CN106207283A - A kind of supervising device of vehicle-mounted multiple-connected battery group - Google Patents
A kind of supervising device of vehicle-mounted multiple-connected battery group Download PDFInfo
- Publication number
- CN106207283A CN106207283A CN201610591970.2A CN201610591970A CN106207283A CN 106207283 A CN106207283 A CN 106207283A CN 201610591970 A CN201610591970 A CN 201610591970A CN 106207283 A CN106207283 A CN 106207283A
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- CN
- China
- Prior art keywords
- module
- battery
- connected battery
- vehicle
- battery group
- 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
-
- 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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
Abstract
The present invention relates to the supervising device of a kind of vehicle-mounted multiple-connected battery group, multiple-connected battery group is made up of the multiple-connected battery module of multiple series connection, described multiple-connected battery module is made up of the battery cell of multiple parallel connections, this device includes: accumulator battery controller: in order to obtain the Monitoring Data of vehicle-mounted multiple-connected battery group, be monitored vehicle-mounted multiple-connected battery group；Multiple-connected battery module monitors assembly: be connected with accumulator battery controller and multiple-connected battery module respectively, in order to obtain the voltage of multiple-connected battery module and the electric current of the most each battery cell and temperature；Load monitoring assembly: be connected with accumulator battery controller and multiple-connected battery module respectively, in order to obtain main line electric current and the total voltage of multiple-connected battery group, in order to realize the driving control to load.Compared with prior art, the present invention has and is applicable to the advantages such as monitoring in parallel, monitoring range be wide.
Description
Technical field
The present invention relates to electric automobile and plug-in hybrid-power automobile field of battery management, especially relate to a kind of vehicle-mounted
The supervising device of multiple-connected battery group.
Background technology
At present, along with electric automobile, the fast development of plug-in hybrid-power automobile, to its continual mileage and power-supply system
The highest requirement of reliability.Being difficult to make the higher battery of specific energy under existing battery material system, engineering should
It is the parallel connection by battery in realize the raising of battery capacity and then promote electric automobile or plug-in hybrid vapour
The continual mileage of car.But, while improving battery pack capacity, the quantity of battery unit the most significantly increases.Traditional pin
The a considerable amount of battery cells being under parallel connection cannot be entered by the series-connected cell supervising device of series battery design
The effective monitoring of row, management, leave for electric automobile, the power-supply system safety of plug-in hybrid-power automobile, reliability
Hidden danger.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide one to be applicable to prison in parallel
Survey, the supervising device of the wide vehicle-mounted multiple-connected battery group of monitoring range.
The purpose of the present invention can be achieved through the following technical solutions:
The supervising device of a kind of vehicle-mounted multiple-connected battery group, multiple-connected battery group is by the multiple-connected battery module of multiple series connection
Composition, described multiple-connected battery module is made up of the battery cell of multiple parallel connections, and this device includes:
Accumulator battery controller: in order to obtain the Monitoring Data of vehicle-mounted multiple-connected battery group, to vehicle-mounted multiple-connected battery group
It is monitored；
Multiple-connected battery module monitors assembly: be connected with accumulator battery controller and multiple-connected battery module respectively, in order to
Obtain the voltage of multiple-connected battery module and the electric current of the most each battery cell and temperature；
Load monitoring assembly: be connected with accumulator battery controller and multiple-connected battery module respectively, in order to obtain storage in parallel
The main line electric current of set of cells and total voltage, in order to realize the driving control to load.
Described multiple-connected battery module monitors assembly include control module, multiple-connected battery module voltage measurement module,
Battery cell current measurement module and battery cell temperature-measuring module, described multiple-connected battery module voltage measurement module,
Battery cell current measurement module and battery temperature measurement module are connected with control module by A/D convertor circuit respectively, described
Control module is connected with accumulator battery controller by first communication module.
Described multiple-connected battery module voltage measurement module includes interconnective first differential amplification unit and first
Low-pass filter unit, the first described differential amplification unit is arranged in parallel at multiple-connected battery module two ends, and described first is low
Pass filtering unit is connected with A/D convertor circuit.
Shunt resistance that described battery cell current measurement module includes being sequentially connected with, measure gating unit, second poor
Dividing amplifying unit and the second low-pass filter unit, described shunt resistance is provided with multiple, is connected on multiple-connected battery module respectively
Anode collection plate and the positive pole of each battery cell between, the second described low-pass filter unit is connected with A/D convertor circuit.
Described battery cell temperature-measuring module includes signal condition unit and is arranged on each battery cell pole
Thermocouple, described thermocouple, measure gating unit, signal condition unit and A/D convertor circuit and be sequentially connected with.
