CN104539007B - Method and device for distributing identification information to battery monitoring unit - Google Patents
Method and device for distributing identification information to battery monitoring unit Download PDFInfo
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- CN104539007B CN104539007B CN201410779234.0A CN201410779234A CN104539007B CN 104539007 B CN104539007 B CN 104539007B CN 201410779234 A CN201410779234 A CN 201410779234A CN 104539007 B CN104539007 B CN 104539007B
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Abstract
The embodiment of the invention provides a method and a device for distributing identification information to a battery monitoring unit. The method mainly comprises the following steps: the battery management system sends an ID (identity) writing command carrying first ID information to a first battery monitoring unit through a data line and a communication bus, and the first battery monitoring unit writes the first ID information in the ID writing command; the first battery monitoring unit enables an ID request signal to the second battery monitoring unit through a data line, the battery management system sends an ID writing command carrying second ID information to the second battery monitoring unit, and the second battery monitoring unit writes the second ID information in the ID writing command. The invention realizes that only one set of universal programming program is used for writing the ID into all BMUs, only one version of software and hardware of the BMUs is needed, the version management of the software and the hardware is clear, the mass production is facilitated, and the ID distribution and writing efficiency of the BMUs is greatly improved.
Description
Technical field
The present invention relates to media communication technical field, more particularly, to one kind are to BMU (Battery Monitor Unit, electricity
Pond monitoring unit) allocation identification information method and apparatus.
Background technology
Pure electric automobile refers to vehicle power as power, is travelled with power wheel, meets road traffic, safety law
The vehicle of rule requirements.Because the relatively conventional automobile of pure electric automobile effect on environment is less, its prospect is extensively had an optimistic view of.
Battery system is the key component of pure electric automobile, therefore the monitoring to battery is extremely important, current pure electric automobile
Battery detection be to be monitored by several BMU, then pass through CAN (Controller Area Network, bus develop
Controller local area network) network send message located to BMS (BATTERY MANAGEMENT SYSTEM, battery management system)
Reason, ID (mark) number of the corresponding CAN network of different BMU is also different, so when certain BMU breaks down and needs to change BMU,
How the new BMU changing distributes corresponding No. ID, has just become and has compared stubborn problem.
The method that a kind of BMU to battery detection of the prior art distributes No. ID is：The different BMU of correspondence passes through software
Mode directly solidify ID, the monolithic of the id information programming that software solidification node ID mainly will be set by software to BMU
Machine program live periphery EEPROM (Electrically Erasable Programmable Read-Only Memory, powered can
Wipe programmable) in.
The shortcoming of the method that above-mentioned BMU to battery detection of the prior art distributes No. ID is：The method requires to install
The corresponding different programming program of the BMU of diverse location, the different software code of different programming program correspondences, lead to software version
Relatively more, not unified, it is unfavorable for software version management, also lead to complex operation in the offline production process of BMU.And due to soft
Part version has been write with a brush dipped in Chinese ink into BMU, and such BMU just fixes in the position of battery bag, so site installation test personnel is proposed more
High requirement, the quality for the battery bag dispatched from the factory increased hidden danger.
BMU corresponding programming program is all manual operations in an encoding process, is unfavorable for producing in enormous quantities.
Content of the invention
The embodiment provides a kind of method and apparatus to BMU allocation identification information, effectively right to realize
Each BMU distribution and write ID.
According to an aspect of the invention, it is provided a kind of method to BMU allocation identification information, including：
Battery management system passes through data wire and enables ID request signal to first battery monitoring unit, by communication bus
Send to described first battery monitoring unit carry first id information write id command, described first battery monitoring unit
By the described first id information write write in id command；
Described first battery monitoring unit passes through data wire and enables ID request signal, institute to second battery monitoring unit
State battery management system send to described second battery monitoring unit carry second id information write id command, described second
Described second id information write in id command is write by individual battery monitoring unit.
Preferably, described battery management system passes through data wire to first battery monitoring unit enable ID request signal
Also include before：
Battery management system is passed through CAN network connect with each battery monitoring unit respectively, battery management system is led to
Cross data wire and first battery monitoring unit connects, described first battery monitoring unit passes through data wire and second battery
Monitoring unit connects, and described second battery monitoring unit passes through data wire and the 3rd battery monitoring unit connects, class successively
Push away, described N-1 battery monitoring unit passes through data wire and n-th battery monitoring unit connects, described N is battery monitoring unit
Sum.
