CN112009525A - Track foreign matter intrusion detection system based on remote sensing technology - Google Patents
Track foreign matter intrusion detection system based on remote sensing technology Download PDFInfo
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- CN112009525A CN112009525A CN202010850044.9A CN202010850044A CN112009525A CN 112009525 A CN112009525 A CN 112009525A CN 202010850044 A CN202010850044 A CN 202010850044A CN 112009525 A CN112009525 A CN 112009525A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 241001465754 Metazoa Species 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000009545 invasion Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/041—Obstacle detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/886—Radar or analogous systems specially adapted for specific applications for alarm systems
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a track foreign matter intrusion detection system based on a remote sensing technology, which comprises a remote sensing unit, an image acquisition unit and a main control unit, wherein the remote sensing unit is used for detecting an intrusion target and acquiring positioning information of the intrusion target, the image acquisition unit is used for responding to an image acquisition control signal and acquiring image information of the intrusion target, the main control unit is used for generating the image acquisition control signal according to the positioning information of the intrusion target, rechecking the intrusion target according to the image information of the intrusion target, and if the rechecking result is yes, giving an alarm to the outside. According to the invention, the problem of low detection accuracy of the existing radar-based high-speed railway foreign matter intrusion detection system due to the fact that a single remote sensing detection mode is adopted to detect the intrusion target can be solved.
Description
Technical Field
The invention belongs to the field of track perimeter protection, and particularly relates to a track foreign matter intrusion detection system based on a remote sensing technology.
Background
With the rapid development of high-speed railways and high-speed train technologies, the improvement of the running speed of high-speed railway trains and the increase of train density, how to ensure the running safety becomes more and more important, and higher requirements are put forward for a train safety guarantee system.
A foreign matter intrusion detection system of a high-speed railway is one of important means for ensuring the running safety of a high-speed railway train. The high-speed railway foreign matter intrusion detection system is mainly arranged on a section of a high-speed railway where foreign matter intrusion is likely to occur, such as a section where a road crosses the railway, a section where the road and the railway are close to each other in parallel, and a section where a line passes through a mountain area and collapse, falling rocks and the like are likely to occur. Once the foreign body invasion limit occurs, the high-speed railway foreign body invasion limit detection system can send out an alarm in time, and invade limit information to be transmitted to the driving dispatching center in real time, so that a basis is provided for issuing instructions such as driving control and maintenance management, and major driving accidents are effectively avoided.
In recent years, with the rapid development of radar detection algorithms, radar-based high-speed railway foreign object intrusion detection systems are increasingly applied to high-speed railway foreign object intrusion detection, and gradually show a trend of replacing the high-speed railway foreign object intrusion detection systems based on machine vision. However, in use, the existing radar-based high-speed railway foreign object intrusion detection system occasionally reports false, and the detection accuracy of the existing radar-based high-speed railway foreign object intrusion detection system needs to be further improved.
Disclosure of Invention
The invention aims to solve the problem that the detection accuracy of the existing radar-based high-speed railway foreign matter invasion detection system needs to be further improved.
In order to achieve the above object, the present invention provides a rail foreign object intrusion detection system based on a remote sensing technology, comprising:
the remote sensing unit is used for detecting the intrusion target and acquiring the positioning information of the intrusion target;
the image acquisition unit is used for responding to an image acquisition control signal and acquiring image information of the intrusion target;
and the main control unit is used for generating the image acquisition control signal according to the positioning information of the intrusion target, rechecking the intrusion target according to the image information of the intrusion target, and giving an alarm to the outside if the rechecking result is positive.
Preferably, the remote sensing unit determines the intrusion target and filters the interference of the interferent of the predetermined item based on a built-in intrusion foreign matter recognition analysis algorithm.
Preferably, when the intrusion target is a fixed intrusion target, the positioning information of the intrusion target includes a position of the intrusion target; when the intrusion target is a mobile intrusion target, the positioning information of the intrusion target comprises the position, the moving speed and the moving direction of the intrusion target.
Preferably, the image capture control signal includes an image capture start signal and an image capture direction control signal.
Preferably, the external alarm mode of the main control unit includes:
and sending the positioning information and the image information of the intrusion target to a monitoring background.
Preferably, the track foreign object intrusion detection system further includes:
and the wireless communication unit is used for establishing connection between the main control unit and the monitoring background.
Preferably, the track foreign object intrusion detection system further includes:
the acousto-optic alarm unit is used for responding to the acousto-optic alarm signal and carrying out acousto-optic alarm on the intruder;
and the main control unit is also used for generating the acousto-optic alarm signal when the intrusion target is an intruder.
Preferably, the track foreign object intrusion detection system further includes:
and the self-generating unit is used for simultaneously supplying power to the remote sensing unit, the image acquisition unit and the main control unit.
Preferably, the interferents include plants, animals and trains.
Preferably, the remote sensing unit is realized by a millimeter wave radar, the image acquisition unit is realized by a movable camera, and the main control unit is realized by a microprocessor.
The invention has the beneficial effects that:
the track foreign matter intrusion detection system provided by the invention realizes remote sensing detection of an intrusion target based on the remote sensing unit, and when the intrusion target is detected, machine vision detection of the intrusion target is realized based on the main control unit and the image acquisition unit. The track foreign matter intrusion detection system provided by the invention detects the track foreign matter intrusion by adopting a composite detection mode of remote sensing and machine vision, and has higher detection accuracy and lower false alarm rate compared with the traditional high-speed railway foreign matter intrusion detection system based on radar which adopts a single remote sensing detection mode.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 shows a schematic block diagram of a remote sensing technology based track anomaly violation detection system according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example (b): FIG. 1 shows a schematic block diagram of a remote sensing technology based track anomaly violation detection system according to an embodiment of the present invention. Referring to fig. 1, the track foreign object intrusion detection system based on the remote sensing technology of the present embodiment includes:
the remote sensing unit is used for detecting the intrusion target and acquiring the positioning information of the intrusion target;
the image acquisition unit is used for responding to an image acquisition control signal and acquiring image information of the intrusion target;
and the main control unit is used for generating the image acquisition control signal according to the positioning information of the intrusion target, rechecking the intrusion target according to the image information of the intrusion target, and giving an alarm to the outside if the rechecking result is positive.
In this embodiment, the remote sensing unit is implemented by a millimeter wave radar, the image acquisition unit is implemented by a movable camera, and the main control unit is implemented by a microprocessor.
In this embodiment, the remote sensing unit determines the intrusion target and filters the interference of the interferent of the predetermined item based on a built-in intrusion foreign matter identification analysis algorithm. The disturbances include plants, animals, and the train itself.
In this embodiment, when the violation target is a fixed violation target, the positioning information of the violation target includes a position of the violation target; when the intrusion target is a mobile intrusion target, the positioning information of the intrusion target comprises the position, the moving speed and the moving direction of the intrusion target.
After the main control unit receives the positioning information of the invasion limit target sent by the remote sensing unit, the main control unit generates an image acquisition control signal according to the positioning information of the invasion limit target and sends the image acquisition control signal to the image acquisition unit. The image acquisition control signal comprises an image acquisition starting signal and an image acquisition direction control signal. The image acquisition unit realizes image acquisition on a fixed invasion limit target and visual angle tracking and image acquisition on a movable invasion limit target according to the image acquisition control signal.
The track foreign matter intrusion detection system of the embodiment further comprises a wireless communication unit, an acousto-optic alarm unit and a self-generating unit;
after the main control unit rechecks the limit-invading target, the main control unit uploads the positioning information and the image information of the limit-invading target to the cloud server through the wireless communication unit, the cloud server forwards the received positioning information and the received image information of the limit-invading target to the monitoring terminal, the monitoring terminal can be a computer, a mobile phone and the like, and corresponding monitoring software is installed on the monitoring terminal.
And when the main control unit rechecks the intrusion target, the main control unit continuously judges whether the intrusion target is an intruder, and when the judgment result is yes, the main control unit performs sound-light alarm on the intruder through the sound-light alarm unit to perform field driving-away on the intruder.
The self-generating unit is used for simultaneously supplying power to the remote sensing unit, the image acquisition unit, the main control unit, the wireless communication unit and the acousto-optic alarm unit.
In this embodiment, the wireless communication unit is implemented by a cellular communication module, and the acousto-optic warning unit is implemented by an acousto-optic warning device, which can not only give out warning acousto-optic sound, but also give a voice warning to intruders to prompt the intruders to leave the track area as soon as possible. The self-generating unit comprises a solar power generation system and a power module, wherein the power module is used for converting the voltage output by the solar power generation system into the voltage required by each electricity utilization unit of the track foreign matter invasion limit detection system.
The track foreign matter intrusion detection system of the embodiment realizes ad hoc network through the wireless communication unit and realizes self power supply through the self power generation unit, and is suitable for track scenes without a wired network and mains supply access.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. Track foreign body infringes limit detecting system based on remote sensing technology, its characterized in that includes:
the remote sensing unit is used for detecting the intrusion target and acquiring the positioning information of the intrusion target;
the image acquisition unit is used for responding to an image acquisition control signal and acquiring image information of the intrusion target;
and the main control unit is used for generating the image acquisition control signal according to the positioning information of the intrusion target, rechecking the intrusion target according to the image information of the intrusion target, and giving an alarm to the outside if the rechecking result is positive.
2. The track foreign body intrusion detection system according to claim 1, wherein the remote sensing unit determines an intrusion target and filters interference of interferents of a predetermined item based on a built-in intrusion foreign body recognition analysis algorithm.
3. The system according to claim 1, wherein when the infringement target is a fixed infringement target, the location information of the infringement target includes a location of the infringement target; when the intrusion target is a mobile intrusion target, the positioning information of the intrusion target comprises the position, the moving speed and the moving direction of the intrusion target.
4. The system of claim 1, wherein the image capture control signals comprise an image capture initiation signal and an image capture direction control signal.
5. The system for detecting the intrusion of the foreign objects into the track according to claim 1, wherein the external alarm mode of the main control unit comprises:
and sending the positioning information and the image information of the intrusion target to a monitoring background.
6. The rail foreign intrusion detection system of claim 1, further comprising:
and the wireless communication unit is used for establishing connection between the main control unit and the monitoring background.
7. The rail foreign intrusion detection system of claim 1, further comprising:
the acousto-optic alarm unit is used for responding to the acousto-optic alarm signal and carrying out acousto-optic alarm on the intruder;
and the main control unit is also used for generating the acousto-optic alarm signal when the intrusion target is an intruder.
8. The rail foreign intrusion detection system of claim 1, further comprising:
and the self-generating unit is used for simultaneously supplying power to the remote sensing unit, the image acquisition unit and the main control unit.
9. The rail foreign intrusion detection system of claim 2, wherein the interfering objects include plants, animals and trains.
10. The system of claim 1, wherein the remote sensing unit is implemented by a millimeter wave radar, the image acquisition unit is implemented by a movable camera, and the main control unit is implemented by a microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850044.9A CN112009525A (en) | 2020-08-21 | 2020-08-21 | Track foreign matter intrusion detection system based on remote sensing technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010850044.9A CN112009525A (en) | 2020-08-21 | 2020-08-21 | Track foreign matter intrusion detection system based on remote sensing technology |
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| CN112009525A true CN112009525A (en) | 2020-12-01 |
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| CN202010850044.9A Pending CN112009525A (en) | 2020-08-21 | 2020-08-21 | Track foreign matter intrusion detection system based on remote sensing technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114187517A (en) * | 2021-12-14 | 2022-03-15 | 广州赋安数字科技有限公司 | Abnormal target detection method and system integrating video monitoring and remote sensing |
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Application publication date: 20201201 |