connector 12 are combined together after the current collecting member 11 is molded. In other embodiments, the current collecting member 11 and the connector 12 are independently molded and then connected together. The connection between the current collecting member 11 and the connector 12 can be, but is not limited to, fastening connection, bonding, etc. The connection between the connector 12 and the heat exchange member 20 can be, but is not limited to, welding, fastening connection, bonding, etc.

[0081] Please refer to Figure 10. In some embodiments, the heat exchange channel of the heat exchange element 20 has a liquid inlet and a liquid outlet, and the collecting piece 11 is connected to the liquid inlet of the heat exchange element 20 through the connecting piece 12. When there are multiple heat exchange elements 20, there are also multiple collecting assemblies 10, and the collecting pieces 11 of the multiple collecting assemblies 10 are connected in sequence.

[0082] Please continue to refer to Figure 10. In other embodiments, the heat exchange channel of the heat exchange element 20 has a liquid inlet and a liquid outlet, and the collecting piece 11 is connected to the liquid outlet of the heat exchange element 20 through the connecting piece 12. When there are multiple heat exchange elements 20, there are also multiple collecting assemblies 10, and the collecting pieces 11 of the multiple collecting assemblies 10 are connected in sequence.

[0083] Please continue to refer to Figure 10. In some other embodiments, the heat exchange channel of the heat exchanger 20 has a liquid inlet and a liquid outlet. One collecting member 11 is connected to the liquid inlet of the heat exchanger 20 through a connecting member 12, and another collecting member 11 is connected to the liquid outlet of the heat exchanger 20 through another connecting member 12. When there are multiple heat exchangers 20, there are multiple collecting assemblies 10. The multiple collecting members 11 connected to the liquid inlet of the heat exchanger 20 are connected in sequence, and the multiple collecting members 11 connected to the liquid outlet of the heat exchanger 20 are connected in sequence.

[0084] The current collecting component 10 provided in the embodiment of the present application includes a current collecting part 11 and a connecting part 12. The current collecting part 11 is a non-metallic part, and the connecting part 12 is a metal part. The current collecting part 11 and the connecting part 12 can be made respectively by an integrated molding process. The connecting part 12 can be combined with the current collecting part 11 during the molding process of the current collecting part 11, or it can be connected to the current collecting part 11 after the current collecting part 11 is molded. There is no need to use turning processing on the entire current collecting component 10, which effectively simplifies the processing technology of the current collecting component 10, improves the production efficiency of the current collecting component 10, and reduces the production cost of the current collecting component 10.

[0085] In some embodiments, the current collecting member 11 may be a plastic member, and the current collecting member 11 is an injection-molded component. The current collecting member 11 wraps at least a portion of the connecting member 12 to connect the current collecting member 11 to the connecting member 12 .

[0086] Specifically, the current collecting member 11 provided in this embodiment is cast and formed by injection molding, and the connecting member 12 can be partially immersed in the casting liquid when the current collecting member 11 is cast to be connected after molding. The injection molding of the current collecting member 11 is generally achieved with the help of a mold. The shape of the mold can be designed in advance according to the shape that the current collecting member 11 needs to be cast into, and then the connecting member 12 is set in the mold. Then, thermoplastic material is poured into the mold to fill the interior of the mold. After cooling and molding, the mold is opened and demolded to form the current collecting assembly 10, and the current collecting channel structure on the current collecting member 11 can be formed.

[0087] The casting of the current collecting part 11 needs to be achieved with the help of a mold, specifically, by pouring thermoplastic material into the mold and then waiting for it to cool. Since the connecting part 12 and the current collecting part 11 are an integrated structure, the connecting part 12 and the current collecting part 11 can be cast as an integrated structure. Specifically, the current collecting part 11 is cast and formed through a mold, and the connecting part 12 is pre-buried in the mold to be cast into an integrated structure with the current collecting part 11.

