CN207488258U - A kind of SF6Decomposition product detector calibration equipment - Google Patents
A kind of SF6Decomposition product detector calibration equipment Download PDFInfo
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- CN207488258U CN207488258U CN201721038611.0U CN201721038611U CN207488258U CN 207488258 U CN207488258 U CN 207488258U CN 201721038611 U CN201721038611 U CN 201721038611U CN 207488258 U CN207488258 U CN 207488258U
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- 238000000354 decomposition reaction Methods 0.000 claims abstract description 52
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 12
- 231100000614 poison Toxicity 0.000 claims description 4
- 230000007096 poisonous effect Effects 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000012372 quality testing Methods 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 abstract description 4
- 230000002588 toxic effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 142
- 239000012159 carrier gas Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000012491 analyte Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004164 analytical calibration Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model belongs to SF6Electrical equipment detecting instrument inspection technology field more particularly to a kind of SF6A kind of decomposition product detector calibration equipment, and in particular to SF using multicomponent dynamic gas mixer6Decomposition product detector calibration equipment.Including SF6Decomposition product detector is to be connected to SF by the sample gas output terminal of dynamic gas mixer6The sample gas input terminal of decomposition product detector；Dynamic gas mixer and SF6The tail gas outlet side of decomposition product detector is connected to the tail gas input terminal of exhaust gas recovery system.The utility model have reasonable design, it is simple in structure, it is easy for operation the features such as.SF can not only be improved6Decomposition product detector verifying work efficiency realizes SF6The fully automatic check and Performance Evaluation of decomposition product detector, moreover it is possible to realize the even running of whole system, reduce the discharge of toxic and harmful gas, reduce the probability that staff contacts toxic and harmful gas, a kind of zero-emission, pollution-free, environmentally friendly workplace are provided.
Description
Technical field
The utility model belongs to SF6Electrical equipment detecting instrument inspection technology field more particularly to a kind of SF6Decompose quality testing
Survey instrument calibration equipment, and in particular to a kind of SF using multicomponent dynamic gas mixer6Decomposition product detector calibration equipment.
Background technology
The rapid development of power industry, SF6Electrical equipment application is increasingly extensive, and power grid security, stable operation are played
Key effect.Due to electrical equipment, in design, manufacture, installation and O＆M etc., there may be defects, and equipment is caused to run
Shelf depreciation occurs in the process, by serious threat power grid security.Therefore detect equipment internal flaw in time, to ensure equipment and
The safe operation of power grid is of great significance.In the equipment Hidden fault stage, traditional electrical test method is difficult to detect
The built-in electrical insulation defect of equipment.Research shows that there are correspondence, SF between decomposition product and equipment fault6SO in gas2、
H2S, the constituent contents such as CO are to judge SF6The important indicator of electric equipment operation state, passes through SO2、H2S, the SF such as CO6Decomposition product
Content and variation tendency, can in time, the effectively Hidden fault in discovering device, carry out equipment fault positioning.
Using the SF of electrochemical sensor principle6Gas decomposition product detector is operation air insulating device latency defect
One of the important means of with malfunction elimination.For power industry, recently as SF6Electrical equipment, particularly GIS,
Extensive use in substation, SF6Relevant field assay instrument is also especially more, mainly there is SF6Decomposition product analyzer, SF6It is pure
Spend tester etc..For the calibrating and measuring of these emerging instruments in recent years, still lack corresponding means and equipment.
Utility model content
For the above-mentioned prior art the problem of, the utility model provide a kind of SF6Decomposition product detector verifies
Device, it is therefore an objective to SF can be solved6The problem of electrical equipment decomposition product detecting instrument can not be verified effectively realizes SF6Decompose quality testing
Survey the Scientific evaluation of instrument performance.
In order to realize above-mentioned purpose of utility model, the utility model is achieved through the following technical solutions：
A kind of SF6Decomposition product detector calibration equipment, including SF6Decomposition product detector is the sample gas by dynamic gas mixer
Output terminal is connected to SF6The sample gas input terminal of decomposition product detector, for for SF6Decomposition product detector provides the known mark matched
Quasi- gas；Dynamic gas mixer and SF6The tail gas that the tail gas outlet side of decomposition product detector is connected to exhaust gas recovery system is defeated
Enter end, for dynamic gas mixer and SF6The poisonous and harmful tail gas that decomposition product detector generates is recycled.
The tail gas input terminal of the exhaust gas recovery system and dynamic gas mixer and SF6The tail gas discharge of decomposition product detector
It is connected between end by hose.
The dynamic gas mixer is to be connect by component gas cylinder A with mass flow control unit A, component gas cylinder B and quality
Flow controlling unit B connections, component gas cylinder C are connect with mass flow control unit C, and component gas cylinder D and mass flow control are single
First D is connected；Mass flow control unit A, mass flow control unit B, mass flow control unit C and mass flow control
The output terminal of cells D is connected to mixing chamber；The output terminal of mixing chamber is respectively connected to the output of sample gas and tail gas discharge.
The component gas cylinder A is carrier gas, is SF6Or N2；Component gas cylinder B, component gas cylinder C and component gas cylinder D are distribution, point
It Wei not H2S、SO2And CO.
The SF6The SF that decomposition product detector can test and analyze6Decomposition product ingredient includes but not limited to H2S、SO2And CO.
The exhaust gas recovery system includes surge flask, stage compressor, transfer bag, split-compressor and external steel cylinder, warp
Pipeline be sequentially connected it is enough into.
The structure of the mixing chamber is that gas input is connect with gas spiral pipeline, the output terminal point of gas spiral pipeline
It is not connected to gas float flow meter and gas flow meter, the output terminal of gas flowmeter is connected to gas buffer tank, and gas delays
The output terminal for rushing tank is connected to vacuum pump.
The utility model is compared with prior art, the advantages of the utility model and advanced as follows：
The utility model is based on dynamic group assignment system system, proposes a kind of SF6Decomposition product detector calibration equipment, it has
Reasonable design, it is simple in structure, it is easy for operation the features such as.With SF6Or N2As carrier gas, with SO2, H2S and CO as distribution,
It is accurately controlled, is matched by the calculating of control circuit, you can outputting standard concentration by mass flow controller per road gas flow
Mixed gas.The exhaust gas recovery system of the device, is made of volume control device and pressure equaliser, passes through pressure feedback
The flow of gas recovery is controlled, so as to fulfill the even running of whole system.The utility model can not only improve SF6Decomposition product
Detector verifying work efficiency realizes SF6The fully automatic check and Performance Evaluation of decomposition product detector, moreover it is possible to reduce poisonous and harmful
The discharge of gas, while the probability that staff contacts toxic and harmful gas is reduced, to be engaged in the work of instrument and meter verification, calibration
Make personnel and a kind of zero-emission, pollution-free, environmentally friendly workplace are provided.
Referring to the drawings, the specific technical solution of the utility model is further described, in order to those skilled in the art
Member is further understood that the utility model, without forming the limitation to its right.
Description of the drawings
Fig. 1 is the overall structure figure of SF6 decomposition products detector calibration equipment in the utility model；
Fig. 2 is the structure chart of dynamic gas mixer in the utility model；
Fig. 3 is the structure chart of exhaust gas recovery system in the utility model；
Fig. 4 is the structure chart of mixing chamber in the utility model.
In figure：Dynamic gas mixer 1, SF6Decomposition product detector 2, exhaust gas recovery system 3, component gas cylinder A101, component
Gas cylinder B102 divides gas cylinder C103, component gas cylinder D104, mass flow control unit A105, mass flow control unit B106, matter
Flow controlling unit C107 is measured, mass flow control unit D108, mixing chamber 109, sample gas output 110, tail gas discharges 111, delays
Rush bottle 301, stage compressor 302, transfer bag 303, split-compressor 304, external steel cylinder 305, gas spiral pipeline 1091, gas
Body suspended body flowmeter 1092, gas flowmeter 1093, gas buffer tank 1094, vacuum pump 1095.
Specific embodiment
The utility model is a kind of SF6Decomposition product detector calibration equipment, as shown in Figure 1, Fig. 1 is in the utility model
The overall structure figure of SF6 decomposition product detector calibration equipments.Including dynamic gas mixer 1, SF6Decomposition product detector 2 and tail gas
The sample gas output terminal of recovery system 3, wherein dynamic gas mixer 1 is connected to SF6The sample gas input terminal of decomposition product detector 2 is used
In for SF6Decomposition product detector 2 provides the known calibrating gas matched；SF6Decomposition product detector 2 is used to be detected sample gas
And analysis, while to the SF of sample gas6Decomposition product composition detection result is shown；Dynamic gas mixer 1 and SF6Decompose analyte detection
The tail gas outlet side of instrument 2 is connected to the tail gas input terminal of exhaust gas recovery system 3, for dynamic gas mixer 1 and SF6It decomposes
The poisonous and harmful tail gas that analyte detection instrument 2 generates is recycled.
As shown in Fig. 2, Fig. 2 is the structure chart of dynamic gas mixer in the utility model.The dynamic gas mixer 1 wraps
Include component gas cylinder A101, component gas cylinder B102, component gas cylinder C103, component gas cylinder D104, mass flow control unit A105, matter
It is defeated to measure flow controlling unit B106, mass flow control unit C107, mass flow control unit D108, mixing chamber 109, sample gas
Go out 110 and tail gas discharge 111.
Wherein component gas cylinder A101 is connect with mass flow control unit A105, and component gas cylinder B102 is controlled with mass flow
Unit B 106 connects, and component gas cylinder C103 is connect with mass flow control unit C107, component gas cylinder D104 and mass flow control
Cells D 108 processed is connected, for accurately controlling component gas cylinder A101, component gas cylinder B102, component gas according to sample gas proportioning demand
The air inflow of bottle C103 and component gas cylinder D104；Mass flow control unit A105, mass flow control unit B106, quality stream
The output terminal of amount control unit C107 and mass flow control unit D108 is connected to mixing chamber 109, for by component gas cylinder
The air inlet of A101, component gas cylinder B102, component gas cylinder C103 and component gas cylinder D104 carry out mixed preparing, and mixing match is direct
It is influenced by the air inflow of component gas cylinder A101, component gas cylinder B102, component gas cylinder C103 and component gas cylinder D104；Mixing chamber
109 output terminal is connected to sample gas output 110, for for SF6Decomposition product detector 2 provides the known calibrating gas matched, together
When be additionally coupled to tail gas discharge 111, for toxic and harmful gas to be recycled.
As shown in figure 4, Fig. 4 is the structure chart of mixing chamber in the utility model.The mixing chamber 109 is by gas input
It is connect with gas spiral pipeline 1091, for carrier gas and distribution to be sufficiently mixed；The output terminal connection of gas spiral pipeline 1091
To gas float flow meter 1092, for measuring mixed gas output flow, while gas spiral pipeline 1091 is additionally coupled to gas
Flowmeter body 1093, for measuring before gas mixing configuration residual gas flow in mixing chamber；The output terminal of gas flowmeter 1093 connects
Gas buffer tank 1094 is connected to, for residual gas in mixing chamber to be stored into row buffering；The output terminal connection of gas buffer tank 1094
To vacuum pump 1095, for residual gas in mixing chamber to be evacuated to vacuum.
The dynamic gas mixer 1, component gas cylinder A101 are carrier gas, and SF may be selected6Or N2.Component gas cylinder B102, group
Divide gas cylinder C103 and component gas cylinder D104 for distribution, respectively H2S、SO2And CO.
The SF6Decomposition product detector 2, to be used for SF6Electrical equipment Site Detection and the commercially available production of lab analysis
Product, suitable for all models and producer, the SF that can be tested and analyzed6Decomposition product ingredient includes but not limited to H2S、SO2And CO.
As shown in figure 3, Fig. 3 is the structure chart of exhaust gas recovery system in the utility model.The exhaust gas recovery system 3 wraps
Surge flask 301, stage compressor 302, transfer bag 303, split-compressor 304 and external steel cylinder 305 are included, wherein being returned into tail gas
The exhaust gas of receipts system 3 is flowed into surge flask 301 naturally through tail gas input terminal, is released stress for dynamic monitoring tail gas, basic to tie up
Hold normal pressure state.The output terminal of surge flask 301 is connected to transfer bag 303 by stage compressor 302, is used to implement level-one recycling
To transfer bag 303.The output terminal of transfer bag 303 is connected to external steel cylinder 305 by split-compressor 304, for working as transfer bag
When gas pressure is excessively high in 303, realize that two-stage compression is recycled and is compressed in extraneous steel cylinder 305.
Common commercial like product can be used in the surge flask 301, slow for during pressure instantaneous variation, ensureing in gas circuit
Mutation will not be generated by rushing bottle outlet pressure, so as to reduce the moment impact to buffering pipe pressure.
The stage compressor 302 is micro-air compressor, and common commercial like product can be used.
The transfer bag 303 is gas sampling bag, and the common commercial like product within the blowing pressure 3Kpa can be used.
The split-compressor 304 is micro-air compressor, and common commercial like product can be used.
The external steel cylinder 305 is minitype high voltage gas bomb, and common commercial like product can be used.
The exhaust gas recovery system 3, workflow are：
A. the exhaust gas discharged flows into the surge flask 301 of device for recovering tail gas, dynamic monitoring surge flask gas pressure, base naturally
This maintenance normal pressure state；
B. when 301 pressure of surge flask is higher than normal pressure a certain setting value, stage compressor 302 voluntarily starts, and realizes tail gas one
Grade recycling, is recycled in transfer bag 303；
C. pressure detecting is carried out to the gas for being recycled to transfer bag 303, during higher than a certain setting value, system control flow can be reported
Alert prompting；
D. there is pressure alarm prompting in transfer bag 303, should connect external steel cylinder 305, manually boot split-compressor 304,
Realize two-stage compression recycling, it will be in the gas compression in air accumulator to external steel cylinder 305；
E. 305 gas pressure of external steel cylinder reaches 0.75-0.8MPa, has recycled and has been full of, and alarm occurs again in control flow,
Carry out replacement steel cylinder.When it is implemented, external 305 gas pressure of steel cylinder is up to 0.75 MPa, 0.76 MPa, 0.77 MPa, 0.78
MPa, 0.79 MPa or 0.8MPa are within the utility model practical range.
The exhaust gas recovery system 3, tail gas input and dynamic gas mixer 1 and SF6The tail gas of decomposition product detector 2
It is connected between discharge with hose, ensures air-tightness.
Setting value described in the step c is generally 2.8-3.0kPa.When it is implemented, setting value can be 2.8
KPa, 2.85 kPa, 2.9 kPa, 2.9 5kPa or 3.0kPa are within the utility model practical range.
Claims (6)
1. a kind of SF6Decomposition product detector calibration equipment, including SF6Decomposition product detector（2）, it is characterized in that：By dynamic air-distributing system
System（1）Sample gas output terminal be connected to SF6Decomposition product detector（2）Sample gas input terminal, for for SF6Decomposition product detector（2）
The known calibrating gas matched is provided；Dynamic gas mixer（1）And SF6Decomposition product detector（2）Tail gas outlet side be all connected with
To exhaust gas recovery system（3）Tail gas input terminal, for dynamic gas mixer（1）And SF6Decomposition product detector（2）It generates
Poisonous and harmful tail gas is recycled.
2. a kind of SF according to claim 16Decomposition product detector calibration equipment, it is characterized in that：The exhaust gas recovery system
（3）Tail gas input terminal and dynamic gas mixer（1）And SF6Decomposition product detector（2）Tail gas outlet side between pass through hose
Connection.
3. a kind of SF according to claim 16Decomposition product detector calibration equipment, it is characterized in that：The dynamic gas mixer
1 is by component gas cylinder A（101）With mass flow control unit A（105）Connection, component gas cylinder B（102）It is controlled with mass flow
Unit B（106）Connection, component gas cylinder C（103）With mass flow control unit C（107）Connection, component gas cylinder D（104）With matter
Measure flow controlling unit D（108）It is connected；Mass flow control unit A（105）, mass flow control unit B（106）, quality
Flow controlling unit C（107）And mass flow control unit D（108）Output terminal be connected to mixing chamber（109）；Mixing chamber
（109）Output terminal be respectively connected to sample gas output（110）It is discharged with tail gas（111）.
4. a kind of SF according to claim 16Decomposition product detector calibration equipment, it is characterized in that：The SF6Decompose quality testing
Survey instrument（2）The SF that can be tested and analyzed6Decomposition product ingredient includes but not limited to H2S、SO2And CO.
5. a kind of SF according to claim 16Decomposition product detector calibration equipment, it is characterized in that：The exhaust gas recovery system
（3）Including surge flask（301）, stage compressor（302）, transfer bag（303）, split-compressor（304）With external steel cylinder
（305）, be sequentially connected by the road it is enough into.
6. a kind of SF according to claim 36Decomposition product detector calibration equipment, it is characterized in that：The mixing chamber（109）
Structure be gas input and gas spiral pipeline（1091）Connection, gas spiral pipeline（1091）Output terminal connect respectively
To gas float flow meter（1092）And gas flow meter（1093）, gas flowmeter（1093）Output terminal be connected to gas and delay
Rush tank（1094）, gas buffer tank（1094）Output terminal be connected to vacuum pump（1095）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038611.0U CN207488258U (en) | 2017-08-18 | 2017-08-18 | A kind of SF6Decomposition product detector calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038611.0U CN207488258U (en) | 2017-08-18 | 2017-08-18 | A kind of SF6Decomposition product detector calibration equipment |
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| Publication Number | Publication Date |
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| CN207488258U true CN207488258U (en) | 2018-06-12 |
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| CN201721038611.0U Active CN207488258U (en) | 2017-08-18 | 2017-08-18 | A kind of SF6Decomposition product detector calibration equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356712A (en) * | 2017-08-18 | 2017-11-17 | 国网辽宁省电力有限公司电力科学研究院 | A kind of SF6Analyte detector calibration equipment |
-
2017
- 2017-08-18 CN CN201721038611.0U patent/CN207488258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356712A (en) * | 2017-08-18 | 2017-11-17 | 国网辽宁省电力有限公司电力科学研究院 | A kind of SF6Analyte detector calibration equipment |
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