CN201926546U - On-site verification device for SF6-O2 leakage monitoring and warning device - Google Patents
On-site verification device for SF6-O2 leakage monitoring and warning device Download PDFInfo
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- CN201926546U CN201926546U CN2011200039658U CN201120003965U CN201926546U CN 201926546 U CN201926546 U CN 201926546U CN 2011200039658 U CN2011200039658 U CN 2011200039658U CN 201120003965 U CN201120003965 U CN 201120003965U CN 201926546 U CN201926546 U CN 201926546U
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- valve
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Abstract
The utility model relates to an on-site verification device for an SF6-O2 leakage monitoring and warning device. The on-site verification device is connected with the SF6-O2 leakage monitoring and warning device by means of quick plug-in joint through a test pipe and is divided into two lines through a three-way switching piece, in which one line is used for detecting a qualitative SF6 alarm transmitter and the other line is used for detecting a quantitative alarm module, therefore, the on-site verification device can be applied to verify the qualitative and qualitative on-line SF6-O2 leakage monitoring and warning device in any production plant. The on-site verification device comprises a housing and a gas source device arranged inside the housing, wherein the gas source device is connected with a gas supplementation test switching valve which is arranged on the outer wall of the housing, one port of the gas supplementation test switching valve is connected with a gas supplementation system, the other port of the gas supplementation test switching valve is connected with a sample gas valve which is arranged on the outer wall of the housing through a pressure reduction and stabilization device and a flow meter, the sample gas valve is connected with a three-way valve, one port of three-way valve is connected with a gas outlet which is arranged on the outer wall of the housing and used for connecting the test pipe, another port of the three-way valve is connected with a vacuum system, and the vacuum system is connected with an air valve which is arranged on the outer wall of the housing.
Description
Technical field
The utility model is a kind of SF
6-O
2Leak supervision alarm on-site calibration device is to solve SF in service
6-O
2The problem of leak supervision alarm on-line calibration.
Background technology
According to generating plant and electric substation's electric part relevant regulations in " electrical safe working order ", the indoor SF that is equipped with
6The online SF of operation must be equipped with in the equipment work place
6-O
2Leak supervision alarm, and periodic check guarantee intact.SF
6-O
2The leak supervision alarm is mainly used in SF in the monitoring office work surrounding air
6G﹠O content, SF in air
6Gas concentration surpasses 1000 μ L/L or airborne oxygen level is lower than at 18% o'clock, carries out Realtime Alerts and starts air discharging facility.We can say that its performance quality directly has influence on operation maintenance personnel's personal safety.
The online SF of existing operation
6-O
2The leak supervision alarm has quantitatively and qualitative two kinds, classification has negative corona method, semiconductor process, thermal conductivity method, supercritical ultrasonics technology, infrared absorption method, laser method etc. again according to Fundamentals of Sensors, and the product appearance of each manufacturer production and sampling mode are different again, owing to lack moving online SF now
6-O
2The leak supervision alarm carries out the means of field-checking, causes behind the equipment installation and operation on-line testing regularly.SF like this
6-O
2After the leak supervision alarm operation whether accurately and can start problems such as blower fan air draft, infrared phonetic function be whether normal after whether reporting to the police and have to be solved.At online SF
6-O
2There is such problem in the leak supervision alarm, is necessary to provide a kind of on-site calibration device.
The utility model content
The purpose of this utility model is exactly in order to overcome the SF of existing on-line operation
6-O
2Leak supervision alarm scene can't verification, can not find in time that whether its running precision, warning air draft, human body infrared induction exist the problem of defective, provide a kind of SF
6-O
2Leak supervision alarm on-site calibration device, it is connected with equipment through too fast inserting by testing conduit, can detect qualitative SF by threeway adaptor one tunnel then
6Alarm transmitter, another road can detect quantitative alarm module, like this applicable to qualitative, the quantitative online SF of any manufacturer
6-O
2The verification work of leak supervision alarm.
For achieving the above object, the utility model adopts following technical scheme:
A kind of SF
6-O
2Leak supervision alarm on-site calibration device, it comprises housing, compressed air source unit is installed in housing, described compressed air source unit is tested transfer valve with the tonifying Qi on being arranged on the housing outer wall and is connected, tonifying Qi test transfer valve one tunnel is connected with gas charging system, and reduce pressure stable-pressure device and flowmeter of another Lu Zejing is connected with sample air valve on being arranged on the housing outer wall; The sample air valve is connected with threeway, threeway one tunnel be arranged on the housing outer wall on be used to be connected testing conduit gas vent connect, another Lu Zeyu vacuum system of threeway connects, vacuum system is connected with air valve on being arranged on the housing outer wall.
Described air valve also is connected with air flowmeter, and air flowmeter is connected with filtrator.
Described vacuum system comprises vacuum pump, and vacuum pump is connected with vacuum pump switch; Vacuum pump switch is connected with power supply.
Described gas charging system comprises self-styled valve, and self-styled valve is connected with gas ducting.
Described compressed air source unit is a gas cylinder, and it is installed on the gas-cylinder retaining assembly, and is connected with tonifying Qi test transfer valve by the bottle valve that is arranged on the housing outer wall.
The utility model is in use:
1, gas cylinder inflation: connect gas ducting, open bottle valve, transfer valve is tested in tonifying Qi adjusted to aerating position, what tonifying Qi test this moment transfer valve was connected with the stable-pressure device that reduces pressure a road is in closed condition, what be connected with gas ducting a road is in open mode, gets final product from the inflation inlet inflation.
2 if deployed gas, then directly use: connect testing conduit, open bottle valve, sample air valve and tonifying Qi test transfer valve, and with a road closing that tonifying Qi tests that transfer valve is connected with gas ducting, what will be connected with the decompression stable-pressure device a road opens, and tests then.
3 if gas needs allotment: connect testing conduit, open bottle valve, sample air valve, air valve, tonifying Qi test transfer valve, and with a road closing that tonifying Qi tests that transfer valve is connected with gas ducting, with a road opening that the decompression stable-pressure device is connected, regulate sample airshed meter and air flowmeter according to demand, open vacuum pump; Close vacuum pump earlier after use finishing, close all valves then, with tonifying Qi test transfer valve transfer to is connected with gas ducting a road open the road position of closing that is connected with the stable-pressure device that reduces pressure.
The beneficial effects of the utility model are: simple in structure, easy to use, have very high stability, reappearance and precision, and be not subjected to the influence of environment temperature, humidity, noise, and be easy to carry.
Description of drawings
Fig. 1 is the utility model structural drawing;
Fig. 2 is the utility model internal duct catenation principle figure;
Wherein: 1 housing, 2 handles, 3 self-styled valves, 4 sample air valves, 5 flowmeters, 6 vacuum pump switch, 7 air flowmeter, 8 power supplys, 9 storage pressure display device, 10 air valves, 11 gas outlets, 12 tonifying Qi test transfer valve, 13 bottle valves, 14 gas cylinders, 15 gas-cylinder retaining assemblies, 16 decompression stable-pressure devices, 17 vacuum pumps, 18 filtrators.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1 and Figure 2, it comprises housing 1, and housing 1 is provided with handle 2.In housing 1, compressed air source unit is installed, described compressed air source unit is tested transfer valve 12 with the tonifying Qi on being arranged on housing 1 outer wall and is connected, tonifying Qi test transfer valve 12 one tunnel is connected with gas charging system, and another Lu Zejing storage pressure display device 9, reduce pressure stable-pressure device 16 and flowmeter 5 are connected with sample air valve 4 on being arranged on housing 1 outer wall; Sample air valve 4 is connected with threeway, threeway one tunnel be arranged on housing 1 outer wall on be used to be connected testing conduit gas vent 11 connect, another Lu Zeyu vacuum system of threeway connects, vacuum system is connected with air valve 10 on being arranged on housing 1 outer wall.
Described air valve 10 also is connected with air flowmeter 7, and air flowmeter 7 is connected with filtrator 18.
Described vacuum system comprises vacuum pump 17, and vacuum pump 17 is connected with vacuum pump switch 6; Vacuum pump switch 6 is connected with power supply 8.
Described gas charging system comprises self-styled valve 3, and self-styled valve 3 is connected with gas ducting.
Described compressed air source unit is a gas cylinder 14, and it is installed on the gas-cylinder retaining assembly 15, and is connected with tonifying Qi test transfer valve 12 by the bottle valve 13 that is arranged on housing 1 outer wall.
Wherein, self-styled valve 3 connects the tonifying Qi pipeline when tonifying Qi; 4 in sample air valve is the switch that control mixes required sample gas; Flowmeter 5 is used to observe and regulate the flow that mixes required sample gas; The switch whether vacuum pump switch 6 control vacuum-pump power supplies are connected; Storage pressure display device 9 is used for observing the pressure of gas cylinder; Air valve 10 mixes the switch of required air for control; Gas outlet 11 is the combination gas gas outlet, links to each other with testing conduit; Tonifying Qi test transfer valve 12 is used to switch gas compensation function and test function; Do not close when bottle valve 13 does not use, be used to control the switching of gas cylinder 14; Gas cylinder 14 storage sample gas; Gas-cylinder retaining assembly 15 is gas cylinder 14 fixedly; Decompression stable-pressure device 16 control sample atmospheric pressures; Vacuum pump 17 extracts and mixes required air; Particle etc. in filtrator 18 filtered airs.
Claims (5)
1. SF
6-O
2Leak supervision alarm on-site calibration device, it is characterized in that, it comprises housing, compressed air source unit is installed in housing, described compressed air source unit is tested transfer valve with the tonifying Qi on being arranged on the housing outer wall and is connected, tonifying Qi test transfer valve one tunnel is connected with gas charging system, and reduce pressure stable-pressure device and flowmeter of another Lu Zejing is connected with sample air valve on being arranged on the housing outer wall; The sample air valve is connected with threeway, threeway one tunnel be arranged on the housing outer wall on be used to be connected testing conduit gas vent connect, another Lu Zeyu vacuum system of threeway connects, vacuum system is connected with air valve on being arranged on the housing outer wall.
2. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that described air valve also is connected with air flowmeter, and air flowmeter is connected with filtrator.
3. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that described vacuum system comprises vacuum pump, and vacuum pump is connected with vacuum pump switch; Vacuum pump switch is connected with power supply.
4. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that described gas charging system comprises self-styled valve, and self-styled valve is connected with gas ducting.
5. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that described compressed air source unit is a gas cylinder, and it is installed on the gas-cylinder retaining assembly, and is connected with tonifying Qi test transfer valve by the bottle valve that is arranged on the housing outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200039658U CN201926546U (en) | 2011-01-07 | 2011-01-07 | On-site verification device for SF6-O2 leakage monitoring and warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200039658U CN201926546U (en) | 2011-01-07 | 2011-01-07 | On-site verification device for SF6-O2 leakage monitoring and warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926546U true CN201926546U (en) | 2011-08-10 |
Family
ID=44430391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200039658U Expired - Lifetime CN201926546U (en) | 2011-01-07 | 2011-01-07 | On-site verification device for SF6-O2 leakage monitoring and warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926546U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095559A (en) * | 2011-01-07 | 2011-06-15 | 山东电力研究院 | Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm |
| 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 |
-
2011
- 2011-01-07 CN CN2011200039658U patent/CN201926546U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095559A (en) * | 2011-01-07 | 2011-06-15 | 山东电力研究院 | Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm |
| CN102095559B (en) * | 2011-01-07 | 2012-09-05 | 山东电力研究院 | Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20120905 |