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Fault classification and interactive control system and method based on battery management system

A battery management system and fault grading technology, applied in battery charging management, arrangement of multiple synchronous batteries, battery circuit devices, etc. The effect of increased efficiency, improved safety and reliability

Active Publication Date: 2021-04-27
ZOOMLION INTELLIGENT ACCESS MASCH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems in the prior art that the battery management system and the vehicle control system do not communicate, the controller cannot control the failure of the lithium battery accordingly, there is a large potential safety hazard, and it also affects the work efficiency. The present invention provides a Fault classification and interactive control method based on battery management system

Method used

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  • Fault classification and interactive control system and method based on battery management system
  • Fault classification and interactive control system and method based on battery management system
  • Fault classification and interactive control system and method based on battery management system

Examples

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Embodiment 1

[0034] Such as figure 1 As shown, this embodiment provides a fault classification and interactive control method based on the battery management system, including the following steps:

[0035] S1. The battery management system performs fault classification according to the total battery voltage, cell voltage, cell temperature, discharge current and SOC of the lithium battery detected in real time, and sends it to the control system;

[0036] S2. The control system acquires lithium battery fault information and load information, and makes the following controls:

[0037] S21. For lithium battery fault information processing: the control system limits or stops the output of the load according to the fault classification definition; contactor;

[0038] S22. For load information processing: when the load fails, the control system stops the load output, and delays sending instructions to the battery management system, and the battery management system disconnects the main contact...

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Abstract

The invention relates to the technical field of high-altitude operation equipment, and discloses a fault classification and interactive control system and method based on a battery management system and the high-altitude operation equipment. The method includes the following steps: S1. Voltage, cell voltage, cell temperature, discharge current, and SOC are classified into faults and sent to the control system; S2. The control system obtains lithium battery fault information and load information, and performs the following controls: S21. Processing of lithium battery fault information : The control system limits or stops the output of the load according to the fault classification definition; when the output of the load is stopped, the control system delays sending instructions to the battery management system at this time, and the battery management system disconnects the main contactor in the lithium battery; S22. For load information Solution: When the load fails, the control system stops the load output, and delays sending instructions to the battery management system, and the battery management system disconnects the main contactor in the lithium battery.

Description

technical field [0001] The invention belongs to the technical field of high-altitude operation equipment, and more specifically, provides a fault classification and interactive control system and method based on a battery management system and the high-altitude operation equipment. Background technique [0002] Aerial work equipment is a kind of special equipment that lifts staff and machinery to a designated position in the sky for installation, maintenance, rescue and other operations, such as fire trucks, aerial work platforms, aerial work equipment, etc., with the requirements of environmental protection It is getting higher and higher. At present, pure electric power has become the future trend. The most commonly used energy storage device for aerial work equipment is lead-acid batteries. However, lead-acid batteries have a short service life, generally about two years, low energy density, and charging time. It takes more than 8 hours, and maintenance is required at reg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0022H02J7/0026
Inventor 柳权孙卫平杨煜钟懿
Owner ZOOMLION INTELLIGENT ACCESS MASCH CO LTD
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