CN210720508U - Vacuum explosion-proof box for battery safety test - Google Patents
Vacuum explosion-proof box for battery safety test Download PDFInfo
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- CN210720508U CN210720508U CN202020272333.0U CN202020272333U CN210720508U CN 210720508 U CN210720508 U CN 210720508U CN 202020272333 U CN202020272333 U CN 202020272333U CN 210720508 U CN210720508 U CN 210720508U
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Abstract
The utility model discloses a vacuum explosion-proof box for battery safety test, including shell body and workstation, the workstation is located the shell body inner chamber, a battery is used for placing, be equipped with the chamber door on the shell body, a get and put for battery, still be equipped with temperature sensor and pressure sensor in the shell body, a temperature and pressure in the shell body inner chamber are used for gathering, be equipped with a plurality of intercommunicating pore on the shell body, and the intercommunicating pore can communicate shell body inner chamber and external, every intercommunicating pore corresponds respectively and establishes a sealing device, a intercommunicating pore is used for opening or closing, the arm of acupuncture and extruder, the vacuum machine, gaseous collection device and gas injection pump stretch into in the shell body through different intercommunicating pores, still be equipped with the wire guide on the shell body, wire guide intercommunication shell body inner chamber and external, a required pencil stretches out for battery safety test, this vacuum, Data acquisition, gas collection, battery safety test are as an organic whole, effectively ensure going on of battery safety test.
Description
Technical Field
The utility model relates to a battery test technical field specifically is to relate to a vacuum explosion-proof case for battery safety test.
Background
Lithium batteries are widely used in the field of military and civilian, and China has become the main producing country, export country and use country of lithium batteries. Due to the chemical characteristics of the lithium battery, the lithium battery can cause fire, explosion and other dangers under the conditions of high temperature, overcharge, extrusion and the like. Particularly, in recent two years, the new energy automobile is rapidly developed, a high-capacity and high-energy lithium battery becomes a mainstream product, once the battery is ignited and exploded, not only physical damage to a human body is caused, but also chemical damage to the human body is caused by harmful gas released by battery combustion.
The current national or industrial standards of batteries do not provide detection requirements for harmful gases released by batteries, and means for carrying out quantitative and qualitative analysis on the harmful gases are also lacked. However, as new energy vehicles frequently catch fire, spontaneously combust and the like, the important significance of gas analysis begins to be highlighted. Firstly, the safety level of the battery can be evaluated by collecting combustible gas released by the battery; secondly, the harm of the chemical components of the battery to human bodies can be evaluated through gas analysis; thirdly, the internal failure reason of the battery can be traced according to the gas components.
In the prior art, a vacuum box or an explosion-proof box is common, but is a single-function product, and cannot meet the special use requirement of battery safety test. For example: (1) the common vacuum box and the explosion-proof box do not have a data acquisition function, and the battery can be tested in the common vacuum box or the explosion-proof box, only the phenomenon in the test process can be observed, and effective data such as temperature, pressure, gas quantity and the like generated after the battery is ignited and exploded cannot be provided; (2) the common vacuum box and the explosion-proof box do not have the gas collecting function, a battery can generate a large amount of gas in the safety testing processes of overcharge, needling and the like, the analysis of the gas release amount and the gas components needs to be carried out after all the gas is collected, and the common vacuum box and the explosion-proof box do not have the function; (3) ordinary vacuum chamber or explosion-proof case can't use with other battery check out test set cooperations, and the totally closed design is generally adopted to ordinary vacuum chamber, and the arm of equipment such as battery acupuncture, extrusion can't go deep into inside the box.
Disclosure of Invention
The utility model aims at providing a battery is vacuum explosion-proof case for safety test to solve the problem that above-mentioned prior art exists, make this battery is vacuum explosion-proof case for safety test collect vacuum explosion-proof, data acquisition, gas collection, battery safety test as an organic whole, effectively ensure going on of battery safety test.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a vacuum explosion-proof box for battery safety test, which comprises an outer shell and a workbench, wherein the workbench is positioned in the inner cavity of the outer shell, used for placing batteries, a box door is arranged on the outer shell body and used for taking and placing the batteries, a temperature sensor and a pressure sensor are also arranged in the outer shell body, used for collecting the temperature and the pressure of the inner cavity of the outer shell, a plurality of communication holes are arranged on the outer shell, the communicating holes can communicate the inner cavity of the outer shell with the outside, each communicating hole is respectively and correspondingly provided with a sealing device, a mechanical arm, a vacuum machine, a gas collecting device and a gas injection pump for opening or closing the communication holes, wherein the mechanical arm, the vacuum machine, the gas collecting device and the gas injection pump of the needling and extruding machine extend into the outer shell through different communication holes, still be equipped with the wire guide on the shell body, the wire guide intercommunication shell body inner chamber and external for stretching out of the required pencil of battery safety test.
Preferably, the outer casing is a rectangular casing, and the door is located on a side wall of the outer casing and can be opened or closed.
Preferably, the workbench is fixedly arranged on the lower bottom surface of the inner cavity of the outer shell and extends upwards, and the upper top surface of the workbench is parallel to the horizontal plane.
Preferably, the communicating hole comprises a first communicating hole, a second communicating hole, a third communicating hole and a fourth communicating hole which are arranged at different positions of the outer shell, the first communicating hole is arranged right above the workbench and used for extending a mechanical arm of a needling and extruding machine, a vacuum tube is fixedly arranged on the outer shell corresponding to the second communicating hole and extends towards the direction far away from the outer shell from the second communicating hole and is used for connecting a vacuum machine, an exhaust tube is fixedly arranged on the outer shell corresponding to the third communicating hole and extends towards the direction far away from the outer shell from the third communicating hole and is used for connecting a gas collecting device, a gas injection tube is fixedly arranged on the outer shell corresponding to the fourth communicating hole and extends towards the direction far away from the outer shell from the fourth communicating hole, used for connecting the air injection pump.
Preferably, the second communication hole, the third communication hole and the fourth communication hole are all disposed on the same side wall of the outer case adjacent to the door, and the wire guide hole is disposed on a side wall of the outer case opposite to the second communication hole.
Preferably, the temperature sensor and the pressure sensor are both fixedly arranged on a side wall of the outer shell, which is parallel to the box door.
Preferably, a protective cover is arranged on the periphery of the temperature sensor and the pressure sensor for protecting the temperature sensor and the pressure sensor.
Preferably, the safety cover is a rectangular shell with an opening at one side, the opening of the safety cover faces the side wall of the shell body where the temperature sensor and the pressure sensor are located, and the edge of the opening of the safety cover is fixedly connected with the side wall of the shell body where the temperature sensor and the pressure sensor are located.
Preferably, the protective cover is positioned above the workbench and comprises an upper top surface, a lower bottom surface and three side surfaces which are sequentially connected, the upper top surface is parallel to the lower bottom surface, the lower bottom surface is arranged close to the workbench, the three side surfaces extend to one side close to the temperature sensor and the pressure sensor, the three side surfaces are positioned between the upper top surface and the lower bottom surface, and are all vertical to the upper top surface, the lower bottom surface and the two side surfaces of the head and the tail are all fixedly connected with the inner side wall of the outer shell, the lower bottom surface of the protective cover is a rigid body surface, is used for preventing the temperature sensor and the pressure sensor from being damaged when the battery is on fire and explodes, the upper top surface and the side wall of the protective cover are both iron wire surfaces, the steel body surface is a closed surface made of a steel plate, and the iron wire surface is a net-shaped surface made of iron wires.
Preferably, a camera and a light supplement lamp are arranged on the box door.
