Heat exchange assembly, box body, battery and electric device

Abstract

The utility model provides a heat exchange assembly, a box body, a battery and an electric device. The heat exchange assembly comprises a conveying mechanism, a flow dividing mechanism and a heat exchange plate, the conveying mechanism comprises a main body and a plurality of connecting parts which are arranged at intervals in the first direction and communicate with the main body, the flow dividing mechanism is arranged on the side, in the second direction, of the conveying mechanism and communicates with the connecting parts, and the heat exchange plate is arranged on the side, in the third direction, of the flow dividing mechanism. A heat exchange flow channel in the heat exchange mechanism is communicated with the shunting mechanism, so that the external environment is communicated with the heat exchange plates through the transmission mechanism and the shunting mechanism to realize input and output of a heat exchange medium in the heat exchange assembly, current collectors do not need to be independently arranged at two ends of a single heat exchange plate, the production cost of the battery is reduced, and the size of the heat exchange assembly is reduced; and the battery energy density is improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a heat exchange component, a box, a battery and an electrical device. Background Art

[0002] As the power source of pure electric vehicles, power batteries are a key link in improving the performance of the entire vehicle. The temperature characteristics of the battery directly affect the performance, life and durability of electric vehicles. How to set up a cooling system in the battery to control the temperature of the battery is crucial for electric vehicles.

[0003] In the prior art, battery heat exchange usually adopts a large-surface water cooling solution. However, the large-surface water cooling solution also has the problem that the cooling system occupies the battery cell arrangement space inside the battery case, resulting in a decrease in battery energy density, which urgently needs to be improved. Utility Model Content

[0004] In view of the above problems, the present application provides a heat exchange component, a housing, a battery and an electrical device, which can reduce the size of the heat exchange component and improve the energy density of the battery.

[0005] In a first aspect, the present application provides a heat exchange component, comprising: a transmission mechanism, comprising a main body and a connecting part, the main body comprising a first chamber for accommodating a heat exchange medium, and a plurality of connecting parts are arranged at intervals along a first direction and connected to the first chamber; a diverter mechanism, arranged on one side of the transmission mechanism in a second direction, and a plurality of diverter mechanisms are connected to the first chamber through the connecting part; a heat exchange plate, a plurality of heat exchange plates, each heat exchange plate is connected to at least one side of each diverter mechanism in a third direction, the heat exchange plate comprises a heat exchange flow channel for accommodating a heat exchange medium, the heat exchange flow channel is connected to the first chamber through the diverter mechanism, and the first direction, the second direction and the third direction intersect with each other.

[0006] In the scheme of the embodiment of the present application, the heat exchange component includes a transmission mechanism, a diverter mechanism and a heat exchange plate. The transmission mechanism includes a main body and a plurality of connection parts arranged at intervals along a first direction and connected to the main body. The diverter mechanism is arranged on one side of the transmission mechanism in the second direction and is respectively connected to the connection parts. The heat exchange plate is arranged on one side of the diverter mechanism in the third direction. The heat exchange flow channel in the heat exchange mechanism is connected to the diverter mechanism. Then, the external environment is connected to the heat exchange plate through the transmission mechanism and the diverter mechanism to realize the input and output of the heat exchange medium in the heat exchange component. There is no need to separately set collectors at both ends of a single heat exchange plate, thereby reducing the battery production cost and reducing the size of the heat exchange component to improve the battery energy density.

[0007] In some embodiments, two heat exchange plates are disposed on both sides of the flow dividing mechanism along the third direction.

[0008] In the technical solution of the embodiment of the present application, two heat exchange plates are arranged on both sides of the diversion mechanism along the third direction, and the flow equalization mechanism can serve as a support rib to support the two heat exchange plates to improve the overall stability of the heat exchange assembly; the heat exchange medium circulates in the heat exchange plates from both sides of the diversion mechanism. Compared with the prior art, the path of a single heat exchange plate in the embodiment of the present application is shortened, thereby increasing the circulation rate of the medium in the single heat exchange plate and improving the heat exchange performance of the heat exchange assembly.

[0009] In some embodiments, two transmission mechanisms are disposed at two ends of the diversion mechanism in the second direction, and the two transmission mechanisms are used to input and output heat exchange medium to the heat exchange plate, respectively.

[0010] In the technical solution of the embodiment of the present application, two transmission mechanisms are arranged at both ends of the diversion mechanism in the second direction, and the two transmission mechanisms are respectively used to input and output heat exchange medium to the heat exchange plate, thereby reducing the size of the heat exchange component in the third direction. Under the action of gravity, the two transmission mechanisms arranged on both sides of the second direction also facilitate the flow of heat exchange medium into and out of the heat exchange plate, thereby improving the heat exchange efficiency.

[0011] In some embodiments, two transmission mechanisms are disposed at the same end of the diversion mechanism in the second direction, and the two transmission mechanisms are used to input and output heat exchange medium to the heat exchange plate, respectively.

[0012] In the technical solution of the embodiment of the present application, two transmission mechanisms are arranged at the same end of the diversion mechanism in its second direction, and the two transmission mechanisms are respectively used to input and output heat exchange medium to the heat exchange plate, thereby reducing the size of the heat exchange component in the second direction. The two transmission mechanisms are arranged on one side of the second direction. After the transmission mechanisms are installed in the battery box, the two transmission mechanisms are located on the opening side of the battery box, thereby reducing the difficulty of maintaining the transmission mechanisms.

[0013] In some embodiments, two flow dividing mechanisms are disposed on both sides of the heat exchange plate along the third direction.

[0014] In the technical solution of the embodiment of the present application, two flow splitting mechanisms are arranged on both sides of the heat exchange plate along the third direction, which reduces the difficulty of assembling the flow equalizing mechanism and the heat exchange plate.

[0015] In some embodiments, the two transmission mechanisms are respectively connected to the diversion mechanism, and the two transmission mechanisms are located at the same end of the heat exchange assembly on the heat exchange plate in the second direction.

[0016] In the technical solution of the embodiment of the present application, the two transmission mechanisms are respectively connected to the diversion mechanism, and the two transmission mechanisms are located at the same end of the heat exchange assembly on the heat exchange plate in the second direction, which reduces the difficulty of preparing the heat exchange assembly. After the transmission mechanism is installed in the battery box, the two transmission mechanisms are located on the opening side of the battery box, which can reduce the difficulty of maintaining the transmission mechanism.

[0017] In some embodiments, at least a portion of the surface of a side of the main body facing away from the diversion mechanism is flat.

[0018] In the technical solution of the embodiment of the present application, at least part of the surface of the side of the main body facing away from the diversion mechanism is flat, so as to increase the volume of the main body, improve the heat exchange efficiency of the heat exchange component, reduce the size of the heat exchange component in the second direction, and increase the energy density of the battery. The plane of the side of the main body facing away from the separation mechanism is also convenient for cooperation with the battery shell, thereby improving the stability of the heat exchange component.

[0019] In some embodiments, the diverter mechanism includes a second chamber connecting the transmission mechanism and the heat exchange plate, and the diverter mechanism is provided with a first connecting hole at at least one end in the second direction, and the connecting portion extends into the first connecting hole and connects with the second chamber.

[0020] In the technical solution of the embodiment of the present application, the diversion mechanism includes a second chamber connecting the transmission mechanism and the heat exchange plate, the diversion mechanism includes a first connecting hole, the connecting part of the transmission mechanism extends into the first connecting hole and is connected with the second chamber, and the connection reliability of the transmission mechanism and the diversion mechanism is improved, and the difficulty of matching the transmission mechanism and the diversion mechanism is reduced through the plug-in connection method between the connecting part and the first connecting hole.

[0021] In some embodiments, a plurality of heat exchange channels are spaced apart along the second direction on one side of the heat exchange plate facing the diversion mechanism, and a block and a second connecting hole are spaced apart on the surface of the side of the diversion mechanism facing the heat exchange plate, the heat exchange channel is connected to the second chamber through the second connecting hole, and the block is accommodated in the heat exchange channel so that the block can block the heat exchange channel.

[0022] In the technical solution of the embodiment of the present application, a plurality of heat exchange channels are arranged at intervals along the second direction on one side of the heat exchange plate facing the diverter mechanism, and blocks and second connecting holes are arranged at intervals on the surface of the diverter mechanism facing the heat exchange plate. By arranging the second connecting holes and blocks on the diverter mechanism, the circulation path of the heat exchange medium in the heat exchange plate is planned, so that the diverter mechanism integrates the functions of the flow collector and the liquid partition plate, so as to reduce the preparation cost of the heat exchange component and improve the heat exchange performance of the heat exchange component.

[0023] In some embodiments, the main body includes a first segment, a second segment and a transfer mechanism, the connecting part is arranged on the second segment, the first segment is used to pass through the battery box and communicate with the outside world, the transfer mechanism is arranged between the first segment and the second segment, and the transfer mechanism is respectively provided with a first interface and a second interface on the two side surfaces of the first direction thereof, the first interface and the second interface are communicated, the first segment is connected to the first interface, and the second interface is connected to the second segment.

[0024] In the technical solution of the embodiment of the present application, part of the main body needs to pass through the battery case, so the main body is divided into a first section and a second section, and the first section and the second section are connected by a switching mechanism to facilitate the assembly of the heat exchange component and the battery case, and the first section and the second section of the main body are respectively connected to the first interface and the second interface of the switching mechanism, thereby allowing the main body to adopt different pipelines to suit different usage environments.

[0025] In some embodiments, the second interface is disposed away from the diversion mechanism.

[0026] In the technical solution of the embodiment of the present application, the second interface is arranged away from the diversion mechanism in the second direction to reduce the overall size of the heat exchange component in the second direction, improve the battery energy density, and reduce the risk of interference between the adapter structure and the battery box.

[0027] In some embodiments, the cross-sectional area of ​​the adapter mechanism gradually increases from the first interface to the second interface.

[0028] In the technical solution of the embodiment of the present application, the cross-sectional area of ​​the adapter mechanism gradually increases from the first interface to the second interface to increase the contact area between the adapter structure and other components and improve the stability of the heat exchange assembly.

[0029] In a second aspect, an embodiment of the present application provides a box body, comprising a heat exchange component as in the embodiment of the first aspect.

[0030] In a third aspect, an embodiment of the present application provides a battery, comprising a housing and a battery cell of the embodiment of the second aspect; the battery cell is accommodated in the housing, and the heat exchange assembly is in contact with the battery cell and is used for heat exchange with the battery cell.

[0031] In a fourth aspect, an embodiment of the present application provides an electrical device, comprising a battery as in the embodiment of the third aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0033] Figure 1 A schematic diagram of the structure of a vehicle provided in one embodiment of the present application;

[0034] Figure 2 An exploded schematic diagram of a battery provided in one embodiment of the present application;

[0035] Figure 3 A schematic diagram of the structure of a battery module in a battery provided in an embodiment of the present application;

[0036] Figure 4 An exploded view of a heat exchange assembly provided in an embodiment of the present application;

[0037] Figure 5 A schematic diagram of the structure of a battery provided in an embodiment of the present application;

[0038] Figure 6 A schematic diagram of a portion of the structure of a heat exchange assembly provided in an embodiment of the present application;

[0039] Figure 7 A schematic diagram of the structure of a battery provided in an embodiment of the present application;

[0040] Figure 8 A schematic diagram of a portion of the structure of a heat exchange assembly provided in an embodiment of the present application;

[0041] Fig. 9 A schematic diagram of the structure of a battery provided in an embodiment of the present application;

[0042] Fig.10 A schematic diagram of the structure of the flow diversion mechanism of the heat exchange assembly provided in an embodiment of the present application;

[0043] Fig.11 for Fig. 9 The enlarged structural diagram at A in the middle;

[0044] Fig.12 A schematic diagram of the structure of the switching mechanism of the heat exchange assembly provided in an embodiment of the present application;

[0045] Fig.13 A schematic diagram of the structure of the switching mechanism of the heat exchange assembly provided in an embodiment of the present application.

[0046] Description of reference numerals:

[0047] 1. Vehicle; 2. Battery; 101. Motor; 102. Controller; 202. Box; 2021. First box portion; 2022. Second box portion; 201. Battery module; 3. Battery cell;

[0048] 4. Heat exchange components;

[0049] 5. Transmission mechanism; 51. Main body; 52. Connecting part; 511. First segment; 512. Second segment; 53. Transfer mechanism; 531. First interface; 532. Second interface;

[0050] 6. diversion mechanism; 61. first communicating hole; 62. blocking block; 63. second communicating hole; 64. fixing block;

[0051] 7. heat exchange plate; 71. heat exchange channel; 73. body; 74. plugging piece. DETAILED DESCRIPTION

[0052] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0053] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the embodiments of the present application should have the common meanings understood by technicians in the field to which the embodiments of the present application belong.

[0054] In the description of the embodiments of the present application, the orientations or positional relationships indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" are based on the orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0055] In addition, the technical terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0056] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0057] 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.

[0058] 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.

[0059] 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.

[0060] Energy conservation and emission reduction are the key to the sustainable development of the automobile industry. Electric vehicles have become an important part of the sustainable development of the automobile industry due to their advantages of energy conservation and environmental protection. For electric vehicles, battery technology is an important factor related to their development. As the power source of pure electric vehicles, power batteries are a key link in improving the performance of the entire vehicle. The temperature characteristics of batteries directly affect the performance, life and durability of electric vehicles. How to set up a cooling system in the battery to control the temperature of the battery is crucial for electric vehicles.

[0061] At present, battery heat exchange usually adopts a large-surface water cooling solution. However, this large-surface water cooling solution also has the problem that the cooling system occupies the battery cell layout space inside the battery box, resulting in a decrease in battery energy density.

[0062] When a heat exchange assembly is set in a battery box, current collectors need to be set at both ends of each heat exchange plate. The heat exchange medium enters and exits the heat exchange plate from the current collectors at both ends of the heat exchange plate. A large number of current collectors need to be set in the heat exchange assembly, which occupies a large amount of space in the box and increases the material cost of the heat exchange assembly.

[0063] Based on the above problems, the present application provides a heat exchange component, which includes a transmission mechanism, a diversion mechanism and a heat exchange plate. The transmission mechanism includes a main body and a plurality of connecting parts arranged at intervals along a first direction and connected to the main body. The diversion mechanism is arranged on one side of the transmission mechanism in the second direction and is respectively connected to the connecting parts. The heat exchange plate is arranged on one side of the diversion mechanism in the third direction. The heat exchange flow channel in the heat exchange mechanism is connected to the diversion mechanism, and the external environment is connected to the heat exchange plate through the transmission mechanism and the diversion mechanism to realize the input and output of the heat exchange medium in the heat exchange component. There is no need to separately set collectors at both ends of a single heat exchange plate, thereby reducing the battery production cost and reducing the size of the heat exchange component to improve the battery energy density.

[0064] The technical solution described in the embodiments of the present application is applicable to electrical devices using batteries.

[0065] The electrical device may be a vehicle, a mobile phone, a portable device, a laptop computer, a ship, a spacecraft, an electric toy, an electric tool, and the like. The vehicle 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, and the like; the spacecraft may include an airplane, a rocket, a space shuttle, and a spacecraft, and the like; 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, and the like; the electric tool may include a metal cutting electric tool, a grinding electric tool, an assembly electric tool, and an electric tool for railways, such as an electric drill, an electric grinder, an electric wrench, an electric screwdriver, an electric hammer, an impact drill, a concrete vibrator, and an electric planer, and the like. The embodiments of the present application do not impose any special restrictions on the above-mentioned electrical devices.

[0066] It should be understood that the technical solutions described in the embodiments of the present application are not limited to the batteries and electrical equipment described above, but can also be applied to all batteries including a box and electrical equipment using the battery. However, for the sake of simplicity, the following embodiments are described using electric vehicles as an example.

[0067] Please refer to Figure 1 , Figure 1 A schematic diagram of the structure of a vehicle 1 provided for some embodiments of the present application. Vehicle 1 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 2 is provided inside the vehicle 1, and the battery may be provided at the bottom, head or tail of the vehicle 1. Battery 2 may be used to power the vehicle 1, for example, battery 2 may be used as an operating power source for the vehicle 1. Vehicle 1 may also include a controller 102 and a motor 101, and the controller 102 is used to control the battery to power the motor 101, for example, for starting, navigating and operating power requirements of the vehicle 1 during driving.

[0068] In some embodiments of the present application, the battery can be used not only as an operating power source for the vehicle 1 , but also as a driving power source for the vehicle 1 , replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1 .

[0069] In order to meet different power requirements, the battery 2 may include a plurality of battery cells, and a battery cell refers to the smallest unit that constitutes a battery module or a battery pack. A plurality of battery cells can be connected in series and / or in parallel via electrode terminals for use in various applications. The battery 2 mentioned in the present application includes a battery module or a battery pack. Among them, a plurality of battery cells can be connected in series, in parallel, or in mixed connection, and mixed connection refers to a mixture of series and parallel connection. In the embodiments of the present application, a plurality of battery cells can directly constitute a battery pack, or they can first constitute a battery module, and then the battery module constitutes a battery pack.

[0070] Figure 2A schematic structural diagram of a battery 2 according to an embodiment of the present application is shown.

[0071] like Figure 2 As shown, the battery includes a housing 202 and a battery cell (not shown), and the battery cell is accommodated in the housing 202 .

[0072] The box 202 may be a simple three-dimensional structure such as a single cuboid, cylinder or sphere, or a complex three-dimensional structure composed of simple three-dimensional structures such as cuboids, cylinders or spheres. The box 202 may be made of alloy materials such as aluminum alloy, iron alloy, polymer materials such as polycarbonate, polyisocyanurate foam plastic, or composite materials such as glass fiber and epoxy resin.

[0073] The box 202 is used to accommodate the battery cells, and the box 202 can be of various structures. In some embodiments, the box 202 can include a first box portion 2021 and a second box portion 2022, the first box portion 2021 and the second box portion 2022 cover each other, and the first box portion 2021 and the second box portion 2022 jointly define a storage space for accommodating the battery cells 3. The second box portion 2022 can be a hollow structure with one end open, the first box portion 2021 is a plate-like structure, and the first box portion 2021 covers the open side of the second box portion 2022 to form a box 202 with a storage space; the first box portion 2021 and the second box portion 2022 can also be hollow structures with one side open, and the open side of the first box portion 2021 covers the open side of the second box portion 2022 to form a box 202 with a storage space. Of course, the first box body 2021 and the second box body 2022 can be in various shapes, such as a cylinder, a cuboid, etc.

[0074] In order to improve the sealing performance after the first box body 2021 and the second box body 2022 are connected, a sealing member, such as a sealant, a sealing ring, etc., may also be provided between the first box body 2021 and the second box body 2022 .

[0075] Assuming that the first box body portion 2021 covers the top of the second box body portion 2022 , the first box body portion 2021 can also be referred to as an upper box cover, and the second box body portion 2022 can also be referred to as a lower box cover.

[0076] In the battery 2, there can be one or more battery cells. If there are multiple battery cells, the multiple battery cells can be connected in series, in parallel, or in mixed connection. Mixed connection means that multiple battery cells are connected in series and in parallel. Multiple battery cells can be directly connected in series, in parallel, or in mixed connection, and then the whole formed by the multiple battery cells can be accommodated in the box 202; of course, multiple battery cells can also be connected in series, in parallel, or in mixed connection to form a battery module 201, and then multiple battery modules 201 can be connected in series, in parallel, or in mixed connection to form a whole, and then accommodated in the box 202.

[0077] Figure 3 A schematic structural diagram of a battery module 201 according to an embodiment of the present application is shown.

[0078] In some embodiments, Figure 2 and Figure 3 As shown, there are multiple battery cells 3, and the multiple battery cells 3 are first connected in series, in parallel, or in mixed series to form a battery module 201. The multiple battery modules 201 are then connected in series, in parallel, or in mixed series to form a whole, and are accommodated in the box 202.

[0079] The multiple battery cells 3 in the battery module 201 can be electrically connected via a busbar component to achieve parallel connection, series connection, or mixed connection of the multiple battery cells 3 in the battery module 201 .

[0080] In the present application, the battery cell 3 may include a lithium-ion battery cell 3, a sodium-ion battery cell 3, or a magnesium-ion battery cell 3, etc., and the embodiments of the present application do not limit this. The battery cell 3 may be cylindrical, flat, rectangular, or in other shapes, etc., and the embodiments of the present application do not limit this. The battery cell 3 is 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. However, for the sake of simplicity, the following embodiments are all described using square battery cells 3 as an example.

[0081] See also Figure 4 and Figure 5 , Figure 4 An exploded view of a heat exchange assembly provided in an embodiment of the present application; Figure 5 A schematic diagram of the structure of a battery provided in an embodiment of the present application.

[0082] First, as Figure 4 and Figure 5As shown, the present application provides a heat exchange component 4, which includes a transmission mechanism 5, a diverter mechanism 6 and a heat exchange plate 7. The transmission mechanism 5 includes a main body 51 and a connecting portion 52. The main body 51 includes a first chamber for accommodating a heat exchange medium. A plurality of connecting portions 52 are arranged at intervals along a first direction X and are connected to the first chamber. The diverter mechanism 6 is arranged on one side of the transmission mechanism 5 in a second direction Y. The plurality of diverter mechanisms 6 are connected to the first chamber through the connecting portion 52. There are a plurality of heat exchange plates 7, each of which is connected to at least one side of each diverter mechanism 6 in a third direction Z. The heat exchange plate 7 includes a heat exchange flow channel (not shown) for accommodating a heat exchange medium. The heat exchange flow channel is connected to the first chamber through the diverter mechanism 6. The first direction X, the second direction Y and the third direction Z intersect with each other.

[0083] In the scheme of the embodiment of the present application, the heat exchange component 4 includes a transmission mechanism 5, a diverter mechanism 6 and a heat exchange plate 7. The transmission mechanism 5 includes a main body 51 and a plurality of connection parts 52 arranged at intervals along a first direction X and connected to the main body 51. The diverter mechanism 6 is arranged on one side of the transmission mechanism 5 in the second direction Y and is respectively connected to the connection parts 52. The heat exchange plate 7 is arranged on one side of the diverter mechanism 6 in the third direction Z. The heat exchange flow channel in the heat exchange mechanism is connected to the diverter mechanism 6. Then, the external environment is connected to the heat exchange plate 7 through the transmission mechanism 5 and the diverter mechanism 6 to realize the input and output of the heat exchange medium in the heat exchange component 4. There is no need to separately set collectors at both ends of a single heat exchange plate 7, thereby reducing the production cost of the battery 2 and reducing the size of the heat exchange component 4 to improve the energy density of the battery 2.

[0084] The heat exchange assembly 4 in the embodiment of the present application is applied to the battery 2, and the battery cell 3 is in contact with the heat exchange assembly 4, and the heat exchange medium in the heat exchange assembly 4 circulates to achieve heat exchange between the heat exchange assembly 4 and the battery cell 3. Specifically, a low-temperature heat exchange medium is provided in the heat exchange assembly 4 so that the heat exchange assembly 4 can be used to cool the battery cell 3; or a high-temperature heat exchange medium is provided in the heat exchange assembly 4 so that the heat exchange assembly 4 can be used to heat the battery cell 3.

[0085] The heat exchange assembly 4 in the embodiment of the present application includes a transmission mechanism 5 , a flow diversion structure and a heat exchange plate 7 .

[0086] Specifically, the transmission mechanism 5 includes a main body 51 and a connecting portion 52. The heat exchange component 4 is connected to the outside through the main body 51, so that the heat exchange medium can enter and flow out of the heat exchange component 4 through the main body 51, and the heat exchange medium entering the main body 51 enters the diversion mechanism 6 through the connecting portion 52.

[0087] Optionally, the main body 51 is a continuously extended pipeline. Then, compared with the collector pipeline in the prior art, the main body 51 in the embodiment of the present application reduces the number of sealing surfaces or mating surfaces, thereby improving the sealing performance of the heat exchange component 4.

[0088] The connection part 52 is used to connect the main body 51 and the diverter mechanism 6. Exemplarily, the connection part 52 can be through holes arranged at intervals along the first direction X on the main body 51, or the connection part 52 can be pipelines arranged at intervals along the first direction X on the main body 51. Exemplarily, the connection part 52 is a hose.

[0089] Optionally, the connection portions 52 are evenly spaced and equidistantly arranged in the first direction X, so as to facilitate arrangement of the battery cells 3 between adjacent heat exchange plates 7 .

[0090] The flow-dividing mechanism 6 is connected to the main body 51 through the connecting portion 52 , and a plurality of flow-dividing mechanisms 6 and connecting portions 52 are arranged in a one-to-one correspondence.

[0091] The heat exchange plate 7 is connected to one or both sides of the diverter mechanism 6 in the third direction Z. The heat exchange plate 7 includes a heat exchange channel 71 for accommodating a heat exchange medium so that the heat exchange medium of the diverter mechanism 6 can enter the heat exchange channel. A plurality of heat exchange plates 7 and the diverter mechanism 6 are arranged correspondingly. Optionally, the heat exchange plate 7 includes at least two heat exchange channels arranged at intervals in the second direction Y.

[0092] Specifically, the heat exchange medium input process of the heat exchange component 4 is that the heat exchange medium enters the first chamber of the main body 51, and the sum enters the diverter mechanism 6 through the connection part 52, and enters the heat exchange flow channel of the heat exchange plate 7 from the diverter mechanism 6. The heat exchange medium output process of the heat exchange component 4 is that the heat exchange medium enters the diverter mechanism 6 from the heat exchange plate 7, and then enters the first chamber of the main body 51 from the connection part 52, and flows into the outside from the main body 51.

[0093] See also Figure 6 , Figure 6 A partial structural schematic diagram of the heat exchange assembly provided in an embodiment of the present application.

[0094] In some embodiments, Figures 4 to 6 As shown, two heat exchange plates 7 are arranged along the third direction Z on both sides of the flow dividing mechanism 6 .

[0095] In these embodiments, the two heat exchange plates 7 are arranged on both sides of the diversion mechanism 6 along the third direction Z, and the flow equalization mechanism can serve as a support rib to support the two heat exchange plates 7 to improve the overall stability of the heat exchange component 4; the heat exchange medium circulates in the heat exchange plates 7 from both sides of the diversion mechanism 6. Compared with the prior art, the path of a single heat exchange plate 7 in the embodiment of the present application is shortened, thereby increasing the circulation rate of the medium in the single heat exchange plate 7 and improving the heat exchange performance of the heat exchange component 4.

[0096] The two heat exchange plates 7 are arranged on both sides of the flow dividing mechanism 6 along the third direction Z, and the flow dividing mechanism 6 supports the heat exchange plates 7 connected to both sides thereof. For the heat exchange assembly 4 arranged in the battery box 202 of the same size, the single heat exchange plate 7 arranged on one side of the flow equalizing mechanism in the embodiment of the present application is shorter in the third direction Z than the single heat exchange plate 7 in the prior art. Therefore, under the action of external force, the heat exchange plate 7 in the embodiment of the present application is less deformed and has stronger structural stability.

[0097] The heat exchange medium in the main body 51 enters the heat exchange plate 7 through the flow dividing mechanism 6, and forms an independent circulation in the two heat exchange plates 7. Since the heat exchange plate 7 in the embodiment of the present application is shorter in the third direction Z than the heat exchange plate 7 in the prior art, the flow rate of the medium in the heat exchange plate 7 in the embodiment of the present application is greater than that in the prior art, thereby enhancing the heat exchange performance of the heat exchange assembly 4.

[0098] Optionally, the heat exchange plates 7 connected to the same diversion structure have the same size in the third direction Z, so as to make the heat exchange effect of each heat exchange plate 7 uniform and improve the heat exchange uniformity of the heat exchange assembly 4.

[0099] Optionally, the heat exchange plate 7 includes a plate body 73 and a plug 74. The body 73 is connected to the diversion mechanism 6 at one end in the third direction Z and is connected to the plug 74 at the other end. The plug 74 is used to block the heat exchange channel 71 and plan the flow path of the heat exchange medium in the body 73.

[0100] In some embodiments, Figures 4 to 6 As shown, the two transmission mechanisms 5 are respectively arranged at the two ends of the diversion mechanism 6 in the second direction Y, and the two transmission mechanisms 5 are used to input and output heat exchange medium to the heat exchange plate 7 respectively.

[0101] In these embodiments, the two transmission mechanisms 5 are disposed at both ends of the diversion mechanism 6 in the second direction Y, and the two transmission mechanisms 5 are respectively used to input and output heat exchange medium to the heat exchange plate 7, thereby reducing the size of the heat exchange component 4 in the third direction Z. Under the action of gravity, the two transmission mechanisms 5 disposed on both sides of the second direction Y also facilitate the flow of heat exchange medium into and out of the heat exchange plate 7, thereby improving the heat exchange efficiency.

[0102] The two transmission mechanisms 5 are arranged opposite to each other along the second direction Y, and the two transmission mechanisms 5 are respectively used to input and output heat exchange medium to the diversion mechanism 6.

[0103] The two transmission mechanisms 5 are respectively arranged at the two ends of the diversion mechanism 6 in the second direction Y. The heat exchange medium flows into and out of the first chamber through the ports of the transmission mechanism 5. The ports of the two transmission mechanisms 5 are arranged at the same end in the first direction X to reduce the size of the heat exchange component 4 in the first direction X.

[0104] See also Figure 7 , Figure 7 A schematic diagram of the structure of a battery provided in an embodiment of the present application.

[0105] In some embodiments, Figure 4 , Figure 6 and Figure 7 As shown, the two transmission mechanisms 5 are arranged at the same end of the diversion mechanism 6 in the second direction Y, and the two transmission mechanisms 5 are used to input and output heat exchange medium to the heat exchange plate 7 respectively.

[0106] In these embodiments, the two transmission mechanisms 5 are arranged at the same end of the diversion mechanism 6 in the second direction Y, and the two transmission mechanisms 5 are respectively used to input and output heat exchange medium to the heat exchange plate 7, thereby reducing the size of the heat exchange component 4 in the second direction Y. The two transmission mechanisms 5 are arranged on one side of the second direction Y. Then, after the transmission mechanisms 5 are installed in the battery 2 box 202, the two transmission mechanisms 5 are located on the opening side of the battery 2 box 202, thereby reducing the difficulty of maintaining the transmission mechanisms 5.

[0107] The two transmission mechanisms 5 are arranged along the third direction Z, and the two transmission mechanisms 5 are used to input and output heat exchange medium to the diversion mechanism 6 respectively.

[0108] The ports of the two transmission mechanisms 5 are arranged in the same direction in the first direction X to reduce the size of the heat exchange component 4 in the first direction X.

[0109] See also Figure 8 and Fig. 9 , Figure 8 A schematic diagram of a portion of the structure of a heat exchange assembly provided in an embodiment of the present application; Fig. 9 A schematic diagram of the structure of a battery provided in an embodiment of the present application.

[0110] In some embodiments, Figure 8 and Fig. 9 As shown, two flow dividing mechanisms 6 are arranged along the third direction Z on both sides of the heat exchange plate 7 .

[0111] In these embodiments, the two flow dividing mechanisms 6 are disposed on both sides of the heat exchange plate 7 along the third direction Z, so as to reduce the difficulty of assembling the flow balancing mechanism and the heat exchange plate 7 .

[0112] The two shunt mechanisms 6 are arranged on both sides of the heat exchange plate 7 along the third direction Z, and the shunt mechanism 6 is arranged between the battery 2 and the heat exchange plate 7. The shunt mechanism 6 has the effect of reducing the squeeze and collision damage between the heat exchange plate 7 and the battery 2 box 202.

[0113] The two flow dividing mechanisms 6 are arranged on both sides of the heat exchange plate 7 along the third direction Z, so that the heat exchange medium enters the heat exchange plate 7 from one flow dividing mechanism 6, and the heat exchange medium flows out from the heat exchange plate 7 through the other flow dividing mechanism 6. The two flow dividing mechanisms 6 are each connected to a transmission mechanism 5, and the transmission mechanism 5 can be arranged on one side of the flow dividing mechanism 6 in the second direction Y.

[0114] In some embodiments, Figure 8 and Fig. 9 As shown, the two transmission mechanisms 5 are respectively connected to the diversion mechanism 6, and the two transmission mechanisms 5 are located at the same end of the heat exchange plate 7 in the second direction Y of the heat exchange assembly (not shown).

