Battery pack information acquisition management structure

An information collection and battery pack technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of rigid battery pack structure, complex wiring structure, high cost of battery management system, improve maintainability, simplify Connection structure, the effect of improving reliability

Inactive Publication Date: 2012-10-10
BEIJING HUADA ZHIBAO ELECTRONICS SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the connection structure of the existing battery management system is relatively complicated, the reliability of the battery management system is not high, the maintainability of the battery pack is not strong, the cost of the battery management system is high, and the structure of the battery pack is rigid, which cannot meet a wider range of needs. Application requirements

Method used

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  • Battery pack information acquisition management structure

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Embodiment Construction

[0008] Such as figure 1 As shown, the single structure serial acquisition control system of the present invention has the following characteristics in this structure: N+1 continuous monitored batteries, the voltage domain is V0-Vn;

[0009] N+1 cells in series or cells in parallel, each battery is located in the V0-Vn voltage domain; each voltage domain is an execution control unit, and the data acquisition control of each voltage domain is completed through the serial bus signal.

[0010] The main control unit initiates a serial bus signal, and generates non-overlapping enable control signals through the logic control sequence of each voltage domain, so that only one voltage domain’s acquisition control is valid at the same time, and the data acquisition of this voltage domain is completed at this time. transmission, control.

[0011] Connect the clock, data, and enable signal port signals in the serial bus with the corresponding signals in the adjacent voltage domains to fo...

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Abstract

The invention belongs to the technical field of batteries, and relates to a battery management system structure applied to multiple strings of batteries. According to the invention, a single battery or binary battery is divided into an acquisition control unit, and a serial bus structure is expanded to different continuous voltage domains by a level conversion technology; and thus, the data communication and control of each voltage domain are realized, the topological mechanism of the whole battery management system is simplified, the reliability, flexibility and maintainability of the battery management system are greatly improved, and the cost of the whole battery system is reduced.

Description

Technical field: [0001] The invention belongs to the technical field of batteries, and in particular relates to a topology structure for collecting and controlling information such as the voltage of each battery, internal resistance of the battery, and temperature of the battery by the battery pack, and realizes the management of the battery pack by processing the collected information . Background technique: [0002] Batteries are usually used in series and parallel to provide higher output voltage and larger drive current. Now many high-power batteries are powered by a battery system composed of multiple single batteries connected in series and parallel. [0003] In order to ensure the safety of the battery system, we must monitor information such as the voltage of each battery, the internal resistance of the battery, and the temperature of the battery at any time, and control the charging and discharging of the battery pack according to the relevant information to ensure ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
Inventor 符力建陈斌斌
Owner BEIJING HUADA ZHIBAO ELECTRONICS SYST
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