CN201319034Y - Sulphur hexafluoride device indoor gas content online monitoring device - Google Patents
Sulphur hexafluoride device indoor gas content online monitoring device Download PDFInfo
- Publication number
- CN201319034Y CN201319034Y CNU2008201593536U CN200820159353U CN201319034Y CN 201319034 Y CN201319034 Y CN 201319034Y CN U2008201593536 U CNU2008201593536 U CN U2008201593536U CN 200820159353 U CN200820159353 U CN 200820159353U CN 201319034 Y CN201319034 Y CN 201319034Y
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- analyzer
- gas
- gas sample
- gas content
- unit
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- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 title abstract 3
- 238000004458 analytical method Methods 0.000 claims abstract description 3
- 229910018503 SF6 Inorganic materials 0.000 claims description 17
- 230000002000 scavenging effect Effects 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 49
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 231100000566 intoxication Toxicity 0.000 description 1
- 230000035987 intoxication Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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Abstract
The utility model discloses a sulphur hexafluoride device indoor gas content online monitoring device, which comprises an embedded industrial computer, an SF[6] analyzer, an O[2] analyzer, a display unit, a main gas extracting pump and a gas sample collection unit; the gas sample collection unit arranged on a monitoring area after passing the main gas extracting pump is respectively connected with the O[2] analyzer and the SF[6] analyzer through pipelines; the O[2] analyzer and the SF[6] analyzer convey the signals obtained through analysis to the input terminal of the embedded industrial computer; the output terminal of the embedded industrial computer is connected with the display unit and an acousto-optic and control relay unit; the embedded industrial computer is connected with the gas sample collection unit through a gas sample collection control unit and controls the gas sample collection unit. The sulphur hexafluoride device indoor gas content online monitoring device has the advantages of simple and compact structure, low cost, simple operation, high automation degree, complete function and good reliability.
Description
Technical field
The utility model is mainly concerned with the sulfur hexafluoride apparatus field, refers in particular to gas content on-Line Monitor Device in a kind of sulfur hexafluoride canyon.
Background technology
Sulfur hexafluoride (SF
6) gas is as a kind of new, extremely superior insulation arc-extinguishing medium, more and more be widely used and high voltage electric equipment, as GIS, isolating switch, transformer, cable etc.But SF
6Gas is after operation in equipment, because discharge and High Temperature High Pressure that equipment produces in operational process can cause decomposing gas to become a series of subfluoride (SOF
2, SO
2F
2, S
2F
10O, SO
2, HF, SOC etc.).These subfluoride all are harmful extremely toxic substances, and its aerial permission content is not more than 0.025 μ L/L.When leaking in the air, operation gas will cause personal intoxication accident; Simultaneously, because SF
6The proportion of gas is 6 times of air, easily is deposited on indoor bottom and low-lying place, and the people can cause anoxic to be suffocated because of a large amount of depositions of gas.The personal safety accident that these reasons cause happens occasionally inside and outside electric system.
For example, in the Electric Power Generating Equipment field, power industry standard DL/T639-1997 " sulfur hexafluoride electrical equipment operation, test and maintainer's security protection detailed rules and regulations " makes explicit provisions, wherein the 4.3.2 bar is stipulated: " equipment installation room planted agent has good ventilating system, and ventilation should guarantee that ventilation once in 15min.Suction opeing should be located at indoor bottom ".4.3.3 bar regulation: " SF should be installed in equipment installation room bottom
6Concentration alarm and oxygen measuring apparatus are worked as SF
6Concentration surpasses 1000 μ L/L, the oxygen amount is lower than at 18% o'clock, and instrument should be reported to the police "; " State Grid Corporation of China's electric power safety working regulation " be the 8.5th regulation (2005.3.1): " at SF
6The oxygen measuring apparatus and the SF that can report to the police should install in low level district, power distribution equipment chamber
6Gas leakage alarm instrument also will be installed display in the staff porch.These instruments are answered routine test, guarantee intact ".8.8 bar regulation: " enter SF6 power distribution equipment low level district or cable duct and carry out work, should detect oxygen content (being not less than 18%) and SF earlier
6Whether gas content qualified (less than 1000 μ L/L)." therefore, for guaranteeing the generation of electric power safety production and life casualty accident, at SF
6Indoor installation SF
6-O
2Content warning system and exhausting system are very necessary.
