An electronic label resistance online detection circuit

Abstract

The invention discloses an electronic label resistance online detection circuit, which includes a power management module, a BSL download and serial communication module, an input and output module, a meter pen detection module, a numerical control constant current source module, an instrument amplification module, a running indicator light module, and an alarm module and the controller. Each module adopts the existing mature technology, wherein the power management module includes a 5V voltage conversion circuit with LM1085 as the core, a 3.3V voltage conversion circuit with AMS1117 as the core and a 5V voltage inversion circuit with LMC7660 as the core. Small size, high precision and low cost; it has the functions of data acquisition, processing and storage.

Description

technical field [0001] The invention belongs to the technical field of radio frequency identification, and in particular relates to an electronic tag resistance online detection circuit. Background technique [0002] Electronic tag technology is a wireless communication technology that uses radio frequency signals to conduct non-contact two-way communication, automatically identify target objects and obtain relevant information data, which emerged in the 1990s. As the most widely used and most mature technology in the Internet of Things, electronic tags are listed as one of the most promising important industries and application technologies in the 21st century. According to statistics, in 2008, the market size of my country's electronic label industry reached 6.58 billion yuan. In 2009, the market size reached about 7 billion yuan, a year-on-year increase of 20.6%. In 2010, the market size of my country's electronic label industry reached 12.15 billion yuan. In 2011, the ...

AI Technical Summary

Problems solved by technology

The performance testing of electronic tags by domestic manufacturers is basically still in the manual testing stage, and there are shortcomings such as poor detection accuracy, low automation level and detection efficiency, and difficulty in evaluating label quality parameters and counting quantities.

There are many manufacturers who judge the quality of products directly based on the acousto-optic reaction of the label entering the detection area by the label reading and writing system. This method is cumbersome and inefficient, and is no longer suitable for enterprises that produce labels on a large scale.

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