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Configuration method and configuration system of slave controller of battery management system

A technology of a battery management system and a configuration method, which is applied to the configuration method and configuration system field of a slave controller, can solve the problems of mismatching installation of the slave controller and a single battery, high storage pressure, and high storage requirements, and achieves a convenient configuration method. , low cost, avoid the effect of easy mismatch

Active Publication Date: 2020-09-18
AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUP +1
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the high storage requirements, high storage pressure and high management cost of the secondary controller of the battery management system in the prior art when configuring the secondary controller, and it is easy to cause the secondary controller The defect of mismatching during installation provides a convenient, efficient, low-cost and automatic configuration method and configuration system for the slave controller of the battery management system

Method used

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  • Configuration method and configuration system of slave controller of battery management system
  • Configuration method and configuration system of slave controller of battery management system

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Embodiment Construction

[0035] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

[0036] Such as figure 1 As shown, a configuration system of a slave controller of a battery management system includes a host computer 1 and four slave controllers 2, and each slave controller 2 is connected to the host computer 1 through a CAN bus, specifically through CANL and CANH signals line connection; each slave controller 2 includes an input interface IN and an output interface OUT, and four slave controllers 2 pass the input interface IN and the output interface OUT such as figure 1 The sequence shown is cascaded.

[0037] Wherein, the host computer 1 is used to send the first command to the slave controller 2 through the CAN bus; the slave controller 2 is used to generate a random number after receiving the first command, and use the random number as a message ID; the slave controller 2 is also used to send the fir...

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Abstract

The invention discloses a configuration method and configuration system for a slave controller of a battery management system. The method comprises the steps of S1 sending a first command to the slavecontroller by an upper computer; S2, generating a random number used as a message ID by the slave controller, and sending a first response message to the upper computer; S3, judging whether all message IDs are completely different or not by the upper computer, if yes, executing the step S4; S4, selecting the message ID to be configured, and sending a second command; S5, sending second response messages to the upper computer by the slave controller to be configured, and giving out a trigger signal, wherein trigger signal is used for controlling all slave controllers at a next stage to sequentially give out trigger signals stage by stage; S6, counting numbers N of the second response messages by the upper computer, and acquiring a preset ID of the slave controller at a position being N; andS7, updating the message ID to be the preset ID by the slave controller to be configured. The invention provides a brand-new automatic configuration mode for the slave controller in the battery management system.

Description

technical field [0001] The present invention relates to the technical field of battery management systems, in particular to a configuration method and system for a slave controller of a battery management system. Background technique [0002] With the development of new energy vehicle technology and national policy support, the production of electric vehicles has increased year by year. The application of battery management system, one of the three electric systems, is becoming more and more extensive. The battery management system generally adopts the structure of a master controller plus several slave controllers. The master controller is mainly used for logic control, and the slave controller is mainly used to collect the temperature and voltage information of the single battery and report it to the master controller. For manufacturers that provide battery management systems, they will face different battery structures and compositions, and the corresponding battery mana...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/42
CPCH01M10/4207H01M10/4257H01M2010/4271H01M2010/4278Y02E60/10
Inventor 张建平李攀翁志福兰志波白玉凤李巍
Owner AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUP
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