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CN-122025982-A - A electric core protection subassembly and battery package for electric core module

CN122025982ACN 122025982 ACN122025982 ACN 122025982ACN-122025982-A

Abstract

The invention relates to the technical field of moisture prevention of power batteries, and discloses a battery core protection assembly for a battery core module and a battery pack. The battery cell protection assembly comprises a protection cover, a support frame, an acquisition module, an electric conduction piece, a heat conduction piece and a moisture-proof piece, wherein the protection cover and the support frame are surrounded to form an accommodating space, the acquisition module, the electric conduction piece, the heat conduction piece and the moisture-proof piece are all arranged in the accommodating space, a first groove for accommodating the moisture-proof piece is formed in the support frame, a diversion groove for collecting condensation is formed in the outer top surface of the protection cover, the edge of the protection cover is bent downwards to form a drainage step, a notch is formed in the protection cover, the diversion groove is communicated with the drainage step through the notch so as to guide the collected condensation to the bottom of the outer periphery side of the battery cell module, the condensation is prevented from dripping to a power receiving area of the battery cell module, and the battery cell module does not need to be sealed and moisture-proof through a full-filling mode, so that the battery cell module can be maintained or maintained at any time or periodically, and the maintenance cost is greatly reduced.

Inventors

  • YANG XIAOFENG

Assignees

  • 苏州恒美电子科技股份有限公司

Dates

Publication Date
20260512
Application Date
20251225

Claims (10)

  1. 1. A cell protection assembly for a cell module, the cell protection assembly comprising: the device comprises a protective cover, a supporting frame, an acquisition module, an electric conduction piece, a heat conduction piece and a moistureproof piece; the outer top surface of the protective cover is provided with a diversion trench, the diversion trench is used for collecting the condensation, the edge of the protective cover is bent downwards to form a diversion step, the protective cover is provided with a notch, and the diversion trench is communicated with the diversion step through the notch so as to guide the collected condensation to the bottom of the outer periphery side of the battery cell module, and the condensation is prevented from dripping to a power connection area of the battery cell module; the protective cover and the support frame are surrounded to form an accommodating space; the collection module the electrically conductive piece the heat conduction piece with dampproofing spare all set up in the accommodation space, just be equipped with on the support frame and be used for holding dampproofing spare first recess.
  2. 2. The cell protection assembly of claim 1, wherein the drainage step is of an "L" configuration and/or; the cross section of the diversion trench is any one of a V-shaped structure, a trapezoid structure, a W-shaped structure or a rectangle.
  3. 3. The cell protection assembly according to claim 1, wherein one side of the support frame is disposed on the cell module, the first groove is disposed on the other side of the support frame, the conductive member is disposed on the support frame and is disposed on one side or two sides of the moisture-proof member, the collection module is disposed on the moisture-proof member, and two ends of the conductive member are respectively connected with the collection module and the power connection portion of the cell module.
  4. 4. The battery cell protection assembly according to claim 3, wherein the conductive member is provided with a plurality of conductive parts, the power receiving area of the battery cell module is provided with a plurality of power receiving parts, the support frame is provided with a plurality of second grooves for accommodating the conductive parts corresponding to the conductive parts, each second groove is provided with a avoidance opening corresponding to each power receiving part, and the power receiving parts are exposed from the corresponding avoidance openings and are electrically connected to the conductive parts.
  5. 5. The cell protection assembly according to claim 4, wherein the plurality of heat conducting members are disposed corresponding to the plurality of electric conducting members, one side of each heat conducting member is disposed on each electric conducting member, the inner top surface of the protection cover is attached to the other side of each heat conducting member, and each heat conducting member is disposed in the second groove.
  6. 6. The cell protection assembly according to claim 3, wherein the cell module is provided with a plurality of air release valves, the positions of the first grooves corresponding to the air release valves are respectively provided with a plurality of air release channels, the moisture-proof piece corresponding to the air release channels is respectively provided with a plurality of air release holes, and the air release valves, the air release channels and the air release holes are sequentially communicated to form an air release path.
  7. 7. The cell protection assembly of claim 1, further comprising a temperature sensor, wherein one end of the temperature sensor is disposed on the acquisition module and the other end is disposed on the cell module in a fitting manner.
  8. 8. The cell protection assembly according to claim 1, wherein the inner top surface of the protection cover is provided with a protrusion corresponding to the first groove, and the protrusion is matched with the edge of the first groove to guide the protection cover to perform self-positioning during assembly.
  9. 9. The cell protection assembly of claim 1, wherein a hydrophobic coating is disposed within the channel.
  10. 10. A battery pack comprising a cell module and a cell protection assembly according to any one of claims 1-9, wherein the cell protection assembly is disposed on the cell module and electrically connected to the cell module.

