CN207474569U - A kind of battery, battery modules and battery case, the vehicle using the battery modules - Google Patents

A kind of battery, battery modules and battery case, the vehicle using the battery modules Download PDF

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Publication number
CN207474569U
CN207474569U CN201721271432.1U CN201721271432U CN207474569U CN 207474569 U CN207474569 U CN 207474569U CN 201721271432 U CN201721271432 U CN 201721271432U CN 207474569 U CN207474569 U CN 207474569U
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China
Prior art keywords
cavity
extinguishing chemical
cover board
battery
blast resistance
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CN201721271432.1U
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Chinese (zh)
Inventor
曹瑞中
尹利超
周时国
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Yutong Bus Co Ltd
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Zhengzhou Yutong Bus Co Ltd
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Priority to CN201721271432.1U priority Critical patent/CN207474569U/en
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    • 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

Abstract

The utility model is related to battery, battery modules and battery case, the vehicles using the battery modules, battery includes battery cover board and the battery case with battery case inner cavity, battery core unit is equipped in battery case inner cavity, battery cover board includes cover board body, cover board body is equipped with positive and negative electrode leading-out terminal, positive and negative electrode leading-out terminal includes leading-out terminal ontology, it is characterised in that：In the leading-out terminal ontology of at least one of positive and negative electrode leading-out terminal there is the terminal extinguishing chemical chamber for storing extinguishing chemical, open to connect the terminal internal blast resistance construction of corresponding terminal extinguishing chemical chamber and battery case inner cavity when the cavity wall of leading-out terminal ontology reaches setting value equipped with the pressure in battery case inner cavity.

Description

A kind of battery, battery modules and battery case, the vehicle using the battery modules
Technical field
The utility model is related to battery, battery modules and battery case, the vehicles using the battery modules.
Background technology
The rapid growth of new-energy automobile market, the occupation rate of market fast lifting of new-energy automobile, to continual mileage It is required that it is increasingly longer, it is significantly promoted this requires the ratio energy of power battery has, when the year two thousand thirty power battery is than energy Promote 300wh/kg.With the promotion of power battery specific energy density, the security requirement of power battery is also promoted therewith：It presses According to country and the relevant criterion of industry, it is desirable that power battery overcharge, cross put, do not occur under the abuse conditions such as high temperature thermal runaway and Thermal runaway extends.But there is no good solutions for current battery technology.Even if this results in the power of high-energy-density Battery can by under the standard of country and industry, but compared to comparatively safe LiFePO4 system battery, high-energy-density it is close The power battery of degree is also without corresponding technical advantage.
According to can consult reference materials, from 2010 to 2015 year during occurred a lot of electric vehicles in the process of running, vehicle touches Hit, occur during natural calamity on fire, explosion, even casualties case, vehicle therein includes passenger car, commercial car Deng.But the safety problem of battery system can not be fundamentally solved for existing battery technology level, it also can not be good Compatible battery high-energy and high security, so needing the safety wind for going to consider management and control battery system from the application aspect of battery Danger ensures the life security of passenger.Security risk management and control during to battery applications become at this stage new-energy automobile industry there is an urgent need for The technical issues of solution.
In the prior art, battery modules generally include multiple serial or parallel connections or series-parallel battery, and battery includes battery Shell, battery case have battery case inner cavity, are equipped with battery core unit in battery case inner cavity, are packaged with cover board sheet in the open-mouth of battery case Body, is convexly equipped with two leading-out terminals on lateral surface of the cover board body backwards to battery core unit, the battery core list in battery case inner cavity The lug of member is corresponding with two leading-out terminals conductive connected, is additionally provided on cover board body and injects electrolyte into battery case inner cavity Liquid injection hole.
At this stage for the monitoring of the fire behavior of battery and battery system and fire-fighting technique, mostly as Authorization Notice No. is Shown in the utility model patent of CN205964755U, the fire extinguishing system of use includes the monitoring to battery fire behavior state parameter, packet It includes the temperature to battery, voltage, gas, salt fog, light etc. to detect, battery fire alarm is then established by relevant algorithm Model theoretically monitors the fire behavior state of simultaneously early warning battery.But under actual conditions, the extinguishing device of battery system is very multiple Miscellaneous, reliability, durability and service life are difficult to be consistent with battery system.The detector of battery key parameter uses the longevity Life is well below battery.And there is a situation where to fail to report in battery system operational process and report by mistake.To temperature, electricity The reliability of the detection mode of pressure, gas, salt fog, light etc. can not be resolved, and it is accurate that really battery fire residence can not be carried out Early warning.In the prior art, the mounting means of battery extinguishing device, fire-fighting mode can influence the sealing protection grade of Battery case, Under extreme weather (storm water) and extreme operating condition, the safety of battery system is seriously affected.And existing battery fire extinguishing Device is difficult in maintenance, and maintenance cost is high, and all uses high-pressure bottle substantially, and maintaining is dangerous.
Utility model content
The purpose of this utility model is to provide a kind of battery, to solve battery fire extinguishing system of the prior art using not The problem of reliable；It also provides a kind of using the battery modules of the battery, battery case and vehicle.
To achieve the above object, the technical solution of the utility model battery is：
The scheme one of battery：A kind of battery, the battery case including battery cover board and with battery case inner cavity, battery case inner cavity In be equipped with battery core unit, battery cover board include cover board body, cover board body be equipped with positive and negative electrode leading-out terminal, positive and negative electrode output Have to store up in the terminal leading-out terminal ontology including at least one of leading-out terminal ontology, positive and negative electrode leading-out terminal The terminal extinguishing chemical chamber of extinguishing chemical is deposited, when the cavity wall of leading-out terminal ontology reaches setting value equipped with the pressure in battery case inner cavity Open the internal blast resistance construction of terminal to connect corresponding terminal extinguishing chemical chamber and battery case inner cavity.
The scheme two of battery：On the basis of scheme one, one end end face of the cavity wall of leading-out terminal ontology is equipped with described The internal blast resistance construction of terminal.
The scheme three of battery：On the basis of scheme one, the cavity wall and/or cover board body of leading-out terminal ontology are equipped with It is opened when the pressure of battery case inner cavity reaches setting value with to the external blast resistance construction of the cover board of outside batteries pressure release.
The scheme four of battery：On the basis of scheme three, the circumferential surface of leading-out terminal walls of a body cavity is equipped with the cover board External blast resistance construction.
The scheme five of battery：On the basis of scheme three or scheme four, the Opening pressure of the internal blast resistance construction of terminal is less than Or the Opening pressure equal to the external blast resistance construction of cover board.
The scheme six of battery：On the basis of scheme three or scheme four, the external explosion-proof knot of the internal blast resistance construction of terminal, cover board Structure is the explosion-proof valve opened under corresponding setting pressure.
The scheme seven of battery：It on the basis of any one, is set on the leading-out terminal ontology in scheme one to scheme four It is useful for injecting the terminal extinguishing chemical injection hole of extinguishing chemical into terminal extinguishing chemical chamber.
The scheme eight of battery：It on the basis of any one, is stored up in the terminal extinguishing chemical chamber in scheme one to scheme four There is the extinguishing chemical.
The scheme nine of battery：On the basis of scheme one or scheme three, cover board body is equipped with extinguishing chemical cavity, extinguishing chemical Cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped with the pressure in battery case inner cavity It opens to connect the cavity internal blast resistance construction of ontology extinguishing chemical chamber and battery case inner cavity when reaching setting value.
The scheme ten of battery：On the basis of scheme nine, it is additionally provided in the cavity wall of extinguishing chemical cavity in ontology extinguishing chemical chamber Pressure open when reaching setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
The scheme 11 of battery：On the basis of scheme ten, extinguishing chemical cavity includes surrounding jointly with cover board body described The cover body of ontology extinguishing chemical chamber, cover body are set on the outside of cover board body, and cover body is equipped with the external blast resistance construction of cavity, lid The part for surrounding the ontology extinguishing chemical chamber on plate ontology jointly with cover body is equipped with the internal blast resistance construction of cavity.
The scheme 12 of battery：On the basis of scheme 11, cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the external blast resistance construction of cavity.
The scheme 13 of battery：On the basis of scheme ten, extinguishing chemical cavity includes surrounding jointly with cover board body described The cover body of ontology extinguishing chemical chamber, cover body are set on the inside of cover board body, and cover body is equipped with the internal blast resistance construction of cavity, lid The part for surrounding the ontology extinguishing chemical chamber on plate ontology jointly with cover body is equipped with the external blast resistance construction of cavity.
The scheme 14 of battery：On the basis of scheme 13, cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the internal blast resistance construction of cavity.
The scheme 15 of battery：In scheme ten to scheme 14 on the basis of any one, the internal blast resistance construction of terminal, The Opening pressure of the internal blast resistance construction of cavity is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
The scheme 16 of battery：On the basis of scheme 15, set in the cavity wall and/or cover board body of leading-out terminal ontology The cover board external blast resistance construction to outside batteries pressure release is opened when having the pressure in battery case inner cavity to reach setting value, cavity is internal The Opening pressure of blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 17 of battery：On the basis of scheme nine, the cavity wall and/or cover board body of leading-out terminal ontology are equipped with Pressure in battery case inner cavity opens the cover board external blast resistance construction to outside batteries pressure release when reaching setting value, cavity is internally prevented The Opening pressure of quick-fried structure is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 18 of battery：In scheme ten to scheme 14 on the basis of any one, the internal blast resistance construction of cavity It is in the corresponding explosion-proof valve for setting and being opened under pressure with the external blast resistance construction of cavity.
The scheme 19 of battery：In scheme ten to scheme 14 on the basis of any one, extinguishing chemical cavity is equipped with For injecting the ontology extinguishing chemical injection hole of extinguishing chemical into ontology extinguishing chemical chamber.
The scheme 20 of battery：In scheme ten to scheme 14 on the basis of any one, the ontology extinguishing chemical chamber In store the extinguishing chemical.
The technical solution of the utility model battery modules is：
The scheme one of battery modules：A kind of battery modules, including at least two batteries, battery includes battery cover board and has The battery case of battery case inner cavity, battery core unit is equipped in battery case inner cavity, and battery cover board includes cover board body, set on cover board body There is a positive and negative electrode leading-out terminal, positive and negative electrode leading-out terminal includes leading-out terminal ontology, and at least one in positive and negative electrode leading-out terminal There is the terminal extinguishing chemical chamber for storing extinguishing chemical, the cavity wall of leading-out terminal ontology is equipped in a leading-out terminal ontology It opens to connect the terminal pair of corresponding terminal extinguishing chemical chamber and battery case inner cavity when the pressure of battery case inner cavity reaches setting value Interior blast resistance construction.
The scheme two of battery modules：On the basis of scheme one, one end end face of the cavity wall of leading-out terminal ontology is equipped with The internal blast resistance construction of the terminal.
The scheme three of battery modules：On the basis of scheme one, set in the cavity wall and/or cover board body of leading-out terminal ontology It is opened when thering is the pressure in battery case inner cavity to reach setting value with to the external blast resistance construction of the cover board of outside batteries pressure release.
The scheme four of battery modules：On the basis of scheme three, the circumferential surface of leading-out terminal walls of a body cavity is equipped with described The external blast resistance construction of cover board.
The scheme five of battery modules：On the basis of scheme three or scheme four, the Opening pressure of the internal blast resistance construction of terminal Less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme six of battery modules：On the basis of scheme three or scheme four, the internal blast resistance construction of terminal, cover board are externally prevented Quick-fried structure is the explosion-proof valve opened under corresponding setting pressure.
The scheme seven of battery modules：In scheme one to scheme four on the basis of any one, the leading-out terminal ontology It is equipped with the terminal extinguishing chemical injection hole for injecting extinguishing chemical into terminal extinguishing chemical chamber.
The scheme eight of battery modules：In scheme one to scheme four on the basis of any one, the terminal extinguishing chemical chamber In store the extinguishing chemical.
The scheme nine of battery modules：On the basis of scheme one or scheme three, cover board body is equipped with extinguishing chemical cavity, goes out Fiery agent cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped in battery case inner cavity It opens to connect the cavity internal blast resistance construction of ontology extinguishing chemical chamber and battery case inner cavity when pressure reaches setting value.
The scheme ten of battery modules：On the basis of scheme nine, it is additionally provided in the cavity wall of extinguishing chemical cavity and puts out a fire in ontology It is opened when the pressure of agent chamber reaches setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
The scheme 11 of battery modules：On the basis of scheme ten, extinguishing chemical cavity includes surrounding jointly with cover board body The cover body of the ontology extinguishing chemical chamber, cover body are set on the outside of cover board body, and cover body is equipped with the cavity externally explosion-proof knot Structure, the part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body are equipped with the cavity internally explosion-proof knot Structure.
The scheme 12 of battery modules：On the basis of scheme 11, cover body includes be arranged in parallel with cover board body one End face is held, end face is equipped with the external blast resistance construction of cavity.
The scheme 13 of battery modules：On the basis of scheme ten, extinguishing chemical cavity includes surrounding jointly with cover board body The cover body of the ontology extinguishing chemical chamber, cover body are set on the inside of cover board body, and cover body is equipped with the cavity internally explosion-proof knot Structure, the part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body are equipped with the cavity externally explosion-proof knot Structure.
The scheme 14 of battery modules：On the basis of scheme 13, cover body includes be arranged in parallel with cover board body one End face is held, end face is equipped with the internal blast resistance construction of cavity.
The scheme 15 of battery modules：In scheme ten to scheme 14 on the basis of any one, terminal is internally explosion-proof The Opening pressure of the internal blast resistance construction of structure, cavity is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
The scheme 16 of battery modules：On the basis of scheme 15, the cavity wall and/or cover board body of leading-out terminal ontology It is equipped with the external blast resistance construction of cover board opened when the pressure in battery case inner cavity reaches setting value to outside batteries pressure release, cavity The Opening pressure of internal blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 17 of battery modules：On the basis of scheme nine, in the cavity wall and/or cover board body of leading-out terminal ontology The external blast resistance construction of cover board to outside batteries pressure release, cavity pair are opened when reaching setting value equipped with the pressure in battery case inner cavity The Opening pressure of interior blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 18 of battery modules：In scheme ten to scheme 14 on the basis of any one, cavity is internally explosion-proof Structure and the external blast resistance construction of cavity are the explosion-proof valve opened under corresponding setting pressure.
The scheme 19 of battery modules：In scheme ten to scheme 14 on the basis of any one, on extinguishing chemical cavity Equipped with the ontology extinguishing chemical injection hole for the injection extinguishing chemical into ontology extinguishing chemical chamber.
The scheme 20 of battery modules：In scheme ten to scheme 14 on the basis of any one, the ontology fire extinguishing The extinguishing chemical is stored in agent chamber.
The technical solution of the utility model battery case is：
The scheme one of battery case：A kind of battery case, battery modules, ventilation and heat knot including babinet and in babinet Structure, battery modules include at least two batteries, and battery includes battery cover board and has the battery case of battery case inner cavity, in battery case Battery core unit is equipped in chamber, battery cover board includes cover board body, and cover board body is equipped with positive and negative electrode leading-out terminal, and positive and negative electrode is defeated Go out in the terminal leading-out terminal ontology including at least one of leading-out terminal ontology, positive and negative electrode leading-out terminal to have and be used for The terminal extinguishing chemical chamber of extinguishing chemical is stored, the pressure that the cavity wall of leading-out terminal ontology is equipped in battery case inner cavity reaches setting value Shi Kaiqi is to connect the internal blast resistance construction of terminal of corresponding terminal extinguishing chemical chamber and battery case inner cavity.
The scheme two of battery case：On the basis of scheme one, one end end face of the cavity wall of leading-out terminal ontology is equipped with institute The internal blast resistance construction of terminal stated.
The scheme three of battery case：On the basis of scheme one, the cavity wall and/or cover board body of leading-out terminal ontology are equipped with It is opened when pressure in battery case inner cavity reaches setting value with to the external blast resistance construction of the cover board of outside batteries pressure release.
The scheme four of battery case：On the basis of scheme three, the circumferential surface of leading-out terminal walls of a body cavity is equipped with the lid The external blast resistance construction of plate.
The scheme five of battery case：On the basis of scheme three or scheme four, the Opening pressure of the internal blast resistance construction of terminal is small In or equal to the external blast resistance construction of cover board Opening pressure.
The scheme six of battery case：On the basis of scheme three or scheme four, the internal blast resistance construction of terminal, cover board are externally explosion-proof Structure is the explosion-proof valve opened under corresponding setting pressure.
The scheme seven of battery case：In scheme one to scheme four on the basis of any one, on the leading-out terminal ontology Equipped with the terminal extinguishing chemical injection hole for the injection extinguishing chemical into terminal extinguishing chemical chamber.
The scheme eight of battery case：In scheme one to scheme four on the basis of any one, in the terminal extinguishing chemical chamber Store the extinguishing chemical.
The scheme nine of battery case：On the basis of scheme one or scheme three, cover board body is equipped with extinguishing chemical cavity, fire extinguishing Agent cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped with the pressure in battery case inner cavity It opens to connect the cavity internal blast resistance construction of ontology extinguishing chemical chamber and battery case inner cavity when power reaches setting value.
The scheme ten of battery case：On the basis of scheme nine, it is additionally provided in the cavity wall of extinguishing chemical cavity in ontology extinguishing chemical It is opened when the pressure of chamber reaches setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
The scheme 11 of battery case：On the basis of scheme ten, extinguishing chemical cavity includes surrounding institute jointly with cover board body The cover body of ontology extinguishing chemical chamber is stated, cover body is set on the outside of cover board body, and cover body is equipped with the external blast resistance construction of cavity, The part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body is equipped with the internal blast resistance construction of cavity.
The scheme 12 of battery case：On the basis of scheme 11, cover body includes the one end being arranged in parallel with cover board body End face, end face are equipped with the external blast resistance construction of cavity.
The scheme 13 of battery case：On the basis of scheme ten, extinguishing chemical cavity includes surrounding institute jointly with cover board body The cover body of ontology extinguishing chemical chamber is stated, cover body is set on the inside of cover board body, and cover body is equipped with the internal blast resistance construction of cavity, The part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body is equipped with the external blast resistance construction of cavity.
The scheme 14 of battery case：On the basis of scheme 13, cover body includes the one end being arranged in parallel with cover board body End face, end face are equipped with the internal blast resistance construction of cavity.
The scheme 15 of battery case：In scheme ten to scheme 14 on the basis of any one, the internal explosion-proof knot of terminal The Opening pressure of the internal blast resistance construction of structure, cavity is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
The scheme 16 of battery case：On the basis of scheme 15, in the cavity wall and/or cover board body of leading-out terminal ontology The external blast resistance construction of cover board to outside batteries pressure release, cavity pair are opened when reaching setting value equipped with the pressure in battery case inner cavity The Opening pressure of interior blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 17 of battery case：On the basis of scheme nine, set in the cavity wall and/or cover board body of leading-out terminal ontology The cover board external blast resistance construction to outside batteries pressure release is opened when having the pressure in battery case inner cavity to reach setting value, cavity is internal The Opening pressure of blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 18 of battery case：In scheme ten to scheme 14 on the basis of any one, the internal explosion-proof knot of cavity Structure and the external blast resistance construction of cavity are the explosion-proof valve opened under corresponding setting pressure.
The scheme 19 of battery case：It on the basis of any one, is set on extinguishing chemical cavity in scheme ten to scheme 14 It is useful for injecting the ontology extinguishing chemical injection hole of extinguishing chemical into ontology extinguishing chemical chamber.
The scheme 20 of battery case：In scheme ten to scheme 14 on the basis of any one, the ontology extinguishing chemical The extinguishing chemical is stored in chamber.
The technical solution of the utility model vehicle is：
The scheme one of vehicle：A kind of vehicle, the battery case including car body and on car body, battery case include babinet and set In battery modules, ventilation and heat structure in babinet, battery modules include at least two batteries, and battery includes battery cover board and tool There is a battery case of battery case inner cavity, be equipped with battery core unit in battery case inner cavity, battery cover board includes cover board body, on cover board body Equipped with positive and negative electrode leading-out terminal, positive and negative electrode leading-out terminal includes leading-out terminal ontology, in positive and negative electrode leading-out terminal at least There is the terminal extinguishing chemical chamber for storing extinguishing chemical, the cavity wall of leading-out terminal ontology is equipped in the leading-out terminal ontology of one It opens to connect the terminal of corresponding terminal extinguishing chemical chamber and battery case inner cavity when pressure in battery case inner cavity reaches setting value Internal blast resistance construction.
The scheme two of vehicle：On the basis of scheme one, one end end face of the cavity wall of leading-out terminal ontology is equipped with described The internal blast resistance construction of terminal.
The scheme three of vehicle：On the basis of scheme one, the cavity wall and/or cover board body of leading-out terminal ontology are equipped with It is opened when the pressure of battery case inner cavity reaches setting value with to the external blast resistance construction of the cover board of outside batteries pressure release.
The scheme four of vehicle：On the basis of scheme three, the circumferential surface of leading-out terminal walls of a body cavity is equipped with the cover board External blast resistance construction.
The scheme five of vehicle：On the basis of scheme three or scheme four, the Opening pressure of the internal blast resistance construction of terminal is less than Or the Opening pressure equal to the external blast resistance construction of cover board.
The scheme six of vehicle：On the basis of scheme three or scheme four, the external explosion-proof knot of the internal blast resistance construction of terminal, cover board Structure is the explosion-proof valve opened under corresponding setting pressure.
The scheme seven of vehicle：It on the basis of any one, is set on the leading-out terminal ontology in scheme one to scheme four It is useful for injecting the terminal extinguishing chemical injection hole of extinguishing chemical into terminal extinguishing chemical chamber.
The scheme eight of vehicle：It on the basis of any one, is stored up in the terminal extinguishing chemical chamber in scheme one to scheme four There is the extinguishing chemical.
The scheme nine of vehicle：On the basis of scheme one or scheme three, cover board body is equipped with extinguishing chemical cavity, extinguishing chemical Cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped with the pressure in battery case inner cavity It opens to connect the cavity internal blast resistance construction of ontology extinguishing chemical chamber and battery case inner cavity when reaching setting value.
The scheme ten of vehicle：On the basis of scheme nine, it is additionally provided in the cavity wall of extinguishing chemical cavity in ontology extinguishing chemical chamber Pressure open when reaching setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
The scheme 11 of vehicle：On the basis of scheme ten, extinguishing chemical cavity includes surrounding jointly with cover board body described The cover body of ontology extinguishing chemical chamber, cover body are set on the outside of cover board body, and cover body is equipped with the external blast resistance construction of cavity, lid The part for surrounding the ontology extinguishing chemical chamber on plate ontology jointly with cover body is equipped with the internal blast resistance construction of cavity.
The scheme 12 of vehicle：On the basis of scheme 11, cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the external blast resistance construction of cavity.
The scheme 13 of vehicle：On the basis of scheme ten, extinguishing chemical cavity includes surrounding jointly with cover board body described The cover body of ontology extinguishing chemical chamber, cover body are set on the inside of cover board body, and cover body is equipped with the internal blast resistance construction of cavity, lid The part for surrounding the ontology extinguishing chemical chamber on plate ontology jointly with cover body is equipped with the external blast resistance construction of cavity.
The scheme 14 of vehicle：On the basis of scheme 13, cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the internal blast resistance construction of cavity.
The scheme 15 of vehicle：In scheme ten to scheme 14 on the basis of any one, the internal blast resistance construction of terminal, The Opening pressure of the internal blast resistance construction of cavity is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
The scheme 16 of vehicle：On the basis of scheme 15, set in the cavity wall and/or cover board body of leading-out terminal ontology The cover board external blast resistance construction to outside batteries pressure release is opened when having the pressure in battery case inner cavity to reach setting value, cavity is internal The Opening pressure of blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 17 of vehicle：On the basis of scheme nine, the cavity wall and/or cover board body of leading-out terminal ontology are equipped with Pressure in battery case inner cavity opens the cover board external blast resistance construction to outside batteries pressure release when reaching setting value, cavity is internally prevented The Opening pressure of quick-fried structure is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
The scheme 18 of vehicle：In scheme ten to scheme 14 on the basis of any one, the internal blast resistance construction of cavity It is in the corresponding explosion-proof valve for setting and being opened under pressure with the external blast resistance construction of cavity.
The scheme 19 of vehicle：In scheme ten to scheme 14 on the basis of any one, extinguishing chemical cavity is equipped with For injecting the ontology extinguishing chemical injection hole of extinguishing chemical into ontology extinguishing chemical chamber.
The scheme 20 of vehicle：In scheme ten to scheme 14 on the basis of any one, the ontology extinguishing chemical chamber In store the extinguishing chemical.
The beneficial effects of the utility model are：Battery provided by the utility model includes battery cover board and battery case, battery Battery core unit is equipped in shell inner cavity, battery cover board includes positive and negative electrode leading-out terminal, and leading-out terminal includes leading-out terminal ontology, defeated Going out has terminal extinguishing chemical chamber in terminal body, offer the internal blast resistance construction of terminal in the cavity wall of leading-out terminal ontology, work as electricity The pressure of pond shell inner cavity when reaching setting value internal blast resistance construction open to connect terminal extinguishing chemical chamber and battery case inner cavity.It uses When, when fire behavior occurs in battery case inner cavity, the pressure of battery case inner cavity rises, and the internal blast resistance construction of terminal is opened, terminal extinguishing chemical The extinguishing chemical of intracavitary enters in battery case inner cavity, is established comprehensively and the network that effectively insulate in battery case inner cavity, delays battery The release of energy is inhibited and is put out a fire to the fire behavior in battery case inner cavity.The battery output terminal of the utility model is in battery Occur to put out a fire automatically during fire behavior, go out with first being detected to carry out controlling again in the prior art when fire behavior occurs in battery Fire is compared, more efficient, and use is more reliable, while can select going out for service life even higher than battery life identical with battery life Fiery agent, not needing to the later stage is safeguarded.
Description of the drawings
Fig. 1 is the schematic diagram of battery cover board in the utility model battery modules embodiment one；
Fig. 2 is the Section View of Fig. 1 front views；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the bottom view of Fig. 2；
Fig. 5 is the stereogram of positive output terminals in Fig. 1；
Fig. 6 is the vertical view of positive output terminals in Fig. 1；
Fig. 7 is the bottom view of positive output terminals in Fig. 1；
Fig. 8 is the Section View of Fig. 5 front views；
Fig. 9 is the schematic diagram of battery in the utility model battery modules embodiment one；
Figure 10 is the Section View of the front view of Fig. 9；
Figure 11 is the sectional view of positive output terminals in the utility model battery modules embodiment two；
Figure 12 is the front view of battery cover board in the utility model battery modules example IV；
Figure 13 is the vertical view of Figure 12；
Figure 14 is the bottom view of Figure 12；
Figure 15 is the schematic diagram of battery in the utility model battery modules example IV；
Figure 16 is the sectional view at battery cover board in Figure 15；
Figure 17 is the schematic diagram of the utility model battery modules embodiment；
Figure 18 is the sectional view in percentage of batteries at battery cover board in Figure 17；
Figure 19 is the stereogram of battery cover board in the utility model battery modules embodiment five；
Figure 20 is the front view of Figure 19；
Figure 21 is the vertical view of Figure 20；
Figure 22 is the bottom view of Figure 20；
Figure 23 is the schematic diagram of battery in the utility model battery modules embodiment five；
Figure 24 is the sectional view at battery cover board in Figure 23；
Figure 25 is the schematic diagram of the utility model battery modules embodiment five；
Figure 26 is the sectional view in percentage of batteries at battery cover board in Figure 25；
Figure 27 is the schematic diagram of battery cover board in the utility model battery modules embodiment six.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment one of the battery modules of the utility model, as shown in Figures 1 to 10, battery modules include at least two A battery, battery include battery case 9 and the battery cover board being sealed on battery case 9.Battery cover board includes cover board body 1, cover board Seal buckle on battery case, is provided with positive output terminals 2 and negative output terminals to ontology 1 when in use on cover board body 1 3, in the present embodiment, positive and negative electrode leading-out terminal passes through cover board body 1, and leading-out terminal is used for the battery core with being placed in battery case inner cavity The lug of unit is connected, and connection mode is fixedly connected with mode for laser welding etc., and leading-out terminal draws the electric current of battery core unit.
If Fig. 5 to Fig. 8 show the schematic diagram of positive output terminals 2, the present embodiment is carried out by taking positive output terminals 2 as an example It illustrates, the structure of negative output terminals 3 is consistent with the structure of positive output terminals 2.Positive output terminals 2 include leading-out terminal sheet Body 10 has the terminal extinguishing chemical chamber 7 that can accommodate extinguishing chemical in leading-out terminal ontology 10.In the chamber of leading-out terminal ontology 10 Wall includes the part for separating terminal extinguishing chemical chamber 7 and battery case inner cavity, terminal pair being offered on end face on the portion Interior explosion-proof valve 8, terminal internal explosion-proof valve 8 is opened when can reach the pressure of setting in battery case inner cavity or rupture, and terminal is made to go out Fiery agent chamber is connected with battery case inner cavity.The internal explosion-proof valve 8 of terminal is located in battery case inner cavity, by outside batteries not it is observed that. Terminal extinguishing chemical injection hole 6 is offered on the other end of leading-out terminal ontology.Extinguishing chemical can be injected by terminal extinguishing chemical Injection terminal extinguishing chemical intracavitary in hole 6.Corresponding, the battery cover board of the utility model, which is additionally included in, puts out a fire extinguishing chemical by terminal Agent injection hole 6 is injected into the plug for blocking terminal extinguishing chemical injection hole 6 after terminal extinguishing chemical chamber.It is also set on cover board body 1 There is liquid injection hole 5, for injecting electrolyte to battery case inner cavity.
In the present embodiment, the external explosion-proof valve 4 of cover board is additionally provided on cover board body 1, the external explosion-proof valve 4 of cover board is in battery The pressure of shell inner cavity is opened after reaching the pressure of setting or rupture, connection battery case inner cavity and outside batteries and outside pressure release.This In embodiment, the structure of the internal explosion-proof valve 8 of terminal explosion-proof valve 4 external with cover board is identical, is explosion-proof membrane structure.The present embodiment In, the unlatching of the unlatching of the external explosion-proof valve 4 of cover board or fracture pressure more than or equal to the internal explosion-proof valve 8 of terminal or fracture pressure.
As Fig. 9 and Figure 10 be battery schematic diagram, wherein, battery include with battery case inner cavity battery case 9, battery case Battery core unit (not shown) is placed in inner cavity, battery cover board is encapsulated in the opening of battery case.On battery cover board just, Negative output terminals connection corresponding with the positive and negative lug of battery core unit, realizes the output of electric current.
The production process of above-mentioned battery is as follows：
Step 1：Assembled battery cover board sets mounting terminal internal on positive output terminals 2 and negative output terminals 3 Explosion-proof valve 8 and terminal extinguishing chemical chamber extinguishing chemical injection hole 6 install positive output terminals 2 and cathode output end on cover board body 1 Son 3 and relevant insulating element install the external explosion-proof valve 4 of cover board on cover board body 1.
Step 2：Battery core unit makes, and carries out batch mixing according to technical data, coating, roll-in, slitting, makes pole piece, Again battery core unit is made by way of winding or lamination.
Step 3：The output made in the positive and negative lug for one or more battery core units that step 2 is made and step 1 Terminal, which corresponds to, to be connected and is electrically connected in a manner of the fusions such as laser welding or ultrasonic bonding.
Step 4：The battery core unit that step 3 makes is put into battery case, battery case is fused using modes such as laser weldings With battery cover board.Insulating element is set between battery core unit and battery case, between battery case and battery cover board, prevents battery core list Short circuit between member, battery case and battery cover board, and meet the performance requirement of the insulation pressure resistance of requirements of the national standard.
Step 5：By the battery that step 4 makes under conditions of defined ambient humidity (being less than 1%), according to technique skill The regulation of art parameter carries out electrolyte injection.
Step 6：Step 5 is had been injected into the battery of electrolyte, is shelved according to technical data requirement, aging And the processes such as pre- chemical conversion.
Step 7：The battery that step 6 is made carries out whole sealing.
Step 8：The battery sealed eventually that step 7 is made, injects extinguishing chemical according to the requirement of technical data In terminal extinguishing chemical chamber 7.Wherein, the TKD- that Shiji Lianbao Fire Fighting New Technology Co., Ltd., Beijing is produced may be used in extinguishing chemical 8431 extinguishing chemicals or the Novec of 3M companies productionTM1230 extinguishing chemicals, the performance requirement of extinguishing chemical need to meet relevant industries and Requirements of the national standard.In use, do not needed in extinguishing chemical and terminal extinguishing chemical chamber installation detection device, extinguishing chemical release needed for The others device such as driving device wanted.Wherein, the physics of above-mentioned extinguishing chemical, chemical parameters are as shown in table 1.
1 extinguishing chemical parameter list of table
Property Unit
Purity Mol% >=99%
Acidity ppm ＜ 3
Water content % ≤0.001
Non-volatile residue g.(100ml)-1 ≤0.05
Boiling point (1atm) ℃ ≥55.0
Solidification point ℃ ≤-60
Density, saturated liquid (25 DEG C) g/ml ≈1.60
Density, gas (1atm, 25 DEG C) g/ml ≈0.02
Specific volume, gas (1atm, 25 DEG C) m3/kg ≈0.05
Liquid viscosity (25 DEG C) Centistoke (lentor) ≈0.40(0.60)
Solubility (25 DEG C) of the water in TKD-8341 Weight ratio ＜ 0.001%
Vapour pressure (25 DEG C) bar(psia) 0.40(6.0)
Dielectric strength kV ≥50
Step 9：The extinguishing chemical injection hole 6 of leading-out terminal in the battery for having been injected into extinguishing chemical of step 8 is carried out close Envelope.
Step 10：The battery that step 9 is completed is required according to technical data after being cleaned, toasted and being carried out Continuous process.
The battery completed according to above-mentioned steps disclosure satisfy that national standard and the relevant single battery battery of professional standard The requirement of the thermal runaway expanding test of thermal runaway test requirements document and battery system (Battery case).
The battery modules of the utility model when in use, when there is fire behavior in battery case inner cavity, can lead to battery case inner cavity Pressure increases, and when pressure reaches unlatching or the fracture pressure of the internal explosion-proof valve 8 of terminal, the internal explosion-proof valve 8 of terminal is opened, terminal The extinguishing chemical of extinguishing chemical intracavitary enters battery case inner cavity, is established comprehensively and the network that effectively insulate in battery case inner cavity, to electricity Fire behavior inside pond is inhibited and is put out a fire.Extinguishing chemical can resolve into nontoxic fluoride gas at high temperature, meanwhile, work as battery In abuse conditions, the material inside battery core and electrolyte, which will continue to decompose, generates gas, and the pressure of battery case inner cavity will continue to Raising.When the pressure of battery case inner cavity continues to increase up to unlatching or the fracture pressure of the external explosion-proof valve 4 of cover board, cover board is external Explosion-proof valve 4 is opened, and the pressure of battery case is made to be discharged by the external explosion-proof valve of cover board, battery case will not rupture or explode.
The battery modules of the utility model set terminal extinguishing chemical chamber 7 in original leading-out terminal, can't destroy original The structure of some battery structures and battery modules will not destroy the sealing protection performance of battery modules, during due to current flowing Kelvin effect, the electric conductivity of leading-out terminal, the work with existing battery, battery modules and battery system will not be reduced Skill, quality management and control, device parameter form good matching.
Extinguishing chemical used in the utility model has excellent electrical insulation capability, is conducive to establish in inside battery comprehensive And the network that effectively insulate, delay the release of the energy content of battery, the function of inhibition, fire extinguishing is played to the fire behavior inside battery case, prevent Only fire behavior, which is stretched, leads to thermal runaway.And extinguishing chemical used in the utility model has stable chemical property, does not cause electricity Pond electric loop short circuit, does not react with metal and nonmetallic materials, corrosion-free, and nontoxic, corresponding performance indicator is also full Sufficient respective country standard requirement.Extinguishing chemical can cover all combustibles of battery catches fire, and extinguishing chemical is can cover solid Fire, the composite fire extinguishing agent that liquid fire, gas is fiery, metal is fiery, one or more kinds of in electrical fire.
In addition, extinguishing chemical has normal pressure storage, the characteristic of long-life storage is suitable with the service life of battery, does not need to Extinguishing chemical is replaced within the battery quality guarantee period in itself.
In the utility model, battery core unit is provided in battery case inner cavity, battery core unit is lamination or winding-structure. Battery core unit includes the monomer being composed by series system, parallel way, connection in series-parallel mixed connection mode or other modes, single Body includes one or more monomeric units.Monomer includes rectangular, cylindrical monomer or Soft Roll monomer or other special-shaped monomers.Upper It can continue to make battery core unit after the step of stating seven, by multiple battery core units by way of series, parallel, connection in series-parallel mixed connection Or other modes are combined and then connection corresponding with the leading-out terminal on battery cover board.
In the present embodiment, in use, the part being located in leading-out terminal ontology 10 in battery case inner cavity constitutes separation electricity The cavity wall part of pond shell inner cavity and terminal extinguishing chemical chamber, in the present embodiment, the internal explosion-proof valve of terminal is set on the end of the cavity wall part On face, in other embodiments, the internal explosion-proof valve of terminal can be also provided on the circumferential surface of the cavity wall part.
The specific embodiment two of the utility model battery modules, as shown in figure 11, with embodiment one the difference lies in, On the basis of embodiment one, terminal extinguishing chemical chamber 7 and outside batteries are separated in the cavity wall of leading-out terminal ontology 10 Terminal external explosion-proof valve 11 is set on cavity wall part, and the external explosion-proof valve 11 of terminal is set on the circumferential surface of cavity wall.Terminal is externally explosion-proof Unlatching/fracture pressure of valve 11 is greater than or equal to unlatching/fracture pressure of the internal explosion-proof valve 8 of terminal.When the pressure of battery case inner cavity After power reaches the Opening pressure of the internal explosion-proof valve 8 of terminal, the internal explosion-proof valve 8 of terminal is opened terminal extinguishing chemical chamber 7 and battery case Fire extinguishing is realized in inner cavity connection, and when the pressure of battery case inner cavity continues to increase, the external explosion-proof valve 11 of terminal is opened to be let out to outside batteries Pressure.Terminal extinguishing chemical chamber extinguishing chemical injection hole 6 is additionally provided on leading-out terminal.Negative output terminals and anode in the present embodiment The structure of leading-out terminal is identical, and other structures are identical with the structure of embodiment one in battery cover board.In other embodiments, The external explosion-proof valve 11 of terminal can be arranged on the end face of corresponding cavity wall part.
In the present embodiment, the external explosion-proof valve of terminal is the external explosion-proof valve of cover board, and the cover board on leading-out terminal is externally explosion-proof The Opening pressure of valve can be identical with the Opening pressure of the external explosion-proof valve of the cover board on cover board body, can also be different.
The specific embodiment three of the utility model battery modules, the difference lies in by cover board body with embodiment two On the external explosion-proof valve of cover board cancel, only rely on the external explosion-proof valve of cover board on leading-out terminal to outside batteries pressure release.
The specific embodiment four of the utility model battery modules, as shown in Figure 12 to Figure 18, on the basis of above-described embodiment On.Cover body 12 is set in the inside of cover board body 1, and cover body 12 collectively forms extinguishing chemical cavity with cover board body 1, and centre surrounds this Body extinguishing chemical chamber, ontology extinguishing chemical chamber can will be including extinguishing agent storages.On the end face parallel with cover board body 1 of cover body 12 The internal explosion-proof valve 15 of cavity is provided with, is formed on the part of ontology extinguishing chemical chamber with cover body 12 in cover board body 1 and cavity is set External explosion-proof valve 14, and liquid injection hole 5 and ontology extinguishing chemical chamber extinguishing chemical injection hole 13 are being additionally provided on cover board body 1.
In the present embodiment, the Opening pressure of the internal explosion-proof valve of terminal of the internal explosion-proof valve 15 of cavity and leading-out terminal is respectively less than The Opening pressure of the external explosion-proof valve 14 of cavity.When the present embodiment is the internal explosion-proof valve 15 of cavity when on the basis of embodiment one The unlatching pressure of the external explosion-proof valve of cover board being respectively less than on cover board body with the Opening pressure of the internal explosion-proof valve of terminal of leading-out terminal Power.When the present embodiment is when on the basis of embodiment three, the terminal of the internal explosion-proof valve 15 of cavity and leading-out terminal is internally explosion-proof The Opening pressure of the external explosion-proof valve of cover board that the Opening pressure of valve is respectively less than on leading-out terminal.When the present embodiment is in embodiment two On the basis of when, the Opening pressure of the internal explosion-proof valve of terminal of the internal explosion-proof valve 15 of cavity and leading-out terminal is respectively less than leading-out terminal On the external explosion-proof valve of cover board, the external explosion-proof valve of cavity and the external explosion-proof valve of cover board on cover board body Opening pressure.
In the present embodiment, when the pressure of battery case inner cavity reaches setting pressure, the internal explosion-proof valve 15 of cavity and terminal pair At least one unlatching of interior explosion-proof valve makes the extinguishing chemical in terminal extinguishing chemical chamber and/or ontology extinguishing chemical chamber enter battery case inner cavity In.When the pressure of battery case inner cavity reaches the Opening pressure of any one external explosion-proof valve, corresponding external explosion-proof valve is opened, To outside batteries pressure release.
Such as the schematic diagram that Figure 15 and Figure 16 is battery, wherein battery includes the battery case 9 with battery case inner cavity, in battery Battery cover board is encapsulated on shell.Figure 17 and Figure 18 is the schematic diagram of battery modules, and battery modules include multiple batteries.
The specific embodiment five of the utility model battery modules, as shown in Figure 19 to 26, the difference with example IV It is, cover body 12 is set in the outside of cover board body 1, and cover body 12 collectively forms extinguishing chemical cavity with cover board body 1, and centre surrounds Ontology extinguishing chemical chamber, ontology extinguishing chemical chamber can will be including extinguishing agent storages.On cover board body 1 ontology is formed with cover body 12 Cavity internal explosion-proof valve 15 on the part of extinguishing chemical chamber is set, the external explosion-proof valve 14 of cavity is set on cover body 12, and in cover Liquid injection hole 5 and ontology extinguishing chemical chamber extinguishing chemical injection hole 13 are additionally provided on body 12.
In the present embodiment, when the pressure of battery case inner cavity reaches setting pressure, the internal explosion-proof valve of cavity and terminal are internal Extinguishing chemical in terminal extinguishing chemical chamber and/or ontology extinguishing chemical chamber is entered battery case inner cavity by least one unlatching of explosion-proof valve In.When pressure in battery case inner cavity reaches the wherein Opening pressure of any one external explosion-proof valve, corresponding external explosion-proof valve It opens, to outside batteries pressure release.
Such as the schematic diagram that Figure 23 and Figure 24 is battery, wherein battery includes the battery case 9 with battery case inner cavity, in battery Battery cover board is encapsulated on shell.Figure 25 and Figure 26 is the schematic diagram of battery modules, and battery modules include multiple batteries.
The specific embodiment six of the utility model battery modules, as shown in figure 27, with example IV and embodiment five not It is with part, extinguishing chemical cavity 5 is separately provided on cover board body 1, extinguishing chemical cavity 5 runs through cover board body 1, in extinguishing chemical Cavity 5 sets the internal explosion-proof valve 4 of cavity on the part of battery case inner cavity, and cavity is set in the opposite side of cover board body 1 External explosion-proof valve 6, wherein, the Opening pressure of the internal explosion-proof valve 4 of cavity is less than or equal to the external explosion-proof valve 6 of cavity.
In the above embodiments, explosion-proof valve is the blast resistance construction that can be opened under corresponding setting pressure.
In the above embodiments, terminal extinguishing chemical chamber is respectively provided in positive and negative electrode leading-out terminal, in other embodiments, Setting terminal extinguishing chemical chamber in one of them that can be only in positive and negative electrode leading-out terminal.
In the above embodiments, the Opening pressure of internal blast resistance construction is respectively less than the Opening pressure of external blast resistance construction, this It is provided to prevent the pressure of the battery case inner cavity after internal blast resistance construction is opened from will continue to increase and causing what battery case burst Consider.If extinguishing chemical can reduce the pressure inside battery case after in other embodiments, internal blast resistance construction is opened, then export The Opening pressure of the external blast resistance construction of cavity on the external blast resistance construction of cover board and cavity on terminal can be less than internally explosion-proof The Opening pressure of structure.When being provided with the external blast resistance construction of cover board on cover board body, the Opening pressure of internal blast resistance construction is equal Less than or equal to the Opening pressure of the external blast resistance construction of cover board on cover board body, the pressure of battery case inner cavity is prevented directly by covering The external blast resistance construction pressure release of cover board on plate ontology, makes extinguishing chemical lose its effect.
The specific embodiment of the utility model battery, the structure of battery is consistent with the structure of above-described embodiment, and content is not It repeats again.
The specific embodiment of the utility model battery case, battery case include babinet, and battery modules are provided in babinet and are led to The structure of wind radiator structure, wherein battery modules is consistent with the structure of above-described embodiment, and content repeats no more.
The specific embodiment of the utility model vehicle, vehicle include car body and the battery case on car body, battery case Structure is consistent with the structure of above-described embodiment, and content repeats no more.

Claims (80)

1. a kind of battery, the battery case including battery cover board and with battery case inner cavity is equipped with battery core unit in battery case inner cavity, Battery cover board includes cover board body, and cover board body is equipped with positive and negative electrode leading-out terminal, and positive and negative electrode leading-out terminal includes output Terminal body, it is characterised in that：Have in the leading-out terminal ontology of at least one of positive and negative electrode leading-out terminal and go out for storing The terminal extinguishing chemical chamber of fiery agent, the cavity wall of leading-out terminal ontology are opened when reaching setting value equipped with the pressure in battery case inner cavity To connect the internal blast resistance construction of terminal of corresponding terminal extinguishing chemical chamber and battery case inner cavity.
2. battery according to claim 1, it is characterised in that：One end end face of the cavity wall of leading-out terminal ontology is equipped with institute The internal blast resistance construction of terminal stated.
3. battery according to claim 1, it is characterised in that：It is set in the cavity wall and/or cover board body of leading-out terminal ontology It is opened when thering is the pressure in battery case inner cavity to reach setting value with to the external blast resistance construction of the cover board of outside batteries pressure release.
4. battery according to claim 3, it is characterised in that：The circumferential surface of leading-out terminal walls of a body cavity is equipped with the lid The external blast resistance construction of plate.
5. battery according to claim 3 or 4, it is characterised in that：The Opening pressure of the internal blast resistance construction of terminal be less than or Equal to the Opening pressure of the external blast resistance construction of cover board.
6. battery according to claim 3 or 4, it is characterised in that：The internal blast resistance construction of terminal, the external blast resistance construction of cover board It is the explosion-proof valve opened under corresponding setting pressure.
7. battery according to any one of claims 1-4, it is characterised in that：The leading-out terminal ontology is equipped with and is used for The terminal extinguishing chemical injection hole of extinguishing chemical is injected into terminal extinguishing chemical chamber.
8. battery according to any one of claims 1-4, it is characterised in that：It is stored in the terminal extinguishing chemical chamber The extinguishing chemical stated.
9. the battery according to claim 1 or 3, it is characterised in that：Cover board body is equipped with extinguishing chemical cavity, extinguishing chemical chamber Body has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the pressure that the cavity wall of extinguishing chemical cavity is equipped in battery case inner cavity reaches To being opened during setting value to connect the internal blast resistance construction of cavity of ontology extinguishing chemical chamber and battery case inner cavity.
10. battery according to claim 9, it is characterised in that：It is additionally provided in the cavity wall of extinguishing chemical cavity and puts out a fire in ontology It is opened when the pressure of agent chamber reaches setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
11. battery according to claim 10, it is characterised in that：Extinguishing chemical cavity includes surrounding institute jointly with cover board body The cover body of ontology extinguishing chemical chamber is stated, cover body is set on the outside of cover board body, and cover body is equipped with the external blast resistance construction of cavity, The part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body is equipped with the internal blast resistance construction of cavity.
12. battery according to claim 11, it is characterised in that：Cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the external blast resistance construction of cavity.
13. battery according to claim 10, it is characterised in that：Extinguishing chemical cavity includes surrounding institute jointly with cover board body The cover body of ontology extinguishing chemical chamber is stated, cover body is set on the inside of cover board body, and cover body is equipped with the internal blast resistance construction of cavity, The part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body is equipped with the external blast resistance construction of cavity.
14. battery according to claim 13, it is characterised in that：Cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the internal blast resistance construction of cavity.
15. according to the battery described in claim 10-14 any one, it is characterised in that：The internal blast resistance construction of terminal, cavity pair The Opening pressure of interior blast resistance construction is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
16. battery according to claim 15, it is characterised in that：In the cavity wall and/or cover board body of leading-out terminal ontology The external blast resistance construction of cover board to outside batteries pressure release, cavity pair are opened when reaching setting value equipped with the pressure in battery case inner cavity The Opening pressure of interior blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
17. battery according to claim 9, it is characterised in that：It is set in the cavity wall and/or cover board body of leading-out terminal ontology The cover board external blast resistance construction to outside batteries pressure release is opened when having the pressure in battery case inner cavity to reach setting value, cavity is internal The Opening pressure of blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
18. according to the battery described in claim 10-14 any one, it is characterised in that：The internal blast resistance construction of cavity and cavity External blast resistance construction is the explosion-proof valve opened under corresponding setting pressure.
19. according to the battery described in claim 10-14 any one, it is characterised in that：Extinguishing chemical cavity be equipped with for The ontology extinguishing chemical injection hole of extinguishing chemical is injected in ontology extinguishing chemical chamber.
20. according to the battery described in claim 10-14 any one, it is characterised in that：It is stored in the ontology extinguishing chemical chamber There is the extinguishing chemical.
21. a kind of battery modules, including at least two batteries, battery includes battery cover board and the battery with battery case inner cavity Shell is equipped with battery core unit in battery case inner cavity, and battery cover board includes cover board body, and cover board body is equipped with positive and negative electrode output terminal Son, positive and negative electrode leading-out terminal include leading-out terminal ontology, it is characterised in that：At least one of positive and negative electrode leading-out terminal There is the terminal extinguishing chemical chamber for storing extinguishing chemical, the cavity wall of leading-out terminal ontology is equipped in battery in leading-out terminal ontology It opens when the pressure of shell inner cavity reaches setting value and is internally prevented with connecting corresponding terminal extinguishing chemical chamber and the terminal of battery case inner cavity Quick-fried structure.
22. battery modules according to claim 21, it is characterised in that：On one end end face of the cavity wall of leading-out terminal ontology Equipped with the internal blast resistance construction of terminal.
23. battery modules according to claim 21, it is characterised in that：The cavity wall of leading-out terminal ontology and/or cover board sheet Body, which is equipped with when pressure in battery case inner cavity reaches setting value, to be opened with to the external blast resistance construction of the cover board of outside batteries pressure release.
24. battery modules according to claim 23, it is characterised in that：The circumferential surface of leading-out terminal walls of a body cavity is equipped with institute The external blast resistance construction of cover board stated.
25. the battery modules according to claim 23 or 24, it is characterised in that：The Opening pressure of the internal blast resistance construction of terminal Less than or equal to the Opening pressure of the external blast resistance construction of cover board.
26. the battery modules according to claim 23 or 24, it is characterised in that：The internal blast resistance construction of terminal, cover board are external Blast resistance construction is the explosion-proof valve opened under corresponding setting pressure.
27. according to the battery modules described in claim 21-24 any one, it is characterised in that：On the leading-out terminal ontology Equipped with the terminal extinguishing chemical injection hole for the injection extinguishing chemical into terminal extinguishing chemical chamber.
28. according to the battery modules described in claim 21-24 any one, it is characterised in that：In the terminal extinguishing chemical chamber Store the extinguishing chemical.
29. the battery modules according to claim 21 or 23, it is characterised in that：Cover board body is equipped with extinguishing chemical cavity, Extinguishing chemical cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped in battery case inner cavity Pressure open when reaching setting value to connect the internal blast resistance construction of cavity of ontology extinguishing chemical chamber and battery case inner cavity.
30. battery modules according to claim 29, it is characterised in that：It is additionally provided in the cavity wall of extinguishing chemical cavity in ontology It is opened when the pressure of extinguishing chemical chamber reaches setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
31. battery modules according to claim 30, it is characterised in that：Extinguishing chemical cavity includes enclosing jointly with cover board body Into the cover body of the ontology extinguishing chemical chamber, cover body is set on the outside of cover board body, and it is externally explosion-proof that cover body is equipped with the cavity Structure, the part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body are equipped with the cavity internally explosion-proof knot Structure.
32. battery modules according to claim 31, it is characterised in that：Cover body includes be arranged in parallel with cover board body one End face is held, end face is equipped with the external blast resistance construction of cavity.
33. battery modules according to claim 30, it is characterised in that：Extinguishing chemical cavity includes enclosing jointly with cover board body Into the cover body of the ontology extinguishing chemical chamber, cover body is set on the inside of cover board body, and it is internally explosion-proof that cover body is equipped with the cavity Structure, the part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body are equipped with the cavity externally explosion-proof knot Structure.
34. battery modules according to claim 33, it is characterised in that：Cover body includes be arranged in parallel with cover board body one End face is held, end face is equipped with the internal blast resistance construction of cavity.
35. according to the battery modules described in claim 30-34 any one, it is characterised in that：The internal blast resistance construction of terminal, chamber The Opening pressure of the internal blast resistance construction of body is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
36. battery modules according to claim 35, it is characterised in that：The cavity wall of leading-out terminal ontology and/or cover board sheet The pressure that body is equipped in battery case inner cavity opens the external blast resistance construction of cover board to outside batteries pressure release, chamber when reaching setting value The Opening pressure of the internal blast resistance construction of body is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
37. battery modules according to claim 29, it is characterised in that：The cavity wall of leading-out terminal ontology and/or cover board sheet The pressure that body is equipped in battery case inner cavity opens the external blast resistance construction of cover board to outside batteries pressure release, chamber when reaching setting value The Opening pressure of the internal blast resistance construction of body is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
38. according to the battery modules described in claim 30-34 any one, it is characterised in that：The internal blast resistance construction of cavity and The external blast resistance construction of cavity is the explosion-proof valve opened under corresponding setting pressure.
39. according to the battery modules described in claim 30-34 any one, it is characterised in that：Extinguishing chemical cavity, which is equipped with, to be used In the ontology extinguishing chemical injection hole that extinguishing chemical is injected into ontology extinguishing chemical chamber.
40. according to the battery modules described in claim 30-34 any one, it is characterised in that：In the ontology extinguishing chemical chamber Store the extinguishing chemical.
41. a kind of battery case, battery modules, ventilation and heat structure including babinet and in babinet, battery modules are included extremely Few two batteries, battery include battery cover board and the battery case with battery case inner cavity, battery core unit are equipped in battery case inner cavity, Battery cover board includes cover board body, and cover board body is equipped with positive and negative electrode leading-out terminal, and positive and negative electrode leading-out terminal includes output Terminal body, it is characterised in that：Have in the leading-out terminal ontology of at least one of positive and negative electrode leading-out terminal and go out for storing The terminal extinguishing chemical chamber of fiery agent, the cavity wall of leading-out terminal ontology are opened when reaching setting value equipped with the pressure in battery case inner cavity To connect the internal blast resistance construction of terminal of corresponding terminal extinguishing chemical chamber and battery case inner cavity.
42. battery case according to claim 41, it is characterised in that：It is set on one end end face of the cavity wall of leading-out terminal ontology There is the internal blast resistance construction of the terminal.
43. battery case according to claim 41, it is characterised in that：The cavity wall and/or cover board body of leading-out terminal ontology It is equipped with when pressure in battery case inner cavity reaches setting value and opens with to the external blast resistance construction of the cover board of outside batteries pressure release.
44. battery case according to claim 43, it is characterised in that：The circumferential surface of leading-out terminal walls of a body cavity is equipped with described The external blast resistance construction of cover board.
45. the battery case according to claim 43 or 44, it is characterised in that：The Opening pressure of the internal blast resistance construction of terminal is small In or equal to the external blast resistance construction of cover board Opening pressure.
46. the battery case according to claim 43 or 44, it is characterised in that：The internal blast resistance construction of terminal, cover board are externally prevented Quick-fried structure is the explosion-proof valve opened under corresponding setting pressure.
47. according to the battery case described in claim 41-44 any one, it is characterised in that：It is set on the leading-out terminal ontology It is useful for injecting the terminal extinguishing chemical injection hole of extinguishing chemical into terminal extinguishing chemical chamber.
48. according to the battery case described in claim 41-44 any one, it is characterised in that：It is stored up in the terminal extinguishing chemical chamber There is the extinguishing chemical.
49. the battery case according to claim 41 or 43, it is characterised in that：Cover board body is equipped with extinguishing chemical cavity, goes out Fiery agent cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped in battery case inner cavity It opens to connect the cavity internal blast resistance construction of ontology extinguishing chemical chamber and battery case inner cavity when pressure reaches setting value.
50. battery case according to claim 49, it is characterised in that：It is additionally provided in the cavity wall of extinguishing chemical cavity and goes out in ontology It is opened when the pressure of fiery agent chamber reaches setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
51. battery case according to claim 50, it is characterised in that：Extinguishing chemical cavity includes surrounding jointly with cover board body The cover body of the ontology extinguishing chemical chamber, cover body are set on the outside of cover board body, and cover body is equipped with the cavity externally explosion-proof knot Structure, the part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body are equipped with the cavity internally explosion-proof knot Structure.
52. battery case according to claim 51, it is characterised in that：Cover body includes the one end being arranged in parallel with cover board body End face, end face are equipped with the external blast resistance construction of cavity.
53. battery case according to claim 50, it is characterised in that：Extinguishing chemical cavity includes surrounding jointly with cover board body The cover body of the ontology extinguishing chemical chamber, cover body are set on the inside of cover board body, and cover body is equipped with the cavity internally explosion-proof knot Structure, the part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body are equipped with the cavity externally explosion-proof knot Structure.
54. battery case according to claim 53, it is characterised in that：Cover body includes the one end being arranged in parallel with cover board body End face, end face are equipped with the internal blast resistance construction of cavity.
55. according to the battery case described in claim 50-54 any one, it is characterised in that：The internal blast resistance construction of terminal, cavity The Opening pressure of internal blast resistance construction is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
56. battery case according to claim 55, it is characterised in that：The cavity wall and/or cover board body of leading-out terminal ontology It is equipped with the external blast resistance construction of cover board opened when the pressure in battery case inner cavity reaches setting value to outside batteries pressure release, cavity The Opening pressure of internal blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
57. battery case according to claim 49, it is characterised in that：The cavity wall and/or cover board body of leading-out terminal ontology It is equipped with the external blast resistance construction of cover board opened when the pressure in battery case inner cavity reaches setting value to outside batteries pressure release, cavity The Opening pressure of internal blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
58. according to the battery case described in claim 50-54 any one, it is characterised in that：The internal blast resistance construction of cavity and chamber The external blast resistance construction of body is the explosion-proof valve opened under corresponding setting pressure.
59. according to the battery case described in claim 50-54 any one, it is characterised in that：Extinguishing chemical cavity is equipped with and is used for The ontology extinguishing chemical injection hole of extinguishing chemical is injected into ontology extinguishing chemical chamber.
60. according to the battery case described in claim 50-54 any one, it is characterised in that：It is stored up in the ontology extinguishing chemical chamber There is the extinguishing chemical.
61. a kind of vehicle, the battery case including car body and on car body, battery case include babinet and the battery in babinet Module, ventilation and heat structure, battery modules include at least two batteries, and battery includes battery cover board and has battery case inner cavity Battery case is equipped with battery core unit in battery case inner cavity, and battery cover board includes cover board body, and it is defeated that cover board body is equipped with positive and negative electrode Go out terminal, positive and negative electrode leading-out terminal includes leading-out terminal ontology, it is characterised in that：At least one in positive and negative electrode leading-out terminal There is the terminal extinguishing chemical chamber for storing extinguishing chemical, the cavity wall of leading-out terminal ontology is equipped in a leading-out terminal ontology It opens to connect the terminal pair of corresponding terminal extinguishing chemical chamber and battery case inner cavity when the pressure of battery case inner cavity reaches setting value Interior blast resistance construction.
62. vehicle according to claim 61, it is characterised in that：One end end face of the cavity wall of leading-out terminal ontology is equipped with The internal blast resistance construction of the terminal.
63. vehicle according to claim 61, it is characterised in that：In the cavity wall and/or cover board body of leading-out terminal ontology It is opened when reaching setting value equipped with the pressure in battery case inner cavity with to the external blast resistance construction of the cover board of outside batteries pressure release.
64. vehicle according to claim 63, it is characterised in that：The circumferential surface of leading-out terminal walls of a body cavity is equipped with described The external blast resistance construction of cover board.
65. the vehicle according to claim 63 or 64, it is characterised in that：The Opening pressure of the internal blast resistance construction of terminal is less than Or the Opening pressure equal to the external blast resistance construction of cover board.
66. the vehicle according to claim 63 or 64, it is characterised in that：The internal blast resistance construction of terminal, cover board are externally explosion-proof Structure is the explosion-proof valve opened under corresponding setting pressure.
67. according to the vehicle described in claim 61-64 any one, it is characterised in that：The leading-out terminal ontology is equipped with For injecting the terminal extinguishing chemical injection hole of extinguishing chemical into terminal extinguishing chemical chamber.
68. according to the vehicle described in claim 61-64 any one, it is characterised in that：It is stored in the terminal extinguishing chemical chamber There is the extinguishing chemical.
69. the vehicle according to claim 61 or 63, it is characterised in that：Cover board body is equipped with extinguishing chemical cavity, fire extinguishing Agent cavity has the ontology extinguishing chemical chamber for storing extinguishing chemical, and the cavity wall of extinguishing chemical cavity is equipped with the pressure in battery case inner cavity It opens to connect the cavity internal blast resistance construction of ontology extinguishing chemical chamber and battery case inner cavity when power reaches setting value.
70. vehicle according to claim 69, it is characterised in that：It is additionally provided in the cavity wall of extinguishing chemical cavity and puts out a fire in ontology It is opened when the pressure of agent chamber reaches setting value with to the external blast resistance construction of the cavity of outside batteries pressure release.
71. vehicle according to claim 70, it is characterised in that：Extinguishing chemical cavity includes surrounding institute jointly with cover board body The cover body of ontology extinguishing chemical chamber is stated, cover body is set on the outside of cover board body, and cover body is equipped with the external blast resistance construction of cavity, The part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body is equipped with the internal blast resistance construction of cavity.
72. the vehicle according to claim 71, it is characterised in that：Cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the external blast resistance construction of cavity.
73. vehicle according to claim 70, it is characterised in that：Extinguishing chemical cavity includes surrounding institute jointly with cover board body The cover body of ontology extinguishing chemical chamber is stated, cover body is set on the inside of cover board body, and cover body is equipped with the internal blast resistance construction of cavity, The part for surrounding the ontology extinguishing chemical chamber on cover board body jointly with cover body is equipped with the external blast resistance construction of cavity.
74. the vehicle according to claim 73, it is characterised in that：Cover body includes one end end being arranged in parallel with cover board body Face, end face are equipped with the internal blast resistance construction of cavity.
75. according to the vehicle described in claim 70-74 any one, it is characterised in that：The internal blast resistance construction of terminal, cavity pair The Opening pressure of interior blast resistance construction is respectively less than or the Opening pressure equal to the external blast resistance construction of cavity.
76. the vehicle according to claim 75, it is characterised in that：In the cavity wall and/or cover board body of leading-out terminal ontology The external blast resistance construction of cover board to outside batteries pressure release, cavity pair are opened when reaching setting value equipped with the pressure in battery case inner cavity The Opening pressure of interior blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
77. vehicle according to claim 69, it is characterised in that：In the cavity wall and/or cover board body of leading-out terminal ontology The external blast resistance construction of cover board to outside batteries pressure release, cavity pair are opened when reaching setting value equipped with the pressure in battery case inner cavity The Opening pressure of interior blast resistance construction is less than or equal to the Opening pressure of the external blast resistance construction of cover board.
78. according to the vehicle described in claim 70-74 any one, it is characterised in that：The internal blast resistance construction of cavity and cavity External blast resistance construction is the explosion-proof valve opened under corresponding setting pressure.
79. according to the vehicle described in claim 70-74 any one, it is characterised in that：Extinguishing chemical cavity be equipped with for The ontology extinguishing chemical injection hole of extinguishing chemical is injected in ontology extinguishing chemical chamber.
80. according to the vehicle described in claim 70-74 any one, it is characterised in that：It is stored in the ontology extinguishing chemical chamber There is the extinguishing chemical.
CN201721271432.1U 2017-09-29 2017-09-29 A kind of battery, battery modules and battery case, the vehicle using the battery modules Active CN207474569U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109065768A (en) * 2018-08-20 2018-12-21 邦泰宏图（深圳）科技有限责任公司 A kind of Multicarity battery and battery pack
CN109585768A (en) * 2017-09-29 2019-04-05 郑州宇通客车股份有限公司 Battery, battery modules and battery case, vehicle using the battery modules
WO2022099662A1 (en) * 2020-11-13 2022-05-19 江苏时代新能源科技有限公司 Box body, battery, electric device, and manufacturing method for battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109585768A (en) * 2017-09-29 2019-04-05 郑州宇通客车股份有限公司 Battery, battery modules and battery case, vehicle using the battery modules
CN109065768A (en) * 2018-08-20 2018-12-21 邦泰宏图（深圳）科技有限责任公司 A kind of Multicarity battery and battery pack
WO2022099662A1 (en) * 2020-11-13 2022-05-19 江苏时代新能源科技有限公司 Box body, battery, electric device, and manufacturing method for battery

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