CN217718031U - Lithium cell safety performance experiment protector - Google Patents
Lithium cell safety performance experiment protector Download PDFInfo
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- CN217718031U CN217718031U CN202220658986.1U CN202220658986U CN217718031U CN 217718031 U CN217718031 U CN 217718031U CN 202220658986 U CN202220658986 U CN 202220658986U CN 217718031 U CN217718031 U CN 217718031U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery inspection detects technical field, concretely relates to lithium cell safety performance experiment protector, it includes the test bench, the test bench is provided with first protection casing outward, first protection casing surrounds the test bench setting, be provided with the second protection casing outward for first protection casing, the second protection casing surrounds first protection casing setting, first protection casing fixedly connected with first air-supply line and play tuber pipe, first air-supply line all communicates inside the first protection casing with a play tuber pipe, go out tuber pipe fixedly connected with aspiration pump, second protection casing fixedly connected with second air-supply line, go out tuber pipe fixed connection on the second protection casing, inside and outside second protection casing of second air-supply line intercommunication, it is outside to go out tuber pipe intercommunication second protection casing, outside the second air-supply line other end intercommunication has the gas generation equipment that can carry inert gas, this application has and can protect the testing personnel, reduce the harm that the testing personnel received the battery experiment, and reduce environmental pollution's effect.
Description
Technical Field
The utility model relates to a battery inspection detects technical field, concretely relates to lithium cell safety performance experiment protector.
Background
The battery is widely applied to the fields of electric automobiles, energy storage devices, mobile phones, electric appliances, industry and consumer goods, and in recent years, along with the large-batch use of the electric automobiles in society, some problems are also encountered, for example, a small amount of electric automobiles have the problem that the lithium battery is on fire due to various reasons, and then the whole automobile burns, or the lithium battery breaks and causes the problem that toxic electrolyte leaks into the air. The risk of fire explosion of the energy storage device, fire and fire of the lithium ion power battery, and the instantaneous release of chemical energy from the battery at high temperatures (high voltage shock is not discussed herein) are manifested as: thermal runaway and thermal diffusion of the battery cause combustion or explosion of the entire vehicle, or leakage of toxic gases from the electrolyte. The thermal runaway of the vehicle-mounted power lithium battery is the leading cause of fire explosion accidents of new energy automobiles and lithium battery energy storage equipment, and the lithium battery fire has the characteristics of high combustion intensity, high combustion temperature, large amount of toxic and harmful gas generation, fire fighting difficulty and the like, and has explosion risks. The lithium battery also has risks such as explosion and combustion in the detection process and needs to be controlled.
There is a utility model patent with application publication number CN113835398A, which protects a laboratory safety system for providing power batteries, including: the system comprises a central processing unit, a test process unit, a high-pressure water mist unit, a storage room monitoring unit, an accident fan unit and a building fire-fighting unit; wherein the test process unit is configured to control a test process of the power cell including at least one test, and comprises the following components: the environment-friendly intelligent temperature control system comprises a control console, an environment cabin and a temperature control assembly for controlling the temperature of the environment cabin; and a power supply assembly for testing the process unit; the high-pressure water mist unit is configured to spray a cooling and flame-retardant medium into the environmental chamber in a high-pressure water mist mode; wherein, the signal of central processing unit is connected to the beacon, and the central processing unit still includes the buzzer. The present application also provides methods for power cell laboratories and apparatus, computer program products and computer storage media implementing the methods.
Among the above-mentioned technical scheme, the battery is when examining the detection, because the battery probably burns or explodes in examining the testing process, can produce poisonous and harmful gas simultaneously, produces harm to testing personnel's healthy, also can cause the pollution to the environment simultaneously.
SUMMERY OF THE UTILITY MODEL
For solving the problem that the current battery experiment harms healthy and environment of experimenter easily, the utility model provides a lithium cell safety performance experiment protector.
The technical scheme of the utility model is that:
the utility model provides a lithium cell safety performance experiment protector, which comprises a test bench, the test bench is provided with first protection casing outward, first protection casing surrounds the test bench setting, first protection casing is provided with the second protection casing outward, the second protection casing surrounds first protection casing setting, the first air-supply line of first protection casing fixedly connected with and play tuber pipe, first air-supply line all communicates inside the first protection casing with a tuber pipe, go out tuber pipe fixedly connected with aspiration pump, second protection casing fixedly connected with second air-supply line, go out tuber pipe fixed connection on the second protection casing, inside and outside second protection casing of second air-supply line intercommunication, it is outside to go out tuber pipe intercommunication second protection casing, outside first air-supply line other end intercommunication second protection casing, second air-supply line other end intercommunication has the gas generating equipment that can carry inert gas.
The utility model discloses the beneficial effect who reaches does: when the battery is tested on the test bed, the air in the first protective cover is partially pumped away by the air pump, so that the environment is in a low-pressure environment, and the possibility of battery combustion is reduced. The first shield and the second shield may block toxic gas, high temperature or impact generated by the combustion or explosion of the battery. Inert gas is also fed between the second shield and the first shield to further reduce the risk of combustion, while increasing the gas pressure reduces the impact of an explosion.
Furthermore, the first air inlet pipe is fixedly connected with a first regulating valve, and the second air inlet pipe extends out of one end of the second protective cover and is fixedly connected with a second regulating valve.
Through the scheme, the first regulating valve can control the gas flow of the first air inlet pipe, the second regulating valve can control the gas flow of the second air inlet pipe, and a user can conveniently control the components and the air pressure of the gas in the first protective cover and the second protective cover.
Furthermore, the air outlet pipe is fixedly connected with a first filter layer and a second filter layer, the first filter layer and the second filter layer both cover the longitudinal section of the air outlet pipe, the first filter layer is composed of activated carbon, and the second filter layer is composed of a breathable material with sodium hydroxide.
Through above-mentioned scheme, organic pollutant impurity can be adsorbed away to the active carbon, and sodium hydroxide can filter the acid gas that produces in the battery experiment, like HF etc..
Furthermore, the air outlet pipe is fixedly connected with a spraying device.
Through above-mentioned scheme, spray set can spray the processing to the gas that passes through, further absorbs the gas that fume purification discharged.
Furthermore, the first air inlet pipe is communicated with the inside of the second protective cover, and one end, extending into the second protective cover, of the first air inlet pipe is fixedly connected with an electromagnetic valve.
Through the scheme, when a fire disaster possibly occurs in a battery experiment, the temperature rises, and the inert gas introducing amount can be increased, so that the oxygen content in the air is further reduced, and the possibility of combustion is reduced.
Furthermore, the first protection casing corresponds test bench top position department fixedly connected with extinguishing device, and extinguishing device fixedly connected with stores jar of storage heptafluorobutane or carbon dioxide.
Through above-mentioned scheme, extinguishing device can release heptafluorobutane or carbon dioxide, can put out a fire fast.
Further, a first pressure relief pipeline is fixedly connected to the first protective cover and communicated with the interior of the first protective cover and the exterior of the second protective cover.
Through above-mentioned scheme, first pressure release pipeline can play the effect of balanced first protection casing internal gas pressure, avoids first protection casing internal gas pressure too big.
Further, fixedly connected with explosion-proof lamp in the first protection casing, a plurality of cameras of fixedly connected with in the first protection casing, the camera is around the test bench setting.
Through above-mentioned scheme, explosion-proof lamp reduces the possibility damaged by the battery explosion when providing the illumination, and experimental picture is shot from the multi-angle to a plurality of cameras, and the help user is experimental, gathers experimental data, control experimentation.
The utility model discloses a lithium cell safety performance experiment protector has following advantage:
1. when the battery is tested on the test bed, the air in the first protective cover is partially pumped away by the air pump, so that the environment is in a low-pressure environment, and the possibility of battery combustion is reduced. The first shield and the second shield may block toxic gas, high temperature or impact generated by the combustion or explosion of the battery. Inert gas is also fed between the second shield and the first shield to further reduce the risk of combustion.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the test bed, first shield and second shield of the present invention;
fig. 3 is a cross-sectional view of the outlet pipe, the first inlet pipe and the second inlet pipe of the present invention.
In the figure, 1, test stand; 2. a first shield; 21. a first air inlet pipe; 211. a first regulating valve; 212. an electromagnetic valve; 22. an air outlet pipe; 221. an air pump; 222. a first filter layer; 223. a second filter layer; 224. a spraying device; 23. a first pressure relief duct; 24. a fire extinguishing device; 241. storing the tank; 25. an explosion-proof lamp; 26. a camera; 27. an entrance and an exit; 271. an entrance and exit door; 28. a second pressure relief conduit; 3. a second shield; 31. a second air inlet pipe; 311. a gas generating device; 312. a second regulating valve.
Detailed Description
To facilitate understanding of the present invention for those skilled in the art, the following description is given with reference to the accompanying drawings.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The utility model provides a lithium cell safety performance experiment protector, as shown in figure 1 and figure 2, including test bench 1, 1 is provided with first protection casing outward 2 of test bench, and 1 setting of test bench is surrounded to first protection casing 2, and 2 outer second protection casings 3 that are provided with of first protection casing, and second protection casing 3 surrounds 2 settings of first protection casing. The first protective cover 2 and the second protective cover 3 are both made of explosion-proof materials such as stainless steel. An entrance 27 for people to enter and exit is respectively arranged on the first protective cover 2 and the second protective cover 3, and an entrance door 271 capable of covering the corresponding entrance 27 is respectively arranged at the position of the first protective cover 2 and the second protective cover 3 corresponding to the entrance 27.
As shown in fig. 2 and 3, the first hood 2 is fixedly connected with a first air inlet pipe 21 and an air outlet pipe 22, and both the first air inlet pipe 21 and the air outlet pipe 22 are communicated with the inside of the first hood 2. The air outlet pipe 22 is fixedly connected to the second protection cover 3, and the air outlet pipe 22 is communicated with the outside of the second protection cover 3. The other end of the first air inlet pipe 21 is communicated with the outside of the second shield 3 and the outside of the first shield 2. The air outlet pipe 22 is fixedly connected with a suction pump 221. The second hood 3 is fixedly connected with a second air inlet pipe 31, the second air inlet pipe 31 is communicated with the inside and the outside of the second hood 3, and the other end of the second air inlet pipe 31 is communicated with a gas generating device 311 capable of conveying inert gas. The inert gas may be nitrogen and the gas generating device 311 may be a nitrogen storage tank or a nitrogen generator. When the battery is tested on the test bed 1, the air pump 221 pumps a part of air in the first protective cover 2 away, so that the environment is in a low-pressure environment, and the possibility of battery burning is reduced. Inert gas is also fed between the second hood 3 and the first hood 2 to further reduce the risk of combustion.
As shown in fig. 2 and fig. 3, the air outlet pipe 22 is fixedly connected with a first filter layer 222 and a second filter layer 223, the first filter layer 222 and the second filter layer 223 both cover the longitudinal section of the air outlet pipe 22, the first filter layer 222 is composed of activated carbon, and the second filter layer 223 is composed of air permeable material with sodium hydroxide. The active carbon can adsorb organic pollutant impurities, and the sodium hydroxide can filter acid gases such as HF (hydrogen fluoride) generated in the battery experiment. The air outlet pipe 22 is fixedly connected with a spraying device 224, and the spraying device 224 is used for spraying liquid into the air outlet pipe 22 and further absorbing gas discharged by smoke purification.
As shown in fig. 2 and 3, a first adjusting valve 211 is fixedly connected to one end of the first air inlet pipe 21 extending out of the second protection cover 3, and an electromagnetic valve 212 is fixedly connected to one end of the first air inlet pipe 21 extending into the second protection cover 3. The second air inlet pipe 31 is fixedly connected with a second regulating valve 312. The first regulating valve 211 can control the air flow rate of the air of the first air inlet duct 21, and the first regulating valve 211 can control the air flow rate of the air of the first air inlet duct 21. The second control valve 312 can control the flow rate of the gas in the second air inlet pipe 31, which is convenient for the user to control the composition and pressure of the gas in the first shield 2 and the second shield 3. The first air inlet pipe 21 is communicated with the inside of the second shield 3, and one end of the first air inlet pipe 21 extending into the second shield 3 is fixedly connected with an electromagnetic valve 212. The first air inlet pipe 21 can receive the inert gas in the second shield 3, and the inert gas can enter the first shield 2, so that the oxygen content in the air is further reduced, and the possibility of combustion is reduced.
As shown in fig. 2 and 3, a first pressure relief pipeline 23 is fixedly connected to the first protection cover 2, and the first pressure relief pipeline 23 is communicated with the inside and the outside of the first protection cover 2. The first protection cover 2 is fixedly connected with a second pressure relief pipeline 28, and the second pressure relief pipeline 28 is communicated with the inside and the outside of the first protection cover 2. The first pressure relief pipeline 23 and the second pressure relief pipeline 28 can play a role in balancing the air pressure in the first protection cover 2, and the air pressure in the first protection cover 2 is prevented from being too large.
