Automatic alignment method and system for vehicle charging interface and external charging connector
A technology of charging interface and charging connector
Active Publication Date: 2022-03-18
DONGFENG MOTOR GRP
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Problems solved by technology
[0003] The present invention solves the technical problem of how to realize the automatic alignment of the vehicle charging interface and the external charging joint by providing an automatic alignment method and system for the vehicle charging interface and the external charging joint
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Embodiment Construction
[0051] The embodiment of the present invention solves the technical problem of how to realize the automatic alignment of the vehicle charging interface and the external charging connector by providing an automatic alignment method and system for the vehicle charging interface and the external charging connector.
[0052] In order to better understand the technical solution of the present invention, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0053] First of all, the term "and / or" that appears in this article is just an association relationship that describes associated objects, which means that there can be three relationships, for example, A and / or B, which can mean: there is A alone, and A exists at the same time and B, there are three cases of B alone. In addition, the character " / " in this article generally indicates that the contextual objects are an "or" relati...
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The invention discloses an automatic alignment method and system for a vehicle charging interface and an external charging connector, and relates to the technical field of automatic charging of electric vehicles. The method comprises the following steps: firstly, outputting compressed air of which the pressure intensity is a first preset pressure intensity to a vehicle charging interface by taking an operating distance as a first preset distance in a vehicle calibration state, and obtaining a standard characteristic frequency spectrum; when the vehicle needs to be automatically charged, compressed air is output to the vehicle charging interface with the same operating distance and pressure intensity, a real-time characteristic frequency spectrum is obtained, and whether the external charging connector and the vehicle charging interface achieve accurate alignment or not is judged according to whether the real-time characteristic frequency spectrum is the same as the standard characteristic frequency spectrum or not; when the real-time characteristic frequency spectrum is different from the standard characteristic frequency spectrum, the position of the external charging connector is adjusted until the real-time characteristic frequency spectrum is the same as the standard characteristic frequency spectrum, and automatic and accurate alignment of the vehicle charging interface and the external charging connector can be achieved.
Description
technical field [0001] The invention relates to the technical field of automatic vehicle charging, in particular to an automatic alignment method and system for a vehicle charging interface and an external charging connector. Background technique [0002] The vehicle automatic charging device is composed of a positioning device and a mechanical actuator. The positioning device obtains the pose information of the vehicle charging interface through sensors (which can be simplified as the center point coordinates and normal vectors of the docking plane between the charging interface and the external charging connector), and the mechanical actuator According to the pose information of the charging interface, the movement of the external charging connector is controlled and finally aligned with the charging interface of the vehicle, and the external charging connector is inserted into the charging interface of the vehicle for charging. Among them, realizing the automatic alignmen...
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IPC IPC(8): B60L53/16B60L53/35
CPCB60L53/16B60L53/35Y02T10/70Y02T10/7072Y02T90/12Y02T90/14
Inventor 陈桐李光瞿爱敬程鸣田海舟
Owner DONGFENG MOTOR GRP