CN102024609A - Method and device for blocking leakage of sulfur hexafluoride - Google Patents
Method and device for blocking leakage of sulfur hexafluoride Download PDFInfo
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- CN102024609A CN102024609A CN2009101767147A CN200910176714A CN102024609A CN 102024609 A CN102024609 A CN 102024609A CN 2009101767147 A CN2009101767147 A CN 2009101767147A CN 200910176714 A CN200910176714 A CN 200910176714A CN 102024609 A CN102024609 A CN 102024609A
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- Prior art keywords
- leakage
- mending
- speed
- sealing agent
- point
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Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 16
- 230000000903 blocking effect Effects 0.000 title abstract 8
- 229910018503 SF6 Inorganic materials 0.000 title abstract 4
- 239000003292 glue Substances 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 42
- 238000007789 sealing Methods 0.000 claims description 36
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000003384 imaging method Methods 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 3
- 108010001267 Protein Subunits Proteins 0.000 claims description 2
- 239000002981 blocking agent Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
Abstract
The embodiment of the invention discloses a method and a device for blocking leakage of sulfur hexafluoride (SF6). The method comprises the following steps of: detecting a gas leakage point on equipment; determining leakage blocking parameters which comprise the area of a region to be blocked, the gas leakage rate and the pressure of the leakage point; and determining the using amount of a blocking agent according to the leakage blocking parameters, spreading the blocking agent on the region to be blocked, and spreading cured glue on the region to be blocked twice under the radiation of an ultraviolet lamp. By the method provided by the embodiment of the invention, the leakage point of the SF6 on the equipment can be automatically detected, the leakage blocking parameters can be determined, and the leakage can be automatically blocked according to the leakage blocking parameters quickly and correctly, so that the leakage blocking rate can be greatly improved after the leakage point is detected, the leakage blocking quality is improved, and potential safety hazard can be effectively avoided.
Description
Technical field
The application relates to electric power safety checkout facility technical field, relates in particular to a kind of craft leakage mending method and device of sulphur hexafluoride.
Background technology
Sulphur hexafluoride (SF
6) under the normality be a kind of colourless, tasteless, do not have smell, nontoxic non-flammability gas, molecular weight 146.06, density 6.139g/l is about 5 times of air.Be one of best material of known chemical stability, its inertia is similar to nitrogen.It has fabulous thermal stability, even pure state is not being decomposed more than 500 ℃ down yet.Sulphur hexafluoride has remarkable electrical insulating property and arc quenching characteristic, and under the same terms, its insulating capacity is more than 2.5 times of air, nitrogen, and the arc extinguishing ability is 100 times of air.The fusing point of sulphur hexafluoride is-50.8 ℃, can be used as the special cold-producing medium in-45～0 ℃ of temperature ranges, again because of its good heat resistance, is a kind of stable elevated temperature heat carrier.Sulphur hexafluoride is widely used in electric power, electronics, electric utility and laser, medical treatment, meteorology, refrigeration, fire-fighting, chemical industry, military affairs, aerospace, nonferrous metallurgy, physical study etc. in recent years because of above-mentioned and other good characteristic.
With the example that is applied as in the power industry, since remarkable electrical insulating property, SF
6Become the pillar material that uses in the power industry.Primary cut-out is almost all with SF at present
6Replace oil and air.
The inventor finds in research process, SF
6In a single day leak in the use and be easy to bring out accident potential.
Summary of the invention
The purpose of the embodiment of the present application provides a kind of craft leakage mending method and device of sulphur hexafluoride, realizes instant mending-leakage, eliminates SF
6The potential safety hazard of leaking is avoided the generation of accident.
For achieving the above object, the embodiment of the invention provides following technical scheme:
A kind of craft leakage mending method of sulphur hexafluoride comprises:
Gas leakage point on the checkout facility;
Determine the mending-leakage parameter, described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point;
Determine the consumption of sealing agent described sealing agent to be spread upon the described mending-leakage zone for the treatment of according to described mending-leakage parameter, and under ultra violet lamp, the solidified glue secondary is applied to the described mending-leakage zone for the treatment of.
Gas leakage point on the described checkout facility comprises:
In the hot spot of judgment device under the thermal imager irradiation whether black shade is arranged, this hot spot is that equipment to be detected is by CO
2Formed after the laser radiation, this CO
2Laser has passed through the expansion bundle operation of beam expanding lens;
If have, then the pairing position of this black shade is the gas leakage point on the equipment.
Described gas leakage speed L comprises Three Estate, wherein:
The speed of the first estate is: L is more than or equal to 1ml/s and smaller or equal to 12ml/s;
The speed of second grade is: L is greater than 12ml/s and smaller or equal to 20ml/s;
The speed of the tertiary gradient is: L is greater than 20ml/s.
The pressure Y of the consumption M of described sealing agent and mending-leakage region area S, gas leakage speed L and leakage point has following relation:
M=K
1S
2+ K
2L+K
3Y, wherein:
L and K
1With K
2Have following relation:
When L is the speed of the first estate, K
1=3.2; K
2=2;
When L is the speed of second grade, K
1=6.8; K
2=4;
When L is the speed of the tertiary gradient, K
1=12.2; K
2=8;
Y and K
3Have following relation:
When Y=0.4Mpa, K
3=5; When Y=0.5Mpa, K
3=18; When Y=0.6Mpa, K
3=60.
A kind of leakage compensating device of sulphur hexafluoride comprises:
Detecting unit is used for the gas leakage point on the checkout facility;
Determining unit is used for determining the mending-leakage parameter that described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point;
The mending-leakage unit is used for determining according to described mending-leakage parameter the consumption of sealing agent, and affiliated sealing agent is spread upon the described mending-leakage district that treats, and the solidified glue secondary is applied to the described mending-leakage zone for the treatment of under ultra violet lamp.
Described detecting unit comprises:
Thermal imager is used to take equipment drawing picture to be detected;
Judgment sub-unit, whether the hot spot of the equipment drawing picture to be detected that is used for judging that thermal imager is captured has black shade, and this hot spot is that equipment to be detected is by CO
2Formed after the laser radiation, this CO
2Laser has passed through the expansion bundle operation of beam expanding lens;
Determine subelement, be used for determining leakage point on the equipment to be detected according to the black shade of image to be detected.
Described detecting unit also comprises: control system subelement, CCD imaging system subelement and demonstration subelement, wherein:
Video image that described thermal imager is captured and the captured video image of described CCD imaging system subelement carry out data fusion through described control system subelement, obtain synthetic image, export to described demonstration subelement and show.
Described gas leakage speed L comprises Three Estate, wherein:
The speed of the first estate is: L is more than or equal to 1ml/s and smaller or equal to 12ml/s;
The speed of second grade is: L is greater than 12ml/s and smaller or equal to 20ml/s;
The speed of the tertiary gradient is: L is greater than 20ml/s.
The pressure Y of the consumption M of described sealing agent and mending-leakage region area S, gas leakage speed L and leakage point has following relation:
M=K
1S
2+ K
2L+K
3Y, wherein:
L and K
1With K
2Have following relation:
When L is the speed of the first estate, K
1=3.2; K
2=2;
When L is the speed of second grade, K
1=6.8; K
2=4;
When L is the speed of the tertiary gradient, K
1=12.2; K
2=8;
Y and K
3Have following relation:
When Y=0.4Mpa, K
3=5; When Y=0.5Mpa, K
3=18; When Y=0.6Mpa, K
3=60.
Described mending-leakage unit comprises: pressure injection rifle and injection unit, wherein:
Described pressure injection rifle is used for determining according to described mending-leakage parameter the consumption of sealing agent, and affiliated sealing agent is spread upon the described mending-leakage zone for the treatment of;
Described injection unit is used for and the solidified glue secondary is applied to the described mending-leakage zone for the treatment of under ultra violet lamp.
Described injection unit and described uviol lamp are the integrated design.
