CN219809802U - Natural gas pipeline leakage detection device - Google Patents
Natural gas pipeline leakage detection device Download PDFInfo
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- CN219809802U CN219809802U CN202321442358.0U CN202321442358U CN219809802U CN 219809802 U CN219809802 U CN 219809802U CN 202321442358 U CN202321442358 U CN 202321442358U CN 219809802 U CN219809802 U CN 219809802U
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- clamping block
- natural gas
- air bag
- sealing
- sealing air
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000003345 natural gas Substances 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a natural gas pipeline leakage detection device, which relates to the technical field of natural gas pipelines and comprises a clamping assembly, a sealing assembly and a detection alarm controller; the clamping assembly comprises an upper clamping block, a fastening structure, a lower clamping block and a rotating shaft; the sealing assembly comprises a side sealing air bag and a clamping block sealing air bag; the detection alarm controller comprises a singlechip, a natural gas sensor, a sealing control module and a digital-to-analog conversion module; the detection alarm controller is arranged in the middle of the upper clamping block. The sealing air bag is suitable for natural gas pipelines with different surface conditions, can monitor the sealing state by being matched with the air pressure sensor, can improve the sealing performance of a sealed space, and improves the detection accuracy of natural gas leakage. And through setting up quick detach fastener, cooperation sealed gasbag can realize the quick installation and the dismantlement to the device, has improved the detection efficiency to natural gas pipeline.
Description
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline leakage detection device.
Background
The natural gas is a green, environment-friendly, economical, safe and reliable high-quality energy source, almost does not contain sulfur, dust and other harmful substances, generates less carbon dioxide than other fossil fuels during combustion, has lower greenhouse effect, has equivalent price compared with artificial gas, has clean and clean natural gas, can prolong the service life of a kitchen range, is beneficial to reducing the expenditure of maintenance cost, is popular among people, and is a fuel commonly used for cooking by residents.
When natural gas transport pipelines are used, once leakage occurs, the pipelines are prone to causing disastrous hazards. In the prior art, a regular inspection method is generally adopted to inspect the natural gas pipeline, so that the natural gas pipeline has great limitation, is easy to diverge after leakage because the natural gas is lighter than air, and is easy to cause inaccurate detection under the influence of external wind direction and the like, and particularly, when the pipeline with large pipeline is detected. In the prior art, a detection device for conveniently detecting leakage of a natural gas pipeline is lacking, and timely early warning and accurate positioning treatment cannot be performed on the position of the leakage position of the natural gas pipeline, so that the actual workload of an maintainer is increased due to the uncertainty of the surface state of the natural gas pipeline.
Disclosure of Invention
The utility model provides a leakage detection device convenient for detecting and identifying the leakage points of a natural gas pipeline, aiming at solving the technical problems of inaccurate detection and inconvenience of the leakage points of the natural gas pipeline in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a natural gas pipeline leak detection device, characterized in that: the device comprises a clamping assembly, a sealing assembly and a detection alarm controller;
the clamping assembly comprises an upper clamping block, a fastening structure, a lower clamping block and a rotating shaft; the upper clamping block and the lower clamping block are connected through a rotating shaft, and rotate around the rotating shaft; the fastening structures are respectively arranged at one side of the upper clamping block and the lower clamping block, which is far away from the rotating shaft;
the sealing assembly comprises a side sealing air bag and a clamping block sealing air bag; the side sealing air bags are respectively arranged at the inner sides of the upper clamping block and the lower clamping block and are of semicircular air bag structures which are tightly attached to the inner sides of the upper clamping block and the lower clamping block; the clamping block sealing air bags are respectively arranged on the inner sides of the upper clamping block and the lower clamping block, which are close to the rotating shaft and the fastening structure, and are strip-shaped air bag mechanisms which are tightly attached to the inner sides of the upper clamping block and the lower clamping block; the side sealing air bags and the clamping block sealing air bags are connected with the detection alarm controller through gas pipelines; the detection alarm controller is arranged in the middle of the upper clamping block.