As shown in fig. 2 and 3, an explosion-proof lamp 25 is fixedly connected in the first protection cover 2, a plurality of cameras 26 are fixedly connected in the first protection cover 2, and the cameras 26 are arranged around the test bed 1. The explosion-proof lamp 25 reduces the possibility of being damaged by battery explosion while providing illumination, and a plurality of cameras 26 monitor the experimental picture from many angles, help the user to test, gather experimental data. The first protection cover 2 is fixedly connected with a fire extinguishing device 24 corresponding to the position above the test bed 1, and the fire extinguishing device 24 is fixedly connected with a storage tank 241 for storing heptafluorobutane or carbon dioxide. The fire extinguishing device 24 can release heptafluorobutane or carbon dioxide, and can extinguish a fire quickly.
The utility model provides a lithium cell safety performance experiment protector's implementation principle does: when the battery is tested on the test stand 1, the first and second protection covers 2 and 3 are first fastened to the test stand 1, and then a target air pressure value is set. The air pump 221 pumps a portion of the air in the first enclosure 2 away, so that the environment is in a low pressure environment, reducing the possibility of battery burn. The first shield 2 and the second shield 3 can block toxic gas, high temperature or impact generated by the combustion or explosion of the battery. Inert gas is also fed between the second hood 3 and the first hood 2 to further reduce the risk of combustion.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. 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 (7)
1. The utility model provides a lithium cell safety performance experiment protector, includes test bench (1), its characterized in that: be provided with first protection casing (2) outside test bench (1), first protection casing (2) surround test bench (1) and set up, be provided with second protection casing (3) outside first protection casing (2), second protection casing (3) surround first protection casing (2) and set up, first protection casing (2) first air-supply line of fixedly connected with (21) and play tuber pipe (22), first air-supply line (21) all communicate inside first protection casing (2) with play tuber pipe (22), go out tuber pipe (22) fixedly connected with aspiration pump (221), second protection casing (3) fixedly connected with second air-supply line (31), go out tuber pipe (22) fixed connection on second protection casing (3), inside and outside second air-supply line (31) intercommunication second protection casing (3), it is outside tuber pipe (22) intercommunication second protection casing (3), first air-supply line (21) other end intercommunication second protection casing (3), second air-supply line (31) other end intercommunication has the gas generation equipment (311) that can carry inert gas.
2. The lithium battery safety performance experiment protection device according to claim 1, characterized in that: one end of the first air inlet pipe (21) extending out of the second protective cover (3) is fixedly connected with a first regulating valve (211), and the second air inlet pipe (31) is fixedly connected with a second regulating valve (312).
3. The lithium battery safety performance experiment protection device of claim 2, characterized in that: the air outlet pipe (22) is fixedly connected with a spraying device (224).
4. The lithium battery safety performance experiment protection device of claim 3, characterized in that: the first air inlet pipe (21) is communicated with the interior of the second protective cover (3), and the first air inlet pipe (21) extends into one end of the second protective cover (3) and is fixedly connected with an electromagnetic valve (212).
5. The lithium battery safety performance experiment protection device according to claim 4, characterized in that: the first protection cover (2) is fixedly connected with a fire extinguishing device (24) at a position above the test bed (1), and the fire extinguishing device (24) is fixedly connected with a storage tank (241) for storing heptafluorobutane or carbon dioxide.
6. The lithium battery safety performance experiment protection device of claim 5, characterized in that: a first pressure relief pipeline (23) is fixedly connected to the first protection cover (2), and the first pressure relief pipeline (23) is communicated with the interior of the first protection cover (2) and the exterior of the second protection cover (3).
7. The lithium battery safety performance experiment protection device according to claim 1, characterized in that: fixedly connected with explosion-proof lamp (25) in first protection casing (2), a plurality of cameras (26) of fixedly connected with in first protection casing (2), camera (26) set up around test bench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658986.1U CN217718031U (en) | 2022-03-24 | 2022-03-24 | Lithium cell safety performance experiment protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658986.1U CN217718031U (en) | 2022-03-24 | 2022-03-24 | Lithium cell safety performance experiment protector |
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| Publication Number | Publication Date |
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| CN217718031U true CN217718031U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220658986.1U Active CN217718031U (en) | 2022-03-24 | 2022-03-24 | Lithium cell safety performance experiment protector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554838A (en) * | 2024-01-11 | 2024-02-13 | 深圳市百耐信科技有限公司 | Industrial and commercial liquid cooling energy storage battery equipment and control system |
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2022
- 2022-03-24 CN CN202220658986.1U patent/CN217718031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554838A (en) * | 2024-01-11 | 2024-02-13 | 深圳市百耐信科技有限公司 | Industrial and commercial liquid cooling energy storage battery equipment and control system |
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