CN104076000A - Indicator for indicating dampness state of oil-immersed-type high-voltage bushing - Google Patents
Indicator for indicating dampness state of oil-immersed-type high-voltage bushing Download PDFInfo
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- CN104076000A CN104076000A CN201410296230.7A CN201410296230A CN104076000A CN 104076000 A CN104076000 A CN 104076000A CN 201410296230 A CN201410296230 A CN 201410296230A CN 104076000 A CN104076000 A CN 104076000A
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- Prior art keywords
- oil
- color
- voltage bushing
- immersed
- groove
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000741 silica gel Substances 0.000 claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 15
- 239000011148 porous material Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 5
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
本发明涉及一种油浸式高压套管受潮状态指示器，其特征在于：包括接口件，所述接口件的一端设置有凹槽，所述接口件的另一端的外侧壁上设置有用于与油浸式高压套管储油柜相连接的螺纹，所述凹槽中部设置有通向接口件另一端的贯穿孔，所述凹槽内连接有变色机构，所述变色机构包括一无色的透明管，所述透明管的两端均设置有封板，所述透明管内放置有变色硅胶，所述封板上设置有若干个孔径小于变色硅胶外径的通孔，所述透明管外套设有保护套，所述保护套上均布有若干个观察变色硅胶的观察孔。本装置能够实时有效、可靠的指示出油浸式高压套管受潮状态，且不需要停电处理。
The invention relates to an oil-immersed high-voltage casing damp state indicator, which is characterized in that it includes an interface piece, one end of the interface piece is provided with a groove, and the outer wall of the other end of the interface piece is provided with a The thread connected to the oil-immersed high-voltage bushing oil conservator, the middle part of the groove is provided with a through hole leading to the other end of the interface piece, the color changing mechanism is connected in the groove, and the color changing mechanism includes a colorless Transparent tube, both ends of the transparent tube are provided with sealing plates, the transparent tube is placed with color-changing silica gel, and the sealing plate is provided with several through holes with apertures smaller than the outer diameter of the color-changing silica gel. There is a protective cover, and several observation holes for observing the color-changing silica gel are evenly distributed on the protective cover. The device can effectively and reliably indicate the damp state of the oil-immersed high-voltage bushing in real time, and does not need power-off treatment.
Description
Technical field
The present invention relates to a kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist.
Background technology
Oil-immersed and high-voltage sleeve pipe is one of the most key assembly of power transformer, after sleeve pipe makes moist, under the high-tension long term of electrical network, easily occurs insulation breakdown phenomenon, even occurs bushing explosion accident, causes power transformer to damage, and affects power grid security.Bushing happens occasionally because of the phenomenon that the problems such as design of Sealing Structure, lead-in wire installation, material aging cause seal failure, sleeve pipe to make moist in recent years, if pinpoint the problems in time and take measures at the sleeve pipe initial stage of making moist, can avoid well the generation of accident.Make moist and mainly measure the method for its dielectric loss and electric capacity, its situation of making moist of indirect review by power failure for sleeve pipe at present.The method exists the problem such as the difficulty that has a power failure, sense cycle length, be difficult to effectively detect in real time the sleeve pipe defect of making moist, therefore the state that how monitoring indicating sleeve pipe insulation make moist easily in real time, find as early as possible the sleeve pipe defect of making moist, problem is eliminated in bud, avoid defect or accident further to expand, have very important significance.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, be that technical matters to be solved by this invention is to provide a kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist, can indicate effectively, reliably in real time the oil-immersed and high-voltage sleeve pipe state that makes moist, and not need to have a power failure and process.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist, comprise mouthpiece, one end of described mouthpiece is provided with groove, on the lateral wall of the other end of described mouthpiece, be provided with the screw thread for being connected with oil-immersed and high-voltage sleeve pipe oil conservater, described groove middle part be provided with lead to the mouthpiece other end through hole, in described groove, be connected with variable color mechanism, described variable color mechanism comprises a colourless transparent pipe, the two ends of described transparent pipe are provided with shrouding, in described transparent pipe, be placed with discolour silica gel, on described shrouding, be provided with the through hole that several apertures are less than discolour silica gel external diameter, described transparent pipe is arranged with protective sleeve outward, on described protective sleeve, be evenly equipped with the viewport that several observe discolour silica gel, the threaded one end of described protective sleeve is connected on one end sidewall of mouthpiece band groove, the other end of described protective sleeve is provided with the cover plate with pit, the other end contact of described variable color mechanism is in the pit of cover plate.
Further, on the sidewall that described transparent pipe two ends contact with groove and recess respectively, be provided with grommet type seals.
Further, on the sidewall of described mouthpiece, be provided with the air-filled pore of taking out being communicated with through hole, the described air-filled pore of taking out increases in aperture from inside to outside successively, its inwall forms the first annular terrace and the second annular terrace from inside to outside, described taking out is disposed with spring from inside to outside in air-filled pore, the decorative pearl on top of an official cap, the capable O-ring seal of O, middle part arranges leachy briquetting, sealing-plug, the capable O-ring seal of described O is placed on the first annular terrace, described briquetting is threaded connection and takes out air-filled pore and be connected, the bottom of described briquetting is resisted against on the second annular terrace, the air vent aperture of described briquetting is less than the internal diameter of the capable O-ring seal of O, the described decorative pearl on top of an official cap under the effect of spring contact at the downside of the capable O-ring seal of O, described sealing-plug is threaded connection and takes out air-filled pore and be connected, the side of described sealing-plug is provided with grommet type seals, when bleeding in transparent pipe or inflate, take off sealing-plug, be less than or equal to the pipe of briquetting air vent aperture with an external diameter, the decorative pearl on top of an official cap, toward pressing down, can be taken out to inflation operation to variable color mechanism.
Further, described transparent pipe is colourless plastic, transparent pipe or glass tube.
The bottom of the screw thread that further, the described mouthpiece other end is connected with oil-immersed and high-voltage sleeve pipe is provided with grommet type seals.
Further, described cover plate is connected with protective sleeve by the latch that is arranged on protective sleeve sidewall one end.
Compared with prior art, the present invention has following beneficial effect: utilize the silica gel non-method for electrically monitoring sleeve of the variable color state that makes moist that makes moist, overcome Electric Method need have a power failure detection, sense cycle long, there is the problems such as interference, this indicator structure is simple and reliable, can be online, monitoring the sleeve pipe state that makes moist that shows directly perceived effectively in real time, can carry out state instruction at the sleeve pipe initial stage of making moist, remind O&M personnel to process in time, avoid sleeve pipe the further developing and the generation of accident of defect of making moist, guaranteed its safe operation.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Brief description of the drawings
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of taking out air-filled pore use state in the embodiment of the present invention.
Fig. 3 is the schematic diagram of embodiment of the present invention duty.
In figure: 1-mouthpiece, the screw thread that 11-is connected with oil-immersed and high-voltage sleeve pipe, 12-grommet type seals, 13-through hole; 2-transparent pipe, 21-shrouding, 22-discolour silica gel, 3-protective sleeve; 31-cover plate, 32-latch, the grommet type seals at 33-transparent pipe two ends; 4-takes out air-filled pore, 41-spring, the 42-decorative pearl on top of an official cap; the capable O-ring seal of 43-O, 44-briquetting, 45-sealing-plug; 46-pipe, 5-oil-immersed and high-voltage sleeve pipe oil conservater, 51-oil.
Embodiment
Embodiment mono-: as shown in Fig. 1 ~ 3, a kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist, comprise mouthpiece 1, one end of described mouthpiece 1 is provided with groove, on the lateral wall of the other end of described mouthpiece 1, be provided with the screw thread 11 for being connected with oil-immersed and high-voltage sleeve pipe oil conservater 5, described groove middle part be provided with lead to the mouthpiece other end through hole 13, in described groove, be connected with variable color mechanism, described variable color mechanism comprises a colourless transparent pipe 2, the two ends of described transparent pipe 2 are provided with shrouding 21, in described transparent pipe 2, be placed with discolour silica gel 22, on described shrouding 21, be provided with the through hole that several apertures are less than discolour silica gel 22 external diameters, the outer protective sleeve 3 that is arranged with of described transparent pipe 2, on described protective sleeve 3, be evenly equipped with the viewport that several observe discolour silica gel 22, the threaded one end of described protective sleeve 3 is connected on one end sidewall of mouthpiece 1 with groove, the other end of described protective sleeve 3 is provided with the cover plate 31 with pit, the other end contact of described variable color mechanism is in the pit of cover plate 31.
In the present embodiment, for preventing gas leakage, on the sidewall that described transparent pipe 2 two ends contact with groove and recess respectively, be provided with grommet type seals 33.
In the present embodiment, on the sidewall of described mouthpiece 1, be provided be communicated with through hole 13 take out air-filled pore 4, the described air-filled pore 4 of taking out increases in aperture from inside to outside successively, its inwall forms the first annular terrace and the second annular terrace from inside to outside, described taking out is disposed with spring 41 from inside to outside in air-filled pore 4, the decorative pearl on top of an official cap 42, the capable O-ring seal 43 of O, middle part arranges leachy briquetting 44, sealing-plug 45, the capable O-ring seal 43 of described O is placed on the first annular terrace, described briquetting 44 is threaded connection and takes out air-filled pore 4 and be connected, the bottom of described briquetting 44 is resisted against on the second annular terrace, the air vent aperture of described briquetting 44 is less than the internal diameter of the capable O-ring seal 43 of O, the described decorative pearl on top of an official cap 42 under the effect of spring 41 contact at the downside of the capable O-ring seal 43 of O, described sealing-plug 45 is threaded connection and takes out air-filled pore 4 and be connected, the side of described sealing-plug 45 is provided with grommet type seals, when bleeding in transparent pipe 2 or inflate, take off sealing-plug 45, be less than or equal to the pipe 46 of briquetting air vent aperture with an external diameter, the decorative pearl on top of an official cap 42, toward pressing down, can be taken out to inflation operation to variable color mechanism.
In the present embodiment, described transparent pipe is 2 colourless plastic, transparent pipe or glass tubes.
In the present embodiment, the bottom of the screw thread that described mouthpiece 1 other end is connected with oil-immersed and high-voltage sleeve pipe is provided with grommet type seals 12.
In the present embodiment, described cover plate 31 is connected with protective sleeve 3 by the latch 32 that is arranged on protective sleeve sidewall one end.
While using this indicator, this indicator is threaded on oil-immersed and high-voltage sleeve pipe oil conservater 5, the steam that oil 51 in oil-immersed and high-voltage sleeve pipe oil conservater 5 produces enters in variable color mechanism, if discolour silica gel generation variable color illustrates that oil-immersed and high-voltage sleeve pipe has made moist.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410296230.7A CN104076000B (en) | 2014-06-27 | 2014-06-27 | A kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410296230.7A CN104076000B (en) | 2014-06-27 | 2014-06-27 | A kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104076000A true CN104076000A (en) | 2014-10-01 |
| CN104076000B CN104076000B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410296230.7A Active CN104076000B (en) | 2014-06-27 | 2014-06-27 | A kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist |
Country Status (1)
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| CN (1) | CN104076000B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067251A (en) * | 2015-08-19 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Low-temperature failure detector for titanium-nickel-iron memory alloy joint |
| CN106449022A (en) * | 2016-10-18 | 2017-02-22 | 国网河南省电力公司濮阳供电公司 | Protective jacket for transformer respirator |
| CN111458663A (en) * | 2020-05-21 | 2020-07-28 | 福州大学 | Moisture monitoring device and method for oil-paper capacitive bushing based on air humidity sensing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01243505A (en) * | 1988-03-25 | 1989-09-28 | Mitsubishi Electric Corp | Gas checker for gas insulated electromagnetic induction apparatus |
| JPH05296993A (en) * | 1992-04-22 | 1993-11-12 | Toshiba Corp | Moisture detector |
| CN2370536Y (en) * | 1999-03-04 | 2000-03-22 | 张宝山 | Continuous purifying colour changing moisture absorption device |
| CN202736648U (en) * | 2012-07-20 | 2013-02-13 | 常州市金美机械制造有限公司 | Moisture absorber for transformer |
| JP2013077723A (en) * | 2011-09-30 | 2013-04-25 | Daihen Corp | Transformer and transformer system |
| CN203103068U (en) * | 2013-01-27 | 2013-07-31 | 大连世有电力科技有限公司 | Respirator for transformer |
| CN203929619U (en) * | 2014-06-27 | 2014-11-05 | 国家电网公司 | A kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist |
-
2014
- 2014-06-27 CN CN201410296230.7A patent/CN104076000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01243505A (en) * | 1988-03-25 | 1989-09-28 | Mitsubishi Electric Corp | Gas checker for gas insulated electromagnetic induction apparatus |
| JPH05296993A (en) * | 1992-04-22 | 1993-11-12 | Toshiba Corp | Moisture detector |
| CN2370536Y (en) * | 1999-03-04 | 2000-03-22 | 张宝山 | Continuous purifying colour changing moisture absorption device |
| JP2013077723A (en) * | 2011-09-30 | 2013-04-25 | Daihen Corp | Transformer and transformer system |
| CN202736648U (en) * | 2012-07-20 | 2013-02-13 | 常州市金美机械制造有限公司 | Moisture absorber for transformer |
| CN203103068U (en) * | 2013-01-27 | 2013-07-31 | 大连世有电力科技有限公司 | Respirator for transformer |
| CN203929619U (en) * | 2014-06-27 | 2014-11-05 | 国家电网公司 | A kind of oil-immersed and high-voltage sleeve pipe positioning indicator that makes moist |
Non-Patent Citations (1)
| Title |
|---|
| 赵光银: "变压器呼吸器的作用与使用", 《电世界》, no. 3, 31 December 1997 (1997-12-31) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067251A (en) * | 2015-08-19 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Low-temperature failure detector for titanium-nickel-iron memory alloy joint |
| CN106449022A (en) * | 2016-10-18 | 2017-02-22 | 国网河南省电力公司濮阳供电公司 | Protective jacket for transformer respirator |
| CN111458663A (en) * | 2020-05-21 | 2020-07-28 | 福州大学 | Moisture monitoring device and method for oil-paper capacitive bushing based on air humidity sensing |
| CN111458663B (en) * | 2020-05-21 | 2021-11-02 | 福州大学 | Oiled paper capacitive bushing moisture monitoring device and method based on air humidity sensing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104076000B (en) | 2016-05-04 |
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