CN204007679U - A kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor - Google Patents
A kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor Download PDFInfo
- Publication number
- CN204007679U CN204007679U CN201420388962.4U CN201420388962U CN204007679U CN 204007679 U CN204007679 U CN 204007679U CN 201420388962 U CN201420388962 U CN 201420388962U CN 204007679 U CN204007679 U CN 204007679U
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- sulfur hexafluoride
- valve
- gas
- humidity sensor
- tank body
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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 81
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 71
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 71
- 238000012795 verification Methods 0.000 title claims abstract description 22
- 230000000994 depressogenic effect Effects 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000881 depressing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The verification platform that the utility model provides a kind of band to depress sulfur hexafluoride gas humidity sensor, comprise saturated steam generator, source of the gas, there is pressure-reducing filter, it is characterized in that: set up vacuum pump, cylinder and standard degree pick-up unit that linear electric motors drive, wherein standard degree pick-up unit comprises tank body, high-precision sensor, motor, magnetic shaft coupling and be arranged on the fan in tank body, wherein tank body is provided with for the adapter of sulfur hexafluoride humidity sensor to be detected is installed, certain humidity that saturated steam generator is prepared out, press saturation of forces sulfur hexafluoride water vapor and dry gas to inject in tank body, open electric motor fan and make gas humidity equilibrium in tank body, by high-precision sensor, read its humidity and density, then analyze the output valve of sulfur hexafluoride humidity sensor to be detected, and contrast with the humidity of reading and density, to judge the accuracy of sulfur hexafluoride humidity sensor to be detected, and carry out verification, excellent working performance.
Description
Technical field
The verification platform that the utility model provides a kind of band to depress sulfur hexafluoride gas humidity sensor, belongs to sulfur hexafluoride gas humidity sensor calibration technology field.
Background technology
For GIS equipment is carried out to condition monitoring, sulfur hexafluoride gas humidity and compactibility sensor has been installed in most of GIS equipment, sensors with auxiliary electrode were is after being used a period of time, and measuring accuracy variation, need regularly carry out verification; The existing calibration technology of Present Domestic and equipment mostly are and under normal pressure, configure different humidity density sulfur hexafluoride gas sulfur hexafluoride gas humidity and compactibility sensor is carried out to verification, and in actual use, sulfur hexafluoride gas humidity and compactibility sensor is in most cases in depressing very much work, and therefore domestic existing gas compound method can not meet the verification needs of sulfur hexafluoride gas humidity and compactibility sensor.
Utility model content
The purpose of this utility model is to provide a kind ofly can overcome above-mentioned defect, can solve the verification of depressing very much sulfur hexafluoride gas humidity and compactibility sensor, a kind of band of excellent working performance is depressed the verification platform of sulfur hexafluoride gas humidity sensor.Its technical scheme is:
Band is depressed a verification platform for sulfur hexafluoride gas humidity sensor, comprises saturated steam generator, source of the gas, the pressure-reducing filter with functions/drying, source of the gas exports successively through pressure-reducing filter, the first valve connects the second air intake opening of saturated steam generator, it is characterized in that: set up vacuum pump, cylinder and standard degree pick-up unit that linear electric motors drive, wherein standard degree pick-up unit comprises tank body, mirror surface type sulfur hexafluoride humidity sensor, RC sulfur hexafluoride humidity and compactibility sensor, motor, magnetic shaft coupling and be arranged on the fan in tank body, wherein tank body is provided with safety valve, tensimeter, vacuum meter, the first air intake opening, the first gas outlet and for the adapter of sulfur hexafluoride humidity sensor to be detected is installed, the first air intake opening connects the first end of the first four-way, mirror surface type sulfur hexafluoride humidity sensor and RC sulfur hexafluoride humidity and compactibility sensor are installed in inner tank wall, the first gas outlet the 8th valve connects dew point hygrometer, magnetic shaft coupling is inlaid on tank body, the outer rotor of magnetic shaft coupling is connected with the output shaft of motor, and internal rotor is fixedly connected with fan,
Saturated steam generator comprises closed container, ebullator, aeration head, water tank and the temperature sensor that is provided with electric heating tube, wherein the bottom of closed container is provided with the second air intake opening and the mouth of a river, temperature sensor is arranged on the bottom in closed container, aeration head is arranged in closed container and is communicated with the second air intake opening, the mouth of a river is provided with the second valve, and is communicated with water tank bottom; The second air intake opening is successively through being provided with the pipeline communication source of the gas of the first valve and pressure-reducing filter, connecing the second end of the first four-way through the first valve and the 3rd valve successively, and through ebullator, connects the 4th end of the second four-way; The first end of the second four-way is communicated with second gas outlet at closed container top, the second end connects atmosphere through being provided with the gas exhaust duct of the 4th valve, the 3rd end connects the first end of threeway through the 5th valve, the second end of threeway is communicated with cylinder, and the 3rd end is communicated with the 3rd end of the first four-way through the 6th valve; The 4th end of the first four-way is communicated with vacuum pump through the 7th valve; The piston rod of cylinder is fixedly connected with the output terminal of linear electric motors.