The utility model discloses for prior art gain following technological effect:
the utility model provides a vacuum explosion-proof box for battery safety test, which comprises an outer shell and a workbench, wherein the outer shell is used as a box body of the vacuum explosion-proof box for battery safety test, the explosion-proof material is adopted to be beneficial to the smooth operation of the battery safety test, the workbench is positioned in the inner cavity of the outer shell and is used for placing a battery, the safety test of the battery is carried out on the workbench, the outer shell is provided with a box door which can be opened or closed at any time and is used for taking and placing the battery, when the battery needs to be taken and placed, the box door is opened, the box door is closed when the battery safety test is carried out, the temperature sensor and the pressure sensor are also arranged in the outer shell and are used for acquiring the temperature and the pressure in the inner cavity of the outer shell, a data acquisition module is arranged to record the real-time change of the temperature and the pressure, each intercommunicating pore is respectively provided with a sealing device correspondingly for opening or closing the intercommunicating pore, more preferably, the sealing device in the vacuum explosion-proof box for the battery safety test is of a valve structure, the outer shell body is communicated with the outside when a valve is opened, and gas exchange inside and outside the outer shell body is isolated when the valve is closed, but the sealing device in the vacuum explosion-proof box for the battery safety test is not limited to the valve structure and can adopt electric control or manual control, as long as effective control on the opening and closing of the intercommunicating pore is ensured, the acupuncture and the mechanical arm of the extruding machine, the vacuum machine, the gas collecting device and the gas injection pump extend into the outer shell body through different intercommunicating pores, the acupuncture and the mechanical arm of the extruding machine can carry out acupuncture and extrusion test on the battery, the vacuum machine can pump the inner part of the outer shell body, a vacuum environment is provided for the battery safety test, and, collect the combustible gas of battery release and be used for can appraising the security level of battery, can appraise the harm of battery chemical composition to the human body through gas analysis, and can trace back the inside inefficacy reason of battery according to gaseous component, the gas that the gas injection pump can pour into battery safety test required gas into in the shell body, still be equipped with the wire guide on the shell body, wire guide intercommunication shell body inner chamber and external, be used for stretching out of the required pencil of battery safety test, mainly be battery charge-discharge wire and data acquisition line, effectively guarantee going on of battery safety test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a vacuum explosion-proof box for a battery safety test provided by the present invention;
FIG. 2 is an enlarged view of the vacuum explosion-proof chamber A for battery safety test provided in FIG. 1;
in the figure: 1-outer shell, 2-workbench, 3-intercommunicating pore, 4-sealing device, 51-temperature sensor, 52-pressure sensor, 6-wire guide, 7-mechanical arm of needling and extruding machine, 81-vacuum tube, 82-exhaust tube, 83-gas injection tube and 9-battery.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a battery is vacuum explosion-proof case for safety test to solve current vacuum chamber or explosion-proof case and can't be with multi-functional collection an organic whole such as vacuum explosion-proof, data acquisition, gas collection, battery safety test, can not satisfy battery safety test's the technical problem of use.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in FIG. 1, the utility model provides a vacuum explosion-proof box for battery safety test, which comprises an outer shell 1 and a workbench 2, wherein the outer shell 1 is used as the box body of the vacuum explosion-proof box for battery safety test, which is made of explosion-proof material and is beneficial to the smooth operation of the battery safety test, the workbench 2 is positioned in the inner cavity of the outer shell 1 and is used for placing a battery 9, the safety test of the battery 9 is performed on the workbench 2, the outer shell 1 is provided with a box door which can be opened or closed at any time and is used for taking and placing the battery 9, when the battery 9 needs to be taken and placed, the box door is opened and closed when the battery 9 safety test is performed, the inner cavity of the outer shell 1 is also provided with a temperature sensor 51 and a pressure sensor 52 for acquiring the temperature and the pressure in the inner cavity of the outer shell 1, and is provided with a, the outer shell 1 is provided with a plurality of intercommunicating pores 3, and the intercommunicating pores 3 can communicate the inner cavity of the outer shell 1 with the outside, each intercommunicating pore 3 is respectively and correspondingly provided with a sealing device 4 for opening or closing the intercommunicating pore 3, preferably, the sealing device 4 in the vacuum explosion-proof box for the battery safety test provided by the utility model is of a valve structure, when a valve is opened, the outer shell 1 is communicated with the outside, and when the valve is closed, the gas exchange inside and outside the outer shell 1 is isolated, but the sealing device 4 in the vacuum explosion-proof box for the battery safety test provided by the utility model is not limited to the valve type, and can be controlled electrically or manually, as long as the effective control on the opening and closing of the intercommunicating pore 3 is ensured, the mechanical arm 7 of the needling and the extruding machine, the vacuum machine, the gas collecting device and the gas injection pump extend into the outer shell 1, the vacuum machine can be to evacuation in the outer casing 1, provide vacuum environment for battery safety test, gas collection device can be in battery safety test, collect the combustible gas of battery 9 release and be used for can aassessment battery 9's security level, can aassessment battery 9 chemical composition to the harm of human body through gas analysis, and can trace back battery 9 inside failure reason according to gas composition, the gas injection pump can pour into the required gas of battery 9 safety test into in the outer casing 1, still be equipped with wire guide 6 on the shell body 1, wire guide 6 communicates 1 inner chamber of shell body and external, be used for stretching out of the required pencil of battery safety test, mainly charge and discharge wire and data acquisition line for battery 9, effectively ensure going on of battery safety test.
