CN110926716A - SF6 gas high-voltage electrical apparatus safety monitoring device - Google Patents
SF6 gas high-voltage electrical apparatus safety monitoring device Download PDFInfo
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- CN110926716A CN110926716A CN201911383524.2A CN201911383524A CN110926716A CN 110926716 A CN110926716 A CN 110926716A CN 201911383524 A CN201911383524 A CN 201911383524A CN 110926716 A CN110926716 A CN 110926716A
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- fixed mounting
- monitoring device
- safety monitoring
- negative pressure
- gas
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- 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
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- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The invention relates to the technical field of sulfur hexafluoride and discloses a safety monitoring device for SF6 gas high-voltage electrical appliances. This gaseous high-voltage apparatus safety monitoring device of SF6, when passing through hydraulic hose, under the assistance of bracing piece and layer board, consolidate hydraulic hose and elbow joint, and the amplitude that produces transmits between sleeve and damper, weaken, when gas leakage appears, the internal pressure increase of protection casing, upwards extrude the negative pressure membrane, make negative pressure membrane deformation and pressure sensor contact, and pressure sensor is with data transmission to operating panel, warn the staff, close external gas transmission equipment, start external negative pressure pump simultaneously with this, take out the gas of inside through the negative pressure pump connecting pipe, carry out centralized processing, avoid gas to cause the injury to the human body, the high mesh of security has been reached.
Description
Technical Field
The invention relates to the technical field of sulfur hexafluoride, in particular to a safety monitoring device for an SF6 gas high-voltage electric appliance.
Background
The sulfur hexafluoride is a colorless, odorless, nontoxic and noncombustible stable gas, the molecular weight of the sulfur hexafluoride is 146.07 in the chemical formula SF6, the density is 6.1kg/m3 at 20 ℃ and 0.1MPa and is about 5 times of the air density, the sulfur hexafluoride is gaseous at normal temperature and normal pressure, the critical temperature of the sulfur hexafluoride is 45.6 ℃, the temperature of a triple point is-50.8 ℃, the temperature of a sublimation point at normal pressure is-63.8 ℃, the molecular structure of the sulfur hexafluoride is arranged in an octahedron shape, the bonding distance is small, the bonding energy is high, the stability is high, and the sulfur hexafluoride is similar to the electrical structural material in compatibility and nitrogen when the temperature does not exceed 180 ℃.
At present when carrying out the gaseous high-voltage apparatus leak hunting of SF6, pass through the in-process of gas transmission pipeline gas transmission by external equipment, the gas and the pipeline friction of high-speed flow, produce impact amplitude to the pipeline, can rock from top to bottom even through the hose way, cause not hard up to the pipeline junction very easily like this to cause the phenomenon of leaking, and SF6 is gaseous to be an irritant gas, inhale too much and can cause the injury to the human body, we have proposed a SF6 gaseous high-voltage apparatus safety monitoring device in order to solve above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the safety monitoring device for the SF6 gas high-voltage electric appliance, which has the advantages of high safety and the like, and solves the problems that when the SF6 gas high-voltage electric appliance is subjected to leakage detection at present, in the process of gas transmission through a gas transmission pipeline by external equipment, high-speed flowing gas rubs with the pipeline to generate impact amplitude on the pipeline, and even can shake up and down through a hose pipeline, so that the joint of the pipeline is easy to loosen to cause leakage, and the SF6 gas is irritant gas and causes harm to a human body due to excessive suction.
