Distributed lithium battery control system and method

A control system and lithium battery technology, applied in battery/fuel cell control devices, secondary batteries, battery circuit devices, etc., can solve the problems of reducing monitoring costs and being unable to achieve, and achieve the effect of increasing voltage

Inactive Publication Date: 2020-01-10
SHENZHEN GOLDWAN ELECTRONICS LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the deficiencies of the prior art, the present invention provides a distributed lithium battery control system and method, which solves the problem that the lithium battery control system cannot effectively monitor the working voltage of any single battery in the lithium battery module group. Technical Problems of Effectively Reducing Monitoring Cost

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  • Distributed lithium battery control system and method
  • Distributed lithium battery control system and method
  • Distributed lithium battery control system and method

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Embodiment Construction

[0036] Distributed lithium battery control system, see figure 1 , including a main control module, a total voltage acquisition module, a current acquisition module, a single battery voltage acquisition module, a single battery temperature acquisition module, a total voltage sensor, a current sensor, a high voltage control module, a low voltage control module, a high voltage equalization module, a low voltage The hardware system composed of the adapter module, CAN communication module 1 and CAN communication module 2 also includes a software operating system and application programs running on the above hardware system;

[0037]Among them, the main control module is mainly used to store the standard working voltage value of the lithium battery pack, the standard working current value of the lithium battery pack, the standard working voltage value of the single battery, and the standard working temperature value of the single battery. The various parameter data collected by the ...

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Abstract

The invention relates to the technical field of battery management, and discloses a distributed lithium battery control system. The distributed lithium battery control system comprises a hardware system, which is composed of a main control module, a total voltage acquisition module, a single battery voltage acquisition module, a high-voltage control module, a low-voltage control module, a total voltage sensor, a first CPLD control module, a first optical coupling relay, a sub-voltage sensor, a high-voltage equalizing module, a low-voltage adaptation module, a first CAN communication module anda second CAN communication module; the main control module is in communication connection with the total voltage acquisition module and the single battery voltage acquisition module through the firstCAN communication module; and the second CAN communication module is in communication connection with the high-voltage control module and the low-voltage control module. The invention further discloses a control method of the distributed lithium battery control system. By means of the distributed lithium battery control system and method in the invention, the problem that the lithium battery control system cannot effectively reduce the monitoring cost while effectively monitoring the working voltage of any single battery in a lithium battery module group can be solved.

Description

technical field [0001] The invention relates to the technical field of battery management, in particular to a distributed lithium battery control system and method. Background technique [0002] Because of its many good advantages, lithium batteries have gradually replaced traditional nickel-cadmium batteries and lead-acid batteries, and have become the current mainstream power batteries. Inside the lithium battery, due to its complex chemical reaction, while people are constantly improving the performance of the lithium battery itself, they are also conducting continuous research on the management technology and use of the lithium battery to increase the service life of the lithium battery and improve the efficiency of the lithium battery. Maximize the performance of lithium batteries. [0003] At present, lithium battery management systems mainly have two architectures: centralized and master-slave distributed. Among them, the high-voltage processing unit and data acquis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00B60L58/20H01M10/44G01R31/3835G01R31/382G01R31/396
CPCH01M10/441H02J7/0063Y02E60/10Y02T10/70Y02T90/16
Inventor 李耀华朱美露
Owner SHENZHEN GOLDWAN ELECTRONICS LTD
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