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Wireless charging coil aligning mechanism

An alignment mechanism and wireless charging technology, applied in charging stations, electric vehicle charging technology, electric vehicles, etc., can solve the problems of transmission efficiency and power drop, and the coils on both sides are prone to offset, etc., to overcome the non-automatic alignment , Realize the effect of automatic alignment and prevent crushing

Inactive Publication Date: 2017-08-25
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, when the car is parked, the coils on both sides are prone to offset, resulting in a decrease in transmission efficiency and power

Method used

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0022] Combine below Figure 1 to Figure 4 The invention is described in further detail with specific examples.

[0023] The present invention includes a secondary side coil protection case 29 , a primary side coil protection case, an X-direction driving mechanism, a Y-direction driving mechanism, a Z-direction lifting mechanism, a connecting bracket 7 and a base 11 .

[0024] The primary side coil protection shell includes primary side shell cover 20, primary side shell wall 26, primary side shell bottom 27, special-shaped supporting bridge upper plate 23, special-shaped supporting bridge lower plate 24, supporting bridge 22, fixed angle profile...

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Abstract

The invention discloses a wireless charging coil aligning mechanism, belonging to the technical field of wireless power transmission. The wireless charging coil aligning mechanism comprises a secondary side coil protection shell, a primary side coil protection shell, an X-direction driving mechanism, a Y-direction driving mechanism, a Z-direction lifting mechanism, a connecting bracket, a base and electric control and sensor assemblies, wherein the X-direction driving mechanism, the Y-direction driving mechanism, the Z-direction lifting mechanism and the sensor and electric control assemblies constitute a mobile resistance device with spatial three degrees of freedom; and a square shell and a special-shaped support plate constitute the primary side coil protection shell. The wireless charging coil aligning mechanism disclosed by the invention overcomes the defect that primary and secondary side coils of a traditional wireless charging device for an electric vehicle can not be automatically aligned; automatic aligning of the primary and secondary side coils when the vehicle is parked is realized through the mobile structure with three degrees of freedom; and meanwhile, by designing the special-shaped support plate with a special shape, the pressure-resisting degree of the primary side coil is improved so as to prevent the primary side coil from being crushed by vehicle tires. The wireless charging coil aligning mechanism disclosed by the invention can better adapt to the working condition of the electric vehicle for wireless charging.

Description

technical field [0001] The invention belongs to the field of wireless charging of electric vehicles, in particular to a wireless charging coil alignment mechanism for three-degree-of-freedom movement in space formed by an X-direction driving mechanism, a Y-direction driving mechanism, a Z-direction lifting mechanism, sensors and electronic control components. Background technique [0002] In recent years, with the continuous development of power electronics technology, the efficiency and power of wireless charging systems have been continuously improved, and the application range has been continuously expanded. One of the main applications of wireless charging at present is the field of electric vehicles. Due to the bottleneck of battery technology, compared with internal combustion engine vehicles, electric vehicles have problems that cannot be solved in the short term, such as short battery life and high cost. Using wireless charging technology can avoid the technical pro...

Claims

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Application Information

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IPC IPC(8): B60L11/18
CPCB60L53/38Y02T10/70Y02T10/7072Y02T90/12
Inventor 张智敏马浩雄张彬
Owner SHANGHAI JIAO TONG UNIV
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