CN213779352U - Large-scale lithium battery pack ignition and explosion force measuring device - Google Patents
Large-scale lithium battery pack ignition and explosion force measuring device Download PDFInfo
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- CN213779352U CN213779352U CN202022018558.6U CN202022018558U CN213779352U CN 213779352 U CN213779352 U CN 213779352U CN 202022018558 U CN202022018558 U CN 202022018558U CN 213779352 U CN213779352 U CN 213779352U
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- battery pack
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Abstract
The utility model discloses a large-scale lithium battery pack ignition and explosion force measuring device, which relates to the technical field of new energy battery detection, and comprises a netted protective cover, wherein a battery support is arranged in the netted protective cover, a lithium battery pack is placed on the battery support, a fire source oil pan is placed below the battery support, an ignition needle is arranged on the fire source oil pan, a lead is connected on the ignition needle, and the lead extends out of the netted protective cover and is connected with a high-pressure ignition bag; still include the control cabinet, the control cabinet sets up by netted safety cover, still is equipped with gas toxicity analytic system and fire extinguishing system. The utility model discloses have and still set up gas toxicity analytic system and fire extinguishing systems through on ignition system's basis, realized that extensive lithium cell carries out gas toxicity analysis simultaneously when carrying out the burning test to adopt netted safety cover and fire extinguishing systems when the burning test, guarantee experimental safety comprehensively, the effect of guarantee staff's safety.
Description
Technical Field
The utility model relates to a new forms of energy battery detects technical field, and more specifically says that it relates to an extensive lithium cell battery package explosion dynamics measuring device that catches fire.
Background
At present, rechargeable batteries such as lithium ion batteries are widely applied to mobile phones, toys, electric bicycles or other daily necessities, and China is a large country for producing and selling rechargeable batteries and has huge export quantity.
In the production and processing process of the lithium battery, the safety of the lithium battery pack needs to be detected, wherein the detection of the ignition and explosion strength of the large-scale lithium battery pack is included.
However, in the prior art, when the explosion strength of the lithium battery pack is measured, the lithium battery pack is difficult to simultaneously satisfy operations such as gas toxicity analysis and fire extinguishing, and has a single function, certain potential safety hazards exist in the test process, and the potential safety hazards need to be improved.
SUMMERY OF THE UTILITY MODEL
To this problem in the actual application, the utility model aims to provide an explosion dynamics measuring device that catches fire of extensive lithium battery package, concrete scheme is as follows:
a large-scale lithium battery pack ignition and explosion strength measuring device comprises a netted protective cover, wherein a battery support is arranged in the netted protective cover, a lithium battery pack is placed on the battery support, a fire source oil pan is placed below the battery support, an ignition needle is arranged on the fire source oil pan, a lead is connected to the ignition needle, and the lead extends out of the netted protective cover and is connected with a high-pressure ignition pack;
still include the control cabinet, the control cabinet sets up by the netted safety cover.
Further, the top of netted safety cover is equipped with the collection petticoat pipe, the exit end intercommunication of collection petticoat pipe has the collection cigarette passageway, the other end of collection cigarette passageway is connected with gas toxicity analysis appearance.
Further, the collection petticoat pipe is formed by square pipe type cover and back taper cover combination, square pipe type cover sets up on netted protecting hood, back taper cover with collection cigarette passageway intercommunication.
Further, the other fire extinguishing agent that is provided with of netted safety cover, the intercommunication has the pipeline on the fire extinguishing agent, the other end of pipeline is provided with the shower nozzle of putting out a fire, the shower nozzle of putting out a fire runs through collection petticoat pipe is fixed in on the collection petticoat pipe, the blowout end orientation of shower nozzle of putting out a fire the battery support.
Furthermore, a pressure conveying device is arranged in the fire extinguishing agent.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses in, through still set up gaseous toxicity analytic system and fire extinguishing systems on ignition system's basis, realized that extensive lithium cell carries out gaseous toxicity analysis simultaneously when carrying out the burning test to adopt netted safety cover and fire extinguishing systems when the burning test, guarantee experimental safety comprehensively, guarantee staff's safety.
Drawings
Fig. 1 is an overall schematic view of an embodiment of the present invention;
fig. 2 is a schematic position diagram of the middle lithium battery, the battery bracket and the fire source oil pan of the present invention.
Reference numerals: 1. a mesh-shaped protective cover; 2. a battery holder; 3. a lithium battery pack; 4. a fire source oil pan; 5. an ignition needle; 6. a wire; 7. a high pressure ignition pack; 8. a console; 9. a smoke collecting hood; 10. a smoke collection channel; 11. a gas toxicity analyzer; 12. a fire extinguishing agent; 13. a pipeline; 14. a fire extinguishing nozzle.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1, a device for measuring the intensity of fire and explosion of a large-scale lithium battery pack 3 includes an ignition system, a gas toxicity analysis system and a fire extinguishing system.
The ignition system is used for ignition to ignite the lithium battery pack 3.
In particular, in one possible embodiment, the ignition system comprises a mesh-like protection shield 1, the mesh-like protection shield 1 being provided as a mesh plate forming a cage-like structure, preferably the mesh-like protection shield 1 being provided as a square-shaped shield structure. Therefore, the internal test condition can be clearly observed during testing, and the safety can be guaranteed.
As shown in fig. 2, a battery support 2 is arranged in the netted protective cover 1, the battery support 2 comprises a placing plate and supporting legs arranged at four corners of the bottom of the placing plate, a plurality of lithium battery packs 3 are placed on the placing plate of the battery support 2, a fire source oil pan 4 is placed below the placing plate of the battery support 2, and the fire source oil pan 4 is ignited during testing so as to provide a high-temperature fire source.
An ignition needle 5 is arranged on the fire source oil disc 4, a lead 6 is connected to the ignition needle 5, and the lead 6 extends out of the reticular protective cover 1 and is connected with a high-pressure ignition bag 7. The control console 8 is arranged beside the reticular protective cover 1, the control console 8 is used for operation control tests, the control console 8 is arranged beside the reticular protective cover 1, and the control console 8 is electrically connected with the high-voltage ignition package 7. The high-voltage ignition bag 7 generates high voltage which is transmitted to the ignition needle 5 through the lead 6 to generate high-voltage electric arc to ignite fuel oil in the oil pan 4 of the ignition source.
The gas toxicity analysis system is used for collecting toxic gas generated after the lithium battery pack 3 catches fire and explodes so as to analyze the toxicity of the toxic gas.
Specifically, in one possible embodiment, as shown in fig. 1, the gas toxicity analysis system includes a smoke collection hood 9, a smoke collection passage 10, and a gas toxicity analyzer 11. The top of the netted protective cover 1 is provided with a smoke collecting cover 9, the outlet end of the smoke collecting cover 9 is communicated with a smoke collecting channel 10, and the other end of the smoke collecting channel 10 is connected with a gas toxicity analyzer 11. The fume collecting hood 9 and the fume collecting channel 10 are connected in a sealing way and can be sealed by adopting a high-temperature resistant rubber sealing ring. Similarly, the smoke collection channel 10 and the gas toxicity analyzer 11 are also hermetically connected.
The smoke collecting hood 9 is formed by combining a square pipe-shaped hood and an inverted cone-shaped hood, the square pipe-shaped hood is arranged on the reticular protective hood 1, and the inverted cone-shaped hood is communicated with the smoke collecting channel 10. The square pipe-shaped cover is used for collecting toxic gas, and the inverted cone-shaped cover is used for gathering the toxic gas and leading out the toxic gas to the smoke collection channel 10. The fume collecting hood 9 delivers the toxic gas to the gas toxicity analyzer 11 through the fume collecting duct 10, thereby performing an analysis measurement of the toxic gas.
Fire extinguishing systems are used to extinguish fires.
Specifically, in one possible embodiment, as shown in fig. 1, a fire extinguishing agent 12 is disposed beside the mesh-shaped protecting cover 1, and a pressure delivery device is disposed in the fire extinguishing agent 12. The pressure delivery device can adopt a pressure pump, and the pressure pump is electrically connected with the control console 8.
The fire extinguishing agent 12 is communicated with a pipeline 13, the other end of the pipeline 13 is provided with a fire extinguishing nozzle 14, the fire extinguishing nozzle 14 penetrates through the smoke collecting hood 9 and is fixed on the smoke collecting hood 9, and the spraying end of the fire extinguishing nozzle 14 faces the battery support 2. Preferably, the fire extinguishing nozzle 14 and the smoke collecting hood 9 can be in sealing connection, and the sealing mode can adopt a rubber sealing ring.