[0088] The mold can be a specialized mold for casting thermoplastic materials. The mold's internal cavity shape can be designed based on the shape of the current collector 11. The connector 12 is pre-embedded in the mold. Prior to casting, the connector 12 is positioned within the mold's internal cavity. During casting, the cast thermoplastic material and the connector 12 form an integrated structure.

[0089] It should be noted that the current collecting member 11 wraps at least a portion of the connector 12, that is, a portion of the connector 12 needs to be exposed for interconnection with the heat exchanger 20. The embedded position of the connector 12 in the mold needs to be positioned as required and cannot be submerged by the thermoplastic material. At least after casting, it has an exposed portion on the surface of the current collecting member 11 so that it can be connected to the heat exchanger 20. Specifically, it can be arranged like this: after casting is completed, a portion of the connector 12 is cast inside the current collecting member 11, and the other portion of the connector 12 is exposed outside the current collecting member 11, forming a boss or a raised step structure on the surface of the current collecting member 11, which facilitates the connection of the connector 12 to the heat exchanger 20.

[0090] The pre-embedded positioning of the connector 12 in the mold can adopt some supporting structures to achieve the positioning of the connector 12. The supporting structure can be made of the same material as the current collecting part 11, but it needs to be in a cooled and formed state so that it has a certain strength to meet the support requirements. Specifically, the supporting structure can adopt a rod-shaped structure, a ring-shaped structure or a hook-shaped structure, or a combination of multiple structures, so that the connector 12 can be positioned in the mold in a suspended state, and try not to contact the inner wall of the mold, or when required, it can also choose to contact the inner wall of the mold. Due to the support structure, the connector 12 can maintain a stable state during casting.

[0091] Injection molding is a method for producing and shaping products, typically using thermoplastic materials. It can be further categorized into injection molding and die casting. Thermoplastic or thermosetting materials are molded into various shapes using plastic molding dies. Injection molding is accomplished using an injection molding machine and molds.

[0092] After injection molding, the current collecting assembly 10 can be connected to the heat exchange component 20 when in use. After the connection, the current collecting channel of the current collecting component 11 and the heat exchange channel of the heat exchange component 20 are connected to form a guide channel.

[0093] The current collecting part 11 provided in the present application is prepared in the form of injection molding, while the traditional current collecting component 10 is prepared as a whole in the form of metal processing and turning. The current collecting component 10 of the present application is not only simple and quick in production, reducing the processing difficulty, but also greatly improves efficiency and reduces costs to a certain extent. Since the connecting part 12 and the current collecting part 11 form an integrated structure, the connecting part 12 and the current collecting part 11 are cast as a whole by injection molding, which is very convenient and quick to operate. After the current collecting part 11 is cast, the connecting part 12 is also formed on the current collecting part 11, and this form makes the connection between the connecting part 12 and the current collecting part 11 have a better degree of connection and better stability.

[0094] In some embodiments, the current collecting member 11 may be made of a thermoplastic material, which may be one or more of ABS, polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, and polyamide.

[0095] Thermoplastic materials are materials that can flow and deform when heated, but retain their shape after cooling. Thermoplastic materials melt when heated, flow into a mold, cool, and then melt again when heated again. Heating and cooling create a reversible transition between solid and liquid, or between liquid and solid. This allows the material forming the current collector 11 to be reused, further saving costs.

[0096] Optionally, the thermoplastic material may be acrylonitrile butadiene styrene (ABS). ABS is a thermoplastic polymer material with high strength, good toughness, and ease of processing and molding. ABS has excellent mechanical properties, including excellent impact strength, and can be used at extremely low temperatures. ABS also offers excellent wear resistance, dimensional stability, and oil resistance.

[0097] This embodiment provides materials that can be used for the current collecting member 11. By using the provided materials for injection molding, a current collecting member 11 that meets the requirements can be obtained, so that the current collecting member 11 can maintain a certain strength and can save a certain cost.

[0098] Please refer to FIG. 11 and FIG. 12 . In some embodiments, a limiting structure is provided between the current collecting member 11 and the connecting member 12 , and the current collecting member 11 is connected to the connecting member 12 via the limiting structure.

[0099] Specifically, the limiting structure is a structure that prevents the two from separating and strengthens the firmness between the two. After the limiting structure is set, a concave-convex matching structure is formed between the limiting structure and the current collecting member 11, which is equivalent to a locking position, thus preventing the two from separating.

[0100] The limiting structure provided in this embodiment ensures the firmness of the connection between the connecting member 12 and the current collecting member 11 .

[0101] In some embodiments, referring to Figures 11 and 12, the limiting structure includes a protrusion 118 and a recess 119, the protrusion 118 is arranged on one of the connector 12 and the current collecting member 11, and the recess 119 is arranged on the other of the connector 12 and the current collecting member 11, and the protrusion 118 is embedded in the recess 119 to connect the current collecting member 11 with the connector 12.

[0102] Specifically, the convex portion 118 is a protruding portion relative to the outer surface of the connector 12 and the inner surface of the current collecting member 11, and the concave portion 119 is another concave portion relative to the outer surface of the connector 12 and the inner surface of the current collecting member 11. In some embodiments, the convex portion 118 is convexly provided on the outer surface of the connector 12, and the concave portion 119 is concavely provided on the inner surface of the current collecting member 111. In some embodiments, the current collecting member 11 covers at least a portion of the connector 12 during the molding process, so that the current collecting member 11 and the connector 12 are combined together after the current collecting member 11 is molded. In the above process, the convex portion 118 is embedded in the current collecting member 11, so that the concave portion 119 is formed on the inner surface of the current collecting member 11 after molding, thereby achieving the combination of the current collecting member 11 and the connector 12.

[0103] The structure in which the convex portion 118 and the concave portion 119 cooperate with each other further strengthens the firmness of the connection between the connecting member 12 and the current collecting member 11.

[0104] According to an embodiment of the present application, the shape of the protrusion 118 structure can be one or more of a hook shape, a barb shape, and a bend shape.

[0105] Specifically, the hook shape can be a barbed hook structure. Alternatively, it can be a barb shape or a bend shape. The barb shape is an inverted pointed structure, and its effect is the same as the hook shape. The bend shape can be an L-shaped bend, a T-shaped bend, an S-shaped shape, or a continuous wave shape.

[0106] The shape of the protrusion 118 provided in this embodiment can further increase the firmness of the connection.

[0107] In some embodiments, the recess 119 is one or more of a hook-shaped recess, a barbed recess, and a bent recess. The shape of the recess 119 matches the shape of the protrusion 118. The specific form of the recess 119 provided in this embodiment also serves to further strengthen the connection.

[0108] In some embodiments, referring to FIG. 2 , the connecting member 12 is disposed around a port of the current collecting member 11 close to the heat exchange member 20 .

[0109] In other words, as shown in FIG9 , the connector 12 is annular, and the annular structure may be, but is not limited to, a circular annular structure, an elliptical annular structure, a square annular structure, a triangular annular structure, etc. The shape of the annular structure may be determined according to the shape of the port of the heat exchanger 20 close to the heat exchanger 20 .

[0110] The connecting member 12 provided in this embodiment is annular in a certain cross section. A plane connecting member 12 is assumed to be cut off on the plane and is annular in the plane. The connecting member 12 has a certain thickness in the direction perpendicular to the plane, and the annular body of the connecting member 12 also has a certain width.

[0111] The effect of setting the connecting member 12 into an annular structure is that when the connecting member 12 is connected to the heat exchange member 20, it can be connected to the heat exchange member 20 in the entire circumferential direction, thereby increasing the connection stability and reliability.

[0112] It should be noted that the collecting channel is opened on the collecting member 11 and is opened near the port of the collecting member 11 near the heat exchange member 20. When the connector 12 is annular, the collecting channel can be located in the annular structure, that is, the connector 12 is arranged around the opening of the collecting channel. The effect of this is that one side of the connector 12 is sealed because it is cast in the collecting member 11. The other side of the connector 12 can be connected to the heat exchange member 20. When this side is also connected in a sealed manner, the collecting channel and the heat exchange channel of the heat exchange member 20 can be sealed and connected to form the guide channel. Specifically, the connector 12 and the heat exchange member 20 can be connected in a sealed manner, which can be welded and sealed in the circumferential direction, or a sealing gasket or a sealing rubber ring can be provided between the connector 12 and the heat exchange member 20 for extrusion sealing.

[0113] Specifically, when the connector 12 is annular, the connector 12 and the heat exchanger 20 can be connected by welding, and the welding position is on the entire circumference of the connector 12 in the annular direction, which can effectively achieve a sealed connection.

[0114] In some embodiments, referring to FIG. 11 and FIG. 12 , the limiting structures are evenly distributed along the circumference of the connecting member 12 .

[0115] Specifically, the uniform distribution may mean that the intervals between every two adjacent limiting structures along the circumference of the connector 12 are equal, so that the connection firmness between each part of the connector 12 and the current collecting member 11 can be kept balanced.

[0116] In some embodiments, the material of the connecting member 12 is the same as that of the heat exchange member 20 , or the material of the connecting member 12 is one or more of aluminum, aluminum alloy, iron, steel, or copper.

[0117] Specifically, when connecting the connecting member 12 and the heat exchange member 20, it is necessary to connect the collecting channel and the heat exchange channel, and the connection needs to be sealed, that is, the heat exchange medium cannot flow out or leak out, so the better connection form is welding, so the material of the connecting member 12 can be selected to be the same as the material of the heat exchange member 20.

[0118] Generally, the heat exchanger 20 is made of metal, so the connector 12 can be made of the same metal as the heat exchanger 20 and then connected by welding. Brazing is an optional welding method. During brazing, the metal being welded does not melt. Instead, the welding material (welding wire) melts and adheres tightly to the metal being welded, connecting the two materials together using the forces between the atoms of the two materials.

[0119] Alternatively, the material of the connector 12 may be one or more of aluminum, aluminum alloy, iron, steel, or copper. To improve thermal conductivity, the heat exchanger 20 is often made of a metal material with good thermal conductivity. Aluminum or aluminum alloys are generally preferred materials for the heat exchanger 20 due to their low price and ease of processing. Accordingly, the material of the connector 12 provided in this embodiment may be aluminum or aluminum alloy, or one or more of iron, steel, or copper.

[0120] The material of the connector 12 provided in this embodiment meets the welding requirements. The connection achieved through welding makes the connection more secure and can achieve a sealed connection. In addition, the welding form is easier to operate than other connection forms, has good stability, and can improve processing efficiency.

[0121] Therefore, the connector 12 and the heat exchange element 20 are welded together, which can not only increase the firmness of the connection but also achieve a better relative seal.

[0122] Referring to Figures 2-8 , in some embodiments, the flow collector 11 includes a flow collector portion 111 and a flow delivery portion 112. The flow collector portion 111 is provided with a first flow channel, which is used to connect to the heat exchange channel of the heat exchange element 20. The flow delivery portion 112 is connected to the flow collector portion 111 and has a second flow channel 117, which is connected to the first flow channel.

[0123] The first flow channel and the second flow channel 117 form the aforementioned flow collecting channel.

[0124] Specifically, the collecting member 11 needs to have two functions. First, it needs to have a main line for liquid supply and return, and it also needs to have the function of providing heat exchange medium to the corresponding heat exchange member 20, that is, it needs to have a branch that can provide heat exchange medium to the corresponding heat exchange member 20.

[0125] To achieve the above functions, the flow collecting member 11 provided in this application includes a flow collecting portion 111 and a flow delivery portion 112. The flow collecting portion 111 can be a plate-like structure, its specific shape determined by its intended spatial location, and has a certain thickness. The flow collecting portion 111 is used to form the first flow channel. The flow delivery portion 112 is intended to provide the above-mentioned main flow channel.

[0126] Specifically, liquid flows into the second flow channel 117, then into the first flow channel, and finally into the heat exchange channel within the heat exchange element 20. The second flow channels 117 between the multiple manifolds 11 are connected end-to-end to form a main liquid supply channel. At the other end of the heat exchange element 20, the second flow channels 117 of the multiple manifolds 11 are connected end-to-end to form a main liquid return channel. Liquid passing through the heat exchange element 20 flows from the multiple first flow channels at the other end into the second flow channel 117, achieving liquid return.

[0127] Referring to Figure 10 , when in use, multiple heat exchange elements 20 are typically arranged side by side. When the heat exchange channels connect the two ends of the heat exchange elements 20 along their length, each heat exchange element 20 is connected to a manifold assembly 10 at both ends. During connection, the manifold assembly 10 connects to the port of the heat exchange channel, establishing a connection between the first flow channel and the heat exchange channel. Adjacent manifold assemblies 10 located at the same end of a heat exchange element 20 are also interconnected, meaning the second flow channel 117 of one manifold assembly 10 connects to the second flow channel 117 of the next manifold assembly 10. This arrangement allows multiple heat exchange elements 20 to be interconnected.

[0128] Alternatively, when the two ports of the heat exchange channel can be opened at the same side end of the heat exchange element 20, a collecting assembly 10 is set at both ports, that is, the liquid inlet collecting assembly 10 and the liquid outlet collecting assembly 10 are located at the same end of the heat exchange element 20.

[0129] In specific use, taking the case where the heat exchange channel connects both ends of the heat exchange element 20 as an example, the multiple manifold assemblies 10 located at one end of the heat exchange element 20 can be selected as the liquid inlet, while the multiple manifold assemblies 10 located at the other end of the heat exchange element 20 can be selected as the liquid outlet. Specifically, the heat exchange medium enters the interconnected second flow channels 117 of the multiple manifold assemblies 10 at the same end. After receiving the heat exchange medium, each manifold assembly 10 flows through its respective first flow channel into the heat exchange channel of the corresponding heat exchange element 20. In this way, the heat exchange medium can pass through the multiple heat exchange elements 20, undergo heat exchange with the battery 100, and then flow out through the first flow channels of the multiple manifold assemblies 10 at the other end through the second flow channel 117, thus achieving circulation.

[0130] Therefore, the effect of this embodiment is that it provides a liquid supply and return pipeline form, and can allow liquid to enter each collecting member 11 and each heat exchange member 20, thereby realizing a full-range liquid circulation heat exchange system.

[0131] Please refer to Figure 2. In some embodiments, the flow delivery part 112 includes a tube body, the inner cavity of the tube body forms the second flow channel 117, the collecting part 111 is provided with a through hole, the tube body is inserted into the through hole, and a through hole connected to the first flow channel is opened on the tube body.

[0132] Specifically, the two ends of the tube body respectively form a liquid inlet 115 and a liquid outlet 116. The diameter of the perforation is equal to or slightly larger than the outer diameter of the tube body. The length of the tube body exposed on both sides of the perforation can be the same or not much different. A first flow channel is defined within the manifold 111. One end of the first flow channel is connected to the interior of the tube body through a through hole. The other end of the first flow channel is connected to the heat exchange channel of the heat exchange element 20, thus achieving conductivity after connection.

[0133] The effect of this embodiment is that the pipe body is a through-length pipe, which is arranged on the collecting portion 111 through the perforation, has a stable and reliable structure, and realizes effective communication through the through-holes.

[0134] In other embodiments, the flow delivery portion 112 includes a first connector and a second connector connected to the collecting portion 111 . The first connector has a first channel, the second connector has a second channel, and the first channel and the second channel are connected to form a second flow channel 117 .

[0135] Specifically, the flow delivery portion 112 may not be a full-length integral pipe, but may include a first connector and a second connector, both of which are hollow structures. In this case, a perforation may also be provided on the collecting portion 111, and the first connector and the second connector may be connected to both sides of the perforation. The first channel and the second channel may form the second flow channel 117 together with the perforation, or the first channel and the second channel may be directly connected to form the second flow channel 117.

[0136] The first flow channel may be connected to the through hole to achieve conduction, or the first flow channel may be directly connected to the first channel or the second channel.

[0137] The effect of this embodiment is that the structures of the first connector and the second connector are simple and easy to prepare, and since the first connector and the second connector are provided, the front and rear current collecting parts 11 can be connected by docking the connectors, thereby facilitating the connection of multiple second channels to form a main line.

[0138] In some embodiments, the first connector and the second connector are connected to opposite sides of the manifold 111. This facilitates the arrangement and connection of the first connector and the second connector, and can well form the second flow channel 117.

[0139] Regarding the specific forms of the flow delivery portion 112 provided in the above two embodiments, when used, as shown in Figure 10, the first end of the heat exchanger 20 is connected to the manifold assembly 10. Since multiple heat exchangers 20 are arranged side by side, a manifold assembly 10 is provided at the first end of each heat exchanger 20. The second flow channels 117 of two adjacent manifold assemblies 10 located on the same end of the heat exchanger 20 are then interconnected to achieve sealed communication. That is, the liquid inlet portion 115 (or first connector) of the flow delivery portion 112 of the first manifold assembly 10 is used to connect to the water supply system, and the liquid outlet portion 116 (or second connector) of the flow delivery portion 112 of the last manifold assembly 10 can be in a closed state.

[0140] The second end of the heat exchanger 20 is also connected to the manifold assembly 10, and the manifold assembly 10 at the second end uses the same connection method as the manifold assembly 10 at the first end. The first flow channel of the second end manifold assembly 10 is used to flow out liquid, which is the reflux liquid after heat exchange. The reflux liquid is collected in the second flow channel 117 at the second end and finally flows back. It can then flow through the heat exchanger again, cool down in the heat exchanger, and then flow back to continue cooling.

[0141] Please refer to Figure 7. In some embodiments, the collecting portion 111 includes a main body and a partition portion. The main body has a first flow channel. The partition portion is arranged in the first flow channel and divides the first flow channel into a first flow segment and a second flow segment. The partition portion is provided with an overflow hole 113, and the first flow segment and the second flow segment are connected through the overflow hole 113.

[0142] The shapes of the first and second flow sections can be configured as needed. Since the first flow section and the second flow channel 117 are interconnected, the shape of the first flow section can be configured as needed to facilitate communication with the second flow channel 117. Furthermore, the shape of the second flow section can also be configured as needed. Specifically, the second flow section can be configured as a trough 114, with the flow hole 113 communicating with the trough 114. Because the overall diameter of the flow hole 113 is relatively small, and the heat exchange element 20 may have multiple heat exchange channels, the trough 114 is provided to allow the heat exchange medium to flow simultaneously into multiple heat exchange channels. This allows the heat exchange medium to first fill the trough 114, which can then communicate with multiple heat exchange channels for simultaneous injection. The trough 114 of the manifold assembly 10 at the other end can collect the heat exchange medium from multiple heat exchange channels. The connector 12 can be configured to surround the trough 114, thus sealing the trough 114. This prevents the heat exchange medium within the trough 114 from overflowing and instead flows directly into the heat exchange channels.

[0143] The flow hole 113 is a channel with a certain inner diameter and a certain extension length. The direction of the flow hole 113 can be set as needed to enable it to inject liquid into the heat exchange channel at a specific position or collect the reflux liquid of the heat exchange channel at a specific position.

