Natural gas pipeline stress monitoring alarm device

By installing stress sensors and photovoltaic panel systems on natural gas pipelines, the problems of traditional devices being unable to cut off in time when stress is abnormal and the monitoring window period when the power grid is interrupted have been solved, thus achieving safe monitoring and energy-saving power supply.

CN223755197UActive Publication Date: 2026-01-02CHINA SPECIAL EQUIP INSPECTION & RES INST +1
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Patent Information

Application Number
CN202423288847.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-02
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional natural gas pipeline stress monitoring devices are unable to promptly shut off the pipeline and issue alarms when stress is abnormal, and there is a monitoring window when the power grid is interrupted, posing a safety risk.

Method used

The system employs stress sensors, controllers, alarms, and photovoltaic panels. The stress sensors detect stress changes and control valve closure, the alarms sound an alarm, the photovoltaic panels provide power and store energy through solar energy, and the inverter provides power to ensure that the equipment can still operate normally when the power grid is interrupted.

Benefits of technology

It enables timely pipe shut-off and alarm issuance in case of abnormal stress, avoiding danger, and saves energy through solar power supply, avoiding monitoring gaps caused by power grid outages.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223755197U_ABST
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Abstract

The utility model provides a natural gas pipeline stress monitoring alarm device which comprises a pipeline body, a fixing ring A is sleeved in the middle of the surface of the pipeline body, a fixing ring B is hinged to one side of the fixing ring A through a hinge, and stress sensors are fixedly arranged on the two sides of the top face of the pipeline body. Through the arrangement of the alarm and the photovoltaic panel, the stress sensor senses the stress change of the natural gas pipeline, when the stress is abnormal, the controller controls the valve to be closed, the pipeline body is cut off, and danger caused by continuous natural gas conveying is avoided; in the operation process of the equipment, the photovoltaic panel absorbs solar energy and converts the solar energy into electric energy to be stored in the storage battery, the inverter converts current to provide power for the equipment, the solar energy is used as the power supply, the electric energy is saved, and a monitoring empty window period during power failure of a power grid is also avoided.
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Description

TECHNICAL FIELD

[0001] The utility model is natural gas pipeline stress monitoring alarm device, belongs to natural gas pipeline technical field. BACKGROUND

[0002] Natural gas pipeline refers to the pipeline that transports natural gas (including associated gas produced in oil fields) from the exploitation site or treatment plant to the city gas distribution center or industrial enterprise user, also known as gas pipeline. Natural gas pipeline transportation has the advantages of economy, high efficiency, safety performance and the like. Natural gas pipeline. Natural gas pipeline may deform or stress concentrate due to external force, environmental change, temperature fluctuation, corrosion, geological change and the like during long time use, which may cause cracks or rupture of the pipeline. If not timely discovered and handled, it may cause gas leakage, damage and other serious consequences. Therefore, natural gas pipeline stress monitoring can provide real-time monitoring and early warning for pipeline operation to ensure the safe transportation of natural gas.

[0003] However, the conventional natural gas pipeline stress monitoring is inconvenient for timely cutting off the pipeline and issuing an alarm when the natural gas pipeline stress is abnormal, personnel are difficult to timely discover and handle, in addition, the monitoring equipment is generally powered from the power grid, which is not conducive to saving electric energy, when the power grid is powered off, the monitoring of the pipeline is in a vacuum period, which has safety risks. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a natural gas pipeline stress monitoring alarm device to solve the problems of inconvenience in timely cutting off the pipeline and issuing an alarm when the natural gas pipeline stress is abnormal, and not conducive to saving electric energy, when the power grid is powered off, the monitoring of the pipeline is in a vacuum period, which has safety risks.

[0005] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: the natural gas pipeline stress monitoring alarm device comprises a pipeline main body, an A fixing ring is sleeved on the middle part of the surface of the pipeline main body, a B fixing ring is hinged on one side of the A fixing ring through a hinge, stress sensors are fixedly arranged on the top surfaces of both sides of the pipeline main body, a controller is electrically connected to one side of the stress sensor, an alarm is electrically connected to one side of the controller, a valve is electrically connected to the other side of the controller, a fixed plate is fixedly arranged on the surface of the A fixing ring, a support frame is fixedly arranged on the top surface of the fixed plate, and a photovoltaic panel is fixedly arranged on the top of the support frame.

[0006] Further, the valve is fixedly installed on the edge of the top surface of the pipeline body, the controller and the alarm are both fixedly installed on the middle of the top surface of the pipeline body, the stress sensor senses the stress change of the natural gas pipeline, when the stress is abnormal, the valve is closed through the controller, the pipeline body is cut off, the continuous conveying of the natural gas is avoided to cause danger, and the alarm timely sends an alarm to remind personnel to timely handle.

[0007] Further, one side of the controller is electrically connected with a display, the display is fixedly installed on the top surface of the A fixing ring, and the display is used for displaying the pipeline stress reading.

