Buried medium and low pressure gas pipeline leakage monitoring device

Abstract

The utility model discloses a buried medium and low pressure gas pipeline leakage monitoring device, which relates to the technical field of gas pipeline monitoring, and comprises a monitoring pipe body, two ends of the monitoring pipe body are fixedly connected with a gas inlet pipe and a gas outlet pipe respectively, one ends of the gas inlet pipe and the gas outlet pipe, which are far away from each other, are fixedly connected with connecting pipes, and the connecting pipes are connected with the gas inlet pipe and the gas outlet pipe respectively. A monitoring assembly is arranged above the monitoring pipe body, the monitoring assembly comprises a monitoring device body, and a heat dissipation device is arranged below the monitoring device body. By arranging the monitoring assembly, the pressure condition in the pipeline can be monitored, and whether natural gas leaks from the pipeline or not can be found conveniently; and a heat dissipation device is arranged, so that heat generated when the monitoring device body works can be timely and effectively discharged, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipeline monitoring, in particular to a buried medium and low pressure gas pipeline leakage monitoring device. Background Art

[0002] In the urban gas supply system, the safe operation of medium and low pressure gas pipelines is of vital importance. Leakage monitoring is a key link in ensuring pipeline safety, which can prevent serious accidents such as fire and explosion caused by gas leakage, as well as environmental pollution and waste of resources. In order to ensure the safe operation of pipelines, pressure measuring devices are usually used for segmented monitoring of medium and low pressure natural gas pipelines. The operating pressure and temperature can be monitored, and the device can be used to detect whether there is natural gas leakage in the pipeline. In daily production operation, the safety factor of pipeline operation is greatly improved, and the pipeline operation status can be grasped in real time, which plays a great role in pipeline safety.

[0003] Traditional leakage monitoring methods may have problems such as low detection efficiency, long response time, and limited monitoring range. Especially in complex geographical environments, monitoring is more difficult. Secondly, the existing pressure measuring devices have poor heat dissipation capabilities, which makes it difficult to promptly and effectively discharge the heat generated during work during actual use, affecting the service life of underground medium and low-pressure gas pipeline leakage monitoring devices. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an underground medium and low pressure gas pipeline leakage monitoring device. By setting up a monitoring component, it is possible to monitor the pressure conditions inside the pipeline, thereby facilitating the detection of natural gas leakage in the pipeline. A heat dissipation device is provided to timely and effectively discharge the heat generated by the monitoring device body during operation, thereby extending the service life of the device.

[0005] The utility model also provides a buried medium and low pressure gas pipeline leakage monitoring device, comprising: a monitoring pipe body, both ends of the monitoring pipe body are respectively fixedly connected to an inlet pipe and an outlet pipe, and the ends of the inlet pipe and the outlet pipe that are far away from each other are fixedly connected to a connecting pipe, and a monitoring component is arranged above the monitoring pipe body;

[0006] The monitoring assembly includes a monitoring device body, a protective tube is fixedly connected to one side of the monitoring device body, a telescopic tube is slidably connected to the inner wall of one side of the protective tube, the end of the telescopic tube away from the protective tube is fixedly connected to the outer wall of the monitoring tube body, a display screen is arranged above the monitoring device body, an operation button is arranged above the monitoring device body, a conduction line is fixedly connected to one side of the monitoring device body, one end of the conduction line is fixedly connected to a pressure detector, and a heat dissipation device is arranged below the monitoring device body. By setting up the monitoring assembly, the pressure inside the pipeline can be monitored, which is convenient for finding whether there is natural gas leakage in the pipeline; the heat dissipation device is arranged to timely and effectively discharge the heat generated by the monitoring device body when it is working, thereby extending the service life of the device.

[0007] According to the underground medium and low pressure gas pipeline leakage monitoring device, the heat dissipation device includes a heat dissipation shell fixedly connected to the bottom of the monitoring device body, the inner bottom wall of the heat dissipation shell is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, the outer side wall of the rotating shaft is fixedly connected to fan blades, and heat dissipation holes are arranged below the heat dissipation shell.

[0008] According to the underground medium and low pressure gas pipeline leakage monitoring device, the conductive wire runs through the inner walls of the protective tube and the telescopic tube, the conductive wire runs through the monitoring tube body away from the monitoring device body, and the pressure detector is fixedly connected to the inner wall of the monitoring tube body.

[0009] According to the underground medium and low pressure gas pipeline leakage monitoring device, the protection tube and the telescopic tube are made of a corrosion-resistant, high temperature-resistant and high-strength material.

[0010] According to the underground medium and low pressure gas pipeline leakage monitoring device, there are multiple heat dissipation holes, and the multiple heat dissipation holes are evenly distributed on the lower end surface of the heat dissipation shell.

[0011] According to the underground medium and low pressure gas pipeline leakage monitoring device, four support columns are fixedly connected to the bottom of the monitoring device body, and a temperature detector is fixedly connected to the inner wall of the monitoring device body.

[0012] According to the underground medium and low pressure gas pipeline leakage monitoring device, the connecting pipe is a flange, and a sealing gasket is provided on one side of the connecting pipe.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a stereoscopic diagram of a buried medium and low pressure gas pipeline leakage monitoring device from a front angle according to the utility model;

[0016] Figure 2 It is a stereoscopic diagram from the bottom perspective of a buried medium and low pressure gas pipeline leakage monitoring device of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of a heat dissipation device of an underground medium and low pressure gas pipeline leakage monitoring device of the utility model;

[0018] Figure 4 The utility model is a structural diagram of a buried medium and low pressure gas pipeline leakage monitoring device from a side angle.

[0019] Legend:

[0020] 1. Monitoring tube body; 101. Air inlet pipe; 102. Air outlet pipe; 103. Connecting pipe; 2. Monitoring assembly; 201. Monitoring device body; 202. Protective tube; 203. Telescopic tube; 204. Display screen; 205. Operation button; 206. Conducting wire; 207. Pressure detector; 3. Heat dissipation device; 301. Heat dissipation shell; 302. Motor; 303. Rotating shaft; 304. Fan blade; 305. Heat dissipation hole; 2011. Support column; 2012. Temperature detector. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a buried medium and low pressure gas pipeline leakage monitoring device, which includes: a monitoring pipe body 1, the two ends of the monitoring pipe body 1 are respectively fixedly connected with an inlet pipe 101 and an outlet pipe 102, the ends of the inlet pipe 101 and the outlet pipe 102 that are far away from each other are fixedly connected with a connecting pipe 103, the connecting pipe 103 is a flange, and a sealing gasket is arranged on one side of the connecting pipe 103, and a monitoring component 2 is arranged above the monitoring pipe body 1;

[0023] The monitoring assembly 2 includes a monitoring device body 201, four support columns 2011 are fixedly connected to the bottom of the monitoring device body 201, a temperature detector 2012 is fixedly connected to the inner wall of the monitoring device body 201, a protective tube 202 is fixedly connected to one side of the monitoring device body 201, and a telescopic tube 203 is slidably connected to the inner wall of one side of the protective tube 202. The protective tube 202 and the telescopic tube 203 are made of a corrosion-resistant, high-temperature-resistant and high-strength material. The telescopic tube 203 allows the position of the protective tube 202 to be adjusted to a certain extent to adapt to different installation environments. The telescopic tube 203 is away from the protective tube 202. The end is fixedly connected to the outer wall of the monitoring tube body 1, a display screen 204 is arranged above the monitoring device body 201, an operation button 205 is arranged above the monitoring device body 201, a conduction line 206 is fixedly connected to one side of the monitoring device body 201, the conduction line 206 passes through the inner walls of the protective tube 202 and the telescopic tube 203, the conduction line 206 passes through the monitoring tube body 1 away from the monitoring device body 201, and a pressure detector 207 is fixedly connected to the inner wall of the monitoring tube body 1, one end of the conduction line 206 is fixedly connected to the pressure detector 207, and a heat dissipation device 3 is arranged below the monitoring device body 201.

[0024] The heat dissipation device 3 includes a heat dissipation shell 301 fixedly connected to the bottom of the monitoring device body 201, a motor 302 is fixedly connected to the inner bottom wall of the heat dissipation shell 301, a rotating shaft 303 is fixedly connected to the output end of the motor 302, a fan blade 304 is fixedly connected to the outer wall of the rotating shaft 303, and a heat dissipation hole 305 is arranged below the heat dissipation shell 301. There are multiple heat dissipation holes 305, and the multiple heat dissipation holes 305 are evenly distributed on the lower end surface of the heat dissipation shell 301. By setting up the monitoring component 2, the pressure inside the pipeline can be monitored, which is convenient for finding whether there is natural gas leakage in the pipeline; the heat dissipation device 3 is set up, which can timely and effectively discharge the heat generated by the monitoring device body 201 when it is working, thereby extending the service life of the device.

[0025] Working principle: When used for the first time, the air inlet pipe 101 and the air outlet pipe 102 at both ends of the monitoring tube body 1 are connected to the gas pipeline through the connecting pipe 103 to ensure that the air inlet pipe 101 and the air outlet pipe 102 can be sealed and connected to the pipeline. During the monitoring process, the pressure change of the inner wall of the pipeline is monitored by the pressure detector 207 to detect whether there is natural gas leakage in the pipeline. The detected data is transmitted to the monitoring device body 201 through the conduction line 206 for easy viewing by the staff. At the same time, the protective tube 202 and the telescopic tube 203 on the outside of the conduction line 206 protect the conduction line 206 to prevent the conduction line 206 from being damaged. When the temperature monitor 2012 detects that the internal temperature of the monitoring device body 201 is too high, the motor 302 can be started to output the shaft 303 to drive the fan blades 304 to generate airflow, and the heat is discharged through the heat dissipation holes 305, thereby maintaining a suitable working temperature of the monitoring device body 201.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A buried medium and low pressure gas pipeline leakage monitoring device, comprising: A monitoring tube body (1), characterized in that two ends of the monitoring tube body (1) are respectively fixedly connected to an air inlet pipe (101) and an air outlet pipe (102), and ends of the air inlet pipe (101) and the air outlet pipe (102) that are away from each other are fixedly connected to a connecting pipe (103), and a monitoring component (2) is arranged above the monitoring tube body (1); The monitoring assembly (2) comprises a monitoring device body (201), one side of the monitoring device body (201) is fixedly connected to a protective tube (202), one side inner wall of the protective tube (202) is slidably connected to a telescopic tube (203), one end of the telescopic tube (203) away from the protective tube (202) is fixedly connected to the outer wall of the monitoring tube body (1), a display screen (204) is arranged above the monitoring device body (201), an operation button (205) is arranged above the monitoring device body (201), one side of the monitoring device body (201) is fixedly connected to a conductive wire (206), one end of the conductive wire (206) is fixedly connected to a pressure detector (207), and a heat dissipation device (3) is arranged below the monitoring device body (201).

2. The underground medium and low pressure gas pipeline leakage monitoring device according to claim 1 is characterized in that: The heat dissipation device (3) comprises a heat dissipation shell (301) fixedly connected to the bottom of the monitoring device body (201); a motor (302) is fixedly connected to the inner bottom wall of the heat dissipation shell (301); a rotating shaft (303) is fixedly connected to the output end of the motor (302); a fan blade (304) is fixedly connected to the outer side wall of the rotating shaft (303); and a heat dissipation hole (305) is arranged at the bottom of the heat dissipation shell (301).

3. The underground medium and low pressure gas pipeline leakage monitoring device according to claim 1 is characterized in that: The conductive line (206) passes through the inner walls of the protective tube (202) and the telescopic tube (203), the conductive line (206) passes through the monitoring tube body (1) away from the monitoring device body (201), and the pressure detector (207) is fixedly connected to the inner wall of the monitoring tube body (1).

4. The underground medium and low pressure gas pipeline leakage monitoring device according to claim 1 is characterized in that: The protection tube (202) and the telescopic tube (203) are made of a corrosion-resistant, high-temperature-resistant and high-strength material.

5. The underground medium and low pressure gas pipeline leakage monitoring device according to claim 2 is characterized in that: There are multiple heat dissipation holes (305), and the multiple heat dissipation holes (305) are evenly distributed on the lower end surface of the heat dissipation shell (301).

6. The underground medium and low pressure gas pipeline leakage monitoring device according to claim 1 is characterized in that: Four support columns (2011) are fixedly connected to the bottom of the monitoring device body (201), and a temperature detector (2012) is fixedly connected to the inner wall of the monitoring device body (201).

7. The underground medium and low pressure gas pipeline leakage monitoring device according to claim 1 is characterized in that: The connecting pipe (103) is a flange, and a sealing gasket is provided on one side of the connecting pipe (103).

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