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CN-224204177-U - Runner plate, heat exchange structure, battery package and vehicle

CN224204177UCN 224204177 UCN224204177 UCN 224204177UCN-224204177-U

Abstract

The application relates to the technical field of batteries, and provides a runner plate, a heat exchange structure, a battery pack and a vehicle, wherein the runner plate is provided with a runner, the flow passage plate is formed with a fitting portion for accommodating a sealing member for effecting sealing between the flow passage plate and the vehicle body main body. The position of the matching part is not provided with a runner, the first contact part of the sealing element can be connected with the matching part without being extruded to the runner, and the second contact part of the sealing element can be in sealing connection with the body of the vehicle. When the runner plate is installed on the heat exchange structure, the runner plate can replace the collection of the runner plate, the annular supporting piece and the sealing plate of the heat exchange assembly in the prior art. Compared with the heat exchange assembly in the prior art, the heat exchange structure comprises fewer parts, is simpler in structure, and is lower in production cost, so that the production cost of the battery pack can be reduced.

Inventors

  • DIAO YIWEI
  • ZHAO XINYI
  • JIANG MINGMING
  • Ping lang
  • HUANG JIANWEN

Assignees

  • 比亚迪股份有限公司

Dates

Publication Date
20260505
Application Date
20250331

Claims (20)

  1. 1. A flow field plate, characterized in that the flow field plate has a flow field (1111) formed with a mating portion (1112), the mating portion (1112) being adapted to accommodate a seal (200), the seal (200) being adapted to effect a seal between the flow field plate and a body (300).
  2. 2. The flow field plate according to claim 1, characterized in that the flow field plate comprises a plate body (1115), and the engaging portion (1112) is located on a plate surface of at least one side of the plate body (1115) in a thickness direction.
  3. 3. The flow channel plate according to claim 2, wherein the flow channel (1111) is provided on a plate surface of at least one side of the plate body (1115) in a thickness direction.
  4. 4. The flow path plate according to claim 3, wherein the plate body (1115) has a first plate surface and a second plate surface which are disposed opposite to each other in a thickness direction, and the flow path (1111) and the fitting portion (1112) are both located on the first plate surface.
  5. 5. The flow field plate according to any of claims 1-4, characterized in that the mating portion (1112) is an avoidance portion, which is located on the plate surface of the flow field plate at a position offset from the flow field (1111).
  6. 6. The flow field plate according to claim 5, wherein the engaging portion (1112) includes a relief groove (11121), and the relief groove (11121) is formed in a plate surface of at least one side of the flow field plate in a thickness direction.
  7. 7. The flow field plate according to claim 6, characterized in that the relief groove (11121) is located in the first plate surface of the plate body (1115).
  8. 8. The flow channel plate according to claim 7, characterized in that the groove bottom of the escape groove (11121) is located at a position offset from the flow channel (1111) on the plate surface of the flow channel plate, and the groove bottom of the escape groove (11121) is a plane.
  9. 9. The flow field plate according to claim 5, wherein the mating portion (1112) includes a relief hole penetrating the flow field plate in a thickness direction thereof.
  10. 10. The flow field plate of claim 9, wherein the relief holes are located on the plate surface of the flow field plate at a position offset from the flow field (1111), and the walls of the relief holes are adapted to be connected to the sealing member (200).
  11. 11. The flow field plate of claim 10 wherein the relief aperture has the same dimension in the flow field plate face direction as the seal (200).
  12. 12. The flow field plate according to any one of claims 1 to 4, wherein the number of the flow channels (1111) is plural, the plural flow channels (1111) include a first flow channel (1113) and a second flow channel (1114), and the first flow channel (1113) and the second flow channel (1114) are located on opposite sides of the mating portion (1112), respectively, along a plate surface direction of the flow field plate.
  13. 13. The flow field plate according to claim 12, wherein the flow field plate is adapted to be cooperatively connected with a temperature equalizing plate (112), and wherein the first flow field (1113) and the second flow field (1114) are adapted to communicate with an auxiliary flow field (113) of the temperature equalizing plate (112).
  14. 14. The flow field plate according to claim 12, characterized in that the first flow channel (1113) is located in a central area of the flow field plate, and that the second flow channel (1114) and the mating part (1112) are both located at a side of a part of the first flow channel (1113) close to an edge of the flow field plate.
  15. 15. The flow field plate according to any of the claims 1-4, characterized in that the mating part (1112) comprises a first connection part (11122), the first connection part (11122) being adapted to be connected with a temperature equalizing plate (112).
  16. 16. The flow field plate according to claim 15, characterized in that the first connection (11122) is an annular connection at the edge of the flow field plate, and the flow channels (1111) are located in the area enclosed by the annular connection.
  17. 17. The flow field plate according to claim 15, characterized in that the mating portion (1112) comprises a relief groove (11121), the relief groove (11121) extending to the position of the first connection portion (11122).
  18. 18. A heat exchange structure, comprising: The flow field plate of any one of claims 1-17; and the temperature equalization plate (112), wherein the temperature equalization plate (112) is connected with the runner plate in a matching way.
  19. 19. The heat exchange structure according to claim 18, wherein the temperature equalizing plate (112) is provided with auxiliary flow passages (113), and both ends of the auxiliary flow passages (113) are communicated with the flow passages (1111) on the flow passage plate.
  20. 20. The heat exchange structure according to claim 19, wherein the first end of the auxiliary flow channel (113) communicates with the first flow channel (1113) of the flow channel plate; the second end of the auxiliary runner (113) is communicated with a second runner (1114) of the runner plate.

Description

Runner plate, heat exchange structure, battery package and vehicle Technical Field The application relates to the technical field of batteries, in particular to a flow passage plate, a heat exchange structure, a battery pack and a vehicle. Background With the rapid development of electric vehicles, vehicle-mounted battery packs become an important component of the vehicles. The battery pack generates a large amount of heat during the charge and discharge processes, and heat dissipation is required to be performed to the battery pack in order to maintain the temperature of the battery pack within a reasonable range. In the prior art, the heat dissipation function of the battery pack is generally realized by arranging a heat exchange assembly on the battery pack. However, the heat exchange assembly has more parts, complex structure and inconvenient assembly, thereby resulting in higher production cost of the battery pack. Disclosure of utility model The application provides a runner plate, a heat exchange structure, a battery pack and a vehicle, wherein the runner plate is simple in structure, and the heat exchange structure comprising the runner plate is simpler, so that the production cost of the heat exchange structure can be reduced, and the production cost of the battery pack is also reduced. In order to achieve the above purpose, the present application adopts the following technical scheme: in a first aspect, the present application provides a flow field plate having a flow field formed with a mating portion for receiving a seal for effecting a seal between the flow field plate and a body of a vehicle. As an alternative embodiment, the flow channel plate includes a plate body, and the mating portion is located on a plate surface of at least one side of the plate body in a thickness direction. As an alternative embodiment, the flow channel is disposed on a plate surface of at least one side of the plate body in the thickness direction. As an alternative implementation mode, the plate body is provided with a first plate surface and a second plate surface which are opposite to each other in the thickness direction, and the runner and the matching part are both positioned on the first plate surface. As an alternative embodiment, the engaging portion is an avoiding portion, and the avoiding portion is located at a position on the plate surface of the flow channel plate, which is offset from the flow channel. As an alternative implementation mode, the matching part comprises an avoidance groove, and the avoidance groove is formed on the surface of at least one side of the flow channel plate along the thickness direction. As an alternative embodiment, the avoidance groove is located on the first plate surface of the plate body. As an optional implementation manner, the groove bottom of the avoidance groove is located at a position staggered from the flow channel on the surface of the flow channel plate, and the groove bottom of the avoidance groove is a plane. As an alternative embodiment, the mating portion includes a relief hole that penetrates the flow field plate in a thickness direction of the flow field plate. As an optional implementation manner, the avoidance hole is located at a position on the surface of the flow channel plate, staggered from the flow channel, a part of the surface of the plate body, which is not covered by the flow channel, and the hole wall of the avoidance hole is used for being connected with the sealing element. As an alternative embodiment, the dimension of the avoidance hole along the surface direction of the flow channel plate is the same as the dimension of the sealing element along the surface direction of the flow channel plate. As an alternative embodiment, the number of the flow channels is a plurality, the plurality of flow channels comprises a first flow channel and a second flow channel, and the first flow channel and the second flow channel are respectively positioned on two opposite sides of the matching part along the plate surface direction of the flow channel plate. As an alternative implementation mode, the flow channel plate is used for being matched and connected with the temperature equalization plate, and the first flow channel and the second flow channel are both used for being communicated with an auxiliary flow channel of the temperature equalization plate. As an alternative embodiment, the first flow channel is located in a central region of the flow field plate, and the second flow channel and the mating portion are both located on a side of a portion of the first flow channel that is adjacent to an edge of the flow field plate. As an alternative embodiment, the mating portion includes a first connection portion for connection with a temperature equalization plate. As an alternative embodiment, the first connection portion is an annular connection portion located at an edge of the runner plate, and the runner is located in an area surrounded by the ann