CN110103991A - Laser scanning anti-clipping system and its control method suitable for rail traffic platform door - Google Patents
Laser scanning anti-clipping system and its control method suitable for rail traffic platform door Download PDFInfo
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- CN110103991A CN110103991A CN201910390006.7A CN201910390006A CN110103991A CN 110103991 A CN110103991 A CN 110103991A CN 201910390006 A CN201910390006 A CN 201910390006A CN 110103991 A CN110103991 A CN 110103991A
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- laser
- scanning
- train
- inductor
- clipping system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
- G01V8/18—Detecting, e.g. by using light barriers using one transmitter and one receiver using mechanical scanning systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
- G01V8/26—Detecting, e.g. by using light barriers using multiple transmitters or receivers using mechanical scanning systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses the laser scanning anti-clipping systems and its control method that are suitable for rail traffic platform door, belong to gate safety detection technology field, it is by being correspondingly arranged laser scan unit and laser pick-off unit in the end door at platform both ends, and it is correspondingly arranged scanning steering engine, rotating electric machine and rotary shaft, control realization anti-clipping system by corresponding to rotating electric machine protrudes into or far from train limit, and controls the Surface scan detection for realizing laser by corresponding to for scanning steering engine.Laser scanning anti-clipping system of the invention, its structure is simple, and setting is easy, can effectively realize that the Surface scan of people or object detects between platform door component and train body, ensure the safety of station operation, the accuracy of detection is high, and error is small, and anti-clipping system does not invade train limit in train operation, it can substantially ensure the stability of train operation, damage of the anti-clipping system to train body is reduced, the service life of anti-clipping system is also longer, with good application prospect and promotional value.
Description
Technical field
The invention belongs to gate safety detection technology fields, and in particular to the laser suitable for rail traffic platform door is swept
Retouch anti-clipping system and its control method.
Background technique
With the continuous quickening of urbanization process, the application of rail traffic is also more and more common.It is handed over compared to other cities
For way system, the freight volume of rail traffic is big, punctuality rate is high, can greatly facilitate the trip of people, and rail traffic is often not
There is very obvious action in the road surface running vehicle space for occupying automobile, public transport for improving urban congestion problem.
During the operation of rail traffic, generally platform door system can be set on its platform, be used for platform and rail
Row distinguishes, and realizes getting on or off the bus for passenger.Due to consideration that the train limit in train travelling process, platform door system are set
It sets to generally require to meet and has certain spacing between the train that stops, so that there are one between platform door system and the train that stops
The gap of fixed width degree, causes platform door system to there is some potential safety problems in the process of running.In recent years, rail traffic passenger
The accident being sandwiched between the gate of closing and train door is commonplace, and this accident is particularly susceptible generation in gate and column
Passenger still wants to situation crowded when the situation for squeezing into vehicle by force or upper Train when car door will close.
Obviously, the safety to promote rail transportation operation, it is necessary first to which passenger improves awareness of safety, rides safely；Its
It is secondary, it is also desirable to relevant improvement to be carried out to existing rail traffic station, to promote the safety of station operation.Therefore, Bu Shaoyun
Battalion headquarter's door is additionally arranged anti-pinch safety measure on rail traffic platform, existing anti-pinch safety measure generally there are several types of: 1,
Safety screen is installed additional at the sliding door edge of gate, gap between train door and gate is reduced with it, is reduced passenger and is entered
A possibility that gap.This method often can only prevent passenger from actively entering interstitial area, cannot but prevent passenger from passively being squeezed by car
Enter the gap, then risk is bigger for launch train at this time；2, correlation active infrared line detection system is set AT STATION, usually
Infrared transmitting tube and infrared electro reception pipe including being divided into platform two sides, from infrared transmitting tube between gate and train
Space in emit infrared signal, and it is received by infrared electro reception pipe.When there is barrier between gate and train
When hindering object, infrared receiving tube cannot receive the infrared signal of opposite sending and issue alarm.Although the above method can be certain
The safety of lift station door system in degree, but due to infrared transmitting tube issue light beam the angle of divergence and hot spot often compared with
Greatly, power density decaying is big when transmission, is easy to appear irregular reference phenomenon in narrow gap transmission and fails to report alert or random report
It is alert, cause accuracy poor, has some limitations；3, correlation laser detection system is set AT STATION, by AT STATION
Laser transmitter and terminal receiver is respectively set in both ends, from laser transmitter to terminal receiver transmitting laser signal, then by
The modulated optical signal received is converted into corresponding electric signal by receiver, when light beam is interdicted, is then issued to control host
Alarm signal, to ensure the safety of platform door system operation.Above system can lift station operation to a certain extent safety
Property, reduce the case where passenger is sandwiched in front of gate and car body generation.But due to the rectilinear propagation of laser transfer, cause to swash
In parallel to penetrating there are certain check frequency, the accuracy of detection is unable to get to be fully ensured that light, along with existing laser is examined
Examining system generally requires fouling of clearance gauge, and there are certain shadows for the safety in operation of setting stability and train to detection system
It rings；Meanwhile existing laser detection system is in the long-term use, it will usually because the vibration of environment generates displacement, cause
It reports an error to existing deviation is projected, needs often artificially to be overhauled and safeguarded, increase the operation cost at station, cause greatly not
Just.
