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CN-224231814-U - Explosion-proof equipment for lithium battery test

CN224231814UCN 224231814 UCN224231814 UCN 224231814UCN-224231814-U

Abstract

The utility model discloses an explosion-proof device for lithium battery test, which belongs to the field of explosion-proof boxes, and comprises an explosion-proof box body, wherein a box door is rotatably arranged on the front surface of the explosion-proof box body, a sliding groove is formed in the front surface of the box door, a filter device is slidably arranged on the outer side of the explosion-proof box body in the sliding groove, a fixing device for fixing the filter device is fixedly arranged above the filter device on the front surface of the box door, a ventilation device is arranged in the center of the front surface of the box door, the filter device comprises a mounting ring frame, the quick absorption and discharge of smoke generated by explosion in the explosion-proof box body can be realized, polluted air is prevented from being directly discharged, a filter element for absorbing the smoke can be quickly replaced, the filter element can be pre-assembled in advance, the purpose of quick replacement can be achieved when the service life of the filter element is ended in the absorption process, the absorption efficiency of the smoke is ensured, and the practicability of the device is improved.

Inventors

  • ZHOU WEI
  • ZHOU SHUNFENG
  • WANG ZHIMING

Assignees

  • 无锡驰和试验仪器有限公司

Dates

Publication Date
20260512
Application Date
20250514

Claims (7)

  1. 1. The explosion-proof device for the lithium battery test comprises an explosion-proof box body (1) and is characterized in that a box door (2) is rotatably arranged on the front side of the explosion-proof box body (1), a sliding groove (3) is formed in the front side of the box door (2), a filter device (4) is laterally arranged on the outer side of the explosion-proof box body (1) in the sliding groove (3), a fixing device (5) for fixing the filter device (4) is arranged above the filter device (4) in a fixed mode on the front side of the box door (2), and a ventilation device (6) is arranged in the center of the front side of the box door (2).
  2. 2. The explosion-proof device for lithium battery test according to claim 1, wherein the filter device (4) comprises a mounting ring frame (401), a sliding strip (402) is fixedly arranged on the back surface of the mounting ring frame (401), and the sliding strip (402) is slidably arranged in the sliding groove (3).
  3. 3. The explosion-proof device for lithium battery test according to claim 2, wherein the middle part of the installation ring frame (401) is fixedly provided with a fixed lantern ring (403), the left side and the right side of the inner wall of the installation ring frame (401) are fixedly provided with annular pipes (404) with the same size, the inner wall of the annular pipe (404) is provided with a clamping groove (405), the inner side of the installation ring frame (401) is attached to the outer wall of the box door (2) and is fixedly provided with a second filter plate (408), the outer side of the inner wall of the installation ring frame (401) is detachably provided with a second filter plate (408), and the left end and the right end of the second filter plate (408) are fixedly provided with clamping strips (407).
  4. 4. The explosion-proof device for lithium battery test according to claim 3, wherein the shape of the clamping strip (407) is matched with the shape of the clamping groove (405).
  5. 5. The explosion-proof device for lithium battery test according to claim 1, wherein the fixing device (5) comprises a fixing plate (501), a T-shaped sleeve rod (502) is movably sleeved in the fixing plate (501), a pull ring (504) is fixedly connected to the top end of the T-shaped sleeve rod (502), a spring (503) is fixedly connected to the bottom side of the top end of the T-shaped sleeve rod (502), the bottom end of the spring (503) is fixedly connected to the top surface of the fixing plate (501), one end of the fixing plate (501) is fixedly connected to the outer wall of the box door (2), and the size of the bottom end of the T-shaped sleeve rod (502) is matched with the size of the fixing collar (403).
  6. 6. The explosion-proof device for lithium battery test according to claim 1, wherein the ventilation device (6) comprises a motor (601), a belt (602) is installed on an output shaft transmission of the motor (601), a belt pulley (603) is installed on a bottom transmission of the belt (602), a mounting frame (604) is installed on the outer side of the belt pulley (603) in a rotating mode, a connecting shaft (605) is fixedly installed at the inner end of the belt pulley (603), a plurality of fan blades (606) are fixedly installed on the surface of the connecting shaft (605), the left end and the right end of the mounting frame (604) are fixedly installed on the inner wall of a box door (2), and a circular area formed by the fan blades (606) in a rotating mode is matched with the area of a second filter plate (408).
  7. 7. The explosion-proof device for lithium battery test according to claim 1, wherein the middle part of the box door (2) is provided with a mounting groove, and the shape of the mounting groove is matched with the shape of the ventilation device (6).