Description

A electric core protection subassembly and battery package for electric core module Technical Field The invention relates to the technical field of moisture prevention of power batteries, in particular to a battery core protection assembly for a battery core module and a battery pack. Background The battery pack plays an important role in a new energy automobile, and is a high-voltage high-capacity battery assembly composed of a plurality of single batteries. Depending on the requirements, different numbers, different chemical compositions and different sizes of cells may be used to make up the battery pack. For example, the battery pack may be divided into a single-layer battery pack, a double-layer battery pack, and a multi-layer battery pack according to the number of layers. In the prior art, for a double-layer battery pack or a multi-layer battery pack, a full-glue filling mode is generally adopted for sealing, so that internal electrical short circuit caused by condensation generated by temperature difference is prevented, but the full-glue filling battery pack is high in subsequent maintenance cost or incapable of being maintained. Disclosure of Invention The invention mainly aims to provide a battery cell protection assembly for a battery cell module and a battery pack, and aims to solve the technical problem that the maintenance cost of the existing battery pack is high due to condensation prevention. To achieve the above object, the present invention provides a cell protection assembly for a cell module, the cell protection assembly comprising: the device comprises a protective cover, a supporting frame, an acquisition module, an electric conduction piece, a heat conduction piece and a moistureproof piece; the outer top surface of the protective cover is provided with a diversion trench, the diversion trench is used for collecting the condensation, the edge of the protective cover is bent downwards to form a diversion step, the protective cover is provided with a notch, and the diversion trench is communicated with the diversion step through the notch so as to guide the collected condensation to the bottom of the outer periphery side of the battery cell module, and the condensation is prevented from dripping to a power connection area of the battery cell module; the protective cover and the support frame are surrounded to form an accommodating space; the collection module the electrically conductive piece the heat conduction piece with dampproofing spare all set up in the accommodation space, just be equipped with on the support frame and be used for holding dampproofing spare first recess. Optionally, in one embodiment, the drainage step is in an L-shaped structure and/or; the cross section of the diversion trench is any one of a V-shaped structure, a trapezoid structure, a W-shaped structure or a rectangle. Optionally, in an embodiment, one side of the support frame is disposed on the battery cell module, the first groove is located on the other side of the support frame, the conductive member is provided with at least one, the conductive member is disposed on the support frame and is located on one side or two sides of the moisture-proof member, the collecting module is disposed on the moisture-proof member, and two ends of the conductive member are respectively connected with the collecting module and the power connection part of the battery cell module. Optionally, in an embodiment, the conductive member is provided with a plurality of, the power receiving area of the electric core module is provided with a plurality of power receiving parts, the support frame corresponds to the conductive member is provided with a plurality of second grooves for accommodating the conductive member, each second groove corresponds to each power receiving part and is provided with an avoidance opening, and the power receiving parts are exposed from the corresponding avoidance openings and are electrically connected to the conductive member. Optionally, in an embodiment, the heat conducting members are disposed in plurality corresponding to the conductive members, one side of each heat conducting member is disposed on each conductive member, the inner top surface of the protective cover is attached to the other side of each heat conducting member, and each heat conducting member is disposed in the second groove. Optionally, in an embodiment, the cell module is provided with a plurality of air release valves, positions of the first groove corresponding to the plurality of air release valves are respectively provided with a plurality of air release channels, the moisture-proof piece corresponding to the plurality of air release channels is respectively provided with a plurality of air release holes, and the air release valves, the air release channels and the air release holes are sequentially communicated to form an air release path. Optionally, in an embodiment, the battery cell protection assembly further inclu