CN109459510A - A kind of more helium ion detection systems - Google Patents
A kind of more helium ion detection systems Download PDFInfo
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- CN109459510A CN109459510A CN201811355449.4A CN201811355449A CN109459510A CN 109459510 A CN109459510 A CN 109459510A CN 201811355449 A CN201811355449 A CN 201811355449A CN 109459510 A CN109459510 A CN 109459510A
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 239000001307 helium Substances 0.000 title claims abstract description 65
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 65
- 239000007789 gas Substances 0.000 claims abstract description 58
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 8
- -1 helium ion Chemical class 0.000 claims description 52
- 239000012159 carrier gas Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- LSJNBGSOIVSBBR-UHFFFAOYSA-N thionyl fluoride Chemical compound FS(F)=O LSJNBGSOIVSBBR-UHFFFAOYSA-N 0.000 claims description 5
- 238000004587 chromatography analysis Methods 0.000 claims description 4
- OBTWBSRJZRCYQV-UHFFFAOYSA-N sulfuryl difluoride Chemical compound FS(F)(=O)=O OBTWBSRJZRCYQV-UHFFFAOYSA-N 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000004454 trace mineral analysis Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 238000002679 ablation Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6034—Construction of the column joining multiple columns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of more helium ion detection systems, including more helium ion detection devices, first time isochronous controller, the second time controller and system terminal；More helium ion detection devices are tested breaker decomposition product for separation detection, are made of N number of helium ion detection modular unit, to form the detection of the road N；First time isochronous controller is arranged between subject circuit breaker gas valve output front end and the sample introduction end of helium ion detection modular unit；System terminal is connected with the testing result output end of helium ion detection modular unit, second time synchronization controller is arranged between the start end and system terminal of helium ion detection modular unit, so that every helium ion detection modular unit recycles the Detection task for restarting a new round after system terminal completion task.Real time sample can be realized at the scene by using this more helium ion detection system, while carrying out the device of online trace analysis to multiple gases component, provide data abundant for test.
Description
Technical field
The present invention relates to gas separation detection techniques, and in particular to a kind of more helium ion detection systems.
Background technique
According to international conference on large HV electric systems (CIGRE) statistical result, the electric life of high-voltage circuitbreaker is to influence breaker to use
One of principal element of the time limit, and arcing contact and spout are the critical components for determining electric life length.
As China's transferring electricity from the west to the east " eight hand over ten always " puts into operation and the continuous Construction and operation of the engineering of trans-regional networking, electric power
Power system capacity constantly increases, and capacity of short circuit is continuously increased, and the ability for cut-offfing short circuit current to breaker proposes requirements at the higher level.Its
In, AC filter and breaker need to fluctuate according to system loading and carry out frequent switching, put into closing for capacitive load and shove to going out
Arc chamber arcing contact, spout have apparent ablation cumulative effect, impact to the electric property of breaker.Line-breaker is more
It is secondary to cut-off short circuit current, after arcing contact, spout bear the cumulative effect of multiple arc erosion, if meet wanting of continuing to run
It asks, it is also desirable to which its electric property state is correctly assessed.
Due to SF6The insulating part of switch internal is organic insulation, and arc erosion leads to the decline of switch interior insulation performance simultaneously
So that SF6The increase of carbon-containing impurities gas content, CF in gas4、CO、CO2The detection of gas can be used as SF6Switch arc-chutes
One of the important method of state assessment analysis and Hidden fault judgement, to track SF6Gas component Evolution Development trend, needs
The gas component in breaker moving process is monitored in real time, but the field sampling steel cylinder method generallyd use at present can not expire
Sufficient project Research Requirements, there are the low problems of detection efficiency, while steel cylinder is adsorbed, transported for long-distance, standing time length makes sample gas group
Point content and live constituent content show larger difference, cause to SF6The state evaluation data of electrical equipment are not untrue, complete
Face, dimension be not various, is unable to satisfy project monitoring requirement.
Simultaneously as breaker gas component in folding current course has more than ten kinds, individually with a circuit detector and color
Column is composed it is difficult to ensure that being disposably totally separated them, and successively detect, and CO2、CF4、C2F6、C3F8、H2S、SOF2、SO2F2Deng
Trace components and H2、O2、N2、CO、SO2、CS2Component will reach multicomponent since chemical property, response time are distinct simultaneously
The purpose quickly detected, single detector have obviously been unable to satisfy requirement.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of more helium ion detection systems are provided,
To achieve the purpose that multicomponent simultaneously and quickly detect.
To achieve the above object, the technical scheme is that
A kind of more helium ion detection systems, including more helium ion detection devices, first time isochronous controller, the second time
Controller and system terminal；Wherein,
More helium ion detection devices are tested breaker decomposition product for separation detection, by N number of helium ion detection mould
Module unit is formed, to form the detection of the road N；
The first time isochronous controller setting is in subject circuit breaker gas valve output front end and helium ion detection mould
Between the sample introduction end of module unit, so that the detection sample injection time of N number of helium ion detection modular unit is pressed and is staggered；Wherein, N is
Integer, and it is more than or equal to 2；
The system terminal is connected with the testing result output end of helium ion detection modular unit, the second time synchronization control
Device processed is arranged between the start end and system terminal of helium ion detection modular unit, so that every helium ion detection modular unit
Circulation restarts the Detection task of a new round after system terminal completion task.
The helium ion detection modular unit includes the first switching valve, the second switching valve, third switching valve, the 4th switching
Valve, the 5th switching valve, the first chromatographic column, the second chromatographic column, third chromatographic column, the 4th chromatographic column, the 5th chromatographic column, the first detection
Device, the second detector, the first carrier gas and the second carrier gas；Wherein,
The air inlet with the first switching valve, third switching valve and the 4th switching valve respectively of the outlet side of first carrier gas
End is connected；Another inlet end of first switching valve is subject breaker decomposition product sample introduction end, the first switching valve, third switching
Valve and the 4th switching valve are sequentially connected, and form concatenation state, so that subject breaker decomposition product is able to enter first and cuts
It changes in valve, third switching valve and the 4th switching valve；
The outlet side of first switching valve is connected with the inlet end of the first chromatographic column, the outlet side of the first chromatographic column and
One inlet end of the second switching valve is connected, and another inlet end of the second switching valve and the outlet side of the second carrier gas are connected, the
The outlet side of two switching valves is connected with the inlet end of the second chromatographic column, the outlet side of the second chromatographic column and the first detector into
Gas end is connected；
The outlet side of the third switching valve is connected with the inlet end of third chromatographic column, the outlet side of third chromatographic column and
One inlet end of the 5th switching valve is connected, and another inlet end of the 5th switching valve and another outlet side of the second switching valve are connected
It connects, so that the second helium is able to enter to the 5th switching valve；The outlet side of 5th switching valve and air inlet with the 5th chromatographic column
End is connected, and the outlet side of the 5th chromatographic column is connected with the inlet end of the first detector；
The outlet side of 4th switching valve is connected with the inlet end of the 4th chromatographic column, the outlet side of the 4th chromatographic column and
Yet another inlet end of 5th switching valve is connected, and the outlet side of the 5th switching valve is connected with the inlet end of the 5th chromatographic column
It connects, the outlet side of the 5th chromatographic column is connected with the inlet end of the first detector.
First chromatographic column and the 4th chromatographic column are 4m silica gel chromatographic column；Second chromatographic column is 3m silica gel chromatograph
Column；The third chromatographic column is 15m capillary column；5th chromatographic column is 5A molecular sieve chromatography column.
The process that the helium ion detection modular unit separates subject breaker decomposition product mixed gas are as follows:
1: the first carrier gas of process is connected with the first switching valve, and after starting acquisition, the first switching valve switches to sample introduction state, the
One carrier gas carries the sample into the first chromatographic column, and the first chromatographic column is connect with the second switching valve, and the second carrier gas carries the first chromatography
The gas sample of column respectively enters the second switching valve, the SF in sample gas6It flows into before the second chromatographic column, by blowback by SF in sample gas6
It is vented by the second switching valve, SF6Again by switching gas circuit after draining, remaining sample goes successively to the first detector, to isolate
CO2、CF4、C2F6、C3F8、H2S、SOF2、SO2F2；
2: the first carrier gas of process is connected with the 4th switching valve, and after starting acquisition, the 4th switching valve switches to sample introduction state, the
One carrier gas carries the sample into the 4th chromatographic column, and the gas sample that the second carrier gas carries the 4th chromatographic column respectively enters the 5th switching valve,
Period passes through the 5th switching valve blowback for SF6Emptying, drains rear switchback sample introduction gas circuit, remaining sample continues to flow into the 5th chromatographic column
5, into the second detector, to isolate H2、O2、N2,CO；
3: the first carrier gas of process is connected with third switching valve, and after starting acquisition, third switching valve switches to sample introduction state, the
One carrier gas carries the sample into third chromatographic column, and the gas sample that the second carrier gas carries third chromatographic column respectively enters the 5th switching valve,
Third chromatographic column enters the second detector after the outflow of the 5th switching valve 5, to isolate SO2、CS2；
Wherein, process 2 and process 3 use serial sensing means, while parallel processing process 2.
Compared with prior art, the present invention the beneficial effect is that:
Can realize real time sample at the scene by using this more helium ion detection system, at the same to multiple gases component into
The device of the online trace analysis of row provides data abundant for test, while providing one kind to the real-time component analysis at scene to have
Detection means is imitated, SF can be tracked6Gas component Evolution Development trend discloses arc-chutes SF in accumulation ablation process6Gas group
Change and Development rule is divided to provide crucial foundation for accurate evaluation arc-chutes spout remaining life.
Detailed description of the invention
Fig. 1 is more helium ion detection system composition schematic diagrams provided in an embodiment of the present invention；
Fig. 2 is sample introduction is analyzed flow diagram；
In figure: 1, the first switching valve；2, the second switching valve；3, third switching valve；4, the 4th switching valve；5, the 5th switching
Valve；6, the first chromatographic column；7, the second chromatographic column；8, the 4th chromatographic column；9, the 5th chromatographic column；10, the first detector；11, second
Detector；12, the first carrier gas；13, the second carrier gas；14, third chromatographic column；100, first time isochronous controller；200, second
Time controller；300, system terminal.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
This more helium ion detection system is based on gas chromatographic detection technology, and gas-chromatography is a kind of separation side of physics
Method.Using measured matter each component different two alternate distribution coefficients (solubility) fine difference, when two-phase performs relative motion
When, the distribution repeated multiple times in two alternate progress of these substances makes only have small nature difference to generate very big effects originally,
And separate different component.
As shown in fig.1, when more helium ion detection systems provided in this embodiment include more helium ion detection devices, first
Between isochronous controller 100, the second time controller 200 and system terminal 300.Wherein,
Wherein, which is tested breaker decomposition product for separation detection, by N number of helium ion detection
Modular unit is formed, to form the detection of the road N, in this way, detect needs about 20 minutes according to industry average level all the way, if it is N
Road is avoided the peak hour detection according to fixed time interval, then a testing result can be obtained for every 20/N minutes, so as to realize multiple groups
The purpose divided and quickly detected.
Due to being by the way of multi-way detecting, can have crosstalk, pressure flow and time between each gas circuit is difficult to
The technical issues of accurate control, in order to solve these technical problems, the above-mentioned setting of first time isochronous controller 100 is being tested
Circuit breaker gas valve exports between front end and the sample introduction end of helium ion detection modular unit, so that N number of helium ion detection mould
The detection sample injection time of module unit, which is pressed, to be staggered；Wherein, N is integer, and is more than or equal to 2.System terminal 300 and helium ion detection
The testing result output end of modular unit is connected, to analyze the constituent content of subject breaker decomposition product mixing；And it is somebody's turn to do
The start end that helium ion detection modular unit is arranged in second time synchronization controller 200 (receives the electric signal that operation starts
Afterwards, relay excitation starts, and is that test macro control loop is powered, each component works normally under electric energy effect) and system
Between terminal, so that every helium ion detection modular unit recycles the detection times for restarting a new round after system terminal completion task
Business.On the one hand two time controllers can avoid roadway congestion (i.e. gas circuit sample introduction similar to the controlling system of traffic light of road traffic
Time-interleaving), on the one hand it can prevent resource vacancy from wasting.
It is described in detail for a helium ion detection modular unit below:
Each helium ion detection modular unit includes the first switching valve 1, the second switching valve 2, third switching valve 3,
Four switching valves 4, the 5th switching valve 5, the first chromatographic column 6, the second chromatographic column 7, third chromatographic column 14, the 4th chromatographic column 8, the five colors
Compose column 9, the first detector 10, the second detector 11, the first carrier gas 12 and the second carrier gas 13.
Wherein, the outlet side of first carrier gas 12 respectively with the first switching valve 1, third switching valve 3 and the 4th switching valve 4
An inlet end be connected；Another inlet end of first switching valve 1 is subject breaker decomposition product sample introduction end, the first switching valve
1, third switching valve 3 and the 4th switching valve 4 are sequentially connected, and form concatenation state, so that subject breaker decomposition product energy
Enough enter in the first switching valve 1, third switching valve 3 and the 4th switching valve 4.
The outlet side of first switching valve 1 is connected with the inlet end of the first chromatographic column 6, the outlet side of the first chromatographic column 6
It is connected with an inlet end of the second switching valve 2, the outlet side of another inlet end of the second switching valve 2 and the second carrier gas 13 is connected
It connects, the outlet side of the second switching valve 2 is connected with the inlet end of the second chromatographic column 7, the outlet side of the second chromatographic column 7 and the first inspection
The inlet end for surveying device 10 is connected.
The outlet side of the third switching valve 3 is connected with the inlet end of third chromatographic column 14, the outlet of third chromatographic column 14
End is connected with an inlet end of the 5th switching valve 5, another inlet end of the 5th switching valve 5 and the second switching valve 2 it is another out
Gas end is connected, so that the second helium 13 is able to enter to the 5th switching valve 5；The outlet side of 5th switching valve 5 and with the 5th
The inlet end of chromatographic column 9 is connected, and the outlet side of the 5th chromatographic column 9 is connected with the inlet end of the first detector 10.
The outlet side of 4th switching valve 4 is connected with the inlet end of the 4th chromatographic column 8, the outlet side of the 4th chromatographic column 8
It is connected with yet another inlet end of the 5th switching valve 5, the outlet side of the 5th switching valve 5 and the inlet end with the 5th chromatographic column 9
It is connected, the outlet side of the 5th chromatographic column 9 is connected with the inlet end of the first detector 10.
Mixed gas (i.e. subject breaker decomposition product) is specific in the separation process of a helium ion detection unit module
It is as follows:
1: the first carrier gas 12 of process and the connection of the first switching valve 1, after starting acquisition, the first switching valve 1 switches to sample introduction shape
State, the first carrier gas 12 carry the sample into the first chromatographic column 6, and the first chromatographic column 6 is connect with the second switching valve 2, the second carrier gas 13
The gas sample for carrying the first chromatographic column 6 respectively enters the second switching valve 2, the SF in sample gas6It flows into before the second chromatographic column 7, passes through
Blowback is crossed by SF in sample gas6It is vented by the second switching valve 2, SF6Again by switching gas circuit after draining, remaining sample goes successively to
One detector 10, to isolate CO2、CF4、C2F6、C3F8、H2S、SOF2、SO2F2；
2: the first carrier gas 12 of process and the connection of the 4th switching valve 4, after starting acquisition, the 4th switching valve 4 switches to sample introduction shape
State, the first carrier gas 12 carry the sample into the 4th chromatographic column 8, and the gas sample that the second carrier gas 13 carries the 4th chromatographic column 8 respectively enters
During which 5th switching valve 5 passes through 5 blowback of the 5th switching valve for SF6Emptying, drains rear switchback sample introduction gas circuit, and remaining sample continues
The 5th chromatographic column 9 is flowed into, into the second detector 11, to isolate H2、O2、N2,CO；
3: the first carrier gas 12 of process and third switching valve 3 connect, and after starting acquisition, third switching valve 3 switches to sample introduction shape
State, the first carrier gas 12 carry the sample into third chromatographic column 14, and the gas sample that the second carrier gas 13 carries third chromatographic column 8 respectively enters
5th switching valve 5, third chromatographic column 14 enters the second detector 11 after the outflow of the 5th switching valve 5, to isolate SO2、CS2；
Wherein, process 2 and process 3 use serial sensing means, while parallel processing process 2, can effectively shorten single
The time of sample detection.
It follows that each helium ion detection modular unit can single injected sampling detection O2、N2、CO、CO2、NO2、CF4、
C2F6、C3F8、H2S、SO2、SOF2、SO2F2、S2F10O、SF6Up to 14 kinds of components, SF is tracked6Gas component Evolution Development trend discloses
Arc-chutes SF in accumulation ablation process6Gas component Change and Development rule.
Chromatographic column is used to separate a variety of points of decomposition products in mixed gas, sequentially enters rear end detector later, responds
Electric signal out, as concentration Basis, so as to track SF6Gas component Evolution Development trend is accurate evaluation arc-chutes
Spout remaining life provides crucial foundation
Specifically, the first above-mentioned chromatographic column 6 and the 4th chromatographic column 8 are 4m silica gel chromatographic column, which is
3m silica gel chromatographic column；The third chromatographic column 14 is 15m capillary column；5th chromatographic column 9 is 5A molecular sieve chromatography column.By skilful
The chromatographic column of wonderful setting different model specification, fast and efficiently to be separated to a variety of points of decomposition products in mixed gas.
That is, more helium ion detection devices of this system are based on gas chromatographic detection technology, by N set helium ion inspection
Modular unit composition is surveyed, each detection module unit need to shunt 3 tunnels and respectively enter rear end detector, and same by another time
It walks controller arrangement and carries out cycle task, thus realize that accurate time response separation is detected with concentration quantitative, as shown in Fig. 2,
For sample introduction is analyzed the in turn flow diagram of this system, it can integrate N according to test demand inside more helium ion detection devices and cover helium
Ion detection modular unit is realized sampling interval 20/N minutes, the first round in the case where every 20 minutes complete wheel analysis times
Sample introduction uses detection module unit 1, starts sample introduction at the moment 0；As the 1st wheel analysis time progress value 20/N, start to detect mould
Module unit the 2nd takes turns sample introduction, in moment 20* (N-1)/N, starts N and takes turns sample introduction, at the moment 20 minutes, detection module unit
Complete an analysis completely taken turns after, by time synchronization controller issue again sample introduction is analyzed order, and so on.
To sum up, real time sample can be realized at the scene by using this more helium ion detection system, while to multiple gases
Component carries out the device of online trace analysis, provides data abundant for test, while providing the real-time component analysis at scene
A kind of effective detection means realizes that the electrification real-time monitoring of 14 kinds of gas component contents, detection accuracy reach 0.1ppm, repeatability
Deviation tracks SF less than 1%6Gas component Evolution Development trend discloses arc-chutes SF in accumulation ablation process6Gas component
Change and Development rule provides crucial foundation for accurate evaluation arc-chutes spout remaining life.
Specifically, by wireless between above-mentioned system terminal and the testing result output end of helium ion detection modular unit
The mode of router realizes communication connection, the data that remote collection is arrived, and carries out quantitative analysis, while can set and automatically connect
Continuous sample time program after switching test starts, is not necessarily to manual intervention, and terminal presses fixed frequency collection analysis testing number automatically
According to.The system terminal is computer either tablet computer.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (6)
1. a kind of more helium ion detection systems, which is characterized in that including more helium ion detection devices, first time synchronously control
Device, the second time controller and system terminal；Wherein,
More helium ion detection devices are tested breaker decomposition product for separation detection, by N number of helium ion detection module list
Member is formed, to form the detection of the road N；
The first time isochronous controller setting is in subject circuit breaker gas valve output front end and helium ion detection module list
Between the sample introduction end of member, so that the detection sample injection time of N number of helium ion detection modular unit is pressed and is staggered；Wherein, N is whole
Number, and it is more than or equal to 2；
The system terminal is connected with the testing result output end of helium ion detection modular unit, the second time synchronization controller
It is arranged between the start end and system terminal of helium ion detection modular unit, so that every helium ion detection modular unit is being
Circulation restarts the Detection task of a new round after system terminal completion task.
2. more helium ion detection systems as described in claim 1, which is characterized in that the helium ion detection modular unit includes
First switching valve, the second switching valve, third switching valve, the 4th switching valve, the 5th switching valve, the first chromatographic column, the second chromatographic column,
Third chromatographic column, the 4th chromatographic column, the 5th chromatographic column, the first detector, the second detector, the first carrier gas and the second carrier gas；
Wherein,
The outlet side of first carrier gas inlet end phase with the first switching valve, third switching valve and the 4th switching valve respectively
Connection；Another inlet end of first switching valve be subject breaker decomposition product sample introduction end, the first switching valve, third switching valve with
And the 4th switching valve be sequentially connected, formed concatenation state so that subject breaker decomposition product be able to enter the first switching valve,
In third switching valve and the 4th switching valve；
The outlet side of first switching valve is connected with the inlet end of the first chromatographic column, the outlet side of the first chromatographic column and second
One inlet end of switching valve is connected, and another inlet end of the second switching valve and the outlet side of the second carrier gas are connected, and second cuts
The outlet side for changing valve is connected with the inlet end of the second chromatographic column, the inlet end of the outlet side of the second chromatographic column and the first detector
It is connected；
The outlet side of the third switching valve is connected with the inlet end of third chromatographic column, the outlet side of third chromatographic column and the 5th
One inlet end of switching valve is connected, and another inlet end of the 5th switching valve and another outlet side of the second switching valve are connected,
So that the second helium is able to enter to the 5th switching valve；The outlet side of 5th switching valve and inlet end phase with the 5th chromatographic column
Connection, the outlet side of the 5th chromatographic column is connected with the inlet end of the first detector；
The outlet side of 4th switching valve is connected with the inlet end of the 4th chromatographic column, the outlet side and the 5th of the 4th chromatographic column
Yet another inlet end of switching valve is connected, and the outlet side of the 5th switching valve is connected with the inlet end of the 5th chromatographic column, the
The outlet side of five chromatographic columns is connected with the inlet end of the first detector.
3. more helium ion detection systems as claimed in claim 2, which is characterized in that first chromatographic column and the 4th chromatographic column
It is 4m silica gel chromatographic column；Second chromatographic column is 3m silica gel chromatographic column；The third chromatographic column is 15m capillary column；Institute
Stating the 5th chromatographic column is 5A molecular sieve chromatography column.
4. more helium ion detection systems as described in claim 1, which is characterized in that the system terminal and helium ion detection mould
Communication connection is realized by way of wireless router between the testing result output end of module unit.
5. more helium ion detection systems as described in claim 1 or 4, which is characterized in that the system terminal be computer or
It is tablet computer.
6. more helium ion detection systems as claimed in claim 2 or claim 3, which is characterized in that the helium ion detection modular unit
The process that subject breaker decomposition product mixed gas is separated are as follows:
1: the first carrier gas of process is connected with the first switching valve, and after starting acquisition, the first switching valve switches to sample introduction state, and first carries
Gas carries the sample into the first chromatographic column, and the first chromatographic column is connect with the second switching valve, and the second carrier gas carries the first chromatographic column
Gas sample respectively enters the second switching valve, the SF in sample gas6It flows into before the second chromatographic column, by blowback by SF in sample gas6Pass through
The emptying of second switching valve, SF6Again by switching gas circuit after draining, remaining sample goes successively to the first detector, to isolate CO2、
CF4、C2F6、C3F8、H2S、SOF2、SO2F2；
2: the first carrier gas of process is connected with the 4th switching valve, and after starting acquisition, the 4th switching valve switches to sample introduction state, and first carries
Gas carries the sample into the 4th chromatographic column, and the gas sample that the second carrier gas carries the 4th chromatographic column respectively enters the 5th switching valve, during which
By the 5th switching valve blowback by SF6Emptying, drains rear switchback sample introduction gas circuit, and remaining sample continues to flow into the 5th chromatographic column 5, into
Enter the second detector, to isolate H2、O2、N2,CO；
3: the first carrier gas of process is connected with third switching valve, and after starting acquisition, third switching valve switches to sample introduction state, and first carries
Gas carries the sample into third chromatographic column, and the gas sample that the second carrier gas carries third chromatographic column respectively enters the 5th switching valve, third
Chromatographic column enters the second detector after the outflow of the 5th switching valve 5, to isolate SO2、CS2；
Wherein, process 2 and process 3 use serial sensing means, while parallel processing process 2.
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