CN208069651U - A kind of detection device for foreign matter scanned based on laser or infrared acquisition - Google Patents
A kind of detection device for foreign matter scanned based on laser or infrared acquisition Download PDFInfo
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- CN208069651U CN208069651U CN201820533911.4U CN201820533911U CN208069651U CN 208069651 U CN208069651 U CN 208069651U CN 201820533911 U CN201820533911 U CN 201820533911U CN 208069651 U CN208069651 U CN 208069651U
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Abstract
The utility model discloses a kind of detection device for foreign matter scanned based on laser or infrared acquisition, including being used for the detection light curtain (1) that gap is detected between train and platform screen door between setting train and platform screen door, signal processing apparatus (2) for generating judging result is set on platform, be arranged on platform and/or platform control room in for generating the control device (3) of alarm signal, be arranged on platform and/or platform control room in storage display device (4) for storing and showing judging result and operation note and be arranged on platform and/or platform control room in be used to alarm signal feeding back to platform masters or the warning device (5) of passenger.The utility model can cover the gap between train and platform screen door comprehensively, while be suitable for various curve platforms, can ensure the safety and train normal operation of personnel to greatest extent.
Description
Technical field
The utility model is related to rail traffic security fields, and in particular to one kind based on infrared acquisition Scanning Detction train with
Gap whether there is the detection device for foreign matter of foreign matter between platform screen door.
Background technology
As metropolitan population is increasing, road traffic increasingly cannot be satisfied the traffic that people sharply increase and use
The alleviation urban traffic blocking that develops into of amount, urban track traffic plays an important role.Since London in 1863 builds up first
Since subway, subway is as a kind of important urban track traffic tool in the developed countries such as America and Europe and domestic north
The developed regions extensive use such as capital, Shanghai, Guangzhou, Shenzhen.
Urban track traffic is also wrapped as a special service industry in process of production in addition to worker's personal safety
The personal safety of passenger and the operational safety of various installations and facilities are included, many uncertain security risks are existed simultaneously,
The security feature of urban track traffic includes：(1) communal facility characteristic；(2) big flow high density；(3) closure；(4) it takes precautions against
It is difficult.
Due to the needs of train normally travel, there are the gaps of one fixed width between shield door and train, therefore are arranging
When vehicle is closed, have possibility people or object sandwiched in this gap, to cause personnel to injure or the damage of object
Bad and influence train normal operation.This just need shield door to close after, this gap is confirmed before launch train,
It could start train operation after there is no personnel or article to exist between confirmation gap.
Current detection method mainly sets Yi lookout light bar, driver Jie Zhu Yu lookout light bar range estimations in last vehicle of train She
It whether there is foreign matter between train and shield door in gap, and judgement be identified to foreign matter.For this method, due to train
For length usually at 100 meters or more, accuracy of identification has larger limitation, simultaneously because during differentiating comprising it is artificial because
The influence of element has certain erroneous judgement possibility.This detection method is only applicable to the detection on straight line platform simultaneously, works as platform
Occur will appear a large amount of check frequency when certain radian.
Invention content
The utility model is that there are blind areas in order to overcome the foreign bodies detection in the gap between platform and train in the prior art
Or the problem of causing to judge by accident due to human factor, a kind of detection device for foreign matter scanned based on laser or infrared acquisition is provided,
The gap between train and platform screen door can be covered comprehensively, while being suitable for various curve platforms, it can be to greatest extent
The safety of guarantee personnel and train normal operation.
The utility model provides a kind of foreign matter detection system based on laser or infrared acquisition, including：
Detect light curtain：It is arranged on platform, between train and platform screen door, for train and platform screen door
Between gap detected, for generating detectable signal and detectable signal being sent to signal processing apparatus；
Signal processing apparatus：It is arranged on platform, the detectable signal for receiving detection light curtain transmission simultaneously generates judgement knot
Fruit, for will determine that result and operation note are sent to storage display device, the location information for light curtain will to be detected and judgement
As a result it is sent to control device；
Control device：Setting is on platform and/or in platform control room, the judgement for receiving signal processing apparatus transmission
As a result and location information, for generating alarm signal according to judging result and location information, for alarm signal to be sent to report
Alarm device, for alarm signal to be sent to rail traffic control system；
Store display device：Setting is on platform and/or in platform control room, for storing operation note and judging to tie
Fruit, the judging result for receiving signal processing apparatus transmission；
Warning device：Setting is on platform and/or in platform control room, the alarm signal for receiving control device transmission
Number, and alarm signal is fed back into platform masters or passenger.
After passenger getting on/off, detection light curtain is opened after shield door is closed, and train and screen are detected by detectable signal
It covers and whether there is foreign matter between door, alarm if being generated according to the judging result that signal processing apparatus transmit there are foreign matter control device
Signal is simultaneously sent to rail traffic control system, controls shield door phase down and train stopping is driven out to platform, pass through simultaneously
Warning device feeds back to platform masters and passenger, can learn that foreign matter has and occur abnormal position at the first time
It sets, the normal operation of Rail Transit System can be restored after foreign matter excludes.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
Formula, detection light curtain include being arranged to be used to send the transmitter of detectable signal in platform one end and be arranged in the platform other end for connecing
Receive the receiver of detectable signal.It detects after light curtain opens, transmitter is to the gap emission detection signal between train and shield door
And received by receiver, if receiver can not receive detectable signal, judge that there are foreign matters between train and shield door.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
Formula, detection light curtain include the transmitter being arranged in the middle part of platform for sending detectable signal and are arranged at platform both ends for receiving
The receiver of detectable signal.Transmitter is arranged can shorten the distance of detectable signal transmission at the middle part of platform, improve detection
Precision, while also can be suitable for apart from longer platform.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
Formula, detection light curtain include that several groups are spaced for sending the transmitter of detectable signal and for receiving connecing for detectable signal
Receive device.Platform is divided into multiple detection intervals by every group of transmitter and receiver, can be applied not only to apart from longer platform,
Curve platform can be also suitable for simultaneously, improve the applicability of foreign matter detection system.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
Formula, detectable signal are laser signal or infrared signal.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
The optical source wavelength of formula, laser signal is 808nm or 980nm, the angle of divergence≤0.05 °.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
The optical source wavelength of formula, infrared signal is 808nm or 980nm, the angle of divergence≤0.05 °.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
Formula, warning device are a kind of following device or combination：Display, indicator light, buzzer.
A kind of detection device for foreign matter scanned based on laser or infrared acquisition described in the utility model, as preferred side
Formula, foreign matter detection system further include：
Defence area processor：It is arranged in the box of sliding door side, for entire platform to be divided into several defence areas, each defence area packet
2~3 receivers are included, for the isolated instructions of receiving control device transmission, are for being controlled to shield door according to isolated instructions
System sends isolation signals.The setting in defence area can make to realize independently, when one of defence area is broken down between different defence areas
The normal work in other defence areas is not influenced.
In use, when Train door is opened, foreign matter detection system is in prepattern to the utility model, when multiplying
Visitor, which gets on or off the bus, to be finished and after the completion of shield door closes, foreign matter detection system be in detection mode, detection light curtain unlatching, transmitter to
Receiver sends laser signal or infrared signal, if there are foreign matters between train and platform screen door, control device is according to signal
The judging result and location information of processing unit transmission generate alarm signal, and alarm signal is sent to control device, simultaneously
Alarm signal is fed back into rail traffic while alarm signal is fed back to Train Management personnel or passenger by display device
Failure monitoring and intelligent early-warning system control suspension of service, Rail Transit System normal operation after debugging；Work as train
It is driven out to after platform until next train drives into platform, foreign matter detection system is in standby mode.
The utility model between train and shield door due to being equipped with for acquiring gap between train and shield door in real time
Detection light curtain, can find in time foreign matter exist, by control device generate alarm signal feed back to rail traffic failure prison
Control and intelligent early-warning system, control suspension of service, train door phase down, and timely feedbacked to platform by display system
Administrative staff and passenger can eliminate safe hidden trouble in time.
The utility model is further set in the region of corresponding each dodge gate opening and closing there are one light curtain is detected, and can be applicable in
In different platform shapes, the applicability of detecting system is improved.
Platform is further divided into several defence areas by the utility model, when a defence area when something goes wrong, do not influence other anti-
The normal work in area.
Description of the drawings
Fig. 1 is a kind of detection device for foreign matter composition figure scanned based on laser or infrared acquisition；
Fig. 2 is 1 detection device for foreign matter schematic diagram of embodiment；
Fig. 3 is 1 flow chart of embodiment；
Fig. 4 is 2 detection device for foreign matter schematic diagram of embodiment；
Fig. 5 is 3 detection device for foreign matter schematic diagram of embodiment；
Fig. 6 is defence area schematic diagram in embodiment 4.
Reference numeral：
1, light curtain is detected；11, transmitter；12, receiver；130, signal conversion unit；2, signal processing apparatus；3, it controls
Device；4, display device is stored；5, warning device；6, defence area processor；61, defence area.
Specific implementation mode
Embodiment 1
As shown in Fig. 1~2, the utility model provides a kind of foreign matter detection system based on laser or infrared acquisition, including：
Detect light curtain 1：It is arranged on platform, between train and platform screen door, for train and platform screen
Gap between door is detected, for generating detectable signal and detectable signal being sent to signal processing apparatus 2；Detect light curtain
1 includes being arranged to be used to send the transmitter 11 of detectable signal in platform one end and be arranged in the platform other end for receiving detection letter
Number receiver 12；Detectable signal is optical source wavelength 980nm, the infrared signal of the angle of divergence≤0.05 °；
Signal processing apparatus 2：It is arranged on platform, the detectable signal for receiving the detection transmission of light curtain 1 simultaneously generates judgement
As a result, for detectable signal and judging result to be sent to storage display device 4, for will detect the location information of light curtain 1 with
Judging result is sent to control device 3；
Control device 3：The judgement for being arranged on platform and in platform control room, being transmitted for receiving signal processing apparatus 2
As a result and location information, for generating alarm signal according to judging result and location information, for alarm signal to be sent to report
Alarm device, for alarm signal to be sent to rail traffic control system；
Store display device 4：Setting is on platform and in platform control room, for storing operation note and judging result,
Operation note for receiving the transmission of signal processing apparatus 2 and judging result；
Warning device 5：Buzzer, indicator light and platform including being arranged on platform control indoor display, instruction
Alarm signal for the alarm signal that receiving control device 3 transmits, and is fed back to platform masters or passenger by lamp.
It being set on platform there are one alarm host machine, signal processing apparatus 2 and control device 3 are arranged inside alarm host machine,
Buzzer and indicator light are arranged on the display panel of alarm host machine.
Interlocking main machine identical with alarm host machine there are one being set in platform control room, can be in platform control room to different
Quality testing examining system is controlled.
The present embodiment in use, when between train and platform screen door there are when foreign matter, as shown in figure 3, including
Following steps：
S1, train drive into platform, and foreign matter detection system enters prepattern；
After S2, passenger getting on/off, train door is closed, and foreign matter detection system enters detection mode, and detection light curtain 1 is opened
It opens, transmitter 11 emits infrared signal and received by receiver 12 behind the gap between train and platform screen door, and generates
Detectable signal is sent to signal processing apparatus 2；
S3, signal processing apparatus 2 receive, handle detectable signal and generate judging result and be sent to control device 3, simultaneously will
Operation note and judging result are sent to storage display device 4；
S4, control device 3 are handled according to judging result, when obstacle is not detected, are entered step S8, are worked as detection
When to obstacle, judge that there are foreign matters in gap between train 1 and platform screen door 2, enter step S5；
S5, control device 3 generate alarm signal and are sent to display device 5 and rail traffic control system；
Alarm signal is fed back to platform masters or passenger by S6, warning device 5；
S7, rail traffic control system control train 1 are out of service, until entering step S8 after troubleshooting；
S8, Rail Transit System normal operation, foreign matter detection system enters standby mode when train is driven out to platform.
Embodiment 2
Compared with Example 1, the present embodiment has different 1 structures of detection light curtain, as shown in figure 4, being set in the middle part of platform
There are one transmitters 11, are respectively equipped with a receiver 12 at platform both ends, the detectable signal that transmitter 11 is sent out is light source wave
Long 808nm, the laser signal of the angle of divergence≤0.05 °.
Detection interval is divided into two parts by the present embodiment, can be suitable for long platform, while can improve foreign bodies detection
The accuracy of system.
Embodiment 3
Compared with Example 1, the present embodiment has different 1 structures of detection light curtain, as shown in figure 5, being equipped on platform
Spaced 3 receivers 12 and 2 transmitters 11, two of which receiver 12 are separately positioned on the both ends of platform successively,
The distance between receiver 12 and transmitter 11 may be the same or different.
Detection interval is divided into 4 parts by the present embodiment, be can be applied not only to long platform, is also applied for curve platform,
The accuracy of foreign matter detection system can be improved simultaneously.
Embodiment 4
The present embodiment is divided into several defence areas 61 compared with Example 1, by entire platform, as shown in fig. 6, being filled in foreign bodies detection
It sets and increases following device：
Defence area processor 6：It is arranged in the box of sliding door side, includes 2~3 receivers 12 in coverage area, for connecing
The isolated instructions that control device 2 transmits are received, for sending isolation signals to screen door control system according to isolated instructions.
When failure needs repairing in place defence area 61, control device 2 is sent to corresponding defence area processor 6 is isolated
Signal detects the operation of light curtain 1 in defence area 61 where stopping, the detection light curtain 1 in other defence areas 61 continues to monitor at this time, not shadow
The normal operation for ringing 61 offside train of failure defence area cancels isolation after troubleshooting, and the detection light curtain 1 in defence area 61 is normally transported
Row.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, in the case where not departing from spirit and scope defined by claim, any modification, the variation or equivalent that can be made,
It falls within the scope of protection of the utility model.
Claims (9)
1. a kind of foreign matter detection system based on laser or infrared acquisition, it is characterised in that：Including：
Detect light curtain（1）：It is arranged on platform, between train and platform screen door, for the train and the station
Gap between platform shield door is detected, for generating detectable signal and the detectable signal being sent to signal processing apparatus
（2）；
Signal processing apparatus（2）：It is arranged on the platform, for receiving the detection light curtain（1）The detection letter of transmission
Number and generate judging result, for the judging result and operation note to be sent to storage display device（4）, being used for will be described
Detect light curtain（1）Location information and the judging result be sent to control device（3）；
Control device（3）：Setting is on the platform and/or in platform control room, for receiving the signal processing apparatus（2）
The judging result of transmission and the location information, for generating alarm signal according to the judging result and the location information
Number, for the alarm signal to be sent to warning device（5）, for the alarm signal to be sent to rail traffic control system
System；
Store display device（4）：Setting is on the platform and/or in the platform control room, for storing the operation note
Record and the judging result, for receiving the signal processing apparatus（2）The operation note of transmission and the judging result；
Warning device（5）：Setting is on the platform and/or in the platform control room, for receiving the control device（3）
The alarm signal of transmission, and the alarm signal is fed back into platform masters or passenger.
2. a kind of foreign matter detection system based on laser or infrared acquisition according to claim 1, it is characterised in that：It is described
Detect light curtain（1）It is used to send the transmitter of detectable signal in described platform one end including being arranged（11）With setting in the platform
The other end is used to receive the receiver of the detectable signal（12）.
3. a kind of foreign matter detection system based on laser or infrared acquisition according to claim 2, it is characterised in that：It is described
Detect light curtain（1）Including the transmitter for being used for sending detectable signal is arranged in the middle part of the platform（11）With setting in the platform
Both ends are used to receive the receiver of the detectable signal（12）.
4. a kind of foreign matter detection system based on laser or infrared acquisition according to claim 2, it is characterised in that：It is described
Detect light curtain（1）Including several spaced transmitters for sending detectable signal（11）With for receiving the detection
The receiver of signal（12）.
5. according to claim 1-4 its any one of described in a kind of foreign matter detection system based on laser or infrared acquisition,
It is characterized in that：The detectable signal is laser signal or infrared signal.
6. a kind of foreign matter detection system based on laser or infrared acquisition according to claim 5, it is characterised in that：It is described
The optical source wavelength of laser signal is 808nm or 980nm, the angle of divergence≤0.05 °.
7. a kind of foreign matter detection system based on laser or infrared acquisition according to claim 5, it is characterised in that：It is described
The optical source wavelength of infrared signal is 808nm or 980nm, the angle of divergence≤0.05 °.
8. a kind of foreign matter detection system based on laser or infrared acquisition according to claim 1, it is characterised in that：It is described
Warning device（5）For a kind of following device or combination
Display, indicator light, buzzer.
9. according to claim 2-4 its any one of described in a kind of foreign matter detection system based on laser or infrared acquisition,
It is characterized in that：The foreign matter detection system further includes：
Defence area processor（6）：It is arranged in the box of sliding door side, for entire platform to be divided into several defence areas（61）, each institute
State defence area（61）Including the 2-3 receivers（12）, for receiving the control device（3）The isolated instructions of transmission, are used for
According to the isolated instructions isolation signals are sent to screen door control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820533911.4U CN208069651U (en) | 2018-04-16 | 2018-04-16 | A kind of detection device for foreign matter scanned based on laser or infrared acquisition |
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| CN201820533911.4U CN208069651U (en) | 2018-04-16 | 2018-04-16 | A kind of detection device for foreign matter scanned based on laser or infrared acquisition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372861A (en) * | 2018-04-16 | 2018-08-07 | 北京瑞途科技有限公司 | A kind of detection device for foreign matter scanned based on laser or infrared acquisition |
| CN111038551A (en) * | 2019-12-04 | 2020-04-21 | 南京信息职业技术学院 | Reminding device for starting emergency brake button of high-speed rail |
| CN117382705A (en) * | 2023-12-07 | 2024-01-12 | 成都交控轨道科技有限公司 | Gap detection control method, equipment and medium for non-FAO operation grade train |
-
2018
- 2018-04-16 CN CN201820533911.4U patent/CN208069651U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372861A (en) * | 2018-04-16 | 2018-08-07 | 北京瑞途科技有限公司 | A kind of detection device for foreign matter scanned based on laser or infrared acquisition |
| CN108372861B (en) * | 2018-04-16 | 2024-03-22 | 北京瑞途科技有限公司 | Foreign matter detection device based on laser or infrared detection scanning |
| CN111038551A (en) * | 2019-12-04 | 2020-04-21 | 南京信息职业技术学院 | Reminding device for starting emergency brake button of high-speed rail |
| CN117382705A (en) * | 2023-12-07 | 2024-01-12 | 成都交控轨道科技有限公司 | Gap detection control method, equipment and medium for non-FAO operation grade train |
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