Wireless power transmission system based on transmission line

A wireless energy transmission and transmission line technology, applied in the direction of electrical components, circuit devices, etc., can solve problems such as complex structures, and achieve the effects of small size, low manufacturing difficulty, and simple structure

Active Publication Date: 2018-06-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the existing magnetic coupling resonant wireless power transmission system has a complex structure due to the use of a centralized parameter circuit network for impedance matching, the present invention proposes a wireless power transmission system based on transmission lines

Method used

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  • Wireless power transmission system based on transmission line
  • Wireless power transmission system based on transmission line
  • Wireless power transmission system based on transmission line

Examples

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Embodiment

[0047] Embodiment: combine below Figure 1 to Figure 7 This embodiment will be described in detail.

[0048] The transmission line-based wireless power transmission system described in this embodiment includes a main transmission unit 1 based on a long line, an impedance matching unit 2 based on a lossless short line, a filter unit 3 and a magnetic coupling resonance unit 4;

[0049] The main transmission unit 1 and the high frequency power supply U S The main transmission unit 1, the impedance matching unit 2, the filter unit 3 and the magnetic coupling resonance unit 4 are connected in sequence, and the magnetic coupling resonance unit 4 is connected to the load R L connected;

[0050] The main transmission unit 1 is used for long-distance transmission of electric energy;

[0051] The impedance matching unit 2 is used to achieve impedance matching between the main transmission unit 1 and the magnetic coupling resonance unit 4;

[0052] The filter unit 3 is used to filter o...

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Abstract

The invention discloses a wireless power transmission system based on a transmission line, belonging to the field of wireless power transmission, which solves the problems of complex structure of theexisting magnetic coupling resonant wireless power transmission system due to the adoption of a centralized parameter circuit network for impedance matching. The wireless power transmission system comprises a main transmission unit based on a long line connecting with a high-frequency power supply, wherein the said main transmission unit, an impedance matching unit based on the lossless short line, a filtering unit and a magnetic coupling resonator unit are sequentially connected, and the magnetic coupling resonator unit is connected with aload. The said main transmission unit is used for long-distance transmission of electric energy; the said impedance matching unit is used to make the said main transmission unit realize impedance matching with the magnetic coupling resonator unit; the filtering unit is use to filter the ultraharmonics; the magnetic coupling resonator unit is used to realize wireless power transmission between the high-frequency power supply and the load. The radio power transmission system based on a transmission line of the invention applies to the efficient wireless transmission of electric energy and the power of stable power supply and load.

Description

technical field [0001] The invention relates to a wireless power transmission system, which belongs to the field of wireless power transmission. Background technique [0002] As an emerging wireless power transmission method, magnetic coupling resonant wireless power transmission is being increasingly used in electric vehicles due to its many advantages such as good safety, high reliability, strong environmental affinity and low maintenance costs. , biomedicine, instrumentation, smart clothing and household appliances and other fields. [0003] The principle of the magnetic coupling resonant wireless power transmission system is to realize the wireless transmission of electric energy through the strong electromagnetic coupling effect between the transmitting coil and the receiving coil with the same resonance frequency. In theory, the magnetically coupled resonant wireless power transfer system can achieve efficient power transmission within the meter-level range. [0004]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12
CPCH02J50/12
Inventor 齐超葛经纬徐汉卿齐赛岳琪宋剑英
Owner HARBIN INST OF TECH
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