Mutual charging system and charging connector for electric vehicles

A charging connector and electric vehicle technology, applied in electric vehicle charging technology, electric vehicles, electric heating circuit power supply, etc., can solve the problems of inconvenient charging of electric vehicles, troublesome and inconvenient users, and inability to move electric vehicles , to achieve high-power charging, improve efficiency, and solve the effect of charging inconvenience
CN104253464BActive Publication Date: 2017-05-03BYD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BYD CO LTD
Publication Date
2017-05-03

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Abstract

The present invention proposes a system for mutual charging between electric vehicles, including: a first electric vehicle and a second electric vehicle, and a charging connector; the first electric vehicle and the second electric vehicle respectively include a power battery, a battery manager, an energy conversion A control device and a charge and discharge socket, wherein the energy conversion control device includes: a three-level bidirectional DC / AC module, a charge and discharge control module, and a controller module; the charging connectors are respectively connected between the first electric vehicle and the second electric vehicle , when the first electric vehicle enters the discharge mode, the second electric vehicle enters the charging mode, so that the first electric vehicle charges the second electric vehicle through the charging connector. The system for mutual charging between electric vehicles can realize mutual charging between electric vehicles, and adopts three-level control, reduces DC-DC modules, can realize high-power charging, high charging efficiency and short time. The invention also provides a charging connector.
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Description

technical field

[0001] The invention relates to the technical field of electric vehicles, in particular to a mutual charging system for electric vehicles and a charging connector. Background technique

[0002] With the development of science and technology, environmentally friendly and energy-saving electric vehicles are playing the role of replacing fuel vehicles. However, the popularization of electric vehicles still faces some problems. In particular, current electric vehicles generally supplement energy supply by charging at charging stations, but due to the limited number of charging stations, it is not very convenient to charge electric vehicles, thereby causing inconvenience to the use of electric vehicles.

[0003] In addition, due to the impact of the driving conditions or usage habits of the electric vehicle, the battery manager will have certain errors in the calculation of the mileage of the electric vehicle, so the battery may be insufficient or exhausted before...

Claims

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