CN103149442A - Automatic testing device for contact resistor made of electrical contact material - Google Patents
Automatic testing device for contact resistor made of electrical contact material Download PDFInfo
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- CN103149442A CN103149442A CN2013100505444A CN201310050544A CN103149442A CN 103149442 A CN103149442 A CN 103149442A CN 2013100505444 A CN2013100505444 A CN 2013100505444A CN 201310050544 A CN201310050544 A CN 201310050544A CN 103149442 A CN103149442 A CN 103149442A
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- 239000000463 material Substances 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 8
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 2
- 238000011161 development Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
电触头材料接触电阻自动测试装置，涉及电触头材料接触电阻测试装置。它为解决目前没有可自动控制接触压力、支持多触头连续测量的电触头材料接触电阻测试装置。纵向和横向滑台均设置在机座的上表面上；纵向滑台通过横向与纵向滑台连接件与横向滑台相连；横向与纵向滑台连接件的上端固定设置有竖直滑台；竖直滑台上固定设置有压力传感器；压力传感器连接件的两端分别与弹性元件和压力传感器相连；探针通过探针夹具装设在探针夹具连接件上；多触头夹具体固定设置在纵向滑台的上表面上；待测电触头固定装设在多触头夹具体上；它实现了对触头接触力的自动控制和对多个触头的接触电阻的连续测量，具有测量准确、操作方便，效率高的优点。
The utility model relates to an automatic test device for contact resistance of electric contact materials, which relates to a test device for contact resistance of electric contact materials. It solves the problem that there is currently no electrical contact material contact resistance testing device that can automatically control contact pressure and support multi-contact continuous measurement. Both the longitudinal and horizontal sliding tables are arranged on the upper surface of the machine base; the longitudinal sliding table is connected with the horizontal sliding table through the connecting piece of the horizontal and longitudinal sliding table; the upper end of the connecting piece of the horizontal and longitudinal sliding table is fixed with a vertical sliding table; A pressure sensor is fixedly arranged on the straight slide table; the two ends of the pressure sensor connecting piece are respectively connected with the elastic element and the pressure sensor; the probe is installed on the probe fixture connecting piece through the probe fixture; On the upper surface of the longitudinal sliding table; the electric contact to be tested is fixedly installed on the multi-contact clamp body; it realizes the automatic control of the contact force of the contact and the continuous measurement of the contact resistance of multiple contacts. Accurate, easy to operate, high efficiency advantages.
Description
Technical field
The present invention relates to a kind of electrical contact material contact resistance proving installation.
Background technology
Be used for the contact material of switch, relay, electrical connection and electric insert-pull element, claim again electrical contact material.General minute forceful electric power contact material and two kinds of contact materials of light current.Electrical contact material is key function material and the important foundation material of China's generating, power transmission and distribution and consumer, the field of using and relating to is extremely extensive, and its product quality or the direct impact of its technical merit even restrict the development of the high-end product of China's numerous areas and industry.
So-called contact resistance, i.e. no matter the obstruction of the tie-point of two close contacts to the electric current that flows through be that meticulous IC socket or the fixing bus-bar of thick bolt connect and all exist contact resistance.Contact resistance is the important evidence of estimating electromechanical compo switching performance and reliability.The existence of contact resistance has increased the loss of conductor when energising, the temperature of contact position is raise, the current capacity the when size of its value directly affects the loop normal operation.Therefore, the numerical value of contact resistance be to the loop overhaul, a significant data of inspection of quality.
At present the professional testing laboratory of external electric contact material manufacturer such as Japanese Tanaka company, the U.S. leading mostly gram company all have the customizations testing tool of test rivet type slider material cold conditions contact resistance, and the characteristics that its automaticity is high, measuring accuracy is high provide verification experimental verification condition and guarantee condition for the deep level development of contact material and the development of process procedure.China standard GB/T/T15078-1994 " measuring method of noble metal Contact Resistance about Electrical Contact Materials " has stipulated the measuring method (Static Contact) of noble metal and alloy electric contact material contact resistance thereof, and be applicable to the use of other metals and alloy electric contact material, but do not carry out the research and development of relevant practical automated test device.It is relevant that the contact resistance of electrical contact is in contact with it the face situation, comprises real contact area, surface in contact material etc.And when contact is subject to ambient pressure, can make contact surface produce deformation, change the contact real contact area, thereby change contact resistance.The quiet contact performance of Models of Contact Materials Used in Switches is the Changing Pattern of electrical contact pressure and contact resistance.There is no at present automatically to control the device for the Changing Pattern of analyzing electrical contact pressure and contact resistance of contact, the continuous coverage of support multiple contact.
Summary of the invention
The present invention is in order to solve the electrical contact material contact resistance proving installation that there is no at present automatically to control contact, supports the multiple contact continuous coverage; And the electrical contact material contact resistance automatic testing equipment that proposes.
Electrical contact material contact resistance automatic testing equipment, it comprises vertical slide unit, Control Component, pressure transducer, pressure sensor connecting piece, flexible member, probe clamp web member, probe clamp, probe, multiple contact clamp body, vertical slide unit, support, horizontal slide unit and horizontal and vertical slide unit web member; Described flexible member adopts six prismatic annular resilient elements; Described vertical slide unit and horizontal slide unit all are arranged on the upper surface of support; Described horizontal slide unit is along side setting of support; Vertically slide unit arranges with laterally slide unit is vertical; Vertically slide unit is by laterally being connected with horizontal slide unit with vertical slide unit web member; Described horizontal upper end with vertical slide unit web member is fixedly installed vertical slide unit; Vertically be fixedly installed pressure transducer on slide unit; One end of described pressure sensor connecting piece is fixedly connected with a sidewall of flexible member; The other end of described pressure sensor connecting piece is connected with pressure transducer; Be fixedly installed the probe clamp web member on the relative sidewall of the sidewall with being fixed with pressure sensor connecting piece of described flexible member; Described probe is installed on the probe clamp web member by probe clamp; Described multiple contact clamp body is fixedly installed on the upper surface of vertical slide unit; Electrical contact to be measured is installed on the multiple contact clamp body; Described probe is oppositely arranged with the multiple contact clamp body that is equiped with electrical contact to be measured; The pressure sensor signal output terminal of described pressure transducer is connected with the pressure sensor signal input end of Control Component; The horizontal slide unit control signal output terminal of described Control Component be connected slide unit control signal output terminal and connect respectively the horizontal slide unit control signal input end of horizontal slide unit and vertical vertical slide unit control signal input end of slide unit; The vertical slide unit control signal output terminal of described Control Component is connected with the vertical slide unit control signal input end of vertical slide unit.
The present invention realized to the automatic control of contact power with to the continuous coverage of the contact resistance of a plurality of contacts, have measure accurate, easy to operate, the advantage that efficient is high.
Description of drawings
Fig. 1 is the structural representation of the described electrical contact material contact resistance of the application automatic testing equipment; Fig. 2 is the modular structure schematic diagram of the described Control Component 2 of embodiment two; Fig. 3 is the modular structure schematic diagram of the described Control Component 2 of embodiment three; Fig. 4 is the structural representation of multiple contact clamp body 9.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, the described electrical contact material contact resistance of present embodiment automatic testing equipment, it comprises vertical slide unit 1, Control Component 2, pressure transducer 3, pressure sensor connecting piece 4, flexible member 5, probe clamp web member 6, probe clamp 7, probe 8, multiple contact clamp body 9, vertical slide unit 10, support 11, horizontal slide unit 12 and horizontal and vertical slide unit web member 13; Described flexible member 5 adopts six prismatic annular resilient elements; Described vertical slide unit 10 and horizontal slide unit 12 all are arranged on the upper surface of support 11; Described horizontal slide unit 12 is along 11 1 side settings of support; Vertically slide unit 10 and the horizontal vertical setting of slide unit 12; Vertically slide unit 10 is by laterally being connected with horizontal slide unit 12 with vertical slide unit web member 13; Described horizontal upper end with vertical slide unit web member 13 is fixedly installed vertical slide unit 1; Vertically be fixedly installed pressure transducer 3 on slide unit 1; One end of described pressure sensor connecting piece 4 is fixedly connected with a sidewall of flexible member 5; The other end of described pressure sensor connecting piece 4 is connected with pressure transducer 3; Be fixedly installed probe clamp web member 6 on the relative sidewall of the sidewall with being fixed with pressure sensor connecting piece 4 of described flexible member 5; Described probe 8 is installed on probe clamp web member 6 by probe clamp 7; Described multiple contact clamp body 9 is fixedly installed on the upper surface of vertical slide unit 10; Electrical contact to be measured is installed on multiple contact clamp body 9; Described probe 8 is oppositely arranged with the multiple contact clamp body 9 that is equiped with electrical contact to be measured; The pressure sensor signal output terminal of described pressure transducer 3 is connected with the pressure sensor signal input end of Control Component 2; The horizontal slide unit control signal output terminal of described Control Component 2 be connected slide unit control signal output terminal and connect respectively the horizontal slide unit control signal input end of horizontal slide unit 12 and vertical vertical slide unit control signal input end of slide unit 10; The vertical slide unit control signal output terminal of described Control Component 2 is connected with the vertical slide unit control signal input end of vertical slide unit 1.
Embodiment two: in conjunction with Fig. 2, present embodiment is described, present embodiment and embodiment one difference are that Control Component 2 comprises singlechip controller 2-1, Programmable Logic Controller 2-2, analog to digital converter 2-3, digital to analog converter 2-4, four-wire method voltage-level detector 2-5 and four-wire method current detector 2-6; The analog-digital conversion data input end of described singlechip controller 2-1 is connected with the analog-digital conversion data output terminal of analog to digital converter 2-3; The pressure sensing data-signal input end of analog to digital converter 2-3 is the pressure sensor signal input end of Control Component 2; The voltage detecting data-signal input end of analog to digital converter 2-3 and current detecting data-signal input end connect respectively the voltage detecting data-signal output terminal of four-wire method voltage-level detector 2-5 and the current detecting data-signal output terminal of four-wire method current detector 2-6; The current detecting control signal output terminal of described singlechip controller 2-1 is connected with the current detecting control signal input end of digital to analog converter 2-4; The current detecting control signal output terminal of digital to analog converter 2-4 is connected with the current detecting control signal input end of four-wire method current detector 2-6; The horizontal slide unit control signal output terminal of described singlechip controller 2-1 and vertical slide unit control signal output terminal are horizontal slide unit control signal output terminal and vertical slide unit control signal output terminal of described Control Component 2; The control data-signal I/O of described singlechip controller 2-1 is connected with the control data-signal I/O of Programmable Logic Controller 2-2; The vertical slide unit control signal output terminal of Programmable Logic Controller 2-2 is the vertical slide unit control signal output terminal of described Control Component 2.Other composition and connected mode are identical with embodiment one.
Embodiment three: in conjunction with Fig. 3, present embodiment is described, present embodiment and embodiment two differences are that Control Component 2 also comprises display 2-7; The demonstration data input pin of described display 2-7 is connected with the demonstration data output end of singlechip controller 2-1.Other composition and connected mode are identical with embodiment two.
Embodiment four: in conjunction with Fig. 4, present embodiment is described, present embodiment and embodiment one difference are that multiple contact clamp body 9 comprises clamp base 9-1, clamp body 9-2, four baffle plate 9-3, current-carrying plate 9-4, two binding post 9-5 and N identical clamp assembly; The span of described N is the even number more than or equal to 4; Described clamp body 9-2 is installed on clamp base 9-1 upper surface by four baffle plate 9-3; Described central axis place along clamp body 9-2 length direction is provided with current-carrying plate 9-4; Be respectively arranged with a binding post 9-5 on two sides of described current-carrying plate 9-4 broad ways; Be symmetrically arranged with respectively N/2 V-arrangement draw-in groove on described current-carrying plate 9-4 two sides along its length; A described N clamp assembly is installed on respectively in clamp assembly groove on clamp body 9-2; A described N clamp assembly is divided into two groups; The respectively corresponding V-arrangement draw-in groove of described each clamp assembly; Described clamp assembly comprises T clamp head 9-6, clamp spring 9-7 and operating grip 9-8; Described clamp spring 9-7 is arranged between T clamp head 9-6 and operating grip 9-8; Operating grip 9-8 realizes T clamp head 9-6 action by clamp spring 9-7.Other composition and connected mode are identical with embodiment one.
In accompanying drawing 1 vertically slide unit 1 to adopt the model that IAI company produces be the slide unit of TX-28L.
In accompanying drawing 1 laterally slide unit 12 to adopt the model that IAI company produces be the slide unit of RCP2-SA5C.
In accompanying drawing 1 vertically slide unit 10 to adopt Beijing section to be full of the model that wound opens up development in science and technology company limited be the LY111DPY50M-F slide unit.
In accompanying drawing 1, to adopt the model that HBM company produces be the pressure transducer of PW4MC3 for pressure transducer 3.
It is the horizontal quick-speed jigs of GH-201 that accompanying drawing 2 middle probe fixture web members 6 adopt the model that HAITAN company produces.
The course of work and principle:
Described vertical slide unit 1, pressure transducer 3, pressure sensor connecting piece 4, flexible member 5, probe clamp web member 6, probe clamp 7, probe 8 form the contact force control device, by the control that the control realization of 1 pair of displacement of vertical slide unit is out of shape flexible member 5, the control of the touch that namely achieves a butt joint.In the contact force control procedure, pressure transducer 3 is measured contact force and feeds back to Control Component 2, realizes closed-loop control.Described vertical slide unit 10 and laterally slide unit 12 realize respectively between multiple contact clamp body 9 and probe 8 longitudinally and horizontal relatively moving, guarantee that each contact on multiple contact clamp body 9 can accurately contact with probe 8.By recording the contact pressure curve, adopt the four-wire method mode of connection to record resistance curve, thereby analyze the quiet contact performance of Models of Contact Materials Used in Switches, the i.e. Changing Pattern of electrical contact pressure and contact resistance.Described clamp base 9-1 is bolted with vertical slide unit 10.Clamp body 9-2 passes through side and the confined planes of the groove on clamp base 9-1 to be realized in the location on clamp base 9-1.Described current-carrying plate 9-4 is connected on clamp body 9-2 by bolt, and the binding post 9-5 on current-carrying plate 9-4 facilitates wiring.Described clamp head 9-6 can realize putting into and taking out of contact to be measured by manipulation operations handle 9-82 simultaneously under the pressure of clamp spring 9-7, contact to be measured being clamped on current-carrying plate 9-4 on corresponding V-shaped groove.Described clamp head 9-6 adopts insulating material, thereby realizes the insulation of contact to be measured and clamp base 9-1.After the device assembling is completed, need to position multiple contact clamp body 9.Specific implementation method is as follows, probe 8 is replaced by draw point with needle point, snap-action and fine motion by vertical slide unit 10, horizontal slide unit 12 and vertical slide unit 1 touch the needle point of draw point the root of the upper surface of each V-arrangement draw-in groove on current-carrying plate 9-4 one by one, and record the required vertical slide unit 10 of each V-arrangement draw-in groove, the laterally displacement of slide unit 12 by Control Component 2, complete the location.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For this person of an ordinary skill in the technical field, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the definite scope of patent protection of claims that the present invention submits to.
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| CN201310050544.4A CN103149442B (en) | 2013-02-08 | 2013-02-08 | Automatic testing device for contact resistor made of electrical contact material |
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| CN201310050544.4A CN103149442B (en) | 2013-02-08 | 2013-02-08 | Automatic testing device for contact resistor made of electrical contact material |
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| CN103149442B CN103149442B (en) | 2015-04-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103759631A (en) * | 2014-01-07 | 2014-04-30 | 江西省高新超越精密电子有限公司 | Wire diameter detecting equipment |
| CN104483551A (en) * | 2014-11-28 | 2015-04-01 | 宁波电工合金材料有限公司 | Data measurement analysis meter when work contact contacts resistor |
| CN104528632A (en) * | 2014-12-24 | 2015-04-22 | 哈尔滨工业大学 | Device and method for processing microstructure by utilizing track movement of triangular-pyramid microprobe |
| CN104678177A (en) * | 2015-02-27 | 2015-06-03 | 上海和伍新材料科技有限公司 | Method and device for testing insulating material based on radiation source mode |
| CN104678220A (en) * | 2015-02-27 | 2015-06-03 | 上海和伍新材料科技有限公司 | Standardizing test method and device for influence of insulating material on electrical contact performance |
| CN105527497A (en) * | 2016-01-15 | 2016-04-27 | 四川华索自动化信息工程有限公司 | Carbon anode resistivity distribution measuring device and measuring method thereof |
| CN106093584A (en) * | 2016-05-30 | 2016-11-09 | 华为技术有限公司 | A kind of Contact Resistance Test System |
| CN106291003A (en) * | 2016-09-07 | 2017-01-04 | 哈尔滨工业大学 | A kind of clamping device for the test of slider material contact resistance |
| CN106370934A (en) * | 2016-08-28 | 2017-02-01 | 福达合金材料股份有限公司 | Electrical contact contact resistance test pretreatment method and contact resistance data processing method |
| CN108254622A (en) * | 2017-12-06 | 2018-07-06 | 上海超导科技股份有限公司 | High-temperature superconductor band test device and test method |
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| CN106093584A (en) * | 2016-05-30 | 2016-11-09 | 华为技术有限公司 | A kind of Contact Resistance Test System |
| CN106370934A (en) * | 2016-08-28 | 2017-02-01 | 福达合金材料股份有限公司 | Electrical contact contact resistance test pretreatment method and contact resistance data processing method |
| CN106291003A (en) * | 2016-09-07 | 2017-01-04 | 哈尔滨工业大学 | A kind of clamping device for the test of slider material contact resistance |
| CN108254622A (en) * | 2017-12-06 | 2018-07-06 | 上海超导科技股份有限公司 | High-temperature superconductor band test device and test method |
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