[0008] Further, one side of the photovoltaic panel is electrically connected with a storage battery used for power supply, one side of the storage battery is electrically connected with an inverter, and the storage battery and the inverter are both fixedly installed on the bottom surface of the photovoltaic panel.

[0009] Further, one side of the A fixing ring is fixedly provided with an A connecting piece, one side of the B fixing ring is fixedly provided with a B connecting piece, and the A connecting piece and the B connecting piece are used for installing the A fixing ring and the B fixing ring on the surface of the natural gas pipeline.

[0010] Further, screw holes are formed in the surfaces of the A connecting piece and the B connecting piece, and connecting studs are screwed into the screw holes.

[0011] Further, one side of the pipeline body is provided with an inlet connecting flange, the side, away from the inlet connecting flange, of the pipeline body is fixedly provided with an outlet connecting flange, four groups of connecting screw holes are formed in the surfaces of the inlet connecting flange and the outlet connecting flange in a ring array, and fixing studs are screwed into the connecting screw holes.

[0012] The natural gas pipeline monitoring device has the advantages that: through the setting of the alarm and the photovoltaic panel, when the stress of the natural gas pipeline is abnormal, the valve is closed through the controller, the pipeline body is cut off, danger caused by the continuous conveying of the natural gas is avoided, the alarm timely sends an alarm to remind personnel to timely handle, in the equipment operation process, the photovoltaic panel absorbs solar energy and converts the solar energy into electric energy stored in the storage battery, the inverter converts current to provide power supply for the equipment, solar energy is used as the power supply, electric energy is saved, and a monitoring empty window period exists when the power grid power supply is cut off. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, taken in conjunction with the accompanying drawings:

[0014] Figure 1 It is a whole schematic view of the natural gas pipeline stress monitoring alarm device of the present application;

[0015] Figure 2 It is a battery and inverter schematic view of the natural gas pipeline stress monitoring alarm device of the present application;

[0016] Figure 3 It is a stress sensor schematic view of the natural gas pipeline stress monitoring alarm device of the present application;

[0017] Figure 4 It is an alarm schematic view of the natural gas pipeline stress monitoring alarm device of the present application;

[0018] Figure 5 It is a photovoltaic panel schematic view of the natural gas pipeline stress monitoring alarm device of the present application.

[0019] In the figure: 1, pipeline main body; 2, A fixed ring; 3, B fixed ring; 4, display; 5, battery; 6, inverter; 7, A connecting sheet; 8, B connecting sheet; 9, connecting stud; 10, stress sensor; 11, controller; 12, alarm; 13, valve; 14, fixed plate; 15, support frame; 16, photovoltaic panel; 17, import connecting flange; 18, export connecting flange; 19, fixed stud. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects achieved by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0021] Please refer to Figures 1-5 The present application provides a technical solution: a natural gas pipeline stress monitoring alarm device, comprising a pipeline main body 1, the surface of the pipeline main body 1 is provided with an A fixed ring 2 in the middle, the A fixed ring 2 is hingedly connected with a B fixed ring 3 on one side through a hinge, the top surface of the pipeline main body 1 is fixedly provided with a stress sensor 10 on both sides, the stress sensor 10 is electrically connected with a controller 11 on one side, the controller 11 is electrically connected with an alarm 12 on one side, the other side of the controller 11 is electrically connected with a valve 13, the surface of the A fixed ring 2 is fixedly provided with a fixed plate 14, the top surface of the fixed plate 14 is fixedly provided with a support frame 15, and the top of the support frame 15 is fixedly provided with a photovoltaic panel 16.

[0022] The stress sensor 10 senses the stress change of the natural gas pipeline, when the stress is abnormal, the valve 13 is controlled to be closed by the controller 11, the pipeline body 1 is cut off, the danger caused by continuous natural gas conveying is avoided, the alarm 12 is used to send an alarm in time, personnel are reminded to handle in time, the photovoltaic panel 16 absorbs solar energy and converts the solar energy into electric energy stored in the storage battery 5 in the equipment running process, the inverter 6 converts the current into power supply for the equipment, solar energy is used as power supply, electric energy is saved, and there is a monitoring empty window period when the power grid power supply is powered off.

[0023] The valve 13 is fixedly installed on the edge of the top surface of the pipeline body 1, and the controller 11 and the alarm 12 are fixedly installed on the middle part of the top surface of the pipeline body 1.

[0024] The stress sensor 10 senses the stress change of the natural gas pipeline, when the stress is abnormal, the valve 13 is controlled to be closed by the controller 11, the pipeline body 1 is cut off, the danger caused by continuous natural gas conveying is avoided, and the alarm 12 is used to send an alarm in time, personnel are reminded to handle in time.

[0025] One side of the controller 11 is electrically connected with the display 4, and the display 4 is fixedly installed on the top surface of the A fixed ring 2.

[0026] The display 4 is used for displaying the stress reading of the pipeline body 1, and personnel can observe conveniently.

[0027] One side of the photovoltaic panel 16 is electrically connected with the storage battery 5 used for power supply, one side of the storage battery 5 is electrically connected with the inverter 6, and the storage battery 5 and the inverter 6 are fixedly installed on the bottom surface of the photovoltaic panel 16.

[0028] The photovoltaic panel 16 absorbs solar energy and converts the solar energy into electric energy stored in the storage battery 5, the inverter 6 converts the current into power supply for the equipment, solar energy is used as power supply, electric energy is saved, and there is a monitoring empty window period when the power grid power supply is powered off.

[0029] One side of the A fixed ring 2 is fixedly provided with the A connecting sheet 7, and one side of the B fixed ring 3 is fixedly provided with the B connecting sheet 8.

[0030] The A connecting sheet 7 and the B connecting sheet 8 are used for mounting the A fixed ring 2 and the B fixed ring 3 on the pipeline body 1.

[0031] Threaded holes are formed in the surfaces of the A connecting sheet 7 and the B connecting sheet 8, and connecting studs 9 are screwed in the threaded holes.

[0032] The connecting studs 9 connect the A connecting sheet 7 and the B connecting sheet 8.

[0033] The pipeline body 1 is provided with an inlet connecting flange 17 on one side, and is fixedly provided with an outlet connecting flange 18 away from the inlet connecting flange 17, and four groups of connecting screw holes are arranged in an annular array on the surfaces of the inlet connecting flange 17 and the outlet connecting flange 18, and the inside of the connecting screw holes is penetrated by a fixing stud 19.

[0034] The fixing stud 19 is used for connecting the pipeline body 1.

[0035] The stress sensor 10 is of a model of Fengtu FT-YB surface strain gauge, and the above parameters and model can be selected according to actual conditions.

[0036] Working principle: the stress sensor 10 senses the stress change of the natural gas pipeline, when the stress is abnormal, the valve 13 is controlled to be closed by the controller 11, the pipeline body 1 is cut off, the continuous conveying of the natural gas is avoided to cause danger, and the alarm 12 is used to timely send an alarm to remind personnel to timely handle;

[0037] During the operation of the equipment, the photovoltaic panel 16 absorbs solar energy and converts the solar energy into electric energy stored in the storage battery 5, and the inverter 6 converts the current into a power supply for the equipment, uses the solar energy as the power supply, saves the electric energy, and avoids the monitoring empty window period when the power grid power supply is powered off.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for monitoring and alarming of stresses in a natural gas pipeline, comprising a pipeline body (1), characterized in that: The middle part of the surface of the pipeline body (1) is sleeved with an A fixing ring (2), one side of the A fixing ring (2) is hingedly connected with a B fixing ring (3), both sides of the top surface of the pipeline body (1) are fixedly provided with stress sensors (10), one side of the stress sensor (10) is electrically connected with a controller (11), one side of the controller (11) is electrically connected with an alarm (12), the other side of the controller (11) is electrically connected with a valve (13), the surface of the A fixing ring (2) is fixedly provided with a fixed plate (14), the top surface of the fixed plate (14) is fixedly provided with a support frame (15), and the top of the support frame (15) is fixedly provided with a photovoltaic panel (16).

2. A natural gas pipeline stress monitoring alarm device according to claim 1, characterized in that: The valve (13) is fixedly installed on the edge of the top surface of the pipeline body (1), and the controller (11) and the alarm (12) are fixedly installed on the middle part of the top surface of the pipeline body (1).

3. The natural gas pipeline stress monitoring alarm device of claim 1, wherein: One side of the controller (11) is electrically connected with a display (4), and the display (4) is fixedly installed on the top surface of the A fixing ring (2).

4. The natural gas pipeline stress monitoring alarm apparatus of claim 1, wherein: One side of the photovoltaic panel (16) is electrically connected with a storage battery (5) for power supply, and the other side of the storage battery (5) is electrically connected with an inverter (6), and the storage battery (5) and the inverter (6) are fixedly installed on the bottom surface of the photovoltaic panel (16).

5. The natural gas pipeline stress monitoring alarm device of claim 1, wherein: One side of the A fixing ring (2) is fixedly provided with an A connecting piece (7), and one side of the B fixing ring (3) is fixedly provided with a B connecting piece (8).

6. The natural gas pipeline stress monitoring alarm device of claim 5, wherein: The surfaces of the A connecting piece (7) and the B connecting piece (8) are both provided with threaded holes, and the threaded holes are threadedly penetrated by connecting studs (9).

7. The natural gas pipeline stress monitoring alarm device of claim 1, wherein: One side of the pipeline body (1) is provided with an inlet connecting flange (17), and the other side of the pipeline body (1) away from the inlet connecting flange (17) is fixedly provided with an outlet connecting flange (18), the surfaces of the inlet connecting flange (17) and the outlet connecting flange (18) are annularly arranged with four groups of connecting screw holes, and the connecting screw holes are threadedly penetrated by fixing studs (19).