Wireless energy and signal synergy transmission system based on magnetic resonance
A technology of wireless transmission and wireless energy, applied in the direction of transmission system, electrical components, etc., can solve the problems of short transmission distance and low energy transmission efficiency of wireless energy/signal coordinated transmission system
Inactive Publication Date: 2013-02-13
WUHAN UNIV
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Problems solved by technology
[0005] The present invention mainly solves the problems that the energy transmission efficiency of the existing far-field-based RFID wireless energy / signal coordinated transmission system is too low and the transmission distance of the wireless energy / signal coordinated transmission system based on electromagnetic induction is too short; it provides a magnetic resonance-based wireless energy and signal coordinated transmission system
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Embodiment Construction
[0021] In the present invention, the energy and signal share the driving antenna, transmitting coil, receiving coil and load antenna for wireless transmission based on magnetic resonance. The technical solution of the present invention will be described in detail below in conjunction with the drawings and embodiments.
[0022] see figure 1 , Figure 6 , the embodiment of the present invention includes a driving module 1 , a transmitting module 2 , a receiving module 3 and a load module 4 .
[0023] The driving module includes a power supply, a frequency generator, a microcontroller unit, a modulator, a power amplifier, a demodulator and a driving antenna; the output terminals of the power supply are respectively connected to the frequency generator, the microcontroller unit, the modulator, the demodulator and the power amplifier ; In the energy and signal wireless transmission process, the corresponding coded signal generated by the micro-control unit according to the data t...
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A wireless energy and signal synergy transmission system based on magnetic resonance comprises a drive module, a transmitting module, a receiving module and a load module, wherein the drive module comprises a power supply, a frequency generator, a micro controller unit (MCU), a modulator, a power amplifier, a demodulator and a drive antenna. The transmitting module comprises a transmitting coil and a tuning capacitor. The receiving module comprises a receiving coil and a tuning capacitor. The load module comprises a load antenna, a rectifier, a demodulator, a modulator, an MCU and an application circuit. The drive module can synergically transmit energy and signals to a free space, and the energy and signals are wirelessly transmitted through the transmitting module and the receiving module and are then received by the load module. The load module can also feed the signals back through a wireless transmission mode, and the signals are wirelessly transmitted through the transmitting module and the receiving module and are then received by the drive module. The system is based on the wireless transmission of magnetic resonance, and has the advantages of high transmission efficiency, long transmission distance, bidirectional communication, no interference of obstacles, realization of flexibility and the like.
Description
technical field [0001] The invention relates to the technical field of energy / signal coordinated transmission, in particular to a magnetic resonance-based wireless energy and signal coordinated transmission system. Background technique [0002] The development of wireless technology, including wireless signal transmission and wireless energy transmission, is in full swing, and it has increasingly penetrated into every aspect of our life, constantly affecting and changing our daily life. With the rise of cloud computing and the Internet of Things, computing and environment-aware smart devices will spread all over the world, and the earth we live in will become a "smart earth". In order to realize this vision, a series of key technologies are needed, and wireless energy / signal coordinated transmission is one of the key technologies. The wireless energy / signal coordinated transmission technology will free the terminal from the shackles of power lines and signal lines, and has ...
Claims
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Login to View More IPC IPC(8): H04B1/38H04B1/40
Inventor 石新智祁昶叶双莉王高峰
Owner WUHAN UNIV