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Method for realizing wireless power charging transmission efficiency measurement processing for handheld instrument based on computer software

A transmission efficiency, wireless power technology, applied in the field of instrumentation energy transmission, instrumentation, can solve problems such as hand-held instrumentation is not involved, and achieve the effect of less influencing factors, small error, and large application range

Active Publication Date: 2020-04-14
TRANSCOM INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, wireless power transmission has been realized in the field of mobile phones, but it has not been involved in handheld instruments.

Method used

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  • Method for realizing wireless power charging transmission efficiency measurement processing for handheld instrument based on computer software
  • Method for realizing wireless power charging transmission efficiency measurement processing for handheld instrument based on computer software
  • Method for realizing wireless power charging transmission efficiency measurement processing for handheld instrument based on computer software

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Embodiment Construction

[0031] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.

[0032] The method of the present invention based on computer software for measuring and processing the transmission efficiency of wireless power charging for handheld instruments includes the following steps:

[0033] (1) The computer software system performs initialization processing;

[0034] (2) The system obtains the size parameters of the TX coil and the RX coil of the corresponding handheld instrument according to the user's input information;

[0035] (3) The system calculates the mutual inductance coefficient between the racetrack coil TX and RX by calling calculation software according to the size parameters of the TX coil and the RX coil of the obtained handheld instrument; the calculation software is MATLAB calculation software, which includes the following step:

[0036] (3.1) Calculate the mu...

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Abstract

The invention relates to a method for realizing wireless power charging transmission efficiency measurement processing for a handheld instrument based on computer software. The method comprises the following steps: calculating a mutual inductance coefficient between two semicircles of a runway type coil TX and a runway type coil RX according to a Newman formula; calculating a mutual inductance coefficient between the semicircular part of the runway type coil TX and the rectangular part of the RX coil; calculating a mutual inductance coefficient between the rectangular part of the runway type coil TX and the rectangular part of the RX coil; calculating a mutual inductance coefficient between the semicircular part of the runway type coil TX and the RX coil, and correcting a calculation result according to the angle dislocation between the coils; calculating a mutual inductance coefficient between the whole TX coil and the RX coil; and further calculating the transmission efficiency according to the mutual inductance coefficients between the TX coil and the RX coil and a forward transmission gain. With the method for measuring the wireless power charging transmission efficiency of thehandheld instrument based on the computer software, the influence factors of transmission efficiency calculation are reduced, the error is small, and the application range is wide.

Description

technical field [0001] The invention relates to the field of instruments and meters, in particular to the field of energy transmission of instruments and meters, and specifically refers to a method for measuring and processing wireless power charging transmission efficiency based on computer software for handheld instruments. Background technique [0002] The technical essence of wireless energy transmission or wireless power transmission is based on power supply and load, without any transmission line between them, and only through electromagnetic induction and coupling, energy is transmitted. Factors such as distance, frequency, and coil model all affect the transmission efficiency. So far, wireless power transmission has been realized in the field of mobile phones, but it has not been involved in handheld instruments. Usually when finding the mutual inductance coefficient M between two coils, Greenhouse and Newmann's formula are used Etc. formula calculation. To calcu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G06F30/20
CPCG01R31/00
Inventor 黄蔚
Owner TRANSCOM INSTR
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