CN105810854A - Electric vehicle battery pack and protection device - Google Patents
Electric vehicle battery pack and protection device Download PDFInfo
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- CN105810854A CN105810854A CN201610160998.0A CN201610160998A CN105810854A CN 105810854 A CN105810854 A CN 105810854A CN 201610160998 A CN201610160998 A CN 201610160998A CN 105810854 A CN105810854 A CN 105810854A
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- crash sensor
- battery
- bag
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- outer casing
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- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000001133 acceleration Effects 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 7
- 230000003313 weakening effect Effects 0.000 claims description 6
- 230000006378 damage Effects 0.000 abstract description 8
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
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- 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
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an electric vehicle battery pack. The electric vehicle battery pack comprises a battery pack body, a battery pack shell, a collision detection unit, a safety airbag assembly and a control unit, wherein the battery pack shell comprises an inner-layer shell and an outer-layer shell, the inner-layer shell wraps the battery pack body, the outer-layer shell is arranged on the periphery of the inner-layer shell, an accommodating cavity is reserved between the inner-layer shell and the outer-layer shell, the collision detection unit is arranged in the accommodating cavity and comprises more than two collision sensors, the safety airbag assembly comprises four inflation airbags and gas generators corresponding to the inflation airbags, the four inflation airbags are separately arranged in the accommodating cavity in front/rear/left/right directions, and the control unit is used for judging a direction in which a vehicle is collided according to output signals of the collision sensors, and triggering the gas generator of the inflation airbag corresponding to a collision direction to inflate the inflation airbag. The invention also discloses a protection device of the electric vehicle battery pack. By the electric vehicle battery pack, the damage to the battery pack due to a vehicle collision can be effectively prevented.
Description
Technical field
The present invention relates to electric automobile field, particularly relate to a kind of batteries of electric automobile bag and protection device.
Background technology
Along with the development of new-energy automobile technology, and the continuous lifting of people's environmental consciousness, electric automobile is becoming increasingly popular.Electric automobile is to provide power source with electrokinetic cell (i.e. battery bag), drives power motor to promote automobile to advance.In order to ensure enough course continuation mileages, the volume of existing electrokinetic cell is all relatively larger, and weight is also bigger, when there is automobile collision accident, electrokinetic cell is easy to will be impacted deformation and damage, and electrokinetic cell breakage not only results in battery fluid and leaks, it is also possible to cause danger of hazardous electrical discharges, have a strong impact on the personal safety taking advantage of frame personnel.Therefore, how to guarantee that the electrokinetic cell driving safety of electric automobile increasingly comes into one's own.In the prior art, mainly it is taken through control strategy to disconnect rapidly the mode of battery out-put supply when electric automobile is subject to and necessarily clashing into and avoid the outer high casting die electric leakage of car, short-circuit fire secondary injury occupant.
But there is problems with in existing electrokinetic cell protection scheme; even if BMS (battery management system) is already off inside battery high voltage connector after receiving collision alarm; when the shock that electric automobile is subject to is more than some strength; electrokinetic cell is still easily deformed, extrudes, internal structure destruction etc., causes that occupant is caused secondary injury by internal short-circuit of battery, electric leakage, on fire, leakage etc..It still cannot solve the danger of cell deformation and electric leakage.
Summary of the invention
For solving above-mentioned technical problem, one batteries of electric automobile bag of the present invention, it is used for solving existing electric automobile problem such as the deformation of battery bag and electric leakage when collision.
The present invention is achieved in that
A kind of batteries of electric automobile bag, including battery bag body, battery pack housing, collision detection unit, air-bag module and control unit；
Described battery bag body includes two or more battery cell, and the outfan of battery bag body is provided with high voltage connector；
Described battery pack housing includes being wrapped in this external internal layer shell of battery bag and being arranged at the outer casing of internal layer shell periphery, described internal layer shell is metal shell, outer casing is plastic casing, and between internal layer shell and outer casing, all around, four direction is reserved with containing cavity respectively；
Described collision detection unit is arranged in described containing cavity, and including two or more crash sensor, the first crash sensor is for detecting the collision dynamics in longitudinal direction of car direction, and the second crash sensor is for detecting the collision dynamics of vehicular transverse direction；
Described air-bag module includes four aerating gasbags and the gas generator corresponding with aerating gasbag, and four aerating gasbags are respectively arranged in the containing cavity of four direction all around；
Described control unit is connected with collision detection unit and air-bag module respectively, control unit judges, according to the output signal of the first crash sensor and the second crash sensor, the direction that vehicle is impacted, and by the threshold ratio exporting signal and demarcation of the first crash sensor and the second crash sensor relatively, when the output signal of the first crash sensor and/or the second crash sensor is more than the threshold value demarcated, control unit triggers the gas generator of the aerating gasbag corresponding with crash direction and aerating gasbag is inflated.
Further, described first crash sensor and the second crash sensor are acceleration transducer, more than predetermined first threshold, whether the acceleration figure that control unit exports by judging the first crash sensor and the second crash sensor judges whether automobile collides, and by judging more than the threshold value of described demarcation, whether the acceleration figure of the first crash sensor and the output of the second crash sensor judges whether car crass impacts power pack.
Further, when the acceleration figure that a crash sensor and the second crash sensor export is more than first threshold and less than Second Threshold, control unit only judges the high voltage connector of battery bag body outfan.
Further, described control unit include battery assure reason system and be integrated in battery assure reason intrasystem battery safety management chip, described collision detection unit and air-bag module are all connected to described battery safety management chip.
Further, outer casing is provided with the groove of Weakening treatment at the medial wall place relative with aerating gasbag, and the structural strength of outer casing groove is lower than other positions of outer casing.
For solving above-mentioned technical problem, another technical scheme provided by the invention is:
A kind of batteries of electric automobile bag protection device, this battery bag includes battery bag body and battery pack housing, and this battery bag protection device includes collision detection unit, air-bag module and control unit；
Described battery bag body includes two or more battery cell, and the outfan of battery bag body is provided with high voltage connector；
Described battery pack housing includes being wrapped in this external internal layer shell of battery bag and being arranged at the outer casing of internal layer shell periphery, described internal layer shell is metal shell, outer casing is plastic casing, and between internal layer shell and outer casing, all around, four direction is reserved with containing cavity respectively；
Described collision detection unit is arranged in described containing cavity, and including two or more crash sensor, the first crash sensor is for detecting the collision dynamics in longitudinal direction of car direction, and the second crash sensor is for detecting the collision dynamics of vehicular transverse direction；
Described air-bag module includes four aerating gasbags and the gas generator corresponding with aerating gasbag, and four aerating gasbags are respectively arranged in the containing cavity of four direction all around；
Described control unit is connected with collision detection unit and air-bag module respectively, control unit judges, according to the output signal of the first crash sensor and the second crash sensor, the direction that vehicle is impacted, and by the threshold ratio exporting signal and demarcation of the first crash sensor and the second crash sensor relatively, when the output signal of the first crash sensor and/or the second crash sensor is more than the threshold value demarcated, control unit triggers the gas generator of the aerating gasbag corresponding with crash direction and aerating gasbag is inflated.
Further, described first crash sensor and the second crash sensor are acceleration transducer, more than predetermined first threshold, whether the acceleration figure that control unit exports by judging the first crash sensor and the second crash sensor judges whether automobile collides, and by judging more than the threshold value of described demarcation, whether the acceleration figure of the first crash sensor and the output of the second crash sensor judges whether car crass impacts power pack.
Further, when the acceleration figure that a crash sensor and the second crash sensor export is more than first threshold and less than Second Threshold, control unit only judges the high voltage connector of battery bag body outfan.
Further, described control unit include battery assure reason system and be integrated in battery assure reason intrasystem battery safety management chip, described collision detection unit and air-bag module are all connected to described battery safety management chip.
Further, outer casing is provided with the groove of Weakening treatment at the medial wall place relative with aerating gasbag, and the structural strength of outer casing groove is lower than other positions of outer casing.