Described a kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor, the interface that sulfur hexafluoride humidity sensor to be detected is installed is 2-4, the link of each adapter and tank body is equipped with external thread, both are threaded through sealing gasket, the link of adapter and sulfur hexafluoride humidity sensor to be detected is provided with internal thread, and both are threaded by sealed tube.
Described a kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor, and electric heating tube is arranged on the latter half of closed container.
Described a kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor, and the difference in height of water tank and closed container is 0.5 meter.
Its principle of work is: first sulfur hexafluoride humidity sensor to be detected is installed on tank body through adapter, then prepare sulfur hexafluoride gas, again the sulfur hexafluoride gas of preparation and dry gas are injected in tank body, open electric motor fan and make gas humidity equilibrium in tank body, by pressure transducer, mirror surface type sulfur hexafluoride humidity sensor and RC sulfur hexafluoride humidity and compactibility sensor are read respectively its density and humidity, then analyze the output valve of sulfur hexafluoride humidity sensor to be detected, and contrast with the humidity of reading and density, to judge the accuracy of sulfur hexafluoride humidity sensor to be detected, and carry out verification.
Preparation sulfur hexafluoride gas is divided into two kinds of the preparation of different humidity sulfur hexafluoride gas under level pressure and the preparations of different pressures different humidity sulfur hexafluoride gas:
1, under preparation level pressure, during different humidity sulfur hexafluoride gas, first after filling with water in closed container, close the 4th valve, power-on, to heating liquid in closed container to 50 ℃ of design temperatures; Open the first valve, source of the gas enters closed container by Pressure Drop to level pressure and after filtering through pressure-reducing filter, on closed container top, form air cavity, in closed container, liquid level, higher than aeration head, temperature sensor and electric heating tube, and makes water temperature be controlled at design temperature; ON cycle pump, gas in air cavity is constantly extracted out in closed container, after ebullator circulation, again from the second air intake opening of closed container bottom, enter in closed container, through repeatedly obtaining saturated sulfur hexafluoride water vapor after circulation in the air cavity of closed container top; Open the 7th valve and the 9th valve, with vacuum pump, pipeline, verification chamber (the 7th valve and the 9th valve) are evacuated to specified vacuum tightness; Open the 5th valve, the 6th valve, the saturated sulfur hexafluoride water vapor that extracts certain volume in closed container enters in tank body from the first air intake opening, then opens the 3rd valve, in dry gas inject tank body, closes the 3rd valve while reaching set pressure; Start fan gas in tank body is mixed, with humidity sensor, Instrument for Pressure, the gas of preparing in tank body is detected, now complete the preparation of a kind of humidity sulfur hexafluoride gas under this pressure.If configure other humidity sulfur hexafluoride gas under this pressure, then extract the saturated sulfur hexafluoride water vapor of certain volume in closed container, be injected in tank body, make the saturated sulfur hexafluoride water vapor of different humidity.
2, when the sulfur hexafluoride gas of preparation different pressures different humidity, first after filling with water in closed container, close the 4th valve, power-on, to heating liquid in closed container to 50 ℃ of design temperatures; Open the first valve, source of the gas enters closed container through pressure-reducing filter by pressure decreased to the first pressure and after filtering, on closed container top, form air cavity, in closed container, liquid level, higher than aeration head, temperature sensor and electric heating tube, and makes water temperature be controlled at design temperature; ON cycle pump, gas in air cavity is constantly extracted out in closed container, after ebullator circulation, again from the second air intake opening of closed container bottom, enter in closed container, through repeatedly obtaining saturated sulfur hexafluoride water vapor after circulation in the air cavity of closed container top; Open the 7th valve and the 9th valve, with vacuum pump, pipeline, verification chamber (the 7th valve and the 9th valve) are evacuated to specified vacuum tightness; Open the 5th valve, the 6th valve, the saturated sulfur hexafluoride water vapor that extracts certain volume in closed container enters in tank body from the first air intake opening, then opens the 3rd valve, in dry gas inject tank body, closes the 3rd valve while reaching set pressure; Start fan gas in tank body is mixed, with humidity sensor, Instrument for Pressure, the gas of preparing in tank body is detected, now complete the preparation of a kind of humidity sulfur hexafluoride gas under this pressure.If configure different humidity sulfur hexafluoride gas under other pressure, need be set pressure by sulfur hexafluoride gas pressure decompression in source of the gas, the saturated sulfur hexafluoride water vapor that extracts again certain volume in closed container, is injected in tank body, makes the saturated sulfur hexafluoride water vapor of different humidity.
Compared with prior art, its advantage is the utility model:
1, can prepare the sulfur hexafluoride gas of many indexes.With depressing different humidity sulfur hexafluoride gas compound method, be: get after the saturated sulfur hexafluoride water vapor of certain volume fully mixes with dry gas and obtain certain humidity gas, by repeatedly injecting saturated sulfur hexafluoride water vapor, obtain the sulfur hexafluoride gas of different humidity; The compound method of different pressures different humidity sulfur hexafluoride gas is under level pressure on different humidity sulfur hexafluoride gas compound method basis, by the pressure differential between adjustment water tank and closed container, be capable of regulating level pressure pressure, the sulfur hexafluoride gas of preparation different pressures different humidity.
2, by the magnetic connecting shaft stirrer being built in tank body, mix, to guarantee other homogeneity, shorten the test duration, can guarantee the sealing in verification chamber simultaneously.
3, adopt mirror surface type sulfur hexafluoride humidity sensor, RC sulfur hexafluoride humidity and compactibility sensor to carry out humidity pressure monitoring to the different pressures different humidity gas of preparation, precision is high, reproducible.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1, source of the gas 2, pressure-reducing filter 3, the first valve 4, vacuum pump 5, linear electric motors 6, cylinder 7, tank body 8, mirror surface type sulfur hexafluoride humidity sensor 9, RC sulfur hexafluoride humidity and compactibility sensor 10, motor 11, magnetic shaft coupling 12, fan 13, safety valve 14, tensimeter 15, vacuum meter 16, the first air intake opening 17, the first gas outlet 18, adapter 19, the first four-way 20, the 8th valve 21, dew point hygrometer 22, electric heating tube 23, closed container 24, ebullator 25, aeration head 26, water tank 27, temperature sensor 28, the second air intake opening 29, the mouth of a river 30, the second valve 31, the second gas outlet 32, the 3rd valve 33, the second four-way 34, the 7th valve 35, the 4th valve 36, the 5th valve 37, threeway 38, the 6th valve 39, the 9th valve
Embodiment
1 pair of the utility model content is described in further detail below by way of embodiments and drawings.
Standard degree pick-up unit comprises tank body 7, mirror surface type sulfur hexafluoride humidity sensor 8, RC sulfur hexafluoride humidity and compactibility sensor 9, motor 10, magnetic shaft coupling 11 and be arranged on the fan 12 in tank body 7, wherein tank body 7 is provided with safety valve 13, tensimeter 14, vacuum meter 15, the first air intake opening 16, the first gas outlet 17 and 4 are for installing the adapter 18 of sulfur hexafluoride humidity sensor to be detected, each adapter 18 is equipped with external thread with the link of tank body 7, both are threaded through sealing gasket 34, adapter 18 is provided with internal thread with the link of sulfur hexafluoride humidity sensor to be detected, both are threaded by sealed tube.The first air intake opening 16 connects the first end of the first four-way 19, mirror surface type sulfur hexafluoride humidity sensor 8 and RC sulfur hexafluoride humidity and compactibility sensor 9 are installed on tank body 7 inwalls, the first gas outlet 17 connects dew point hygrometer 21 through the 8th valve 20, magnetic shaft coupling 11 is inlaid on tank body 7, the outer rotor of magnetic shaft coupling 11 is connected with the output shaft of motor 10, and internal rotor is fixedly connected with fan 12;
Saturated steam generator comprises closed container 23, ebullator 24, aeration head 25, water tank 26 and the temperature sensor 27 that is provided with electric heating tube 22, wherein electric heating tube 22 is arranged on the latter half of closed container 23, the bottom of closed container 23 is provided with the second air intake opening 28 and the mouth of a river 29, temperature sensor 27 is arranged on the bottom in closed container 23, aeration head 25 is arranged in closed container 23 and is communicated with the second air intake opening 28, the mouth of a river 29 is provided with the second valve 30, and is communicated with water tank 26 bottoms; The second air intake opening 28 is successively through being provided with the pipeline communication source of the gas 1 of the first valve 3 and pressure-reducing filter 2, connecing the second end of the first four-way 19 through the first valve 3 and the 3rd valve 32 successively, and through ebullator 24, connects the 4th end of the second four-way 33; The first end of the second four-way 33 is communicated with second gas outlet at closed container 23 tops, the second end connects atmosphere through being provided with the gas exhaust duct of the 4th valve 35, the 3rd end connects the first end of threeway 37 through the 5th valve 36, the second end of threeway 37 is communicated with cylinder 6, the three ends and through the 6th valve 38, is communicated with the 3rd end of the first four-way 19; The 4th end of the first four-way 19 is communicated with vacuum pump 4 through the 7th valve 34; The piston rod of cylinder 6 is fixedly connected with the output terminal of linear electric motors 5.
Claims (4)
1. a band is depressed the verification platform of sulfur hexafluoride gas humidity sensor, comprise saturated steam generator, source of the gas (1), the pressure-reducing filter (2) with functions/drying, source of the gas (1) outlet is successively through pressure-reducing filter (2), the first valve (3) connects second air intake opening (28) of saturated steam generator, it is characterized in that: set up vacuum pump (4), cylinder (6) and standard degree pick-up unit that linear electric motors (5) drive, wherein standard degree pick-up unit comprises tank body (7), mirror surface type sulfur hexafluoride humidity sensor (8), RC sulfur hexafluoride humidity and compactibility sensor (9), motor (10), magnetic shaft coupling (11) and be arranged on the fan (12) in tank body (7), wherein tank body (7) is provided with safety valve (13), tensimeter (14), vacuum meter (15), the first air intake opening (16), the first gas outlet (17) and for the adapter (18) of sulfur hexafluoride humidity sensor to be detected is installed, the first air intake opening (16) connects the first end of the first four-way (19), mirror surface type sulfur hexafluoride humidity sensor (8) and RC sulfur hexafluoride humidity and compactibility sensor (9) are installed on tank body (7) inwall, the first gas outlet (17) connects dew point hygrometer (21) through the 8th valve (20), magnetic shaft coupling (11) is inlaid on tank body (7), the outer rotor of magnetic shaft coupling (11) is connected with the output shaft of motor (10), internal rotor is fixedly connected with fan (12),
Saturated steam generator comprises closed container (23), ebullator (24), aeration head (25), water tank (26) and the temperature sensor (27) that is provided with electric heating tube (22), wherein the bottom of closed container (23) is provided with the second air intake opening (28) and the mouth of a river (29), temperature sensor (27) is arranged on the bottom in closed container (23), aeration head (25) is arranged in closed container (23) and is communicated with the second air intake opening (28), the mouth of a river (29) is provided with the second valve (30), and is communicated with water tank (26) bottom; The second air intake opening (28) is successively through being provided with the pipeline communication source of the gas (1) of the first valve (3) and pressure-reducing filter (2), connecing the second end of the first four-way (19) through the first valve (3) and the 3rd valve (32) successively, and through ebullator (24), connects the 4th end of the second four-way (33); The first end of the second four-way (33) is communicated with second gas outlet at closed container (23) top, the second end connects atmosphere through being provided with the gas exhaust duct of the 4th valve (35), the 3rd end connects the first end of threeway (37) through the 5th valve (36), the second end of threeway (37) is communicated with cylinder (6), and the 3rd end is communicated with the 3rd end of the first four-way (19) through the 6th valve (38); The 4th end of the first four-way (19) is communicated with vacuum pump (4) through the 7th valve (34); The piston rod of cylinder (6) is fixedly connected with the output terminal of linear electric motors (5).