[0115] In these embodiments, the two transmission mechanisms 5 are respectively connected to the diversion mechanism 6, and the two transmission mechanisms 5 are located at the same end of the heat exchange assembly on the heat exchange plate 7 in the second direction Y, which reduces the difficulty of preparing the heat exchange assembly, and after the transmission mechanism 5 is installed in the battery 2 box 202, the two transmission mechanisms 5 are located on the opening side of the battery 2 box 202, which can reduce the difficulty of maintaining the transmission mechanism 5.

[0116] Specifically, the transmission mechanism 5 is disposed on one side of the battery 2 box 202 close to the cover plate of the battery 2 box 202 in the second direction Y, which reduces the difficulty of assembling the heat exchange component and the battery 2 box 202 and facilitates the inspection of the transmission mechanism 5 of the heat exchange component.

[0117] In some embodiments, Figure 4 and Figure 5 As shown, at least a portion of the surface of the side of the main body 51 facing away from the diverter mechanism 6 is flat.

[0118] In these embodiments, at least a portion of the surface of the side of the main body 51 that is away from the diversion mechanism 6 is flat, so as to increase the volume of the main body 51 and improve the heat exchange efficiency of the heat exchange component 4, while reducing the size of the heat exchange component 4 in the second direction Y, thereby increasing the energy density of the battery 2. The plane of the side of the main body 51 that is away from the separation mechanism is also convenient for cooperation with the battery 2 shell, thereby improving the stability of the heat exchange component 4.

[0119] In the battery 2, the main body 51 of the heat exchange assembly 4 is arranged between two adjacent battery cells 3. In order to increase the diameter of the main body 51 or increase the volume of the main body 51, it is necessary to set the surface of the side of the main body 51 away from the diversion mechanism 6 to be flush with the battery cell 3, so that the heat exchange assembly 4 does not exceed the battery cell 3 in the second direction Y, and at the same time, the diameter or volume of the main body 51 is maximized to improve the heat exchange efficiency of the heat exchange assembly 4. Exemplarily, the main body 51 is a flat tube as a whole.

[0120] Exemplarily, the main body 51 is a rectangular tube, and both side surfaces of the rectangular tube in the third direction Z are in contact with the shell of the battery cell 3 .

[0121] See also Fig.10 , Fig.10 A schematic diagram of the structure of the diversion mechanism of the heat exchange assembly provided in an embodiment of the present application.

[0122] In some embodiments, Figure 4 and Fig.10 As shown, the diverter mechanism 6 includes a second chamber connecting the transmission mechanism 5 and the heat exchange plate 7, and the diverter mechanism 6 is provided with a first connecting hole 61 at at least one end in the second direction Y, and the connecting portion 52 extends into the first connecting hole 61 and connects with the second chamber.

[0123] In these embodiments, the diverter mechanism 6 includes a second chamber connected to the transmission mechanism 5 and the heat exchange plate 7, the diverter mechanism 6 includes a first connecting hole 61, the connecting portion 52 of the transmission mechanism 5 extends into the first connecting hole 61 and is connected to the second chamber, and the plug-in connection between the connecting portion 52 and the first connecting hole 61 improves the connection reliability of the transmission mechanism 5 and the diverter mechanism 6, and also reduces the difficulty of matching the transmission mechanism 5 and the diverter mechanism 6.

[0124] The setting position and setting number of the first connecting holes 61 of the flow balancing mechanism should match those of the transmission mechanism 5. Specifically, if two transmission mechanisms 5 are respectively arranged on both sides of the flow dividing mechanism 6 in the second direction Y, the flow dividing mechanism 6 is provided with a first connecting hole 61 at each end of the flow dividing mechanism 6 in the second direction Y; or if two transmission mechanisms 5 are arranged on the same side of the flow dividing mechanism 6 in the second direction Y, the flow dividing mechanism 6 is provided with two first connecting holes 61 at one end of the flow dividing mechanism 6 in the second direction Y.

[0125] Optionally, a sealing member is provided between the first communication hole 61 and the connecting portion 52. Exemplarily, the sealing member is a sealing ring or a sealing glue.

[0126] In some embodiments, Figure 4 and Fig.10 As shown, a plurality of heat exchange channels 71 are arranged at intervals along the second direction Y on one side of the heat exchange plate 7 facing the diverter mechanism 6, and blocking blocks 62 and second connecting holes 63 are arranged at intervals on the surface of the diverter mechanism 6 facing the heat exchange plate 7. The heat exchange channel 71 is connected to the second chamber through the second connecting hole 63, and the blocking blocks 62 are accommodated in the heat exchange channel 71 so that the blocking blocks 62 can block the heat exchange channel 71.

[0127] In these embodiments, a plurality of heat exchange channels 71 are arranged at intervals along the second direction Y on one side of the heat exchange plate 7 facing the diverter mechanism 6, and blocks 62 and second connecting holes 63 are arranged at intervals on the surface of the diverter mechanism 6 facing the heat exchange plate 7. By arranging the second connecting holes 63 and the blocks 62 on the diverter mechanism 6, the circulation path of the heat exchange medium in the heat exchange plate 7 is planned, so that the diverter mechanism 6 integrates the functions of the collector and the liquid barrier plate, thereby reducing the preparation cost of the heat exchange component 4 and improving the heat exchange performance of the heat exchange component 4.

[0128] The heat exchange plate 7 includes a plurality of heat exchange channels 71 arranged at intervals in the second direction Y. During the actual use of the heat exchange assembly 4, the heat exchange medium can be flexibly selected to be injected into a few specific heat exchange channels 71, so that a blocking block 62 is provided on the diverter mechanism 6, and the heat exchange channels 71 that do not need to be injected with the heat exchange medium are blocked by the blocking block 62. The diverter mechanism 6 is also provided with at least two second connecting holes 63, and the heat exchange channels 71 injected with the heat exchange medium in the heat exchange plate 7 are connected with the second connecting holes 63, so that the medium circulation is realized between the heat exchange plate 7 and the diverter mechanism 6, and the heat exchange medium can enter the second chamber from the heat exchange channel 71 through the second channel opening, and the heat exchange medium can enter the heat exchange channel 71 from the second chamber through the second channel opening.

[0129] Specifically, a blocking block 62 is protruding from the diverter mechanism 6 , and the shape of the blocking block 62 matches the shape of the heat exchange channel 71 , so that the blocking block 62 can block the heat exchange channel 71 .

[0130] Optionally, a fixing block 64 is protruding from the diversion mechanism 6, and the fixing block 64 and the blocking block 62 are spaced apart along the second direction Y. The blocking block 62 and the fixing block 64 respectively extend into two adjacent heat exchange channels 71 in the second direction Y, and the channel wall between the two adjacent heat exchange channels 71 is clamped between the blocking block 62 and the fixing block 64 to improve the connection stability between the heat exchange plate 7 and the diversion mechanism 6.

[0131] Optionally, a plurality of second flow openings are arranged at intervals along the second direction Y on the flow dividing mechanism 6 , so that the heat exchange medium circulates along a curved path in the heat exchange plate 7 , thereby improving the heat exchange effect of the heat exchange plate 7 .

[0132] See also Figures 11 to 13 , Fig.11 for Fig. 9 The enlarged structural diagram at A in the middle; Fig.12 A schematic diagram of the structure of the switching mechanism of the heat exchange assembly provided in an embodiment of the present application; Fig.13 A schematic diagram of the structure of the switching mechanism of the heat exchange assembly provided in an embodiment of the present application.

[0133] In some embodiments, Fig. 9 , Figures 11 to 13 As shown, the main body 51 includes a first segment 511, a second segment 512 and a switching mechanism 53, the connecting portion 52 is arranged in the second segment 512, the first segment 511 is used to penetrate the battery 2 box 202 and communicate with the outside, the switching mechanism 53 is arranged between the first segment 511 and the second segment 512, and the switching mechanism 53 is respectively provided with a first interface 531 and a second interface 532 on the two side surfaces of the first direction X thereof, the first interface 531 and the second interface 532 are communicated, the first segment 511 is connected to the first interface 531, and the second interface 532 is connected to the second segment 512.

[0134] In these embodiments, part of the main body 51 needs to pass through the battery 2 case 202, so the main body 51 is divided into a first section 511 and a second section 512, and the first section 511 and the second section 512 are connected by a switching mechanism 53 to facilitate the assembly of the heat exchange component (not shown) and the battery 2 case 202, and the first section 511 and the second section 512 of the main body 51 are respectively connected to the first interface 531 and the second interface 532 of the switching mechanism 53, thereby allowing the main body 51 to use different pipelines to adapt to different usage environments.

[0135] After the heat exchange assembly is assembled with the battery 2 box 202, part of the main body 51 of the heat exchange assembly needs to extend out of the battery 2 box 202 to facilitate the input and output of the heat exchange medium from the outside to the pipeline of the main body 51. The main body 51 is thus split into a first segment 511 and a second segment 512, which are connected by a transition structure to facilitate the assembly of the heat exchange assembly and the battery 2 box 202. Optionally, the side of the second segment 512 away from the diversion mechanism 6 is a plane.

[0136] The shapes of the first interface 531 and the second interface 532 of the switching mechanism 53 match the first segment 511 and the second segment 512. For example, in order to increase the volume of the main body 51, the second segment 512 is set as a flat tube or a special-shaped tube, and the second interface 532 is a flat tube interface or a special-shaped tube interface; considering that the flat tube or the special-shaped tube is not easy to connect with the external pipeline, the first segment 511 for connecting with the outside world can be set as a round tube, and the first interface 531 is a round tube interface.

[0137] Optionally, the transfer structure includes a hollow chamber, and the first interface 531 and the second interface 532 are connected through the hollow chamber.

[0138] In some embodiments, Fig. 9 , Figures 11 to 13 As shown, the second interface 532 is arranged away from the diversion mechanism 6 .

[0139] In these embodiments, the second interface 532 is arranged away from the diversion mechanism 6 in the second direction Y to reduce the overall size of the heat exchange assembly in the second direction Y, improve the energy density of the battery 2, and reduce the risk of interference between the adapter structure and the battery 2 box 202.

[0140] “The second interface 532 is arranged away from the diverter mechanism 6” means that the adapter structure includes a first surface arranged toward the diverter mechanism 6, the second interface 532 is opened on the first surface, the first surface is equally divided into a first part and a second part along the second direction Y, the first part is arranged away from the diverter mechanism 6, and thus the second interface 532 is opened on the first part of the first surface. Specifically, the center of the second interface 532 can be arranged on the first part of the first surface.

[0141] Optionally, the surface of one end of the adapter mechanism 53 in the second direction Y close to the second interface 532 is a plane, so that the adapter structure can be easily fitted with the battery 2 box 202, thereby improving the stability of the heat exchange assembly.

[0142] In some embodiments, Fig.13 As shown, the cross-sectional area of ​​the switching mechanism 53 gradually increases from the first interface 531 to the second interface 532 .

[0143] In these embodiments, the cross-sectional area of ​​the adapter mechanism 53 gradually increases from the first interface 531 to the second interface 532 to increase the contact area between the adapter structure and other components and improve the stability of the heat exchange assembly.

[0144] “The cross-sectional area of ​​the transition mechanism 53 gradually increases”. Here, the cross-sectional area of ​​the transition structure along the direction from the first interface 531 to the second interface 532 may increase linearly or nonlinearly.

[0145] Optionally, the surface of one side of the second interface 532 of the adapter structure is set to be a plane, so that the adapter structure and other components can fit better.

[0146] In a second aspect, an embodiment of the present application provides a box body, comprising a heat exchange component as in the embodiment of the first aspect.

[0147] The box provided in the embodiment of the present application has the same technical effect as the heat exchange component provided in any of the above embodiments, which will not be described in detail here.

[0148] In a third aspect, an embodiment of the present application provides a battery, comprising a housing and a battery cell of the embodiment of the second aspect; the battery cell is accommodated in the housing, and the heat exchange assembly is in contact with the battery cell and is used for heat exchange with the battery cell.

[0149] The battery provided in the embodiment of the present application has the same technical effect as the box provided in the above embodiment, and will not be described in detail here.

[0150] In a fourth aspect, an embodiment of the present application provides an electrical device, comprising a battery as in the embodiment of the third aspect.

[0151] The electric device provided in the embodiment of the present application has the same technical effect as the battery provided in the embodiment of the present application, and thus will not be described in detail here.

[0152] In some embodiments, the present application provides a heat exchange component 4, which includes a transmission mechanism 5, a flow distribution mechanism 6 and a heat exchange plate 7.

[0153] The transmission mechanism 5 includes a main body 51 and a connecting portion 52. The main body 51 includes a first chamber for accommodating a heat exchange medium. A plurality of connecting portions 52 are arranged at intervals along a first direction X and are connected to the first chamber. The main body 51 includes a first segment 511, a second segment 512 and a switching mechanism 53. The connecting portion 52 is arranged in the second segment 512. The first segment 511 is used to penetrate the battery 2 box 202 and communicate with the outside world. The switching mechanism 53 is arranged between the first segment 511 and the second segment 512. The switching mechanism 53 is arranged in the first direction X. The first interface 531 and the second interface 532 are respectively provided on the two side surfaces, the first interface 531 and the second interface 532 are connected, the first segment 511 is connected to the first interface 531, the second interface 532 is connected to the second segment 512, the second interface 532 is arranged away from the diversion mechanism 6, and the cross-sectional area of ​​the transfer mechanism 53 gradually increases from the first interface 531 to the second interface 532; the diversion mechanism 6 is arranged on one side of the transmission mechanism 5 in the second direction Y, and the diversion mechanism 6 includes a third connecting mechanism 5 and the heat exchange plate 7. The flow dividing mechanism 6 is provided with a first connecting hole 61 at at least one end of the second direction Y, the connecting portion 52 extends into the first connecting hole 61 and is connected with the third chamber, and multiple flow dividing mechanisms 6 are connected with the first chamber through the connecting portion 52, and a blocking block 62 and a second connecting hole 63 are arranged at intervals on the surface of the flow dividing mechanism 6 facing the heat exchange plate 7, and the heat exchange flow channel 71 is connected with the third chamber through the second connecting hole 63, and the blocking block 62 is accommodated in the heat exchange flow channel 71 so that the blocking block 62 can block the heat exchange flow channel 71; the number of the heat exchange plates 7 is multiple, A plurality of heat exchange channels 71 are arranged at intervals along the second direction Y on one side of the heat exchange plate 7 facing the diverter mechanism 6. Each heat exchange plate 7 is connected to both sides of each diverter mechanism 6 in the third direction Z. The heat exchange plate 7 includes a heat exchange channel 71 for accommodating a heat exchange medium. The heat exchange channel 71 is connected to the first chamber through the diverter mechanism 6. The first direction X, the second direction Y and the third direction Z intersect in pairs. Two transmission mechanisms 5 are arranged at both ends of the diverter mechanism 6 in the second direction Y. The two transmission mechanisms 5 are respectively used to input and output heat exchange medium to the heat exchange plate 7.

[0154] In the scheme of the embodiment of the present application, the heat exchange component 4 includes a transmission mechanism 5, a diverter mechanism 6 and a heat exchange plate 7. The transmission mechanism 5 includes a main body 51 and a plurality of connection parts 52 arranged at intervals along a first direction X and connected to the main body 51. The diverter mechanism 6 is arranged on one side of the transmission mechanism 5 in the second direction Y and is respectively connected to the connection parts 52. The heat exchange plate 7 is arranged on one side of the diverter mechanism 6 in the third direction Z. The heat exchange flow channel 71 in the heat exchange mechanism is connected to the diverter mechanism 6. Then, the external environment is connected to the heat exchange plate 7 through the transmission mechanism 5 and the diverter mechanism 6 to realize the input and output of the heat exchange medium in the heat exchange component 4. There is no need to separately set collectors at both ends of a single heat exchange plate 7, thereby reducing the production cost of the battery 2 and reducing the size of the heat exchange component 4 to improve the energy density of the battery 2.

[0155] 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 replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate 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 heat exchange component, characterized in that: include: The transmission mechanism comprises a main body and a connecting part, wherein the main body comprises a first chamber for accommodating a heat exchange medium, and a plurality of connecting parts are arranged at intervals along a first direction and connected to the first chamber; A flow dividing mechanism is arranged on one side of the transmission mechanism in the second direction, and a plurality of the flow dividing mechanisms are connected with the first chamber through the connecting portion; The heat exchange plate is a plurality of heat exchange plates, each of which is connected to at least one side of each of the diverter mechanisms in the third direction. The heat exchange plate includes a heat exchange channel for accommodating a heat exchange medium, and the heat exchange channel is connected to the first chamber through the diverter mechanism. The first direction, the second direction and the third direction intersect each other.

2. The heat exchange assembly according to claim 1, characterized in that: The two heat exchange plates are arranged on both sides of the flow dividing mechanism along the third direction.

3. The heat exchange assembly according to claim 2, characterized in that: The two transmission mechanisms are respectively arranged at two ends of the diversion mechanism in the second direction thereof, and the two transmission mechanisms are respectively used for inputting and outputting heat exchange medium to the heat exchange plate.

4. The heat exchange assembly according to claim 2, characterized in that: The two transmission mechanisms are arranged at the same end of the diversion mechanism in the second direction thereof, and the two transmission mechanisms are respectively used for inputting and outputting heat exchange medium to the heat exchange plate.

5. The heat exchange assembly according to claim 1, characterized in that: The two flow diversion mechanisms are arranged on both sides of the heat exchange plate along the third direction.

6. The heat exchange assembly according to claim 5, characterized in that: The two transmission mechanisms are respectively connected to the diversion mechanism, and the two transmission mechanisms are located at the same end of the heat exchange component on the heat exchange plate in the second direction.

7. The heat exchange assembly according to claim 1, characterized in that: At least a portion of the surface of a side of the main body facing away from the diverter mechanism is flat.

8. The heat exchange assembly according to claim 1, characterized in that: The diverter mechanism includes a second chamber communicating with the transmission mechanism and the heat exchange plate. The diverter mechanism is provided with a first connecting hole at at least one end in the second direction. The connecting portion extends into the first connecting hole and communicates with the second chamber.

9. The heat exchange assembly according to claim 8, characterized in that: A plurality of heat exchange channels are arranged at intervals along the second direction on one side of the heat exchange plate facing the diversion mechanism. A block and a second connecting hole are arranged at intervals on a surface of one side of the diversion mechanism facing the heat exchange plate. The heat exchange channel is connected to the second chamber through the second connecting hole. The block is accommodated in the heat exchange channel so that the block can block the heat exchange channel.

10. The heat exchange assembly according to claim 1, characterized in that: The main body includes a first segment, a second segment and a switching mechanism, the connecting portion is arranged at the second segment, the first segment is used to penetrate the battery box and communicate with the outside, and the switching mechanism is arranged between the first segment and the second segment. The switching mechanism is provided with a first interface and a second interface on both side surfaces of the switching mechanism in the first direction, respectively. The first interface is communicated with the second interface, the first segment is connected to the first interface, and the second interface is connected to the second segment.

11. The heat exchange assembly according to claim 10, characterized in that: In the second direction, the second interface is arranged away from the diversion mechanism.

12. The heat exchange assembly according to claim 10, characterized in that: From the first interface to the second interface, the cross-sectional area of ​​the adapter mechanism gradually increases.

13. A box, characterized in that: Comprising the heat exchange component according to any one of claims 1 to 12.

14. A battery, characterized in that: include: The box as claimed in claim 13; The battery cell is accommodated in the box body, and the heat exchange component is in contact with the battery cell and is used for heat exchange with the battery cell.

15. An electrical device, characterized in that: A battery comprising the battery as claimed in claim 14 above.

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