CN113034842A - Oil-gas pipeline safety protection method, device and system - Google Patents
Oil-gas pipeline safety protection method, device and system Download PDFInfo
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- CN113034842A CN113034842A CN202011623278.6A CN202011623278A CN113034842A CN 113034842 A CN113034842 A CN 113034842A CN 202011623278 A CN202011623278 A CN 202011623278A CN 113034842 A CN113034842 A CN 113034842A
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- G—PHYSICS
- G08—SIGNALLING
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- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/20—Checking timed patrols, e.g. of watchman
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
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Abstract
The invention discloses a method, a device and a system for safety protection of an oil and gas pipeline, wherein the method comprises the following steps: acquiring a polling video stream; tracking the polling video stream according to the polling signal, and obtaining the abnormal position of the oil-gas pipeline according to the tracking result; generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so that the holder and the monitoring equipment execute the corresponding instructions and feed back to the position signals; and packing the alarm information of the abnormal position acquired by the monitoring equipment and starting the alarm according to the in-place signals of the holder and the monitoring equipment. The method for detecting and early warning suspicious situations before accidents occurs is provided, safety inspection of the oil pipeline is automatically carried out, inspection images are provided in real time, suspicious situations occurring in the process of inspection of the oil pipeline are automatically identified and detected according to the real-time inspection images, and therefore safety of the oil and gas pipeline is effectively guaranteed.
Description
Technical Field
The invention relates to the technical field of intelligent video monitoring, in particular to a method, a device and a system for safety protection of an oil and gas pipeline.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The pipeline transportation has the advantages of low cost, energy conservation, stable supply and the like, and is a very important oil and gas transportation mode. Once an accident happens along the long-distance pipeline, the normal operation of the pipeline can be influenced, and when toxic, flammable and explosive media are conveyed, the safety protection device also poses great threat to lives and properties and living environment of people, so that the safety protection of the oil and gas pipeline is very important. However, the pipeline transportation mode has the characteristics of long transport distance, large pipe diameter, high pressure, large transport capacity and the like, and particularly, the natural conditions in certain regions are severe and arduous, which brings great inconvenience to the pipeline inspection work.
The traditional manual inspection has high working strength, hard conditions, long time consumption, high labor cost and the following difficulties: the line patrol work in the areas with inconvenient traffic is difficult to be normally carried out, the terrain of some areas is dangerous, manpower is difficult to reach, and the like. Along with the rapid development of unmanned aerial vehicle technology, the oil and gas pipeline safety monitoring industry of domestic unmanned aerial vehicle is slowly used, the mode that the prior art used unmanned aerial vehicle to cruise and distributed optical fiber oil pipeline belongs to more advanced protection method, but still rely on artifical the participation, and to the accident earlier stage, it is limited to do not cause the early warning ability before the loss promptly, be difficult to accomplish all-weather automatic monitoring and patrol and examine the outside dangerous operation that probably takes place of pipeline, like artificial illegal construction, oil pipeline is punched and is stolen oil, engineering vehicle construction destruction and dangerous signals such as cigarette, condition of a fire.
The problems existing in the protection of the current oil and gas pipeline are as follows:
1. the alarm monitoring system in the prior art is mostly supported by multiple channels, and the system needs software of each different channel to control the respective channel, is too cumbersome from the technical aspect, is troublesome to implement, has higher cost for establishment and maintenance, and is not suitable for being applied to long-distance, flammable and explosive occasions of oil and gas pipelines.
2. The existing mainstream technology is mainly focused on safety monitoring and early warning after pipeline faults, and the situation possibly causing safety accidents can not be early-warned and analyzed in advance, so that the pipeline is prevented from getting ill.
3. The distributed optical fiber sensing technology has certain defects for long-distance pipeline leakage monitoring: (1) the sensor is troublesome in design and low in cost performance; (2) is insensitive to small leaks; (3) the monitoring distance is short.
4. The optical fiber sensing system based on the interferometry puts high requirements on post-signal processing in terms of algorithms and hardware implementation, and no mature scheme or product exists in the market at present.
In summary, the prior art can only perform alarming and positioning after leakage, belongs to post-processing and detection, and has no mature scheme or product for safety protection measures such as analysis and detection of conditions and behaviors which may cause accidents before the accidents occur.
Disclosure of Invention
In order to solve the problems, the invention provides a method, a device and a system for safety protection of an oil and gas pipeline, and provides a method for detecting and early warning suspicious situations before accidents occur, which automatically performs safety inspection on the oil pipeline, provides inspection images in real time, and automatically identifies and detects suspicious situations occurring in the process of inspecting the oil pipeline according to the real-time inspection images, thereby effectively ensuring the safety of the oil and gas pipeline.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a method for protecting an oil and gas pipeline, comprising the following steps:
acquiring a polling video stream;
tracking the polling video stream according to the polling signal, and obtaining the abnormal position of the oil and gas pipeline according to the tracking result;
generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so that the holder and the monitoring equipment execute the corresponding instructions and feed back to the position signals;
and packing the alarm information of the abnormal position acquired by the monitoring equipment and starting the alarm according to the in-place signals of the holder and the monitoring equipment.
In a second aspect, the present invention provides an oil and gas pipeline safety device, comprising:
the video acquisition unit is used for acquiring the polling video stream;
the tracking analysis unit is used for tracking the polling video stream according to the polling signal and obtaining the abnormal position of the oil and gas pipeline according to the tracking result;
the inspection control unit is used for generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so as to enable the holder and the monitoring equipment to execute the corresponding instructions and feed back to the position signals;
and the alarm analysis unit is used for packing the alarm information of the abnormal position acquired by the monitoring equipment and starting alarm according to the in-place signals of the holder and the monitoring equipment.
In a third aspect, the present invention provides an oil and gas pipeline safety protection system, comprising: the oil gas pipeline safety device and carry on supervisory equipment's cloud platform of second aspect.
Compared with the prior art, the invention has the beneficial effects that:
aiming at overcoming and making up the defects of the existing protective measures and aiming at the problem of early warning before the occurrence of the oil and gas pipeline accidents, the invention provides the oil and gas pipeline security protection method and device based on edge calculation, which are suitable for all-weather unattended application scenes with high safety requirements and high monitoring force requirements, can well liberate manpower patrol and analysis, effectively provide the accident early warning function, and have good application prospects in the fields of automatic patrol and early warning of oil and gas pipelines.
The invention automatically carries out the safety inspection of the oil pipeline and provides an inspection image in real time, and the detection process is clear, intuitive, simple and easy to use; according to the automatic identification of the real-time inspection image, the suspicious situation that appears in the inspection process of the oil pipeline is detected, such as artificial illegal construction, oil stealing due to perforation of the oil pipeline, construction damage of engineering vehicles, dangerous signals such as smoke, fire and the like, the real-time alarm is provided for the analyzed dangerous situation, and the occurrence of safety accidents of the oil pipeline is avoided.
In view of the complex and various geographic environments along the oil pipeline and the importance of safety protection work, the invention provides a method and a device for detecting, analyzing and early warning suspicious situations before accidents occur, so that early warning and alarming are realized, the artificial burden is effectively relieved, all-weather unattended safety protection is supported, the loss caused by accidents of the oil pipeline is effectively avoided, and the safety of the oil pipeline is ensured and the accidents caused by external factors are avoided.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a flow chart of a safety protection method for an oil and gas pipeline provided by embodiment 1 of the invention.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that the terms "comprises" and "comprising", and any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
As shown in fig. 1, the present embodiment provides a method for protecting an oil and gas pipeline, including:
s1: acquiring a polling video stream;
s2: tracking the polling video stream according to the polling signal, and obtaining the abnormal position of the oil conveying pipeline according to the tracking result;
s3: generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so that the holder and the monitoring equipment execute the corresponding instructions and feed back to the position signals;
s4: and packing the alarm information of the abnormal position acquired by the monitoring equipment and starting the alarm according to the in-place signals of the holder and the monitoring equipment.
In step S1, the acquisition of the inspection video stream is acquired in real time by a cradle head carrying a monitoring device, where the cradle head is a supporting device for installing and fixing the monitoring device, such as a camera; the embodiment adopts the electric pan-tilt, can enlarge the monitoring range of the camera, can remotely control the rotation and the moving direction of the pan-tilt through the control system, carries out accurate positioning according to the received control signal, and can automatically scan the monitoring area by adjusting the focal length of the lens of the camera after the pan-tilt is accurately aligned to the target position.
In the embodiment, the inspection signal is acquired, the video stream and each frame of video image are continuously tracked and analyzed, possible abnormal conditions are tracked and analyzed, and whether an abnormal position exists in the current video image or not is judged according to the tracking and analyzing result; the method specifically comprises the following steps:
s2-1: if the abnormal position is not detected, continuing the current inspection work, and continuing to acquire the video stream and continuously track;
s2-2: if an abnormal position is detected, extracting abnormal position information
Controlling a pan/tilt head according to abnormal position informationAnd monitoring movement of the device.
The step S3 specifically includes:
s3-1: sending the abnormal position to a holder, controlling the holder to move to the target abnormal position according to a holder positioning instruction, and feeding back an in-place signal;
s3-2: generating a focusing signal and a zooming signal according to the abnormal position, and feeding back the focusing signal to the monitoring equipment after executing a fusion focusing instruction;
s3-3: before the cloud platform and the monitoring equipment execute corresponding instructions, the current inspection state is stored, after the cloud platform and the monitoring equipment execute the corresponding instructions, the cloud platform carrying the monitoring equipment is aligned to the abnormal position, the lens focal length of the monitoring equipment meets the requirement of shooting the image at the abnormal position, and the image information at the abnormal position can be directly shot.
In step S4, after receiving the in-place signal, assembling the alarm information of the abnormal position, starting an alarm process, and sending the packaged alarm information to a comprehensive management platform for unified monitoring management;
the comprehensive management platform is a service platform for providing a visual interface for a user, and has the functions of real-time display of monitoring and early warning videos, real-time alarm and check, storage, analysis and display of alarm information, centralized comprehensive management and maintenance of monitoring equipment and the like.
In this embodiment, after the alarm process is started, a time-limited alarm strategy is adopted, and an alarm time period t is preset0At the alarm time period t0Then, the alarm operation is stopped, and a reset Signal is generatedresetAnd controlling the cradle head and the monitoring equipment to reset according to the prestored original inspection state, and continuously entering the inspection state.
In this embodiment, a reset Signal is generatedresetThen, a timing idling mechanism and a custom error neglecting mechanism are adopted to prevent repeated alarm at the same position; the method specifically comprises the following steps:
to prevent the same position as the abnormal position
Is repeatedly alarmed and trapped inIn the local continuous alarm state, the present embodiment adopts a timing idle mechanism to specify the idle undetected time t1And the time is provided for the tripod head reset inspection:
for preventing and warning position information
Same and same position
The repeated alarm is trapped in a local continuous alarm state, the embodiment adopts a customized error neglecting mechanism, and a certain error which is neglected by customization
Jump out of the repeated alarm range, and ensure the resetting of the holder:
the embodiment realizes the closed ordered circulation including the polling and the alarming, and ensures the normal ordered circulation of the whole polling process.
Example 2
The embodiment provides an oil gas pipeline safety device, includes: the system comprises a polling analysis unit, a tracking analysis unit, a polling control unit and an alarm analysis unit;
the inspection analysis unit is used for acquiring an inspection video stream;
the tracking analysis unit is used for tracking the polling video stream according to the polling signal and obtaining the abnormal position of the oil conveying pipeline according to the tracking result;
the inspection control unit is used for generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so as to enable the holder and the monitoring equipment to execute the corresponding instructions and feed back to the position signals;
and the alarm analysis unit is used for packing the alarm information of the abnormal position acquired by the monitoring equipment and starting alarm according to the in-place signals of the holder and the monitoring equipment.
In this embodiment, the polling control unit sends two control signals, namely a polling signal and an in-place signal; the work initialization of the inspection analysis unit is defaulted to work according to the inspection signal, and the inspection signal is sent to the tracking analysis unit.
The tracking analysis unit analyzes the video stream and each frame image, pre-warns possible abnormal conditions and tracks and analyzes the abnormal conditions to obtain a tracking analysis result; the method specifically comprises the following steps:
if the abnormal position is not detected, continuing the current inspection working state;
if the abnormal position is detected, the abnormal position information is sent
And sending the data to a patrol control unit.
After the routing inspection control unit receives the abnormal position information of the tracking analysis unit, the related abnormal position information is transmitted
Sending the positioning signal to a cloud deck, controlling the cloud deck to be positioned according to a cloud deck positioning instruction, and feeding back the in-place signal to an inspection control unit after the cloud deck moves to a target abnormal position;
meanwhile, the current inspection state S is stored, fusion focus control instructions such as relevant focusing signals and zooming signals are sent to the monitoring equipment, and the monitoring equipment executes fusion focus operation according to the control instructions and feeds back in-place signals to the inspection control unit.
After receiving the in-place signals fed back by the holder and the monitoring equipment, the inspection control unit sends the in-place signals to the inspection analysis unit, and the inspection analysis unit sends the in-place signals to the alarm analysis unit; and after the alarm analysis unit receives the in-place signal, assembling alarm information, starting an alarm process, and sending the alarm information to the comprehensive management platform.
In this embodiment, an alarm process is initiatedThen, the alarm analysis unit adopts a time-limited alarm strategy and presets an alarm time period t0At the alarm time period t0Then, the alarm analysis operation is stopped, and a reset Signal is sent to the inspection control unitreset。
The inspection control unit receives the reset SignalresetThen, in order to prevent repeated alarm at the same position, a timing idling mechanism and a custom error ignoring mechanism are adopted; the method specifically comprises the following steps:
to prevent the same position as the abnormal position
The repeated alarm of (1) falls into a local continuous alarm state, a timing idling mechanism can be adopted, and idling undetected time t of a certain time is appointed1And the time is provided for the tripod head reset inspection:
for preventing and warning position information
Same and same position
The repeated alarm is in a local continuous alarm state, a customized error neglecting mechanism can be adopted, and a certain error which is neglected by customization is adopted
Jump out of the repeated alarm range, and ensure the resetting of the holder:
in this embodiment, after receiving the reset signal, the inspection control unit sends a control signal for resetting inspection to the cradle head and the monitoring device according to the above strategy and the pre-reserved original inspection position information, and the cradle head and the monitoring device enter an inspection state after being reset.
It should be noted that the modules correspond to the steps described in embodiment 1, and the modules are the same as the corresponding steps in the implementation examples and application scenarios, but are not limited to the disclosure in embodiment 1. It should be noted that the modules described above as part of a system may be implemented in a computer system such as a set of computer-executable instructions.
Example 3
The embodiment provides an oil and gas pipeline safety protection system, includes: embodiment 2 oil gas pipeline safety device, carry supervisory equipment's cloud platform and integrated management platform.
The cloud deck with the monitoring equipment collects video streams, and sends collected video stream information to the routing inspection analysis unit of the oil transportation pipeline safety protection device in real time, wherein the video stream information and the video stream information are in a connection state in work, and if the monitoring equipment is disconnected in the work state, an alarm is generated to prompt workers.
Those of ordinary skill in the art will appreciate that the various illustrative elements, i.e., algorithm steps, described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A safety protection method for an oil and gas pipeline is characterized by comprising the following steps:
acquiring a polling video stream;
tracking the polling video stream according to the polling signal, and obtaining the abnormal position of the oil-gas pipeline according to the tracking result;
generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so that the holder and the monitoring equipment execute the corresponding instructions and feed back to the position signals;
and packing the alarm information of the abnormal position acquired by the monitoring equipment and starting the alarm according to the in-place signals of the holder and the monitoring equipment.
2. The oil and gas pipeline safety protection method according to claim 1, wherein the pan-tilt is controlled to move to the abnormal position according to the abnormal position and the pan-tilt positioning command, and meanwhile, after the monitoring equipment performs focusing and zooming operations, abnormal image information of the abnormal position is acquired.
3. The oil and gas pipeline safety protection method of claim 1, wherein after the alarm is started, a time-limited alarm strategy is adopted to preset an alarm time period, and after the alarm time period, the alarm operation is stopped to generate a reset signal.
4. The method of claim 3, wherein a timed idle mechanism is employed after the reset signal is generated, an idle undetected time is designated, and no alarm is activated during the idle undetected time.
5. The method of claim 3, wherein the reset signal is generated and a custom error neglecting mechanism is employed, the custom error neglecting mechanism is used, and the coordinate difference between the subsequent abnormal position and the previous abnormal position is within the error neglecting range.
6. The oil and gas pipeline safety protection method according to claim 1, wherein the current inspection state is saved before the cloud deck and the monitoring equipment execute corresponding instructions for resetting after the alarm is completed.
7. The safety protection method for the oil and gas pipeline according to claim 6, characterized in that the resetting of the holder and the monitoring equipment is controlled according to the original inspection state stored in advance so as to continue to enter the inspection state.
8. The oil and gas pipeline safety protection method according to claim 1, wherein the patrol video stream collected by the monitoring device in real time is acquired, the monitoring device is carried on the cradle head, and after the cradle head and the monitoring device are in place, the packed alarm information is sent to the comprehensive management platform for unified monitoring management.
9. An oil and gas pipeline safety device, characterized by, includes:
the video acquisition unit is used for acquiring the polling video stream;
the tracking analysis unit is used for tracking the polling video stream according to the polling signal and obtaining the abnormal position of the oil-gas pipeline according to the tracking result;
the inspection control unit is used for generating a holder positioning instruction and a monitoring equipment fusion focal instruction according to the abnormal position so as to enable the holder and the monitoring equipment to execute the corresponding instructions and feed back to the position signals;
and the alarm analysis unit is used for packing the alarm information of the abnormal position acquired by the monitoring equipment and starting alarm according to the in-place signals of the holder and the monitoring equipment.
10. An oil and gas pipeline safety protection system, comprising: the oil and gas pipeline safety device and the cloud deck carrying the monitoring equipment of claim 9.
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| CN115273268A (en) * | 2022-07-27 | 2022-11-01 | 中建三局集团有限公司 | Large-scene construction site inspection method based on tower crane carrying zoom camera |
| CN116403302A (en) * | 2023-03-09 | 2023-07-07 | 深圳叮当科技技术有限公司 | Construction inspection system, construction inspection method and inspection equipment |
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