(II) technical scheme
In order to achieve the purpose of high safety, the invention provides the following technical scheme: a SF6 gas high-voltage apparatus safety monitoring device comprises a platform, the top fixed mounting of platform has a jar section of thick bamboo, the top fixed mounting of platform has the protection casing, the inside top movable mounting of platform has a person in charge that quantity is five, the top fixed mounting of platform has the spool fixing clip who cup joints with the person in charge, the lateral wall fixed mounting of being responsible for has the ball valve, the ball valve is kept away from the one end fixed mounting who is responsible for and is had the elbow joint, the elbow is taken over the one end fixed mounting who keeps away from the ball valve and is had hydraulic hose, the one end fixed mounting that the hydraulic hose kept away from the elbow is had the first double-end outer screwed joint that communicates with a jar section of thick bamboo, middle the top fixed mounting of ball valve has the outer screwed joint of second double-end, the top fixed mounting of outer screwed joint of second double-end has reducing three way, the top of the platform is fixedly provided with a supporting rod, the supporting rod is internally inserted with a supporting plate jointed with a hydraulic hose, the front surface of the supporting rod is in threaded connection with a fixing bolt of which one end extends into the supporting plate, the outer side wall of the supporting rod is sleeved with a sleeve, a damping mechanism is fixedly arranged between the sleeve and the protective cover, the top of the protective cover is fixedly provided with a backing plate, the bottom of the backing plate is fixedly provided with an installation frame of which one end extends to the lower part of the protective cover, the bottom of the installation frame is fixedly provided with a negative pressure film, the left side and the right side of the installation frame are both fixedly provided with a limiting plate fixedly connected with the negative pressure film, the top of the backing plate is fixedly provided with a pressure sensor of which one end extends into the installation frame, the lateral wall fixed mounting of installation pole has operating panel, the top fixed mounting of protection casing has the negative pressure pump connecting pipe.
Preferably, the main pipe comprises an inflation pipe, an air return pipe and a vacuum unit pipe, the number of the inflation pipe and the number of the air return pipe are two, and the inflation pipe and the air return pipe are symmetrically arranged and distributed on two sides of the vacuum unit pipe.
Preferably, the protection casing cladding is in charge of the top, the one end that the elbow was taken over is kept away from to the hydraulic hose runs through the protection casing, the vacuum gauge runs through protection casing and reducing three way connection fixed connection.
Preferably, the number of the hydraulic hoses is not less than six, and two output ends of the reducing tee joint are fixedly connected with the hydraulic hoses.
Preferably, the supporting rod is internally provided with a mounting hole, the supporting plate is positioned in the mounting hole, the cross section of the supporting plate is arc-shaped, and the hydraulic hose is matched with the supporting plate.
Preferably, the damping mechanism comprises an ejector rod, a thrust plate and a damping spring, the ejector rod is fixedly mounted on the outer side wall of the sleeve, the thrust plate is fixedly mounted between the ejector rod and the protective cover, and the damping spring sleeved on the outer side of the ejector rod is fixedly mounted between the thrust plate and the sleeve.
Preferably, the bottom of installation frame is seted up the opening, negative pressure membrane and opening seamless connection.
Preferably, the number of the through holes is two, and the through holes are symmetrically arranged and distributed on the left side and the right side of the pressure sensor.
Preferably, the installation pole runs through the one end of protection casing and the back lateral wall fixed connection of protection casing, the negative pressure pump connecting pipe is located the backing plate right side.
(III) advantageous effects
Compared with the prior art, the invention provides the safety monitoring device for the SF6 gas high-voltage electric appliance, which has the following beneficial effects:
1. the SF6 gas high-voltage electrical appliance safety monitoring device is characterized in that a protective cover is arranged, when gas transmission operation is carried out, gas passes through a ball valve from a main pipe, enters a hydraulic hose through a bend-through joint and is finally input into a tank, when the gas passes through the hydraulic hose, the hydraulic hose and the bend-through joint are reinforced with the assistance of a support rod and a support plate, the generated amplitude is transmitted between a sleeve and a damping mechanism to be weakened, when gas leakage occurs, the internal pressure of the protective cover is increased, a negative pressure membrane is upwards extruded to enable the negative pressure membrane to be deformed to be contacted with a pressure sensor, the data is displayed by the sensing of a pressure sensor probe, the data is transmitted to an operation panel, workers are warned, external gas transmission equipment is closed, meanwhile, an external negative pressure pump is started, the internal gas is pumped out through a negative pressure pump connecting pipe, and centralized processing is carried out, avoid gaseous injury to the human body, through such mode, reached the high purpose of security.
2. This gaseous high-voltage apparatus safety monitoring device of SF6, through setting up the backing plate, when carrying out the maintenance of equipment, the staff can relieve the restriction between backing plate and the protection casing, upwards mentions the backing plate again, drives the installation frame and breaks away from the protection casing together, then with the installation frame up, detects the negative pressure membrane to demolish the limiting plate, in time change it, avoid the negative pressure membrane to appear damaging.
Drawings
Fig. 1 is a front view of a safety monitoring device for SF6 gas high-voltage electrical appliances according to the present invention;
fig. 2 is an enlarged view of a structure at a position a of the safety monitoring device for the SF6 gas high-voltage electrical apparatus provided by the invention;
fig. 3 is an enlarged view of a device structure at a position B of safety monitoring of an SF6 gas high-voltage electrical apparatus according to the present invention.
In the figure: the device comprises a platform 1, a tank barrel 2, a main pipe 3, a 4-line pipe fixing clamp, a ball valve 5, a 6-elbow joint, a 7-hydraulic hose, a 8-first double-head external screw joint, a 9-second double-head external screw joint, a 10-reducing three-way joint, a 11-vacuum meter, a 12-protection cover, a 13-support rod, a 14-support plate, a 15-fixing bolt, a 16-sleeve, a 17-damping mechanism, a 18-base plate, a 19-installation frame, a 20-negative pressure membrane, a 21-limit plate, a 22-pressure sensor, a 23-through hole, a 24-installation rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a safety monitoring device for SF6 gas high-voltage electrical appliances comprises a platform 1, a tank barrel 2 is fixedly mounted on the top of the platform 1, a main pipe 1 comprises an inflation pipe, an air return pipe and a vacuum unit pipe, the number of the inflation pipe and the air return pipe is two, the inflation pipe and the air return pipe are symmetrically arranged and distributed on two sides of the vacuum unit pipe, a protective cover 12 is fixedly mounted on the top of the platform 1, the protective cover 12 covers the main pipe 3, one end of a hydraulic hose 7, far away from the elbow pipe 6, penetrates through the protective cover 12, a vacuum gauge 11 penetrates through the protective cover 12 and is fixedly connected with a reducing three-way joint 10, five main pipes 3 are movably mounted on the top of the platform 1, a pipe fixing clamp 4 which is sleeved with the main pipes 3 is fixedly mounted on the top of the platform 1, a ball valve 5 is fixedly mounted on the outer side wall of the main, a hydraulic hose 7 is fixedly installed at one end of the elbow connecting pipe 6 far away from the ball valve 5, a first double-head external screw joint 8 communicated with the tank 2 is fixedly installed at one end of the hydraulic hose 7 far away from the elbow connecting pipe 6, a second double-head external screw joint 9 is fixedly installed at the top of the middle ball valve 5, a reducing three-way joint 10 is fixedly installed at the top of the second double-head external screw joint 9, the number of the hydraulic hoses 7 is not less than six, two output ends of the reducing three-way joint 10 are fixedly connected with the hydraulic hose 7, a vacuum gauge 11 is fixedly installed at the top of the reducing three-way joint 10, a support rod 13 is fixedly installed at the top of the platform 1, a support plate 14 attached to the hydraulic hose 7 is inserted in the support rod 13, an installation hole is formed in the support rod 13, the support plate 14 is located in the installation hole, the cross section of the support plate 14 is arc-shaped, the hydraulic hose 7 is matched with the, the outer side wall of the support rod 13 is sleeved with a sleeve 16, a damping mechanism 17 is fixedly installed between the sleeve 16 and the protective cover 12, the damping mechanism 17 comprises an ejector rod, a thrust plate and a damping spring, the outer side wall of the sleeve 16 is fixedly provided with the ejector rod, the thrust plate is fixedly installed between the ejector rod and the protective cover 12, the damping spring sleeved outside the ejector rod is fixedly installed between the thrust plate and the sleeve 16, the top of the protective cover 12 is fixedly provided with a backing plate 18, the bottom of the backing plate 18 is fixedly provided with an installation frame 19, one end of the installation frame 18 extends to the lower part of the protective cover 12, the bottom of the installation frame 19 is fixedly provided with a negative pressure membrane 20, the bottom of the installation frame 19 is provided with a through hole, the negative pressure membrane 20 is in seamless connection with the through hole, the left side and the right side of the installation frame, the top of the backing plate 18 is provided with two through holes 23, the through holes 23 are symmetrically distributed on the left side and the right side of the pressure sensor 22, the top of the protective cover 12 is fixedly provided with an installation rod 24, the outer side wall of the installation rod 24 is fixedly provided with an operation panel 25, the top of the protective cover 12 is fixedly provided with a negative pressure pump connecting pipe 26, the installation rod 24 penetrates through one end of the protective cover 12 and is fixedly connected with the rear side wall of the protective cover 12, the negative pressure pump connecting pipe 26 is positioned on the right side of the backing plate 18, when the gas transmission operation is carried out, gas passes through the ball valve 5 from the main pipe 3 and enters the hydraulic hose 7 through the elbow joint 6 and is finally input into the tank barrel 2, when the hydraulic hose 7 passes through the hydraulic hose 7, the hydraulic hose 7 and the elbow joint 6 are reinforced under the assistance of the support rod 13 and the support plate 14, and the generated amplitude is transmitted between the sleeve 16, weaken, when gas leakage appears, the internal pressure increase of protection casing 12, upwards extrude negative pressure membrane 20, make negative pressure membrane 20 deformation and pressure sensor 22 contact, and pressure sensor 22 probe response carries out data display, and with data transmission to operating panel 25, warn the staff, close external gas transmission equipment, meanwhile, start external negative pressure pump, take out the gas of inside through negative pressure pump connecting pipe 26, carry out centralized processing, avoid gas to cause the injury to the human body, through such a mode, the high purpose of security has been reached.
In summary, according to the safety monitoring device for SF6 gas high-voltage electrical apparatus, by arranging the protective cover 12, when gas transmission operation is performed, gas enters the hydraulic hose 7 through the ball valve 5 and the elbow joint 6 from the main pipe 3, and finally enters the tank 2, when the gas passes through the hydraulic hose 7, the hydraulic hose 7 and the elbow joint 6 are reinforced under the assistance of the support rod 13 and the support plate 14, the generated amplitude is transmitted between the sleeve 16 and the damping mechanism 17 to be weakened, when gas leakage occurs, the internal pressure of the protective cover 12 is increased, the negative pressure membrane 20 is pressed upwards, the negative pressure membrane 20 is deformed to be contacted with the pressure sensor 22, the probe of the pressure sensor 22 senses and displays data, the data is transmitted to the operation panel 25, the worker is warned, the external gas transmission equipment is closed, and the external negative pressure pump is started at the same time, the purpose of high safety is achieved by arranging the backing plate 18, when equipment is maintained, a worker can relieve the limitation between the backing plate 18 and the protective cover 12, lift the backing plate 18 upwards to drive the installation frame 19 to be separated from the protective cover 12, then move the installation frame 19 upwards to detect the negative pressure membrane 20, remove the limiting plate 21 and replace the limiting plate in time to avoid the negative pressure membrane 20 from being damaged, and the problems that when an SF6 gas high-pressure electrical appliance is subjected to leakage detection at present, high-speed flowing gas rubs with a pipeline to generate impact amplitude on the pipeline, even can shake up and down through a hose pipeline, so that the pipeline joint is easy to loosen, thus causing leakage, while SF6 gas is an irritant gas, and the problem of harm to human body is caused by excessive inhalation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a gaseous high-voltage apparatus safety monitoring device of SF6, includes platform (1), its characterized in that: the top fixed mounting of platform (1) has a jar (2), the top fixed mounting of platform (1) has protection casing (12), the inside top movable mounting of platform (1) has a quantity for five person in charge (3), the top fixed mounting of platform (1) has spool fixing clip (4) that cup joints with being responsible for (3), the lateral wall fixed mounting of being responsible for (3) has ball valve (5), the one end fixed mounting who is kept away from person in charge (3) in ball valve (5) has elbow joint (6), the one end fixed mounting who keeps away from ball valve (5) in elbow joint (6) has hydraulic hose (7), the one end fixed mounting that elbow joint (6) was kept away from in hydraulic hose (7) has first double-end outer screwed joint (8) that communicate with a jar (2), centre the top fixed mounting of ball valve (5) has second double-end outer screwed joint (9), the top fixed mounting of second double-ended outer screwed joint (9) has reducing three way connection (10), the top fixed mounting of reducing three way connection (10) has vacuum gauge (11), the top fixed mounting of platform (1) has bracing piece (13), the inside grafting of bracing piece (13) has layer board (14) with the laminating of hydraulic hose (7), the front threaded connection of bracing piece (13) has one end to extend to the inside fixing bolt (15) of layer board (14), the lateral wall of bracing piece (13) has cup jointed sleeve (16), fixed mounting has damper (17) between sleeve (16) and protection casing (12), the top fixed mounting of protection casing (12) has backing plate (18), the bottom fixed mounting of backing plate (18) has installation frame (19) that one end extends to protection casing (12) below, the bottom fixed mounting of installation frame (19) has negative pressure membrane (20), the equal fixed mounting in the left and right sides of installation frame (19) has limiting plate (21) with negative pressure membrane (20) fixed connection, the top fixed mounting of backing plate (18) has one end to extend to installation frame (19) inside and with pressure sensor (22) of negative pressure membrane (20) laminating, through-hole (23) have been seted up at the top of backing plate (18), the top fixed mounting of protection casing (12) has installation pole (24), the lateral wall fixed mounting of installation pole (24) has operating panel (25), the top fixed mounting of protection casing (12) has negative pressure pump connecting pipe (26).
2. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: be responsible for (1) including gas tube, muffler and vacuum unit pipe, the quantity of gas tube and muffler is two, and gas tube and muffler are the symmetrical setting and distribute in vacuum unit pipe both sides.
3. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: the protection casing (12) cladding is in charge of (3) top, protection casing (12) are run through to the one end that elbow takeover (6) was kept away from in hydraulic hose (7), vacuum meter (11) run through protection casing (12) and reducing three way connection (10) fixed connection.
4. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: the number of the hydraulic hoses (7) is not less than six, and two output ends of the reducing tee joint (10) are fixedly connected with the hydraulic hoses (7).
5. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: the hydraulic support is characterized in that a mounting hole is formed in the support rod (13), the supporting plate (14) is located in the mounting hole, the cross section of the supporting plate (14) is arc-shaped, and the hydraulic hose (7) is matched with the supporting plate (14).
6. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: damper (17) include ejector pin, thrust plate and damping spring, the lateral wall fixed mounting of sleeve (16) has the ejector pin, fixed mounting has the thrust plate between ejector pin and protection casing (12), fixed mounting has the damping spring who cup joints in the ejector pin outside between thrust plate and sleeve (16).
7. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: the opening has been seted up to the bottom of installation frame (19), negative pressure membrane (20) and opening seamless connection.
8. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: the number of the through holes (23) is two, and the through holes (23) are symmetrically distributed on the left side and the right side of the pressure sensor (22).
9. The safety monitoring device for SF6 gas high-voltage electric appliances of claim 1, wherein: the mounting rod (24) penetrates through one end of the protective cover (12) and is fixedly connected with the rear side wall of the protective cover (12), and the negative pressure pump connecting pipe (26) is located on the right side of the base plate (18).
