Heat exchange plate, battery pack and electric device

Abstract

The invention provides a heat exchange plate, a battery pack comprising the heat exchange plate and an electric device comprising the battery pack. The heat exchange plate comprises a temperature uniforming plate and at least one heat exchange part, the temperature uniforming plate is connected with the heat exchange part, the temperature uniforming plate comprises at least one penetrating structure, and the at least one penetrating structure and the at least one heat exchange part are arranged in a staggered manner, so that the weight of the temperature uniforming plate is reduced, the temperature uniforming function of the temperature uniforming plate is ensured, and the heat exchange effect of the battery is further enhanced.

Description

Technical Field

[0001] The present disclosure relates to the field of batteries, and in particular, to a heat exchange plate, a battery pack including the heat exchange plate, and an electrical device including the battery pack. Background Art

[0002] At present, heat exchange plates are often used in battery packs to exchange heat for batteries. In order to reduce the weight of the heat exchange plates, a through structure is often designed on the heat exchange plates. However, this design has a poor heat exchange effect on the batteries. Summary of the invention

[0003] In order to overcome the above technical problems, the present disclosure provides a heat exchange plate, a battery pack including the heat exchange plate, and an electrical device including the battery pack.

[0004] The first objective of the present disclosure is to provide a heat exchange plate, which includes a temperature averaging plate and at least one heat exchange part, the temperature averaging plate and the heat exchange part are connected, the temperature averaging plate includes at least one through structure, at least one through structure is staggered with at least one heat exchange part, at least one through structure is arranged on the temperature averaging plate to reduce the weight of the temperature averaging plate, at least one through structure is staggered with at least one heat exchange part to reduce the weight of the temperature averaging plate, while ensuring the temperature averaging function of the temperature averaging plate, thereby enhancing the heat exchange effect of the battery.

[0005] As an optional solution of the present disclosure, a cross section of at least one penetrating structure along a direction perpendicular to the thickness of the temperature homogenizing plate is a polygon.

[0006] As an optional solution of the present disclosure, there are multiple penetration structures and multiple heat exchange parts, and along the second direction, the multiple penetration structures and the multiple heat exchange parts are alternately arranged.

[0007] As an optional solution of the present disclosure, along the thickness direction of the temperature vaporizer, the cross-sectional area of ​​the penetrating structure is greater than or equal to 30% of the area of ​​the temperature vaporizer, and / or the area of ​​the penetrating structure is less than or equal to 80% of the area of ​​the temperature vaporizer.

[0008] As an optional solution of the present disclosure, there are multiple through structures, and the multiple through structures are sequentially arranged at intervals along the first direction.

[0009] As an optional solution of the present disclosure, the minimum distance between any two adjacent through structures is greater than or equal to 5 mm.

[0010] As an optional solution of the present disclosure, the material of the temperature equalizing plate is any one of aluminum alloy, engineering plastic, polyimide plate, and composite plate.

[0011] As an optional solution of the present disclosure, the heat exchange plate also includes a flow channel plate, the flow channel plate includes at least one flow channel structure, the temperature equalizing plate is connected to the flow channel plate and closes the flow channel structure to form a heat exchange flow channel, and the heat exchange part is constructed as a heat exchange flow channel.

[0012] As an optional solution of the present disclosure, the flow channel plate includes a flow channel structure and a non-flow channel structure, and the orthographic projection of the penetration structure on the flow channel plate is located in the non-flow channel structure.

[0013] As an optional solution of the present disclosure, the heat exchange part is constructed as a heating element, and the heating element is in contact with the temperature balancing plate.

[0014] As an optional solution of the present disclosure, the heating element is any one of a heating film and a PTC heater.

[0015] A second objective of the present disclosure is to provide a battery pack, comprising at least one battery and a heat exchange plate provided by the present disclosure, wherein the heat exchange plate exchanges heat with the battery.

[0016] As an optional solution of the present disclosure, the battery pack also includes a tray, the heat exchange plate is connected to the bottom of the tray, the heat exchange plate and the tray are arranged to form a receiving cavity, and the battery is arranged in the receiving cavity, or the tray has a bottom plate, the bottom plate and the tray side beams are arranged to form a receiving cavity, and the battery and the heat exchange plate are arranged in the receiving cavity.

[0017] As an optional solution of the present disclosure, a surface of the temperature homogenizing plate on one side facing away from the heat exchange portion is connected to the battery.

[0018] As an optional solution of the present disclosure, thermal conductive glue is provided between the temperature homogenizing plate and the battery.

[0019] A third object of the present disclosure is to provide an electrical device, wherein the electrical device is provided with the battery pack provided by the present disclosure or the heat exchange plate provided by the present disclosure.

[0020] The present disclosure reduces the weight of the temperature averaging plate by arranging a through structure on the temperature averaging plate, and staggers the through structure and the heat exchange part, while ensuring the temperature averaging function of the temperature averaging plate, thereby enhancing the heat exchange effect of the battery.

[0021] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the structure of a heat exchange plate provided according to an embodiment of the present disclosure.

[0024] Figure 2 It is a schematic diagram of the structure of a temperature equalizing plate provided according to an embodiment of the present disclosure.

[0025] Figure 3 It is a schematic diagram of the structure of a heat exchange plate provided according to an embodiment of the present disclosure.

[0026] Figure 4 It is a schematic diagram of the structure of a temperature equalizing plate provided according to an embodiment of the present disclosure.

[0027] Figure 5 It is a schematic diagram of the structure of a temperature equalizing plate provided according to an embodiment of the present disclosure.

[0028] Figure 6 is a schematic diagram of the structure of a battery pack provided according to an embodiment of the present disclosure.

[0029] Figure 7 is a schematic diagram of the structure of a battery pack provided according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0030] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0031] In the present disclosure, unless otherwise specified, directional words such as "up, down, left, right" are generally defined based on the drawing direction of the corresponding drawings, and "inside and outside" refer to the inside and outside of the corresponding component outline.

[0032] As shown in Figures 1 to 3, the present disclosure provides a technical solution for a heat exchange plate, a battery pack including the heat exchange plate, and an electrical device including the battery pack.

[0033] In order to clarify the technical solution of the present disclosure, the present disclosure is described through the following specific embodiments, but is not limited to these specific embodiments, and the features in each embodiment can be combined or replaced arbitrarily.

[0034] In an optional embodiment, the heat exchange plate 10 provided by the present disclosure includes a temperature equalizing plate 11 and at least one heat exchange part 12. The temperature equalizing plate 11 is used to equalize the temperature of the battery 21, and the heat exchange part 12 is used to complete cooling or heating of the battery 21. The temperature equalizing plate 11 and the heat exchange part 12 are connected, and the connection method can be welding or direct bonding. The temperature equalizing plate 11 includes at least one through structure 110. The design of at least one through structure 110 reduces the weight of the temperature equalizing plate 11. At least one through structure 110 is staggered with at least one heat exchange part 12, which reduces the weight of the temperature equalizing plate 11 while ensuring the temperature equalization effect of the temperature equalizing plate 11 on the battery 21.

[0035] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange portion 12 can achieve cooling or heating of the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange plate 10 also includes a flow channel plate 13. The flow channel plate 13 includes at least one flow channel structure 131. The temperature averaging plate 11 is connected to the flow channel plate 13 and the flow channel structure 131 is closed to form a heat exchange flow channel 132. The heat exchange portion 12 is configured as a heat exchange flow channel 132. The temperature averaging plate 11 and the flow channel plate 13 can be connected by welding. This connection method is simple and convenient. The heat exchange flow channel 132 is used for the circulation of coolant to achieve a cooling effect on the battery 21. The design of at least one heat exchange flow channel 132 further improves the cooling efficiency of the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is configured as a heating element 14. The temperature averaging plate 11 is in contact with the heating element 14. The temperature averaging plate 11 is in contact with the heating element 14. The direct-fit connection form of the heating element 14 is simple and convenient. The heating element 14 is used to heat the battery 21. The design of at least one heating element 14 further improves the heating efficiency of the battery 21. The temperature equalizing plate 11 includes at least one through structure 110. The cross-section of the through structure 110 along the thickness direction perpendicular to the temperature equalizing plate 11 is a polygon. The setting of the through structure 110 can reduce the weight of the temperature equalizing plate 11. At the same time, the polygonal structural design can ensure the stability of the structure of the temperature equalizing plate 11. Regardless of whether the heat exchange portion 12 is configured as a heat exchange channel 132 or as a heating element 14, it is necessary to configure at least one through structure 110 on the temperature equalizing plate 11 to be staggered with at least one heat exchange portion 12. The staggered setting can refer to the heat exchange portion 12 being fitted to the edge of the through structure 110, or it can refer to the heat exchange portion 12 and the through structure 110 being spaced apart. The staggered setting ensures that the temperature equalizing plate 11 achieves the temperature equalization effect on the battery 21.

[0036] In an optional embodiment, the temperature equalizing plate 11 includes at least one through structure 110. The design of the through structure 110 can reduce the weight of the temperature equalizing plate 11. The cross-section of at least one through structure 110 along the direction perpendicular to the thickness of the temperature equalizing plate 11 is a polygon, and the number of sides of the polygon is at least four. The design of the through structure 110 with at least four polygonal sides can ensure the stability of the structure of the temperature equalizing plate 11 and avoid affecting the overall structural strength of the temperature equalizing plate 11 due to the setting of the through structure 110.

[0037] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange portion 12 can achieve cooling or heating of the battery 21. The temperature averaging plate 11 includes at least one through structure 110. The design of at least one through structure 110 can reduce the weight of the temperature averaging plate 11. The cross section of at least one through structure 110 along the thickness direction perpendicular to the temperature averaging plate 11 is hexagonal. The through structure 110 is arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature averaging plate 11. Along the thickness direction of the temperature averaging plate 11, the through structure 110 is The cross-sectional area of ​​the structure 110 is greater than or equal to 30% of the area of ​​the temperature equalizing plate 11, and the design that the proportion of the through-structure 110 relative to the cross-sectional area of ​​the temperature equalizing plate 11 is greater than or equal to 30% ensures the technical effect of reducing the weight of the temperature equalizing plate 11, and the area of ​​the through-structure 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11, and the design that the proportion of the through-structure 110 relative to the cross-sectional area of ​​the temperature equalizing plate 11 is less than or equal to 80% ensures the strength and stability of the temperature equalizing plate 11, and prevents the through-structure 110 from occupying too much area of ​​the temperature equalizing plate 11 and affecting the overall structural strength of the temperature equalizing plate 11. In other specific embodiments, as shown in the figure, the cross-section of at least one through-structure 110 along the direction perpendicular to the thickness of the temperature equalizing plate 11 is a quadrilateral, and the quadrilateral setting of the through-structure 110 can also better ensure the stability of the structure of the temperature equalizing plate 11.

[0038] In an optional embodiment, the number of through structures 110 is multiple, and the design of multiple through structures 110 can further reduce the weight of the temperature plate 11; the number of heat exchange parts 12 is multiple, when the heat exchange plate 10 is a cooling plate, the heat exchange part 12 is configured as a heat exchange channel 132, and the heat exchange channel 132 is used for the flow of coolant. The design of multiple heat exchange channels 132 can enhance the cooling effect on the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange part 12 is configured as a heating element 14, and the heating element 14 is used to heat the battery 21. The design of the heating element 14 can further enhance the heating effect on the battery 21; along the second direction, multiple through structures 110 and multiple heat exchange parts 12 are alternately arranged. The second direction can be the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11. Regardless of whether the heat exchange part 12 is a heat exchange channel 132 or a heating element 14, multiple through structures 110 and multiple heat exchange parts 12 are required to be alternately arranged. The alternating arrangement is used to avoid the heat exchange part 12 affecting the temperature equalizing effect of the temperature equalizing plate 11 on the battery 21 due to the existence of the through structures 110.