As seen, in embodiments of the present invention, the gas leakage point on the checkout facility; Determine the mending-leakage parameter, described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point; Determine the consumption of sealing agent affiliated sealing agent to be spread upon the described mending-leakage zone for the treatment of according to described mending-leakage parameter, and under ultra violet lamp, the solidified glue secondary is applied to the described mending-leakage zone for the treatment of.The method that the embodiment of the invention provided can detect SF automatically
6Leakage point on equipment, and definite mending-leakage parameter carry out automatic leakage-repairing fast and accurately according to the mending-leakage parameter again.Greatly improve the mending-leakage speed after detecting leakage point, improved the mending-leakage quality, avoided the generation of potential safety hazard effectively.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the embodiment of the present application one method flow diagram;
Fig. 2 is the flow chart of a step in the embodiment of the present application one method;
The structural representation of a kind of device that Fig. 3 provides for the embodiment of the present application;
The structural representation of a unit in a kind of device that Fig. 4 provides for the embodiment of the present application;
The structural representation of another unit in a kind of device that Fig. 5 provides for the embodiment of the present application;
The structural representation of another unit in the device that Fig. 6 provides for the embodiment of the present application.
Embodiment
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Please refer to Fig. 1, be the embodiment of the present application one method flow diagram, can may further comprise the steps:
S101, the gas leakage point on the checkout facility;
By to SF
6Attribute comprehensively discover SF
6Gas is extremely strong to 10.5～10.7 μ m infrared band absorption characteristics, and the input wavelength of carbon dioxide gas laser is 10.5～10.7 μ m, just in time is located at SF
6Can absorb within infrared band 10.5～10.7 mu m ranges.CO
2Laser forms hot spot at body surface after beam expanding lens expands bundle, utilize thermal imager that hot spot is observed, and observes complete laser facula under the normal condition in the thermal imager, as SF
6During gas leakage, the SF that the part of the infrared waves that laser facula sends is revealed
6GAS ABSORPTION, this part laser facula will present black shade.In view of the above, referring to Fig. 2, the gas leakage point on the checkout equipment that the embodiment of the invention provided specifically comprises:
Whether S201 has black shade in the hot spot of judgment device under the thermal imager irradiation;
S202, if having, then the pairing position of this black shade is the gas leakage point on the equipment.
This hot spot is that equipment to be detected is by CO
2Formed after the laser radiation, this CO
2Laser has passed through the expansion bundle operation of beam expanding lens.
S102 determines the mending-leakage parameter, and described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point;
After having determined gas leakage point,, also need further definite several mending-leakage parameters that influence the mending-leakage effect in order to realize the mending-leakage operation timely and accurately.
In the embodiment of the invention, this mending-leakage parameter mainly comprises: the pressure Y that treats mending-leakage region area S, gas leakage speed L and leakage point.
Wherein, treat mending-leakage region area S, unit is mm
2, be meant that will carry out the mending-leakage operation in great scope on earth after having determined leakage point could effectively realize mending-leakage.The area for the treatment of the mending-leakage zone according to the difference of leakage point position may have difference, specifically needs to determine according to actual needs.
Gas leakage speed L, unit is ml/s, is meant the gas rate of outflow of leakage point, according to the difference of the gas rate of outflow of leakage point, the consumption of leakage compensating agent can be subjected to certain influence.
According to leakage speed, the gas leakage point can be divided into three classes: A, flow velocity at 1-12ml/S; B, flow velocity are 12-20ml/S; C, flow velocity are more than 20ml/S.
The pressure Y of leakage point, unit is MPa, because the existence of leakage point air pressure, gas may let out from all directions of leakage point, so the pressure of leakage point also can influence the carrying out of mending-leakage work.
S103 determines the consumption of sealing agent affiliated sealing agent to be spread upon the described mending-leakage zone for the treatment of according to described mending-leakage parameter, and the solidified glue secondary is applied to the described mending-leakage zone for the treatment of under ultra violet lamp.
In the embodiment of the invention, by the comprehensive mending-leakage of leakage compensating agent bag realization to leakage point.This leakage compensating agent comprises sealing agent and solidified glue.
In order to reach better mending-leakage effect, can adopt high density sealing agent and special-purpose solidified glue in conjunction with finishing mending-leakage work.Mending-leakage flow process to the leak point is specially: at first use the high density sealing agent to smear the leak source zone, reduce leak source pressure, adopt special-purpose solidified glue secondary to smear again, solidify fast by special-purpose ultra violet lamp glue, finish mending-leakage.
