CN219777884U - Lithium battery thermal runaway extremely early detection device - Google Patents
Lithium battery thermal runaway extremely early detection device Download PDFInfo
- Publication number
- CN219777884U CN219777884U CN202321033941.6U CN202321033941U CN219777884U CN 219777884 U CN219777884 U CN 219777884U CN 202321033941 U CN202321033941 U CN 202321033941U CN 219777884 U CN219777884 U CN 219777884U
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- China
- Prior art keywords
- lithium battery
- power supply
- detection device
- thermal runaway
- supply box
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- -1 alkane compounds Chemical class 0.000 abstract description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 3
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 238000003331 infrared imaging Methods 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical class CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a lithium battery thermal runaway extremely early detection device, which comprises a main body assembly, wherein the main body assembly comprises a power supply box, a motor, a screw rod and a support; the motor is arranged on the rear surface of the power supply box; the inside and the top of main part subassembly are equipped with the detection subassembly, the detection subassembly includes controller, signal transmission ware, audible-visual annunciator, gas sensor, camera, infrared imaging appearance and light filling lamp. According to the utility model, the concentration of each component of gas in the power supply box is detected by the gas sensor, and when the concentration of electrolyte organic solvent steam, carbon monoxide or alkane compounds exceeds the standard, an alarm is immediately given out to a user, so that the alarm is given out in advance before the temperature of the lithium battery rises to the alarm temperature, more processing time is strived for people, the database and the user terminal are connected by the signal transmitter, remote alarm can be carried out, meanwhile, the user can observe the site situation by the infrared imager, countermeasures are timely taken, and the loss is reduced.
Description
Technical Field
The utility model relates to a detection device, in particular to an extremely early detection device for thermal runaway of a lithium battery, and belongs to the technical field of lithium battery detection.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream. Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The lithium metal battery of the fifth generation product of the rechargeable battery is born in 1996, and the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the lithium metal battery are all superior to those of the lithium ion battery.
Because metallic lithium is one of the most active elements, is extremely easy to burn and react, lithium crystal branches are easy to form during lithium ion reduction in the charging process, and the internal short circuit is easy to be caused by penetrating through a diaphragm, electrolyte is inflammable, so that potential safety hazards exist in the use or storage process of a lithium battery, the conventional lithium battery detection device generally judges whether the battery is normal or not according to the temperature of the lithium battery, and the method can give an alarm after the temperature of the lithium battery is at a higher level, and the time for people to deal with the problem is short.
Disclosure of Invention
In view of the above, the present utility model provides an extremely early detection device for thermal runaway of a lithium battery, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: the lithium battery thermal runaway extremely early detection device comprises a main body assembly, wherein the main body assembly comprises a power supply box, a motor, a screw rod and a support;
the motor is arranged on the rear surface of the power box, an output shaft of the motor is fixedly connected with one end of the screw rod, and the support is in threaded connection with the outer side wall of the screw rod;
the inside and the top of the main body component are provided with detection components, and the detection components comprise a controller, a signal transmitter, an audible and visual alarm, a gas sensor, a camera, an infrared imager and a light supplementing lamp;
the controller, the signal transmitter and the audible-visual annunciator are arranged on the upper surface of the power supply box, the gas sensor, the camera and the infrared imaging instrument are arranged on the lower surface of the support, and the light supplementing lamps are symmetrically arranged on the lower surface of the support.
Further preferred is: the controller is in signal connection with the signal transmitter, the gas sensor, the camera and the infrared imager.
Further preferred is: the controller is electrically connected with the audible and visual alarm and the light supplementing lamp.
Further preferred is: the main body assembly further comprises a smoke outlet, a fan, a ventilation opening, a dust screen, a lithium battery, a liquid inlet pipe, a spray head and a supporting plate;
the smoke outlet is communicated with the outer side wall of the power supply box, and the fan is arranged in the smoke outlet.
Further preferred is: the vent is opened in one side of the power supply box, and the dustproof net is fixedly connected to the inner side wall of the vent.
Further preferred is: the lithium battery is arranged on the inner side wall of the power supply box.
Further preferred is: the liquid inlet pipe is evenly communicated with the upper surface of the power supply box, and the spray head is arranged at one end of the liquid inlet pipe.
Further preferred is: the two supporting plates are symmetrically and fixedly connected to the top of the inner side wall of the power supply box, and the support is slidably connected to one side of the supporting plates.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
1. according to the utility model, the concentration of each component of gas in the power supply box is detected by the gas sensor, and when the concentration of the electrolyte organic solvent steam, carbon monoxide or alkane compound exceeds the standard, an alarm is immediately sent to a user, so that the alarm is given in advance before the temperature of the lithium battery rises to the alarm temperature, and more treatment time is striven for people.
2. The utility model connects the database and the user terminal through the signal transmitter, thereby being capable of carrying out remote alarm, and simultaneously, a user can observe the site situation through the infrared imager and timely take countermeasures to reduce loss.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a view angle block diagram of the present utility model;
FIG. 2 is a view of another view of the present utility model;
FIG. 3 is a bottom view of the interior of the power box of the present utility model;
fig. 4 is a structural view of a lithium battery according to the present utility model.
Reference numerals: 10. a body assembly; 11. a power supply box; 12. a smoke outlet; 13. a fan; 14. a vent; 15. a dust screen; 16. a lithium battery; 17. a liquid inlet pipe; 18. a spray head; 19. a motor; 110. a support plate; 111. a screw rod; 112. a support; 20. a detection assembly; 21. a controller; 22. a signal transmitter; 23. an audible and visual alarm; 24. a gas sensor; 25. a camera; 26. an infrared imager; 27. and a light supplementing lamp.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, an embodiment of the present utility model provides a thermal runaway extremely early detection device for a lithium battery, which comprises a main body assembly 10, wherein the main body assembly 10 comprises a power supply box 11, a motor 19, a screw rod 111 and a support 112;
the motor 19 is arranged on the rear surface of the power supply box 11, an output shaft of the motor 19 is fixedly connected with one end of the screw rod 111, the support 112 is in threaded connection with the outer side wall of the screw rod 111, the power supply box 11 is an installation carrier of the lithium battery 16, and the power supply box 11 can be replaced by various engine cabins, control cabinets, precision equipment, control rooms and other closed or semi-closed narrow spaces according to different purposes of the lithium battery 16;
the detection assembly 20 is arranged in and on the top of the main body assembly 10, and the detection assembly 20 comprises a controller 21, a signal transmitter 22, an audible and visual alarm 23, a gas sensor 24, a camera 25, an infrared imager 26 and a light supplementing lamp 27;
the controller 21, the signal transmitter 22 and the audible-visual annunciator 23 are mounted on the upper surface of the power box 11, the gas sensor 24, the camera 25 and the infrared imager 26 are mounted on the lower surface of the support 112, and the light supplementing lamps 27 are symmetrically mounted on the lower surface of the support 112.
In this embodiment, specific: the controller 21 is in signal connection with a signal transmitter 22, a gas sensor 24, a camera 25 and an infrared imager 26.
In this embodiment, specific: the controller 21 is electrically connected with the audible and visual alarm 23 and the light supplementing lamp 27.
In this embodiment, specific: the main body assembly 10 further comprises a smoke outlet 12, a fan 13, a ventilation opening 14, a dust screen 15, a lithium battery 16, a liquid inlet pipe 17, a spray head 18 and a support plate 110;
the exhaust port 12 is communicated with the outer side wall of the power supply box 11, the fan 13 is arranged in the exhaust port 12, and the exhaust port 12 and the fan 13 are used for exhausting smoke generated by combustion of the lithium battery 16.
In this embodiment, specific: the vent 14 is opened in one side of the power supply box 11, and the dust screen 15 is fixedly connected to the inner side wall of the vent 14, and the vent 14 is used for ventilation, so that dust can be prevented from entering the inside of the power supply box 11 by the dust screen 15.
In this embodiment, specific: the lithium battery 16 is mounted on the inner side wall of the power supply case 11.
In this embodiment, specific: the liquid inlet pipe 17 is evenly communicated with the upper surface of the power supply box 11, the spray head 18 is arranged at one end of the liquid inlet pipe 17, the liquid inlet pipe 17 is used for introducing the perfluorinated hexanone extinguishing agent, so that fire can be extinguished in time under the condition of unmanned site, and the spray head 18 is used for evenly spraying the perfluorinated hexanone extinguishing agent.
In this embodiment, specific: the two support plates 110 are symmetrically and fixedly connected to the top of the inner side wall of the power box 11, and the support 112 is slidably connected to one side of the support plates 110.
The utility model works when in work: when the lithium battery 16 is abnormal in state due to overcharge or collision and the like, the battery cell is exhausted before the lithium battery 16 is in thermal runaway, electrolyte organic solvent vapor, carbon monoxide or alkane compound and other substances are released, the concentration of the substances is detected through the gas sensor 24, after the concentration exceeds the standard, a signal is sent to the controller 21, the controller 21 sends alarm information to the database and the user mobile terminal through the signal transmitter 22, so that the user can timely receive a remote alarm signal, the user can observe the field condition through the camera 25 and the infrared imager 26, meanwhile, the controller 21 controls the audible-visual alarm 23 to work, alarms on the field personnel so as to take countermeasures in time, loss is reduced, and if the infrared imager 26 detects that the lithium battery 16 reaches the alarm temperature and has no operation instruction, the perfluorinated hexanone fire extinguishing agent is fed in time through the liquid inlet pipe 17, and fire spreading is prevented.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a lithium cell thermal runaway extremely early detection device, includes main part subassembly (10), its characterized in that: the main body assembly (10) comprises a power supply box (11), a motor (19), a screw rod (111) and a support (112);
the motor (19) is arranged on the rear surface of the power box (11), an output shaft of the motor (19) is fixedly connected with one end of the screw rod (111), and the support (112) is in threaded connection with the outer side wall of the screw rod (111);
the inside and the top of the main body assembly (10) are provided with a detection assembly (20), and the detection assembly (20) comprises a controller (21), a signal transmitter (22), an audible and visual alarm (23), a gas sensor (24), a camera (25), an infrared imager (26) and a light supplementing lamp (27);
the controller (21), the signal transmitter (22) and the audible-visual annunciator (23) are arranged on the upper surface of the power supply box (11), the gas sensor (24), the camera (25) and the infrared imager (26) are arranged on the lower surface of the support (112), and the light supplementing lamps (27) are symmetrically arranged on the lower surface of the support (112).
2. The lithium battery thermal runaway extremely early detection device according to claim 1, wherein: the controller (21) is in signal connection with the signal transmitter (22), the gas sensor (24), the camera (25) and the infrared imager (26).
3. The lithium battery thermal runaway extremely early detection device according to claim 2, wherein: the controller (21) is electrically connected with the audible and visual alarm (23) and the light supplementing lamp (27).
4. The lithium battery thermal runaway extremely early detection device according to claim 1, wherein: the main body assembly (10) further comprises a smoke outlet (12), a fan (13), a ventilation opening (14), a dust screen (15), a lithium battery (16), a liquid inlet pipe (17), a spray head (18) and a supporting plate (110);
the smoke outlet (12) is communicated with the outer side wall of the power supply box (11), and the fan (13) is arranged in the smoke outlet (12).
5. The lithium battery thermal runaway extremely early detection device according to claim 4, wherein: the vent (14) is arranged on one side of the power supply box (11), and the dustproof net (15) is fixedly connected to the inner side wall of the vent (14).
6. The lithium battery thermal runaway extremely early detection device according to claim 5, wherein: the lithium battery (16) is mounted on the inner side wall of the power supply box (11).
7. The lithium battery thermal runaway extremely early detection device according to claim 6, wherein: the liquid inlet pipe (17) is uniformly communicated with the upper surface of the power supply box (11), and the spray head (18) is arranged at one end of the liquid inlet pipe (17).
8. The lithium battery thermal runaway extremely early detection device according to claim 7, wherein: the two supporting plates (110) are symmetrically and fixedly connected to the top of the inner side wall of the power box (11), and the support (112) is slidably connected to one side of the supporting plates (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033941.6U CN219777884U (en) | 2023-04-28 | 2023-04-28 | Lithium battery thermal runaway extremely early detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033941.6U CN219777884U (en) | 2023-04-28 | 2023-04-28 | Lithium battery thermal runaway extremely early detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219777884U true CN219777884U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321033941.6U Active CN219777884U (en) | 2023-04-28 | 2023-04-28 | Lithium battery thermal runaway extremely early detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219777884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117470358A (en) * | 2023-12-26 | 2024-01-30 | 中国华能集团清洁能源技术研究院有限公司 | Method and device for determining quality of carbon monoxide released by lithium ion battery in thermal runaway manner |
-
2023
- 2023-04-28 CN CN202321033941.6U patent/CN219777884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117470358A (en) * | 2023-12-26 | 2024-01-30 | 中国华能集团清洁能源技术研究院有限公司 | Method and device for determining quality of carbon monoxide released by lithium ion battery in thermal runaway manner |
| CN117470358B (en) * | 2023-12-26 | 2024-03-19 | 中国华能集团清洁能源技术研究院有限公司 | Method and device for determining quality of carbon monoxide released by lithium ion battery in thermal runaway manner |
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| GR01 | Patent grant |