[0039] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange part 12 can achieve cooling or heating of the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange plate 10 also includes a flow channel plate 13. The flow channel plate 13 includes at least one flow channel structure 131. The temperature averaging plate 11 is connected to the flow channel plate 13 and the flow channel structure 131 is closed to form a heat exchange flow channel 132. The heat exchange part 12 is configured as a heat exchange The heat exchange flow channel 132, the connection method of the temperature averaging plate 11 and the flow channel plate 13 can be welding, which is simple and convenient. The heat exchange flow channel 132 is used for the circulation of the coolant to achieve the cooling effect on the battery 21. The design of multiple heat exchange flow channels 132 can further improve the cooling efficiency of the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14, and the temperature averaging plate 11 is attached to the heating element 14. The temperature averaging plate 11 and the heating element 14 are directly The fitting connection form is simple and convenient. The heating element 14 is used to heat the battery 21. The design of multiple heating elements 14 further improves the heating efficiency of the battery 21; the temperature equalizing plate 11 includes multiple through structures 110. The setting of multiple through structures 110 can further reduce the weight of the temperature equalizing plate 11. The cross-sections of the multiple through structures 110 along the thickness direction perpendicular to the temperature equalizing plate 11 are polygonal. At the same time, the polygonal structural design can ensure the stability of the structure of the temperature equalizing plate 11; no matter the heat exchange part 12 is constructed as a heat exchange channel 132 or as a heating element 14, along the length direction or width direction of the temperature equalizing plate 11, multiple through structures 110 and multiple heat exchange parts 12 are required to be alternately arranged. The alternating arrangement can refer to the heat exchange part 12 fitting the edge of the through structure 110, or it can refer to the heat exchange part 12 and the through structure 110 being arranged at intervals. The alternating arrangement ensures that the temperature equalizing plate 11 achieves the temperature equalization effect on the battery 21.

[0040] In an optional embodiment, along the thickness direction of the temperature equalizing plate 11, the cross-sectional area of ​​the penetrating structure 110 is greater than or equal to 30% of the area of ​​the temperature equalizing plate 11, and the setting that the cross-sectional area of ​​the penetrating structure 110 accounts for greater than or equal to 30% of the area of ​​the temperature equalizing plate 11 can better reduce the weight of the temperature equalizing plate 11, and the weight reduction effect when the cross-sectional area of ​​the penetrating structure 110 accounts for less than 30% of the area of ​​the temperature equalizing plate 11 is not significant, and / or, the area of ​​the penetrating structure 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11, and the setting that the cross-sectional area of ​​the penetrating structure 110 accounts for less than or equal to 80% of the area of ​​the temperature equalizing plate 11 can ensure the strength of the temperature equalizing plate 11, and the cross-sectional area of ​​the penetrating structure 110 accounts for more than 80% of the area of ​​the temperature equalizing plate 11 will affect the stability of the temperature equalizing plate 11.

[0041] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange portion 12 can achieve cooling or heating of the battery 21. The temperature averaging plate 11 includes a plurality of through structures 110. The design of the plurality of through structures 110 can reduce the weight of the temperature averaging plate 11. The cross-sections of the plurality of through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 are hexagonal. The plurality of through structures 110 are arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature averaging plate 11. Along the thickness direction of the temperature averaging plate 11, the total cross-sectional area of ​​the plurality of through structures 110 is greater than The design that the total cross-sectional area of ​​the plurality of through structures 110 is equal to 30% of the area of ​​the temperature plate 11 and the proportion of the total cross-sectional area of ​​the plurality of through structures 110 relative to the cross-sectional area of ​​the temperature plate 11 is greater than or equal to 30% ensures the technical effect of better reducing the weight of the temperature plate 11, and the design that the total cross-sectional area of ​​the plurality of through structures 110 is less than or equal to 80% of the area of ​​the temperature plate 11 and the proportion of the total cross-sectional area of ​​the plurality of through structures 110 relative to the cross-sectional area of ​​the temperature plate 11 is less than or equal to 80% ensures the strength and stability of the temperature plate 11 and prevents the through structures 110 from occupying too much of the area of ​​the temperature plate 11 and affecting the overall structural strength of the temperature plate 11. In other specific embodiments, such as Figure 5 As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 includes a through structure 110. The design of the through structure 110 can also reduce the weight of the temperature averaging plate 11. The cross-section of the through structure 110 along the thickness direction perpendicular to the temperature averaging plate 11 is hexagonal. The through structure 110 is arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature averaging plate 11. Along the thickness direction of the temperature averaging plate 11, the cross-sectional area of ​​the through structure 110 is greater than or equal to 30% of the area of ​​the temperature averaging plate 11. The design that the cross-sectional area of ​​the penetrating structure 110 accounts for greater than or equal to 30% of the cross-sectional area of ​​the temperature equalizing plate 11 ensures the technical effect of better reducing the weight of the temperature equalizing plate 11, and the cross-sectional area of ​​the penetrating structure 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11. The design that the cross-sectional area of ​​the penetrating structure 110 accounts for less than or equal to 80% of the cross-sectional area of ​​the temperature equalizing plate 11 ensures the strength and stability of the temperature equalizing plate 11 and prevents the penetrating structure 110 from occupying too much of the area of ​​the temperature equalizing plate 11 and affecting the overall structural strength of the temperature equalizing plate 11.

[0042] In an optional embodiment, there are multiple through structures 110. The design of multiple through structures 110 can further reduce the weight of the temperature equalizing plate 11. The multiple through structures 110 are arranged in sequence along a first direction. The first direction can refer to the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11. The interval arrangement of the multiple through structures 110 ensures the structural strength of the temperature equalizing plate 11 and prevents the multiple through structures 110 from being directly connected and affecting the stability of the temperature equalizing plate 11.

[0043] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange portion 12 can achieve cooling or heating for the battery 21. The temperature averaging plate 11 includes a through structure 110. The number of through structures 110 is multiple. The design of multiple through structures 110 can further reduce the weight of the temperature averaging plate 11. The cross-sections of the multiple through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 are hexagonal. The multiple through structures 110 are arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature averaging plate 11. Along the thickness direction of the temperature averaging plate 11, the total cross-sectional area of ​​the multiple through structures 110 is greater than or equal to 30% of the area of ​​the temperature averaging plate 11, and the total cross-sectional area of ​​the multiple through structures 110 relative to the cross-sectional area of ​​the temperature averaging plate 11 is greater than or equal to 30% of the area of ​​the temperature averaging plate 11. The design of a cross-sectional area ratio greater than or equal to 30% ensures the technical effect of better reducing the weight of the temperature equalizing plate 11, and the total cross-sectional area of ​​the multiple penetrating structures 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11. The design of a total cross-sectional area of ​​the multiple penetrating structures 110 ratio less than or equal to 80% of the cross-sectional area of ​​the temperature equalizing plate 11 ensures the strength and stability of the temperature equalizing plate 11, and prevents the penetrating structures 110 from occupying too much of the area of ​​the temperature equalizing plate 11 and affecting the overall structural strength of the temperature equalizing plate 11; the multiple penetrating structures 110 are arranged in sequence at intervals along the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11, and the interval arrangement of the multiple penetrating structures 110 ensures the structural strength of the temperature equalizing plate 11 and prevents the multiple penetrating structures 110 from being directly connected and affecting the stability of the temperature equalizing plate 11.

[0044] In an optional embodiment, there are multiple through-structures 110. The design of multiple through-structures 110 can further reduce the weight of the temperature equalizing plate 11. The minimum spacing between any two adjacent through-structures 110 is greater than or equal to 5 mm. The limitation on the minimum spacing between any two adjacent through-structures 110 prevents the adjacent through-structures 110 from being too close to each other and affecting the stability of the temperature equalizing plate 11, thereby ensuring the structural strength of the temperature equalizing plate 11.

[0045] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange portion 12 can achieve cooling or heating for the battery 21. The temperature averaging plate 11 includes a through structure 110, and the number of through structures 110 is multiple. The design of multiple through structures 110 can further reduce the weight of the temperature averaging plate 11. The cross-sections of the multiple through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 are hexagonal. The multiple through structures 110 are arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature averaging plate 11; along the thickness direction of the temperature averaging plate 11, the total cross-sectional area of ​​the multiple through structures 110 is greater than or equal to 30% of the area of ​​the temperature averaging plate 11, and the total cross-sectional area of ​​the multiple through structures 110 relative to the cross-sectional area of ​​the temperature averaging plate 11 is greater than or equal to 30%, which ensures better reduction. The technical effect of the weight of the temperature equalizing plate 11 is improved, and the total cross-sectional area of ​​the multiple penetrating structures 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11. The design that the total cross-sectional area of ​​the multiple penetrating structures 110 accounts for less than or equal to 80% of the cross-sectional area of ​​the temperature equalizing plate 11 ensures the strength and stability of the temperature equalizing plate 11, and prevents the penetrating structures 110 from accounting for too much of the area of ​​the temperature equalizing plate 11 and affecting the overall structural strength of the temperature equalizing plate 11; the multiple penetrating structures 110 are arranged in sequence at intervals along the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11, and the multiple penetrating structures 110 are arranged at intervals to ensure the structural strength of the temperature equalizing plate 11, and the minimum spacing between any two adjacent penetrating structures 110 is greater than or equal to 5 mm. The limitation on the minimum spacing between any two adjacent penetrating structures 110 avoids the penetrating structures 110 being too close to affect the stability of the temperature equalizing plate 11.

[0046] In an optional embodiment, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange unit 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange unit 12 can cool or heat the battery 21. The material of the temperature averaging plate 11 is any one of aluminum alloy, engineering plastic, polyimide plate, and composite plate. The material requirements of the temperature averaging plate 11 improve the strength of the temperature averaging plate 11.

[0047] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange part 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange part 12 can achieve cooling or heating for the battery 21. The temperature averaging plate 11 includes a through structure 110. The number of through structures 110 is multiple. The design of multiple through structures 110 can further reduce the weight of the temperature averaging plate 11. The material of the temperature averaging plate 11 is any one of aluminum alloy, engineering plastic, polyimide plate, and composite plate. The material requirements of the temperature averaging plate 11 enhance the structural strength of the temperature averaging plate 11 to prevent the structural strength and stability of the temperature averaging plate 11 from being affected by the arrangement of multiple through structures 110 on the temperature averaging plate 11.

[0048] In an optional embodiment, the heat exchange plate 10 includes a temperature equalizing plate 11 and at least one heat exchange part 12. The temperature equalizing plate 11 can achieve temperature equalization for the battery 21, and the heat exchange part 12 can cool the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange part 12 also includes a flow channel plate 13. The flow channel plate 13 includes at least one flow channel structure 131. The temperature equalizing plate 11 is connected to the flow channel plate 13 and closes the flow channel structure 131 to form a heat exchange flow channel 132. The heat exchange flow channel 132 is used for the circulation of coolant to cool the battery 21.

[0049] In a specific embodiment, Figure 1 , Figure 2 As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange part 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange part 12 can achieve cooling for the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange plate 10 also includes a flow channel plate 13. The flow channel plate 13 includes at least one flow channel structure 131. The temperature averaging plate 11 is connected to the flow channel plate 13 and the flow channel structure 131 is closed to form a heat exchange flow channel 132. The heat exchange part 12 is constructed as a heat exchange flow channel 132. The temperature averaging plate 11 and the flow channel plate 13 can be connected by welding. This connection method is simple and convenient. The heat exchange flow channel 132 is used for the circulation of coolant to achieve a cooling effect on the battery 21. The design of multiple heat exchange flow channels 132 can further improve the cooling efficiency of the battery 21.

