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An intelligently tunable energy wireless transmission system

A wireless transmission and energy technology, applied in transportation and packaging, electric vehicles, current collectors, etc., can solve the problem that the position and distance between the transmitting unit and the receiving unit cannot be fixed, the transmitting unit and the receiving unit cannot resonate, the transmission distance and the transmission efficiency are affected and other issues to achieve the effect of reducing impact, reducing system cost, and improving the adjustment range

Inactive Publication Date: 2021-03-26
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the continuous advancement of science and technology, the magnetic coupling resonance energy wireless transmission has a medium transmission distance, and the structure increases the tuning network to realize leakage inductance compensation and frequency compensation, thereby improving the transmission distance and transmission efficiency; but in practical applications, due to the transmission unit and the receiver The position and distance of the unit cannot be fixed, resulting in changes in the mutual inductance parameters, so that the transmitting unit and the receiving unit cannot resonate, and the transmission distance and transmission efficiency are seriously affected; in addition, the inconsistency of the load parameters will also cause the above effects

Method used

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  • An intelligently tunable energy wireless transmission system
  • An intelligently tunable energy wireless transmission system
  • An intelligently tunable energy wireless transmission system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 Overall structure of the present invention

[0029] Overall structural block diagram of the present invention is as figure 1 Shown:

[0030] The input end of the AC-DC conversion unit 2 is connected to the mains 1, the output end is connected to the input end of the inverter circuit 3, the output end of the inverter circuit 3 is connected to the transmitting coil 4, and the transmitting coil 4 is also connected to the input of the tuning circuit 5 end and the input end of the feedback unit 6 are connected, the output end and the enabling end of the feedback unit 6 are respectively connected with the input end and the control end of the control unit 7, and the output end of the control unit 7 is connected with the input end of the tuning circuit 5; the receiving coil 8 is connected to the input terminal of the voltage stabilizing rectification filter circuit 9, and the output terminal of the voltage stabilizing rectification filter circuit 9 is connected to...

Embodiment 2

[0033] Embodiment 2 Feedback unit

[0034] The circuit structure of the feedback unit 6 is as figure 2 As shown, the 1 port of the relay K1 is used as the input terminal of the feedback unit 6, which is recorded as the port In_Volt, and is connected to the transmitting coil 4, and the 3 port of the relay K1 is used as the enabling terminal of the feedback unit 6, which is recorded as the port S_Drive, and is connected with the control unit 7 The control terminal of the relay K1 is connected to the anode of the diode D1; the 2 ports of the relay K1 are connected to the power supply VCC; the cathode of the diode D1 is connected to one end of the resistor R1, one end of the resistor R2, and one end of the capacitor C1; the other end of the resistor R1 is connected to the capacitor C1 The other end of the resistor R2 is connected to GND; the other end of the resistor R2 is connected to one end of the resistor R3 and one end of the capacitor C2, and is used as the output end of th...

Embodiment 3

[0036] Embodiment 3 control unit

[0037] The structure of the control unit 7 is as image 3 As shown, the output end of the analog-to-digital converter 707 is connected to the single-chip microcomputer 701, and the input end is used as the input end of the control unit 7, and is connected to the output end (ie, port Out_Volt) of the feedback unit 6, and the single-chip microcomputer 701 is also connected to the first control circuit 703 respectively. , the input end of the second control circuit 704, the third control circuit 705, the fourth control circuit 706, and the fifth control circuit 702 are connected; the output end of the fifth control circuit 702 is used as the control end of the control unit 7, and the feedback unit 6 The enable terminal (ie, the port S_Drive) is connected, and the output terminals of the first control circuit 703, the second control circuit 704, the third control circuit 705, and the fourth control circuit 706 (ie, the port Out_Drive of each cont...

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Abstract

The invention relates to an energy wireless transmission system capable of being intelligently tuned, belonging to the technical field of energy wireless transmission. Structure with AC-DC convert unit (2), an inverter circuit (3), a transmit coil (4), a tuning circuit (5), a feedback unit (6), a control unit (7), a receiving coil (8) and a stabilized rectifying filter circuit (9). The invention makes the transmitting unit always in the resonant state through the intelligent tuning network, improves the transmission efficiency of the system, and effectively reduces the influence of the position of the receiving coil, the distance and the magnitude of the internal resistance of the load on the transmission efficiency of the whole system.

Description

technical field [0001] The invention belongs to the technical field of energy wireless transmission, in particular to an intelligently tuneable energy wireless transmission system. Background technique [0002] With the continuous development of energy wireless transmission technology, it plays an increasingly important role in people's lives; ranging from household appliances to industrial equipment and medical electronics, wireless energy transmission has entered the stage of historical science and technology, and will play its important role and significance. [0003] Although energy wireless transmission has gradually entered people's lives and will play a huge role, it is accompanied by many problems of its own; so far, the transmission distance and transmission efficiency of energy wireless transmission still have room for improvement, so the solution Its transmission distance and transmission efficiency have become the focus of current research. [0004] With the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/12H02J7/02
CPCH02J7/025H02J50/12
Inventor 田小建高鹏彪马春阳梁雪由旭佳邓军刘大凯
Owner JILIN UNIV
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