Vehicle mounted battery management system control method

A technology of a management system and a control method, which is applied in the field of vehicle battery management system control based on a real-time operating system, can solve the problems of low monitoring efficiency and weak anti-interference ability of the battery management system, and achieve real-time data collection and real-time The effect of improving and succinct structure

Active Publication Date: 2008-12-10
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the shortcomings of low monitoring efficiency and weak anti-interference ability of the prior art battery management system, provide a new battery management system for electric vehicles, and improve the monitoring efficiency and anti-interference ability of the battery management system

Method used

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  • Vehicle mounted battery management system control method

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Embodiment Construction

[0026] The overall structure of the battery management system of the present invention is as follows: figure 1 As shown, it includes a central processing unit, a load voltage acquisition module, a total voltage acquisition module, a module voltage acquisition module, a current acquisition module, a temperature acquisition and fan control module, a time acquisition module, a CAN bus communication module, and a contactor control module. The output of the load voltage and temperature acquisition module is connected to the AD port of the central processor. The total voltage acquisition module, the current acquisition module, and the module voltage acquisition module are connected to the SPI port of the central processor after passing through the ADE7753 analog-to-digital conversion chip. Control the cooling fan work and the on-off of the positive contactor, negative contactor and pre-charging contactor of the high-voltage system. The time acquisition module uses the IIC bus to comm...

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Abstract

A battery management system based on a real time operation system which belongs to the technical field of vehicle storage battery management includes a CPU, a load voltage collecting module, a total voltage collecting module, a module voltage collecting module, a current collecting module, a temperature collecting module, a time collecting module, a CAN bus communicating module and a contactor control module. The CPU is respectively connected with a voltage collecting module, the current collecting module, the temperature collecting module, the time collecting module, the CAN bus communicating module and the contactor control module. The battery management system based on a real time operation system transplants a uc/OS-II multi-task real time operation system into the CPU, thus simplifying the software programming of a vehicle storage battery management system under the dispatching of the real time operation system, improving the execution efficiency to manage the system software, ensuring the real time property of data collection and enhancing the working stability of the system.

Description

technical field [0001] The invention relates to a control method for a battery management system of an electric vehicle, in particular to a control method for a vehicle battery management system based on a real-time operating system. Background technique [0002] With the development of automobile technology, while the requirements for automobile safety and reliability are increasing, people's requirements for automobile ride comfort are also getting higher and higher, and the accompanying electrical equipment for improving comfort in the car is also increasing. More and more, such as: car DVD, car computer, air conditioner and other in-car multimedia equipment. The on-board battery not only needs to supply power to the starter when the car starts, but also needs to supply power to the on-board electrical equipment when the engine stops working and the power generation is insufficient; therefore, the management of the on-board battery is no longer just the monitoring of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R16/02H01M10/42B60L11/18
CPCY02E60/10Y02T10/70Y02T90/16
Inventor 王欢王丽芳杨健徐冬平廖承林
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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