Pipeline early warning positioning device using sensing optical cable

Through the combined installation of sensor optical cables and partition plates, the monitoring blank area problem caused by sensor interval installation in the gas pipeline early warning system is solved, and efficient positioning and accurate monitoring of gas pipeline leakage is achieved.

CN223228285UActive Publication Date: 2025-08-15GUANGZHOU BEAM INFORMATION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422463306.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-08-15
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

In the existing gas pipeline early warning system, the installation of sensor intervals causes blank areas to be monitored, making it difficult to accurately locate the leakage location.

Method used

The combination of sensor optical cables and partition plates is used to connect the temperature sensor optical cables to the early warning system, so as to achieve equal length laying, reduce monitoring blank areas, and improve the convenience and stability of the device through fixing and adjusting components.

Benefits of technology

It improves the accuracy of gas pipeline leakage monitoring and installation convenience, reduces the impact of external vibration on pipelines and sensors, and enhances the accuracy of positioning.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223228285U_ABST
    Figure CN223228285U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of gas pipeline early warning, and particularly relates to a pipeline early warning positioning device using a sensing optical cable, which comprises a first outer pipeline. A second outer pipeline is hinged to the bottom of the first outer pipeline; the tops of the first outer pipeline and the second outer pipeline are fixed through bolts; a fixing assembly is arranged on the inner side wall of the first outer pipeline; the inner side wall of the first outer pipeline is connected with a gas pipeline through a fixing assembly. According to the step, through the arrangement of the first outer pipeline, the second outer pipeline, the temperature sensing optical cable and the partition plate, when the gas pipeline leaks and is heated, the temperature is converted and transmitted into the early warning system assembly through the temperature sensing optical cable, the leakage position is determined after analysis, and the gas pipeline and the temperature sensing optical cable are laid at the same length; monitoring blank areas of the pipeline are reduced, monitoring accuracy is improved, the first outer pipeline and the second outer pipeline are installed in a combined mode, and convenience of pipeline or optical cable installation is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of gas pipeline early warning, in particular to a pipeline early warning positioning device utilizing a sensor optical cable. Background Art

[0002] Gas pipeline early warning is achieved by installing high-precision pressure sensors and temperature sensors to collect and analyze pipeline data to ensure that the pressure and temperature of the gas are within a safe range during transportation.

[0003] In the gas pipeline early warning system, when a gas leak occurs, the location of the leak needs to be located. The early warning system locates the leak point by integrating multiple leak detection technologies and positioning algorithms, providing maintenance personnel with accurate location information, thereby improving maintenance efficiency. In the existing gas pipeline early warning positioning technology, temperature or pressure sensors are usually installed near the pipeline to detect the pipeline. The sensors need to be installed at a distance, which means that multiple sensors are required for pipeline detection, and blank monitoring areas may appear between sensors.

[0004] To this end, the utility model provides a pipeline early warning and positioning device using a sensor optical cable. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The utility model solves the technical problem thereof by adopting the following technical solution: a pipeline early warning and positioning device using a sensing optical cable according to the utility model comprises a first outer pipe; a second outer pipe is hingedly connected to the bottom of the first outer pipe; the first outer pipe and the second outer pipe are fixed to each other at the top by bolts; a fixing assembly is provided on the inner side wall of the first outer pipe; the inner side wall of the first outer pipe is connected to a gas pipe via the fixing assembly; an adjustment assembly is provided on the inner side wall of the second outer pipe; a temperature sensing optical cable is connected to the inner side wall of the second outer pipe via the adjustment assembly; a partition is provided between the first outer pipe and the second outer pipe; a vent is provided in the middle of the partition; the temperature sensing optical cable is connected to an early warning system component; in this step, through the arrangement of the first outer pipe, the second outer pipe, the temperature sensing optical cable, and the partition, when a gas pipeline leaks and the temperature rises, the temperature is converted and transmitted to the early warning system component through the temperature sensing optical cable, and the leak location is determined after analysis. The gas pipeline and the temperature sensing optical cable are laid out in equal lengths, thereby reducing the occurrence of monitoring blank areas in the pipeline and improving the accuracy of monitoring. The first outer pipe and the second outer pipe are installed in a combined manner, thereby improving the convenience of installing the pipeline or optical cable.

[0007] Preferably, the fixing assembly includes a fixing bracket, a buckle, a push rod, a pressure spring, and a pad; the fixing bracket is fixedly connected to the inner side wall of the first outer pipe; the fixing bracket is provided with multiple groups on the inner side wall of the first outer pipe and are evenly distributed on the inner side wall; the buckle is connected to the fixing bracket by a fixing bolt; the push rod slides on the fixing bracket and the middle of the buckle respectively; the push rod is provided with multiple groups in the middle of the fixing bracket and the buckle and is evenly distributed in the middle of the fixing bracket and the buckle; one end of the pressure spring is fixedly connected to the end of the push rod; the other ends of the multiple groups of pressure springs are fixedly connected to the fixing bracket and the inside of the buckle respectively; the pad is fixedly connected to the end of the push rod away from the pressure spring; the gas pipeline passes through the fixing bracket and the middle of the buckle; the outer side wall of the gas pipeline contacts the pad; this step fixes the gas pipeline between the fixing bracket and the buckle through the arrangement of the push rod, the pressure spring, and the pad, thereby improving the adaptability to the gas pipeline, increasing the stability of the gas pipeline fixation, increasing the contact area between the push rod and the gas pipeline, and reducing the impact of external vibration on the gas pipeline.

[0008] Preferably, the adjustment assembly includes a first telescopic rod, a second telescopic rod, and a fixing ring; the first telescopic rod is hinged to the inner wall of the second outer pipe; multiple groups of the first telescopic rods are arranged on the inner wall of the second outer pipe, and are evenly distributed on the inner wall of the second outer pipe; the fixing ring is hinged at the end of the first telescopic rod away from the second outer pipe; the second telescopic rod is hinged at the outer wall of the fixing ring close to the first telescopic rod; the other end of the second telescopic rod is hinged to the inner wall of the second outer pipe; the temperature sensing optical cable passes through the middle of the fixing ring; in this step, the temperature sensing optical cable is adjusted to a suitable position to monitor the gas pipeline through the arrangement of the first telescopic rod, the second telescopic rod, and the fixing ring, thereby improving the adjustability of the device during use.

[0009] Preferably, the fixing frame and the inner side wall of the buckle are respectively provided with a rubber ring; the rubber ring is arranged in a pair on the inner side wall of the fixing frame and is symmetrically arranged; this step reduces the collision of the gas pipeline on the fixing frame through the arrangement of the rubber ring, improves the safety of the gas pipeline in use, and reduces the damage caused by collision to the gas pipeline.

[0010] Preferably, a rubber pad is fixedly connected to the inner side of the fixing ring; the rubber pads are arranged in multiple groups on the inner side wall of the fixing ring and are evenly distributed on the inner side wall of the fixing ring; this step improves the stability of the temperature sensing optical cable in the fixing ring through the arrangement of the rubber pads, reduces the sliding of the temperature sensing optical cable in the fixing ring, and weakens the influence of external vibration on the temperature sensing optical cable.

[0011] Preferably, the outer side walls of the first outer pipe and the second outer pipe are respectively provided with a thermal insulation cover; the thermal insulation cover is made of thermal insulation material; in this step, the first outer pipe and the second outer pipe are wrapped by the setting of the thermal insulation cover, thereby reducing the impact of the external temperature on the gas pipe and the temperature sensing optical cable, and improving the accuracy of monitoring.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model describes a pipeline early warning and positioning device using a sensing optical cable. Through the arrangement of a first outer pipeline, a second outer pipeline, a temperature sensing optical cable, and a partition plate, when a gas pipeline leaks and the temperature rises, the temperature is converted and transmitted to the early warning system component through the temperature sensing optical cable, and the leakage location is determined after analysis. The gas pipeline and the temperature sensing optical cable are laid with equal lengths to reduce the occurrence of monitoring blank areas in the pipeline and improve the accuracy of monitoring. The first outer pipeline and the second outer pipeline are installed in combination to improve the convenience of installing pipelines or optical cables.

[0014] 2. The utility model describes a pipeline early warning and positioning device using a sensor optical cable, which fixes the gas pipeline between the fixing frame and the buckle through the setting of a push rod, a pressure spring, and a pad, thereby improving the adaptability to the gas pipeline, increasing the stability of the gas pipeline fixation, increasing the contact area between the push rod and the gas pipeline, and reducing the impact of external vibration on the gas pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the cooperation between the fixing frame and the first outer pipe in the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the telescopic rod and the second outer pipe in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the cooperation between the ejector rod and the fixing frame in the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the fixing ring and the temperature sensing optical cable in the utility model;

[0021] In the figure: 1. First outer pipe; 11. Second outer pipe; 12. Gas pipe; 13. Temperature sensing cable; 14. Partition plate; 2. Fixing frame; 21. Buckle; 22. Push rod; 23. Pressure spring; 24. Spacer; 3. First telescopic rod; 31. Second telescopic rod; 32. Fixing ring; 4. Rubber ring; 5. Rubber pad; 6. Insulation cover. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 As shown, a pipeline early warning and positioning device using a sensing optical cable described in an embodiment of the present invention includes a first outer pipe 1; a second outer pipe 11 is hingedly connected to the bottom of the first outer pipe 1; the first outer pipe 1 and the second outer pipe 11 are fixed at the top by bolts; the inner wall of the first outer pipe 1 is provided with a fixing component; the inner wall of the first outer pipe 1 is connected to a gas pipe 12 through the fixing component; the inner wall of the second outer pipe 11 is provided with an adjusting component; the inner wall of the second outer pipe 11 is connected to a temperature sensing optical cable 13 through the adjusting component; a partition plate 14 is provided between the first outer pipe 1 and the second outer pipe 11; an air vent is provided in the middle of the partition plate 14; the temperature sensing optical cable 13 is connected to the early warning system component; during operation, the gas pipe 12 is fixed in the first outer pipe 1, the temperature sensing optical cable 13 is fixed in the second outer pipe 11 through the adjusting component and the temperature sensing optical cable 13 is adjusted to a suitable position, and the partition plate 1 4 is provided with an air vent in the middle, and a partition plate 14 separates the gas pipeline 12 and the temperature sensing optical cable 13. When the gas pipeline 12 leaks and the temperature rises, the temperature will be transmitted to the temperature sensing optical cable 13 through the partition plate 14. When the temperature sensing optical cable 13 shows an abnormality, it will be transmitted to the early warning system component. The early warning system component analyzes the data and locates the abnormal position. The temperature sensing optical cable 13 and the gas pipeline 12 are laid with equal lengths. This step is achieved through the arrangement of the first outer pipeline 1, the second outer pipeline 11, the temperature sensing optical cable 13, and the partition plate 14. When the gas pipeline 12 leaks and the temperature rises, the temperature is transmitted to the early warning system component through the conversion of the temperature sensing optical cable 13. After analysis, the leakage position is determined. The gas pipeline 12 and the temperature sensing optical cable 13 are laid with equal lengths, which reduces the occurrence of monitoring blank areas in the pipeline and improves the accuracy of monitoring. The first outer pipeline 1 and the second outer pipeline 11 are installed in combination, which improves the convenience of installing pipelines or optical cables.

[0024] like Figure 2 and Figure 4As shown, the fixing assembly includes a fixing frame 2, a buckle 21, a push rod 22, a pressure spring 23, and a pad 24; the fixing frame 2 is fixedly connected to the inner side wall of the first outer pipe 1; the fixing frame 2 is provided in multiple groups on the inner side wall of the first outer pipe 1, and is evenly distributed on the inner side wall; the buckle 21 is connected to the fixing frame 2 by a fixing bolt; the push rod 22 slides in the middle of the fixing frame 2 and the buckle 21 respectively; the push rod 22 is provided in multiple groups in the middle of the fixing frame 2 and the buckle 21, and is evenly distributed in the middle of the fixing frame 2 and the buckle 21; one end of the pressure spring 23 is fixedly connected to the end of the push rod 22; the other ends of the multiple groups of pressure springs 23 are fixedly connected to the fixing frame 2 and the inside of the buckle 21 respectively; the pad 24 is fixedly connected to the end of the push rod 22 away from the pressure spring 23 ; The gas pipe 12 passes through the fixing frame 2 and the middle of the buckle 21; the outer wall of the gas pipe 12 contacts the pad 24; during operation, the gas pipe 12 passes through the fixing frame 2 and the buckle 21, and the outer wall of the gas pipe 12 contacts the pad 24, and the pressure spring 23 pushes the push rod 22 and the pad 24 to move toward the gas pipe 12, and fixes the gas pipe 12 to the side wall of the first outer pipe 1, which can adapt to gas pipes 12 of different sizes; this step fixes the gas pipe 12 between the fixing frame 2 and the buckle 21 through the setting of the push rod 22, the pressure spring 23, and the pad 24, thereby improving the adaptability of the gas pipe 12, increasing the stability of the fixation of the gas pipe 12, increasing the contact area between the push rod 22 and the gas pipe 12, and reducing the impact of external vibration on the gas pipe 12.

[0025] like Figure 3 As shown, the adjustment assembly includes a first telescopic rod 3, a second telescopic rod 31, and a fixing ring 32; the first telescopic rod 3 is hinged to the inner wall of the second outer pipe 11; multiple groups of the first telescopic rods 3 are arranged on the inner wall of the second outer pipe 11, and are evenly distributed on the inner wall of the second outer pipe 11; the fixing ring 32 is hinged to the end of the first telescopic rod 3 away from the second outer pipe 11; the second telescopic rod 31 is hinged to the outer wall of the fixing ring 32 close to the first telescopic rod 3; the other end of the second telescopic rod 31 is hinged to the inner wall of the second outer pipe 11; the temperature sensor The cable 13 passes through the middle of the fixing ring 32; during operation, the temperature sensing optical cable 13 passes through the fixing ring 32, and the temperature sensing optical cable 13 is fixed to the inner wall of the second outer pipe 11. The position of the temperature sensing optical cable 13 is adjusted by the first telescopic rod 3 and the second telescopic rod 31, so that the temperature sensing optical cable 13 is placed in a suitable position to monitor the gas pipeline 12; this step adjusts the temperature sensing optical cable 13 to a suitable position to monitor the gas pipeline 12 through the arrangement of the first telescopic rod 3, the second telescopic rod 31, and the fixing ring 32, thereby improving the adjustability of the device when in use.

[0026] like Figure 4As shown, the inner walls of the fixing frame 2 and the buckle 21 are respectively provided with a rubber ring 4; a pair of the rubber rings 4 are provided on the inner wall of the fixing frame 2 and are symmetrically arranged; during operation, the rubber rings 4 are fixed to the inner walls of the fixing frame 2 and the buckle 21, and when the gas pipeline 12 vibrates, the rubber rings 4 reduce the collision of the gas pipeline 12 on the fixing frame 2; this step reduces the collision of the gas pipeline 12 on the fixing frame 2 by the provision of the rubber rings 4, thereby improving the safety of the use of the gas pipeline 12 and reducing the damage caused by the collision of the gas pipeline 12.

[0027] like Figure 3 As shown, a rubber pad 5 is fixedly connected to the inner side of the fixing ring 32; multiple groups of rubber pads 5 are arranged on the inner wall of the fixing ring 32 and are evenly distributed on the inner wall of the fixing ring 32; during operation, when the temperature sensing optical cable 13 is fixed in the middle of the fixing ring 32, the rubber pad 5 contacts the outer wall of the temperature sensing optical cable 13, clamping the temperature sensing optical cable 13 in the fixing ring 32, thereby increasing the contact area between the temperature sensing optical cable 13 and the fixing ring 32; this step improves the stability of the temperature sensing optical cable 13 in the fixing ring 32 through the provision of the rubber pad 5, reduces the sliding of the temperature sensing optical cable 13 in the fixing ring 32, and weakens the influence of external vibration on the temperature sensing optical cable 13.

[0028] like Figure 1 and Figure 5 As shown, the outer walls of the first outer pipe 1 and the second outer pipe 11 are respectively provided with an insulation cover 6; the insulation cover 6 is a heat-insulating material; during operation, the insulation cover 6 wraps the first outer pipe 1 and the second outer pipe 11 to play a heat-insulating role; this step wraps the first outer pipe 1 and the second outer pipe 11 by setting the insulation cover 6, thereby reducing the impact of the external temperature on the gas pipe 12 and the temperature sensing cable 13, and improving the accuracy of monitoring.

[0029] like Figure 4 As shown, the middle portion of the fixing frame 2 is hollowed out; during operation, the middle portion of the fixing frame 2 is hollowed out, which reduces the weight of the fixing frame 2 and the overall weight of the device.

[0030] During operation, the gas pipeline 12 is fixed in the first outer pipeline 1, and the temperature sensing cable 13 is fixed in the second outer pipeline 11 through the adjustment component and the temperature sensing cable 13 is adjusted to a suitable position. An air vent is provided in the middle of the partition plate 14, and the partition plate 14 separates the gas pipeline 12 and the temperature sensing cable 13. When the gas pipeline 12 leaks and the temperature rises, the temperature will be transmitted to the temperature sensing cable 13 through the partition plate 14. After the temperature sensing cable 13 becomes abnormal, it will be transmitted to the early warning system component. The early warning system component analyzes the data and locates the abnormal position. The temperature sensing cable 13 and the gas pipeline 12 are laid with the same length; the gas pipeline 12 passes through the fixing frame 2 and the buckle 21, and the outer wall of the gas pipeline 12 contacts the pad 24. The pressure spring 23 pushes the push rod 22 and the pad 24 to move toward the gas pipeline 12, and fixes the gas pipeline 12 in The side wall of the first outer pipe 1 is adapted to gas pipes 12 of different sizes; the temperature sensing cable 13 passes through the fixing ring 32 and is fixed to the inner wall of the second outer pipe 11. The position of the temperature sensing cable 13 is adjusted by the first telescopic rod 3 and the second telescopic rod 31, so that the temperature sensing cable 13 is placed in a suitable position to monitor the gas pipe 12; the rubber ring 4 is fixed to the inner wall of the fixing frame 2 and the buckle 21. When the gas pipe 12 vibrates, the rubber ring 4 reduces the impact of the gas pipe 12 on the fixing frame 2; when the temperature sensing cable 13 is fixed in the middle of the fixing ring 32, the rubber pad 5 contacts the outer wall of the temperature sensing cable 13, clamping the temperature sensing cable 13 in the fixing ring 32, thereby increasing the contact area between the temperature sensing cable 13 and the fixing ring 32; the thermal insulation cover 6 wraps the first outer pipe 1 and the second outer pipe 11 to provide thermal insulation.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A pipeline early warning and positioning device using a sensor optical cable, comprising a first outer pipeline (1); characterized in that: The bottom of the first outer pipe (1) is hingedly connected to the second outer pipe (11); the tops of the first outer pipe (1) and the second outer pipe (11) are fixed by bolts; the inner wall of the first outer pipe (1) is provided with a fixing component; the inner wall of the first outer pipe (1) is connected to the gas pipe (12) through the fixing component; the inner wall of the second outer pipe (11) is provided with an adjustment component; the inner wall of the second outer pipe (11) is connected to a temperature sensing optical cable (13) through the adjustment component; a partition plate (14) is provided between the first outer pipe (1) and the second outer pipe (11); a ventilation hole is opened in the middle of the partition plate (14); the temperature sensing optical cable (13) is connected to the early warning system component.

2. The pipeline early warning and positioning device using a sensor optical cable according to claim 1, characterized in that: The fixing assembly comprises a fixing frame (2), a buckle (21), a push rod (22), a pressure spring (23), and a cushion block (24); the fixing frame (2) is fixedly connected to the inner wall of the first outer pipe (1); a plurality of fixing frames (2) are provided on the inner wall of the first outer pipe (1) and are evenly distributed on the inner wall; the buckle (21) is connected to the fixing frame (2) via a fixing bolt; the push rod (22) slides in the middle of the fixing frame (2) and the buckle (21) respectively; the push rod (22) is fixedly connected to the fixing frame (2) and the buckle (21) 1) multiple groups are arranged in the middle and are evenly distributed in the middle of the fixing frame (2) and the buckle (21); one end of the pressure spring (23) is fixedly connected to the end of the push rod (22); the other ends of the multiple groups of pressure springs (23) are respectively fixedly connected to the inside of the fixing frame (2) and the buckle (21); the cushion block (24) is fixedly connected to the end of the push rod (22) away from the pressure spring (23); the gas pipeline (12) passes through the fixing frame (2) and the middle of the buckle (21); the outer wall of the gas pipeline (12) is in contact with the cushion block (24).

3. The pipeline early warning and positioning device using a sensor optical cable according to claim 2, characterized in that: The adjustment assembly comprises a first telescopic rod (3), a second telescopic rod (31), and a fixing ring (32); the first telescopic rod (3) is hinged to the inner wall of the second outer pipe (11); multiple groups of the first telescopic rods (3) are arranged on the inner wall of the second outer pipe (11), and are evenly distributed on the inner wall of the second outer pipe (11); the fixing ring (32) is hinged to the end of the first telescopic rod (3) away from the second outer pipe (11); the second telescopic rod (31) is hinged to the outer wall of the fixing ring (32) close to the first telescopic rod (3); the other end of the second telescopic rod (31) is hinged to the inner wall of the second outer pipe (11); the temperature sensing optical cable (13) passes through the middle of the fixing ring (32).

4. The pipeline early warning and positioning device using a sensor optical cable according to claim 3, characterized in that: The inner side walls of the fixing frame (2) and the buckle (21) are respectively provided with rubber rings (4); a pair of the rubber rings (4) are provided on the inner side wall of the fixing frame (2) and are symmetrically arranged.

5. The pipeline early warning and positioning device using a sensor optical cable according to claim 4, characterized in that: A rubber pad (5) is fixedly connected to the inner side of the fixing ring (32); multiple groups of the rubber pads (5) are arranged on the inner side wall of the fixing ring (32) and are evenly distributed on the inner side wall of the fixing ring (32).

6. The pipeline early warning and positioning device using a sensor optical cable according to claim 5, characterized in that: The outer side walls of the first outer pipe (1) and the second outer pipe (11) are respectively provided with a heat-insulating cover (6); the heat-insulating cover (6) is made of heat-insulating material.