[0050] In an optional embodiment, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange portion 12 can achieve cooling of the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange portion 12 also includes a flow channel plate 13, and the flow channel plate 13 includes a flow channel structure 131 and a non-flow channel structure 133. The temperature averaging plate 11 is connected to the flow channel plate 13 and the flow channel structure 131 is closed to form a heat exchange flow channel 132. The heat exchange flow channel 132 is used for cooling the liquid. The circulation of heat can realize cooling of the battery 21. The temperature equalizing plate 11 includes a through structure 110. There are multiple through structures 110. The design of multiple through structures 110 can further reduce the weight of the temperature equalizing plate 11. The positive projection of the through structure 110 on the flow channel plate 13 is located in the non-flow channel structure 133. The arrangement of the through structure 110 avoiding the flow channel structure 131 can prevent the leakage of the coolant, ensure that the coolant flows completely in the heat exchange flow channel 132, and improve the cooling efficiency of the battery 21.

[0051] In a specific embodiment, Figure 1 , Figure 2As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange part 12 can achieve cooling of the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange plate 10 also includes a flow channel plate 13. The flow channel plate 13 includes at least one flow channel structure 131. The temperature averaging plate 11 is connected to the flow channel plate 13 and the flow channel structure 131 is closed to form a heat exchange flow channel 132. The heat exchange part 12 is constructed as a heat exchange flow channel 132. The temperature averaging plate 11 and the flow channel plate 13 can be connected by welding. This connection method is simple and convenient. The heat exchange flow channel 132 is used for the circulation of coolant to achieve a cooling effect on the battery 21. The design of the heat exchange flow channel 132 can further improve the cooling efficiency of the battery 21; the temperature plate 11 includes a through structure 110, and the number of the through structures 110 is multiple. The design of multiple through structures 110 can further reduce the weight of the temperature plate 11, and the cross-section of the multiple through structures 110 along the thickness direction perpendicular to the temperature plate 11 is hexagonal. The multiple through structures 110 are arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature plate 11; along the thickness direction of the temperature plate 11, the total cross-sectional area of ​​the multiple through structures 110 is greater than or equal to 30% of the area of ​​the temperature plate 11, and the total cross-sectional area of ​​the multiple through structures 110 relative to the cross-sectional area of ​​the temperature plate 11 The design of the cross-sectional area ratio being greater than or equal to 30% ensures the technical effect of better reducing the weight of the temperature equalizing plate 11, and the total cross-sectional area of ​​the multiple penetrating structures 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11. The design of the total cross-sectional area of ​​the multiple penetrating structures 110 being less than or equal to 80% of the cross-sectional area of ​​the temperature equalizing plate 11 ensures the strength and stability of the temperature equalizing plate 11, and prevents the penetrating structures 110 from occupying too much of the area of ​​the temperature equalizing plate 11 and affecting the overall structural strength of the temperature equalizing plate 11; the multiple penetrating structures 110 are arranged in sequence at intervals along the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11, and the multiple penetrating structures 110 are arranged at intervals to ensure The structural strength of the temperature equalizing plate 11 is such that the minimum spacing between any two adjacent through structures 110 is greater than or equal to 5 mm. The restriction on the minimum spacing between any two adjacent through structures 110 avoids the through structures 110 being too close to affect the stability of the temperature equalizing plate 11. The flow channel plate 13 also includes a non-flow channel structure 133. The orthographic projections of the multiple through structures 110 on the flow channel plate 13 are located in the non-flow channel structure 133. The arrangement of the multiple through structures 110 avoiding the flow channel structure 131 can prevent leakage of the coolant, ensure that the coolant flows completely in the heat exchange flow channel 132, improve the cooling efficiency of the battery 21, and at the same time ensure the temperature equalization effect of the temperature equalizing plate 11 on the battery 21.

[0052] In an optional embodiment, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange portion 12 can achieve heating for the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14, and the heating element 14 can achieve heating for the battery 21. The heating element 14 is in contact with the temperature averaging plate 11, and the connection method of the heating element 14 and the temperature averaging plate 11 is simple and convenient.

[0053] In a specific embodiment, Figure 3 , Figure 4 As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange part 12 can achieve heating of the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange part 12 is configured as a heating element 14, and the heating element 14 can achieve heating of the battery 21. The design of the plurality of heating elements 14 further improves the heating efficiency of the battery 21. The heating element 14 fits with the temperature averaging plate 11, and the connection method of the heating element 14 and the temperature averaging plate 11 is simple and convenient; the temperature averaging plate 11 includes a through structure 110, and the number of through structures 110 is The design of multiple through structures 110 can further reduce the weight of the temperature averaging plate 11. The cross-section of the multiple through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 is hexagonal. The multiple through structures 110 are arranged in a hexagonal honeycomb structure, which can improve the overall strength of the temperature averaging plate 11. Along the thickness direction of the temperature averaging plate 11, the total cross-sectional area of ​​the multiple through structures 110 is greater than or equal to 30% of the area of ​​the temperature averaging plate 11. The design that the total cross-sectional area of ​​the multiple through structures 110 accounts for greater than or equal to 30% of the cross-sectional area of ​​the temperature averaging plate 11 ensures better weight reduction of the temperature averaging plate 11. The technical effect of weight is achieved, and the total cross-sectional area of ​​the multiple penetration structures 110 is less than or equal to 80% of the area of ​​the temperature equalizing plate 11. The design that the total cross-sectional area of ​​the multiple penetration structures 110 accounts for less than or equal to 80% of the cross-sectional area of ​​the temperature equalizing plate 11 ensures the strength and stability of the temperature equalizing plate 11, and prevents the penetration structures 110 from occupying too much area of ​​the temperature equalizing plate 11 and affecting the overall structural strength of the temperature equalizing plate 11; the multiple penetration structures 110 are arranged in sequence along the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11. The multiple penetration structures 110 are arranged in sequence along the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11. The interval arrangement of the multiple penetration structures 110 ensures the strength and stability of the temperature equalizing plate 11. The structural strength of the through-structures 110 is ensured by the minimum spacing between any two adjacent through-structures 110 being greater than or equal to 5 mm. The restriction on the minimum spacing between any two adjacent through-structures 110 avoids the through-structures 110 being too close to affect the stability of the temperature equalizing plate 11. Along the length direction or width direction of the temperature equalizing plate 11, multiple through-structures 110 and multiple heating elements 14 are alternately arranged. The alternating arrangement may refer to the heating element 14 being attached to the edge of the through-structure 110, or the heating element 14 being spaced apart from the through-structure 110. The alternating arrangement ensures that the temperature equalizing plate 11 achieves the temperature equalizing effect on the battery 21.

[0054] In an optional embodiment, the heat exchange plate 10 includes a temperature equalizing plate 11 and at least one heat exchange portion 12. The temperature equalizing plate 11 can achieve temperature equalization for the battery 21, and the heat exchange portion 12 can achieve heating for the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14, and the heating element 14 can achieve heating for the battery 21. The heating element 14 is any one of a heating film and a PTC heater. The heating film or the PTC heater can better achieve the heating effect for the battery 21. The heating film or the PTC heater is in contact with the temperature equalizing plate 11, and the direct contact connection method is simple and convenient.

[0055] In a specific embodiment, Figure 3 , Figure 4 As shown, the heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12. The temperature averaging plate 11 can achieve temperature averaging of the battery 21, and the heat exchange part 12 can achieve heating of the battery 21. When the heat exchange plate 10 is a heating plate, the heat exchange part 12 is configured as a heating element 14, and the heating element 14 can achieve heating of the battery 21. The design of the plurality of heating elements 14 further improves the heating efficiency of the battery 21. The heating element 14 is any one of a heating film or a PTC heater. The heating film or the PTC heater can achieve a good heating effect on the battery 21. The heating film or the PTC heater and the temperature averaging plate 1 1 are in close contact with each other, and the direct contact connection method is simple and convenient; the temperature averaging plate 11 includes a plurality of through structures 110. The design of the plurality of through structures 110 can further reduce the weight of the temperature averaging plate 11. Along the length direction or width direction of the temperature averaging plate 11, the plurality of through structures 110 and the plurality of heating films or the plurality of PTC heaters are alternately arranged. The alternating arrangement can refer to the heating film or the PTC heater being in close contact with the edge of the through structure 110, or can refer to the heating film or the PTC heater being arranged at intervals from the through structure 110. The alternating arrangement ensures that the temperature averaging plate 11 achieves a temperature equalization effect on the battery 21.

[0056] In an optional embodiment, the battery pack 31 provided by the present disclosure includes at least one battery 21 and the heat exchange plate 10 provided by the present disclosure, the heat exchange plate 10 is used to exchange heat with the battery 21, and the method of exchanging heat for the battery 21 through the heat exchange plate 10 is simple and convenient; the heat exchange plate 10 includes a temperature equalizing plate 11 and at least one heat exchange part 12, the temperature equalizing plate 11 achieves the effect of equalizing the temperature of the battery 21, and the heat exchange part 12 is used to cool or heat the battery 21.

[0057] In a specific embodiment, Figure 6 , Figure 7As shown, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10, the heat exchange plate 10 includes a temperature averaging plate 11 and at least one heat exchange portion 12, the temperature averaging plate 11 can achieve temperature averaging for the battery 21, and the heat exchange portion 12 can achieve cooling or heating of the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange plate 10 also includes a flow channel plate 13, the flow channel plate 13 includes a plurality of flow channel structures 131, the temperature averaging plate 11 is connected to the flow channel plate 13 and the flow channel structure 131 is closed to form a heat exchange flow channel 132, the heat exchange portion 12 is constructed as a heat exchange flow channel 132, the temperature averaging plate 11 and the flow channel plate 13 can be connected by welding, this connection method is simple and convenient, the heat exchange flow channel 132 is used for the circulation of coolant to achieve a cooling effect on the battery 21, and the design of multiple heat exchange flow channels 132 further improves The cooling efficiency of the battery 21 is improved; when the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14, and the temperature averaging plate 11 is fitted with the heating element 14. The direct fitting connection between the temperature averaging plate 11 and the heating element 14 is simple and convenient. The heating element 14 is used to heat the battery 21. The design of multiple heating elements 14 further improves the heating efficiency of the battery 21; the temperature averaging plate 11 includes multiple through structures 110, and the cross-sections of the multiple through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 are polygonal. The arrangement of multiple through structures 110 can reduce the weight of the temperature averaging plate 11, and the heat exchange plate 10 is used to exchange heat for the battery 21 to achieve the technical effect of cooling or heating the battery 21; the battery pack 31 also includes an upper cover 314, and the upper cover 314 is used to protect the battery 21.

[0058] In an optional embodiment, the battery pack 31 also includes a tray 310, and the heat exchange plate 10 is connected to the bottom of the tray 310, the heat exchange plate 10 is used to exchange heat for the battery 21 while supporting the battery 21, the heat exchange plate 10 and the tray 310 are surrounded to form a accommodating cavity 311, the battery 21 is arranged in the accommodating cavity 311, and the accommodating cavity 311 is used to accommodate the battery 21, or, the tray 310 of the battery pack 31 has a bottom plate 312, the bottom plate 312 supports the battery 21, the bottom plate 312 and the tray side beam 313 are surrounded to form a accommodating cavity 311, the battery 21 and the heat exchange plate 10 are arranged in the accommodating cavity 311, and the accommodating cavity 311 is used to accommodate the battery 21 and the heat exchange plate 10.

