CN107727797B - Multifunctional gas recovery test device for gas relay - Google Patents
Multifunctional gas recovery test device for gas relay Download PDFInfo
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- CN107727797B CN107727797B CN201710857722.2A CN201710857722A CN107727797B CN 107727797 B CN107727797 B CN 107727797B CN 201710857722 A CN201710857722 A CN 201710857722A CN 107727797 B CN107727797 B CN 107727797B
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- pipe
- gas
- bag
- main pipe
- telescopic
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- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 7
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Food Science & Technology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Combustion & Propulsion (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A multifunctional gas relay gas recovery test device is characterized in that: the device comprises a shell (1), a gas absorption and storage device (2) and a measurement and display alarm device (3), wherein the gas absorption and storage device (2) and the measurement and display alarm device (3) are arranged in the shell (1), the measurement and display alarm device (3) is connected with the gas absorption and storage device (2), and a gas inlet of the gas absorption and storage device (2) is connected with a gas inlet pipe (4) extending out of the shell. The device is suitable for transformer oil ports of various specifications, solves the problems of complicated manual detection steps, low accuracy and poor safety at present, improves detection efficiency, accuracy and safety, and ensures safe operation of equipment.
Description
Technical Field
The invention relates to a multifunctional gas relay gas recovery test device.
Background
At present, the acetylene content in transformer oil can influence the safe operation of equipment, and current acetylene detection mainly adopts manual mode, in pumping into the needle tubing with the same equipment of needle tubing, then, release the gas in the needle tubing and ignite and test acetylene, but like this generally only can test whether the department contains acetylene, and can not detect the content, and it is also troublesome, original to realize, and in addition, the connection between intake pipe and the measured pipeline is troublesome in the in-process of sucking, and the poor connection still appears the gas leakage phenomenon in junction easily, and then influences the security of equipment.
Disclosure of Invention
The invention aims to:
the invention provides a multifunctional gas relay gas recovery test device, which aims to solve the problems existing in the prior art.
The technical scheme is as follows:
a multifunctional gas relay gas recovery test device is characterized in that: the device comprises a shell, a gas absorption and storage device and a measurement and display alarm device, wherein the gas absorption and storage device and the measurement and display alarm device are arranged in the shell, the measurement and display alarm device is connected with the gas absorption and storage device, and a gas inlet of the gas absorption and storage device is connected with a gas inlet pipe extending out of the shell.
The front end of the air inlet pipe is connected with an air inlet nozzle.
The air inlet nozzle comprises a main pipe and an outer pipe, the outer pipe is sleeved outside the main pipe, and the outer pipe and the main pipe can axially and relatively move;
an inner pipe connected with an air inlet pipe is arranged in the main pipe, a space is reserved between the main pipe and the inner pipe, the front end of the inner pipe extends out of the main pipe, a tyre-shaped telescopic bag is sleeved on the periphery of the front end of the inner pipe, gas or liquid is arranged in the telescopic bag, the telescopic bag is of a structure capable of expanding or shrinking inwards from the periphery according to the change of the amount of the gas or liquid in the telescopic bag, and when the telescopic bag is expanded to the maximum, the outer edge of the telescopic bag props against the inner wall of a tested pipeline;
an extrusion bag communicated with the telescopic bag is arranged in the space between the main pipe and the inner pipe, and the upper surface of the extrusion bag is connected with the inner wall of the main pipe;
an elastic slope block which is tightly attached to the outer wall of a tested pipeline when in use is arranged in front of the main pipe, the slope feet of the slope block face inwards and the slope tops face outwards, the front end of the outer pipe is provided with a bell-mouth-shaped inclined surface, when in use, the bell-mouth-shaped inclined surface of the outer pipe gradually presses the slope block to be only attached to the outer wall of the tested pipeline along with the forward movement of the outer pipe, the slope block is movably connected with the front end of the front telescopic arm through a movable shaft, the rear end of the front telescopic arm is movably connected with the front end of the rear telescopic arm to form a movable arm structure, and the rear end of the rear telescopic arm sequentially penetrates through a strip-shaped hole of the outer pipe and a strip-shaped hole of the main pipe, then stretches into a space between the main pipe and the inner pipe and is connected with an extrusion roller arranged in the space, and the upper edge of the extrusion roller contacts with the lower surface of the extrusion bag and presses the extrusion bag when in use; when the device is used, the outer tube moves forwards and pushes the front telescopic arm to expand outwards so as to drive the extrusion roller to press the extrusion bag upwards and press the extrusion bag to move forwards, so that the telescopic bag deforms and props against the inner wall of the tested pipeline.
