CN108332913A - The infrared leak detection auxiliary tools of SF6 - Google Patents

The infrared leak detection auxiliary tools of SF6 Download PDF

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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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Application number
CN201810104251.2A
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Chinese (zh)
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CN108332913B (en
Inventor
刘增文
黄学增
刘发成
王同泉
王璟
寇希尧
王琳
吴凤鸣
王志明
丁方
殷国亮
高锐
金鑫
王海君
高彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201810104251.2A priority Critical patent/CN108332913B/en
Publication of CN108332913A publication Critical patent/CN108332913A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light
    • G01N21/3504Investigating 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

The infrared leak detection auxiliary tools of SF6
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.
CN201810104251.2A 2018-02-02 2018-02-02 SF6 infrared leak detection auxiliary tool Active CN108332913B (en)

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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

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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

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CN108332913B CN108332913B (en) 2020-03-27

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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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