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| CN201911383524.2A CN110926716B (en) | 2019-12-28 | 2019-12-28 | SF6 gas high-voltage electrical apparatus safety monitoring device |
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| CN201911383524.2A CN110926716B (en) | 2019-12-28 | 2019-12-28 | SF6 gas high-voltage electrical apparatus safety monitoring device |
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| CN110926716B CN110926716B (en) | 2021-03-19 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203259321U (en) * | 2013-04-18 | 2013-10-30 | 中国一冶集团有限公司 | Instrument pipeline pressure test device |
| US8985330B1 (en) * | 2014-07-15 | 2015-03-24 | Marsha A. Normand | Tubular portable container for transporting perishable items |
| CN104482400A (en) * | 2014-11-14 | 2015-04-01 | 国家电网公司 | Portable SF6 gas recovery device |
| US20160282217A1 (en) * | 2015-03-27 | 2016-09-29 | Jay Lloyd | Safety Procedure and Testing Mechanism for Valve Replacement and Leak Detection on a Tank Car |
| CN207148284U (en) * | 2017-08-18 | 2018-03-27 | 云南电网有限责任公司普洱供电局 | Miniature SF6Trace gas collection device |
| CN108368967A (en) * | 2015-12-29 | 2018-08-03 | 埃克森美孚上游研究公司 | Modularization film LNG tank |
| CN207730403U (en) * | 2017-12-18 | 2018-08-14 | 广州市大岳智能设备有限公司 | A kind of aluminium film encapsulation leak detection apparatus |
| CN108731880A (en) * | 2018-05-03 | 2018-11-02 | 北京华电中试电力工程有限责任公司 | SF in a kind of high-voltage isulation equipment6Gas detection method and system |
| CN109958737A (en) * | 2017-12-25 | 2019-07-02 | 天津达一金属制品有限公司 | A kind of automobile damping mounting bracket |
-
2019
- 2019-12-28 CN CN201911383524.2A patent/CN110926716B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203259321U (en) * | 2013-04-18 | 2013-10-30 | 中国一冶集团有限公司 | Instrument pipeline pressure test device |
| US8985330B1 (en) * | 2014-07-15 | 2015-03-24 | Marsha A. Normand | Tubular portable container for transporting perishable items |
| CN104482400A (en) * | 2014-11-14 | 2015-04-01 | 国家电网公司 | Portable SF6 gas recovery device |
| US20160282217A1 (en) * | 2015-03-27 | 2016-09-29 | Jay Lloyd | Safety Procedure and Testing Mechanism for Valve Replacement and Leak Detection on a Tank Car |
| CN108368967A (en) * | 2015-12-29 | 2018-08-03 | 埃克森美孚上游研究公司 | Modularization film LNG tank |
| CN207148284U (en) * | 2017-08-18 | 2018-03-27 | 云南电网有限责任公司普洱供电局 | Miniature SF6Trace gas collection device |
| CN207730403U (en) * | 2017-12-18 | 2018-08-14 | 广州市大岳智能设备有限公司 | A kind of aluminium film encapsulation leak detection apparatus |
| CN109958737A (en) * | 2017-12-25 | 2019-07-02 | 天津达一金属制品有限公司 | A kind of automobile damping mounting bracket |
| CN108731880A (en) * | 2018-05-03 | 2018-11-02 | 北京华电中试电力工程有限责任公司 | SF in a kind of high-voltage isulation equipment6Gas detection method and system |
Non-Patent Citations (3)
| Title |
|---|
| SANDRINE ROSANVALLON等: "Safety provisions for the ITER facility", 《FUSION ENGINEERING AND DESIGN》 * |
| 王传惠等: "CNG储配站卸气软管加装拉断阀的研究", 《煤气与热力》 * |
| 韩明等: "SF6气体检漏在LW13-363罐式断路器管头漏气中的应用", 《青海电力》 * |
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Address after: 226000 machinery community of tianshenggang Industrial Park, Nantong City, Jiangsu Province Applicant after: Nantong Keyuan Power Equipment Co.,Ltd. Address before: 226000 machinery District, tianshenggang Industrial Park, Nanjing City, Jiangsu Province Applicant before: Nantong Keyuan Power Equipment Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |