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A signal measuring switch

A signal measurement and switching technology, applied in electronic switches, electrical components, pulse technology, etc.

Inactive Publication Date: 2011-11-30
SUZHOU SUZHU IND CONTROL ENG TECH RES CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a signal measurement switch, which solves the detection problem of mechanical action completion signals in the modern manufacturing process

Method used

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  • A signal measuring switch
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Embodiment Construction

[0017] Such as figure 1 It is a schematic diagram of the structure of the present invention, a signal measurement switch with three contacts, the first contact and the second contact are respectively connected to the positive and negative contacts of the power supply, and the second and third contacts are switch signal output terminals. An oscillating circuit capable of generating a high-frequency magnetic field is arranged in the signal measuring switch.

[0018] Precautions for the selection of proximity switches: In general industrial production sites, capacitive proximity switches are usually used. Because this kind of proximity switch has lower requirements on the environment. If the measured object is non-metal (or metal), liquid level height, powder height, plastic, tobacco, etc. Use capacitive proximity switches. The response frequency of this switch is low, but the stability is good.

[0019] No matter which proximity switch is selected, attention should be paid t...

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Abstract

The invention relates to a signal measuring switch, which is provided with three contacts, the first contact and the second contact are respectively connected to positive and negative contacts of a power supply, and the second and third contacts are switch signal output ends. Install the measuring switch at the target position of the mechanical part that needs to measure the action signal. The mechanical part needs to have a metal part, preferably iron. When the mechanical part moves to the target position, the measurement signal detects the mechanical part, and the It will send the target switch signal to the control system, so that the machine can continue to the next action.

Description

technical field [0001] The invention relates to a protection device, in particular to a protection device for a proximity switch. Background technique [0002] Among all kinds of switches, there is a component that has the ability to "perceive" objects approaching it-displacement sensors. Using the sensitivity of the displacement sensor to the approaching object to achieve the purpose of controlling the switch to be on or off, this is the proximity switch. Proximity switch is also called non-contact travel switch. In addition to stroke control and limit protection, it is also a non-contact detection device, which is used to detect part size and speed measurement, etc. It can also be used for frequency conversion counter and frequency conversion pulse generation. Device, liquid level control and automatic connection of processing programs, etc. Features include reliable operation, long life, low power consumption, high reset positioning accuracy, high operating frequency, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/945
Inventor 钱洪海
Owner SUZHOU SUZHU IND CONTROL ENG TECH RES CENT CO LTD