Summary of the invention
One or more of aiming at the above defects or improvement requirements of the prior art, the present invention provides be suitable for rail
The laser scanning anti-clipping system and its control method of road traffic platform door, wherein by respectively corresponding setting laser at platform both ends
Transmitter and laser inductor, and it is correspondingly arranged rotating electric machine and scanning steering engine, laser emitter and laser induced is controlled with it
The corresponding deflection of device expands the covering surface of detection, subtracts so as to effectively realize that the Surface scan between gate and train body detects
Intrusion of the anti-clipping system to train limit is reduced in the blind area detected less, guarantees the safety during platform operation.
To achieve the above object, one aspect of the present invention provides a kind of laser suitable for rail traffic platform door and sweeps
Retouch anti-clipping system, which is characterized in that at least one laser scan unit and laser pick-off including being divided into straight line platform both ends
Unit；
At least one corresponding described laser scan unit and the laser pick-off unit are respectively arranged with rotating electric machine, i.e., and the
One motor and the second motor, two rotating electric machines are separately fixed at platform along longitudinal direction in the end door at both ends, and two rotations
The output shaft of motor is vertically arranged respectively, and corresponding two rotating electric machines are respectively arranged with rotary shaft, i.e. the first rotary shaft
With the second rotary shaft, two rotary shafts are fixedly and coaxially connected with the output shaft of corresponding rotating electric machine respectively, so that described in two
Rotary shaft can carry out pivoting under corresponding rotating electric machine control；
The laser scan unit includes that can emit the laser emitter of laser and be fixedly connected on first rotary shaft
The scanning output shaft of the scanning steering engine of periphery, the scanning steering engine is horizontally disposed, and the corresponding scanning output shaft is coaxially arranged with
Swing arm is scanned, one end of the scanning swing arm is fixedly connected with the scanning output shaft, and the other end is fixedly connected with the laser hair
Emitter, so that the laser emitter can back and forth deflect one around the axis for scanning swing arm under the scanning steering engine control
Determine angle；
The laser pick-off unit include vertically setting and laser inductor in long strip, the laser inductor can
The laser that the laser emitter issues is received, the periphery of second rotary shaft is fixedly connected on several inductor swing arms
On；Then the laser scan unit can be driven by first rotary shaft under first motor control and certain angle occurs
The deflection of degree, and realize and correspond to adjustment far from the train limit when protruding into train limit when work and not working, and is described
Laser scan unit can drive and occur the deflection of certain angle by second rotary shaft under second motor control, and
Realize that longitudinally aligned with the laser scan unit when work and corresponding far from the train limit adjusts when not working.
As a further improvement of the present invention, the laser scan unit is vertically spaced two, described in two
Laser scan unit is vertically to just.
As a further improvement of the present invention, needed for the laser scan unit is in working condition by the conversion of non-working condition
The angle of rotation is equal to the angle rotated needed for the laser pick-off unit is in working condition by the conversion of non-working condition.
As a further improvement of the present invention, the laser scan unit and the laser pick-off unit are by non-working condition
The angle that conversion rotates needed for being in working condition is 90 °, and the laser scan unit is on the concordant platform of non-working condition
Gate and the laser pick-off unit in the concordant gate of non-working condition.
As a further improvement of the present invention, the deflectable angle of the output shaft of the scanning steering engine is 3 °~8 °, into one
Preferably 5 ° of step.
As a further improvement of the present invention, the laser scan unit and/or the laser pick-off unit are arranged in institute
State the connection intersection of end door and gate.
As a further improvement of the present invention, the setting length of the laser inductor is 1.0~1.5m, further preferably
For 1.2m.
As a further improvement of the present invention, 0.1~0.3m of top surface of the distance from bottom platform slab of the laser inductor.
Another aspect of the present invention provides the laser scanning anti-clipping system for being suitable for rail traffic platform door described in one kind
Control method, rate-determining steps are as follows:
S1: after train enters the station and comes to a complete stop, the laser scan unit and the laser pick-off unit receive control letter respectively
Number, and controlled from corresponding rotating electric machine to the rail row region of platform and deflected；
S2: the laser emitter and the laser inductor protrude into the train limit after deflecting certain angle respectively,
And the laser emitter and the laser inductor are along longitudinal direction to just；
S3: the laser emitter is started to work, and is generated laser and is emitted on the laser inductor；Meanwhile it is described
It scans steering engine to start to work, carries out the past after-combustion axis deflection of certain angle；
S4: before train i.e. will be outbound, by laser inductor detection and feedback signal, if the display of signal feedback is just
Often, then gate is closed, and train prepares outbound；If signal feedback display is abnormal, gate is postponed closing, and train is postponed
It stands, until signal is shown normally；
S5: the signal of the laser inductor is shown as normally, and gate is closed, launch train；Meanwhile the laser hair
Emitter and the laser inductor are controlled from corresponding rotating electric machine to the direction away from rail row region respectively to be deflected, far from institute
State train limit；
S6: the laser scan unit and the laser pick-off unit deflect back to initial position, and two rotating electric machines stop
It only works, train next time is waited to enter the station.
As a further improvement of the present invention, in step s 4, if signal detection be it is abnormal, feeding back abnormal signal
Before, first carry out the trim process of the laser emitter and/or the laser inductor, with this judge abnormal signal whether by
Not to just causing, trim process is as follows for the laser emitter and the laser inductor:
The first motor and/or second motor deflection certain angle are controlled, if the laser inductor after deflection
Continuous continual scanning ray can be received, then the laser inductor feeds back normal signal, if the laser sense after deflection
Continuous continual scanning ray cannot be received by answering device still, then the laser inductor feeds back abnormal signal.
Above-mentioned improved technology feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
(1) the laser scanning anti-clipping system suitable for rail traffic platform door of the invention, by rail traffic station
It is correspondingly arranged laser scan unit and laser pick-off unit in the end door at platform both ends, and is correspondingly arranged rotating electric machine and rotary shaft,
By the corresponding control laser scan unit of rotating electric machine and laser pick-off unit in transverse plane intrinsic deflection certain angle, swashed with realizing
Optical scanning anti-clipping system, far from train limit, and protrudes into train limit when detecting in train operation, thus anti-reducing
The accuracy that scratch while promotes Scanning Detction of the clipping system to train, it is ensured that the safe operation of train promotes anti-clipping system
Setting stability, extend the service life of anti-clipping system；
(2) the laser scanning anti-clipping system suitable for rail traffic platform door of the invention passes through corresponding Laser emission
Device setting scanning swing arm and scanning steering engine drive laser emitter at the certain angle of vertical plane intrinsic deflection by scanning steering engine is corresponding
Degree realizes that the laser scanning inspection in vertical plane greatly improves the covering of detection compared to point-to-point for penetrating detection
Face reduces the generation of check frequency, improves the accuracy of detection, further improves the safety in operation of platform；
(3) the laser scanning anti-clipping system suitable for rail traffic platform door of the invention, by laser pick-off list
Member receives interruption scanning ray or feeds back abnormal signal when not receiving scanning ray, station when ensuring that gate is closed
