Thermal management components, batteries and power devices

Abstract

The present application discloses a thermal management component, a battery and an electrical device. The thermal management component includes a heat exchange plate and a faucet structure. The heat exchange plate is used to be arranged on the outside of the battery box to exchange heat for the battery cells located inside the battery box. The heat exchange plate is provided with a heat exchange channel for the flow of heat exchange medium. The faucet structure is detachably connected to the heat exchange plate, and the faucet structure is connected to the heat exchange channel. If the faucet structure of the thermal management component located outside the battery box is damaged due to collision or the like, since the faucet structure is detachably connected to the heat exchange plate, only the faucet structure can be replaced without replacing the entire thermal management component, thereby reducing the maintenance cost of the battery.

Description

Technical Field

[0001] The present application relates to the technical field of batteries, and more particularly, to a thermal management component, a battery, and an electric device. Background Art

[0002] At present, from the perspective of market development, the application of power batteries is becoming more and more extensive. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of the application field of power batteries, the market demand is also constantly expanding.

[0003] In the development of battery technology, how to reduce the maintenance cost of batteries is an important research direction in battery technology. Utility Model Content

[0004] The present application provides a thermal management component, a battery and an electrical device, which can reduce the maintenance cost of the battery.

[0005] In the first aspect, an embodiment of the present application provides a thermal management component, which includes a heat exchange plate and a faucet structure. The heat exchange plate is used to be arranged on the outside of the battery box to exchange heat for the battery cells located inside the battery box. The heat exchange plate is provided with a heat exchange channel for the flow of heat exchange medium; the faucet structure is detachably connected to the heat exchange plate, and the faucet structure is connected to the heat exchange channel.

[0006] In the above scheme, if the faucet structure of the thermal management component located outside the battery box is damaged due to bumps or the like, since the faucet structure and the heat exchange plate are detachably connected, only the faucet structure can be replaced without replacing the entire thermal management component, thereby reducing the maintenance cost of the battery.

[0007] In some embodiments, the heat exchange plate includes a plate body and a current collector, and a plurality of heat exchange channels are arranged on the plate body; the current collector is arranged at the end of the plate body for blocking the plurality of heat exchange channels, and the faucet structure is detachably connected to the current collector.

[0008] In the above scheme, the water nozzle structure is connected to the current collector, and the heat exchange medium can flow to multiple heat exchange channels through the water nozzle structure on the current collector. There is no need to set a water nozzle structure for each heat exchange channel, thereby reducing the production cost of the battery.

[0009] In some embodiments, an adapter is provided on the heat exchange plate, and a first through hole communicating with the heat exchange flow channel is opened on the adapter; a portion of the faucet structure passes through the first through hole and is engaged with the adapter.

[0010] In the above solution, by arranging an adapter on the heat exchange plate and engaging it with the faucet structure, the strength of the connection can be increased and the stability of the connection can be improved.

[0011] In some embodiments, the faucet structure includes a faucet body and an abutment portion, the end of the faucet body is provided with a claw that is engaged with the adapter, and the faucet body is provided with a second through hole that is connected to the heat exchange channel; the abutment portion is arranged on the outer periphery of the faucet body and abuts against the side of the adapter that is away from the heat exchange channel.

[0012] In the above scheme, the faucet body is passed through the second through hole, the claw located at the end of the faucet body is engaged with the adapter, and the abutment part of the faucet structure abuts with the adapter, so that the faucet structure is firmly connected to the adapter, and the installation method is simple and quick, which can improve the efficiency of disassembly and assembly.

[0013] In some embodiments, a groove is provided on the side of the adapter facing away from the heat exchange flow channel; the abutment portion includes an extension section and a clamping section, the extension section is provided on the outer periphery of the faucet body, and the extension section abuts against the adapter; the clamping section is provided at one end of the extension section away from the faucet body, and the clamping section is provided in the groove.

[0014] In the above solution, by inserting the clamping section of the abutment portion into the groove of the adapter, the connection stability between the faucet structure and the adapter can be further improved.

[0015] In some embodiments, the thermal management component further includes a seal disposed in the groove, and the seal is located on a side of the extension section facing the faucet body.

[0016] In the above solution, the sealing component can improve the connection sealing performance between the faucet structure and the adapter, and reduce the risk of leakage of the heat exchange medium.

[0017] In some embodiments, the adapter includes a connecting portion, a first protrusion and a second protrusion, the connecting portion is arranged on the heat exchange plate; the first protrusion is arranged on the side of the connecting portion away from the heat exchange channel; the second protrusion is arranged on the side of the connecting portion away from the heat exchange channel, the first protrusion is close to the second via hole relative to the second protrusion, a groove is formed between the first protrusion and the second protrusion, and the groove is arranged in a circumferential manner along the outer periphery of the first protrusion.

[0018] In the above scheme, a groove is formed by the spacing between the first protruding portion and the second protruding portion, and the groove has an annular structure, which increases the connection area between the faucet structure and the adapter, thereby further improving the connection firmness between the faucet structure and the adapter.

[0019] In some embodiments, the height of the first protrusion is smaller than the height of the second protrusion, and the surface of the extension section facing away from the connecting portion is flush with the surface of the second protrusion facing away from the connecting portion.

[0020] In the above scheme, by setting the height of the first protrusion to be smaller than the height of the second protrusion, after the faucet structure and the adapter are snapped together, the extension section of the faucet structure is exactly flush with the second protrusion, which can further improve the connection stability between the faucet structure and the adapter.

[0021] In a second aspect, an embodiment of the present application further provides a battery, comprising a battery cell, a battery box, and a thermal management component of any of the above-mentioned embodiments, wherein the battery cell is disposed in the battery box; and the thermal management component is disposed on a side of the battery box away from the battery cell.

[0022] In some embodiments, the battery box includes a box body and an upper cover, the box body includes a bottom plate and a side enclosure arranged on the outer periphery of the bottom plate, the side enclosure has an opening on the side facing away from the bottom plate, the battery cell is located in the box body, and the thermal management component is arranged on the side of the bottom plate facing away from the battery cell; the upper cover covers the opening of the box body.

[0023] In a third aspect, an embodiment of the present application provides an electrical device, comprising a battery according to any of the above embodiments, and the battery is used to provide electrical energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of a vehicle provided in some embodiments of the present application;

[0026] Figure 2 An exploded schematic diagram of a battery provided in some embodiments of the present application;

[0027] Figure 3 A schematic diagram of a partial structure of a battery provided in some embodiments of the present application;

[0028] Figure 4 An exploded view of a battery box provided for some embodiments of the present application;

[0029] Figure 5 A schematic diagram of the structure of the adapter and the faucet provided in some embodiments of the present application;

[0030] Figure 6 A schematic diagram of a faucet structure provided in some embodiments of the present application;

[0031] Figure 7 A schematic cross-sectional diagram of the assembly of an adapter and a faucet structure provided in some embodiments of the present application.

[0032] In the drawings, the drawings are not drawn to scale.

[0033] Description of reference numerals:

[0034] 1000, vehicle; 100, battery; 200, controller; 300, motor; 10, upper cover; 20, battery cell; 30, housing; 400, thermal management component; 41, heat exchange plate; 411, heat exchange flow channel; 412, plate body; 413, current collector; 42, faucet structure; 421, faucet body; 422, abutment portion; 423, claw; 424, second through hole; 425, extension section; 426, clamping section; 43, adapter; 431, first through hole; 432, groove; 433, connecting portion; 434, first protrusion; 435, second protrusion; 44, sealing member. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as those commonly understood by technicians in the technical field of this application; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship.

[0037] Reference to "embodiment" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0038] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] The term "and / or" in this application is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this application generally indicates that the associated objects before and after are in an "or" relationship.

[0040] In the embodiments of the present application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length, width and other dimensions of the integrated device are only exemplary descriptions and should not constitute any limitation to the present application.

[0041] The term "plurality" used in the present application refers to two or more (including two).

[0042] In the present application, the battery cell may include a lithium-ion secondary battery cell, a lithium-ion primary battery cell, a lithium-sulfur battery cell, a sodium-lithium-ion battery cell, a sodium-ion battery cell or a magnesium-ion battery cell, etc., and the embodiments of the present application do not limit this. The battery cell may be cylindrical, flat, rectangular or other shapes, etc., and the embodiments of the present application do not limit this.

[0043] In the present application, battery cells may include lithium-ion secondary battery cells, lithium-ion primary battery cells, lithium-sulfur battery cells, sodium-lithium-ion battery cells, sodium-ion battery cells or magnesium-ion battery cells, etc., and the embodiments of the present application do not limit this. Battery cells may be cylindrical, flat, rectangular or other shapes, etc., and the embodiments of the present application do not limit this. Battery cells are generally divided into three types according to the packaging method: cylindrical battery cells, square battery cells and soft-pack battery cells, and the embodiments of the present application do not limit this.

[0044] The battery mentioned in the embodiments of the present application refers to a single physical module including one or more battery cells to provide higher voltage and capacity. For example, the battery mentioned in the present application may include a battery module or a battery pack. The battery generally includes a box for encapsulating one or more battery cells. The box can prevent liquid or other foreign matter from affecting the charging or discharging of the battery cells.

[0045] The battery cell includes an electrode assembly and an electrolyte. The electrode assembly is composed of a positive electrode sheet, a negative electrode sheet and a separator. The battery cell mainly relies on the movement of metal ions between the positive electrode sheet and the negative electrode sheet to work. The positive electrode sheet includes a positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer is coated on the surface of the positive electrode current collector. The current collector not coated with the positive electrode active material layer protrudes from the current collector coated with the positive electrode active material layer. The current collector not coated with the positive electrode active material layer is stacked as a positive electrode tab. Taking lithium-ion batteries as an example, the material of the positive electrode current collector can be aluminum, and the positive electrode active material can be lithium cobalt oxide, lithium iron phosphate, ternary lithium or lithium manganese oxide. The negative electrode sheet includes a negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is coated on the surface of the negative electrode current collector. The current collector not coated with the negative electrode active material layer protrudes from the current collector coated with the negative electrode active material layer. The current collector not coated with the negative electrode active material layer is stacked as a negative electrode tab. The material of the negative electrode current collector can be copper, and the negative electrode active material can be carbon or silicon. The material of the isolation film may be PP (polypropylene) or PE (polyethylene), etc. In addition, the electrode assembly may be a winding structure or a stacked structure, but the embodiments of the present application are not limited thereto.

[0046] The battery cells disclosed in the embodiments of the present application can be used in, but not limited to, electrical devices such as vehicles, ships or aircraft. A power supply system comprising the battery cells and batteries disclosed in the present application can be used to form the electrical device, which is beneficial to improving the stability of battery performance and battery life.

[0047] Batteries will show different electrical cycle performance at different ambient temperatures. When the ambient temperature is too high or too low, the battery cycle performance will decrease, and even shorten its service life. In order to ensure the safety, stable performance and excellent operation of new energy vehicles, it is necessary to effectively manage the thermal performance of the battery, and set thermal management components to control the battery to always operate within the appropriate temperature range to improve the battery cycle performance. At present, for the thermal management components outside the battery box, since the thermal management components are located on the outside of the battery box and are not protected by the battery box, if the exposed water nozzle is easily bumped or damaged during the driving of the vehicle, the entire thermal management component needs to be replaced, which increases the maintenance cost of the battery.

[0048] In order to solve the above-mentioned technical problems, an embodiment of the present application provides a thermal management component, which includes a heat exchange plate and a faucet structure. The heat exchange plate is used to be arranged on the outside of the battery box to exchange heat for the battery cells located inside the battery box. The heat exchange plate is provided with a heat exchange channel for the flow of heat exchange medium; the faucet structure is detachably connected to the heat exchange plate, and the faucet structure is connected to the heat exchange channel.

[0049] In the above scheme, if the faucet structure of the thermal management component located outside the battery box is damaged due to bumps or the like, since the faucet structure and the heat exchange plate are detachably connected, only the faucet structure can be replaced without replacing the entire thermal management component, thereby reducing the maintenance cost of the battery.

[0050] The embodiment of the present application provides an electric device using a battery as a power source, and the electric device may be, but is not limited to, a mobile phone, a tablet, a laptop, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, etc. Among them, the electric toy may include a fixed or mobile electric toy, such as a game console, an electric car toy, an electric ship toy, and an electric airplane toy, etc., and the spacecraft may include an airplane, a rocket, a space shuttle, and a spacecraft, etc.

[0051] For the convenience of description, the following embodiments are described by taking a vehicle 1000 as an example of an electrical device according to an embodiment of the present application.

