CN206379435U - battery management system and automobile - Google Patents
battery management system and automobile Download PDFInfo
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- CN206379435U CN206379435U CN201621469391.2U CN201621469391U CN206379435U CN 206379435 U CN206379435 U CN 206379435U CN 201621469391 U CN201621469391 U CN 201621469391U CN 206379435 U CN206379435 U CN 206379435U
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- battery management
- battery
- management unit
- management system
- control unit
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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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Abstract
What the utility model was provided discloses a kind of battery management system and automobile.The battery management system includes：The battery management unit group cascaded by two or more battery management unit, wherein, each battery management unit in the battery management unit group is coupled with a battery modules respectively；The battery electric control unit coupled with the battery management unit in the battery management unit group；Wherein, the battery management unit is used at least such as the next item down information for managing battery modules：Information of voltage, temperature information and charge and discharge balancing information；The battery electric control unit is used to realize at least such as the next item down processing to each battery management unit in the battery management unit group：Battery charging and discharging is protected and battery electric quantity metering.The battery management system that the utility model is provided can effectively improve the space availability ratio of system.
Description
Technical field
The utility model belongs to battery energy storage technical field, more particularly to a kind of battery management system and automobile.
Background technology
With the development of the regenerative resource industry such as nuclear energy, wind energy, solar energy, energy storage technology emerges rapidly.
Battery is as the power resources of energy-storage system, and the problem of management of battery is just particularly important.It presently, there are one kind
Distributed battery management system, for realizing the management to battery pack in energy-storage system, the tool of the distributed battery management system
Body implementation is as follows：One battery management unit (BMU, Battery Management Unit) of each Battery pack correspondence, leads to
Cross BMU to be managed the voltage of respective battery group, temperature, equalization information etc., the information collected is passed through control by each BMU
Device LAN (CAN, Controller Area Network) bus processed is sent to battery electric control unit (Battery
Electronic Control Unit) complete battery charging and discharging protection, the function such as electric quantity metering.
Although above-mentioned distributed battery management system can realize the distributed management of battery pack, however, in the distribution
It is separate between each BMU in battery management system, and each BMU is required for communicating with BECU by CAN, makes
Wiring in the system of obtaining is lengthy and jumbled, low space utilization.
Utility model content
The utility model provides a kind of battery management system and automobile, the space availability ratio for improving system.
To achieve the above object, battery management system of the present utility model includes：
The battery management unit group cascaded by two or more battery management unit, wherein, the battery management unit
Each battery management unit in group is coupled with a battery modules respectively；
The battery electric control unit coupled with the battery management unit in the battery management unit group；
Wherein, the battery management unit is used at least such as the next item down information for managing battery modules：Information of voltage, temperature
Information and charge and discharge balancing information；
The battery electric control unit is used to realize to each battery management unit in the battery management unit group
At least as the next item down is handled：Battery charging and discharging is protected and battery electric quantity metering.
It is preferred that, the battery electric control unit is built by the control chip of the isolated communication interface of integrated capacitance.
It is preferred that, the control chip is specially model BQ76PL455A-Q1 control chip.
It is preferred that, the battery electric control unit is especially by universal asynchronous receiving-transmitting transmitter and the battery management list
Battery management unit coupling in tuple.
It is preferred that, the battery management system is included：Battery electric control unit described in two or more；
The battery management system is also included：Coupled respectively with battery electric control unit each described, for described
The heap battery management unit of data statistics and coordinated management is carried out between the whole battery modules of battery management system.
It is preferred that, coupled between the heap battery management unit and the battery electric control unit using CAN.
It is preferred that, each battery management unit in the battery management unit group especially by daisy chain mode level
Connection.
Automobile of the present utility model includes：Foregoing any battery management system.
As seen from the above technical solution, multiple battery management units are cascaded into battery management unit in the utility model
Group, and the battery management unit in battery management unit group is coupled with battery electric control unit, same electricity is realized with this
Multiple battery management units in the administrative unit groups of pond are communicated by a battery management unit with battery electric control unit.Relatively
In traditional distributed battery management system, the utility model need not be by each battery management unit and battery electron control
Unit connection processed, therefore, it is possible to wiring lengthy and jumbled in effective reduction system, improves the space availability ratio of system.
Brief description of the drawings
Fig. 1 is a kind of battery management system structural representation that the utility model embodiment is provided；
Fig. 2 is another battery management system structural representation that the utility model embodiment is provided；
Fig. 3 is a kind of vehicle structure schematic diagram that the utility model embodiment is provided.
Embodiment
In order that the purpose of this utility model, technical scheme and beneficial effect are more clearly understood, below in conjunction with accompanying drawing and
Embodiment, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to
The utility model is explained, is not used to limit the utility model.
The battery management system that refer in Fig. 1, the utility model includes；
By two or more battery management unit (such as battery management unit 111, battery management unit 112 to electricity in Fig. 1
The battery management unit group 11 of pond administrative unit 11n cascades, wherein, each battery management in battery management unit group 11
Unit can specifically be cascaded by way of daisy chain, or, each battery management unit in battery management unit group 11 also may be used
Cascade, be not construed as limiting herein otherwise.Each battery management unit in battery management unit group 11 is electric with one respectively
Pond module coupling, as shown in figure 1, battery management unit 111 is coupled with battery modules 101, accordingly, battery management unit 112
Coupled with battery modules 102, battery management unit 11n is coupled with battery modules 10n.It should be understood that working as battery management unit
When group 11 only includes two battery management units, then the battery management unit 11n shown in Fig. 1 can be regarded as being not present, accordingly,
Battery modules 10n also is understood as being not present.Above-mentioned battery management unit (battery management unit subsequently is referred to as into BMU) can use
In management battery modules at least such as the next item down information：Information of voltage, temperature information and charge and discharge balancing information.That is, BMU can
Management for realizing the voltage to battery modules, temperature, charge and discharge balancing etc..
As shown in Figure 1, the battery management system in the utility model also includes：With the electricity in battery management unit group 11
The battery electric control unit 21 of pond administrative unit coupling.Battery electric control unit 21 is (subsequently by battery electric control unit
Referred to as BECU) it can be used for realizing at least such as the next item down processing to 11 each battery management unit in battery management unit group：
Battery charging and discharging is protected and battery electric quantity metering.That is, BECU can be used for completing battery charging and discharging protection and battery electric quantity metering etc.
Function.It should be noted that Fig. 1 is to couple to be illustrated with battery management unit 11n with battery electric control unit 21, at it
In its embodiment, battery electric control unit 21 can also be with other any battery administrative units in battery management unit group 11
Coupling, is not construed as limiting herein.
Optionally, battery electric control unit 21 passes through universal asynchronous receiving-transmitting transmitter (UART, Universal
Asynchronous Receiver and Transmitter) with battery management unit group 11 in a battery management unit coupling
Close, to realize that it is single that multiple battery management units in battery management unit group 11 are controlled by single UART interface and battery electron
Member 21 communicates, and completes the functions such as battery charging and discharging protection, battery electric quantity metering.
Specifically, battery electric control unit 21 can be built by the control chip of the isolated communication interface of integrated capacitance.Electricity
The control chip of pond electronic control unit can be acquired to the voltage and temperature of the battery modules comprising multiple batteries simultaneously.Often
Individual control chip can at most be monitored and balanced 16 batteries.The voltage sampling signal and temperature sampling signal of battery can pass through filtering
Feeding control chip uploaded after correlation acquisition judgement processing after device (such as RC wave filters) filtering.More specifically, the control
Chip can select model BQ76PL455A-Q1 control chip, by the integrated high speed of the control chip, difference, electric capacity every
From formula communication interface, 16 BMU can be at most allowed to be communicated by single UART interface with BECU.
Further, the battery management system in the utility model can be extended to the scene of multi-series and parallel connection.Then in Fig. 1 institutes
Show on the basis of embodiment, as shown in Fig. 2 battery management system includes two or more BECU, and the battery management system is also wrapped
Include：Coupled respectively with each BECU, for carrying out data statistics and coordination between the whole battery modules of the battery management system
The heap battery management unit (heap battery management unit is subsequently referred to as BSMU) of management.From Figure 2 it can be seen that each BECU with comprising
BMU couplings in multiple BMU battery management unit group.
Specifically, controller LAN (CAN, Controller Area can be used between above-mentioned BSMU and above-mentioned BECU
Network) bus is coupled, that is, can be communicated between above-mentioned BSMU and above-mentioned BECU by CAN protocol.
As seen from the above technical solution, multiple battery management units are cascaded into battery management in the utility model embodiment
Unit group, and the battery management unit in battery management unit group is coupled with battery electric control unit, realized together with this
Multiple battery management units in one battery management unit group are communicated by a battery management unit with battery electric control unit.
Relative to traditional distributed battery management system, the utility model need not be by each battery management unit and battery electricity
Sub-control unit is connected, and therefore, it is possible to wiring lengthy and jumbled in effective reduction system, improves the space availability ratio of system.
The utility model also provides a kind of automobile, and automobile 30 as shown in Figure 3 is configured with battery management system 31.Specifically
Ground, the battery management system that the battery management system 31 that automobile 30 is configured can be as shown in Figure 1 or 2, here is omitted.
It should be noted that preferred embodiment of the present utility model is the foregoing is only, product of the present utility model
Form is not limited to this case diagram and embodiment, all any modifications made within spirit of the present utility model and principle, etc.
With replacement and improvement etc., it should be included within protection domain of the present utility model.
Claims (8)
1. a kind of battery management system, it is characterised in that including：
The battery management unit group cascaded by two or more battery management unit, wherein, in the battery management unit group
Each battery management unit coupled respectively with a battery modules；
The battery electric control unit coupled with the battery management unit in the battery management unit group；
Wherein, the battery management unit is used at least such as the next item down information for managing battery modules：Information of voltage, temperature information
And charge and discharge balancing information；
The battery electric control unit is used to realize to each battery management unit in the battery management unit group at least
Such as the next item down processing：Battery charging and discharging is protected and battery electric quantity metering.
2. battery management system according to claim 1, it is characterised in that the battery electric control unit is by integrated electricity
The control chip for holding isolated communication interface is built.
3. battery management system according to claim 2, it is characterised in that the control chip is specially model
BQ76PL455A-Q1 control chip.
4. battery management system according to claim 2, it is characterised in that the battery electric control unit especially by
Universal asynchronous receiving-transmitting transmitter is coupled with the battery management unit in the battery management unit group.
5. the battery management system according to any one of Claims 1-4, it is characterised in that the battery management system bag
Contain：Battery electric control unit described in two or more；
The battery management system is also included：Coupled respectively with battery electric control unit each described, in the battery
The heap battery management unit of data statistics and coordinated management is carried out between the whole battery modules of management system.
6. battery management system according to claim 5, it is characterised in that the heap battery management unit and the battery
Coupled between electronic control unit using CAN.
7. the battery management system according to any one of Claims 1-4, it is characterised in that the battery management unit group
In each battery management unit cascaded especially by the mode of daisy chain.
8. a kind of automobile, it is characterised in that the configuration of automobiles is just like any one of claim 1 to 7 battery management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469391.2U CN206379435U (en) | 2016-12-29 | 2016-12-29 | battery management system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469391.2U CN206379435U (en) | 2016-12-29 | 2016-12-29 | battery management system and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN206379435U true CN206379435U (en) | 2017-08-04 |
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ID=59408408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621469391.2U Active CN206379435U (en) | 2016-12-29 | 2016-12-29 | battery management system and automobile |
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| Country | Link |
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| CN (1) | CN206379435U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703413A (en) * | 2018-12-22 | 2019-05-03 | 北京工业大学 | A kind of enhanced battery management system |
| CN111722116A (en) * | 2019-03-22 | 2020-09-29 | 宁德时代新能源科技股份有限公司 | Battery management system and detection method thereof |
| CN112193122A (en) * | 2019-07-08 | 2021-01-08 | 北京德意新能科技有限公司 | Chrysanthemum chain structure battery management system applied to energy storage system |
| CN112217275A (en) * | 2020-09-10 | 2021-01-12 | 浙江衡睿科技有限公司 | Vehicle-mounted double-battery system |
-
2016
- 2016-12-29 CN CN201621469391.2U patent/CN206379435U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703413A (en) * | 2018-12-22 | 2019-05-03 | 北京工业大学 | A kind of enhanced battery management system |
| CN111722116A (en) * | 2019-03-22 | 2020-09-29 | 宁德时代新能源科技股份有限公司 | Battery management system and detection method thereof |
| CN111722116B (en) * | 2019-03-22 | 2021-10-01 | 宁德时代新能源科技股份有限公司 | Battery management system and detection method thereof |
| CN112193122A (en) * | 2019-07-08 | 2021-01-08 | 北京德意新能科技有限公司 | Chrysanthemum chain structure battery management system applied to energy storage system |
| CN112217275A (en) * | 2020-09-10 | 2021-01-12 | 浙江衡睿科技有限公司 | Vehicle-mounted double-battery system |
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