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ECPT-based electric energy and signal circuit separated parallel transmission system and parameter design method

A signal loop and transmission system technology, applied in transmission systems, near-field transmission systems using capacitive coupling, near-field transmission systems, etc. Interfering, reducing complexity effects

Active Publication Date: 2017-10-03
重庆华创智能科技研究院有限公司
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Problems solved by technology

[0004] This application solves the technical problems of mutual crosstalk between power transmission and signal transmission and complex signal channels by providing an ECPT-based parallel transmission system for power and signal loop separation and a parameter design method

Method used

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  • ECPT-based electric energy and signal circuit separated parallel transmission system and parameter design method
  • ECPT-based electric energy and signal circuit separated parallel transmission system and parameter design method
  • ECPT-based electric energy and signal circuit separated parallel transmission system and parameter design method

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Embodiment

[0052] An ECPT-based parallel transmission system for power and signal loop separation, such as figure 1 shown, including the DC power supply E dc , high-frequency inverter circuit, first LC resonant network, electric field coupling mechanism, second LC resonant network, rectifier filter circuit, load R L and signal transmission channels, where:

[0053] The DC power supply E dc Connected to the input end of the high-frequency inverter circuit, connected to the first LC resonant network at the output end of the high-frequency inverter circuit, the first LC resonant network includes a resonant inductance L 1 with the resonant capacitor C 1 , at the resonant capacitor C 1 The two ends of each are connected to an emitter plate, and the second LC resonant network includes a resonant inductor L 2 with the resonant capacitor C 2 , at the resonant capacitor C 2 Each of the two ends of each is connected to a receiving plate, the transmitting plate and the receiving plate are co...

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Abstract

The invention provides an ECPT-based electric energy and signal circuit separated parallel transmission system and a parameter design method. A signal transmission channel composed of a pair of signal transmission pole plates and a signal detection resistor is added on the basis of an ECPT system achieving double-side LC compensation, and the parameter design method is proposed accordingly. According to the system and the method, an additional impedance isolating circuit does not need to be added for reducing electric energy crosstalk, the low-crosstalk and low-attenuation signal transmission channel is constructed through the self impedance characteristic, stable, reliable and parallel transmission of signals is achieved through the channel on the premise that the electric energy transmission power is guaranteed, and meanwhile the channel complexity and the integral system cost are reduced. In addition, the effectiveness of the method is verified through simulation and experiments, and electric energy and signal parallel transmission in the Baud rate range of 1.2 kbps to 115.2 kbps is achieved through built system experiment devices.

Description

technical field [0001] The invention relates to the technical field of wireless power transmission, in particular to an ECPT-based parallel transmission system and parameter design method for separating power and signal loops. Background technique [0002] Wireless Power Transfer (WPT) technology, as a new type of power access method, gets rid of the shackles of wires, making power access more flexible, safe and convenient, and has broad application prospects in many fields. has received more and more attention from the society. Electric-field Coupled Power Transfer (ECPT) technology uses the electric field as the power transmission medium, and has a simple, light, thin, shape-changing and low-cost coupling mechanism; the electric field is limited between the coupling electrodes, and the electromagnetic radiation generated by the surrounding environment Extremely small; can transmit power through metal barriers and other advantages. At present, many experts and scholars ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B5/00H04B15/00H04L27/04H04L27/06H04B17/391
CPCH04B15/00H04B17/3912H04L27/04H04L27/06H04B5/22H04B5/79Y02D30/70
Inventor 苏玉刚朱梦磊唐春森孙跃戴欣王智慧叶兆虹
Owner 重庆华创智能科技研究院有限公司
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