CN103728540B - A kind of alternating-current voltage resistance test device of arc discharge monitoring - Google Patents
A kind of alternating-current voltage resistance test device of arc discharge monitoring Download PDFInfo
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- CN103728540B CN103728540B CN201310736708.9A CN201310736708A CN103728540B CN 103728540 B CN103728540 B CN 103728540B CN 201310736708 A CN201310736708 A CN 201310736708A CN 103728540 B CN103728540 B CN 103728540B
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- insulating bar
- pressurization
- utmost point
- earthing pole
- arc discharge
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000010891 electric arc Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims description 4
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 239000003822 epoxy resin Substances 0.000 claims abstract description 17
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 15
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920001342 Bakelite® Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to power supply technique field, specifically relate to a kind of arc discharge formula insulating bar alternating-current voltage resistance test device that effectively can examine insulating bar insulation status. The tail end tool for mounting opening annular metal springy earthing pole of epoxy resins insulation support of the present invention, the head end of epoxy resins insulation support is installed semicircle metallic channel with discharging gap as the pressurization utmost point, between earthing pole and the pressurization utmost point, leave discharging gap, insulating bar head end adopts nut or bayonet lock to fix and be clamped in the semicircle metallic channel of the pressurization utmost point, the tail end of insulating bar is connected to having in elastic force opening ring-type metallic channel of earthing pole, the microampere meter of connecting respectively on earthing pole output. Bracket for Inspection of the present invention can effectively be increased work efficiency, and realization can judge testing result with interval luminous intensity and leakage current threshold values. This support can meet to detect tests dielectric strength requirement, and on-the-spot easy to use and flexible is safe and reliable.
Description
Technical field
The present invention relates to power supply technique field, specifically relate to a kind of arc discharge formula insulating bar alternating-current voltage resistance test device that effectively can examine insulating bar insulation status.
Background technology
The ac voltage withstanding that electric company of current city in all parts of the country is generally used simple and easy withstand voltage support to carry out insulating bar detects test, to be the method that is wound around by earth lead be wound around the electrode detection of pressurizeing by parallel some insulating bars two ends to its method, and whether its method detection efficiency insulation status low, that can not effectively intuitively locate tested measuring staff is good.
The AC voltage withstand test of insulating bar generally adopts easy insulating support to keep over the ground insulation at present, with aluminium foil or bare copper wire respectively the two ends that are wrapped in insulating bar in parallel as earthing pole and the pressurization utmost point, insulating bar is placed on insulating support, with the AC testing transformer detection of pressurizeing. The problem that this detection method exists has following 3 points, one: lead banding insulation bar with aluminium foil or naked copper consuming time many, and inefficiency, its electrode loose contact easily causes electric field inhomogeneous. Its two: the method can only detect total leakage current of some parallel branches and can not detect the branch's leakage current in each insulating bar. Its three: the method to result of the test just by puncturing, smolder, the phenomenon such as heating carries out controversial issue, its diagnosis gimmick tradition, human factor easily causes erroneous judgement, the problem such as fail to judge.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency existing for prior art, and a kind of arc discharge formula insulating bar alternating-current voltage resistance test device that effectively can examine insulating bar insulation status is provided.
A kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device is achieved by following technical proposals: a kind of arc discharge formula insulating bar alternating-current voltage resistance test device comprises hookup, insulating bar, the pressurization utmost point, insulating press boards, fastening bolt, epoxy resins insulation support, earthing pole, the tail end tool for mounting opening annular metal springy earthing pole of described epoxy resins insulation support, the head end of epoxy resins insulation support is installed semicircle metallic channel with discharging gap as the pressurization utmost point, between earthing pole and the pressurization utmost point, leave discharging gap, insulating bar head end adopts fastening nut or bayonet lock to fix and be clamped in the semicircle metallic channel of insulating press boards of pressurization utmost point below, the tail end of insulating bar is connected to having in elastic force opening ring-type metallic channel of earthing pole, the microampere meter of connecting respectively on earthing pole output.
A kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device has following beneficial effect compared with prior art: a kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device epoxy resin is made insulating support, first section of installation of support with the semicircle metallic channel of discharging gap as the pressurization utmost point, metallic channel and discharging gap are fixed on bakelite, its top and the bottom are fixed with nut or bayonet lock and step up insulating bar head end, when pressurization, little gap is breakdown, upper and lower position, gap equipotential; In gap due to the difference of Leakage Current size arc discharge to obtain intensity different, its gap discharge of insulating bar that insulate good is fainter, whether there is stronger arc discharge phenomenon in insulation defectiveness or its gap of insulating bar making moist, good from visually just judging rapidly insulation status according to the power of gap arc discharge.