[0144] Specifically, the flow holes 113 of the fluid collecting member 11 for liquid inlet and the flow holes 113 of the fluid collecting member 11 for liquid outlet may have different opening directions and lengths. The flow holes 113 of the fluid collecting member 11 for liquid inlet may be connected to the heat exchange channel on the upper side of the heat exchange member 20, and the flow holes 113 of the fluid collecting member 11 for liquid outlet may be connected to the heat exchange channel on the lower side of the heat exchange member 20. Since the heat exchange channels are connected, when the heat exchange medium flows in the heat exchange member 20, it can fill the entire heat exchange member 20 from top to bottom. Specifically, to facilitate communication, the flow holes 113 for liquid inlet and the flow holes 113 for liquid outlet may be respectively arranged at the upper and lower portions of the corresponding surfaces of the two fluid collecting members 11.

[0145] According to an embodiment of the present application, the first flow section and the second flow section are arranged so that both can select specific shapes according to the form of the second flow channel 117 or the heat exchange channel, making them easier to connect.

[0146] In a second aspect, the present application provides a preparation process for preparing the current collecting assembly 10 described in any of the above embodiments, the preparation process comprising the following steps:

[0147] Placing the connector 12 in a first mold for molding;

[0148] Placing the formed connector 12 in the second mold;

[0149] A melt is poured into the second mold so that the melt wraps at least a portion of the connector 12 , and the mold is removed after the melt solidifies to form the current collecting member 11 .

[0150] Among them, the mold for injection molding can include a movable mold and a fixed mold, and is used with the aid of an injection molding machine. The movable mold can be installed on the movable template of the injection molding machine, and the fixed mold can be installed on the fixed template of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a pouring system and a cavity. When the mold is opened, the movable mold and the fixed mold are separated to remove the injection molded part. The connector 12 can be pre-embedded and positioned in the cavity before pouring to form an integral pouring. After pouring is completed, wait for a certain period of time, and then open the mold to obtain the current collecting assembly 10 provided in this embodiment.

[0151] This embodiment provides specific implementation steps for preparing the current collecting assembly 10. The preparation method is simple and easy to operate, which reduces the difficulty of preparing the current collecting assembly 10 and saves costs.

[0152] The above-mentioned current collecting assembly 10 can be obtained through the preparation process provided by this embodiment. Compared with the processing method of the current collecting assembly 10 in the prior art, this preparation process has low processing difficulty, high processing efficiency, and reduces costs to a certain extent.

[0153] According to the embodiments provided in the present application, in some cases, the current collecting part 11 after demolding includes a flow delivery part 112 and a flow collecting part 111, which are respectively used to form the second flow channel 117 and the first flow channel. Specifically, the flow delivery part 112 can be a tube body or two connectors. Therefore, in some cases, in order to achieve further refined processing of the current collecting part 11, the ends of the tube body or the two connectors can be processed by machining after demolding, so that sealing parts such as sealing sleeves or connecting sleeves can be connected to meet the use requirements. The first flow channel can be cast by injection molding, and some first flow channels with special shapes can also be completed by machining after injection molding.

[0154] In a third aspect, the present application provides a heat exchange device, comprising the current collecting assembly 10 provided in any one of the above embodiments.

[0155] The heat exchange device may include a liquid supply system, specifically some pipes and a pump body, and may also include a return water pipe and a heat exchanger, etc., and the heat exchange element 20 is also part of the heat exchange device. This heat exchange device includes the collecting assembly 10 provided in this embodiment, which can reduce the difficulty of preparing the heat exchange device and save costs.

[0156] Fourthly, referring to FIG. 11 , the present application provides a battery 100 including the heat exchange device of the aforementioned embodiment. When the battery 100 is equipped with the heat exchange device of the present application, the manufacturing cost and difficulty of the battery 100 are reduced.

[0157] In a fifth aspect, the present application provides an electric device, comprising the battery 100 provided in the above embodiment, thereby reducing the difficulty and cost of manufacturing the electric device.

[0158] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A current collecting component, characterized in that, The current collecting assembly comprises a current collecting piece and a connecting piece, wherein the current collecting piece is a non-metallic piece, and the connecting piece is a metal piece. The current collecting piece and the connecting piece are integrally formed components, and the current collecting piece is connected to a heat exchange piece via the connecting piece.