2. a kind of band according to claim 1 is depressed the verification platform of sulfur hexafluoride gas humidity sensor, it is characterized in that: the interface that sulfur hexafluoride humidity sensor to be detected is installed is 2-4, each adapter (18) is equipped with external thread with the link of tank body (7), both are threaded through sealing gasket (34), adapter (18) is provided with internal thread with the link of sulfur hexafluoride humidity sensor to be detected, and both are threaded by sealed tube.
3. a kind of band according to claim 1 is depressed the verification platform of sulfur hexafluoride gas humidity sensor, it is characterized in that: electric heating tube (22) is arranged on the latter half of closed container (23).
4. a kind of band according to claim 1 is depressed the verification platform of sulfur hexafluoride gas humidity sensor, it is characterized in that: water tank (26) is 0.5 meter with the difference in height of closed container (23).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388962.4U CN204007679U (en) | 2014-07-15 | 2014-07-15 | A kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor |
| PCT/CN2014/095811 WO2016008273A1 (en) | 2014-07-15 | 2014-12-31 | Checking platform for sulfur hexafluoride gas humidity sensor under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388962.4U CN204007679U (en) | 2014-07-15 | 2014-07-15 | A kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204007679U true CN204007679U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388962.4U Withdrawn - After Issue CN204007679U (en) | 2014-07-15 | 2014-07-15 | A kind of band is depressed the verification platform of sulfur hexafluoride gas humidity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204007679U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061955A (en) * | 2014-07-15 | 2014-09-24 | 国家电网公司 | Verification platform for sulfur hexafluoride gas humidity sensor under pressure |
| CN104950078A (en) * | 2015-06-04 | 2015-09-30 | 西安交通大学 | Flow wet steam humidity probe calibration device and method |
| WO2016008273A1 (en) * | 2014-07-15 | 2016-01-21 | 国家电网公司 | Checking platform for sulfur hexafluoride gas humidity sensor under pressure |
| CN105758990A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Calibration system used for SF6 gas micro-water content detector in GIS |
-
2014
- 2014-07-15 CN CN201420388962.4U patent/CN204007679U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061955A (en) * | 2014-07-15 | 2014-09-24 | 国家电网公司 | Verification platform for sulfur hexafluoride gas humidity sensor under pressure |
| WO2016008273A1 (en) * | 2014-07-15 | 2016-01-21 | 国家电网公司 | Checking platform for sulfur hexafluoride gas humidity sensor under pressure |
| CN105758990A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Calibration system used for SF6 gas micro-water content detector in GIS |
| CN105758990B (en) * | 2014-12-17 | 2018-01-19 | 国家电网公司 | A kind of calibration system for being used for SF6 gas micro water content detectors in GIS |
| CN104950078A (en) * | 2015-06-04 | 2015-09-30 | 西安交通大学 | Flow wet steam humidity probe calibration device and method |
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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: 20141210 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |