CN106611884A - Battery management system for electric vehicle - Google Patents
Battery management system for electric vehicle Download PDFInfo
- Publication number
- CN106611884A CN106611884A CN201510690937.0A CN201510690937A CN106611884A CN 106611884 A CN106611884 A CN 106611884A CN 201510690937 A CN201510690937 A CN 201510690937A CN 106611884 A CN106611884 A CN 106611884A
- Authority
- CN
- China
- Prior art keywords
- unit
- management system
- battery
- battery management
- processing unit
- 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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery management system for an electric vehicle. The battery management system is characterized by comprising a collection unit, a judgment unit, a transmission unit, a control module, a charging protection unit, a processing unit and an alarm unit, wherein the control unit is connected with the processing unit, the transmission unit and the charging protection unit separately; the alarm unit is connected with the processing unit; and the collection unit, the judgment unit and the transmission unit are sequentially connected. Compared with the prior art, the battery management system has the advantages that the control unit measures total voltage of a battery pack, battery working current and insulation resistance at relatively high accuracy, and carries out data analysis and fault judgment on battery work data collected from the collection unit according to a preset fault threshold, carries out comprehensive analysis on the basis of the battery work data according to battery protection requirements and overall vehicle control requirements, gives alarm information of a battery system, and reflects the battery work data, the alarm information and the working state of the battery management system to on-board equipment in real time through a bus for data exchange with the overall vehicle, so that the battery management system is safer and more reliable and has real time and efficiency on management of power batteries of the electric vehicle.
Description
Technical field
The present invention relates to electric vehicle engineering field, specifically a kind of battery management system for electric automobile.
Background technology
The appearance of automobile more than 100 years, experienced from Europe manual production to the U.S. automated production, to
The lean production three phases of Japan.The appearance of automobile promotes expanding economy, improves the life of people, but
Be orthodox car use bring the energy, environmental protection and secure context problem.Therefore people have turned one's attention to electricity
On electrical automobile.Modern electric automobile has energy utilization rate height, energy variation, low noise, zero-emission pollutant
Deng prominent advantage, become one of important vehicles of 21st century, DEVELOPMENT PROSPECT is wide, and obtains the world
The great attention of national governments, automobile production enterprise and scientific research institution.For electric automobile, battery management system
The energy content of battery that system is consumed during being not only required to correctly monitor use, and be required to predict remaining battery
Electricity, battery management system is one of electric automobile key technology, and dump energy and power level can be carried out
Prediction, union intelligent charge and security diagnostics are in one.Existing battery management system mainly with single-chip microcomputer as core,
Which adopts distributed network control system structure, by the various operational factors of single-chip microcomputer real-time processing electrokinetic cell,
Such as battery SOC (i.e. battery charge state), total current, total voltage, monomer battery voltage, battery case interior temperature
Degree, carries out fault diagnosis and warning etc., but, this existing battery management system relies primarily on single-chip microcomputer and carries out
Signal processing, single-chip microcomputer Work overload, not enough, system is usually because anti-for the real-time of its dynamics of management battery
Should be safe and reliable enough not in time and not, it is not ideal enough for the efficiency of management of electrokinetic cell.Accordingly, it would be desirable to a kind of new
The battery management system of type.
The content of the invention
For the problems referred to above that prior art is present, the present invention provides a kind of battery management system for electric automobile, to solve
The real-time of certainly existing dynamics of management battery not enough, system usually because reaction it is safe and reliable enough not in time and not, for
The dissatisfactory technical problem of the efficiency of management of electrokinetic cell.
For achieving the above object, the technical solution used in the present invention is as follows：
A kind of battery management system for electric automobile, including collecting unit, judging unit, transmitting element, control module,
Charge protection unit, processing unit and alarm unit, control unit connect processing unit, transmitting element and charger respectively
Shield unit, alarm unit and processing unit connection, collecting unit, judging unit and transmitting element are sequentially connected.
Used as a kind of preferred version, the control module includes total current detector unit, total voltage detector unit and insulation
Resistance detection unit.
Used as a kind of preferred version, the collecting unit includes temperature sensor.
Used as a kind of preferred version, the processing unit is central processing unit.
Used as a kind of preferred version, the alarm unit sends warning for the abnormality data according to battery management system
Prompting.
As a kind of preferred version, the also recording unit including connection on the control unit.
The beneficial effects of the present invention is：The present invention control unit with degree of precision measurement set of cells obtain total voltage,
Battery operated electric current, insulation resistance, and to the battery operated data that gather from controller according to failure set in advance
Threshold value carries out data analysiss and breakdown judge, requires according to battery protection on this basis and full-vehicle control requires to carry out
Comprehensive analysis, provides the warning message of battery system, by with the bus of car load data exchange by battery operated data,
Warning message and battery management system itself working condition real time reaction are to mobile unit, so that so that the electricity
Pond management system is more safe and reliable, and the management to electric automobile power battery has more real-time and efficiency.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Specific embodiment
The present invention is made further to illustrate in detail, intactly with reference to Figure of description.
A kind of battery management system for electric automobile, as shown in figure 1, a kind of battery management for electric automobile
System, including collecting unit, judging unit, transmitting element, control module, charge protection unit, processing unit and report
Alert unit, control unit connect processing unit, transmitting element and charge protection unit respectively, and alarm unit and processing unit connect
Connect, collecting unit, judging unit and transmitting element are sequentially connected.
Wherein, the collecting unit includes temperature sensor, and the processing unit is central processing unit.Collecting unit is used to adopt
Collect the status data of the status data and battery management system of corresponding set of cells, judging unit is for according to the set of cells
Whether just the status data of status data and the battery management system judges the state of the state and battery management system of set of cells
Often, transmitting element is for determining in the judging unit during abnormal state of state or battery management system of set of cells, by institute
The abnormality data is activation of abnormality data and battery management system of set of cells is stated to control module.
Wherein, the control module includes total current detector unit, total voltage detector unit and insulation resistance detector unit,
The alarm unit sends alarm for the abnormality data according to battery management system.
Battery management system also includes connection recording unit on the control unit, for the correlation letter of real time record control module
Breath.
Claims (6)
1. a kind of battery management system for electric automobile, it is characterised in that：Including collecting unit, judging unit, send single
Unit, control module, charge protection unit, processing unit and alarm unit, control unit connect processing unit respectively, send out
Unit and charge protection unit, alarm unit and processing unit connection are sent, collecting unit, judging unit and transmitting element are sequentially
Connection.
2. the battery management system for electric automobile according to claim 1, it is characterised in that：The control module bag
Include total current detector unit, total voltage detector unit and insulation resistance detector unit.
3. the battery management system for electric automobile according to claim 1, it is characterised in that：The collecting unit bag
Include temperature sensor.
4. the battery management system for electric automobile according to claim 1, it is characterised in that：The processing unit is
Central processing unit.
5. the battery management system for electric automobile according to claim 1, it is characterised in that：The alarm unit is used
Alarm is sent in the abnormality data according to battery management system.
6. the battery management system for electric automobile according to claim 1, it is characterised in that：Also include being connected to control
Recording unit on unit processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690937.0A CN106611884A (en) | 2015-10-22 | 2015-10-22 | Battery management system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690937.0A CN106611884A (en) | 2015-10-22 | 2015-10-22 | Battery management system for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106611884A true CN106611884A (en) | 2017-05-03 |
Family
ID=58610415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510690937.0A Pending CN106611884A (en) | 2015-10-22 | 2015-10-22 | Battery management system for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106611884A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3462199A3 (en) * | 2017-09-21 | 2019-05-01 | Samsung SDI Co., Ltd. | Battery pack diagnostic apparatus |
| CN112327681A (en) * | 2020-10-14 | 2021-02-05 | 北京三快在线科技有限公司 | Power supply control device, fault positioning method, device, medium, and unmanned device |
| CN112349981A (en) * | 2020-11-04 | 2021-02-09 | 中天鸿锂清源股份有限公司 | Battery management system |
| DE202021105689U1 (en) | 2021-10-19 | 2021-11-11 | Punit Kumar Dwivedi | Intelligent system to improve the condition of the batteries of electric vehicles through machine learning and artificial intelligence |
-
2015
- 2015-10-22 CN CN201510690937.0A patent/CN106611884A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3462199A3 (en) * | 2017-09-21 | 2019-05-01 | Samsung SDI Co., Ltd. | Battery pack diagnostic apparatus |
| US10916814B2 (en) | 2017-09-21 | 2021-02-09 | Samsung Sdi Co., Ltd. | Battery pack diagnostic apparatus for analyzing a state of a battery pack according to various measurement values |
| CN112327681A (en) * | 2020-10-14 | 2021-02-05 | 北京三快在线科技有限公司 | Power supply control device, fault positioning method, device, medium, and unmanned device |
| CN112349981A (en) * | 2020-11-04 | 2021-02-09 | 中天鸿锂清源股份有限公司 | Battery management system |
| DE202021105689U1 (en) | 2021-10-19 | 2021-11-11 | Punit Kumar Dwivedi | Intelligent system to improve the condition of the batteries of electric vehicles through machine learning and artificial intelligence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170503 |