CN213313059U - Extinguishing device, battery package and vehicle - Google Patents
Extinguishing device, battery package and vehicle Download PDFInfo
- Publication number
- CN213313059U CN213313059U CN202021566870.2U CN202021566870U CN213313059U CN 213313059 U CN213313059 U CN 213313059U CN 202021566870 U CN202021566870 U CN 202021566870U CN 213313059 U CN213313059 U CN 213313059U
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- fire extinguishing
- battery
- chamber
- fire
- explosion
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- 239000000463 material Substances 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- 235000011089 carbon dioxide Nutrition 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a extinguishing device, battery package and vehicle relates to new energy automobile technical field. The fire extinguishing device is used for extinguishing fire of the battery module, the battery module comprises a plurality of single batteries arranged side by side, and each single battery is provided with an explosion-proof valve. The fire extinguishing device comprises a substrate, wherein the substrate is arranged on one side of the battery module; be provided with first chamber and the second of holding on the base plate and hold the chamber, first hold the chamber just to explosion-proof valve setting, the second holds the chamber and is located the first top that holds the chamber, and every battery cell spun high temperature result is collected in first holding the intracavity when thermal runaway. The second holds the intracavity and is equipped with fire extinguishing material, and fire extinguishing material can carry out the directional fire extinguishing to the battery cell. The utility model provides a fire extinguishing apparatus, high temperature result discharge route when the battery cell thermal runaway is short, and simple structure, can play the effect that the battery cell of guide thermal runaway discharged high temperature result and directional fire extinguishing simultaneously.
Description
Technical Field
The utility model relates to a new energy automobile technical field especially relates to a extinguishing device, battery package and vehicle.
Background
The lithium ion battery has excellent performances of high voltage, high energy, long cycle life, no pollution to the environment and the like, and is widely applied to electric automobiles. However, during the use of the lithium ion battery, thermal runaway may occur due to wading, short circuit, overcharge, high temperature, mechanical collision, manual operation, and the like, and then fire and explosion may occur.
Aiming at the out-of-control of the battery pack, high-temperature products sprayed by the explosion-proof valve are discharged along a specific path through the structural design in the prior art so as to reduce the influence of the high-temperature sprayed products on other battery cores, but the paths are designed to be longer and have complex structures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire extinguishing apparatus to the discharge route that realizes the high temperature result is short, and simple structure, can play the effect that the single cell discharge high temperature result of guide thermal runaway put out a fire with the orientation simultaneously.
Another object of the utility model is to provide a battery package uses above-mentioned extinguishing device to realize effectively avoiding battery package thermal runaway, improve the security of battery package.
The utility model discloses still have an aim at to provide a vehicle, use above-mentioned battery package to realize effectively avoiding the vehicle to take place the danger of catching a fire, explosion, improve the security performance of vehicle.
To achieve the purpose, the utility model adopts the following technical proposal:
a fire extinguishing device is used for extinguishing fire of a battery module, the battery module comprises a plurality of single batteries arranged side by side, each single battery is provided with an explosion-proof valve, the fire extinguishing device comprises a base plate, the base plate is arranged on one side of the battery module, a first accommodating cavity and a second accommodating cavity are arranged on the base plate, the first accommodating cavity is arranged right opposite to the explosion-proof valve, the second accommodating cavity is located above the first accommodating cavity, and high-temperature products sprayed out of the single batteries when the single batteries are out of control due to heat can be collected in the first accommodating cavity; and a fire extinguishing material is filled in the second accommodating cavity and can directionally extinguish the fire of the single battery.
Optionally, a plurality of collecting ports are further arranged on the substrate, the collecting ports are respectively communicated with the first accommodating cavity, and the collecting ports and the explosion-proof valves of the single batteries are arranged in a one-to-one correspondence manner.
Optionally, the collection port includes a first opening and a second opening, the first opening is opposite to the explosion-proof valve, the second opening is communicated with the first accommodating cavity, and the area of the first opening is larger than that of the second opening.
Optionally, the cross-section of the collection port is trapezoidal.
Optionally, a fire extinguishing trigger is arranged between the first accommodating cavity and the second accommodating cavity and can be triggered at a set temperature, so that the fire extinguishing material can directionally extinguish the fire of the single battery.
Optionally, the fire extinguishing trigger is a partition plate arranged between the first accommodating cavity and the second accommodating cavity, and the partition plate is fusible at the set temperature.
Optionally, the set temperature is 200 ℃ to 300 ℃.
Optionally, the fire extinguishing material is dry ice or foam.
