CN202494674U - Centralized online sulfur hexafluoride detection system - Google Patents
Centralized online sulfur hexafluoride detection system Download PDFInfo
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- CN202494674U CN202494674U CN2012200939548U CN201220093954U CN202494674U CN 202494674 U CN202494674 U CN 202494674U CN 2012200939548 U CN2012200939548 U CN 2012200939548U CN 201220093954 U CN201220093954 U CN 201220093954U CN 202494674 U CN202494674 U CN 202494674U
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- solenoid valve
- sulfur hexafluoride
- pipeline
- gas
- reciprocating pump
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Abstract
The utility model discloses a centralized online sulfur hexafluoride detection system which comprises a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve, a fifth solenoid valve, a sixth solenoid valve, a seventh solenoid valve, a reciprocating pump, a cylinder, a sulfur hexafluoride detector, a flow controller, a gas cylinder and a gas scale bottle. The an air detecting opening, the first solenoid valve, the third solenoid valve, the flow controller, the sulfur hexafluoride detector, the fourth solenoid valve and the reciprocating pump of the centralized online sulfur hexafluoride detection system are connected in sequence through pipelines. The pipeline between the first solenoid valve and the third solenoid valve is provided with a first pipeline connecting point, and the pipeline between the fourth solenoid valve and the reciprocating pump is provided with a second pipeline connecting point. The gas cylinder, the sixth solenoid valve, the first pipeline connecting point, the second solenoid valve, the second pipeline connecting point, the fifth solenoid valve and the gas cylinder are connected in sequence through pipelines. The pipeline between the first pipeline connecting point and the sixth solenoid valve is provided with a third pipeline connecting point which is connected with the seventh solenoid valve and the gas scale bottle in sequence through pipelines. The centralized online sulfur hexafluoride detection system can effectively impact the sulfur hexafluoride gas back according to an original pipeline after the sulfur hexafluoride gas is collected and detected, and therefore guarantees the effective and reasonable use of the sulfur hexafluoride gas.
Description
Technical field
The utility model relates to a kind of gas detecting system, particularly relates to the centralized on-line detecting system of a kind of sulfur hexafluoride.
Background technology
Existing sulfur hexafluoride detection system generally all is that the gas detection mouth at sulfur hexafluoride equipment takes out sulfur hexafluoride, after it is detected; With the sulfur hexafluoride gas emptying; So, just the sulfur hexafluoride gas after detecting has been carried out waste serious, if enterprise adopts the mode of sampling that sulfur hexafluoride gas is detected the back emptying for a long time; The production and operation cost of enterprise will be increased, also some adverse influences can be produced the long term growth of enterprise.
The utility model content
Based on this, be necessary to provide a kind of and also can the sulfur hexafluoride gas discharging be got into the centralized on-line detecting system of sulfur hexafluoride in the sulfur hexafluoride equipment after sulfur hexafluoride gas is detected.
For solving the problems of the technologies described above; The utility model provides a kind of sulfur hexafluoride centralized on-line detecting system; It comprises first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve, the 7th solenoid valve, reciprocating pump, cylinder, sulfur hexafluoride detecting device, flow controller, the gas cylinder of sulfur hexafluoride is housed and the gas bottle of sulfur hexafluoride, sulphuric dioxide, sulfuretted hydrogen, Co mixed gas is housed; Wherein, The gas detection mouth of sulfur hexafluoride equipment, first solenoid valve, the 3rd solenoid valve, flow controller, sulfur hexafluoride detecting device, the 4th solenoid valve are connected through pipeline with reciprocating pump successively; First solenoid valve has the first pipeline tie point that communicates with pipeline inside with pipeline between the 3rd solenoid valve; The 4th solenoid valve has the second pipeline tie point that communicates with pipeline inside with pipeline between the reciprocating pump; Gas cylinder, the 6th solenoid valve, the first pipeline tie point, second solenoid valve, the second pipeline tie point, the 5th solenoid valve, cylinder connect through pipeline successively; The first pipeline tie point has the 3rd pipeline tie point that communicates with pipeline inside with pipeline between the 6th solenoid valve, and the 3rd pipeline tie point connects the 7th solenoid valve and gas bottle successively through pipeline.
The present technique scheme mainly comprises eight stages when carrying out the online detection of sulfur hexafluoride.The first, the starting stage: all solenoid valve is in closed condition.The second, the sampling preparatory stage: reciprocating pump starts, and first solenoid valve and second solenoid valve are opened, all the other closed electromagnetic valves, and sulfur hexafluoride gas directly flows to reciprocating pump from sulfur hexafluoride equipment.Three, measuring phases: reciprocating pump continues operation; First solenoid valve is opened, second closed electromagnetic valve, and the 3rd solenoid valve and the 4th solenoid valve are all opened; The 5th solenoid valve, the 6th solenoid valve and the 7th closed electromagnetic valve; Gas flows to the sulfur hexafluoride detecting device from sulfur hexafluoride equipment, the detected gas composition, and gas flows to reciprocating pump from the sulfur hexafluoride detecting device then.The 4th; Recharge the stage: after detecting completion, first solenoid valve and second solenoid valve are opened, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve and the 7th closed electromagnetic valve; Reciprocating pump is replied operation, and sulfur hexafluoride gas is pushed back sulfur hexafluoride equipment.The 5th; The pipe flushing stage: after sulfur hexafluoride gas pushed back equipment, reciprocating pump stopped, and first solenoid valve is opened; Second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve and the 7th closed electromagnetic valve; The 6th solenoid valve is opened, and pure sulfur hexafluoride gas flows to sulfur hexafluoride equipment, flushing pipe from steel cylinder.The 6th; Sulfur hexafluoride detecting device rinse stage: first solenoid valve, second solenoid valve, the 5th solenoid valve and the 7th closed electromagnetic valve; Reciprocating pump starts, and the 3rd solenoid valve, the 4th solenoid valve and the 6th solenoid valve are opened, and sulfur hexafluoride gas flows to reciprocating pump from steel cylinder through the sulfur hexafluoride detecting device.The 7th; Recovery stage: behind the flushing sulfur hexafluoride detecting device, first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 6th solenoid valve and the 7th closed electromagnetic valve, the 5th solenoid valve is opened; Reciprocating pump is replied operation, and other gases are pushed back cylinder.The 8th, ending phase: all closed electromagnetic valves, detect and finish.
In a preferred embodiment, said first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve and the 7th solenoid valve all are connected on the PLC controller.Purpose is to make the centralized on-line detecting system of whole sulfur hexafluoride can realize robotization fully.
In a preferred embodiment, each said pipeline is stainless steel material.Purpose be prevent pipeline by sulfur hexafluoride gas, sulfur dioxide gas, sulfuretted hydrogen etc. with corrosion of piping.
The beneficial effect of the utility model is: can be effectively with after the sulfur hexafluoride gas acquisition testing with gas according to former pipeline refunds, guaranteed the effective and reasonable utilization of sulfur hexafluoride gas, reduced the operation cost of enterprise.
Description of drawings
Fig. 1 is the catenation principle figure of each parts of the utility model;
Fig. 2 is the gas flow figure of the utility model starting stage;
Fig. 3 is the utility model gas flow figure of sampling preparatory stage;
Fig. 4 is the gas flow figure of the utility model measuring phases;
Fig. 5 is the backwash gas flow figure in stage of the utility model;
Fig. 6 is the gas flow figure in the utility model pipe flushing stage;
Fig. 7 is the gas flow figure of the utility model sulfur hexafluoride detecting device rinse stage;
Fig. 8 is the gas flow figure of the utility model recovery stage;
Among the figure: 110-first solenoid valve, 120-second solenoid valve, 130-the 3rd solenoid valve, 140-the 4th solenoid valve, 150-the 5th solenoid valve; 160-the 6th solenoid valve, 170-the 7th solenoid valve, 200-reciprocating pump, 300-cylinder; 400-sulfur hexafluoride detecting device, 500-flow controller, 600-gas cylinder, 700-gas bottle; The 810-first pipeline tie point, the 820-second pipeline tie point, 830-the 3rd pipeline tie point, 900-sulfur hexafluoride equipment.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further explain.
Embodiment:
As shown in Figure 1; The centralized on-line detecting system of a kind of sulfur hexafluoride, it comprises first solenoid valve 110, second solenoid valve 120, the 3rd solenoid valve 130, the 4th solenoid valve 140, the 5th solenoid valve 150, the 6th solenoid valve 160, the 7th solenoid valve 170, reciprocating pump 200, cylinder 300, sulfur hexafluoride detecting device 400, flow controller 500, the gas cylinder 600 of sulfur hexafluoride is housed and the gas bottle 700 of sulfur hexafluoride, sulphuric dioxide, sulfuretted hydrogen, Co mixed gas is housed.Wherein, The gas detection mouth of sulfur hexafluoride equipment 900, first solenoid valve 110, the 3rd solenoid valve 130, flow controller 500, sulfur hexafluoride detecting device 400, the 4th solenoid valve 140 and reciprocating pump 200 are connected through pipeline successively; First solenoid valve 110 and pipeline between the 3rd solenoid valve 130 have the first pipeline tie point, 810, the four solenoid valves 140 that communicate with pipeline inside and have the second pipeline tie point 820 that communicates with pipeline inside with pipeline between the reciprocating pump 200.Gas cylinder 600, the 6th solenoid valve 160, the first pipeline tie point 810, second solenoid valve 120, the second pipeline tie point 820, the 5th solenoid valve 150, cylinder 300 connect through pipeline successively; The first pipeline tie point 810 has the 3rd pipeline tie point 830, the three pipeline tie points 830 that communicate with pipeline inside with pipeline between the 6th solenoid valve 160 and connects the 7th solenoid valve 170 and gas bottle 700 successively through pipeline.
In the present embodiment, said first solenoid valve 110, second solenoid valve 120, the 3rd solenoid valve 130, the 4th solenoid valve 140, the 5th solenoid valve 150, the 6th solenoid valve 160 and the 7th solenoid valve 170 all are connected on the PLC controller.Purpose is to make the centralized on-line detecting system of whole sulfur hexafluoride can realize robotization fully.
In the present embodiment, each said pipeline is stainless steel material.Purpose be prevent pipeline by sulfur hexafluoride gas, sulfur dioxide gas, sulfuretted hydrogen etc. with corrosion of piping.
Present embodiment mainly contains with the next stage when carrying out the online detection of sulfur hexafluoride.
The first, the starting stage: as shown in Figure 2, all solenoid valve is in closed condition.
The second, the sampling preparatory stage: as shown in Figure 3, reciprocating pump 200 starts, and first solenoid valve 110 and second solenoid valve 120 are opened, all the other closed electromagnetic valves, and sulfur hexafluoride gas directly flows to reciprocating pump 200 from sulfur hexafluoride equipment 900.
Three, measuring phases: as shown in Figure 4, reciprocating pump 200 continues operation, and first solenoid valve 110 is opened; Second solenoid valve 120 cuts out; The 3rd solenoid valve 130 and the 4th solenoid valve 140 are all opened, and the 5th solenoid valve 150, the 6th solenoid valve 160 and the 7th solenoid valve 170 are closed, and gas flows to sulfur hexafluoride detecting device 400 from sulfur hexafluoride equipment 900; The detected gas composition, gas flows to reciprocating pump 200 from sulfur hexafluoride detecting device 400 then.
The 4th; Recharge the stage: as shown in Figure 5; After detect accomplishing, first solenoid valve 110 and 120 unlatchings of second solenoid valve, the 3rd solenoid valve 130, the 4th solenoid valve 140, the 5th solenoid valve 150, the 6th solenoid valve 160 and the 7th solenoid valve 170 are closed; Reciprocating pump 200 is replied operation, and sulfur hexafluoride gas is pushed back sulfur hexafluoride equipment 900.
The 5th, the pipe flushing stage: as shown in Figure 6, sulfur hexafluoride gas pushed back equipment after; Reciprocating pump 200 stops; First solenoid valve 110 is opened, and second solenoid valve 120, the 3rd solenoid valve 130, the 4th solenoid valve 140, the 5th solenoid valve 150 and the 7th solenoid valve 170 are closed, and the 6th solenoid valve 160 is opened; Pure sulfur hexafluoride gas flows to sulfur hexafluoride equipment 900, flushing pipe from steel cylinder.
The 6th; Sulfur hexafluoride detecting device 400 rinse stage: as shown in Figure 7; First solenoid valve 110, second solenoid valve 120, the 5th solenoid valve 150 and the 7th solenoid valve 170 are closed; Reciprocating pump 200 starts, and the 3rd solenoid valve 130, the 4th solenoid valve 140 and the 6th solenoid valve 160 are opened, and sulfur hexafluoride gas flows to reciprocating pump 200 from steel cylinder through sulfur hexafluoride detecting device 400.
The 7th; Recovery stage: as shown in Figure 8; Behind the flushing sulfur hexafluoride detecting device 400, first solenoid valve 110, second solenoid valve 120, the 3rd solenoid valve 130, the 4th solenoid valve 140, the 6th solenoid valve 160 and the 7th solenoid valve 170 are closed, and the 5th solenoid valve 150 is opened; Reciprocating pump 200 is replied operation, and other gases are pushed back cylinder 300.
The 8th, ending phase: all closed electromagnetic valves, detect and finish.
In the above-mentioned stage, also can comprise with the next stage:
Calibration phase: the 3rd solenoid valve 130, the 4th solenoid valve 140 and the 7th solenoid valve 170 are opened; All the other closed electromagnetic valves; Calibrating gas in the gas bottle 700 flows through sulfur hexafluoride detecting device 400, and reciprocating pump 200 starts, and accomplishes the demarcation calibration of sulfur hexafluoride detecting device 400.
Above-listed detailed description is specifying to one of the utility model possible embodiments; This embodiment is not the claim in order to restriction the utility model; Allly do not break away from the equivalence that the utility model does and implement or change, all should be contained in the claim of this case.
Claims (3)
1. centralized on-line detecting system of sulfur hexafluoride; It is characterized in that: it comprises first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve, the 7th solenoid valve, reciprocating pump, cylinder, sulfur hexafluoride detecting device, flow controller, the gas cylinder of sulfur hexafluoride is housed and the gas bottle of sulfur hexafluoride, sulphuric dioxide, sulfuretted hydrogen, Co mixed gas is housed; Wherein, The gas detection mouth of sulfur hexafluoride equipment, first solenoid valve, the 3rd solenoid valve, flow controller, sulfur hexafluoride detecting device, the 4th solenoid valve are connected through pipeline with reciprocating pump successively; First solenoid valve has the first pipeline tie point that communicates with pipeline inside with pipeline between the 3rd solenoid valve; The 4th solenoid valve has the second pipeline tie point that communicates with pipeline inside with pipeline between the reciprocating pump; Gas cylinder, the 6th solenoid valve, the first pipeline tie point, second solenoid valve, the second pipeline tie point, the 5th solenoid valve, cylinder connect through pipeline successively; The first pipeline tie point has the 3rd pipeline tie point that communicates with pipeline inside with pipeline between the 6th solenoid valve, and the 3rd pipeline tie point connects the 7th solenoid valve and gas bottle successively through pipeline.
2. the centralized on-line detecting system of sulfur hexafluoride according to claim 1 is characterized in that: said first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve and the 7th solenoid valve all are connected on the PLC controller.
3. the centralized on-line detecting system of sulfur hexafluoride according to claim 1 is characterized in that: each said pipeline is stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200939548U CN202494674U (en) | 2012-03-13 | 2012-03-13 | Centralized online sulfur hexafluoride detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200939548U CN202494674U (en) | 2012-03-13 | 2012-03-13 | Centralized online sulfur hexafluoride detection system |
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| Publication Number | Publication Date |
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| CN202494674U true CN202494674U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200939548U Expired - Lifetime CN202494674U (en) | 2012-03-13 | 2012-03-13 | Centralized online sulfur hexafluoride detection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181856A (en) * | 2015-11-05 | 2015-12-23 | 广东电网有限责任公司电力科学研究院 | Automatic detection device for insulated gas of single-hole sulfur hexafluoride electrical equipment |
| CN105203711A (en) * | 2014-10-21 | 2015-12-30 | 上海乐研电气科技有限公司 | Sulfur hexafluoride (SF6) gas micro water on-line monitoring device of high-voltage electrical device, method and system |
| CN108195639A (en) * | 2017-11-24 | 2018-06-22 | 国网北京市电力公司 | Sulfur hexafluoride sampler |
-
2012
- 2012-03-13 CN CN2012200939548U patent/CN202494674U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203711A (en) * | 2014-10-21 | 2015-12-30 | 上海乐研电气科技有限公司 | Sulfur hexafluoride (SF6) gas micro water on-line monitoring device of high-voltage electrical device, method and system |
| CN105181856A (en) * | 2015-11-05 | 2015-12-23 | 广东电网有限责任公司电力科学研究院 | Automatic detection device for insulated gas of single-hole sulfur hexafluoride electrical equipment |
| CN108195639A (en) * | 2017-11-24 | 2018-06-22 | 国网北京市电力公司 | Sulfur hexafluoride sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |