CN108539298A - A kind of cell management system of electric automobile that high and low voltage isolation is opened - Google Patents
A kind of cell management system of electric automobile that high and low voltage isolation is opened Download PDFInfo
- Publication number
- CN108539298A CN108539298A CN201810262169.2A CN201810262169A CN108539298A CN 108539298 A CN108539298 A CN 108539298A CN 201810262169 A CN201810262169 A CN 201810262169A CN 108539298 A CN108539298 A CN 108539298A
- Authority
- CN
- China
- Prior art keywords
- pressure controller
- controller
- management system
- low pressure
- opened
- 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
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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
- H01M10/4207—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
- H01M10/425—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
-
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of cell management system of electric automobile that high and low voltage isolation is opened, including battery pack, low pressure controller and the dual pressure controller communicated to connect with low pressure controller, the battery pack both ends are connected separately with contactor and high voltage component, the contactor is connect with high voltage component, the low pressure controller is communicatively coupled with contactor, and the battery pack is connected in series by several battery cells, and the dual pressure controller is communicatively coupled with each battery cell respectively；A kind of cell management system of electric automobile that high and low voltage isolation is opened keeps apart the high pressure of controller and low pressure processing, so that safety is more guaranteed, and low pressure controller is made into generalization, dual pressure controller makes seriation, matching adapts to different power batteries, the production cost for reducing controller, improves the adaptability of controller.
Description
Technical field
The invention belongs to battery management system technical field more particularly to a kind of batteries of electric automobile that high and low voltage isolation is opened
Management system.
Background technology
Electric automobile power battery is for having safely very high requirement, battery management system to be just for ensuring that battery uses
Safety and raising battery, the battery management system of electric vehicle is divided into integrated form and distribution at present, refers to
Master controller and distribution relation from controller.Master controller itself is again including high-voltage acquisition, Insulation monitoring, data processing meter
The calculating of the functions such as calculation, high-low side driving, CAN communication, wherein high-voltage acquisition and insulation resistance is related to high pressure, all with other functions
It is realized by master controller, is unfavorable for the safety of controller, the class of insulation of controller entirety will also meet the needs of high pressure, unfavorable
In saving cost.
Invention content
The technical problem to be solved by the present invention is to overcome existing technological deficiency, provide a kind of high and low voltage isolation open it is electronic
Automobile batteries manages system, can effectively solve the problems in background technology.
In order to solve the above technical problems, one aspect of the present invention is；
Provide a kind of cell management system of electric automobile that high and low voltage isolation is opened, including battery pack, low pressure controller and with
The dual pressure controller of low pressure controller communication connection, the battery pack both ends are connected separately with contactor and high voltage component, described
Contactor is connect with high voltage component, and the low pressure controller is communicatively coupled with contactor, if the battery pack is by dry cell
Monomer is connected in series, and the dual pressure controller is communicatively coupled with each battery cell respectively.
Further, the low pressure controller is communicatively coupled with dual pressure controller by CAN lines.
Further, the contactor is attached with high voltage component by electrode line.
Further, the high voltage component 5 is motor.
Beneficial effects of the present invention：A kind of cell management system of electric automobile that high and low voltage isolation is opened of the present invention is by controller
High pressure and low pressure processing keep apart so that safety is more guaranteed, and low pressure controller is made generalization, high voltage-controlled
Device processed makes seriation, and matching adapts to different power batteries, reduces the production cost of controller, improve the adaptation of controller
Property.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of cell management system of electric automobile structure diagram that high and low voltage isolation is opened of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected
Range.
As shown in Figure 1, the cell management system of electric automobile that a kind of high and low voltage isolation according to the present invention is opened, including
Battery pack 1, low pressure controller 2 and the dual pressure controller 3 communicated to connect with low pressure controller 2,1 both ends of battery pack difference
It is connected with contactor 4 and high voltage component 5, the contactor 4 is connect with high voltage component 5, the low pressure controller 2 and contactor 4
Be communicatively coupled, the battery pack 1 is connected in series by several battery cells 6, the dual pressure controller 3 respectively with each battery list
Body 6 is communicatively coupled.
In the present embodiment, the low pressure controller 2 is communicatively coupled with dual pressure controller 3 by CAN lines.
In the present embodiment, the contactor 4 is attached with high voltage component 5 by electrode line.
In the present embodiment, the high voltage component 5 is motor.
Specifically, dual pressure controller 3 is responsible for the relevant work of high pressure, include at least：Voltage acquisition, insulation resistance detection etc.
Need the function of contact high pressure；Low pressure controller 2 is responsible for low pressure related work, includes at least：Information processing, high-low side driving,
The low pressure function such as CAN communication；CAN communication is used between dual pressure controller 3 and low pressure controller 2.
In conclusion by means of the above-mentioned technical proposal of the present invention, a kind of electric vehicle that high and low voltage isolation is opened of the present invention
Battery management system keeps apart the high pressure of controller and low pressure processing so that safety is more guaranteed, and by low pressure control
Device processed makes generalization, and dual pressure controller makes seriation, and matching adapts to different power batteries, reduces being produced into for controller
This, improves the adaptability of controller.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (4)
1. a kind of cell management system of electric automobile that high and low voltage isolation is opened, which is characterized in that including battery pack（1）, low pressure control
Device processed（2）And and low pressure controller（2）The dual pressure controller of communication connection（3）, the battery pack（1）Both ends are connected separately with
Contactor（4）And high voltage component（5）, the contactor（4）With high voltage component（5）Connection, the low pressure controller（2）With contact
Device（4）It is communicatively coupled, the battery pack（1）By several battery cells（6）It is connected in series, the dual pressure controller（3）Point
Not with each battery cell（6）It is communicatively coupled.
2. the cell management system of electric automobile that a kind of high and low voltage isolation according to claim 1 is opened, which is characterized in that institute
State low pressure controller（2）With dual pressure controller（3）It is communicatively coupled by CAN lines.
3. the cell management system of electric automobile that a kind of high and low voltage isolation according to claim 2 is opened, which is characterized in that institute
State contactor（4）With high voltage component（5）It is attached by electrode line.
4. the cell management system of electric automobile that a kind of high and low voltage isolation according to claim 3 is opened, which is characterized in that institute
State high voltage component（5）For motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262169.2A CN108539298A (en) | 2018-03-28 | 2018-03-28 | A kind of cell management system of electric automobile that high and low voltage isolation is opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262169.2A CN108539298A (en) | 2018-03-28 | 2018-03-28 | A kind of cell management system of electric automobile that high and low voltage isolation is opened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108539298A true CN108539298A (en) | 2018-09-14 |
Family
ID=63483798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810262169.2A Pending CN108539298A (en) | 2018-03-28 | 2018-03-28 | A kind of cell management system of electric automobile that high and low voltage isolation is opened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108539298A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448045A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Battery management system and electric automobile |
-
2018
- 2018-03-28 CN CN201810262169.2A patent/CN108539298A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448045A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Battery management system and electric automobile |
| CN112448045B (en) * | 2019-08-31 | 2021-11-12 | 比亚迪股份有限公司 | Battery management system and electric automobile |
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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: 20180914 |