People or object are not present between platform door and train, and by the corresponding fine tuning of rotating electric machine, effectively prevent because laser emitter with
Laser inductor is not to just caused detection error, it is ensured that the accuracy of anti-clipping system feedback result simplifies laser and sweeps
Retouch anti-clipping system calibration procedure；
(4) control method of the laser scanning anti-clipping system suitable for rail traffic platform door of the invention, step letter
Single, control is easy, intrusion of the laser anti-clipping system to train limit when can effectively avoid train operation, it is ensured that the outbound front truck of train
Nobody or object exist between body and gate, fully ensure that the safety of platform operation；
(5) the laser scanning anti-clipping system suitable for rail traffic platform door of the invention, structure is simple, setting letter
Just, the Scanning Detction of people or object between platform door component and train body can be effectively realized, it is ensured that the safety of station operation, inspection
The accuracy of survey is high, and error is small, and anti-clipping system does not invade train limit in train operation, can substantially ensure train operation
Stability reduces damage of the anti-clipping system to train body, and the service life of anti-clipping system is also longer, before having preferable application
Scape and promotional value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of laser scanning anti-clipping system at work in the embodiment of the present invention；
Fig. 2 is structural schematic diagram of the laser scanning anti-clipping system when not working in the embodiment of the present invention；
Fig. 3 is the structural representation when laser scan unit of laser scanning anti-clipping system in the embodiment of the present invention does not work
Figure；
Fig. 4 is the structural representation when laser pick-off unit of laser scanning anti-clipping system in the embodiment of the present invention does not work
Figure；
Structural schematic diagram when Fig. 5 is the laser scan unit work of laser scanning anti-clipping system in the embodiment of the present invention；
Structural schematic diagram when Fig. 6 is the laser pick-off unit work of laser scanning anti-clipping system in the embodiment of the present invention；
Fig. 7 is the structural representation of the laser scan unit of laser scanning anti-clipping system in the embodiment of the present invention before scanning
Figure；
Fig. 8 is the structural representation of the laser scan unit of laser scanning anti-clipping system in the embodiment of the present invention in a scan
Figure；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. laser scan units,
101. laser emitter, 102. scanning steering engines, 103. first motors, 104. scanning swing arms, 105. first rotary shafts；2. laser connects
Receive unit, 201. laser inductors, 202. second motors, 203. second rotary shafts, 204. inductor swing arms；3. platform slab, 4.
Platform door component, 401. end doors, 402. gates；5. scanning ray.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not
Constituting conflict can be combined with each other.
Laser scanning anti-clipping system in the preferred embodiment of the present invention is as shown in figs. 1 and 2, wherein Fig. 1 is laser scanning
Status diagram when anti-clipping system works, Fig. 2 are status diagram when laser scanning anti-clipping system does not work.By illustrating not
It is difficult to see, laser scanning anti-clipping system is arranged on the straight line platform of rail traffic, specifically, the straight line platform of rail traffic
Platform slab 3 including the setting of respective column track row region, is correspondingly arranged on platform door component 4 in platform slab 3, it is clear that
Ground, the parking area setting of the corresponding train of platform door component 4 comprising be divided into the end door 401 at both ends and be set to along straight line
Gate 402 between two end doors 401, the gate 402 in preferred embodiment include the safety door of corresponding train body setting
With the sliding door of corresponding Train door setting；It further, is longitudinal direction with train rail line direction, then gate 402 is set along longitudinal direction
It sets, and end door 401 is preferably transversely arranged, and the both ends of gate 402 are correspondingly connected with end door 401 close to the one of rail row region
Side.
Further, end door 401 is arranged in close to the side in rail row region in laser scanning anti-clipping system, is preferably provided at end
The junction of door 401 and gate 402, and laser scanning anti-clipping system includes the laser scanning list being divided into two end doors 401
Member 1 and laser pick-off unit 2.Wherein, the laser scan unit 1 that corresponding laser pick-off unit 2 is arranged is at least one, preferably in fact
Applying is vertically spaced two in example, as shown in Figures 1 and 2.It should be evident that laser scan unit can be set
It is one, may be set to be multiple, this can be carried out preferably according to actual needs.
