CN207502451U - A kind of multi-channel type gas analyzer - Google Patents
A kind of multi-channel type gas analyzer Download PDFInfo
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- CN207502451U CN207502451U CN201721670427.8U CN201721670427U CN207502451U CN 207502451 U CN207502451 U CN 207502451U CN 201721670427 U CN201721670427 U CN 201721670427U CN 207502451 U CN207502451 U CN 207502451U
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Abstract
The utility model belongs to sulfur hexafluoride electrical equipment state-detection and fault diagnosis technology field more particularly to a kind of multi-channel type gas analyzer.The utility model includes：Air-channel system, detecting system, signal system and control system；Air-channel system is connect with detecting system pipeline；Air-channel system is connect with control system so that the mobility status of the gas of control system control air-channel system；Signal system is electrically connected with detecting system so that in the gas information conveyance to signal system that detecting system detects, and the testing result of output gas；Wherein, detecting system includes SO2F2Detection part, H2S detection parts, SO2Detection part and CO detection parts, SO2F2Detection part, H2S detection parts, SO2Detection part is connected with CO detection parts each other by air-channel system pipeline.The utility model solves the SF of the prior art6Electrical equipment gas decomposition product detection device lacks detection SO2F2The technological deficiency of function.
Description
Technical field
The utility model belongs to sulfur hexafluoride electrical equipment state-detection and fault diagnosis technology field more particularly to one kind
Multi-channel type gas analyzer.
Background technology
Sulfur hexafluoride (SF6) with its excellent insulation and arc extinction performance, it is widely used in high-tension electricity equipment, especially
It is to occupy leading position in 110kV aboves.With the rapid development of power industry, sulfur hexafluoride electrical equipment
Quantity is on the increase, and is become more and more important to the quality surveillance of sulfur hexafluoride gas.Pure sulfur hexafluoride gas is a kind of ideal
Dielectric, but under the effect of the factors such as electric arc, spark discharge, high temperature, sulfur hexafluoride gas easily ionizable decomposes, and decomposes production
Object reacts with moisture, the oxygen in electrical equipment, generates SO2、H2S, the acidic materials such as HF and SF4、SOF2、SF2、
SO2F2Etc. toxicity and the extremely strong substance of corrosivity.Research shows that the SF of electrical equipment is caused under different defect types6Decomposition product
Type, content, throughput rate, proportionate relationship etc. it is different, can be by detecting SF6The component of decomposition product, so as to judge
Failure cause, discharge level, state of development and degree of danger of electrical equipment etc..
At present, for SF6The detection method of electrical equipment gas mainly includes Site Detection method, takes gas cylinder sampling experimental room
Analysis method based on analytic approach.Gas cylinder sampling experimental room analytic approach is wherein taken due to SF in the process6Gas decomposition product is easily sent out
Solution estranged or hydrolysis, and sampling equipment is in itself and sampling bottle may absorbed portion SF6Decomposition product leads to this method
Quantification accuracy is difficult to ensure that；Site Detection method mainly uses portable component detector, to sulfur hexafluoride electrical equipment gas
Body component is detected in real time, is current sulfur hexafluoride due to having the advantages that detection speed is fast, timeliness is high, easy to operate
The main method of electrical equipment gas detection.
Research shows that with the most close sulfur hexafluoride decomposition product packet of sulfur hexafluoride electrical equipment failure and state relation degree
Include H2S、SO2F2、SO2, the gas components such as CO.Electric power netting safe running regulation is to SF6The security performance requirement of electrical equipment is high.Office
Portion's electric discharge may cause apparatus insulated damage, and there are very big security risks.SO2F2It is SF6Gas decomposes and that complicated chemical occurs is anti-
Should after important component, but currently for sulfur hexafluoride gas detection portable field detector mainly for H2S、SO2And CO
Three component instruments, there is no with detection SO2F2In-situs tester.However SO2F2It is SF6Gas decomposes and complicated chemical occurs
Important component after reaction, presence and content are the important indicators of failure judgement type and severe degree of discharging, however mesh
Before there is no equipment that can detect SO2F2。
Based on this, to adapt to SF6The needs of electrical equipment detection, urgent need exploitation is a set of to detect SO2F2SF6Gas is just
Formula detection analysis instrument is taken, is being ensured to SF6Gas is convenient, efficient acquisition when, while can precise and high efficiency judge can in equipment
The discharge fault type and degree of discharge that can occur, maintenance and state analysis for equipment provide strong scientific basis.
Utility model content
In view of this, this patent is intended to provide a kind of multi-channel type gas analyzer, for solving the SF of the prior art6Electricity
Gas equipment gas decomposition product detection device lacks detection SO2F2The technological deficiency of function.
The utility model additionally provides a kind of multi-channel type gas analyzer, including：Air-channel system, detecting system, signal
System and control system；The air-channel system is connect with the control system so that the control system controls the gas circuit system
The mobility status of the gas of system；The air-channel system is connect with the detecting system pipeline；Wherein, the detecting system includes
SO2F2Detection part, H2S detection parts, SO2Detection part and CO detection parts, the SO2F2Detection part, the H2S is detected
Component, the SO2Detection part is connected with the CO detection parts each other by the air-channel system pipeline；The signal system
It is electrically connected with the detecting system so that the signal system obtains the gas information that the detecting system detects, and defeated
Go out the testing result of gas.
Preferably, the air-channel system includes admission line, outlet pipe and inner gas tube；The admission line
It is connect with the air inlet of the multi-channel type gas analyzer；The outlet pipe goes out with the multi-channel type gas analyzer
Gas port connects；The SO2F2Detection part, the H2S detection parts, the SO2Detection part and the CO detection parts are mutual
It is connected by the inner gas tube.
Preferably, the air-channel system further includes pressure gauge and recycling gas cylinder；
The pressure gauge is connect with tested gas；
The recycling gas cylinder is connect with the outlet pipe so that the tested gas of recycling gas cylinder recycling.
Preferably, the detecting system further includes redundant detection unit interface, for the standby of connecting detection other gases
Use detection part.
Preferably, other described gases are H2、CO2、CF4、SOF2Or COS.
Preferably, the control system includes gas flow valve and gas flow controller；
The gas flow valve is arranged on the admission line and the outlet pipe, the gas flow controller with
The gas flow valve connection so that gas flow controller controls the gas of the air-channel system by the gas flow valve
Mobility status.
Preferably, the SO2F2Detection part includes SO2F2Electrochemical sensor；
The SO2F2Electrochemical sensor includes detection SO2F2Electrolyte, electrode, ventilated membrane and filter；
The electrode is specially three-electrode system；The detection SO2F2Electrolyte connect with the three-electrode system；
The detection SO2F2Electrolyte connect by the filter with the ventilated membrane.
Preferably, the signal system includes SO2F2Signal processor；
The SO2F2Signal processor and the SO2F2Detection part is electrically connected so that the SO2F2Signal processor obtains
Obtain the SO2F2The SO of detection part2F2Electric signal, and by the SO2F2Electric signal is converted into identifiable electric signal and sends
To terminal.
Preferably, the terminal is computer or/and display.
Preferably, the H2S detection parts, the SO2Detection part and the CO detection parts are respectively H2S electrifications
Learn sensor, electrochemical sensor, SO2Electrochemical sensor, CO electrochemical sensors.
The utility model includes：Air-channel system, detecting system, signal system and control system；The detecting system includes
SO2F2Detection part, H2S detection parts, SO2Detection part and CO detection parts, the multi-channel type gas analysis of the utility model
Instrument can test and analyze SO simultaneously2F2、H2S、SO2With the content of tetra- kinds of gases of CO, SO2F2Detection part is sensed using electrochemical gas
Device, wherein, electrochemical gas sensor has that detection gas type is more, in high precision, high-resolution, concentration range is wide, it is small,
The advantages of price is low and measurement accuracy is higher, available for SF in field monitoring GIS6Gas is decomposed, is being ensured to SF6Gas convenience,
During efficient acquisition, while energy precise and high efficiency judges the discharge fault type and degree of discharge that may occur in equipment, is
The maintenance of equipment and state analysis provide strong scientific basis, ensure power equipment and network system safe and stable operation.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 shows the structural visual figure of multi-channel type gas analyzer；
Fig. 2 shows the application schematic diagram of multi-channel type gas analyzer；
Fig. 3 shows the structure chart of multi-channel type gas analyzer；
Fig. 4 shows the SO of multi-channel type gas analyzer2F2The structure chart of detection part；
Fig. 5 shows the SO of multi-channel type gas analyzer2F2The front view of the electrochemical sensor of detection part；
Fig. 6 shows the SO of multi-channel type gas analyzer2F2The vertical view of the electrochemical sensor of detection part；
Fig. 7 shows the SO of multi-channel type gas analyzer2F2The application circuit of detection part；
Wherein, reference numeral, multi-channel type gas analyzer 1 (air inlet 11, SO2F2Detection part 12, SO2Detection part
13、H2S detection parts 14, CO detection parts 15, redundant detection unit interface 16, gas outlet 17, inner gas tube 18), six
Sulfur fluoride decomposition product 2, recycling gas cylinder 3, pressure gauge 4, flow valve 5, SO2F2Electrochemical sensor A, SO of detection part2F2Inspection
Survey operational amplifier B, SO of component2F2Capacitance C, SO of detection part2F2The resistance D of detection part, air-channel system 1a, detection
System 1b, signal system 1c and control system 1d.
Wherein, SO2F2Detection part 12 includes SO2F2Electrochemical sensor sealing cover 120, the SO of detection part2F2Detection
Component inlet suction port 121, SO2F2Detection part air outlet adapter 122, SO2F2Detection part electrode tail end cover 123, SO2F2Test section
Part circuit board 124, SO2F2Detection part circuit board installation cup body 125, SO2F2Detection part sealing ring 126, SO2F2Detection part
React cup body 127, SO2F2128 (SO of electrochemical sensor2F2Electrochemical sensor 128 includes ventilated membrane 1281, filter
1282nd, SO is detected2F2Electrolyte 1283, electrochemical sensor wall 1284, counterelectrode 1285, working electrode 1286, reference electricity
Pole 1287, fixing device 1288), SO2F2The electrochemical sensor installation cup body 129 of detection part.
Specific embodiment
The utility model provides a kind of multi-channel type gas analyzer, for solving the SF of the prior art6Electrical equipment
Gas decomposition product detection device lacks detection SO2F2The technological deficiency of function.
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The range of the utility model protection.
Embodiment 1
Referring to Fig. 1, Fig. 1 shows the structural visual figure of multi-channel type gas analyzer, the present embodiment includes：Air-channel system
1a, detecting system 1b, signal system 1c and control system 1d；Air-channel system 1a is connect with control system 1d so that control system
The mobility status of the gas of 1d control air-channel systems 1a；Air-channel system 1a is connect with detecting system 1b pipelines；Wherein, detecting system
1b includes SO2F2Detection part 12, H2S detection parts 14, SO2Detection part 13 and CO detection parts 15, SO2F2Detection part
12、H2S detection parts 14, SO2Detection part 13 is connected with CO detection parts 15 each other by air-channel system 1a pipelines；Signal system
System 1c is electrically connected with detecting system 1b so that signal system 1c obtains the gas information that detecting system 1b is detected, and exports
The testing result of gas.
Embodiment 2
Referring to Fig. 2, Fig. 2 shows the application schematic diagram of multi-channel type gas analyzer, the present embodiment includes：Lithium sulphur content
Solution product 2 is connect by flow valve 5 with multi-channel type gas analyzer 1, multi-channel type gas analyzer 1 by flow valve 5 and
Recycling gas cylinder 3 connects；Sulfur hexafluoride decomposition product 2 is connect with pressure gauge 4.
Multi-channel type gas analyzer 1 includes：Air-channel system 1a, detecting system 1b, signal system 1c and control system 1d；
Air-channel system 1a is connect with control system 1d so that the mobility status of the gas of control system 1d control air-channel systems 1a；Gas circuit
System 1a is connect with detecting system 1b pipelines；Wherein, detecting system 1b includes SO2F2Detection part 12, H2S detection parts 14,
SO2Detection part 13 and CO detection parts 15, SO2F2Detection part 12, H2S detection parts 14, SO2Detection part 13 and CO detections
Component 15 is connected each other by air-channel system 1a pipelines；Signal system 1c is electrically connected with detecting system 1b so that signal system 1c
Obtain the gas information that detecting system 1b is detected, and the testing result of output gas.
Further, air-channel system 1a includes admission line, outlet pipe and inner gas tube 18；Admission line with it is more
The air inlet 11 of channel-type gas analyzer connects；Outlet pipe is connect with the gas outlet 17 of multi-channel type gas analyzer.
It should be noted that air inlet 11 and gas outlet 17 are specially the 3mm pipeline ferrule fittings of 316 stainless steels,
Use 316 stainless steel tubes.Inner gas tube 18 uses 316 stainless steels of surfaces externally and internally polishing treatment, and pipe outside diameter is
1/8 inch, prevent tested gas from adsorption reaction occurs with pipeline.Inner gas tube 18 is by fixed support part by internal gas
Body pipeline 18 is fixed on the inside of multi-channel type gas analyzer, and fixed support part plays protection and support function, fixed branch
Support part part uses 316 stainless steels of surfaces externally and internally polishing treatment.
Further, SO2F2Detection part 12, H2S detection parts 14, SO2Detection part 13 and CO detection parts 15 are mutual
It is connected by inner gas tube 18.
Further, air-channel system 1a further includes pressure gauge 4 and recycling gas cylinder 3；Pressure gauge 4 is connect with tested gas；It returns
Getter bottle 3 is connect with outlet pipe so that the tested gas of the recycling recycling of gas cylinder 3.
It should be noted that tested gas is specially sulfur hexafluoride decomposition product 2.
Embodiment 3
Fig. 3 to Fig. 7 is please referred to, Fig. 3 shows the structure chart of multi-channel type gas analyzer；Fig. 4 shows multi-channel type gas analysis
The SO of instrument2F2The structure chart of detection part；Fig. 5 shows the SO of multi-channel type gas analyzer2F2The electrochemical sensor of detection part
Front view；Fig. 6 shows the SO of multi-channel type gas analyzer2F2The vertical view of the electrochemical sensor of detection part；Fig. 7 shows more
The SO of channel-type gas analyzer2F2The application circuit of detection part.
Multi-channel type gas analyzer 1 includes：Air-channel system 1a, detecting system 1b, signal system 1c and control system 1d；
Air-channel system 1a is connect with control system 1d so that the mobility status of the gas of control system 1d control air-channel systems 1a；Gas circuit
System 1a is connect with detecting system 1b pipelines；Wherein, detecting system 1b includes SO2F2Detection part 12, H2S detection parts 14,
SO2Detection part 13 and CO detection parts 15, SO2F2Detection part 12, H2S detection parts 14, SO2Detection part 13 and CO detections
Component 15 is connected each other by air-channel system 1a pipelines；Signal system 1c is electrically connected with detecting system 1b so that signal system 1c
Obtain the gas information that detecting system 1b is detected, and the testing result of output gas.
Further, detecting system 1b further includes redundant detection unit interface 16, for the standby of connecting detection other gases
Use detection part.
Further, other gases are H2、CO2、CF4、SOF2Or COS.
It should be noted that shown in Fig. 3, SO2F2Detection part 12, H2S detection parts 14, SO2Detection part 13 and CO inspections
Component 15 is surveyed to be connected in series with.
Further, control system 1d includes gas flow valve and gas flow controller；Gas flow valve be arranged on into
In feed channel and outlet pipe, gas flow controller is connect with gas flow valve so that gas flow controller passes through gas
The mobility status of the gas of flow valve control air-channel system 1a, holding admission pressure are 1bar.
Further, fig. 4 to fig. 6, SO are please referred to2F2Detection part 12 includes SO2F2Electrochemical sensor 128；SO2F2Electricity
Chemical sensor 128 includes detection SO2F2Electrolyte 1283, electrode, ventilated membrane 1281 and filter 1282；Electrode is specially
Three-electrode system；Detect SO2F2Electrolyte 1283 connect with three-electrode system；Detect SO2F2Electrolyte 1283 pass through filtering
Device 1282 is connect with ventilated membrane 1281.
It should be noted that three-electrode system includes counterelectrode 1285, working electrode 1286 and reference electrode 1287.
It should be noted that fixing device 1288 is used to fix SO2F2Electrochemical sensor 128.
It should be noted that referring to Fig. 4, SO2F2Detection part 12 includes SO2F2The electrochemical sensor of detection part
Sealing cover 120, SO2F2Detection part inlet suction port 121, SO2F2Detection part air outlet adapter 122, SO2F2Detection part electrode tail
End cap 123, SO2F2Detection part circuit board 124, SO2F2Detection part circuit board installation cup body 125, SO2F2Detection part seals
Circle 126, SO2F2Detection part reaction cup body 127, SO2F2Electrochemical sensor 128 and SO2F2The electrochemical sensing of detection part
Device installs cup body 129；SO2F2Detection part circuit board 124 is arranged on SO2F2Detection part circuit board installs the interior of cup body 125
Portion, SO2F2Electrochemical sensor 128 is arranged on SO2F2Behind the inside of the electrochemical sensor installation cup body 129 of detection part,
SO2F2The electrochemical sensor installation cup body 129 of detection part is arranged on SO2F2Detection part reacts the inside of cup body 127,
SO2F2Detection part sealing ring 126 is arranged on SO2F2The surface of electrochemical sensor 128, SO2F2The electrochemistry of detection part passes
Sensor sealing cover 120 is arranged on SO2F2The bottom of electrochemical sensor 128, SO2F2Detection part electrode tail end cover 123 is arranged on
SO2F2Detection part circuit board installs the top of cup body 125, SO2F2Detection part inlet suction port 121 and SO2F2Detection part goes out
Gas connector 122 is connect with air-channel system 1a, SO2F2Detection part inlet suction port 121 and SO2F2Detection part air outlet adapter 122 is logical
Threaded connection is crossed to connect with air-channel system 1a.
It should be noted that SO2F2Detection part sealing ring 126 is fluororubber O-type ring, can prevent gas from leaking and protect
Protect SO2F2Electrochemical sensor 128 is not pressurized；SO2F2The electrochemical sensor installation cup body 129 of detection part uses interior appearance
Processed 316 stainless steel of mirror polish, for fixing SO2F2Electrochemical sensor 128 simultaneously ensures that it is not pressurized；SO2F2Test section
The electrochemical sensor sealing cover 120 of part can prevent SO using 316 stainless steels of surfaces externally and internally polishing treatment2F2Electrochemistry
Sensor 128 and air occur without it is necessary react, when use, removes, and covers when not used；SO2F2Detection part reacts cup body
127 use 316 stainless steels of surfaces externally and internally polishing treatment, for encapsulating and protecting each component；SO2F2Detection part electrode tail
End cap 123 uses 316 stainless steels of surfaces externally and internally polishing treatment, for sealing SO2F2Detection part circuit board installs cup body
125, protect SO2F2Detection part circuit board 124.
Further, signal system includes SO2F2Signal processor；SO2F2Signal processor and SO2F212 electricity of detection part
Connection so that SO2F2Signal processor obtains SO2F2The SO of detection part 122F2Electric signal, and by SO2F2Electric signal is converted into can
The electric signal of identification is simultaneously sent to terminal.
Further, terminal is computer or/and display.
It should be noted that SO2F2Signal processor is used for SO2F2Electrochemical sensor 128 (converts chemical signal
For electric signal) electric signal be converted into identifiable electric signal and be sent to terminal, electrochemical sensor internal signal conversion circuit
Such as the SO of the multi-channel type gas analyzer of Fig. 72F2Shown in the application circuit of detection part.There are two with reference to electricity in the figure 7
Pressure：VR and VS.During normal work, different sensors needs to provide different bias voltages：Vb=VS-VR.VS and VR are necessary
It is provided by the reference voltage circuit of high-precision, low-temperature coefficient.The utility model uses CO, SO2、H2S、SO2F2Electrochemical sensing
The bias voltage of device is 0, VS=VR=1V.Current direction is through flowing to anti-electricity inside electrochemical sensor from working electrode 1286
Pole 1285.If monitoring tested gas, output signal will increase, and output signal and the concentration of tested gas are linear.VR
It needs to be divided with voltage reference chip with VS and provide.In output end vo, need to increase level-one RC filtering, RC constants are as needed certainly
Row is adjusted, and is then added level-one amplification again or is followed, then can be converted into digital signal into ADC, meter is communicated to by USB interface
The testing result of gas is obtained on the real-time monitoring of software of calculation machine.
Further, H2S detection parts 14, SO2Detection part 13 and CO detection parts 15 are respectively H2S electrochemical sensings
Device, SO2Electrochemical sensor, CO electrochemical sensors.
It should be noted that Fig. 3 represents a kind of SO2F2Detection part 12, H2S detection parts 14, SO213 He of detection part
15 setting of CO detection parts sequence, SO2F2Detection part 12, H2S detection parts 14, SO2Detection part 13 and CO detection parts 15
It is not limited in any way in the sequence of multi-channel type gas analyzer.
It should be noted that electrochemical sensor is the process of an absorption-desorption, the total volume of gas hardly damages
It loses, the electrochemical sensor of the utility model calculates the electrode potential of the electrode of tested gas using three-electrode system.This reality
With novel electrochemical sensor using three-electrode electrochemical sensor sensor, Electrochemical Detection principle is utilized, has dense
Spend the features such as range is wide, small, price is low, measurement accuracy is higher.Three-electrode electrochemical sensor sensor is mainly used for examining
Survey SO2F2Concentration, normal measurement range be 0~100ppm, resolution ratio 1ppm, sensitivity be 0.8 ± 0.3A/ppm, work
Temperature be -20 DEG C~50 DEG C, under the conditions of frozen-free operating humidity range be 15%RH~90%RH, working pressure range 800
~1200mbar, it is 2 years that sensor, which is expected normal service life,.
It should be noted that multi-channel type gas analyzer 1 is carried out first with USB connection upper computer softwares using preceding
Calibration calibration, and the data that real-time display electrochemical sensor measures.
It should be noted that the operation test of multi-channel type gas analyzer 1 carries out according to the following procedure：
1. check whether the gas source valve of flow valve 5 and tested gas is closed, if it has not, first closing
Valve.
2. connecting the pipeline of air-channel system 1a, tested gas is connected to the air inlet 11 of air-channel system 1a, by gas outlet 17
Recycling gas cylinder 3 is connected to, checks air-tightness.
3. open the electrochemical sensor sealing cover of the detection part of detecting system 1b, connection signal system 1c (signal systems
System 1c includes computer), open equipment power switch and real-time monitoring of software.
4. opening the charge flow rate of the tested gas of the control of flow valve 5, start to measure.
5. measurement finishes, the gas source valve of tested gas is first closed, after to wait display flow be zero, admission line pulled up, tears open
Except outlet pipe, flow valve 5 is closed, and close power supply.
6. covering sensor seal cover, cleaning equipment closes computer software, and detection terminates
Wherein, sulfur hexafluoride decomposition gas enters flow valve 5 by being tested the gas source valve of gas；Tested gas is six
Sulfur fluoride decomposes gas.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of multi-channel type gas analyzer, which is characterized in that including：Air-channel system, detecting system, signal system and control
System；
The air-channel system is connect with the control system so that the control system controls the stream of the gas of the air-channel system
Emotionally condition；
The air-channel system is connect with the detecting system pipeline；
Wherein, the detecting system includes SO2F2Detection part, H2S detection parts, SO2Detection part and CO detection parts, it is described
SO2F2Detection part, the H2S detection parts, the SO2Detection part and the CO detection parts are each other by the gas circuit
System pipeline connects；
The signal system is electrically connected with the detecting system so that the signal system obtains the detecting system and detects to obtain
Gas information, and the testing result of output gas.
2. multi-channel type gas analyzer according to claim 1, which is characterized in that the air-channel system includes air inlet pipe
Road, outlet pipe and inner gas tube；
The admission line is connect with the air inlet of the multi-channel type gas analyzer；
The outlet pipe is connect with the gas outlet of the multi-channel type gas analyzer；
The SO2F2Detection part, the H2S detection parts, the SO2Detection part and the CO detection parts are each other by institute
State inner gas tube connection.
3. multi-channel type gas analyzer according to claim 2, which is characterized in that the air-channel system further includes pressure
Table and recycling gas cylinder；
The pressure gauge is connect with tested gas；
The recycling gas cylinder is connect with the outlet pipe so that the tested gas of recycling gas cylinder recycling.
4. multi-channel type gas analyzer according to claim 1, which is characterized in that the detecting system further includes spare
Detection part interface, for the redundant detection component of other gases of connecting detection.
5. multi-channel type gas analyzer according to claim 4, which is characterized in that other described gases are H2、CO2、
CF4、SOF2Or COS.
6. multi-channel type gas analyzer according to claim 2, which is characterized in that the control system includes gas stream
Measure valve and gas flow controller；
The gas flow valve is arranged on the admission line and the outlet pipe, the gas flow controller with it is described
Gas flow valve connects so that gas flow controller controls the stream of the gas of the air-channel system by the gas flow valve
Emotionally condition.
7. multi-channel type gas analyzer according to claim 1, which is characterized in that the SO2F2Detection part includes
SO2F2Electrochemical sensor；
The SO2F2Electrochemical sensor includes detection SO2F2Electrolyte, electrode, ventilated membrane and filter；
The electrode is specially three-electrode system；The detection SO2F2Electrolyte connect with the three-electrode system；
The detection SO2F2Electrolyte connect by the filter with the ventilated membrane.
8. multi-channel type gas analyzer according to claim 1, which is characterized in that the signal system includes SO2F2Letter
Number processor；
The SO2F2Signal processor and the SO2F2Detection part is electrically connected so that the SO2F2Signal processor obtains institute
State SO2F2The SO of detection part2F2Electric signal, and by the SO2F2Electric signal is converted into identifiable electric signal and is sent to end
End.
9. multi-channel type gas analyzer according to claim 8, which is characterized in that the terminal for computer or/and
Display.
10. multi-channel type gas analyzer according to claim 1, which is characterized in that the H2It is S detection parts, described
SO2Detection part and the CO detection parts are respectively H2S electrochemical sensors, electrochemical sensor, SO2Electrochemical sensor,
CO electrochemical sensors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721670427.8U CN207502451U (en) | 2017-12-05 | 2017-12-05 | A kind of multi-channel type gas analyzer |
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| CN201721670427.8U CN207502451U (en) | 2017-12-05 | 2017-12-05 | A kind of multi-channel type gas analyzer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856341A (en) * | 2019-04-01 | 2019-06-07 | 宁波市高品科技有限公司 | A kind of portable gas detector can be used for more scenes |
| 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 |
-
2017
- 2017-12-05 CN CN201721670427.8U patent/CN207502451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856341A (en) * | 2019-04-01 | 2019-06-07 | 宁波市高品科技有限公司 | A kind of portable gas detector can be used for more scenes |
| 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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