A battery pack comprises a plurality of battery modules and a plurality of fire extinguishing devices, wherein the plurality of battery modules and the plurality of fire extinguishing devices are arranged in a one-to-one correspondence mode.
A vehicle comprising a battery pack as described above.
The utility model has the advantages that:
the utility model provides a fire extinguishing apparatus is just to explosion-proof valve setting through with first chamber that holds, and the second holds the chamber and is located the first top that holds the chamber, and the spun high temperature result can be collected in the first intracavity that holds when thermal runaway of battery cell, and the first chamber that holds is used for the guide to collect the high temperature result of discharge when thermal runaway of battery cell. When the high temperature result of first holding intracavity collection reaches the uniform temperature, the second holds the fire extinguishing material of intracavity and can carry out the directional fire extinguishing to the battery cell. The utility model provides a fire extinguishing apparatus, high temperature result discharge route when the battery cell thermal runaway is short, and simple structure, can play the effect that the battery cell of guide thermal runaway discharged high temperature result and directional fire extinguishing simultaneously.
The utility model provides a fire extinguishing device, the first opening area of the collecting port is larger than the second opening area, when the high-temperature product of the single battery is sprayed out, the first containing cavity can collect and guide the high-temperature product to be discharged in time to the maximum extent; when the second holds the fire extinguishing material in chamber and carries out directional fire extinguishing to the battery cell, can increase the eruption area of fire extinguishing material, improve fire extinguishing efficiency.
The utility model provides a battery package uses foretell extinguishing device, can effectively avoid battery package thermal runaway, improves the security of battery package.
The utility model provides a vehicle uses foretell battery package, can effectively avoid the vehicle to take place the danger of catching a fire, explosion, improves the security performance of vehicle.
Drawings
Fig. 1 is a schematic structural diagram of a fire extinguishing apparatus and a battery module provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.
In the figure:
100. a battery module; 200. a fire extinguishing device; 300. a top cover of the box body;
101. a single battery; 102. a module cover plate;
1. a first accommodating chamber; 2. a second accommodating chamber; 3. a collection port.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and 2, the present embodiment provides a fire extinguishing apparatus for extinguishing fire of a battery module 100, the battery module 100 includes a plurality of unit batteries 101 arranged side by side, and each unit battery 101 is provided with an explosion-proof valve. The fire extinguishing device 200 includes a substrate disposed at one side of the battery module 100; be provided with first chamber 1 and the second of holding on the base plate and hold chamber 2, first chamber 1 that holds is just to explosion-proof valve setting, and the second holds chamber 2 and is located the first top that holds chamber 1, and the spun high temperature product of battery cell 101 when thermal runaway is collected in first chamber 1 that holds. The second holds the intracavity 2 and is equipped with the fire extinguishing material, and the fire extinguishing material can carry out the directional fire extinguishing to battery cell 101.
The extinguishing device that this embodiment provided, through just to explosion-proof valve setting with first chamber 1 that holds, the second holds the top that chamber 2 is located first chamber 1 that holds, and the spun high temperature result can be collected in first chamber 1 that holds when thermal runaway of battery cell 101, and first chamber 1 that holds is used for the guide to collect the high temperature result of discharge when battery cell 101 thermal runaway. When the high temperature product of collecting in the first chamber 1 reaches the uniform temperature, the fire extinguishing material in the second chamber 2 that holds can carry out the directional fire extinguishing to battery cell 101. The utility model provides a fire extinguishing apparatus, high temperature result discharge route when battery cell 101 thermal runaway is short, and simple structure, can play the effect that guide thermal runaway battery cell 101 discharged high temperature result and directional fire extinguishing simultaneously.
In the present embodiment, each battery module 100 is provided with a module cover plate 102, and the module cover plate 102 is made of a plastic material and has an insulation protection function.
Optionally, still be provided with a plurality of collection mouths 3 on the base plate, a plurality of collection mouths 3 respectively with first chamber 1 intercommunication that holds, a plurality of collection mouths 3 set up with a plurality of battery cell 101's explosion-proof valve one-to-one. In this embodiment, the fire extinguishing device 200 is disposed at the terminal end of the single battery 101, the positive and negative terminals of the single battery 101 are disposed at one end, the explosion-proof valve is disposed between the positive and negative terminals, and the collection port 3 is disposed opposite to the explosion-proof valve. The number of the collecting ports 3 in the first receiving chamber 1 is the same as the number of the unit cells 101 in the battery module 100. When one of the single batteries 101 in the battery module 100 is out of control due to heat, the generated high-temperature product is guided to the first accommodating cavity 1 through the collecting port 3 corresponding to the single battery 101, and the influence on other single batteries 101 is avoided. The second holds the extinguishing material in the chamber 2 and carries out directional fire extinguishing to thermal runaway's battery cell 101 through collecting mouthful 3, has improved fire extinguishing efficiency.
In this embodiment, a plurality of avoiding holes are formed in the module cover plate 102 between the fire extinguishing apparatus 200 and the battery module 100, and the avoiding holes correspond to the explosion-proof valve and the collecting port 3, so that the high-temperature product sprayed by the single battery 101 through the explosion-proof valve can be guided into the first accommodating cavity 1 through the avoiding holes and the collecting port 3. The collection port 3 is made of high temperature fire resistant mica sheets. Of course, in other embodiments, the collection port 3 may be provided directly in correspondence with the explosion-proof valve without providing the module cover 102 to the battery module 100.
Preferably, the collecting port 3 includes a first opening disposed opposite to the explosion-proof valve and a second opening communicated with the first accommodating chamber 1, and the area of the first opening is larger than that of the second opening. The first opening area of the collecting port 3 is larger than the second opening area, so that when the high-temperature product of the single battery 101 is sprayed out, the first accommodating cavity 1 can collect and guide the high-temperature product to be discharged in time to the maximum extent; when the second holds the fire extinguishing material in chamber 2 and carries out directional fire extinguishing to battery cell 101, can increase the eruption area of fire extinguishing material, improve fire extinguishing efficiency.
Optionally, the cross-section of the collecting port 3 is trapezoidal. In this embodiment, the collecting port 3 is provided with the collecting port 3 having a trapezoidal cross section, and the collecting port 3 having a trapezoidal cross section is easy to manufacture. Of course, in other embodiments, the cross section may be provided with the collecting port 3 having other shapes such as the opening sizes at the two ends being different and the middle being arc-shaped.
Optionally, a fire extinguishing trigger is arranged between the first accommodating cavity 1 and the second accommodating cavity 2, and the fire extinguishing trigger can be triggered at a set temperature, so that the fire extinguishing material can directionally extinguish the fire of the single battery 101. Specifically, the fire extinguishing triggering member is a partition plate arranged between the first accommodating cavity 1 and the second accommodating cavity 2, and the partition plate is fusible at a set temperature. In this embodiment, the baffle is made by the plastics material that can melt, and when the high temperature result in the first chamber 1 that holds reached the settlement temperature, the baffle that is located the first chamber 1 that holds and the second holds between the chamber 2 can melt, and the fire extinguishing material drops to collecting port 3 from the second holds in the chamber 2 to from collecting port 3 blowout, carry out the directional fire extinguishing to thermal runaway's battery cell 101 and handle. It should be noted that, except for the partition board shared by the first accommodating cavity 1 and the second accommodating cavity 2, other side plates are made of high-temperature and fire-resistant mica sheets.
The utility model discloses another optional embodiment, the trigger of putting out a fire also can be temperature sensor, and when temperature sensor detected the first temperature that holds the interior high temperature result of chamber 1 and reached the settlement temperature, the control second held 2 release fire extinguishing material in chamber, carries out the orientation to thermal runaway's battery cell 101 and puts out a fire.
Preferably, the set temperature is 200 ℃ to 300 ℃. In general, when the temperature in the first receiving chamber 1 is higher than 300 ℃, there is a risk of fire and explosion. When the temperature is lower than 200 ℃, the high-temperature products are guided and discharged through the collecting port 3, and the heating condition of the single battery 101 can be effectively relieved.
Optionally, the fire extinguishing material is dry ice or foam. The fire extinguishing material in the embodiment can further ensure the reliability of the fire extinguishing material when thermal runaway occurs and the safety of the fire extinguishing material when thermal runaway does not occur.
The embodiment also provides a battery pack, which comprises a plurality of battery modules 100 and a plurality of fire extinguishing devices 200, wherein the plurality of battery modules 100 and the plurality of fire extinguishing devices 200 are arranged in a one-to-one correspondence manner. The battery pack further comprises a box body, the box body comprises a box body top cover 300, a plurality of battery modules 100 and a plurality of fire extinguishing devices 200 are arranged in the box body, and each battery module 100 corresponds to one fire extinguishing device 200. The plurality of fire extinguishing apparatuses 300 are fixedly connected to the case top cover 300, respectively. The battery package that this embodiment provided uses foretell extinguishing device 200, can effectively avoid battery package thermal runaway, improves battery package's security.
