CN219873641U - Explosion-proof lithium battery of car - Google Patents
Explosion-proof lithium battery of car Download PDFInfo
- Publication number
- CN219873641U CN219873641U CN202223296935.8U CN202223296935U CN219873641U CN 219873641 U CN219873641 U CN 219873641U CN 202223296935 U CN202223296935 U CN 202223296935U CN 219873641 U CN219873641 U CN 219873641U
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- CN
- China
- Prior art keywords
- lithium battery
- explosion
- pressure water
- proof
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims description 6
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 20
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 17
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model discloses an automobile explosion-proof lithium battery, which comprises a lithium battery framework, an explosion-proof box shell, a lithium battery cell, a high-pressure water pump, an antifreezing solution/liquid extinguishing agent inlet, a high-temperature gas discharge pipeline, a fire-fighting interface connecting pipeline, a lithium battery safety controller and a lithium battery power supply controller. The utility model belongs to the technical field of lithium batteries, and particularly relates to an automobile explosion-proof lithium battery, wherein an explosion or combustion of an electric core in a battery pack is detected by a temperature sensor, the state of the lithium battery core is judged by a safety controller of the lithium battery according to a signal of the temperature sensor, the lithium battery can react rapidly, and the risk is controlled to prevent the expansion.
Description
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to an automobile explosion-proof lithium battery.
Background
The lithium ion battery is applied and developed for over 20 years, and is used on a large scale on a new energy automobile in recent years, the technology tends to be mature, the industry is complete, the cost of the new energy automobile is pushed to be continuously close to a fuel automobile, and therefore the lithium ion battery becomes the main flow power selection of the new energy automobile, and the lithium ion power battery is used as the key core component of the new energy automobile to directly influence the performance of the new energy automobile, including the endurance mileage, the safety, the service life, the charging time, the high-low temperature adaptability and the like of the new energy automobile.
The lithium battery of the existing automobile has higher integration level, the explosion or naturalness of the lithium battery is generally that the overheat or short circuit of a single battery core generates spontaneous combustion or explosion, and the explosion or combustion of the single battery core generates chain reaction of the battery core of the whole battery pack, so that the explosion or spontaneous combustion of all the battery cores can not be controlled, the naturalness of the whole automobile is caused, no prevention exists, the danger can only be caused when the fire fighting truck arrives, and the irrecoverable loss is caused at the time.
Therefore, it is necessary to design an anti-explosion lithium battery for an automobile, which can judge the state of the lithium battery core, quickly react, and control the risk to prevent the expansion, so as to solve the problems in the prior art.
Disclosure of Invention
In order to solve the problems, the utility model provides the explosion-proof lithium battery for the automobile, wherein the explosion or combustion of the battery core in the battery pack is detected by the temperature sensor, the state of the lithium battery core is judged by the safety controller of the lithium battery according to the signal of the temperature sensor, the reaction is quickly performed, and the risk is controlled to prevent the expansion.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: the utility model provides an explosion-proof lithium cell of car, includes lithium battery skeleton, explosion-proof case casing, lithium battery cell, high-pressure water pump, antifreeze/liquid fire extinguishing agent import, high-temperature gas discharge pipeline, fire control interface connection pipeline, lithium battery safety controller and lithium battery power supply controller, the explosion-proof case casing is located in the lithium battery skeleton, the explosion-proof case casing is located to the lithium battery cell, the power of explosion-proof case casing passes through the power cord and is connected with power supply controller, be equipped with temperature sensor on the explosion-proof case casing, temperature sensor passes through temperature sensor signal line and is connected with lithium battery safety controller, the high-pressure water pump passes through the high-pressure water pipe and is connected with the lithium battery cell, be equipped with the high-pressure water nozzle on the high-pressure water pipe, antifreeze/liquid fire extinguishing agent import links to each other with the high-pressure water pump, fire control interface connection pipeline both ends are connected in high-pressure water pump and fire control interface, the high-temperature gas discharge pipeline is connected with lithium battery cell, be connected with big particulate filter and fire arrester on the high-temperature gas discharge pipeline.
Preferably, the explosion-proof box shell is provided with a plurality of groups along the lithium battery framework.
Preferably, the temperature sensors are provided in groups along the explosion proof box housing.
Preferably, the high-pressure water nozzles are provided with several groups along the high-pressure water pipe.
Preferably, the high-temperature gas discharge pipeline is connected with a check valve close to the lithium battery core.
Preferably, the high-pressure water pump is connected with a bypass safety valve, an electric valve and a one-way valve.
