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Automatic testing device for contact resistor made of electrical contact material

An automatic test device and a technology for electrical contact materials, which are used in measuring devices, measuring resistance/reactance/impedance, measuring electrical variables, etc., to achieve the effects of convenient operation, high efficiency and accurate measurement

Inactive Publication Date: 2013-06-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no device that can automatically control the contact pressure and support continuous mea

Method used

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  • Automatic testing device for contact resistor made of electrical contact material
  • Automatic testing device for contact resistor made of electrical contact material
  • Automatic testing device for contact resistor made of electrical contact material

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0009] Specific implementation mode one: combine figure 1 Describe this embodiment mode, the electric contact material contact resistance automatic testing device described in this embodiment mode, it comprises vertical slide table 1, control component 2, pressure sensor 3, pressure sensor connector 4, elastic element 5, probe fixture connection Part 6, probe clamp 7, probe 8, multi-contact clamp body 9, longitudinal slide 10, machine base 11, transverse slide 12 and transverse and longitudinal slide connector 13; the elastic element 5 adopts hexagonal Ring-shaped elastic element; the longitudinal slide 10 and the transverse slide 12 are all arranged on the upper surface of the base 11; the transverse slide 12 is arranged along a side of the base 11; the longitudinal slide 10 and the transverse slide The table 12 is arranged vertically; the vertical slide table 10 is connected with the horizontal slide table 12 through the horizontal slide table connector 13; the vertical slid...

specific Embodiment approach 2

[0010] Specific implementation mode two: combination figure 2 Describe this embodiment, the difference between this embodiment and the specific embodiment is that the control assembly 2 includes a single-chip controller 2-1, a programmable controller 2-2, an analog-to-digital converter 2-3, and a digital-to-analog converter 2-4 , four-wire method voltage detector 2-5 and four-wire method current detector 2-6; the analog-to-digital conversion data input end of the single-chip controller 2-1 and the analog-to-digital conversion data output of the analog-to-digital converter 2-3 The pressure sensing data signal input end of the analog-to-digital converter 2-3 is the pressure sensing signal input end of the control assembly 2; the voltage detection data signal input end of the analog-to-digital converter 2-3 and the current detection data signal The input terminal is respectively connected to the voltage detection data signal output end of the four-wire method voltage detector 2-...

specific Embodiment approach 3

[0011] Specific implementation mode three: combination image 3 Describe this embodiment, the difference between this embodiment and the second embodiment is that the control assembly 2 also includes a display 2-7; the display data input end of the display 2-7 is connected with the display data output end of the single-chip controller 2-1 . Other compositions and connection methods are the same as those in the second embodiment.

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Abstract

The invention provides an automatic testing device for a contact resistor made of an electrical contact material and relates to a testing device for the contact resistor made of the electrical contact material. The invention solves the problem of the absence of the testing device for the contact resistor made of the electrical contact material which is capable of automatically controlling a contact pressure and supporting multi-contact continuous measurement. Longitudinal and horizontal sliding tables are both arranged on an upper surface of a machine base; the longitudinal sliding table is connected with the horizontal sliding table through a horizontal and longitudinal sliding table connector; a vertical sliding table is fixedly arranged at the upper end of the horizontal and longitudinal sliding table connector; a pressure sensor is fixedly arranged on the vertical sliding table; the two ends of a pressure sensor connector are respectively connected with an elastic element and the pressure sensor; a probe is assembled on a probe clamp connector through a probe clamp; a multi-contact clamp is fixedly arranged on the upper surface of the longitudinal sliding table; and a to-be-tested contact is fixedly arranged on the multi-contact clamp. The automatic testing device realizes the automatic control on a contact force of a contact and the continuous measurement for a multi-contact contact resistor and has the advantages of measuring accuracy, convenience in operation and high efficiency.

Description

technical field [0001] The invention relates to a device for testing the contact resistance of electric contact materials. Background technique [0002] Electrical contact materials for switches, relays, electrical connections and electrical plug-in components, also known as electrical contact materials. Generally, there are two types of contact materials for strong current and contact materials for weak current. Electrical contact materials are key functional materials and important basic materials for power generation, transmission and distribution, and power consumption equipment in my country. They are used in a wide range of fields, and their product quality or technical level directly affects or even restricts high-end products in many fields and industries in my country. Product Development. [0003] The so-called contact resistance refers to the obstruction of the current flowing by two closely contacted junctions, whether it is a fine IC socket or a thick bolt-fixe...

Claims

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Application Information

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IPC IPC(8): G01R27/08
Inventor 任万滨陈宇梁慧敏薛升俊崔黎
Owner HARBIN INST OF TECH
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