The embodiment also provides a vehicle comprising the battery pack. The vehicle that this embodiment provided, use foretell battery package, can effectively avoid the vehicle to take place the danger of catching fire, explosion, improve the security performance of vehicle.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a fire extinguishing apparatus, fire extinguishing apparatus is used for putting out a fire of battery module (100), battery module (100) include a plurality of battery cell (101) that set up side by side, every all be provided with explosion-proof valve on battery cell (101), its characterized in that, fire extinguishing apparatus (200) include:
a substrate disposed at one side of the battery module (100);
a first accommodating cavity (1) and a second accommodating cavity (2) are arranged on the substrate, the first accommodating cavity (1) is arranged right opposite to the explosion-proof valve, the second accommodating cavity (2) is positioned above the first accommodating cavity (1), and high-temperature products sprayed out by the single battery (101) during thermal runaway can be collected in the first accommodating cavity (1); the second holds the chamber (2) and is equipped with the fire extinguishing materials in, the fire extinguishing materials can be right monomer battery (101) carry out the directional fire extinguishing.
2. The fire extinguishing apparatus according to claim 1, wherein a plurality of collecting ports (3) are further provided on the base plate, the plurality of collecting ports (3) are respectively communicated with the first accommodating chamber (1), and the plurality of collecting ports (3) are arranged in one-to-one correspondence with the explosion-proof valves of the plurality of unit batteries (101).
3. Fire extinguishing apparatus according to claim 2, characterized in that the collecting opening (3) comprises a first opening arranged opposite the explosion-proof valve and a second opening communicating with the first receiving chamber (1), the area of the first opening being larger than the area of the second opening.
4. Fire extinguishing apparatus according to claim 3, characterized in that the cross-section of the collecting opening (3) is trapezoidal.
5. Fire extinguishing device according to claim 1, characterized in that a fire extinguishing trigger is arranged between the first containing chamber (1) and the second containing chamber (2), which fire extinguishing trigger can be triggered at a set temperature to cause the fire extinguishing material to directionally extinguish the fire of the battery cell (101).
6. Fire extinguishing apparatus according to claim 5, characterized in that the fire extinguishing trigger is a partition arranged between the first containing chamber (1) and the second containing chamber (2), which partition is fusible at the set temperature.
7. The fire extinguishing apparatus of claim 5, wherein the set temperature is 200 ℃ to 300 ℃.
8. Fire extinguishing apparatus according to any one of claims 1 to 7, wherein the fire extinguishing material is dry ice or foam.
9. A battery pack, comprising a plurality of battery modules (100) and a plurality of fire extinguishing apparatuses (200) according to any one of claims 1 to 8, the plurality of battery modules (100) and the plurality of fire extinguishing apparatuses (200) being arranged in one-to-one correspondence.
10. A vehicle characterized by comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566870.2U CN213313059U (en) | 2020-07-31 | 2020-07-31 | Extinguishing device, battery package and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566870.2U CN213313059U (en) | 2020-07-31 | 2020-07-31 | Extinguishing device, battery package and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213313059U true CN213313059U (en) | 2021-06-01 |
Family
ID=76093071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021566870.2U Active CN213313059U (en) | 2020-07-31 | 2020-07-31 | Extinguishing device, battery package and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213313059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745695A (en) * | 2021-08-27 | 2021-12-03 | 中国第一汽车股份有限公司 | Fire extinguishing pipe assembly, battery thermal management device, battery system and electric vehicle |
| CN114497874A (en) * | 2022-04-02 | 2022-05-13 | 长安新能源南京研究院有限公司 | Battery pack, automobile and control method for reducing thermal runaway risk of battery pack |
| WO2023245845A1 (en) * | 2022-06-23 | 2023-12-28 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
-
2020
- 2020-07-31 CN CN202021566870.2U patent/CN213313059U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745695A (en) * | 2021-08-27 | 2021-12-03 | 中国第一汽车股份有限公司 | Fire extinguishing pipe assembly, battery thermal management device, battery system and electric vehicle |
| CN113745695B (en) * | 2021-08-27 | 2023-10-27 | 中国第一汽车股份有限公司 | Fire extinguishing pipe assembly, battery thermal management device, battery system and electric vehicle |
| CN114497874A (en) * | 2022-04-02 | 2022-05-13 | 长安新能源南京研究院有限公司 | Battery pack, automobile and control method for reducing thermal runaway risk of battery pack |
| WO2023245845A1 (en) * | 2022-06-23 | 2023-12-28 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
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