Specifically, shell body 1 is the rectangle casing, and the chamber door is located a lateral wall of shell body 1, can open or close, and the shell body 1 of rectangle is more stable when placing, and the chamber door is located a lateral wall and can conveniently operate, nevertheless the utility model provides a shape of shell body 1 is not limited to the rectangle in the vacuum explosion-proof box for battery safety test, as long as there is the casing of cavity in inside can.
The lower bottom surface of 1 inner chamber of shell body is located to the workstation 2 fixed and upwards extends, and the last top surface of workstation 2 is parallel with the horizontal plane for battery 9 can place stably on workstation 2, when carrying out acupuncture and extrusion test, can not drop from workstation 2, guarantees experimental normal clear.
The communicating hole 3 comprises a first communicating hole, a second communicating hole, a third communicating hole and a fourth communicating hole which are arranged at different positions of the outer shell 1, the first communicating hole is arranged right above the workbench 2 and used for extending a mechanical arm 7 of a needling and extruding machine to ensure that the mechanical arm can touch a battery 9 placed on the workbench 2, a vacuum tube 81 is fixedly arranged at the position corresponding to the second communicating hole on the outer shell 1, the vacuum tube 81 extends from the second communicating hole to the direction far away from the outer shell 1 and is used for connecting a vacuum machine, when the vacuum environment is required to be provided for the battery 9 test, a sealing device 4 corresponding to the second communicating hole is opened, the vacuum machine is used for vacuumizing, the sealing device 4 is closed after the operation is finished, the sealing state in the outer shell 1 is ensured, an exhaust tube 82 is fixedly arranged at the position corresponding to the third communicating hole on the outer shell 1, and the exhaust tube 82 extends from the third communicating hole to the direction, be used for connecting gaseous collection device, when needing to collect the gas after the burning of battery 9 in the shell body 1, open sealing device 4 that the third intercommunicating pore corresponds, bleed through outside gaseous collection device, close sealing device 4 after the completion of bleeding, prevent that gaseous backward flow to shell body 1 in, the rigidity that corresponds the fourth intercommunicating pore on the shell body 1 is equipped with gas injection pipe 83, gas injection pipe 83 is extended to the direction of keeping away from shell body 1 by the fourth intercommunicating pore, be used for connecting the gas injection pump, when needs are gaseous to the injection in the shell body 1, open sealing device 4 that the fourth intercommunicating pore corresponds, let in the gas of configuration in to shell body 1 by the gas injection pump, after the gas injection is accomplished, close sealing device 4, can guarantee that gaseous does not exchange.
On the same lateral wall that is adjacent with the chamber door on shell body 1 was all located to second intercommunicating pore, third intercommunicating pore and fourth intercommunicating pore, on wire guide 6 was located the lateral wall of shell body 1 relative with the second intercommunicating pore, nevertheless the utility model provides a position of second intercommunicating pore, third intercommunicating pore, fourth intercommunicating pore and wire guide 6 is not limited to above-mentioned injecing in the vacuum explosion-proof box for battery safety test, as long as can make battery 9's safety test go on smoothly, and battery 9 get put unrestricted can.
As shown in fig. 2, a protective cover is disposed around the temperature sensor 51 and the pressure sensor 52 for protecting the temperature sensor 51 and the pressure sensor 52, so that the battery 9 is prone to fire and explosion during a safety test of the battery 9, and the protective cover can effectively protect the temperature sensor 51 and the pressure sensor 52 and prevent the temperature sensor 51 and the pressure sensor 52 from being damaged.
The protective cover is a rectangular shell with an opening on one side, the opening of the protective cover faces the side wall of the outer shell 1 where the temperature sensor 51 and the pressure sensor 52 are located, and the edge of the opening of the protective cover is fixedly connected with the side wall of the outer shell 1 where the temperature sensor 51 and the pressure sensor 52 are located; the protective cover is positioned above the workbench 2 and comprises an upper top surface, a lower bottom surface and three side surfaces which are sequentially connected, the upper top surface is parallel to the lower bottom surface, the lower bottom surface is arranged close to the workbench 2, the three side surfaces extend to one side close to the temperature sensor 51 and the pressure sensor 52, the three side surfaces are positioned between the upper top surface and the lower bottom surface and are perpendicular to the upper top surface, the lower bottom surface and the head and tail two side surfaces are fixedly connected with the inner side wall of the outer shell 1, the lower bottom surface of the protective cover is a rigid body surface and is used for preventing the temperature sensor 51 and the pressure sensor 52 from being damaged when the battery is ignited and explodes, the upper top surface and the side walls of the protective cover are both iron wire surfaces, the rigid body surface is a closed surface made of a steel plate and is arranged at a position close to the battery 9, when the battery 9 is ignited and explodes, debris can be prevented from being splashed onto the, thereby damage temperature sensor 51 or pressure sensor 52, the netted face that the iron wire face was made for the iron wire, can guarantee that air and heat see through the wire netting and enter into in the safety cover to reach temperature sensor 51 and pressure sensor 52, guarantee that the data acquisition of temperature and pressure is not disturbed, nevertheless the utility model provides a rigid body face and the distribution of wire netting of safety cover are not limited to above-mentioned injecing in the battery safety test in the vacuum explosion-proof box, and the relative position that technical personnel in the field can be according to actual battery 9 and temperature sensor 51, pressure sensor 52, change rigid body face can with the compound mode of wire netting.
Be equipped with camera and light filling lamp on the chamber door, the camera can carry out whole journey record to the experimental condition, and opens the light filling lamp under the not good condition of light, can carry out better observation record.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a battery is vacuum explosion-proof case for safety test which characterized in that: including shell body and workstation, the workstation is located shell body inner chamber for place the battery, be equipped with the chamber door on the shell body, be used for getting of battery and put, still be equipped with temperature sensor and pressure sensor in the shell body, be used for gathering shell body inner chamber temperature and pressure, be equipped with a plurality of intercommunicating pore on the shell body, just the intercommunicating pore can communicate shell body inner chamber and external, every the intercommunicating pore corresponds respectively and establishes a sealing device for open or close the intercommunicating pore, acupuncture and the arm of extruder, vacuum machine, gaseous collection device and gas injection pump pass through the difference the intercommunicating pore stretches into in the shell body, still be equipped with the wire guide on the shell body, the wire guide intercommunication shell body inner chamber and external for stretching out of the required pencil of battery safety test.
2. The vacuum explosion-proof case for battery safety test according to claim 1, characterized in that: the outer shell is a rectangular shell, and the box door is positioned on one side wall of the outer shell and can be opened or closed.
3. The vacuum explosion-proof case for battery safety test according to claim 2, characterized in that: the workbench is fixedly arranged on the lower bottom surface of the inner cavity of the outer shell and extends upwards, and the upper top surface of the workbench is parallel to the horizontal plane.
4. The vacuum explosion-proof case for battery safety test according to claim 3, characterized in that: the communicating holes comprise a first communicating hole, a second communicating hole, a third communicating hole and a fourth communicating hole which are arranged at different positions of the outer shell, the first communicating hole is arranged right above the workbench and used for stretching into a mechanical arm of a needling and extruding machine, a vacuum tube is fixedly arranged on the outer shell corresponding to the second communicating hole and extends towards the direction far away from the outer shell through the second communicating hole and is used for connecting a vacuum machine, an exhaust tube is fixedly arranged on the outer shell corresponding to the third communicating hole and extends towards the direction far away from the outer shell through the third communicating hole and is used for connecting a gas collecting device, a gas injection tube is fixedly arranged on the outer shell corresponding to the fourth communicating hole and extends towards the direction far away from the outer shell through the fourth communicating hole, used for connecting the air injection pump.
5. The vacuum explosion-proof case for battery safety test according to claim 4, wherein: the second communicating hole, the third communicating hole and the fourth communicating hole are all arranged on the same side wall, adjacent to the box door, of the outer shell, and the wire hole is formed in the side wall, opposite to the second communicating hole, of the outer shell.
6. The vacuum explosion-proof case for battery safety test according to claim 1, characterized in that: the temperature sensor and the pressure sensor are both fixedly arranged on the side wall of the outer shell body parallel to the box door.
7. The vacuum explosion-proof case for battery safety test according to claim 6, wherein: and a protective cover is arranged on the peripheries of the temperature sensor and the pressure sensor and used for protecting the temperature sensor and the pressure sensor.
8. The vacuum explosion-proof case for battery safety test according to claim 7, wherein: the safety cover is an open-ended rectangle casing, the opening orientation of safety cover temperature sensor with pressure sensor place the shell body lateral wall, just safety cover open-ended edge with temperature sensor with pressure sensor place shell body lateral wall fixed connection.
9. The vacuum explosion-proof case for battery safety test according to claim 8, wherein: the protective cover is positioned above the workbench and comprises an upper top surface, a lower bottom surface and three side surfaces which are sequentially connected, the upper top surface is parallel to the lower bottom surface, the lower bottom surface is arranged close to the workbench, the three side surfaces extend to one side close to the temperature sensor and the pressure sensor, the three side surfaces are positioned between the upper top surface and the lower bottom surface, and are all vertical to the upper top surface, the lower bottom surface and the two side surfaces of the head and the tail are all fixedly connected with the inner side wall of the outer shell, the lower bottom surface of the protective cover is a rigid body surface, is used for preventing the temperature sensor and the pressure sensor from being damaged when the battery is on fire and explodes, the upper top surface and the side wall of the protective cover are both iron wire surfaces, the steel body surface is a closed surface made of a steel plate, and the iron wire surface is a net-shaped surface made of iron wires.
10. The vacuum explosion-proof case for battery safety test according to claim 1, characterized in that: and the box door is provided with a camera and a light supplement lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020272333.0U CN210720508U (en) | 2020-03-09 | 2020-03-09 | Vacuum explosion-proof box for battery safety test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272333.0U CN210720508U (en) | 2020-03-09 | 2020-03-09 | Vacuum explosion-proof box for battery safety test |
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| CN210720508U true CN210720508U (en) | 2020-06-09 |
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| CN202020272333.0U Active CN210720508U (en) | 2020-03-09 | 2020-03-09 | Vacuum explosion-proof box for battery safety test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433166A (en) * | 2020-11-22 | 2021-03-02 | 同济大学 | Multi-dimensional detection method and structure for internal failure reaction of lithium ion power battery |
| CN113109713A (en) * | 2021-04-15 | 2021-07-13 | 中国北方车辆研究所 | Power battery acupuncture triggers heat loss control system and gas collection device in airtight space |
| CN114942388A (en) * | 2022-05-09 | 2022-08-26 | 深圳天溯计量检测股份有限公司 | Explosion-proof box for battery extrusion test |
-
2020
- 2020-03-09 CN CN202020272333.0U patent/CN210720508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433166A (en) * | 2020-11-22 | 2021-03-02 | 同济大学 | Multi-dimensional detection method and structure for internal failure reaction of lithium ion power battery |
| CN113109713A (en) * | 2021-04-15 | 2021-07-13 | 中国北方车辆研究所 | Power battery acupuncture triggers heat loss control system and gas collection device in airtight space |
| CN114942388A (en) * | 2022-05-09 | 2022-08-26 | 深圳天溯计量检测股份有限公司 | Explosion-proof box for battery extrusion test |
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