The utility model content
Problem to be solved in the utility model just is: at the technical matters that prior art exists, the utility model provide a kind of simple and compact for structure, with low cost, easy and simple to handle, automaticity is high, function is complete, gas content on-Line Monitor Device in the sulfur hexafluoride canyon of good reliability.
For solving the problems of the technologies described above, the solution that the utility model proposes is: gas content on-Line Monitor Device in a kind of sulfur hexafluoride canyon, it is characterized in that: it comprises built-in industrial control machine, SF
6Analyzer, O
2Analyzer, display unit, main scavenging pump and gas sample acquisition unit, the described gas sample acquisition unit that is installed on the monitored area behind main scavenging pump by pipeline respectively with O
2Analyzer, SF
6Analyzer links to each other, O
2Analyzer, SF
6The signal conveys that analyzer obtains analysis arrives the input end of built-in industrial control machine, the output terminal of built-in industrial control machine links to each other with display unit, acousto-optic monitoring and pilot relay unit, and built-in industrial control machine links to each other with the gas sample acquisition unit by the gas sample acquisition control module and it is controlled.
Described SF
6Analyzer links to each other with an auxiliary gas diluter, and the auxiliary gas diluter is provided with the air intake opening that is communicated with outside air.
The pipeline of described main scavenging pump output terminal is provided with the total flow meter, described total flow meter and SF
6Pipeline between the analyzer is provided with air meter.
The output terminal of described built-in industrial control machine links to each other with remote supervisory and control(ling) equipment by interface unit.
Described interface unit is R232 interface or 485 interfaces.
Described gas sample acquisition unit is made up of plural solenoid valve.
Compared with prior art, advantage of the present utility model just is: the gas content on-Line Monitor Device has simple and compact for structure, with low cost, easy and simple to handle, advantages such as automaticity is high, function is complete, good reliability in the utility model sulfur hexafluoride canyon; The utility model can be applicable to the indoor gas content detection, the warning that exceeds standard, control functions such as exhaust equipment, teletransmission demonstration automatically, and design concept is reliable, and chassis arrangement is reasonable, can satisfy the requirement of gas content security monitoring in the sulfur hexafluoride canyon.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a workflow synoptic diagram of the present utility model.
Marginal data
1, built-in industrial control machine 2, SF
6Analyzer
3, auxiliary gas diluter 4, air meter
5, O
2Analyzer 6, display unit
7, interface unit 8, acousto-optic monitoring and pilot relay unit
9, gas sample acquisition control module 10, main scavenging pump
11, gas sample acquisition unit 12, total flow meter
Embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details.
As shown in Figure 1, gas content on-Line Monitor Device in the sulfur hexafluoride canyon of the present utility model, it comprises built-in industrial control machine 1, SF
6Analyzer 2, O
2Analyzer 5, display unit 6, main scavenging pump 10 and gas sample acquisition unit 11, the described gas sample acquisition unit 11 that is installed on the monitored area behind main scavenging pump 10 by pipeline respectively with O
2Analyzer 5, SF
6Analyzer 2 links to each other O
2Analyzer 5, SF
6Analyzer 2 will be analyzed the input end that the signal conveys that obtains arrives built-in industrial control machine 1, O according to the gas sample that sampled point is collected
2Analyzer 5 and SF
6Analyzer 2 can adopt the analyzer that carries micro-suction pump.The output terminal of built-in industrial control machine 1 links to each other with display unit 6, acousto-optic monitoring and pilot relay unit 8, built-in industrial control machine 1 links to each other with gas sample acquisition unit 11 by gas sample acquisition control module 9 and it is controlled, and gas sample acquisition unit 11 is made up of plural solenoid valve.In the present embodiment, SF
6Analyzer 2 links to each other with an auxiliary gas diluter 3, and auxiliary gas diluter 3 is provided with the air intake opening that is communicated with outside air.The pipeline of main scavenging pump 10 output terminals is provided with total flow meter 12, described total flow meter 12 and SF
6Pipeline between the analyzer 2 is provided with air meter 4.The output terminal of 4 built-in industrial control machines 1 links to each other with remote supervisory and control(ling) equipment by interface unit 7, and interface unit 7 is R232 interface or 485 interfaces.Its testing process is: power-on, main scavenging pump 10 is sent into O with the gas of first check point through total flow meter 12
2Analyzer 5 and SF
6Analyzer 2 is analyzed the back emptying.After detection signal was sent into built-in industrial control machine 1 analytical calculation, its data one tunnel were delivered to display unit 6 to show and the warning that exceeds standard, and another road is delivered to the remote computer storage and printed.Finish one-time detection thus.When discovering device has gas to leak, can utilize auxiliary gas diluter 3 quantitatively to stop leakage in the roof.
Referring to Fig. 2, its detailed flow process is: utilize the solenoid valve of built-in industrial control machine 1 control gas sample acquisition unit 11 to drive valve in order, make main scavenging pump 10 at a distance gas take out and deliver to each analytic unit and go to analyze, detect the SF in the corresponding gas of measuring the place
6-O
2Content.Each road stopple coupon can extend 100-200 rice with 4-6mm plastics or metal tube and take a sample at a distance.The main scavenging pump 10 of big flow can make sample gas deliver to O rapidly
2Analyzer 5 and SF
6In the analyzer 2, owing in the analyzer micro-suction pump is housed, therefore unnecessary sample gas will be drained.As not detecting SF at this passage
6Gas or O
2Content, then enter next passage automatically, with the raising polling rate, as it is unusual to detect a certain road, 1 of built-in industrial control machine automatically prolongs detection time until making correct measurement and warning, and built-in industrial control machine 1 can link to each other with all types of panalarm by acousto-optic monitoring and pilot relay unit 8.Be to guarantee the accuracy of systematic survey, interrupt once sampling and change into and extract the pure air calibration of returning to zero automatically every day during design.Be provided with auxiliary gas diluter 3 in the device of the present utility model,, it can be expanded to SF because this device has higher detection sensitivity
6The gasometry instrument of stopping leakage in the roof.May be when quantitatively stopping leakage in the roof because SF in the leakage rate volume that causes greatly being wrapped up
6Gas concentration is excessive, therefore the Device Testing scope must be become corresponding big.Auxiliary gas diluter 3 is graded by solenoid valve, flow stabilizing valve, flowmeter, control part and forms, and can also be the corresponding monitoring range that increases the utility model device with 10 times of sample gas dilutions.The utility model can show this indoor SF
6The gas concentration scope: 0～1500 μ L/L and oxygen concentration 0～25%, this displayed value decapacitation outside the place of entering of this chamber has, also should teletransmission to Control Room; Can also be according to indoor SF
6The automatic start-stop air exhauster of gas concentration, and can timing start-stop exhaust equipment.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1, gas content on-Line Monitor Device in a kind of sulfur hexafluoride canyon, it is characterized in that: it comprises built-in industrial control machine (1), SF
6Analyzer (2), O
2Analyzer (5), display unit (6), main scavenging pump (10) and gas sample acquisition unit (11), the described gas sample acquisition unit (11) that is installed on the monitored area behind main scavenging pump (10) by pipeline respectively with O
2Analyzer (5), SF
6Analyzer (2) links to each other, O
2Analyzer (5), SF
6The signal conveys that analyzer (2) obtains analysis arrives the input end of built-in industrial control machine (1), the output terminal of built-in industrial control machine (1) monitors with display unit (6), acousto-optic and pilot relay unit (8) link to each other, and built-in industrial control machine (1) links to each other with gas sample acquisition unit (11) by gas sample acquisition control module (9) and it is controlled.
2, gas content on-Line Monitor Device in the sulfur hexafluoride canyon according to claim 1 is characterized in that: described SF
6Analyzer (2) links to each other with an auxiliary gas diluter (3), and auxiliary gas diluter (3) is provided with the air intake opening that is communicated with outside air.
3, gas content on-Line Monitor Device in the sulfur hexafluoride canyon according to claim 2, it is characterized in that: the pipeline of described main scavenging pump (10) output terminal is provided with total flow meter (12), described total flow meter (12) and SF
6Pipeline between the analyzer (2) is provided with air meter (4).
4, according to gas content on-Line Monitor Device in claim 1 or the 2 or 3 described sulfur hexafluoride canyons, it is characterized in that: the output terminal of described built-in industrial control machine (1) links to each other with remote supervisory and control(ling) equipment by interface unit (7).
5, gas content on-Line Monitor Device in the sulfur hexafluoride canyon according to claim 4, it is characterized in that: described interface unit (7) is R232 interface or 485 interfaces.
6, according to gas content on-Line Monitor Device in claim 1 or the 2 or 3 described sulfur hexafluoride canyons, it is characterized in that: described gas sample acquisition unit (11) is made up of plural solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201593536U CN201319034Y (en) | 2008-11-21 | 2008-11-21 | Sulphur hexafluoride device indoor gas content online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201593536U CN201319034Y (en) | 2008-11-21 | 2008-11-21 | Sulphur hexafluoride device indoor gas content online monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319034Y true CN201319034Y (en) | 2009-09-30 |
Family
ID=41197798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201593536U Expired - Lifetime CN201319034Y (en) | 2008-11-21 | 2008-11-21 | Sulphur hexafluoride device indoor gas content online monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319034Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513637A (en) * | 2013-09-30 | 2014-01-15 | 广州供电局有限公司 | Laboratory environment safety control system |
| CN106018710A (en) * | 2016-07-28 | 2016-10-12 | 中国人民解放军后勤工程学院 | Online detection device for oil vapor concentration |
| CN113552287A (en) * | 2021-06-15 | 2021-10-26 | 国网河南省电力公司宝丰县供电公司 | Sulfur hexafluoride detection device and method |
-
2008
- 2008-11-21 CN CNU2008201593536U patent/CN201319034Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513637A (en) * | 2013-09-30 | 2014-01-15 | 广州供电局有限公司 | Laboratory environment safety control system |
| CN103513637B (en) * | 2013-09-30 | 2016-05-25 | 广州供电局有限公司 | Laboratory environment safety control system |
| CN106018710A (en) * | 2016-07-28 | 2016-10-12 | 中国人民解放军后勤工程学院 | Online detection device for oil vapor concentration |
| CN113552287A (en) * | 2021-06-15 | 2021-10-26 | 国网河南省电力公司宝丰县供电公司 | Sulfur hexafluoride detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HU'NAN XIANGCHAO ELECTRIC POWER TECHNOLOGY CO., LT Free format text: FORMER OWNER: HU'NAN XIANGCHAO ELECTRIC POWER TECHNOLOGY CO., LTD. Effective date: 20121207 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121207 Address after: The new Shaoguan East Road 410004 in Hunan province Changsha Tianxin District No. 339 Patentee after: EHV Administration Bureau of Hunan Electric Power Company Patentee after: Hunan Xiangchao Electric Power Technology Co., Ltd. Patentee after: State Grid Corporation of China Address before: 410004 Hunan province Changsha new Shao East Hunan super Garden Patentee before: EHV Administration Bureau of Hunan Electric Power Company Patentee before: Hunan Xiangchao Electric Power Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |