Inductive sensor

About: Inductive sensor is a research topic. Over the lifetime, 2282 publications have been published within this topic receiving 21984 citations.

Contactless safety sensor with PTC switch - has conductive tracks within housing which if broken due to mechanical damage of housing cause fault function to be signalled

Abstract: The safety sensor includes a front end sensor arrangement in a sensor housing. The sensor arrangement is connected to an amplifier. The electrical state of the sensor arrangement for external proximity acts upon operating elements, and the current representing the operating state of the amplifier is output at electrical contacts. One or more conductive tracks run within the housing so that an interruption of a track due to mechanical damage of the housing causes a signal on one of the amplifier contacts, which signals a fault function of the sensor. ADVANTAGE - Outputs signal when mechanical damage occurs to sensor housing for deduction of sensor endangering function.

Position sensor for use in process plant, has two energy sources attached at sensor, where energy sources supply electric energy to both electronic component i.e. microcomputer, and sensor independent of each other

Abstract: The sensor has a sensor (55) for detecting a position of a regulating armature (3). An electronic component i.e. microcomputer (23), processes a position signal generated by the sensor (55), where the electronic component is connected with the sensor (55). Two energy sources (33, 35) are attached at the sensor, where the energy sources supply electric energy to both the electronic component and the sensor (55) independent of each other. The energy sources are provided with an operating device e.g. personal computer. An independent claim is also included for an arrangement including a pneumatic drive for actuating a regulating armature and a position sensor.

Embedded Inductive Sensor System in Helping Industrial Machine Maintenance Problems

Abstract: The inductive sensor / proximity sensor was preliminarily initiated to be used as a micro level limit switch where its potential in speed measurement was not taken advantage by the industries. Thus, looking into its potential significant contribution, this paper presents the performance of a non-contact inductive sensor which was used to remotely measure the high speed rotational spindle with high degree of accuracy. The sensor was used to generate pulse correlating the rotational speed of a machine. An experiment was conducted using a self-designed test rig to investigate its performance in counting the machine spindle speed which can help to ease the machine maintenance task for technical supports. The measuring was monitored by a specially designed LCD display, connected to an electronic circuit and a microcontroller. The test result shows that the inductive proximity sensor yields up to 95% in terms of rotational speed accuracy. The setup was made to suit a single monitoring system, while the modular based for multiple systems that integrate different operations are in progress.

Gripper with coiled sensor wire

Abstract: A proximity sensing assembly for sensing the proximity of a metallic workpiece to a work holding device includes Hall-effect sensor. The magnetic field generated by the magnet is altered when a metallic workpiece is in close proximity to a magnet. Due to an offset relationship between the sensor and the poles of the magnet, the polarity detected by the Hall-effect sensor is analogous to a reversal when a metallic workpiece is proximate the magnet rather than simply detecting a change in strength. Thus the polarity detected by the Hall-effect sensor sends a clearly defined signal indicating the presence or absence of a workpiece in the work holding device.

Offset hall-effect sensor

Abstract: A proximity sensing assembly for sensing the proximity of a metallic workpiece to a work holding device includes Hall-effect sensor. The magnetic field generated by the magnet is altered when a metallic workpiece is in close proximity to a magnet. Due to an offset relationship between the sensor and the poles of the magnet, the polarity detected by the Hall-effect sensor is analogous to a reversal when a metallic workpiece is proximate the magnet rather than simply detecting a change in strength. Thus the polarity detected by the Hall-effect sensor sends an clearly defined signal indicating the presence or absence of a workpiece in the work holding device.