CN101009172A - Multifunctional protection device of the transformer - Google Patents
Multifunctional protection device of the transformer Download PDFInfo
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- CN101009172A CN101009172A CN 200610134686 CN200610134686A CN101009172A CN 101009172 A CN101009172 A CN 101009172A CN 200610134686 CN200610134686 CN 200610134686 CN 200610134686 A CN200610134686 A CN 200610134686A CN 101009172 A CN101009172 A CN 101009172A
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- transformer
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Abstract
The invention relates to a transformer multi-function protecting device, it is an oil immersed fully impervious transformer running safely protecting device. It includes upper cover (21) equipped with oil level pipe (19), the upper cover (21) is connected with shell (6) via bolt, the shell (6) is connected with protecting cover (5) via screw thread. The product adopts gas alarm device, deflation and sampling gas device, light gas floater alarming visual and oil surface position visual device, pressure releasing device, lowest oil surface tripping device, locale online temperature display device, long-distance temperature display, temperature alarm and limit temperature tripping, adjustable pressure alarm and getting piston to replace the subassembly of transformer, it possesses characters of compact structure, reliable property, complete function, convenient installation.
Description
Technical field: the present invention relates to a kind of transformer multifunctional protective device, specifically a kind of protective device of oil immersed type full-sealed transformer security of operation.
Background technology: the used transformer multifunctional protective device of full-sealed transformer does not have the on-the-spot oily temperature function that shows at present, and its pressure alarm mechanism only is provided with bellows, through just losing the warning accuracy and frequent the warning taken place behind the pressure alarm several times.The oil level display part is connected leakage of oil with housing section, and minimum pasta warning float is too high and cause frequent warning apart from fuel tank, even causes transformer not send.
Summary of the invention: the objective of the invention is at above-mentioned the deficiencies in the prior art, and a kind of novel transformer multifunctional protection device of multiple functional, dependable performance is provided.For achieving the above object, the present invention adopts following technical proposals: the transformer multifunctional protective device, and it comprises the loam cake (21) of band oil level pipe (19), and loam cake (21) is connected with shell (6) by bolt, and shell (6) and guard shield (5) are by being threaded.Concrete structure is: it is by the gas flow alarm mechanism, venting and collection gas model machine structure, visual and the pasta position visual means of light gas float warning, pressure release mechanism, minimum oil level tripping mechanism, on-the-spot online temperature indication mechanism, remote temperature demonstration, temperature alarming and limiting temperature tripping operation and adjustable pressure alarm mechanism are formed.Wherein oil level pipe (19) is built-in with light gas float (22), reed switch (24) and magnet (23), and magnet (23) is installed in the light gas float (22), forms gas flow (light gas) warning part; Be equipped with observation window (20) on the oil level pipe (19) and constitute light gas float motion whole course visible and the visual and pasta position visual means of warning; Oil level pipe (19) upper end one side is provided with air relief cock (18), constitutes venting and gathers gas model machine structure; Pressure relief valve (17) is housed on oil level pipe (19) upper flanges constitutes pressure release mechanism; Loam cake (21) is provided with non-magnetic conductive metal pipe (25), be provided with minimum oil level tripping operation float (4) outside the non-magnetic conductive metal pipe (25), minimum oil level tripping operation magnet (7) is housed in the minimum oil level tripping operation float (4), and non-magnetic conductive metal pipe (25) inner upper end is provided with reed switch (8) and forms minimum oil level tripping mechanism; The inner middle-end of non-magnetic conductive metal pipe (25) is equipped with pressure type temperature sensor (2) and forms on-the-spot online temperature indication mechanism by the visual temperature table that is equipped with on capillary and loam cake (21) terminal box; The interior lower end of non-magnetic conductive metal pipe (25) is equipped with temperature detecting resistance (1) and forms the remote temperature demonstration with the remote temperature instrument; temperature alarming and limiting temperature tripping mechanism; the outer float of above-mentioned non-magnetic conductive metal pipe (25) bottom is provided with float limit adjusting mechanism (3); carry out spacing to minimum oil level tripping operation float (4); loam cake (21) is equipped with large rotating plug (12); large rotating plug (12) is connected with alarm switch (16) by connecting rod; be equipped with bellows (11) under the large rotating plug (12); bellows (11) is built-in with connecting rod ASSY (15); compression spring (10); actuating mechanism (14) is housed on the connecting rod (15); large rotating plug (12) is provided with pet cock (13), and bellows is provided with the bottom formation adjustable pressure alarm mechanism that protective cover (9) is installed on large rotating plug (12) outward.
The present invention is owing to adopted the oil level pipe and the integral structure of loam cake to solve the technical barrier of the existing different large tracts of land seepages that cause owing to two kinds of material coefficients of expansion of branch body structure in the prior art.Observation window adopts pmma material to make, and is not subjected to ultraviolet the influence, is difficult for aging.Because the bellows in the adjustable pressure alarm mechanism places enclosure to be connected under the large rotating plug; adopted built-in compression spring in the bellows; pet cock places and compresses on the spring in the large rotating plug; sensitive switch is connected in large rotating plug top; connecting rod places in the bellows, thereby the bellows protective cover places the outer large rotating plug of bellows to reduce significant volume down.Because thereby utilization compression spring, special bellows and pet cock have guaranteed adjustable in pressure, because utilization compression spring, bellows uses the bellows protective cover to make the deflection of bellows in its range of linearity outward.Thereby guaranteed the accuracy of pressure size.Scene temperature demonstration of the present invention, adjustable remote temperature demonstration, temperature alarming and temperature tripping operation, light gas alarming, light gas oil position show, adjustable heavy gas tripping operation and adjustable pressure is reported to the police, pressure discharges, get mechanism such as gas piston has replaced multiple assembly on the transformer, have compact conformation, dependable performance, characteristics multiple functional, easy for installation.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the enlarged diagram of adjustable pressure alarm mechanism among Fig. 1.
Execution mode:
Embodiment
With reference to Fig. 1, the transformer multifunctional protective device, it comprises the loam cake 21 of band oil level pipe 19, loam cake 21 is connected with shell 6 by bolt, shell 6 and guard shield 5 are by being threaded, it is characterized in that: it is by the gas flow alarm mechanism, venting and collection gas model machine structure, visual and the pasta position visual means of light gas float warning, pressure release mechanism, minimum oil level tripping mechanism, on-the-spot online temperature indication mechanism, remote temperature shows, temperature alarming and limiting temperature tripping operation and adjustable pressure alarm mechanism are formed, and concrete structure is: oil level pipe 19 is built-in with light gas float 22, reed switch 24 and magnet 23, magnet 23 is installed in the light gas float 22, forms gas flow (light gas) warning part; Be equipped with observation window 20 on the oil level pipe 19 and constitute light gas float motion whole course visible and the visual and pasta position visual means of warning; Oil level pipe 19 upper ends one side is provided with air relief cock 18, constitutes venting and gathers gas model machine structure; Pressure relief valve 17 is housed on oil level pipe 19 upper flanges constitutes pressure release mechanism; Loam cake 21 is provided with non-magnetic conductive metal pipe 25, be provided with minimum oil level tripping operation float 4 outside the non-magnetic conductive metal pipe 25, minimum oil level tripping operation magnet 7 is housed in the minimum oil level tripping operation float 4, and non-magnetic conductive metal pipe 25 inner upper end are provided with reed switch 8 and form minimum oil level tripping mechanism; Non-magnetic conductive metal pipe 25 inner middle-ends are equipped with pressure type temperature sensor 2 and form on-the-spot online temperature indication mechanism by the visual temperature table that is equipped with on capillary and loam cake 21 terminal boxes; The lower end is equipped with temperature detecting resistance 1 and the demonstration of remote temperature instrument composition remote temperature in the non-magnetic conductive metal pipe 25; temperature alarming and limiting temperature tripping mechanism; above-mentioned non-magnetic conductive metal pipe 25 outer float bottoms are provided with float limit adjusting mechanism 3; carry out spacing to minimum oil level tripping operation float 4; loam cake 21 is equipped with large rotating plug 12; large rotating plug 12 is connected with alarm switch 16 by connecting rod; large rotating plug is equipped with bellows 11 12 times; bellows 11 is built-in with connecting rod ASSY 15; compression spring 10; actuating mechanism 14 is housed on the connecting rod 15; large rotating plug 12 is provided with pet cock 13, and bellows is provided with the bottom formation adjustable pressure alarm mechanism that protective cover 9 is installed on large rotating plug 12 outward.
Above-mentioned oil level pipe 19 is integrated with loam cake 21.
With reference to Fig. 2, the lower end of connecting rod 27 is connected with joint 26 in the connecting rod ASSY 15, the upper end is inserted in compression spring 10 backs and is passed from pet cock 13 holes, pet cock 13 is connected in large rotating plug 12 by screw thread, above-mentioned joint 26 places the bottom in the bellows 11, be provided with bellows cover 9 outside the bellows 11, bellows cover 9 is connected in large rotating plug 12 lower ends.
Operation principle:
Inside is full of transformer oil when transformer normally moves, and light gas float of signal and tripping operation float are in high limit position, two reed switch contact normally offs.The pressure alarm switch is normally closed, and thermometer shows normal temperature of oil in transformer, and the remote temperature alarm switch is normally closed, and the remote temperature trip switch is normally closed, and pressure relief valve is closed.
When transformer broke down, transformer oil decomposes the generation air accumulation forced pasta to descend on oil level pipe top, and light gas float descends thereupon, when reaching signal magnet conversion reed switch when adjusting gas flow, often to make war closedly, normally closed point disconnects, connect alarm circuit, send alarm signal.When the oil level tripping operation float that continue to descend descends thereupon, when reaching when adjusting minimum oil level, tripping operation magnet 7 conversion reed switchs 8 are often made war closedly, and normally closed point disconnects, and connects trip(ping) circuit, cuts off transformer frequency response.
When transformer broke down, the transformer internal pressure increased, and Mobile Communication crosses connecting rod 12 and drives actuating mechanisms on bellows 11 pressurizeds, the conversion alarm switch closure of often making war, and normally closed point disconnects, and sends the pressure limit alarm signal, and pressure relief valve is opened simultaneously, release pressure.
Pressure-temperature sensor 2 is subjected to variations in temperature, and the scene temperature table is displays temperature thereupon, and the resistance of temperature detecting resistance 1 changes simultaneously, and the remote temperature instrument is displays temperature thereupon.The alarm switch of the remote temperature instrument closure of often making war when transformer breaks down oily temperature rise, normally closed point disconnects and sends alarm signal, when oil temperature continues to raise when reaching limiting temperature, the remote temperature instrument trip switch closure of often making war, normally closed point disconnects and cuts off transformer frequency response.
Claims (3)
1, a kind of transformer multifunctional protective device, it comprises the loam cake (21) of band oil level pipe (19), loam cake (21) is connected with shell (6) by bolt, shell (6) and guard shield (5) are by being threaded, it is characterized in that: it is by the gas flow alarm mechanism, venting and collection gas model machine structure, visual and the pasta position visual means of light gas float warning, pressure release mechanism, minimum oil level tripping mechanism, on-the-spot online temperature indication mechanism, remote temperature shows, temperature alarming and limiting temperature tripping operation and adjustable pressure alarm mechanism are formed, concrete structure is: oil level pipe (19) is built-in with light gas float (22), reed switch (24) and magnet (23), magnet (23) are installed in the light gas float (22), form the gas flow alarm mechanism; Be equipped with observation window (20) on the oil level pipe (19) and constitute light gas float motion whole course visible and the visual and pasta position visual means of warning; Oil level pipe (19) upper end one side is provided with air relief cock (18), constitutes venting and gathers gas model machine structure; Pressure relief valve (17) is housed on oil level pipe (19) upper flanges constitutes pressure release mechanism; Loam cake (21) is provided with non-magnetic conductive metal pipe (25), be provided with minimum oil level tripping operation float (4) outside the non-magnetic conductive metal pipe (25), minimum oil level tripping operation magnet (7) is housed in the minimum oil level tripping operation float (4), and non-magnetic conductive metal pipe (25) inner upper end is provided with reed switch (8) and forms minimum oil level tripping mechanism; The inner middle-end of non-magnetic conductive metal pipe (25) is equipped with pressure type temperature sensor (2) and forms on-the-spot online temperature indication mechanism by the visual temperature table that is equipped with on capillary and loam cake (21) terminal box; The interior lower end of non-magnetic conductive metal pipe (25) is equipped with temperature detecting resistance (1) and forms the remote temperature demonstration with the remote temperature instrument; temperature alarming and limiting temperature tripping mechanism; the outer float of above-mentioned non-magnetic conductive metal pipe (25) bottom is provided with float limit adjusting mechanism (3); carry out spacing to minimum oil level tripping operation float (4); loam cake (21) is equipped with large rotating plug (12); large rotating plug (12) is connected with alarm switch (16) by connecting rod; be equipped with bellows (11) under the large rotating plug (12); bellows (11) is built-in with connecting rod ASSY (15); spring (10); actuating mechanism (14) is housed on the connecting rod (15); large rotating plug (12) is provided with pet cock (13), and bellows is provided with the bottom formation adjustable pressure alarm mechanism that protective cover (9) is installed on large rotating plug (12) outward.
2, transformer multifunctional protective device according to claim 1 is characterized in that: described oil level pipe (19) is integrated with loam cake (21).
3, transformer multifunctional protective device according to claim 1; it is characterized in that: the lower end of connecting rod (27) is connected with joint (26) in the described connecting rod ASSY (15); the upper end is inserted in spring (10) back and is passed from pet cock (13) hole, and above-mentioned joint (26) places the bottom in the bellows (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610134686 CN101009172A (en) | 2006-12-12 | 2006-12-12 | Multifunctional protection device of the transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610134686 CN101009172A (en) | 2006-12-12 | 2006-12-12 | Multifunctional protection device of the transformer |
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| Publication Number | Publication Date |
|---|---|
| CN101009172A true CN101009172A (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610134686 Pending CN101009172A (en) | 2006-12-12 | 2006-12-12 | Multifunctional protection device of the transformer |
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| CN (1) | CN101009172A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937218A (en) * | 2012-11-06 | 2013-02-20 | 郭镭 | Multifunctional deflating flange for on-load tap switch of transformer |
| CN103559980A (en) * | 2013-11-15 | 2014-02-05 | 宋红庆 | Comprehensive transformer protection device and system |
| CN104134576A (en) * | 2014-07-16 | 2014-11-05 | 国家电网公司 | Three-pin reed switch type double-circuit trip node gas relay |
| CN108104961A (en) * | 2017-12-18 | 2018-06-01 | 安徽理工大学 | A kind of automobile generating unit tele-control system |
| CN111863522A (en) * | 2020-07-01 | 2020-10-30 | 国网天津市电力公司电力科学研究院 | Electronic gas relay |
-
2006
- 2006-12-12 CN CN 200610134686 patent/CN101009172A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937218A (en) * | 2012-11-06 | 2013-02-20 | 郭镭 | Multifunctional deflating flange for on-load tap switch of transformer |
| CN103559980A (en) * | 2013-11-15 | 2014-02-05 | 宋红庆 | Comprehensive transformer protection device and system |
| CN103559980B (en) * | 2013-11-15 | 2015-12-16 | 宋红庆 | Comprehensive protector of transformer and system thereof |
| CN104134576A (en) * | 2014-07-16 | 2014-11-05 | 国家电网公司 | Three-pin reed switch type double-circuit trip node gas relay |
| CN108104961A (en) * | 2017-12-18 | 2018-06-01 | 安徽理工大学 | A kind of automobile generating unit tele-control system |
| CN111863522A (en) * | 2020-07-01 | 2020-10-30 | 国网天津市电力公司电力科学研究院 | Electronic gas relay |
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