CN211146111U - Natural gas transmission pipeline gas leakage detection device - Google Patents
Natural gas transmission pipeline gas leakage detection device Download PDFInfo
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- CN211146111U CN211146111U CN201921757335.2U CN201921757335U CN211146111U CN 211146111 U CN211146111 U CN 211146111U CN 201921757335 U CN201921757335 U CN 201921757335U CN 211146111 U CN211146111 U CN 211146111U
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- pipeline
- sealing
- conveying pipeline
- detection device
- natural gas
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Abstract
The utility model discloses a natural gas conveying pipeline gas leakage detection device, which comprises a first conveying pipeline, a second conveying pipeline and a connecting pipeline, wherein two ends of the connecting pipeline are respectively connected with the first conveying pipeline and the second conveying pipeline in a sealing way through flanges; rain-proof sealed cover is equipped with outside outstanding detection room, and the restriction that slides in the detection room has the roof, and coil spring has been placed to the top of roof, and coil spring's inside is equipped with pressure sensor, and pressure sensor is connected with wireless alarm through microprocessor, and wireless alarm carries out wireless communication through built-in wireless transceiver module and backstage terminal. The utility model discloses reduce pressure sensor's quantity by a wide margin, reduce the detection cost, pressure sensor is external overall arrangement for the pipeline simultaneously, the maintenance in the later stage of being convenient for.
Description
Technical Field
The utility model relates to a check out test set technical field especially relates to a natural gas transmission pipeline gas leakage detection device.
Background
Along with the continuous improvement of the economy of China, the use amount of natural gas is more and more, and in the transportation process of the natural gas, the natural gas is mainly transported through a pipeline, but because the transportation distance of the natural gas is longer and longer, the transportation pressure is larger and larger, and therefore in the transportation process of the natural gas, the natural gas transportation pipeline needs to be subjected to gas leakage detection.
To this end, patent specification CN209213479U discloses a natural gas pipeline transportation air leakage detection device, which includes: the pressure detectors are arranged on the inner walls of the first gas conveying pipe and the second gas conveying pipe at equal intervals along the length direction of the first gas conveying pipe and the second gas conveying pipe; the connecting pipe head is arranged at the end parts of the first gas pipe and the second gas pipe, the first gas pipe and the second gas pipe are detachably connected through the connecting pipe head, and a sealing connecting ring is arranged on the outer side of the connecting part of the connecting pipe head; the electromagnetic control valve is arranged in the first gas transmission pipe and the second gas transmission pipe at the position close to the connecting pipe head; the natural gas detector is arranged on the sealing connecting ring. The gas leakage detection device for natural gas pipeline transportation has the disadvantages that firstly, each interface of the gas leakage detection device needs to be provided with a plurality of pressure detectors, and the detection cost of the whole transportation pipeline is very high; and secondly, the pressure detector is of a built-in structure, so that later maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the conventional art, provide a natural gas conveying pipeline gas leakage detection device.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a gas leakage detection device for a natural gas conveying pipeline comprises a first conveying pipeline, a second conveying pipeline and a connecting pipeline, wherein two ends of the connecting pipeline are respectively connected with the first conveying pipeline and the second conveying pipeline in a sealing mode through flanges, valves are arranged in the connecting pipeline, a rainproof sealing cover is arranged on the outer side of the connecting pipeline, the rainproof sealing cover is of an up-down split structure and is formed by two half cover bodies which are connected in a butt joint mode through bolts, semicircular bayonets matched with the outer walls of the first conveying pipeline or the second conveying pipeline are formed in side plates of the two half cover bodies, sealing half ring bodies are fixed on the inner sides, located on the semicircular bayonets, of the two half cover bodies, sealing ring mounting grooves in a semicircular shape are formed in the inner sides of the sealing half ring bodies, and sealing rings are arranged in the sealing ring mounting grooves; the valve rod of being convenient for is seted up in the half cover body that is located the top and is perforated, and perforation department installs the bearing seal, and this half cover body is equipped with the detection room of outside salient simultaneously, the movable groove has been seted up in the detection room, the restriction that slides in the movable groove has the roof, the top that the detection room is located the roof has placed coil spring, coil spring's inside is equipped with and detects some pressure sensor of room roof, pressure sensor is connected with wireless alarm through microprocessor, and wireless alarm carries out wireless communication through built-in wireless transceiver module and backstage terminal.
Further, in the gas leakage detection device for the natural gas conveying pipeline, the valve is an electric control valve and is electrically connected with the microprocessor.
Further, in the gas leakage detection device for the natural gas conveying pipeline, the inner end of the sealing semi-ring body abuts against a flange of the conveying pipeline where the sealing semi-ring body is located.
Further, in the gas leakage detection device for the natural gas conveying pipeline, the axial length of the sealing semi-ring body is 1-2cm, and the axial length of the sealing ring installation groove is 0.5-0.8 cm.
Furthermore, in the gas leakage detection device for the natural gas conveying pipeline, a photovoltaic power generation assembly for providing power for each electronic element is fixed on the outer wall of the detection chamber.
Further, in the above-mentioned natural gas transportation pipeline gas leakage detection device, the top plate and the coil spring are both made of plastic materials.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, set up the rain-proof sealed cowling of taking the detection room through the outside at the connecting tube, inside atmospheric pressure increases when gas leakage appears in the junction, the roof moves up under the atmospheric pressure effect and makes the pressure sensor of top sense the extrusion force, pressure sensor sends gas leakage signal thereupon and gives microprocessor, microprocessor rethread wireless alarm reports to the police to the back end terminal, reduce pressure sensor's quantity by a wide margin through this kind of mode, reduce the detection cost, pressure sensor is external overall arrangement for the pipeline simultaneously, the maintenance in the later stage of being convenient for.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic side view of the rain-proof enclosure of the present invention without a detection chamber;
FIG. 3 is a connection block diagram of the pressure sensor, the microprocessor and the wireless alarm of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first conveying pipeline, 2-a second conveying pipeline, 3-a connecting pipeline, 4-a valve, 5-a rainproof sealing cover, 501-a half cover body, 502-a semicircular bayonet, 6-a shaft seal, 7-a sealing half ring body, 8-a sealing ring, 9-a detection chamber, 10-a top plate, 11-a spiral spring, 12-a pressure sensor, 13-a microprocessor, 14-a wireless alarm and 15-a photovoltaic power generation assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment is a gas leakage detecting device for a natural gas transportation pipeline, including a first transportation pipeline 1, a second transportation pipeline 2 and a connection pipeline 3, wherein two ends of the connection pipeline 3 are respectively connected to the first transportation pipeline 1 and the second transportation pipeline 2 in a sealing manner through flanges. A valve 4 is arranged in the connecting pipeline 3, and a rainproof sealing cover 5 is arranged on the outer side of the connecting pipeline 3. The rain-proof sealing cover 5 is of an up-down split structure and is formed by two half cover bodies 501 which are fixed by bolts after being butted, and semicircular bayonets 502 matched with the outer walls of the first conveying pipeline 1 or the second conveying pipeline 2 are formed in side plates of the two half cover bodies 501. The two half cover bodies 501 are fixed with a sealing half ring body 7 at the inner side of the semicircular bayonet 502, the inner side of the sealing half ring body 7 is provided with a semicircular sealing ring mounting groove, and a sealing ring 8 is arranged in the sealing ring mounting groove. The half cover body 501 positioned above is provided with a through hole for the valve rod of the valve 4 to pass through, and the shaft seal 6 is arranged at the through hole. This half cover body 501 is equipped with outside outstanding detection room 9 simultaneously, has seted up the activity groove in the detection room 9, and the external diameter of activity groove is greater than the diameter of minimum end opening, and the restriction of sliding has roof 10 in the activity groove. A coil spring 11 is placed above the top plate 10 of the detection chamber 9, and a pressure sensor 12 fixed to the top wall of the detection chamber 9 is arranged inside the coil spring 11. The pressure sensor 12 is connected with a wireless alarm 14 through a microprocessor 13, and the wireless alarm 14 is in wireless communication with the background terminal through a built-in wireless transceiver module.
In this embodiment, the valve 4 is an electric control valve and is electrically connected to the microprocessor 13.
In this embodiment, the inner end of the sealing semi-ring body 7 abuts against the flange of the conveying pipeline. The axial length of the sealing semi-ring body 7 is 1-2cm, and the axial length of the sealing ring mounting groove is 0.5-0.8 cm.
In this embodiment, a photovoltaic power generation module 15 for supplying power to each electronic component is fixed to an outer wall of the detection chamber 9. The photovoltaic power generation assembly mainly comprises three parts, namely a battery panel, a controller and an inverter, and a storage battery is further fixed on the outer wall of the detection chamber 9 and used for storing electric energy.
In this embodiment, the top plate 10 and the coil spring 11 are made of plastic material.
One specific application of this embodiment is: this embodiment structural design is reasonable, through the rain-proof sealed cowling 5 of taking detection room 9 in the outside setting at connecting tube 2, inside atmospheric pressure increases when gas leakage appears in the junction, roof 10 moves up under the atmospheric pressure effect and makes the pressure sensor 12 of top sense the extrusion force, pressure sensor 12 sends gas leakage signal thereupon and gives microprocessor 13, microprocessor 13 rethread wireless alarm 14 reports to the police to the back platform terminal, reduce pressure sensor 12's quantity by a wide margin through this kind of mode, reduce the detection cost, pressure sensor 12 is external overall arrangement for the pipeline simultaneously, be convenient for the maintenance in later stage.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a natural gas conveying pipeline gas leakage detection device, includes first pipeline, second pipeline and connecting tube, its characterized in that: the two ends of the connecting pipeline are respectively in sealing connection with a first conveying pipeline and a second conveying pipeline through flanges, a valve is installed in the connecting pipeline, a rainproof sealing cover is arranged on the outer side of the connecting pipeline, the rainproof sealing cover is of an upper-lower split structure and is formed by fixing two half cover bodies through bolts after being butted, semicircular bayonets matched with the outer wall of the first conveying pipeline or the outer wall of the second conveying pipeline are formed in side plates of the two half cover bodies, sealing half ring bodies are fixed on the inner sides, located on the semicircular bayonets, of the two half cover bodies, sealing ring installation grooves in a semicircular shape are formed in the inner sides of the sealing half ring bodies, and sealing rings are installed in the sealing ring installation grooves; the valve rod of being convenient for is seted up in the half cover body that is located the top and is perforated, and perforation department installs the bearing seal, and this half cover body is equipped with the detection room of outside salient simultaneously, the movable groove has been seted up in the detection room, the restriction that slides in the movable groove has the roof, the top that the detection room is located the roof has placed coil spring, coil spring's inside is equipped with and detects some pressure sensor of room roof, pressure sensor is connected with wireless alarm through microprocessor, and wireless alarm carries out wireless communication through built-in wireless transceiver module and backstage terminal.
2. The natural gas transmission pipeline gas leakage detection device according to claim 1, characterized in that: the valve is an electric control valve and is electrically connected with the microprocessor.
3. The natural gas transmission pipeline gas leakage detection device according to claim 1, characterized in that: the inner end of the sealing semi-ring body is abutted against a flange of the conveying pipeline.
4. The natural gas transmission pipeline gas leakage detection device according to claim 1, characterized in that: the axial length of the sealing semi-ring body is 1-2cm, and the axial length of the sealing ring mounting groove is 0.5-0.8 cm.
5. The natural gas transmission pipeline gas leakage detection device according to claim 1, characterized in that: and a photovoltaic power generation assembly for providing power for each electronic element is fixed on the outer wall of the detection chamber.
6. The natural gas transmission pipeline gas leakage detection device according to claim 1, characterized in that: the top plate and the spiral spring are both made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757335.2U CN211146111U (en) | 2019-10-19 | 2019-10-19 | Natural gas transmission pipeline gas leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757335.2U CN211146111U (en) | 2019-10-19 | 2019-10-19 | Natural gas transmission pipeline gas leakage detection device |
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| Publication Number | Publication Date |
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| CN211146111U true CN211146111U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921757335.2U Expired - Fee Related CN211146111U (en) | 2019-10-19 | 2019-10-19 | Natural gas transmission pipeline gas leakage detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013174A (en) * | 2020-08-25 | 2020-12-01 | 珠海市广华燃气消防工程有限公司 | Natural gas pipeline plugging device |
| CN112344208A (en) * | 2020-10-31 | 2021-02-09 | 绿城农科检测技术有限公司 | Dedicated incessant hydrogen supply device in succession in laboratory |
| CN112880944A (en) * | 2021-02-21 | 2021-06-01 | 李海华 | Be used for gas transmission pipeline to pull formula and exempt from to tear open gas leakage detection device |
| CN113958881A (en) * | 2021-10-25 | 2022-01-21 | 南京惟真智能管网科技研究院有限公司 | Natural gas pipeline safety evaluation method, system and method |
-
2019
- 2019-10-19 CN CN201921757335.2U patent/CN211146111U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013174A (en) * | 2020-08-25 | 2020-12-01 | 珠海市广华燃气消防工程有限公司 | Natural gas pipeline plugging device |
| CN112013174B (en) * | 2020-08-25 | 2022-02-11 | 珠海市广华燃气消防工程有限公司 | Natural gas pipeline plugging device |
| CN112344208A (en) * | 2020-10-31 | 2021-02-09 | 绿城农科检测技术有限公司 | Dedicated incessant hydrogen supply device in succession in laboratory |
| CN112880944A (en) * | 2021-02-21 | 2021-06-01 | 李海华 | Be used for gas transmission pipeline to pull formula and exempt from to tear open gas leakage detection device |
| CN112880944B (en) * | 2021-02-21 | 2023-05-19 | 云南一鑫能源集团有限公司 | Dragging type disassembly-free air leakage detection device for air transmission pipeline |
| CN113958881A (en) * | 2021-10-25 | 2022-01-21 | 南京惟真智能管网科技研究院有限公司 | Natural gas pipeline safety evaluation method, system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 Termination date: 20201019 |