Preferably, described battery management system passes through data wire to first battery monitoring unit enable ID request letter
Number, sent to described first battery monitoring unit by communication bus carry first id information write id command, described the
Described first id information write in id command is write by one battery monitoring unit, including：
Battery management system passes through communication bus and sends feedback id command, each battery cell monitoring to each battery monitoring unit
After unit receives feedback id command, feed back the ID of oneself, described cell tube to described battery management system by communication bus
Reason system is according to the corresponding relation between the battery monitoring unit prestoring and ID to each battery monitoring unit receiving
ID verified；
After described verification is obstructed, described battery management system is enabled to first battery monitoring unit by data wire
ID request signal, sends ID study order, described first battery by communication bus to described first battery monitoring unit
After monitoring unit receives described ID study order and monitors described ID request signal, enter ID mode of learning, to described battery
Management system is fed into mode of learning, and described battery management system passes through communication bus to described first battery monitoring unit
Send and carry the id command of writing of first id information, described first battery monitoring unit is by described first writing in id command
Id information is written in its internal memory.
Preferably, first described battery monitoring unit passes through data wire please to second battery monitoring unit enable ID
Seek signal, the ID that writes that described battery management system carries second id information to described second battery monitoring unit transmission orders
Order, described second id information write in id command is write by described second battery monitoring unit, including：
Described first battery monitoring unit writes described first id information in its internal memory and operates successfully
Afterwards, ID successful information is write to described battery management system feedback by communication bus, and exit ID mode of learning, by data
Line enables ID request signal to second battery monitoring unit；
Described battery management system receive described first battery monitoring unit feedback write ID successful information after, pass through
Communication bus sends ID study order to described second battery monitoring unit, and described second battery monitoring unit receives described
After ID study is ordered and monitored described ID request signal, enter ID mode of learning, be fed into described battery management system
Mode of learning, described battery management system passes through communication bus and carries second ID to described second battery monitoring unit transmission
Information write id command, described second id information write in id command is written in it described second battery monitoring unit
In the memory in portion.
Preferably, second described battery monitoring unit is by after the described second id information write write in id command
Also include：
Described second battery monitoring unit passes through data wire and enables ID request signal, institute to the 3rd battery monitoring unit
State battery management system send to described 3rd battery monitoring unit carry the 3rd id information write id command, the described 3rd
Described the 3rd id information write in id command is write by individual battery monitoring unit；
Repeat said process, after all battery monitoring unit all write id information operation success, described battery
Management system is passed through communication bus and is carried out normal work order to the transmission of all battery monitoring unit.
A kind of another aspect according to embodiments of the present invention, there is provided dress to battery monitoring unit allocation identification information
Put, including：Battery management system and each battery monitoring unit；
Described battery management system, for ID request signal is enabled to first battery monitoring unit by data wire,
Sent to described first battery monitoring unit by communication bus carry first id information write id command；
First described battery monitoring unit, for by the described first id information write write in id command, being used for
ID request signal is enabled to second battery monitoring unit by data wire；
Described battery management system, carries second id information for sending to described second battery monitoring unit
Write id command；
Second described battery monitoring unit, for writing described second id information write in id command.
Preferably, described battery management system is connected with each battery monitoring unit respectively by CAN network, by cell tube
Reason system passes through data wire and first battery monitoring unit connects, and described first battery monitoring unit passes through data wire and the
Two battery monitoring unit connect, and described second battery monitoring unit passes through data wire and the 3rd battery monitoring unit connects
Connect, the like, described N-1 battery monitoring unit passes through data wire and n-th battery monitoring unit connects, and described N is electricity
The sum of cell monitoring unit.
Preferably, described battery management system, for sending feedback by communication bus to each battery monitoring unit
Id command, after receiving the ID of each battery monitoring unit feedback, according between the battery monitoring unit prestoring and ID
Corresponding relation verifies to the ID of each battery monitoring unit receiving；After described verification is obstructed, by data wire
Enable ID request signal to first battery monitoring unit, ID is sent to described first battery monitoring unit by communication bus
Study order；
First described battery monitoring unit, is used for receiving described ID study order and monitoring described ID request signal
Afterwards, enter ID mode of learning, be fed into mode of learning to described battery management system；
Described battery management system, carries for sending to described first battery monitoring unit by communication bus
One id information write id command；
First described battery monitoring unit, for being written to described first id information write in id command in it
In the memory in portion.
Preferably, first described battery monitoring unit, for writing described first in its internal memory
After id information operation success, ID successful information is write to described battery management system feedback by communication bus, and exits ID
Habit pattern, enables ID request signal by data wire to second battery monitoring unit；
Described battery management system, writes ID successful information for receive described first battery monitoring unit feedback
Afterwards, ID study order is sent to described second battery monitoring unit by communication bus；
Second described battery monitoring unit, is used for receiving described ID study order and monitoring described ID request signal
Afterwards, enter ID mode of learning, be fed into mode of learning to described battery management system, receive described battery management system and send out
Send carry second id information write id command after, described second id information write in id command is written to it internal
In memory.
Preferably, second described battery monitoring unit, for being made to the 3rd battery monitoring unit by data wire
Can ID request signal；
Described battery management system, carries the 3rd id information for sending to described 3rd battery monitoring unit
Write id command, described the 3rd id information write in id command is write by described 3rd battery monitoring unit；
Repeat said process, after all battery monitoring unit all write id information operation success, described battery
Management system is passed through communication bus and is carried out normal work order to the transmission of all battery monitoring unit.
The embodiment of the present invention be can be seen that by the technical scheme that embodiments of the invention described above provide BMS is passed through communication
Bus, data wire are connected with each BMU respectively, BMS send successively to each BMU carry id information write id command, each BMU
Successively id information is write.Achieve and only with a set of general programming program, ID write is carried out to all BMU, soft for BMU
Part and hardware only need to have one edition, and software, hardware version management are clear, beneficial to production in enormous quantities, substantially increase the ID distribution of BMU
Efficiency with write.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required use in embodiment description
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
A kind of principle schematic of method to BMU allocation identification information that Fig. 1 provides for the embodiment of the present invention one；
A kind of process chart of method to BMU allocation identification information that Fig. 2 provides for the embodiment of the present invention one；
A kind of concrete reality of device to battery monitoring unit allocation identification information that Fig. 3 provides for the embodiment of the present invention two
Existing structure chart, in figure, battery management system 31 and each battery monitoring unit 32；.
Specific embodiment
For ease of the understanding to the embodiment of the present invention, do further below in conjunction with accompanying drawing taking several specific embodiments as a example
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment one
In embodiments of the present invention, by BMS pass through communication bus respectively with each BMU connect, by BMS pass through data wire and
First BMU connects, and described first BMU passes through data wire and second BMU connects, and described second BMU passes through data wire
Connect with the 3rd BMU, the like, described N-1 BMU passes through data wire and n-th BMU connects, and described N is the total of BMU
Number.
Above-mentioned communication bus can be CAN network, and above-mentioned data wire can be rigid line, and above-mentioned data wire can be unidirectional letter
Number transmission.
This embodiment offers a kind of principle schematic of the method to BMU allocation identification information as shown in figure 1, concrete locate
Reason flow process is as shown in Fig. 2 include following processing procedure：
After the upper electricity of step 1, BMS, powered to each BMU by communication bus；
Step 2, BMS pass through communication bus and send feedback id command to each BMU, and each BMU receives feedback id command
Afterwards, feed back the ID of oneself to described BMS by communication bus；
After step 3, BMS receive the ID that each BMU feeds back, according to the corresponding relation between BMU and ID prestoring
The ID of each BMU receiving is verified；Above-mentioned corresponding relation is that last BMS deposits to after the completion of each BMU distribution ID
Storage.
Whether step 4, BMS pass through to the ID verification of all BMU, if it is, execution step 5；Otherwise, execution step 6；
If step 5 ID verification is passed through, BMS sends normal work order, and each BMU enters normal mode of operation；
Step 6, verify unsuccessfully if there are any one ID, then BMS passes through communication bus and send to verify to each BMU unsuccessfully to order
Order, the mode of learning of BMS entrance simultaneously, carry out the stage of each BMU reassignment ID；
Step 7, BMS pass through data wire and enable ID request signal to first BMU1；
ID study order is sent to described first BMU1 by communication bus, described first BMU1 receives described ID
After practising order and monitoring described ID request signal, enter ID mode of learning, be fed into mode of learning to described BMS；
Step 8, described BMS are ordered by the ID that writes that communication bus carries first id information to described first BMU1 transmission
Order, described first BMU1 receive above-mentioned after writing id command, using general programming program by described write in id command the
One id information is written in the memories such as its internal EEPROM.
After step 9, first BMU1 write described first id information operation success in its internal memory, pass through
Communication bus writes ID successful information to described BMS feedback, and exits ID mode of learning, is made to second BMU2 by data wire
Can ID request signal；
Step 10, described BMS receive described first BMU1 feedback write ID successful information after, by communication bus to
Described second BMU2 sends ID study order, and described second BMU2 receives described ID study order and monitor that described ID please
After seeking signal, enter ID mode of learning, be fed into mode of learning to described BMS；
Step 11, described BMS pass through communication bus send to described second BMU2 carry second id information write ID
Order, described second BMU2 using general programming program, described second id information write in id command is written in it
In the memory in portion.
Step 12, described second BMU2 pass through data wire and enable ID request signal to the 3rd BMU3, and described BMS is to institute
State the 3rd BMU3 and send the id command of writing carrying the 3rd id information, described 3rd BMU3 will using general programming program
Described the 3rd id information write write in id command；
Repeat said process, after all BMU write id information operation success, it is total that described BMS passes through communication
Line sends to all BMU and carries out normal work order.
Corresponding relation between BMU and ID of storage is updated by BMS, and BMS and each BMU enters normal mode of operation.
Embodiment two
This embodiment offers a kind of device to BMU allocation identification information, it implements structure as shown in figure 3, having
Body can include following module：BMS31 and each BMU32；
Described BMS, for enabling ID request signal by data wire to first BMU, by communication bus to described
First BMU send carry first id information write id command；
First described BMU, for by the described first id information write write in id command, for by data wire
Enable ID request signal to second BMU；
Described BMS, for send to described second BMU carry second id information write id command；
Second described BMU, for writing described second id information write in id command.
Further, described BMS is connected with each BMU respectively by CAN network, and BMS is passed through data wire and first
BMU connects, and described first BMU passes through data wire and second BMU connects, and described second BMU passes through data wire and the 3rd
Individual BMU connects, the like, described N-1 BMU passes through data wire and n-th BMU connects, and described N is the sum of BMU.
Further, described BMS, for sending feedback id command by communication bus to each BMU, receives each
After the ID of BMU feedback, school is carried out to the ID of each BMU receiving according to the corresponding relation between BMU and ID prestoring
Test；After described verification is obstructed, ID request signal is enabled to first BMU by data wire, by communication bus to described
First BMU sends ID study order；
First described BMU, after being used for receiving described ID study order and monitoring described ID request signal, enters ID
Mode of learning, is fed into mode of learning to described BMS；
Described BMS, is ordered for being sent the ID that writes carrying first id information to described first BMU by communication bus
Order；
First described BMU, for using general programming program by described first id information write in id command
It is written in its internal memory.
Further, first described BMU, for writing described first id information behaviour in its internal memory
After making success, ID successful information is write to described BMS feedback by communication bus, and exits ID mode of learning, by data wire
Enable ID request signal to second BMU；
Described BMS, for receiving the writing after ID successful information of described first BMU feedback, by communication bus to
Described second BMU sends ID study order；
Second described BMU, after being used for receiving described ID study order and monitoring described ID request signal, enters ID
Mode of learning, is fed into mode of learning to described BMS, receive that described BMS sends carry second id information write ID
After order, using general programming program, described second id information write in id command is written to its internal memory
In.
Further, second described BMU, for enabling ID request signal by data wire to the 3rd BMU；
Described BMS, for send to described 3rd BMU carry the 3rd id information write id command, the described 3rd
Described the 3rd id information write in id command is write by individual BMU using general programming program；
Repeat said process, after all BMU write id information operation success, it is total that described BMS passes through communication
Line sends to all BMU and carries out normal work order.
Carry out the detailed process to BMU allocation identification information and preceding method embodiment class with the device of the embodiment of the present invention
Seemingly, here is omitted.
In sum, BMS is connected with each BMU respectively by the embodiment of the present invention by communication bus, data wire, BMS to
Each BMU send successively carry id information write id command, id information is write by each BMU successively.Achieve and only led to a set of
With programming program ID write is carried out to all BMU, the software and hardware for BMU only need to have one edition, software, hardware version pipe
Clear clear, beneficial to production in enormous quantities, substantially increase the ID distribution of BMU and the efficiency of write.
The operating process of the whole ID write in the embodiment of the present invention is all to be judged by software oneself, need not be artificial
Operated, be increased security and the high efficiency that battery bag is dispatched from the factory.The offline monitoring of BMU is safe efficient, reduces to scene
The requirement of installation and debugging personnel.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Mode by software plus necessary general hardware platform to be realized.Based on such understanding, technical scheme essence
On in other words prior art is contributed partly can be embodied in the form of software product, this computer software product
Can be stored in storage medium, such as ROM/RAM, magnetic disc, CD etc., include some instructions use so that a computer equipment
(can be personal computer, server, or network equipment etc.) executes some of each embodiment of the present invention or embodiment
Partly described method.
Each embodiment in this specification is all described by the way of going forward one by one, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Especially for device or
For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, referring to method in place of correlation
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematically wherein said conduct
Separating component explanation unit can be or may not be physically separate, as the part that unit shows can be or
Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can root
Factually border need select the purpose to realize this embodiment scheme for some or all of module therein.Ordinary skill
Personnel are not in the case of paying creative work, you can to understand and to implement.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in,
All should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (6)
1. a kind of method to battery monitoring unit allocation identification information is it is characterised in that include：
Battery management system passes through data wire and enables ID request signal to first battery monitoring unit, by communication bus to institute
State first battery monitoring unit send carry first id information write id command, described first battery monitoring unit is by institute
State first id information write writing in id command；
Described first battery monitoring unit passes through data wire and enables ID request signal, described electricity to second battery monitoring unit
Pond management system send to described second battery monitoring unit carry second id information write id command, described second electricity
Described second id information write in id command is write by cell monitoring unit, wherein,
Battery management system passes through communication bus and sends feedback id command, each battery monitoring unit to each battery monitoring unit
After receiving feedback id command, feed back the ID of oneself, described battery management system to described battery management system by communication bus
System ID to each battery monitoring unit receiving according to the corresponding relation between the battery monitoring unit prestoring and ID
Verified；
After described verification is obstructed, described battery management system passes through data wire please to first battery monitoring unit enable ID
Seek signal, ID study order, described first battery cell monitoring are sent to described first battery monitoring unit by communication bus
After unit receives described ID study order and monitors described ID request signal, enter ID mode of learning, to described battery management
System feedback enters mode of learning, and described battery management system passes through communication bus and sends to described first battery monitoring unit
Carry the id command of writing of first id information, described first ID writing in id command is believed by described first battery monitoring unit
Breath is written in its internal memory；
After described first battery monitoring unit writes described first id information operation success in its internal memory, lead to
Cross communication bus and write ID successful information to described battery management system feedback, and exit ID mode of learning, by data wire to
Second battery monitoring unit enables ID request signal；
Described battery management system receive described first battery monitoring unit feedback write ID successful information after, by communication
Bus sends ID study order to described second battery monitoring unit, and described second battery monitoring unit receives described ID
After practising order and monitoring described ID request signal, enter ID mode of learning, be fed into learning to described battery management system
Pattern, described battery management system passes through communication bus and carries second id information to described second battery monitoring unit transmission
Write id command, it is internal that described second id information write in id command is written to it by described second battery monitoring unit
In memory.
2. the method to battery monitoring unit allocation identification information according to claim 1 is it is characterised in that described electricity
Pond management system is passed through also to include before data wire enables ID request signal to first battery monitoring unit：
Battery management system is passed through CAN network connect with each battery monitoring unit respectively, battery management system is passed through number
Connect according to line and first battery monitoring unit, described first battery monitoring unit passes through data wire and second battery cell monitoring
Unit connects, and described second battery monitoring unit passes through data wire and the 3rd battery monitoring unit connects, the like, institute
State N-l battery monitoring unit and pass through data wire and the connection of n-th battery monitoring unit, described N is the total of battery monitoring unit
Number.
3. the method to battery monitoring unit allocation identification information according to claim 2 is it is characterised in that described
Two battery monitoring unit also include after the described second id information write write in id command：
Described second battery monitoring unit passes through data wire and enables ID request signal, described electricity to the 3rd battery monitoring unit
Pond management system send to described 3rd battery monitoring unit carry the 3rd id information write id command, described 3rd electricity
Described the 3rd id information write in id command is write by cell monitoring unit；
Repeat said process, after all battery monitoring unit all write id information operation success, described battery management
System is passed through communication bus and is carried out normal work order to the transmission of all battery monitoring unit.