Description

Explosion-proof equipment for lithium battery test Technical Field The utility model relates to the field of explosion-proof boxes, in particular to an explosion-proof device for testing lithium batteries. Background When the lithium battery carries out compression test, prevent that it from exploding and causing external danger, usually place it in the inside of explosion-proof box and test, patent publication number CN216589746U discloses an explosion-proof equipment for lithium battery test, and relates to the lithium battery field, including the main part, the main part inside wall is provided with buffer gear, main part front end surface is close to one side position and is provided with the chamber door, the chamber door lateral surface is provided with logical cigarette mechanism, install the linking axle between chamber door one side and the main part lateral surface, the chamber door passes through linking axle and main part movable mounting, buffer gear includes the buffer tank, the flexible push rod is all installed near the four corners position to the buffer tank inside wall, flexible push rod one end is connected with the buffer plate, flexible push rod lateral surface winding is provided with the spring, and this explosion-proof equipment for lithium battery test can slow down the impact force that produces when the lithium battery explodes well through setting up buffer gear, avoids the device to damage because of the lithium battery explosion-proof effect well to the staff discharges from the device with the flue gas that produces when the lithium battery explosion. In the prior art, although the flue gas can be rapidly discharged from the inside of the box body, the flue gas is not directly discharged through certain purification treatment, so that environmental pollution is caused, a filter screen is usually adopted to filter in the prior art, but the filter screen needs to be frequently replaced due to the fact that the explosion smoke is more, the existing filter screen needs to be detached and then reassembled when being replaced, and the rapid replacement cannot be realized by preassembling in advance, so that the overall practicability of the device is reduced. Disclosure of utility model 1. Technical problem to be solved Aiming at the problems existing in the prior art, the utility model aims to provide the explosion-proof device for the lithium battery test, which can realize the rapid absorption and discharge of smoke generated by explosion in the explosion-proof box body, prevent the direct discharge of polluted air, can rapidly replace a filter element for absorbing the smoke, can also be preassembled in advance, can achieve the purpose of rapid replacement even when meeting the end of the service life of the filter element in the absorption process, ensures the absorption efficiency of the smoke, and improves the practicability of the device. 2. Technical proposal In order to solve the problems, the utility model adopts the following technical scheme. The utility model provides an explosion-proof equipment for lithium cell test, includes explosion-proof box, the front of explosion-proof box rotates installs the chamber door, the sliding tray has been seted up in the front of chamber door, the inside of sliding tray is located the outside of explosion-proof box and slides and install filter equipment, the front of chamber door is fixed to be located filter equipment's top and is provided with the fixing device who is used for fixing filter equipment, the inside of chamber door front central authorities is provided with ventilation unit. Further, the filter device comprises a mounting ring frame, wherein a sliding strip is fixedly arranged on the back surface of the mounting ring frame, and the sliding strip is slidably arranged in the sliding groove. Further, fixed lantern rings are fixedly installed in the middle of the installation ring frame, ring pipes with the same size are fixedly installed on the left side and the right side of the inner wall of the installation ring frame, clamping grooves are formed in the inner wall of the ring pipes, a second filter plate is fixedly installed on the outer wall of a box door in a manner that the inner side of the installation ring frame is attached to the inner side of the box door, a second filter plate is detachably installed on the outer side of the inner wall of the installation ring frame, and clamping strips are fixedly installed on the left end and the right end of the second filter plate. Further, the shape of the clamping strip is matched with the shape of the clamping groove. Further, fixing device includes the fixed plate, T type loop bar has been cup jointed to the inside activity of fixed plate, the top fixedly connected with pull ring of T type loop bar, the bottom fixedly connected with spring on T type loop bar top, the bottom fixed connection of spring is at the top surface of fixed plate, the one end fixed connection