The method that the embodiment of the invention provided can detect SF automatically
6Leakage point on equipment, and definite mending-leakage parameter carry out automatic leakage-repairing fast and accurately according to the mending-leakage parameter again.Greatly improve the mending-leakage speed after detecting leakage point, improved the mending-leakage quality, avoided the generation of potential safety hazard effectively.
In the mending-leakage process, the high density sealing agent is smeared dosage, mending-leakage region area and extrusion pressure and is adopted and can draw according to actual experience data, and finishes smearing of sealing agent by the back that is provided with to automatic sealing agent pressure injection rifle by automatic sealing agent pressure injection rifle.The rifle head of this automatic sealing agent pressure injection rifle can design according to the leakage position surface, to satisfy the pressure injection of various complex device surface configurations.
Preferably, can design flexible pressure injection head to adapt to the leak site surface more widely.
In the practical application, can determine the pressure injection parameter of leakage point sealing agent according to S, L, Y, that is:
Sealing agent dosage M=K
1S
2+ K
2L+K
3Y (gram),
K
1Be fixed coefficient, the difference of gas leakage speed and difference.Wherein, gas leakage speed mainly is divided into three phases: A, 1-12ml/S; B, 12-20ml/S; The above three kinds of situations of C, 20ml/S.K
1With the relation of L can be referring to table 1.
K
2For also being preset parameter, mainly non-linear according to the different one-tenth of L.K
1With the relation of L can be referring to table 2.
K
3Become non-linear relation with Y, K
3With the relation of Y can be referring to table 3.
Table 1:
| Flow | 1-12ml/S | 12-20ml/S | 20ml/S |
| K 1 | 3.2 | 6.8 | 12.2 |
Table 2:
| Flow | 1-12ml/S | 12-20ml/S | 20ml/S |
| K 2 | 2 | 4 | 8 |
Table 3:
| Pressure | 0.4MPa | 0.5MPa | 0.6MPa |
| K 3 | 5 | 18 | 60 |
Suppose to detect the mending-leakage parameter and be respectively: the area S=5mm of leakage point in mending-leakage process
2, gas leakage speed is L=15ml/s, the pressure Y=0.5Mpa of leakage point determines that according to table 1～table 3 process of the consumption of sealing agent is: L=15ml/s, can determine K according to table 1 and table 1
1=6.8, K
2=4; Y=0.5Mpa can determine K according to table 3
3=18, thus the consumption M=6.8*5*5+4*15+0.5*18=239 that can determine sealing agent in this example restrains.
Sealing agent dosage is benchmark with the above-mentioned relation, by the automatic pressure casting rifle leak source zone is sprayed extruding, and the about 30-120S of extrusion time is as the criterion not bloat bubble or to bloat slight bubble.
Special-purpose solidified glue secondary smear with special-purpose sealing agent operation room every should lacking as far as possible, the solidified glue consumption and curing time T with pipe in SF
6Gas pressure is relevant, and physical relationship can be referring to table 4 and table 5.
Table 4:
| Pressure | 0.4MPa | 0.5MPa | 0.6MPa |
| The glue consumption | 10 | 40 | 100 |
Table 5:
| Pressure | 0.4MPa | 0.5MPa | 0.6MPa |
| T | 45S | 30S | 10S |
In general, SF
6Gas pressure is big more, and the consumption of solidified glue is many more, and curing time is short more.
According to the numerical value in the above table, in actual applications each mending-leakage parameter can be set accordingly, realize mending-leakage more accurately.
Referring to Fig. 3, the embodiment of the invention also provides a kind of leakage compensating device of sulphur hexafluoride, and this device comprises:
Detecting unit 301 is used for the gas leakage point on the checkout facility;
Determining unit 302 is used for determining the mending-leakage parameter that described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point;
Mending-leakage unit 303 be used for determining according to described mending-leakage parameter the consumption of leakage compensating agent, and impassioned described leakage compensating agent is applied to the described mending-leakage zone for the treatment of under ultra violet lamp.
