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a voltmeter

A voltmeter and electrofusion technology, applied in the field of measuring instruments, can solve the problems of not being able to protect electrical equipment, and cannot detect the output voltage of generators, etc., to achieve the effect of protecting electrical equipment and indicating accurate voltage

Active Publication Date: 2018-06-22
SICHUAN GANGZHENG ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a voltmeter, which aims to solve the problem that the voltmeter in the market cannot detect the output voltage of the generator and cannot protect the electrical equipment

Method used

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Embodiment Construction

[0016] In order to further understand the content, features and effects of the present invention, the following examples are given, and detailed descriptions are given below with reference to the accompanying drawings.

[0017] Such as figure 1 , 2 , 3, and 4 show: a voltmeter, including a housing 1, a bottom solder piece 2, a pointer 3, a hairspring 4, a moving frame 5, a frame 6, a magnetic coil 7, a wire 8, a terminal point 9, a resistor 10, Electrofusion 11 and diode 12; the base welding piece 2 is arranged inside the housing 1, the magnetic ring 7 is embedded inside the base welding piece 2, and the frame 6 is fixed on the base welding piece 2 by screws and located on the magnetic Inside the ring 7, the moving frame 5 and the pointer 3 are fixed on the frame 6 and connected by the balance spring 4;

[0018] The base solder piece 2 is provided with first and second terminal points, one lead pin of the resistor 10 is welded to the first terminal point 9-1, the other lead ...

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PUM

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Abstract

The invention relates to a voltmeter which comprises a housing, a base soldering lug, a pointer, a hair spring, a movable frame, a frame, a magnetic circle, a conducting wire, a wiring end point, a resistor, a capacitor and a diode, wherein the base soldering lug is arranged in the housing; the magnetic circle is embedded in the base soldering lug; the frame is fixed on the base soldering lug through screws and is arranged in the magnetic circle; the movable frame and the pointer are both fixed on the frame and connected with each other through the hair spring. The voltmeter is directly connected with a generator, and used for monitoring voltage output by the generator, so as to protect electric appliances. When current passes through the magnetic circle, an electromagnetic ring is formed in the frame, and running voltage of the electric appliances can be shown accurately by the resistor, the capacitor and the diode according to the electromagnetic technology; the frame is connected with the pointer through the hair spring to move in a magnetic field, and the pointer indicates the voltage through figures on a dial scale, so as to facilitate observation, effectively control the running state of the generator, and achieve the purpose of protecting the electric appliances.

Description

technical field [0001] The invention belongs to the technical field of measuring instruments, in particular to a voltmeter. Background technique [0002] At present, in the power meter industry, backward inductive energy meters are gradually being eliminated by electronic energy meters. At present, relatively mature electronic multi-function meters on the market have been widely used in power systems. With the development of the power industry and the continuous improvement of market requirements, watt-hour meters need to develop in the direction of high precision, intelligence and multi-function. For power monitoring, intelligent control, measurement and assessment applications such as power systems, industrial and mining enterprises, and intelligent buildings, multifunctional power meters with high cost performance, high precision, and high reliability replace conventional power transmitters, measuring and indicating instruments, and electric energy measuring instruments. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R19/00G01R31/34
Inventor 李勇
Owner SICHUAN GANGZHENG ELECTRONICS TECH CO LTD