4. a kind of device to battery monitoring unit allocation identification information is it is characterised in that include:Battery management system and each
Battery monitoring unit；
Described battery management system, for enabling ID request signal by data wire to first battery monitoring unit, passes through
Communication bus send to described first battery monitoring unit carry first id information write id command；
First described battery monitoring unit, for by the described first id information write write in id command, being used for passing through
Data wire enables ID request signal to second battery monitoring unit；
Described battery management system, for send to described second battery monitoring unit carry second id information write ID
Order；
Second described battery monitoring unit, for writing described second id information write in id command, wherein,
Described battery management system, for sending feedback id command by communication bus to each battery monitoring unit, receives
To after the ID of each battery monitoring unit feedback, according to the corresponding relation docking between the battery monitoring unit prestoring and ID
The ID of each battery monitoring unit receiving is verified；After described verification is obstructed, by data wire to first battery
Monitoring unit enables ID request signal, sends ID study order by communication bus to described first battery monitoring unit；
First described battery monitoring unit, after being used for receiving described ID study order and monitoring described ID request signal,
Enter ID mode of learning, be fed into mode of learning to described battery management system；
Described battery management system, carries first for sending to described first battery monitoring unit by communication bus
Id information write id command；
First described battery monitoring unit, for being written to its inside by described first id information write in id command
In memory；
First described battery monitoring unit, operates into for writing described first id information in its internal memory
After work(, ID successful information is write to described battery management system feedback by communication bus, and exits ID mode of learning, by number
Enable ID request signal according to line to second battery monitoring unit:Described battery management system, is used for receiving described first
After what individual battery monitoring unit fed back writes ID successful information, ID is sent to described second battery monitoring unit by communication bus
Study order；
Second described battery monitoring unit, after being used for receiving described ID study order and monitoring described ID request signal,
Enter ID mode of learning, be fed into mode of learning to described battery management system, receive described battery management system and send
Carry second id information write id command after, described second id information write in id command is written to its internal depositing
In reservoir.
5. the device to battery monitoring unit allocation identification information according to claim 4 is it is characterised in that described battery
Management system is passed through CAN network and is connected with each battery monitoring unit respectively, and battery management system is passed through data wire and first
Individual battery monitoring unit connects, and described first battery monitoring unit passes through data wire and second battery monitoring unit connects,
Described second battery monitoring unit passes through data wire and the 3rd battery monitoring unit connects, the like, described N-l electricity
Cell monitoring unit passes through data wire and n-th battery monitoring unit connects, and described N is the sum of battery monitoring unit.
6. the device to battery monitoring unit allocation identification information according to claim 5 it is characterised in that：
Second described battery monitoring unit, for using ID request letter by data wire to the 3rd battery monitoring unit
Number；
Described battery management system, for send to described 3rd battery monitoring unit carry the 3rd id information write ID
Order, described the 3rd id information write in id command is write by described 3rd battery monitoring unit；
Repeat said process, after all battery monitoring unit all write id information operation success, described battery management
System is passed through communication bus and is carried out normal work order to the transmission of all battery monitoring unit.
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| CN201410779234.0A CN104539007B (en) | 2014-12-15 | 2014-12-15 | Method and device for distributing identification information to battery monitoring unit |
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| CN107515600A (en) * | 2017-08-01 | 2017-12-26 | 安徽欧鹏巴赫新能源科技有限公司 | A kind of ID online distribution systems and its control method based on CAN network |
| CN107611506A (en) * | 2017-09-13 | 2018-01-19 | 力神动力电池系统有限公司 | A kind of battery management system |
| CN109466374B (en) * | 2018-11-30 | 2021-06-11 | 铜陵市优车科技有限公司 | Battery management method, battery management system and vehicle |
| CN109683039B (en) * | 2018-12-21 | 2021-06-08 | 思必驰科技股份有限公司 | Offline detection method and system for electronic product |
| CN113507403B (en) * | 2021-06-28 | 2023-04-18 | 江苏纳通能源技术有限公司 | Automatic networking system and method of slave BMU (personal multimedia Unit) convenient for accurate positioning |
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