CN220417064U - Leakage-proof alarm device for joint - Google Patents
Leakage-proof alarm device for joint Download PDFInfo
- Publication number
- CN220417064U CN220417064U CN202321835475.3U CN202321835475U CN220417064U CN 220417064 U CN220417064 U CN 220417064U CN 202321835475 U CN202321835475 U CN 202321835475U CN 220417064 U CN220417064 U CN 220417064U
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- China
- Prior art keywords
- gas
- box body
- fixedly connected
- baffle
- box
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000002265 prevention Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 87
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000002737 fuel gas Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to the technical field of gas pipelines, in particular to a joint leakage-proof alarm device, which comprises a box body, a gas sensor, a sealing mechanism, an exhaust mechanism and an alarm, wherein: the gas sensor is fixedly connected to the inside bottom of the box, the box is connected with a gas pipeline, a joint of the gas pipeline is positioned in the box, a sealing mechanism for sealing the air inlet and the air outlet is connected to the box, an exhaust mechanism for exhausting gas in the box is connected to the box, and the alarm is fixedly connected to the box. The sealing mechanism is started and then is staggered with the air inlet and the air outlet, the air inlet and the air outlet are in an open state, after the air exhausting mechanism is started, air in the box body is exhausted from the air outlet, external air enters the box body from the air inlet, the concentration of the fuel gas in the box body is reduced, and when the box body is opened for maintenance, the air in the box body cannot interfere with the maintenance.
Description
Technical Field
The utility model relates to the technical field of gas pipelines, in particular to a leakage-proof alarm device at a joint.
Background
The gas pipe is a special pipeline for conveying combustible gas, when the gas pipeline is connected, the flange is required to be used for connection, the condition that gas leaks easily occurs at the flange connection position in the use process, in order to reduce gas leakage, the gas pipe connection position is detected by adopting the leakage-proof alarm device, after gas leakage is detected, alarm prompt tone is sent out, when the gas pipe connection position is detected by the leakage-proof alarm device, the leaked natural gas gathers in the leakage-proof alarm device, the gas concentration in the leakage-proof alarm device is gradually increased, and when the leakage-proof alarm device is opened for gas maintenance, the natural gas in the leakage-proof alarm device is released from the leakage-proof alarm device, so that the overhaul is disturbed.
Disclosure of Invention
The utility model aims to solve the defect that natural gas in a leakage-proof alarm device is released from the leakage-proof alarm device in the prior art, so that the overhaul is interfered, and provides the leakage-proof alarm device at the joint.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a joint department prevents revealing alarm device, includes box, gas sensor, sealing mechanism, exhaust mechanism and siren, wherein:
the gas sensor is fixedly connected to the inner bottom end of the box body, the box body is connected with a gas pipeline, a joint of the gas pipeline is positioned in the box body, the box body is connected with a sealing mechanism for sealing the air inlet and the air outlet, the box body is connected with an exhaust mechanism for exhausting gas in the box body, and the alarm is fixedly connected to the box body.
Preferably, an anti-corrosion layer is sprayed on the inner wall of the box body.
Preferably, the sealing mechanism comprises a mounting block, an electric telescopic rod, a first baffle, a connecting rod and a second baffle, wherein the mounting block is fixedly connected to the box body, the electric telescopic rod is fixedly connected to the mounting block, the first baffle is fixedly connected to the telescopic end of the electric telescopic rod, the first baffle shields the air inlet, one end of the connecting rod is fixedly connected to the first baffle, the other end of the connecting rod is fixedly connected to the second baffle, and the second baffle shields the air outlet.
Preferably, the first baffle, the connecting rod and the second baffle are of an integrated structure.
Preferably, the exhaust mechanism comprises a motor, a rotating shaft and fan blades, the motor is fixedly connected to the box body, one end of the rotating shaft is fixedly connected to the output end of the motor, the other end of the rotating shaft extends into the box body, and the other end of the rotating shaft is fixedly connected to the fan blades.
Preferably, the gas sensor further comprises a guide mechanism, the guide mechanism comprises a gas gathering cover and a guide pipe, the gas gathering cover is connected to the gas pipeline, a joint of the gas pipeline is located in the gas gathering cover, the guide pipe is communicated to the bottom end of the gas gathering cover, and an outlet of the guide pipe is arranged towards the gas sensor.
The utility model provides a joint leakage-proof alarm device, which has the beneficial effects that:
after the sealing mechanism is started, the sealing mechanism is staggered with the air inlet and the air outlet, the air inlet and the air outlet are in an open state, after the exhaust mechanism is started, the air in the box body is discharged from the air outlet, the external air enters the box body from the air inlet, the concentration of the fuel gas in the box body is reduced, and when the box body is opened for maintenance, the air in the box body cannot interfere with maintenance.
Drawings
FIG. 1 is a schematic diagram of a joint leakage prevention alarm device according to the present utility model;
FIG. 2 is a schematic diagram of a joint leakage prevention alarm device according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A;
fig. 4 is a schematic cross-sectional view of the structure at B-B in fig. 2.
In the figure: the gas sensor comprises a box body 1, a gas sensor 2, a sealing mechanism 3, an exhaust mechanism 4, a controller 5, an alarm 6, a guide mechanism 7, a mounting block 31, an electric telescopic rod 32, a first baffle 33, a connecting rod 34, a second baffle 35, a motor 41, a rotating shaft 42, fan blades 43, a gas collecting cover 71 and a guide pipe 72.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 to 4, a joint leakage prevention alarm device comprises a case 1, a gas sensor 2, a sealing mechanism 3, an exhaust mechanism 4 and an alarm 6, wherein:
the gas sensor 2 is fixedly connected to the inner bottom end of the box body 1, the gas sensor 2 is used for detecting whether gas is generated in the box body 1, an anti-corrosion layer is sprayed on the inner wall of the box body 1, the anti-corrosion layer is used for carrying out anti-corrosion protection on the box body 1, the corrosion speed of the box body 1 is delayed, the box body 1 is connected with a gas pipeline, a joint of the gas pipeline is positioned in the box body 1, an air inlet is formed in the box body 1, the air inlet is convenient for external gas to enter the box body 1, an air outlet is formed in the box body 1, the air outlet is used for discharging gas in the box body 1, a sealing mechanism 3 used for sealing the air inlet and the air outlet is connected to the box body 1, an exhaust mechanism 4 used for exhausting the gas in the box body is connected to the box body 1, an alarm 6 is fixedly connected to the box body 1, an alarm is sent out after the alarm 6 is started, a controller 5 is fixedly connected to the box body 1, and the controller 5 is in signal connection with the gas sensor 2, the sealing mechanism 3, the exhaust mechanism 4 and the alarm 6;
the sealing mechanism 3 comprises a mounting block 31, an electric telescopic rod 32, a first baffle 33, a connecting rod 34 and a second baffle 35, wherein the mounting block 31 is fixedly connected to the box body 1, the mounting block 31 is used for mounting the electric telescopic rod 32, the electric telescopic rod 32 is fixedly connected to the mounting block 31, the electric telescopic rod 32 is used for driving the first baffle 33 to move in the vertical direction, the electric telescopic rod 32 is connected with a controller through a wire, the first baffle 33 is fixedly connected to the telescopic end of the electric telescopic rod 32, the first baffle 33 shields an air inlet, one end of the connecting rod 34 is fixedly connected to the first baffle 33, the connecting rod 34 is used for driving the second baffle 35 to move, the other end of the connecting rod 34 is fixedly connected to the second baffle 35, the second baffle 35 shields an air outlet, and the first baffle 33, the connecting rod 34 and the second baffle 35 are of an integral structure.
The working process comprises the following steps: when the gas in the gas pipeline leaks from the connector, the leaked gas flows into the box body 1, when the gas in the box body 1 reaches a certain concentration, the gas sensor 2 detects the gas in the box body 1, the gas sensor 2 transmits a signal to the controller 5 after detecting the gas, the controller 5 controls the alarm 6 to start to give out an alarm to remind the gas leakage, meanwhile, the controller controls the sealing mechanism 3 and the exhaust mechanism 4 to start, the sealing mechanism 3 is staggered with the air inlet and the air outlet, the air inlet and the air outlet are in an open state, after the exhaust mechanism 4 is started, the gas in the box body 1 is discharged from the air outlet, the external gas enters the box body 1 from the air inlet, the concentration of the gas in the box body 1 is reduced, and when the box body 1 is opened for maintenance, the gas in the box body cannot interfere with maintenance.
Example 2
When the gas in the box 1 is discharged through the gas outlet, referring to fig. 3, as another preferred embodiment of the present utility model, the difference between the exhaust mechanism 4 and the embodiment 1 is that the exhaust mechanism 41 includes a motor 41, a rotating shaft 42 and a fan blade 43, the motor 41 is fixedly connected to the box 1, the motor 41 is connected to the controller 5 through a wire, one end of the rotating shaft 42 is fixedly connected to the output end of the motor 41, the other end of the rotating shaft 42 extends into the box 1, the other end of the rotating shaft 42 is fixedly connected to the fan blade 43, the controller 5 controls the motor 41 to be powered on, the motor 41 is powered on to drive the rotating shaft 42 to rotate after being powered on, the rotating shaft 42 drives the fan blade 43 to rotate, and the gas in the box 1 is accelerated to be discharged from the gas outlet after the fan blade 43 rotates.
Example 3
When the gas in the gas pipeline leaks from the connector, the leaked gas flows into the box body 1, a certain space is reserved in the box body 1, when the gas leaks from the upper end of the connector, the leaked gas escapes into the box body 1, the gas can be detected by the gas sensor 2 only when the gas in the box body 1 reaches a certain concentration, the gas detection speed of the gas sensor 2 is slow, referring to fig. 4, as another preferred embodiment of the utility model, the gas pipeline further comprises a guiding mechanism 7, the guiding mechanism 7 comprises a gas collecting cover 71 and a conduit 72, the gas collecting cover 71 is connected to the gas pipeline, the connector of the gas pipeline is positioned in the gas collecting cover 71, the conduit 72 is communicated to the bottom end of the gas collecting cover 71, the outlet of the conduit 72 is arranged towards the gas sensor 2, the gas in the gas pipeline leaks from the connector and flows into the gas collecting cover 71, the space in the gas collecting cover 71 is small, the gas released from the conduit 72 is detected by the gas sensor 2, and the gas released from the conduit 72 is guided to the gas sensor 2 by the conduit 72, so that the detection speed of the gas sensor 2 is accelerated.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a warning device is prevented revealing by junction, its characterized in that includes box (1), gas sensor (2), sealing mechanism (3), exhaust mechanism (4) and siren (6), wherein:
the gas sensor (2) is fixedly connected to the inner bottom end of the box body (1), the box body (1) is connected with a gas pipeline, a joint of the gas pipeline is located in the box body (1), the box body (1) is connected with a sealing mechanism (3) for sealing a gas inlet and a gas outlet, the box body (1) is connected with a gas exhausting mechanism (4) for exhausting gas in the box body, and the alarm (6) is fixedly connected to the box body (1).
2. The joint leakage-proof alarm device according to claim 1, wherein an anti-corrosion layer is sprayed on the inner wall of the box body (1).
3. The joint leakage prevention alarm device according to claim 1, wherein the sealing mechanism (3) comprises a mounting block (31), an electric telescopic rod (32), a first baffle (33), a connecting rod (34) and a second baffle (35), the mounting block (31) is fixedly connected to the box body (1), the electric telescopic rod (32) is fixedly connected to the mounting block (31), the first baffle (33) is fixedly connected to a telescopic end of the electric telescopic rod (32), the first baffle (33) shields the air inlet, one end of the connecting rod (34) is fixedly connected to the first baffle (33), the other end of the connecting rod (34) is fixedly connected to the second baffle (35), and the second baffle (35) shields the air outlet.
4. A joint leakage prevention warning device according to claim 3, characterized in that the first baffle (33), the connecting rod (34) and the second baffle (35) are of integral construction.
5. The joint leakage prevention alarm device according to claim 1, wherein the exhaust mechanism (4) comprises a motor (41), a rotating shaft (42) and fan blades (43), the motor (41) is fixedly connected to the box body (1), one end of the rotating shaft (42) is fixedly connected to an output end of the motor (41), the other end of the rotating shaft (42) extends into the box body (1), and the other end of the rotating shaft (42) is fixedly connected to the fan blades (43).
6. The joint leakage prevention alarm device according to claim 1, further comprising a guide mechanism (7), wherein the guide mechanism (7) comprises a gas collecting hood (71) and a conduit (72), the gas collecting hood (71) is connected to the gas pipeline, the joint of the gas pipeline is located in the gas collecting hood (71), the conduit (72) is communicated to the bottom end of the gas collecting hood (71), and an outlet of the conduit (72) is arranged towards the direction of the gas sensor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321835475.3U CN220417064U (en) | 2023-07-13 | 2023-07-13 | Leakage-proof alarm device for joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321835475.3U CN220417064U (en) | 2023-07-13 | 2023-07-13 | Leakage-proof alarm device for joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220417064U true CN220417064U (en) | 2024-01-30 |
Family
ID=89660783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321835475.3U Active CN220417064U (en) | 2023-07-13 | 2023-07-13 | Leakage-proof alarm device for joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220417064U (en) |
-
2023
- 2023-07-13 CN CN202321835475.3U patent/CN220417064U/en active Active
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