Further, it is preferable to which the laser scan unit 1 in embodiment includes laser emitter 101, scanning 102 and of steering engine
First motor 103, first motor 103 are correspondingly arranged at the end of end door 401, are further preferably arranged in end door 401 and platform
402 junctions of door, output shaft are vertically arranged, and its corresponding output shaft is coaxially arranged with the first rotary shaft 105, first rotation
One end of shaft 105 and the output shaft of first motor 103 are coaxially connected, and the other end is then passed through by revolute Corresponding matching
The corresponding of first motor 103 controls the pivoting, it can be achieved that the first rotary shaft 105；Further, in the first rotary shaft 105
On be correspondingly arranged at least one scanning steering engine 102, scan steering engine 102 setting quantity and laser scan unit 1 setting number
Amount is consistent, so that the rotation control of all laser scan units 1 can be achieved in the rotation of the first rotary shaft 105.
It is defeated further and specifically, it is preferable to be fixedly installed on the scanning steering engine 102 in the first rotary shaft 105 in embodiment
Shaft edge is horizontally disposed, and the output shaft of corresponding scanning steering engine 102 is coaxially arranged with scanning swing arm 104, one end and scanning rudder
The output shaft of machine 102 is fixedly connected, and laser emitter 101 is correspondingly arranged on the other end, then passes through the correspondence of scanning steering engine 102
Control is, it can be achieved that scanning swing arm 104 is pivoted, to drive axis pendulum of the laser emitter 101 around scanning swing arm 104
It is dynamic, realize that laser emitter 101 is scanned in the vertical plane of one fixed width；Further, it is preferable in embodiment two swash
The deflection angle of optical transmitting set 101 is 3 °~8 °, is further particularly preferred as 5 °, and the precision of deflection angle can reach 0.05 °,
This can realize by being correspondingly arranged the working condition of scanning steering engine 102, when laser emitter 101 does not start scanning, such as
Shown in Fig. 7, and when laser emitter 101 starts scanning, as shown in Figure 8.
Further, it is preferable to which the laser emitter 101 in embodiment can be controlled by first motor 103 and be deflected when not working
To the position far from rail row region, such as in a preferred embodiment, the concordant gate 402 when not working of laser scan unit 1, such as
Shown in Fig. 3, the axis for scanning swing arm 104 at this time is longitudinally disposed；Certainly, laser emitter 101 can also be in first motor 103
Control under go to the position of the inside of gate 402 or slightly deflect away from the position in 402 outside of gate, as long as not invading train
Train limit；To promote the accuracy controlled, 103 single of first motor in preferred embodiment is rotated by 90 °, and scanning is put
The axis of arm 104 by rotating to transversely along longitudinal direction.Due to the setting of laser scanning anti-clipping system be intended to detect whether someone or
Object clips between platform door component 4 and train, and whether someone or object exist especially in the limit space of train, it is therefore preferable that
The setting length that swing arm 104 is scanned in embodiment protrude into laser emitter 101 can at work in train limit, and ensure
Laser emitter 101 and the car body of train are spaced apart.
Further, it is preferable to which the corresponding laser scan unit 1 of laser pick-off unit 2 in embodiment is arranged comprising along perpendicular
To setting and laser inductor 201 in long strip, corresponding laser inductor 201 are provided with the second motor 202, the second rotary shaft
203 and inductor swing arm 204；Wherein, the end door 401 that the second motor 202 is correspondingly arranged at away from 1 side of laser scan unit is leaned on
The end in nearly rail row region, output shaft are vertically arranged, and one end of the second rotary shaft 203 is fixedly and coaxially connected the second motor
202 output shaft, and several inductor swing arms 204 are correspondingly arranged in the second rotary shaft 203, the axis of each inductor swing arm 204
Line is horizontally disposed, and one end is fixedly connected with the second rotary shaft 203, and the other end is fixedly connected with laser inductor 201, then by the
Laser inductor 201 can be rotated to the position of concordant gate 402 by the corresponding control of two motors 202, the second rotary shaft 203,
Or laser inductor 201 is rotated to and is protruded into train limit, and in the longitudinal direction with each laser scan unit 1 for being rotated in place
It gets in the sensitive surface of laser inductor 201 to just, the scanning ray 5 then issued on laser emitter 101 can correspond to, such as schemes
Shown in 1, thus to detect between more than 101 laser inductor 201 of laser emitter, whether someone or object exist.
Further, it is preferable to which the vertical extension of laser inductor 201 corresponds to the deflection angle of laser emitter 101 in embodiment
Setting, when so that each laser emitter 101 deflecting into two extreme positions respectively, the scanning ray 5 of the sending of laser emitter 101
It can be received by laser inductor 201, in a preferred embodiment, the vertical extension of laser inductor 201 is 1m~1.5m, and
Further it is particularly preferred as 1.2m.Certainly, the top surface that the bottom of laser inductor 201 is higher than platform slab 3 is arranged, and preferably higher than should
Platform 10~30cm of plate top surface, to ensure the structures such as baffle that corresponding gate 402 is arranged not to laser scanning anti-clipping system
Work generates interference.It is further preferred that laser scanning anti-clipping system can commence work without delay after train comes to a complete stop, can also stand
Platform door prepares to start to work in certain time before closing, meanwhile, laser scanning anti-clipping system is deflected into after train limit, laser hair
Emitter 101 can immediately begin to deflection scanning, can also start deflection scanning when gate prepares and closes.In short, laser scanning is anti-
The working time section of clipping system can be adjusted according to actual needs, and adjustment space is big, and flexibility ratio is high.
In addition, the positive relationship after prolonged reciprocally swinging, between laser scan unit 1 and laser pick-off unit 2
A little offset may occur, it is therefore desirable to the positive relationship of laser scan unit 1 and laser pick-off unit 2 is calibrated,
After ensuring that two components are rotated in place, the scanning ray 5 of laser scan unit 1 can accurately be got in the case where no barrier separates
In the middle part of the sensitive surface of laser inductor 201, and the position correction between laser scan unit 1 and laser pick-off unit 2 can be in vehicle
It is completed in empty window time for standing, by first motor 103 and/or the angle adjustment of the second motor 202, achievable calibration process,
After the completion of calibration, sets identical for the angle that first motor 103 and 202 single of the second motor rotate, can be effectively ensured sharp
Optical transmitting set 101 and the accurate withdrawal of laser inductor 201 and proper alignment.
Further, the control method of laser scanning anti-clipping system preferably includes to walk as follows in the preferred embodiment of the present invention
It is rapid:
S1: before train enters the station, laser scan unit 1 and laser pick-off unit 2 are in non-working condition, and the two does not invade
The limit of train, and setting preferably concordant with gate 402, scan the axis of swing arm 104 and inductor swing arm 204 along vertical at this time
To setting；
S2: after train enters the station and comes to a complete stop, the gate of corresponding Train door is started to work, and passenger starts upper Train；Together
When, laser scan unit 1 and laser pick-off unit 2 receive signal and start to work, respectively by first motor 103 and the second motor
202 drive and rotate by a certain angle to the side close to rail row region, are 90 ° in preferred embodiment, and then laser scan unit 1
It deflects and protrudes into train limit and along longitudinal direction to just respectively with laser pick-off unit 2, at this point, scanning swing arm 104 and inductor pendulum
Arm 204 is transversely arranged perpendicular to train rail line direction, the i.e. axis of two swing arms；
S3: laser scan unit 1 and laser pick-off unit 2 are started to work, and laser emitter 101 generates scanning ray 5 and sends out
It is mapped on laser inductor 201, and scans steering engine 102 and start to work, laser emitter 101 is driven to carry out around scanning swing arm 104
The reciprocally swinging of axis realizes flat scanning of the scanning ray 5 between laser scan unit 1 and laser pick-off unit 2；
S4: before train i.e. will be outbound, the gate at station starts slowly closing, at this point, being corresponded to by laser pick-off unit 2
Feedback signal is to train and/or station control room, and then the signal fed back according to laser pick-off unit 2, whether judges gate
It needs emergent stopping to close, and judges whether train can be outputed from station；
Specifically, showing gate group when laser pick-off unit 2 can receive continuous continual scanning ray 5
People or object are not accompanied between part and train body, feeds back " normal " signal at this time, and gate can correspond to closing, and train can stand
Platform door is outbound after closing.
When laser pick-off unit 2 cannot receive continuous scanning ray 5, show platform door component and train body it
Between accompany people or object, at this time feed back " improper " signal, gate postpone close, train pause it is outbound.
Before feedback " improper " signal, the inflection point of laser emitter 101 and/or laser inductor 201 can be
It is finely adjusted under the driving of first motor 103 and/or the second motor 202, if laser inductor 201 can receive continuously after fine tuning
Continual scanning ray 5 then feeds back " normal " signal；If after fine tuning laser inductor 201 can not still detect it is continuous not between
Disconnected scanning ray 5 then feeds back " improper " signal, and gate is postponed closing, and train pause is outbound.
S5: it (has ensured that when train prepares outbound and does not accompany people or object between gate and train body), in platform
While door is closed, train starts to start, and laser scan unit 1 and laser pick-off unit 2 are respectively by first motor 103 and the
Two motors 202 are controlled to be deflected to two sides, and then the area Gui Hang far from train, is restPosed.
It is suitable for the laser scanning anti-clipping system of rail traffic platform door in the present invention, by platform both ends respective column
Laser scan unit and laser pick-off unit is respectively set in track row region, by laser scan unit in certain deflection angle into
Row scanning, effectively realize between gate and train body whether Scanning Detction existing for someone or object, compared to original
For point-to-point detection, Surface scan detection is effectively realized, the covering surface of detection is effectively expanded, reduces the blind area of scanning,
The safety during rail traffic platform operation, and laser scan unit and laser pick-off list in the present invention are substantially ensured
Member can be driven by rotary shaft when not working under the control of corresponding motor and be deflected, and then the limit far from train, it is ensured that be swashed
The setting of optical scanning anti-clipping system does not have an impact the normal operation of train, and also the setting of improving laser scanning anti-clipping system is steady
It is qualitative, it prolongs its service life；In addition, laser scan unit and laser pick-off unit can carry out partially under the drive of corresponding motor
Turn fine tuning, and then effectively prevents laser scanning anti-clipping system by artificially adjustment is caused not when influence of ambient vibration, maintenance
Alignment issues realize the automatic calibration of anti-clipping system, reduce the workload of artificial maintenance, calibration, improve anti-clipping system
The accuracy of work.
Laser scanning anti-clipping system in the present invention, structure is simple, and setting is easy, can effectively realize platform door component and
The Scanning Detction of people or object between train body, it is ensured that the accuracy of the safety of station operation, detection is high, and error is small, and anti-
Clipping system does not invade train limit in train operation, can substantially ensure the stability of train operation, reduces anti-clipping system to column
The service life of the damage of vehicle car body, anti-clipping system is also longer, with good application prospect and promotional value.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of laser scanning anti-clipping system suitable for rail traffic platform door, which is characterized in that including being divided into straight line station
At least one laser scan unit and laser pick-off unit at platform both ends；
At least one corresponding described laser scan unit and the laser pick-off unit are respectively arranged with rotating electric machine, i.e., the first electricity
Machine and the second motor, two rotating electric machines are separately fixed at platform along longitudinal direction in the end door at both ends, and two rotating electric machines
Output shaft be vertically arranged respectively, and corresponding two rotating electric machines are respectively arranged with rotary shaft, i.e. the first rotary shaft and the
Two rotary shafts, two rotary shafts are fixedly and coaxially connected with the output shaft of corresponding rotating electric machine respectively, so that two rotations
Axis can carry out pivoting under corresponding rotating electric machine control；
The laser scan unit includes that can emit the laser emitter of laser and be fixedly connected on first rotary shaft periphery
Scanning steering engine, the scanning output shaft of the scanning steering engine is horizontally disposed, and the corresponding scanning output shaft is coaxially arranged with scanning
One end of swing arm, the scanning swing arm is fixedly connected with the scanning output shaft, and the other end is fixedly connected with the laser emitter,
So that the laser emitter can back and forth deflect certain angle around the axis for scanning swing arm under the scanning steering engine control
Degree；
The laser pick-off unit includes that vertically setting and laser inductor in long strip, the laser inductor can receive
The laser that the laser emitter issues, is fixedly connected on the periphery of second rotary shaft with several inductor swing arms；
Then the laser scan unit can be driven by first rotary shaft under first motor control and certain angle occurs
Deflection, and realize corresponding adjustment when protruding into train limit when work and not working far from the train limit, and described swash
Light scanning unit can drive and occur the deflection of certain angle by second rotary shaft under second motor control, and real
Corresponding adjustment longitudinally aligned with the laser scan unit and when not working far from the train limit when now working.
2. the laser scanning anti-clipping system according to claim 1 suitable for rail traffic platform door, wherein the laser
Scanning element is vertically spaced two, and two laser scan units are vertically to just.
3. the laser scanning anti-clipping system according to claim 1 or 2 suitable for rail traffic platform door, wherein described
The angle that laser scan unit rotates needed for being in working condition by the conversion of non-working condition is equal to the laser pick-off unit by not
The angle that working condition conversion rotates needed for being in working condition.
4. the laser scanning anti-clipping system according to claim 3 suitable for rail traffic platform door, wherein the laser
The angle that scanning element and the laser pick-off unit rotate needed for being in working condition by the conversion of non-working condition is 90 °, and
Gate and the laser pick-off unit of the laser scan unit on the concordant platform of non-working condition are in the shape that do not work
The concordant gate of state.
5. the laser scanning anti-clipping system according to any one of claims 1 to 4 suitable for rail traffic platform door,
In, the deflectable angle of the output shaft of the scanning steering engine is 3 °~8 °, further preferably 5 °.
6. the laser scanning anti-clipping system according to any one of claims 1 to 5 suitable for rail traffic platform door,
In, the connection intersection of the end door and gate is arranged in the laser scan unit and/or the laser pick-off unit.
7. it is suitable for the laser scanning anti-clipping system of rail traffic platform door described according to claim 1~any one of 6,
In, the setting length of the laser inductor is 1.0~1.5m, further preferably 1.2m.
8. the laser scanning anti-clipping system according to any one of claims 1 to 7 suitable for rail traffic platform door,
In, 0.1~0.3m of top surface of the distance from bottom platform slab of the laser inductor.
9. a kind of laser scanning anti-clipping system according to any one of claims 1 to 8 suitable for rail traffic platform door
Control method, rate-determining steps are as follows:
S1: after train enters the station and comes to a complete stop, the laser scan unit and the laser pick-off unit receive control signal respectively, and
It is controlled from corresponding rotating electric machine to the rail row region of platform and is deflected；
S2: the laser emitter and the laser inductor protrude into the train limit, and institute after deflecting certain angle respectively
Laser emitter and the laser inductor are stated along longitudinal direction to just；
S3: the laser emitter is started to work, and is generated laser and is emitted on the laser inductor；Meanwhile the scanning
Steering engine is started to work, and the past after-combustion axis deflection of certain angle is carried out；
S4: before train i.e. will be outbound, by laser inductor detection and feedback signal, if signal feedback display is normal,
Gate is closed, and train prepares outbound；If signal feedback display is abnormal, gate is postponed closing, and train postponement is outbound, directly
Until signal is shown normally；
S5: the signal of the laser inductor is shown as normally, and gate is closed, launch train；Meanwhile the laser emitter
It is controlled from corresponding rotating electric machine to the direction away from rail row region and is deflected respectively with the laser inductor, far from the column
Vehicle limit；
S6: the laser scan unit and the laser pick-off unit deflect back to initial position, and two rotating electric machines stop work
Make, train next time is waited to enter the station.
10. the control method of the laser scanning anti-clipping system according to claim 9 suitable for rail traffic platform door,
In, in step s 4, if signal detection be it is abnormal, before feeding back abnormal signal, first carry out the laser emitter and/or
The trim process of the laser inductor, with this judge abnormal signal whether by the laser emitter with it is described laser induced
For device not to just causing, trim process is as follows:
The first motor and/or second motor deflection certain angle are controlled, if the laser inductor can connect after deflection
Continuous continual scanning ray is received, then the laser inductor feeds back normal signal, if the laser inductor after deflection
Continuous continual scanning ray cannot be still received, then the laser inductor feeds back abnormal signal.
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