[0052] Please refer to Figure 1 , Figure 1 A schematic diagram of the structure of a vehicle provided for some embodiments of the present application. Vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may 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 may be provided at the bottom, head or tail of the vehicle 1000. The battery 100 may be used to power the vehicle 1000, for example, the battery 100 may be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, and 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.

[0053] In some embodiments of the present application, the battery 100 can not only serve as an operating power source for the vehicle 1000, but also serve 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.

[0054] Please refer to Figure 2 , Figure 2An exploded view of a battery provided for some embodiments of the present application. The battery 100 includes a battery box and a battery cell 20. In some embodiments, the battery box may include an upper cover 10 and a box body 30, the upper cover 10 and the box body 30 cover each other, and the upper cover 10 and the box body 30 jointly define a receiving cavity for accommodating the battery cell 20. The box body 30 may be a hollow structure with one end open, and the upper cover 10 may be a plate-like structure, and the upper cover 10 covers the open side of the box body 30, so that the upper cover 10 and the box body 30 jointly define a receiving cavity; the upper cover 10 and the box body 30 may also be hollow structures with one side open, and the open side of the upper cover 10 covers the open side of the box body 30. Of course, the battery box formed by the upper cover 10 and the box body 30 may be in a variety of shapes, such as a cylinder, a cuboid, etc.

[0055] like Figure 3 As shown, Figure 3 A schematic diagram of a partial structure of a battery provided for some embodiments of the present application. In the battery 100, there may be a plurality of battery cells 20, and the plurality of battery cells 20 may be connected in series, in parallel, or in a mixed connection. A mixed connection means that the plurality of battery cells 20 are both connected in series and in parallel. The plurality of battery cells 20 may be directly connected in series, in parallel, or in a mixed connection, and then the whole formed by the plurality of battery cells 20 is accommodated in a box; of course, the battery 100 may also be a battery module formed by first connecting a plurality of battery cells 20 in series, in parallel, or in a mixed connection, and then the plurality of battery modules are connected in series, in parallel, or in a mixed connection to form a whole, and then accommodated in a box. The battery 100 may also include other structures. For example, the battery 100 may also include a busbar component for realizing electrical connection between the plurality of battery cells 20.

[0056] Each battery cell 20 may be a secondary battery cell or a primary battery cell, or a lithium-sulfur battery cell, a sodium-ion battery cell, or a magnesium-ion battery cell, but is not limited thereto. The battery cell 20 may be cylindrical, flat, rectangular, or in other shapes.

[0057] Figure 4 An exploded view of a battery box provided for some embodiments of the present application.

[0058] like Figure 4 As shown, in the first aspect, an embodiment of the present application provides a thermal management component 400, which includes a heat exchange plate 41 and a faucet structure 42. The heat exchange plate 41 is used to be arranged on the outside of the battery box to exchange heat for the battery cells 20 located inside the battery box. The heat exchange plate 41 is provided with a heat exchange channel 411 for the flow of heat exchange medium; the faucet structure 42 is detachably connected to the heat exchange plate 41, and the faucet structure 42 is connected to the heat exchange channel 411.

[0059] The heat exchange plate 41 is located outside the battery box and can be attached to the bottom of the battery box to transfer heat through the bottom of the battery box. Of course, the heat management component 400 can also be attached to the side of the battery box.

[0060] The heat exchange medium can be liquid such as water and ethylene glycol. The temperature of the heat exchange medium in the heat exchange channel 411 can be adjusted. When the temperature of the battery cell 20 is too high, the thermal management component 400 can reduce the temperature of the battery cell 20; when the temperature of the battery cell 20 is too low, the thermal management component 400 can keep the battery cell 20 warm and increase the service life of the battery 100.

[0061] The water nozzle structure 42 can be snap-fitted to the heat exchange plate 41, or connected by bolts, etc. The function of the water nozzle structure 42 is to allow the heat exchange medium to be injected into or discharged from the heat exchange plate 41. For example, the heat exchange medium can be injected into the heat exchange plate 41 through the water nozzle structure 42, and the heat can be transferred from the battery cell 20 to the heat exchange medium through heat exchange with the battery cell 20, and then the heat can be taken away by the flowing heat exchange medium. Two water nozzle structures 42 can be set on the heat exchange plate 41, one of which is used to inject the heat exchange medium, and the other is used to discharge the heat exchange medium, so as to realize the circulation of the heat exchange medium in the heat exchange channel 411.

