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CN-224217635-U - Battery pack with high safety performance

CN224217635UCN 224217635 UCN224217635 UCN 224217635UCN-224217635-U

Abstract

The utility model relates to the technical field of safe battery packs and provides a battery pack with high safety performance, which comprises a bearing assembly, wherein the bearing assembly comprises a battery pack seat, three groups of grid leakage supporting plates are fixedly connected in the battery pack seat at equal intervals, and a battery pack bin which is arranged above each grid leakage supporting plate and used for placing a battery pack group is also arranged in the battery pack seat; the battery pack seat also comprises a collecting bin arranged below each drain net supporting plate, a cover plate is arranged at the top of the battery pack seat, a drain collecting component capable of absorbing battery drain is arranged at the position, located at the collecting bin, of the bottom of the battery pack seat, a screwing component arranged in the battery pack seat and located at the position of each battery pack bin, and a positioning damping component which is arranged in each battery pack bin and can rotate along with the screwing component so as to clamp and prevent the battery pack in the battery pack bin from loosening.

Inventors

  • TIAN LIMU
  • ZHU YALING
  • LI BIN
  • LUO SHAOJUN
  • ZHANG LI
  • CHEN SIQIAO
  • ZHAO YAJIE

Assignees

  • 湖北省电力装备有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (10)

  1. 1. The high-safety battery pack comprises a bearing assembly (1), and is characterized in that the bearing assembly (1) comprises a battery pack seat (11), three groups of grid leakage supporting plates (112) are fixedly connected inside the battery pack seat (11) at equal intervals, a battery pack bin (111) which is arranged above each grid leakage supporting plate (112) and is used for placing a battery pack group is further arranged inside the battery pack seat (11), and a collecting bin (113) which is arranged below each grid leakage supporting plate (112) is further arranged inside the battery pack seat (11); The top of the battery pack seat (11) is provided with a cover plate (12); A leakage collecting assembly (2) capable of absorbing battery leakage is arranged at the bottom of the battery pack seat (11) and positioned at the collecting bin (113); The screwing assembly (3) is arranged in the battery pack seat (11) and positioned at each battery pack bin (111); The positioning cushioning component (4) is arranged in each battery pack bin (111) and can rotate along with the screwing component (3) so as to clamp and loosen the battery pack in the battery pack bin (111).
  2. 2. The high-safety battery pack according to claim 1, wherein the leakage collecting member (2) comprises: a bottom plate (21) and bolts (22); the liquid-absorbing cotton layers (211) are fixedly connected to the top of the bottom plate (21) at equal intervals; Each liquid absorbing cotton layer (211) corresponds to each grid-leaking supporting plate (112); The bottom plate (21) is installed at the bottom of the battery pack seat (11) through bolts (22) in a threaded mode.
  3. 3. A high safety battery pack according to claim 1, wherein the screwing assembly (3) comprises: A threaded rod (31) rotatably connected to the inside of the battery pack holder (11); A twisting handle (311) arranged at the tail end of the threaded rod (31); The twisting handle (311) is positioned at the outer side of the battery pack seat (11).
  4. 4. A high safety battery pack according to claim 3, wherein the support assembly (1) further comprises: a threaded screwing cover (13) which is in threaded connection with the outer side of the battery pack seat (11); The screw cap (13) corresponds to the position of the handle (311).
  5. 5. A high safety battery pack according to claim 3, wherein the screwing assembly (3) further comprises: the sliding seat (32) is connected to the outer side of the threaded rod (31) at equal intervals in a threaded manner; And slope grooves (321) are formed in the side surfaces of the sliding seats (32).
  6. 6. The high-safety battery pack according to claim 1, wherein the positioning cushioning member (4) comprises: And hanging plates (422) which are fixedly connected to the side surfaces of the battery pack bins (111) at equal intervals.
  7. 7. The high safety battery pack according to claim 6, wherein the positioning cushioning member (4) further comprises: A limiting rod (423) connected to the inner side of each hanging plate (422) in a sliding way; And the spring rings (424) are sleeved outside the limiting rods (423).
  8. 8. The high safety battery pack according to claim 7, wherein the positioning cushioning member (4) further comprises: A sliding column (42) fixedly connected to the outer side of the limiting rod (423); a ball (421) rotatably connected to the side of the spool (42); the ball (421) corresponds to the position of the slope groove (321).
  9. 9. The high safety battery pack according to claim 8, wherein the positioning cushioning member (4) further comprises: And a top plate (425) fixedly connected to the front surface of the slide column (42).
  10. 10. The high safety battery pack according to claim 1, wherein the positioning cushioning member (4) further comprises: And the cushioning cotton layers (41) are distributed on the inner sides of the battery pack bins (111).

