CN103063373A - Leak detector of capsule for transformer oil conservator - Google Patents
Leak detector of capsule for transformer oil conservator Download PDFInfo
- Publication number
- CN103063373A CN103063373A CN2012105791630A CN201210579163A CN103063373A CN 103063373 A CN103063373 A CN 103063373A CN 2012105791630 A CN2012105791630 A CN 2012105791630A CN 201210579163 A CN201210579163 A CN 201210579163A CN 103063373 A CN103063373 A CN 103063373A
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- capsule
- liquid
- collecting barrel
- transformer oil
- leak detector
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Abstract
The invention relates to a leak detector of a capsule for a transformer oil conservator. The leak detector is mounted inside the capsule for the transformer oil conservator in an overall sealed mode at the lowermost point of the capsule and comprises a liquid collection barrel, a floater and a reed pipe switch, a hollow stand column is mounted inside the liquid collection barrel, the reed pipe switch is fixedly mounted inside a cavity of the hollow stand column, the floater is movably arranged outside the hollow column in a sleeved mode, the floater is provided with a magnet, and a connection terminal of the reed pipe switch is connected with a far-end control center through a circuit board. The leak detector has the functions of alarming capsule fractures, capsule leakage or waterlogging, can monitor a transformer for a long time, can detect potential safety hazard in time, avoid accidental trips of transformer and outages, greatly reduces economic loss, and brings convenience to automatization intelligent control.
Description
Technical field
The present invention relates to a kind of leak-checking apparatus in the transformer that is applied to, specifically a kind of transformer oil storage capsule leak detector.
Background technology
The transformer oil storage capsule is the GPF (General Protection False device that generally is applied on the transformer, and its effect is that transformer oil and air is isolated; require it oil-tight, water-tight; thereby guarantee that transformer oil does not make moist, the protection transformer normally moves, and improves transformer serviceable life.Used transformer oil storage capsule on the present market, in it breaks seepage or capsule during dewfall ponding, can't judge that it has broken or ponding, only have the transformer oil of working as to make moist, the tripping operation of transformer operation exception is removed the oil conservater capsule from oil conservater, could find capsules break seepage or ponding, but caused this moment the unexpected tripping operation of transformer to have a power failure, caused great loss.
Along with the development of power transmission and transformation industry, be to be badly in need of the problem that will solve to oil conservater with the monitoring of capsules break, seepage or ponding, at present, the technical scheme that can address the aforementioned drawbacks there is not yet report.
Summary of the invention
Do not solve oil conservater this defective of monitoring with capsules break, seepage or ponding for still having in the prior art, the technical problem to be solved in the present invention provides a kind of transformer oil storage capsule leak detector with capsules break, seepage or ponding monitoring, alarming function.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Transformer oil storage of the present invention capsule leak detector, integrally closed is installed on the oil conservater capsule, be located at the minimum point of capsule, have liquid-collecting barrel, float and dry-reed tube switch, wherein hollow column vertically is installed in the liquid-collecting barrel, and dry-reed tube switch Guan County is in the hollow column cavity, and the float movable set is outside hollow column, float is provided with magnet, and the terminals of dry-reed tube switch link to each other with far-end control center by circuit board.
Also has liquid level emasuring device in the described liquid-collecting barrel.
Described liquid level emasuring device is slide resistor, and the slide resistor moving contact is fixedly connected with float; The terminals of slide resistor are connected with circuit board, and the simulating signal of circuit board output is carried out communication with far-end control center and is connected.
Described integrally closed is installed on the oil conservater capsule: capsule comprises original capsule and newly-increased capsule two parts, minimum point is provided with opening in original capsule bottom, the outer, top of liquid-collecting barrel and the edge of opening of original capsule are tightly connected, the staving part is outside opening part extends capsule, newly-increased capsule is coated outside the liquid-collecting barrel staving, and is tightly connected with original capsule.
Described liquid-collecting barrel is provided with counter weight device.
Described counter weight device is flange, and this flange is located at the outer of liquid-collecting barrel, seals in the confined space that is installed between liquid-collecting barrel, original capsule and the newly-increased capsule.
The fixed support on the top of described hollow column by being located at liquid-collecting barrel is installed in the liquid-collecting barrel.
Bucket wall and/or the fixed support of described liquid-collecting barrel are provided with oil guide groove.
The present invention has following beneficial effect and advantage:
1. the present invention has transformer oil storage with capsules break, seepage or ponding warning function, and transformer is carried out long term monitoring, can in time find potential safety hazard, avoids the unexpected tripping operation of transformer power-off fault, has greatly reduced economic loss.
2. the present invention can realize distant place transmission, carries out easily data acquisition and preservation, is convenient to realize automatic intelligent control.
Description of drawings
Fig. 1 is structural representation of the present invention.
Wherein, 1 is capsule, and 2 is flange, 3 liquid-collecting barrels, and 4 is fixed support, and 5 is dry-reed tube switch, and 6 is hollow column, and 7 is circuit board, and 8 is slide resistor, and 9 is the slide resistor moving contact, and 10 is float, 11 is magnet.
Embodiment
The present invention is further elaborated below in conjunction with Figure of description.
As shown in Figure 1, transformer oil storage of the present invention capsule leak detector, integrally closed is installed on oil conservater and uses capsule 1 inside, be located at the minimum point of capsule 1, have liquid-collecting barrel 3, float 10 and dry-reed tube switch 5, wherein hollow column 6 vertically is installed in the liquid-collecting barrel 3, dry-reed tube switch 5 is installed in hollow column 6 cavitys, float 10 movable sets are outside hollow column 6, and float 10 is provided with magnet 11, and the terminals of dry-reed tube switch 5 link to each other with far-end control center by circuit board 7.
In order better to monitor capsule leakage situation, the present invention also has liquid level emasuring device, is located in the liquid-collecting barrel 3.In the present embodiment, liquid level emasuring device is a slide resistor 8, and slide resistor moving contact 9 is fixedly connected with float 10; The terminals of slide resistor 8 are electrically connected with a circuit board 7, and the simulating signal of circuit board 7 outputs is carried out communication with far-end control center and is connected.
Capsule 1 comprises original capsule and newly-increased capsule two parts, minimum point is provided with opening in original capsule bottom, the outer, top of liquid-collecting barrel 3 and the edge of opening of original capsule are tightly connected, the staving part is extended outside original capsule 1 by opening part, newly-increased capsule is coated outside liquid-collecting barrel 3 stavings, and is tightly connected with original capsule.
In order to allow the capsule leak detector remain on the lowest order of capsule 1, the present invention has set up counter weight device.In the present embodiment, counter weight device is a flange 2, and this flange 2 is located at the outer of liquid-collecting barrel 3, seals in the confined space that is installed between liquid-collecting barrel 3, original capsule and the newly-increased capsule capsule; Flange 2 adopts non-magnetic aluminium sheet to make.
Transformer oil storage of the present invention is installed on oil conservater with capsule 1 inside with capsule leak detector sealing, along with capsule 1 floats on the liquid level in the oil conservater, and remains on the minimum point of capsule 1.Transformer oil storage encases flange 2 and the liquid-collecting barrel 3 that is fixed on the flange 2 by capsule 1 with the capsule leak detector, when capsule 1 breaks or during seepage, the transformer oil or the ponding that enter in the capsule 1 enter in the liquid-collecting barrel 3, float 10 is along with pasta or the water surface in the liquid-collecting barrel 3 constantly rises, be fixed on slide resistor moving contact 9 on the float 10 also along with float 10 rises, thereby change the resistance value of slide resistor 8, the resistance value that changes is sent to circuit board 7, liquid-collecting barrel 3 interior oil masses or the water yield are changed into 4～20mA or 0 ~ 5V analog output to control center's (central control room) of transformer, when float 10 rises to the contact position of dry-reed tube switch 5, be fixed on the contact of the magnet 11 absorption dry-reed tube switch 5 in the float 10, make contacting send alerting signal, convenient monitoring and control to running state of transformer are convenient to realize automatic intelligent control.
Claims (8)
1. transformer oil storage capsule leak detector, it is characterized in that: integrally closed is installed on oil conservater and uses capsule (1) inside, be located at the minimum point of capsule (1), has liquid-collecting barrel (3), float (10) and dry-reed tube switch (5), wherein hollow column (6) vertically is installed in the liquid-collecting barrel (3), dry-reed tube switch (5) Guan County is in hollow column (6) cavity, float (10) movable set is outside hollow column (6), float (10) is provided with magnet (11), and the terminals of dry-reed tube switch (5) link to each other with far-end control center by circuit board (7).
2. by transformer oil storage claimed in claim 1 capsule leak detector, it is characterized in that: described liquid-collecting barrel also has liquid level emasuring device in (3).
3. by transformer oil storage claimed in claim 2 capsule leak detector, it is characterized in that: described liquid level emasuring device is slide resistor (8), and slide resistor moving contact (9) is fixedly connected with float (10); The terminals of slide resistor (8) are connected with circuit board (7), and the simulating signal of circuit board (7) output is carried out communication with far-end control center and is connected.
4. by transformer oil storage claimed in claim 1 capsule leak detector, it is characterized in that: described integrally closed is installed on oil conservater with capsule (1) inside: capsule (1) comprises original capsule and newly-increased capsule two parts, minimum point is provided with opening in original capsule bottom, the outer, top of liquid-collecting barrel (3) and the edge of opening of original capsule are tightly connected, the staving part is outside opening part extends capsule (1), newly-increased capsule is coated outside liquid-collecting barrel (3) staving, and is tightly connected with original capsule.
5. by claim 1 or 4 described transformer oil storage capsule leak detectors, it is characterized in that: described liquid-collecting barrel (3) is provided with counter weight device.
6. by transformer oil storage claimed in claim 5 capsule leak detector, it is characterized in that: described counter weight device is flange (2), this flange (2) is located at the outer of liquid-collecting barrel (3), seals in the confined space that is installed between liquid-collecting barrel (3), original capsule and the newly-increased capsule.
7. by transformer oil storage claimed in claim 1 capsule leak detector, it is characterized in that: the fixed support (4) on the top of described hollow column (6) by being located at liquid-collecting barrel (3) is installed in the liquid-collecting barrel (3).
8. by claim 1 or 7 described transformer oil storage capsule leak detectors, it is characterized in that: bucket wall and/or the fixed support (4) of described liquid-collecting barrel (3) are provided with oil guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105791630A CN103063373A (en) | 2012-12-28 | 2012-12-28 | Leak detector of capsule for transformer oil conservator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105791630A CN103063373A (en) | 2012-12-28 | 2012-12-28 | Leak detector of capsule for transformer oil conservator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103063373A true CN103063373A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105791630A Pending CN103063373A (en) | 2012-12-28 | 2012-12-28 | Leak detector of capsule for transformer oil conservator |
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| CN (1) | CN103063373A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304277A (en) * | 2015-10-20 | 2016-02-03 | 国网山东省电力公司东营供电公司 | Electric refueling device for distribution transformer |
| CN105910764A (en) * | 2016-02-29 | 2016-08-31 | 国家电网公司 | Transformer oil conservator capsule rupture detection apparatus and method |
| CN106441746A (en) * | 2016-09-06 | 2017-02-22 | 国网山东省电力公司潍坊供电公司 | Gas leakage speed detector specially used for GIS equipment |
| CN106872107A (en) * | 2015-12-10 | 2017-06-20 | 张艳 | A kind of method and its device for realizing oil leak detection |
| CN109000858A (en) * | 2018-06-20 | 2018-12-14 | 国家电网公司 | The complete detection system of Multifunction transformer |
| CN109724751A (en) * | 2018-12-05 | 2019-05-07 | 中国船舶重工集团公司第七一一研究所 | A kind of leakage alarm integrating device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5686326A (en) * | 1979-12-17 | 1981-07-14 | Hitachi Ltd | Leak detecting system |
| CN2844863Y (en) * | 2005-12-06 | 2006-12-06 | 山东桑乐太阳能有限公司 | Level sensor for solar water heating engineering |
| US20070220969A1 (en) * | 2004-07-01 | 2007-09-27 | Yukinaga Nakano | Leakage Inspection Apparatus for Liquid Storage Tank Technical Field |
| CN201555640U (en) * | 2009-09-10 | 2010-08-18 | 上海华普汽车有限公司 | Methanol fuel liquid level sensor |
| CN201955200U (en) * | 2010-12-02 | 2011-08-31 | 沈阳洪达橡塑总厂 | Liquid detector for rubber sac of transformer oil storage cabinet |
-
2012
- 2012-12-28 CN CN2012105791630A patent/CN103063373A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5686326A (en) * | 1979-12-17 | 1981-07-14 | Hitachi Ltd | Leak detecting system |
| US20070220969A1 (en) * | 2004-07-01 | 2007-09-27 | Yukinaga Nakano | Leakage Inspection Apparatus for Liquid Storage Tank Technical Field |
| CN2844863Y (en) * | 2005-12-06 | 2006-12-06 | 山东桑乐太阳能有限公司 | Level sensor for solar water heating engineering |
| CN201555640U (en) * | 2009-09-10 | 2010-08-18 | 上海华普汽车有限公司 | Methanol fuel liquid level sensor |
| CN201955200U (en) * | 2010-12-02 | 2011-08-31 | 沈阳洪达橡塑总厂 | Liquid detector for rubber sac of transformer oil storage cabinet |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304277A (en) * | 2015-10-20 | 2016-02-03 | 国网山东省电力公司东营供电公司 | Electric refueling device for distribution transformer |
| CN106872107A (en) * | 2015-12-10 | 2017-06-20 | 张艳 | A kind of method and its device for realizing oil leak detection |
| CN105910764A (en) * | 2016-02-29 | 2016-08-31 | 国家电网公司 | Transformer oil conservator capsule rupture detection apparatus and method |
| CN105910764B (en) * | 2016-02-29 | 2017-12-15 | 国家电网公司 | Transformer oil storage capsules break detection method |
| CN106441746A (en) * | 2016-09-06 | 2017-02-22 | 国网山东省电力公司潍坊供电公司 | Gas leakage speed detector specially used for GIS equipment |
| CN109000858A (en) * | 2018-06-20 | 2018-12-14 | 国家电网公司 | The complete detection system of Multifunction transformer |
| CN109724751A (en) * | 2018-12-05 | 2019-05-07 | 中国船舶重工集团公司第七一一研究所 | A kind of leakage alarm integrating device |
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Application publication date: 20130424 |