[0062] In the above scheme, if the faucet structure 42 of the thermal management component 400 located outside the battery box is damaged due to bumps or the like, since the faucet structure 42 and the heat exchange plate 41 are detachably connected, only the faucet structure 42 can be replaced without replacing the entire thermal management component 400, thereby reducing the maintenance cost of the battery 100.

[0063] In some embodiments, the heat exchange plate 41 includes a plate body 412 and a current collector 413, and a plurality of heat exchange channels 411 are arranged on the plate body 412; the current collector 413 is arranged at the end of the plate body 412 for sealing the plurality of heat exchange channels 411, and the faucet structure 42 is detachably connected to the current collector 413.

[0064] The heat exchange medium is injected into the nozzle structure 42 of a current collector 413, and the heat exchange medium flows to each heat exchange channel 411 through the current collector 413, and then converges at the current collector 413 at the other end, and is discharged from the nozzle structure 42 on the current collector 413 at the other end. The current collector 413 can ensure that the heat exchange medium is evenly distributed on the surface of the entire heat exchange plate 41 to a certain extent, so as to achieve uniform heat exchange on the entire heat exchange plate 41. By arranging the nozzle structure 42 on the current collector 413, the speed and flow direction of the heat exchange medium can be adjusted.

[0065] In the above scheme, the water nozzle structure 42 is connected to the current collector 413, and the heat exchange medium can flow to multiple heat exchange channels 411 through the water nozzle structure 42 on the current collector 413. There is no need to set a water nozzle structure 42 for each heat exchange channel 411, thereby reducing the production cost of the battery 100.

[0066] Figure 5 A schematic diagram of the structure of the adapter and the faucet provided in some embodiments of the present application; Figure 6 A schematic diagram of a faucet structure provided in some embodiments of the present application; Figure 7 A schematic cross-sectional diagram of the assembly of an adapter and a faucet structure provided in some embodiments of the present application.

[0067] Please refer to Figure 5-Figure 7 In some embodiments, a transfer piece 43 is provided on the heat exchange plate 41 , and the transfer piece 43 has a first through hole 431 communicating with the heat exchange channel 411 ; a portion of the faucet structure 42 passes through the first through hole 431 and is engaged with the transfer piece 43 .

[0068] The adapter 43 can be connected to the heat exchange plate 41 by welding, bonding, bolts or snaps. A through hole matching the size and shape of the first through hole 431 can be provided on the heat exchange plate 41. When installing the adapter 43, the first through hole 431 of the adapter 43 can be aligned with the through hole of the heat exchange plate 41. A claw 423 can be provided at the end of the faucet structure 42, so that after a part of the faucet structure 42 passes through the first through hole 431, the claw 423 of the faucet structure 42 is engaged with the adapter 43; or a protrusion is provided on the faucet structure 42, and a recess is provided on the inner wall of the first through hole 431 of the adapter 43. When the faucet structure 42 is inserted into the first through hole 431, the protrusion of the faucet structure 42 is engaged in the recess, so that the faucet structure 42 and the adapter 43 are engaged.

[0069] The heat exchange plate 41 is generally made of aluminum through an integral extrusion process. The aluminum shell is relatively thin. If the faucet structure 42 is directly connected to the heat exchange plate 41, the structural strength of the connection is relatively weak. In the above solution, by providing an adapter 43 on the heat exchange plate 41 and engaging with the faucet structure 42, the strength of the connection can be increased and the stability of the connection can be improved.

[0070] In some embodiments, the faucet structure 42 includes a faucet body 421 and an abutment portion 422. The end of the faucet body 421 is provided with a claw 423 that is engaged with the adapter 43. The faucet body 421 is provided with a second through hole 424 that is connected to the heat exchange channel 411. The abutment portion 422 is arranged on the outer periphery of the faucet body 421 and abuts against the side of the adapter 43 that is away from the heat exchange channel 411.

[0071] The claw 423 may be disposed around the periphery of the end of the faucet body 421, or a plurality of claws 423 may be disposed at intervals on the periphery of the end of the faucet body 421. The abutment portion 422 may also be disposed around the periphery of the faucet body 421, or the abutment portion 422 may be disposed at a certain portion of the periphery of the faucet body 421, or a plurality of abutment portions 422 may be disposed at intervals on the periphery of the faucet body 421.

[0072] In the above scheme, by passing the faucet body 421 through the first through hole 431, the claw 423 located at the end of the faucet body 421 is engaged with the adapter 43, and the abutment portion 422 of the faucet structure 42 abuts against the adapter 43, so that the faucet structure 42 is firmly connected to the adapter 43, and the installation method is simple and quick, which can improve the efficiency of disassembly and assembly.

[0073] In some embodiments, a groove 432 is provided on the side of the adapter 43 facing away from the heat exchange flow channel 411; the abutment portion 422 includes an extension section 425 and a clamping section 426, the extension section 425 is provided on the periphery of the faucet body 421, and the extension section 425 abuts against the adapter 43; the clamping section 426 is provided at one end of the extension section 425 away from the faucet body 421, and the clamping section 426 is provided in the groove 432.

[0074] The extension section 425 may be disposed around the outer periphery of the faucet body 421, and the clamping section 426 may also be disposed around the outer periphery of the extension section 425. The groove 432 may also be disposed in an annular shape, or a plurality of grooves 432 may be disposed on the adapter 43.

[0075] In the above solution, by inserting the engaging section 426 of the abutting portion 422 into the groove 432 of the adapter 43 , the connection stability between the faucet structure 42 and the adapter 43 can be further improved.

[0076] In some embodiments, the thermal management component 400 further includes a sealing member 44 disposed in the groove 432 , and the sealing member 44 is located on a side of the extension section 425 facing the faucet body 421 .

[0077] The sealing member 44 may be made of rubber, foam, plastic, etc. The sealing member 44 may be an annular sealing ring, or there may be a plurality of sealing members 44 , which are spaced apart along the circumference of the faucet body 421 .

[0078] In the above solution, the seal 44 can improve the connection sealing performance between the faucet structure 42 and the adapter 43, and reduce the risk of leakage of the heat exchange medium.

[0079] like Figure 7As shown, in some embodiments, the adapter 43 includes a connecting portion 433, a first protrusion 434 and a second protrusion 435, the connecting portion 433 is arranged on the heat exchange plate 41; the first protrusion 434 is arranged on the side of the connecting portion 433 away from the heat exchange channel 411; the second protrusion 435 is arranged on the side of the connecting portion 433 away from the heat exchange channel 411, the first protrusion 434 is close to the second through hole 424 relative to the second protrusion 435, the groove 432 is formed between the first protrusion 434 and the second protrusion 435, and the groove 432 is arranged in a circumferential manner along the outer periphery of the first protrusion 434.

[0080] The sealing member 44 is located between the first protruding portion 434 and the clamping section 426, and between the connecting portion 433 and the extending section 425. The first protruding portion 434 and the second protruding portion 435 are both annular, and the groove 432 and the sealing member 44 are also annular. The extending section 425 abuts against the upper side of the first protruding portion 434. One side of the clamping section 426 abuts against the sealing member 44, and the other side abuts against the second protruding portion 435.

[0081] In the above scheme, the groove 432 is formed by the spacing between the first protruding portion 434 and the second protruding portion 435, and the groove 432 is an annular structure, which increases the connection area between the faucet structure 42 and the adapter 43, thereby further improving the connection firmness between the faucet structure 42 and the adapter 43.

[0082] In some embodiments, the height of the first protrusion 434 is smaller than the height of the second protrusion 435 , and the surface of the extension section 425 away from the connection portion 433 is flush with the surface of the second protrusion 435 away from the connection portion 433 .

[0083] By setting the height of the first protrusion 434 to be smaller than the height of the second protrusion 435, after the faucet structure 42 and the adapter 43 are snapped together, the extension section 425 of the faucet structure 42 is exactly flush with the second protrusion 435, which can further improve the connection stability between the faucet structure 42 and the adapter 43.

[0084] In a second aspect, an embodiment of the present application further provides a battery 100, comprising a battery cell 20, a battery box and a thermal management component 400 of any of the above-mentioned embodiments, wherein the battery cell 20 is disposed in the battery box; and the thermal management component 400 is disposed on a side of the battery box away from the battery cell 20.

[0085] In some embodiments, the battery box includes a box body 30 and an upper cover 10, the box body 30 includes a bottom plate and a side enclosure arranged on the periphery of the bottom plate, the side enclosure has an opening on the side facing away from the bottom plate, the battery cell 20 is located in the box body 30, and the thermal management component 400 is arranged on the side of the bottom plate facing away from the battery cell 20; the upper cover 10 covers the opening of the box body 30.

[0086] In a third aspect, an embodiment of the present application provides an electrical device, comprising a battery 100 according to any of the above embodiments, and the battery 100 is used to provide electrical energy.

[0087] According to some embodiments of the present application, the present application provides a thermal management component 400, which includes a heat exchange plate 41 and a nozzle structure 42. The heat exchange plate 41 is used to be arranged on the outside of the battery box to exchange heat for the battery cells 20 located inside the battery box. The heat exchange plate 41 is provided with a heat exchange channel 411 for the flow of heat exchange medium inside. The nozzle structure 42 is detachably connected to the heat exchange plate 41, and the nozzle structure 42 is connected to the heat exchange channel 411. The heat exchange plate 41 includes a plate body 412 and a current collector 413. A plurality of heat exchange channels 411 are provided inside the plate body 412. The current collector 413 is arranged at the end of the plate body 412 to block the plurality of heat exchange channels 411. The nozzle structure 42 is detachably connected to the current collector 413.

[0088] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0089] 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 it. 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 of the technical features therein, but these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A thermal management component, characterized in that: include: A heat exchange plate, which is arranged outside the battery box to exchange heat for the battery cells inside the battery box, and the heat exchange plate is provided with a heat exchange channel for the heat exchange medium to flow; A water nozzle structure is detachably connected to the heat exchange plate, and the water nozzle structure is communicated with the heat exchange flow channel.

2. The thermal management component according to claim 1, characterized in that: The heat exchange plate comprises: A plate body, on which a plurality of heat exchange channels are arranged; The current collector is arranged at the end of the plate body and is used to block the plurality of heat exchange channels. The water nozzle structure is detachably connected to the current collector.

3. The thermal management component according to claim 1, characterized in that: The heat exchange plate is provided with an adapter, and the adapter is provided with a first through hole communicating with the heat exchange flow channel; Part of the faucet structure passes through the first through hole and is clamped with the adapter.

4. The thermal management component according to claim 3, characterized in that: The faucet structure comprises: A faucet body, wherein a claw engaged with the adapter is disposed at the end of the faucet body, and a second through hole communicating with the heat exchange flow channel is formed in the faucet body; The abutment portion is arranged on the outer periphery of the faucet body and abuts against a side of the adapter away from the heat exchange flow channel.

5. The thermal management component according to claim 4, characterized in that: A groove is provided on a side of the adapter away from the heat exchange flow channel; the abutment portion includes: An extension section is arranged on the outer periphery of the faucet body, and the extension section abuts against the adapter; The clamping section is arranged at one end of the extension section away from the faucet body, and the clamping section is arranged in the groove.

6. The thermal management component according to claim 5, characterized in that: The thermal management component further includes a sealing member disposed in the groove, and the sealing member is located on a side of the extension section facing the faucet body.

7. The thermal management component according to claim 5, characterized in that: The adapter comprises: A connecting portion, arranged on the heat exchange plate; A first protruding portion, arranged on a side of the connecting portion away from the heat exchange flow channel; The second protrusion is arranged on a side of the connecting portion away from the heat exchange channel. The first protrusion is close to the second through hole relative to the second protrusion. The groove is formed between the first protrusion and the second protrusion. The groove is arranged around the outer periphery of the first protrusion.

8. The thermal management component according to claim 7, characterized in that: The height of the first protruding portion is smaller than the height of the second protruding portion, and the surface of the extending section facing away from the connecting portion is flush with the surface of the second protruding portion facing away from the connecting portion.

9. A battery, characterized in that: include: Battery cells; A battery box, wherein the battery cells are arranged in the battery box; The thermal management component according to any one of claims 1 to 8, wherein the thermal management component is arranged on a side of the battery box facing away from the battery cell.

10. The battery according to claim 9, characterized in that The battery box comprises: A box body, comprising a bottom plate and a side enclosure arranged on the periphery of the bottom plate, wherein the side enclosure has an opening on a side away from the bottom plate, the battery cell is located in the box body, and the thermal management component is arranged on a side of the bottom plate away from the battery cell; An upper cover is covered on the opening of the box body.

11. An electrical device, characterized in that: Comprising a battery according to claim 9 or 10, the battery is used to provide electrical energy.

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