2. The current collector assembly according to claim 1, characterized in that, The current collecting member is an injection-molded component, and the current collecting member wraps at least a portion of the connecting member so that the current collecting member is connected to the connecting member.

3. The current collector assembly according to claim 2, wherein, The current collecting piece is a thermoplastic material piece.

4. The current collector assembly according to claim 3, characterized in that, The thermoplastic material piece is one or more of ABS material pieces, polyethylene pieces, polypropylene pieces, polyvinyl chloride pieces, polystyrene pieces, polyoxymethylene pieces, polycarbonate pieces, and polyamide pieces.

5. The current collector assembly according to any one of claims 1-4, characterized in that, A limiting structure is provided between the current collecting member and the connecting member, and the current collecting member is connected to the connecting member via the limiting structure.

6. The current collector assembly according to claim 5, wherein, The limiting structure includes a convex portion and a concave portion, the convex portion is arranged on one of the connecting member and the current collecting member, the concave portion is arranged on the other of the connecting member and the current collecting member, and the convex portion is embedded in the concave portion to connect the current collecting member with the connecting member.

7. The current collecting component according to claim 6, characterized in that, The shape of the protrusion is one or more of a hook shape, a barb shape, and a bend shape.

8. The current collector assembly according to claim 6, characterized in that The recess is one or more of a hook-shaped recess, a barb-shaped recess, and a bent-shaped recess.

9. The current collecting component according to any one of claims 5-8, characterized in that, The connecting member is arranged around the port of the current collecting member close to the heat exchange member.

10. The current collection component according to claim 9, characterized in that The limiting structures are evenly distributed along the circumference of the connecting piece.

11. The current collecting component according to any one of claims 1-10, characterized in that, The material of the connecting member is the same as that of the heat exchange member, or the material of the connecting member is one or more of aluminum, aluminum alloy, iron, steel or copper.

12. The current collector assembly according to any one of claims 1-11, characterized in that, The connecting member is welded to the heat exchange member.

13. The current collector assembly according to any one of claims 1-12, characterized in that, The flow collecting part includes a flow collecting portion and a flow delivery portion. The flow collecting portion is provided with a first flow channel, which is used to connect the heat exchange channel of the heat exchange element. The flow delivery portion is connected to the flow collecting portion, and the flow delivery portion has a second flow channel, which is connected to the first flow channel.

14. The current collecting component according to claim 13, wherein The flow delivery part includes a tube body, the inner cavity of the tube body forms the second flow channel, the flow collecting part is provided with a through hole, the tube body is penetrated in the through hole, and a through hole connected to the first flow channel is opened on the tube body.

15. The current collector assembly according to claim 13, wherein The flow delivery part includes a first connector and a second connector connected to the flow collecting part, the first connector has a first channel, the second connector has a second channel, and the first channel is connected to the second channel to form the second flow channel.

16. The current collector assembly according to claim 15, characterized in that, The first connector and the second connector are connected to opposite sides of the current collecting portion.

17. The current collector assembly according to claim 15, characterized in that, The collecting portion includes a main body and a partition portion, the main body has the first flow channel, the partition portion is arranged in the first flow channel and divides the first flow channel into a first flow segment and a second flow segment, the partition portion is provided with a flow hole, and the first flow segment and the second flow segment are connected through the flow hole.

18. A preparation process for preparing a current collector assembly as described in any one of claims 1-17, characterized in that, The preparation process comprises the following steps: Placing the connecting piece in a first mold for molding; placing the formed connecting piece in a second mold; A molten liquid is poured into the second mold so that the molten liquid wraps at least a portion of the connecting member, and the mold is removed after the molten liquid solidifies to form the current collecting member.

19. A heat exchange device, characterized in that, The heat exchange device includes a heat exchange member and a current collector assembly as described in any one of claims 1-17, and the heat exchange member is connected to the connecting member.

20. A battery, characterized in that, The battery includes the heat exchange device as described in claim 19.

21. An electrical device, characterized in that, The electrical equipment includes the battery as described in claim 20.

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