CN215982043U - Leakage-proof alarm device for monitoring operation of natural gas pipeline - Google Patents

Leakage-proof alarm device for monitoring operation of natural gas pipeline Download PDF

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Publication number
CN215982043U
CN215982043U CN202122670063.6U CN202122670063U CN215982043U CN 215982043 U CN215982043 U CN 215982043U CN 202122670063 U CN202122670063 U CN 202122670063U CN 215982043 U CN215982043 U CN 215982043U
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leakage
sides
rectangular
alarm device
natural gas
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Chinese (zh)
Inventor
李会中
刘国栋
沈飞军
黄志强
赵海丰
肖术
杜金龙
康磊
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Three Gorges Geotechnical Consultants Co ltd
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Three Gorges Geotechnical Consultants Co ltd
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Abstract

The utility model discloses a leakage-proof alarm device for monitoring the operation of a natural gas pipeline, which comprises a leakage-proof alarm device body arranged at the outer side of the joint of two pipelines, wherein the two pipelines are connected through two flanges, the leakage-proof alarm device body comprises two rectangular boxes, one sides, close to each other, of the two rectangular boxes are respectively provided with an opening, one sides, close to each other, of the two rectangular boxes are rotatably installed, semicircular sealing rings are embedded on the inner walls of the two sides of each rectangular box, the two semicircular sealing rings positioned on the same side form a full-circle sealing ring, and the inner sides of the full-circle sealing rings are in movable contact with the outer sides of the corresponding pipelines. The solar energy leakage alarm is convenient for automatically alarming and reminding personnel when leakage occurs at the joint of the two pipelines, can automatically and temporarily plug, reduces the phenomenon that a large amount of natural gas leaks outwards, is convenient for supplying power to the alarm and the alarm lamp in a solar power supply mode, is convenient to use, can save wiring work of personnel, meets use requirements, and is beneficial to use.

