CN1164450C - High-safety Co-60 radiating interlock method and system for inspecting radiation of goods train - Google Patents
High-safety Co-60 radiating interlock method and system for inspecting radiation of goods train Download PDFInfo
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- CN1164450C CN1164450C CNB02120800XA CN02120800A CN1164450C CN 1164450 C CN1164450 C CN 1164450C CN B02120800X A CNB02120800X A CN B02120800XA CN 02120800 A CN02120800 A CN 02120800A CN 1164450 C CN1164450 C CN 1164450C
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000005855 radiation Effects 0.000 title claims description 21
- 230000003137 locomotive effect Effects 0.000 claims abstract description 41
- 238000007689 inspection Methods 0.000 claims abstract description 17
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000005693 optoelectronics Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 206010010774 Constipation Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 102100024017 Glycerol-3-phosphate acyltransferase 3 Human genes 0.000 description 1
- 101000904259 Homo sapiens Glycerol-3-phosphate acyltransferase 3 Proteins 0.000 description 1
- 101100356345 Homo sapiens RETREG2 gene Proteins 0.000 description 1
- 101150009428 MAG2 gene Proteins 0.000 description 1
- 102100024733 Reticulophagy regulator 2 Human genes 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- JQAACYUZYRBHGG-QHTZZOMLSA-L magnesium;(2s)-5-oxopyrrolidine-2-carboxylate Chemical compound [Mg+2].[O-]C(=O)[C@@H]1CCC(=O)N1.[O-]C(=O)[C@@H]1CCC(=O)N1 JQAACYUZYRBHGG-QHTZZOMLSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention relates to a train radiating safety interlocking method for inspecting Co-60 goods trains and a system thereof, which belongs to the technical field of radiating safety interlocking for inspecting railway trains. The present invention is characterized in that firstly, two pairs of magnetic sensors are used for distinguishing a train running direction; a pair of magnetic sensors for identifying the wheel spacing of goods trains in the inner sides of railway tracks in a train entry direction, a magnetic sensor for sending out a starting identifying signal and a terminating identifying signal, magnetic sensors arranged on the inner sides of the railway tracks for allowing count and finishing the count in the entry direction, and two groups of photoelectric sensors of which the height is from a carriage bottom plate to the lower edge of a train window for counting gap number among carriages outside the railway tracks are used for simultaneously judging a train category; a manual goods train confirming signal and one of two identifying signals are used for final confirmation together; subsequently, a shutter opening magnetic sensor is used for distinguishing whether a locomotive reaches the position of allowing to open a shutter for the ray scan inspection of a goods train or not. The system only inspects an entry goods train and ensures driver safety.
Description
Technical field
The train radiation safety interlocking method of cobalt 60 goods train inspection usefulness and system thereof belong to the radiation safety interlocking technology field of railroad train inspection usefulness.
Background technology
Tsing-Hua University nuclear grind institute's design with succeed in developing make radiogenic railway truck On line inspection system with cobalt 60 isotope sources and develop for the characteristics that adapt to the transportation of railway port, border and check.It is only to checking from the goods train of overseas opening, and avoids checking from passenger train of overseas opening and the train that leaves for overseas.Owing to adopt cobalt 60 isotope sources to make radiographic source, therefore must correspondingly design a kind of radiation safety interlocking and device.Owing to make radiogenic railway truck check system with cobalt 60 isotope sources and still belong to the first, therefore, just have initiative at the radiation safety interlocking method of this system.The characteristics of lorry are that the driver is in front on the chief and vice driver's seat of locomotive, from the checked compartment of first segment certain distance is arranged, this has just guaranteed the radiation safety of teamster when head being saved the compartment scan, and what also will guarantee certainly to be checked has only from the lorry of overseas opening.
Summary of the invention
The object of the present invention is to provide train radiation safety interlocking method and the system thereof of a kind of inspection overseas from the lorry opened and the cobalt 60 goods train inspection usefulness that can guarantee driver's radiation safety again.
Train radiation safety interlocking method of the present invention is characterised in that it contains following steps successively:
(1). differentiate the train vibration influence direction with being positioned on the rail two pairs of train vibration influence direction Magnetic Sensors at sense channel two ends;
(1.1). if be judged to be the departure direction, then judge the shutter state again;
(1.1.1). if shutter close then forbids changing up door again, check to stop;
(1.1.2). if shutter opening is then closed shutter, forbid opening again, check to stop;
(1.2). if be judged to be the immigration direction, then carry out next step;
(2). the lorry acknowledgment signal of using one of detected recognition result signal of lorry identification sensor group based on freight car wheel spacing method or gap, compartment scale of notation and system to receive is differentiated the train classification jointly, be both and be " 1 ", confirm as lorry, otherwise, then confirm as passenger vehicle;
(2.1) if. passenger vehicle, then judge again that according to step (1.1) the shutter state carries out corresponding operating;
(2.2) if. lorry, then carry out next step;
(3). according to be installed in changing up door sensor and whether detecting the locomotive arriving signal and judge whether the driver has arrived the safety zone also is whether locomotive arrives the position that allows to open shutter of the sense channel other end along train immigration direction;
(3.1). then send and change up an instruction if detect the locomotive arriving signal, carry out changing up door operation;
(3.2). if detect less than the locomotive arriving signal, (1.1) judge the shutter state then set by step, carry out corresponding operating;
(4). open shutter, with cobalt 60 radiographic inspection lorries;
(4.1). if meet emergency situation, then close shutter, check to stop;
(4.2). if another train vibration influence direction Magnetic Sensor does not detect the wheel arriving signal in 15 seconds, think that then train leaves, close shutter this moment, stop checked operation.
It has used between-wheel spacing method and gap, compartment scale of notation simultaneously the train classification judgement of described step (2), and they contain following steps respectively successively:
(1). between-wheel spacing method
(1.1). judge whether locomotive can send the position of the freight car wheel spacing identification of identification signal with the automobile-used Magnetic Sensor of arrival shield machine behind the Magnetic Sensor along the immigration direction by being located at a rail inboard;
(1.2). if having reached the described position of step (1.1), locomotive then sends beginning identification signal and discerning;
(1.3). if locomotive has further arrived the position that the locomotive that is used to send the end judgement and read the recognition result signal that is located at same rail inboard arrives sensor along the immigration direction, then send the locomotive arriving signal, judge then whether two freight car wheel spacing identifications once were all low level with the output of sensor: if once be all low level, then recognition result is a lorry; If be not all low level, then recognition result is a passenger vehicle, finishes to differentiate;
(2). gap, compartment scale of notation
(2.1). judge that being preset in gap, compartment number on the rail along train immigration direction adds up in the Magnetic Sensor at interval two ends and promptly to begin counting along one of the immigration direction and whether detect the train arriving signal with Magnetic Sensor;
(2.2). if detected the train arriving signal, then with lay respectively at rail both sides above-mentioned interval in can only make detect light from the gap, boxcar and the photoemitter that can not from the gap of compartment and passenger car, pass through and accordingly receptor count gap, the compartment number that passes through;
(2.3). judge being positioned at above-mentioned interval counts whether sent the train arriving signal with Magnetic Sensor away from the end of the other end of immigration direction;
(2.4). if received the train arriving signal, then send the instruction that finishes gap, compartment counting, stop counting operation;
(2.5). judge that gap, compartment number is whether greater than pre-set threshold:, then differentiate the result and be lorry if be greater than or equal to threshold value; If less than threshold value, then be passenger vehicle;
(2.6). stop differentiating operation.
Train radiation safety interlock system of the present invention is characterised in that, it contains: the Programmable Logic Controller substation, the Programmable Logic Controller main website and the main control console guidance panel that link to each other respectively through network and Programmable Logic Controller substation, the industrial computer that links to each other with the Programmable Logic Controller main website through network, the device of the distinguishing passenger train from goods train by betwene-carriage gap counting method that links to each other with the Programmable Logic Controller substation and between-wheel spacing method are discerned the device of passenger train lorry respectively, successively through electromagnetic driver, relay and the shutter that is controlled by the Programmable Logic Controller substation, link to each other with Programmable Logic Controller substation input end detect the shutter open and-shut mode near switch, through the magnetic sensor signal treatment circuit and the detection locomotive that links to each other with the input end of Programmable Logic Controller substation arrives and to allow to change up a position uses change up door status sensor and lay respectively at the two ends of sense channel on the rail and four train vibration influence direction Magnetic Sensors that link to each other with the input end of Programmable Logic Controller substation through the magnetic sensor signal treatment circuit.The device of described between-wheel spacing method identification passenger train lorry, it contains: its mounting center that is provided with successively along any rail inboard of train immigration direction is apart from two freight car wheel spacing identification Magnetic Sensors that equal rake of wagons wheel center distance, be used to shield locomotive and send the Magnetic Sensor that begins identification signal, judge whether locomotive arrives and send end and judge, read the Magnetic Sensor of recognition result signal, mouth is discerned the magnetic sensor signal treatment circuit that links to each other with the Magnetic Sensor mouth with two freight car wheel spacings, another magnetic sensor signal treatment circuit that input end links to each other with the mouth with locomotive arrival Magnetic Sensor of locomotive shielding Magnetic Sensor respectively, input end respectively with above-mentioned two magnetic sensor signal treatment circuits totally four mouths link to each other Programmable Logic Controller, the voltage follower that described two magnetic sensor signal treatment circuits contain the module GXC9801 that is useful on conversion Magnetic Sensor output potential separately and each personal chip LM324 of linking to each other with above-mentioned GXC9801 module mouth constitutes.The device of described distinguishing passenger train from goods train by betwene-carriage gap counting method, it contains: two be installed on the inboard and distance therebetween of rail according to gap, the compartment number of actual needs statistics fixed Magnetic Sensor, between above-mentioned two Magnetic Sensors and be arranged in the rail outside and overhead height can only make detect photoemitter and the receptor that light passes through from the gap, boxcar, the magnetic sensor signal treatment circuit that input end links to each other with above-mentioned two Magnetic Sensor mouths, the Programmable Logic Controller that input end and above-mentioned magnetic sensor signal treatment circuit mouth link to each other with above-mentioned photelectric receiver mouth, the read-out and the power supply that link to each other with above-mentioned Programmable Logic Controller, described magnetic sensor signal treatment circuit are to be made of two voltage followers that GXC9801 module and each personal chip LM324 of linking to each other with its mouth constitute.
It has reached intended purposes to use proof.
Description of drawings
The planar view of Fig. 1, detecting test station.
The decision flow chart of Fig. 2, radiation safety interlocking.
Fig. 3, judge the diagram of circuit of train classification with between-wheel spacing method.
Fig. 4, usefulness gap, compartment scale of notation are judged the diagram of circuit of train classification.
Fig. 5, judge the schematic block circuit diagram of the device of passenger train lorry with between-wheel spacing method.
Fig. 6, usefulness gap, compartment scale of notation are judged the schematic block circuit diagram of the device of passenger train lorry.
Fig. 7, each Magnetic Sensor of the present invention and opto-electronic pickup are along the distribution schematic diagram of immigration direction on rail.
The schematic diagram of Fig. 8, magnetic sensor signal treatment circuit.
The schematic circuit diagram of the train radiation safety interlock system of Fig. 9, cobalt 60 goods train inspection usefulness.
The main program flow block diagram of the train radiation safety interlocking method of Figure 10, cobalt 60 goods train inspection usefulness.
The specific embodiment
Ask for an interview Fig. 1: 1 is the shielding shutter, and 2 be active source, and 3 be pig, 4 for survey that the fast off status of shutter uses near switch, i.e. J1, J2,5 is ray, 6 is detector, 7 is the inspection passage, 8 is rail, 9 is scram button.It shown in the figure shutter open mode.
Goodbye Fig. 2.Judge by the method that adopts wheel sensor to obtain the wheel arriving signal whether train arrival and travel direction, train classification and locomotive have arrived that to change up a position be the position whether driver has entered the safety zone.Used wheel sensor is GXDM-H/D type disturbance rejection Magnetic Sensor.Below will illustrate respectively.
The Magnetic Sensor C that the train vibration influence discriminating direction is used
11And C
2～C
4Seeing Fig. 7 along the distribution situation on the rail of immigration direction.C
5～C
7It is the door sensor that changes up that is used to trigger the shutter self-opening; C
8～C
10Be to discern passenger and freight car, wherein C with " between-wheel spacing method "
8, C
9Be the sensor of freight car wheel spacing identification usefulness, C
10Be to be used to shield locomotive to send the Magnetic Sensor of beginning identification signal, C
1Be to be used to judge whether locomotive arrives and send the Magnetic Sensor that finishes to judge, read the recognition result signal.C
11Still " gap, compartment scale of notation " discerns the permission counting Magnetic Sensor of passenger and freight car, finishes the sensor and the sensor C of counting usefulness
1Shared; They are shown among Fig. 7 along the distribution of immigration direction rail length.In addition, the opto-electronic pickup that also has " gap, a compartment scale of notation " usefulness, its distribution in the horizontal direction is shown among Fig. 7, be on the cabin floor under the vehicle window lower edge in vertical direction, make and detect light and can only pass the gap, compartment from a photoemitter that is positioned at the rail outside and arrive the photelectric receiver that is positioned at another rail outside, only to guarantee gap, compartment counting and can not see through the compartment.
Goodbye Fig. 8.The resulting millivolt signal of above-mentioned each Magnetic Sensor will change into the needed 0V/24V logic level of Programmable Logic Controller through the magnetic sensor signal treatment circuit.The present invention handles each signal of sensor with the GXC9801 module, in peripheral treatment circuit, original output logic is changed into 0/24V by 0/5V, promptly original output power supply is changed into 24V by 5V, and according to the allowed band of the outgoing current of processing module GXC9801, revise the pull down resistor value, and between peripheral circuit and Programmable Logic Controller, added a voltage follower that constitutes with chip LM324.Its output signal is represented with Out1, Out2 respectively.
The judgement of train vibration influence direction is to adopt wheel sensor to obtain wheel signal, judges through software to obtain travel direction again.Because this Magnetic Sensor can only detect the wheel of coming along magnetic sensor signal line direction, therefore need four sensors just can judge the direction of train vibration influence.To the departure side 4 Magnetic Sensor C are installed successively from the immigration side of detection faces
11And C
2～C
4C
11And C
2Be installed in the immigration side, C
3And C
4Be installed in the departure side.As Magnetic Sensor C
11C when being triggered
3Be not triggered, then thought immigration; Work as C
4C when being triggered
2Be not triggered, then thought departure.
Ask for an interview Fig. 3.Two between-wheel spacings identification sensors that are used to judge train wheel arrival are installed on a rail.Their mounting center is apart from equaling rake of wagons wheel center distance.When freight car wheel through out-of-date, two simultaneous moment of pulse are always arranged, but for passenger vehicle, the width between centers of one group wheel is greater than the mounting center distance of two wheel sensores, thereby do not have the moment that two pulses take place simultaneously, thereby visitor, lorry can be distinguished.Its circuit theory is seen Fig. 5.Programmable Logic Controller adopts PLC224, down together; Its signal processing circuit is seen Fig. 8.
Goodbye Fig. 4.It discerns passenger and freight car by the compartment is counted at interval.The general interval that has half meter between the boxcar, available photoelectricity correlation method produces railway car count pulse at interval; And all be communicated with between passenger car, do not exist the counting droped beat to dash when using opto-electronic pickup and produce.First pulse also can be triggered in the consideration passenger vehicle and the locomotive of lorry and the gap between the first segment compartment, uses photoelectricity can produce impulse singla to shooting method to the train in the walking, and it is first counting.Thereby if can accurately obtain the compartment space-number, then the overall pulse counting is 1 interval scale passenger vehicle, then is lorry greater than 1 o'clock.For increasing the accuracy of judgement degree of equipment, can establish 6 to 8 car length intervals, choose 3～5 threshold values as a comparison.In one section distance that comprises several compartments, if the counting in gap, compartment is defined as lorry more than or equal to threshold value, otherwise, be passenger vehicle.Consider that passenger vehicle at the accidental slit counting that some extraordinary circumstances produces, can make system that very strong antijamming capability is arranged with the threshold value comparison method.Fig. 6 is its schematic block circuit diagram.10 are two is respectively and allows two Magnetic Sensors beginning to count, finish to count, MAG1+ and MAG1-, MAG2+ and MAG2-are respectively the two pairs of sensor signal input ends of module GXC9801 in the magnetic sensor signal treatment circuit 11, the 12nd, the receptor in the opto-electronic pickup, the 13rd, LED display, the 14th, 24V power supply.
Goodbye Fig. 9.15 is industrial computer, 16 is the PLC315-2DP of Programmable Logic Controller main website, between it and the industrial computer 15 through MPI (Multi-Point Interface, multipoint interface) network links to each other, 17 is main console desk guidance panel PP17, all (Distributed I/O, distributed I/O) network links to each other with Programmable Logic Controller main website 16 through DP respectively for Programmable Logic Controller substation PLC224, main console desk guidance panel 17.Shutter 1 adopts the long travel electromagnetic driver 18 of MTJ1-230/50 model to drive, because the input control voltage of electromagnetic driver 18 is for exchanging 380V, and PLC224 is output as the 24V/0V logic level, so between has increased by two solid-state relay G3NA-220B drivings.The 12nd, photelectric receiver, J
1, J
2Be be used to judge shutter 1 on off state near switch.Magnetic Sensor C
1～C
4, C
5-C
7, C
8-C
11Link to each other through the digital signal input end of magnetic sensor signal treatment circuit 11 respectively with Programmable Logic Controller substation PLC224.
From Fig. 7 as seen: no matter be gap, compartment scale of notation or between-wheel spacing method, they all arrive Magnetic Sensor C at train along the immigration direction for the judgement of train classification
1In time, finish, C
11Be not only allow counting usefulness with the Magnetic Sensor of judging that direction is used, also provide cue simultaneously so that manually confirm and send the signal of lorry manual confirmation to system.For between-wheel spacing method, train just enters the identification signal acquisition phase when the immigration direction arrives the between-wheel spacing identification sensor, and locomotive wheel arrives locomotive shield sensor C
10The position just enters the permission cognitive phase by collection, further arrives sensor C again
1The position time, the recognition result signal is differentiated, read to the constipation bundle.For the scale of notation of gap, compartment, train wheel arrives along the immigration direction and allows to begin to count Magnetic Sensor C
11The time just enter the preparation counting stage, the 1st gap of railway carriage just begins counting when arriving the position of opto-electronic pickup, train wheel enters Magnetic Sensor C
1The position time constipation bundle counting, and differentiate.Receive when system and manually to send the car signal and be lorry of knowing goods really, just finally think lorry with between-wheel spacing method or gap, compartment scale of notation discrimination result.After being judged to be the lorry of immigration, in order to guarantee driver's radiation safety, Magnetic Sensor has been installed at the L place, a certain position that departs from the passage detection faces, be used for detecting the position of locomotive.When having only first group of wheel of locomotive to arrive herein, just allow to change up door, and triggering changes up door automatically, scans.Because two locomotives always are about 34m, and the driver is positioned at the head of locomotive, so L elects 25m as.According to the radiological safety protection design sheets of native system, this distance has been enough to guarantee driver's safety, and has reserved the sufficient time for again the unlatching of shutter.Install three and change up door status sensor C
5, C
6, C
7Be in order to guarantee reliability, to adopt 3 to get 2 redundant fashion.If train vibration influence direction Magnetic Sensor C in 15 seconds
3Do not detect the wheel arriving signal, think that then train leaves, close shutter this moment, stop checked operation, get back to initial condition.When train arrives Magnetic Sensor C along the departure direction
4The time, can judge the train vibration influence direction for departure, do not carry out checked operation, get back to initial condition.Diagram of circuit is seen Figure 10.
This shows that the present invention has reached the purpose to the radiation safety interlocking of train.
Claims (5)
1. the train radiation safety interlocking method of cobalt 60 goods train inspection usefulness, the signal that contains useful sensor acquisition reflection train vibration influence direction, locomotive position and lorry identification, be to lead the step that the signal processing circuit that constitutes receives above-mentioned signal and carries out corresponding operating with Programmable Logic Controller again, it is characterized in that it contains following steps successively:
(1.1). differentiate the train vibration influence direction with being positioned on the rail two pairs of train vibration influence direction Magnetic Sensors at sense channel two ends;
(1.1.1). if be judged to be the departure direction, then judge the shutter state again;
(1.1.1.1). if shutter close then forbids changing up door again, check to stop;
(1.1.1.2). if shutter opening is then closed shutter, forbid opening again, check to stop;
(1.1.2). if be judged to be the immigration direction, then carry out next step;
(1.2). the lorry acknowledgment signal of using one of detected recognition result signal of lorry identification sensor group based on freight car wheel spacing method or gap, compartment scale of notation and system to receive is differentiated the train classification jointly, be both and be " 1 ", confirm as lorry, otherwise, then confirm as passenger vehicle;
If (1.2.1). passenger vehicle, then judge shutter state execution corresponding operating again according to step (1.1.1);
If (1.2.2). lorry, then carry out next step;
(1.3). according to be installed in changing up door sensor and whether detecting the locomotive arriving signal and judge whether the driver has arrived the safety zone also is whether locomotive arrives the position that allows to open shutter of the sense channel other end along train immigration direction;
(1.3.1). then send and change up an instruction if detect the locomotive arriving signal, carry out changing up door operation;
(1.3.2). if detect less than the locomotive arriving signal, (1.1.1) judges the shutter state then set by step, carries out corresponding operating;
(1.4). open shutter, with cobalt 60 radiographic inspection lorries;
(1.4.1). if meet emergency situation, then close shutter, check to stop;
(1.4.2). if another train vibration influence direction Magnetic Sensor does not detect the wheel arriving signal in 15 seconds, think that then train leaves, close shutter this moment, stop checked operation.
2. the train radiation safety interlocking method of cobalt 60 goods train inspection usefulness according to claim 1, it is characterized in that: it has used between-wheel spacing method and gap, compartment scale of notation simultaneously the train classification judgement of described step (1.2), and they contain following steps respectively successively:
(2.1). between-wheel spacing method
(2.1.1). judge whether locomotive can send the position of the freight car wheel spacing identification of identification signal with the automobile-used Magnetic Sensor of arrival shield machine behind the Magnetic Sensor along the immigration direction by being located at a rail inboard;
(2.1.2). if having reached the described position of step (2.1.1), locomotive then sends beginning identification signal and discerning:
(2.1.3). if locomotive has further arrived the position that the locomotive that is used to send the end judgement and read the recognition result signal that is located at same rail inboard arrives sensor along the immigration direction, then send the locomotive arriving signal, judge then whether two freight car wheel spacing identifications once were all low level with the output of sensor: if once be all low level, then recognition result is a lorry; If be not all low level, then recognition result is a passenger vehicle, finishes to differentiate;
(2.2). gap, compartment scale of notation
(2.2.1). judge that being preset in gap, compartment number on the rail along train immigration direction adds up in the Magnetic Sensor at interval two ends and promptly to begin counting along one of the immigration direction and whether detect the train arriving signal with Magnetic Sensor;
(2.2.2). if detected the train arriving signal, then with lay respectively at rail both sides above-mentioned interval in can only make detect light from the gap, boxcar and the photoemitter that can not from the gap of compartment and passenger car, pass through and accordingly receptor count gap, the compartment number that passes through;
(2.2.3). judge being positioned at above-mentioned interval counts whether sent the train arriving signal with Magnetic Sensor away from the end of the other end of immigration direction;
(2.2.4). if received the train arriving signal, then send the instruction that finishes gap, compartment counting, stop counting operation;
(2.2.5). judge that gap, compartment number is whether greater than pre-set threshold:, then differentiate the result and be lorry if be greater than or equal to threshold value; If less than threshold value, then be passenger vehicle;
(2.2.6). stop differentiating operation.
3. the train radiation safety interlock system of cobalt 60 goods train inspection usefulness, it is characterized in that, it contains: the Programmable Logic Controller substation, the Programmable Logic Controller main website and the main control console guidance panel that link to each other respectively through network and Programmable Logic Controller substation, the industrial computer that links to each other with the Programmable Logic Controller main website through network, the device of the distinguishing passenger train from goods train by betwene-carriage gap counting method that links to each other with the Programmable Logic Controller substation and between-wheel spacing method are discerned the device of passenger train lorry respectively, successively through electromagnetic driver, relay and the shutter that is controlled by the Programmable Logic Controller substation, link to each other with Programmable Logic Controller substation input end detect the shutter open and-shut mode near switch, through the magnetic sensor signal treatment circuit and the detection locomotive that links to each other with the input end of Programmable Logic Controller substation arrives and to allow to change up a position uses change up door status sensor and lay respectively at the two ends of sense channel on the rail and four train vibration influence direction Magnetic Sensors that link to each other with the input end of Programmable Logic Controller substation through the magnetic sensor signal treatment circuit.
4. the train radiation safety interlock system of cobalt 60 goods train inspection usefulness according to claim 3, it is characterized in that, the device of described between-wheel spacing method identification passenger train lorry, it contains: its mounting center that is provided with successively along any rail inboard of train immigration direction is apart from two freight car wheel spacing identification Magnetic Sensors that equal rake of wagons wheel center distance, be used to shield locomotive and send the Magnetic Sensor that begins identification signal, judge whether locomotive arrives and send end and judge, read the Magnetic Sensor of recognition result signal, mouth is discerned the magnetic sensor signal treatment circuit that links to each other with the Magnetic Sensor mouth with two freight car wheel spacings, another magnetic sensor signal treatment circuit that input end links to each other with the mouth with locomotive arrival Magnetic Sensor of locomotive shielding Magnetic Sensor respectively, input end link to each other with Lu Gongsi the mouth in above-mentioned two magnetic sensor signal places respectively Programmable Logic Controller, the voltage follower that described two magnetic sensor signal treatment circuits contain the module GXC9801 that is useful on conversion Magnetic Sensor output potential separately and each personal chip LM324 of linking to each other with above-mentioned GXC9801 module mouth constitutes.
5. the train radiation safety interlock system of cobalt 60 goods train inspection usefulness according to claim 3, it is characterized in that, the device of described distinguishing passenger train from goods train by betwene-carriage gap counting method, it contains: two be installed on the inboard and distance therebetween of rail according to gap, the compartment number of actual needs statistics fixed Magnetic Sensor, photoemitter and receiver, between above-mentioned two Magnetic Sensors, be arranged in the rail outside, detect light satisfy can only be from the gap, boxcar by and can not from the gap of compartment and passenger car, pass through, the magnetic sensor signal treatment circuit that input end links to each other with above-mentioned two Magnetic Sensor mouths, the Programmable Logic Controller that input end and above-mentioned magnetic sensor signal treatment circuit mouth link to each other with above-mentioned photelectric receiver mouth, the read-out and the power supply that link to each other with above-mentioned Programmable Logic Controller, described magnetic sensor signal treatment circuit are to be made of two voltage followers that GXC9801 module and each personal chip LM324 of linking to each other with its mouth constitute.
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| CNB02120800XA CN1164450C (en) | 2002-05-31 | 2002-05-31 | High-safety Co-60 radiating interlock method and system for inspecting radiation of goods train |
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| CNB02120800XA CN1164450C (en) | 2002-05-31 | 2002-05-31 | High-safety Co-60 radiating interlock method and system for inspecting radiation of goods train |
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| RO121293B1 (en) | 2004-09-30 | 2007-02-28 | Mb Telecom Ltd. - S.R.L. | Non-intrusive control system and method |
| CN101162209B (en) * | 2006-10-13 | 2010-08-25 | 清华大学 | Equipment and method for quick-speed image-forming checking mobile target |
| CN101231253B (en) * | 2007-01-22 | 2011-10-05 | 同方威视技术股份有限公司 | Active and passive combination scanning method and device |
| CN101468651B (en) | 2007-12-27 | 2011-03-23 | 同方威视技术股份有限公司 | Train information automatic recognition method and system |
| CN102815320B (en) * | 2011-06-12 | 2016-03-30 | 周利荣 | One realizes the intelligentized method of wheel detection type intelligent track circuit |
| CN102565450A (en) * | 2012-02-13 | 2012-07-11 | 山西太钢不锈钢股份有限公司 | Method for detecting speed and coming direction of motor trolley |
| CN103661487A (en) * | 2012-09-26 | 2014-03-26 | 同方威视技术股份有限公司 | Train security check system and method with improved radiation protection function |
| CN113386826A (en) * | 2020-03-13 | 2021-09-14 | 株洲中车时代电气股份有限公司 | System and method for detecting position of locomotive in train |
| CN117115562B (en) * | 2023-10-18 | 2023-12-19 | 山西阳光三极科技股份有限公司 | Inbound railway freight train carriage counting method based on deep learning |
-
2002
- 2002-05-31 CN CNB02120800XA patent/CN1164450C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162205B (en) * | 2006-10-13 | 2010-09-01 | 同方威视技术股份有限公司 | Equipment for checking movable target and preventing collision method |
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