A thrust spring for pushing the outer tube forward is also arranged between the main tube and the outer tube.
The rear part of the main pipe is fixedly provided with a handle, the rear end of the outer pipe is movably connected with a pressing spanner through a movable joint, the pressing spanner is movably connected with the handle to form an X-shaped structure, and the pressing spanner is a structure for pulling the outer pipe backwards when in use.
The front end of the outer tube is provided with a supporting rod extending to two sides, the top end of the supporting rod extends into a chute at the inner side of the front telescopic arm and is connected with a moving wheel in the chute, and the moving wheel is limited in the chute and is not separated from the chute.
And an inclined pushing arm which pushes the rear telescopic arm upwards and forwards during use is arranged between the rear telescopic arm and the outer tube, the upper end of the inclined pushing arm is movably connected to the upper part of the rear telescopic arm through a rotating shaft, and the lower end of the inclined pushing arm is movably connected with the outer tube through the rotating shaft.
The slope block is divided into two parts which are connected through elastic soft connection; the inner edges of the two parts of the slope block are arc-shaped or straight surfaces which are suitable for the outer wall of the tested pipeline.
The surface of the slope block, which is contacted with the outer wall of the pipeline to be tested, is provided with an anti-slip particle or an arc-shaped compression spring plate; the inner hole of the main pipe is square.
The intake pipe is provided with an on-off valve.
The advantages and effects are that:
the invention provides a multifunctional gas relay gas recovery test device, which belongs to an automatic acetylene detection device, wherein after acetylene is pumped, the acetylene content is directly displayed and alarmed by a measurement display alarm device, meanwhile, a soft telescopic bag is adopted to seal between an air inlet and a tested pipeline to prevent gas from leaking, and a special air inlet nozzle is directly clamped at a tested pipeline port.
Description of the drawings:
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic view of the air inlet nozzle structure of the present invention;
FIG. 3 is a schematic view of another form of air intake nozzle of the present invention;
FIG. 4 is a schematic view showing the structure of the bellows;
fig. 5 is a sectional view showing the ramp block.
The specific embodiment is as follows:
the invention provides a multifunctional gas relay gas recovery test device which comprises a shell 1, a gas absorption and storage device 2 and a measurement and display alarm device 3, wherein the gas absorption and storage device 2 and the measurement and display alarm device 3 are arranged in the shell 1, the measurement and display alarm device 3 is connected with the gas absorption and storage device 2, and a gas inlet of the gas absorption and storage device 2 is connected with a gas inlet pipe 4 extending out of the shell.
The front end of the air inlet pipe 4 is connected with an air inlet nozzle.
The air inlet nozzle comprises a main pipe 5 and an outer pipe 6, the outer pipe 6 is sleeved outside the main pipe 5, and the outer pipe 6 and the main pipe 5 can axially and relatively move;
an inner pipe 7 connected with the air inlet pipe 4 is arranged in the main pipe 5, a space is reserved between the main pipe 5 and the inner pipe 7, the front end of the inner pipe 7 extends out of the main pipe 5, a tyre-shaped telescopic bag 8 is sleeved on the periphery of the front end of the inner pipe 7, gas or liquid is arranged in the telescopic bag 8, the telescopic bag 8 is of a structure capable of expanding or shrinking inwards from the periphery according to the change of the amount of the gas or liquid in the telescopic bag 8, and when the telescopic bag 8 is expanded to the maximum, the outer edge of the telescopic bag tightly props against the inner wall of a detected pipeline;
a squeeze bag 9 communicated with the telescopic bag 8 is arranged in the space between the main pipe 5 and the inner pipe 7, and the upper surface of the squeeze bag 9 is connected with the inner wall of the main pipe 5;
an elastic slope block 10 which is tightly attached to the outer wall of a detected pipeline when in use is arranged in front of the main pipe 5, the slope foot of the slope block 10 faces inwards and the slope top faces outwards, the front end of the outer pipe 6 is provided with a bell-mouth-shaped inclined plane, when in use, the bell-mouth-shaped inclined plane of the outer pipe 6 gradually presses the slope block 10 along with the forward movement of the outer pipe 6, so that the slope block 10 is only attached to the outer wall of the detected pipeline, the slope block 10 is movably connected with the front end of the front telescopic arm 11 through a movable shaft, the rear end of the front telescopic arm 11 is movably connected with the front end of the rear telescopic arm 12 to form a movable arm structure, and the rear end of the rear telescopic arm 12 sequentially passes through a strip-shaped hole 14 of the outer pipe 6 and a strip-shaped hole 15 of the main pipe 5, then stretches into a space between the main pipe 5 and the inner pipe 7, and is connected with an extrusion roller 13 arranged in the space, and the upper edge of the extrusion roller 13 contacts with the lower surface of the extrusion bag 9 and compresses the extrusion bag 9 when in use; when the device is used, the outer tube 6 moves forwards and pushes the front telescopic arm 11 to expand outwards so as to drive the extrusion roller 13 to press the extrusion bag 9 upwards and press the extrusion bag 9 to move forwards, so that the telescopic bag 8 deforms and props against the inner wall of the tested pipeline.
