Electric energy pulse precision detection method

Abstract

The invention discloses an electric energy pulse precision detection method which comprises the following steps: S11, after a current measurement electric energy metering device is powered on, inputting a standard signal source signal, a pulse constant and an inspection frequency of the current measurement electric energy metering device through a key, and aligning a photoelectric receiving port with a pulse signal lamp of the measurement electric energy metering device, and waiting for flickering of the pulse signal lamp; S12, after the pulse signal lamp flickers, enabling an MCU timer to start timing, receiving the next flicker, enabling the timer to stop timing, and calculating an error value between accumulated timing and standard time; and S13, performing the S12 according to the setnumber of times of inspection, obtaining error values with the same number as the number of times of inspection, and defining the average value of the error values to be the electric energy error value.

Description

technical field [0001] The invention relates to the technical field of electronic instrument detection, in particular to a method for detecting electric energy pulses with convenience, photoelectric isolation or communication detection. Background technique [0002] With the development of the society, the electric energy metering device with small size and multiple functions is more and more favored by customers, which also puts forward higher requirements for the research and development of electric energy metering device and electric energy inspection. [0003] The traditional electric energy detection device only has a wired electric energy pulse input detection port, and the miniaturized electric energy metering device has a pulse display light, but does not have an electric energy pulse output terminal, so it cannot directly detect electric energy pulse. [0004] The traditional method can only judge the accuracy of electric energy by detecting power and counting elect...

AI Technical Summary

Problems solved by technology

[0003] The traditional electric energy detection device only has a wired electric energy pulse input detection port, and the miniaturized electric energy metering device has a pulse display light, but does not have an electric energy pulse output terminal, so it cannot directly detect electric energy pulse

[0004] The traditional method can only judge the accuracy of electric energy by detecting power and counting electric energy, which brings inaccuracy and difficulty to electric energy detection

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