CN209707448U - A kind of helium ion detector - Google Patents
A kind of helium ion detector Download PDFInfo
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- CN209707448U CN209707448U CN201821879188.1U CN201821879188U CN209707448U CN 209707448 U CN209707448 U CN 209707448U CN 201821879188 U CN201821879188 U CN 201821879188U CN 209707448 U CN209707448 U CN 209707448U
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- switching valve
- chromatographic column
- inlet end
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- detector
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Abstract
The utility model discloses a kind of helium ion detector, which 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 detector, the second detector, the first carrier gas and the second carrier gas.The separation of subject breaker decomposition product mixed gas can be rapidly realized by using this helium ion detector, chromatographic column is used to separate a variety of points of decomposition products in mixed gas, sequentially enters rear end detector later, responds out electric signal, as concentration Basis, so as to track SF6Gas component Evolution Development trend provides crucial foundation for accurate evaluation arc-chutes spout remaining life.
Description
Technical field
The utility model relates to gas componant detection technique fields, and in particular to a kind of helium ion detector and subject open circuit
Device decomposition product mixed gas separation method.
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.
And breaker gas component variation in folding current course is that accurate evaluation arc-chutes spout remaining life provides
One of crucial foundation, to track SF6Gas component Evolution Development trend needs in real time to the gas group in breaker moving process
Divide and be monitored, but the field sampling steel cylinder method generallyd use at present is unable to satisfy project Research Requirements, it is low that there are detection efficiencies
Lower problem, traditional SF6Gas component test can only generally measure H2S, SO2, CO content can not detect various ingredients gas, together
When steel cylinder absorption, long-distance transport, standing time it is long so that sample gas constituent content and live constituent content is shown larger difference, cause
To SF6The state evaluation data of electrical equipment are untrue, not comprehensive, dimension is not various, are unable to satisfy project monitoring requirement.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of helium ion detector, with for
Accurate evaluation arc-chutes spout remaining life provides reference frame.
To achieve the above object, the technical solution of the utility model is:
A kind of helium ion detector, including 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 detector, 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 helium ion detector further includes analysing terminal, and first detector and the second detector are detected
Data information transfer into analysing terminal, analyzed by analysing terminal subject breaker decomposition product constituent content.
Communication connection is realized by wireless router between the analysing terminal and the first detector and the second detector.
The utility model compared with prior art, the beneficial effect is that:
The separation of subject breaker decomposition product mixed gas can be rapidly realized by using this helium ion detector,
Chromatographic column is used to separate a variety of points of decomposition products in mixed gas, sequentially enters rear end detector later, responds out electric signal,
As concentration Basis, so as to track SF6Gas component Evolution Development trend is the accurate evaluation arc-chutes spout remaining longevity
Life provides crucial foundation.
Detailed description of the invention
Fig. 1 is helium ion detector composition schematic diagram provided by the embodiment of the utility model；
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.
Specific embodiment
The content of the utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
This helium ion detector is based on gas chromatographic detection technology, and gas-chromatography is a kind of separation method of physics.Benefit
With measured matter each component different two alternate distribution coefficients (solubility) fine difference, when two-phase performs relative motion, this
A little substances make in the two alternate effects for carrying out repeated multiple times distribution, keeping originally only small nature difference generation very big
Different component is separated.
As shown in fig.1, helium ion detector provided in this embodiment includes the first switching valve 1, the second switching valve 2, the
Three switching valves 3, the 4th switching valve 4, the 5th switching valve 5, the first chromatographic column 6, the second chromatographic column 7, third chromatographic column 14, the 4th color
Compose column 8, the 5th chromatographic 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.
Correspondingly, the present embodiment additionally provides a kind of subject breaker decomposition product mixed gas separation method, this method
It is carried out using above-mentioned helium ion detector, including following process step:
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 can single injected sampling detection O by using this helium ion detector2、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 extinguishing
Room SF in accumulation ablation process6Gas component Change and Development rule.Meanwhile CF4、CO、CO2The detection of gas can also be used as
SF6Switch one of the important method of arc-chutes state assessment analysis and Hidden fault judgement.
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.
Preferably, above-mentioned helium ion detector further includes analysing terminal 15, first detector 10 and the second detector
11 data information transfers detected are analyzed subject breaker by analysing terminal 15 and decompose production into analysing terminal 15
The constituent content of object, so as to realize remote analysis, without field sampling steel cylinder method, while improving separative efficiency
The accuracy of testing result can be improved.Specifically, above-mentioned analysing terminal 15 and the first detector 10 and the second detector
Communication connection is realized by wireless router between 11.
For above-described embodiment simply to illustrate that the technical ideas and features of the present invention, its purpose is allows this field
Interior those of ordinary skill can understand the content of the utility model and implement accordingly, can not limit the utility model with this
Protection scope.The equivalent changes or modifications that all essence according to the content of the present invention is made, should all cover in this reality
With in novel protection scope.
Claims (4)
1. a kind of helium ion detector, which is characterized in that cut including the first switching valve, the second switching valve, third switching valve, the 4th
Change 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 inspection
Survey device, 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.
2. helium ion detector as described in claim 1, which is characterized in that first chromatographic column and the 4th chromatographic column are
4m silica gel chromatographic column；Second chromatographic column is 3m silica gel chromatographic column；The third chromatographic column is 15m capillary column；Described
Five chromatographic columns are 5A molecular sieve chromatography column.
3. helium ion detector as claimed in claim 1 or 2, which is characterized in that it further include analysing terminal, first detection
The data information transfer that device and the second detector are detected is analyzed subject open circuit by analysing terminal into analysing terminal
The constituent content of device decomposition product.
4. helium ion detector as claimed in claim 3, which is characterized in that the analysing terminal and the first detector and
Communication connection is realized by wireless router between two detectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879188.1U CN209707448U (en) | 2018-11-14 | 2018-11-14 | A kind of helium ion detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879188.1U CN209707448U (en) | 2018-11-14 | 2018-11-14 | A kind of helium ion detector |
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| Publication Number | Publication Date |
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| CN209707448U true CN209707448U (en) | 2019-11-29 |
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ID=68636287
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| CN201821879188.1U Active CN209707448U (en) | 2018-11-14 | 2018-11-14 | A kind of helium ion detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459511A (en) * | 2018-11-14 | 2019-03-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Helium ion detector and subject breaker decomposition product mixed gas separation method |
-
2018
- 2018-11-14 CN CN201821879188.1U patent/CN209707448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459511A (en) * | 2018-11-14 | 2019-03-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Helium ion detector and subject breaker decomposition product mixed gas separation method |
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