Gas leakage detection device for natural gas pipeline

Abstract

The utility model relates to the technical field of natural gas monitoring, in particular to a natural gas pipeline gas leakage detection device which comprises shells, a sealing rubber sleeve, a natural gas sensor, an alarm sounder and fixing screws, the shells are of a semi-annular structure, and the two shells are fixed to the connecting position of a natural gas meter and a pipeline through the fixing screws. The two shells are in a ring shape after being connected, sealing rubber sleeves are arranged on the inner sides of the shells, the sealing performance of connection between the shells and a pipeline is enhanced, a natural gas sensor is embedded in the shell on one side, an alarm sounder is connected to the outer side of the shell on the other side, and the natural gas sensor is electrically connected with the alarm sounder. The shell wraps the joint of the natural gas meter and the pipeline, the natural gas sensor can check the joint in real time, when the natural gas sensor detects natural gas leakage at the joint, the alarm sounder can be controlled to make a sound to remind people, and the use safety of natural gas is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas monitoring, in particular to a natural gas pipeline leakage detection device. Background Art

[0002] Natural gas pipelines are an important part of natural gas transmission, and their safety is crucial to protecting people's lives and property. Natural gas meters, also known as gas meters, are instruments used to measure and record natural gas usage. Natural gas meters play an important role in people's daily lives. They allow people who use natural gas or pipeline gas to easily know how much gas they use so that they can pay according to the number of cubic meters of gas consumed each month.

[0003] When the natural gas meter is installed, it is connected to the natural gas pipeline through a connector. During daily use, natural gas leakage is prone to occur at the connection. However, natural gas leakage requires special instruments to detect, and generally, full-time personnel use instruments to conduct on-site inspections regularly. Therefore, natural gas leaks cannot be discovered in time, and safety accidents are prone to occur. Utility Model Content

[0004] In order to overcome the shortcoming that leakage problems cannot be found in time at the connection between the existing natural gas pipeline and the natural gas meter, the technical problem of the utility model is to provide a natural gas pipeline leakage detection device that can detect the connection in real time.

[0005] The technical solution of the utility model is: a natural gas pipeline leakage detection device, including a shell, a sealing rubber sleeve, a natural gas sensor, an alarm sounder and fixing screws, the shell is a semi-annular structure, two shells are fixed at the connection position between the natural gas meter and the pipeline by fixing screws, the two shells are annular after being connected, a sealing rubber sleeve is arranged on the inner side of the shell to enhance the sealing of the connection between the shell and the pipeline, a natural gas sensor is embedded in one side of the shell, an alarm sounder is connected to the outer side of the shell on one side, and the natural gas sensor is electrically connected to the alarm sounder.

[0006] Optionally, it also includes an outer shell, a hinge, a movable shell and an observation window. The outer shell is arranged on the outside of the natural gas meter, and the pipeline runs through the top of the outer shell. The top of the outer shell is rotatably connected to the movable shell through a hinge, and the front side of the movable shell is embedded with an observation window.

[0007] Optionally, a rubber ring is also included. A rubber ring is arranged on the top of the shell and is located at the gap between the shell and the pipe. The rubber ring can fill the gap to prevent foreign objects or small insects from entering the shell.

[0008] Optionally, a handle is also included. The front side of the shell is connected to the handle, and the handle is located below the observation window. The movable shell can be opened conveniently through the handle.

[0009] Optionally, a magnet is also included. The lower rear portion of the movable shell and the lower front portion of the outer shell are both embedded with magnets. The two magnetic suctions cooperate with each other, and the two magnets fix the movable shell on the outer shell.

[0010] Optionally, a partition net is also included. An exhaust groove is opened on the right side of the shell and is connected to the partition net. The partition net corresponds to the exhaust groove. The exhaust groove plays an exhaust role. The partition net prevents small insects from crawling into the shell from the exhaust groove.

[0011] The utility model has the following advantages: the utility model wraps the connection between the natural gas meter and the pipeline through the shell, and the natural gas sensor can perform real-time inspection on the connection. When the natural gas sensor detects a natural gas leakage at the connection, it can control the alarm sounder to make a sound to remind people, thereby improving the safety of natural gas use; the natural gas meter can be protected by the arrangement of the outer shell and the movable shell to prevent oil smoke and dust from adhering to the surface of the natural gas meter, or the service life of the natural gas meter from being affected by the sun and rain. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a three-dimensional structural schematic diagram of the pipeline, exhaust groove and partition net of the utility model.

[0014] Figure 3 The figure is a three-dimensional structural diagram of the natural gas sensor, housing and sealing rubber ring of the utility model.

[0015] Figure 4 The utility model is a schematic diagram of the connection structure of the outer shell, hinge and movable shell.

[0016] In the above drawings: 1: natural gas meter, 101: pipeline, 2: shell, 201: sealing rubber sleeve, 3: natural gas sensor, 4: alarm sounder, 5: fixing screw, 6: shell, 7: hinge, 8: movable shell, 9: observation window, 10: rubber ring, 11: handle, 12: magnet, 13: exhaust groove, 14: partition net. DETAILED DESCRIPTION

[0017] Reference to an embodiment herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0018] A natural gas pipeline leakage detection device, such as Figure 1-3As shown, it includes a shell 2, a sealing rubber sleeve 201, a natural gas sensor 3, an alarm sounder 4 and a fixing screw 5. The shell 2 is a semi-annular structure. The two shells 2 are fixed at the connection position between the natural gas meter 1 and the pipeline 101 by the fixing screws 5. After the two shells 2 are connected, they are annularly wrapped around the connection between the natural gas meter 1 and the pipeline 101. A sealing rubber sleeve 201 is provided on the inner side of the shell 2 to enhance the sealing of the connection between the shell 2 and the pipeline 101. The natural gas sensor 3 is embedded in the front shell 2, and the alarm sounder 4 is connected to the outer side of the front shell 2. The natural gas sensor 3 is electrically connected to the alarm sounder 4.

[0019] like Figure 1 , Figure 2 and Figure 4 As shown, it also includes a shell 6, a hinge 7, a movable shell 8, an observation window 9, a rubber ring 10, a handle 11 and a magnet 12. The outer side of the natural gas meter 1 is provided with a shell 6, and a pipeline 101 passes through the top of the shell 6. The top of the shell 6 is rotatably connected to the movable shell 8 through the hinge 7. The front side of the movable shell 8 is embedded with an observation window 9. A rubber ring 10 is provided on the top of the shell 6. The rubber ring 10 is located at the gap between the shell 6 and the pipeline 101. The rubber ring 10 can fill the gap to prevent foreign matter or small insects from entering the shell 6. A handle 11 is connected to the front side of the shell 6. The handle 11 is located below the observation window 9. The movable shell 8 can be opened conveniently through the handle 11. The lower rear part of the movable shell 8 and the lower front part of the shell 6 are both embedded with magnets 12. The two magnetic suctions cooperate, and the two magnets 12 adsorb and fix the movable shell 8 on the shell 6.

[0020] like Figure 1 and Figure 2 As shown, a partition net 14 is also included. An exhaust groove 13 is opened on the right side of the shell 6 and is connected to the partition net 14. The partition net 14 corresponds to the exhaust groove 13. The exhaust groove 13 plays an exhaust role. The partition net 14 prevents small insects from crawling from the exhaust groove 13 into the shell 6.

[0021] The connection between the natural gas meter 1 and the pipeline 101 is prone to gas leakage. The natural gas sensor 3 can detect it in real time. When a gas leakage occurs, the natural gas sensor 3 controls the alarm sounder 4 to make a sound, thereby reminding people that there is a gas leakage problem in the pipeline 101 and the valve needs to be closed in time. Through the setting of the outer shell 6 and the movable shell 8, the natural gas meter 1 can be protected to a certain extent to prevent the surface of the natural gas meter 1 from being attached to oil smoke, or being exposed to the sun and rain outdoors, and accumulating dust, thereby affecting the service life of the natural gas meter 1. The natural gas meter 1 is also prone to problems and requires frequent maintenance. When the natural gas meter 1 needs to be inspected, the movable shell 8 can be opened by turning the handle 11 upward, and the magnet 12 can adsorb and fix the movable shell 8 on the outer shell 6 to prevent the movable shell 8 from being accidentally opened. People can also directly observe the natural gas usage data on the natural gas meter 1 through the observation window 9, and can directly view it without opening the movable shell 8.

[0022] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A natural gas pipeline leakage detection device, characterized in that: The invention comprises a shell (2), a sealing rubber sleeve (201), a natural gas sensor (3), an alarm sounder (4) and fixing screws (5); the shell (2) is a semi-annular structure; two shells (2) are fixed at the connection position between the natural gas meter (1) and the pipeline (101) by fixing screws (5); the two shells (2) are annular after being connected; a sealing rubber sleeve (201) is arranged on the inner side of the shell (2) to enhance the sealing performance of the connection between the shell (2) and the pipeline (101); a natural gas sensor (3) is embedded in one side of the shell (2); an alarm sounder (4) is connected to the outer side of the shell (2); and the natural gas sensor (3) and the alarm sounder (4) are electrically connected.

2. A natural gas pipeline leakage detection device as claimed in claim 1, characterized in that: The invention also comprises an outer shell (6), a hinge (7), a movable shell (8) and an observation window (9); the outer shell (6) is arranged on the outer side of the natural gas meter (1); the pipeline (101) passes through the top of the outer shell (6); the top of the outer shell (6) is rotatably connected to the movable shell (8) through the hinge (7); and the observation window (9) is embedded in the movable shell (8).

3. A natural gas pipeline leakage detection device as claimed in claim 2, characterized in that: It also includes a rubber ring (10). The top of the outer shell (6) is provided with the rubber ring (10). The rubber ring (10) is located at the gap between the outer shell (6) and the pipe (101).

4. A natural gas pipeline leakage detection device as claimed in claim 2, characterized in that: It also includes a handle (11), the front side of the housing (6) is connected to the handle (11), and the handle (11) is located below the observation window (9).

5. A natural gas pipeline leakage detection device as claimed in claim 2, characterized in that: It also includes a magnet (12), and the movable shell (8) and the outer shell (6) are both embedded with the magnet (12), and the two magnets are adsorbed and matched.

6. A natural gas pipeline leakage detection device as claimed in claim 2, characterized in that: It also includes a partition net (14). An exhaust groove (13) is provided on the side of the shell (6) and is connected to the partition net (14). The partition net (14) corresponds to the exhaust groove (13).

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