CN106679889A - Gas leakage detection apparatus and detection method of the same - Google Patents
Gas leakage detection apparatus and detection method of the same Download PDFInfo
- Publication number
- CN106679889A CN106679889A CN201710028666.1A CN201710028666A CN106679889A CN 106679889 A CN106679889 A CN 106679889A CN 201710028666 A CN201710028666 A CN 201710028666A CN 106679889 A CN106679889 A CN 106679889A
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- Prior art keywords
- gas
- container
- detection apparatus
- leak detection
- upper strata
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000001514 detection method Methods 0.000 title claims abstract description 66
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 41
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims description 90
- 210000005056 cell body Anatomy 0.000 claims description 33
- 230000004888 barrier function Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 2
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a gas leakage detection apparatus. The gas leakage detection apparatus includes a gas collection container, wherein the gas collection container is formed by an upper layer container and a lower layer container which are distributed successively in the vertical direction; an air inlet pipeline and an air outlet pipeline which are communicated to the outside of the gas collection container is arranged in the upper layer container; an air pump is arranged in the air inlet pipeline; the bottom end part of the lower layer container is provided with a gas sensor; the upper layer container and the bottom layer container are separated by a separation end plate extending in the horizontal direction; a gas collection groove is formed in the separation end plate, and extends to the inside of the lower layer container; and the gas collection groove is mutually communicated with the lower layer container. The gas leakage detection apparatus and the detection method of the same can efficiently and accurately detect the leakage situation of sulfur hexafluoride gas in an electrical equipment environment so as to guarantee the working safety of electrical equipment on the premise of effectively reducing the detection cost.
Description
Technical field
The present invention relates to the protection of electrical equipment and detection field, especially a kind of gas leak detection apparatus and its detection
Method.
Background technology
Sulfur hexafluoride is widely used in electrical equipment based on its good insulating properties, such as transmission of electricity pipeline,
Do insulation among transformator, transformer station to process with arc extinguishing；Sulfur hexafluoride is in actual use often due to unexpected factor
And certain leakage is produced, the leakage of sulfur hexafluoride not only causes the service behaviour of electrical equipment to be affected, excessive hexafluoro
Changing the greenhouse effect produced by sulfur can do great damage to environment.So, sulfur hexafluoride is both needed in use to related electric
Equipment carries out Leakage inspection, to guarantee normally using for sulfur hexafluoride.However, existing sulfur hexafluoride gas Leak Detection
It is both needed to be arranged in relevant environment multiple sensors to meet its Detection results, above-mentioned detection mode is not only relatively costly, and
The equal Shortcomings on detection efficiency and precision.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of gas leak detection apparatus and its detection method, and it can be low
Cost way is realized for sulfur hexafluoride gas leakage situation efficiently and is accurately detected in electrical equipment.
To solve above-mentioned technical problem, the present invention relates to a kind of gas leak detection apparatus, it includes gas collection container, collection
The upper strata container and lower layers of containers that gas container is sequentially distributed by the vertical direction is constituted, and conducting is provided among the container of upper strata
To the admission line and outlet pipe of gas collection external container, admission line is internally provided with air pump, the bottom of lower layers of containers
It is provided with gas sensor；Carried out point by the barrier end panel that extends in the horizontal direction between the upper strata container and lower layers of containers
Every being provided with the pneumatic trough extended towards lower layers of containers inside, pneumatic trough and lower layers of containers mutual conduction among barrier end panel.
Used as a modification of the present invention, the pneumatic trough includes that in the vertical direction is from top to bottom sequentially distributed
One cell body, the second cell body and the 3rd cell body, wherein, the diameter of the first cell body is from top to bottom gradually reduced, the 3rd cell body it is straight
Footpath from top to bottom gradually increases；Axial length of the axial length of first cell body less than the 3rd cell body.Using above-mentioned technology
Scheme, the Diameter Gradual Change of its first cell body and the 3rd cell body that can pass through pneumatic trough is arranged, so that the 3rd cell body can be relative
When producing certain suction function in the first cell body, and then causing sulfur hexafluoride gas occur in pneumatic trough, it can make in negative pressure
Quickly it is sucked into the 3rd cell body and then is entered among lower layers of containers to be detected with lower；The structure setting of above-mentioned pneumatic trough makes
The gas leak detection apparatus in the application are obtained for the detection efficiency and accuracy of detection of sulfur hexafluoride are significantly improved.
Used as a modification of the present invention, the admission line enters diagonally downward via it with the connection end of upper strata container
Row extends；The outlet pipe is tilted upward with the connection end of upper strata container via it and extended.Using above-mentioned technical side
Case, it can be by tilting upward the admission line of extension so that in the inferior hexafluoro for being precipitated to detection environment bottom of Gravitative Loads
Change sulfur gas can quickly be sucked, and the structure that outlet pipe is tilted upward can avoid sulfur hexafluoride with air-flow fast conducting extremely
Gas collection external container, and then ensure that gas leak detection apparatus are for the detection of sulfur hexafluoride in environment is spent in the application.
Used as a modification of the present invention, among the upper strata container, the end position of outlet pipe is provided with along outlet
The baffle plate that the radial direction of pipeline is extended, it is arranged on inside the container of upper strata；Footpath of the area of the baffle plate more than outlet pipe
To area of section.Using above-mentioned technical proposal, its upper strata container internal gas flow Jing baffle plate that are configured so that can pass through baffle plate hinders
Export then after gear, and then sulfur hexafluoride gas can be caused to sink under the barrier effect of baffle plate, and then guarantee that it enters to collection
Inside air drain.
As a modification of the present invention, among the lower layers of containers, auxiliary is provided with the bottom face of barrier end panel
Gas sensor, auxiliary alarm is carried out when it can be full of sulfur hexafluoride gas inside lower layers of containers by aiding in gas sensor
Process, so that being controlled when staff is for sulfur hexafluoride gas leak condition.
It is as follows for the leakage detection method of electrical equipment sulfur hexafluoride is included using above-mentioned gas leak detecting device
Step：1）2 to 4 gas leak detection apparatus, multiple gases are set on the bottom face of electrical equipment environment to be detected
Leak detecting device is with regard to electrical equipment into rotationally symmetrical distribution；2）By admission line inside gas in gas leak detection apparatus
Pump causes gas rear so that the gas in detection environment to be continued among the upper strata container of suction to gas leak detection apparatus
Flowed out by outlet pipe under continuous airflow function；3）When there is sulfur hexafluoride in the electrical equipment under detection state leakage occurs, because
Gas is conducted oneself with dignity and is drowned into the sulfur hexafluoride of detection environment bottom and enters to gas leak detection apparatus with gas in detection environment
Upper strata container among, sulfur hexafluoride is traveled further in pneumatic trough under the effect of itself proportion, and then is conducted to lower layers of containers
It is interior；Then to staff alarm processing is carried out when gas sensor among lower layers of containers detects sulfur hexafluoride.Above-mentioned gas
Body leak detecting device and its detection method can be carried out efficiently for the sulfur hexafluoride gas leakage situation in electrical equipment environment
And accurately detect, to cause the job security of electrical equipment to be ensured on the premise of testing cost is effectively reduced.
Description of the drawings
Fig. 1 is schematic diagram of the present invention；
Reference numerals list：
1-gas collection container, 101-upper strata container, 102-lower layers of containers, 2-admission line, 3-outlet pipe, 4-air pump,
5-gas sensor, 6-barrier end panel, 7-pneumatic trough, the 701-the first cell body, the 702-the second cell body, the 703-the three groove
Body, 8-baffle plate, 9-gas sensor.
Specific embodiment
With reference to specific embodiment and accompanying drawing, the present invention is further elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the present invention.It should be noted that word " front " following used in description,
" afterwards ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outward " refer respectively to direction or remote
From the direction of particular elements geometric center.
Embodiment 1
A kind of gas leak detection apparatus as shown in Figure 1, it includes gas collection container 1, and gas collection container 1 is by the vertical direction
The upper strata container 101 and lower layers of containers 102 being sequentially distributed is constituted, and is provided among upper strata container 101 and is conducted to gas collection container
The admission line 2 and outlet pipe 3 of outside, admission line 2 is internally provided with air pump 4, and the bottom of lower layers of containers 102 is arranged
There is gas sensor 5；Barrier end panel 6 between the upper strata container 101 and lower layers of containers 102 by extending in the horizontal direction enters
Row separates, and the pneumatic trough 7 extended towards lower layers of containers inside, pneumatic trough 7 and lower layers of containers 102 are provided among barrier end panel 6
Mutual conduction.
It is as follows for the leakage detection method of electrical equipment sulfur hexafluoride is included using above-mentioned gas leak detecting device
Step：1）2 to 4 gas leak detection apparatus, multiple gases are set on the bottom face of electrical equipment environment to be detected
Leak detecting device is with regard to electrical equipment into rotationally symmetrical distribution；2）By admission line inside gas in gas leak detection apparatus
Pump causes gas rear so that the gas in detection environment to be continued among the upper strata container of suction to gas leak detection apparatus
Flowed out by outlet pipe under continuous airflow function；3）When there is sulfur hexafluoride in the electrical equipment under detection state leakage occurs, because
Gas is conducted oneself with dignity and is drowned into the sulfur hexafluoride of detection environment bottom and enters to gas leak detection apparatus with gas in detection environment
Upper strata container among, sulfur hexafluoride is traveled further in pneumatic trough under the effect of itself proportion, and then is conducted to lower layers of containers
It is interior；Then to staff alarm processing is carried out when gas sensor among lower layers of containers detects sulfur hexafluoride.Above-mentioned gas
Body leak detecting device and its detection method can be carried out efficiently for the sulfur hexafluoride gas leakage situation in electrical equipment environment
And accurately detect, to cause the job security of electrical equipment to be ensured on the premise of testing cost is effectively reduced.
Embodiment 2
Used as a modification of the present invention, the pneumatic trough 7 includes first that in the vertical direction is from top to bottom sequentially distributed
Cell body 701, the second cell body 702 and the 3rd cell body 703, wherein, the diameter of the first cell body 701 is from top to bottom gradually reduced, the
The diameter of three cell bodies 703 from top to bottom gradually increases；Axle of the axial length of first cell body 701 less than the 3rd cell body 703
To length.Using above-mentioned technical proposal, the Diameter Gradual Change of its first cell body and the 3rd cell body that can pass through pneumatic trough is arranged, with
So that the 3rd cell body can produce certain suction function relative to the first cell body, and then cause sulfur hexafluoride gas occur in pneumatic trough
During body, it can quickly be sucked into the 3rd cell body under suction function and then enter among lower layers of containers to be detected；It is above-mentioned
The structure setting of pneumatic trough causes detection efficiency and detection of the gas leak detection apparatus in the application for sulfur hexafluoride
Precision is significantly improved.
Remaining feature of the present embodiment is same as Example 1 with advantage.
Embodiment 3
Used as a modification of the present invention, the admission line 2 enters diagonally downward via it with the connection end of upper strata container 101
Row extends；The outlet pipe 3 is tilted upward with the connection end of upper strata container 101 via it and extended.Using above-mentioned skill
Art scheme, it can be by tilting upward the admission line of extension so that detecting environment bottom in inferior being precipitated to of Gravitative Loads
Sulfur hexafluoride gas can be sucked quickly, and the structure that outlet pipe is tilted upward can avoid sulfur hexafluoride from quickly leading with air-flow
Gas collection external container is passed to, and then ensure that gas leak detection apparatus are equal for the detection of sulfur hexafluoride in environment in the application
Degree.
Remaining feature of the present embodiment is same as Example 2 with advantage.
Embodiment 4
Used as a modification of the present invention, among the upper strata container 101, the end position of outlet pipe 3 is provided with along outlet
The baffle plate 8 that the radial direction of pipeline 3 is extended, it is arranged on inside upper strata container 101；The area of the baffle plate 8 is more than escape pipe
The radial section area in road 3.Using above-mentioned technical proposal, it can be configured so that upper strata container internal gas flow Jing by baffle plate
Export then after baffle, and then sulfur hexafluoride gas can be caused to sink under the barrier effect of baffle plate, and then guarantee that it enters
Enter to pneumatic trough.
Remaining feature of the present embodiment is same as Example 3 with advantage.
Embodiment 5
As a modification of the present invention, among the lower layers of containers 102, auxiliary is provided with the bottom face of barrier end panel 6
Gas sensor 9, is aided in when it can be full of sulfur hexafluoride gas inside lower layers of containers 102 by aiding in gas sensor
Alarm processing, so that being controlled when staff is for sulfur hexafluoride gas leak condition.
Remaining feature of the present embodiment is same as Example 4 with advantage.
Claims (6)
1. a kind of gas leak detection apparatus, it is characterised in that the gas leak detection apparatus include gas collection container, gas collection
The upper strata container and lower layers of containers that container is sequentially distributed by the vertical direction is constituted, and is provided among the container of upper strata and is conducted to
The admission line and outlet pipe of gas collection external container, admission line is internally provided with air pump, and the bottom of lower layers of containers sets
It is equipped with gas sensor；Carried out point by the barrier end panel that extends in the horizontal direction between the upper strata container and lower layers of containers
Every being provided with the pneumatic trough extended towards lower layers of containers inside, pneumatic trough and lower layers of containers mutual conduction among barrier end panel.
2. according to the gas leak detection apparatus described in claim 1, it is characterised in that the pneumatic trough is included in vertically side
The first cell body, the second cell body and the 3rd cell body being from top to bottom sequentially distributed upwards, wherein, the diameter of the first cell body is by up to
Under be gradually reduced, the diameter of the 3rd cell body from top to bottom gradually increases；The axial length of first cell body is less than the 3rd cell body
Axial length.
3. according to the gas leak detection apparatus described in claim 2, it is characterised in that the admission line is via itself and upper strata
The connection end of container is extended diagonally downward；The outlet pipe is tilted upward via it with the connection end of upper strata container
Extended.
4. according to the gas leak detection apparatus described in Claims 2 or 3, it is characterised in that among the upper strata container, outlet
The end position of pipeline is provided with the baffle plate extended along the radial direction of outlet pipe, and it is arranged on inside the container of upper strata；It is described
Radial section area of the area of baffle plate more than outlet pipe.
5. according to the gas leak detection apparatus described in claim 4, it is characterised in that among the lower layers of containers, isolation end
Auxiliary gas sensor is provided with the bottom face of plate.
6. the gas leak detection apparatus described in a kind of employing claim 1 are for the Leak Detection side of electrical equipment sulfur hexafluoride
Method, it is characterised in that the gas leak detection apparatus for the leakage detection method of electrical equipment sulfur hexafluoride include just like
Lower step：
1）2 to 4 gas leak detection apparatus are set on the bottom face of electrical equipment environment to be detected, and multiple gases are let out
Device for detecting leakage is with regard to electrical equipment into rotationally symmetrical distribution；
2）By admission line inside air pump in gas leak detection apparatus with the lasting suction of the gas that will be detected in environment to gas
Among the upper strata container of body leak detecting device, and gas is flowed out under follow-up airflow function by outlet pipe；
3）When sulfur hexafluoride occurs in the electrical equipment under detection state leakage occurs, sulfur hexafluoride enters with gas in detection environment
Enter to the upper strata container of gas leak detection apparatus, sulfur hexafluoride is entered in pneumatic trough under the effect of itself proportion, and then
It is conducted in lower layers of containers；Then warned to staff when gas sensor among lower layers of containers detects sulfur hexafluoride
Report process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028666.1A CN106679889A (en) | 2017-01-16 | 2017-01-16 | Gas leakage detection apparatus and detection method of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028666.1A CN106679889A (en) | 2017-01-16 | 2017-01-16 | Gas leakage detection apparatus and detection method of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679889A true CN106679889A (en) | 2017-05-17 |
Family
ID=58858984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028666.1A Pending CN106679889A (en) | 2017-01-16 | 2017-01-16 | Gas leakage detection apparatus and detection method of the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106679889A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406220A (en) * | 2017-08-16 | 2019-03-01 | 咸东锡 | Gas sample collector and gas leak detection apparatus including it |
| CN110346095A (en) * | 2019-05-31 | 2019-10-18 | 上海江南长兴造船有限责任公司 | A kind of close property checking tool of Ship Power Equipment and its application method |
| CN110631781A (en) * | 2019-09-25 | 2019-12-31 | 广州供电局有限公司 | SF6 gas recovery device for infrared leak detection |
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| US20040003653A1 (en) * | 2002-07-02 | 2004-01-08 | Carrier Corporation | Trace gas management system for leak detection operations |
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| CN102121865A (en) * | 2010-12-18 | 2011-07-13 | 山东电力集团公司超高压公司 | SF6 (sulfur hexafluoride) gas leakage and collection detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406220A (en) * | 2017-08-16 | 2019-03-01 | 咸东锡 | Gas sample collector and gas leak detection apparatus including it |
| CN110346095A (en) * | 2019-05-31 | 2019-10-18 | 上海江南长兴造船有限责任公司 | A kind of close property checking tool of Ship Power Equipment and its application method |
| CN110631781A (en) * | 2019-09-25 | 2019-12-31 | 广州供电局有限公司 | SF6 gas recovery device for infrared leak detection |
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Application publication date: 20170517 |
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