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System and method for electric vehicle wireless charging

A technology of wireless charging and electric vehicles, applied in the direction of electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problems of low conversion efficiency of wireless charging devices and on-board receiving devices, complex alignment procedures between charging coils and receiving coils, etc. To achieve the effect of operation realization and safety improvement

Active Publication Date: 2017-09-26
NINGBO SANXING INTELLIGENT ELECTRIC
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] The present invention proposes a system and method for wireless charging of electric vehicles, which solves the problem that the alignment procedure between the charging coil and the receiving coil is relatively complicated, and the conversion efficiency of the wireless charging device and the vehicle-mounted receiving device is low

Method used

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  • System and method for electric vehicle wireless charging
  • System and method for electric vehicle wireless charging
  • System and method for electric vehicle wireless charging

Examples

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Embodiment 1

[0038] Example 1, such as Figure 1~9 As shown, a system and method for wireless charging of electric vehicles, including a wireless charging receiving device 8 arranged under the electric vehicle, a wireless charging transmitting device set in the parking area 1 of the electric vehicle, and the wireless charging transmitting device is arranged on the ground In the above, the wireless charging receiving device 8 establishes a communication connection with the wireless charging transmitting device through a communication module. The wireless charging receiving device includes a receiving coil 81 and an energy management system connected to the receiving coil 81. The energy received by the receiving coil 81 passes through the energy The management system is delivered to the vehicle battery, and the wireless charging receiving device (8) is also provided with a battery management system, the battery management system is connected to the communication module, and the battery manage...

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Abstract

The invention discloses a system and method for electric vehicle wireless charging. A lifting device and a charging coil sliding rail are arranged on a wireless charging emission device, a controller on the wireless charging emission device controls the lifting device to move and position on the charging coil sliding rail, and the position of the lifting device is determined according to the curve chart of the conversion rate of received power and transmitted power, so that alignment of a transmitting coil and a receiving coil is achieved. According to the system and method, by means of the technical means of wireless charging, transmission of energy between a transmitting device and a receiving device is achieved, contact and exposure of parts are avoided so that the durability and service life of charging parts can be improved, and the safety of charging is improved; according to the curve chart of the conversion rate of the received power of the receiving coil and the output power of the charging coil, the controller determines the final position of the lifting device, then alignment of the charging coil and the receiving coil is achieved through rotation of the chainwheel of the charging coil, and automatic control is achieved through minimum operation.

Description

technical field [0001] The invention relates to the battery charging field of a wireless charging electric vehicle or a hybrid electric vehicle, in particular to a system and method for wireless charging of an electric vehicle. Background technique [0002] In recent years, with the problems of energy consumption and environmental pollution, due to the development of science and technology, the technology of electric vehicles and hybrid electric vehicles is developing rapidly. With the increase of electric vehicles, how to better charge electric vehicles to users It brings various bad experiences. In the existing technology, wired charging piles or wireless charging piles are generally used to charge electric vehicles. Compared with wired charging piles, wireless charging piles improve charging by limiting the contact and exposure of components. Durability and longevity of components, increased safety by hiding potentially dangerous circuits and connection interfaces, and en...

Claims

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Application Information

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IPC IPC(8): B60L11/18H02J50/90H02J50/10H02J7/00
CPCB60L53/12B60L53/38H02J7/025Y02T10/70Y02T10/7072Y02T90/12Y02T90/14
Inventor 郑坚江邵柳东黄晓玲
Owner NINGBO SANXING INTELLIGENT ELECTRIC
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