CN205120328U - A portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection - Google Patents
A portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection Download PDFInfo
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- CN205120328U CN205120328U CN201520881782.4U CN201520881782U CN205120328U CN 205120328 U CN205120328 U CN 205120328U CN 201520881782 U CN201520881782 U CN 201520881782U CN 205120328 U CN205120328 U CN 205120328U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title abstract description 10
- 238000005485 electric heating Methods 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000001931 thermography Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection, including main part cavity (12) that have air intake (1) and air outlet (4), be equipped with drive fan (2) and electric heating unit (3) in the mobile way of air between air intake (1) and air outlet (4) in main part cavity (12), be equipped with the portion of holding (8) of grabbing that is used for in manipulation between the service time on main part cavity (12), still including wind speed control knob (9) and heating power control handle (5) that are used for controlling electric heating unit (3) power that are used for control drive fan (2) power. The utility model relates to a conveniently make a portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection that infrared thermal imaging leak hunting method accuracy detected out less leakage point of spillage and specified leak position fast.
Description
Technical field
The utility model relates to a kind of fan heater, particularly relates to a kind of Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection.
Background technology
Along with growing continuously and fast of China's Electric Power Industry, GIS (GasInsulatedSwitchgear) equipment is because of series of advantages such as its floor area are little, it is fast, safe and reliable to operation to install, maintenance workload is few and the time between overhauls(TBO) is long, be widely used in electric system, its safe and reliable operation has become the vital factor of the whole operation of power networks of impact.Along with the increase of equipment recoverable amount, due to the SF that the factors such as product manufacturing quality, running wastage, Rig up error cause
6switchgear leakage problem also appears day by day.
Compared with traditional oils switchgear seepage, SF
6switchgear gas leakage has following characteristics: (1) has disguise, can not directly be found, and needs to carry out finding leak source by the method for science; (2) leakage pressure directly affects the break performance of isolating switch and the insulating property of equipment after reducing; (3) tonifying Qi repeatedly, tonifying Qi technique is in addition out of control, easily causes gas excessive water content, the deterioration of isolating switch overall performance; (4) type of leak source is various, not only seal problem, also comprises the types such as sprue gate sand holes, weld seam sand holes, tensimeter gas leakage.
The leak hunting method of current technology maturation mainly contains foam method, qualitative leak locator warning leak detecting, wrapping add quantitative leak detector leak detecting, laser imaging leak detecting and infrared thermal imaging leak detecting etc.Wherein, infrared thermal imaging leak detecting utilizes SF
6the optical absorption characteristics of gas for specific wavelength is extremely strong compared with air, and cause the infrared image of both reflections different, the Leakage Gas that can will can't see under visible ray, with reflecting of the formal intuition of Infrared video image.
But, because the temperature difference between the GIS device of indoor and surrounding environment is less, when there is the less leakage of leakage rate, display leakage situation cannot be known, and then cause infrared thermal imaging leak detecting accurately cannot detect the leakage point that leakage rate is less, and accurately determine leak position.
Utility model content
The technical problems to be solved in the utility model is to provide and a kind ofly makes infrared thermal imaging leak detecting accurately detect the leakage point that leakage rate is less easily and fast and accurately determine the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection of leak position.
In order to solve the problems of the technologies described above, the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection that the utility model provides, comprise the body cavity with air inlet and air outlet, in described body cavity, be provided with the drive fan in the air flow path be between described air inlet and described air outlet and electric heating unit; Described body cavity is provided with the grasping part for handling during use; Also comprise the blast velocity control knob for controlling described drive fan power and the heating power control handle for controlling described electric heating unit power.
Further, the bottom of described grasping part is provided with insulating bar coupling arrangement, comprises the insulating bar that an energy is connected with described insulating bar coupling arrangement.
Described insulating bar is by dismantling the insulating bar one section of connection and forming for insulating bar two sections.
Further, being provided with in described grasping part can the cavity of placing battery, and described battery 6 is electrically connected with described heating unit and drive fan by wire.
Described battery is charged lithium cells.
Described electric heating unit adopts electric-heating-wire-heating mode.
Described blast velocity control knob and described heating power control handle are located on described body cavity.
Adopt the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection of technique scheme, utilize Portable heating air-supply arrangement to heat indoor GIS device, recycling infrared thermal imaging leak detecting carries out SF to indoor GIS device
6leakage inspection.Control the flow velocity of the gas outlet place air of Portable heating air-supply arrangement, comprise slow-speed of revolution pattern, medium speed pattern, high rotating speed pattern; When finding leakage point, using the slow-speed of revolution pattern of Portable heating air-supply arrangement, making the flow velocity of the gas outlet place air of Portable heating air-supply arrangement lower; When discovery leakage situation, then the flow velocity of the gas outlet place air of Portable heating air-supply arrangement is adjusted to medium speed pattern or high rotating speed pattern, carries out the accurate location of leakage point.
Drive fan provides power to air in air flow path; Electric heating unit gives the air heat in air flow path; Grasping part is used for operating control during use; For controlling the control device of air conveying and air themperature.Electric heating unit adopts electric-heating-wire-heating mode, by controlling the temperature of different power and then control heating.The coupling arrangement with insulating bar is had bottom the grasping part of operating control.When GIS device is positioned at eminence, by connecting insulating bar, hunt leak.
The beneficial effects of the utility model are: infrared thermal imaging leak detecting can be assisted quick and precisely to find easily by this device and the SF of GIS device in orientation room
6leakage Gas point.There is structure simple, easy to operate, advantage fast and effectively.
In sum, the utility model is a kind of fast and convenient indoor GIS device SF
6the Portable heating air-supply arrangement of Leakage inspection, makes infrared thermal imaging leak detecting accurately can detect the leakage point that leakage rate is less, and accurately determines leak position.
Accompanying drawing explanation
Fig. 1 is the structural representation of this fan heater.
Fig. 2 is the structural representation of the insulating bar that the utility model provides.
Fig. 3 is the schematic diagram not using this method in embodiment 1.
Fig. 4 is the schematic diagram using this method in embodiment 1.
Fig. 5 is the schematic diagram not using this method in embodiment 2.
Fig. 6 is the schematic diagram using this method in embodiment 2.
Embodiment
Below in conjunction with instantiation, the utility model effect is further described.
See Fig. 1, the Portable heating air-supply arrangement that the utility model provides, Portable heating air-supply arrangement comprises the body cavity 12 with air inlet 1 and air outlet 4, is provided with and is in drive fan 2 between air inlet 1 and air outlet 4 and electric heating unit 3 in body cavity 12; Body cavity 12 is provided with the grasping part 8 for handling during use; Also comprise for controlling the blast velocity control knob 9 of described drive fan 2 power and the heating power control handle 5 for controlling electric heating unit 3 power.
See Fig. 1 and Fig. 2, further, the bottom of grasping part 8 is provided with insulating bar coupling arrangement 7, comprises the insulating bar that an energy is connected with insulating bar coupling arrangement 7.
Insulating bar is by dismantling the insulating bar one section 10 of connection and forming for two section 11 for insulating bar.
Further, being provided with in grasping part 8 can the cavity of placing battery 6, and battery 6 is electrically connected with described heating unit 3 and drive fan 2 by wire.
Battery 6 is charged lithium cells.
Electric heating unit 3 adopts electric-heating-wire-heating mode.
Blast velocity control knob 9 and described heating power control handle 5 are located on described body cavity 12.
See Fig. 1 and Fig. 2, the indoor GIS device SF that the utility model provides
6gas leak detection method, utilizes Portable heating air-supply arrangement to heat indoor GIS device, and recycling infrared thermal imaging leak detecting carries out SF to indoor GIS device
6leakage inspection.
Further, control the flow velocity of the gas outlet place air of Portable heating air-supply arrangement, comprise slow-speed of revolution pattern, medium speed pattern, high rotating speed pattern; When finding leakage point, using the slow-speed of revolution pattern of Portable heating air-supply arrangement, making the flow velocity of the gas outlet place air of Portable heating air-supply arrangement lower; When discovery leakage situation, then the flow velocity of the gas outlet place air of Portable heating air-supply arrangement is adjusted to medium speed pattern or high rotating speed pattern, carries out the accurate location of leakage point.
Embodiment 1: infrared leak detection is carried out for the indoor 110kVGIS equipment of certain 330kV transformer station.When not adopting this utility model method, the infrared leak detection picture of gained as shown in Figure 3; When this method is used, the infrared leak detection picture of gained as shown in Figure 4, is leakage point in circle in figure.Can find, adopt this utility model method accurately can find infrared leakage point.
Embodiment 2: infrared leak detection is carried out for the indoor 110kVGIS equipment of certain 110kV transformer station.When not adopting this utility model method, the infrared leak detection picture of gained as shown in Figure 5; When this method is used, the infrared leak detection picture of gained as shown in Figure 6, is leakage point in circle in figure.Can find, adopt this utility model method accurately can find infrared leakage point.
Claims (7)
1. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection, it is characterized in that: comprise the body cavity (12) with air inlet (1) and air outlet (4), in described body cavity (12), be provided with the drive fan (2) in the air flow path be between described air inlet (1) and described air outlet (4) and electric heating unit (3); Described body cavity (12) is provided with the grasping part (8) for handling during use; Also comprise the blast velocity control knob (9) for controlling described drive fan (2) power and the heating power control handle (5) for controlling described electric heating unit (3) power.
2. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection according to claim 1, it is characterized in that: the bottom of described grasping part (8) is provided with insulating bar coupling arrangement (7), comprise the insulating bar that an energy is connected with described insulating bar coupling arrangement (7).
3. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection according to claim 2, is characterized in that: described insulating bar is by dismantling the insulating bar one section (10) of connection and forming for insulating bar two sections (11).
4. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection according to claim 1 and 2, it is characterized in that: being provided with in described grasping part (8) can the cavity of placing battery (6), and described battery (6) is electrically connected with described heating unit (3) and drive fan (2) by wire.
5. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection according to claim 4, is characterized in that: described battery (6) is charged lithium cells.
6. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection according to claim 1 and 2, is characterized in that: described electric heating unit (3) adopts electric-heating-wire-heating mode.
7. the Portable heating air-supply arrangement for indoor GIS device SF6 Leakage inspection according to claim 1 and 2, is characterized in that: described blast velocity control knob (9) and described heating power control handle (5) are located on described body cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881782.4U CN205120328U (en) | 2015-11-06 | 2015-11-06 | A portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881782.4U CN205120328U (en) | 2015-11-06 | 2015-11-06 | A portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection |
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| CN205120328U true CN205120328U (en) | 2016-03-30 |
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| CN201520881782.4U Active CN205120328U (en) | 2015-11-06 | 2015-11-06 | A portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424638A (en) * | 2015-11-06 | 2016-03-23 | 国家电网公司 | Detection method for SF6 gas leakage of indoor GIS equipment and device achieving detection method |
| CN109118723A (en) * | 2018-09-28 | 2019-01-01 | 安徽芯核防务装备技术股份有限公司 | A kind of inflammable volatile matter monitoring device of bus |
| CN109357818A (en) * | 2018-11-20 | 2019-02-19 | 查春妹 | Detection device is used in a kind of processing of fire valve |
-
2015
- 2015-11-06 CN CN201520881782.4U patent/CN205120328U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424638A (en) * | 2015-11-06 | 2016-03-23 | 国家电网公司 | Detection method for SF6 gas leakage of indoor GIS equipment and device achieving detection method |
| CN109118723A (en) * | 2018-09-28 | 2019-01-01 | 安徽芯核防务装备技术股份有限公司 | A kind of inflammable volatile matter monitoring device of bus |
| CN109118723B (en) * | 2018-09-28 | 2021-03-26 | 安徽芯核防务装备技术股份有限公司 | Bus inflammable volatile matter monitoring devices |
| CN109357818A (en) * | 2018-11-20 | 2019-02-19 | 查春妹 | Detection device is used in a kind of processing of fire valve |
| CN109357818B (en) * | 2018-11-20 | 2021-05-04 | 福思特阀门集团有限公司 | Detection device is used in fire control valve processing |
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