CN205982163U - Sulfur hexafluoride gas humidity , purity and decomposition product integrated analysis appearance - Google Patents
Sulfur hexafluoride gas humidity , purity and decomposition product integrated analysis appearance Download PDFInfo
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- CN205982163U CN205982163U CN201620981014.0U CN201620981014U CN205982163U CN 205982163 U CN205982163 U CN 205982163U CN 201620981014 U CN201620981014 U CN 201620981014U CN 205982163 U CN205982163 U CN 205982163U
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- air chamber
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Abstract
Sulfur hexafluoride gas humidity, purity and decomposition product integrated analysis appearance is including intake pipe, humidity detection air chamber, purity detection air chamber, analyte detection air chamber and blast pipe, the air inlet of intake pipe is equipped with quick -operation joint, follows airflow direction in the intake pipe and is equipped with surge damping valve and governing valve in proper order, and the gas outlet of intake pipe is connected with the air inlet of humidity detection air chamber, purity detection air chamber and analyte detection air chamber respectively through three spinal branch intake pipe, and the air inlet of blast pipe is connected with the gas outlet of humidity detection air chamber, purity detection air chamber and analyte detection air chamber respectively through three spinal branch outlet ducts, is equipped with flow sensor and solenoid valve on the blast pipe. The utility model discloses simple structure, high, the good reliability of degree of automation, humidity, purity and the decomposition product gaseous the sulfur hexafluoride in the switch detect simultaneously, and detection efficiency is high, has gone on compensating with constant temperature to the detection of analyte, has improved the accuracy that detects.
Description
Technical field
This utility model belongs to sulfur hexafluoride gas detection technique field, more particularly, to a kind of sulfur hexafluoride gas humidity,
Purity and catabolite synthesis analyzer.
Background technology
Sulfur hexafluoride gas(SF6)In electrical equipment, SF6 gas humidity is that supervision one of equipment safety operation is important
Index.In sulfur hexafluoride gas, moisture is too high, not only seriously reduces the dielectric strength of equipment, and the presence of moisture also can
Promote decomposition under arcing for the SF6, and the hydrolysis of catabolite, this be constitution equipment built-in electrical insulation performance degradation and
The main cause of equipment corrosion.Additionally, if the moisture containing in SF6 is more, moisture may be in insulation meter when the temperature decreases
Face condenses into dew, reduces apparatus insulated, so the gas humidity in sulfur hexafluoride gas electrical equipment must strictly be controlled.
When high temperature, shelf depreciation or purity deficiency in device interior, SF6 will decompose, and produce hydrogen sulfide gas
(H2S), sulfur dioxide gas(SO2), CO (carbon monoxide converter) gas(CO)Deng toxic gas, make the decreasing insulating of electrical equipment.
In terms of China's quality supervision and control of sulfur hexafluoride gas in sulfur hexafluoride electrical equipment, according to《DL/T596-
1996 power equipment preventive trial codes》, the purity detecting of sulfur hexafluoride gas is a routine and necessary detection project.
Therefore, in power system, mainly pass through to detect SF6Gas humidity, purity and catabolite hydrogen sulfide gas, two
Sulfur oxide gas, carbon monoxide gas body burden to find in time, processing equipment internal flaw and fault.
The detector sold at present can only solely measure purity or catabolite, and the detector of simple function exists
In the application of scene, need frequently to change different instrumentations and just multiple parameters can be detected, then need during this frequently
Grafting vent line and ventilation, this not only complex operation, and be easily mixed into air, affect Detection results.
Utility model content
This utility model, in order to solve weak point of the prior art, provides one kind can detect sulfur hexafluoride gas simultaneously
The sulfur hexafluoride gas humidity of body humidity, purity and catabolite content, purity and catabolite synthesis analyzer.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that:Sulfur hexafluoride gas humidity, purity and
Catabolite synthesis analyzer, including air inlet pipe, Humidity Detection air chamber, purity detecting air chamber, decomposes analyte detection air chamber and aerofluxuss
Pipe;The air inlet of air inlet pipe is provided with snap joint, and air inlet pipe is sequentially provided with pressure maintaining valve and regulating valve, air inlet pipe along airflow direction
Gas outlet by three air inlet pipe respectively with Humidity Detection air chamber, purity detecting air chamber and the air inlet decomposing analyte detection air chamber
Mouthful connect, the air inlet of exhaustor by three expenditure tracheas respectively with Humidity Detection air chamber, purity detecting air chamber and analyte
The gas outlet of detection air chamber connects, and exhaustor is provided with flow transducer and electromagnetic valve;
It is provided with humidity sensor in Humidity Detection air chamber, in purity detecting air chamber, be provided with infrared gas sensor, analyte
It is provided with sulfur dioxide gas body sensor, these hydrogen sulfide gas sensor and CO gas sensor in detection air chamber;
Decomposition analyte detection air chamber is calorstat, and an air inlet pipe and an escape pipe are through calorstat and respectively and calorstat
It is provided with a construction identical sealing structure.
Calorstat includes internal box and outer case, is filled with glass cotton adiabator layer between internal box and outer case.
The sealing structure propped up between air inlet pipe and calorstat includes the first rubber sealing boot, the second rubber sealing boot and pressure
, all in semicircle cone structure, the first rubber sealing boot and the second rubber are close for plate, the first rubber sealing boot and the second rubber sealing boot
Big envelope docking is buckled into conical structure, and the center of the first rubber sealing boot and the second rubber sealing boot offers in the axial direction
Cylindrical hole, the external diameter of an internal diameter slightly smaller than air inlet pipe of cylindrical hole, pressing plate is provided with through hole, the tank wall of calorstat offers interior
The little outer perforation greatly in conical structure, the first rubber sealing boot and the second rubber sealing boot are arranged in perforation, and pressing plate passes through
Screw is located at outside the tank wall of calorstat, and air inlet pipe is located in cylinder in the hole and through through hole, the first rubber sealing boot and the
The outer face of two rubber sealing boots and pressing plate inner surface press fit.
Using technique scheme, snap joint is connected to the air vent of the sulfur hexafluoride gas being used for insulation in switch,
Or the sulfur hexafluoride gas in switch are extracted in gas tank, are connected with snap joint by gas tank, sulfur hexafluoride gas first pass through
The voltage stabilizing of pressure maintaining valve, then pressure is adjusted further by pressure regulator valve, sulfur hexafluoride gas are had respectively entered by three air inlet pipe
In Humidity Detection air chamber, purity detecting air chamber and decomposition analyte detection air chamber, humidity sensor is to humidity in the middle of sulfur hexafluoride gas
Detected, infrared gas sensor detects to the purity of sulfur hexafluoride gas, sulfur dioxide gas body sensor, hydrogen sulfide
Sulfur dioxide gas that gas sensor and CO gas sensor decompose out to sulfur hexafluoride gas respectively, hydrogen sulfide
Gas and CO (carbon monoxide converter) gas are detected.Humidity sensor, infrared gas sensor, sulfur dioxide gas body sensor, sulfuration
Hydrogen body sensor and CO gas sensor are connected on computer by holding wire respectively, through the place of computer software
Reason, shows, on the display that computer connects, the numerical value detecting each index, and these numerical value is analyzed, so
Just can learn whether the sulfur hexafluoride gas in switch leak or decompose, so that hidden danger is eliminated in bud, raising sets
The safety of received shipment row and seriality.After having detected, electromagnetic valve is opened, and gas is discharged by exhaustor, and flow transducer monitors
Gas flow, whole discharges for confirmation.
Sulfur dioxide gas body sensor, these hydrogen sulfide gas sensor and CO gas sensor belong to electrochemistry and pass
Sensor, electrochemical sensor has the advantages that certainty of measurement height, detection speed are fast, highly reliable, but it is notable to there is temperature impact
Shortcoming it is therefore desirable to carrying out temperature-compensating and guarantee to detect under temperature constant state to decomposing analyte detection air chamber.Carry out under constant temperature
Detection adopts calorstat, and the heater of calorstat is prior art, repeats no more.
Prop up air inlet pipe, expenditure trachea one construction identical sealing structure of setting, sealing structure and calorstat between respectively
Play excellent sealing effect, it is to avoid the heat in calorstat is excessive, the effect of impact detection.Turning screw makes pressing plate press first
Boring close on calorstat so can be obtained more tight by rubber sealing boot and the second rubber sealing boot.First rubber is close
The internal diameter that the center of big envelope and the second rubber sealing boot offers cylindrical hole in the axial direction arranges different sizes, cylindrical hole
Internal diameter to the external diameter that should be less than an air inlet pipe, an escape pipe, so can make the first rubber sealing boot and the second rubber seal respectively
The inwall covering is in close contact the reliability it is ensured that sealing with the outer wall of an air inlet pipe, an escape pipe.
Calorstat includes internal box, glass cotton adiabator layer and outer case three-decker and makes, and so can improve constant temperature
The heat-insulating property of case, reducing energy consumption.
In sum, this utility model structure is simple, high degree of automation, highly reliable, the sulfur hexafluoride in switch
The humidity of gas, purity and catabolite are detected simultaneously, and detection efficiency is high, and the detection to analyte has carried out constant temperature benefit
Repay, improve the degree of accuracy of detection.
Brief description
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation decomposing analyte detection air chamber in Fig. 1
Fig. 3 is the enlarged drawing at A in Fig. 2.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, sulfur hexafluoride gas humidity of the present utility model, purity and catabolite total score
Analyzer, including air inlet pipe 1, Humidity Detection air chamber 2, purity detecting air chamber 3, decomposes analyte detection air chamber 4 and exhaustor 5;Air inlet pipe 1
Air inlet be provided with snap joint 6, air inlet pipe 1 is sequentially provided with pressure maintaining valve 7 and regulating valve 8 along airflow direction, the going out of air inlet pipe 1
QI KOU is by the air inlet with Humidity Detection air chamber 2, purity detecting air chamber 3 and decomposition analyte detection air chamber 4 respectively of three air inlet pipe 9
Mouthful connect, the air inlet of exhaustor 5 by three escape pipes 10 respectively with Humidity Detection air chamber 2, purity detecting air chamber 3 and point
The gas outlet of solution analyte detection air chamber 4 connects, and exhaustor 5 is provided with flow transducer 11 and electromagnetic valve 12.
It is provided with humidity sensor 13 in Humidity Detection air chamber 2, in purity detecting air chamber 3, be provided with infrared gas sensor 14,
Decompose and in analyte detection air chamber 4, be provided with sulfur dioxide gas body sensor 15, these hydrogen sulfide gas sensor 16 and CO (carbon monoxide converter) gas biography
Sensor 17.
Decomposition analyte detection air chamber 4 is calorstat, air inlet pipe 9 and an escape pipe 10 pass through calorstat and respectively with calorstat
Between be provided with one construction identical sealing structure 25.
Calorstat includes internal box 18 and outer case 19, is filled with glass cotton thermal insulating material between internal box 18 and outer case 19
The bed of material 20.
The sealing structure 25 propped up between air inlet pipe 9 and calorstat includes the first rubber sealing boot 21, the second rubber sealing boot
22 and pressing plate 23, the first rubber sealing boot 21 and the second rubber sealing boot 22 all in semicircle cone structure, the first rubber sealing boot
21 and the second rubber sealing boot 22 docking be buckled into conical structure, the first rubber sealing boot 21 and the second rubber sealing boot 22
Center offers cylindrical hole, the external diameter of an internal diameter slightly smaller than air inlet pipe 9 of cylindrical hole in the axial direction, and pressing plate 23 is provided with logical
Hole, the tank wall of calorstat offers the inner small and outside big perforation in conical structure, the first rubber sealing boot 21 and the second rubber
Sealing shroud 22 is arranged in perforation, and pressing plate 23 is located at outside the tank wall of calorstat by screw 24, and an air inlet pipe 9 is located in cylinder
In the hole simultaneously passes through through hole, and the outer face of the first rubber sealing boot 21 and the second rubber sealing boot 22 is crimped with pressing plate 23 inner surface joins
Close.
Snap joint 6 be connected in switch be used for insulation sulfur hexafluoride gas air vent, or will switch in six
Sulfur fluoride gas is extracted in gas tank, is connected with snap joint 6 by gas tank, and sulfur hexafluoride gas first pass through the voltage stabilizing of pressure maintaining valve 7, then
Pressure is adjusted further by pressure regulator valve, sulfur hexafluoride gas by three air inlet pipe 9 have respectively entered Humidity Detection air chamber 2,
In purity detecting air chamber 3 and decomposition analyte detection air chamber 4, humidity sensor 13 detects to humidity in the middle of sulfur hexafluoride gas,
Infrared gas sensor 14 detects to the purity of sulfur hexafluoride gas, sulfur dioxide gas body sensor 15, hydrogen sulfide gas
Sulfur dioxide gas that sensor 16 and CO gas sensor 17 decompose out to sulfur hexafluoride gas respectively, hydrogen sulfide
Gas and CO (carbon monoxide converter) gas are detected.Humidity sensor 13, infrared gas sensor 14, sulfur dioxide gas body sensor
15th, these hydrogen sulfide gas sensor 16 and CO gas sensor 17 are connected on computer by holding wire respectively, Jing Guo electricity
The process of brain software, shows, on the display that computer connects, the numerical value detecting each index, and these numerical value is entered
Row analysis, thus can learn whether the sulfur hexafluoride gas in switch leak or decompose, so that hidden danger is eliminated in rudiment
State, improves safety and the seriality that equipment runs.After having detected, electromagnetic valve 12 is opened, and gas is discharged by exhaustor 5,
Flow transducer 11 monitors gas flow, whole discharges for confirmation.
Sulfur dioxide gas body sensor 15, these hydrogen sulfide gas sensor 16 and CO gas sensor 17 belong to electricity
Chemical sensor, electrochemical sensor has the advantages that certainty of measurement height, detection speed are fast, highly reliable, but there is temperature shadow
Ringing significant shortcoming guarantees to detect under temperature constant state it is therefore desirable to carry out temperature-compensating to decomposition analyte detection air chamber 4.Constant temperature
Under carry out detection and adopt calorstat, the heater of calorstat is prior art, repeats no more.
Prop up one construction identical sealing structure 25 of setting, the sealing and calorstat between respectively of air inlet pipe 9, an escape pipe 10
Structure 25 plays excellent sealing effect, it is to avoid the heat in calorstat is excessive, the effect of impact detection.Turning screw 24 makes pressing plate
23 press the first rubber sealing boot 21 and the second rubber sealing boot 22, so can obtain the boring close on calorstat tighter
Real.The internal diameter that the center of the first rubber sealing boot 21 and the second rubber sealing boot 22 offers cylindrical hole in the axial direction is arranged not
Same size, the internal diameter of cylindrical hole, respectively to the external diameter that should be less than an air inlet pipe 9, an escape pipe 10, so can make the first rubber
The inwall of sealing shroud 21 and the second rubber sealing boot 22 is in close contact it is ensured that sealing with the outer wall of an air inlet pipe 9, an escape pipe 10
Reliability.
Calorstat includes internal box 18, glass cotton adiabator layer 20 and outer case 19 three-decker and makes, and so can carry
The heat-insulating property of high calorstat, reducing energy consumption.
The present embodiment not makees any pro forma restriction, every foundation to shape of the present utility model, material, structure etc.
Any simple modification, equivalent variations and modification that technical spirit of the present utility model is made to above example, belong to this reality
Protection domain with new technique scheme.
Claims (3)
1. sulfur hexafluoride gas humidity, purity and catabolite synthesis analyzer it is characterised in that:Including air inlet pipe, humidity inspection
Survey air chamber, purity detecting air chamber, decompose analyte detection air chamber and exhaustor;The air inlet of air inlet pipe is provided with snap joint, air inlet pipe
On be sequentially provided with pressure maintaining valve and regulating valve along airflow direction, the gas outlet of air inlet pipe is examined with humidity respectively by three air inlet pipe
Survey air chamber, purity detecting air chamber and the air inlet connection decomposing analyte detection air chamber, the air inlet of exhaustor passes through three and gives vent to anger
Pipe is connected with the gas outlet of Humidity Detection air chamber, purity detecting air chamber and decomposition analyte detection air chamber respectively, and exhaustor is provided with stream
Quantity sensor and electromagnetic valve;
It is provided with humidity sensor in Humidity Detection air chamber, in purity detecting air chamber, is provided with infrared gas sensor, decompose analyte detection
It is provided with sulfur dioxide gas body sensor, these hydrogen sulfide gas sensor and CO gas sensor in air chamber;
Decomposition analyte detection air chamber is calorstat, and an air inlet pipe and an escape pipe are provided with through calorstat and respectively and calorstat
One construction identical sealing structure.
2. sulfur hexafluoride gas humidity according to claim 1, purity and catabolite synthesis analyzer, its feature exists
In:Calorstat includes internal box and outer case, is filled with glass cotton adiabator layer between internal box and outer case.
3. sulfur hexafluoride gas humidity according to claim 1, purity and catabolite synthesis analyzer, its feature exists
In:Sealing structure between air inlet pipe and calorstat includes the first rubber sealing boot, the second rubber sealing boot and pressing plate, and first
, all in semicircle cone structure, the first rubber sealing boot and the second rubber sealing boot dock for rubber sealing boot and the second rubber sealing boot
It is buckled into conical structure, the center of the first rubber sealing boot and the second rubber sealing boot offers cylindrical hole in the axial direction,
The external diameter of the internal diameter of a cylindrical hole slightly smaller than air inlet pipe, pressing plate is provided with through hole, the tank wall of calorstat offers inner small and outside big
Perforation in conical structure, the first rubber sealing boot and the second rubber sealing boot are arranged in perforation, and pressing plate is set by screw
Outside the tank wall of calorstat, an air inlet pipe is located in cylinder in the hole and passes through through hole, the first rubber sealing boot and the second rubber
The outer face of sealing shroud and pressing plate inner surface press fit.
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CN201620981014.0U CN205982163U (en) | 2016-08-30 | 2016-08-30 | Sulfur hexafluoride gas humidity , purity and decomposition product integrated analysis appearance |
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CN201620981014.0U CN205982163U (en) | 2016-08-30 | 2016-08-30 | Sulfur hexafluoride gas humidity , purity and decomposition product integrated analysis appearance |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110672277A (en) * | 2019-10-10 | 2020-01-10 | 国网重庆市电力公司电力科学研究院 | SF6 gas field comprehensive detection system and method |
CN113092679A (en) * | 2021-04-01 | 2021-07-09 | 国网陕西省电力公司电力科学研究院 | Analysis sensor for sulfur hexafluoride decomposition products and detection method thereof |
-
2016
- 2016-08-30 CN CN201620981014.0U patent/CN205982163U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110672277A (en) * | 2019-10-10 | 2020-01-10 | 国网重庆市电力公司电力科学研究院 | SF6 gas field comprehensive detection system and method |
CN113092679A (en) * | 2021-04-01 | 2021-07-09 | 国网陕西省电力公司电力科学研究院 | Analysis sensor for sulfur hexafluoride decomposition products and detection method thereof |
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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: 20170222 Termination date: 20190830 |
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CF01 | Termination of patent right due to non-payment of annual fee |