CN205192812U - Gaseous automatic sampling device of portable sulfur hexafluoride - Google Patents
Gaseous automatic sampling device of portable sulfur hexafluoride Download PDFInfo
- Publication number
- CN205192812U CN205192812U CN201520696676.9U CN201520696676U CN205192812U CN 205192812 U CN205192812 U CN 205192812U CN 201520696676 U CN201520696676 U CN 201520696676U CN 205192812 U CN205192812 U CN 205192812U
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- bypass
- vacuum pump
- sulfur hexafluoride
- 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.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a gaseous automatic sampling device of portable sulfur hexafluoride, including a vacuum pump, the air inlet department of vacuum pump is equipped with the second valve and is connected with a sampling bottle through first pipeline, be equipped with first bypass on the first pipeline and be connected with the SF6 equipment of need samples, the gas outlet of vacuum pump is connected with the second pipeline, be equipped with first valve in the first bypass, still be equipped with the second bypass on the first pipeline between first bypass and sampling bottle, the second bypass is linked together through third valve and second pipeline, first valve, second valve, third valve all are electromagnetic valves, and the control signal input of first valve, second valve, third valve is connected respectively on a PLC's output interface, and PLC's incoming signal comes from the pressure sensor who establishes on first pipeline. The utility model discloses a program controller control flap accomplishes whole gas sampling process, whole sample process convenient and fast, the utility model discloses portable and easy operation can effectively improve gas sampling's efficiency.
Description
Technical field
The utility model relates to and a kind of gas sampling device, is specifically related to a kind of Portable sulfur hexafluoride gas automatic sampling device.
Background technology
Sulfur hexafluoride gas is as being widely used in SF
6the insulation of equipment and arc-extinguishing medium, its gas composition content directly affects dielectric level and the arc extinguishing ability of electrical equipment.Existing SF
6the sulfur hexafluoride gas sampling device of equipment generally takes manual operation by-pass valve control mode, require that technician is very familiar to gas sample flow process, each sampling procedure of energy skilled operation, any one step is made mistakes and is all likely caused the even system locking of a large amount of Leakage Gas.Therefore, design a kind of simple, convenient sulfur hexafluoride automatic gas sampler carried and seem particularly necessary.
Utility model content
Technical problem to be solved in the utility model, be just to provide a kind ofly can effectively improve sampling efficiency, be easy to carry, sulfur hexafluoride gas automatic sampling device easy to use.
Solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of Portable sulfur hexafluoride gas automatic sampling device, it is characterized in that: comprise a vacuum pump, the air intake opening place of described vacuum pump is provided with the second valve and is connected with a sampling jar through the first pipeline, the first described pipeline be provided with the first bypass (sampling bypass) and with the SF that need sample
6equipment is connected, the gas outlet of described vacuum pump is connected with second pipe, the first described bypass is provided with the first valve, and the first described pipeline is also provided with the second bypass between the first bypass and sampling jar, and the second described bypass is connected with second pipe by the 3rd valve;
The first described valve, the second valve, the 3rd valve are all electromagnetic valves, the control signal input end of the first described valve, the second valve, the 3rd valve is connected on the output interface of a PLC, and the input signal of described PLC is located at the pressure transducer on the first pipeline from one.
The first described pipeline is provided with the 4th valve between the second bypass and sampling jar, and the 4th described valve is electromagnetic valve and is connected on the output interface of PLC.
Improve as one of the present utility model, described second pipe is provided with retaining valve between the gas outlet of described vacuum pump and the second bypass.
Further, the first described pipeline is also provided with tensimeter for showing the air pressure of the first pipeline and sampling jar.
Again further, the first described bypass and SF
6equipment is connected by jointing, and wherein jointing is SWAGELOK rapid-acting coupling.
Preferentially, described vacuum pump is operating pressure scope is 101325 ~ 1.33 × 10
-2the sliding vane rotary vacuum pump of PA.
Preferably, described pipeline and jointing all adopt corrosion resistant special Stainless steel 316 manufacture to form.
Described sampling jar carries angle valve.
Compared with prior art, the utility model instrument has the following advantages:
The utility model adopts programming controller (PLC) by-pass valve control to complete whole gas sample process, and whole sampling process is convenient and swift, and the utility model is easy to carry and simple to operate, effectively can improve the efficiency of gas sampling.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure: 1-vacuum pump, 2-first pipeline, 3-sampling jar, 4-first valve, 5-second valve, 6-the 3rd valve, 7-second pipe, 8-retaining valve, 9-pressure transducer, 10-tensimeter, 11-PLC, 12-jointing, 13-SF
6equipment, 14-the 4th valve, 15-angle valve.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
Portable sulfur hexafluoride gas automatic sampling device is as shown in Figure 1 embodiment of the present utility model, comprises a vacuum pump 1, and vacuum pump is operating pressure scope is 101325 ~ 1.33 × 10
-2the sliding vane rotary vacuum pump of PA; The air intake opening place of vacuum pump 1 is provided with the second valve 5 and is connected with a sampling jar 3 through the first pipeline 2, and sampling jar 3 carries angle valve 15; First pipeline 2 is provided with the first bypass and through jointing 12 and a SF
6equipment 13 is connected, and wherein jointing 12 is SWAGELOK rapid-acting coupling; The gas outlet of vacuum pump 1 is connected with second pipe 7, is vented when vacuumizing for sampler; First bypass is provided with the first valve 4, first pipeline 2 is also provided with the second bypass between the first bypass and sampling jar 3, second bypass is connected with second pipe 7 by the 3rd valve 6, can be discharged with during gas bleed sampling jar by the second bypass from second pipe; First pipeline 2 is also provided with tensimeter 10 for showing the air pressure of the first pipeline 2 and sampling jar 3; First valve 4, second valve 5, the 3rd valve 6 are all electromagnetic valves, the first described valve 4, second valve 5, the control signal input end of the 3rd valve 6 are connected on the output interface of a PLC11, the input signal of described PLC11 is located at the pressure transducer 9 on the first pipeline 2 from one, first pipeline 2 is provided with the 4th valve 14 between the second bypass and sampling jar 3,4th valve 14 is electromagnetic valve and is connected on the output interface of PLC11, can will vacuumize pipeline after the first valve, the 3rd valve, the 4th valve closing; Second pipe 7 is provided with retaining valve 8 between the gas outlet of described vacuum pump 1 and the second bypass, can prevents air from pouring in down a chimney in vacuum pump.
Pipeline in above-described embodiment and jointing all adopt corrosion resistant special Stainless steel 316 manufacture to form, and effectively can ensure the antiseptic property of pipeline and jointing.
Principle of work of the present utility model: before carrying out sampling, default pipeline leakage testing program is carried out to PLC, Leak Detection program is as follows: the first step: after pressing leak detection button (check), PLC closes the first valve, the 3rd valve, the 4th valve by output interface, opens the second valve; Second step: open vacuum pump, and maintain 3min; 3rd step: close vacuum pump and the second valve, and record the value P0 of now voltage table; 4th step: after 1h, again the value P1 of recording voltmeter.If the difference between P1 and P0 is less than 10Pa, whole pipeline is not revealed, otherwise revealing appears in pipeline.After the detection carrying out pipe leakage, by jointing and SF
6equipment is connected and carries out sampling routine, the step of whole sampling process is as follows: the first step: after pressing PLC play button (start), PLC closes the 3rd valve 6 by output interface, open the second valve 5, then start vacuum pump, vacuumize sampling jar, pipeline, vacuum should lower than 0.0001MPa, maintain 3min, vacustat maintains below <10Pa and fluctuates; Second step: close the second valve 5, opens the first valve 4 of connection device, inflates, to pressure and SF to sampling jar
6balance of plant, closes the first valve 4, opens the 3rd valve 6, rinses pipeline and sampling jar, 1min consuming time; 3rd step: when the pressure of bottle to be sampled and pipeline drops to close to atmospheric pressure, close the 3rd valve 6, open the second valve 5, and start vacuum pump and again again vacuumize sampling jar, the pumpdown time is not less than 3min; 4th step: close the second valve 5, close vacuum-pump power supply, open the first valve 4, inflate sampling jar, to pressure stability, 3min consuming time, closes the first valve 4 and the 4th valve 14.So far PLC program performs end, and whole process controls automatically, terminates rear closedown PLC power supply, closes SF
6equipment valve and sampling jar angle valve 15, dismounting jointing, the capping of restorer joint, dismounting sampling jar, labelled.
Claims (8)
1. a Portable sulfur hexafluoride gas automatic sampling device, it is characterized in that: comprise a vacuum pump, the air intake opening place of described vacuum pump is provided with the second valve and is connected with a sampling jar through the first pipeline, the first described pipeline be provided with the first bypass and with the SF that need sample
6equipment is connected, the gas outlet of described vacuum pump is connected with second pipe, the first described bypass is provided with the first valve, and the first described pipeline is also provided with the second bypass between the first bypass and sampling jar, and the second described bypass is connected with second pipe by the 3rd valve;
The first described valve, the second valve, the 3rd valve are all electromagnetic valves, the control signal input end of the first described valve, the second valve, the 3rd valve is connected on the output interface of a PLC, and the input signal of described PLC is located at the pressure transducer on the first pipeline from one.
2. Portable sulfur hexafluoride gas automatic sampling device according to claim 1, it is characterized in that: the first described pipeline is provided with the 4th valve between the second bypass and sampling jar, the 4th described valve is electromagnetic valve and is connected on the output interface of PLC.
3. Portable sulfur hexafluoride gas automatic sampling device according to claim 1, is characterized in that: described second pipe is provided with retaining valve between the gas outlet of described vacuum pump and the second bypass.
4. Portable sulfur hexafluoride gas automatic sampling device according to claim 1, is characterized in that: the first described pipeline is also provided with tensimeter for showing the air pressure of the first pipeline and sampling jar.
5., according to the arbitrary described Portable sulfur hexafluoride gas automatic sampling device of Claims 1-4, it is characterized in that: the first described bypass and SF
6equipment is connected by jointing, and wherein jointing is SWAGELOK rapid-acting coupling.
6. Portable sulfur hexafluoride gas automatic sampling device according to claim 5, is characterized in that: described vacuum pump is operating pressure scope is 101325 ~ 1.33 × 10
-2the sliding vane rotary vacuum pump of PA.
7. Portable sulfur hexafluoride gas automatic sampling device according to claim 6, is characterized in that: described pipeline and jointing all adopt corrosion resistant special Stainless steel 316 manufacture to form.
8. Portable sulfur hexafluoride gas automatic sampling device according to claim 7, is characterized in that: described sampling jar carries angle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696676.9U CN205192812U (en) | 2015-09-08 | 2015-09-08 | Gaseous automatic sampling device of portable sulfur hexafluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696676.9U CN205192812U (en) | 2015-09-08 | 2015-09-08 | Gaseous automatic sampling device of portable sulfur hexafluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205192812U true CN205192812U (en) | 2016-04-27 |
Family
ID=55785791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520696676.9U Active CN205192812U (en) | 2015-09-08 | 2015-09-08 | Gaseous automatic sampling device of portable sulfur hexafluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205192812U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807670A (en) * | 2016-05-10 | 2016-07-27 | 贵州电网有限责任公司电力科学研究院 | Zero-pollution pump-back device and operating method thereof |
| CN108195639A (en) * | 2017-11-24 | 2018-06-22 | 国网北京市电力公司 | Sulfur hexafluoride sampler |
| CN109030749A (en) * | 2018-09-04 | 2018-12-18 | 广东电网有限责任公司 | Automatically mechanism of qi structure, gas-detecting device and SF are taken6Gas on-line detecting system |
-
2015
- 2015-09-08 CN CN201520696676.9U patent/CN205192812U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807670A (en) * | 2016-05-10 | 2016-07-27 | 贵州电网有限责任公司电力科学研究院 | Zero-pollution pump-back device and operating method thereof |
| CN105807670B (en) * | 2016-05-10 | 2019-05-07 | 贵州电网有限责任公司电力科学研究院 | A kind of " no pollution " blowback device |
| CN108195639A (en) * | 2017-11-24 | 2018-06-22 | 国网北京市电力公司 | Sulfur hexafluoride sampler |
| CN109030749A (en) * | 2018-09-04 | 2018-12-18 | 广东电网有限责任公司 | Automatically mechanism of qi structure, gas-detecting device and SF are taken6Gas on-line detecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202471374U (en) | Multifunctional airtightness detection apparatus | |
| CN205192812U (en) | Gaseous automatic sampling device of portable sulfur hexafluoride | |
| CN103499470A (en) | Sampling device and sampling method for gas content of insulating oil | |
| CN205642904U (en) | Insulation oil sampling device of transformer | |
| CN208999195U (en) | A kind of easy gas dilution, pressurizing device | |
| CN207181096U (en) | A kind of suction type fast sampling instrument | |
| CN201107223Y (en) | SF6 gas sampler | |
| CN104764894B (en) | Full-automatic gas sample retention device | |
| CN204556650U (en) | Full-automatic gas keeps sample device | |
| CN203376114U (en) | Built-in positive-negative pressure air source for air tightness leak detector | |
| CN205158158U (en) | Nitrogen seals automatic control device | |
| CN109030685A (en) | Gas chromatograph and its delay automatic cutting off device | |
| CN104977191A (en) | Flue gas quick sampling and automatic switching group valve device | |
| CN205191220U (en) | Instrument air supply system | |
| CN205301006U (en) | A SF6 gas sampling ware for sulfur hexafluoride electrical equipment | |
| CN103868686A (en) | System for testing service life of inflating nozzle | |
| CN209354723U (en) | For detecting the pneumatic pressure transmitter of highly pressurised liquid | |
| CN208635983U (en) | Detection device for class air seal leakage rate | |
| CN207336006U (en) | A kind of gas circuit missing inspection device of gas sampler | |
| CN209927761U (en) | Online real-time detection device for hydrocarbon dew point of gas pipeline | |
| CN203908828U (en) | Quantitative gas sampler | |
| CN203981343U (en) | A kind of for the online combination valve detecting of tensimeter | |
| CN203455199U (en) | Exhaust gas collecting device for exhaust gas detection | |
| CN111929116A (en) | Sampling method for detecting gas content of insulating oil | |
| CN204347001U (en) | A kind of gas density analyzer calibration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |