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 PDF

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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
Authority
CN
China
Prior art keywords
cavity
battery
baffle
iron plate
box body
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.)
Pending
Application number
CN201811163086.4A
Other languages
Chinese (zh)
Inventor
于锋
陈坤
刘艺
叶可
王雪琪
兰洪星
刘宇飞
于佳鑫
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Jilin University
Original Assignee
Jilin University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201811163086.4A priority Critical patent/CN109193053A/en
Publication of CN109193053A publication Critical patent/CN109193053A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; 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
    • H01M50/24Mountings; 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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

A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet
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).
CN201811163086.4A 2018-09-30 2018-09-30 A kind of Vehicular dynamic battery fire behavior Initiative Defence System based on novel battery cabinet Pending CN109193053A (en)

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

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Cited By (4)

* Cited by examiner, † Cited by third party
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
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

Cited By (6)

* Cited by examiner, † Cited by third party
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
CN110854352B (en) * 2019-11-27 2022-02-08 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
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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