A multi-channel wireless energy transmission system and method with communication function
A wireless energy transmission and energy transmission technology, applied in the electrical field, can solve the problems of lack of universality and versatility, poor energy transmitter, increase of system size and cost, etc., to achieve time-sharing signal and energy transmission, Use flexibly and ensure the effect of normal communication
Active Publication Date: 2021-06-11
BEIJING INST OF SPACECRAFT SYST ENG
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Problems solved by technology
[0003] However, at present, the application conditions of wireless energy transmission are relatively single and fixed. Usually, the sending end and the receiving end correspond one-to-one, which is not universal and versatile.
Especially with the development of wireless energy transmission requirements, when multiple energy transmission requests appear, one or more energy transmitters cannot coordinate well to satisfy multiple requests at the same time, or need to be added outside the energy transmission coil Communication modules or coils are used to assist communication, increasing system size and cost
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[0048] The type of electrical equipment at the receiving end will cause a slight difference in the workflow. Taking electrical equipment 1 and electrical equipment 2 at the receiving end as rechargeable batteries as an example, the working process of the system is as follows:
[0049] Step 1: Initial setting: Turn on the transmitter controller, receiver controller 1, and receiver controller 2, switch both the transmitter power / signal switch and the receiver power / signal switch to the communication channel, and turn off the energy transmission channel , the controller at the sending end cyclically detects whether there is signal feedback from the receiving end of wireless energy transmission;
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The invention provides a multi-channel wireless energy transmission system and method with a communication function, which can automatically match multiple different wireless energy transmission units, and complete functions such as information communication between one sending end and multiple receiving ends, energy transmission, and fault diagnosis. In multi-channel energy transmission, there will inevitably be a situation where a new receiving end sends out power during non-communication time. Different transmission channels have different power requirements. In order to meet the power requirements of different channels, it is necessary to turn on, turn off and adjust the primary side. Output power, so that the transmission power and efficiency can be maintained at a relatively high level, guaranteed not to be lower than the design value. Through the power / signal switching switch, time-sharing signal and energy transmission can be realized. In addition, the multi-channel wireless energy transmission system can adapt to the change of the receiving end, and the number of coils at the receiving end can be set according to the needs to realize one-to-many wireless energy transmission. more flexible.
Description
technical field [0001] The invention belongs to the electrical field, and in particular relates to a control method for multi-channel wireless energy transmission for coil communication. Background technique [0002] Wireless power transmission technology is a new type of power transmission method. Compared with the traditional power transmission method using wire connection, it refers to a power transmission method without direct electrical contact from the power source to the load. Wireless energy transmission technology has now received widespread attention in smart phones, modern homes, pure electric vehicles and other fields, and has been applied in many ways. The application of wireless power transfer technology in the field of consumer electronics is developing rapidly, and an industry standard has been formed. Mobile phone wireless charging technology has matured and been widely used. Computers and smart homes are about to realize the industrial application of wirele...
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IPC IPC(8): H04B5/00H04B5/02
CPCH04B5/0031H04B5/0037H04B5/0087H04B5/02
Inventor 刘治钢张晓峰朱立颖马亮陈琦付林春熊晓英王飞杨世春闫啸宇
Owner BEIJING INST OF SPACECRAFT SYST ENG
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