CN108332913A - The infrared leak detection auxiliary tools of SF6 - Google Patents
The infrared leak detection auxiliary tools of SF6 Download PDFInfo
- Publication number
- CN108332913A CN108332913A CN201810104251.2A CN201810104251A CN108332913A CN 108332913 A CN108332913 A CN 108332913A CN 201810104251 A CN201810104251 A CN 201810104251A CN 108332913 A CN108332913 A CN 108332913A
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- CN
- China
- Prior art keywords
- leak detection
- ajutage
- auxiliary tools
- pedestal
- detection auxiliary
- 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.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 230000000875 corresponding Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 14
- 238000007664 blowing Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N Sulfur hexafluoride Chemical compound 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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound 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[Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000737 periodic Effects 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light for analysing gases, e.g. multi-gas analysis
Abstract
The present invention relates to a kind of infrared leak detection auxiliary tools of SF6 comprising pedestal is equipped with wind turbine in the middle part of pedestal and air outlet is respectively set in the both sides of wind turbine, and the bottom of pedestal is connected with handle, and two are hinged at the top of pedestal can be to the ajutage that is integrated；The air outlet of both sides is connected to by flexible discharge pipe with the bottom of two ajutages respectively；Ajutage it is closed at both ends, the involutory surfaces of two ajutages is plane, corresponding respectively on two involutory surfaces to offer multiple air pushing holes and corresponding two air pushing holes connection in two pipe pairings；The top of wherein one ajutage is connected with metal stereotypes hoses, the single air outlet of top setting of metal stereotypes hoses.The present invention solves the problems, such as calm in SF6 leak detections, and overall structure is simple, manipulation is convenient, detection result is good.
Description
Technical field
The present invention relates to SF6 equipment leakage detection fields, specifically a kind of infrared leak detection auxiliary tools of SF6.
Background technology
SF6（Sulfur hexafluoride）It is a kind of dielectric, dielectric strength is 2.33 times of air, and arc extinguishing ability is air
100 times, so SF6 is typically used as insulation and the arc-extinguishing medium of high-voltage electrical equipment.
For SF6 equipment, SF6 gases, which leak, can seriously affect the operational safety of equipment, therefore, it is necessary to SF6 equipment into
Row periodic detection.SF6 leak detections generally use the infrared leak detectors of SF6, and in actually detected, SF6 is infrared, and leak detection requires environment
There is gentle breeze and wind direction is suitable, if without the gentle breeze of suitable wind direction, SF6 leakage productions can not be seen under the infrared leakage detecting instruments of SF6
Raw smoke-like gas.Current GIS unit equipments are all made of indoor arrangement, sluggish in air circulation, to be difficult accurate detection
Go out SF6 leakages.
Invention content
Dotted air-supply or face can be provided the technical problem to be solved in the present invention is to provide a kind of in the infrared leak detection of SF6 gases
Shape is blown and the good auxiliary tool of manipulation convenience, detection result simple in structure.
In order to solve the above technical problems, the infrared leak detection auxiliary tools of SF6 of the present invention include pedestal, it is structurally characterized in that institute
It states and the both sides of wind turbine and wind turbine is installed in the middle part of pedestal air outlet is respectively set, the bottom of pedestal is connected with handle, pedestal
Top is hinged with two can be to the ajutage that is integrated；The air outlet of both sides passes through flexible discharge pipe and two ajutages respectively
Bottom connection；Ajutage it is closed at both ends, the involutory surfaces of two ajutages is plane, and correspondence opens up respectively on two involutory surfaces
There are multiple air pushing holes and corresponding two air pushing holes connection in two pipe pairings；The top of wherein one ajutage is connected with gold
Belong to stereotypes hoses, the single air outlet of top setting of metal stereotypes hoses.
Using the above structure, when two ajutage pairings, the air-supply of wind turbine is pooled to single air outlet, to specific inspection
It surveys position and carries out a blowing；When two ajutages are opened, the air-supply of wind turbine is respectively from each air pushing hole on two pipe involutory surfaces
Blowout, to carry out face blowing to particular detection position.
For the concrete structure in each air port of wind turbine, the middle part of the pedestal is arranged wind chamber, assembling in wind intracavitary and
Air inlet is offered on wind chamber, two air outlets are opened in two sides of wind chamber respectively.
For the power supply of wind turbine, this case provides two kinds of structures：One：The handle is connected to the bottom of wind chamber, in handle
Portion is equipped with the accumulator powered for fan, and controller of fan and air-blower control switch are equipped on handle.Secondly：Auxiliary
Tool further includes backpack power supply box, and accumulator is equipped in backpack power supply box, and accumulator is electrically connected by conducting wire with wind turbine,
Controller of fan and air-blower control switch are installed on handle.
In order to adjust the wind-force size of single air outlet according to distance, the top of the metal stereotypes hoses is close to single outlet air
Range sensor is installed at the position of mouth, the signal output end of range sensor is electrically connected with controller of fan.
In order to facilitate device fixation and installation to save manpower, the bottom end of the handle is detachable by annular cuff
Elastic clip is installed.
For the concrete structure of two ajutages, the section of the ajutage is semicircle, shape after two ajutage pairings
At round tube；Corresponding setting polylith magnet, magnet are inlaid on involutory surface two-by-two respectively on the involutory surface of two ajutages.
In order to ensure that sealing performance of two ajutages in pairing, the border of two ajutage involutory surfaces are equipped with sealing
Item forms sealing space after two sealing strip pairings between two involutory surfaces.
In order to increase the wind-force when blowing of face, the inside of ajutage is equipped with the multiple and one-to-one wind-guiding of each air pushing hole
Plate.
Mounting groove is arranged for the top of two foundation seats, the bottom end of two ajutages is connected with locating piece, two locating pieces
It is rotatably connected in mounting groove by axis pin respectively, the bottom end of two locating pieces is correspondingly arranged on limiting stand.
In summary structure, the present invention have following several big advantageous effects：
1）By the opening-closing structure of two ajutages, a switching for blowing knead dough blowing is realized, to not only solve leakage
Calm problem in detection, and testing staff can flexibly select blowing type according to specific test position so that and detection is cleverer
Accuracy that is living convenient and ensuring detection；
2）Whole device is simple in structure, easy to carry, it is specifically used in can a people carry detector and be detected, another people holds
Present apparatus handle, and operating device adjusts wind direction；When being short of hands, whole device can be clamped in by spring clip and be set
Standby upper, after adjusting blowing angle, testing staff carries instrument of stopping leakage in the roof and is detected again, is detected so as to people's complete independently；
3）When carrying out blowing, detect list the distance between blowing mouth and equipment in real time by range sensor, when distance compared with
When remote, control wind-force increases, and when distance is closer, control wind-force reduces, and so as to more flexible convenient control wind-force, ensures more
Good airflow effects；
4）The pairing of two ajutages uses magnetic attraction, and manipulation simple in structure is convenient, meanwhile, annular sealing strip, guarantee pair are set
Sealing effect when conjunction avoids leaking out, and structure is more stable and reliable；
5）Wind direction for being changed to, towards air pushing hole, ensure that air pushing hole blast intensity and dynamics by wind deflector；
6）Locating piece is separately provided to cut with scissors dress ajutage, setting limiting stand excessively turns over to avoid two ajutages on locating piece
Turn, simple and stable structure and easy to operate.
In conclusion the present invention solve the problems, such as it is calm in SF6 leak detections, and overall structure is simple, manipulation is convenient,
Detection result is good.
Description of the drawings
Invention is further described in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is structural schematic diagram of the present invention in two ajutage pairings；
Fig. 2 is structural schematic diagram of the present invention when two ajutages are opened；
Fig. 3 is the portions the A section view enlarged structure schematic diagram of Fig. 1；
Fig. 4 is the schematic cross-sectional view in the directions B-B along Fig. 3.
Specific implementation mode
With reference to attached drawing, the infrared leak detection auxiliary tool of SF6 of the invention includes pedestal, be equipped in the middle part of pedestal wind turbine 1 and
Air outlet 2 is respectively set in the both sides of wind turbine 1, and the bottom of pedestal is connected with handle 3, and two are hinged at the top of pedestal can be to being combined into
The ajutage 4 of one；The air outlet 2 of both sides is connected to by flexible discharge pipe 5 with the bottom of two ajutages 4 respectively；Ajutage 4
It is closed at both ends, the involutory surfaces of two ajutages 4 is plane, on two involutory surfaces respectively it is corresponding offer multiple air pushing holes 6 and
Corresponding two air pushing holes 6 connection in two pipe pairings；The top of wherein one ajutage 4 is connected with metal stereotypes hoses 7,
The top setting list air outlet 8 of metal stereotypes hoses 7.
In above structure, when two 4 pairings of ajutage, the air-supply of wind turbine 1 is pooled to single air outlet 8, to specific
Detection position carries out a blowing；When two ajutages 4 are opened, the air-supply of wind turbine 1 is sent from each on two pipe involutory surfaces respectively
Air holes 6 is blown out, to carry out face blowing to particular detection position.
Setting handle facilitates gripping, when being short of hands, whole device is fixed in equipment for convenience, as schemed institute
Show, the bottom end of handle 3 by annular cuff it is detachable elastic clip 14 is installed.
With reference to attached drawing, the setting for 1 each air port of wind turbine, the middle part setting wind chamber 9 of pedestal, wind turbine 1 is mounted on wind chamber 9
Air inlet 10 is offered on interior and wind chamber, two air outlets 2 are opened in two sides of wind chamber 9 respectively.
For the power supply of wind turbine, there are two types of structures for this case, first, being not shown in figure, handle 3 is connected to the bottom of wind chamber 9,
The accumulator powered for fan 1 is installed inside handle 3, controller of fan and air-blower control switch are installed on handle
11.Second, as shown, auxiliary tool further includes backpack power supply box 12, accumulator is installed in backpack power supply box 12, stores
Battery is electrically connected by conducting wire with wind turbine 1, and controller of fan and air-blower control switch 11 are equipped on handle 3.Wherein, wind turbine control
It includes power switch and Wind speed switch to make switch 11.
With reference to attached drawing, the top of metal stereotypes hoses 7 is being equipped with range sensor at the position of single air outlet 8
13, the signal output end of range sensor 13 is electrically connected with controller of fan.
With reference to attached drawing, for the concrete structure of ajutage, the section of ajutage 4 is semicircle, after two 4 pairings of ajutage
Form round tube；Corresponding setting polylith magnet 15 two-by-two is distinguished on the involutory surface of two ajutages 4, magnet 15 is inlaid in pairing
On face.The border of two 4 involutory surfaces of ajutage is equipped with sealing strip 16, after two sealing strips, 16 pairing between two involutory surfaces shape
At sealing space.The inside of ajutage 4 is equipped with multiple and 6 one-to-one wind deflector 17 of each air pushing hole.
With reference to attached drawing, for the specific hinge assembling structure of two ajutages, mounting groove, two ajutages are arranged in the top of pedestal
4 bottom end is connected with locating piece 18, and two locating pieces 18 are rotatably connected on by axis pin in mounting groove respectively, two locating pieces 18
Bottom end is correspondingly arranged on limiting stand.
In conjunction with above-mentioned concrete structure, the present invention has following several big advantageous effects：
1）By the opening-closing structure of two ajutages, a switching for blowing knead dough blowing is realized, to not only solve leakage
Calm problem in detection, and testing staff can flexibly select blowing type according to specific test position so that and detection is cleverer
Accuracy that is living convenient and ensuring detection；
2）Whole device is simple in structure, easy to carry, it is specifically used in can a people carry detector and be detected, another people holds
Present apparatus handle, and operating device adjusts wind direction；When being short of hands, whole device can be clamped in by spring clip and be set
Standby upper, after adjusting blowing angle, testing staff carries instrument of stopping leakage in the roof and is detected again, is detected so as to people's complete independently；
3）When carrying out blowing, detect list the distance between blowing mouth and equipment in real time by range sensor, when distance compared with
When remote, control wind-force increases, and when distance is closer, control wind-force reduces, and so as to more flexible convenient control wind-force, ensures more
Good airflow effects；
4）The pairing of two ajutages uses magnetic attraction, and manipulation simple in structure is convenient, meanwhile, annular sealing strip, guarantee pair are set
Sealing effect when conjunction avoids leaking out, and structure is more stable and reliable；
5）Wind direction for being changed to, towards air pushing hole, ensure that air pushing hole blast intensity and dynamics by wind deflector；
6）Locating piece is separately provided to cut with scissors dress ajutage, setting limiting stand excessively turns over to avoid two ajutages on locating piece
Turn, simple and stable structure and easy to operate.
In conclusion the present invention is not limited to above-mentioned specific implementation modes.Those skilled in the art are not departing from the present invention's
Under the premise of spirit and scope, several change or modification can be done.Above-mentioned change or modification each fall within the protection model of this present invention
It encloses.
Claims (10)
1. a kind of infrared leak detection auxiliary tools of SF6, including pedestal, it is characterized in that being equipped with wind turbine in the middle part of the pedestal（1）And
Air outlet is respectively set in the both sides of wind turbine（2）, the bottom of pedestal is connected with handle（3）, being hinged with two at the top of pedestal can be right
The ajutage being integrated（4）；The air outlet of both sides（2）Pass through flexible discharge pipe respectively（5）With two ajutages（4）Bottom
Connection；Ajutage（4）Closed at both ends, two ajutages（4）Involutory surface be plane, correspondence opens up respectively on two involutory surfaces
There are multiple air pushing holes（6）And corresponding two air pushing holes in two pipe pairings（6）Connection；A wherein ajutage（4）Top
End is connected with metal stereotypes hoses（7）, metal stereotypes hoses（7）The single air outlet of top setting（8）.
2. the infrared leak detection auxiliary tools of SF6 as described in claim 1, it is characterized in that wind chamber is arranged in the middle part of the pedestal（9）,
Wind turbine（1）Mounted on wind chamber（9）Air inlet is offered on interior and wind chamber（10）, two air outlets（2）It is opened in wind respectively
Chamber（9）Two sides.
3. the infrared leak detection auxiliary tools of SF6 as claimed in claim 2, it is characterized in that the handle（3）It is connected to wind chamber（9）'s
Bottom, handle（3）Inside is equipped with for fan（1）The accumulator of power supply is equipped with controller of fan and wind turbine on handle
Control switch（11）.
4. the infrared leak detection auxiliary tools of SF6 as claimed in claim 2, it is characterized in that the auxiliary tool further includes backpack power supply
Case（12）, backpack power supply box（12）Accumulator is inside installed, accumulator passes through conducting wire and wind turbine（1）Electrical connection, handle（3）On
Controller of fan and air-blower control switch are installed（11）.
5. the infrared leak detection auxiliary tools of SF6 as described in claim 3 or 4, it is characterized in that the metal stereotypes hoses（7）Top
End is close to single air outlet（8）Position at range sensor is installed（13）, range sensor（13）Signal output end with
Controller of fan is electrically connected.
6. the infrared leak detection auxiliary tools of SF6 as described in claim 1, it is characterized in that the handle（3）Bottom end pass through annular
Cuff it is detachable elastic clip is installed（14）.
7. the infrared leak detection auxiliary tools of SF6 as described in claim 1, it is characterized in that the ajutage（4）Section be semicircle
Shape, two ajutages（4）Round tube is formed after pairing；Two ajutages（4）Involutory surface on respectively two-by-two corresponding setting it is more
Block magnet（15）, magnet（15）It is inlaid on involutory surface.
8. the infrared leak detection auxiliary tools of SF6 as claimed in claim 6, it is characterized in that two ajutages（4）The border of involutory surface
It is equipped with sealing strip（16）, two sealing strips（16）After pairing sealing space is formed between two involutory surfaces.
9. the infrared leak detection auxiliary tools of SF6 as claimed in claim 6, it is characterized in that ajutage（4）Inside be equipped with it is multiple
With each air pushing hole（6）One-to-one wind deflector（17）.
10. the infrared leak detection auxiliary tools of SF6 as described in claim 1, it is characterized in that the top setting mounting groove of pedestal, two
Ajutage（4）Bottom end be connected with locating piece（18）, two locating pieces（18）It is rotatably connected in mounting groove by axis pin respectively,
Two locating pieces（18）Bottom end be correspondingly arranged on limiting stand.
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| CN201810104251.2A CN108332913B (en) | 2018-02-02 | 2018-02-02 | SF6 infrared leak detection auxiliary tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104251.2A CN108332913B (en) | 2018-02-02 | 2018-02-02 | SF6 infrared leak detection auxiliary tool |
Publications (2)
| Publication Number | Publication Date |
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| CN108332913A true CN108332913A (en) | 2018-07-27 |
| CN108332913B CN108332913B (en) | 2020-03-27 |
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| CN201810104251.2A Active CN108332913B (en) | 2018-02-02 | 2018-02-02 | SF6 infrared leak detection auxiliary tool |
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| CN103017991A (en) * | 2012-11-26 | 2013-04-03 | 中国科学技术大学 | Suction type SF6 gas leakage monitoring device and method |
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| CN105424638A (en) * | 2015-11-06 | 2016-03-23 | 国家电网公司 | Detection method for SF6 gas leakage of indoor GIS equipment and device achieving detection method |
| CN206683096U (en) * | 2017-05-04 | 2017-11-28 | 方媛媛 | A kind of air purifier |
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2018
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| US6791088B1 (en) * | 2001-05-04 | 2004-09-14 | Twin Rivers Engineering, Inc. | Infrared leak detector |
| CN201517956U (en) * | 2009-10-27 | 2010-06-30 | 鹿波 | Infrared double wave SF6 gas quantifying leak detector |
| CN103017991A (en) * | 2012-11-26 | 2013-04-03 | 中国科学技术大学 | Suction type SF6 gas leakage monitoring device and method |
| CN203414252U (en) * | 2013-09-19 | 2014-01-29 | 周午贤 | Halogen gas leak detection device |
| CN204758478U (en) * | 2015-06-13 | 2015-11-11 | 内蒙古自治区电力科学研究院 | Gaseous comprehensive testing appearance of infrared method sulfur hexafluoride electrical equipment |
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|---|---|
| CN108332913B (en) | 2020-03-27 |
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