CN105966424A - High-definition railway line safety monitoring system based on laser positioning - Google Patents
High-definition railway line safety monitoring system based on laser positioning Download PDFInfo
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- CN105966424A CN105966424A CN201610382414.4A CN201610382414A CN105966424A CN 105966424 A CN105966424 A CN 105966424A CN 201610382414 A CN201610382414 A CN 201610382414A CN 105966424 A CN105966424 A CN 105966424A
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- monitoring system
- safety monitoring
- laser
- high definition
- chip microcomputer
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000004891 communication Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000006399 behavior Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- B61L23/007—Safety arrangements on railway crossings
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data
- G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a high-definition railway line safety monitoring system based on laser positioning. The monitoring system comprises a laser ranger, a control unit, a camera and a rotating platform, wherein the laser ranger, the control unit, the camera and the rotating platform are electrically connected in sequence. The laser ranger is mounted according to the actually required height. The control unit comprises a single chip microcomputer and a video output device. The camera is located on the rotating platform. The monitoring system can judge target pedestrian positions and conduct alarming reminding, and also can obtain pictures of pedestrians so that the pedestrians can be warned or punished afterwards for behaviors.
Description
Technical field
The invention belongs to railway traffic security technology area, be specifically related to one based on laser positioning and high definition Along Railway safety monitoring system.
Background technology
Development along with railway science and technology, the monitoring system of railway is more and more diversified, and the requirement to monitoring system is more and more higher, the monitoring system of most railway uses installs monitoring camera realization, but there is various defect, the most visible is exactly that video camera exists visual field leak, and the scene of specific region can only be monitored in the case of focal length sets by photographic head, it is impossible to omnibearing be monitored all railway regions.
For the requirement meeting monitoring system of requirements at the higher level, occur in that ultrasonic measurement distance afterwards, whether have pedestrian by the multilevel iudge between distance and the distance arranging reference target of the pedestrian obtained, report to the police according to judgement.But it is disadvantageous in that, ultrasound accuracy of measurement is low, and market is the most gradually eliminated this localization method, and target image is not obtained by it.
Accordingly, it is desirable to provide the monitoring system that a kind of function is more comprehensive, certainty of measurement is more increased is to catch up with the application demand of China railways development in science and technology.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide one based on laser positioning and high definition Along Railway safety monitoring system, in addition to realizing target pedestrian position is judged, carrying out warning reminding, can also obtain the image of this pedestrian, the behavior to this pedestrian alerts afterwards or punishes.
One is based on laser positioning and high definition Along Railway safety monitoring system, described monitoring system includes laser range finder, control unit, video camera and the rotation platform being sequentially connected electrically, described laser range finder height according to actual needs is installed, described control unit includes single-chip microcomputer and audio output device, and described position for video camera is on described rotation platform.
Preferably, described laser range finder constantly sends laser pulse signal and obtains range information the range information transmission extremely described control unit that will reflect back into；Described single-chip microcomputer is electrically connected with described laser range finder, according to the actual range information that described laser range finder obtains, described single-chip microcomputer determines whether that pedestrian is in orbit: if described single-chip microcomputer judges there is people on rail, described single-chip microcomputer sends control instruction to alarm device, alarm device performs alarm prompt, the most described single-chip microcomputer is through calculating the distance and angle obtaining pedestrian's relative camera, described single-chip microcomputer sends control instruction to described rotation platform according to result of calculation, described rotation platform turns an angle and makes pedestrian in camera field of view, and the focal length regulating photographic head makes photographic head clearly obtain person image.
Preferably, the measurement coverage of described laser range finder is 1km, and the angle of divergence is less than 1.2mrad.
Preferably, the height being actually needed described in is the height of overhead 60cm.
Preferably, the frequency of described laser range finder is more than 10Hz.
Preferably, described single-chip microcomputer has serial communication function.
Preferably, described turntable is controlled by serial communication.
Preferably, the load-carrying of described turntable is more than the weight of video camera.
Preferably, described turntable and described video camera are integration apparatus.
Preferably, described video camera has zoom function.
Technical scheme has the advantages that
The one that the present invention provides is based on laser positioning and high definition Along Railway safety monitoring system, utilize laser ranging technique and single-chip microcomputer control technology, railway is carried out monitoring in real time in 24 hours, to avoid pedestrian or domestic animal to be strayed into road junction, thus avoid potential safety hazard, lower security incident incidence rate；Image capturing to the pedestrian being strayed into or entering intentionally railway road, warns it afterwards simultaneously；Simple to operate, reliability is high；Preferably auxiliary care provider carries out railway monitoring, improves work efficiency.
Accompanying drawing explanation
Below by drawings and Examples, technical scheme is described in further detail.
Fig. 1 is a kind of system structure schematic diagram based on laser positioning Yu high definition Along Railway safety monitoring system of the present invention；
Fig. 2 is a kind of overall railway system figure based on laser positioning with high definition Along Railway safety monitoring system of the present invention.
Detailed description of the invention
In order to have a clear understanding of technical scheme, its detailed structure be will be set forth in the description that follows.Obviously, the concrete also deficiency of implementing of the embodiment of the present invention is limited to the specific details that those skilled in the art is familiar with.The preferred embodiments of the present invention are described in detail as follows, in addition to these embodiments described in detail, it is also possible to have other embodiments.
With embodiment, the present invention is described in further details below in conjunction with the accompanying drawings.
Present invention one, based on laser positioning and high definition Along Railway safety monitoring system, is a kind of system structure schematic diagram based on laser positioning Yu high definition Along Railway safety monitoring system of the present invention in conjunction with Fig. 1 and Fig. 2, Fig. 1；Fig. 2 is a kind of overall railway system figure based on laser positioning with high definition Along Railway safety monitoring system of the present invention.
One shown in figure is based on laser positioning and high definition Along Railway safety monitoring system, including the laser range finder being sequentially connected electrically, control unit, video camera and rotation platform, described laser range finder height according to actual needs is installed, described control unit includes single-chip microcomputer and audio output device, described position for video camera is on described rotation platform, and described laser range finder constantly sends laser pulse signal and obtains range information the range information transmission extremely described control unit that will reflect back into；nullDescribed single-chip microcomputer is electrically connected with described laser range finder，According to the actual range information that described laser range finder obtains, described single-chip microcomputer determines whether that pedestrian is in orbit: if described single-chip microcomputer judges there is people on rail，Described single-chip microcomputer sends control instruction to alarm device，Alarm device performs alarm prompt，The most described single-chip microcomputer is through calculating the distance and angle obtaining pedestrian's relative camera，Described single-chip microcomputer sends control instruction to described rotation platform according to result of calculation，Described rotation platform turns an angle and makes pedestrian in camera field of view，And the focal length regulating photographic head makes photographic head clearly obtain person image，Described single-chip microcomputer has serial communication function，Described turntable is controlled by serial communication，The load-carrying of described turntable is more than the weight of video camera，Described turntable and described video camera are integration apparatus，Described video camera has zoom function.
nullIn the present embodiment，Have chosen and be provided with laser range finder 3. at distance ground 60cm，3. laser range finder reaches 1km for measurement distance，The angle of divergence is less than 1.2mrad，Measure frequency more than 10Hz，The acquisition range information that laser range finder is the most real-time，When not having pedestrian or domestic animal etc. to occur，Laser range finder can not get range information，It is set to sky，If when railway protective hurdle breach or crossing pedestrian 2. have a mind to or be strayed into railroad track 1. time，3. laser range finder obtains range information，3. 5. single-chip microcomputer communicate with laser range finder，Read in real time range information and utilize laser range finder be 3. calculated with video camera fixed position information 4. video camera 4. with pedestrian's relative position relation 2.，5. single-chip microcomputer controls camera motion according to calculated relative position relation，And the focal length of video camera is set，Obtain pedestrian's image information 2..On the other hand, single-chip microcomputer produces audio alert signal, reminds pedestrian 2. to leave.
Shown in Fig. 2, in railway road, every 1km, equipment is installed a set of equipment, whole piece railway is carried out omnibearing monitoring.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit; although the present invention being described in detail with reference to above-described embodiment; the detailed description of the invention of the present invention still can be modified or equivalent by those of ordinary skill in the field; these are without departing from any amendment of spirit and scope of the invention or equivalent, all within the claims that application is awaited the reply.
Claims (10)
1. one kind based on laser positioning and high definition Along Railway safety monitoring system, it is characterized in that, described monitoring system includes laser range finder, control unit, video camera and the rotation platform being sequentially connected electrically, described laser range finder height according to actual needs is installed, described control unit includes single-chip microcomputer and audio output device, and described position for video camera is on described rotation platform.
The most according to claim 1 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that described laser range finder constantly sends laser pulse signal and obtains range information and the range information that will reflect back into sends extremely described control unit；Described single-chip microcomputer is electrically connected with described laser range finder, according to the actual range information that described laser range finder obtains, described single-chip microcomputer determines whether that pedestrian is in orbit: if described single-chip microcomputer judges there is people on rail, described single-chip microcomputer sends control instruction to alarm device, alarm device performs alarm prompt, the most described single-chip microcomputer is through calculating the distance and angle obtaining pedestrian's relative camera, described single-chip microcomputer sends control instruction to described rotation platform according to result of calculation, described rotation platform turns an angle and makes pedestrian in camera field of view, and the focal length regulating photographic head makes photographic head clearly obtain person image.
The most according to claim 2 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that the measurement coverage of described laser range finder is 1km, the angle of divergence is less than 1.2mrad.
The most according to claim 2 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that described in the height that height is overhead 60cm that is actually needed.
The most according to claim 2 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that the frequency of described laser range finder is more than 10Hz.
The most according to claim 2 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that described single-chip microcomputer has serial communication function.
The most according to claim 1 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that described turntable is controlled by serial communication.
The most according to claim 1 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that the load-carrying of described turntable is more than the weight of video camera.
The most according to claim 1 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that described turntable and described video camera are integration apparatus.
The most according to claim 1 based on laser positioning and high definition Along Railway safety monitoring system, it is characterised in that described video camera has zoom function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382414.4A CN105966424A (en) | 2016-06-02 | 2016-06-02 | High-definition railway line safety monitoring system based on laser positioning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610382414.4A CN105966424A (en) | 2016-06-02 | 2016-06-02 | High-definition railway line safety monitoring system based on laser positioning |
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| CN105966424A true CN105966424A (en) | 2016-09-28 |
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| CN201610382414.4A Pending CN105966424A (en) | 2016-06-02 | 2016-06-02 | High-definition railway line safety monitoring system based on laser positioning |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248250A (en) * | 2017-08-11 | 2017-10-13 | 李易东 | Limit monitoring method and system are invaded in a kind of rail yard construction |
| CN109159803A (en) * | 2018-08-24 | 2019-01-08 | 中铁武汉勘察设计研究院有限公司 | A kind of rolling stock plane positioning system |
| CN109229157A (en) * | 2018-08-24 | 2019-01-18 | 中铁武汉勘察设计研究院有限公司 | A kind of rolling stock positioning system |
| CN109229156A (en) * | 2018-08-24 | 2019-01-18 | 中铁武汉勘察设计研究院有限公司 | A kind of rolling stock 3 D positioning system |
| CN112455502A (en) * | 2019-09-09 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Train positioning method and device based on laser radar |
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| CN103475872A (en) * | 2013-10-02 | 2013-12-25 | 哈尔滨理工大学 | Railway abnormal object detecting device based on cloud vision |
| CN204945409U (en) * | 2015-08-29 | 2016-01-06 | 西安希德电子信息技术股份有限公司 | A kind of three-dimensional laser radar warning system of railway obstacle being carried out to monitoring automatically |
| JP2016088183A (en) * | 2014-10-31 | 2016-05-23 | 株式会社Ihi | Obstacle detection system and railway vehicle |
| CN205661461U (en) * | 2016-06-02 | 2016-10-26 | 绵阳天眼激光科技有限公司 | Based on swashing optical locating and high definition railway safety monitoring system along line |
-
2016
- 2016-06-02 CN CN201610382414.4A patent/CN105966424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102523472A (en) * | 2011-12-14 | 2012-06-27 | 天津大学 | Self-rotary scaffolding convergent multi-view three-dimensional data collection system and method |
| CN103475872A (en) * | 2013-10-02 | 2013-12-25 | 哈尔滨理工大学 | Railway abnormal object detecting device based on cloud vision |
| JP2016088183A (en) * | 2014-10-31 | 2016-05-23 | 株式会社Ihi | Obstacle detection system and railway vehicle |
| CN204945409U (en) * | 2015-08-29 | 2016-01-06 | 西安希德电子信息技术股份有限公司 | A kind of three-dimensional laser radar warning system of railway obstacle being carried out to monitoring automatically |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248250A (en) * | 2017-08-11 | 2017-10-13 | 李易东 | Limit monitoring method and system are invaded in a kind of rail yard construction |
| CN109159803A (en) * | 2018-08-24 | 2019-01-08 | 中铁武汉勘察设计研究院有限公司 | A kind of rolling stock plane positioning system |
| CN109229157A (en) * | 2018-08-24 | 2019-01-18 | 中铁武汉勘察设计研究院有限公司 | A kind of rolling stock positioning system |
| CN109229156A (en) * | 2018-08-24 | 2019-01-18 | 中铁武汉勘察设计研究院有限公司 | A kind of rolling stock 3 D positioning system |
| CN112455502A (en) * | 2019-09-09 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Train positioning method and device based on laser radar |
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Application publication date: 20160928 |