The detection alarm controller comprises a singlechip, a natural gas sensor, a sealing control module and a digital-to-analog conversion module.
The fastening structure is a quick-release fastener.
The sealing control module comprises an air pressure sensor, a control valve and an inflator pump; the air pressure sensor is arranged in the side sealing air bag and the clamping block sealing air bag and is used for detecting sealing air pressure; the inflator pump is connected with the side sealing air bag and the clamping block sealing air bag through an air pipeline and is used for inflating the side sealing air bag and the clamping block sealing air bag; a control valve is disposed on the gas line for controlling the inflation process and the deflation process.
The detection alarm controller comprises a wireless communication module and a key module.
The detection alarm controller comprises a power supply unit, wherein the power supply unit supplies power to the natural gas sensor, the singlechip, the air pressure sensor, the wireless communication module, the key module, the control valve and the inflation module.
The singlechip adopts a chip with the model of STC89C52 RC; the natural gas sensor adopts a gas sensor with the model number of MQ-7; the analog-to-digital converter employs a chip model number ADC 0808.
The natural gas sensor faces the sealed space between the upper clamping block and the lower clamping block.
The wireless communication module adopts a 3G/4G communication module, a WIFI communication module or a Bluetooth communication module
The beneficial effects are that: the natural gas pipeline leakage detection device can be suitable for natural gas pipelines with different surface conditions, can monitor the sealing state by matching the arrangement of the sealing air bags with the air pressure sensor, can improve the tightness of a closed space, and improves the detection accuracy of natural gas leakage. And through setting up quick detach fastener, cooperation sealed gasbag can realize the quick installation and the dismantlement to the device, has improved the detection efficiency to natural gas pipeline.
Drawings
FIG. 1 is a schematic diagram of a natural gas pipeline leak detection apparatus according to the present utility model;
FIG. 2 is a schematic diagram of a detection alarm controller of a natural gas pipeline leakage detection device according to the present utility model;
fig. 3 is a schematic circuit diagram of a natural gas detection alarm controller.
Reference numerals:
1. detecting an alarm controller;
2. an upper clamping block;
3. a side sealing airbag;
4. a fastening structure;
5. the clamping block seals the air bag;
6. a lower clamping block;
7. a rotating shaft;
8. a single chip microcomputer;
9. a natural gas sensor;
10. a digital-to-analog converter;
11. a seal control module;
12. an air pressure sensor;
13. a control valve;
14. an inflator pump;
15. a wireless communication module;
16. a key module;
17. a power supply unit;
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the above description, descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
A natural gas pipeline leak detection apparatus as shown in figures 1-3, wherein: the device comprises a clamping assembly, a sealing assembly and a detection alarm controller;
the clamping assembly comprises an upper clamping block, a fastening structure, a lower clamping block and a rotating shaft; the upper clamping block and the lower clamping block are connected through a rotating shaft, and rotate around the rotating shaft; the fastening structures are respectively arranged at one side of the upper clamping block and the lower clamping block, which is far away from the rotating shaft; the upper clamping block and the lower clamping block rotate around the rotating shaft, the natural gas pipeline to be detected is wrapped between the upper clamping block and the lower clamping block, and the upper clamping block and the lower clamping block are fastened through the fastening mechanism, so that the whole device wraps the natural gas pipeline to be detected.
The sealing assembly comprises a side sealing air bag and a clamping block sealing air bag; the side sealing air bags are respectively arranged at the inner sides of the upper clamping block and the lower clamping block and are of semicircular air bag structures which are tightly attached to the inner sides of the upper clamping block and the lower clamping block; the clamping block sealing air bags are respectively arranged on the inner sides of the upper clamping block and the lower clamping block, which are close to the rotating shaft and the fastening structure, and are strip-shaped air bag mechanisms which are tightly attached to the inner sides of the upper clamping block and the lower clamping block; the side sealing air bags and the clamping block sealing air bags are connected with the detection alarm controller through gas pipelines;
the detection alarm controller comprises a singlechip, a natural gas sensor, a sealing control module and a digital-to-analog conversion module.
The fastening structure is a quick-release fastener.
The sealing control module comprises an air pressure sensor, a control valve and an inflator pump; the air pressure sensor is arranged in the side sealing air bag and the clamping block sealing air bag and is used for detecting sealing air pressure; the inflator pump is connected with the side sealing air bag and the clamping block sealing air bag through an air pipeline and is used for inflating the side sealing air bag and the clamping block sealing air bag; a control valve is disposed on the gas line for controlling the inflation process and the deflation process. The side sealing air bags and the clamping block sealing air bags are inflated by controlling the inflator pump through the detection alarm controller, so that the side sealing air bags are tightly attached to the pipeline to be detected, and the natural gas pipeline to be detected is sealed. Simultaneously, the tight gasbag of clamp block seal is inflated and is made the tight gasbag of clamp block seal that adjacent clamp block and lower clamp block inboard set up each other paste tightly and seal, forms sealed space between last clamp block and lower clamp block and natural gas pipeline, and detects alarm controller setting in the middle part of last clamp block to the natural gas sensor face is tight space between clamp block and the lower clamp block.
The detection alarm controller comprises a wireless communication module and a key module.
The detection alarm controller comprises a power supply unit, wherein the power supply unit supplies power to the natural gas sensor, the singlechip, the air pressure sensor, the wireless communication module, the key module, the control valve and the inflation module.
The natural gas sensor, the air pressure sensor, the wireless communication module, the key module, the control valve, the inflation module and the analog-to-digital converter are all connected with the singlechip;
the natural gas sensor is connected with the singlechip through the analog-to-digital converter; and the singlechip is communicated with an external intelligent terminal or a monitoring server through the wireless communication module. The wireless communication module adopts a 3G/4G communication module, a WIFI communication module or a Bluetooth communication module. The singlechip adopts a chip with the model of STC89C52 RC. The natural gas sensor adopts a gas sensor with the model number of MQ-7. The analog-to-digital converter adopts a chip with the model number of ADC0808, the output end of the gas sensor with the model number of MQ-7 is connected with the input pin of the chip with the model number of ADC0808, and the output pin of the chip with the model number of ADC0808 is connected with the input pin of the chip with the model number of STC89C52 RC.
The specific using process comprises the following steps:
the upper clamping block and the lower clamping block are opened, the upper clamping block and the lower clamping block rotate around the rotating shaft, the natural gas pipeline to be detected is wrapped between the upper clamping block and the lower clamping block, the upper clamping block and the lower clamping block are fastened through the quick-release fasteners, and the whole device wraps the natural gas pipeline to be detected. The side sealing air bags and the clamping block sealing air bags are inflated by controlling the inflator pump through the detection alarm controller, so that the side sealing air bags are tightly attached to the pipeline to be detected, and the natural gas pipeline to be detected is sealed. Simultaneously, the tight gasbag of clamp block seal is inflated and is made the tight gasbag of clamp block seal that adjacent clamp block and lower clamp block inboard set up each other paste tightly and seal, forms sealed space between last clamp block and lower clamp block and natural gas pipeline, and detects alarm controller setting in the middle part of last clamp block to the natural gas sensor face is tight space between clamp block and the lower clamp block. And the natural gas sensor facing the sealed space between the upper clamping block and the lower clamping block transmits the detected natural gas concentration to the singlechip through the digital-to-analog conversion module, and the singlechip controls the wireless communication module to send specific natural gas concentration data to the terminal equipment of the staff. In the process of forming the sealing channel, the switch of the inflator pump and the control valve is judged through the change of the air pressure sensor arranged on the inner side of the air bag, and the sealing condition can be judged through air pressure data of the air bag, so that effective sealing is realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. A natural gas pipeline leak detection device, characterized in that: the device comprises a clamping assembly, a sealing assembly and a detection alarm controller;
the clamping assembly comprises an upper clamping block, a fastening structure, a lower clamping block and a rotating shaft; the upper clamping block and the lower clamping block are connected through a rotating shaft, and rotate around the rotating shaft; the fastening structures are respectively arranged at one side of the upper clamping block and the lower clamping block, which is far away from the rotating shaft;
the sealing assembly comprises a side sealing air bag and a clamping block sealing air bag; the side sealing air bags are respectively arranged at the inner sides of the upper clamping block and the lower clamping block and are of semicircular air bag structures which are tightly attached to the inner sides of the upper clamping block and the lower clamping block; the clamping block sealing air bags are respectively arranged on the inner sides of the upper clamping block and the lower clamping block, which are close to the rotating shaft and the fastening structure, and are strip-shaped air bag mechanisms which are tightly attached to the inner sides of the upper clamping block and the lower clamping block; the side sealing air bags and the clamping block sealing air bags are connected with the detection alarm controller through gas pipelines;
the detection alarm controller comprises a singlechip, a natural gas sensor, a sealing control module and a digital-to-analog conversion module; the detection alarm controller is arranged in the middle of the upper clamping block.
2. A natural gas pipeline leakage detection apparatus as claimed in claim 1, wherein: the fastening structure is a quick-release fastener.
3. A natural gas pipeline leakage detection apparatus as claimed in claim 1, wherein: the sealing control module comprises an air pressure sensor, a control valve and an inflator pump; the air pressure sensor is arranged in the side sealing air bag and the clamping block sealing air bag and is used for detecting sealing air pressure; the inflator pump is connected with the side sealing air bag and the clamping block sealing air bag through an air pipeline and is used for inflating the side sealing air bag and the clamping block sealing air bag; a control valve is disposed on the gas line for controlling the inflation process and the deflation process.
4. A natural gas pipeline leakage detection apparatus as claimed in claim 1, wherein: the detection alarm controller comprises a wireless communication module and a key module.
5. A natural gas pipeline leakage detection apparatus as claimed in claim 1, wherein: the detection alarm controller comprises a power supply unit, wherein the power supply unit supplies power to the natural gas sensor, the singlechip, the air pressure sensor, the wireless communication module, the key module, the control valve and the inflation module.
6. A natural gas pipeline leakage detection apparatus as claimed in claim 1, wherein: the natural gas sensor faces the sealed space between the upper clamping block and the lower clamping block.
7. The natural gas pipeline leakage detection device according to claim 4, wherein: the wireless communication module adopts a 3G/4G communication module, a WIFI communication module or a Bluetooth communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321442358.0U CN219809802U (en) | 2023-05-30 | 2023-05-30 | Natural gas pipeline leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321442358.0U CN219809802U (en) | 2023-05-30 | 2023-05-30 | Natural gas pipeline leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809802U true CN219809802U (en) | 2023-10-10 |
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ID=88214738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321442358.0U Active CN219809802U (en) | 2023-05-30 | 2023-05-30 | Natural gas pipeline leakage detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN219809802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739286A (en) * | 2024-02-19 | 2024-03-22 | 山东成越新能源科技有限公司 | Sealing detection processing device for boiler pipeline joint and application method thereof |
-
2023
- 2023-05-30 CN CN202321442358.0U patent/CN219809802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739286A (en) * | 2024-02-19 | 2024-03-22 | 山东成越新能源科技有限公司 | Sealing detection processing device for boiler pipeline joint and application method thereof |
| CN117739286B (en) * | 2024-02-19 | 2024-04-30 | 山东成越新能源科技有限公司 | Sealing detection processing device for boiler pipeline joint and application method thereof |
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