A thrust spring 16 is also provided between the main tube 5 and the outer tube 6 to push the outer tube 6 forward.
The handle 17 is fixedly arranged at the rear part of the main pipe 5, the rear end of the outer pipe 6 is movably connected with the pressing spanner 18 through the movable joint 19, the pressing spanner 18 is movably connected with the handle 17 to form an X-shaped structure, and the pressing spanner 18 is a structure for pulling the outer pipe 6 backwards in use.
The front end of the outer tube 6 is provided with a supporting rod 20 extending to two sides, the top end of the supporting rod 20 extends into a chute at the inner side of the front telescopic arm 11 and is connected with a moving wheel 21 in the chute, and the moving wheel 21 is limited in the chute and is not separated from the chute.
An inclined pushing arm 22 which pushes the rear telescopic arm 12 upwards and forwards in use is arranged between the rear telescopic arm 12 and the outer tube 6, the upper end of the inclined pushing arm 22 is movably connected to the upper part of the rear telescopic arm 12 through a rotating shaft, and the lower end of the inclined pushing arm 22 is movably connected with the outer tube 6 through the rotating shaft.
The slope block 10 is divided into two parts which are connected through an elastic soft connection 23; the inner edges of the two parts of the slope block 10 are arc-shaped or straight surfaces which are suitable for the outer wall of the tested pipeline.
The surface of the slope block 10, which is contacted with the outer wall of the pipeline to be tested, is provided with an anti-slip particle or an arc-shaped compression spring piece 24; the inner bore of the main pipe 5 is square, which facilitates the forward movement of the pinch roller 13.
The intake pipe 4 is provided with an on-off valve 25.
When the air inlet nozzle is used, as shown in fig. 2 and 3, the pressing spanner 18 is pushed forward, so that the outer tube 6 moves backward and compresses the thrust spring 16, at this time, the front end of the outer tube 6 leaves the slope block 10, meanwhile, the front telescopic arm 11 moves upward and forward, the pressing roller 13 does not press the pressing bag 9, then the slope block 10 is sleeved on the outer wall of the tested opening, so that the front end of the main tube 5 is propped against the tested opening, the front end of the inner tube 7 stretches into the tested opening, then the pressing spanner 18 is released, under the action of the thrust spring 16, the outer tube 6 moves forward and gradually sleeves the slope block 10 to be tightly attached to the outer wall of the side opening, and the front telescopic arm 11 is driven to stretch out in an umbrella shape in the forward process of the outer tube 6, at this time, the rear telescopic arm 12 moves upward and forward q, so that the pressing roller 13 presses the pressing bag 9 upward and moves forward, the gas or liquid in the pressing bag 9 is pushed into the telescopic bag 8, so that the outer edge of the telescopic bag 8 is stretched outward against the inner wall of the tested opening to be tightly sealed, then the gas can be sucked and stored by the gas storage device 2, the measurement display device 3 is stored, and the alarm device is displayed at the same time. After use, the pressing wrench 18 is pushed forward, and then the air inlet nozzle is removed.
The device is convenient, reliable and improves the accuracy of gas combustibility, is beneficial to safe production-!
Claims (8)
1. A multifunctional gas relay gas recovery test device is characterized in that: the device comprises a shell (1), a gas absorption and storage device (2) and a measurement and display alarm device (3), wherein the gas absorption and storage device (2) and the measurement and display alarm device (3) are arranged in the shell (1), the measurement and display alarm device (3) is connected with the gas absorption and storage device (2), and an air inlet of the gas absorption and storage device (2) is connected with an air inlet pipe (4) extending out of the shell;
the front end of the air inlet pipe (4) is connected with an air inlet nozzle;
the air inlet nozzle comprises a main pipe (5) and an outer pipe (6), the outer pipe (6) is sleeved outside the main pipe (5), and the outer pipe (6) and the main pipe (5) can axially and relatively move;
an inner pipe (7) connected with the air inlet pipe (4) is arranged in the main pipe (5), a space is reserved between the main pipe (5) and the inner pipe (7), the front end of the inner pipe (7) extends out of the main pipe (5), a tyre-shaped telescopic bag (8) is sleeved on the periphery of the front end of the inner pipe (7), gas or liquid is arranged in the telescopic bag (8), the telescopic bag (8) is of a structure capable of expanding outwards or shrinking inwards according to the change of the amount of the gas or liquid in the telescopic bag (8), and when the telescopic bag (8) is expanded to the maximum, the outer edge of the telescopic bag is tightly propped against the inner wall of a measured pipeline;
a squeeze bag (9) communicated with the telescopic bag (8) is arranged in a space between the main pipe (5) and the inner pipe (7), and the upper surface of the squeeze bag (9) is connected with the inner wall of the main pipe (5);
an elastic slope block (10) which is tightly attached to the outer wall of a detected pipeline when the main pipe (5) is used is arranged in front of the main pipe (5), the slope foot of the slope block (10) faces inwards and the slope top faces outwards, the front end of the outer pipe (6) is provided with a bell-mouth-shaped inclined plane, when the main pipe is used, the bell-mouth-shaped inclined plane of the outer pipe (6) gradually presses the slope block (10) tightly attached to the outer wall of the detected pipeline along with the forward movement of the outer pipe (6), the slope block (10) is movably connected with the front end of a front telescopic arm (11) through a movable shaft, the rear end of the front telescopic arm (11) is movably connected with the front end of a rear telescopic arm (12) to form a movable arm structure, and the rear end of the rear telescopic arm (12) sequentially penetrates through a strip-shaped hole (14) of the outer pipe (6) and a strip-shaped hole (15) of the main pipe (5) and then stretches into a space between the main pipe (5) and the inner pipe (7) and is connected with an extrusion roller (13) arranged in the space, and the upper edge of the extrusion roller (13) contacts with the lower surface of the extrusion bag (9) and presses the extrusion bag (9) when the extrusion roller is used; when the device is used, the outer tube (6) moves forwards and pushes the front telescopic arm (11) to expand outwards so as to drive the extrusion roller (13) to press the extrusion bag (9) upwards and press the extrusion bag (9) to move forwards, so that the telescopic bag (8) deforms and props against the inner wall of a tested pipeline.
2. The multi-functional gas relay gas recovery test device of claim 1, wherein: a thrust spring (16) for pushing the outer tube (6) forward is also arranged between the main tube (5) and the outer tube (6).
3. The multi-functional gas relay gas recovery test device of claim 1, wherein: the rear part of the main pipe (5) is fixedly provided with a handle (17), the rear end of the outer pipe (6) is movably connected with a pressing spanner (18) through a movable joint (19), the pressing spanner (18) is movably connected with the handle (17) to form an X-shaped structure, and the pressing spanner (18) is a structure for pulling the outer pipe (6) backwards when in use.
4. The multi-functional gas relay gas recovery test device of claim 1, wherein: the front end of the outer tube (6) is provided with a supporting rod (20) extending to two sides, the top end of the supporting rod (20) stretches into a chute at the inner side of the front telescopic arm (11) and is connected with a moving wheel (21) in the chute, and the moving wheel (21) is of a structure which is limited in the chute and is not separated from the chute.
5. The multi-functional gas relay gas recovery test device of claim 1, wherein: an inclined pushing arm (22) which pushes the rear telescopic arm (12) upwards and forwards in use is arranged between the rear telescopic arm (12) and the outer tube (6), the upper end of the inclined pushing arm (22) is movably connected to the upper part of the rear telescopic arm (12) through a rotating shaft, and the lower end of the inclined pushing arm (22) is movably connected with the outer tube (6) through the rotating shaft.
6. The multi-functional gas relay gas recovery test device of claim 1, wherein: the slope block (10) is divided into two parts, and the two parts are connected through an elastic soft connection (23); the inner edges of the two parts of the slope block (10) are arc-shaped or straight surfaces which are suitable for the outer wall of the tested pipeline.
7. The multifunctional gas relay gas recovery test device according to claim 1 or 6, wherein: the surface of the slope block (10) contacted with the outer wall of the pipeline to be tested is provided with an anti-slip particle or an arc-shaped compression spring piece (24); the inner hole of the main pipe (5) is square.
8. The multi-functional gas relay gas recovery test device of claim 1, wherein: an on-off valve (25) is provided on the intake pipe (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017103008333 | 2017-05-02 | ||
| CN201710300833 | 2017-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107727797A CN107727797A (en) | 2018-02-23 |
| CN107727797B true CN107727797B (en) | 2023-11-28 |
Family
ID=61207645
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721213248.1U Withdrawn - After Issue CN207301016U (en) | 2017-05-02 | 2017-09-21 | Multi-function gas relay gas recovery test device |
| CN201710857722.2A Active CN107727797B (en) | 2017-05-02 | 2017-09-21 | Multifunctional gas recovery test device for gas relay |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721213248.1U Withdrawn - After Issue CN207301016U (en) | 2017-05-02 | 2017-09-21 | Multi-function gas relay gas recovery test device |
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| Country | Link |
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| CN (2) | CN207301016U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207301016U (en) * | 2017-05-02 | 2018-05-01 | 国家电网公司 | Multi-function gas relay gas recovery test device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20002379A1 (en) * | 2000-11-03 | 2002-05-03 | Enrico Sergio Valli | PROCEDURE AND RELEVANT DEVICE FOR ENVIRONMENTAL CONTROL OF INDUSTRIAL PLANTS |
| CN2497306Y (en) * | 2001-10-05 | 2002-06-26 | 汪吉先 | Gas concentration measuring instrument for gas drainage pipeline |
| JP2007043026A (en) * | 2005-07-29 | 2007-02-15 | Fuji Denki Chiba Tech Kk | Gas-in-oil alarm relay |
| CN101576552A (en) * | 2009-06-05 | 2009-11-11 | 许坤 | Device and method for online monitoring of gas in oil immersed electric apparatus oil |
| CN201444130U (en) * | 2009-05-14 | 2010-04-28 | 山东电力设备厂 | Gas sampling device of gas sampler |
| CN202126742U (en) * | 2011-08-04 | 2012-01-25 | 安徽理工大学 | Gas detection alarming apparatus |
| CN202947986U (en) * | 2012-12-06 | 2013-05-22 | 哈尔滨隆威煤矿安全高新技术开发有限公司 | Portable carrier catalysis methane detection alarm apparatus |
| CN203929931U (en) * | 2014-06-12 | 2014-11-05 | 金川集团股份有限公司 | A kind of methane gas is collected proving installation |
| CN105486550A (en) * | 2016-02-25 | 2016-04-13 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Gas pumping device and method of electric transformer |
| CN205609056U (en) * | 2016-02-24 | 2016-09-28 | 国网技术学院 | Real device of instructing of transformer buchholz relay sample collection |
| CN207301016U (en) * | 2017-05-02 | 2018-05-01 | 国家电网公司 | Multi-function gas relay gas recovery test device |
-
2017
- 2017-09-21 CN CN201721213248.1U patent/CN207301016U/en not_active Withdrawn - After Issue
- 2017-09-21 CN CN201710857722.2A patent/CN107727797B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20002379A1 (en) * | 2000-11-03 | 2002-05-03 | Enrico Sergio Valli | PROCEDURE AND RELEVANT DEVICE FOR ENVIRONMENTAL CONTROL OF INDUSTRIAL PLANTS |
| CN2497306Y (en) * | 2001-10-05 | 2002-06-26 | 汪吉先 | Gas concentration measuring instrument for gas drainage pipeline |
| JP2007043026A (en) * | 2005-07-29 | 2007-02-15 | Fuji Denki Chiba Tech Kk | Gas-in-oil alarm relay |
| CN201444130U (en) * | 2009-05-14 | 2010-04-28 | 山东电力设备厂 | Gas sampling device of gas sampler |
| CN101576552A (en) * | 2009-06-05 | 2009-11-11 | 许坤 | Device and method for online monitoring of gas in oil immersed electric apparatus oil |
| CN202126742U (en) * | 2011-08-04 | 2012-01-25 | 安徽理工大学 | Gas detection alarming apparatus |
| CN202947986U (en) * | 2012-12-06 | 2013-05-22 | 哈尔滨隆威煤矿安全高新技术开发有限公司 | Portable carrier catalysis methane detection alarm apparatus |
| CN203929931U (en) * | 2014-06-12 | 2014-11-05 | 金川集团股份有限公司 | A kind of methane gas is collected proving installation |
| CN205609056U (en) * | 2016-02-24 | 2016-09-28 | 国网技术学院 | Real device of instructing of transformer buchholz relay sample collection |
| CN105486550A (en) * | 2016-02-25 | 2016-04-13 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Gas pumping device and method of electric transformer |
| CN207301016U (en) * | 2017-05-02 | 2018-05-01 | 国家电网公司 | Multi-function gas relay gas recovery test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207301016U (en) | 2018-05-01 |
| CN107727797A (en) | 2018-02-23 |
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