The utility model adopts the structure to obtain the beneficial effects as follows:
1. the lithium battery cell generates explosion or combustion in the explosion-proof box shell, and the explosion-proof box shell can control the risk in the explosion-proof box without causing spontaneous combustion of the vehicle;
2. the problem of one or more lithium battery cells is avoided, so that the overall damage of the lithium battery is avoided, and the loss is reduced;
3. the method can actively reduce larger loss caused by explosion of the battery core of the lithium battery and control the loss in a minimum range;
4. the explosion or combustion of the lithium battery is controlled in the explosion-proof box through the explosion-proof box shell by the anti-freezing liquid/liquid fire extinguishing agent inlet, the anti-freezing liquid carried by the vehicle is pressurized and conveyed into the lithium battery explosion-proof box through the water pump under the condition of no fire engine, the lithium battery cell is cooled, the risk is controlled rapidly, the safety condition of the lithium battery is monitored by the computer, and the risk is controlled by intervention in advance after the explosion or combustion in a small range.
5. Under the condition that the fire control device cannot control the fire control device, the fire control device can link high-pressure water or fire control foam to the lithium battery core in the lithium battery explosion-proof box through the fire control interface outside the vehicle body to cool and dissipate heat, and the fire control interface can rapidly transmit the high-pressure water into the explosion-proof box;
6. explosion or combustion of the lithium battery core in the explosion-proof box generates gas with flame, the flame is blocked in the explosion-proof box by the flame arrester to discharge high-temperature gas, and the explosion of the explosion-proof box is prevented;
7. the lithium battery cells are distributed and managed to prevent the damage of all electric appliances and battery cells caused by the problem of one cell.
Drawings
Fig. 1 is a schematic structural diagram of an explosion-proof lithium battery for an automobile.
Wherein, A4, lithium battery skeleton, A5, explosion-proof case casing, A1, lithium battery cell, B1, high-pressure water pump, B2, antifreeze/liquid fire extinguishing agent import, G4, high-temperature gas discharge pipeline, B3, fire control interface, B8, fire control interface connection pipeline, D4, lithium battery safety controller, F4, lithium battery power supply controller, F1, the power cord, D1, temperature sensor, D3, temperature sensor signal line, B5, high-pressure water pipe, E1, high-pressure water nozzle, G1, the check valve, G2, large particle filter, G3, flame arrester.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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. The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the automobile explosion-proof lithium battery provided by the utility model comprises a lithium battery framework A4, an explosion-proof box shell A5, a lithium battery cell A1, a high-pressure water pump B1, an antifreezing solution/liquid extinguishing agent inlet B2, a high-temperature gas discharge pipeline G4, a fire-fighting interface B3 connecting pipeline, a lithium battery safety controller D4 and a lithium battery power supply controller F4, wherein the explosion-proof box shell A5 is arranged in the lithium battery framework A4, the lithium battery cell A1 is arranged in the explosion-proof box shell A5, a power supply of the explosion-proof box shell A5 is connected with the power supply controller through a power line F1, a temperature sensor D1 is arranged on the explosion-proof box shell A5, the temperature sensor D1 is connected with the lithium battery safety controller D4 through a signal line of the temperature sensor D1, the high-pressure water pump B1 is connected with the lithium battery cell A1 through a high-pressure water pipe B5, a high-pressure water nozzle E1 is arranged on the high-pressure water pipe B5, an antifreezing solution/liquid extinguishing agent inlet B2 is connected with the high-pressure water pump B1, two ends of a fire-fighting interface B3 connecting pipeline are connected with the high-pressure water pump B1 and the fire-fighting interface B3, a high-temperature gas discharge pipeline G4 is connected with the lithium battery cell A1, a large particle filter G2 and a flame arrester G3 are connected on the high-temperature gas discharge pipeline G4, a check valve G1 is connected at a position, close to the lithium battery cell A1, of the high-temperature gas discharge pipeline G4, and a bypass safety valve, an electric valve and a check valve G1 are connected on the high-pressure water pump B1.
According to the technical scheme, an integral lithium battery explosion-proof box is dispersed into three explosion-proof box shells A5 or more, the power supplies of the three explosion-proof box shells A5 are gathered in parallel or in series to be arranged and output by a lithium battery power controller F4, and a lithium battery safety controller D4 judges the safety condition of a lithium battery cell A1 in the explosion-proof box shells A5 according to a plurality of temperature sensors D1 on the explosion-proof box shells A5 and the working voltage of the explosion-proof box shells A5, so that a high-pressure water pump B1 is controlled to provide high-pressure water or fire-fighting foam for the lithium battery cell A1 in question to quickly dissipate heat and extinguish the fire, if danger cannot be controlled in the interior, the high-pressure water or fire-fighting foam can be supplied to the lithium battery explosion-proof box in question again through a fire-fighting interface B3 from outside fire engines or the high-pressure water to cool the battery to extinguish the fire.
The single lithium battery cell A1 in the explosion-proof box shell A5 explodes or burns, the working state of the lithium battery cell A1 is detected by a plurality of temperature sensors D1, signals are transmitted to the lithium battery safety controller D4, the lithium battery power controller F4 transmits battery working voltage signals to the lithium battery safety controller D4, and the lithium battery power controller F4 cuts off a working circuit of the lithium battery explosion-proof box with problems. The lithium battery safety controller D4 judges the working state of the lithium battery pack according to the signal of the temperature sensor D1 and the voltage signal given by the lithium battery power controller F4, and then controls the water pump to open the electric valve of the battery pack corresponding to the problem. The anti-freezing solution or the liquid extinguishing agent of the vehicle radiator is pressurized and conveyed to the inside of the lithium battery explosion-proof box by the high-pressure water pump B1 to quickly control potential safety hazards, so that the problem that chain reaction is caused by the problem of one lithium battery cell A1 is prevented from causing larger loss, and the risk is controlled in the minimum range in advance.
The lithium battery cell A1 is exploded or waste gas and particle fragments generated by combustion in the explosion-proof box are filtered by the large particle filter G2 through the high-temperature gas discharge pipe G4, the flame arrester G3 is used for blocking flame-bearing gas in the explosion-proof box shell A5 from spreading outwards, the flame is blocked, high-temperature high-pressure gas is discharged from the explosion-proof box shell A5, the high-temperature gas discharge pipe G4, the flame arrester G3, the large particle filter G2 and the flame arrester G3 are used for discharging the high-temperature high-pressure gas generated by combustion or explosion in the explosion-proof box into the explosion-proof box shell A5, the flame is blocked in the explosion-proof box shell A5, the pressure in the explosion-proof box shell A5 is prevented from being too high, the explosion-proof box shell A5 is prevented from generating an explosion ignition car body line, and the flame is prevented from causing larger loss to the outside.
The lithium battery safety controller D4 detects the working state of the lithium battery, the explosion and natural risk of the lithium battery core are controlled inside the explosion-proof case shell A5 by the explosion-proof case shell A5, the filter and the flame arrester G3 discharge high-temperature gas out of the explosion-proof case shell A5 to prevent the explosion of the explosion-proof case, the lithium battery safety controller D4 rapidly conveys the automobile antifreezing solution or the liquid fire extinguishing agent into the explosion-proof case shell A5 through the water pump after the explosion or the combustion of the lithium battery core A1, the risk is rapidly controlled, and if the automobile body is provided with the antifreezing solution or the liquid fire extinguishing agent, the natural or explosion risk of the lithium battery core A1 can not be controlled, the high-pressure water or the liquid fire extinguishing agent can be provided for extinguishing and cooling through the fire-fighting interface B3 outside the automobile body.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. The utility model provides an explosion-proof lithium cell of car, includes lithium cell skeleton, explosion-proof case casing, lithium cell electricity core, high-pressure water pump, antifreeze liquid fire extinguishing agent import, high-temperature gas discharge pipeline, fire control interface connection pipeline, lithium cell safety controller and lithium cell power controller, its characterized in that: the lithium battery box comprises a lithium battery framework, an explosion-proof box shell, a lithium battery cell, a power supply controller, a temperature sensor, a high-pressure water pump, a high-pressure water nozzle, an antifreezing solution/liquid extinguishing agent inlet, a fire-fighting interface connecting pipeline, a high-pressure water pump and a fire-fighting interface, wherein the explosion-proof box shell is arranged in the lithium battery framework, the lithium battery cell is arranged in the explosion-proof box shell, a power supply of the explosion-proof box shell is connected with the power supply controller through a power supply line, the explosion-proof box shell is provided with the temperature sensor, the temperature sensor is connected with the lithium battery safety controller through a temperature sensor signal line, the high-pressure water pump is connected with the lithium battery cell through the high-pressure water pipe, the high-pressure water pipe is provided with the high-pressure water nozzle, the antifreezing solution/liquid extinguishing agent inlet is connected with the high-pressure water pump, two ends of the fire-fighting interface connecting pipeline are connected with the high-pressure water pump and the fire-fighting interface, the high-pressure gas discharging pipeline is connected with the large-particle filter and the fire arrester.
2. The explosion-proof lithium battery of an automobile according to claim 1, wherein: the explosion-proof box shell is provided with a plurality of groups along the lithium battery framework.
3. An automotive explosion-proof lithium battery as set forth in claim 2, wherein: the temperature sensor is provided with a plurality of groups along the explosion-proof box shell.
4. An automotive explosion-proof lithium battery according to claim 3, wherein: the high-pressure water nozzles are provided with a plurality of groups along the high-pressure water pipe.
5. The explosion-proof lithium battery for an automobile according to claim 4, wherein: and the high-temperature gas discharge pipeline is connected with a one-way valve at a position close to the lithium battery core.
6. An automotive explosion-proof lithium battery according to claim 5, wherein: and the high-pressure water pump is connected with a bypass safety valve, an electric valve and a one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223296935.8U CN219873641U (en) | 2022-12-09 | 2022-12-09 | Explosion-proof lithium battery of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223296935.8U CN219873641U (en) | 2022-12-09 | 2022-12-09 | Explosion-proof lithium battery of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873641U true CN219873641U (en) | 2023-10-20 |
Family
ID=88348601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223296935.8U Active CN219873641U (en) | 2022-12-09 | 2022-12-09 | Explosion-proof lithium battery of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873641U (en) |
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2022
- 2022-12-09 CN CN202223296935.8U patent/CN219873641U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |