CN210372896U - Point type leakage alarm system - Google Patents
Point type leakage alarm system Download PDFInfo
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- CN210372896U CN210372896U CN201921046217.0U CN201921046217U CN210372896U CN 210372896 U CN210372896 U CN 210372896U CN 201921046217 U CN201921046217 U CN 201921046217U CN 210372896 U CN210372896 U CN 210372896U
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Abstract
The utility model discloses a point type leaks alarm system, including a plurality of sections protection pipeline, a plurality of sections pipeline and electrical control cabinet, every section pipeline both ends are equipped with the closing plate respectively, install a plurality of natural gas test probe in the protection pipeline, electrical control is equipped with display cabinet, PLC switch board and power cabinet on the cabinet, the power cabinet respectively with the display cabinet with the PLC switch board links to each other. The utility model discloses a set up the natural gas detection probe to different section pipelines, every natural gas detection probe is connected with the natural gas concentration display screen alone, connects in parallel the warning light simultaneously, on the one hand can pinpoint the leakage pipeline, can show the leakage concentration simultaneously; in addition, the detachable installation of two adjacent conveying pipelines also provides the possibility of self-maintenance.
Description
Technical Field
The utility model relates to an alarm system specifically is a point type leaks alarm system, belongs to natural gas equipment application.
Background
Carbon monoxide generated in large amount due to natural gas leakage is the source of coal gas poisoning, a natural gas leakage alarm can be adopted to give a timely warning, and the effective rate of the natural gas alarm for preventing carbon monoxide poisoning accidents reaches over 95 percent.
The existing alarm system can only give an alarm for natural gas leakage, cannot accurately judge specific leakage pipelines and leakage amount, and cannot implement self-repairing after natural gas leakage, but can only block natural gas circulation and influence normal use of natural gas.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a spot leak alarm system for solving the above problems.
The utility model realizes the above purpose by the following technical proposal, a point type leakage alarm system comprises a plurality of sections of protective pipelines, a plurality of sections of conveying pipelines and an electric control cabinet, two adjacent protective pipelines and two adjacent conveying pipelines are respectively connected in a spiral sealing way, two ends of each section of conveying pipeline are respectively provided with a sealing plate, the sealing plates are welded and fixed in the protective pipelines, a plurality of natural gas detection probes are arranged in the protective pipelines, the electric control cabinet is provided with a display cabinet, a PLC control cabinet and a power cabinet, the display cabinet is provided with a plurality of natural gas concentration display screens and a plurality of warning lamps, the PLC control cabinet is provided with a plurality of PLC controllers, the power cabinet is respectively connected with the display cabinet and the PLC control cabinet, the warning lamps are connected with the PLC controllers, each natural gas detection probe is connected with a single data line, the single data line is respectively connected with the natural gas concentration display screen and the PLC control cabinet in parallel.
Preferably, each natural gas detection probe is located between two sealing plates on the same conveying pipeline, the detection value of the natural gas detection probe is 500ppm, the protection pipeline and the conveying pipeline are both X80-grade seamless pipeline steel, and the length of each section of protection pipeline is 1.2 times that of each section of conveying pipeline.
Preferably, be equipped with conveyer pipe and delivery sleeve respectively along the natural gas flow direction in every section pipeline, the conveyer pipe includes stand pipe and first sleeve pipe, first sleeve pipe is fixed the stand pipe front end, delivery sleeve pipe includes stand pipe and second sleeve pipe, the second sleeve pipe is fixed the stand pipe front end, the stand pipe is sealed to be fixed in the pipeline, first sleeve pipe with the second sleeve pipe intercommunication.
Preferably, the guide pipe and the first sleeve are of an integrated structure, the guide pipe and the second sleeve are of an integrated structure, and the front end of the second sleeve extends out of the conveying pipeline.
Preferably, be equipped with hollow structure's fixed pin in the first sleeve, the fixed pin towards the one side of stand pipe is seal structure, and the another side is open structure, first sleeve face to the one side of stand pipe is open structure, and the another side is seal structure, the fixed pin surface is equipped with first through-hole, the second sleeve side is equipped with the second through-hole, be equipped with the spring post in the second sleeve, spring post front end is fixed with the sealing washer through linking the axle, the fixed pin cover is established in the second sleeve, link epaxial through-hole stopper that is equipped with, the through-hole stopper inlays in the second through-hole.
Preferably, a welding plate is fixed to the bottom of the spring column, a connecting rod is arranged on the side wall of the welding plate, the front end of the connecting rod is fixed to the inner wall of the second sleeve, the diameter of the spring column is smaller than that of the welding plate, the diameter of the welding plate is smaller than the inner diameter of the second sleeve, and the diameter of the connecting shaft is smaller than that of the spring column.
Preferably, a sealing ring limiting groove is formed in the inner wall of the second sleeve, the sealing ring is embedded in the sealing ring limiting groove, and the sealing ring is made of rubber materials.
Preferably, a protective sleeve is arranged outside the single data line.
The utility model has the advantages that: the utility model discloses a point type leakage alarm system, through setting up the natural gas detection probe to different section pipelines, each natural gas detection probe is connected with the natural gas concentration display screen alone, connect the warning light in parallel simultaneously, on the one hand can pinpoint the leakage pipeline, can reveal the leakage concentration at the same time; in addition, the detachable installation of two adjacent conveying pipelines also provides the possibility of self-maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic diagram of the internal structure of the conveying pipeline of the present invention.
Fig. 3 is the utility model discloses natural gas test probe and natural gas concentration display screen, PLC controller and warning light connection structure schematic diagram.
Fig. 4 is a schematic view of the first sleeve structure of the present invention.
Fig. 5 is a schematic view of a second sleeve structure according to the present invention.
Fig. 6 is a schematic view of the spring post structure of the present invention.
In the figure: 1. protective tube, 2, pipeline, 3, electrical control cabinet, 4, the closing plate, 5, natural gas test probe, 6, single data line, 7, the lag, 8, the display cabinet, 9, the natural gas concentration display screen, 10, the warning light, 11, the PLC switch board, 12, the PLC controller, 13, the power cabinet, 14, the conveyer pipe, 15, the conveying sleeve pipe, 16, the stand pipe, 17, first sleeve pipe, 18, the second sleeve pipe, 19, the second through-hole, 20, the spring post, 21, even axle, 22, the sealing washer, 23, the spacing groove of sealing washer, 24, the fixed pin, 25, first through-hole, 26, the welded plate, 27, the connecting rod.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner" and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, a point-type leakage alarm system includes a plurality of protective pipelines 1, a plurality of transmission pipelines 2, and an electrical control cabinet 3, wherein two adjacent protective pipelines 1 and two adjacent transmission pipelines 2 are respectively connected in a spiral sealing manner, two ends of each transmission pipeline 2 are respectively provided with a sealing plate 4, the sealing plates 4 are welded and fixed in the protective pipelines 1, a plurality of natural gas detection probes 5 are installed in the protective pipelines 1, the electrical control cabinet 3 is provided with a display cabinet 8, a PLC control cabinet 11 and a power cabinet 13, the display cabinet 8 is provided with a plurality of natural gas concentration display screens 9 and a plurality of warning lamps 10, the PLC control cabinet 11 is provided with a plurality of PLC controllers 12, the power cabinet 13 is respectively connected with the display cabinet 8 and the PLC control cabinet 11, the warning lamps 10 are connected with the PLC controllers 12, each natural gas detection probe 5 is connected with a single data line 6, the single data line 6 is respectively connected with the natural gas concentration display screen 9 and the PLC control cabinet 11 in parallel.
Each natural gas detection probe 5 is positioned between two sealing plates 4 on the same conveying pipeline 2, the detection value of the natural gas detection probe 5 is 500ppm, the protection pipeline 1 and the conveying pipeline 2 are X80-grade seamless pipeline steel, and the length of each section of the protection pipeline 1 is 1.2 times of that of each section of the conveying pipeline 2.
When the concentration of the natural gas in the protection pipeline 1 reaches 500ppm, the natural gas detection probe 5 can detect the natural gas, and the result is displayed on the natural gas concentration display screen 9; meanwhile, data are transmitted to the PLC 12, and the PLC 12 controls the warning lamp 10 connected with the PLC to be turned on to remind a user of natural gas leakage.
Be equipped with conveyer pipe 14 and delivery sleeve 15 respectively along the natural gas flow direction in every section pipeline 2, conveyer pipe 14 includes stand pipe 16 and first sleeve 17, first sleeve 17 is fixed 16 front ends of stand pipe, delivery sleeve 15 includes stand pipe 16 and second sleeve 18, second sleeve 18 is fixed 16 front ends of stand pipe, stand pipe 16 is sealed to be fixed in pipeline 2, first sleeve 17 with second sleeve 18 intercommunication.
Two adjacent protection pipeline 1 spiral installations, in case the emergence is leaked, the very first time closes the natural gas valve and will leak protection pipeline 1 dismantles, changes protection pipeline 1 again, makes the natural gas leak the maintenance simplification.
The guide pipe 16 and the first sleeve 17 are of an integrated structure, the guide pipe 16 and the second sleeve 18 are of an integrated structure, and the front end of the second sleeve 18 extends out of the conveying pipeline 2.
Be equipped with hollow structure's fixed pin 24 in the first sleeve pipe 17, fixed pin 24 towards the one side of stand pipe 16 is seal structure, and the another side is open structure, first sleeve pipe 17 towards the one side of stand pipe 16 is open structure, and the another side is seal structure, fixed pin 24 surfaces are equipped with first through-hole 25, second sleeve pipe 18 side is equipped with second through-hole 19, be equipped with spring post 20 in the second sleeve pipe 18, spring post 20 front end is fixed with sealing washer 22 through linking axle 21, fixed pin 24 covers establish in the second sleeve pipe 18, be equipped with through-hole stopper 28 on linking axle 21, through-hole stopper 28 inlays in the second through-hole 19.
The through hole plug 28 is made of rubber.
The bottom of the spring column 20 is fixed with a welding plate 26, a connecting rod 27 is arranged on the side wall of the welding plate 26, the front end of the connecting rod 27 is fixed on the inner wall of the second sleeve 18, the diameter of the spring column 20 is smaller than that of the welding plate 26, the diameter of the welding plate 26 is smaller than the inner diameter of the second sleeve 18, the diameter of the connecting shaft 21 is smaller than that of the spring column 20, and the second through hole 19 is opposite to the connecting shaft 21.
By the extrusion of the fixing pin 24 to the sealing ring 22, the sealing ring 22 retracts to the lower end of the second through hole 19 under the action of the spring column 20, the through hole plug 28 falls off from the second through hole 19, and the natural gas circulates along the second through hole 19 and the first through hole 25.
After the protective pipeline 1 is disassembled, the pressure acting on the sealing ring 22 disappears, the sealing ring 22 is rebounded to the sealing ring limiting groove 23 under the action of the elastic force of the spring column 20, the through hole plug 28 is squeezed into the second through hole 19, and the natural gas in the second sleeve 18 is prevented from flowing.
And a sealing ring limiting groove 23 is formed in the inner wall of the second sleeve 18, the sealing ring 22 is embedded in the sealing ring limiting groove 23, and the sealing ring 22 is made of rubber materials.
And a protective sleeve 7 is arranged outside the single data line 6.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a point type leaks alarm system, includes a plurality of sections protective pipe way (1), a plurality of sections pipeline (2) and electrical control cabinet (3), its characterized in that: two adjacent protective pipelines (1) and two adjacent conveying pipelines (2) are respectively in spiral sealing connection, two ends of each section of conveying pipeline (2) are respectively provided with a sealing plate (4), the sealing plates (4) are welded and fixed in the protective pipelines (1), a plurality of natural gas detection probes (5) are installed in the protective pipelines (1), a display cabinet (8), a PLC control cabinet (11) and a power cabinet (13) are arranged on the electrical control cabinet (3), a plurality of natural gas concentration display screens (9) and a plurality of warning lamps (10) are arranged on the display cabinet (8), a plurality of PLC controllers (12) are arranged on the PLC control cabinet (11), the power cabinet (13) is respectively connected with the display cabinet (8) and the PLC control cabinet (11), the warning lamps (10) are connected with the PLC controllers (12), and a single data line (6) is connected on each natural gas detection probe (5), the single data line (6) is respectively connected with the natural gas concentration display screen (9) and the PLC control cabinet (11) in parallel.
2. A point leak alarm system according to claim 1, wherein: each natural gas detection probe (5) is positioned between two sealing plates (4) on the same conveying pipeline (2), the detection value of each natural gas detection probe (5) is 500ppm, the protection pipeline (1) and the conveying pipeline (2) are X80-grade seamless pipeline steel, and the length of each section of protection pipeline (1) is 1.2 times of that of each section of conveying pipeline (2).
3. A point leak alarm system according to claim 1, wherein: be equipped with conveyer pipe (14) and delivery casing (15) respectively along the natural gas flow direction in every section pipeline (2), conveyer pipe (14) are including stand pipe (16) and first sleeve pipe (17), first sleeve pipe (17) are fixed stand pipe (16) front end, delivery casing (15) are including stand pipe (16) and second sleeve pipe (18), second sleeve pipe (18) are fixed stand pipe (16) front end, stand pipe (16) are sealed to be fixed in pipeline (2), first sleeve pipe (17) with second sleeve pipe (18) intercommunication.
4. A point leak alarm system according to claim 3, wherein: the guide pipe (16) and the first sleeve (17) are of an integrated structure, the guide pipe (16) and the second sleeve (18) are of an integrated structure, and the front end of the second sleeve (18) extends out of the conveying pipeline (2).
5. A point leak warning system according to claim 3 or claim 4, wherein: be equipped with hollow structure's fixed pin (24) in first sleeve pipe (17), fixed pin (24) towards the one side of stand pipe (16) is seal structure, and the another side is open structure, first sleeve pipe (17) towards the one side of stand pipe (16) is open structure, and the another side is seal structure, fixed pin (24) surface is equipped with first through-hole (25), second sleeve pipe (18) side is equipped with second through-hole (19), be equipped with spring post (20) in second sleeve pipe (18), spring post (20) front end is fixed with sealing washer (22) through linking axle (21), fixed pin (24) cover is established in second sleeve pipe (18), be equipped with through-hole stopper (28) on linking axle (21), through-hole stopper (28) inlay in second through-hole (19).
6. A point leak alarm system according to claim 5, wherein: the spring column (20) bottom is fixed with welding plate (26), be equipped with connecting rod (27) on welding plate (26) lateral wall, connecting rod (27) front end is fixed on second sleeve pipe (18) inner wall, the diameter of spring column (20) is less than the diameter of welding plate (26), the diameter of welding plate (26) is less than the internal diameter of second sleeve pipe (18), the diameter of even axle (21) is less than the diameter of spring column (20).
7. A point leak alarm system according to claim 5, wherein: and a sealing ring limiting groove (23) is formed in the inner wall of the second sleeve (18), the sealing ring (22) is embedded in the sealing ring limiting groove (23), and the sealing ring (22) is made of rubber materials.
8. A point leak alarm system according to claim 1, wherein: and a protective sleeve (7) is arranged outside the single data line (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046217.0U CN210372896U (en) | 2019-07-05 | 2019-07-05 | Point type leakage alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046217.0U CN210372896U (en) | 2019-07-05 | 2019-07-05 | Point type leakage alarm system |
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| Publication Number | Publication Date |
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| CN210372896U true CN210372896U (en) | 2020-04-21 |
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| CN201921046217.0U Active CN210372896U (en) | 2019-07-05 | 2019-07-05 | Point type leakage alarm system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411678A (en) * | 2020-11-04 | 2021-02-26 | 湖南力乐利环保科技有限公司 | Sensing module for detecting leakage of tap water pipeline |
| CN113203042A (en) * | 2021-04-01 | 2021-08-03 | 无锡恒大电子科技有限公司 | Full-automatic special gas delivery cabinet leakage detection device |
-
2019
- 2019-07-05 CN CN201921046217.0U patent/CN210372896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411678A (en) * | 2020-11-04 | 2021-02-26 | 湖南力乐利环保科技有限公司 | Sensing module for detecting leakage of tap water pipeline |
| CN113203042A (en) * | 2021-04-01 | 2021-08-03 | 无锡恒大电子科技有限公司 | Full-automatic special gas delivery cabinet leakage detection device |
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