Described gas leakage speed L comprises Three Estate, wherein:
The speed of the first estate is: L is more than or equal to 1ml/s and smaller or equal to 12ml/s;
The speed of second grade is: L is greater than 12ml/s and smaller or equal to 20ml/s;
The speed of the tertiary gradient is: L is greater than 20ml/s.
The pressure Y of the consumption M of described leakage compensating agent and mending-leakage region area S, gas leakage speed L and leakage point has following relation:
M=K
1S
2+ K
2L+K
3Y, wherein:
L and K
1With K
2Have following relation:
When L is the speed of the first estate, K
1=3.2; K
2=2;
When L is the speed of second grade, K
1=6.8; K
2=4;
When L is the speed of the tertiary gradient, K
1=12.2; K
2=8;
Y and K
3Have following relation:
When Y=0.4Mpa, K
3=5; When Y=0.5Mpa, K
3=18; When Y=0.6Mpa, K
3=60.
Referring to Fig. 4, described detecting unit 301 comprises:
Determine subelement 403, be used for determining leakage point on the equipment to be detected according to the black shade of image to be detected.
Referring to Fig. 5, in another embodiment of the present invention, detecting unit shown in Figure 4 also comprises: control system subelement 404, CCD imaging system subelement 405 and demonstration subelement 406, wherein:
Described thermal imager 401 captured video image and described CCD imaging system subelement 405 captured video images carry out data fusion through described control system subelement 404, obtain synthetic image, export to described demonstration subelement 406 and show.
Preferably, referring to Fig. 6, mending-leakage unit shown in Figure 3 comprises: pressure injection rifle 601 and injection unit 602, wherein:
In another embodiment of the present invention, described injection unit 602 is the integrated design with described uviol lamp.Can realize like this solidifying, reduce curing time, improve the mending-leakage success rate while spraying.
The device that the embodiment of the invention provided can detect SF automatically
6Leakage point on equipment, and definite mending-leakage parameter carry out automatic leakage-repairing fast and accurately according to the mending-leakage parameter again.Greatly improve the mending-leakage speed after detecting leakage point, improved the mending-leakage quality, avoided the generation of potential safety hazard effectively.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when implementing the application, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the application or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is difference with other embodiment.Especially, for system embodiment, because it is substantially similar in appearance to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
The application can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise distributed computing environment (DCE) of above any system or equipment or the like.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in distributed computing environment (DCE), put into practice the application, in these distributed computing environment (DCE), by by communication network connected teleprocessing equipment execute the task.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Though described the application by embodiment, those of ordinary skills know, the application has many distortion and variation and the spirit that do not break away from the application, wish that appended claim comprises these distortion and variation and the spirit that do not break away from the application.
Claims (11)
1. the craft leakage mending method of a sulphur hexafluoride is characterized in that, comprising:
Gas leakage point on the checkout facility;
Determine the mending-leakage parameter, described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point;
Determine the consumption of sealing agent described sealing agent to be spread upon the described mending-leakage zone for the treatment of according to described mending-leakage parameter, and under ultra violet lamp, the solidified glue secondary is applied to the described mending-leakage zone for the treatment of.
2. method according to claim 1 is characterized in that, the gas leakage point on the described checkout facility comprises:
In the hot spot of judgment device under the thermal imager irradiation whether black shade is arranged, this hot spot is that equipment to be detected is by CO
2Formed after the laser radiation, this CO
2Laser has passed through the expansion bundle operation of beam expanding lens;
If have, then the pairing position of this black shade is the gas leakage point on the equipment.
3. method according to claim 1 is characterized in that, described gas leakage speed L comprises Three Estate, wherein:
The speed of the first estate is: L is more than or equal to 1ml/s and smaller or equal to 12ml/s;
The speed of second grade is: L is greater than 12ml/s and smaller or equal to 20ml/s;
The speed of the tertiary gradient is: L is greater than 20ml/s.
4. method according to claim 3 is characterized in that, the pressure Y of the consumption M of described sealing agent and mending-leakage region area S, gas leakage speed L and leakage point has following relation:
M=K
1S
2+ K
2L+K
3Y, wherein:
L and K
1With K
2Have following relation:
When L is the speed of the first estate, K
1=3.2; K
2=2;
When L is the speed of second grade, K
1=6.8; K
2=4;
When L is the speed of the tertiary gradient, K
1=12.2; K
2=8;
Y and K
3Have following relation:
When Y=0.4Mpa, K
3=5; When Y=0.5Mpa, K
3=18; When Y=0.6Mpa, K
3=60.
5. the leakage compensating device of a sulphur hexafluoride is characterized in that, comprising:
Detecting unit is used for the gas leakage point on the checkout facility;
Determining unit is used for determining the mending-leakage parameter that described mending-leakage parameter comprises the pressure for the treatment of mending-leakage region area, gas leakage speed and leakage point;
The mending-leakage unit is used for determining according to described mending-leakage parameter the consumption of sealing agent, and affiliated sealing agent is spread upon the described mending-leakage district that treats, and the solidified glue secondary is applied to the described mending-leakage zone for the treatment of under ultra violet lamp.
6. device according to claim 5 is characterized in that, described detecting unit comprises:
Thermal imager is used to take equipment drawing picture to be detected;
Judgment sub-unit, whether the hot spot of the equipment drawing picture to be detected that is used for judging that thermal imager is captured has black shade, and this hot spot is that equipment to be detected is by CO
2Formed after the laser radiation, this CO
2Laser has passed through the expansion bundle operation of beam expanding lens;
Determine subelement, be used for determining leakage point on the equipment to be detected according to the black shade of image to be detected.
7. device according to claim 5 is characterized in that, described detecting unit also comprises: control system subelement, CCD imaging system subelement and demonstration subelement, wherein:
Video image that described thermal imager is captured and the captured video image of described CCD imaging system subelement carry out data fusion through described control system subelement, obtain synthetic image, export to described demonstration subelement and show.
8. device according to claim 5 is characterized in that, described gas leakage speed L comprises Three Estate, wherein:
The speed of the first estate is: L is more than or equal to 1ml/s and smaller or equal to 12ml/s;
The speed of second grade is: L is greater than 12ml/s and smaller or equal to 20ml/s;
The speed of the tertiary gradient is: L is greater than 20ml/s.
9. device according to claim 8 is characterized in that, the pressure Y of the consumption M of described sealing agent and mending-leakage region area S, gas leakage speed L and leakage point has following relation:
M=K
1S
2+ K
2L+K
3Y, wherein:
L and K
1With K
2Have following relation:
When L is the speed of the first estate, K
1=3.2; K
2=2;
When L is the speed of second grade, K
1=6.8; K
2=4;
When L is the speed of the tertiary gradient, K
1=12.2; K
2=8;
Y and K
3Have following relation:
When Y=0.4Mpa, K
3=5; When Y=0.5Mpa, K
3=18; When Y=0.6Mpa, K
3=60.
10. according to any described device of claim 5～9, it is characterized in that described mending-leakage unit comprises: pressure injection rifle and injection unit, wherein:
Described pressure injection rifle is used for determining according to described mending-leakage parameter the consumption of sealing agent, and affiliated sealing agent is spread upon the described mending-leakage zone for the treatment of;
Described injection unit is used for and the solidified glue secondary is applied to the described mending-leakage zone for the treatment of under ultra violet lamp.
11. device according to claim 10 is characterized in that, described injection unit and described uviol lamp are the integrated design.
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| CN104821253A (en) * | 2015-05-20 | 2015-08-05 | 国家电网公司 | Online plugging device for power SF6 high-voltage circuit breaker with air-tight chamber and method |
| CN106548901A (en) * | 2017-01-20 | 2017-03-29 | 广东米勒电气有限公司 | A kind of SF6 primary cut-outs with leak detection and leakage mending function |
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| CN115654257A (en) * | 2022-10-26 | 2023-01-31 | 云南电网有限责任公司电力科学研究院 | Pressurized plugging method and pressurized plugging structure |
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| CN104821253A (en) * | 2015-05-20 | 2015-08-05 | 国家电网公司 | Online plugging device for power SF6 high-voltage circuit breaker with air-tight chamber and method |
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| CN115691031A (en) * | 2022-12-30 | 2023-02-03 | 四川港通医疗设备集团股份有限公司 | Medical gas alarm device with state monitoring function |
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