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Wireless Power Transfer System Based on Transmission Line

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

Active Publication Date: 2022-04-15
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 Transfer System Based on Transmission Line
  • Wireless Power Transfer System Based on Transmission Line
  • Wireless Power Transfer System Based on Transmission Line

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Experimental program
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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 wireless power transmission system based on the transmission line belongs to the field of wireless power transmission, and solves the problem that the existing magnetic coupling resonant wireless power transmission system has a complex structure due to the use of a concentrated parameter circuit network for impedance matching. The wireless power transmission system: the main transmission unit based on the long line is connected to the high-frequency power supply, the main transmission unit, the impedance matching unit based on the lossless short line, the filter unit and the magnetic coupling resonance unit are connected in sequence, and the magnetic coupling resonance unit is connected to the load . The main transmission unit is used for long-distance transmission of electric energy, the impedance matching unit is used to achieve impedance matching between the main transmission unit and the magnetic coupling resonance unit, the filter unit is used to filter out high-order harmonics, and the magnetic coupling resonance unit It is used to realize wireless power transmission between high frequency power supply and load. The transmission line-based wireless power transmission system of the present invention is suitable for high-efficiency wireless transmission of electric energy and stable power of power source 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 Patents(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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