Weighing system anti-cheating device and detection method based on digital sensor

Abstract

The invention discloses a weighing system anti-cheating device based on a digital sensor. The weighing system anti-cheating device based on the digital sensor comprises the digital sensor installed in a weighing system and is characterized in that the digital sensor comprises a strain type electrical bridge, the power end of the strain type electrical bridge is connected with a power interface of the digital sensor through a switch, the output end of the strain type electrical bridge is connected with a processor unit through an AD conversion module, and the processor unit is further connected with the control end of the switch. The anti-cheating device further comprises a current detection unit arranged between the power interface of the digital sensor and a sensor power source, and the output end of the current detection unit is connected with the processor unit. According to the weighing system anti-cheating device based on the digital sensor, the digital sensor enters the dormant state according to instructions, the basic current of the system is reduced, and current increased due to installation of a cheating device can be conveniently detected. The weighing system anti-cheating device based on the digital sensor has the advantages that the structure is simple, the effect of preventing cheating through a remote control is good, and misjudgment and false negatives are not prone to happening.

Description

technical field [0001] The invention relates to the field of anti-cheating of a weighing system, in particular to an anti-cheating device and a detection method of a weighing system based on a digital sensor. Background technique [0002] The method of remote control cheating is to add a wireless receiving device and signal superimposer to the weighing system, and send cheating commands through the remote controller outside. After receiving the command, the receiving device controls the signal superimposing device to work and change the weighing data to achieve cheating. the goal of. [0003] The current anti-cheating method is to judge whether there is a cheating remote controller working by receiving and analyzing the wireless signal near the weighing device, and if found, it will alarm and other processing. The method of receiving and analyzing wireless signals to detect cheating remote controllers is mainly judged by analyzing the existing wireless communication protoco...

AI Technical Summary

Problems solved by technology

The method of receiving and analyzing wireless signals to detect cheating remote controls is mainly based on the analysis of existing remote control wireless communication protocols, which is easy to misjudgment, and at the same time cannot detect remote controls with unknown frequency bands and unknown protocols

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