[0059] In a specific embodiment, Figure 6 , Figure 7As shown, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10. The battery pack 31 also includes a tray 310. The heat exchange plate 10 is connected to the bottom of the tray 310. The heat exchange plate 10 is used to exchange heat for the battery 21 while supporting the battery 21. The heat exchange plate 10 and the tray 310 are surrounded to form a receiving cavity 311. The battery 21 is arranged in the receiving cavity 311. The receiving cavity 311 is used to receive the battery 21. The heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12. The temperature averaging plate 11 can achieve temperature averaging for the battery 21. The heat exchange part 12 can achieve cooling or heating for the battery 21. When the heat exchange plate 10 is a cooling plate, the heat exchange plate 10 also includes a flow channel plate 13. The flow channel plate 13 includes a plurality of flow channel structures 131. The temperature averaging plate 11 is connected to the flow channel plate 13 and closes the flow channel structure 131 to form a heat exchange flow channel 132. The heat exchange part 12 is structured The heat exchange channel 132 can be connected to the flow channel plate 13 by welding. This connection method is simple and convenient. The heat exchange channel 132 is used for the circulation of coolant to achieve a cooling effect on the battery 21. The design of multiple heat exchange channels 132 further improves the cooling efficiency of the battery 21; when the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14, and the temperature averaging plate 11 is fitted with the heating element 14. The connection form of the temperature averaging plate 11 and the heating element 14 directly fitted is simple and convenient. The heating element 14 is used to heat the battery 21. The design of multiple heating elements 14 further improves the heating efficiency of the battery 21; the temperature averaging plate 11 includes multiple through structures 110, and the cross-sections of the multiple through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 are polygonal. The arrangement of multiple through structures 110 can reduce the weight of the temperature averaging plate 11. In other embodiments, as shown in the figure, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10, and the battery pack 31 also includes a tray 310. The tray 310 of the battery pack 31 has a bottom plate 312, and the bottom plate 312 supports the battery 21. The bottom plate 312 and the tray side beams 313 are arranged to form a accommodating cavity 311. The battery 21 and the heat exchange plate 10 are arranged in the accommodating cavity 311. The accommodating cavity 311 is used to accommodate the battery 21 and the heat exchange plate 10; the battery pack 31 also includes an upper cover 314, and the upper cover 314 is used to protect the battery 21.

[0060] In an optional embodiment, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10, the heat exchange plate 10 includes a temperature equalizing plate 11 and multiple heat exchange parts 12, the temperature equalizing plate 11 can achieve temperature equalization for the battery 21, the heat exchange part 12 can achieve cooling or heating for the battery 21, the side surface of the temperature equalizing plate 11 facing away from the heat exchange part 12 is connected to the battery 21, and the side surface of the temperature equalizing plate 11 facing away from the heat exchange part 12 is connected to the battery 21 to achieve temperature equalization for the battery 21.

[0061] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 As shown, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10, the heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12, the temperature averaging plate 11 can achieve temperature averaging for the battery 21, the heat exchange part 12 can achieve cooling or heating for the battery 21, the surface of the temperature averaging plate 11 facing away from the heat exchange part 12 is connected to the battery 21, the connection method of the surface of the temperature averaging plate 11 facing away from the heat exchange part 12 and the battery 21 is used to average the temperature of the battery 21, the temperature averaging plate 11 includes a plurality of through structures 110, the cross-section of the plurality of through structures 110 along the thickness direction perpendicular to the temperature averaging plate 11 is polygonal, the arrangement of the plurality of through structures 110 can reduce the weight of the temperature averaging plate 11, the number of the heat exchange parts 12 is multiple, when the heat exchange plate 10 is a cooling plate, the heat exchange part 12 is constructed as a heat exchange channel 132, the heat exchange channel 132 is used for the flow of cooling liquid, and the design of the plurality of heat exchange channels 132 can enhance the heat dissipation of the battery 2 1 has a cooling effect. When the heat exchange plate 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14. The heating element 14 is used to heat the battery 21. The design of multiple heating elements 14 can further enhance the heating effect on the battery 21. Along the second direction, multiple penetration structures 110 and multiple heat exchange portions 12 are alternately arranged. The second direction can be the length direction of the temperature averaging plate 11 or the width direction of the temperature averaging plate 11. Regardless of whether the heat exchange portion 12 is a heat exchange channel 132 or a heating element 14, multiple penetration structures 110 and multiple heat exchange portions 12 need to be alternately arranged. The alternating arrangement can refer to the heat exchange portion 12 being attached to the edge of the penetration structure 110, or it can refer to the heat exchange portion 12 being spaced apart from the penetration structure 110. The alternating arrangement is used to avoid affecting the temperature equalization effect of the temperature averaging plate 11 on the battery 21 due to the presence of the penetration structure 110. The battery pack 31 also includes an upper cover 314, which is used to protect the battery 21.

[0062] In an optional embodiment, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10, the heat exchange plate 10 includes a temperature averaging plate 11 and multiple heat exchange parts 12, the heat exchange part 12 can cool or heat the battery 21, the surface of the temperature averaging plate 11 facing away from the heat exchange part 12 is connected to the battery 21, the surface of the temperature averaging plate 11 facing away from the heat exchange part 12 is connected to the battery 21, and the battery 21 can achieve temperature equalization, and a thermal conductive adhesive 210 is provided between the temperature averaging plate 11 and the battery 21. The setting of the thermal conductive adhesive 210 can further improve the heating or cooling effect of the battery 21.

[0063] In a specific embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7As shown, the battery pack 31 includes at least one battery 21 and a heat exchange plate 10, the heat exchange plate 10 includes a temperature averaging plate 11 and a plurality of heat exchange parts 12, the temperature averaging plate 11 can achieve temperature averaging for the battery 21, the heat exchange part 12 can achieve cooling or heating for the battery 21, the surface of the temperature averaging plate 11 facing away from the heat exchange part 12 is connected to the battery 21, the connection method of the surface of the temperature averaging plate 11 facing away from the heat exchange part 12 and the battery 21 is used to average the temperature of the battery 21, the temperature averaging plate 11 includes a plurality of through structures 110, the cross-sections of the plurality of through structures 110 along the direction perpendicular to the thickness of the temperature averaging plate 11 are polygonal, the arrangement of the plurality of through structures 110 can reduce the weight of the temperature averaging plate 11, the number of the heat exchange parts 12 is multiple, when the heat exchange plate 10 is a cooling plate, the heat exchange part 12 is constructed as a heat exchange channel 132, the heat exchange channel 132 is used for the flow of coolant, the design of the plurality of heat exchange channels 132 can enhance the cooling effect on the battery 21, when the heat exchange plate When 10 is a heating plate, the heat exchange portion 12 is constructed as a heating element 14, and the heating element 14 is used to heat the battery 21. The design of multiple heating elements 14 can further enhance the heating effect on the battery 21; along the second direction, multiple through structures 110 and multiple heat exchange portions 12 are alternately arranged. The second direction can be the length direction of the temperature equalizing plate 11 or the width direction of the temperature equalizing plate 11. Regardless of whether the heat exchange portion 12 is a heat exchange channel 132 or a heating element 14, multiple through structures 110 and multiple heat exchange portions 12 are required to be alternately arranged. The alternating arrangement can refer to the heat exchange portion 12 being attached to the edge of the through structure 110, or it can refer to the heat exchange portion 12 and the through structure 110 being arranged at intervals. The alternating arrangement is used to avoid affecting the temperature equalization effect of the temperature equalizing plate 11 on the battery 21 due to the presence of the through structure 110. A thermal conductive adhesive 210 is provided between the temperature equalizing plate 11 and the battery 21. The setting of the thermal conductive adhesive 210 can further enhance the heating or cooling effect of the battery 21.

[0064] In addition, each embodiment of the present disclosure also provides an electrical device using the battery pack or the heat exchange plate.

[0065] Although example embodiments have been described herein with reference to the accompanying drawings, it should be understood that the above example embodiments are merely exemplary and are not intended to limit the scope of the present application to this. Those of ordinary skill in the art may make various changes and modifications therein without departing from the scope and spirit of the present application. All these changes and modifications are intended to be included within the scope of the present application as required by the appended claims.

[0066] In the description provided herein, a large number of specific details are described. However, it is understood that the embodiments of the present application can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0067] Similarly, it should be understood that in order to streamline the present application and help understand one or more of the various inventive aspects, in the description of the exemplary embodiments of the present application, the various features of the present application are sometimes grouped together into a single embodiment, figure, or description thereof. However, the method of the present application should not be interpreted as reflecting the following intention: the claimed application requires more features than the features clearly stated in each claim. More specifically, as reflected in the corresponding claims, the inventive point is that the corresponding technical problem can be solved with features less than all the features of a single disclosed embodiment. Therefore, the claims following the specific embodiment are hereby explicitly incorporated into the specific embodiment, wherein each claim itself serves as a separate embodiment of the present application.

[0068] It will be understood by those skilled in the art that, except for mutually exclusive features, all features disclosed in this specification (including the accompanying claims, abstracts and drawings) and all processes or units of any method or device disclosed in this specification may be combined in any combination. Unless otherwise expressly stated, each feature disclosed in this specification (including the accompanying claims, abstracts and drawings) may be replaced by an alternative feature that provides the same, equivalent or similar purpose.

[0069] In addition, those skilled in the art will appreciate that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0070] It should be noted that the above-mentioned embodiments illustrate rather than limit the invention and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims.

Claims

1. A heat exchange plate, characterized in that: The heat exchange plate includes a temperature averaging plate and at least one heat exchange part, the temperature averaging plate and the heat exchange part are connected, the temperature averaging plate includes at least one through structure, and at least one through structure is staggered with at least one heat exchange part.

2. The heat exchange plate according to claim 1, characterized in that: A cross section of at least one of the through structures along a direction perpendicular to the thickness of the temperature homogenizing plate is a polygon.

3. The heat exchange plate according to claim 1, characterized in that: There are multiple penetration structures and multiple heat exchange parts, and along the second direction, the multiple penetration structures and the multiple heat exchange parts are alternately arranged.

4. The heat exchange plate according to claim 1, characterized in that: Along the thickness direction of the temperature homogenizer, the cross-sectional area of ​​the penetrating structure is greater than or equal to 30% of the area of ​​the temperature homogenizer, and / or the area of ​​the penetrating structure is less than or equal to 80% of the area of ​​the temperature homogenizer.

5. The heat exchange plate according to claim 1, characterized in that: There are multiple through structures, and the multiple through structures are sequentially spaced apart along the first direction.

6. The heat exchange plate according to claim 5, characterized in that: The minimum distance between any two adjacent through structures is greater than or equal to 5 mm.

7. The heat exchange plate according to claim 1, characterized in that: The material of the temperature equalizing plate is any one of aluminum alloy, engineering plastic, polyimide plate and composite plate.

8. The heat exchange plate according to any one of claims 1 to 7, characterized in that: It also includes a flow channel plate, which includes at least one flow channel structure. The temperature uniform plate is connected to the flow channel plate and closes the flow channel structure to form a heat exchange flow channel. The heat exchange part is configured as the heat exchange flow channel.

9. The heat exchange plate according to claim 8, characterized in that: The flow channel plate includes the flow channel structure and the non-flow channel structure, and the orthographic projection of the penetration structure on the flow channel plate is located in the non-flow channel structure.

10. The heat exchange plate according to any one of claims 1 to 7, characterized in that: The heat exchange part is configured as a heating element, and the heating element is in contact with the temperature averaging plate.

11. The heat exchange plate according to claim 10, characterized in that: The heating element is any one of a heating film and a PTC heater.

12. A battery pack, characterized in that: The invention comprises at least one battery and a heat exchange plate according to any one of claims 1 to 11, wherein the heat exchange plate exchanges heat with the battery.

13. The battery pack according to claim 12, characterized in that: Also includes a tray, The heat exchange plate is connected to the bottom of the tray, the heat exchange plate and the tray are surrounded to form a receiving cavity, and the battery is arranged in the receiving cavity, or, The tray has a bottom plate, the bottom plate and the tray side beams are arranged to form a receiving cavity, and the battery and the heat exchange plate are arranged in the receiving cavity.

14. The battery pack according to claim 12, characterized in that: A surface of the temperature homogenizing plate on one side facing away from the heat exchange portion is connected to the battery.

15. The battery pack according to claim 14, characterized in that: A heat-conducting adhesive is provided between the temperature averaging plate and the battery.

16. An electrical device, characterized in that: The electrical device comprises a battery pack according to any one of claims 12-15 or a heat exchange plate according to any one of claims 1-11.

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