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Title:
ANTI-REVERSE CONNECTION PROTECTION CIRCUIT AND METHOD, AND ELECTROCHEMICAL APPARATUS AND ENERGY STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/057194
Kind Code:
A1
Abstract:
Provided is an anti-reverse connection protection circuit. The anti-reverse connection protection circuit comprises a first detection unit, a second detection unit and a battery management system, wherein the first detection unit and the second detection unit are both electrically connected to an external port of an electrochemical apparatus; the first detection unit and the second detection unit are used for detecting parameters of the external port; and when the external port is electrically connected to an external device, the first detection unit and the second detection unit respectively output, according to the parameters of the external port, a first detection signal and a second detection signal to the battery management system. Further provided are an anti-reverse connection protection method, an electrochemical apparatus, and an energy storage system. The parameters of an external port are detected, and a first detection signal and a second detection signal are respectively output to a battery management system according to the parameters, such that whether the external port is reversely connected to an external device is determined. The present application has the advantages of a low cost, a high detection precision, a wide detection range, etc., and the safety and stability of a battery can be improved.

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Inventors:
LIU QIFAN (CN)
Application Number:
PCT/CN2021/074506
Publication Date:
March 24, 2022
Filing Date:
January 29, 2021
Export Citation:
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Assignee:
DONGGUAN POWERAMP TECH LIMITED (CN)
International Classes:
H02H11/00; H02H7/18; H02J7/00
Foreign References:
CN112003261A2020-11-27
CN207069663U2018-03-02
CN109119982A2019-01-01
CN204967312U2016-01-13
JP2019017128A2019-01-31
US20190379299A12019-12-12
Other References:
See also references of EP 4199288A4
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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