CN207623236U - NOVEC4710 gas concentration detectors - Google Patents
NOVEC4710 gas concentration detectors Download PDFInfo
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- CN207623236U CN207623236U CN201721843680.9U CN201721843680U CN207623236U CN 207623236 U CN207623236 U CN 207623236U CN 201721843680 U CN201721843680 U CN 201721843680U CN 207623236 U CN207623236 U CN 207623236U
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Abstract
NOVEC4710 gas concentration detectors, including main control unit, display unit, print unit and gas piping, electronic flow regulating valve is disposed with by air inlet to gas outlet on gas piping, pressure monitoring unit, flow monitoring unit and NOVEC4710 gas detection cells, the air inlet of gas piping is provided with self-sealing quick connector, temperature monitoring unit is connected in NOVEC4710 gas detection cells, main control unit by control cable respectively with electronic flow regulating valve, display unit, temperature monitoring unit, NOVEC4710 gas detection cells, flow monitoring unit, pressure monitoring unit is connected with print unit.Small, light-weight, the included internal battery of the utility model, price is low and precision is excellent, easy to operate, response quickly, stability is good, precision is high, the advantages that being very suitable for live quickly analysis, self-sealing quick connector is used in design, have the function of flow automatic adjustment, storage printing etc., in-site measurement flow can be skillfully grasped by simply training.
Description
Technical field
The utility model is related to high voltage electric equipment insulating gas field of measuring technique, more particularly to a kind of NOVEC4710
Gas concentration detector.
Background technology
SF6Gas accounts for absolutely predominantly as insulation and arc-extinguishing medium in the system of 110 kV and above
Position, but due to SF6The extremely strong greenhouse effects of gas, in global warming in 1997《The Kyoto Protocol》In be put into it is limited
One of 6 kinds of greenhouse gases of system.In addition, 2016《It reaches an agreement in Paris》In be also distinctly claimed the second half in this century realize
The net zero-emission of greenhouse gases.Therefore, people were never interrupted SF for many years6Substitute the exploration in terms of gas.
In the recent period, in the world the field principal focal point be placed on some have very high insulating property, low temperature chamber effect it is new
Type ring is protected on gas.French Alstom（ALSTOM）The NOVEC4710 mixing that its research is reported with Minnesota Mining and Manufacturing Company is exhausted
Edge gas and its as insulation and arc-extinguishing medium application.NOVEC4710 mix insulation gas is fluorination nitrile gas（C3F7CN）With CO2
Mixed gas, C3F7The insulation performance of CN gases is SF62.2 times or more, global warming potential（GWP）About 2200.
ALSTOM companies are by NOVEC4710 mix insulation gas（C4F7N-CO2Mixed gas）Applied to some GIL and GIS model machines
In, such as 420 kV GIL, 245kV TA, 145 kV GIS.
NOVEC4710 mix insulation gas is a kind of alternative sulfur hexafluoride (SF6) gas is as insulation of electrical installation and going out
The environmentally friendly gas of arc effect.It has fabulous dielectric properties, with SF6It compares, there is wider Applicable temperature and by environment
Influence is smaller, is a kind of non-flammable, environmentally protective gas.
The concentration, density, humidity of NOVEC4710 mix insulations gas and its decomposition product gas content are straight in switchgear
The insulation characterisitic for determining mix insulation gas is connect, and by tracking, the analysis to these parameters, height can be prejudged in advance and pressed off
The operation conditions and incipient fault hidden danger for closing equipment, to make emergency plan to ensure the safe and reliable operation of equipment.But
At this stage, the indexs such as the concentration, density, humidity of NOVEC4710 mix insulations gas and its decomposition product gas content is mating
Detect instrument aspect relevant research and Product Report not yet.
Utility model content
In order to solve shortcoming in the prior art, the utility model provides a kind of NOVEC4710 gas concentrations detection
Instrument, the detector can fast implement the accurate measurement of NOVEC4710 gas contents in NOVEC4710 gas mix insulation gas, full
Monitoring, inspection demand under sufficient similar application environment, the operating status for monitoring and estimating switchgear.
The utility model adopts the following technical solution：NOVEC4710 gas concentration detectors, including main control unit, display
Unit, print unit and gas piping are disposed with electronic flow regulating valve, pressure on gas piping by air inlet to gas outlet
Power monitoring unit, flow monitoring unit and NOVEC4710 gas detection cells, it is fast that the air inlet of gas piping is provided with self-sealing
Connection-peg, is connected with temperature monitoring unit in NOVEC4710 gas detection cells, main control unit by control cable respectively with electricity
Subflow adjustable valve, display unit, temperature monitoring unit, NOVEC4710 gas detection cells, flow monitoring unit, pressure prison
Unit is surveyed to connect with print unit.
Be provided on gas piping for detect NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas,
It is decomposed in NOVEC4710 mix insulation air humidities degree, NOVEC4710 mix insulations air tightness and NOVEC4710 mix insulation gas
The expansion interface of product gas content.
Using above-mentioned technical proposal, NOVEC4710 gas detection cells are based on Infrared spectra adsorption principle, foundation
The specific absorption wave band of NOVEC4710 gases, customized high-performance light sources and optical filter, are effectively ensured the interference free performance of system.
Light source drive control uses pulse driven switch, generates a modulated light source, and filament can be heated and the control that cools down is in millisecond
Grade, effectively reduces the parasitic heat of detector, amplifier and other elements.Simultaneously using double transmittings, double reception detection knot in light path
Structure effectively eliminates the error of system aging introducing.Temperature monitoring unit accurate detection system temperature, passes through accurately temperature-compensating
The reliability and stability of system are greatly improved in algorithm.
Detection method includes the following steps for the utility model：
1）Self-sealing quick connector is connected on high-tension switch gear, it is ensured that sealing is tight；
2）NOVEC4710 mix insulations gas is entered by self-sealing quick connector in gas piping, electronic flow regulating valve
Charge flow rate can be automatically adjusted, to gas piping, electronic flow regulating valve, pressure monitoring unit, flow monitoring unit and
NOVEC4710 gas detection cells carry out purging passivation；
3）Temperature monitoring unit, NOVEC4710 gas detection cells, flow monitoring unit and pressure monitoring unit obtain respectively
Gas temperature, NOVEC4710 gas concentrations, the flow of sample gas air inlet, gas circuit internal pressure, then by digital signal or
Data are uploaded to main control unit by analog signal, by main control unit by system-computed after, quickly measured at 1-2 minutes
NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas；
4）Again by NOVEC4710 gas contents measurement result in display unit real-time display NOVEC4710 mix insulation gas,
Temperature value, flow value, gas circuit internal pressure, and the parameter of NOVEC4710 gas contents is can save, in case looked by history in the future
Function is ask to be checked, studied.
NOVEC4710 gas contents measure, and switchgear scene rapid evaluation can be realized using core detection unit,
Short 1-2 minutes is quickly analyzed NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas, and supports the work(such as storage, printing
Energy.
Due to being reserved there are many expansion interface resource on the gas piping in the utility model, being extremely conveniently extended to has
Measure NOVEC4710 gas concentrations in NOVEC4710 gaseous mixtures, NOVEC4710 mix insulation air humidity degree, NOVEC4710 mixing
The synthesis analyzer of insulation air tightness and its decomposition product constituent content.
In conclusion the main purpose of the utility model is NOVEC4710 gases in detection NOVEC4710 mix insulation gas
Concentration, NOVEC4710 gas concentration signals in NOVEC4710 gas detection cell detection gas, temperature monitoring unit detect ring
Border temperature, pressure monitoring unit detection gas line pressure signal, last each signal are sent into main control unit, and by embedding algorithm
（Including NOVEC4710 component analyses, flow-compensated, temperature-compensating, pressure compensation etc.）, obtain NOVEC4710 mix insulation gas
Middle NOVEC4710 gas concentrations.
Small, light-weight, the included internal battery of the utility model, price is low and precision is excellent, easy to operate, response is fast
Speed, stability is good, precision is high, is very suitable for live the advantages that quickly analyzing, using self-sealing quick connector in design, having stream
The functions such as amount automatic adjustment, storage printing, in-site measurement flow can be skillfully grasped by simply training.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
As shown in Figure 1, the NOVEC4710 gas concentration detectors of the utility model, including main control unit 1, display unit
2, print unit 3 and gas piping 6, on gas piping 6 by air inlet to gas outlet be disposed with electronic flow regulating valve 5,
The air inlet of pressure monitoring unit 7, flow monitoring unit 8 and NOVEC4710 gas detection cells 4, gas piping 6 is provided with certainly
Envelope formula quick connector 9 is connected with temperature monitoring unit 10 in NOVEC4710 gas detection cells 4, and main control unit 1 passes through control
Cable 11 respectively with electronic flow regulating valve 5, display unit 2, temperature monitoring unit 10, NOVEC4710 gas detection cells 4,
Flow monitoring unit 8, pressure monitoring unit 7 and print unit 3 connect.
Be provided on gas piping 6 for detect NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas,
It is decomposed in NOVEC4710 mix insulation air humidities degree, NOVEC4710 mix insulations air tightness and NOVEC4710 mix insulation gas
The expansion interface of product gas content.
NOVEC4710 gas detection cells 4 are based on Infrared spectra adsorption principle, the specific suction according to NOVEC4710 gases
Wave band, customized high-performance light sources and optical filter are received, the interference free performance of system is effectively ensured.Light source drive control is driven using pulse
Dynamic switch, generates a modulated light source, and filament can be heated and the control that cools down is in Millisecond, effectively reduce detector, amplification
The parasitic heat of device and other elements.System aging introducing is effectively eliminated using double transmittings, double reception detection structure in light path simultaneously
Error.10 accurate detection system temperature of temperature monitoring unit, by accurately temperature compensation algorithm, be greatly improved system can
By property and stability.
The method that the utility model is detected NOVEC4710 gases includes the following steps：
1）Self-sealing quick connector 9 is connected on high-tension switch gear, it is ensured that sealing is tight；
2）NOVEC4710 mix insulations gas is entered by self-sealing quick connector 9 in gas piping 6, and electronic flow is adjusted
Valve 5 can automatically adjust charge flow rate, to gas piping 6, electronic flow regulating valve 5, pressure monitoring unit 7, flow monitoring unit 8
Purging passivation is carried out with NOVEC4710 gas detection cells 4；
3）Temperature monitoring unit 10, NOVEC4710 gas detection cells 4, flow monitoring unit 8 and pressure monitoring unit 7
Gas temperature, NOVEC4710 gas concentrations, the flow of sample gas air inlet, gas circuit internal pressure are obtained respectively, are then believed by number
Number or analog signal data are uploaded to main control unit 1, by main control unit 1 by system-computed after, 1-2 minutes quickly survey
Obtain NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas；
4）Knot is measured by NOVEC4710 gas contents in 2 real-time display NOVEC4710 mix insulation gas of display unit again
Fruit, temperature value, flow value, gas circuit internal pressure, and the parameter of NOVEC4710 gas contents is can save, in case in the future by going through
History query function is checked, is studied.
NOVEC4710 gas contents measure, and switchgear scene rapid evaluation can be realized using core detection unit,
Short 1-2 minutes is quickly analyzed NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas, and supports the work(such as storage, printing
Energy.
The utility model can be also used for the detection of NOVEC5110 and its similar insulating gas concentration.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., every foundation
The technical essence of the utility model belongs to this reality to any simple modification, equivalent change and modification made by above example
With the protection domain of new technique scheme.
Claims (2)
1.NOVEC4710 gas concentration detectors, it is characterised in that：Including main control unit, display unit, print unit and gas
Pipeline is disposed with electronic flow regulating valve, pressure monitoring unit, flow monitoring on gas piping by air inlet to gas outlet
The air inlet of unit and NOVEC4710 gas detection cells, gas piping is provided with self-sealing quick connector, NOVEC4710 gas
Be connected with temperature monitoring unit in body detection unit, main control unit by control cable respectively with electronic flow regulating valve, display
Unit, temperature monitoring unit, NOVEC4710 gas detection cells, flow monitoring unit, pressure monitoring unit and print unit connect
It connects.
2. NOVEC4710 gas concentration detectors according to claim 1, it is characterised in that：It is provided on gas piping
For detect NOVEC4710 gas concentrations in NOVEC4710 mix insulation gas, NOVEC4710 mix insulation air humidities degree,
The expansion interface of decomposition product gas content in NOVEC4710 mix insulations air tightness and NOVEC4710 mix insulation gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843680.9U CN207623236U (en) | 2017-12-26 | 2017-12-26 | NOVEC4710 gas concentration detectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843680.9U CN207623236U (en) | 2017-12-26 | 2017-12-26 | NOVEC4710 gas concentration detectors |
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| Publication Number | Publication Date |
|---|---|
| CN207623236U true CN207623236U (en) | 2018-07-17 |
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ID=62829787
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721843680.9U Active CN207623236U (en) | 2017-12-26 | 2017-12-26 | NOVEC4710 gas concentration detectors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060705A (en) * | 2018-08-22 | 2018-12-21 | 南方电网科学研究院有限责任公司 | A kind of C4F7The infrared detecting device and method of N concentration and electric discharge microcomponent |
-
2017
- 2017-12-26 CN CN201721843680.9U patent/CN207623236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060705A (en) * | 2018-08-22 | 2018-12-21 | 南方电网科学研究院有限责任公司 | A kind of C4F7The infrared detecting device and method of N concentration and electric discharge microcomponent |
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