CN203732429U - Three-dimensional distribution monitoring device for SF6 gas concentration in GIS (geographic information system) room - Google Patents
Three-dimensional distribution monitoring device for SF6 gas concentration in GIS (geographic information system) room Download PDFInfo
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- CN203732429U CN203732429U CN201320843118.1U CN201320843118U CN203732429U CN 203732429 U CN203732429 U CN 203732429U CN 201320843118 U CN201320843118 U CN 201320843118U CN 203732429 U CN203732429 U CN 203732429U
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- gis
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- gas concentration
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 64
- 238000001228 spectrum Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a three-dimensional distribution monitoring device for SF6 gas concentration in a GIS (geographic information system) room. The device comprises multiple detection modules, wherein each detection module comprises multiple pipelines and a control platform, as well as a detection device, a gas pump and a gas valve set, which are respectively connected with the control platform, the gas valve set comprises multiple gas valves, the gas valves are respectively arranged in the multiple pipelines, and each pipeline is connected with the gas pump; the detection device is also connected with an upper computer arranged outside the GIS room; the multiple detection modules are uniformly distributed on each preset detection surface of the GIS room. According to the utility model, the high-accuracy real-time monitoring on the SF6 gas concentration in the GIS room can be realized.
Description
Technical field
The utility model relates to SF
6gas detection technology field, particularly relates to a kind of GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration.
Background technology
SF
6gas self is a kind of gas of excellent insulation performance, 3 times of its breakdown field strength the chances are air, and its arc extinction performance excellence, is therefore widely used in power equipment gas-insulated simultaneously.But SF in the indoor station of GIS (the gas-insulating and fully-enclosed combined electrical apparatus of gas insulated substation)
6air leakage hidden danger is now as being ascendant trend year by year, on the one hand SF
6dielectric strength and the reliability service of the leakage contribution power equipment of gas, and environment is caused to larger impact; Owing to having switching manipulation and superpotential situation in gas switch and GIS, cause thus discharge process on the other hand, and cause SF
6the decomposition of gas, SF
6after the accessory substance of gas leaks out, because density is greater than air, therefore easy low layer Spatial Agglomeration in station, and be difficult for distributing, the safety that enters indoor maintenance and tour personnel has been formed to very serious danger.Traditional detection method is based on SF
6redox characteristic, adopt semi-conductive gas sensor, accuracy of detection is low, the life-span of sensor is short, adopts in addition SF
6at the laser imaging system of the absorption characteristic of infrared spectrum wave band, cost is high, needs to adopt manual inspection mode simultaneously, and human cost is high, unsuitable large-area popularization; In addition, the layout not science of existing gas sensor in station, direct-detection gas sensor position is the gas content in the minimum region of scope around, and therefore its testing result is for SF in GIS station
6the larger error of existence of distribution of gas, monitoring effect is not good, has potential safety hazard.
Utility model content
Based on this, the utility model provides a kind of GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration, can realize SF in the indoor station of GIS
6when the high-precision real of gas concentration, monitor.
A kind of GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration, comprise multiple detection modules, described detection module comprises many pipelines and controls platform, and the checkout equipment, air pump, the air valve group that are connected with described control platform respectively, described air valve group comprises multiple air valves, described air valve is arranged on every pipeline, and each pipeline is all connected with described air pump;
Described checkout equipment also connects and is arranged on the outdoor host computer of described GIS;
Described multiple detection module is evenly arranged in the indoor each layer of default detection faces of GIS.
Above-mentioned GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration, in the indoor default multilayer detection faces of GIS, arrange detection module, this detection module comprises many pipelines and controls platform, checkout equipment, air pump, air valve group, folding condition and described air pump by air valve described in each are opened, gas indoor GIS can be pumped in described checkout equipment by described pipeline, described checkout equipment detects SF from the indoor gas of described GIS
6the concentration of gas, obtains after this concentration value and outputs to and be arranged in the outdoor host computer of GIS, has realized SF
6the on-line monitoring of gas, had both improved equipment reliability of operation, ensured again operation maintenance personnel's personal safety simultaneously.
Brief description of the drawings
Fig. 1 is the utility model GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration structural representation in one embodiment.
Fig. 2 is the structural representation of detection module in Fig. 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, be a kind of GIS chamber SF of the utility model
6the schematic diagram of the three-dimensional distribution monitoring device of gas concentration, comprise multiple detection modules, as shown in Figure 2, it is the structural representation of described detection module, comprise many pipelines and control platform, and the checkout equipment, air pump, the air valve group that are connected with described control platform respectively, described air valve group comprises multiple air valves, described air valve is arranged on every pipeline, and each pipeline is all connected with described air pump;
Described checkout equipment also connects and is arranged on the outdoor host computer of described GIS;
Described multiple detection module is evenly arranged in the indoor each layer of default detection faces of GIS;
Described control platform can be exported control signal, control the folding condition of air valve described in each, and control described air pump and open, gas indoor GIS is pumped in described checkout equipment by described pipeline, described checkout equipment is for detecting SF from the indoor gas of described GIS
6after the concentration of gas, export described host computer to;
In the present embodiment, multiple detection modules are set in the plane of the indoor differing heights of GIS, each detection module can evenly be placed according to indoor stage space size, can place 4 detection modules at every one deck;
Wherein, described detection faces at least can have two-layer, and wherein one deck detection faces is the indoor ground of described GIS, and another layer of detection faces is the plane on 1 meter, described GIS indoor distances ground; Due to SF
6gas density is large compared with air, SF
6gas more can be deposited on GIS flooring, therefore need one deck detection faces be set on the indoor ground of GIS, and another layer of detection faces can be arranged in the plane on 1 meter, GIS indoor distances ground, more up height SF
6the concentration of gas is generally lower, can not arrange;
Described detection module comprises many pipelines and controls platform, and the checkout equipment, air pump, the air valve group that are connected with described control platform respectively, described air valve group comprises multiple air valves, and an air valve correspondence is arranged on a pipeline, and each pipeline is all connected with described air pump;
Control platform for controlling the unlatching of air pump or closing, and control the folding condition of the air valve of installing on every pipeline; On every pipeline, be all provided with air valve, for controlling conducting or the shutoff of pipeline; Every pipeline is all connected to air pump, and pipeline is used for being arranged on monitoring point, opens if control platform control air pump, can pump into by the pipeline of conducting the gas at monitoring point place, and the gas pumping into enters checkout equipment, carries out SF by checkout equipment
6the detection of gas concentration, testing result exports connected on-line monitoring system host computer to.
Wherein, described control platform is also for controlling air valve on a pipeline wherein in conducting state, and the air valve on other pipelines is in off state; Open described air pump simultaneously, by the pipeline of conducting, gas indoor GIS is pumped into described checkout equipment;
In the present embodiment, in each detection module, control the duty of platform control air valve, making has and only has an air valve in conducting state at synchronization, and all the other air valves are in off state, and the mixed gas in the region under by air pump, the conducting pipeline of choosing being covered pumps into checkout equipment, because the detection of checkout equipment needs certain hour section, therefore in pumping into detection gas, the mixed gas having detected is pumped, pump into be checked with stylish gas to be detected.Checkout equipment can got lines crossed each testing result to transfer to host computer by RS485.
In a preferred embodiment, every layer of detection faces evenly arranges 4 detection module mounting points, in each detection module mounting points, arranges described detection module; For example, detection faces is divided into 4 little rectangles, and detection module mounting points is arranged on the central point of each little rectangle, so can realize the even setting of detection module, the gas collecting of the corresponding little rectangular area of each detection module, makes the SF indoor to GIS
6the detection of gas is more accurate; Wherein, can comprise 8 pipelines in each detection module, each pipeline evenly arranges centered by described mounting points, every corresponding monitoring point of pipeline, and 8 pipelines can cover little rectangular area corresponding this detection module comprehensively, further improve accuracy of detection.
In a preferred embodiment, described checkout equipment is the sensor based on far-infrared spectrum, and sensors with auxiliary electrode were only needs 0.1s detection time, and accuracy of detection can reach 1.0ppm.
The utility model GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration, in the indoor default multilayer detection faces of GIS, arrange detection module, this detection module comprises many pipelines and controls platform, checkout equipment, air pump, air valve group, by the folding condition of air valve described in each, and control described air pump and open, gas indoor GIS can be pumped in described checkout equipment by described pipeline, described checkout equipment detects SF from the indoor gas of described GIS
6the concentration of gas, obtains after this concentration value and outputs to and be arranged in the outdoor host computer of GIS, has realized SF
6the on-line monitoring of gas, had both improved equipment reliability of operation, ensured again operation maintenance personnel's personal safety simultaneously.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. a GIS chamber SF
6the three-dimensional distribution monitoring device of gas concentration, it is characterized in that, comprise multiple detection modules, described detection module comprises many pipelines and controls platform, and the checkout equipment, air pump, the air valve group that are connected with described control platform respectively, described air valve group comprises multiple air valves, and described air valve is arranged on every pipeline, and each pipeline is all connected with described air pump;
Described checkout equipment also connects and is arranged on the outdoor host computer of GIS;
Described multiple detection module is evenly arranged in the indoor each layer of default detection faces of GIS.
2. GIS according to claim 1 chamber SF
6the three-dimensional distribution monitoring device of gas concentration, is characterized in that, described detection faces has at least two-layer, and wherein one deck detection faces is the indoor ground of described GIS, and another layer of detection faces is the plane on 1 meter, described GIS indoor distances ground.
3. GIS according to claim 2 chamber SF
6the three-dimensional distribution monitoring device of gas concentration, is characterized in that, every layer of detection faces evenly arranges 4 detection module mounting points, in each detection module mounting points, arranges described detection module.
4. GIS according to claim 3 chamber SF
6the three-dimensional distribution monitoring device of gas concentration, is characterized in that, each detection module comprises 8 pipelines, and each pipeline evenly arranges centered by described mounting points.
5. GIS according to claim 1 chamber SF
6the three-dimensional distribution monitoring device of gas concentration, is characterized in that, described checkout equipment is far red light spectrum sensor.
6. GIS according to claim 1 chamber SF
6the three-dimensional distribution monitoring device of gas concentration, is characterized in that, described checkout equipment is being got lines crossed and is being connected with described host computer by RS485.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843118.1U CN203732429U (en) | 2013-12-18 | 2013-12-18 | Three-dimensional distribution monitoring device for SF6 gas concentration in GIS (geographic information system) room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843118.1U CN203732429U (en) | 2013-12-18 | 2013-12-18 | Three-dimensional distribution monitoring device for SF6 gas concentration in GIS (geographic information system) room |
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| Publication Number | Publication Date |
|---|---|
| CN203732429U true CN203732429U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320843118.1U Expired - Lifetime CN203732429U (en) | 2013-12-18 | 2013-12-18 | Three-dimensional distribution monitoring device for SF6 gas concentration in GIS (geographic information system) room |
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| CN (1) | CN203732429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290723A (en) * | 2016-07-29 | 2017-01-04 | 国网北京市电力公司 | Gas leakage monitoring system |
-
2013
- 2013-12-18 CN CN201320843118.1U patent/CN203732429U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290723A (en) * | 2016-07-29 | 2017-01-04 | 国网北京市电力公司 | Gas leakage monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |