CN101710010B - Device for testing clamping force between moving contact and fixed contact of isolating switch - Google Patents
Device for testing clamping force between moving contact and fixed contact of isolating switch Download PDFInfo
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- CN101710010B CN101710010B CN2009102501526A CN200910250152A CN101710010B CN 101710010 B CN101710010 B CN 101710010B CN 2009102501526 A CN2009102501526 A CN 2009102501526A CN 200910250152 A CN200910250152 A CN 200910250152A CN 101710010 B CN101710010 B CN 101710010B
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 50
- 229920006395 saturated elastomer Polymers 0.000 claims description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention relates to a device for testing clamping force between a moving contact and a fixed contact of an isolating switch. The device comprises a mechanical testing part and an electrical display circuit, wherein the mechanical testing part comprises a longitudinally extending base (5), and the base is internally provided with an elastic prepressing mechanism; the end part of the elastic prepressing mechanism is provided with a connecting rod, and a testing moving contact (1) is fixed on the connecting rod; the testing moving contact is elastically and unstably provided with a conductor moving contact (2) facing towards the base, and a conducting undersaturation fixed contact piece (3-1), a saturation fixed contact piece (3-2) and a supersaturation fixed contact piece (3-3) are arranged opposite to the moving contact; the three fixed contact pieces are all fixed on the base (5) and sequentially away from the moving contact (2) according to arrangement distances; the moving contact (2) is connected with a positive pole of a power supply; the undersaturation fixed contact piece (3-1), the saturation fixed contact piece (3-2) and the supersaturation fixed contact piece (3-3) are respectively used for controlling and switching an undersaturation indicator light (D1), a saturation indicator light (D2) and a too-tight clamping force indicator light (D3) through the electrical display circuit to correspondingly display.
Description
Technical field
The present invention relates to a kind of device for testing clamping force between moving contact and fixed contact of isolating switch.
Background technology
After the general assembly (GA) of CW46 type Series Switch-disconnector, need move, the test of static contact clamping force, present known clamping force method of testing is to use the electronic sensing type device for testing clamping force between to test, because the electronic sensing type device for testing clamping force between is when test CW46 Series Switch-disconnector, when the moving contact of isolated switch main plug-in strip touches the moving contact of proving installation, measurement mechanism adopts electronic sensor to show its clamping force value through weight display, again because electronic sensor is highly sensitive, numeral shows constantly variation in whole test process, test each time needs about 30 minutes ability stability numbers, and the clamping force test needs adjustment for several times just can reach technical requirement, cause work efficiency lower, and the electronic sensor price is expensive and serviceable life is short, uses just to begin to break down even damage for about 500 times.
Summary of the invention
The purpose of this invention is to provide a kind of device for testing clamping force between moving contact and fixed contact of isolating switch, with steady testing disconnector clamped condition.
For achieving the above object, the technical scheme that adopts is: a kind of device for testing clamping force between moving contact and fixed contact of isolating switch, this device comprises mechanical test part and electric display circuit, described mechanical test partly comprises the pedestal of a longitudinal extension, be provided with elastic force in the described pedestal and compress mechanism in advance, the end that elastic force compresses mechanism in advance is provided with connecting link, be fixed with the test moving contact on the connecting link, elastic floating is provided with the conductor movable contact spring towards the pedestal direction on the test moving contact, face the undersaturation static contact that is provided with conduction with movable contact spring, saturated static contact and supersaturation static contact, above-mentioned three static contacts all are fixed on the pedestal, and the distance of pressing setting is successively away from movable contact spring, above-mentioned movable contact spring is connected with positive source, above-mentioned undersaturation static contact, saturated static contact and supersaturation static contact are controlled respectively by electric display circuit and are switched the undersaturation pilot lamp, saturated pilot lamp and clamping force tension pilot lamp carry out correspondence and show.
Electric display circuit is by the undersaturation of three two input one outputs, saturated and supersaturation AND circuit constitutes, the first input end of each AND circuit respectively with the undersaturation static contact, saturated static contact is connected with the supersaturation static contact, be connected a not circuit between second input end of undersaturation AND circuit and the first input end of saturated AND circuit, be connected another not circuit between second input end of saturated AND circuit and the supersaturation AND circuit first input end, second input end of supersaturation AND circuit and first input end short circuit, undersaturation, the output terminal of saturated and supersaturation and door respectively with the undersaturation pilot lamp, saturated pilot lamp is connected with clamping force tension pilot lamp.
Also be provided with in the electric display circuit to disconnect and show branch road, this shows that a described undersaturation static contact of route, saturated static contact and supersaturation static contact constitute as the OR-NOT circuit that one three input one of signal input is exported successively, and this output and one disconnects display lamp and is connected.
The tool part of detecting comprises the pedestal of a longitudinal extension among the present invention, be provided with elastic force in the described pedestal and compress mechanism in advance, the end that elastic force compresses mechanism in advance is provided with connecting link, be fixed with the test moving contact on the connecting link, elastic floating is provided with the conductor movable contact spring towards the pedestal direction on the test moving contact, face the undersaturation static contact that is provided with conduction with movable contact spring, saturated static contact and supersaturation static contact, above-mentioned three static contacts all are fixed on the pedestal, and the distance of pressing setting is successively away from movable contact spring, above-mentioned movable contact spring is connected with positive source, above-mentioned undersaturation static contact, saturated static contact and supersaturation static contact are controlled respectively by electric display circuit and are switched the undersaturation pilot lamp, saturated pilot lamp and clamping force tension pilot lamp carry out correspondence and show, in the disconnector making process, the conductor movable contact spring respectively successively with the undersaturation static contact, saturated static contact is connected with supersaturation static contact point, and light the undersaturation pilot lamp successively, saturated pilot lamp and clamping force tension pilot lamp, reflected the state of disconnector moving contact in the combined floodgate motion process intuitively, and owing to adopt the mechanical test structure, the stability that is proving installation gets a promotion, prolong serviceable life, reduced cost.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the cut-open view of vertical view of the present invention;
Fig. 3 is the A-A view among Fig. 1;
Fig. 4 is an electric display circuit schematic diagram of the present invention.
Embodiment
As shown in Figures 1 to 4, a kind of device for testing clamping force between moving contact and fixed contact of isolating switch of the present invention, this device comprises mechanical test part and electric display circuit, described mechanical test partly comprises the pedestal 4 of a longitudinal extension, be provided with elastic force in the described pedestal and compress mechanism in advance, the end that elastic force compresses mechanism in advance is provided with connecting link, be fixed with test moving contact 1 on the connecting link, elastic floating is provided with the conductor movable contact spring 2 towards the pedestal direction on the test moving contact, face the undersaturation static contact 3-1 that is provided with conduction with movable contact spring, saturated static contact 3-2 and supersaturation static contact 3-3, above-mentioned three static contacts all are fixed on the pedestal 4, and the distance of pressing setting is successively away from movable contact spring 2, above-mentioned movable contact spring 2 is connected with positive source, above-mentioned undersaturation static contact 3-1, saturated static contact 3-2 and supersaturation static contact 3-3 control respectively by electric display circuit and switch undersaturation pilot lamp D1, saturated pilot lamp D2 and clamping force tension pilot lamp D3 carry out correspondence and show.Electric display circuit is by the undersaturation of three two input one outputs, saturated and supersaturation AND circuit constitutes, the first input end of each AND circuit respectively with undersaturation static contact 3-1, saturated static contact 3-2 is connected with supersaturation static contact 3-3, be connected a not circuit between second input end of undersaturation AND circuit and the first input end of saturated AND circuit, be connected another not circuit between second input end of saturated AND circuit and the supersaturation AND circuit first input end, second input end of supersaturation AND circuit and first input end short circuit, undersaturation, the output terminal of saturated and supersaturation and door respectively with undersaturation pilot lamp D1, saturated pilot lamp D2 is connected with clamping force tension pilot lamp D3.Also be provided with in the electric display circuit to disconnect and show branch road, this shows that the described undersaturation static contact of route 3-1, a saturated static contact 3-2 and supersaturation static contact 3-3 constitute as the OR-NOT circuit that one three input one of signal input is exported successively, and this output and one disconnects display lamp D4 and is connected.
Claims (3)
1. device for testing clamping force between moving contact and fixed contact of isolating switch, it is characterized in that, this device comprises mechanical test part and electric display circuit, described mechanical test partly comprises the pedestal (4) of a longitudinal extension, be provided with elastic force in the described pedestal and compress mechanism in advance, the end that elastic force compresses mechanism in advance is provided with connecting link, be fixed with test moving contact (1) on the connecting link, elastic floating is provided with the conductor movable contact spring (2) towards the pedestal direction on the test moving contact, face the undersaturation static contact (3-1) that is provided with conduction with described conductor movable contact spring, saturated static contact (3-2) and supersaturation static contact (3-3), above-mentioned three static contacts all are fixed on the pedestal (4), and the distance of pressing setting is successively away from described conductor movable contact spring (2), described conductor movable contact spring (2) is connected with positive source, above-mentioned undersaturation static contact (3-1), saturated static contact (3-2) and supersaturation static contact (3-3) are controlled respectively by electric display circuit and are switched undersaturation pilot lamp (D1), saturated pilot lamp (D2) and clamping force tension pilot lamp (D3) carry out correspondence and show.
2. proving installation according to claim 1, it is characterized in that, electric display circuit is by the undersaturation of three two input one outputs, saturated and supersaturation AND circuit constitutes, the first input end of each AND circuit respectively with undersaturation static contact (3-1), saturated static contact (3-2) is connected with supersaturation static contact (3-3), be connected a not circuit between second input end of undersaturation AND circuit and the first input end of saturated AND circuit, be connected another not circuit between second input end of saturated AND circuit and the supersaturation AND circuit first input end, second input end of supersaturation AND circuit and first input end short circuit, undersaturation, the output terminal of saturated and supersaturation and door respectively with undersaturation pilot lamp (D1), saturated pilot lamp (D2) is connected with clamping force tension pilot lamp (D3).
3. proving installation according to claim 2, it is characterized in that, also be provided with in the electric display circuit to disconnect and show branch road, this shows that a described undersaturation static contact of route (3-1), saturated static contact (3-2) and supersaturation static contact (3-3) constitute as the OR-NOT circuit that one three input one of signal input is exported successively, and this output and one disconnects display lamp (D4) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102501526A CN101710010B (en) | 2009-11-30 | 2009-11-30 | Device for testing clamping force between moving contact and fixed contact of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102501526A CN101710010B (en) | 2009-11-30 | 2009-11-30 | Device for testing clamping force between moving contact and fixed contact of isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101710010A CN101710010A (en) | 2010-05-19 |
| CN101710010B true CN101710010B (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102501526A Active CN101710010B (en) | 2009-11-30 | 2009-11-30 | Device for testing clamping force between moving contact and fixed contact of isolating switch |
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| CN (1) | CN101710010B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865950A (en) * | 2012-09-20 | 2013-01-09 | 保定供电公司 | Contact finger pressure test instrument of high-voltage isolation switch |
| CN103217245B (en) * | 2013-03-27 | 2016-03-09 | 国家电网公司 | A kind of disconnector clamping force measurement mechanism |
| CN106409573B (en) * | 2016-10-08 | 2018-07-10 | 国网新疆电力公司电力科学研究院 | Double-column horizontal folding disconnecting switch in-site installation detection method based on dynamometry contact |
| CN106289617B (en) * | 2016-10-27 | 2022-06-21 | 湖南长高高压开关有限公司 | Plum blossom touches finger type isolator clamp force measuring device |
| CN106840628B (en) * | 2017-01-19 | 2019-03-26 | 天津理工大学 | A kind of magnesium alloy laparoscopic surgery hemostatic clamp folder closes the external detection method of effect |
| CN109979483B (en) * | 2019-03-29 | 2020-11-03 | 广州市百果园信息技术有限公司 | Melody detection method and device for audio signal and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2019097A (en) * | 1978-04-10 | 1979-10-24 | Jagenberg Werke Ag | Apparatus for monitoring a force |
| CN2072222U (en) * | 1990-08-01 | 1991-02-27 | 沈红强 | Contact pressure measurer |
| JP2005156336A (en) * | 2003-11-26 | 2005-06-16 | Asa Denshi Kogyo Kk | External force detection device and material processing method |
| CN201051133Y (en) * | 2007-05-24 | 2008-04-23 | 如皋市玉泉电器有限公司 | A finger touch pressure detection device for insulation switch |
| CN201352252Y (en) * | 2008-10-24 | 2009-11-25 | 河南平高电气股份有限公司 | Analog experiment machine frame for GW27/ZCW1 isolating switch |
-
2009
- 2009-11-30 CN CN2009102501526A patent/CN101710010B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2019097A (en) * | 1978-04-10 | 1979-10-24 | Jagenberg Werke Ag | Apparatus for monitoring a force |
| CN2072222U (en) * | 1990-08-01 | 1991-02-27 | 沈红强 | Contact pressure measurer |
| JP2005156336A (en) * | 2003-11-26 | 2005-06-16 | Asa Denshi Kogyo Kk | External force detection device and material processing method |
| CN201051133Y (en) * | 2007-05-24 | 2008-04-23 | 如皋市玉泉电器有限公司 | A finger touch pressure detection device for insulation switch |
| CN201352252Y (en) * | 2008-10-24 | 2009-11-25 | 河南平高电气股份有限公司 | Analog experiment machine frame for GW27/ZCW1 isolating switch |
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| Publication number | Publication date |
|---|---|
| CN101710010A (en) | 2010-05-19 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20130125 |
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Effective date of registration: 20130125 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Electric Co., Ltd., Henan Patentee after: State Grid Corporation of China Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Electric Co., Ltd., Henan |