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Smart battery

A smart battery and battery technology, applied in the direction of secondary battery, circuit, secondary battery repair/maintenance, etc., can solve the problem of incomplete transmission of information, reduce the number of measurement wires, reduce the number of connections, and improve anti-interference sexual effect

Active Publication Date: 2013-06-26
BEIJING KEY POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The battery manufacturer has mastered the characteristic data of the battery through repeated experiments and tests. Although the battery manufacturer will provide this information to the battery pack manufacturer, usually this information will not be fully conveyed and given enough attention

Method used

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Embodiment Construction

[0024] Preferred embodiments of the present invention are described below with reference to the accompanying drawings.

[0025] Such as figure 1 As shown, an intelligent battery module 11 includes at least one battery 14, a circuit system 12 with analog signal acquisition function and communication function. It should be noted that the aforementioned battery 14 is not necessarily a power battery for an electric vehicle, for example, it may also be a power battery of an electric bicycle or a battery of a mobile device. Similarly, the circuit system 12 may also be any circuit system, for example, it may be an application specific integrated circuit (ASIC: Application Specific Integrated Circuit) or a PCB (Printed Circuit Board) system composed of discrete components and a microprocessor. For the convenience of expression, it is assumed that the battery 14 is an electric vehicle power battery, and the circuit system 12 is an ASIC. Considering the cost, in the case of mass produ...

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Abstract

The invention relates to a smart battery system, belonging to the technical field of power batteries of electromobiles. The smart battery comprises a controller and at least one smart battery modules, wherein the intelligent battery module comprises at least one battery and a circuit system; the circuit system has an analog signal acquisition function, can be used for converting analog signals into digital signals and is communicated with the controller; the circuit system and the smart battery module are integrally packaged; and the smart battery is in communicated connection with the controller. The smart battery disclosed by the utility model has the advantages of compact assembly space, fewer lead wires to be measured, connection reliability and high anti-jamming property of signal acquisition.

Description

technical field [0001] The present invention relates to the field of battery management, in particular to the management of power batteries of electric vehicles, and in particular to an intelligent control with functions such as voltage and temperature collection, SOC estimation (State of charge, battery charging state is the remaining battery power), battery equalization, etc. Intelligent battery system of the device. Background technique [0002] The power battery pack is the core component of an electric vehicle, providing electrical energy to drive the vehicle. Since the power batteries used in vehicles generally require a higher voltage level, dozens to hundreds of battery cells need to be connected in series. In order to ensure the safe use of batteries and improve battery life, a battery management system is required to perform status detection, safety protection, and charge and discharge control on battery cells. In addition, it is generally necessary to balance th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42H01M10/48
CPCY02E60/10
Inventor 朱雪洲华剑锋田硕李立国孟庆然
Owner BEIJING KEY POWER TECH
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