Vehicle-mounted bidirectional charger and vehicle-mounted bidirectional power supply method and device

A two-way power supply and charger technology, which can be used in electrical devices, electric vehicle charging technology, charging stations, etc., and can solve problems such as high-voltage electric shocks for personnel

Active Publication Date: 2017-07-28
BEIJING ELECTRIC VEHICLE
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  • Abstract
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Problems solved by technology

[0002] The slow charging port of electric vehicles is used to supply power to the power battery of the car or to supply power to external vehicles. When supplying power to external vehicles, the position of the slow charging port needs to transmit a large If it is turned on by mistake when there is no need for power supply, the power battery will also supply power to the slow charging port, which may easily lead to high-voltage electric shock

Method used

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  • Vehicle-mounted bidirectional charger and vehicle-mounted bidirectional power supply method and device
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  • Vehicle-mounted bidirectional charger and vehicle-mounted bidirectional power supply method and device

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[0067] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments. In the following description, specific details, such as specific configurations and components, are provided only to assist in a comprehensive understanding of the embodiments of the present invention. Accordingly, those of ordinary skill in the art should recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0068] It should be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of t...

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Abstract

The invention provides a vehicle-mounted bidirectional charger and a vehicle-mounted bidirectional power supply method and device. The vehicle-mounted bidirectional power supply method is applied to a vehicle-mounted bidirectional charger and comprises the steps that a first voltage value detected at a cover plate interface position of a slow charging port is received; if the first voltage value is a first preset voltage value, a current working mode of the vehicle-mounted charger itself is determined as an inversion mode, so that a power battery connected with the vehicle-mounted bidirectional charger performs power supply through an electric socket connected with the vehicle-mounted bidirectional charger itself; a second voltage value detected at the cover plate interface position of the slow charging port is received; if the second voltage value is a second preset voltage value, the vehicle-mounted charger in the inversion mode is switched to a shutdown state. By adopting the vehicle-mounted bidirectional charger and the vehicle-mounted bidirectional power supply method, the phenomenon that the slow charging position is electrified at high voltage and person hurt is caused can be prevented when the slow charging port is not connected with a charging gun or a discharging gun and is in an opened state.

Description

technical field [0001] The invention relates to the field of vehicle charging, in particular to a vehicle-mounted bidirectional charger, a vehicle-mounted bidirectional power supply method and a device. Background technique [0002] The slow charging port of electric vehicles is used to supply power to the power battery of the car or to supply power to external vehicles. When supplying power to external vehicles, the position of the slow charging port needs to transmit a large If it is turned on by mistake when no power supply is needed, the power battery will also supply power to the slow charging port, which may easily lead to high-voltage electric shock. Contents of the invention [0003] The technical problem to be solved by the embodiments of the present invention is to provide a vehicle-mounted bidirectional charger, a vehicle-mounted bidirectional power supply method and device, to prevent personal injury caused by charging of the slow charging port when the slow ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L1/00B60L3/00B60L11/18
CPCB60L1/00B60L1/006B60L3/00B60L2210/40B60L53/14B60L53/20B60L53/16B60L55/00Y02E60/00Y02T10/70Y02T10/7072Y02T90/14Y04S10/126
Inventor 鲁卫申肖胜然庄启超蒋荣勋苏伟杨子发
Owner BEIJING ELECTRIC VEHICLE
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