CN107719149A - A kind of electrokinetic cell safety management system - Google Patents
A kind of electrokinetic cell safety management system Download PDFInfo
- Publication number
- CN107719149A CN107719149A CN201710753098.1A CN201710753098A CN107719149A CN 107719149 A CN107719149 A CN 107719149A CN 201710753098 A CN201710753098 A CN 201710753098A CN 107719149 A CN107719149 A CN 107719149A
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- CN
- China
- Prior art keywords
- management system
- battery
- electrokinetic cell
- electric automobile
- cell safety
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- 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
Links
- 230000001133 acceleration Effects 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 18
- 239000003792 electrolyte Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of electrokinetic cell safety management system, including battery bag, battery management system and gyroscope；Battery bag includes multiple battery modules and multiple contactors, and battery pack for electric automobile in providing power；Each contactor is connected between two neighboring battery modules, for the electrical connection between two neighboring battery modules to be opened or closed；Battery management system is connected with each contactor and gyroscope, and gyroscope is used for the angular movement parameter detected and acceleration is transmitted to battery management system；Battery management system estimates that the body gesture of electric automobile and travel speed change by angular movement parameter and acceleration, and judges whether electric automobile overturns or collide；If electric automobile occurs to overturn or collision, battery management system control each contactor to disconnect.A kind of electrokinetic cell safety management system provided by the invention, electrokinetic cell system security incident caused by electric automobile collision or high pressure caused by short circuit of overturning can be prevented.
Description
【Technical field】
The present invention relates to electric vehicle engineering field, more particularly to a kind of electrokinetic cell safety management system.
【Background technology】
Collision is one of mostly important safety problem of electric automobile, compared to traditional combustion engine automobile, due to dynamical system
The particularity of system, the security system design of electric automobile are increasingly complex.If vehicle occur during charging and traveling collision,
The accident such as overturn, the short circuit of dynamical system, electric leakage, burning, blast etc. may be caused, electricity injury, chemical is thus caused to occupant
Injury, burning injury etc..When a vehicle is in a collision, in collision process and collision rift will ensure related personnel the person peace
Entirely.Due to the general collision safety problem of the existing conventional fuel oil car of electric automobile, there is the high-pressure impingement of pure electric automobile safe again
Problem.Therefore, for pure electric automobile, in addition to the related protection demand of orthodox car, electronic vapour should also be met
The high-voltage safety condition of car.
The real time status information of vehicle is generally sent to by existing electric automobile by entire car controller by communication bus
Battery management system, then control whether electrokinetic cell is electric automobile according to the real time status information of vehicle by battery management system
Motor power supply, the accident but if electric automobile collides or overturned etc., then may result in communication bus and be broken, and then lead
Communicating interrupt is caused, the failure for causing entire car controller key message to transmit, finally causes the expansion of security incident or even can not draw
Rescue.
In consideration of it, real be necessary to provide a kind of new electrokinetic cell safety management system to overcome drawbacks described above.
【The content of the invention】
It is an object of the invention to provide a kind of electrokinetic cell safety management system, and electrokinetic cell system can be prevented because electronic
Car crass or security incident caused by high pressure caused by short circuit of overturning.
To achieve these goals, the present invention provides a kind of electrokinetic cell safety management system, including battery bag, cell tube
Reason system and gyroscope；The battery bag, the battery management system and the gyroscope may be contained within battery case；The electricity
Chi Bao includes multiple battery modules and multiple contactors, and the battery pack for electric automobile in providing power；Each contactor
It is connected between two neighboring battery modules, for the electrical connection between two neighboring battery modules to be opened or closed；The electricity
Pond management system is connected with each contactor and the gyroscope, the gyroscope be used for the angular movement parameter that is detected and
Acceleration is transmitted to the battery management system；The battery management system estimates electricity by the angular movement parameter and acceleration
Body gesture and the travel speed change of electrical automobile, and judge whether electric automobile overturns or collide；If electric automobile is sent out
Raw to overturn or collide, the battery management system controls each contactor to disconnect.
In a preferred embodiment, the battery management system is to the angular movement parameter and acceleration that receive
Estimate that the body gesture of electric automobile and travel speed change by Kalman filtering.
In a preferred embodiment, the electrokinetic cell safety management system also includes insulation monitoring module, described
Insulation monitoring module is arranged in battery case and is connected with the battery management system, and the insulation monitoring module is used to detect institute
State the state of insulation of battery bag and transmit the state of insulation detected to the battery management system, if the battery bag
Leak electricity, the battery management system controls each contactor to disconnect.
In a preferred embodiment, the electrokinetic cell safety management system also includes leakage detection module, described
Leakage detection module is arranged in battery case and is connected with the battery management system, and the leakage detection module is used to detect institute
State the electrolyte of the leakage of the cell in battery case and transmit the electrolyte value detected to the battery management system, if
The electrolyte value is more than default electrolyte value, and the battery management system controls each contactor to disconnect.
In a preferred embodiment, the electrokinetic cell safety management system also includes relief valve, the relief valve
It is arranged in battery case, the relief valve is used for when the pressure in the battery case reaches preset pressure, automatically turns on right
The battery case carries out pressure release.
In a preferred embodiment, each battery modules include multiple cells.
The electrokinetic cell safety management system of the present invention, by the way that the high-tension battery bag is divided into multiple low-voltages
Battery modules, contactor is set between two adjacent battery modules, and gyroscope is set on electric automobile, gyroscope
Angular movement parameter and acceleration can be accurately detected, the BMS can estimate electricity by the angular movement parameter and acceleration
Body gesture and the travel speed change of electrical automobile, and judge whether electric automobile overturns or collide, it is electronic so as to avoid
Automobile because high voltage caused by the battery bag short circuit causes on fire or explosion accident generation, also by insulation monitoring module,
Leakage detection module and relief valve, further prevent the generation of battery case security incident.
【Brief description of the drawings】
Fig. 1 is the theory diagram for the electrokinetic cell safety management system that embodiment of the present invention provides.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with this hair
Accompanying drawing in bright embodiment, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that retouched
The embodiment stated only a part of embodiment of the present invention, rather than whole embodiments.Based on the reality in the present invention
Apply mode, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to the scope of protection of the invention.
Referring to Fig. 1, a kind of electrokinetic cell safety management system 100 provided by the invention, including battery bag 10, BMS
(BATTERYMANAGEMENT SYSTEM, battery management system) 20 and gyroscope 30.The battery bag 10, the BMS20 and
The gyroscope 30 may be contained within battery case 200.The battery bag 10 includes multiple battery modules 11 and multiple contactors 12,
Each battery modules 11 will not cause the on fire of battery case 200 or blast, i.e., each battery modules 11 in the case of its short circuit
The on fire of battery case 200 or blast will not also be caused even if short circuit, the short-circuit voltage of each battery modules 11 is low-voltage.Each
Battery modules 11 include multiple cells, and the battery bag 10 is used to provide power for electric automobile.Each contactor 12 connects
It is connected between two neighboring battery modules 11, for the electrical connection between two neighboring battery modules 11 to be opened or closed.It is described
BMS20 is connected with each contactor 12 and the gyroscope 30.The gyroscope 30 is used for the angular movement parameter detected
And acceleration transmits to the BMS20, the BMS20 and the vehicle body of electric automobile is estimated by the angular movement parameter and acceleration
Posture and travel speed change, and judge whether electric automobile overturns or collide.If electric automobile occurs to overturn or collision,
The BMS20 controls each contactor 12 to disconnect, so as to avoid electric automobile because of high voltage caused by the short circuit of battery bag 10
Cause on fire or explosion accident generation.
In the present embodiment, the battery bag 10 is divided into by the multiple battery mould by extreme short circuit test method
Group 11, i.e., the high-tension battery bag 10 is divided into the battery modules 11 of multiple low-voltages.The BMS20 is to receiving
The angular movement parameter and acceleration estimate that the body gesture of electric automobile and travel speed change by Kalman filtering.
The electrokinetic cell safety management system 100 also includes insulation monitoring module 50, leakage detection module 60 and pressure release
Valve 70.The insulation monitoring module 50, the leakage detection module 60 and the relief valve 70 may be contained within battery case 200.
The insulation monitoring module 50 is connected with the BMS20, and the insulation monitoring module 50 is used to detect the battery
The state of insulation of bag 10 simultaneously transmits the state of insulation detected to the BMS20, if the battery bag 10 is leaked electricity,
The BMS20 controls each contactor 12 to disconnect, and prevents the battery case 200 from electric leakage accident occurs.
The leakage detection module 60 is connected with the BMS20, and the leakage detection module 60 is used to detect the battery
The electrolyte of cell leakage in case 200 simultaneously transmits the electrolyte value detected to the BMS20, if the electrolyte
Value is more than default electrolyte value, and the BMS20 controls each contactor 12 to disconnect, prevents the electrolyte inside value of battery case 200
Catching fire.
The relief valve 70 is used for when the pressure in the battery case 200 reaches preset pressure, automatically turns on to electricity
Pond case 200 carries out pressure release, prevents battery case 200 from being exploded because pressure is excessive.
The electrokinetic cell safety management system 100 of the present invention, it is multiple by the way that the high-tension battery bag 10 is divided into
The battery modules 11 of low-voltage, contactor 12 is set between two adjacent battery modules 11, and set on electric automobile
Gyroscope 30, gyroscope 30 can accurately detect angular movement parameter and acceleration, and the BMS20 can pass through the angular movement
Parameter and acceleration estimation electric automobile body gesture and travel speed change, and judge electric automobile whether occur overturn or
Collision, so as to avoid electric automobile because high voltage caused by the short circuit of battery bag 10 causes on fire or explosion accident generation,
Also by insulation monitoring module 50, leakage detection module 60 and relief valve 70, the hair of the security incident of battery case 200 is further prevented
It is raw.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (6)
- A kind of 1. electrokinetic cell safety management system, it is characterised in that：Including battery bag, battery management system and gyroscope；Institute Battery bag, the battery management system and the gyroscope is stated to may be contained within battery case；The battery bag includes multiple batteries Module and multiple contactors, the battery pack for electric automobile in providing power；Each contactor is connected to two neighboring electricity Between the module of pond, for the electrical connection between two neighboring battery modules to be opened or closed；The battery management system with it is each Contactor and the gyroscope are connected, and the gyroscope is used for the angular movement parameter detected and acceleration is transmitted to described Battery management system；The battery management system estimates the body gesture of electric automobile by the angular movement parameter and acceleration And travel speed change, and judge whether electric automobile overturns or collide；If electric automobile occurs to overturn or collision, described Battery management system controls each contactor to disconnect.
- 2. electrokinetic cell safety management system as claimed in claim 1, it is characterised in that：The battery management system is to receiving The angular movement parameter and acceleration arrived estimates that the body gesture of electric automobile and travel speed change by Kalman filtering.
- 3. electrokinetic cell safety management system as claimed in claim 1, it is characterised in that：The electrokinetic cell safety management system System also includes insulation monitoring module, and the insulation monitoring module is arranged in battery case and is connected with the battery management system, The insulation monitoring module is used to detect the state of insulation of the battery bag and transmits the state of insulation detected to institute Battery management system is stated, if the battery bag is leaked electricity, the battery management system controls each contactor to disconnect.
- 4. electrokinetic cell safety management system as claimed in claim 1, it is characterised in that：The electrokinetic cell safety management system System also includes leakage detection module, and the leakage detection module is arranged in battery case and is connected with the battery management system, The electrolyte for the cell leakage that the leakage detection module is used to detect in the battery case and the electrolyte that will be detected Value is transmitted to the battery management system, if the electrolyte value is more than default electrolyte value, the battery management system control Each contactor disconnects.
- 5. electrokinetic cell safety management system as claimed in claim 1, it is characterised in that：The electrokinetic cell safety management system System also includes relief valve, and the relief valve is arranged in battery case, and the relief valve is used for when the pressure in the battery case reaches During to preset pressure, automatically turn on to carry out pressure release to the battery case.
- 6. electrokinetic cell safety management system as claimed in claim 1, it is characterised in that：Each battery modules include multiple lists Body battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753098.1A CN107719149A (en) | 2017-08-29 | 2017-08-29 | A kind of electrokinetic cell safety management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753098.1A CN107719149A (en) | 2017-08-29 | 2017-08-29 | A kind of electrokinetic cell safety management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107719149A true CN107719149A (en) | 2018-02-23 |
Family
ID=61204751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753098.1A Pending CN107719149A (en) | 2017-08-29 | 2017-08-29 | A kind of electrokinetic cell safety management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107719149A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649174A (en) * | 2018-12-05 | 2019-04-19 | 江苏敏安电动汽车有限公司 | Initiative Defence System under electric car emergency braking |
| CN110061536A (en) * | 2019-03-04 | 2019-07-26 | 安徽力高新能源技术有限公司 | A kind of battery management system of multivoltage matching power supply |
| CN110271433A (en) * | 2018-03-15 | 2019-09-24 | 奥迪股份公司 | For the battery system that can dynamically cut off of motor vehicle, the method for running the battery system that can dynamically cut off and motor vehicle |
| CN110293876A (en) * | 2019-06-05 | 2019-10-01 | 东北电力大学 | A kind of fail battery of battery pack/battery modules are cut off online/substitutes circuit |
| CN111137132A (en) * | 2018-11-02 | 2020-05-12 | 河南森源重工有限公司 | Electric automobile collision power-off control method and system and electric automobile |
| CN111907372A (en) * | 2020-08-13 | 2020-11-10 | 陕西工业职业技术学院 | New energy automobile battery monitoring system |
| CN111976491A (en) * | 2020-08-27 | 2020-11-24 | 内蒙古莱拓汽车科技有限公司 | Safety protection system of trackless rubber-tyred vehicle |
| CN112498167A (en) * | 2020-12-10 | 2021-03-16 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Charging method and charging system for battery replacing box |
-
2017
- 2017-08-29 CN CN201710753098.1A patent/CN107719149A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271433A (en) * | 2018-03-15 | 2019-09-24 | 奥迪股份公司 | For the battery system that can dynamically cut off of motor vehicle, the method for running the battery system that can dynamically cut off and motor vehicle |
| CN111137132A (en) * | 2018-11-02 | 2020-05-12 | 河南森源重工有限公司 | Electric automobile collision power-off control method and system and electric automobile |
| CN109649174A (en) * | 2018-12-05 | 2019-04-19 | 江苏敏安电动汽车有限公司 | Initiative Defence System under electric car emergency braking |
| CN110061536A (en) * | 2019-03-04 | 2019-07-26 | 安徽力高新能源技术有限公司 | A kind of battery management system of multivoltage matching power supply |
| CN110293876A (en) * | 2019-06-05 | 2019-10-01 | 东北电力大学 | A kind of fail battery of battery pack/battery modules are cut off online/substitutes circuit |
| CN110293876B (en) * | 2019-06-05 | 2022-10-18 | 东北电力大学 | On-line cutting-off/replacing circuit for fault battery/battery module of battery pack |
| CN111907372A (en) * | 2020-08-13 | 2020-11-10 | 陕西工业职业技术学院 | New energy automobile battery monitoring system |
| CN111976491A (en) * | 2020-08-27 | 2020-11-24 | 内蒙古莱拓汽车科技有限公司 | Safety protection system of trackless rubber-tyred vehicle |
| CN112498167A (en) * | 2020-12-10 | 2021-03-16 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Charging method and charging system for battery replacing box |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180223 |
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| WD01 | Invention patent application deemed withdrawn after publication |