CN103616476A - Electrified detection device for sulfur hexafluoride insulation electrical equipment - Google Patents
Electrified detection device for sulfur hexafluoride insulation electrical equipment Download PDFInfo
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- CN103616476A CN103616476A CN201310533373.0A CN201310533373A CN103616476A CN 103616476 A CN103616476 A CN 103616476A CN 201310533373 A CN201310533373 A CN 201310533373A CN 103616476 A CN103616476 A CN 103616476A
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- sulfur hexafluoride
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Abstract
The invention discloses an electrified detection device for sulfur hexafluoride insulation electrical equipment, relates to the gas detection field, and aims to solve the technical problems that in the prior art, different detection gas channels need to be changed in order to test different programs during the sulfur hexafluoride detection process, and thus the potential hazard is increased during the testing process. The detection device provided by the invention comprises a sulfur hexafluoride detection instrument and a gas channel joint, the gas channel joint is provided with a gas inlet and at least two gas outlets, the gas inlet is connected to sulfur hexafluoride insulation electrical equipment, and the outlets are connected to the sulfur hexafluoride detection instrument. Because the device can complete a plurality of detections at one time, so the safety hazard during the detection process is greatly reduced, the harms to testers are reduced, and the work time is largely reduced and the work efficiency is improved at the same time.
Description
[technical field]
The present invention relates to a kind of checkout equipment, especially a kind of checkout equipment for detection of sulfur hexafluoride gas in electrical equipment.
[background technology]
Sulfur hexafluoride gas has good electrical insulation properties and arc extinction performance, as a kind of insulating medium of excellence, just by power industry, is widely used among the equipment such as high-voltage switch gear, transformer, mutual inductor and high-tension cable.Along with the raising of sulfur hexafluoride insulation electrical equipment technical supervision level and the application of new technology, the supervision project of sulfur hexafluoride gas in service is tested and has been increased the test of gas decomposition product and gas purity etc. by only carrying out gas humidity.But different tests project principle is different, test apparatus is just different, so the gas circuit that equipment live need carry out repeatedly while detecting is changed.The risk that the moment that gas circuit is changed exists sulfur hexafluoride gas to overflow in a large number.Because the sulfur fluoride mixing in sulfur hexafluoride, hydrogen fluoride and ten are fluoridized two sulphur strong toxicities, how once to load and unload security risk and the harm to testing crew that gas circuit just increases bull point.
[summary of the invention]
The technical matters that the present invention solves is to provide a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity, and a plurality of sulfur hexafluoride testers can be connected with sulfur hexafluoride insulation electrical equipment simultaneously, have once connected the multinomial data test of sulfur hexafluoride.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity, comprise sulfur hexafluoride detector, described pick-up unit also comprises gas path joint, described gas path joint is provided with air intake opening and at least two gas outlets, described air intake opening connects sulfur hexafluoride insulation electrical equipment, is all connected with sulfur hexafluoride detector on described gas outlet.
Further, on described gas outlet and air intake opening, be all connected with operation valve.
Further, described pick-up unit also comprises and the sulfur hexafluoride in pick-up unit can be sprung back over to the aspiration pump in sulfur hexafluoride insulation electrical equipment.
Further, described gas path joint is provided with the by-pass port that connects described aspiration pump.
Further, described gas path joint comprises shell, and described gas outlet is along the short transverse setting of shell, and described air intake opening is arranged on the top of shell, in described shell, be provided with the plunger member that can move along outer cover height direction, described plunger member intercepts air intake opening and part gas outlet.
Further, described plunger member comprises the plug core being connected with outer casing screw and the rotating shaft that drives described plug core to rotate.
Further, the bottom of described shell is connected with end cap, described end cap is provided with through hole, through hole described in described rotating shaft cross-under, and the outer face of end cap is provided with along the axial raised lug boss of rotating shaft, the periphery of described rotating shaft is provided with link slot, and described lug boss is provided with the lockhole relative with link slot, between described lockhole and link slot, is connected with locking bar.
Further, the side of described shell is provided with spies on groove, described in spy on and on groove, be connected with translucent cover.
Beneficial effect of the present invention:
Sulfur hexafluoride insulation electrical equipment measuring device with electricity of the present invention, sulfur hexafluoride insulation electrical equipment connects a plurality of sulfur hexafluoride detectors by gas path joint, each sulfur hexafluoride detector detects different projects, therefore device can once complete the multinomial test of sulfur hexafluoride, not only greatly reduce the security risk of test process, alleviate the harm to testing crew, greatly shortened the working time, improved work efficiency simultaneously.
These features of the present invention and advantage will be below embodiment, accompanying drawing in detailed exposure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is connection diagram of the present invention;
Fig. 2 is the structural representation of gas path joint in the present invention.
[embodiment]
The invention provides a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity, comprise sulfur hexafluoride detector and gas path joint, gas path joint is provided with air intake opening and at least two gas outlets, and air intake opening connects sulfur hexafluoride insulation electrical equipment, and gas outlet connects sulfur hexafluoride detector.Therefore device can once complete multinomial test, and repeatedly connection does not compared to existing technology have the replacement process of gas circuit, greatly reduces the security risk of test process, alleviates the harm to testing crew.
Accompanying drawing below in conjunction with the embodiment of the present invention is explained and illustrated the technical scheme of the embodiment of the present invention, but following embodiment is only the preferred embodiments of the present invention, not all.Embodiment based in embodiment, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belongs to protection scope of the present invention.
With reference to figure 1, shown a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity, pick-up unit comprises gas path joint 2, gas path joint 2 is provided with air intake opening 21 and at least two gas outlets 22, air intake opening 21 connects sulfur hexafluoride insulation electrical equipment 1, connects different sulfur hexafluoride detectors on each gas outlet 22.Sulfur hexafluoride detector comprises sulfur hexafluoride humidity measurement instrument 31, sulfur hexafluoride purity detecting instrument 32 and sulfur hexafluoride decomposition product detector 33 etc., sulfur hexafluoride gas in sulfur hexafluoride insulation electrical equipment 1 is after gas path joint 2, enter different sulfur hexafluoride detectors simultaneously, complete the multinomial numerical value of sulfur hexafluoride is detected.Gas path joint is connected with sulfur hexafluoride detector with sulfur hexafluoride insulation electrical equipment by gas circuit connecting pipe, and gas circuit connecting pipe adopts teflon injection mo(u)lding, and teflon has antiacid, alkali resistant and compressive property preferably; And teflon also has lower perviousness, so the gas of gas circuit connecting pipe inside is difficult for being polluted by ambient atmos.
And on each gas outlet 22 and air intake opening 21, be all connected with operation valve, by operation valve, control being communicated with or closure of sulfur hexafluoride detector and gas outlet 22, sulfur hexafluoride insulation electrical equipment 1 is communicated with or closure with air intake opening 21.
Pick-up unit also comprises can spring back over the sulfur hexafluoride in pick-up unit the aspiration pump 4 of sulfur hexafluoride insulation electrical equipment 1, with reference to figure 1, during test, control the first operation valve 51, the second operation valve 52, the 3rd operation valve 53 and the 4th operation valve 54 and open, sulfur hexafluoride detector starts to detect; After detection finishes, controlling the first operation valve 51 closes, the 5th operation valve 55 is opened, the gas that aspiration pump 4 work enter sulfur hexafluoride detector by test process sucks in the pump housing, then controlling the second operation valve 52, the 3rd operation valve 53 and the 4th operation valve 54 closes, the first operation valve 51 is opened, and aspiration pump 4 work push the gas in the pump housing in sulfur hexafluoride insulation electrical equipment 1; By aspiration pump 4, can reduce the residual of sulfur hexafluoride gas in sulfur hexafluoride detector, reduce the potential safety hazard of sulfur hexafluoride detector and gas path joint unloading process.
Preferred gas path joint 2 is provided with the by-pass port 23 that connects aspiration pump 4; All component is connected on same joint, so the connection of gas circuit is simple, convenient.Or a minute pipeline connector also can be set between gas path joint 2 and sulfur hexafluoride insulation electrical equipment 1 and connect aspiration pump.
With reference to figure 2, in the present invention, gas path joint comprises shell 24, gas outlet 22 is along the short transverse setting of shell 24, air intake opening 21 is arranged on the top of shell 24, while needing, can also the by-pass port being connected with aspiration pump be set at the top of shell, in shell 24, be provided with the plunger member that can move along outer cover height direction, plunger member can intercept air intake opening 21 and part gas outlet 22.By plunger member, can control the number of the gas outlet 22 being communicated with air intake opening 21 in gas path joint 2, therefore can selectively regulate in gas path joint and need several gas outlets to give vent to anger.For example: only test the humidity of sulfur hexafluoride, only need to control a gas outlet is to be communicated with air intake opening, connects sulfur hexafluoride humidity measurement instrument on the gas outlet of ventilation; While needing testing humidity and purity, need to control two gas outlets and be communicated with air intake opening, on the gas outlet that can ventilate, connect respectively sulfur hexafluoride humidity measurement instrument and sulfur hexafluoride purity detecting instrument, by that analogy; A gas path joint just can meet multiple testing requirement, needn't be because of different testing requirement, and be equipped with the gas path joint of a plurality of different gas outlets number.
Wherein plunger member comprises the plug core 61 being connected with shell 24 inner threads and the rotating shaft 62 that drives this plug core to rotate, and the other end of rotating shaft 62 is connected with knob 63, and the airtight effect being threaded is good.Plug core can also be and the plasticity plug core of outer casing inner wall close-fitting, promote plug core move by push rod.
The bottom of above-mentioned shell 24 is connected with end cap 7, end cap 7 is provided with through hole, after rotating shaft 62 cross-under through holes, stretch out shell 24, and the outer face of end cap 7 is provided with along the axial raised lug boss 71 of rotating shaft 62, the periphery of rotating shaft 62 is provided with link slot 621, lug boss 71 is provided with the lockhole 72 relative with link slot 621, between lockhole 72 and link slot 621, is connected with locking bar 8, by locking bar 8, can prevent that rotating shaft 62 from freely rotating.Prevent from rotating because external force causes rotating shaft, thereby cause plug core 61 to move up, isolated air intake opening and the gas outlet of working; Or cause plug core to move down, in the gas outlet that gas is never worked, overflow.It is five anti-lock that locking bar 8 can also adopt, and it is five anti-lock that the operating personnel that must hold key just can open, to increase the security of operation.
And the side of shell is provided with spies on groove, spy on groove along the short transverse setting of shell, and on groove, be connected with translucent cover spying on; By translucent cover, can see the position of filling in core in gas path joint, according to the position judgment of plug core, have several gas outlets and air intake opening two to lead to.
By above-described embodiment, object of the present invention is by fully effective having reached.The personage who is familiar with this technology should be understood that the content that the present invention includes but be not limited to accompanying drawing and describe in embodiment above.Any modification that does not depart from function and structure principle of the present invention all will be included in the scope of claims.
Claims (8)
1. a sulfur hexafluoride insulation electrical equipment measuring device with electricity, comprise sulfur hexafluoride detector, it is characterized in that: described pick-up unit also comprises gas path joint, described gas path joint is provided with air intake opening and at least two gas outlets, described air intake opening connects sulfur hexafluoride insulation electrical equipment, is all connected with sulfur hexafluoride detector on described gas outlet.
2. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 1, is characterized in that: on described gas outlet and air intake opening, be all connected with operation valve.
3. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 1 and 2, is characterized in that: described pick-up unit also comprises and the sulfur hexafluoride in pick-up unit can be sprung back over to the aspiration pump in sulfur hexafluoride insulation electrical equipment.
4. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 3, is characterized in that: described gas path joint is provided with the by-pass port that connects described aspiration pump.
5. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 1 and 2, it is characterized in that: described gas path joint comprises shell, described gas outlet is along the short transverse setting of shell, described air intake opening is arranged on the top of shell, in described shell, be provided with the plunger member that can move along outer cover height direction, described plunger member intercepts air intake opening and part gas outlet.
6. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 5, is characterized in that: described plunger member comprises the plug core being connected with outer casing screw and the rotating shaft that drives described plug core to rotate.
7. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 6, it is characterized in that: the bottom of described shell is connected with end cap, described end cap is provided with through hole, through hole described in described rotating shaft cross-under, and the outer face of end cap is provided with along the axial raised lug boss of rotating shaft, the periphery of described rotating shaft is provided with link slot, and described lug boss is provided with the lockhole relative with link slot, between described lockhole and link slot, is connected with locking bar.
8. a kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity according to claim 5, is characterized in that: the side of described shell is provided with spies on groove, described in spy on and on groove, be connected with translucent cover.
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| CN201310533373.0A CN103616476B (en) | 2013-10-31 | 2013-10-31 | A kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity |
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| CN201310533373.0A CN103616476B (en) | 2013-10-31 | 2013-10-31 | A kind of sulfur hexafluoride insulation electrical equipment measuring device with electricity |
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| CN103616476A true CN103616476A (en) | 2014-03-05 |
| CN103616476B CN103616476B (en) | 2016-01-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823027A (en) * | 2014-03-11 | 2014-05-28 | 国家电网公司 | SF6 (sulfur hexafluoride) gas detection interface tool |
| CN104483454A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Gas detecting joint device |
| CN106706163A (en) * | 2016-12-15 | 2017-05-24 | 深圳供电局有限公司 | Insulating gas temperature measuring device in sulfur hexafluoride electrical equipment |
| CN110187066A (en) * | 2019-06-21 | 2019-08-30 | 至砾机电设备（上海）有限公司 | A kind of water oxygen grading analysis detection system and its detection method |
| CN110778917A (en) * | 2019-09-23 | 2020-02-11 | 国网辽宁省电力有限公司丹东供电公司 | Portable sulfur hexafluoride gas pressure-stabilizing distribution device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103823027A (en) * | 2014-03-11 | 2014-05-28 | 国家电网公司 | SF6 (sulfur hexafluoride) gas detection interface tool |
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| CN106706163A (en) * | 2016-12-15 | 2017-05-24 | 深圳供电局有限公司 | Insulating gas temperature measuring device in sulfur hexafluoride electrical equipment |
| CN110187066A (en) * | 2019-06-21 | 2019-08-30 | 至砾机电设备（上海）有限公司 | A kind of water oxygen grading analysis detection system and its detection method |
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| CN110778917A (en) * | 2019-09-23 | 2020-02-11 | 国网辽宁省电力有限公司丹东供电公司 | Portable sulfur hexafluoride gas pressure-stabilizing distribution device |
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| CN103616476B (en) | 2016-01-20 |
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