BATTERY HEATING SYSTEM - CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Title:

BATTERY HEATING SYSTEM

Document Type and Number:

WIPO Patent Application WO/2020/133615

Kind Code:

A1

Abstract:

The present application provides a battery heating system, which relates to the field of battery power. The battery heating system comprises a main positive switch, a main negative switch, an inverter, a motor and a battery management module; the inverter comprises a first phase bridge arm, a second phase bridge arm and a third phase bridge arm which are connected in parallel, each of upper bridge arms and lower bridge arms is provided with a switch module, buffer modules are connected in parallel to the switch modules, the buffer modules are used for protecting the switch modules; a motor controller in the inverter is used for providing a driving signal for a target upper bridge arm switch module and a target lower bridge arm switch module, and for controlling the periodical turning on and turning off of the switch module of the upper bridge arm of any one bridge arm among the three phase bridge arms and the switch module of the lower bridge arm of at least one bridge arm other than the bridge arm where the target upper bridge arm switch module is located.

Inventors:

ZUO XIYANG (CN)
DAN ZHIMIN (CN)
ZHANG WEI (CN)
HOU YIZHEN (CN)
LI GUOWEI (CN)
WU XINGYUAN (CN)
LI YANRU (CN)

Application Number:

PCT/CN2019/072663

Publication Date:

July 02, 2020

Filing Date:

January 22, 2019

Export Citation:

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Assignee:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)

International Classes:

H01M10/60

Foreign References:

CN103560304A

2014-02-05

Other References: