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A Bilateral LCC Compensation Network for Wireless Power Transmission and Its Tuning Method

A technology of wireless power transmission and compensation network, which is applied in transmission systems, electrical devices, power management, etc., and can solve problems such as complex system control, low transmission power, and low transmission efficiency

Inactive Publication Date: 2016-01-20
重庆米亚车辆技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the existing capacitance compensation method is applied to high-power wireless power transmission, there are the following bottlenecks: first, the transmission power is not large, second, the transmission efficiency is low, and third, the resonant frequency point varies with Constantly changing working status makes system control complex

Method used

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  • A Bilateral LCC Compensation Network for Wireless Power Transmission and Its Tuning Method
  • A Bilateral LCC Compensation Network for Wireless Power Transmission and Its Tuning Method
  • A Bilateral LCC Compensation Network for Wireless Power Transmission and Its Tuning Method

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Embodiment Construction

[0062] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0063] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...

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Abstract

The invention discloses a bilateral LCC compensation network for wireless power transmission and a tuning method thereof, belonging to the technical field of wireless power transmission. A transmitting circuit includes a transmitting coil 103, one end is connected to the transmitting coil 103, the other end is connected to the first capacitor C1 with the compensation inductance, the other is connected in parallel to the capacitor Cf1 at both ends of the transmitting coil 103, and the first capacitor C1 and the compensation inductance It is connected in series between a voltage source and the transmitting coil; a receiving circuit includes a receiving coil 104, one end is connected with the receiving coil 104, the other end is connected with the second capacitor C2 of the compensation inductance, and the other is connected in parallel between the receiving coil 104 The capacitor Cf2 at the end, and the second capacitor C2 and the compensation inductor are connected in series between the battery and the transmitting coil.

Description

technical field [0001] The invention relates to a wireless power transmission system, in particular to a bilateral LCC compensation network for wireless power transmission and a tuning method thereof. Background technique [0002] The concept of resonant wireless power transmission was proposed by Tesla more than 100 years ago. With the continuous development of power electronics technology in recent years, the cost of wireless charging devices has been continuously reduced, and the charging efficiency has been comparable to that of contact charging. Due to the convenience and safety of wireless charging, the related market is developing rapidly. Low-power wireless charging equipment has begun to be promoted in the fields of mobile portable devices and implanted medical devices. The power transmission power in this field varies from a few milliwatts to tens of watts depending on the specific application. In high-power wireless charging, the power transmission power can rea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/12H02M3/335B60L50/16
CPCB60L3/0023B60L2210/30B60L2210/40B60L2240/529B60L2270/147B60L2240/527H04B5/0081Y02T90/12Y02T10/7072Y02T10/70Y02T90/14H02J50/70H02J50/10B60L53/22B60L50/16B60L53/36H04B5/0037B60L53/122H02J2310/48H02J7/0071Y02T10/72H02J50/90H02J50/12B60L53/12
Inventor 米春亭李思奇李维汉邓钧君
Owner 重庆米亚车辆技术有限公司
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