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An on-line emergency auxiliary system for batteries with outdated batteries and its working method

A battery pack and auxiliary system technology, applied in the field of power electronics, can solve the problems of high replacement cost of battery packs, and achieve the effects of strong charging effectiveness, improved timeliness, and prevention of outdated batteries

Active Publication Date: 2018-03-02
GUANGZHOU MARITIME INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the present invention provides an on-line emergency auxiliary system for outdated batteries in battery packs and its working method, which is used to solve the problem that outdated batteries in existing battery packs need to be replaced with high-cost battery packs

Method used

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  • An on-line emergency auxiliary system for batteries with outdated batteries and its working method
  • An on-line emergency auxiliary system for batteries with outdated batteries and its working method
  • An on-line emergency auxiliary system for batteries with outdated batteries and its working method

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Embodiment 1

[0040] The following will be attached figure 1 To describe the present invention in detail, this embodiment provides an online emergency auxiliary system for backward batteries in battery packs, such as figure 1 Shown: The battery pack is a series battery pack connected with a load 11 and a switching power supply 12. The switching power supply 12 is connected in parallel with the load 11 and the online battery pack backward battery emergency auxiliary system respectively. Under normal circumstances, the switching power supply 12 serves as a load When the switching power supply 12 is disconnected, the battery pack is switched as the power supply of the load 11. When the online battery pack is behind the battery emergency auxiliary system, the backward battery is selected and the backward battery is charged. Charging, thereby reducing the discharge capacity of backward batteries, and ensuring the emergency power supply of the battery pack can make the overall capacity of the batter...

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Abstract

The invention discloses an online emergency aid system for a delayed battery of a storage battery pack and a working method thereof, and relates to the field of electric power electronic technology. The storage battery pack is a serial storage battery pack connected with a load and a switching power supply, and the online emergency aid system for the delayed battery of the storage battery pack comprises a plurality of charging modules in one-to-one correspondence connection with storage batteries in the storage battery pack, a voltage collection module and a current collection module, output ends of the voltage collection module and the current collection module are connected with an input end of a control module, and the output end of the control module is connected with the plurality of charging modules. By adopting the online emergency aid system for the delayed battery of the storage battery pack and the working method thereof provided by the invention, the problem that the delayed battery occurs in the storage battery pack and the high cost storage battery pack needs to be changed can be solved.

Description

Technical field [0001] The present invention relates to the technical field of power electronics, in particular to an online emergency auxiliary system for backward batteries of a battery pack and a working method thereof. Background technique [0002] In recent years, high-energy and high-voltage batteries have been widely used. By connecting multiple high-energy and voltage batteries in series to form a battery pack, they can be used in devices that require high voltage such as electric vehicles. [0003] The main function of the management device for electric vehicle power battery packs is to intelligently manage the charging and discharging process of various power battery packs for specific purposes, and provide various types of electric vehicle battery packs with special technical requirements, safe and efficient operation Technical environment. [0004] The focus of management during the charging process is to ensure that the charging voltage, charging current and temperature...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0018H02J7/0021
Inventor 向丹冯加洋岑健
Owner GUANGZHOU MARITIME INST
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