CN115154957A - A quick extinguishing device for electric automobile - Google Patents
A quick extinguishing device for electric automobile Download PDFInfo
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- CN115154957A CN115154957A CN202210954561.XA CN202210954561A CN115154957A CN 115154957 A CN115154957 A CN 115154957A CN 202210954561 A CN202210954561 A CN 202210954561A CN 115154957 A CN115154957 A CN 115154957A
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- fire extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a quick fire extinguishing device for an electric automobile, which relates to the field of fire fighting and comprises: a vehicle body; the chassis assembly is fixed inside the vehicle body; the first groove body is arranged in the middle of the vehicle body and is positioned between the chassis assemblies; the central pipe is fixed on the vehicle body and is positioned in the center of the groove body; the battery component is sleeved on the central pipe and fixed in the first groove body; the water tank is fixed in the vehicle body, stores distilled water inside and is fixedly communicated with the pump body; the cooling assemblies are arranged in four groups, integrally fixed in the battery assembly and fixedly communicated with the pump body; and the fire extinguishing assemblies are arranged into four groups, are integrally fixed in the battery assembly, are perpendicular to the cooling assembly in arrangement direction and are fixedly communicated with the pump body.
Description
Technical Field
The invention relates to the field of fire fighting, in particular to a quick fire extinguishing device for an electric automobile.
Background
Under the policy of energy conservation and environmental protection, a new energy automobile has a good development prospect as a representative of the energy conservation and environmental protection automobile, and a lithium ion battery is a new energy electric automobile, is the same as a fuel automobile in practical application, and needs to consider how to extinguish a fire when a fire happens.
However, when a fire occurs as an energy source in a lithium ion battery, the specific situation is different from that of a traditional fuel oil automobile, the lithium ion battery has unique combustion characteristics, the combustion is fiercely and thermally spread rapidly, smoke dust and gas generated during fierce combustion are extremely dangerous, meanwhile, when the lithium ion battery is thermally out of control, fierce chain decomposition reaction is performed in the lithium ion battery, generally, fire extinguishing agents can extinguish open fire but have limited cooling effect, only surface flame can be extinguished, temperature of the battery cannot be lowered to inhibit temperature rise of the battery, chain decomposition reaction in the lithium ion battery is interrupted, the out-of-control battery is easy to generate thermal radiation and thermal conduction to adjacent out-of-control batteries, large-scale thermal out-of-control conditions are caused, or after fire extinguishing, a re-combustion phenomenon is generated.
Therefore, it is necessary to provide a quick fire extinguishing apparatus for an electric vehicle to solve the above problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a quick fire extinguisher for an electric vehicle comprising:
a vehicle body;
the chassis assembly is fixed inside the vehicle body;
the first tank body is arranged in the middle of the vehicle body and is positioned between the chassis assemblies;
the central pipe is fixed on the vehicle body and is positioned in the center of the groove body;
the battery component is sleeved on the central pipe and is fixed in the first groove body;
the water tank is fixed in the vehicle body, stores distilled water inside and is fixedly communicated with the pump body;
the cooling assemblies are arranged in four groups, integrally fixed in the battery assembly and communicated with the pump body; and
the fire extinguishing assemblies are arranged into four groups and integrally fixed inside the battery assembly, and the arrangement direction of the fire extinguishing assemblies is perpendicular to the cooling assemblies and communicated with the pump body.
Further, preferably, the battery module includes:
the shell is fixed inside the first groove body;
the center of the flame-retardant partition is sleeved outside the central pipe, and the end part of the flame-retardant partition is fixed on the inner wall of the shell;
the wiring ports are arranged in four groups and are fixed on the flame-retardant partition close to the central pipe; and
the batteries are arranged into four groups and fixed on the inner wall of the shell through a fixed seat, and one end interface is connected with the wiring port.
Further, as preferred, the whole flame retardant partition is in a cross shape, the shell is divided into four parts, and the parts in contact with the shell are sealed and fixed.
Further, preferably, a second groove body is arranged between the battery and the shell, the shell is provided with a plurality of drainage ports communicated with the second groove body and the first groove body, and a plurality of battery elements are arranged in the battery at intervals.
Further, preferably, the flame-retardant partition includes:
the two heat conducting plates are symmetrically fixed on the shell;
the barrier sheets are arranged in a plurality and fixed in the heat conducting plate in a staggered manner;
the support plate is fixed at the end part of the heat conducting plate; and
and the two gaskets are arranged and symmetrically fixed on the outer surface of the heat conducting plate.
Preferably, the heat conducting plate is made of a metal material, the opposite side and the surface of the barrier sheet are mirror-finished, and the spacer is made of a heat insulating material.
Further, preferably, the cooling unit includes:
the coiled pipe is communicated with the pump body and is fixed inside the battery pack;
the interfaces are arranged in a plurality and are arranged in the serpentine tube; and
and the burst pipes are arranged in a plurality of numbers, the end parts of the burst pipes are fixed on the connector, and a plurality of branch pipes are obliquely fixed on the surface of the burst pipes.
Further, preferably, the fire extinguishing module includes:
the fire extinguishing pipe is fixed inside the battery pack;
the two shunt tubes are arranged in parallel and vertically communicated and fixed on the fire extinguishing tube; and
and the spray heads are arranged in a plurality of numbers, are communicated and fixed on the shunt pipes, and are symmetrical on the two shunt pipes.
Further, preferably, the spray head is arranged obliquely, and an atomizer is arranged at the port.
Compared with the prior art, the invention provides a quick fire extinguishing device for an electric automobile, which has the following beneficial effects:
1. the gasket is made of a heat insulating material, can contact distilled water after absorbing heat in the cooling process, and can transfer part of heat to the gasket in a heat convection mode;
2. according to the invention, the burst pipes are distributed among the battery elements, when a fire disaster occurs due to the out-of-control battery, the battery elements corresponding to the serious out-of-control battery elements can generate violent reaction, and meanwhile, the serious deformation extrusion branch pipes are attached, so that the joints of the branch pipes and the burst pipes are broken, distilled water is sprayed out from the broken parts, the out-of-control battery elements are accurately cooled, heat generated by chain reaction in the battery elements is absorbed in time, the integral temperature rise of the battery is inhibited, and the out-of-control battery is prevented from being re-combusted again after open fire is extinguished;
3. according to the invention, the water mist is sprayed out through the spray head, the open fire on the battery can be extinguished in time, toxic smoke is often an important factor for damaging to the to-be-rescued people without sufficient protection equipment in a disaster site, the water mist can simultaneously adsorb the toxic smoke generated by settlement combustion, the safety of the to-be-rescued people is guaranteed, the burst pipe is not damaged under the condition that the battery is slightly out of control and does not generate serious deformation, the battery out of control can be initially cooled through the water mist, and the battery element out of control can be cooled while the open fire is extinguished under the condition that other structures are intact, and the chain reaction is interrupted.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a quick fire extinguishing apparatus for an electric vehicle;
FIG. 2 is a schematic diagram of a battery pack of a quick fire extinguisher for an electric vehicle;
FIG. 3 is a schematic view of a fire retardant partition structure of a rapid fire extinguishing apparatus for an electric vehicle;
FIG. 4 is a schematic view of a cooling assembly of a quick fire extinguisher for an electric vehicle;
FIG. 5 is a schematic view of a fire extinguishing assembly of the quick fire extinguishing apparatus for an electric vehicle;
in the figure: 1. a vehicle body; 2. a chassis assembly; 3. a first tank body; 4. a battery assembly; 41. a housing; 42. flame retardant partition; 421. a heat conducting plate; 422. a barrier sheet; 423. a support plate; 424. a gasket; 43. a wiring port; 44. a battery; 45. a second tank body; 46. a fixed seat; 47. a bleed port; 5. a central tube; 6. a cooling assembly; 61. a serpentine tube; 62. an interface; 63. bursting a pipe; 64. a branch pipe; 7. a fire extinguishing assembly; 71. fire extinguishing pipes; 72. a shunt tube; 73. a spray head; 8 pump body; 9. a water tank.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, a quick fire extinguishing apparatus for an electric vehicle includes:
a vehicle body 1;
the chassis assembly 2 is fixed inside the vehicle body 1;
the first groove body 3 is formed in the middle of the vehicle body 1 and is located between the chassis assemblies 2;
the central pipe 5 is fixed on the vehicle body 1 and is positioned in the center of the first groove body 3;
the battery component 4 is sleeved on the central pipe 5 and fixed inside the first groove body 3;
the water tank 9 is fixed in the vehicle body 1, stores distilled water inside and is fixedly communicated with the pump body 8;
and the fire extinguishing assemblies 7 are arranged in four groups, are integrally fixed in the battery assembly 4, are perpendicular to the cooling assembly 6 in the arrangement direction, and are communicated with the pump body 8.
It should be explained that, cooling module 6 and fire extinguishing module 7 all communicate with the pump body 8, the distilled water in water tank 9 is carried to the pump body 8, under the condition that battery pack 4 out of control does not appear, only for cooling module 6 to pump body 8, for battery pack 4 heat dissipation, in the condition that battery pack 4 out of control catches fire, pump body 8 simultaneously carries distilled water for cooling module 6 and fire extinguishing module 7, put out a fire and cool down through distilled water, consider battery pack 4 electrically conductive characteristic and the good cooling effect and the fire extinguishing performance of water, distilled water can satisfy conventional heat dissipation, open fire extinguishes and cools off simultaneously for the medium.
In this embodiment, as shown in fig. 2, the battery assembly 4 includes:
the shell 41 is fixed inside the first groove body 3;
the center of the flame-retardant partition 42 is sleeved outside the central tube 5, and the end part of the flame-retardant partition is fixed on the inner wall of the shell 41; the wire connection ports 43 are arranged in four groups and are fixed on the flame-retardant partition 42 close to the central pipe; and
the batteries 44 are arranged in four groups, fixed on the inner wall of the shell 41 through a fixing seat 46, and one end interface is connected with the wiring port 43.
In a preferred embodiment, the flame retardant partition 42 is cross-shaped, and divides the housing 41 into four parts, and the parts contacting with the housing 41 are sealed and fixed.
It should be explained that the flame-retardant partition 42 equally divides the housing 41 into four parts, and meanwhile, the batteries 44 are distributed in the housing 41 and are partitioned by the flame-retardant partition 42, so that when a single group of batteries 44 is out of control and catches fire, the flame-retardant partition 42 can effectively block the out of control batteries 44 from transferring heat through heat conduction, and the large-scale thermal runaway phenomenon is avoided.
In a preferred embodiment, a second groove 45 is formed between the battery 44 and the housing 41, the housing 41 is provided with a plurality of drainage ports 47 to communicate the second groove 45 with the first groove 3, and a plurality of battery elements are arranged at intervals inside the battery 44.
It should be explained that, under the condition that thermal runaway occurs in the battery 44, a violent chain decomposition reaction is performed inside the battery to release a large amount of heat, the battery 44 transfers heat through thermal radiation and thermal conduction, which is easy to cause a large-scale thermal runaway phenomenon, the fire extinguishing assembly 7 or the cooling assembly 6 uses distilled water as a medium, the distilled water falls into the second tank body 45 to absorb heat in the working process, but the thermal conductivity coefficient of water is 20 times greater than that of air, so that the heat transfer can be effectively reduced by timely discharging high-temperature distilled water through the drainage port 47.
In this embodiment, as shown in fig. 3, the flame retardant partition 42 includes:
two heat conducting plates 421 symmetrically fixed on the housing 41;
a plurality of barrier sheets 422, which are fixed inside the heat-conducting plate 421 in a staggered manner;
a support plate 423 fixed to an end of the heat conductive plate 421; and
and two spacers 424 symmetrically fixed on the outer surface of the heat conductive plate 421.
In a preferred embodiment, the heat conducting plate 421 is made of a metal material, the opposite side and the surface of the barrier sheet 422 are mirror-finished, and the spacer 424 and the barrier sheet 422 are both made of a heat insulating material.
It should be explained that, gasket 424 is thermal insulation material, in cooling process, can contact with the distilled water after absorbing the heat, mode partial heat transmission to gasket 424 through the thermal convection, gasket 424 transmits partial heat to heat-conducting plate 421, heat-conducting plate 421 has good heat conductivility, but local heat dispersion heat is whole under the condition of being heated fast, follow-up thermal conduction is slowed down through the relatively poor separation piece 422 of thermal conductivity, the mirror surface treatment is carried out on the relative one side of heat-conducting plate 421 and separation piece 422 surface simultaneously, can effectively reduce heat radiation heat transfer heat.
In this embodiment, as shown in fig. 4, the cooling module 6 includes:
a serpentine tube 61 communicating with the pump body 8 and fixed inside the battery assembly 4;
a plurality of ports 62 provided inside the serpentine tube 61; and
and a plurality of bursting tubes 63 arranged, the end parts of which are fixed on the interface 62, and a plurality of branch tubes 64 which are obliquely fixed on the surface.
It should be explained that the burst pipe 63 is distributed among the battery elements, when the battery 44 is out of control and a fire breaks out, the battery elements corresponding to serious out of control can have violent reaction, and meanwhile, the branch pipe 64 is extruded by serious deformation, so that the joint of the branch pipe 64 and the burst pipe 63 is broken, distilled water is sprayed out from the broken part, the battery elements out of control are cooled accurately, heat generated by chain reaction inside the battery elements is absorbed in time, the integral temperature rise of the battery 44 is restrained, and the battery 44 out of control is prevented from re-burning again after open fire is extinguished.
In this embodiment, as shown in fig. 5, the fire extinguishing unit 7 includes:
a fire extinguishing pipe 71 fixed inside the battery assembly 4;
the shunt tubes 72 are arranged in parallel and vertically communicated and fixed on the fire extinguishing tube 71; and
and a plurality of spray heads 73 are arranged, are communicated and fixed on the shunt pipes 72, and the spray heads 73 on the two shunt pipes 72 are symmetrical.
In the preferred embodiment, the spray head 73 is inclined and has an atomizer at its port.
It should be explained that, through shower nozzle 73 blowout water smoke, can in time extinguish the open fire on the battery 44, to being in the on-the-spot abundant protective equipment's of calamity personnel of treating that do not have, poisonous smog often shines the important factor that becomes the injury, can adsorb the poisonous smog that subsides the burning production simultaneously through water smoke, the guarantee is treated the safety of personnel of rescuing, under the slight out of control of battery 44 does not produce the condition of serious deformation, burst pipe 64 does not receive the destruction, accessible water smoke carries out preliminary cooling to out of control battery 44, guarantee under the intact condition of other structures, extinguish open fire and cool down to out of control battery element simultaneously, interrupt chain reaction.
When specifically implementing, the distilled water in the pump body 8 delivery water tank 9 gets into cooling module 6 under the normal condition, give battery pack 4 normal heat dissipation, pump body 8 gives fire extinguishing assembly 7 delivery distilled water when battery pack 4 appears the thermal runaway, extinguish naked light through shower nozzle 73, adsorb the poisonous smog that the burning produced, simultaneously carry out preliminary cooling to battery 44 and avoid the after combustion, comparatively serious thermal runaway phenomenon appears when battery pack 4, the battery component that corresponds in the battery 44 and takes place violent chain decomposition reaction can accompany serious deformation extrusion branch pipe, make branch pipe and burst union coupling fracture, distilled water is spout from fracture, carry out accurate cooling to out battery component out of control, restrain battery 44 temperature and rise, slow down or interrupt the inside chain decomposition reaction of battery.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a quick extinguishing device for electric automobile which characterized in that: the method comprises the following steps:
a vehicle body (1);
the chassis assembly (2) is fixed inside the vehicle body (1);
the first groove body (3) is formed in the middle of the vehicle body (1) and is positioned between the chassis assemblies (2);
the central pipe (5) is fixed on the vehicle body (1) and is positioned in the center of the first groove body (3);
the battery component (4) is sleeved on the central pipe (5) and fixed inside the first groove body (3);
the water tank (9) is fixed in the vehicle body (1), stores distilled water inside and is fixedly communicated with the pump body (8);
the cooling assemblies (6) are arranged in four groups, are integrally fixed in the battery assembly (4), and are communicated with the pump body (8); and
the fire extinguishing assemblies (7) are arranged into four groups, are integrally fixed inside the battery assembly (4), are perpendicular to the cooling assembly (6) in arrangement direction and are communicated with the pump body (8).
2. The quick fire extinguishing apparatus for electric vehicle according to claim 1, wherein: the battery assembly (4) includes:
the shell (41) is fixed inside the first groove body (3);
the center of the flame-retardant partition (42) is sleeved outside the central pipe (5), and the end part of the flame-retardant partition is fixed on the inner wall of the shell (41);
the wiring ports (43) are arranged in four groups and are fixed on the flame-retardant partition (42) close to the central pipe; and
the batteries (44) are arranged in four groups and fixed on the inner wall of the shell (41) through a fixing seat (46), and one end interface is connected with the wiring port (43).
3. The quick fire extinguishing apparatus for electric vehicle according to claim 2, characterized in that: the flame-retardant partition (42) is integrally cross-shaped, the shell (41) is divided into four parts, and the parts in contact with the shell (41) are sealed and fixed.
4. The quick fire extinguishing apparatus for electric vehicle according to claim 3, wherein: be cell body two (45) between battery (44) and casing (41), a plurality of bleeder ports (47) intercommunication have been seted up in casing (41) cell body two (45) and cell body one (3), just a plurality of battery components have been arranged to battery (44) inside interval.
5. The quick fire extinguishing apparatus for electric vehicle according to claim 4, wherein: the flame retardant partition (42) comprises:
two heat conduction plates (421) symmetrically fixed on the shell (41);
the barrier sheets (422) are arranged in a plurality and fixed inside the heat-conducting plate (421) in a staggered manner;
a support plate (423) fixed to an end of the heat conductive plate (421); and
and the two gaskets (424) are arranged and symmetrically fixed on the outer surface of the heat-conducting plate (421).
6. The quick fire extinguishing apparatus for electric vehicle according to claim 5, wherein: the heat conducting plate (421) is made of metal material, the opposite side and the surface of the barrier sheet (422) are subjected to mirror surface treatment, and the gasket (424) is made of heat insulating material.
7. The quick fire extinguishing apparatus for electric vehicle according to claim 1, wherein: the cooling assembly (6) comprises:
a serpentine tube (61) communicating with the pump body (8) and fixed inside the battery assembly (4);
a plurality of connectors (62) arranged to open inside the serpentine tube (61); and
and a plurality of bursting tubes (63) which are arranged, the end parts of which are fixed on the interface (62), and a plurality of branch tubes (64) which are obliquely fixed on the surface.
8. The quick fire extinguishing apparatus for electric vehicle according to claim 1, wherein: the fire extinguishing assembly (7) comprises:
a fire extinguishing pipe (71) fixed inside the battery assembly (4);
the shunt tubes (72) are arranged in parallel and vertically communicated and fixed on the fire extinguishing tube (71); and
and a plurality of spray heads (73) are arranged, are communicated and fixed on the shunt pipes (72), and the spray heads (73) on the two shunt pipes (72) are symmetrical.
9. The quick fire extinguishing apparatus for electric vehicle according to claim 8, wherein: the spray head (72) is obliquely arranged, and an atomizer is arranged at a port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210954561.XA CN115154957B (en) | 2022-08-10 | 2022-08-10 | A quick extinguishing device for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210954561.XA CN115154957B (en) | 2022-08-10 | 2022-08-10 | A quick extinguishing device for electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN115154957A true CN115154957A (en) | 2022-10-11 |
| CN115154957B CN115154957B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210954561.XA Active CN115154957B (en) | 2022-08-10 | 2022-08-10 | A quick extinguishing device for electric automobile |
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| Country | Link |
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| CN (1) | CN115154957B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108400408A (en) * | 2018-04-24 | 2018-08-14 | 华南理工大学 | It is a kind of that there is fire-retardant Vehicular dynamic battery multichannel liquid cooling apparatus |
| CN109568833A (en) * | 2019-01-10 | 2019-04-05 | 华南理工大学 | A kind of anti-re-ignition automatic fire extinguisher of power battery pack and method |
| CN209374629U (en) * | 2019-03-04 | 2019-09-10 | 天津海狸新能源科技有限公司 | A kind of lithium battery heat-conducting pad |
| CN110660945A (en) * | 2019-11-11 | 2020-01-07 | 佛山科学技术学院 | Battery pack for preventing thermal runaway spreading |
| EP3647188A1 (en) * | 2018-11-05 | 2020-05-06 | Safran Landing Systems | Heat shield for a braked aircraft wheel |
| CN112982702A (en) * | 2021-02-01 | 2021-06-18 | 贾童童 | Heat-resistant and fireproof building fire-fighting floor |
| CN114566741A (en) * | 2022-03-04 | 2022-05-31 | 杰锋汽车动力系统股份有限公司 | New energy automobile power battery thermal management structure |
| CN114614161A (en) * | 2022-04-22 | 2022-06-10 | 中车大连机车研究所有限公司 | Battery system based on heat exchange, fire control and thermal safety are integrative |
-
2022
- 2022-08-10 CN CN202210954561.XA patent/CN115154957B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400408A (en) * | 2018-04-24 | 2018-08-14 | 华南理工大学 | It is a kind of that there is fire-retardant Vehicular dynamic battery multichannel liquid cooling apparatus |
| EP3647188A1 (en) * | 2018-11-05 | 2020-05-06 | Safran Landing Systems | Heat shield for a braked aircraft wheel |
| CN109568833A (en) * | 2019-01-10 | 2019-04-05 | 华南理工大学 | A kind of anti-re-ignition automatic fire extinguisher of power battery pack and method |
| CN209374629U (en) * | 2019-03-04 | 2019-09-10 | 天津海狸新能源科技有限公司 | A kind of lithium battery heat-conducting pad |
| CN110660945A (en) * | 2019-11-11 | 2020-01-07 | 佛山科学技术学院 | Battery pack for preventing thermal runaway spreading |
| CN112982702A (en) * | 2021-02-01 | 2021-06-18 | 贾童童 | Heat-resistant and fireproof building fire-fighting floor |
| CN114566741A (en) * | 2022-03-04 | 2022-05-31 | 杰锋汽车动力系统股份有限公司 | New energy automobile power battery thermal management structure |
| CN114614161A (en) * | 2022-04-22 | 2022-06-10 | 中车大连机车研究所有限公司 | Battery system based on heat exchange, fire control and thermal safety are integrative |
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| CN115154957B (en) | 2023-07-11 |
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