Multi-cell module parallel configuration power supply control method

A technology for power supply control and battery modules, applied in battery circuit devices, current collectors, electric vehicles, etc., to achieve the effects of maintaining safety requirements, saving system costs, and simplifying system architecture

Active Publication Date: 2018-03-09
TREND POWER TECH CHANGSHU INC
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to solve the above-mentioned problems, the present invention discloses a power supply control method of a multi-battery module parallel structure

Method used

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Embodiment Construction

[0026] Certain terms are used in the description and claims to refer to particular elements. Those of ordinary skill in the art should understand that manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Include" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". Furthermore, the terms "coupled" or "connected" herein include any direct or indirect electrical or structural means of connection. Therefore, if it is described in the text that a first device is coupled / connected to a second device, it means that the first device may be directly electrically / structurally connected to the second device, or indirectly electrically / structurally connected through other devices or connecting means. to the secon...

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Abstract

The invention discloses a multi-cell module parallel configuration power supply control method. According to the method, in a load system utilizing a switching type discharging configuration multi-cell module for power supply, multiple cell modules are distinguished according to pre-determined rules to be a main cell module and multiple secondary cell modules, the main cell module is taken as a main control center of all the parallel cell modules, through a discharging rule, other secondary cell modules having electric quantity are controlled through a cell management system in the main cell module for preferably supplying power to the load system, the main cell module is kept to be the last cell module for power supply, arranging a central control unit and the special-purpose cell outsidethe cell module for the load system is not needed, system configuration of an electric device is effectively simplified, system cost is saved, and safety requirements of the system are further maintained.

Description

technical field [0001] The invention relates to a control method of a battery circuit, in particular to a battery power supply control method in a parallel structure of multiple battery modules. Background technique [0002] Electric devices such as electric bicycles and electric motorcycles are usually loaded with more than one secondary battery module to increase the power available for the electric device. These secondary battery modules are loaded on the electric device in parallel. When the battery module supplies power to the electric device, it can be powered by parallel discharge or switching discharge. Since the power or voltage of the battery module itself is not necessarily the same, it is directly connected in parallel. Discharging is an uncommon practice. As for the power supply using the switchable discharge method, the discharge sequence among the multiple battery modules in the electric device is determined by the power of the battery modules themselves, tha...

Claims

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Application Information

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IPC IPC(8): H02J7/00
CPCH02J2007/0067H02J7/0063
Inventor 陈威成王雍杰张峰铭
Owner TREND POWER TECH CHANGSHU INC
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