CN108415334A - A kind of BMS main control modules of three CPU - Google Patents
A kind of BMS main control modules of three CPU Download PDFInfo
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- CN108415334A CN108415334A CN201810298027.1A CN201810298027A CN108415334A CN 108415334 A CN108415334 A CN 108415334A CN 201810298027 A CN201810298027 A CN 201810298027A CN 108415334 A CN108415334 A CN 108415334A
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- cpu
- bms
- main control
- charging
- bms main
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24182—Redundancy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Debugging And Monitoring (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of BMS main control modules of three CPU, main control module including BMS, BMS main control boards are provided on the main control module of BMS, it is provided with alarm module on BMS main control boards, control CPU is provided on BMS main control boards, the side of control CPU is provided with data processing CPU, and the other side for controlling CPU is provided with charging CPU, and the side for the CPU that charges is provided with power circuit.The BMS main control modules complete the work of a CPU using three CPU points of cooperations altogether.The work load for effectively mitigating a CPU ensures the more stable working conditions of BMS.It is cooperated by three CPU, the work load of a conventional CPU can be mitigated, data sharing that again can be by three CPU and mutual data check, to monitor the working condition of BMS in real time, it can timely and effectively find the failure of any CPU, BMS working conditions are effectively monitored, ensure that safer and more effective working condition.The present invention realizes a kind of safer, reliable, stable BMS main control modules.
Description
Technical field
The present invention relates to a kind of BMS main control modules, more particularly relate to a kind of BMS main control modules of three CPU.
Background technology
Currently, the main control module of common cell management system of electric automobile (BMS), includes mainly one piece of governor circuit
Plate, a master chip (CPU) is and if its dry circuit.The institute of BMS main control modules is functional all to be completed by this host CPU, reception
Data are also only stored entirely on this host CPU.But such BMS main control modules, it is used for the battery management system of automotive grade
On, in safety stability etc., there is definitely hidden danger.First, a host CPU is responsible for all control functions of BMS,
Work load is very heavy, once control function design is excessively responsible for, it is likely that occur because the thread of processing is excessive and system collapses
Routed phenomenon, that is, commonly referred BMS crash phenomenons.Such BMS is used for electric vehicle, once it goes wrong, it will
Lead to the phenomenon that battery is out of control and roadside breakdown, consequence is very serious.Secondly, only there are one CPU to store all data, to CPU
Memory headroom require big, since data do not back up, once certain loss of data, can not restore or judge, lead to that BMS's is reliable
Property is relatively low.If CPU breaks down or loss of data is serious, it cannot find or correctly alarm in time, to electric vehicle troubleshooting
Also it has a certain impact.
For the above, a kind of safe and reliable, stable cell management system of electric automobile master control mould how is invented
Block implementation method becomes our problems in the urgent need to address, solves the problems, such as to propose in background technology.
Invention content
The present invention realizes a kind of safer, reliable, stable BMS main control modules.
In order to solve the above technical problem, the present invention provides the following technical solutions：
The present invention provides a kind of BMS main control modules of three CPU, include the main control module of BMS, the master control mould of the BMS
It is provided with BMS main control boards on block, is provided with alarm module on the BMS main control boards, on the BMS main control boards
The side for being provided with control CPU, the control CPU is provided with data processing CPU, and the other side of the control CPU, which is provided with, to be filled
The side of electric CPU, the charging CPU are provided with power circuit.
As a preferred technical solution of the present invention, the control CPU is connect with the charging CPU bi-directional datas, institute
It states control CPU to connect with the data processing CPU bi-directional datas, the charging CPU and the two-way company of data processing cpu data
It connects, the power circuit output end connects the charging CPU input terminals.
As a preferred technical solution of the present invention, the main control module of the BMS includes mainly one piece of BMS master control
Circuit board, three main control chips, the power circuit and other several circuits, all devices on the BMS main control boards
Part is connected by circuit board line.
As a preferred technical solution of the present invention, described three main control chips include the control CPU, described
The data processing CPU and charging CPU.
The advantageous effect that is reached of the present invention is：The device is a kind of BMS main control modules of three CPU, the master control mould of three CPU
Block implementation method completes the work of a CPU using three CPU points of cooperations altogether.The work load for effectively mitigating a CPU, is protected
Demonstrate,prove the more stable working conditions of BMS.Meanwhile being cooperated by three CPU, the work load of a conventional CPU can be mitigated,
Data sharing and mutual data check that again can be by three CPU can have in time to monitor the working condition of BMS in real time
Effect ground finds the failure of any CPU, effectively monitors BMS working conditions.It ensure that safer and more effective working condition.The present invention
Realize a kind of safer, reliable, stable BMS main control modules.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention；
In figure：1, the main control module of BMS；2, BMS main control boards；3, CPU is controlled；4, data processing CPU；5, it charges
CPU；6, data；7, power circuit；8, alarm module.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1, the present invention provides a kind of BMS main control modules of three CPU, include the main control module 1 of BMS, the master of BMS
BMS main control boards 2 are provided in control module 1, alarm module 8, BMS main control boards 2 are provided on BMS main control boards 2
On be provided with control CPU3, the side for controlling CPU3 is provided with data processing CPU4, and the other side for controlling CPU3 is provided with charging
The side of CPU5, the CPU5 that charges are provided with power circuit 7.
Control CPU3 is connect with charging CPU5 bi-directional datas, and control CPU3 is connect with data processing CPU4 bi-directional datas, is filled
Electric CPU5 is connect with data processing CPU4 data double-ways, 7 output end of power circuit connection charging CPU5 input terminals.
The main control module 1 of BMS include mainly the main control chip of one piece of BMS main control board 2, three, power circuit and
If other dry circuits, all devices are connected by circuit board line on BMS main control boards 2.
Three main control chip CPU include control CPU3, data processing CPU4 and charging CPU5, and control CPU3 is responsible for control
System strategy, data processing CPU4 are responsible for data processing, and charging CPU5 is responsible for charging, cooperates, complete the conventional func of BMS.
When specific work, when normal work, the control CPU3 of the main control module 1 of BMS is responsible for control strategy, data processing
CPU4 is responsible for data processing, and charging CPU5 is responsible for charging, and the institute of three CPU cooperative cooperatings, common completion BMS main control modules is active
Energy.Meanwhile three CPU carry out data analysis to all data 6 of reception, verify in real time, and be compared to each other.
When failure, due to the data check comparing function of three CPU, data check result and the third of two CPU
The check results of CPU compare, and lockout issue CPU and can pass through alarm user by alarm module 8 in time when failure, realize
The main control module implementation method that safety and reliability is stablized.
The advantageous effect that is reached of the present invention is：The device is a kind of BMS main control modules of three CPU, the master control mould of three CPU
Block implementation method completes the work of a CPU using three CPU points of cooperations altogether.The work load for effectively mitigating a CPU, is protected
Demonstrate,prove the more stable working conditions of BMS.Meanwhile being cooperated by three CPU, the work load of a conventional CPU can be mitigated,
Data sharing and mutual data check that again can be by three CPU can have in time to monitor the working condition of BMS in real time
Effect ground finds the failure of any CPU, effectively monitors BMS working conditions.It ensure that safer and more effective working condition.The present invention
Realize a kind of safer, reliable, stable BMS main control modules.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of BMS main control modules of three CPU include the main control module (1) of BMS, which is characterized in that the master control mould of the BMS
It is provided with BMS main control boards (2) on block (1), alarm module (8), the BMS are provided on the BMS main control boards (2)
Control CPU (3) is provided on main control board (2), the side of the control CPU (3) is provided with data processing CPU (4), described
The other side of control CPU (3) is provided with charging CPU (5), and the side of the charging CPU (5) is provided with power circuit (7).
2. the BMS main control modules of three CPU according to claim 1 a kind of, which is characterized in that the control CPU (3) and institute
Charging CPU (5) bi-directional data connection is stated, the control CPU (3) connect with data processing CPU (4) bi-directional data, described
Charging CPU (5) is connect with data processing CPU (4) data double-way, and power circuit (7) output end connects the charging
CPU (5) input terminal.
3. the BMS main control modules of three CPU according to claim 1 a kind of, which is characterized in that the main control module of the BMS
(1) include mainly one piece of BMS main control board (2), three main control chips, the power circuit and other several electricity
Road, all devices are connected by circuit board line on the BMS main control boards (2).
4. the BMS main control modules of three CPU according to claim 3 a kind of, which is characterized in that described three main control cores
Piece includes the control CPU (3), the data processing CPU (4) and the charging CPU (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298027.1A CN108415334A (en) | 2018-04-04 | 2018-04-04 | A kind of BMS main control modules of three CPU |
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| CN201810298027.1A CN108415334A (en) | 2018-04-04 | 2018-04-04 | A kind of BMS main control modules of three CPU |
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Application publication date: 20180817 |
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