Measuring system for automatic verification of three electrical meters and method for realizing automatic verification

A measurement system, electrical three-meter technology, applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve the problems of cumbersome calculation of verification data, low accuracy of indication readings, and low verification efficiency, so as to improve verification efficiency and Reliability, effect of reducing error

Inactive Publication Date: 2017-10-27
YUNNAN INST OF MEASUREMENT TEST TECH RES
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Problems solved by technology

One of the main problems of this traditional verification method is the low accuracy, poor reliability, and poor repeatability of the readings displayed by human eyes, and the human subjective influence is relatively large.
At the same time, the calibration data calculation of voltage, current and power meters is cumbersome, and the calibration personnel spend most of their time on the pointer and data processing during the calibration process, so the labor intensity is high and the calibration efficiency is low.

Method used

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  • Measuring system for automatic verification of three electrical meters and method for realizing automatic verification
  • Measuring system for automatic verification of three electrical meters and method for realizing automatic verification
  • Measuring system for automatic verification of three electrical meters and method for realizing automatic verification

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] Such as figure 1 , 2 As shown, the present invention provides a measurement system for automatic verification of three electric meters, which includes: a standard meter 20 and a signal source 30 respectively communicating with the main control computer 10, and the standard meter 20 is a programmable AC / DC standard meter 20. The signal source 30 is connected to a tested meter 40. The signal source 30 includes a DC voltage stabilizer 32, a DC constant current...

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Abstract

The invention relates to the field of meter verification, in particular to a measurement system for automatic verification of three electrical meters and a method for realizing automatic verification. The system includes standard meters and signal sources that are respectively in communication with a main control computer. The AC / DC standard meter, the signal source is connected with a tested meter, the signal source includes a DC voltage stabilizer, a DC constant current source and an AC audio program-controlled power supply, the DC voltage stabilizer, the DC constant current source and The AC audio program-controlled power supply is connected to the meter under test. The invention can realize the automatic verification of the three electrical meters, and greatly improves the verification efficiency and reliability.

Description

technical field [0001] The invention relates to the field of instrument verification, in particular to a measurement system in the process of automatic verification of three electrical meters and a method for realizing automatic verification. Background technique [0002] The verification of the three electrical meters (ammeter, voltmeter, power meter) is very extensive in practical applications, not only the number is large, but also the process is complicated. Since most of the three electrical meters are pointer meters, the verification method of pointer meters is usually to analyze and calibrate the pointer meters by visually observing the difference between the pointer scale readings and the standard input signal, specifically: reading by human eyes The data of the tested meter, and manually adjust the signal source according to the information read by the verification personnel to make the tested meter point to the verification point, and then manually record and calcu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/00
Inventor 曾舒帆李亚娟张颖超陈万才朱自科张自长苏红张绍旺何洪伟胡波尹志豪
Owner YUNNAN INST OF MEASUREMENT TEST TECH RES
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