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Carbon fiber voltage meter

A voltmeter and carbon fiber technology, which is applied in the direction of measuring current/voltage, measuring electricity, measuring electrical variables, etc., can solve the problems of pointer reverse bias, bent pointer, damage to carbon fiber voltmeter, etc., and achieves easy production, low cost, and structure. simple effect

Inactive Publication Date: 2015-05-27
DALIAN LINQIAO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Now when people use carbon fiber voltmeters to measure voltage, they often connect the "positive" and "negative" terminals to reverse the pointer. If the measured voltage is too large, the pointer will be bent, which will damage the carbon fiber voltmeter.

Method used

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  • Carbon fiber voltage meter

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Embodiment Construction

[0011] The purpose of the present invention is to provide a novel carbon fiber voltmeter, which can light-emitting diodes to prompt when the "positive" and "negative" terminals are reversed, so that the carbon fiber voltmeter will not be damaged.

[0012] The object of the present invention is achieved like this: a kind of novel carbon fiber voltmeter, two light-emitting diodes are connected in parallel between A, B two points in the internal structure circuit of the carbon fiber voltmeter, B, C in the internal structure circuit of the carbon fiber voltmeter Connect two ordinary diodes in parallel between the two points.

[0013] Due to the adoption of the above-mentioned structure, when the voltage is measured, the "positive" and "negative" terminals are reversed, and the light-emitting diode emits light to prompt, so as to achieve the purpose of not damaging the carbon fiber voltmeter. The number of light-emitting diodes 1 connected in parallel between two points A and B is ...

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Abstract

The invention discloses a carbon fiber voltage meter, and belongs to the technical field of carbon fiber voltage meters. Two light emitting diodes are connected between an A point and a B point in parallel in a structural circuit inside the carbon fiber voltage meter, and two ordinary diodes are connected between the B point and a C point in parallel in the structural circuit inside the carbon fiber voltage meter.

Description

technical field [0001] The invention relates to a carbon fiber voltmeter and belongs to the technical field of carbon fiber voltmeters. Background technique [0002] Now when people use carbon fiber voltmeters to measure voltage, they often connect the "positive" and "negative" terminals to reverse the pointer. If the measured voltage is too large, the pointer will be bent, which will damage the carbon fiber voltmeter. Contents of the invention [0003] The present invention aims at the proposal of above problem, and develops carbon fiber voltmeter. [0004] The purpose of the present invention is to provide a novel carbon fiber voltmeter, which can give a light-emitting diode prompt when the "positive" and "negative" terminals are reversed, so that the carbon fiber voltmeter will not be damaged. [0005] The purpose of the present invention is achieved in that two light-emitting diodes are connected in parallel between A and B points in the internal structure circuit of ...

Claims

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Application Information

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IPC IPC(8): G01R19/00G01R31/02
Inventor 宋佳轩
Owner DALIAN LINQIAO TECH