The tail end of support is installed mutually clearance for insulation tool some metal earthing poles springy, block the tail end of insulating bar with earthing pole, the microampere meter of simultaneously connecting respectively on earthing pole, the leakage current flowing through in every insulating bar while pressurization to detect, and judge that according to the size of current value whether insulating bar is qualified.
Bracket for Inspection of the present invention can effectively be increased work efficiency, and realization can judge testing result with interval luminous intensity and leakage current threshold values. Make the test requirements document of insulating bar AC voltage withstand test by application in practice. This support can meet to detect tests dielectric strength requirement, and on-the-spot easy to use and flexible is safe and reliable.
Brief description of the drawings
A kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device has following accompanying drawing:
Fig. 1 is prior art insulating bar AC voltage withstand test elementary diagram;
Fig. 2 is a kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device insulating bar AC voltage withstand test elementary diagram;
Fig. 3 is that a kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device insulating bar head end fixes to clamp structural representation on support;
Fig. 4 is that a kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device insulating bar tail end fixes to clamp structural representation on support;
Fig. 5 is a kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device supporting structure schematic diagram.
Wherein 1, hookup; 2, discharging gap; 3, insulating bar; 4, the pressurization utmost point; 5, insulating press boards; 6, fastening bolt; 7, epoxy resins insulation support; 8, earthing pole; 9, microampere meter.
Detailed description of the invention
Below in conjunction with drawings and Examples, a kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device technical scheme is further described.
As Figure 2-Figure 5,
A kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device comprises hookup 1, insulating bar 3, the pressurization utmost point 4, insulating press boards 5, fastening bolt 6, epoxy resins insulation support 7, earthing pole 8, the tail end tool for mounting opening annular metal springy earthing pole 8 of described epoxy resins insulation support 7, the head end of epoxy resins insulation support 7 is installed semicircle metallic channel with discharging gap as the pressurization utmost point 4, between earthing pole 8 and the pressurization utmost point 4, leave discharging gap 2, insulating bar 3 head ends adopt fastening nut 6 or bayonet lock to fix and be clamped in the semicircle metallic channel of insulating press boards 5 of the pressurization utmost point 4 belows, the tail end of insulating bar 3 is connected to having in elastic force opening ring-type metallic channel of earthing pole 8, the microampere meter 9 of connecting respectively on earthing pole 8 outputs.
The described pressurization utmost point 4 is connected with the output head anode of hookup 1, and microampere meter 9 outputs are connected with the negative pole of hookup 1.
Embodiment 1.
A kind of arc discharge formula of the present invention insulating bar alternating-current voltage resistance test device comprises hookup 1, insulating bar 3, the pressurization utmost point 4, insulating press boards 5, fastening bolt 6, epoxy resins insulation support 7, earthing pole 8, the tail end tool for mounting opening annular metal springy earthing pole 8 of described epoxy resins insulation support 7, the head end of epoxy resins insulation support 7 is installed semicircle metallic channel with discharging gap as the pressurization utmost point 4, between earthing pole 8 and the pressurization utmost point 4, leave discharging gap 2, insulating bar 3 head ends adopt fastening nut 6 or bayonet lock to fix and be clamped in the semicircle metallic channel of insulating press boards 5 of the pressurization utmost point 4 belows, the tail end of insulating bar 3 is connected to having in elastic force opening ring-type metallic channel of earthing pole 8, the microampere meter 9 of connecting respectively on earthing pole 8 outputs. as Figure 3-Figure 4.
The described pressurization utmost point 4 is connected with the output head anode of hookup 1, and microampere meter 9 outputs are connected with the negative pole of hookup 1. As shown in Figure 2.
For overcoming the above problems, the invention provides a kind of efficient, science, effective novel ac voltage withstanding support, a kind of arc discharge formula of the present invention insulating bar AC voltage withstand test elementary diagram is as shown in Figure 2.
Apparatus of the present invention are made insulating support with epoxy resin, first section of installation of support with the semicircle metallic channel of discharging gap as the pressurization utmost point, metallic channel and discharging gap are fixed on bakelite, its top and the bottom are fixed with nut or bayonet lock and step up insulating bar head end, as shown in Figure 3, when pressurization, little gap is breakdown, upper and lower position, gap equipotential; In gap due to the difference of Leakage Current size arc discharge to obtain intensity different, its gap discharge of insulating bar that insulate good is fainter, whether there is stronger arc discharge phenomenon in insulation defectiveness or its gap of insulating bar making moist, good from visually just judging rapidly insulation status according to the power of gap arc discharge.
The tail end of support is installed mutually clearance for insulation tool some metal earthing poles springy, block the tail end of insulating bar with earthing pole, the microampere meter of simultaneously connecting respectively on earthing pole, the leakage current flowing through in every insulating bar while pressurization to detect, judge that whether insulating bar is qualified as shown in Figure 4, and according to the size of current value.
This Bracket for Inspection can effectively be increased work efficiency, and realization can judge testing result with interval luminous intensity and leakage current threshold values. Make the test requirements document of insulating bar AC voltage withstand test by application in practice. This support can meet to detect tests dielectric strength requirement, and on-the-spot easy to use and flexible is safe and reliable.
Claims (2)
1. the alternating-current voltage resistance test device of an arc discharge monitoring, comprise hookup (1), insulating bar (3), the pressurization utmost point (4), insulating press boards (5), fastening bolt (6), epoxy resins insulation support (7), earthing pole (8), it is characterized in that: the tail end tool for mounting opening annular metal springy earthing pole (8) of described epoxy resins insulation support (7), the head end of epoxy resins insulation support (7) is installed semicircle metallic channel with discharging gap as the pressurization utmost point (4), between earthing pole (8) and the pressurization utmost point (4), leave discharging gap (2), insulating bar (3) head end adopts fastening nut (6) or bayonet lock to fix and be clamped in the semicircle metallic channel of insulating press boards (5) of the pressurization utmost point (4) below, the tail end of insulating bar (3) is connected to having in elastic force opening ring-type metallic channel of earthing pole (8), the microampere meter (9) of connecting respectively on earthing pole (8) output.
2. the alternating-current voltage resistance test device of arc discharge according to claim 1 monitoring, its feature in: the described pressurization utmost point (4) is connected with the output head anode of hookup (1), and microampere meter (9) output is connected with the negative pole of hookup (1).
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CN201310736708.9A CN103728540B (en) | 2013-12-27 | 2013-12-27 | A kind of alternating-current voltage resistance test device of arc discharge monitoring |
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CN201310736708.9A CN103728540B (en) | 2013-12-27 | 2013-12-27 | A kind of alternating-current voltage resistance test device of arc discharge monitoring |
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CN103728540B true CN103728540B (en) | 2016-05-04 |
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CN104483603A (en) * | 2014-12-02 | 2015-04-01 | 国网青海省电力公司海东供电公司 | Withstand voltage detecting method of insulating rod |
CN108598887A (en) * | 2018-04-20 | 2018-09-28 | 廊坊市东电腾达电力工程有限公司 | A kind of switchgear Special grounding wire |
CN110579673B (en) * | 2019-09-07 | 2021-10-19 | 武汉里得电力科技股份有限公司 | Leakage current measurement and control system and method for insulating bucket arm vehicle |
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CN202133748U (en) * | 2011-06-26 | 2012-02-01 | 江西赣州供电公司 | Test apparatus for overpressure resistance of insulator spindle |
CN102495245A (en) * | 2011-12-02 | 2012-06-13 | 山东电力集团公司威海供电公司 | Withstand voltage test platform and test device for insulation rod |
CN103235243A (en) * | 2013-03-18 | 2013-08-07 | 国家电网公司 | Test stand for insulating instruments |
CN103383400A (en) * | 2013-07-09 | 2013-11-06 | 国家电网公司 | Insulation safety device preventability test device |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5132629A (en) * | 1991-02-25 | 1992-07-21 | Clinton Instrument Company | Apparatus for testing the insulation of an electrical conductor passing through an electrode |
JP2002324702A (en) * | 2001-04-26 | 2002-11-08 | Central Res Inst Of Electric Power Ind | Liquid resistor with discharge gap |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202133748U (en) * | 2011-06-26 | 2012-02-01 | 江西赣州供电公司 | Test apparatus for overpressure resistance of insulator spindle |
CN102495245A (en) * | 2011-12-02 | 2012-06-13 | 山东电力集团公司威海供电公司 | Withstand voltage test platform and test device for insulation rod |
CN103235243A (en) * | 2013-03-18 | 2013-08-07 | 国家电网公司 | Test stand for insulating instruments |
CN103383400A (en) * | 2013-07-09 | 2013-11-06 | 国家电网公司 | Insulation safety device preventability test device |
Non-Patent Citations (1)
Title |
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