CN110103993A - The gate laser anti-clipping system and its control method of rail traffic curve platform - Google Patents
The gate laser anti-clipping system and its control method of rail traffic curve platform Download PDFInfo
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- CN110103993A CN110103993A CN201910390646.8A CN201910390646A CN110103993A CN 110103993 A CN110103993 A CN 110103993A CN 201910390646 A CN201910390646 A CN 201910390646A CN 110103993 A CN110103993 A CN 110103993A
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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
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
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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
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Abstract
The invention discloses the gate laser anti-clipping systems and its control method of rail traffic curve platform, belong to gate safety detection technology field, its Laser emission component and laser pick-off component that train limit is not invaded by being respectively set at curve platform both ends, and multiple laser refraction components are arranged in correspondence on gate, Laser emission component is injected into the laser beam in train limit successively on refractive deflection to laser pick-off component by each laser refraction component, to realize the anti-pinch detection on curve platform between gate and car body.Laser anti-clipping system of the invention, its structure is simple, and control is easy, adjusts, the accuracy of control height, it can be effectively applicable to various forms of curve platforms, the accuracy of detection is high, and error is small, and 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, and then ensures the safety of station operation, with good application prospect and promotional value.
Description
Technical field
The invention belongs to gate safety detection technology fields, and in particular to the gate laser of rail traffic curve platform
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, and anti-pinch detection is carried out in gate use process with it,
Existing anti-pinch safety measure is generally the correlation laser detection system of corresponding station setting, is distinguished by both ends AT STATION
Laser transmitter and terminal receiver are set, emit laser signal from laser transmitter to terminal receiver, then will by receiver
The modulated optical signal received is converted into corresponding electric signal, when light beam is interdicted, then issues alarm signal to control host,
Ensure the safety of platform door system operation with this.Above system can lift station operation to a certain extent safety, subtract
The case where few passenger is sandwiched in front of gate and car body generation.But due to the rectilinear propagation of laser, existing laser acquisition system
System is often suitable for straight line platform, and for curve platform, due to the presence at platform turning, existing laser detection system can not
It is effectively applicable in, can only be divided into curve platform multiple short by way of increasing multipair laser transmitter and terminal receiver
Straight line platform is realized the anti-pinch detection of gate with this, not only will increase the control difficulty of laser detection system in this way, also can
Greatly increase the input cost of equipment, the probability of malfunction of equipment can also increase accordingly, and then lead to making for laser detection system
It is significantly increased with, maintenance cost；Meanwhile existing laser detection system generally requires intrusion train limit, to detection system
The safety in operation of stability and train is arranged, and there are certain influences, and the volume of laser-correlation device is often larger, sets
That sets quantity increases the difficulty for not only increasing setting, can also aggravate the problem of invading train limit；In addition, existing laser-correlation
The both ends of gate are often arranged in device, and since gate is movable part, the vibration meeting in the course of work is so that laser pair
Ejaculation degree is affected to some extent, this is more obvious on curve platform, in turn results in the misalignment of testing result, occur missing inspection,
The situation misrepresented deliberately also increases the cost of maintenance, maintenance, influences the safe operation at station, increases the operation cost at station.In view of
This, existing laser detection system can not be effectively applicable to curve platform, and there are biggish application limitations.
Summary of the invention
One or more of aiming at the above defects or improvement requirements of the prior art, the present invention provides rail traffics
The gate laser anti-clipping system and its control method of curve platform, wherein being swashed by corresponding to gate setting on curve platform
Light emission component, laser pick-off component and laser refraction component can effectively avoid Laser emission component and laser pick-off component pair
The intrusion of train limit, the accurate anti-pinch completed between gate and train body detect, and the accuracy of detection is high, and error is small,
The safety in operation of lifting curve platform.
To achieve the above object, one aspect of the present invention provides a kind of gate laser of rail traffic curve platform
Anti-clipping system, which is characterized in that Laser emission component and laser pick-off component and right including being divided into curve platform both ends
Multiple laser refraction components on gate should be set；Wherein,
The Laser emission component is fixed in platform slab, does not invade train limit, and can including at least one
Emit the laser emitter of laser in the horizontal direction；
The laser pick-off component corresponds to Laser emission component setting, does not invade the train limit, and including
At least one laser pickoff, and can be through each laser refraction by whole laser beams that the Laser emission component projects
After the corresponding refraction of component laser pick-off component described in directive and the laser pick-off component can the gate and train it
Between all laser beams are received when not obstructing；
The gate of the curve platform is spliced by least two gate straightways correspondence, adjacent two platform
Angle between door straightway is not equal to 180 °, and the connection at the both ends of the gate and the adjacent two gate straightway
Place is respectively arranged with the laser refraction component；
The laser refraction component includes the driving assembly of laser refraction unit and corresponding laser refraction unit setting, institute
State the side that driving assembly is fixed at gate face rail row region, setting height and the laser emitter
Setting height is corresponding, and the laser that the laser emitter is issued horizontal can be transmitted to the laser refraction adjacent thereto
On unit, and the driving component can drive the laser refraction unit motion, and make the laser refraction unit can be in work
As when protrude into the train limit, and when not working far from the train limit；Then successively existed by the laser beam
Transmitting between the Laser emission component, multiple laser refraction components and the laser pick-off component is, it can be achieved that described
The laser anti-pinch of curve platform detects.
As a further improvement of the present invention, the gate straightway is two, i.e. first straight line section and second straight line
Section, and the setting quantity of the laser refraction component is three.
As a further improvement of the present invention, the driving component includes deflection steering engine, swing arm and adjustment steering engine；
The deflection steering engine is fixed on the gate, and deflection output shaft is vertically arranged；The swing arm is in
Horizontally disposed rod-shaped, one end is fixedly connected with the deflection output shaft, and the adjustment steering engine is fixed at the swing arm
The other end on, and the adjustment output shaft of the adjustment steering engine is vertically arranged, then the laser refraction unit and institute
Adjustment output shaft coaxial arrangement is stated, and the adjustment output shaft is fixedly connected with one end.
As a further improvement of the present invention, the laser refraction component is corresponded on the gate offers accommodating
Slot, to be used to be accommodated in the accommodation groove after the laser refraction unit deflects away from the train limit.
As a further improvement of the present invention, the laser emitter be vertically set gradually it is multiple, it is multiple described
Laser emitter is sequentially fixed on the first column being vertically arranged, and it is sharp that whole laser transmitter projects are gone out
Light light beam is in same vertical plane.
As a further improvement of the present invention, corresponding each laser emitter is respectively arranged with the laser pickoff,
Multiple laser pickoffs are vertically set gradually, and are sequentially fixed on the second column being vertically arranged.
As a further improvement of the present invention, the laser refraction unit is the prism being vertically arranged.
As a further improvement of the present invention, the Laser emission component and/or the laser pick-off component be in the longitudinal direction
The concordant corresponding gate straightway.
Another aspect of the present invention provides a kind of gate laser anti-clipping system of rail traffic curve platform
Control method, its step are as follows:
S1: after train enters the station and comes to a complete stop, each laser refraction component is respectively received control signal, and drives corresponding
It is mobile to the rail row region of the curve platform under the drive of component, until each laser refraction unit is respectively protruding into the column
In vehicle limit and it is parked in operating position；
S2: at least one described laser emitter and at least one laser pickoff are started to work, described sharp by what is worked
Optical transmitting set emits laser to its adjacent laser refraction unit, and the laser is after each laser refraction unit refraction
The corresponding laser pickoff of directive；
S3: before train i.e. will be outbound, the laser quantity and the described of work that the laser pick-off component is received swash
The quantity of optical transmitting set compares, and feeds back corresponding signal according to comparing result, if comparing result is equal, feedback is normal
Signal, gate is closed at this time, and train prepares outbound；If comparing result etc., abnormal signal is fed back, gate is temporary at this time
Slow to close, train postponement is outbound, until feeding back normal signal；
S4: feedback signal is shown as normally, and gate is closed, launch train；Meanwhile the Laser emission component and described
Laser pick-off component stops working respectively, and each laser refraction unit is driven respectively from corresponding driving assembly and to deviating from
The direction in rail row region is mobile, far from the train limit；
S5: it stops working after each laser refraction component recovery to original state, train next time is waited to enter the station.
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 gate laser anti-clipping system of rail traffic curve platform of the invention, by curve platform both ends
Platform slab on Laser emission component and laser pick-off component is respectively set, Laser emission component and laser pick-off component do not invade
Train limit, and be correspondingly arranged in platform door component it is multiple can working condition protrude into train limit and in non-working condition it is remote
Laser refraction component from train limit, by each laser refraction component by Laser emission component inject train limit in laser light
On Shu Yici refractive deflection to laser pick-off component, then by laser pick-off component to the laser beam quantity and hair received
Laser beam quantity out compares, and judges people or object whether are accompanied in train limit, to effectively realize curve platform
The anti-pinch of upper gate detects, and avoids a large amount of settings of Laser emission component and laser pick-off component, reduces curve platform
The setup cost of upper laser anti-clipping system；
(2) the gate laser anti-clipping system of rail traffic curve platform of the invention, Laser emission component and laser
Receiving unit far from train limit, and laser refraction component train come to a complete stop extend back into train limit and in train operation it is separate
Train limit, while guaranteeing anti-pinch detection accuracy, effectively preventing may after laser anti-clipping system invades train limit
It to the scratching of train body, damages, ensure that the safety of train operation and the stability of laser anti-clipping system setting, extend
The service life of laser anti-clipping system；
(3) the gate laser anti-clipping system of rail traffic curve platform of the invention, by gate face rail
Multiple laser refraction components are arranged in the side in row region, and laser refraction unit setting driving group is corresponded in laser refraction component
Part, is protruded by the corresponding driving laser refraction unit of driving assembly or far from train limit, effectively realize Laser emission component and
Laser pick-off component does not invade the anti-pinch detection of gate in the case of train limit, and the setup cost of laser refraction unit is low,
Control precision height, the setting economy and detection accuracy of energy sufficiently improving laser anti-clipping system；
(4) control method of the gate laser anti-clipping system of rail traffic curve platform of the invention, step is simple,
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 vehicle body of train
Nobody or object exist between gate, fully ensure that the safety of platform operation；
(5) the gate laser anti-clipping system of rail traffic curve platform of the invention, structure is simple, and control is easy,
Adjust, the accuracy of control it is high, can effectively realize the anti-pinch detection on curve platform between gate and car body, detection it is accurate
Property it is high, error is small, and laser anti-clipping system does not invade train limit in train operation, can substantially ensure the stabilization of train operation
Property, reduce damage of the anti-clipping system to train body, and then ensure the safety of station operation, with good application prospect and
Promotional value.
Detailed description of the invention
Fig. 1 is structure setting schematic diagram of the laser anti-clipping system on curve platform one in the embodiment of the present invention；
Fig. 2 is structure setting top view of the laser anti-clipping system on curve platform one in the embodiment of the present invention；
Fig. 3 is structure setting top view of the laser anti-clipping system on curve platform two in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the Laser emission component of laser anti-clipping system in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the laser pick-off component of laser anti-clipping system in the embodiment of the present invention；
Fig. 6 is that laser refraction component is illustrated in the structure setting close to Laser emission component side in the embodiment of the present invention
Figure；
Fig. 7 is that laser refraction component is illustrated in the structure setting close to laser pick-off component side in the embodiment of the present invention
Figure；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. Laser emission components,
101. laser emitter, 102. first support bars；2. laser pick-off component, 201. laser pickoffs, 202. second support bars；3.
Platform slab, 4. platform door components, 401. end doors, 402. first straight line sections, 403. second straight line sections, 404. accommodation grooves；5. laser
Refracted component, 501. laser refraction units, 502. deflection steering engines, 503. adjustment steering engines, 504. swing arms.
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 anti-clipping system in the preferred embodiment of the present invention is arranged on curve platform as shown in Figure 1, wherein bent
Line platform includes platform slab 3 and platform door component 4, and platform slab 3 is curve platform plate, and the side side wall close to rail row region exists
The bending of certain angle, and then the end door when platform door component 4 is arranged, in addition to being divided into 3 both ends of platform slab has occurred in middle part
401, it is correspondingly arranged mutual angled first straight line section 402 and second straight line section 403, between two end doors 401 with two
The end face angle of gate in-orbit row region side is as the angle between two gates, it is clear that in curve platform, two gates
Between angle be not equal to 180 °, it is generally the case that in view of the difficulty that train turns round, the angle between two gates is often situated between
Between 180 °~240 °.It should be evident that the rail row region of train may as shown in Figures 1 and 2 in curve platform, it can also
Can as shown in Figure 3, in curve platform shown in Fig. 3, the angle between two gates less than 180 °, usually 120 °~
180°.Under above two train rail row form, the setting form of each component all can be identical in laser anti-clipping system, main area
It is not the difference of 5 refractive Iy of gate junction laser refraction component.
In the preferred embodiment of the present invention by taking rail row form as in Figure 1 and Figure 2 as an example, wherein platform slab 3 can be regarded as by two
The station plate unit correspondence that block mutually forms an angle is spliced, and the both ends of platform slab 3 are respectively arranged with end door 401, and end door 401 is excellent
Choosing is transversely arranged, i.e., perpendicular to main track direction (longitudinal direction)；Correspondingly, first straight line section is provided on two station plate units respectively
402 and second straight line section 403, two gates be correspondingly connected in the middle part corner of platform slab 3, and with end and corresponding end door
401 connections, then form platform door component 4 as in Figure 1 and Figure 2.It should be evident that curve platform in corresponding preferred embodiment
Main track direction be also not straight line, i.e. longitudinal direction/main track direction of two gate intersection two sides is mutually angled, and excellent
It selects in embodiment, first straight line section 402 is preferably arranged along its corresponding main track direction respectively with second straight line section 403.
Further, Laser emission component 1 and laser pick-off component 2 are correspondingly arranged at the both ends of platform slab 3, two groups
Part is fixed in platform slab 3, to avoid or reduce 4 course of work of platform door component in vibration to two component operations essence
The influence of degree；Further, Laser emission component 1 and laser pick-off component 2 be far from train limit, and further preferably with it is corresponding
Gate it is concordant in the longitudinal direction, or the side that corresponding gate deviates from the area Gui Hang is set.
Specifically, in a preferred embodiment, the corresponding first straight line section 402 of Laser emission component 1 is arranged, laser pick-off group
The corresponding second straight line section 403 of part 2 is arranged, and the setting of Laser emission component 1 deviates from second straight line section 403 in first straight line section 402
In the platform slab 3 of side, correspondingly, the setting of laser pick-off component 2 deviates from 402 side of first straight line section in second straight line section 403
Platform slab 3 on；Further, Laser emission component 1 and laser pick-off component 2 are respectively further from train limit, and can be further
It is preferably provided with Laser emission component 1 and is not less than first straight line section 402 at a distance from train limit at a distance from train limit, and swash
Light-receiving component 2 is at a distance from train limit not less than second straight line section 403 at a distance from train limit；It is further preferred that
Laser emission component 1 and first straight line section 402 be concordant in the longitudinal direction and/or laser pick-off component 2 and second straight line section 403 exist
It is concordant on longitudinal direction.
Further, it is preferable to which the Laser emission component 1 in embodiment is as shown in Figure 4 comprising at least one laser hair
Emitter 101 and vertically arranged first support bar 102, the bottom of first support bar 102 are fixed on the top surface of platform slab 3, laser
Transmitter 101 is fixed in first support bar 102；Under normal conditions, laser emitter 101 is vertical spaced more
A, multiple laser emitters 101 are vertically aligned setting, and the laser beam that each laser emitter 101 issues is in together
In one vertical plane.For example, in a preferred embodiment, laser emitter 101 is two be vertically spaced, as shown in Figure 4.
Further, it is preferable to which the laser pick-off component 2 in embodiment is as shown in Figure 5 comprising at least one laser connects
Device 201 is received, the laser pickoff 201 in preferred embodiment is arranged in a one-to-one correspondence with laser emitter 101, i.e. laser pickoff
201 setting quantity is equal with the setting quantity of laser emitter 101.For example, in a preferred embodiment, laser pickoff 201
Setting quantity be vertically spaced two, it is as shown in Figure 5, then corresponding by each laser pickoff 201
Laser beam is received to judge that nobody or object exist between gate and train body, are otherwise sandwiched in station with regard to someone or object
Between platform door and car body；Certainly, laser pickoff 201 may be alternatively provided as receiving the form of all laser beams simultaneously, pass through
Judge whether the laser beam quantity received is equal to the amount shipped out of laser beam to detect between gate and train body
Whether someone or object exist.
Further, it since Laser emission component 1 and laser pick-off component 2 do not protrude into train limit, is preferably implemented
Corresponding two components are provided with three groups of laser refraction components 5 that can protrude into train limit in example, as shown in Figures 1 and 2.Three groups are swashed
Anaclasis component 5 is separately positioned on end of the first straight line section 402 close to Laser emission component 1, first straight line section 402 and second
The position and second straight line section 403 that straightway 403 connects are distinguished close to the end of laser pick-off component 2 for convenience of distinguishing herein
Laser beam with the reference of first refractive unit, the second refractive elements and third reflect unit, then from Laser emission component 1
It can correspond to and be emitted on first refractive unit, laser beam is subjected to unirefringence by first refractive unit, the laser after refraction
Light beam penetrates the second refractive elements along longitudinal direction, and then the second refractive elements carry out birefringence to laser beam, after making refraction
Laser beam correspondence penetrates third reflect unit, is finally reflected three times by third reflect unit to laser beam, and make to roll over
Laser beam correspondence after penetrating penetrates laser pick-off component 2, to realize the anti-pinch detection of gate.
And specifically, it is preferable to which the laser refraction component 5 in embodiment includes laser refraction unit 501, the laser refraction unit
501 may further be vertically arranged prism in a preferred embodiment；Further, it is preferable to the laser refraction list in embodiment
Member 501 can protrude into train limit at work, and in inoperative far from train limit, i.e. laser refraction unit 501 is activity
It is arranged on gate.
In a preferred embodiment, laser refraction component 5 is as shown in figures 6 and 7, wherein laser refraction component 5 further includes
Deflection steering engine 502 on gate is set, and the deflection output shaft of the deflection steering engine 502 is vertically arranged, and the corresponding deflection
Output shaft is provided with the swing arm 504 of axis horizontal, and one end of swing arm 504 is fixedly connected with deflection output shaft, fixes on the other end
It is provided with adjustment steering engine 503, the adjustment output shaft of adjustment steering engine 503 is vertically arranged, and one end of laser refraction unit 501 is same
The axis connection adjustment output shaft, 501 pivoting of laser refraction unit can be driven by then adjusting output shaft, realize laser refraction list
The adjustment of first 501 pairs of laser refraction angles.Further, it is preferable to which the length of swing arm 504 should meet when swing arm 504 in embodiment
Axis vertical main track direction when, swing arm 504 can be corresponded to away from one end of deflection steering engine 502 and be protruded into train limit, and with column
It is spaced apart between the car body of vehicle.
It opens up fluted further, it is preferable to correspond to laser refraction component 5 in embodiment, is used in protective door corresponding position
The corresponding accommodating of steering engine 502 is deflected, and preferred corresponding laser refraction unit 501 offers accommodation groove 404, so that laser refraction
Unit 501 can correspond to deflection and be accommodated in the accommodation groove 404, it is clear that the accommodation groove 404 can also correspond to accommodating adjustment steering engine 503
With swing arm 504, as shown in figures 6 and 7.So set, when can effectively ensure that train operation, do not have in train limit device or
Structure intrusion, also can guarantee can sufficiently detect people or object whether are accompanied in train limit when laser detection, it is ensured that train operation
Safety.
After gate laser anti-clipping system in the preferred embodiment of the present invention is provided with, need to each laser refraction unit
5 are debugged, are calibrated, and in debugging process, corresponding swing arm 504 is first deflected into the side of vertical main track by each deflection steering engine 502
To unlatching Laser emission component 1 generates at least beam of laser and is irradiated on first refractive unit, then adjusts corresponding adjustment
Steering engine 503 is adjusted so that laser beam can be corresponded to and be received by laser pick-off component 2 after three laser refraction units 501 reflect
After the completion of examination, adjustment steering engine 503 is locked, and deflects the angle that the record of steering engine 502 returns initial position from train limit intrinsic deflection, with
Its work deflection angle as each laser refraction unit 501, it is ensured that the deflection each time of laser refraction unit 501 all with school
It is punctual identical, realize the exact refractive of laser.Certainly, after prolonged reciprocally swinging, the refraction of each laser refraction unit 501
Slight change may occur for angle, thus can AT STATION the empty window time laser anti-clipping system is calibrated, the process of calibration
It can refer to above-mentioned steps progress.
Further, the gate laser anti-clipping system of preferred embodiment of the present invention middle orbit traffic curve platform,
When practical application, preferably controlled referring to following steps:
S1: before train enters the station, Laser emission component 1, laser pick-off component 2 and each laser refraction component 5 are respectively at
Non- working condition, each laser refraction unit 501 do not invade the limit of train；
S2: after train enters the station and comes to a complete stop, the sliding door of corresponding Train door is started to work, and passenger starts upper Train；Together
When, Laser emission component 1, laser pick-off component 2 and each laser refraction component 5 are respectively received control signal and start to work, respectively
Laser refraction unit 501 is driven by corresponding deflection steering engine 502 respectively, and is deflected into train limit；
S3: Laser emission component 1 and laser pick-off component 2 are started to work, and each laser emitter 101 generates laser beam simultaneously
Successively it is transmitted on laser pickoff 201 by the refraction of each laser refraction unit 501；
S4: before train i.e. will be outbound, the gate at station starts slowly closing, at this point, corresponding by laser pick-off component 2
Feedback signal is to train and/or station control room, and then the signal fed back according to laser pick-off component 2, whether judges gate
It needs emergent stopping to close, and judges whether train can be outputed from station；
Specifically, working as the laser beam quantity that laser pick-off component 2 receives and the laser that Laser emission component 1 issues
When number of beams is equal, show not accompanying people or object between platform door component and train body, feed back " normal " signal at this time,
Gate can correspond to closing, and train can be outbound after gate closing；When the laser beam quantity that laser pick-off component 2 receives
When unequal with the laser beam quantity of the sending of Laser emission component 1, show that there are people between platform door component and train body
Or object barrier, " abnormal " signal is fed back at this time, and gate is postponed closing, and train pause is outbound.
If laser pick-off component 2 does not receive laser beam completely, before feedback " improper " signal, each tune can be passed through
Whole steering engine 503 carries out fine position to each laser refraction unit 501, if laser pick-off component 2 can receive and laser after fine tuning
The equal laser beam of the laser beam quantity that transmitter 101 issues, then feed back " normal " signal, and in next station sky window
Phase calibrates laser anti-clipping system；If laser pick-off component 2 can not still receive laser beam after fine tuning, feed back " non-
Normally " signal, gate are postponed closing, and train pause is outbound.
S5: when feedback signal be " normal " signal (have ensured that do not accompanied between gate and train body people or
Object), and train prepare it is outbound when, gate close while, train starts to start, and each laser refraction unit 501 distinguish
It is controlled by corresponding deflection steering engine 502, then each laser refraction unit 501 deflects away from train limit and finally restores initial shape
State.
Further, laser anti-clipping system can commence work without delay after train comes to a complete stop, and can also prepare to close in gate
It starts to work in preceding certain time, meanwhile, after train limit is protruded into each deflection of laser refraction unit 501, laser emitter 101 can
It commences work without delay, can also start to emit laser beam when gate prepares and closes.In short, when the work of laser anti-clipping system
Between section can be adjusted according to actual needs, adjustment space is big, and flexibility ratio is high.And it will be apparent that if curve platform not
It is two-part structure, the laser anti-clipping system in the present invention still can be applicable in, it is only necessary to corresponding to increase setting for laser refraction component 5
Set quantity.
The gate laser anti-clipping system that respective carter traffic curve platform is arranged in the present invention, by curve platform
Laser emission component and laser pick-off component are respectively set in the platform slab at both ends, Laser emission component and laser pick-off component are not
Train limit is invaded, and is correspondingly arranged in platform door component and multiple in working condition can protrude into train limit and in the shape that do not work
Laser emission component is injected swashing in train limit by each laser refraction component by laser refraction component of the state far from train limit
Light light beam successively on refractive deflection to laser pick-off component, then passes through laser pick-off component to the laser beam quantity received
It is compared with the laser beam quantity of sending, judges whether accompany people or object in train limit, to realize the anti-of gate
Folder detection.
Gate laser anti-clipping system in the present invention, structure is simple, and control is easy, adjusts, the accuracy of control height,
The intrusion of Laser emission component and laser pick-off component to train limit can be effectively avoided, laser anti-clipping system is avoided to invade train
After limit may to the scratching of train body, damage, ensure that train operation safety and the setting of laser anti-clipping system it is steady
It is qualitative, extend the service life of laser anti-clipping system；Meanwhile by the setting of multiple laser refraction components, effectively realize
The transmitting and reception of laser beam accurately complete the anti-pinch detection between the gate of curve platform and train body, and keep away
The a large amount of settings for having exempted from Laser emission component and laser pick-off component, have saved the setup cost of laser anti-clipping system, have simplified
The control process of laser anti-pinch detection；In addition, being correspondingly arranged for laser refraction component not only effectively realizes curve platform train
The accurate transmission of laser in limit, moreover it is possible to avoid laser refraction component in train operation by the corresponding deflection of laser refraction component
When intrusion to train limit, fully ensure that the safety and stability of station operation.In short, passing through above-mentioned laser anti-clipping system
Setting, can accurately realize curve platform laser anti-pinch detection, it is ensured that the stabilization of rail traffic station, safe operation have
Preferable 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 (9)
1. a kind of gate laser anti-clipping system of rail traffic curve platform, which is characterized in that including being divided into curve platform
The Laser emission component and laser pick-off component at both ends, and the multiple laser refraction components being correspondingly arranged on gate；Its
In,
The Laser emission component is fixed in platform slab, does not invade train limit, and can be along water including at least one
Square to transmitting laser laser emitter；
The laser pick-off component corresponds to the Laser emission component setting, does not invade the train limit, and including at least
One laser pickoff, and can be through each laser refraction component by whole laser beams that the Laser emission component projects
Laser pick-off component described in directive and the laser pick-off component can not have between the gate and train after corresponding refraction
All laser beams are received when having barrier；
The gate of the curve platform is spliced by least two gate straightways correspondence, and adjacent two gate is straight
Angle between line segment is not equal to 180 °, and the connection punishment of the both ends of the gate and the adjacent two gate straightway
It is not provided with the laser refraction component；
The laser refraction component includes the driving assembly of laser refraction unit and corresponding laser refraction unit setting, the drive
Dynamic component is fixed at the side in gate face rail row region, the setting of setting height and the laser emitter
Height is corresponding, and the laser that the laser emitter is issued horizontal can be transmitted to the laser refraction unit adjacent thereto
On, and the driving component can drive the laser refraction unit motion, and make the laser refraction unit can be at work
The train limit is protruded into, and when not working far from the train limit；Then by the laser beam successively described
Transmitting between Laser emission component, multiple laser refraction components and the laser pick-off component is, it can be achieved that the curve
The laser anti-pinch of platform detects.
2. the gate laser anti-clipping system of rail traffic curve platform according to claim 1, wherein the gate
Straightway is two, i.e. first straight line section and second straight line section, and the setting quantity of the laser refraction component is three.
3. the gate laser anti-clipping system of rail traffic curve platform according to claim 1 or 2, wherein the drive
Dynamic component includes deflection steering engine, swing arm and adjustment steering engine；
The deflection steering engine is fixed on the gate, and deflection output shaft is vertically arranged；The swing arm is in level
What is be arranged is rod-shaped, and one end is fixedly connected with the deflection output shaft, and the adjustment steering engine is fixed at the another of the swing arm
On one end, and the adjustment output shaft of the adjustment steering engine is vertically arranged, then the laser refraction unit and the tune
Whole output shaft coaxial arrangement, and the adjustment output shaft is fixedly connected with one end.
4. the gate laser anti-clipping system of rail traffic curve platform according to claim 3, wherein in the platform
The laser refraction component is corresponded on door and offers accommodation groove, to deflect away from the train limit for the laser refraction unit
It is accommodated in behind boundary in the accommodation groove.
5. the gate laser anti-clipping system of rail traffic curve platform according to any one of claims 1 to 4,
In, the laser emitter is vertically to set gradually multiple, and multiple laser emitters, which are sequentially fixed at, vertically to be set
On the first column set, and the laser beam that all laser transmitter projects go out is in same vertical plane.
6. the gate laser anti-clipping system of rail traffic curve platform according to claim 5, wherein corresponding each described
Laser emitter is respectively arranged with the laser pickoff, and multiple laser pickoffs are vertically set gradually, and successively solid
It is scheduled on the second column being vertically arranged.
7. the gate laser anti-clipping system of rail traffic curve platform described according to claim 1~any one of 6,
In, the laser refraction unit is the prism being vertically arranged.
8. the gate laser anti-clipping system of rail traffic curve platform according to any one of claims 1 to 7,
In, the Laser emission component and/or the laser pick-off the component concordant corresponding gate straightway in the longitudinal direction.
9. a kind of control of the gate laser anti-clipping system of rail traffic curve platform according to any one of claims 1 to 8
Method processed, its step are as follows:
S1: after train enters the station and comes to a complete stop, each laser refraction component is respectively received control signal, and in corresponding driving assembly
Drive under it is mobile to the rail row region of the curve platform, until each laser refraction unit is respectively protruding into the train limit
In boundary and it is parked in operating position；
S2: at least one described laser emitter and at least one laser pickoff are started to work, and are sent out by the laser to work
Emitter emits laser to its adjacent laser refraction unit, laser directive after each laser refraction unit refraction
Corresponding laser pickoff；
S3: before train i.e. will be outbound, the laser of laser quantity and work that the laser pick-off component is received is sent out
The quantity of emitter compares, and feeds back corresponding signal according to comparing result, if comparing result is equal, feeds back normal letter
Number, gate is closed at this time, and train prepares outbound；If comparing result etc., abnormal signal is fed back, gate is postponed at this time
It closes, train postponement is outbound, until feeding back normal signal；
S4: feedback signal is shown as normally, and gate is closed, launch train；Meanwhile the Laser emission component and the laser
Receiving unit stops working respectively, and each laser refraction unit respectively from corresponding driving assembly drive and to away from described
The direction in rail row region is mobile, far from the train limit；
S5: it stops working after each laser refraction component recovery to original state, train next time is waited to enter the station.
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