Described load monitoring assembly includes that positive pole main relay, pre-charge circuit, negative pole main relay, total voltage are measured
Module and main line current measurement module, described total voltage measurement module is connected in parallel on multiple-connected battery group positive and negative end, described
Multiple-connected battery group positive pole, positive pole main relay, pre-charge circuit, motor load, negative pole main relay and multiple-connected battery
Group negative pole is sequentially connected with.
Described control module is connected with A/D convertor circuit by second communication module.
This supervising device also includes that power supply module, described power supply module include a boosting voltage regulation unit, described boosting
Voltage regulation unit input is connected with the both positive and negative polarity collector plate of multiple-connected battery module, outfan and multiple-connected battery module monitors group
Part connects.
Compared with prior art, the invention have the advantages that
One, it is applicable to monitoring in parallel: can only realize, with existing, the connect monitoring of battery module battery unit, way to manage
Difference, apparatus and method proposed by the invention are capable of voltage in multiple-connected battery module, battery unit electric current and temperature
Measurement, monitoring；
Two, monitoring range is wide: the present invention obtains batteries in parallel connection cell voltage based on measurement, electric current, temperature are easily achieved electricity
The diagnosis early warning of pool unit state estimation and fault thereof.
Accompanying drawing explanation
Fig. 1 is assembly of the invention structural representation.
Fig. 2 is the structural representation of the power supply module of the present invention.
Wherein, 101, accumulator battery controller, 102, multiple-connected battery module, 103, first communication module, 104, in parallel
Battery module monitor component, 111, thermocouple, 112, control module, 113, measure gating unit, the 114, first differential amplification
Unit, the 115, first low-pass filter unit, the 116, second differential amplification unit, the 117, signal condition unit, 118, second communication
Module, 119, A/D convertor circuit, the 120, second low-pass filter unit, 130, shunt resistance, 141, positive pole main relay, 142, pre-
Charging circuit, 143, negative pole main relay, 144, total voltage measurement module, 145, main line current measurement module, 150, motor bears
Carry, 211, power supply module, 212, boosting voltage regulation unit.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment:
As it is shown in figure 1, accumulator battery is in series by two multiple-connected battery modules 102, each multiple-connected battery module
102 are formed in parallel by 6 secondary battery units.The cell sizes that embodiment is given is the cylinder ternary material electricity of 18650 types
Pond.Shunt resistance 130 known to the positive pole of each single battery in multiple-connected battery module 102 and a resistance value is connected
After, then connected together by anode collection plate, negative pole is the most directly connected by collector plate.Needs according to system design are only
Measure the pole temperature of two secondary battery units, and in certain embodiments, measuring temperature spot can have more.Measure choosing
Logical unit is used for gating each temperature spot temperature of measurement or each series shunt resistance 130 both end voltage.Survey through thermocouple 111
The signal of telecommunication of the sign temperature measured is input in A/D convertor circuit 119 after signal condition unit 117, through shunting electricity
Resistance 130 sign that obtains of measurement flows through the voltage signal of battery cell size of current through the second differential amplification unit 116 and the
It is input in A/D convertor circuit 119 after two low-pass filter units 120.Passing through, the first difference being connected with both positive and negative polarity collector plate is put
Big unit 114 inputs after the voltage of multiple-connected battery module is carried out differential amplification to the first low-pass filter unit 115, then
Also enter in A/D convertor circuit 119.Transformation result is transmitted to control module 112, control module 112 by A/D convertor circuit 119
Just it has been calculated and has flow through the electric current of secondary battery unit, secondary battery unit pole temperature and the voltage of multiple-connected battery module.
In order to more preferable management of battery group, multiple-connected battery module monitors assembly 104 is respectively by above voltage, electricity
Stream, temperature data are uploaded to accumulator battery controller 101, meanwhile, accumulator battery controller 101 by first communication module 103
Also it is connected with main line current measurement module 145 and total voltage measurement module 144 and obtains accumulator battery main line electric current and always to measure
Voltage, and control positive pole main relay 141, negative pole main relay 143 and pre-charge circuit 142 and finally realize such as synchronizing electronic
The driving of the motor loads such as machine 150.
When being embodied as the present invention, for each unit in the multiple-connected battery module in the present invention, the power supply of circuit
Can implement by scheme as shown in Figure 2, the boosting voltage regulation unit 212 in power supply module 211 is with multiple-connected battery module 102 just
Negative pole is connected, and after boosting voltage regulation unit 212, the cell voltage being originally used for 2.5V～4.2V fluctuation is stabilized in 5V output,
Thus each unit in multiple-connected battery module monitors device, the power supply of circuit.
In certain embodiments, the resistance wire that shunt resistance 130 can use resistance to demarcate in advance replaces, the most just
The additional function of resistance wire can be realized.
Claims (8)
1. a supervising device for vehicle-mounted multiple-connected battery group, multiple-connected battery group is by the multiple-connected battery module of multiple series connection
(102) composition, described multiple-connected battery module (102) is made up of the battery cell of multiple parallel connections, it is characterised in that this device
Including:
Accumulator battery controller (101): in order to obtain the Monitoring Data of vehicle-mounted multiple-connected battery group, to vehicle-mounted multiple-connected battery group
It is monitored；
Multiple-connected battery module monitors assembly (104): respectively with accumulator battery controller (101) and multiple-connected battery module
(102) connect, in order to obtain the voltage of multiple-connected battery module (102) and the electric current of the most each battery cell and temperature；
Load monitoring assembly: be connected with accumulator battery controller (101) and multiple-connected battery module (102) respectively, in order to obtain
The main line electric current of multiple-connected battery group and total voltage, in order to realize the driving control to load.
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 1, it is characterised in that described parallel connection
Battery module monitor component (104) includes control module (112), multiple-connected battery module voltage measurement module, battery cell
Current measurement module and battery cell temperature-measuring module, described multiple-connected battery module voltage measurement module, battery cell
Current measurement module and battery temperature measurement module are connected with control module (112) by A/D convertor circuit (119) respectively, described
Control module (112) be connected with accumulator battery controller (101) by first communication module (103).
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 2, it is characterised in that described parallel connection
Battery module voltage measurement module includes interconnective first differential amplification unit (114) and the first low-pass filter unit
(115), described the first differential amplification unit (114) is arranged in parallel multiple-connected battery module (102) two ends, described first
Low-pass filter unit (115) is connected with A/D convertor circuit (119).
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 2, it is characterised in that described battery
Monomer current measurement module includes the shunt resistance (130) being sequentially connected with, measures gating unit (113), the second differential amplification list
Unit (116) and the second low-pass filter unit (120), described shunt resistance (130) is provided with multiple, is connected on electric power storage in parallel respectively
Between anode collection plate and the positive pole of each battery cell of pond module (102), described the second low-pass filter unit (120) with
A/D convertor circuit (119) connects.
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 4, it is characterised in that described battery
Monomer temperature measurement module includes signal condition unit (117) and the thermocouple (111) being arranged on each battery cell pole,
Described thermocouple (111), measurement gating unit (113), signal condition unit (117) and A/D convertor circuit (119) connect successively
Connect.
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 1, it is characterised in that described load
Monitor component includes that positive pole main relay (141), pre-charge circuit (142), negative pole main relay (143), total voltage measure mould
Block (144) and main line current measurement module (145), described total voltage measurement module (144) is just being connected in parallel on multiple-connected battery group
Negative pole two ends, described multiple-connected battery group positive pole, positive pole main relay (141), pre-charge circuit (142), motor load
(150), negative pole main relay (143) and multiple-connected battery group negative pole are sequentially connected with.
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 2, it is characterised in that described control
Module (112) is connected with A/D convertor circuit (119) by second communication module (118).
The supervising device of a kind of vehicle-mounted multiple-connected battery group the most according to claim 1, it is characterised in that this supervising device
Also include that power supply module (211), described power supply module (211) include a boosting voltage regulation unit (212), described boosting voltage stabilizing
Unit (212) input is connected with the both positive and negative polarity collector plate of multiple-connected battery module, outfan and multiple-connected battery module monitors
Assembly (104) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591970.2A CN106207283A (en) | 2016-07-26 | 2016-07-26 | A kind of supervising device of vehicle-mounted multiple-connected battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591970.2A CN106207283A (en) | 2016-07-26 | 2016-07-26 | A kind of supervising device of vehicle-mounted multiple-connected battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106207283A true CN106207283A (en) | 2016-12-07 |
Family
ID=57494942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610591970.2A Pending CN106207283A (en) | 2016-07-26 | 2016-07-26 | A kind of supervising device of vehicle-mounted multiple-connected battery group |
Country Status (1)
| Country | Link |
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| CN (1) | CN106207283A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081976A (en) * | 2017-10-31 | 2018-05-29 | 湖南文理学院 | A kind of Multifunctional battery manages system |
| CN110431427A (en) * | 2017-03-17 | 2019-11-08 | 三洋电机株式会社 | Current detector |
| CN112440817A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Battery management system and method and electric automobile |
| CN112751399A (en) * | 2019-10-31 | 2021-05-04 | 中车株洲电力机车研究所有限公司 | Energy storage system |
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Application publication date: 20161207 |