CN103490026A - Safety protection structure for storage battery - Google Patents

Safety protection structure for storage battery Download PDF

Info

Publication number
CN103490026A
CN103490026A CN201310452567.8A CN201310452567A CN103490026A CN 103490026 A CN103490026 A CN 103490026A CN 201310452567 A CN201310452567 A CN 201310452567A CN 103490026 A CN103490026 A CN 103490026A
Authority
CN
China
Prior art keywords
safety protection
protection structure
storage battery
ion battery
lithium ion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310452567.8A
Other languages
Chinese (zh)
Inventor
王丽娜
杨凯
刘皓
王松岑
李大贺
高飞
胡晨
惠东
来小康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI, Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310452567.8A priority Critical patent/CN103490026A/en
Publication of CN103490026A publication Critical patent/CN103490026A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention provides a safety protection structure for a storage battery. The safety protection structure for the storage battery comprises a shell 2, a base 6 and a relay 12, wherein a lithium-ion battery 1 is arranged between a positive terminal 7 and a negative terminal 8 of the base 6. The safety protection structure for the storage battery is improved as follows: the relay 12 comprises a temperature sensor 13 and a signal wire 14; the temperature sensor 13 is connected with the lithium-ion battery 1; and the positive terminal 7 and the negative terminal 8 are connected with a positive connecting wire 10 and a negative connecting wire 11 respectively. Compared with the prior art, the safety protection structure for the storage battery has the advantages of simple structure, easiness in implementation, active protection, capability of timely, rapidly and effectively discharging inert gases for isolation to prevent explosion and combustion of the lithium-ion battery due to high temperature, and significant improvement on the safety of the lithium-ion battery.

Description

A kind of safety protection structure for storage battery
Technical field
The present invention relates to a kind of safety protection structure, be specifically related to a kind of safety protection structure for storage battery.
Background technology
Along with the development of microelectric technique, the equipment of miniaturization is increasing, and power supply has been proposed to very high requirement.Lithium battery by feat of its all many-sided remarkable performances by people be widely used in a lot of aspect, for example mobile phone, palmtop PC, notebook computer, electric tool, electric motor car, street lamp stand-by power supply, navigation lights, video camera, camera, family expenses small electric apparatus are even on military equipment and satellite.Lithium battery also is referred to as " chemical power source of application future is arranged most " by people, even be called " limit battery " or " last battery eliminator ".
In addition; from the environmental protection angle; due to the existence of the cadmium of the battery raw materials such as lead acid accumulator, mercury, lead and other elements, the world environments protective tissue is classified these materials in this battery as harmful substance already, based on this lithium battery, can deserve to be called " green " battery fully.
The appearance of lithium ion battery and afterwards update and perfect, driven the development of related industry, as developing rapidly of mobile phone, palmtop PC, camera, notebook computer and other small portable electrical equipments.Increasing rapidly of portable consuming device particularly, for wide prospect has been opened up in the application of lithium ion battery.At present, in the battery used of these products more than 60%, be all lithium ion battery.
Most widely used on electric automobile at present is lead acid accumulator, along with the development of electric vehicle engineering, except environmental angle is considered, because the lead acid accumulator energy density is lower, many drawbacks such as charging rate is slower, and the life-span is shorter, by other, to replace be trend of the times to more outstanding storage battery.
The power supply of new research and development mainly contains sodium-sulphur battery, nickel-cadmium cell, lithium battery, fuel cell, flying wheel battery etc., and the application of these novel power supplies, for more wide prospect has been opened up in the development of electric automobile.
Along with improving constantly of environmental requirement, lot of domestic and international major company has all stepped up the research to electric automobile.And most important in the research to electric automobile be exactly research to power supply.It is medium-and-large-sized, high-power Ni H accumulator, large-scale lithium ion battery and large-scale ultracapacitor all successively become the important motivity source of electric automobile.People are according to the distinct advantages that the lithium ion battery volume is little, lightweight, energy is large, using it as the first-selected power supply of following used for electric vehicle light high-energy electrokinetic cell.Just at present, people are the most good, visible to the prospect of lithium ion battery, to the lithium battery research space that still grows a lot.
Through the in a few years more deep research to lithium ion battery, also obtained larger progress now.Particularly, since this century, large-scale lithium-ions battery starts to be applied to pure electric automobile and hybrid electric vehicle.These electric motor cars have vast potential for future development, and flourish due to electric motor car also just promoted the development of lithium-ion electric pool technology.
Have a same lithium ion battery of dual character with anything degree no exception, not perfect, also there are some shortcomings in it, and for example cost is also higher, and during low temperature, discharge rate is yet not high.Along with updating of preparation technology, the advantage of lithium ion battery can be day by day obvious.
The inventor finds that redox reaction easily occurs lithium ion battery when high temperature, and the precipitating metal lithium, directly contact and can cause burning with air in the situation that housing breaks, and the electrolyte that simultaneously ignites, strong flame occurs, and the gas rapid expansion, blast.
The inventor finds through long-term observation, research, has designed a kind of safety protection structure for storage battery, can effectively prevent blast, the burning of lithium ion battery.
Summary of the invention
The purpose of this invention is to provide a kind of safety protection structure for storage battery, can initiatively protect, discharge inert gas in time, fast and effectively battery is isolated, prevent lithium ion battery Yin Gaowen blast, burning.
The objective of the invention is to adopt following technical proposals to realize:
A kind of safety protection structure for storage battery provided by the invention, described structure comprises: shell 2, base 6 and relay 12; Between the positive terminal 7 of described base 6 and negative terminal 8, lithium ion battery 1 is set, its improvements are, described relay 12 comprises temperature sensor 13 and holding wire 14, and described temperature sensor 13 is connected with described lithium ion battery 1; Described positive terminal 7 is connected with negative lead 11 with positive lead 10 respectively with negative terminal 8.
Wherein, described shell 2 is the Ω type, and top is provided with air inlet 4 and exhaust outlet 5, and bottom is provided with installing hole 3.
Wherein, described base 6 is provided with the installing hole 3 ' be complementary with described installing hole 3.
Wherein, described shell 2 is bolted with described base 6.
Wherein, described positive lead 10 is connected with external circuit with negative lead 11.
Wherein, described lithium ion battery 1 is cylindrical, and its two ends are positive and negative electrode.
Wherein, described temperature sensor 13 is fixedly installed on described lithium ion battery 1 by hole 9, and described hole 9 is positioned at a side of the central axis of described positive terminal 7 and negative terminal 8.
Wherein, described holding wire 14 is controlled by described temperature sensor 13, sends to the instruction of the interior discharge inert gas of described shell 2.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, the safety protection structure for storage battery provided by the invention, simple in structure, is easy to realize.
2, the safety protection structure for storage battery provided by the invention, can effectively avoid outside battery is damaged.
3, the safety protection structure for storage battery provided by the invention, can discharge inert gas lithium ion battery is effectively isolated.
4, the safety protection structure for storage battery provided by the invention, prevent lithium ion battery Yin Gaowen blast, burning, significantly improves the fail safe of lithium ion battery.
The accompanying drawing explanation
Fig. 1 is: lithium ion battery structure schematic diagram provided by the invention;
Fig. 2 is: shell mechanism schematic diagram provided by the invention;
Fig. 3 is: shell upward view provided by the invention;
Fig. 4 is: shell side view cutaway drawing provided by the invention;
Fig. 5 is: understructure schematic diagram provided by the invention;
Fig. 6 is: lithium ion battery provided by the invention and base assembly structure schematic diagram;
Fig. 7 is: relay construction schematic diagram provided by the invention;
Fig. 8 is: lithium ion battery provided by the invention, base, relay assembly structure schematic diagram;
Fig. 9 is: the general assembly of the safety protection structure for storage battery structural representation provided by the invention;
Wherein: 1, lithium ion battery; 2, shell; 3, installing hole; 3 ', installing hole; 4, air inlet; 5, exhaust outlet; 6, base; 7, positive terminal; 8, negative terminal; 9, hole; 10, positive lead; 11, negative lead; 12, relay; 13, temperature sensor; 14, holding wire.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The safety protection structure that the present embodiment be take for storage battery is example, as shown in Figures 1 to 9, the safety protection structure for storage battery that the embodiment of the present invention provides comprises: lithium ion battery 1, shell 2, installing hole 3, installing hole 3 ', air inlet 4, exhaust outlet 5, base 6, positive terminal 7, negative terminal 8, hole 9, positive lead 10, negative lead 11, relay 12, temperature sensor 13, holding wire 14.
Wherein, lithium ion battery 1 is cylindrical, and its two ends are respectively positive pole and negative pole, see accompanying drawing 1.
Shell 2 is Ω shape, inner hollow, and top is provided with air inlet 4 and exhaust outlet 5, and bottom is provided with installing hole 3, sees that accompanying drawing 2 is to accompanying drawing 4.
Base 6 is a rectangular flat plate, be provided with successively positive terminal 7, hole 9 and negative terminal 8, positive terminal 7 and negative terminal 8 are oppositely arranged on same axis, and hole 9 is arranged on a side of axis, lithium ion battery 1 is set between positive terminal 7 and negative terminal 8 and is fixed on base 6; Positive lead 10 is connected with negative terminal 8 with positive terminal 7 respectively with negative lead 11, and derives and be connected with external circuit from the back side of base 6; The diameter in hole 9 is about 1.5mm, and base 6 is provided with the installing hole 3 ' be complementary with shell 2, and its diameter is about 8mm, by bolt, with shell 2, is connected, and sees that accompanying drawing 5 is to accompanying drawing 9.
Relay 12 is fixed on the back side of base 6, which is provided with temperature sensor 13 and holding wire 14, and temperature sensor 13 is fixed on the surface of lithium ion battery 1 through hole 9, the variations in temperature of monitoring lithium ion battery 1; When the temperature that monitors lithium ion battery 1 when temperature sensor 13 reaches default dangerous temperature, by holding wire 14, send instruction, to the interior discharge inert gas of shell 2, lithium ion battery 1 is isolated; When lithium ion battery 1 temperature reduces and reach the safe working temperature requirement, temperature sensor 13 sends instruction by holding wire 14 inert gas in shell 2 is extracted out, makes the battery normal operation.Can effectively prevent blast, the burning of lithium ion battery 1 like this, thereby reach the purpose of protection lithium ion battery 1.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.

Claims (8)

1. the safety protection structure for storage battery, described structure comprises: shell (2), base (6) and relay (12); Between the positive terminal (7) of described base (6) and negative terminal (8), lithium ion battery (1) is set, it is characterized in that, described relay (12) comprises temperature sensor (13) and holding wire (14), and described temperature sensor (13) is connected with described lithium ion battery (1); Described positive terminal (7) is connected with negative lead (11) with positive lead (10) respectively with negative terminal (8).
2. the safety protection structure for storage battery as claimed in claim 1, is characterized in that, described shell (2) is the Ω type, and top is provided with air inlet (4) and exhaust outlet (5), and bottom is provided with installing hole (3).
3. the safety protection structure for storage battery as claimed in claim 2, is characterized in that, described base (6) is provided with the installing hole (3 ') be complementary with described installing hole (3).
4. the safety protection structure for storage battery as claimed in claim 3, is characterized in that, described shell (2) is bolted with described base (6).
5. the safety protection structure for storage battery as claimed in claim 1, is characterized in that, described positive lead (10) is connected with external circuit with negative lead (11).
6. the safety protection structure for storage battery as claimed in claim 1, is characterized in that, described lithium ion battery (1) is cylindrical, and its two ends are positive and negative electrode.
7. the safety protection structure for storage battery as claimed in claim 1, it is characterized in that, it is upper that described temperature sensor (13) is fixedly installed on described lithium ion battery (1) by hole (9), and described hole (9) are positioned at a side of the central axis of described positive terminal (7) and negative terminal (8).
8. the safety protection structure for storage battery as claimed in claim 1, is characterized in that, described holding wire (14) is controlled by described temperature sensor (13), sends to the instruction of the interior discharge of described shell (2) inert gas.
CN201310452567.8A 2013-09-27 2013-09-27 Safety protection structure for storage battery Pending CN103490026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310452567.8A CN103490026A (en) 2013-09-27 2013-09-27 Safety protection structure for storage battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310452567.8A CN103490026A (en) 2013-09-27 2013-09-27 Safety protection structure for storage battery

Publications (1)

Publication Number Publication Date
CN103490026A true CN103490026A (en) 2014-01-01

Family

ID=49830104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310452567.8A Pending CN103490026A (en) 2013-09-27 2013-09-27 Safety protection structure for storage battery

Country Status (1)

Country Link
CN (1) CN103490026A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101309015A (en) * 2007-05-16 2008-11-19 日立车辆能源株式会社 Cell controller, battery module and power supply system
CN101542774A (en) * 2006-08-29 2009-09-23 江森自控帅福得先进能源动力系统有限责任公司 Battery module
CN102055043A (en) * 2009-11-10 2011-05-11 北汽福田汽车股份有限公司 Battery and battery module
CN102148397A (en) * 2011-02-12 2011-08-10 昆明五威科工贸有限公司 Security application protection system of lithium-ion battery pack
CN203078324U (en) * 2012-12-28 2013-07-24 梁三妹 Safety device of battery pack of electric vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101542774A (en) * 2006-08-29 2009-09-23 江森自控帅福得先进能源动力系统有限责任公司 Battery module
CN101309015A (en) * 2007-05-16 2008-11-19 日立车辆能源株式会社 Cell controller, battery module and power supply system
CN102055043A (en) * 2009-11-10 2011-05-11 北汽福田汽车股份有限公司 Battery and battery module
CN102148397A (en) * 2011-02-12 2011-08-10 昆明五威科工贸有限公司 Security application protection system of lithium-ion battery pack
CN203078324U (en) * 2012-12-28 2013-07-24 梁三妹 Safety device of battery pack of electric vehicle

Similar Documents

Publication Publication Date Title
WO2011079409A1 (en) Method of recycling and reusing spent lithium iron phosphate power battery
RU2005104545A (en) ACCUMULATIVE POWER SUPPLY SYSTEM WITH INTERNAL SELF-PROTECTION FOR UNDERGROUND MINING WORKS
CN103000957A (en) Chargeable electric bicycle lithium battery module with function of thermal runaway protection
CN103247823A (en) All-solid lithium-ion battery and manufacturing method thereof
CN103500861A (en) Explosion prevention and fire extinction testing device for lithium ion battery
CN112317520B (en) Method and device for controllably exploding and crushing waste power batteries
CN206610880U (en) A kind of lithium ion battery
CN103487761A (en) Temperature control testing device for lithium ion battery
CN103490026A (en) Safety protection structure for storage battery
CN103500860B (en) A kind of dual-protection device for lithium ion battery
CN103500857B (en) A kind of Dual-safety protection structure for lithium ion battery
CN103490107B (en) A kind of safety protection structure for lithium ion battery
WO2023065189A1 (en) Battery cell, battery, electrical apparatus, and method and device for fabricating battery cell
CN203013875U (en) Lithium battery module having thermal runway protection function and used for electric bicycle
CN202395087U (en) Quickly chargeable lithium ion battery
CN103490023B (en) A kind of safety device of lithium ion battery
JP2023547006A (en) Single battery, its manufacturing method and manufacturing system, battery and power usage equipment
CN102842687A (en) Whole battery cover plate of lithium ion battery
CN204391212U (en) A kind of operator guards of LiFePO4 battery core
CN202772212U (en) Explosion-proof storage battery
CN205303568U (en) Safe explosion -proof battery module
CN204741049U (en) Battery pack module of high security
CN210272591U (en) Multifunctional charging safety device
CN205595382U (en) A lithium cell group for wireless hand vacuum cleaner
CN221282860U (en) Start power supply

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140101