CN104198629A - Automatic carrier gas switching device for transformer oil chromatography monitoring system - Google Patents
Automatic carrier gas switching device for transformer oil chromatography monitoring system Download PDFInfo
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- CN104198629A CN104198629A CN201410466118.3A CN201410466118A CN104198629A CN 104198629 A CN104198629 A CN 104198629A CN 201410466118 A CN201410466118 A CN 201410466118A CN 104198629 A CN104198629 A CN 104198629A
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Abstract
The invention discloses an automatic carrier gas switching device for a transformer oil chromatography monitoring system. The device comprises high-pressure carrier gas I, a carrier gas pressure monitoring module I, a flow path control module I, high-pressure carrier gas II, a carrier gas pressure monitoring module II, a flow path control module II and a transformer chromatography on-line monitoring system. The device has the characteristics that: 1, the automatic carrier gas switching device can automatically switch carrier gas supply flow paths, prolongs carrier gas supply time, increases sampling frequency of single maintenance of the transformer chromatography on-line monitoring system and reduces maintenance workload of a user, and 2, connecting pipe joints employ special double compression hard sealing connection to guarantee no leakage.
Description
Technical field
The invention belongs to transformer station's on-line monitoring field.Specifically a kind of carrier gas automatic switching control equipment for transformer oil chromatographic monitoring system.
Background technology
Transformer chromatography online monitoring system can be quantitatively, dissolve failure gas in the oil of the oil-immersed type power high-tension apparatus such as on-line monitoring transformer automatically and quickly content and rate of growth thereof, and by fault diagnosis expert system early prediction equipment failure hidden danger information, avoid equipment breakdown, reduce heavy losses, improve equipment reliability of operation.This system can realize online long-range Dissolved Gases in Insulating Oil analysis for power transformer reliable and stable solution is provided, and is the powerful guarantee that POWER SYSTEM STATE inspection and repair system is implemented.
On market, like product carries out on-line chromatograph monitor to dissolved gas in transformer insulation oil, belong to gas chromatography principle, all need to separate as participating in gas composition with arriving carrier gas, carrier gas is supplied with the pattern of gas cylinder, every monitoring once, just needs to consume a certain amount of carrier gas.The monitoring number of times of current one bottle of carrier gas (with 15 liters, 10MPa with example) is generally about 450 times, and the periodic replacement of carrier gas has just become steady job, if monitoring periods is frequent, and more the changing jobs and just increased workload to user of carrier gas.
Summary of the invention
The object of this invention is to provide a kind of carrier gas automatic switching control equipment for transformer oil chromatographic monitoring system.This device utilizes carrier gas automatic switching control equipment, the mode of two bottles of carrier gas air feed, the service life of increase carrier gas, the sampling number of the full maintenance of raising transformer chromatography online monitoring system, minimizing user's maintenance workload.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
1. for a carrier gas automatic switching control equipment for transformer chromatogram monitoring system, formed by high pressure carrier gas I, nebulizer gas pressure monitoring module I, stream control module I, high pressure carrier gas II, nebulizer gas pressure monitoring module II, stream control module II and transformer chromatography online monitoring system.
Described high pressure carrier gas I and high pressure carrier gas II are the bottled high-pure gas of pressure 10MPa.Described nebulizer gas pressure monitoring module I and nebulizer gas pressure monitoring module II are made up of gas cylinder reduction valve, storage pressure monitoring modular respectively, the pressure of monitoring gas cylinder inner high voltage side, and lower than pressure set points, device is reported to the police.
Between described high pressure carrier gas I, nebulizer gas pressure monitoring module I and stream control module I, connect successively.Between described high pressure carrier gas II, nebulizer gas pressure monitoring module II, stream control module II, connect successively.Stream control module I is connected with transformer chromatography online monitoring system afterwards with stream control module II is parallel with one another.
Each parts connecting pipe joint adopts special double card cover to be firmly tightly connected.
2. be to utilize the high pressure carrier gas pressure monitoring for the application of the carrier gas automatic switching control equipment of transformer chromatogram monitoring system, the air feed stream of automatic switchover carrier gas, makes two bottles of high pressure carrier gas air feed successively, and concrete operations are as follows:
1) pressure that nebulizer gas pressure monitoring module I monitors high pressure carrier gas I is higher than the pressure alarm value of setting, and stream control module I is just opened, and high pressure carrier gas I air feed is to transformer chromatography online monitoring system.Now stream control module II is closed.
2) when nebulizer gas pressure monitoring module I monitors the low pressure alarm value of setting of crossing of high pressure carrier gas I pressure, stream control module I is just closed.Nebulizer gas pressure monitoring module II monitors the pressure alarm value that high pressure carrier gas II pressure exceeds setting, and stream control module II is just opened, and high pressure carrier gas II air feed is to transformer chromatography online monitoring system.
3) when nebulizer gas pressure monitoring module I monitors the low pressure alarm value of setting of crossing of carrier gas I pressure, stream control module I is closed.When nebulizer gas pressure monitoring module II monitors low pressure alarm value 1 MPa of crossing setting of high pressure carrier gas II pressure, system prompt carrier gas undervoltage warning, reminding user to replace carrier gas.When nebulizer gas pressure monitoring module II monitors low pressure alarm value 0.5 MPa of setting of crossing of high pressure carrier gas II pressure, stream control module II is closed, and system prompt carrier gas is reported to the police, and system is stopped transport.
Feature of the present invention:
1. the carrier gas automatic switching control equipment air feed stream of carrier gas that can automatically switch, increases the service life of carrier gas, improves the sampling number of the full maintenance of transformer chromatography online monitoring system, reduces user's maintenance workload.
2. each parts connecting pipe joint adopts special double card cover to be firmly tightly connected, and guarantees without revealing.
Brief description of the drawings
Fig. 1 is a kind of carrier gas automatic switching control equipment structural representation for transformer chromatogram monitoring system of the present invention.
In figure, high pressure carrier gas I 1, nebulizer gas pressure monitoring module I 2, stream control module I 3, high pressure carrier gas II 4, nebulizer gas pressure monitoring module II 5, stream control module II 6, transformer chromatography online monitoring system 7.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described with concrete enforcement.
As shown in Figure 1, the present invention is made up of high pressure carrier gas I 1, nebulizer gas pressure monitoring module I 2, stream control module I 3, high pressure carrier gas II 4, nebulizer gas pressure monitoring module II 5, stream control module II 6 and transformer chromatography online monitoring system 7 a kind of carrier gas automatic switching control equipment structure for transformer chromatogram monitoring system of the present invention.
Described high pressure carrier gas I 1 and high pressure carrier gas II 4 are the bottled high-pure gas of pressure 10MPa.Described nebulizer gas pressure monitoring module I 2 and nebulizer gas pressure monitoring module II 5 are made up of gas cylinder reduction valve, storage pressure monitoring modular respectively, the pressure of monitoring gas cylinder inner high voltage side, and lower than pressure set points, device is reported to the police.
Between described high pressure carrier gas I 1, nebulizer gas pressure monitoring module I 2 and stream control module I 3, connect successively.Between described high pressure carrier gas II 4, nebulizer gas pressure monitoring module II 5, stream control module II 6, connect successively.Stream control module I 3 is connected with transformer chromatography online monitoring system 7 afterwards with stream control module II 6 is parallel with one another.
Each parts connecting pipe joint adopts special double card cover to be firmly tightly connected.
When the present invention specifically implements:
The present invention is to utilize the high pressure carrier gas pressure monitoring while enforcement for the carrier gas automatic switching control equipment of transformer chromatogram monitoring system, and the air feed stream of automatic switchover carrier gas, makes two bottles of high pressure carrier gas air feed successively, and concrete operations are as follows:
1) pressure that nebulizer gas pressure monitoring module I 2 monitors high pressure carrier gas I 1 is higher than the pressure alarm value of setting, and stream control module I 3 is just opened, and high pressure carrier gas I 1 air feed is to transformer chromatography online monitoring system 7.Now stream control module II 6 is closed.
2) when nebulizer gas pressure monitoring module I 2 monitors the low pressure alarm value of setting of crossing of high pressure carrier gas I 1 pressure, stream control module I 3 is just closed.Nebulizer gas pressure monitoring module II 5 monitors the pressure alarm value that high pressure carrier gas II 4 pressure exceed setting, and stream control module II 6 is just opened, and high pressure carrier gas II 4 air feed are to transformer chromatography online monitoring system 7.
3) when nebulizer gas pressure monitoring module I 2 monitors the low pressure alarm value of setting of crossing of carrier gas I 1 pressure, stream control module I 3 is closed.When nebulizer gas pressure monitoring module II 5 monitors low pressure alarm value 1 MPa of crossing setting of high pressure carrier gas II 4 pressure, system prompt carrier gas undervoltage warning, reminding user to replace carrier gas.When nebulizer gas pressure monitoring module II 5 monitors low pressure alarm value 0.2 MPa of setting of crossing of high pressure carrier gas II 4 pressure, stream control module II 6 is closed, and system prompt carrier gas is reported to the police, and system is stopped transport.
Claims (2)
1. the carrier gas automatic switching control equipment for transformer chromatogram monitoring system, it is characterized in that, device is made up of high pressure carrier gas I (1), nebulizer gas pressure monitoring module I (2), stream control module I (3), high pressure carrier gas II (4), nebulizer gas pressure monitoring module II (5), stream control module II (6) and transformer chromatography online monitoring system (7);
Described high pressure carrier gas I (1) and high pressure carrier gas II (4) are the bottled high-pure gas of pressure 10MPa; Described nebulizer gas pressure monitoring module I (2) and nebulizer gas pressure monitoring module II (5) are made up of gas cylinder reduction valve, storage pressure monitoring modular respectively, the pressure of monitoring gas cylinder inner high voltage side, and lower than pressure set points, device is reported to the police;
Between described high pressure carrier gas I (1), nebulizer gas pressure monitoring module I (2) and stream control module I (3), connect successively, between described high pressure carrier gas II (4), nebulizer gas pressure monitoring module II (5), stream control module II (6), connect successively; Stream control module I (3) is connected with transformer chromatography online monitoring system (7) afterwards with stream control module II (6) is parallel with one another, and each parts connecting pipe joint adopts special double card cover to be firmly tightly connected.
2. the application of the carrier gas automatic switching control equipment for transformer chromatogram monitoring system as claimed in claim 1, it is characterized in that, utilize the high pressure carrier gas pressure monitoring, the air feed stream of automatic switchover carrier gas, make two bottles of high pressure carrier gas air feed successively, concrete operations are as follows:
1) pressure that nebulizer gas pressure monitoring module I (2) monitors high pressure carrier gas I (1) is higher than the pressure alarm value of setting, stream control module I (3) is just opened, high pressure carrier gas I (1) air feed is to transformer chromatography online monitoring system (7), and now stream control module II (6) is closed;
2) when nebulizer gas pressure monitoring module I (2) monitors the low pressure alarm value of setting of crossing of high pressure carrier gas I (1) pressure, stream control module I (3) is just closed; Nebulizer gas pressure monitoring module II (5) monitors the pressure alarm value that high pressure carrier gas II (4) pressure exceeds setting, stream control module II (6) is just opened, and high pressure carrier gas II (4) air feed is to transformer chromatography online monitoring system (7).
3) when nebulizer gas pressure monitoring module I (2) monitors the low pressure alarm value of setting of crossing of carrier gas I (1) pressure, stream control module I (3) is closed; When nebulizer gas pressure monitoring module II (5) monitors low pressure alarm value 1 MPa of crossing setting of high pressure carrier gas II (4) pressure, system prompt carrier gas undervoltage warning, reminding user to replace carrier gas; When nebulizer gas pressure monitoring module II (5) monitors low pressure alarm value 0.5 MPa of setting of crossing of high pressure carrier gas II (4) pressure, stream control module II (6) is closed, and system prompt carrier gas is reported to the police, and system is stopped transport.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466118.3A CN104198629A (en) | 2014-09-12 | 2014-09-12 | Automatic carrier gas switching device for transformer oil chromatography monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466118.3A CN104198629A (en) | 2014-09-12 | 2014-09-12 | Automatic carrier gas switching device for transformer oil chromatography monitoring system |
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| CN104198629A true CN104198629A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410466118.3A Pending CN104198629A (en) | 2014-09-12 | 2014-09-12 | Automatic carrier gas switching device for transformer oil chromatography monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521129A (en) * | 2018-12-10 | 2019-03-26 | 黔西县黔希煤化工投资有限责任公司 | A kind of gas-chromatography carrier gas switching application method |
| CN110925600A (en) * | 2019-11-27 | 2020-03-27 | 国网山东省电力公司临沂供电公司 | Automatic switching system and method for transformer oil chromatography gas cylinders |
| CN112414611A (en) * | 2020-11-26 | 2021-02-26 | 邹莎 | Method and system for monitoring pressure of transformer gas cylinder based on chromatograph |
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| JPH04177162A (en) * | 1990-11-13 | 1992-06-24 | Yamatake Honeywell Co Ltd | Carrier gas flow control apparatus of gas chromatograph |
| JPH07248321A (en) * | 1994-03-11 | 1995-09-26 | Yamatake Honeywell Co Ltd | Gas chromatograph |
| JPH07294504A (en) * | 1994-04-27 | 1995-11-10 | Hitachi Ltd | Gas chromatograph and carrier gas flow rate control method thereof |
| CN1817377A (en) * | 2005-02-07 | 2006-08-16 | 中国人民解放军军事医学科学院卫生装备研究所 | Multi-path medical oxygen supplying system |
| CN201508324U (en) * | 2009-09-01 | 2010-06-16 | 北京普析通用仪器有限责任公司 | Integrated gas control device |
| CN202735312U (en) * | 2012-07-05 | 2013-02-13 | 大连世有电力科技有限公司 | Gas carrying bottle automatic switching control equipment for on-line monitoring system of gas in transformer oil |
| CN204116297U (en) * | 2014-09-12 | 2015-01-21 | 广西电网公司电力科学研究院 | Gas in Oil of Transformer on-line monitoring system carrier gas device for intelligently switching |
-
2014
- 2014-09-12 CN CN201410466118.3A patent/CN104198629A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04177162A (en) * | 1990-11-13 | 1992-06-24 | Yamatake Honeywell Co Ltd | Carrier gas flow control apparatus of gas chromatograph |
| JPH07248321A (en) * | 1994-03-11 | 1995-09-26 | Yamatake Honeywell Co Ltd | Gas chromatograph |
| JPH07294504A (en) * | 1994-04-27 | 1995-11-10 | Hitachi Ltd | Gas chromatograph and carrier gas flow rate control method thereof |
| CN1817377A (en) * | 2005-02-07 | 2006-08-16 | 中国人民解放军军事医学科学院卫生装备研究所 | Multi-path medical oxygen supplying system |
| CN201508324U (en) * | 2009-09-01 | 2010-06-16 | 北京普析通用仪器有限责任公司 | Integrated gas control device |
| CN202735312U (en) * | 2012-07-05 | 2013-02-13 | 大连世有电力科技有限公司 | Gas carrying bottle automatic switching control equipment for on-line monitoring system of gas in transformer oil |
| CN204116297U (en) * | 2014-09-12 | 2015-01-21 | 广西电网公司电力科学研究院 | Gas in Oil of Transformer on-line monitoring system carrier gas device for intelligently switching |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521129A (en) * | 2018-12-10 | 2019-03-26 | 黔西县黔希煤化工投资有限责任公司 | A kind of gas-chromatography carrier gas switching application method |
| CN110925600A (en) * | 2019-11-27 | 2020-03-27 | 国网山东省电力公司临沂供电公司 | Automatic switching system and method for transformer oil chromatography gas cylinders |
| CN112414611A (en) * | 2020-11-26 | 2021-02-26 | 邹莎 | Method and system for monitoring pressure of transformer gas cylinder based on chromatograph |
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Application publication date: 20141210 |