CN109193053A - A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet - Google Patents
A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet Download PDFInfo
- Publication number
- CN109193053A CN109193053A CN201811163086.4A CN201811163086A CN109193053A CN 109193053 A CN109193053 A CN 109193053A CN 201811163086 A CN201811163086 A CN 201811163086A CN 109193053 A CN109193053 A CN 109193053A
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- cavity
- battery
- baffle
- iron plate
- box body
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052742 iron Inorganic materials 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000001939 inductive effect Effects 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 abstract description 2
- 230000007717 exclusion Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 208000002925 dental caries Diseases 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007123 defense Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to electric automobile power battery safety protection fields, and in particular to a kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet.The guard system includes box body, upper cover and temperature sensor；Box body is the cube structure of upper end opening, and upper cover is fixedly mounted on the upper end of box body, and upper lid is equipped with multiple battery wire holes；Temperature sensor is mounted on the side of box body, and temperature sensor is connected by built-in inductive switch with the input terminal of four groups of electromagnetism iron plates in every block baffle.When fire behavior occurring or local temperature increases extremely, temperature sensor passes through the electronic bolt mechanism operation of built-in sensitive switch control, bolt is shunk, elastic force effect lower slider closure of the corresponding slide plate in the first spring, air exclusion, fire smothering are carried out to the intracorporal battery of box, while preventing battery electrolyte outflow from generating injury to circuit components and car body.The configuration of the present invention is simple, suitable for the electric car of different model and the battery of different model.
Description
Technical field
The invention belongs to electric automobile power battery safety protection fields, and in particular to a kind of based on novel battery cabinet
Vehicular dynamic battery fire behavior Initiative Defence System.
Background technique
With environmental degradation and energy shortage, countries in the world are all in the research and development and layout for accelerating new-energy automobile, wherein pure
Electric car is a kind of preferable new-energy automobile of current development.The market of pure electric automobile is increasing at present, meanwhile, make
Fire incident caused by power battery is on fire also gradually increases, and causes heavy losses to the lives and properties of people.By
Have the characteristics that after power battery is on fire thermal runaway, it is difficult extinguish and destructive big, the high temperature of effective monitoring power battery and
The control of fire after fire is always automobile vendor and scientific research personnel's focus of attention.A kind of Vehicular dynamic battery fire behavior is needed to protect
System improves the fire protecting performance of power battery.
Existing Vehicular dynamic battery fire prevention system technology is mostly passive security field, i.e. power battery box fire-retardant fireproof is set
Meter or emergency extinguishing device design.Wherein power battery box fire-retardant fireproof original design intention is to prevent propagation of flame to driver's cabin, is adopted
The measure that one layer of fire proofing is attached used in Battery case inner wall, delays battery pack to burn to case external diffusion.For power battery
It meets an urgent need the design of extinguishing device, general using installing automatic fire extinguisher in battery case or battery flat, when installation sprays extinguishing chemical
Mouth alignment power battery box, when power battery, which catches fire, generates high temperature, fire extinguisher starts ejection high-pressure extinction agent automatically to be completed to go out
Fire.
The existing fire behavior safeguard procedures for Vehicular dynamic battery are mostly to increase additional device on the outside of Battery case
Come achieve the purpose that control fire behavior, this method does not only take up interior space, and increases battery instead from some aspects
Degree of danger, the effect for controlling fire behavior are poor.
Summary of the invention
The purpose of the present invention is to provide a kind of Vehicular dynamic battery fire behavior active defense system based on novel battery cabinet
System, by the temperature sensor on each side of Battery case to battery case internal environment carry out temperature monitoring, when occur fire behavior or
When local temperature increases extremely, by the electronic bolt mechanism operation of built-in sensitive switch control, bolt is shunk temperature sensor, right
The slide plate on the inside of cabinet baffle should be located in the elastic force effect lower slider closure of the first spring, carry out effective isolating and protecting, with
Solve the problems in above-mentioned background technique.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet, including box body 1,2 and of upper cover
Temperature sensor 13；The box body 1 is the cube structure of upper end opening, and the upper cover 2 is fixedly mounted on the upper of box body 1
End, upper cover 2 are equipped with multiple battery wire holes 201；The temperature sensor 13 is mounted on the side of box body 1；
The box body 1, is mainly made of bracket 3 and baffle 4；The bracket 3 is frame structure, and multiple baffles 4 divide
It is not mounted on the bottom surface and side of bracket 3；The baffle 4, mainly by slide plate 5, the first spring 6 and electronic bolt mechanism 7
Composition；The baffle 4, internal is hollow structure, and referred to as the first cavity 402, baffle 4 is equipped with multiple through-holes 401, through-hole
401 are located between two pieces of slide plates 5, and through-hole 401 is for radiating；Two pieces of slide plates 5 are symmetrically arranged in first cavity 402, it is sliding
The inner surface elastic connection that plate 5 passes through multiple first springs 6 and one group of symmetrical side wall of baffle 4；The baffle 4 it is another
The internal symmetry of the symmetrical side wall of group is set there are four the second cavity 403, and the second cavity 403 is located at the two sides of the first cavity 402, the
It is connected between two cavitys 403 and the first cavity 402 by a through-hole, the second cavity 403 is for installing electronic bolt machine
Structure 7 limits slide plate 5 by electronic bolt mechanism 7；The electronic bolt mechanism 7 is located in the second cavity 403, main
It to be made of electromagnetism iron plate 8, iron plate 11 and bolt 12；The electromagnetism iron plate 8 is fixedly mounted on the gear in 403 outside of the second cavity
In plate 4, the iron plate 11 is movably arranged in the second cavity 403, and the both ends of the electromagnetism iron plate 8 and iron plate 11 are fixed
Connecting plate 9 is installed, electromagnetism iron plate 8 is connected respectively by a second spring 10 with the connecting plate 9 at the both ends of iron plate 11, is made
Electromagnetism iron plate 8 is connected and is arranged in parallel with iron plate 11；The bolt 12 be located at the second cavity 403 and the first cavity 402 it
Between through-hole in, one end of bolt 12 is fixed on iron plate 11, and the other end protrudes into the first cavity 402, is limited slide plate 5
Position；
The temperature sensor 13 is mounted on the outside of baffle 4, temperature sensor 13 by built-in inductive switch with
The input terminal of four groups of electromagnetism iron plates 8 in every block baffle 4 is connected.
In the present invention, by temperature sensor 13 to Battery case internal environment carry out temperature monitoring, when occur fire behavior or
When local temperature increases extremely, temperature sensor 13 is run by the electronic bolt mechanism 7 of built-in sensitive switch control, and bolt 12 is received
Contracting, corresponding slide plate 5 carry out air exclusion to the battery in box body 1, stop up in the elastic force effect lower slider closure of the first spring 6
Breath fire extinguishing, while preventing battery electrolyte outflow from generating injury to circuit components and car body.
Beneficial effects of the present invention:
1, upper cover of the invention and box body constitute Battery case, are fixed and protect to battery, are convenient for battery
Charge and discharge operations；
2, upper cover of the invention plays the role of partition, keeps battery and the other components of vehicle completely isolated, will not mutual shadow
It rings；Box portion is provided with through-hole on each baffle, plays good heat spreading function to the intracorporal battery of battery case；
3, the present invention is monitored each spot temperature of battery by the temperature sensor on the outside of each baffle, works as vehicle fire
Or local location temperature anomaly it is excessively high when, corresponding temperature sensor controls corresponding electromagnetism iron plate by inductive switch and is powered,
Recycle bolt, slide plate closure plays the role of isolating and protecting to battery；
4, the configuration of the present invention is simple, suitable for the electric car of different model and the battery of different model.
Figure of description
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is front sectional view of the invention；
Fig. 3 is the schematic cross-sectional view of baffle of the invention；
Fig. 4 is the portion A enlarged structure schematic diagram of the invention；
Fig. 5 is the main view of baffle of the invention.
In figure: 1 box body；2 upper covers；3 brackets；4 baffles；5 slide plates；6 first springs；7 electronic bolt mechanisms；
8 electromagnetism iron plates；9 connecting plates；10 second springs；11 iron plates；12 bolts；13 temperature sensors；
201 battery wire holes；401 through-holes；402 first cavitys；403 second cavitys.
Specific embodiment
Below in conjunction with attached drawing and technical solution, a specific embodiment of the invention is further illustrated.
A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet, including box body 1,2 and of upper cover
Temperature sensor 13.The upper cover 2 is equipped with battery wire hole 201, and the upper end of the box body 1 is Open architecture, it is described on
Lid 2 is fixedly mounted on the upper end of the box body 1；The box body 1 includes bracket 3 and several block baffles 4, and the baffle 4 is pacified respectively
Mounted in the side and bottom of the bracket 3；The baffle 4 is internally provided with the first cavity 402, first cavity 402
Interior symmetrical sliding sleeve is connected to two pieces of slide plates 5, and it is symmetrical to pass through several respectively for the farthest one end of distance between slide plate 5 described in two pieces
The inner wall both ends elastic connection for the first spring 6 and the baffle 4 being arranged；Another group of symmetrical side wall of every piece of baffle 4
On be symmetrically arranged with electronic bolt mechanism 7, the two sides of the first cavity 402 of the baffle 4 are symmetrical arranged that there are four the second cavitys
403, electronic bolt mechanism 7 is located in the second cavity 403, and the electronic bolt mechanism 7 includes electromagnetism iron plate 8, iron plate 11 and inserts
Pin 12, the both ends of the electromagnetism iron plate 8 and the both ends of iron plate 11 are fixedly connected to connecting plate 9, the company on the electromagnetism iron plate 8
Connecting plate 9 on fishplate bar 9 and the iron plate 11 passes through 10 elastic connection of second spring, the other end symmetrical centre of the iron plate 11
It is fixedly connected with one end of the bolt 12, the other end side of the bolt 12 and one end fitting of slide plate 5, the electromagnet
Piece 8 is parallel with iron plate 11 to positive setting, and the iron plate 11 is actively socketed in second cavity 403,12 activity of bolt
In the baffle 4 being socketed between the first cavity 402 and the second cavity 403；The baffle of first cavity, 402 two sides
4 side wall is symmetrically arranged with the through-hole 401, and the through-hole 401 is arranged between two pieces of slide plates 5；The outside of the baffle 4
It is provided with temperature sensor 13, the temperature sensor 13 on every piece of baffle 4 passes through built-in inductive switch and every piece
The input terminal of four groups of electromagnetism iron plates 8 on the baffle 4 is connected.
The guard system includes box body 1 and upper cover 2 as shown in Figure 1:.Wherein box body 1 includes protection screen 3 and baffle 4, box
The shape of body 1 is cuboid, and baffle 4 is part hollow structure, and inside is equipped with battery fire behavior active defense trigger mechanism, i.e. slide plate
5, the first spring 6 and electronic bolt mechanism 7.Upper cover 2 is the isolation board of battery portion and the other components of vehicle, using solid steel plate
Structure improves its protective performance, is provided with through-hole 401 among the baffle 4 in each face of box body 1, facilitates inside Battery case
Air circulation, enhancing battery heat dissipation.
As shown in Figures 2 and 3: vehicle is in normal use process, and the slide plate 5 in each baffle 4 is in the open state, not shadow
Ring the permeability of through-hole 401 on each baffle 4, it is ensured that battery heat dissipation is normal；As shown in Figure 4: vehicle is inserted in normal use process
Pin 12 is in stretching state, and bolt 12 plays the role of slide plate 5 to keep off limit, forbids the sliding closure of slide plate 5.
It is as shown in Figure 5: temperature sensor 13 to be provided on each 4 outer wall of baffle on box body 1, to outside batteries each position temperature
Degree carries out real-time monitoring, and is controlled by built-in inductive switch corresponding electronic bolt mechanism 7.
The working principle of the invention is: in vehicle normal use process, each slide plate 5 is in the open state, each electric inserting
The bolt 12 of pin mechanism 7 plays the role of corresponding slide plate 5 to keep off limit, forbids the sliding closure of slide plate 5；Work as vehicle fire, or part
When abnormal high temperature, the temperature sensor 13 of corresponding side receives temperature change signal, and when temperature is more than preset value, passes through sense
Inductive switch connects the power supply of corresponding electronic bolt mechanism 7, and electromagnetism iron plate 8 generates magnetic attraction after being powered, by corresponding iron plate 11
Absorption shrinks bolt 12, limits without the gear of bolt 12, and slide plate 5, will in the elastic force effect lower slider closure of the first spring 6
Through-hole 401 blocks on the baffle 4, guarantees the side Battery case sealing structure, plays well to the intracorporal battery of battery case
Insulation blocking.
Claims (1)
1. a kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet, which is characterized in that described is anti-
Protecting system includes box body (1), upper cover (2) and temperature sensor (13)；The box body (1) is the cube structure of upper end opening,
The upper cover (2) is fixedly mounted on the upper end of box body (1), and upper cover (2) is equipped with multiple battery wire holes 201；The temperature
Degree sensor (13) is mounted on the side of box body (1)；
The box body (1), is mainly made of bracket (3) and baffle (4)；The bracket (3) is frame structure, multiple baffles
(4) it is separately mounted on the bottom surface and side of bracket (3)；The baffle (4), mainly by slide plate (5), the first spring (6) and
Electronic bolt mechanism (7) composition；The baffle (4), internal is hollow structure, referred to as the first cavity (402), baffle (4)
It is equipped with multiple through-holes (401), through-hole (401) is located between two pieces of slide plates (5), and through-hole (401) is for radiating；Described first
It is symmetrically arranged with two pieces of slide plates (5) in cavity (402), slide plate (5) is symmetrical by one group of multiple first springs (6) and baffle (4)
Side wall inner surface elastic connection；The internal symmetry of another group of symmetrical side wall of the baffle (4) is set there are four second
Cavity (403), the second cavity (403) are located at the two sides of the first cavity (402), the second cavity (403) and the first cavity (402) it
Between be connected to by a through-hole, the second cavity (403) passes through electronic bolt mechanism for installing electronic bolt mechanism (7)
(7) slide plate (5) is limited；The electronic bolt mechanism (7) is located in the second cavity (403), mainly by electromagnetism iron plate
(8), iron plate (11) and bolt (12) composition；The electromagnetism iron plate (8) is fixedly mounted on the baffle on the outside of the second cavity (403)
(4) in, the iron plate (11) is movably arranged in the second cavity (403), and the two of the electromagnetism iron plate (8) and iron plate (11)
End is fixedly installed with connecting plate (9), and the connecting plate (9) at the both ends of electromagnetism iron plate (8) and iron plate (11) passes through one the respectively
Two springs 10 are connected, and electromagnetism iron plate (8) is made to be connected and be arranged in parallel with iron plate (11)；The bolt (12) is located at second
In through-hole between cavity (403) and the first cavity (402), one end of bolt (12) is fixed on iron plate (11), and the other end is stretched
Enter in the first cavity (402), slide plate (5) is limited；
The temperature sensor (13) is mounted on the outside of baffle (4), and temperature sensor (13) passes through built-in inductive switch
It connects with the input terminal of four groups of electromagnetism iron plates (8) on every block baffle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163086.4A CN109193053A (en) | 2018-09-30 | 2018-09-30 | A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163086.4A CN109193053A (en) | 2018-09-30 | 2018-09-30 | A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109193053A true CN109193053A (en) | 2019-01-11 |
Family
ID=64947014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811163086.4A Pending CN109193053A (en) | 2018-09-30 | 2018-09-30 | A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109193053A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921114A (en) * | 2019-03-20 | 2019-06-21 | 深圳鸿鹏新能源科技有限公司 | The means of defence and device of vehicle and its battery pack |
| CN110854352A (en) * | 2019-11-27 | 2020-02-28 | 衡阳市鑫晟新能源有限公司 | Lithium battery high-temperature protection structure and lithium battery |
| CN111481858A (en) * | 2020-04-20 | 2020-08-04 | 汪慧 | New energy automobile lithium battery box extinguishing device |
| CN111864303A (en) * | 2020-07-29 | 2020-10-30 | 三门峡速达交通节能科技股份有限公司 | Power battery temperature regulating device and electric automobile comprising same |
| CN112162207A (en) * | 2020-09-24 | 2021-01-01 | 浙江硕维轨道交通装备有限公司 | Train battery on-line monitoring system |
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| CN208781983U (en) * | 2018-09-30 | 2019-04-23 | 吉林大学 | A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet |
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| JP2004270401A (en) * | 2003-03-12 | 2004-09-30 | Best:Kk | Automatic sliding door closing device for disaster prevention |
| US20110308825A1 (en) * | 2007-07-11 | 2011-12-22 | Acxing Industrial Co., Ltd. | Automatic fire extinguishing equipment of a fume hood |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921114A (en) * | 2019-03-20 | 2019-06-21 | 深圳鸿鹏新能源科技有限公司 | The means of defence and device of vehicle and its battery pack |
| CN110854352A (en) * | 2019-11-27 | 2020-02-28 | 衡阳市鑫晟新能源有限公司 | Lithium battery high-temperature protection structure and lithium battery |
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| CN111481858A (en) * | 2020-04-20 | 2020-08-04 | 汪慧 | New energy automobile lithium battery box extinguishing device |
| CN111864303A (en) * | 2020-07-29 | 2020-10-30 | 三门峡速达交通节能科技股份有限公司 | Power battery temperature regulating device and electric automobile comprising same |
| CN112162207A (en) * | 2020-09-24 | 2021-01-01 | 浙江硕维轨道交通装备有限公司 | Train battery on-line monitoring system |
| CN112162207B (en) * | 2020-09-24 | 2021-09-07 | 浙江硕维轨道交通装备有限公司 | Train battery on-line monitoring system |
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