Roller device generating pulse signals

Abstract

The invention discloses a roller device generating pulse signals, which comprises a rotatable stop pulley, a nonrotatable end cover, and a sensor arranged in the stop pulley, wherein the central position of the stop pulley is provided with a nonrotatable wheel shaft; the end cover and the wheel shaft form connection; the sensor has three types, namely a photo-electric induction type, a magnetic induction type and a connection point type; and taking the photo-electric induction type as instance, a code wheel is arranged and rotated along with the stop pulley, the end cover is fixed with an optical transceiver, when the code wheel is rotated along the stop pulley to measure the length and positions, the number of turns of the code wheel is detected by the pulse signals which are generated by the optical transceiver emitting light to a reflective bar code of the code wheel, and signal values access a counter to obtain the measured length or positions.

Description

technical field [0001] The invention relates to a sensing device installed in a roller structure to generate a pulse signal, which belongs to the technical field of measuring length or position. Background technique [0002] In daily life, cloth, paper, leather, plastic film, steel plate, cable, optical fiber, etc. must be made into specific lengths during production, and then priced and sold in units of length. Although there are electronic stopwatches, counters, etc. in the way of measuring length, in order to meet the needs of more rapid and accurate measurement, a length measuring device is currently introduced, which is electrically connected to a position sensor outside a rotatable wheel. The position sensor can be such as Potentiometer, optical rotary encoder optical rotary encoder, absolute optical encoder absolute optical encoder, linear variable differential transformer linear variable differential transformer rotary resolver resolver and other electronic sensing d...

AI Technical Summary

Problems solved by technology

[0004] 1. There is a relative proportional signal value between the diameter and circumference length of the wheel and the signal generated by the sensor of the position sensor, so that the measured length can only be read after the counter is connected. However, the individual separation of the wheel and the position sensor makes it difficult for the two to cooperate in manufacturing and assembly Precision, because it is easy to install wrongly, the precision will be wrong, the assembly is cumbersome, and the production process is added, which is very troublesome, so it lacks standardization and the manufacturing cost is high

[0005] 2. Since the sensor is exposed, it is easily damaged by environmental humidity, temperature, vibration and other factors, especially the precision electronic components are damp, and their performance is easily damaged

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