Description

Leakage-proof alarm device for monitoring operation of natural gas pipeline
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to a leakage-proof alarm device for monitoring the operation of a natural gas pipeline.
Background
With the development of science and technology, people's life changes with the change of covering the ground, and natural gas is used as a novel energy commonly used by people now, by the extensive each family of using, and natural gas pipeline also lays each family next to each other, but natural gas is as a flammable explosive gas, and its security needs our extra attention, especially to pipeline interface position department, the gas leakage phenomenon will appear very likely to once the gas concentration who reveals is too high, will appear the danger of explosion very easily, consequently need monitor the pipeline junction.
The joint of two adjacent pipelines of the existing natural gas pipeline mostly does not have the functions of automatic alarm and automatic temporary plugging when leakage occurs, so that the leakage is easily caused at the joint in a large quantity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a leakage-proof alarm device for monitoring the operation of a natural gas pipeline.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a leakage-proof alarm device for monitoring the operation of a natural gas pipeline comprises a leakage-proof alarm device body arranged on the outer side of the joint of two pipelines, wherein the two pipelines are connected through two flanges;
a round box with the bottom arranged as an opening is embedded on the inner wall of the top of the rectangular box positioned above the two rectangular boxes, a rectangular hole is formed on the inner wall of the top of the round box, the top of the round box extends to the upper part of the rectangular box above and is fixedly connected with a storage battery and an alarm, an alarm lamp is fixedly connected with the top of the front side of the round box, a piston is movably sleeved in the round box in a sealing manner, the top of the piston is fixedly connected with an elastic guide mechanism, the top end of the elastic guide mechanism extends to the upper part of the round box and is fixedly connected with an arc-shaped shield, the elastic guide mechanism is fixedly connected with the inner wall of the front side of the rectangular hole, the top of the piston is fixedly connected with an L-shaped insulating rod, the top of the L-shaped insulating rod extends into the rectangular hole and is fixedly connected with a first copper sheet, a second copper sheet fixed at the bottom of the storage battery is arranged above the first copper sheet in a matching manner, and the alarm lamp are both electrically connected with the anode of the storage battery, alarm and alarm lamp all with first copper sheet electric connection, the negative pole and the second copper sheet electric connection of battery.
Preferably, the thread fixing mechanism comprises two nuts and a T-shaped bolt, the rear sides of the two nuts are respectively and fixedly connected with the front sides of the corresponding rectangular boxes, and the T-shaped bolt is sleeved in the two nuts in a threaded manner.
Preferably, elasticity guiding mechanism includes spring, stopper and two guide bars, the bottom of two guide bars all with the top fixed connection of piston, the top of two guide bars all extend to the top of circle box and keep off the bottom fixed connection of guard shield with the arc, battery and L shape insulator spindle all are located between two guide bars, the front side of stopper and the front side inner wall fixed connection in rectangular hole, the top and the bottom of spring respectively with the bottom of stopper and the top fixed connection of piston, the top of stopper and the top inner wall movable contact of L shape insulator spindle.
Preferably, the rear sides of the two rectangular boxes are fixedly provided with the same hinge, the two rectangular boxes are rotatably installed through the hinge, one side, close to each other, of each rectangular box is fixedly bonded with a sealing strip, and one side, close to each other, of each sealing strip is in movable contact with the other side of each rectangular box.
Preferably, semicircle embedded holes are formed in the inner walls of the two sides of the rectangular box, one side, close to each other, of each of the two semicircle embedded holes opposite to each other is provided with an opening, and the inner walls of the semicircle embedded holes are fixedly bonded with the outer sides of the corresponding semicircle sealing rings.
Preferably, the top rear side of the rectangular box that is located the top is fixed with solar panel, solar panel's bottom is fixed and electrically connected with the dc-to-ac converter, and dc-to-ac converter and battery electrically connected.
Preferably, a first round hole is formed in the inner wall of the top of the rectangular box above the piston, the inner wall of the first round hole is fixedly connected with the outer side of the round box, and a first sealing ring in sliding connection with the inner wall of the round box is sleeved on the outer side of the piston in a bonding mode.
Preferably, two second round holes are formed in the inner wall of the top of the round box, and the inner walls of the second round holes are connected with the outer sides of the corresponding guide rods in a sliding mode.
Preferably, the storage battery, the alarm, the first copper sheet and the second copper sheet sequentially form a loop, and the storage battery, the alarm lamp, the first copper sheet and the second copper sheet sequentially form a loop.
Compared with the prior art, the utility model has the beneficial effects that:
the alarm device and the alarm lamp are powered on to send out an alarm, and the purpose of automatically alarming and reminding personnel during leakage is achieved, the piston can form the shutoff in the round box this moment, avoids gaseous upwards discharge, realizes carrying out the function of interim shutoff before personnel's maintenance, and solar panel absorbs solar energy and changes the electric energy into through the dc-to-ac converter and store to the battery in, and the battery is the power supply of alarm and alarm lamp.
The solar energy leakage alarm is convenient for automatically alarming and reminding personnel when leakage occurs at the joint of the two pipelines, can automatically and temporarily plug, reduces the phenomenon that a large amount of natural gas leaks outwards, is convenient for supplying power to the alarm and the alarm lamp in a solar power supply mode, is convenient to use, can save wiring work of personnel, meets use requirements, and is beneficial to use.
Drawings
FIG. 1 is a schematic structural diagram of a leakage-proof alarm device for monitoring the operation of a natural gas pipeline, according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic left-side view of a leakage-proof alarm device for monitoring the operation of a natural gas pipeline according to the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
In the figure: 100 pipelines, 101 flanges, 1 rectangular box, 2 nuts, 3T-shaped bolts, 4 solar panels, 5 round boxes, 6 storage batteries, 7 alarm lamps, 8 rectangular holes, 9 pistons, 10 guide rods, 11 arc-shaped blocking shields, 12 limiting blocks, 13L-shaped insulating rods, 14 first copper sheets, 15 second copper sheets, 16 springs, 17 alarms and 18 semicircular sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a leakage-proof alarm device for monitoring the operation of a natural gas pipeline comprises a leakage-proof alarm device body arranged at the outer side of the joint of two pipelines 100, wherein the two pipelines 100 are connected through two flanges 101, the leakage-proof alarm device body comprises two rectangular boxes 1, one sides, close to each other, of the two rectangular boxes 1 are respectively provided with an opening, one sides, close to each other, of the two rectangular boxes 1 are rotatably installed, semicircular sealing rings 18 are embedded on the inner walls of the two sides of each rectangular box 1, the two semicircular sealing rings 18 positioned on the same side form a full-circle sealing ring, the inner sides of the full-circle sealing rings are movably contacted with the outer sides of the corresponding pipelines 100, the flanges 101 are positioned in the two rectangular boxes 1, and the front sides of the two rectangular boxes 1 are fixedly connected with the same thread fixing mechanism;
the round box 5 with the bottom being provided with an opening is embedded on the inner wall of the top of the rectangular box 1 positioned above the two rectangular boxes 1, the inner wall of the top of the round box 5 is provided with a rectangular hole 8, the top of the round box 5 extends to the upper part of the rectangular box 1 above and is fixedly connected with a storage battery 6 and an alarm 17, the top of the front side of the round box 5 is fixedly connected with an alarm lamp 7, the round box 5 is internally and movably sleeved with a piston 9 in a sealing way, the top of the piston 9 is fixedly connected with an elastic guide mechanism, the top end of the elastic guide mechanism extends to the upper part of the round box 5 and is fixedly connected with an arc-shaped shield 11, the elastic guide mechanism is fixedly connected with the inner wall of the front side of the rectangular hole 8, the top of the piston 9 is fixedly connected with an L-shaped insulating rod 13, the top of the L-shaped insulating rod 13 extends to the rectangular hole 8 and is fixedly connected with a first copper sheet 14, a second copper sheet 15 fixed at the bottom of the storage battery 6 is arranged above the first copper sheet 14 in a matching way, the alarm 17 and the alarm lamp 7 are both electrically connected with the anode of the storage battery 6, the alarm 17 and the alarm lamp 7 are both electrically connected with the first copper sheet 14, and the cathode of the storage battery 6 is electrically connected with the second copper sheet 15;
the thread fixing mechanism comprises two nuts 2 and a T-shaped bolt 3, the rear sides of the two nuts 2 are respectively and fixedly connected with the front sides of the corresponding rectangular boxes 1, and the T-shaped bolt 3 is sleeved in the two nuts 2 in a threaded manner;
the elastic guide mechanism comprises a spring 16, a limiting block 12 and two guide rods 10, the bottom ends of the two guide rods 10 are fixedly connected with the top of a piston 9, the top ends of the two guide rods 10 extend to the upper part of the round box 5 and are fixedly connected with the bottom of an arc-shaped shielding cover 11, a storage battery 6 and an L-shaped insulating rod 13 are positioned between the two guide rods 10, the front side of the limiting block 12 is fixedly connected with the inner wall of the front side of the rectangular hole 8, the top end and the bottom end of the spring 16 are fixedly connected with the bottom of the limiting block 12 and the top of the piston 9 respectively, and the top of the limiting block 12 is in movable contact with the inner wall of the top of the L-shaped insulating rod 13, so that automatic alarm reminding personnel can be conveniently realized when leakage occurs at the joint of the two pipelines 100, automatic temporary plugging can be realized, the phenomenon that a large amount of natural gas is leaked outwards can be reduced, and the alarm 17 and an alarm lamp 7 can be conveniently powered by solar energy, the use is convenient, the wiring work of personnel can be saved, the use requirement is met, and the use is facilitated.
In the utility model, the same hinge is fixedly arranged at the rear sides of two rectangular boxes 1, the two rectangular boxes 1 are rotatably arranged through the hinge, sealing strips are fixedly bonded at the mutually close sides of the two rectangular boxes 1, the mutually close sides of the two sealing strips are movably contacted, semicircular embedding holes are respectively arranged on the inner walls of the two sides of each rectangular box 1, the mutually close sides of the two semicircular embedding holes which are opposite up and down are respectively provided with an opening, the inner walls of the semicircular embedding holes are fixedly bonded with the outer sides of corresponding semicircular sealing rings 18, a solar panel 4 is fixedly arranged at the rear side of the top of the rectangular box 1 which is positioned above, the bottom of the solar panel 4 is fixedly and electrically connected with an inverter, the inverter is electrically connected with a storage battery 6, a first round hole is arranged on the inner wall of the top of the rectangular box 1 which is positioned above, the inner wall of the first round hole is fixedly connected with the outer side of the round box 5, and a first sealing ring which is slidably connected with the inner wall of the round box 5 is bonded on the outer side of a piston 9, the automatic alarm device is convenient for automatically alarming and reminding personnel when leakage occurs at the joint of two pipelines 100, can perform automatic temporary plugging, reduces the phenomenon that a large amount of natural gas leaks outwards, is convenient for supplying power to the alarm 17 and the alarm lamp 7 in a solar power supply mode, is convenient to use, can save wiring work of personnel, meets use requirements, and is beneficial to use.
The working principle is as follows: when the device is used, the four semicircular sealing rings 18 and the two rectangular boxes 1 form a small sealing space, the joint of the two pipelines 100 is located in the sealing space, when the joint of the two pipelines 100 leaks, leaked gas enters the sealing space, the gas upwards enters the round box 5 along with the entering of the gas in the sealing space, the gas pressure increases along with the increasing leakage of the gas, the gas pushes the piston 9 to enable the piston to slide upwards in the round box 5, the piston 9 drives the arc-shaped shielding cover 11 to move upwards through the two guide rods 10, the piston 9 upwards compresses the spring 16, meanwhile, the piston 9 drives the L-shaped insulating rod 13 to move upwards, the L-shaped insulating rod 13 drives the first copper sheet 14 to move upwards, when the first copper sheet 14 moves upwards to be in contact with the bottom of the second copper sheet 15, as the storage battery 6, the alarm 17, the first copper sheet 14 and the second copper sheet 15 sequentially form a loop, the storage battery 6, the alarm lamp 7, the first copper sheet 14 and the second copper sheet 15 sequentially form a loop, the alarm 17 and the alarm lamp 7 are powered on to be started to give an alarm, the purpose of automatically alarming and reminding personnel during leakage is achieved, and the piston 9 can form a plug in the round box 5, so that gas is prevented from being discharged upwards, and the function of temporary plugging before maintenance of personnel is achieved;
when the leak protection alarm device body needs to be detached and opened during follow-up maintenance, then the T-shaped bolt 3 is rotated reversely to enable the T-shaped bolt to rotate out of the two nuts 2, then the two rectangular boxes 1 can be rotated and opened in the direction away from each other, the shielding is removed, the maintenance work can be carried out, the solar panel 4 absorbs solar energy and converts the solar energy into electric energy through the inverter to be stored in the storage battery 6, the storage battery 6 supplies power for the alarm 17 and the alarm lamp 7, the solar energy power supply mode is adopted, the use is convenient, and the wiring work of personnel can be saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (9)

1. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline comprises a leakage-proof alarm device body arranged on the outer side of the joint of two pipelines (100), wherein the two pipelines (100) are connected through two flanges (101), and is characterized in that the leakage-proof alarm device body comprises two rectangular boxes (1), one sides, close to each other, of the two rectangular boxes (1) are respectively provided with an opening, one sides, close to each other, of the two rectangular boxes (1) are rotatably installed, semicircular sealing rings (18) are embedded on the inner walls of the two sides of each rectangular box (1), the two semicircular sealing rings (18) positioned on the same side form a whole-circle sealing ring, the inner sides of the whole-circle sealing rings are movably contacted with the outer sides of the corresponding pipelines (100), the flanges (101) are positioned in the two rectangular boxes (1), and the front sides of the two rectangular boxes (1) are fixedly connected with the same thread fixing mechanism;
the round box (5) with the bottom arranged for opening is embedded on the inner wall of the top of the rectangular box (1) positioned above the two rectangular boxes (1), a rectangular hole (8) is formed in the inner wall of the top of the round box (5), the top of the round box (5) extends to the upper side of the rectangular box (1) above and is fixedly connected with a storage battery (6) and an alarm (17), an alarm lamp (7) is fixedly connected to the top of the front side of the round box (5), a piston (9) is movably sleeved in the round box (5) in a sealing manner, an elastic guide mechanism is fixedly connected to the top of the piston (9), the top of the elastic guide mechanism extends to the upper side of the round box (5) and is fixedly connected with an arc-shaped blocking shield (11), the elastic guide mechanism is fixedly connected with the inner wall of the front side of the rectangular hole (8), an L-shaped insulating rod (13) is fixedly connected to the top of the piston (9), a first copper sheet (14) is fixedly connected to the top of the L-shaped insulating rod (13) extending into the rectangular hole (8), the second copper sheet (15) fixed at the bottom of the storage battery (6) is arranged above the first copper sheet (14) in a matched mode, the alarm (17) and the alarm lamp (7) are electrically connected with the positive electrode of the storage battery (6), the alarm (17) and the alarm lamp (7) are electrically connected with the first copper sheet (14), and the negative electrode of the storage battery (6) is electrically connected with the second copper sheet (15).
2. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline as claimed in claim 1, wherein the thread fixing mechanism comprises two nuts (2) and a T-shaped bolt (3), the rear sides of the two nuts (2) are respectively and fixedly connected with the front sides of the corresponding rectangular boxes (1), and the T-shaped bolt (3) is sleeved in the two nuts (2) in a threaded manner.
3. The anti-leakage alarm device for monitoring the operation of the natural gas pipeline according to claim 1, its characterized in that, elasticity guiding mechanism includes spring (16), stopper (12) and two guide bars (10), the bottom of two guide bars (10) all with the top fixed connection of piston (9), the top of two guide bars (10) all extend to the top of circle box (5) and keep off the bottom fixed connection of guard shield (11) with the arc, battery (6) and L shape insulator spindle (13) all are located between two guide bars (10), the front side of stopper (12) and the front side inner wall fixed connection of rectangular hole (8), the top and the bottom of spring (16) respectively with the bottom of stopper (12) and the top fixed connection of piston (9), the top of stopper (12) and the top inner wall movable contact of L shape insulator spindle (13).
4. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline is characterized in that the same hinge is fixedly installed on the rear sides of the two rectangular boxes (1), the two rectangular boxes (1) are rotatably installed through the hinge, sealing strips are fixedly bonded on the sides, close to each other, of the two rectangular boxes (1), and the sides, close to each other, of the two sealing strips are in movable contact.
5. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline is characterized in that semicircular embedding holes are formed in the inner walls of two sides of the rectangular box (1), one sides, close to each other, of the two semicircular embedding holes which are opposite up and down are provided with openings, and the inner walls of the semicircular embedding holes are fixedly bonded with the outer sides of the corresponding semicircular sealing rings (18).
6. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline is characterized in that a solar panel (4) is fixedly installed on the rear side of the top of the rectangular box (1) located above, an inverter is fixedly and electrically connected to the bottom of the solar panel (4), and the inverter is electrically connected with the storage battery (6).
7. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline is characterized in that a first round hole is formed in the inner wall of the top of the rectangular box (1) located above the first round hole, the inner wall of the first round hole is fixedly connected with the outer side of the round box (5), and a first sealing ring in sliding connection with the inner wall of the round box (5) is sleeved on the outer side of the piston (9) in a bonding mode.
8. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline as claimed in claim 3, wherein two second round holes are formed in the inner wall of the top of the round box (5), and the inner walls of the second round holes are slidably connected with the outer sides of the corresponding guide rods (10).
9. The leakage-proof alarm device for monitoring the operation of the natural gas pipeline is characterized in that the storage battery (6), the alarm (17), the first copper sheet (14) and the second copper sheet (15) sequentially form a loop, and the storage battery (6), the alarm lamp (7), the first copper sheet (14) and the second copper sheet (15) sequentially form a loop.
CN202122670063.6U 2021-11-03 2021-11-03 Leakage-proof alarm device for monitoring operation of natural gas pipeline Active CN215982043U (en)

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Application Number Priority Date Filing Date Title
CN202122670063.6U CN215982043U (en) 2021-11-03 2021-11-03 Leakage-proof alarm device for monitoring operation of natural gas pipeline

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Application Number Priority Date Filing Date Title
CN202122670063.6U CN215982043U (en) 2021-11-03 2021-11-03 Leakage-proof alarm device for monitoring operation of natural gas pipeline

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115031176A (en) * 2022-08-10 2022-09-09 山东鸿远新材料科技股份有限公司 Chemical plant gas leakage alarm device
WO2024066189A1 (en) * 2022-09-30 2024-04-04 福建天甫电子材料有限公司 Assay and detection device for ammonium fluoride production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115031176A (en) * 2022-08-10 2022-09-09 山东鸿远新材料科技股份有限公司 Chemical plant gas leakage alarm device
CN115031176B (en) * 2022-08-10 2022-11-01 山东鸿远新材料科技股份有限公司 Chemical plant gas leakage alarm device
WO2024066189A1 (en) * 2022-09-30 2024-04-04 福建天甫电子材料有限公司 Assay and detection device for ammonium fluoride production

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