Storage battery monitoring system and method
A monitoring system and battery technology, applied in circuit monitoring/indication, secondary battery, signal transmission system, etc., can solve problems such as inability to communicate, and achieve the effect of improving safety
Active Publication Date: 2021-02-19
CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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[0004] The purpose of the embodiments of the present invention is to provide a battery monitoring system and method, which can avoid the problem of inability to communicate due to failures in the current transmission path, and improve safety
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[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, various implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in this application can also be realized. The division of the following embodiments is for the convenience of description, and should not constitute any limitation to the specific implementation of the present invention, and the various embodiments can be combined and referred to each other on the premise of no contradiction.
[0023] The first embodi...
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The embodiment of the invention relates to the technical field of battery monitoring, and discloses a battery monitoring system and method. The system includes: n cell monitoring units CMC, control modules, and several daisy chain buses; wherein, n is an integer greater than or equal to 2; n CMCs are used to monitor multiple cell modules electrically connected in the storage battery, each A CMC is used to monitor at least one described cell module; n CMCs are connected to the control module through each daisy chain bus; the control module is used to receive multiple data uploaded by n CMCs through a transmission path formed by at least one daisy chain bus The monitoring data of the battery module; the control module is also used to identify the fault location according to the monitoring data when a fault occurs in the transmission path is detected, and adjust the transmission path according to the fault location to receive the monitoring data. The solutions provided by the various embodiments of the present invention can avoid the problem of inability to communicate due to faults in the current transmission path, and improve security.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of battery monitoring, in particular to a battery monitoring system and method. Background technique [0002] The battery is the driving power of the electric vehicle, and its working status directly affects the safety performance of the electric vehicle. Therefore, it is particularly important to use the battery management system to monitor the battery. At present, most battery management systems use CAN bus or single-chain daisy chain communication. The daisy chain communication can make up for the unpredictability, channel error and blockage in the CAN bus system to a certain extent, and can improve EMC performance. [0003] The inventor has found that there are at least the following problems in the prior art: the daisy chain uses cascaded serial transmission communication, and when a failure occurs at a certain place (transmission line itself or a certain device) in the data ch...
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IPC IPC(8): G01R31/3842
CPCH02J7/0047H02J7/0013G01R31/396G01R31/371H04Q9/00G01R31/088H04Q2209/30H04Q2209/823G08C25/00G01R35/00H01M10/4207H01M10/425H01M2010/4271H01M2010/4278H01M10/482Y02E60/10
Inventor 骆会秀刘宇娄其栋李前邓
Owner CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY