CN103091724A - Automatic detection method and device of foreign bodies between linear subway platform shielded gate and train - Google Patents
Automatic detection method and device of foreign bodies between linear subway platform shielded gate and train Download PDFInfo
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- CN103091724A CN103091724A CN2013100392874A CN201310039287A CN103091724A CN 103091724 A CN103091724 A CN 103091724A CN 2013100392874 A CN2013100392874 A CN 2013100392874A CN 201310039287 A CN201310039287 A CN 201310039287A CN 103091724 A CN103091724 A CN 103091724A
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Abstract
The invention discloses an automatic detection method and a device of foreign bodies between a linear subway platform shielded gate and a train. Main components comprise a light band, a camera, a display and a computer system. The light band is arranged on a gap belt between the train and the platform shielded gate at the end of the platform. The camera is arranged on an unoperated position of a head of the train or a platform of the front. The camera and the light band are conplane. The camera shoots gap images and light band images between the shielded gate and the train, sharpness of the gap images are strengthened through image processing techniques, the foreign bodies in a gap are detected, and results are sent to a driver and a subway system through the display. Real-time high definition gap images and foreign bodies detection results are provided, and system reliability is improved. The driver has no need to get off and can finish detection tasks, stopping time is reduced, and subway operating efficiency is improved. Artificial detection manners are kept completely, and therefore even though a detection device has a breakdown, normal operation of the subway cannot be influenced.
Description
Technical field
The present invention relates to whether have between train and platform the detection method of barrier, relate in particular to barrier automatic testing method and device thereof between straight line metro platform shield door and train.
Background technology
Along with the lasting fast development of city underground, some new problems engender.Because the subway freight volume is large, assemble and the place of changing at its station major pedestrian movement often, ensures that the passenger safety trip becomes the primary goal of metro operation.In order to ensure passenger's safety of riding, prevent from accident by bus occurs in a large amount of crowded passenger flow situations, a shield door mostly is set, one barrier with door that namely facilitates the passenger to ride between present subway platform and train.On subway platform, shield door being installed is the facility of the developing necessity of subway construction, shield door comes platform and train operation zone isolation, the opening and closing of automatic control gate, it not only can provide reliable safety guarantee for the passenger that waits, and can will wait space and vehicular tunnel space separate, reduce noise, Jian is complete, environmental protection, energy-conservation being integrated, for the passenger builds comfortable waiting environment.Yet, because an intersegmental distance is arranged between subway train and shield door, because launch train speed is fast, if occuring, the passenger is sandwiched in addition situation between shield door and train door when launch train, will produce serious consequence, harm passenger's life security and subway normally move.Consider based on safety and efficient, between the train of present domestic subway station and shield door, minor increment is 15 centimetres of left and right, can at the width of shield door erecting equipment only in 3 ~ 4 centimetres.
Between train and shield door, the foreign matter detection has manual detection, infra-red detection and three kinds of methods of laser detection at present.The manual detection method is carried out hand inspection for first getting off before being driven by train driver, judges whether that passenger or foreign matter are by in the slot of pinching between train and shield door.Whether concrete way is that the driver walks out from pilothouse, blocked by barrier at " light belt " by train tailstock place, more than 100 meter of visual inspection, and " light belt " is between train and shield door.But hand inspection efficient is low, and labour intensity is large, has had a strong impact on train passage efficient.The ground subways such as Guangzhou, Beijing, Shenzhen and Nanjing all also adopt the manual detection mode at present.
The infra-red detection method is for detecting the existence whether people or other barrier are arranged between train and shield door infrared light curtain has been installed on subway shield door, but each shield door is installed a cover infrared light curtain or several shield door shares a cover infrared light curtain.Because of glass and the compartment casing larger to ultrared reflex and infrared light spot, infrared acquisition method wrong report and rate of failing to report are higher, practical effect is very poor, and cost of investment and maintenance cost all high.Laser detecting method (" laser obstacle monitoring control system between metro platform shield door and train door ", the patent No. 200910010082.7) for many group generating lasers and laser pickoff are arranged on respectively headstock and tailstock place on gap axis between train and shield door, judge whether laser beam is blocked to check whether have barrier between train and shield door.But approximately there are 150 meters owing to detecting distance, laser pickoff place hot spot can be larger, therefore every group of generating laser and laser pickoff distance must be larger, exist and detect in a big way the blind area, aim at also more difficult between generating laser and laser pickoff, the train safe gauge requirement of travelling in addition also not have at present the little length of suitable volume apart from the laser detector product.
Summary of the invention
The object of the invention is to overcome the shortcoming and defect that prior art exists, barrier automatic testing method and device thereof between straight line metro platform shield door and train are provided, the metro platform shield door foreign matter that small volume of the present invention can satisfy installation requirement and accuracy of identification is higher, robustness is good detects automatically, with safety, auxiliary or replace the train operator to complete detection accurately.
The present invention is achieved through the following technical solutions:
Foreign matter automatic testing method between straight line metro platform shield door and train, the gap image between video camera picked-up shield door and train and station tail light belt image by image enhancement technique, strengthen the sharpness of the gap image between shield door and train; The image of contrast Real-time Obtaining, the image difference when analyzing foreign between shield door and train and the image change that detects light belt are carried out foreign matter identification; Then real-time gap image and testing result are offered the driver by display and voice module.
Foreign matter automatic detection device between straight line metro platform shield door and train, comprise the place of the tailstock when being arranged on Train Stopping train and the light belt between platform screen door, be arranged between train head's parking spot and shield door or the video camera of anterior platform, platform that when being arranged on Train Stopping, in pilothouse, the driver can conveniently watch on or hang skyborne display, computer system, described video camera is connected computer system with display.
Described light belt is the bar shaped luminous band; Described video camera is 1 ~ 4, and between the upper and lower every layout, with light belt in one plane; Described video camera can be that width is not more than the high-definition camera of 3 centimetres.
The present invention has the following advantages compared with prior art:
(1) the present invention can realize that foreign matter between subway shield door and train (barrier) detects automatically, in existing subway station platform situation linearly, whether do not have and have image difference two kind methods of foreign matter realize foreign matter detect, can realize that between shield door in 180 meters scopes and train, foreign matter detects automatically if utilizing image processing techniques automatically to detect to judge light belt to be blocked and contrast by foreign matter.
(2) the present invention adopts high brightness, the light belt (LED) of contrast, directed optically focused is distinguished the foreign matter between subway shield door and train by force, this light belt is strong because of contrast, can be effectively with video image in other backgrounds distinguish mutually and the impact that not existed by background and other object, be conducive to target identification.
(3) video that photographs of video camera of the present invention passes through computer system processor, whether slot video image and detection clearly has the result of foreign matter to be transferred to display is watched for the driver, assist and the replacement manual detection, reliability is high, also automatic testing result can be transferred to subway signal system and train control system, guarantee the operation of train automatic safe.
(4) the present invention takes full advantage of the video clip close friend, sense directly perceived is strong and the succinct advantage of audio alert signal, can see slot video image and automatic testing result and the voice suggestion of hearing testing result clearly in pilothouse, can reduce the Train Stopping time, improve operational efficiency.
(5) the present invention is owing to having kept former artificial detection method fully, even the automatic checkout equipment fault does not affect train yet and normally runs.
(6) the present invention's light curtain and laser measuring technology relatively has installation, debugging and the simple and convenient and system performance cost ratio high of maintenance.
Description of drawings
Fig. 1 is the front elevational schematic of light belt, video camera, the display installation site in the present invention.
Fig. 2 is the schematic top plan view of light belt, video camera, the display installation site in the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is done further concrete detailed description the in detail.
Embodiment
As shown in Figure 1, 2.Foreign matter automatic testing method between straight line metro platform shield door of the present invention and train, the gap image between video camera picked-up shield door and train and station tail light belt image by image enhancement technique, strengthen the sharpness of the gap image between shield door and train; The image of contrast Real-time Obtaining, the image difference when analyzing foreign between shield door and train and the image change that detects light belt are carried out foreign matter identification; Then real-time gap image and testing result are offered the driver by display and voice module.
Foreign matter automatic detection device between straight line metro platform shield door and train, comprise the place of the tailstock when being arranged on Train Stopping train and the light belt between platform screen door 1, be arranged between train head's parking spot and shield door or the video camera 4 of anterior platform, platform that when being arranged on Train Stopping, in pilothouse, the driver can conveniently watch on or hang skyborne display 3, computer system 2, described video camera 4 is connected with display and is connected computer system 2.
Described light belt 1 is the bar shaped luminous band; Described video camera 4 is 1 ~ 4, and between the upper and lower every layout, with light belt 1 in one plane.
Described video camera 4 is not more than the video camera of 3 centimetres for width, wherein the antenna height of a video camera 2 is about 40cm overhead, and the antenna height of other video camera is determined apart from actual conditions; Display 3 is installed on the place ahead platform of train head or is hung in the air, and its position is to be conducive to the driver conveniently to see on display high-definition image and testing result in slot in real time in driving cabin; Computer system 2 arranges and the platform correct position.
The invention reside in the utilization method of video image processing, strengthen the sharpness of the gap image between shield door and train; Between contrast real-time image acquisition and shield door and train during foreign the image difference carry out foreign matter and identify, and real-time gap image and testing result are offered the driver by display 3.
Embodiments of the present invention are not restricted to the described embodiments; other are any does not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitute, combination, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (5)
1. foreign matter automatic testing method between straight line metro platform shield door and train, it is characterized in that, gap image between video camera picked-up shield door and train and station tail light belt image by image enhancement technique, strengthen the sharpness of the gap image between shield door and train; The image of contrast Real-time Obtaining, the image difference when analyzing foreign between shield door and train and the image change that detects light belt are carried out foreign matter identification; Then real-time gap image and testing result are offered the driver by display and voice module.
2. foreign matter automatic detection device between straight line metro platform shield door and train, it is characterized in that comprising the place of the tailstock when being arranged on Train Stopping train and the light belt between platform screen door, be arranged between train head's parking spot and shield door or the video camera of anterior platform, platform that when being arranged on Train Stopping, in pilothouse, the driver can conveniently watch on or hang skyborne display, computer system, described video camera is connected computer system with display.
3. barrier automatic testing method between straight line metro platform shield door according to claim 2 and train, is characterized in that, described light belt is the bar shaped luminous band.
4. barrier automatic testing method between straight line metro platform shield door according to claim 2 and train, is characterized in that, described video camera is 1 ~ 4, and between the upper and lower every layout, with light belt in one plane.
5. barrier automatic testing method between straight line metro platform shield door according to claim 2 and train, is characterized in that, described video camera is that width is not more than the video camera of 3 centimetres.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310039287.4A CN103091724B (en) | 2013-01-31 | 2013-01-31 | Foreign matter automatic testing method and device thereof between straight line metro platform shield door and train |
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| CN201310039287.4A CN103091724B (en) | 2013-01-31 | 2013-01-31 | Foreign matter automatic testing method and device thereof between straight line metro platform shield door and train |
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| CN103091724B CN103091724B (en) | 2015-12-02 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049281A (en) * | 2014-07-02 | 2014-09-17 | 广州市地下铁道总公司 | Device and method for automatically detecting foreign matter between screen door of curve subway platform and train |
| CN104199119A (en) * | 2014-08-20 | 2014-12-10 | 华南理工大学 | Lamp belt device for detecting foreign matters in gaps between shielded gate at metro platform and train |
| CN106403832A (en) * | 2016-10-26 | 2017-02-15 | 中国铁道科学研究院通信信号研究所 | System for detecting gap between compartment door and platform door of FAO (Fully Automatic Operation) train |
| CN107765324A (en) * | 2016-08-15 | 2018-03-06 | 上海卓思智能科技股份有限公司 | A kind of vent cabinet window foreign matter detecting method and device based on laser image |
| CN108454635A (en) * | 2018-03-31 | 2018-08-28 | 广州明森科技股份有限公司 | A kind of foreign matter detection system between the shield door and train door of subway platform |
| CN109878552A (en) * | 2019-03-26 | 2019-06-14 | 广州地铁集团有限公司 | Monitoring foreign bodies device between rail traffic platform door based on machine vision and train |
| CN110501699A (en) * | 2019-09-09 | 2019-11-26 | 中车南京浦镇车辆有限公司 | Obstacle detection system and detection method between a kind of shield door and car body |
| CN110685536A (en) * | 2018-07-04 | 2020-01-14 | 郑州宇通客车股份有限公司 | Automatic driving vehicle safety control method and device |
| WO2020155294A1 (en) * | 2019-02-01 | 2020-08-06 | 方大智创科技有限公司 | Machine vision technology-based obstacle detection and early-warning system for subway platform door |
| CN113128321A (en) * | 2020-01-16 | 2021-07-16 | 宁波微科光电股份有限公司 | Method for detecting foreign matters on subway door |
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| CN101105096A (en) * | 2007-08-23 | 2008-01-16 | 上海交通大学 | Platform shield door intelligent control system |
| CN202624208U (en) * | 2012-04-28 | 2012-12-26 | 上海工程技术大学 | Person-clamping-preventing monitoring system of metro platform shielding door |
| CN203259667U (en) * | 2013-01-31 | 2013-10-30 | 华南理工大学 | Automatic detection apparatus for foreign matter between platform shield door and train of linear subway |
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2013
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| CN101105096A (en) * | 2007-08-23 | 2008-01-16 | 上海交通大学 | Platform shield door intelligent control system |
| CN202624208U (en) * | 2012-04-28 | 2012-12-26 | 上海工程技术大学 | Person-clamping-preventing monitoring system of metro platform shielding door |
| CN203259667U (en) * | 2013-01-31 | 2013-10-30 | 华南理工大学 | Automatic detection apparatus for foreign matter between platform shield door and train of linear subway |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049281B (en) * | 2014-07-02 | 2017-07-07 | 广州市地下铁道总公司 | Foreign matter automatic detection device and method between curve metro platform shield door and train |
| CN104049281A (en) * | 2014-07-02 | 2014-09-17 | 广州市地下铁道总公司 | Device and method for automatically detecting foreign matter between screen door of curve subway platform and train |
| CN104199119A (en) * | 2014-08-20 | 2014-12-10 | 华南理工大学 | Lamp belt device for detecting foreign matters in gaps between shielded gate at metro platform and train |
| CN104199119B (en) * | 2014-08-20 | 2017-04-19 | 华南理工大学 | Lamp belt device for detecting foreign matters in gaps between shielded gate at metro platform and train |
| CN107765324A (en) * | 2016-08-15 | 2018-03-06 | 上海卓思智能科技股份有限公司 | A kind of vent cabinet window foreign matter detecting method and device based on laser image |
| CN106403832A (en) * | 2016-10-26 | 2017-02-15 | 中国铁道科学研究院通信信号研究所 | System for detecting gap between compartment door and platform door of FAO (Fully Automatic Operation) train |
| CN108454635A (en) * | 2018-03-31 | 2018-08-28 | 广州明森科技股份有限公司 | A kind of foreign matter detection system between the shield door and train door of subway platform |
| CN110685536A (en) * | 2018-07-04 | 2020-01-14 | 郑州宇通客车股份有限公司 | Automatic driving vehicle safety control method and device |
| CN110685536B (en) * | 2018-07-04 | 2021-12-10 | 郑州宇通客车股份有限公司 | Automatic driving vehicle safety control method and device |
| WO2020155294A1 (en) * | 2019-02-01 | 2020-08-06 | 方大智创科技有限公司 | Machine vision technology-based obstacle detection and early-warning system for subway platform door |
| CN109878552B (en) * | 2019-03-26 | 2021-08-13 | 广州地铁集团有限公司 | Foreign matter monitoring devices between track traffic platform door and train based on machine vision |
| CN109878552A (en) * | 2019-03-26 | 2019-06-14 | 广州地铁集团有限公司 | Monitoring foreign bodies device between rail traffic platform door based on machine vision and train |
| CN110501699A (en) * | 2019-09-09 | 2019-11-26 | 中车南京浦镇车辆有限公司 | Obstacle detection system and detection method between a kind of shield door and car body |
| WO2021046962A1 (en) * | 2019-09-09 | 2021-03-18 | 中车南京浦镇车辆有限公司 | Detection system and detection method for obstacle between shielding door and vehicle body |
| CN113128321A (en) * | 2020-01-16 | 2021-07-16 | 宁波微科光电股份有限公司 | Method for detecting foreign matters on subway door |
| CN113128321B (en) * | 2020-01-16 | 2023-06-16 | 宁波微科光电股份有限公司 | Subway door foreign matter detection method |
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Owner name: GUANGZHOU METRO CORPORATION Effective date: 20150202 |
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Effective date of registration: 20150202 Address after: 510640 Tianhe District, Guangdong, No. five road, No. 381, Applicant after: South China University of Technology Applicant after: Guangzhou Metro Corporation Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Applicant before: South China University of Technology |
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