CN211738662U - Leakage alarm device of natural gas pipeline - Google Patents
Leakage alarm device of natural gas pipeline Download PDFInfo
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- CN211738662U CN211738662U CN202020221454.2U CN202020221454U CN211738662U CN 211738662 U CN211738662 U CN 211738662U CN 202020221454 U CN202020221454 U CN 202020221454U CN 211738662 U CN211738662 U CN 211738662U
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- natural gas
- connecting sleeve
- sleeve
- alarm device
- leakage alarm
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Abstract
The utility model relates to a natural gas line technical field just discloses a natural gas line's leakage alarm device, including last adapter sleeve, it is provided with down the adapter sleeve to go up the adapter sleeve bottom, it is provided with two natural gas pipes, two to go up the adapter sleeve and the inside one side that lower adapter sleeve is close to each other one side natural gas pipe is close to each other all is provided with flange, both sides are provided with the bolt about the flange. The utility model discloses an put the device in the flange department that needs detected, when natural gas pipeline leaked, the pressure that its produced got into balloon department from the air inlet and made the balloon expand to make the balloon extrude pressure sensor, pressure sensor can control bee calling organ and alarm lamp operation, sends out the police dispatch newspaper, thereby reminds relevant personnel to maintain, prevents that the natural gas from contacting the burning can take place for the burning source of a fire, causes the influence to people's life safety, has guaranteed resident's safety.
Description
Technical Field
The utility model relates to a natural gas line technical field specifically is a natural gas line's leakage alarm device.
Background
The pipeline transportation has the advantages of low cost, large transportation amount, stable transportation, high automation degree, capability of continuously transporting in a severe environment and the like, and is particularly suitable for long-distance transportation of flammable and explosive fluids such as petroleum and natural gas. In recent years, the demand of various countries in the world for energy is greatly increased, the construction of gas pipelines enters a rapid development stage, the automation level is rapidly improved, wherein the total mileage of the construction of gas pipelines in China exceeds 8 ten thousand kilometers, and when the pipelines are connected, flange connection is adopted, and due to the fact that the service life is long, a flange gasket is easy to age, and leakage occurs at the flange connection position. Once the pipeline leaks, not only can direct economic loss and environmental pollution caused by fluid loss be brought, but also explosion and fire disasters can be caused under severe conditions, and even casualties can be caused.
Natural gas is inflammable and explosive, and when leakage occurs, if the natural gas contacts a fire source, combustion can occur, and under the condition that control treatment is not timely, fire disasters can occur, and even explosion can occur seriously. Natural gas leakage directly threatens the life safety of residents, so that the leakage detection of the natural gas leakage has practical significance, and the leakage alarm device for the natural gas pipeline is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas line's leakage alarm device reaches the purpose of detecting the warning to natural gas line.
In order to achieve the above object, the utility model provides a following technical scheme: a leakage alarm device of a natural gas pipeline comprises an upper connecting sleeve, wherein a lower connecting sleeve is arranged at the bottom of the upper connecting sleeve, two natural gas pipes are arranged inside one side of the upper connecting sleeve and the lower connecting sleeve, which is close to each other, a connecting flange is arranged on one side of the two natural gas pipes, bolts are arranged on the upper side and the lower side of the connecting flange, the two bolts respectively penetrate through the connecting flange and extend to the outer side of the connecting flange, thread sleeves are arranged on the outer sides of the two bolts, a connecting box is fixedly connected to the top of the upper connecting sleeve, an air inlet is arranged at the bottom of the connecting box, a balloon is arranged on the outer side of the air inlet, fixing rods are arranged on the left side and the right side inside of the connecting box, the upper ends and the lower ends of the two fixing rods are respectively, two the dead lever is equallyd divide and is do not run through the movable plate, movable plate bottom axis department is provided with pressure sensor, two the dead lever outside all is provided with the spring, two the spring bottom is equallyd divide respectively with movable plate top contact, two the spring top is equallyd divide respectively with the connecting box contact, two one side that the dead lever was kept away from each other all is provided with the stopper, two the stopper is equallyd divide respectively with connecting box fixed connection, two the stopper top is equallyd divide respectively with movable plate bottom contact.
Preferably, the upper connecting sleeve and the lower connecting sleeve are both arranged in a semicircular shape with a hollow interior, and the upper connecting sleeve and the lower connecting sleeve are equal in size and shape.
Preferably, the right sides of the upper connecting sleeve and the lower connecting sleeve are provided with rotating shafts, and the upper connecting sleeve is rotatably connected with the lower connecting sleeve through the rotating shafts.
Preferably, both ends all are provided with semicircle type through-hole about upper connecting sleeve and the lower connecting sleeve, the diameter of through-hole equals with natural gas pipe's diameter.
Preferably, the natural gas pipe is provided with a sealing sleeve at the contact part of the upper connecting sleeve and the lower connecting sleeve respectively.
Preferably, the interior of the connecting box is hollow.
Preferably, the top of the connecting box is provided with a buzzer and an alarm lamp.
Preferably, the pressure sensor is respectively electrically connected with the buzzer and the alarm lamp.
The utility model provides a natural gas line's leakage alarm device. The method has the following beneficial effects:
(1) the utility model discloses a put the device in the flange department that needs detected, when natural gas pipeline leaked, the pressure that its produced got into balloon department from the air inlet and made the balloon expand to make the balloon extrude pressure sensor, pressure sensor can control bee calling organ and alarm lamp operation, sends out the police dispatch newspaper, thereby reminds relevant personnel to maintain, prevents that the natural gas from contacting the burning can take place for the burning source of a fire, causes the influence to people's life safety, has guaranteed resident's safety.
(2) The utility model discloses a set up the seal cover, guarantee that the natural gas can not follow other gaps and waft out to the accuracy that makes the detection is higher, can not take place not to detect out the condition emergence that the natural gas leaked, through setting up bee calling organ and alarm lamp, when detecting out the natural gas line and leak, can make the staff in time learn the pipeline leakage position fast, be favorable to salvageing going on of work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is an enlarged schematic view of the present invention a.
In the figure: the device comprises an upper connecting sleeve 1, a lower connecting sleeve 2, a rotating shaft 3, a natural gas pipe 4, a connecting flange 5, bolts 6, a threaded sleeve 7, a sealing sleeve 8, a connecting box 9, an air inlet 10, a balloon 11, a fixed rod 12, a movable plate 13, a limiting block 14, a spring 15, a pressure sensor 16, a buzzer 17 and an alarm lamp 18.
Detailed Description
As shown in fig. 1-3, the utility model provides a technical solution: a leakage alarm device of a natural gas pipeline comprises an upper connecting sleeve 1, wherein a lower connecting sleeve 2 is arranged at the bottom of the upper connecting sleeve 1, the upper connecting sleeve 1 and the lower connecting sleeve 2 are fixed through clamping when closed, the upper connecting sleeve 1 and the lower connecting sleeve 2 are both in a semicircular arrangement with hollow interiors, the semicircular arrangement can be adapted to a natural gas pipe 4 to seal the natural gas pipe 4, the upper connecting sleeve 1 and the lower connecting sleeve 2 are equal in size and shape, a rotating shaft 3 is arranged on the right sides of the upper connecting sleeve 1 and the lower connecting sleeve 2, the upper connecting sleeve 1 is rotatably connected with the lower connecting sleeve 2 through the rotating shaft 3, two natural gas pipes 4 are arranged in one side of the upper connecting sleeve 1 and the lower connecting sleeve 2, seal sleeves 8 are arranged on the parts of the natural gas pipes 4, which are respectively contacted with the upper connecting sleeve 1 and the lower connecting sleeve, thereby the detection accuracy is higher, the condition that natural gas leakage is not detected can not occur, the left and right ends of the upper connecting sleeve 1 and the lower connecting sleeve 2 are provided with semicircular through holes, the diameter of the through holes is equal to that of the natural gas pipes 4, one side of the two natural gas pipes 4 close to each other is provided with a connecting flange 5, the upper and lower sides of the connecting flange 5 are provided with bolts 6, the two bolts 6 respectively penetrate through the connecting flange 5 and extend to the outer side of the connecting flange 5, the outer sides of the two bolts 6 are respectively provided with a thread bush 7, the top of the upper connecting sleeve 1 is fixedly connected with a connecting box 9, the inside of the connecting box 9 is hollow, the top of the connecting box 9 is provided with a buzzer 17 and an alarm lamp 18, a pressure sensor 16 is respectively and electrically connected with the buzzer 17 and the alarm lamp 18, when natural gas pipeline leakage is detected, a worker can quickly know the leakage direction of the, the device is beneficial to emergency repair work, an air inlet 10 is formed in the bottom of a connecting box 9, a balloon 11 is arranged on the outer side of the air inlet 10, fixed rods 12 are arranged on the left side and the right side inside the connecting box 9, the upper ends and the lower ends of the two fixed rods 12 are fixedly connected with the inside of the connecting box 9 respectively, a movable plate 13 is arranged inside the connecting box 9, the movable plate 13 is perpendicular to the two fixed rods 12, the two fixed rods 12 penetrate through the movable plate 13 respectively, a pressure sensor 16 is arranged at the center shaft at the bottom of the movable plate 13, when a natural gas pipeline leaks, pressure generated by the device enters the balloon 11 from the air inlet 10 to expand the balloon 11, so that the balloon 11 is extruded to the pressure sensor 16, the pressure sensor 16 can control a buzzer 17 and an alarm lamp 18 to run to give an alarm, so that related personnel can be reminded of maintenance, and, the life safety to people causes the influence, has guaranteed resident's safety, and two dead lever 12 outsides all are provided with spring 15, and two spring 15 bottoms are equallyd divide do not contact with movable plate 13 top, and two spring 15 tops are equallyd divide do not contact with connecting box 9, and one side that two dead lever 12 kept away from each other all is provided with stopper 14, and two stoppers 14 are equallyd divide do not contact with connecting box 9 fixed connection, and two stopper 14 tops are equallyd divide do not contact with movable plate 13 bottom.
When the device is used, the upper connecting sleeve 1 and the lower connecting sleeve 2 are opened and placed at the connecting flange 5, then the upper connecting sleeve 1 and the lower connecting sleeve 2 are closed, after the device is fixed and aligned, and after a certain time of waiting, if a natural gas pipeline leaks, the generated pressure enters the balloon 11 from the gas inlet 10 to expand the balloon 11, the balloon 11 is expanded and then presses the pressure sensor 16, and the pressure sensor 16 controls the buzzer 17 and the alarm lamp 18 to work, so that an alarm is generated, and related personnel are informed to carry out investigation and maintenance.
To sum up, the utility model can be put at the connecting flange to be detected, when the natural gas pipeline leaks, the pressure generated by the device enters the balloon 11 from the air inlet 10 to expand the balloon 11, so that the balloon 11 is extruded to the pressure sensor 16, the pressure sensor 16 can control the buzzer 17 and the alarm lamp 18 to operate and send out an alarm, thereby reminding relevant personnel to maintain, preventing the natural gas from burning when contacting with a fire source, affecting the life safety of people, ensuring the safety of residents, and ensuring that the natural gas cannot flow out from other gaps by arranging the sealing sleeve 8, thereby ensuring higher detection accuracy and avoiding the situation that the natural gas leakage is not detected, and by arranging the buzzer 17 and the alarm lamp 18, when the natural gas pipeline leakage is detected, the working personnel can quickly know the pipeline leakage direction in time, is beneficial to the emergency repair work.
Claims (8)
1. The utility model provides a natural gas line's leakage alarm device, includes adapter sleeve (1), its characterized in that: the bottom of the upper connecting sleeve (1) is provided with a lower connecting sleeve (2), two natural gas pipes (4) are arranged inside one side of the upper connecting sleeve (1) close to the lower connecting sleeve (2), one side of the two natural gas pipes (4) close to each other is provided with a connecting flange (5), bolts (6) are arranged on the upper side and the lower side of the connecting flange (5), the two bolts (6) respectively penetrate through the connecting flange (5) and extend to the outer side of the connecting flange (5), the outer sides of the two bolts (6) are respectively provided with a thread sleeve (7), the top of the upper connecting sleeve (1) is fixedly connected with a connecting box (9), the bottom of the connecting box (9) is provided with an air inlet (10), the outer side of the air inlet (10) is provided with a balloon (11), and the left side and the right side inside the connecting, the upper and lower ends of the two fixed rods (12) are respectively fixedly connected with the inside of the connecting box (9), a movable plate (13) is arranged in the connecting box (9), the movable plate (13) is perpendicular to the two fixed rods (12), the two fixed rods (12) respectively penetrate through the movable plate (13), moving plate (13) bottom axis department is provided with pressure sensor (16), two dead lever (12) outside all is provided with spring (15), two spring (15) bottom is equallyd divide and is do not contacted with moving plate (13) top, two spring (15) top is equallyd divide and is do not contacted with connecting box (9), two one side that dead lever (12) kept away from each other all is provided with stopper (14), two stopper (14) are equallyd divide and do not contact with connecting box (9) fixed connection, two stopper (14) top is equallyd divide and is do not contacted with moving plate (13) bottom.
2. The leakage alarm device for a natural gas pipeline according to claim 1, wherein: the upper connecting sleeve (1) and the lower connecting sleeve (2) are both arranged in a hollow semicircular mode, and the upper connecting sleeve (1) and the lower connecting sleeve (2) are equal in size and shape.
3. The leakage alarm device for a natural gas pipeline according to claim 1, wherein: the upper connecting sleeve (1) and the lower connecting sleeve (2) are provided with a rotating shaft (3) on the right sides, and the upper connecting sleeve (1) is rotatably connected with the lower connecting sleeve (2) through the rotating shaft (3).
4. The leakage alarm device for a natural gas pipeline according to claim 1, wherein: both ends all are provided with semicircle type through-hole about last adapter sleeve (1) and lower adapter sleeve (2), the diameter of through-hole equals with the diameter of natural gas pipe (4).
5. The leakage alarm device for a natural gas pipeline according to claim 1, wherein: the natural gas pipe (4) is respectively provided with a sealing sleeve (8) at the contact part of the upper connecting sleeve (1) and the lower connecting sleeve (2).
6. The leakage alarm device for a natural gas pipeline according to claim 1, wherein: the interior of the connecting box (9) is hollow.
7. The leakage alarm device for a natural gas pipeline according to claim 1, wherein: the top of the connecting box (9) is provided with a buzzer (17) and an alarm lamp (18).
8. The natural gas pipeline leakage alarm device according to claim 7, wherein: the pressure sensor (16) is respectively and electrically connected with the buzzer (17) and the alarm lamp (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020221454.2U CN211738662U (en) | 2020-02-27 | 2020-02-27 | Leakage alarm device of natural gas pipeline |
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CN202020221454.2U CN211738662U (en) | 2020-02-27 | 2020-02-27 | Leakage alarm device of natural gas pipeline |
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CN202020221454.2U Expired - Fee Related CN211738662U (en) | 2020-02-27 | 2020-02-27 | Leakage alarm device of natural gas pipeline |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112942496A (en) * | 2021-01-25 | 2021-06-11 | 陈龙 | Fluid leakage self-alarming type fluid conveying pipeline for building construction |
CN114307709A (en) * | 2022-01-18 | 2022-04-12 | 乌海凯洁燃气有限责任公司 | Natural gas hydrogen-mixing gas mixing device |
CN115180712A (en) * | 2022-07-06 | 2022-10-14 | 无锡海拓环保装备科技有限公司 | Self-adaptive precise aeration fluidizing device |
-
2020
- 2020-02-27 CN CN202020221454.2U patent/CN211738662U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112942496A (en) * | 2021-01-25 | 2021-06-11 | 陈龙 | Fluid leakage self-alarming type fluid conveying pipeline for building construction |
CN112942496B (en) * | 2021-01-25 | 2023-09-22 | 重庆电讯职业学院 | Fluid leakage self-alarming type fluid conveying pipeline for building construction |
CN114307709A (en) * | 2022-01-18 | 2022-04-12 | 乌海凯洁燃气有限责任公司 | Natural gas hydrogen-mixing gas mixing device |
CN114307709B (en) * | 2022-01-18 | 2024-01-23 | 乌海凯洁燃气有限责任公司 | Natural gas hydrogen-mixing gas device |
CN115180712A (en) * | 2022-07-06 | 2022-10-14 | 无锡海拓环保装备科技有限公司 | Self-adaptive precise aeration fluidizing device |
CN115180712B (en) * | 2022-07-06 | 2023-10-17 | 无锡海拓环保装备科技有限公司 | Self-adaptive precise aeration fluidization device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
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CF01 | Termination of patent right due to non-payment of annual fee |