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CN-224207261-U - Battery pack fire extinguishing device

CN224207261UCN 224207261 UCN224207261 UCN 224207261UCN-224207261-U

Abstract

The utility model relates to the technical field of fire extinguishing devices and discloses a battery pack fire extinguishing device which comprises a shell, wherein a top shell is arranged on the top wall of the shell, a plurality of fire extinguishing agents are equidistantly arranged on the periphery of the inner wall of the shell, a plurality of electric push rods are equidistantly and fixedly connected on the periphery of the inner wall of the shell, a rack is fixedly connected with the output end of each electric push rod, a gear is connected with the outer wall of each rack in a meshed mode, a rotating shaft is fixedly connected with the middle of each gear, a plurality of discs are equidistantly and fixedly connected on the periphery of the inner wall of the shell, and a rotary table is rotatably connected with the top wall of each disc. According to the utility model, the electric push rod pushes the rack to move, the rack drives the gear to rotate, the gear drives the rotary table on the rotary shaft to rotate on the disc, the rotary table enables the sliding column to slide in the sliding groove, the sliding column pushes the cutter block to slide in the sliding groove in the disc, the cutter block pierces the outer skin of the extinguishing agent, fire around the battery pack is rapidly extinguished, fire extinguishing dead angles can be effectively avoided, and fire extinguishing efficiency is improved.

Inventors

  • LI GUOSONG
  • MENG LINGZHAN
  • AN YAO
  • MAO GUOQING

Assignees

  • 上海美石智能系统有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (8)

  1. 1. A battery pack fire extinguishing device comprises a shell (1), and is characterized in that a top wall of the shell (1) is provided with a top shell (3), a plurality of fire extinguishing agents (4) are installed on the periphery of the inner wall of the shell (1) at equal intervals, a plurality of first sliding grooves (11) are fixedly connected on the periphery of the inner wall of the shell (1), a rack (6) is fixedly connected with the output end of the electric push rod (5), a gear (7) is connected with the outer wall of the rack (6) in a meshed mode, a rotating shaft (8) is fixedly connected with the middle part of the gear (7), a plurality of discs (9) are fixedly connected on the periphery of the inner wall of the shell (1) at equal intervals, a rotary table (10) is rotationally connected to the top wall of the discs (9), a plurality of first sliding grooves (11) are formed on the outer wall of the rotary table (10) at equal intervals, sliding columns (12) are connected on the inner wall of the first sliding grooves (11) at equal intervals, cutter blocks (14) are fixedly connected on the bottom wall of the sliding columns (12), a plurality of second sliding grooves (13) are formed on the outer wall of the discs (9) at equal intervals, a plurality of second sliding grooves (13) are formed in the periphery of the inner side of the discs (13) and are connected with a battery pack (23), the shell (1) and the outer wall of the top shell (3) are provided with fixing mechanisms (2), and the fixing mechanisms (2) are used for sealing the shell (1) and the top shell (3).
  2. 2. The battery pack fire extinguishing device according to claim 1, wherein the fixing mechanism (2) comprises a three sliding grooves (201), the three sliding grooves (201) are formed in four corners of the top wall of the shell (1) and the top shell (3), the inner wall of the three sliding grooves (201) is slidably connected with a threaded column (202), the inner wall of the threaded column (202) is slidably connected with a locking column (203), the inner bottom wall of the locking column (203) is fixedly connected with a spring (204), clamping blocks (205) are rotationally connected to the front side and the rear side of the middle lower portion of the outer wall of the threaded column (202), clamping grooves (206) are formed in the front side and the rear side of the middle lower portion of the inner wall of the three sliding grooves (201), the clamping blocks (205) are clamped with the clamping grooves (206), and the middle upper portion of the outer wall of the threaded column (202) is in threaded connection with a threaded knob (207).
  3. 3. The battery pack fire extinguishing device according to claim 1, wherein temperature sensors (15) are arranged on the periphery of the inner wall of the shell (1).
  4. 4. The battery pack fire extinguishing device according to claim 1, wherein a nameplate groove (16) is formed on the right side of the outer wall of the shell (1).
  5. 5. The battery pack fire extinguishing device according to claim 2, wherein the top wall of the locking column (203) is provided with an anti-slip pad (17), and the outer wall of the threaded knob (207) is provided with anti-slip patterns (18).
  6. 6. The fire extinguishing device for the battery pack according to claim 1, wherein the upper end and the lower end of the outer wall of the battery pack (23) are fixedly connected with flame retardant plates (19).
  7. 7. The battery pack fire extinguishing device according to claim 1, wherein heat radiating fins (20) are fixedly connected to the front side and the rear side of the outer wall of the shell (1).
  8. 8. The battery pack fire extinguishing device according to claim 1, wherein the front side and the rear side of the top wall of the top shell (3) are fixedly connected with extension plates (21), and the outer walls of the two extension plates (21) are fixedly connected with mounting plates (22) at equal intervals on the sides far away from each other.

Description

Battery pack fire extinguishing device Technical Field The utility model relates to the technical field of fire extinguishing devices, in particular to a battery pack fire extinguishing device. Background A battery pack is a power supply device in which a plurality of battery cells are connected together in series, parallel, or a combination of series and parallel, and is equipped with a battery management system and a housing assembly to provide a specific voltage, capacity, and power output. The battery pack fire extinguishing device is a device specially designed for rapidly and effectively extinguishing a battery pack fire, and is generally composed of a fire extinguishing agent storage and release system, a fire detection and alarm system and a control assembly. The battery pack is formed by using inorganic salt components in the dry powder extinguishing agent to perform chemical reaction at high temperature to form a covering layer, isolating oxygen and simultaneously inhibiting combustion reaction, but the installation position of the extinguishing device is unreasonable, so that the extinguishing device cannot effectively perform in time when a fire disaster occurs, for example, the installation position is too high or too low, the extinguishing agent can be blocked in the spraying process and cannot accurately reach the ignition point, or the extinguishing device is installed in a place which is easy to collide or damage, so that the extinguishing device is damaged due to the action of external force when no fire disaster occurs, and the extinguishing device is installed at a position close to the modules in the prior art, so that the extinguishing agent can reach a fire source more quickly, but the position and the angle of a spray head are improperly designed, so that the extinguishing agent cannot uniformly cover all parts of the battery pack, and a dead angle of the extinguishing is generated. Disclosure of utility model In order to make up for the defects, the utility model provides a battery pack fire extinguishing device, and aims to solve the problem that fire extinguishing dead angles appear in all parts of a battery pack cannot be uniformly covered by fire extinguishing agents in the prior art. In order to achieve the aim, the battery pack fire extinguishing device comprises a shell, wherein a top shell is arranged on the top wall of the shell, a plurality of fire extinguishing agents are equidistantly arranged on the periphery of the inner wall of the shell, a plurality of electric push rods are equidistantly and fixedly connected on the periphery of the inner wall of the shell, a rack is fixedly connected to the output end of each electric push rod, a gear is connected to the outer wall of each rack in a meshed mode, a rotating shaft is fixedly connected to the middle of each gear, a plurality of discs are fixedly connected on the periphery of the inner wall of the shell, a rotating disc is rotatably connected to the top wall of each disc, the rotating shaft is fixedly connected to the middle of the bottom wall of the rotating disc, a plurality of first sliding grooves are formed in the outer wall of each rotating disc at equal intervals, a sliding column is connected to the inner wall of each sliding column in a sliding mode, a plurality of second sliding grooves are formed in the periphery of the outer wall of each disc, a battery pack is fixedly connected to the inner side of the shell, and a fixing mechanism is arranged on the outer wall of the shell and the top shell and is used for sealing the shell and the top shell. As a further description of the above technical solution: The fixing mechanism comprises a third sliding groove, the third sliding groove is formed in four corners of the top wall of the shell and the top shell, a threaded column is slidably connected to the inner wall of the third sliding groove, a locking column is slidably connected to the inner wall of the threaded column, a spring is fixedly connected to the inner bottom wall of the locking column, clamping blocks are rotatably connected to the front side and the rear side of the lower portion of the outer wall of the threaded column, clamping grooves are formed in the front side and the rear side of the lower portion of the inner wall of the third sliding groove, the clamping blocks are clamped with the clamping grooves, and a threaded knob is connected to the upper portion of the outer wall of the threaded column through threads. As a further description of the above technical solution: temperature sensors are arranged on the periphery of the inner wall of the shell. As a further description of the above technical solution: The right side of the outer wall of the shell is provided with a nameplate groove. As a further description of the above technical solution: the top wall of the locking column is provided with an anti-slip pad, and the outer wall of the threaded knob is provided with anti-slip patterns. As