Testing method and system of thickness sensor

Abstract

The invention provides a testing method and system of a thickness sensor and relates to the technical field of electronic testing. The method comprises the steps of: utilizing the thickness sensor to collect thickness data of a plurality of pieces of standard tested bank notes; according to thickness data collected by each channel of the thickness sensor, obtaining the fluctuation range of the data collected by each channel, and judging whether the fluctuation range of the data collected by each channel is in a preset fluctuation range; according to the thickness data collected by each channel of the thickness sensor, calculating a difference parameter of each channel, and judging whether the difference parameter of each channel is smaller than a preset difference parameter threshold; according to the thickness data collected by each channel of the thickness sensor, calculating a mean difference parameter of each channel, and judging whether the mean difference parameter of each channel is smaller than a preset mean difference parameter threshold; and according to the above three judging results, determining whether the sensor is normal. According to the invention, automatic detection of the thickness sensor is realized, manpower and time consumed by the testing are reduced, and the testing efficiency and the reliability of the testing result are improved.

Description

technical field [0001] The invention belongs to the technical field of electronic testing, in particular to a testing method and system for a thickness sensor. Background technique [0002] In ATM machines and banknote sorting machines, the thickness detection of banknotes is a necessary function. Through the thickness characteristics of banknotes, the adhesive tape and folded corners on the banknotes can be identified, so as to reject unqualified banknotes. As the adhesive tape may be attached to any position on the banknote, the thickness detection must be able to cover the range of the entire banknote. It is necessary to set up multiple thickness sensors closely arranged. The structure of each thickness sensor is the same, and the detection principle is also the same. Through multiple independent The signals detected by the thickness sensor are spliced ​​into the thickness characteristics of the whole banknote, so as to identify whether the thickness of the banknote is ab...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide a testing method and system for a thickness sensor, which aims to solve the time-consuming and labor-consuming problems of the above-mentioned manual testing method, and errors caused by human factors are prone to occur, which affects the reliability of the testing results. The problem

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