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CN-224232848-U - Battery pack and energy storage device

CN224232848UCN 224232848 UCN224232848 UCN 224232848UCN-224232848-U

Abstract

The disclosure relates to a battery pack and energy storage equipment, and belongs to the technical field of battery design. The battery pack comprises a box body, a battery, a connector assembly and a cover plate, wherein the box body comprises a box seat and a box cover which are detachably connected, the box cover is provided with a first opening, the battery is fixed in the box seat, the connector assembly is respectively connected with the box cover and the battery, the connection part of the connector assembly and the battery is arranged opposite to the first opening, and the cover plate covers the first opening and is detachably connected with the box cover. By adopting the method and the device, the maintenance convenience of the battery pack can be improved.

Inventors

  • ZHANG YIHUI
  • Ren Bingyang
  • Ning Qingtao
  • SUN HUI
  • HE MING
  • LI HEXIN
  • GONG MUHONG

Assignees

  • 武汉亿纬储能有限公司

Dates

Publication Date
20260512
Application Date
20250324

Claims (13)

  1. 1. A battery pack, characterized in that the battery pack comprises a box body (1), a battery (2), a connector assembly (3) and a cover plate (4); The box body (1) comprises a box seat (11) and a box cover (12) which are detachably connected, and the box cover (12) is provided with a first opening (121); the battery (2) is fixed in the box seat (11); The connector assembly (3) is respectively connected with the box cover (12) and the battery (2), and the connection part of the connector assembly (3) and the battery (2) is arranged opposite to the first opening (121); The cover plate (4) covers the first opening (121) and is detachably connected with the case cover (12).
  2. 2. The battery pack according to claim 1, wherein the case base (11) has a cell mounting area (112) and an electrical mounting area (113) therein; The battery (2) comprises a battery core (21) and an electric component (22), wherein the battery core (21) is fixed in the battery core installation area (112), the electric component (22) is fixed in the electric installation area (113), and the electric component (22) is oppositely arranged with the first opening (121) and is respectively connected with the battery core (21) and the connector component (3).
  3. 3. The battery pack according to claim 1, wherein the case lid (12) has a second opening (122); The connector assembly (3) comprises a connecting plate (31) and a connector body (32) which are connected, wherein the connecting plate (31) covers the second opening (122) and is detachably connected with the box cover (12), and the connector body (32) is connected with the battery (2).
  4. 4. A battery pack according to claim 3, wherein the first opening (121) and the second opening (122) are rectangular openings.
  5. 5. A battery pack according to claim 3, wherein the edges of the first opening (121) and the edges of the second opening (122) each protrude from the top surface of the case cover (12).
  6. 6. The battery pack according to claim 5, wherein the edges of the first opening (121) and the second opening (122) have the same protruding height with respect to the top surface of the case cover (12).
  7. 7. A battery pack according to claim 3, wherein the second opening (122) is arranged opposite to an electrical mounting area (113) of the box base (11).
  8. 8. A battery pack according to claim 3, wherein the connector body (32) comprises connected connection heads (321) and connection rows (322); The connector (321) is connected with the connecting plate (31); The connection row (322) is connected to the battery (2).
  9. 9. The battery pack according to claim 8, wherein the connection head (321) includes a first electrode connection head (3211) and a second electrode connection head (3212), and the connection row (322) includes a first connection row (3221) and a second connection row (3222); The first electrode connector (3211) is connected to the first connection line (3221), and the second electrode connector (3212) is connected to the second connection line (3222).
  10. 10. The battery pack according to claim 9, wherein the connector (321) further comprises a service connector (3213), the battery pack further comprising a plug-in (5); The first connection row (3221) comprises a first sub-row (32211) and a second sub-row (32212), the first sub-row (32211) is connected with the first electrode connection head (3211), and the second sub-row (32212) is connected with the battery (2); The plug-in unit (5) can be plugged into the repair connection head (3213) in order to change the non-conductive state between the first sub-row (32211) and the second sub-row (32212) into a conductive state.
  11. 11. The battery pack according to claim 8, wherein the connection plate (31) and the connection head (321) are integrally formed.
  12. 12. Battery pack according to any of claims 1 to 11, characterized in that the cover plate (4) is detachably connected to the cover (12) by means of bolts (100).
  13. 13. An energy storage device comprising the battery pack of any one of claims 1 to 12.

Description

Battery pack and energy storage device Technical Field The disclosure relates to the technical field of battery design, and in particular relates to a battery pack and energy storage equipment. Background With the rapid development of energy storage technology, the battery pack is used as a core energy storage unit, and the structural design and maintainability of the battery pack are widely concerned. The battery pack includes a case, a battery, and a connector assembly. The box body comprises a box seat and a box cover, and the box seat and the box cover are detachably connected through bolts. The battery is fixed in the case seat. The connector assembly comprises a connector body and a connecting row, wherein the connector body is connected with the box cover and is used for electrically connecting an external joint, and two ends of the connecting row are respectively connected with the battery and the electric connector. With the increase of the service time limit, connection faults may occur between the connection rows and the batteries, and the connection positions of the connection rows and the batteries need to be overhauled. With the structure, when overhauling, the box seat and the box cover are required to be completely separated, however, the box cover has larger size and mass, and is difficult to assemble and disassemble. Disclosure of utility model The disclosure provides a battery pack and an energy storage device, which can solve the technical problems existing in the related art, and the technical scheme of the battery pack and the energy storage device is as follows: In a first aspect, the present disclosure provides a battery pack comprising a case, a battery, a connector assembly, and a cover plate; The box body comprises a box seat and a box cover which are detachably connected, and the box cover is provided with a first opening; the battery is fixed in the box seat; The connector assembly is respectively connected with the box cover and the battery, and the connection parts of the connector assembly and the battery are arranged opposite to the first opening; the cover plate covers the first opening and is detachably connected with the box cover. In one possible implementation, the case base has a cell mounting area and an electrical mounting area therein; The battery comprises a battery core and an electric component, wherein the battery core is fixed in the battery core installation area, the electric component is fixed in the electric installation area, and the electric component is oppositely arranged with the first opening and is respectively connected with the battery core and the connector component. In one possible implementation, the cover has a second opening; the connector assembly comprises a connecting plate and a connector body which are connected, wherein the connecting plate covers the second opening and is detachably connected with the box cover, and the connector body is connected with the battery. In one possible implementation, the first opening and the second opening are both rectangular openings. In one possible implementation, the edge of the first opening and the edge of the second opening protrude from the top surface of the cover. In one possible implementation, the protruding height of the edge of the first opening and the protruding height of the edge of the second opening with respect to the top surface of the cover are equal. In one possible implementation, the second opening is arranged opposite to the electrical mounting area of the box base. In one possible implementation, the connector body includes a connecting head and a connecting row connected to each other; the connector is connected with the connecting plate; The connection row is connected with the battery. In one possible implementation, the connectors include a first electrode connector and a second electrode connector, and the connection rows include a first connection row and a second connection row; The first electrode connector is connected with the first connecting row, and the second electrode connector is connected with the second connecting row. In one possible implementation, the connector further comprises a maintenance connector, and the battery pack further comprises a plug-in component; The first connecting row comprises a first sub-row and a second sub-row, the first sub-row is connected with the first electrode connector, and the second sub-row is connected with the battery; The plug-in component can be plugged into the maintenance connector so that the first sub-row and the second sub-row are changed from a non-conducting state to a conducting state. In one possible implementation, the connection plate and the connection head are integrally formed. In one possible embodiment, the cover plate is detachably connected to the cover plate by means of bolts. In a second aspect, the present disclosure provides an energy storage device comprising the battery pack of the first aspect and