Description

Battery pack with high safety performance Technical Field The utility model relates to the technical field of safety battery packs, in particular to a battery pack with high safety performance. Background The battery pack is a key component in the fields of modern electronic equipment and new energy, plays a critical role, and can store electric energy efficiently in terms of energy storage just like an 'energy warehouse'. The electric automobile is taken as an example, can be charged when the load of the power grid is low, stores a large amount of electric energy, supplies power for the motor in the running process of the automobile, drives the automobile to advance, meets the daily travel requirement, and can provide stable and continuous current output in the aspect of power supply stability. In the electronic equipment, the device can ensure the stable operation of the equipment under various working conditions, and avoid the equipment from being halted or damaged due to voltage fluctuation. For medical equipment and precise instruments with severe power supply requirements, the stable power supply characteristic of the battery pack is important, and how to ensure that the battery pack is prevented from loosening and reducing the use safety caused by liquid leakage is a problem to be solved urgently. Through searching, the publication No. CN204577488U discloses a high-safety battery pack which comprises a lithium ion secondary battery monomer, a tray and an outer package body, wherein the tray comprises a battery loading part and a side wall part, the lithium ion secondary battery monomer is loaded on the battery loading part, the side wall part is erected from the edge of the battery loading part in the direction perpendicular to the battery loading part, the height of the side wall part is larger than the thickness of the lithium ion secondary battery monomer mounted on the tray, and the outer package body contains the tray on which a plurality of lithium ion battery monomers are loaded. The battery pack of the utility model has good sealability and compact structure, and even if the content at high temperature leaks from the lithium ion secondary battery, fuming, ignition and the like are difficult to generate, thereby remarkably improving the safety of users. The above-mentioned high security battery package has problems in that: The battery monomer is only horizontally arranged on the tray carrying part, so that under the working condition of vibration or impact, the battery is easy to displace to cause loose connection or structural damage, potential safety hazards exist, and meanwhile, the existing tray can prevent overflow through heightened side walls, but leakage liquid is accumulated in a closed space, and the problems of parts corrosion or secondary short circuit are possibly caused. Disclosure of utility model The utility model provides a battery pack with high safety performance, which solves the problems that in the prior art, a battery monomer fixing mode is loose, and leakage liquid is accumulated in a closed space, so that corrosion and secondary short circuit are easy to cause. The high-safety battery pack comprises a bearing assembly, wherein the bearing assembly comprises a battery pack seat, three groups of grid leakage supporting plates are fixedly connected in the battery pack seat at equal intervals, and a battery pack bin which is arranged above each grid leakage supporting plate and is used for placing the battery pack group is also arranged in the battery pack seat; The top of the battery pack seat is provided with a cover plate; A leakage collecting component which can absorb battery leakage is arranged at the bottom of the battery pack seat and positioned at the collecting bin; the screwing assembly is arranged in the battery pack seat and positioned at each battery pack bin; The positioning cushioning component is arranged in each battery pack bin and can rotate along with the screwing component so as to clamp and loosen the battery pack in the battery pack bin. Preferably, the leakage collecting assembly comprises: a bottom plate and bolts; the liquid absorption cotton layers are fixedly connected to the top of the bottom plate at equal intervals; each liquid absorbing cotton layer corresponds to each grid-leakage supporting plate; the bottom plate is arranged at the bottom of the battery pack seat through bolt threads. Preferably, the screwing assembly comprises: A threaded rod connected to the inside of the battery pack seat in a rotating manner; A twisting handle arranged at the tail end of the threaded rod; The twisting handle is positioned at the outer side of the battery pack seat. Preferably, the support assembly further comprises: the screw thread screwing cover is connected to the outer side of the battery pack seat in a screw thread manner; The screw cap corresponds to the handle. Preferably, the screwing assembly further comprises: equidistant screw thread is c