The utility model discloses a concrete implementation principle does: when the storage battery pack is fired and exploded, the control console 8 controls the high-voltage ignition pack 7 to generate high voltage, the high-voltage ignition pack is connected with the ignition needle 5 through the lead 6 to generate high-voltage electric arc, fuel oil in the fire source oil pan 4 is ignited, the fire source oil pan 4 is ignited to improve a high-temperature fire source, the storage battery pack is fired and exploded to perform a test, toxic gas is generated in the process of firing and explosion of the battery pack, the toxic gas rises to enter the smoke collecting hood 9 and enters the gas toxicity analyzer 11 through the smoke collecting channel 10 to perform toxicity analysis and measurement, after the test is finished, the control console 8 controls the pressure conveying device in the fire extinguishing agent 12 to convey the agent to the fire extinguishing nozzle 14 through the pipeline 13, and the fire extinguishing nozzle 14 sprays out to extinguish flames on the storage battery pack, the gas toxicity analysis is simultaneously performed when the large-scale lithium battery is fired, and the mesh-shaped protective cover 1 and the fire extinguishing system are adopted when the fire test is fired, the safety of the test is comprehensively guaranteed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The device for measuring the ignition and explosion strength of the large-scale lithium battery pack is characterized by comprising a netted protective cover (1), wherein a battery support (2) is arranged in the netted protective cover (1), the lithium battery pack (3) is placed on the battery support (2), a fire source oil pan (4) is placed below the battery support (2), an ignition needle (5) is arranged on the fire source oil pan (4), a lead (6) is connected to the ignition needle (5), and the lead (6) extends out of the netted protective cover (1) and is connected with a high-pressure ignition pack (7);
the protective cover further comprises a control console (8), wherein the control console (8) is arranged beside the reticular protective cover (1);
a smoke collecting hood (9) is arranged at the top of the reticular protective cover (1), and one end of the smoke collecting hood (9) is connected with a gas toxicity analyzer (11);
fire extinguishing agent (12) is arranged beside the reticular protective cover (1).
2. The large-scale lithium battery pack fire and explosion strength measuring device according to claim 1, wherein an outlet end of the fume collecting hood (9) is communicated with a fume collecting channel (10).
3. The large-scale lithium battery pack firing and explosion strength measuring device according to claim 2, wherein the fume collecting hood (9) is formed by combining a square pipe-shaped hood and an inverted cone-shaped hood, the square pipe-shaped hood is arranged on the mesh-shaped protective hood (1), and the inverted cone-shaped hood is communicated with the fume collecting channel (10).
4. The large-scale lithium battery pack fire and explosion strength measuring device according to claim 2, wherein a pipeline (13) is communicated with the fire extinguishing agent (12), a fire extinguishing nozzle (14) is arranged at the other end of the pipeline (13), the fire extinguishing nozzle (14) penetrates through the smoke collecting hood (9) and is fixed on the smoke collecting hood (9), and the spraying end of the fire extinguishing nozzle (14) faces the battery support (2).
5. The apparatus for measuring the intensity of fire and explosion of a large-scale lithium battery pack according to claim 4, wherein a pressure delivery device is provided in the fire extinguishing agent (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022018558.6U CN213779352U (en) | 2020-09-15 | 2020-09-15 | Large-scale lithium battery pack ignition and explosion force measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022018558.6U CN213779352U (en) | 2020-09-15 | 2020-09-15 | Large-scale lithium battery pack ignition and explosion force measuring device |
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| CN213779352U true CN213779352U (en) | 2021-07-23 |
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| CN202022018558.6U Active CN213779352U (en) | 2020-09-15 | 2020-09-15 | Large-scale lithium battery pack ignition and explosion force measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804855A (en) * | 2021-09-15 | 2021-12-17 | 中国电力科学研究院有限公司 | Battery explosion shock wave overpressure measuring method and system |
-
2020
- 2020-09-15 CN CN202022018558.6U patent/CN213779352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804855A (en) * | 2021-09-15 | 2021-12-17 | 中国电力科学研究院有限公司 | Battery explosion shock wave overpressure measuring method and system |
| CN113804855B (en) * | 2021-09-15 | 2024-02-27 | 中国电力科学研究院有限公司 | Method and system for measuring overpressure of explosion shock waves of battery |
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