CN216082864U

CN216082864U - Explosion-proof dedicated high temperature case of lithium cell

Info

Publication number: CN216082864U
Application number: CN202122681766.9U
Authority: CN
Inventors: 思俊峰; 邹文龙; 谭越
Original assignee: Guangdong Qiya Testing Equipment Co ltd
Current assignee: Guangdong Qiya Testing Equipment Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-18
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to a special high-temperature box for explosion prevention of a lithium battery, which belongs to the field of lithium batteries and comprises a high-temperature box body, wherein an explosion-proof sealing door is arranged on the high-temperature box body, a partition plate is arranged at the middle part in the high-temperature box body, electric heating devices are respectively arranged at the top of the inner wall of the high-temperature box body and the bottom of the partition plate, and lithium battery explosion-proof placing devices are respectively arranged at the bottom of the high-temperature box body and the top of the partition plate; the lithium battery testing device effectively solves the problem of low safety in the existing lithium battery testing process, ensures constant testing temperature of the lithium battery, avoids the condition that the lithium battery is heated unevenly at high temperature, enables the lithium battery to be heated evenly at high temperature, improves testing accuracy, effectively prevents the problems of spontaneous combustion and explosion in the lithium battery testing process, improves testing safety, reduces potential safety hazards, and has remarkable practicability.

Description

Explosion-proof dedicated high temperature case of lithium cell

The technical field is as follows:

the utility model relates to the field of lithium batteries, in particular to a high-temperature box special for explosion prevention of a lithium battery.

Background art:

after the lithium battery is produced, before the lithium battery reaches the hands of consumers, battery safety detection is needed to ensure the safety of the battery and reduce the potential safety hazard. The existing lithium battery explosion-proof detection comprises temperature detection, pressure resistance detection, humidity detection and the like, and the temperature detection is more important in the lithium battery. The existing lithium battery has the defects that the test result has deviation because the lithium battery is heated unevenly in the test box, the local heated uneven lithium battery can generate spontaneous combustion and even explosion danger, and the potential safety hazard is larger at present in the high-temperature explosion-proof test. Therefore, the utility model provides a special high-temperature box for explosion prevention of a lithium battery, which aims to solve the defects and shortcomings in the prior art.

The utility model has the following contents:

the utility model aims to overcome the defects in the prior art and provide the special high-temperature box for explosion prevention of the lithium battery.

The technical scheme adopted by the utility model is as follows:

the utility model provides an explosion-proof dedicated high temperature box of lithium cell, includes the high temperature box, be equipped with explosion-proof sealing door on the high temperature box, the middle part is equipped with the baffle in the high temperature box, high temperature box inner wall top with all be equipped with the electricity device that generates heat on the baffle bottom, the high temperature bottom of the case with the explosion-proof placer of lithium cell is all installed and is equipped with at the baffle top, be equipped with thermodetector on the inside lateral wall of high temperature box, be equipped with the valve that loses heart on the high temperature box lateral wall.

Preferably, the explosion-proof placer of lithium cell includes explosion-proof rack, metal braced frame, grafting track, protective frame, high strength metal mesh, be equipped with the standing groove between the explosion-proof placer, metal braced frame installs between the standing groove, explosion-proof placer top is equipped with the grafting track, the activity grafting between the grafting track is equipped with protective frame, be equipped with between protective frame high strength metal mesh.

Preferably, a plurality of gas diversion trenches are arranged on the side edge of the placing groove.

Preferably, a transparent observation window is arranged on the explosion-proof sealing door.

Preferably, the electric heating device is composed of an electric heating tube and a safety metal net cover, the safety metal net cover is arranged on the top of the inner wall of the high-temperature box body and the bottom of the partition plate, and the electric heating tube is arranged inside the safety metal net cover.

The utility model has the beneficial effects that: the lithium battery testing device effectively solves the problem of low safety in the existing lithium battery testing process, monitors the problem inside the high-temperature box body in real time, ensures constant testing temperature of the lithium battery, avoids the condition that the lithium battery is heated unevenly at high temperature, enables the lithium battery to be heated evenly at high temperature, improves testing accuracy, effectively prevents spontaneous combustion and explosion in the lithium battery testing process, improves testing safety, reduces potential safety hazards, and has remarkable practicability.

Description of the drawings:

FIG. 1: the utility model is a three-dimensional structure schematic diagram of a first view angle.

FIG. 2: the utility model is shown in figure 1 as a structural schematic diagram of an explosion-proof sealing door in an opening state.

FIG. 3: fig. 2 is a schematic structural view from another view angle according to the present invention.

FIG. 4: the utility model is shown in partial cross-sectional view in fig. 2.

FIG. 5: the utility model discloses a structural schematic diagram of an explosion-proof placing device for a lithium battery.

In the figure: 001. high temperature box, 002, explosion-proof sealing door, 003, baffle, 004, the electricity device that generates heat, 401, the electricity heating tube, 402, safe metal mesh enclosure, 005, the explosion-proof placer of lithium cell, 501, explosion-proof rack, 502, metal braced frame, 503, grafting track, 504, protective frame, 505, high strength metal mesh, 006, thermodetector, 007, the valve of leaking gas, 008, standing groove, 009, gaseous guiding gutter, 010, transparent observation window.

The specific implementation mode is as follows:

the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-5, a special high-temperature box for explosion protection of lithium batteries comprises a high-temperature box body 001, wherein an explosion-proof sealing door 002 is arranged on the high-temperature box body 001, a partition board 003 is arranged at the middle part in the high-temperature box body 001, electric heating devices 004 are arranged at the top of the inner wall of the high-temperature box body 001 and the bottom of the partition board 003, an explosion-proof lithium battery placing device 005 is arranged at the bottom of the high-temperature box body 001 and the top of the partition board 003, a temperature detector 006 is arranged on the inner side wall of the high-temperature box body 001, and an air leakage valve 007 is arranged on the side wall of the high-temperature box body 001.

The further optimization of the scheme is set as follows: as shown in fig. 5, the explosion-proof placing device 005 of the lithium battery comprises an explosion-proof placing frame 501, a metal supporting frame 502, a splicing rail 503, a protection frame 504 and a high-strength metal mesh 505, placing grooves 008 are formed between the explosion-proof placing frame 501, the metal supporting frame 502 is installed between the placing grooves 008, the splicing rail 503 is arranged at the top of the explosion-proof placing frame 501, the protection frame 504 is movably spliced between the splicing rails 503, the high-strength metal mesh 505 is arranged between the protection frames 504, the lithium battery is placed on the metal supporting frame 502 between the placing grooves 008 on the explosion-proof placing frame 501, the protection frame 504 is spliced on the splicing rail 503 after the lithium battery is placed, and then the high-temperature lithium battery explosion-proof test is performed.

The further optimization of the scheme is set as follows: as shown in the figure, the standing groove 008 side is equipped with a plurality of gaseous guiding gutters 009, and this makes the temperature heat get into the standing groove 008 through guiding gutter 009, and metal braced frame 502 is the fretwork for place lithium cell bottom temperature and high temperature box 001 on metal braced frame 502 in the temperature intercommunication, guarantee that the lithium cell is heated evenly.

The further optimization of the scheme is set as follows: as shown in fig. 1-4, the explosion-proof sealing door 002 is provided with a transparent observation window 010, the transparent observation window 010 has high temperature resistance, and the condition of the lithium battery inside the high-temperature box 001 is directly observed through the transparent observation window 010.

The further optimization of the scheme is set as follows: as shown in fig. 4, the electric heating device 004 comprises an electric heating tube 401 and a safety metal mesh enclosure 402, the safety metal mesh enclosure 402 is installed on the top of the inner wall of the high-temperature box 001 and the bottom of the partition 003, the electric heating tube 401 is installed inside the safety metal mesh enclosure 402, and the electric heating tube 401 heats to raise the temperature inside the high-temperature box 001.

The using method or principle of the utility model is as follows: the lithium cell that will treat explosion-proof test is placed on metal braced frame 502 between standing groove 008 on explosion-proof rack 501, the lithium cell is placed and is accomplished the back and peg graft protection frame 504 on grafting track 503, close explosion-proof sealing door 002, then carry out the explosion-proof test of high temperature lithium cell, heat through electric heating tube 401, temperature rise in the box 001 of high temperature, this makes the temperature heat get into in the standing groove 008 through guiding gutter 009, metal braced frame 502 is the fretwork, make and place lithium cell bottom temperature and high temperature box 001 in the temperature intercommunication on metal braced frame 502, guarantee that the lithium cell is heated evenly. When spontaneous combustion or explosion occurs in the lithium battery explosion-proof test process, the protective frame 504 and the high-strength metal mesh 505 can effectively protect, and the air pressure in the high-temperature box 001 is ensured by the air escape valve 007.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an explosion-proof dedicated high temperature case of lithium cell which characterized in that: including high temperature box (001), be equipped with explosion-proof sealing door (002) on high temperature box (001), the middle part is equipped with baffle (003) in high temperature box (001), high temperature box (001) inner wall top with all be equipped with electricity generating device (004) on baffle (003) bottom, high temperature box (001) bottom with baffle (003) top is all installed and is equipped with explosion-proof placer of lithium cell (005), be equipped with thermodetector (006) on the inside lateral wall of high temperature box (001), be equipped with disappointing valve (007) on high temperature box (001) lateral wall.

2. The explosion-proof special high-temperature box of lithium cell of claim 1, characterized in that: explosion-proof placer of lithium cell (005) is including explosion-proof rack (501), metal braced frame (502), grafting track (503), protective frame (504), high strength metal mesh (505), be equipped with standing groove (008) between explosion-proof rack (501), install metal braced frame (502) between standing groove (008), explosion-proof rack (501) top is equipped with grafting track (503), the activity grafting is equipped with between grafting track (503) protective frame (504), be equipped with between protective frame (504) high strength metal mesh (505).

3. The explosion-proof special high-temperature box of lithium cell of claim 2, characterized in that: a plurality of gas diversion trenches (009) are arranged on the side of the placing groove (008).

4. The explosion-proof special high-temperature box of lithium cell of claim 1, characterized in that: and a transparent observation window (010) is arranged on the explosion-proof sealing door (002).

5. The explosion-proof special high-temperature box of lithium cell of claim 1, characterized in that: the electric heating device (004) is composed of an electric heating tube (401) and a safety metal mesh enclosure (402), the safety metal mesh enclosure (402) is installed on the top of the inner wall of the high-temperature box body (001) and the bottom of the partition plate (003), and the electric heating tube (401) is installed inside the safety metal mesh enclosure (402).