CN202256292U - Calibration device special for sulfur hexafluoride (SF6) concentration alarm - Google Patents
Calibration device special for sulfur hexafluoride (SF6) concentration alarm Download PDFInfo
- Publication number
- CN202256292U CN202256292U CN2011203233043U CN201120323304U CN202256292U CN 202256292 U CN202256292 U CN 202256292U CN 2011203233043 U CN2011203233043 U CN 2011203233043U CN 201120323304 U CN201120323304 U CN 201120323304U CN 202256292 U CN202256292 U CN 202256292U
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- CN
- China
- Prior art keywords
- gas
- source
- quantity tube
- connects
- distributing chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910018503 SF6 Inorganic materials 0.000 title abstract 8
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title abstract 8
- 229960000909 sulfur hexafluoride Drugs 0.000 title abstract 8
- 238000009434 installation Methods 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000009510 drug design Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 65
- 230000000630 rising effect Effects 0.000 description 2
- 208000032750 Device leakage Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a calibration device special for a sulfur hexafluoride (SF6) concentration alarm. The calibration device comprises a dinitrogen (N2) source, a SF6 source, a six way valve, 45ml quantitative tubes, 5ml quantitative tubes, check valves, a gas distribution chamber and a fan, wherein the N2 source is connected with one 45ml quantitative tube and one 5ml quantitative tube through the six way valve; the two quantitative tubes connected with the N2 source are connected with the gas distribution chamber through a connecting pipe; the SF6 source is connected with the other 45ml quantitative tube and the other 5ml quantitative tube through the six way valve; and the two quantitative tubes connected with the SF6 source are connected with the gas distribution chamber through a connecting pipe; the fan is arranged in the gas distribution chamber; and the check valves are arranged on the connecting pipes connected with the gas distribution chamber. The calibration device special for the SF6 concentration alarm has a simple structure, a scientific and rational design, relatively lower cost, using safety and reliability, and relatively higher accuracy; and a gas at normal concentration can be prepared conveniently.
Description
Technical field
The utility model belongs to the calibrating installation field, especially a kind of SF that is exclusively used in
6The calibrating installation of gas concentration alarm.
Background technology
SF
6The gas concentration alarm is applied in the indoor online warning system of electric system power distribution equipment, is installed in the indoor SF of power distribution equipment
6The convenient monitoring of concentration alarm power device leakage is to airborne SF
6Gas according to the regulation in " State Grid Corporation of China's electric power safety working regulation ", needs regularly to SF
6The concentration warning device carries out calibration experiments work, generally directly uses SF at present
6Calibrating gas is calibrated, but this mode is because SF
6Gas density is 5 times of air, when in the distribution process, adopting calibrating gas or flowrate proportioning mode, is easy to cause the inner SF of detection air chamber
6The gas aggradation problem causes SF
6The gas actual concentration is higher more than 5 times, and also is not exclusively used in SF on the market
6Gas concentration alarm calibrating installation.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, and a kind of SF of being exclusively used in is provided
6The calibrating installation of gas concentration alarm, this calibrating installation is simple in structure, and design science is reasonable, makes things convenient for the configuration standard concentration gases, and cost is lower, accurately and reliably.
The utility model solves its technical matters and realizes through following technical scheme:
A kind of SF that is exclusively used in
6The calibrating installation of gas concentration alarm, its calibrating installation comprises N
2Source of the gas, SF
6Source of the gas, six-way valve, 45ml quantity tube, 5ml quantity tube, reverse checkvalve, gas distributing chamber and fan, N
2Source of the gas connects a 45ml quantity tube and a 5ml quantity tube respectively through six-way valve, these two and N
2The quantity tube that source of the gas connects connects gas distributing chamber, SF through connecting pipe
6Source of the gas connects another 45ml quantity tube and another 5ml quantity tube respectively through six-way valve, these two and SF
6The quantity tube that source of the gas connects connects gas distributing chamber through connecting pipe, and fan is installed in the gas distributing chamber, and is separately installed with reverse checkvalve on the connecting pipe that gas distributing chamber is connected.
And described fan connects external power source.
Advantage of the utility model and beneficial effect are:
1, originally is exclusively used in SF
6The calibrating installation of gas concentration alarm comprises N2 source of the gas, SF
6Source of the gas, six-way valve, 45ml quantity tube, 5ml quantity tube, reverse checkvalve, gas distributing chamber and fan; The N2 source of the gas connects a 45ml quantity tube and a 5ml quantity tube respectively through six-way valve; These two quantity tubes that are connected with the N2 source of the gas connect gas distributing chamber, SF through connecting pipe
6Source of the gas connects another 45ml quantity tube and another 5ml quantity tube respectively through six-way valve, these two and SF
6The quantity tube that source of the gas connects connects gas distributing chamber through connecting pipe; Fan is installed in the gas distributing chamber, and is separately installed with reverse checkvalve on the connecting pipe that gas distributing chamber is connected, gas concentration that this calibrating installation is prepared is accurate; The change rate of concentration that leaves standstill after 24 hours is no more than 0.5%; Gas distributing chamber's concentration good uniformity, there are not concentration difference in top, bottom, and be safe and reliable.
2, the utility model is simple in structure, and design science is reasonable, makes things convenient for the configuration standard concentration gases, and cost is lower, and is safe and reliable, be a kind of degree of accuracy higher be exclusively used in SF
6The calibrating installation of gas concentration alarm.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Through specific embodiment the utility model is done further to detail below, following examples are descriptive, are not determinate, can not limit the protection domain of the utility model with this.
A kind of SF that is exclusively used in
6The calibrating installation of gas concentration alarm, its calibrating installation comprises N
2Source of the gas 1, SF
6Source of the gas 2, six-way valve 3,45ml quantity tube 4,5ml quantity tube 5, reverse checkvalve 6, gas distributing chamber 8 and fan 9, N
2Source of the gas, SF
6Source of the gas all adopts 99.99% high-purity gas, and gas distributing chamber's volume is 50L, considers indoor SF
6Concentration warning limit value is 1000 μ L/L, and the design quantity tube is divided into two kinds of 45mL and 5mL, and 45mL is basic value, and 5mL progressively injects to consider SF as rising value
6Concentration alarm warning limit value, N
2Source of the gas connects a 45ml quantity tube and a 5ml quantity tube respectively through six-way valve, these two and N
2The quantity tube that source of the gas connects connects gas distributing chamber, SF through connecting pipe 7
6Source of the gas connects another 45ml quantity tube and another 5ml quantity tube respectively through six-way valve, these two and SF
6The quantity tube that source of the gas connects connects gas distributing chamber through connecting pipe, and fan is installed in the gas distributing chamber, and is separately installed with reverse checkvalve on the connecting pipe that gas distributing chamber is connected.Make the gas unidirectional circulation, avoid gas backstreaming in the gas distributing chamber.Fan can connect external power source 10, and this external power source adopts lithium ion battery.When injecting SF
6The back is opened fan swicth and is stirred, and makes gas distributing chamber obtain homogeneous concentration standard gas.
This calibrating installation is with 45mL SF
6Inject gas distributing chamber, SF in the gas distributing chamber
6Theoretical concentration is 900 μ L/L, and can begin concentration alarm state is considered this moment.With 5mL SF
6Inject gas distributing chamber, can realize SF in the gas distributing chamber
6Concentration is the purpose of rising quantitatively, switches through the six-way valve state and can realize SF in the gas distributing chamber
6Quantitatively increasing progressively of concentration.
Claims (2)
1. one kind is exclusively used in SF
6The calibrating installation of gas concentration alarm is characterized in that: this calibrating installation comprises N
2Source of the gas, SF
6Source of the gas, six-way valve, 45ml quantity tube, 5ml quantity tube, reverse checkvalve, gas distributing chamber and fan, N
2Source of the gas connects a 45ml quantity tube and a 5ml quantity tube respectively through six-way valve, these two and N
2The quantity tube that source of the gas connects connects gas distributing chamber, SF through connecting pipe
6Source of the gas connects another 45ml quantity tube and another 5ml quantity tube respectively through six-way valve, these two and SF
6The quantity tube that source of the gas connects connects gas distributing chamber through connecting pipe, and fan is installed in the gas distributing chamber, and is separately installed with reverse checkvalve on the connecting pipe that gas distributing chamber is connected.
2. the SF that is exclusively used in according to claim 1
6The calibrating installation of gas concentration alarm is characterized in that: described fan connects external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203233043U CN202256292U (en) | 2011-08-31 | 2011-08-31 | Calibration device special for sulfur hexafluoride (SF6) concentration alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203233043U CN202256292U (en) | 2011-08-31 | 2011-08-31 | Calibration device special for sulfur hexafluoride (SF6) concentration alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256292U true CN202256292U (en) | 2012-05-30 |
Family
ID=46117513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203233043U Expired - Fee Related CN202256292U (en) | 2011-08-31 | 2011-08-31 | Calibration device special for sulfur hexafluoride (SF6) concentration alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256292U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558346A (en) * | 2013-11-15 | 2014-02-05 | 国家电网公司 | Device for checking sulfur hexafluoride leakage alarm apparatus |
| CN103700234A (en) * | 2013-12-27 | 2014-04-02 | 新余钢铁集团有限公司 | Rapid gas switching device for use in calibration of alarm apparatus |
| CN103940965A (en) * | 2014-04-28 | 2014-07-23 | 广东电网公司电力科学研究院 | Device and method for detecting gas transmitting equipment |
| CN107091905A (en) * | 2017-06-30 | 2017-08-25 | 广东电网有限责任公司电力科学研究院 | A kind of recharging type sulfur hexafluoride on-line detector sampling degree of accuracy calibration method |
-
2011
- 2011-08-31 CN CN2011203233043U patent/CN202256292U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558346A (en) * | 2013-11-15 | 2014-02-05 | 国家电网公司 | Device for checking sulfur hexafluoride leakage alarm apparatus |
| CN103700234A (en) * | 2013-12-27 | 2014-04-02 | 新余钢铁集团有限公司 | Rapid gas switching device for use in calibration of alarm apparatus |
| CN103940965A (en) * | 2014-04-28 | 2014-07-23 | 广东电网公司电力科学研究院 | Device and method for detecting gas transmitting equipment |
| CN107091905A (en) * | 2017-06-30 | 2017-08-25 | 广东电网有限责任公司电力科学研究院 | A kind of recharging type sulfur hexafluoride on-line detector sampling degree of accuracy calibration 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: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER CORP. Effective date: 20130521 Owner name: TIANJIN ELECTRIC POWER CORP. Effective date: 20130521 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300010 HEBEI, TIANJIN TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130521 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Tianjin Electric Power Corp. Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: Tianjin Electric Power Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |