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Microswitch test monitoring system and method

A micro switch and monitoring system technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., to achieve the effect of easy acquisition and traceability, and a wide range of applications

Pending Publication Date: 2019-07-23
宁波拓普电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing equipment cannot meet the above requirements, and a new test system needs to be developed

Method used

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  • Microswitch test monitoring system and method
  • Microswitch test monitoring system and method

Examples

Experimental program
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Embodiment

[0027] A kind of micro switch test monitoring system of present embodiment, such as figure 1 As shown, it includes a test device 3, a single-chip microcomputer 2 and a host computer 1. The test device 3 is provided with a transmission mechanism 5 and a test product 4. The transmission mechanism 5 is controlled by a single-chip microcomputer. The host computer and the single-chip computer communicate through a serial port. The test product 4 and the test product 4 The resistor R is connected in series to form a voltage divider circuit. The resistance value of the resistor R is 1070 ohms, and the voltage VCC is 5V. The connection between the test product and the resistor R is connected to the ADC port of the single-chip microcomputer. In this embodiment, the single-chip microcomputer adopts the STC15F2K602 single-chip microcomputer.

[0028] Such as figure 2 As shown, the test device includes a rotating mechanism 5, a base plate 6, a test product placement area and a pair of pl...

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Abstract

The invention relates to a microswitch test monitoring system and method. The system comprises an upper computer, a single chip microcomputer and a test device, wherein the single chip microcomputer is respectively connected with the upper computer, the test device and a test product; the test device comprises a driving motor, a transmission shaft, a cam, a positioning pin and a position sensor; the test product, the driving motor and the position sensor are all connected with the single chip microcomputer; the cam and the positioning pin are arranged on the transmission shaft which is drivenby the driving motor to rotate. The system enables the cam to trigger the microswitch at a certain frequency by adjusting the rotating speed of the motor; a first sensor and a second sensor are respectively triggered when the microswitch is closed and opened, so that the single chip microcomputer samples the voltages of the microswitch of the test product when the microswitch is closed and opened,and the resistance value of the test product is obtained by utilizing a voltage division circuit.

Description

technical field [0001] The invention relates to the field of product testing, in particular to a micro switch test monitoring system and method. Background technique [0002] When carrying out the DV / PV test of the newly developed automotive tailgate micro switch parts, the test requires the product to perform this cycle at a switching frequency of 0.5Hz when the temperature and humidity change as required, and continuously monitor and record each switching process test resistance value. Existing equipment cannot meet the above requirements, and a new test system needs to be developed. Contents of the invention [0003] The present invention mainly solves the above-mentioned problems, and provides a microswitch test monitoring system that utilizes a cam to trigger the microswitch at regular intervals to meet testing requirements. [0004] The technical solution adopted by the present invention to solve the technical problems is that a micro switch test monitoring system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
CPCG01R31/3277
Inventor 叶志伟刘俊华谢维君
Owner 宁波拓普电器有限公司
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