The invention have the benefit that
The battery of the present invention wraps in periphery and is enclosed with metal internal layer shell, improve the impact strength of battery bag, and, the present invention is also additionally arranged outer casing outside internal layer shell, make to leave between internal layer shell and outer casing containing cavity, and on the four direction of containing cavity, it is respectively provided with aerating gasbag, when detect automobile run into fierce collision jeopardize battery be squeezed or directly clash into time, in time at electrokinetic cell inner housing external opening air bag device, the deformation of collision rift electrokinetic cell and battery excessive deformation is effectively prevented to cause secondary injury.Further, in all component of battery bag is all wrapped in by outer casing by this battery bag, a standard component can be regarded and use, be not only convenient for installing, normally only needing to change its battery bag outer casing and battery bag air-bag module when maintenance, servicing ease is greatly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention batteries of electric automobile bag.
Label declaration:
1, battery bag body；2, battery pack housing；3, collision detection unit；4, air-bag module；5, control unit；21, internal layer shell；22, outer casing；23, containing cavity；31, the first crash sensor；32, the second crash sensor；41, aerating gasbag；42, gas generator.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Referring to Fig. 1, embodiment of the present invention one batteries of electric automobile bag, this battery includes battery bag body 1, battery pack housing 2, collision detection unit 3, air-bag module 4 and control unit 5.
Wherein, described battery bag body 1 is for providing power supply for electric automobile, and it includes two or more battery cell, and the outfan of battery bag body is provided with high voltage connector, can control the output of battery bag power supply by controlling high voltage connector.
Described battery pack housing 2 includes the internal layer shell 21 being wrapped in outside battery bag body 1 and the outer casing 22 being arranged at internal layer shell 21 periphery, described internal layer shell 21 is metal shell, outer casing 22 is plastic casing, and between internal layer shell 21 and outer casing 22, all around, four direction is reserved with containing cavity 23 respectively.
Described collision detection unit 3 is arranged in described containing cavity 23, and including two or more crash sensor, the first crash sensor 31 is for detecting the collision dynamics in longitudinal direction of car direction, and the second crash sensor 32 is for detecting the collision dynamics of vehicular transverse direction.
Described air-bag module 4 includes four aerating gasbags 41 and the gas generator 42 corresponding with aerating gasbag, and four aerating gasbags 41 are respectively arranged in the containing cavity 23 of four direction all around.
Described control unit 5 is connected with collision detection unit 3 and air-bag module 4 respectively, control unit judges, according to the output signal of the first crash sensor 31 and the second crash sensor 32, the direction that vehicle is impacted, and by the threshold ratio exporting signal and demarcation of the first crash sensor and the second crash sensor relatively, when the output signal of the first crash sensor and/or the second crash sensor is more than the threshold value demarcated, control unit triggers the gas generator of the aerating gasbag corresponding with crash direction and aerating gasbag is inflated.
Such as when electric automobile front is clashed into, acceleration signal is sent to control unit by the first crash sensor 31 and the second crash sensor 32, compare with demarcation threshold value after being calculated inside control unit, when finding that only X positive direction impact strength is more than the threshold value demarcated before, then control unit judges in 5～10ms and puts the gas generator of quick-fried dead ahead, gas is full of battery bag aerating gasbag within 20～30ms, air bag breaks through outer casing and the plastic material safety guard constraint of battery in gas replenishment process, launch to dead ahead, airbag is formed between battery pack housing and rammer, battery bag inner components is played buffer protection function.In like manner, when the positive negative direction impact strength of X and Y both is greater than the threshold value demarcated before, then gas generator 1-4 puts quick-fried, and four air bags all launch forward.
Present embodiment is by whether collision detection unit detection automobile collides; and whether collision jeopardizes battery bag safety; when automobile is subject to the shock jeopardizing battery bag safety; make the air bag being arranged on electrokinetic cell in time at electrokinetic cell inner housing external opening airbag apparatus; thus realizing, from electrokinetic cell bag body exterior, electrokinetic cell bag body interior structure is carried out buffer protection in collision accident; alleviate the car crass impact to battery bag, effectively prevent collision rift electrokinetic cell excessive deformation to cause secondary injury.
In order to control the position that when aerating gasbag flicks, outer casing pops accurately, at outer casing, the medial wall place relative with aerating gasbag is provided with the groove of Weakening treatment, the structural strength of outer casing groove is lower than other positions of outer casing, so that aerating gasbag pops from groove.
Wherein, in the present embodiment, first crash sensor 31 and the second crash sensor 32 are respectively arranged on the internal front of battery bag and axis, left side, described first crash sensor and the second crash sensor are acceleration transducer, control unit is by judging more than predetermined first threshold, whether the acceleration figure of the first crash sensor and the output of the second crash sensor judges whether automobile collides, and by judging more than the threshold value of described demarcation, whether the acceleration figure of the first crash sensor and the output of the second crash sensor judges whether car crass impacts power pack.When the acceleration figure that a crash sensor and the second crash sensor export is more than first threshold and less than Second Threshold, control unit only judges the high voltage connector of battery bag body outfan.
The ignition threshold value of gas generator determines according to battery pack housing deformation extent in electric automobile collision process.If electric automobile battery bag inner housing deformation extent under a certain impact conditions reaches to jeopardize battery bag inner housing design margin when causing internal modification, short circuit or leakage, then the determined threshold value of this impact conditions is the threshold value that air bag must be lighted a fire, and this threshold value will carry out battery pack housing collision deformation special project in automobile research process and demarcate.
In the present embodiment, described control unit 5 include battery assure reason system and be integrated in battery assure reason intrasystem battery safety management chip, described battery safety management chip is preferably ABMS chip, and described collision detection unit and air-bag module are all connected to described battery safety management chip.
Embodiment of the present invention is enclosed with metal internal layer shell in battery bag periphery, improve the impact strength of battery bag, and present embodiment battery bag is also additionally arranged outer casing and the plastic material safety guard of battery outside internal layer shell, air bag is placed between battery bag inner housing and the plastic material safety guard of battery, this plastic safety covers on does H type Weakening treatment with air bag opposite position, it is simple to air bag explosion；Do not detect that electric automobile runs into fierce collision and jeopardizes battery when being squeezed or directly clash into, the present invention can in time at electrokinetic cell inner housing external opening air bag device, effectively the deformation of prevention collision rift electrokinetic cell and excessive deformation and cause secondary injury.Further, in all component of battery bag is all wrapped in by outer casing by this battery bag, a standard component can be regarded and use, be not only convenient for installing, normally only needing to change its battery bag outer casing and battery bag air-bag module when maintenance, servicing ease is greatly improved.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a batteries of electric automobile bag, it is characterised in that include battery bag body, battery pack housing, collision detection unit, air-bag module and control unit；
Described battery bag body includes two or more battery cell, and the outfan of battery bag body is provided with high voltage connector；
Described battery pack housing includes being wrapped in this external internal layer shell of battery bag and being arranged at the outer casing of internal layer shell periphery, described internal layer shell is metal shell, outer casing is plastic casing, and between internal layer shell and outer casing, all around, four direction is reserved with containing cavity respectively；
Described collision detection unit is arranged in described containing cavity, and including two or more crash sensor, the first crash sensor is for detecting the collision dynamics in longitudinal direction of car direction, and the second crash sensor is for detecting the collision dynamics of vehicular transverse direction；
Described air-bag module includes four aerating gasbags and the gas generator corresponding with aerating gasbag, and four aerating gasbags are respectively arranged in the containing cavity of four direction all around；
Described control unit is connected with collision detection unit and air-bag module respectively, control unit judges, according to the output signal of the first crash sensor and the second crash sensor, the direction that vehicle is impacted, and by the threshold ratio exporting signal and demarcation of the first crash sensor and the second crash sensor relatively, when the output signal of the first crash sensor and/or the second crash sensor is more than the threshold value demarcated, control unit triggers the gas generator of the aerating gasbag corresponding with crash direction and aerating gasbag is inflated.
2. batteries of electric automobile bag according to claim 1, it is characterized in that, described first crash sensor and the second crash sensor are acceleration transducer, more than predetermined first threshold, whether the acceleration figure that control unit exports by judging the first crash sensor and the second crash sensor judges whether automobile collides, and by judging more than the threshold value of described demarcation, whether the acceleration figure of the first crash sensor and the output of the second crash sensor judges whether car crass impacts power pack.
3. batteries of electric automobile bag according to claim 2, it is characterized in that, when the acceleration figure that a crash sensor and the second crash sensor export is more than first threshold and less than Second Threshold, control unit only judges the high voltage connector of battery bag body outfan.
4. batteries of electric automobile bag according to claim 1, it is characterized in that, described control unit include battery assure reason system and be integrated in battery assure reason intrasystem battery safety management chip, described collision detection unit and air-bag module are all connected to described battery safety management chip.
5. batteries of electric automobile bag according to claim 1, it is characterised in that outer casing is provided with the groove of Weakening treatment at the medial wall place relative with aerating gasbag, the structural strength of outer casing groove is lower than other positions of outer casing.
6. a batteries of electric automobile bag protection device, it is characterised in that this battery bag includes battery bag body and battery pack housing, this battery bag protection device includes collision detection unit, air-bag module and control unit；
Described battery bag body includes two or more battery cell, and the outfan of battery bag body is provided with high voltage connector；
Described battery pack housing includes being wrapped in this external internal layer shell of battery bag and being arranged at the outer casing of internal layer shell periphery, described internal layer shell is metal shell, outer casing is plastic casing, and between internal layer shell and outer casing, all around, four direction is reserved with containing cavity respectively；
Described collision detection unit is arranged in described containing cavity, and including two or more crash sensor, the first crash sensor is for detecting the collision dynamics in longitudinal direction of car direction, and the second crash sensor is for detecting the collision dynamics of vehicular transverse direction；
Described air-bag module includes four aerating gasbags and the gas generator corresponding with aerating gasbag, and four aerating gasbags are respectively arranged in the containing cavity of four direction all around；
Described control unit is connected with collision detection unit and air-bag module respectively, control unit judges, according to the output signal of the first crash sensor and the second crash sensor, the direction that vehicle is impacted, and by the threshold ratio exporting signal and demarcation of the first crash sensor and the second crash sensor relatively, when the output signal of the first crash sensor and/or the second crash sensor is more than the threshold value demarcated, control unit triggers the gas generator of the aerating gasbag corresponding with crash direction and aerating gasbag is inflated.
7. batteries of electric automobile bag according to claim 6 protection device; it is characterized in that; described first crash sensor and the second crash sensor are acceleration transducer; more than predetermined first threshold, whether the acceleration figure that control unit exports by judging the first crash sensor and the second crash sensor judges whether automobile collides, and by judging more than the threshold value of described demarcation, whether the acceleration figure of the first crash sensor and the output of the second crash sensor judges whether car crass impacts power pack.
8. batteries of electric automobile bag according to claim 7 protection device; it is characterized in that; when the acceleration figure that a crash sensor and the second crash sensor export is more than first threshold and less than Second Threshold, control unit only judges the high voltage connector of battery bag body outfan.
9. batteries of electric automobile bag according to claim 6 protection device; it is characterized in that; described control unit include battery assure reason system and be integrated in battery assure reason intrasystem battery safety management chip, described collision detection unit and air-bag module are all connected to described battery safety management chip.
10. batteries of electric automobile bag apparatus according to claim 6, it is characterised in that outer casing is provided with the groove of Weakening treatment at the medial wall place relative with aerating gasbag, the structural strength of outer casing groove is lower than other positions of outer casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610160998.0A CN105810854B (en) | 2016-03-21 | 2016-03-21 | A kind of batteries of electric automobile packet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610160998.0A CN105810854B (en) | 2016-03-21 | 2016-03-21 | A kind of batteries of electric automobile packet |
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| CN105810854A true CN105810854A (en) | 2016-07-27 |
| CN105810854B CN105810854B (en) | 2018-10-02 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585354A (en) * | 2016-12-23 | 2017-04-26 | 苏州精控能源科技有限公司 | Bump processing apparatus and method of electric automobile |
| CN108075076A (en) * | 2016-11-17 | 2018-05-25 | 马勒国际有限公司 | For the energy storage of motor vehicles |
| CN108068740A (en) * | 2016-11-09 | 2018-05-25 | 法乐第(北京)网络科技有限公司 | Power battery protection device and electric vehicle |
| CN108134028A (en) * | 2018-01-10 | 2018-06-08 | 孟书芳 | A kind of good battery cell case of anti-seismic performance |
| CN109920947A (en) * | 2019-01-23 | 2019-06-21 | 广东工业大学 | A kind of battery ejection protective device of high temperature-proof and anticollision |
| CN110265597A (en) * | 2019-06-20 | 2019-09-20 | 深圳鸿鹏新能源科技有限公司 | Intelligent lithium battery case and new energy car battery packet |
| CN110936826A (en) * | 2019-12-18 | 2020-03-31 | 新昌县羽林街道全利机械厂 | Anti-collision new energy automobile battery protection assembly easy to install |
| CN111347859A (en) * | 2018-12-21 | 2020-06-30 | 郑州宇通客车股份有限公司 | Vehicle-mounted battery anti-collision system and vehicle |
| CN112200935A (en) * | 2020-09-29 | 2021-01-08 | 广州小鹏汽车科技有限公司 | Data processing method and device |
| CN113140856A (en) * | 2020-01-02 | 2021-07-20 | 广州汽车集团股份有限公司 | Battery protection device and electric automobile |
| CN113715626A (en) * | 2021-08-31 | 2021-11-30 | 安徽江淮汽车集团股份有限公司 | Anti-collision air bag assembly for power battery pack |
| CN113764769A (en) * | 2020-06-01 | 2021-12-07 | 沃尔沃汽车公司 | Battery airbag for vehicle battery and battery explosion-proof method |
| CN113948813A (en) * | 2020-07-17 | 2022-01-18 | 上海汽车集团股份有限公司 | Explosion-proof control system and method for power battery |
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| CN111347859B (en) * | 2018-12-21 | 2021-12-21 | 郑州宇通客车股份有限公司 | Vehicle-mounted battery anti-collision system and vehicle |
| CN109920947A (en) * | 2019-01-23 | 2019-06-21 | 广东工业大学 | A kind of battery ejection protective device of high temperature-proof and anticollision |
| CN110265597A (en) * | 2019-06-20 | 2019-09-20 | 深圳鸿鹏新能源科技有限公司 | Intelligent lithium battery case and new energy car battery packet |
| CN110936826A (en) * | 2019-12-18 | 2020-03-31 | 新昌县羽林街道全利机械厂 | Anti-collision new energy automobile battery protection assembly easy to install |
| CN113140856A (en) * | 2020-01-02 | 2021-07-20 | 广州汽车集团股份有限公司 | Battery protection device and electric automobile |
| CN113764769A (en) * | 2020-06-01 | 2021-12-07 | 沃尔沃汽车公司 | Battery airbag for vehicle battery and battery explosion-proof method |
| CN113764769B (en) * | 2020-06-01 | 2023-06-30 | 沃尔沃汽车公司 | Battery airbag for vehicle battery and battery explosion-proof method |
| CN113948813A (en) * | 2020-07-17 | 2022-01-18 | 上海汽车集团股份有限公司 | Explosion-proof control system and method for power battery |
| CN113948813B (en) * | 2020-07-17 | 2024-02-06 | 上海汽车集团股份有限公司 | Explosion-proof control system and method for power battery |
| CN112200935A (en) * | 2020-09-29 | 2021-01-08 | 广州小鹏汽车科技有限公司 | Data processing method and device |
| WO2022068285A1 (en) * | 2020-09-29 | 2022-04-07 | 广州小鹏汽车科技有限公司 | Data processing method and device |
| CN113715626A (en) * | 2021-08-31 | 2021-11-30 | 安徽江淮汽车集团股份有限公司 | Anti-collision air bag assembly for power battery pack |
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Address after: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee after: Yundu New Energy Automobile Co.,Ltd. Address before: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee before: FJ MOTOR GROUP, YUDO NEW-ENERGY AUTOMOBILE Co.,Ltd. Address after: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee after: Yundu New Energy Vehicle Co.,Ltd. Address before: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee before: Yundu New Energy Automobile Co.,Ltd. |