CN203606337U - Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter - Google Patents
Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter Download PDFInfo
- Publication number
- CN203606337U CN203606337U CN201320612395.1U CN201320612395U CN203606337U CN 203606337 U CN203606337 U CN 203606337U CN 201320612395 U CN201320612395 U CN 201320612395U CN 203606337 U CN203606337 U CN 203606337U
- Authority
- CN
- China
- Prior art keywords
- gas
- sulfur hexafluoride
- way
- evaluated
- gas outlet
- Prior art date
- 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
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a rapid laboratory verifying device of a sulfur hexafluoride gas leakage monitoring transmitter. The device comprises a standard gas generation device, a two-position three-way electromagnetic valve, a first three-way tube, a verifying box for instruments to be evaluated and a pressure difference sensor, wherein a gas outlet of the standard gas generation device is connected with a gas inlet of the two-position three-way electromagnetic valve; one gas outlet of the two-position three-way electromagnetic valve and the gas inlet of the verifying box for instruments to be evaluated are respectively connected with two ports of the first three-way tube; another port of the first three-way tube is connected with the pressure difference sensor. The device can be used for evaluating whether the working of the transmitter is reliable, can be widely applied to various power testing research institutions and laboratories of a power system and production factories of sulfur hexafluoride gas leakage monitoring instruments, and has important significance for ensuring the operation security of sulfur hexafluoride electric equipment, preventing pollution and damage to the environment caused by leakage of sulfur hexafluoride high pressure switches, and maintaining life security of overhaul personnel.
Description
Technical field
The utility model belongs to instrument technical field, particularly a kind of laboratory quick checking device of sulfur hexafluoride gas leakage monitoring transmitter.
Background technology
Sulfur hexafluoride gas, with insulation and the arc extinction performance of its excellence, is widely used on the GIS equipment of urban distribution network transformer station.But, because the factor such as difference and material aging that is subject to the quality such as manufacture, installation affects, it is a general phenomenon that sulfur hexafluoride electrical equipment occurs to leak, and the sulfur hexafluoride gas leaking out and analyte thereof can gather toward indoor low layer space, cause local anoxic and band poison, formed serious danger to entering indoor staff's life security.
The relevant criterion of China and behavior rules clearly propose the leakage monitoring of sulfur hexafluoride gas.According to " electric industry safety regulations ", DL/T 639-1997 " sulfur hexafluoride electrical equipment operation, test and maintainer's security protection detailed rules and regulations " and the relevant regulations such as GB12358-2006 " requirement of operation site surrounding gas detecting and alarming instrument current techique ", in room sulfur hexafluoride electrical equipment workplace, online sulfur hexafluoride-oxygen leakage monitoring alarm instrument must be installed, the content of sulfur hexafluoride gas and oxygen in Real-Time Monitoring environment, in the time of sulfur hexafluoride gas content overproof in environment (sulfur hexafluoride gas concentration > 1000 μ L/L) or anoxic (oxygen concentration < 18%), monitoring alarm instrument can carry out sound and light alarm immediately, to remind staff to take safety measures, simultaneously, system automatically starts air discharging facility and reduces sulfur hexafluoride gas content in surrounding air, assurance enters office work personnel's personal safety.
On the one hand, it is universal phenomenon that sulfur hexafluoride electrical equipment occurs to leak, and on the other hand, the relevant criterion of China and behavior rules clearly propose the leakage monitoring of sulfur hexafluoride gas; So, in power grid construction, how bid product is carried out to authoritative performance test, sensor performance is assessed, censorship sensing unit is completed to calibrating? at present, on market He in industry, lack the calibration tool to the practicality of sulfur hexafluoride gas monitoring, alarming transmitter.
Utility model content
The utility model, for solving the problems of the technologies described above, provides a kind of laboratory quick checking device that carries out specially the sulfur hexafluoride gas leakage monitoring transmitter of quick verification for sulfur hexafluoride gas monitoring, alarming transmitter.
For achieving the above object, the utility model is by the following technical solutions: the laboratory quick checking device of sulfur hexafluoride gas leakage monitoring transmitter, comprise standard gas generating apparatus, two-position three way magnetic valve, the first three-way pipe, instrument check case to be evaluated and differential pressure pick-up, the gas outlet of standard gas generating apparatus is connected with the air intake opening of two-position three way magnetic valve, a gas outlet of two-position three way magnetic valve and the air intake opening of instrument check case to be evaluated are connected with two ports of the first three-way pipe respectively, another port of the first three-way pipe is connected with differential pressure pick-up.
Also comprise the first two-position two-way solenoid valve, pneumatic pump and the second three-way pipe, the gas outlet of described instrument check case to be evaluated is connected with the air intake opening of the first two-position two-way solenoid valve, the gas outlet of the first two-position two-way solenoid valve is connected with the air intake opening of pneumatic pump, and the gas outlet of pneumatic pump is connected with a port of the second three-way pipe.
Also comprise the second two-position two-way solenoid valve, on described instrument check case to be evaluated, offer emptying air intake opening, emptying air intake opening is connected with the gas outlet of the second two-position two-way solenoid valve.
Another gas outlet of described two-position three way magnetic valve is connected with another port of the second three-way pipe.
Adopt technique scheme, the utility model adopts built-in standard gas generating apparatus, collection sulfur hexafluoride and numerous measured value of parameters detections such as oxygen content and ambient temperature and humidity and calibration and one, in the time that transmitter is connected with monitoring main frame, can also verify whether the alarm module of monitoring main frame normally starts.Whether in a word, whether standard gas generating apparatus can be evaluated the work of transmitter reliable, whether accurately comprises measured value, and whether reaction velocity meets the requirements, and whether the accuracy of measured value meet expection, can also check the alarm module of monitoring main frame normal.
Standard gas generating apparatus is used for generating evaluates the calibrating gas of verification sulfur hexafluoride on-line monitoring transmitter in other words.The standard source of the gas that the input of its air source inlet is purchased, the calibrating gas of the various concentration that its delivery outlet output verification transmitter is used.The built-in verification gas generating unit of the utility model, user need not buy special distribution equipment in the time carrying out instrument check, only needs to prepare two bottles of gases, and verification is convenient, cost.
The gas outlet of standard gas generating apparatus is connected to instrument check case to be evaluated after being connected in series successively a two-position three way magnetic valve and the first three-way pipe by gas piping, and a remaining port of the first three-way pipe is connected with differential pressure pickup.Differential pressure pickup is used for the variation of Real-Time Monitoring instrument check loading pressure to be evaluated, to system running environment and security are judged, and makes action by corresponding control module, safeguards system even running.In the time that the transmitter of the online leakage monitoring warning of room sulfur hexafluoride gas needs verification to evaluate, put it into instrument check case to be evaluated, these transmitters will complete the evaluation of instrument under the calibrating gas environment generating at standard gas generating apparatus, whether accurately comprise measured value, whether reaction velocity meets the requirements, and whether the accuracy of measured value meets expection; In the time that being connected with monitoring main frame, transmitter can also check the alarm module of monitoring main frame whether normal.
In checking procedure, in the time that the calibrating gas in instrument check case to be evaluated needs varied concentration, or while having tested, need to be by emptying the gas in instrument check case to be evaluated.The utility model has also designed fast evacuation gas circuit, to meet shorter verification time requirement intermittently, completes after primary instrument verification, can Rapid replacement verification gas, and in order to next verification.Emptying gas circuit of the present utility model is as follows: the emptying air intake opening of instrument check case to be evaluated connects the second two-position two-way solenoid valve, have a gas outlet in the bottom of instrument check case to be checked, this gas outlet is connected with the first two-position two-way solenoid valve, pneumatic pump and the second three-way pipe in turn by gas piping.In the time that instrument check case needs to be evaluated are emptying, the gas in instrument check case to be evaluated is discharged from gas outlet by the first two-position two-way solenoid valve, pneumatic pump and the second three-way pipe successively under the effect of pneumatic pump.In order to weaken the impact of residual gas in instrument check case to be evaluated, the utility model has also designed emptying air inlet pipeline, under the effect of pneumatic pump, outside air enters instrument check case to be evaluated and then discharges from its gas outlet via the first two-position two-way solenoid valve, pneumatic pump and the second three-way pipe after the second two-position two-way solenoid valve.
In the time that the calibrating gas flow of standard gas generating apparatus generation is greater than the gas flow of checking box use, unnecessary gas flow is shunted from another passage of two-position three way magnetic valve, produce overflow, this overflow gas is incorporated to its gas outlet and is drained through gas piping, the second three-way pipe again.
The utility model adopts built-in standard gas generating apparatus, collection sulfur hexafluoride and numerous measured value of parameters detections such as oxygen content and ambient temperature and humidity and calibration and one, in the time that transmitter is connected with monitoring main frame, can also verify whether the alarm module of monitoring main frame normally starts.Whether in a word, whether the utility model can be evaluated the work of transmitter reliable, whether accurately comprises measured value, and whether reaction velocity meets the requirements, and whether the accuracy of measured value meet expection, can also check the alarm module of monitoring main frame normal.
Whether the utility model can be evaluated the work of transmitter reliable, whether accurately comprise numerous measured value of parameters such as sulfur hexafluoride and oxygen content and ambient temperature and humidity, whether reaction velocity meets the requirements, and whether the accuracy of measured value meets expection, in the time that transmitter is connected with monitoring main frame, can also check the alarm module of monitoring main frame whether normal.This device can be widely used in all kinds of power test research institutes of electric system and the manufacturer of laboratory and sulfur hexafluoride leakage monitoring instrument, to ensureing the security of operation of sulfur hexafluoride electrical equipment, the leakage pollution on the environment of prevention SF 6 high-voltage switch and destruction, Maintenance and Repair personnel life security are significant.
In addition, the built-in standard gas generating apparatus of the utility model, user need not buy special distribution equipment in the time carrying out instrument check, and only need are prepared two bottles of gases, have the feature of verification convenience, cost.The utility model has designed fast evacuation gas circuit, has the shorter verification quiescent interval, requires to complete after primary instrument verification, can Rapid replacement verification gas, in order to next verification; Have the advantages that verification speed is fast, work efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the laboratory quick checking device of sulfur hexafluoride gas leakage monitoring transmitter of the present utility model, comprise standard gas generating apparatus 1, two-position three way magnetic valve 2, the first three-way pipe 3, instrument check case 4 to be evaluated and differential pressure pick-up 5, the gas outlet of standard gas generating apparatus 1 is connected with the air intake opening of two-position three way magnetic valve 2, a gas outlet of two-position three way magnetic valve 2 and the air intake opening of instrument check case 4 to be evaluated are connected with two ports of the first three-way pipe 3 respectively, and another port of the first three-way pipe 3 is connected with differential pressure pick-up 5.
The utility model also comprises the first two-position two-way solenoid valve 6, pneumatic pump 7 and the second three-way pipe 8, the gas outlet of described instrument check case 4 to be evaluated is connected with the air intake opening of the first two-position two-way solenoid valve 6, the gas outlet of the first two-position two-way solenoid valve 6 is connected with the air intake opening of pneumatic pump 7, and the gas outlet of pneumatic pump 7 is connected with a port of the second three-way pipe 8.
The utility model also comprises the second two-position two-way solenoid valve 9, on described instrument check case 4 to be evaluated, offers emptying air intake opening, and emptying air intake opening is connected with the gas outlet of the second two-position two-way solenoid valve 9.
Two-position three way magnetic valve 2 another gas outlets are connected with another port of the second three-way pipe 8.
Standard gas generating apparatus 1 in the middle of the utility model is existing mature technology, and concrete structure repeats no more.
The gas outlet of standard gas generating apparatus 1 is connected in series successively and is connected to instrument check case 4, the first three-way pipes 3 remaining ports to be evaluated after a two-position three way magnetic valve 2 and the first three-way pipe 3 and is connected with differential pressure pickup by gas piping.Differential pressure pickup is used for the variation of Real-Time Monitoring instrument check case 4 interior gaseous tensions to be evaluated, to system running environment and security are judged, and makes action by corresponding control module, safeguards system even running.In the time that the transmitter of the online leakage monitoring warning of room sulfur hexafluoride gas needs verification to evaluate, put it into instrument check case 4 to be evaluated, these transmitters will complete the evaluation of instrument under the calibrating gas environment generating at standard gas generating apparatus 1, whether accurately comprise measured value, whether reaction velocity meets the requirements, and whether the accuracy of measured value meets expection; In the time that being connected with monitoring main frame, transmitter can also check the alarm module of monitoring main frame whether normal.
In checking procedure, in the time that the calibrating gas in instrument check case 4 to be evaluated needs varied concentration, or while having tested, need to be by emptying the gas in instrument check case 4 to be evaluated.The utility model has also designed fast evacuation gas circuit, to meet shorter verification time requirement intermittently, completes after primary instrument verification, can Rapid replacement verification gas, and in order to next verification.Emptying gas circuit of the present utility model is as follows: the emptying air intake opening of instrument check case 4 to be evaluated connects the second two-position two-way solenoid valve 9, have a gas outlet in the bottom of instrument check case to be checked, this gas outlet is connected with the first two-position two-way solenoid valve 6, pneumatic pump 7 and the second three-way pipe 8 in turn by gas piping.When instrument check case to be evaluated 4 needs when emptying, the gas in instrument check case 4 to be evaluated is discharged from gas outlet by the first two-position two-way solenoid valve 6, pneumatic pump 7 and the second three-way pipe 8 successively under the effect of pneumatic pump 7.In order to weaken the impact of instrument check case 4 interior residual gas to be evaluated, the utility model has also designed emptying air inlet pipeline, under the effect of pneumatic pump 7, outside air enters instrument check case 4 to be evaluated and then discharges from its gas outlet via the first two-position two-way solenoid valve 6, pneumatic pump 7 and the second three-way pipe 8 after the second two-position two-way solenoid valve 9.
When the calibrating gas flow generating when standard gas generating apparatus 1 is greater than the gas flow that checking box uses, unnecessary gas flow is shunted from another passage of two-position three way magnetic valve 2, produce overflow, this overflow gas is incorporated to its gas outlet and is drained through gas piping, the second three-way pipe 8 again.
The utility model adopts built-in standard gas generating apparatus 1, collection sulfur hexafluoride and numerous measured value of parameters detections such as oxygen content and ambient temperature and humidity and calibration and one, in the time that transmitter is connected with monitoring main frame, can also verify whether the alarm module of monitoring main frame normally starts.Whether in a word, whether standard gas generating apparatus 1 can be evaluated the work of transmitter reliable, whether accurately comprises measured value, and whether reaction velocity meets the requirements, and whether the accuracy of measured value meet expection, can also check the alarm module of monitoring main frame normal.
Standard gas generating apparatus 1 is used for generating evaluates the calibrating gas of verification sulfur hexafluoride on-line monitoring transmitter in other words.The standard source of the gas that the input of its air source inlet is purchased, the calibrating gas of the various concentration that its delivery outlet output verification transmitter is used.The built-in verification gas generating unit of the utility model, user need not buy special distribution equipment in the time carrying out instrument check, only needs to prepare two bottles of gases, and verification is convenient, cost.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. the laboratory quick checking device of sulfur hexafluoride gas leakage monitoring transmitter, it is characterized in that: comprise standard gas generating apparatus, two-position three way magnetic valve, the first three-way pipe, instrument check case to be evaluated and differential pressure pick-up, the gas outlet of standard gas generating apparatus is connected with the air intake opening of two-position three way magnetic valve, a gas outlet of two-position three way magnetic valve and the air intake opening of instrument check case to be evaluated are connected with two ports of the first three-way pipe respectively, and another port of the first three-way pipe is connected with differential pressure pick-up.
2. the laboratory quick checking device of sulfur hexafluoride gas leakage monitoring transmitter according to claim 1, it is characterized in that: also comprise the first two-position two-way solenoid valve, pneumatic pump and the second three-way pipe, the gas outlet of described instrument check case to be evaluated is connected with the air intake opening of the first two-position two-way solenoid valve, the gas outlet of the first two-position two-way solenoid valve is connected with the air intake opening of pneumatic pump, and the gas outlet of pneumatic pump is connected with a port of the second three-way pipe.
3. the laboratory quick checking device of sulfur hexafluoride gas leakage monitoring transmitter according to claim 2, it is characterized in that: also comprise the second two-position two-way solenoid valve, on described instrument check case to be evaluated, offer emptying air intake opening, emptying air intake opening is connected with the gas outlet of the second two-position two-way solenoid valve.
4. according to the laboratory quick checking device of the sulfur hexafluoride gas leakage monitoring transmitter described in claim 2 or 3, it is characterized in that: another gas outlet of described two-position three way magnetic valve is connected with another port of the second three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612395.1U CN203606337U (en) | 2013-09-30 | 2013-09-30 | Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612395.1U CN203606337U (en) | 2013-09-30 | 2013-09-30 | Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203606337U true CN203606337U (en) | 2014-05-21 |
Family
ID=50719003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320612395.1U Expired - Fee Related CN203606337U (en) | 2013-09-30 | 2013-09-30 | Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203606337U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179159A (en) * | 2017-06-13 | 2017-09-19 | 国网山东省电力公司电力科学研究院 | The check system and method for a kind of SF6 on-line monitoring alarm device for leakage |
| CN108692870A (en) * | 2018-05-08 | 2018-10-23 | 广州供电局有限公司 | SF6Leak detector test method and device |
| CN111398519A (en) * | 2019-10-31 | 2020-07-10 | 杭州超钜科技有限公司 | Measuring CO2Automatic calibrating device for performance of analyzer and detection method thereof |
| CN114384144A (en) * | 2021-10-25 | 2022-04-22 | 广东电网有限责任公司广州供电局 | Calibration device and method of alarm instrument for detecting sulfur hexafluoride in power distribution room |
-
2013
- 2013-09-30 CN CN201320612395.1U patent/CN203606337U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179159A (en) * | 2017-06-13 | 2017-09-19 | 国网山东省电力公司电力科学研究院 | The check system and method for a kind of SF6 on-line monitoring alarm device for leakage |
| CN108692870A (en) * | 2018-05-08 | 2018-10-23 | 广州供电局有限公司 | SF6Leak detector test method and device |
| CN111398519A (en) * | 2019-10-31 | 2020-07-10 | 杭州超钜科技有限公司 | Measuring CO2Automatic calibrating device for performance of analyzer and detection method thereof |
| CN114384144A (en) * | 2021-10-25 | 2022-04-22 | 广东电网有限责任公司广州供电局 | Calibration device and method of alarm instrument for detecting sulfur hexafluoride in power distribution room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472193B (en) | Quick tester for transmitter laboratory | |
| CN203606084U (en) | On-site fast checking system of sulfur hexafluoride gas leakage monitoring device | |
| CN203606337U (en) | Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter | |
| CN108050394B (en) | Gas pipeline leakage detection positioning experiment platform based on sound pressure signal identification | |
| CN205449409U (en) | Airtight pressure measurement | |
| CN109374833A (en) | A kind of SF6 gas intelligent checking system and method | |
| CN203490209U (en) | Calibrating device for harmful gas detection alarm of coal mine | |
| CN103463925B (en) | Based on the device for recovering tail gas of control method for pressure balance | |
| CN206638397U (en) | A kind of batteries of electric automobile bag air-tightness detection device | |
| CN202693564U (en) | Comprehensive sulfur hexafluoride gas detection device | |
| CN203606339U (en) | Device for detecting sulfur hexafluoride leakage alarming instrument | |
| CN203881713U (en) | Online ultrasonic wave monitoring system for SF6 gas in transformer substation | |
| CN207115707U (en) | Rail mounted monitoring harmful gases device based on Internet of Things | |
| CN107796571B (en) | Portable equipment for detecting air tightness of special-shaped surface of product | |
| CN103308576A (en) | Sulfur hexafluoride decomposer tester | |
| CN202916394U (en) | High-precision on-line monitoring apparatus for oil gas of transformer | |
| CN202083525U (en) | On-site detection device of SF6-O2 on-line leakage monitoring alarm instrument | |
| CN207899243U (en) | A kind of sulfur hexafluoride failure gas purifier | |
| CN203881673U (en) | Portable capsule replacement type micro-water measurement instrument | |
| CN203629777U (en) | Medicine bottle leak detection machine | |
| CN104502542A (en) | Field inspection device for gas monitoring alarm | |
| CN102830244B (en) | Flow velocity measuring device with pitot tube | |
| CN205138528U (en) | Measurement detects room | |
| CN109283297B (en) | Independent calibration sampling system for hydrogen online analysis | |
| CN210951708U (en) | GIS room ventilation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20160930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |