Performance improvement device of wireless transmission system based on combination of negative magnetic and zero magnetic metamaterials
A technology of wireless power transmission and system performance, applied in the direction of circuit devices, electrical components, etc., can solve problems such as low wireless power transmission efficiency and electromagnetic leakage, and achieve the effects of improving electromagnetic compatibility, improving performance, and improving transmission efficiency
Inactive Publication Date: 2018-12-18
HUAZHONG UNIV OF SCI & TECH +3
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[0006] In view of the above defects or improvement needs of the prior art, the present invention provides a wireless power transmission system performance improvement device based on the combination of negative magnetic and zero magnetic metamaterials, the purpose of which is to effectively improve the efficiency of the wireless power transmission system and improve the efficiency of the power transmission process. Electromagnetic safety, thereby solving the technical problems of low efficiency of wireless power transmission and serious electromagnetic leakage
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[0041]In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0042] Such as figure 1 As shown, the wireless power transmission system performance improvement device based on the combination of negative magnetic and zero magnetic metamaterials provided by the embodiment of the present invention is applied to the wireless power transmission system. The wireless power transmission system includes a coaxial transmission device 1 and a receiving device 2,
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The invention discloses a wireless transmission system performance improvement device based on the combination of negative magnetic field and zero magnetic metamaterial, The invention relates to a radio energy transmission system comprising a transmitting device and a receiving device, belonging to the radio energy transmission performance field, comprising a negative permeability metamaterial anda near-zero permeability metamaterial, wherein the negative permeability metamaterial is disposed between the transmitting device and the receiving device; There are two near zero permeability metamaterials, located in front of the transmitting device and behind the receiving device, for receiving the leaking magnetic field emitted and reflecting the magnetic field lines. The device of the invention can effectively reduce the magnetic field leakage of the radio energy transmission system and improve the transmission efficiency of the system, and is easy to implement and low in cost.
Description
technical field [0001] The invention belongs to the field of wireless power transmission performance, and more specifically, relates to a wireless power transmission system performance improvement device based on the combination of negative magnetic and zero magnetic metamaterials. Background technique [0002] With the deepening of modernization and electrification of human society, wireless power transmission technology provides a new idea to overcome the shortcomings of "wired" transmission process. Its introduction makes the production and use of electric energy wider and more diverse. [0003] In recent years, in addition to the application in the power industry, wireless power transmission technology has broad application prospects in transportation, medical electronic equipment, consumer electronic equipment, space solar satellites and other fields, but there are still technical bottlenecks in this technology. On the one hand, due to the limitation of the topological ...
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IPC IPC(8): H02J50/50
CPCH02J50/50
Inventor 刘明海路聪慧黄修涛荣灿灿陶雄胡朝阳张明魏斌王松岑
Owner HUAZHONG UNIV OF SCI & TECH