CN204062310U - A kind of protective gear of gas pipeline - Google Patents
A kind of protective gear of gas pipeline Download PDFInfo
- Publication number
- CN204062310U CN204062310U CN201420478472.3U CN201420478472U CN204062310U CN 204062310 U CN204062310 U CN 204062310U CN 201420478472 U CN201420478472 U CN 201420478472U CN 204062310 U CN204062310 U CN 204062310U
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- China
- Prior art keywords
- gas
- gas pipeline
- pipeline
- quick temperature
- high quick
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Abstract
The utility model discloses a kind of protective gear of gas pipeline, comprise decoupling device, shielding earth, high quick temperature transducer, pressure transducer, warning device, control switch and gas valve, described decoupling device is located at the outer wall of gas pipeline, the negative pole of decoupling device is connected with gas pipeline by cable, and decoupling device positive pole is connected with shielding earth by cable; The outer wall of gas pipeline is also provided with high quick temperature transducer, high quick temperature transducer is connected with warning device; With gas supply direction for postive direction, described gas valve is positioned at the front end of high quick temperature transducer, gas valve is connected with control switch, described gas valve comprises ring surface shell and flexible seals, described ring surface shell is provided with pressure transducer, the utility model protectiveness is good, and the isolation layer of energy available protecting gas pipeline, prevents gas pipeline from being corroded; Pipeline gas leakage situation can be monitored; In pipeline, combustion gas can effectively stop the condition of a fire to strengthen further after catching fire, and can real-time early warning.
Description
Technical field
The utility model relates to a kind of protective gear of gas pipeline.
Background technique
In fuel gas transmission process, because the needs of pipeline protection and cathodic protection, can at gas pipeline outer wrapping one layer insulating, due to the existence of isolation layer, electric current is by Mutual Inductance Coupling, condenser coupling, resistively couple, and make pipeline to produce induced electromotive force and overvoltage, induced electromotive force and overvoltage can produce electrochemical corrosion to pipeline, accelerate Pipeline damage, destroy isolation layer; Gas pipeline is owing to being embedded in underground, and piping failure, without obvious sign, is usually caused because of external world's construction in earth's surface, gas leakage, and gas company often can not find the very first time, gas leakage may cause blast to wait the situation of harm personal safety, must stop air feed in time; When accidentally catching fire in pipeline, in order to prevent the condition of a fire from strengthening further, also should intercept burning things which may cause a fire disaster in time, cutting off gas supply; For above problem, the protective gear studying a kind of gas pipeline is needed to solve above problem.
Model utility content
The purpose of this utility model be to provide a kind of can effective decoupling, anticorrosion ability good, automatically can cut off gas supply and timely protective gear trouble location being reported the gas pipeline of control centre of gas company, to solve the problem proposed in above-mentioned background technology when gas pipeline breakage is leaked or gas pipeline catches fire.
For achieving the above object, the utility model provides following technological scheme:
A kind of protective gear of gas pipeline, comprise decoupling device, shielding earth, high quick temperature transducer, pressure transducer, warning device, control switch and gas valve, described decoupling device is located at the outer wall of gas pipeline, the negative pole of decoupling device is connected with gas pipeline by cable, and the positive pole of decoupling device is connected with shielding earth by cable; The outer wall of gas pipeline is also provided with high quick temperature transducer, high quick temperature transducer is connected with warning device; With gas supply direction for postive direction, described gas valve is positioned at the front end of high quick temperature transducer, and gas valve is connected with control switch, and described gas valve comprises ring surface shell and flexible seals, and described ring surface shell is provided with pressure transducer.
As further program of the utility model: described shielding earth adopts anti-corrosion earth electrode, scribbles conducting polymer composite anticorrosive coat outside shielding earth.
As the utility model further scheme: described pressure transducer and warning device wireless connections.
As the utility model further scheme: the control system wireless connections of described warning device and control centre of gas company.
Compared with prior art, the beneficial effects of the utility model are: the utility model protectiveness is good, the isolation layer of energy available protecting gas pipeline, when Mutual Inductance Coupling, condenser coupling produce higher induced electromotive force or overvoltage on pipeline, decoupling device is by its pressure limiting and drainage function, potential difference between pipeline and shielding earth is limited within the scope of isolation layer acceptable, and electric charge is transferred to the earth by shielding earth, prevent gas pipeline from being corroded; Manifold pressure data can be sent to control centre of gas company by pressure transducer, monitoring pipeline gas leakage situation, when the manifold pressure value that pressure transducer is measured is starkly lower than default normal value, warning device sends early warning signal, is convenient to staff and investigates maintenance in time; After in pipeline, combustion gas is caught fire, when temperature in high quick temperature transducer testing pipes exceedes range of normal value, control switch controls gas valve and automatically cuts out, block gas supply, effective prevention condition of a fire strengthens further, condition of a fire information can be sent to control centre of gas company by warning device in time simultaneously, and staff can be taken measures in time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of protective gear of gas pipeline, comprise decoupling device 1, shielding earth 2, high quick temperature transducer 3, pressure transducer 4, warning device 5, control switch 6 and gas valve 7, described decoupling device 1 is located at the outer wall of gas pipeline 8, the negative pole of decoupling device 1 is connected with gas pipeline 8 by cable 9, the positive pole of decoupling device 1 is connected with shielding earth 2 by cable 9, described shielding earth 2 adopts anti-corrosion earth electrode, scribbles conducting polymer composite anticorrosive coat outside shielding earth 2; The outer wall of gas pipeline 8 is also provided with high quick temperature transducer 3, high quick temperature transducer 3 is connected with warning device 5; With gas supply direction for postive direction, described gas valve 7 is positioned at the front end of high quick temperature transducer 3, gas valve 7 is connected with control switch 6, described gas valve 7 comprises ring surface shell 10 and flexible seals 11, described ring surface shell 10 is provided with pressure transducer 4, described pressure transducer 4 and warning device 5 wireless connections, the control system wireless connections of described warning device 5 and control centre of gas company.
Working principle of the present utility model: in the utility model, the working principle of decoupling device 1 is prior art, does not repeat in the text.When there is the condition of a fire in gas pipeline, the change of high quick temperature transducer 3 energy detected temperatures, when temperature variation exceedes range of normal value, temperature variation signal exports by high quick temperature transducer 3, the relay adhesive on trigging control switch 6, flexible seals 11 on promotion pneumatic valve 7 is to central slide, with closing duct, cut off air feed, prevent the condition of a fire from expanding further, temperature variation signal is reached control centre of gas company, so that staff takes countermeasure in time by warning device 5 simultaneously; When there is gas leakage in gas pipeline, the force value that pressure transducer 4 detects can be less than range of normal value, now, pressure signal is reached warning device 5 by pressure transducer 4, pressure change signal is reached control centre of gas company by warning device 5, remind staff to overhaul investigation in time, prevent gas leakage from causing waste, pre-preventing gas large size is leaked and causes security incident.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (4)
1. the protective gear of a gas pipeline, comprise decoupling device (1), shielding earth (2), high quick temperature transducer (3), pressure transducer (4), warning device (5), control switch (6) and gas valve (7), it is characterized in that: described decoupling device (1) is located at the outer wall of gas pipeline (8), the negative pole of decoupling device (1) is connected with gas pipeline (8) by cable (9), and the positive pole of decoupling device (1) is connected with shielding earth (2) by cable (9); The outer wall of gas pipeline (8) is also provided with high quick temperature transducer (3), high quick temperature transducer (3) is connected with warning device (5); With gas supply direction for postive direction, described gas valve (7) is positioned at the front end of high quick temperature transducer (3), gas valve (7) is connected with control switch (6), described gas valve (7) comprises ring surface shell (10) and flexible seals (11), and described ring surface shell (10) is provided with pressure transducer (4).
2. the protective gear of gas pipeline according to claim 1, is characterized in that, described shielding earth (2) adopts anti-corrosion earth electrode, and shielding earth scribbles conducting polymer composite anticorrosive coat outside (2).
3. the protective gear of gas pipeline according to claim 1, is characterized in that, described pressure transducer (4) and warning device (5) wireless connections.
4. the protective gear of gas pipeline according to claim 1, is characterized in that, the control system wireless connections of described warning device (5) and control centre of gas company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478472.3U CN204062310U (en) | 2014-08-25 | 2014-08-25 | A kind of protective gear of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478472.3U CN204062310U (en) | 2014-08-25 | 2014-08-25 | A kind of protective gear of gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204062310U true CN204062310U (en) | 2014-12-31 |
Family
ID=52203822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478472.3U Expired - Fee Related CN204062310U (en) | 2014-08-25 | 2014-08-25 | A kind of protective gear of gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204062310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051326A (en) * | 2016-05-28 | 2016-10-26 | 许昌东方热力有限公司 | Novel heat supply pipeline |
-
2014
- 2014-08-25 CN CN201420478472.3U patent/CN204062310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051326A (en) * | 2016-05-28 | 2016-10-26 | 许昌东方热力有限公司 | Novel heat supply pipeline |
| CN106051326B (en) * | 2016-05-28 | 2018-12-28 | 许昌东方热力有限公司 | A kind of new heat-supplying pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |