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Inductance measurement circuit

An inductance measurement and circuit technology, applied in the field of measurement circuits, can solve the problems of difficulty in popularization, high price, and large measurement errors, and achieve the effects of simple circuit structure, high measurement accuracy, and simple operation.

Inactive Publication Date: 2016-03-09
XINXIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Measuring instruments designed based on this measurement method not only have complex circuit structures, many components, high production costs, but also large measurement errors; other high-precision digital measuring instruments are mostly expensive and difficult to popularize

Method used

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  • Inductance measurement circuit
  • Inductance measurement circuit
  • Inductance measurement circuit

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Embodiment Construction

[0007] This technical scheme is made of pulse control circuit 1, step pulse circuit 2, action voltage circuit 3, reference voltage circuit 4, display circuit 5, single-chip microcomputer 6, and comparison circuit 7, (as image 3 Shown) described pulse control circuit 1 is connected with the input end of step pulse circuit 2 and the output end of single-chip microcomputer 6 respectively, and the output end of described step pulse circuit 2 is connected with the input end of action voltage circuit 3 and single-chip microcomputer 6 respectively connected, the output end of the action voltage circuit 3 is connected with the input end of the comparison circuit 7, the output end of the reference voltage circuit 4 is connected with the input end of the comparison circuit 7, and the output end of the comparison circuit 7 is connected with the single chip microcomputer 6 The input end of the single chip microcomputer 6 is connected with the input end of the display circuit 5 to form an ...

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PUM

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Abstract

The invention discloses an inductance measurement circuit, which is formed by a pulse control circuit, a step pulse circuit, an action voltage circuit, a reference voltage circuit, a display circuit, a single chip microcomputer and a comparison circuit, wherein the output end of the pulse control circuit is respectively connected with the input end of the step pulse circuit and the output end of the single chip microcomputer; the output end of the step pulse circuit is respectively connected with the input ends of the action voltage circuit and the single chip microcomputer; the output end of the action voltage circuit is connected with the input end of the comparison circuit; the output end of the reference voltage circuit is connected with the input end of the comparison circuit; the output end of the comparison circuit is connected with the input end of the single chip microcomputer; and the output end of the single chip microcomputer and the input end of the display circuit are connected to form the inductance measurement circuit. The inductance measurement circuit of the invention has the advantages of high measurement precision, fast speed, simple circuit structure, few elements, simple operation, automatic measurement result display and the like.

Description

Technical field: [0001] The invention relates to a measuring circuit, which is especially suitable for inductance measurement. Background technique: [0002] In the case of circuit design, researchers need to accurately understand the inductance of multiple inductive components for modeling, simulating, and calculating various circuits. The traditional measurement method is to measure the AC parameters of the inductor, and use the derivation Approximate formulas are calculated. Measuring instruments designed based on this measurement method not only have complex circuit structures, many components, high production costs, but also large measurement errors; other high-precision digital measuring instruments are mostly expensive and difficult to popularize. Invention content: [0003] The task of the present invention is to provide an inductance measuring circuit with few circuit components and fast measurement. [0004] The task of the present invention is accomplished lik...

Claims

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Application Information

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IPC IPC(8): G01R27/26
Inventor 张清枝曹帅宋科科
Owner XINXIANG UNIV
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