Sensor, particularly linear displacement sensor for determination of position of piston in pneumatic cylinders, comprises resilient shock absorbing element arranged between longitudinal side housing wall and circuit board surface

摘要

#CMT# #/CMT# The sensor comprises an elongated housing (2), and a circuit board (4) with sensor elements (6) inside the housing. A resilient shock absorbing element (12) is arranged between a longitudinal housing wall (8) and a circuit board surface (10). Another resilient shock absorbing element (18) is arranged between a front side (14) of the housing and a circuit board edge side (16). The former resilient shock absorbing elements are arranged at regular intervals along the longitudinal side housing wall. #CMT# : #/CMT# An independent claim is included for a method of manufacturing a sensor. #CMT#USE : #/CMT# Sensor, particularly linear displacement sensor or linear magnetic field sensor for measuring sections of different lengths for determination of position of pneumatic or hydraulic piston in pneumatic cylinders of automatically operating machines. Can also be used as an opto-electronic sensor, such as lighting grid for machine safety and automation tasks and as a magnetic displacement sensor for determining position of a transmitter magnet along a path. #CMT#ADVANTAGE : #/CMT# The resilient shock absorbing element is arranged between a longitudinal side housing wall and a circuit board surface, where another resilient shock absorbing element is arranged between a front side of the housing and a circuit board edge side, and thus a simple and compact structure, and an economical manufacturing of the sensor with safe and accurate mounting of the circuit board in the housing of the sensor, and prevents displacement of the circuit board due to high mechanical loads, such as high vibration or shock loads, and ensures machine safety and reliability by accurate determination of the position of the pneumatic or hydraulic piston in the pneumatic cylinder. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a sectional view of a linear displacement sensor. 1 : Linear displacement sensor 2 : Housing 4 : Circuit board 6 : Sensor elements 8 : Longitudinal housing wall 10 : Circuit board surface 12,18 : Resilient shock absorbing elements 14 : Housing front side 16 : Circuit board edge side.