A system and method for wireless energy transmission for airtight metal containers
A metal container and wireless energy transmission technology, applied in the direction of circuit devices, electrical components, etc., can solve problems such as heat generation and affect system transmission efficiency, and achieve the effects of avoiding heat generation, high transmission efficiency, and good directivity
Active Publication Date: 2019-11-29
INST OF ACOUSTICS CHINESE ACAD OF SCI
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Problems solved by technology
[0004] Although there are more and more applications for wireless energy transmission using ultrasound, there is currently no effective method and system for ultrasonic energy transmission for closed metal containers
And during the experiment, it was found that with the increase of the working time of the wireless power transmission system, the metal medium accumulates a large amount of heat energy due to mechanical loss, and the heating phenomenon is serious, which will directly affect the transmission efficiency of the system
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[0025] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0026] figure 1 It is a schematic structural diagram of a system for wireless energy transmission for airtight metal containers provided by an embodiment of the present invention.
[0027] figure 2 It is a schematic structural diagram of an ultrasonic energy transmission channel provided by an embodiment of the present invention.
[0028] Such as figure 1 As shown, the wireless energy transmission system includes a control processing module 1, a power amplification module 2, a transmission matching network 3, a phase control module 4, an ultrasonic energy transmission channel 5, an environmental monitoring module 6, a receiving matching network 8 and voltage conversion and The energy storage module 9 ; wherein the ultrasonic energy transmission channel 5 is composed of an ultrasonic transmitting transducer 11 and a...
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The invention discloses a system for wireless energy transmission for a sealed metal container. The system comprises a control processing module (1), a power amplification module (2), a transmitting matching network (3), a phase control module (4), an ultrasonic energy transmission channel (5), an environment monitoring module (6), a receiving matching network (8) and a voltage conversion and energy storage module (9), wherein the ultrasonic energy transmission channel (5) mainly comprises an ultrasonic transmitting transducer (11) and an ultrasonic receiving transducer (12) which are fixed on the surface of a metal layer (7) of the sealed metal container. By virtue of the system, wireless energy transmission to the equipment in the container can be realized without damaging the structural completeness of the metal container; and in addition, the system has the advantages of low energy loss, high directivity, high transmission efficiency and no extra electromagnetic radiation interference.
Description
technical field [0001] The invention relates to the technical field of ultrasonic wireless energy transmission, in particular to a system and method for wireless energy transmission for closed metal containers. Background technique [0002] Using cables as a power transmission medium not only has problems such as wiring, line aging, and tip discharge, but also with the increase of electrical equipment, various power lines are entangled, which brings great inconvenience to people's lives. For this reason, the research and application of wireless power transmission technology has received more and more attention and development in recent years. At present, there are many wireless energy transmission methods mainly including inductive coupling, capacitive coupling, microwave, laser, magnetic coupling and resonance methods, etc. When the transmission medium is air, these methods can adapt to most applications and energy transmission with different power requirements. However, ...
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IPC IPC(8): H02J50/15
Inventor 王俊张碧星黄娟阎守国
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI