Gas pipeline leakage detection device

Abstract

The utility model discloses a gas pipeline leakage detection device which comprises a gas pipeline, a protection assembly is arranged on the outer side of the gas pipeline, a detection assembly is arranged on the top of the protection assembly, a connecting flange is fixedly installed on the end face of the gas pipeline, and sealing gaskets are fixedly installed at the connecting positions of an upper protection frame and a lower protection frame. The detection assembly comprises a gas sensitive sensor, and the gas sensitive sensor is inserted into the protection frame. The gas pipeline leakage detection device relates to the technical field of gas pipeline leakage detection. According to the gas pipeline leakage detection device, the joint of the connecting flange is sealed through the protective frame and the rubber sealing cylinder, so that secondary sealing of the joint of the gas pipeline is realized, and when leakage occurs at the joint of the gas pipeline, secondary sealing can be performed through the external protective frame; therefore, the leaked gas is prevented from leaking to the outside, and a protection function on the leaked gas is realized.

Description

Technical Field

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

[0002] Gas pipeline generally refers to a pipeline system used to transport gas (such as natural gas, coal gas, etc.). It is usually made of metal or plastic and is used to transport gas from production or supply facilities to the point of use. Gas pipeline systems generally include pipes, valves, connectors, etc. to ensure safe, reliable and efficient gas delivery.

[0003] When the gas pipeline is in use, gas leaks are detected by using a gas leak alarm. The parts of the gas pipeline that are prone to leakage are the joints of the gas pipeline. The gas leak alarm can only alarm when the concentration of gas leaked in the air reaches a certain level. Moreover, it only has an alarm function and cannot effectively protect against leaks.

[0004] Therefore, the utility model provides a gas pipeline leakage detection device to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a gas pipeline leakage detection device to solve the above problems.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a gas pipeline leakage detection device, comprising a gas pipeline, a protective component is arranged on the outside of the gas pipeline, a detection component is arranged on the top of the protective component, a connecting flange is fixedly installed on the end face of the gas pipeline, a flange bolt is fixedly installed between the two connecting flanges, the protective component comprises two protective frames, the upper and lower protective frames are sleeved on the outside of the gas pipeline, the connecting flange and the flange bolts are located inside the protective frames, and sealing gaskets are fixedly installed at the connection between the upper and lower protective frames, and the detection component comprises a gas sensor, and the gas sensor is plugged into the inside of the protective frame.

[0007] Preferably, side panels are fixedly mounted on the outer side walls of the protection frame, first bolts are fixedly mounted between upper and lower corresponding side panels, and upper and lower sealing gaskets are fitted to each other.

[0008] By adopting the above technical solution, the connection between the upper and lower protection frames is sealed by a sealing gasket.

[0009] Preferably, rubber sealing cylinders are fixedly mounted on both the left and right sides of the protection frame, the rubber sealing cylinders are semicircular rings, and the upper and lower rubber sealing cylinders form a circular ring and are sleeved on the outside of the gas pipeline.

[0010] By adopting the above technical solution, the connection between the protection frame and the gas pipeline is sealed by the sealing tube.

[0011] Preferably, a fixing hoop is sleeved on the outer side of the rubber sealing cylinder, and a second bolt is fixedly installed between the upper and lower fixing hoops.

[0012] By adopting the above technical solution, the rubber sealing tube is fastened by the fixing hoop, thereby improving the sealing performance of the rubber sealing tube.

[0013] Preferably: a sealing ring is fixedly installed on the outer side of the gas sensor, and the sealing ring is fixedly installed at the connection between the gas sensor and the protective frame.

[0014] By adopting the above technical solution, the connection between the gas sensor and the protection frame is sealed by a sealing ring.

[0015] Preferably, a battery, a single-chip controller and a buzzer are fixedly installed on the top of the protection frame, the battery is electrically connected to the single-chip controller, and the single-chip controller is electrically connected to the gas sensor and the buzzer.

[0016] By adopting the above technical solution, the single chip controller, the gas sensor and the buzzer are powered by the battery.

[0017] Beneficial Effects

[0018] The utility model provides a gas pipeline leakage detection device. Compared with the prior art, it has the following beneficial effects:

[0019] 1. The gas pipeline leakage detection device seals the connection of the connecting flange through a protective frame and a rubber sealing tube, thereby realizing secondary sealing of the connection of the gas pipeline. When the connection of the gas pipeline leaks, secondary sealing can be performed through the external protective frame to ensure that the leaked gas will not leak to the outside, thereby realizing the protection function of leaking gas.

[0020] 2. The gas pipeline leakage detection device can detect the concentration of gas inside the protection frame through the gas sensor. When the gas leaks at the connection, the internal concentration increases. The data detected by the gas sensor is transmitted to the inside of the single-chip controller, and the buzzer is started by the single-chip controller. The buzzer starts to alarm, thereby achieving protection against leaking gas and alarming when gas leaks. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0023] Figure 2 It is a cross-sectional view of the internal structure of the utility model;

[0024] Figure 3 It is a side structural stereogram of the utility model;

[0025] Figure 4 It is a three-dimensional diagram of the disassembled structure of the protection component of the utility model.

[0026] In the figure: 1. gas pipeline; 2. protection component; 21. protection frame; 22. side panel; 23. first bolt; 24. sealing gasket; 25. rubber sealing tube; 26. fixing hoop; 27. second bolt; 3. detection component; 31. battery; 32. gas sensor; 33. single chip controller; 34. buzzer; 35. sealing ring; 4. connecting flange; 5. flange bolt. DETAILED DESCRIPTION

[0027] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0028] The present application is further described in detail below through drawings and examples.

[0029] Reference Figures 1 to 4The embodiment of the present application provides a gas pipeline leakage detection device, including a gas pipeline 1, a protective component 2 is arranged on the outside of the gas pipeline 1, a detection component 3 is arranged on the top of the protective component 2, a connecting flange 4 is fixedly installed on the end face of the gas pipeline 1, a flange bolt 5 is fixedly installed between the two connecting flanges 4, the protective component 2 includes two protective frames 21, the upper and lower protective frames 21 are sleeved on the outside of the gas pipeline 1, the connecting flange 4 and the flange bolt 5 are located inside the protective frame 21, and a sealing gasket 24 is fixedly installed at the connection between the upper and lower protective frames 21. The detection component 3 includes a gas sensor 32, and the gas sensor 32 is plugged into the inside of the protective frame 21.

[0030] The outer wall of the protection frame 21 is fixedly installed with a side panel 22, and a first bolt 23 is fixedly installed between the upper and lower corresponding side panels 22, and the upper and lower sealing gaskets 24 are fitted with each other. The left and right sides of the protection frame 21 are fixedly installed with a rubber sealing cylinder 25, which is a semicircular ring. The upper and lower rubber sealing cylinders 25 form a ring and are sleeved on the outer side of the gas pipeline 1. The outer side of the rubber sealing cylinder 25 is sleeved with a fixing hoop 26, and a second bolt 27 is fixedly installed between the upper and lower fixing hoops 26.

[0031] In this embodiment, the upper and lower protection frames 21 are buckled on the outside of the connection between the two connecting flanges 4 of the gas pipeline 1. After buckling, the first bolts 23 are installed between the corresponding side panels 22 to fix the protection frame 21 through the first bolts 23. After fixation, the connection of the protection frame 21 is sealed by the sealing gasket 24. When installing the protection frame 21, the rubber sealing tube 25 is buckled on the outside of the gas pipeline 1, and the fixing hoop 26 is put on the outside of the rubber sealing tube 25 and fixed by the second bolt 27, so as to complete the sealing of the connection between the protection frame 21 and the gas pipeline 1. The connection of the connecting flange 4 is sealed by the protection frame 21 and the rubber sealing tube 25, so as to achieve secondary sealing of the connection of the gas pipeline 1. When the connection of the gas pipeline 1 leaks, it can be secondary sealed by the external protection frame 21, so as to ensure that the leaked gas will not leak to the outside, thereby achieving the protection function of leaking gas.

[0032] Reference Figures 1 to 4 In one aspect of this embodiment, a sealing ring 35 is fixedly installed on the outer side of the gas sensor 32 , and the sealing ring 35 is fixedly installed at the connection between the gas sensor 32 and the protective frame 21 .

[0033] A battery 31 , a single-chip controller 33 and a buzzer 34 are fixedly mounted on the top of the protection frame 21 . The battery 31 is electrically connected to the single-chip controller 33 , and the single-chip controller 33 is electrically connected to the gas sensor 32 and the buzzer 34 .

[0034] In this embodiment, the concentration of the gas inside the protection frame 21 can be detected by the gas sensor 32. When the gas leaks at the connection, the internal concentration increases, and the data detected by the gas sensor 32 is transmitted to the inside of the single-chip controller 33. The buzzer 34 is started by the single-chip controller 33, and the buzzer 34 starts to alarm, thereby realizing protection against leaking gas and alarming when the gas leaks; the battery 31 supplies power to the single-chip controller 33, the gas sensor 32 and the buzzer 34; when the gas sensor 32 is working, it converts the type of gas and its concentration-related information into electrical signals, and according to the strength of these electrical signals, information related to the presence of the gas to be tested in the environment can be obtained, so that detection and monitoring can be performed; the single-chip controller 33 can receive and process the signal transmitted from the gas sensor 32. Through the pre-set program of the single-chip controller 33, when the gas sensor 32 detects that the concentration of the gas reaches a certain value, the single-chip controller 33 starts the buzzer 34 through the pre-set program to realize the alarm.

[0035] Working principle: buckle the upper and lower protection frames 21 on the outside of the connection of the two connecting flanges 4 of the gas pipeline 1. After buckling, install the first bolt 23 between the corresponding side panels 22 to fix the protection frame 21 through the first bolt 23. After fixing, seal the connection of the protection frame 21 through the sealing gasket 24. When installing the protection frame 21, the rubber sealing tube 25 is buckled on the outside of the gas pipeline 1, and the fixing hoop 26 is put on the outside of the rubber sealing tube 25 and fixed by the second bolt 27, so as to complete the sealing of the connection between the protection frame 21 and the gas pipeline 1. The connection of the connecting flange 4 is sealed by the protection frame 21 and the rubber sealing tube 25. The gas pipeline 1 is sealed by sealing, thereby realizing secondary sealing of the connection of the gas pipeline 1, so that when the connection of the gas pipeline 1 leaks, it can be sealed by the external protective frame 21 for secondary sealing, thereby ensuring that the leaked gas will not leak to the outside, realizing the protection function of leaked gas; the concentration of the gas inside the protective frame 21 can be detected by the gas sensor 32. When the gas leaks at the connection, the internal concentration increases, and the data detected by the gas sensor 32 is transmitted to the inside of the single-chip controller 33, and the buzzer 34 is started by the single-chip controller 33, and the buzzer 34 is started to alarm, thereby realizing the protection of leaked gas and being able to alarm when the gas leaks.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas pipeline leakage detection device, comprising a gas pipeline (1), characterized in that: A protection component (2) is arranged on the outside of the gas pipeline (1), a detection component (3) is arranged on the top of the protection component (2), a connection flange (4) is fixedly installed on the end surface of the gas pipeline (1), a flange bolt (5) is fixedly installed between the two connection flanges (4), the protection component (2) comprises two protection frames (21), the upper and lower protection frames (21) are sleeved on the outside of the gas pipeline (1), the connection flange (4) and the flange bolt (5) are located inside the protection frames (21), and the connection between the upper and lower protection frames (21) is A sealing gasket (24) is fixedly installed, the detection component (3) includes a gas sensor (32), the gas sensor (32) is plugged into the inside of the protection frame (21), and rubber sealing tubes (25) are fixedly installed on both the left and right sides of the protection frame (21), the rubber sealing tube (25) is a semicircular ring, and the upper and lower rubber sealing tubes (25) form a circular ring and are sleeved on the outside of the gas pipeline (1), and the outer side of the rubber sealing tube (25) is sleeved with a fixing hoop (26), and a second bolt (27) is fixedly installed between the upper and lower fixing hoops (26).

2. A gas pipeline leakage detection device according to claim 1, characterized in that: The outer side walls of the protection frame (21) are fixedly mounted with side panels (22), first bolts (23) are fixedly mounted between upper and lower corresponding side panels (22), and upper and lower sealing gaskets (24) are fitted to each other.

3. A gas pipeline leakage detection device according to claim 1, characterized in that: A sealing ring (35) is fixedly mounted on the outer side of the gas sensor (32), and the sealing ring (35) is fixedly mounted at the connection between the gas sensor (32) and the protection frame (21).

4. A gas pipeline leakage detection device according to claim 1, characterized in that: A storage battery (31), a single-chip microcomputer controller (33) and a buzzer (34) are fixedly mounted on the top of the protection frame (21); the storage battery (31) is electrically connected to the single-chip microcomputer controller (33); and the single-chip microcomputer controller (33) is electrically connected to the gas sensor (32) and the buzzer (34).

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