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Position sensing switch

A sensor switch and resistor technology, applied in the field of sensors, can solve the problem that the intelligent system is not easy to distinguish sensors, and achieve the effects of multiple functions, simple structure and improved reliability

Inactive Publication Date: 2006-10-18
内蒙古第一机械制造(集团)有限公司工程机械制造公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, traditional position sensors have various forms such as ultrasonic type, photoelectric type, capacitive type, resistive type, mechanical contact switch type, magnetic induction contact switch type, magnetic induction non-contact switch type, etc. Among them, the magnetic induction contact switch type The structure is the simplest, reliable, and cheap, so it has been widely used, but this kind of sensor has a defect in the application of intelligent systems: when the sensor or the line connecting the sensor fails, the intelligent system is not easy to distinguish the failure of the sensor itself Or is it a fault in the line connecting the sensor?

Method used

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Effect test

Embodiment 1

[0010] see figure 1 , figure 2 Shown, the present invention is made up of resistor A1, sleeve 2, permanent magnet 3, float 4, dry reed switch contact 5, dry reed switch 6, resistor B7, connecting wire 8, fixed seat 9, is in traditional The interior of the contact switch sensor is in accordance with the figure 1 space layout and figure 2 As shown in the electrical schematic diagram, a resistor is connected to both sides of the reed switch contact 5. Now take the magnetic induction contact switch type position sensor connection resistor as an example for the following detailed description: Resistor B7 and reed switch 6 In series, the resistor A1 is connected in parallel with the reed switch 6 and the resistor B7, the common end of the reed switch 6 and the resistor A1 is used as an output line of the sensor of the present invention, and the common end of the resistor A1 and the resistor B7 is used as the sensor of the present invention Another output line, by adding the abo...

Embodiment 2

[0011] Example 2: If Capacitor A and Capacitor B are used instead of Resistor A and Resistor B

[0012] see figure 1 , figure 2 As shown, a capacitor is connected to both sides of the reed switch contact 5, and the magnetic induction contact switch type position sensor connection capacitor is taken as an example for the following detailed description: the capacitor B7 is connected in series with the reed switch 6, and the capacitor A1 is connected to the reed switch. Tube 6 and capacitor B7 are connected in parallel. The common end of reed switch 6 and capacitor A1 is used as an output line of the sensor of the present invention, and the common end of capacitor A1 and capacitor B7 is used as another output line of the sensor of the present invention. By adding the above capacitor, the sensor of the present invention has the following output characteristics: when the reed switch contact 5 is disconnected, the sensor of the present invention presents the capacitive reactance ...

Embodiment 3

[0013] Example 3: If a pneumatic switch contact is used instead of a reed switch contact

[0014] according to figure 2 As shown in the electrical schematic diagram, the present invention is to connect a resistor on both sides of the pneumatic switch contact, and now take the connection resistor of the pneumatic switch contact position sensor as an example to make the following detailed description: the resistor B7 is connected to the pneumatic switch contact The points are connected in series, and the resistor A1 is connected in parallel with the pneumatic switch contact and the resistor B7. The common end of the pneumatic switch and the resistor A1 is used as an output line of the sensor of the present invention, and the common end of the resistor A1 and the resistor B7 is used as another output line of the sensor of the present invention. By adding the above resistor, the sensor of the present invention has the following output characteristics: the sensor of the present i...

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PUM

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Abstract

The present invention belongs to the field of sensor technology. In the concrete, it relates to a position sensing switch. It is composed of resistor A. sleeve, permanent-magnet, float, bourdon tube contact, bourdon tube, resistor B, connecting wire and fixing seat. The invented position sensing switch is a new contact switch type sensing device, so that its reliability is high and its structure is simple.

Description

Technical field: [0001] The invention belongs to the field of sensors, and in particular relates to a position sensing switch. Background technique: [0002] At present, traditional position sensors have various forms such as ultrasonic type, photoelectric type, capacitive type, resistive type, mechanical contact switch type, magnetic induction contact switch type, magnetic induction non-contact switch type, etc. Among them, the magnetic induction contact switch type The structure is the simplest, reliable, and cheap, so it has been widely used, but this kind of sensor has a defect in the application of intelligent systems: when the sensor or the line connecting the sensor fails, the intelligent system is not easy to distinguish the failure of the sensor itself Or a fault in the line connecting the sensor. Invention content: [0003] The purpose of the present invention is to set a resistor or capacitor for changing the output characteristics inside the existing sensor de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H36/02
Inventor 果崇贤
Owner 内蒙古第一机械制造(集团)有限公司工程机械制造公司
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