CN211853551U

CN211853551U - Pipeline safety system based on leakage monitoring

Info

Publication number: CN211853551U
Application number: CN201921623751.3U
Authority: CN
Inventors: 李光曦
Original assignee: Beijing Huake Hechuang Technology Development Co ltd
Current assignee: Beijing Huake Hechuang Technology Development Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-11-03
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a pipeline safety coefficient based on leakage monitoring, include: the device comprises a plurality of leak detectors, a plurality of temperature sensors, an upper computer and a wireless transmission device; the leakage detectors and the temperature sensors are arranged on the outer pipe wall of the pipeline to be monitored at equal intervals; a locator is correspondingly arranged at the arrangement position of each leak detector and the arrangement position of each temperature sensor; all leak detectors, all temperature sensors and all positioners are communicated with an upper computer through a wireless transmission device; the upper computer is used for controlling the working states of the leak detector and the temperature sensors, comprehensively determining whether the pipeline leaks or not according to the measurement data of the leak detector and the sensing data of the temperature sensors adjacent to the two sides, and determining the position of the pipeline where the pipeline leaks according to the positioner. The utility model discloses can improve pipeline leakage monitoring's convenience, improve the monitoring degree of accuracy simultaneously.

Description

Pipeline safety system based on leakage monitoring

Technical Field

The utility model relates to a pipeline monitoring field especially relates to a pipeline safety coefficient based on leakage monitoring.

Background

Various pipeline lines for transporting water, steam and oil are buried in cities, and once leakage occurs, serious ecological environment damage and huge economic property loss are caused inevitably. At present, an effective and cheap safety monitoring means of an oil and gas pipeline before leakage is still a worldwide problem. For a long time, a great deal of research is carried out at home and abroad aiming at leakage detection by using methods such as a stress wave method, a negative pressure method and the like, but because the processing of detection signals by various leakage detection methods is insufficient, the application of the leakage detection methods is not ideal, when leakage occurs, the range needing to be detected is too large, time and labor are wasted, and in addition, the negative pressure leakage detection method needs to destroy the pipeline structure to stretch a detection head into a pipeline, so that the inconvenience is very high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline safety coefficient based on leakage monitoring to improve pipeline leakage monitoring's convenience, and need not to destroy pipeline structure.

In order to achieve the above object, the utility model provides a following scheme:

a pipeline safety system based on leak monitoring, comprising: the device comprises a plurality of leak detectors, a plurality of temperature sensors, an upper computer and a wireless transmission device; the temperature sensors are distributed on the outer pipe wall of the pipeline to be monitored at equal intervals, and one temperature sensor is distributed between every two adjacent leakage detectors; a locator is correspondingly arranged at the arrangement position of each leak detector and the arrangement position of each temperature sensor; all leak detectors, all temperature sensors and all positioners are communicated with the upper computer through the wireless transmission device; the upper computer is used for controlling the working states of the leak detector and the temperature sensors, comprehensively determining whether the pipeline leaks or not according to the measurement data of the leak detector and the sensing data of the temperature sensors adjacent to the two sides, and determining the position of the pipeline where the pipeline leaks according to the positioner.

Optionally, the pipeline leakage alarm device further comprises an alarm device, wherein the control end of the alarm device is connected with the output end of the upper computer, and the alarm device is used for responding to alarm according to the instruction of the upper computer when the pipeline leaks.

Optionally, the leakage detector further comprises a display device, the control end of the display device is connected with the output end of the upper computer, and the display device is used for displaying the state of the pipeline measured by each leakage detector and each temperature sensor in real time according to the instruction of the upper computer.

Optionally, the leak detector is an ultrasonic detector or an infrared detector.

Optionally, the leak detector is an audio leak detector, a sound sensor in contact with the pipeline to be monitored is arranged in the audio leak detector, a mute cavity is formed in the outer pipe wall of the pipeline to be monitored, and the audio leak detector is arranged in the mute cavity.

Optionally, the outer wall surface of the mute cavity is covered with sound-absorbing cotton.

Optionally, the leakage detector further comprises a timer, the timer is connected with the upper computer, and the upper computer is used for monitoring the pipeline to be monitored in a timing mode according to the timer for controlling the leakage detector and the temperature sensor.

According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:

the pipeline usually can be along with the change of temperature when leaking, for example, when the natural gas pipeline leaks, because of long defeated natural gas pipeline operating pressure is high, when the pipeline takes place to leak, the natural gas that leaks can expand sharply, leads to the leakage point temperature to descend rapidly, consequently, through the combination of leak detector and temperature sensor, monitors the pipeline state jointly, can improve the degree of accuracy of monitoring. Meanwhile, the leakage detector and the temperature sensor are arranged at intervals, when the leakage detector monitors pipeline leakage, the leakage detector can further determine which side of the leakage detector leaks according to the monitoring data of the adjacent temperature sensor, and then the leakage position is accurately positioned.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is the utility model discloses pipeline safety system's based on leakage monitoring structure schematic diagram.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is the utility model discloses pipeline safety system's based on leakage monitoring structure schematic diagram. As shown in fig. 1, the utility model discloses a pipeline safety system based on leakage monitoring includes following structure: a plurality of leak detectors 1, a plurality of temperature sensors 2, an upper computer 3 and a wireless transmission device 4.

A plurality of leak detectors 1 are arranged on the outer pipe wall of the pipeline to be monitored at equal intervals, a plurality of temperature sensors 2 are arranged on the outer pipe wall of the pipeline to be monitored at equal intervals, the leak detectors 1 and the temperature sensors 2 are arranged at intervals, and one temperature sensor 2 is uniformly arranged between any two adjacent leak detectors 1. The leak detector 1 may be an ultrasonic detector, an infrared detector, an audio leak detector, or the like. As an alternative embodiment, when an audio leak detector is adopted, a sound sensor contacting with the pipeline to be monitored is arranged in the audio leak detector, a mute cavity is arranged on the outer pipe wall of the pipeline to be monitored, and the audio leak detector is arranged in the mute cavity to reduce the influence of external noise on the audio leak detector. In order to further reduce the interference of noise to the audio leak detector, the outer wall surface of the mute cavity can be covered with sound-absorbing cotton so as to further improve the monitoring precision of the audio side leak detector.

And the arrangement position of each leak detector 1 and the arrangement position of each temperature sensor 2 are correspondingly provided with a positioner, and the positioners are used for positioning the positions of the leak detectors 1 and the temperature sensors 2 according to the positioners. All leak detectors 1, all temperature sensors 2 and all positioners are communicated with the upper computer 3 through the wireless transmission device 4. The upper computer 3 is used for controlling the working states of the leak detector 1 and the temperature sensors 2, comprehensively determining whether the pipeline leaks or not according to the measurement data of the leak detector 1 and the sensing data of the temperature sensors 2 adjacent to two sides, and determining the position of the pipeline where the pipeline leaks according to the positioner.

As another embodiment, the utility model discloses a pipeline safety system based on leakage monitoring still includes alarm device, alarm device's control end with host computer 3's output is connected, alarm device is used for according to when the pipeline takes place to leak according to host computer 3's instruction response is reported to the police. The alarm device can adopt an audible and visual alarm or other alarm devices.

As another embodiment, the utility model discloses a pipeline safety system based on leakage monitoring still includes display device, display device's control end with host computer 3's output is connected, display device is used for the basis the pipeline state that every leak hunting appearance 1 and every temperature sensor 2 record is shown in real time to host computer 3's instruction. The upper computer 3 judges whether pipeline leakage occurs according to the measurement data of the leak detector 1 and the temperature sensor 2, and then displays the state of the pipeline in real time.

As another kind of embodiment, the utility model discloses a pipeline safety coefficient based on leakage monitoring still includes the timer, the timer with the host computer is connected, the host computer is used for the basis timer control the leak hunting appearance with temperature sensor regularly treats the monitoring pipe and monitors.

The following is the utility model discloses a pipeline safety coefficient's working process explains based on leakage monitoring:

the upper computer receives monitoring information of the leak detector and the temperature sensor in real time, and monitors the leakage state of the pipeline by taking the leak detector as a main temperature sensor as an auxiliary. When the monitoring data of one leak detector is different from the monitoring data of other leak detectors, judging whether the monitoring data of the temperature sensor adjacent to the leak detector correspondingly changes or not, and when the monitoring data of the temperature sensor adjacent to the leak detector correspondingly changes, determining that pipeline leakage occurs near the monitoring position of the leak detector; when the monitoring data of the temperature sensors adjacent to the leak detector are not changed, further verification by a worker is needed to determine whether the leak detector is in a normal working state or not so as to prevent false alarm. Meanwhile, when the leakage detector is determined to be in the monitoring position and the pipeline leaks, the monitoring data of the temperature sensor on which side of the leakage detector changes, for example, the monitoring data of the temperature sensor on the right side of the leakage detector changes, the pipeline between the leakage detector and the right side temperature sensor leaks, and the position of the pipeline with the leakage can be accurately positioned according to the positioning information of the leakage detector and the positioning information of the right side temperature sensor.

Every locator all corresponds when using has corresponding serial number, and the appearance and the temperature sensor that leak hunting that correspond also have corresponding serial number, consequently, can directly be fixed a position the position of leaking according to appearance and temperature sensor's serial number of leaking when the emergence is leaked, simultaneously, can further verify according to the location data of locator whether accurate the position of leaking.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the system and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A pipeline safety system based on leak monitoring, comprising: the device comprises a plurality of leak detectors, a plurality of temperature sensors, an upper computer and a wireless transmission device; the temperature sensors are distributed on the outer pipe wall of the pipeline to be monitored at equal intervals, and one temperature sensor is distributed between every two adjacent leakage detectors; a locator is correspondingly arranged at the arrangement position of each leak detector and the arrangement position of each temperature sensor; all leak detectors, all temperature sensors and all positioners are communicated with the upper computer through the wireless transmission device; the upper computer is used for controlling the working states of the leak detector and the temperature sensors, comprehensively determining whether the pipeline leaks or not according to the measurement data of the leak detector and the sensing data of the temperature sensors adjacent to the two sides, and determining the position of the pipeline where the pipeline leaks according to the positioner.

2. The pipeline safety system based on leakage monitoring as claimed in claim 1, further comprising an alarm device, wherein a control end of the alarm device is connected with an output end of the upper computer, and the alarm device is used for responding to an alarm according to an instruction of the upper computer when a pipeline leaks.

3. The pipeline safety system based on leakage monitoring as claimed in claim 1, further comprising a display device, wherein a control end of the display device is connected with an output end of the upper computer, and the display device is used for displaying the pipeline state measured by each leak detector and each temperature sensor in real time according to an instruction of the upper computer.

4. The leak monitoring based pipeline safety system of claim 1, wherein the leak detector is an ultrasonic detector or an infrared detector.

5. The pipeline safety system based on leakage monitoring as claimed in claim 1, wherein the leakage detector is an audio leakage detector, a sound sensor contacting with the pipeline to be monitored is arranged in the audio leakage detector, a mute cavity is arranged on the outer wall of the pipeline to be monitored, and the audio leakage detector is arranged in the mute cavity.

6. The pipe safety system based on leakage monitoring of claim 5, wherein the outer wall surface of the quiet chamber is covered with sound absorbing cotton.

7. The pipeline safety system based on leakage monitoring as claimed in claim 1, further comprising a timer, wherein the timer is connected with the upper computer, and the upper computer is used for controlling the leakage detector and the temperature sensor to monitor the pipeline to be monitored in a timing mode according to the timer.