CN103776774B - A kind of sulfur hexafluoride gas sampling spectrum detection device - Google Patents
A kind of sulfur hexafluoride gas sampling spectrum detection device Download PDFInfo
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- CN103776774B CN103776774B CN201410026487.0A CN201410026487A CN103776774B CN 103776774 B CN103776774 B CN 103776774B CN 201410026487 A CN201410026487 A CN 201410026487A CN 103776774 B CN103776774 B CN 103776774B
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Abstract
The invention discloses a kind of sulfur hexafluoride gas sampling spectrum detection device, take gas joint, flow regulator, spectral detection pond and waste gas collection device including be sequentially communicated；Take and be provided with pneumatic filter between gas joint and flow regulator；Flow regulator includes flow control valve, effusion meter and the piezometer being sequentially connected with, and wherein, is provided with air relief valve between flow control valve and pneumatic filter, and effusion meter is connected with piezometer by the first valve, and piezometer connects with described spectral detection pond；Spectral detection pond is provided with humidity detector, and spectral detection pond passes sequentially through the second valve and the first vacuum pump is connected with waste gas collection device.The invention provides a kind of sulfur hexafluoride gas sampling spectrum detection device, gas sample and gas detecting can be united two into one, can avoid secondary pollution by this device, it is possible to improving accuracy of detection, its desired gas amount is little and can be precisely controlled gas flow.
Description
Technical field
The present invention relates to gas sample and the detection equipment of power industry, particularly relate to a kind of sulfur hexafluoride gas sampling light
Spectrum detection device.
Background technology
The sampling of existing sulfur hexafluoride gas and detection are carried out separately, and are usually and first take in gaseous environment
Sample, then takes out the sulfur hexafluoride gas that sampling obtains from sampling equipment and is stored in other holding vessel, enter at needs
When gaseous sample is detected by row, then the sulfur hexafluoride gas sample in holding vessel is extracted and is input in analyser, no
Only complex procedures, and sulfur hexafluoride gas is from being sampled to analysis, and centre needs to experience repeatedly to be extracted and stores, the most easily will outward
Other gas and moisture etc. in boundary's environment take in gas sampled, cause secondary pollution, badly influence sulfur hexafluoride gas
Accuracy of detection.It addition, existing sulfur hexafluoride gas detection equipment desired gas amount is big, and to gas flow during detection
Can not accurately control.
Summary of the invention
The technical problem to be solved in the present invention is, for sulfur hexafluoride gas sampling in prior art and gas detecting
Complex procedures, easily cause that secondary pollution, accuracy of detection are low, desired gas amount big and can not be precisely controlled that gas flow etc. is above-mentioned to be lacked
Fall into, it is provided that gas sample and gas detecting are united two into one, can avoid secondary pollution, can improve accuracy of detection, required gas by one
The scale of construction little and can be precisely controlled gas flow sulfur hexafluoride gas sampling spectrum detection device.
The technical solution adopted for the present invention to solve the technical problems is: a kind of sulfur hexafluoride gas sampling spectral detection dress
Put, take gas joint, flow regulator, spectral detection pond and waste gas collection device including be sequentially communicated；
Take and be provided with pneumatic filter between gas joint and flow regulator；
Flow regulator includes flow control valve, effusion meter and the piezometer being sequentially connected with, wherein, flow control valve with
Being provided with air relief valve between pneumatic filter, effusion meter is connected with piezometer by the first valve, and piezometer is examined with described spectrum
Survey pond connects；
Spectral detection pond is provided with humidity detector, and spectral detection pond passes sequentially through the second valve and the first vacuum pump
It is connected with waste gas collection device.
In technical scheme of the present invention, described sulfur hexafluoride gas sampling spectrum detection device includes being sequentially communicated
Take gas joint, flow regulator, spectral detection pond and waste gas collection device；Wherein, gas joint is taken to be detected for gathering
Gaseous sample；This gaseous sample is being directly inputted to light after the filtration of pneumatic filter under the control of flow regulator
In spectrum detection cell, particularly as follows: in flow regulator, effusion meter and piezometer are worked along both lines so that enter spectral detection pond
In the pressure of gas flow remain at 1 normal atmosphere, i.e. achieve and gas flow be precisely controlled, the most also can keep away
Exempt from spectral detection pond and cause deviation because of flowed fluctuation, greatly improve described sulfur hexafluoride gas sampling spectrum detection device
Accuracy of detection.
Above-mentioned gas sample directly carries out detection after being input in spectral detection pond and analyzes, after detection being analyzed the most again
Gas be input in waste gas collection device under the effect of vacuum pump, it is to avoid air pollution.
In sum, gas sample and gas are achieved at sulfur hexafluoride gas of the present invention sampling spectrum detection device
The integration of detection function, it is to avoid the secondary pollution that gas is hurried during repeatedly extracting and inputting, further increases
Accuracy of detection.
It addition, utilize sulfur hexafluoride gas of the present invention sampling spectrum detection device that sulfur hexafluoride gas is detected
During analysis, being to take to sample how many principles with how many, will not waste unnecessary gas sampled, such design decreases described
Gas flow needed for sulfur hexafluoride gas sampling spectrum detection device detection.
As a kind of improvement to technical scheme of the present invention, between spectral detection pond and the second valve, it is provided with buffering
Tank.Being designed with of surge tank helps the gas reducing the discharge of the spectral detection pond impact to the second valve.
As a kind of improvement to technical scheme of the present invention, spectral detection pond is the detection of infrared and ultraviolet complex spectrum
Pond.
As a kind of improvement to technical scheme of the present invention, waste gas collection device is connected by the second vacuum pump place
Reason device.Waste gas collection device collect spectral detection pond analyze complete sulfur hexafluoride gas time, it directly will not be arranged
Put, but sulfur hexafluoride gas is transported in processing means by the second vacuum pump, this processing means it is carried out without dirty
Dye processes, and such design decreases the discharge of sulfur hexafluoride gas, alleviates the pollution to environment.
In technical scheme of the present invention, air accumulator can be set between the second vacuum pump and processing means, to slow down
The gas impact to air accumulator；Also control valve can be set before air accumulator with processing means；Also can fill at above-mentioned gas sampling
Put and pressure transducer is set inside air accumulator, be respectively used to detect the gas pressure in waste gas collection device and air accumulator.When
Detecting when the gas pressure in waste gas collection device or air accumulator exceedes certain value, it is true that the control system separately set can open second
Empty pump or control valve, now the gas in waste gas collection device or air accumulator will be input in air accumulator or processing means；When
Detect that, when the gas pressure in waste gas collection device or air accumulator is not above certain value, the second vacuum pump or control valve are the most not
Can start, contribute to realizing automation mechanized operation.
As a kind of improvement to technical scheme of the present invention, humidity detector is humidity sensor.
It addition, in technical scheme of the present invention, all it is not specifically noted, all can be normal by use in this area
Rule means realize the technical program.
Therefore, the invention provides a kind of sulfur hexafluoride gas sampling spectrum detection device, this device can be by gas sample
Unite two into one with gas detecting, secondary pollution can be avoided, it is possible to improving accuracy of detection, its desired gas amount is little and can be precisely controlled
Gas flow.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of sulfur hexafluoride gas of the present invention sampling spectrum detection device；
Now by as follows for the label declaration in accompanying drawing: 1 for taking gas joint, and 2 is pneumatic filter, and 3 is flow regulator, 4
For air relief valve, 5 is flow control valve, and 6 is effusion meter, and 7 is the first valve, and 8 is piezometer, and 9 is spectral detection pond, and 10 is humidity
Detection device, 11 is the second valve, and 12 is the first vacuum pump, and 13 is waste gas collection device.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment one:
A kind of sulfur hexafluoride gas sampling spectrum detection device, as it is shown in figure 1, include that be sequentially communicated takes gas joint 1, gas
Body filter 2, flow regulator 3, spectral detection pond 9 and waste gas collection device 13.
Wherein, flow regulator 3 includes flow control valve 5, effusion meter 6 and piezometer 8, the Flow-rate adjustment being sequentially connected
Valve 5 is connected with above-mentioned gas filter 2 by air relief valve 4, and effusion meter 6 is connected with piezometer 8 by the first valve 7, and is somebody's turn to do
Piezometer 8 connects with above-mentioned spectral detection pond 9.
Above-mentioned spectral detection pond 9 is provided with humidity detector 10, and this spectral detection pond 9 passes sequentially through the second valve 11
It is connected with waste gas attachment means 13 with the first vacuum pump 12.
In the present embodiment, above-mentioned spectral detection pond 9 is infrared and ultraviolet complex spectrum detection cell, and can use humidity sensor
Device is as above-mentioned humidity detector 10.
Embodiment two:
The present embodiment is essentially identical with embodiment one, and the two difference is: at spectral detection pond 9 and the second valve 11
Between be provided with surge tank (not shown)；Above-mentioned waste gas collection device 13 passes sequentially through the second vacuum pump, air accumulator and control
Valve connects processing means (not shown).
It addition, in the present embodiment, pressure transducer can be respectively provided with in waste gas collection device 13 and air accumulator (in figure not
Display).When the gas pressure in above-mentioned pressure transducer detects waste gas collection device 13 or air accumulator exceedes certain value, separately
If control system can open the second vacuum pump or control valve, now the gas in waste gas collection device 13 or air accumulator will be defeated
Enter in air accumulator or processing means；When the gas pressure detected in waste gas collection device 13 or air accumulator is not above necessarily
During value, the second vacuum pump or control valve just will not start, and contribute to realizing automation mechanized operation.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (5)
1. sulfur hexafluoride gas sampling spectrum detection device, it is characterised in that include being sequentially communicated take gas joint (1),
Flow regulator (3), spectral detection pond (9) and waste gas collection device (13)；
Described taking is provided with pneumatic filter (2) between gas joint (1) and flow regulator (3)；
Described flow regulator (3) includes flow control valve (5), effusion meter (6) and the piezometer (8) being sequentially connected with, wherein,
Being provided with air relief valve (4) between described flow control valve (5) and pneumatic filter (2), described effusion meter (6) passes through the first valve
(7) it is connected with piezometer (8), and described piezometer (8) connects with described spectral detection pond (9)；
Described spectral detection pond (9) is provided with humidity detector (10), and described spectral detection pond (9) passes sequentially through the second valve
Door (11) is connected with described waste gas collection device (13) with the first vacuum pump (12).
Sulfur hexafluoride gas the most according to claim 1 sampling spectrum detection device, it is characterised in that described spectral detection
It is provided with surge tank between pond (9) and the second valve (11).
Sulfur hexafluoride gas the most according to claim 1 and 2 sampling spectrum detection device, it is characterised in that described spectrum
Detection cell (9) is infrared and ultraviolet complex spectrum detection cell.
Sulfur hexafluoride gas the most according to claim 1 sampling spectrum detection device, it is characterised in that described gas sampling
Device (13) is connected by the second vacuum pump processing means.
Sulfur hexafluoride gas the most according to claim 1 sampling spectrum detection device, it is characterised in that described Humidity Detection
Device (10) is humidity sensor.
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| CN201410026487.0A CN103776774B (en) | 2014-01-21 | 2014-01-21 | A kind of sulfur hexafluoride gas sampling spectrum detection device |
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| CN201410026487.0A CN103776774B (en) | 2014-01-21 | 2014-01-21 | A kind of sulfur hexafluoride gas sampling spectrum detection device |
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| CN103776774A CN103776774A (en) | 2014-05-07 |
| CN103776774B true CN103776774B (en) | 2016-08-17 |
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| CN104865217A (en) * | 2015-05-27 | 2015-08-26 | 吉林省电力科学研究院有限公司 | SF6 gas decomposition product analysis device based on Fourier transform |
| CN107101853A (en) * | 2017-05-12 | 2017-08-29 | 连云港市亿吉皮件厂 | Vacuum core sampler |
| CN112050084B (en) * | 2020-08-14 | 2023-09-01 | 广东冠电科技股份有限公司 | Gas collecting and sampling device |
| CN112578018B (en) * | 2020-11-24 | 2022-01-11 | 广东电网有限责任公司电力科学研究院 | Device and method for testing decomposition and composite characteristics of insulating gas |
| CN115877197B (en) * | 2022-12-17 | 2023-07-14 | 武汉杭久电气有限公司 | Detection device for circuit breaker |
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| EP0646781A2 (en) * | 1993-10-05 | 1995-04-05 | Siemens Aktiengesellschaft | Method and arrangement for examining the tightness of a gas withdrawing system of a gas analysing device |
| JPH11108809A (en) * | 1997-10-04 | 1999-04-23 | Horiba Ltd | Device for extracting constant-volume sample and gas analyzing method using the device |
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| CN201867324U (en) * | 2010-11-17 | 2011-06-15 | 郑州光力科技股份有限公司 | Sulfur hexafluoride (SF6) gas sampling detection device |
| CN103487293A (en) * | 2013-09-29 | 2014-01-01 | 河南省日立信股份有限公司 | On-line sampling and measuring system for high-voltage switch SF6 decomposition product |
| CN203772728U (en) * | 2014-01-21 | 2014-08-13 | 南京顺泰科技有限公司 | Sulfur hexafluoride gas sampling spectrum detection device |
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| EP0646781A2 (en) * | 1993-10-05 | 1995-04-05 | Siemens Aktiengesellschaft | Method and arrangement for examining the tightness of a gas withdrawing system of a gas analysing device |
| JPH11108809A (en) * | 1997-10-04 | 1999-04-23 | Horiba Ltd | Device for extracting constant-volume sample and gas analyzing method using the device |
| CN1851447A (en) * | 2006-05-18 | 2006-10-25 | 中国科学院安徽光学精密机械研究所 | High-sensistive SF6 large-range monitoring instrument based on laser spectrum method |
| CN101839959A (en) * | 2010-05-18 | 2010-09-22 | 蔡毅敏 | Method and device for locating electrical failure of SF6 equipment |
| CN201867324U (en) * | 2010-11-17 | 2011-06-15 | 郑州光力科技股份有限公司 | Sulfur hexafluoride (SF6) gas sampling detection device |
| CN103487293A (en) * | 2013-09-29 | 2014-01-01 | 河南省日立信股份有限公司 | On-line sampling and measuring system for high-voltage switch SF6 decomposition product |
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| CN103776774A (en) | 2014-05-07 |
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Address after: No. 2, Hengrun Road, Tangshan Street, Jiangning District, Nanjing, Jiangsu 210007 Patentee after: NANJING SHUNTAI TECHNOLOGY Co.,Ltd. Address before: No. 11 Daxiaochang Road, Nanjing City, Jiangsu Province, 210007 Patentee before: NANJING SHUNTAI TECHNOLOGY Co.,Ltd. |
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