CN101938016A - Modular lithium-iron power battery - Google Patents
Modular lithium-iron power battery Download PDFInfo
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- CN101938016A CN101938016A CN2010102663044A CN201010266304A CN101938016A CN 101938016 A CN101938016 A CN 101938016A CN 2010102663044 A CN2010102663044 A CN 2010102663044A CN 201010266304 A CN201010266304 A CN 201010266304A CN 101938016 A CN101938016 A CN 101938016A
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- battery
- ion
- management system
- lithium
- power cell
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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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a modular lithium-iron power battery. The battery comprises a battery box and a battery pack arranged in the battery box, wherein the battery pack consists of a plurality of monomer lithium-iron power batteries; the surface of each monomer battery is provided with a temperature sensor which is connected to a battery management system collection box; the battery management system collection box is connected with a vehicle master controller; heat conducting oil is injected into the battery box; a heat conducting oil inlet and a heat conducting oil outlet are arranged outside the shell of the battery box and are connected with a heat conducting oil box; a circulating pump is arranged on the heat conducting oil box and the heat conducting oil inlet; a heat conducting oil heating pipe is arranged in the heat conducting oil box; the battery management system collection box is arranged in the battery box; the anode and the cathode of each monomer battery are connected with the battery management system collection box through data acquisition lines; the battery management system collection box is connected with the vehicle master controller; the wall of the shell of the battery box is provided with a direct-current high-voltage switch and a resistance fuse; and the direct-current high-voltage switch and the resistance fuse are connected with each other in series and then are connected between the modular lithium-iron power battery and the vehicle master controller in series.
Description
Technical field
The present invention relates to a kind of lithium ion power battery module, be fit to be applied to the lithium ion battery that electrocar, electric bus are used.
Background technology
Along with the appearance in succession of China's electric bus, electrocar preferential policy, electric motor car heat has been burnt all on both sides of the Changjiang River; The Vehicular accumulator cell that electric automobile and electric bus use mainly contains: lead-acid battery, Ni-MH battery, nickel-cadmium cell and lithium battery; Lithium-ion-power cell has light weight, high specific energy, high life, characteristics such as pollution-free and safe in utilization, becomes the first-selected driving power of new-energy automobile.Because battery production producer and battery use producer's exchange of technology obstructed, cause electric motor car in design, process on probation, some security-hidden troubles to occur, as: when battery leakage, car inspection and repair because the too high damage to person etc. that easily causes of battery voltage.The intensity Enclosure Strength of battery case is bad in addition, is extruded easily and punctures, and causes internal short-circuit of battery and sets off an explosion or burn.Therefore requiring has the shell of a relative stiffness to protect lithium ion battery and interlock circuit.Existing electric motor car does not have battery case or there is potential safety hazard in the battery case design, such as the exposed connection in series-parallel of lithium ion battery together, be easy to generate short circuit phenomenon, BMS (refers to battery management system, BATTERY MANAGEMENTSYSTEM) lithium ion battery collecting cassette also easily water inlet damage, the insulation that more is difficult to the lithium ion battery in the assurance work with dispelled the heat.
Lithium-ions battery is because of it has good cycle life, higher specific energy extensively is subjected to electric automobile production firm and consumer's favor, because Vehicular accumulator cell voltage height (generally more than or equal to 150 volts), need a plurality of cells or battery module to be together in series and use together, therefore the consistency and the battery management system of lithium battery are had relatively high expectations; The lithium battery serviceability temperature is-20 ℃～65 ℃, but at the northern area winter temperature through being everlasting-30 ℃, therefore general about 40 ℃ of south maximum temperature in summer must install temperature control system additional in battery module; When the temperature temperature was lower than-20 ℃, battery pack heated conduction oil in charging process; Temperature in battery module is higher than 60 ℃, takes to reduce the mode cool batteries group of conduction oil temperature, guarantees that battery carries out work under serviceability temperature; In addition,, must guarantee that when traffic accident takes place battery pack has certain anti-extruding, anti-ly requirement such as pierces through as Vehicular accumulator cell, guarantee battery pack under this type of situation, do not explode, not on fire, do not burn; Vehicle is under the rainy day or the situation of paddling, and battery pack leaky can not take place.
Chinese patent 200720303026.9 discloses a kind of lithium ion battery box; its design is effective seal lithium ion battery group just; improve the mechanical strength of battery pack, and do not considered battery operated environment, do not had function of temperature control, battery management system and circuit protection system.Do not allow the lithium ion battery group in the work reach stability and reliability like this.
Summary of the invention
The purpose of this invention is to provide a kind of modularization lithium-ion-power cell, to improve the defective that exists in the known technology.
For achieving the above object, modularization lithium-ion-power cell provided by the invention, its primary structure comprise the battery pack of installing in battery case and the battery case, and this battery pack is made up of a plurality of cells, and this modularization lithium-ion-power cell is connected with power connector; Wherein:
Each cell surface is provided with temperature sensor, described each temperature sensor all with battery case in the battery management system collecting cassette be connected; The battery management system collecting cassette is connected with the vehicle master controller;
Be injected with conduction oil in the battery case, the battery case housing is provided with a conduction oil inlet and exports with a conduction oil, and described conduction oil inlet connects the outlet of heat conduction fuel tank, the inlet of conduction oil outlet connection heat conduction fuel tank; Heat conduction fuel tank and oil-in, heat conduction source are provided with a circulating pump; Be provided with the heat-conducting oil heating pipe in the heat conduction fuel tank.
Be provided with the battery management system collecting cassette in battery case, each cell is anodal to link to each other with the battery management system collecting cassette by the data acquisition line with negative pole, and the battery management system collecting cassette is connected with the vehicle master controller;
High direct voltage switch and resistance fuse are housed on the battery case housing wall; After this high direct voltage switch and the series connection of resistance fuse, be serially connected in again between modularization lithium ion battery and the vehicle master controller.
Described modularization lithium-ion-power cell, wherein the material of battery case is aluminium, steel or highstrenghtpiston.
Described modularization lithium-ion-power cell, but wherein a plurality of modularization lithium-ion-power cell serial or parallel connection uses.
Described modularization lithium-ion-power cell, wherein circuit protection system resistance fuse is a fusible link.
Described modularization lithium-ion-power cell, wherein the conduction oil entry position on the battery case housing is lower than the conduction oil outlet.
Described modularization lithium-ion-power cell, wherein the modularization lithium-ion-power cell is connected with power connector.
Modularization lithium-ion-power cell of the present invention provides the intensity height, has had the function of insulation, heat radiation, waterproof and data acquisition for the lithium battery group.Each cell surface of battery module of the present invention's design is provided with temperature sensor, in time give battery management system or vehicle drive personnel with the temperature transfer of cell in the battery case, open the supply pump of conduction oil by battery management system or personnel, the battery module of flowing through by conduction oil keeps the temperature constant of battery surface within normal range (NR).
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Modularization lithium-ion-power cell 1 integral body of the present invention is the battery case 2 of a band case lid, battery pack 3 is installed in the case, battery case of the present invention is aluminium casing, steel casing or has high-intensity plastic box, can guarantee that vehicle battery pack in traffic accidents such as bump, overturnings the time is not extruded, pierces through, guarantee that driver and Vehicular occupant can not be subjected to injury for the second time.After in the battery case battery pack being installed,, behind the drying varniss case lid is covered on Battery case, guarantee excellent sealing at battery connecting portion spraying insulating varnish C30-11.Battery case integral body is air-tight state.After the battery case sealing, can prevent that moisture, dust from entering in the battery pack, battery cell connecting portion spraying insulating varnish C30-11, can better protect vehicle drive personnel and the passenger can not get an electric shock.
Battery pack 3 of the present invention connects (serial or parallel connection) by a plurality of cells 4 and forms.During actual the use, this modularization lithium-ion-power cell 1 is connected (power connector and method of attachment are known technology, and be not shown in the figures) with power connector.Leave the work space between battery case inwall and the battery pack.
The surface of each cell 4 is provided with temperature sensor 5, and each temperature sensor 5 all is connected to battery management system collecting cassette 6; Battery management system collecting cassette 6 is connected (vehicle master controller and method of attachment are known technology, and be not shown in the figures) with the vehicle master controller.
Be injected with conduction oil in the battery case 2, the housing of battery case 2 is provided with conduction oil inlet 7 and one conduction oil outlet 8, and conduction oil inlet 7 is connected to the outlet of heat conduction fuel tank by oil pipe 9, and conduction oil outlet 8 is connected to the inlet of heat conduction fuel tank by oil pipe 11.Between the outlet of conduction oil inlet 7 and heat conduction fuel tank, or between the inlet of conduction oil outlet 8 and heat conduction fuel tank a circulating pump 12 is installed.Temperature sensor 5 of the present invention is in time given battery management system collecting cassette 6 or vehicle drive personnel with the temperature transfer of each cell 4, the circulating pump of being opened conduction oil by battery management system collecting cassette 6 or vehicle drive personnel exchanges the conduction oil of battery module and the conduction oil of vehicle-mounted heat conduction fuel tank, keeps the temperature constant (20 ℃～65 ℃) within normal range (NR) of battery surface by the battery module of flowing through of conduction oil.For strengthening the conduction oil circulating effect, the horizontal level of the conduction oil that is provided with on the battery case housing of the present invention inlet 7 is lower than conduction oil outlet 8.
Vehicle-mounted heat conduction fuel tank internal is provided with the heat-conducting oil heating pipe; When ambient temperature is lower than-20 ℃, vehicle is in when charging, the external power supply of heat conduction fuel tank is connected on the civil power heats to conduction oil, when conduction oil temperature during near 40 ℃, stop to heat, the ON cycle pump circulates conduction oil and the vehicle-mounted fuel tank conduction oil in the battery module to the battery heat supply; When the temperature of inside battery surpasses 65 ℃ (temperature sensor sends signal), the ON cycle pump is lowered the temperature to battery.
The positive terminal of each cell all links to each other with battery management system collecting cassette 6 by the data acquisition line with negative terminal, and battery management system collecting cassette 6 is connected with the vehicle master controller by lead again.Battery management system collecting cassette 6 is in time gathered electric current, voltage and the temperature of each cell, these parameters are aggregated into the vehicle master controller, the vehicle master controller manages each cell by the battery management system collecting cassette, and each cell performance is bringd into play.Battery management system collecting cassette 6 of the present invention can adopt the Harbin hat to open up the battery acquisition module of production, or adopts other similar collecting cassettes in the industry.
High direct voltage switch 10 and resistance fuse 13 (this resistance fuse 13 can be fusible link particularly) are housed on battery case 2 shell walls, high direct voltage switch 10 and resistance fuse 13 are series relationship, and are serially connected between modularization lithium-ion-power cell and the vehicle master controller.Immediate current surpasses battery high-multiplying power discharge electric current in the ifs circuit, high direct voltage switch 10 will disconnect rapidly, and resistance fuse 13 also can fuse, high pressure in the entire circuit (voltages more than 300 volts) will disconnect, guarantee that Circuits System can disconnect rapidly when breaking down, guarantee that vehicle voltage is the human safety voltage.
Modularization lithium-ion-power cell of the present invention can be as required with a plurality of modularization lithium-ion-power cells each other with the lead polyphone or and connect use.
Claims (6)
1. a modularization lithium-ion-power cell comprises the battery pack of installing in battery case and the battery case, and this battery pack is made up of a plurality of monomer lithium-ion-power cells, it is characterized in that:
Each cell surface is provided with temperature sensor, described each temperature sensor all with battery case in the battery management system collecting cassette be connected; The battery management system collecting cassette is connected with the vehicle master controller;
Be injected with conduction oil in the battery case, the battery case housing is outside equipped with a conduction oil inlet and a conduction oil outlet, and described conduction oil inlet connects the outlet of heat conduction fuel tank, and the conduction oil outlet connects the inlet of heat conduction fuel tank; Heat conduction fuel tank and oil-in, heat conduction source are provided with a circulating pump; Be provided with the heat-conducting oil heating pipe in the heat conduction fuel tank;
Be provided with the battery management system collecting cassette in battery case, each cell is anodal to link to each other with the battery management system collecting cassette by the data acquisition line with negative pole, and the battery management system collecting cassette is connected with the vehicle master controller;
High direct voltage switch and resistance fuse are housed on the battery case housing wall; After this high direct voltage switch and the series connection of resistance fuse, be serially connected in again between modularization lithium-ion-power cell and the vehicle master controller.
2. modularization lithium-ion-power cell according to claim 1 is characterized in that, the material of described battery case is aluminium, steel or highstrenghtpiston.
3. modularization lithium-ion-power cell according to claim 1 is characterized in that, but a plurality of modularization lithium-ion-power cell serial or parallel connection uses.
4. modularization lithium-ion-power cell according to claim 1 is characterized in that, described circuit protection system resistance fuse is a fusible link.
5. modularization lithium-ion-power cell according to claim 1 is characterized in that, the conduction oil entry position on the battery case housing is lower than the conduction oil outlet.
6. modularization lithium-ion-power cell according to claim 1; it is characterized in that; cell connects, the lead between the modularization lithium-ion-power cell connects, being connected between modularization lithium-ion-power cell and the vehicle master controller testing and finish after; handle in the connecting portion spraying C30-11 alkyd insulating varnish protection that exposes, prevent the high pressure casualty accident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102663044A CN101938016A (en) | 2010-08-30 | 2010-08-30 | Modular lithium-iron power battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102663044A CN101938016A (en) | 2010-08-30 | 2010-08-30 | Modular lithium-iron power battery |
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| CN101938016A true CN101938016A (en) | 2011-01-05 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354773A (en) * | 2011-09-19 | 2012-02-15 | 北京电子工程总体研究所 | Li-SOCl2 battery and power supply control circuit thereof |
| CN102637918A (en) * | 2011-02-14 | 2012-08-15 | 盐城中威客车有限公司 | Thermal management system for automotive batteries |
| CN103337599A (en) * | 2013-01-31 | 2013-10-02 | 湖北追日电气股份有限公司 | Multifunctional battery cover and power battery pack thereof |
| CN105656096A (en) * | 2014-11-14 | 2016-06-08 | 江苏永昌新能源科技有限公司 | Electric car lithium battery mounting casing |
| CN105818706A (en) * | 2016-03-28 | 2016-08-03 | 杭州傲拓迈科技有限公司 | Logistics system with convenient-to-replace batteries |
| CN105932187A (en) * | 2016-05-31 | 2016-09-07 | 三门峡博睿化工技术研发有限公司 | Quick charge type electric vehicle battery system |
| CN106784485A (en) * | 2017-01-11 | 2017-05-31 | 买易网络科技（北京）有限公司 | Battery unit oil immersed type technological design |
| CN106953125A (en) * | 2017-03-14 | 2017-07-14 | 深圳市海芝通电子股份有限公司 | The electric energy-storage system of lithium with function of safety protection |
| CN107146863A (en) * | 2016-03-01 | 2017-09-08 | 通用汽车环球科技运作有限责任公司 | Monoblock type passive cooling system and method |
| CN107171001A (en) * | 2017-05-26 | 2017-09-15 | 成都艾欧新能源科技有限公司 | New waterproof shell for fuel cell |
| CN113540644A (en) * | 2020-04-14 | 2021-10-22 | 三星Sdi株式会社 | Battery pack |
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| JPH10270094A (en) * | 1997-03-24 | 1998-10-09 | Toyota Motor Corp | Detecting method for abnormal temperature rise of battery and its device |
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| CN1553541A (en) * | 2003-12-18 | 2004-12-08 | 武汉理工大学 | Multilayer distributed battery managing system based on CAN bus |
| CN1750317A (en) * | 2005-10-17 | 2006-03-22 | 李慧琪 | Thermal balance treating method and device for lithium ion power battery group |
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2010
- 2010-08-30 CN CN2010102663044A patent/CN101938016A/en active Pending
Patent Citations (4)
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| JPH10270094A (en) * | 1997-03-24 | 1998-10-09 | Toyota Motor Corp | Detecting method for abnormal temperature rise of battery and its device |
| CN2531526Y (en) * | 2002-04-10 | 2003-01-15 | 张弘 | Intelligent secondary cell |
| CN1553541A (en) * | 2003-12-18 | 2004-12-08 | 武汉理工大学 | Multilayer distributed battery managing system based on CAN bus |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637918A (en) * | 2011-02-14 | 2012-08-15 | 盐城中威客车有限公司 | Thermal management system for automotive batteries |
| CN102354773A (en) * | 2011-09-19 | 2012-02-15 | 北京电子工程总体研究所 | Li-SOCl2 battery and power supply control circuit thereof |
| CN102354773B (en) * | 2011-09-19 | 2014-01-08 | 北京电子工程总体研究所 | Li-SOCl2 battery and power supply control circuit thereof |
| CN103337599A (en) * | 2013-01-31 | 2013-10-02 | 湖北追日电气股份有限公司 | Multifunctional battery cover and power battery pack thereof |
| WO2014117453A1 (en) * | 2013-01-31 | 2014-08-07 | 湖北追日电气股份有限公司 | Multifunctional battery cover and power battery pack thereof |
| CN103337599B (en) * | 2013-01-31 | 2015-06-17 | 湖北追日电气股份有限公司 | Multifunctional battery cover and power battery pack thereof |
| CN105656096A (en) * | 2014-11-14 | 2016-06-08 | 江苏永昌新能源科技有限公司 | Electric car lithium battery mounting casing |
| CN107146863B (en) * | 2016-03-01 | 2020-06-12 | 通用汽车环球科技运作有限责任公司 | Integrated passive cooling system and method |
| CN107146863A (en) * | 2016-03-01 | 2017-09-08 | 通用汽车环球科技运作有限责任公司 | Monoblock type passive cooling system and method |
| US10411311B2 (en) | 2016-03-01 | 2019-09-10 | GM Global Technology Operations LLC | Integrated passive cooling system and method |
| CN105818706A (en) * | 2016-03-28 | 2016-08-03 | 杭州傲拓迈科技有限公司 | Logistics system with convenient-to-replace batteries |
| CN105932187A (en) * | 2016-05-31 | 2016-09-07 | 三门峡博睿化工技术研发有限公司 | Quick charge type electric vehicle battery system |
| CN105932187B (en) * | 2016-05-31 | 2019-05-10 | 三门峡博睿化工技术研发有限公司 | A kind of electric vehicle battery system of quickly-chargeable |
| CN106784485A (en) * | 2017-01-11 | 2017-05-31 | 买易网络科技（北京）有限公司 | Battery unit oil immersed type technological design |
| CN106784485B (en) * | 2017-01-11 | 2024-02-27 | 买易网络科技（北京）有限公司 | Oil-immersed process design of battery unit |
| CN106953125A (en) * | 2017-03-14 | 2017-07-14 | 深圳市海芝通电子股份有限公司 | The electric energy-storage system of lithium with function of safety protection |
| CN107171001A (en) * | 2017-05-26 | 2017-09-15 | 成都艾欧新能源科技有限公司 | New waterproof shell for fuel cell |
| CN107171001B (en) * | 2017-05-26 | 2020-06-16 | 温州益蓉机械有限公司 | Waterproof case for fuel cell |
| CN113540644A (en) * | 2020-04-14 | 2021-10-22 | 三星Sdi株式会社 | Battery pack |
| CN113540644B (en) * | 2020-04-14 | 2023-10-20 | 三星Sdi株式会社 | Battery pack |
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Application publication date: 20110105 |