CN100999221A - Multipoint location system for rail vehicle go and back running - Google Patents
Multipoint location system for rail vehicle go and back running Download PDFInfo
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- CN100999221A CN100999221A CN 200710078123 CN200710078123A CN100999221A CN 100999221 A CN100999221 A CN 100999221A CN 200710078123 CN200710078123 CN 200710078123 CN 200710078123 A CN200710078123 A CN 200710078123A CN 100999221 A CN100999221 A CN 100999221A
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Abstract
The present invention discloses a rail car round-trip traveling multipoint location system. It is formed from rail car, CPU processor, rail car sensing device, frequency conversion speed regulator and rail car traction motor. Said rail car sensing device is equipped with signal output line, said signal output line is connected with CPU processor, the output end of CPU processor is connected with the described frequency conversion speed regulator, and the output end of the described frequency conversion speed regulator is connected with said rail car traction motor. Besides, said invention also provides its working principle and concrete operation method.
Description
Technical field
The invention belongs to the rail vehicle technical field, specifically, relate in particular to a kind of multipoint location system for rail vehicle go and back running.
Background technology
The guideway vehicle of field of traffic comprises railway, light rail, subway etc.; The guideway vehicle of industrial circle comprises the guideway vehicle of various material handlings, as driving, gantry crane, elevator winch etc. and the various Working vehicles that orbit, as pusher machine, coke guide, coke quenching car and the charging car etc. of coking industry.
In existing rail vehicle location technology, be that operating personal relies on vision and experience to determine whether rail vehicle puts in place and centering whether mostly, tend to occur lagging behind or specifying the parking stall in advance, cause frequent manipulation to make controller, the frequent start-stop of retarder, hydraulic contracting frequently open, safety reduction, the service life of power plant are shortened.
In the rail vehicle location technology that retrieves at present by rail vehicle, the CPU treater, the rail vehicle sensing device, variable-frequency governor and rail vehicle traction electric machine are formed, rail vehicle sensing device output two paths of signals is given the CPU treater, CPU treater control variable-frequency governor, the operation of variable-frequency governor control traction electric machine, the rail vehicle sensing device is divided into photoelectric detecting technologies such as infrared coding location detecting technology, RFID technology, inductive wireless technology.
Wherein the infrared coding location detecting technology is the mode that adopts nonadjustable signal to combine with movable scale:
Nonadjustable signal: nonadjustable signal length is 1 meter, and 10 infrared emission windows are arranged on the nonadjustable signal, and the spacing a of each infrared emission window is 100mm, and an infrared diode is arranged in each infrared emission window.Per 30 meter amperes are adorned a power supply box.Connecting cable between nonadjustable signal.
Movable scale (mobile scale): length is 100mm, and 10 infrared receiving windows are arranged on the movable scale, and the spacing of each infrared receiving window is 10mm.
The infrared diode of nonadjustable signal constantly sends the coded modulation infrared light that comprises the self-position signal.Movable scale is installed on the locomotive, and movable scale constantly receives the infrared position signal that nonadjustable signal sends in moving process, thereby obtains the absolute address of locomotive.Movable scale uploads to the CPU treater to address signal.
Unit: mm
Shown in mobile coding and regular coding conversion table: the theoretical value of infrared coding location detecting technology accuracy of detection is 10mm.
The technical characterstic and the shortcoming of infrared coding location detecting technology are as follows:
1, nonadjustable signal is to adopt the series system power supply, and per 30 nonadjustable signals need be equipped with a power supply box, and its power supply mode complexity is unreliable.
2, in every nonadjustable signal independently Single Chip Microcomputer (SCM) system is arranged, the interface of numerous series systems and solder joint can reduce system reliability greatly.If the reliability of each link is 0.999, calculate by 1000 links, the reliability of series system then has only 0.37.
3, the initialization of infrared coding method for detecting position is very complicated, needs to adopt intensity detector that each infrared diode of each nonadjustable signal is carried out intensity detection; Adopt the code detection instrument that nonadjustable signal is encoded; Adopt location detector that movable scale is demarcated, install.
4, Single Chip Microcomputer (SCM) system in the nonadjustable signal and electric power system are subjected to electromagnetism easily, as interference such as frequency converter high-frequency impulse, motor-field, the sparkings of three-phase alternating-current supply brush.
5, require every two weeks to month to clean the infrared emission window of a nonadjustable signal, work capacity is huge.
6, nonadjustable signal and fixing mark light-emitting diode etc. exist the angular error influence of installation error, particularly diode installation big, scattering error; The infrared coding location detecting technology adopts infrared light to transmit coded message, is subjected to ambient infrared light easily and disturbs.Therefore the precision of infrared coding position probing is difficult to reach 10mm, and control accuracy is just lower.
7, because the infrared coding method for detecting position can only detection position information and can not detection speed information, so it can not accomplish speed control preferably, thereby performance is not fully up to expectations when being used for automatic centering.
The Microwave Measurement technology is that a plurality of electronic tags are installed in orbit, each is representing the physical location of technology respectively, the position of technology can be differentiated according to the 32b sequence number of electronic tag, when electronic tag that the locomotive approach is buried underground, reader is read the geocoding of this label, thereby determine the position of locomotive, main control computer pushes away the running state arrival assigned address of rail vehicle according to the Data Control of electronic tag.
The accuracy of detection of Microwave Measurement technology is not high, because certain casual emissivity that microwave has, even to its travel direction restriction, the accuracy of detection that is reached also is far longer than 1cm, is difficult to reach the positioning requirements of three big locomotives, generally is used for the coarse positioning of locomotive.
Inductive wireless technology is that flat cable is buried underground in orbit, links centralized control room by communication cable, and induction antenna is installed on the locomotive, and antenna is measured the rail vehicle position from the about 20cm of induction cable with induction mode.
But inductive wireless technology is disturbed by the various electromagnetic signals of production scene easily, causes photoelectric detection system output that the distortion distortion takes place, and makes system's malfunction or causes industrial accident.
Existing rail vehicle walking location technology has following deficiency:
1, feedway or receiving device thereby the displacement or the skew that cause former because of mechanical shock etc. causes receiving device not receive photosignal by failure-free, and can not produce electric signal or produce wrong signal.
2,, influenced by production on-site environment and cause photoelectric detection system not work by failure-free because of electrooptical device is installed in the production scene.
3, the various electromagnetic interference sources of production scene are big to the interference that detecting device produces, and cause photoelectric detection system output that the distortion distortion takes place, and make system's malfunction or cause industrial accident.
4, in locomotive operation, can cause photoelectric detection system to produce erroneous judgement, can not correctly detect the running state of rail vehicle because of skidding.
5, the rail vehicle position can only be detected, the current running velocity of rail vehicle can't be reflected in real time.
6, along with the length of track, the corresponding increase of installation cost, directional error also can accumulate.
7, be not suitable for multipoint positioning.
Summary of the invention
For solving above technical matters, the object of the present invention is to provide and a kind ofly can reflect the accurate position of rail vehicle in real time, the multipoint location system for rail vehicle go and back running of the control rail vehicle speed of travel.
Technical scheme of the present invention is as follows: a kind of multipoint location system for rail vehicle go and back running, by rail vehicle, the CPU treater, the rail vehicle sensing device, variable-frequency governor and rail vehicle traction electric machine are formed, and wherein, described rail vehicle is connected with described rail vehicle sensing device, this rail vehicle sensing device is provided with two output lines and is connected with the input end of described CPU treater, to described CPU treater output A, photosignal that B two-way sequential is different; The mouth of described CPU treater connects the input end of described variable-frequency governor, and the mouth of described variable-frequency governor connects the input end of described rail vehicle traction electric machine, and this rail vehicle traction electric machine draws described vehicle track running, and its key is:
Described CPU treater inside is provided with round trip identification mechanism, detent mechanism and storing mechanism, wherein the mouth of round trip identification mechanism is connected with the input end of described detent mechanism, wherein said round trip identification mechanism receives two output lines of described sensing device, discern the time difference order of described A, B two-way photosignal, and flowing to described detent mechanism, described detent mechanism connects described storing mechanism; Described detent mechanism also is provided with control signal output ends and connects described variable-frequency governor;
Set in advance in the described storing mechanism rail vehicle each site distance from command value n; The distance value of each braking section between each website: cruising phase distance value δ, stopping element distance value δ
0, low speed segment distance value δ
1
Described detent mechanism is provided with:
Be used for initialized mechanism;
Be used to proofread and correct the mechanism of currency; Directly obtain the rail vehicle that sets in advance in the described storing mechanism each site distance from command value n;
The mechanism that is used for scan instruction; Obtain the rail vehicle log-on message;
Be used to obtain the mechanism of rail vehicle direction of travel; Directly read the data of the rail vehicle direction of travel that described round trip identification mechanism sends,
Be used to control the device of the rail vehicle speed of travel;
The mechanism that is used to stop; Determine that described rail vehicle stops;
Return the described mechanism that currency is proofreaied and correct that is used for;
The different speed control signal of described detent mechanism output is given described variable-frequency governor, and described variable-frequency governor is realized the speed control to described rail vehicle to described rail vehicle traction electric machine output signal, and determines this rail vehicle stop position.
Described rail vehicle sensing device comprises main revolving wheel and coder, and the stator of described rotary encoder captives joint with described main revolving wheel coaxial inner conductor, and the rotor of described rotary encoder is captiveed joint with described main revolving wheel; Coder is exported described A, B two-way photosignal.
Described round trip identification mechanism receives the difference of injection time of described A, B two-way photosignal, judges the hand of rotation of described coder, identifies the direction of travel of described rail vehicle, and this round trip identification mechanism is provided with:
Be used to judge that A road signal equals 1 mechanism that denys; A road signal is not equal to 1, then returns describedly to be used to judge that A road signal equals 1 mechanism that denys and continues to judge; Equal 1, then carry out:
Be used to judge that B road signal equals 1 mechanism that denys; B road signal is not equal to 1, then returns describedly to be used to judge that B road signal equals 1 mechanism that denys and continues to judge; Equal 1, then carry out:
Be used to judge that A road signal equals 0 mechanism that denys; A road signal is not equal to 0, then returns describedly to be used to judge that A road signal equals 0 mechanism that denys and continues to judge; Equal 0, then carry out:
Be used to judge that B road signal equals 1 mechanism that denys;
Be not equal to 1, then execution is used for the mechanism that rail vehicle drives in the wrong direction,
Equal 1, then execution is used for the mechanism that rail vehicle is just being gone.
The wherein said device that is used to control the rail vehicle speed of travel comprises:
Be used to obtain the mechanism of rail vehicle remainder stroke; Obtain the current run-length data of described rail vehicle, and with described storing mechanism in command value n relatively, the absolute value m of the two difference is used for judging the particular location of described rail vehicle;
Be used to judge whether rail vehicle arrives the mechanism of cruising phase; Cruising phase distance value δ in described absolute value m and the storing mechanism compares, and absolute value m does not then arrive cruising phase greater than cruising phase distance value δ, otherwise then arrives cruising phase;
Do not arrive cruising phase, then carry out the mechanism that is used to judge whether to arrive low speed segment, the no show low speed segment is then carried out the mechanism that is used to run at high speed; Arrive low speed segment and then carried out the mechanism that is used for low speed driving;
Low speed segment distance value δ in described absolute value m and the storing mechanism
1Relatively, absolute value m is greater than low speed segment distance value δ
1, then do not arrive low speed segment, otherwise then arrive low speed segment;
And return and carry out the described mechanism that is used to obtain the rail vehicle remainder stroke;
Arrived cruising phase, then execution is used for the mechanism that rail vehicle slides;
Be used to judge whether to arrive the mechanism of stopping element, the stopping element distance value δ in described absolute value m and the storing mechanism
0Relatively;
The no show stopping element then returns and carries out the described mechanism that rail vehicle slides that is used for;
Arrived stopping element, then carried out:
The mechanism that is used for the rail vehicle brake.
The current run-length data of described rail vehicle is determined by the pulse information accumulated value of described coder output, described detent mechanism counts the accumulative total of photosignal pulse in the described coder, and distance value δ, the δ of each braking section between each website that sets in advance in the described storing mechanism
0, δ
1Relatively, identify described rail vehicle and the distance of working as the distance objective website,
When distance was far away, the control rail vehicle was run at high speed;
During close together, control rail vehicle low speed driving.
Described coder internal fixation has two photosensitive receiving tubes, and two photosensitive receiving tubes connect two output lines, to described CPU treater output A, photosignal that B two-way sequential is different.
The described main revolving wheel that lock is stated in the rail vehicle sensing device is the wheel of described rail vehicle.
Described main revolving wheel in the described rail vehicle sensing device rolls with track and is connected, and is connected with tie-beam on the center shaft of this main revolving wheel, and this tie-beam is connected with the bottom surface strand of described rail vehicle.
A light deflector is set in that the track of rail vehicle starting point is other, to be provided with infrared pickoff corresponding with described light deflector for rail vehicle again, and the signal output part of this infrared pickoff is connected with the input end of described CPU treater.
After rail vehicle was got back to starting point, the infrared light that infrared pickoff sends was reflected by light deflector, and infrared pickoff output reset signal is given described CPU treater, and cumulative errors are eliminated in all data zero clearings that the CPU treater will read from described coder.
When rail vehicle is walked, coder is input to the travel distance of main revolving wheel the numeration module of CPU treater by the numeration impulse singla, to determine rail vehicle present located actual position, the CPU treater is according to the difference of rail vehicle current location, rely on variable-frequency governor that the rotating speed of rail vehicle traction electric machine is controlled, realization realizes the accurate stop of rail vehicle at each point station the high, low speed and the brake control of rail vehicle.
The invention has the beneficial effects as follows:
Antijamming capability is strong, can in time reflect the accurate position of rail vehicle, the speed of travel of control rail vehicle:
1, the straight-line distance location that will grow distance changes into a less rail vehicle sensing device of diameter and locatees, and makes the location more accurate; Quantity, the position of point are unrestricted, can increase and decrease arbitrarily and change, and be easy to use, simple in structure, reliable
2, have wide range of applications, antijamming capability is strong, even also can not influence result of use at the harsh environment of high temperature strong corrosion;
3, accuracy of detection height can reach ± 1mm.
4, accuracy of positioning height can reach ± 5mm.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of rail vehicle sensing device;
Fig. 3 is rail vehicle and scheme of installation of the present invention;
Fig. 4 is the FB(flow block) of detent mechanism;
Fig. 5 is the FB(flow block) of round trip identification mechanism;
Fig. 6 is the device FB(flow block) that is used to control the rail vehicle speed of travel;
Fig. 7 is a coder internal work schematic diagram;
Fig. 8 is 7A, 7B photosensitive receiving tube signal timing diagram.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4,
A kind of multipoint location system for rail vehicle go and back running, by rail vehicle, CPU treater 10, rail vehicle sensing device 11, variable-frequency governor 12 and rail vehicle traction electric machine 13 are formed, and wherein, described rail vehicle is connected with described rail vehicle sensing device 11, this rail vehicle sensing device 11 is provided with two output lines and is connected with the input end of described CPU treater 10, to described CPU treater 10 output A, photosignal that B two-way sequential is different; The mouth of described CPU treater 10 connects the input end of described variable-frequency governor 12, and the mouth of described variable-frequency governor 12 connects the input end of described rail vehicle traction electric machine 13, the described vehicle track running of these rail vehicle traction electric machine 13 tractions, and its key is:
Described CPU treater 10 inside are provided with round trip identification mechanism 10a, detent mechanism 10b and storing mechanism 10c, wherein the mouth of round trip identification mechanism 10a is connected with the input end of described detent mechanism 10b, wherein said round trip identification mechanism 10a receives two output lines of described sensing device 11, discern the time difference order of described A, B two-way photosignal, and flowing to described detent mechanism 10b, described detent mechanism 10b connects described storing mechanism 10c; Described detent mechanism 10b also is provided with control signal output ends and connects described variable-frequency governor 12;
Set in advance in the described storing mechanism 10c rail vehicle each site distance from command value n; The distance value of each braking section between each website: cruising phase distance value δ, stopping element distance value δ
0, low speed segment distance value δ
1
Described detent mechanism 10b is provided with:
Be used for initialized mechanism;
Be used to proofread and correct the mechanism of currency; Directly obtain the rail vehicle that sets in advance in the described storing mechanism each site distance from command value n;
The mechanism that is used for scan instruction; Obtain the rail vehicle log-on message;
Be used to obtain the mechanism of rail vehicle direction of travel; Directly read the data of the rail vehicle direction of travel that described round trip identification mechanism sends,
Be used to control the device of the rail vehicle speed of travel;
The mechanism that is used to stop; Determine that described rail vehicle stops;
Return the described mechanism that currency is proofreaied and correct that is used for;
The different speed control signal of described detent mechanism 10b output is given described variable-frequency governor 12, and described variable-frequency governor 12 is realized the speed control to described rail vehicle to described rail vehicle traction electric machine 13 output signals, and determines this rail vehicle stop position.
Described detent mechanism 10b inside is provided with electronic timer, calculates the signal output frequency of described stroke identification mechanism 10a.
The model of described CPU treater 10 is to be A3ACPU, and described coder 7 adopts the AUTONIC incremental encoder; Described variable-frequency governor 12 is prior aries.
Main revolving wheel 6 rotates a circle, coder 7 sends the pulse of respective numbers, described round trip identification mechanism 10a is just identifying, retrograde pulse, described detent mechanism 10b is according to the girth of pulse accumulation value and described main revolving wheel 6, calculate the stroke of described rail vehicle, simultaneously, the measuring and calculating of electronic timer paired pulses frequency detects the current running velocity of rail vehicle.
Described rail vehicle sensing device 11 comprises main revolving wheel 6 and coder 7, and the stator of described rotary encoder 7 captives joint with described main revolving wheel 6 coaxial inner conductors, and the rotor of described rotary encoder 7 is captiveed joint with described main revolving wheel 6; The described A of coder 7 outputs, B two-way photosignal.
As shown in Figure 5: described round trip identification mechanism 10a receives the difference of injection time of described A, B two-way photosignal, judges the hand of rotation of described coder 7, identifies the direction of travel of described rail vehicle, and this round trip identification mechanism 10a is provided with:
Be used to judge that A road signal equals 1 mechanism that denys; A road signal is not equal to 1, then returns describedly to be used to judge that A road signal equals 1 mechanism that denys and continues to judge; Equal 1, then carry out:
Be used to judge that B road signal equals 1 mechanism that denys; B road signal is not equal to 1, then returns describedly to be used to judge that B road signal equals 1 mechanism that denys and continues to judge; Equal 1, then carry out:
Be used to judge that A road signal equals 0 mechanism that denys; A road signal is not equal to 0, then returns describedly to be used to judge that A road signal equals 0 mechanism that denys and continues to judge; Equal 0, then carry out:
Be used to judge that B road signal equals 1 mechanism that denys;
Be not equal to 1, then execution is used for the mechanism that rail vehicle drives in the wrong direction,
Equal 1, then execution is used for the mechanism that rail vehicle is just being gone.
As shown in Figure 6: the wherein said device that is used to control the rail vehicle speed of travel comprises:
Be used to obtain the mechanism of rail vehicle remainder stroke; Obtain the current run-length data of described rail vehicle, and with described storing mechanism in command value n relatively, the absolute value m of the two difference is used for judging the particular location of described rail vehicle;
Be used to judge whether rail vehicle arrives the mechanism of cruising phase; Cruising phase distance value δ in described absolute value m and the storing mechanism compares, and absolute value m does not then arrive cruising phase greater than cruising phase distance value δ, otherwise then arrives cruising phase;
Do not arrive cruising phase, then carry out the mechanism that is used to judge whether to arrive low speed segment, the no show low speed segment is then carried out the mechanism that is used to run at high speed; Arrive low speed segment and then carried out the mechanism that is used for low speed driving;
Low speed segment distance value δ in described absolute value m and the storing mechanism
1Relatively, absolute value m is greater than low speed segment distance value δ
1, then do not arrive low speed segment, otherwise then arrive low speed segment;
And return and carry out the described mechanism that is used to obtain the rail vehicle remainder stroke;
Arrived cruising phase, then execution is used for the mechanism that rail vehicle slides;
Be used to judge whether to arrive the mechanism of stopping element, the stopping element distance value δ in described absolute value m and the storing mechanism
0Relatively;
The current run-length data of described rail vehicle is determined by the pulse information accumulated value of described coder output, described detent mechanism counts the accumulative total of photosignal pulse in the described coder, and distance value δ, the δ of each braking section between each website that sets in advance in the described storing mechanism
0, δ
1Relatively, identify described rail vehicle and the distance of working as the distance objective website,
When distance was far away, the control rail vehicle was run at high speed;
During close together, control rail vehicle low speed driving.
As Fig. 7, shown in Figure 8: as described in coder 7 internal fixation two photosensitive receiving tube 7A, 7B are arranged, two photosensitive receiving tube 7A, 7B connect two output lines, to described CPU treater 10 output A, photosignal that B two-way sequential is different.
A light deflector 14 is set in that the track of rail vehicle starting point is other, to be provided with infrared pickoff corresponding with described light deflector 14 for rail vehicle again, and the signal output part of this infrared pickoff is connected with the input end of described CPU treater 10.
After rail vehicle is got back to starting point, infrared pickoff is reflected by light deflector as the infrared light that the zero-point positioning sensor sends, infrared pickoff output reset signal is given described CPU treater 10, and cumulative errors are eliminated in all data zero clearings that CPU treater 10 will read from described coder 7.The zero-point positioning sensor can also be magnetoelectricity or opto-electronic pickup.
When rail vehicle is walked, coder is input to the travel distance of main revolving wheel the numeration module of CPU treater by the numeration impulse singla, to determine rail vehicle present located actual position, the CPU treater is according to the difference of rail vehicle current location, rely on variable-frequency governor that the rotating speed of rail vehicle traction electric machine is controlled, realization realizes the accurate stop of rail vehicle at each point station the high, low speed and the brake control of rail vehicle.
The present embodiment principle of work is consistent with embodiment 1, and its difference is:
Described main revolving wheel 6 in the described rail vehicle sensing device 11 is the wheel of described rail vehicle.
Embodiment 2
As shown in Figure 2: the described main revolving wheel 6 in the described rail vehicle sensing device 11 rolls with track and is connected, and is connected with tie-beam on the center shaft of this main revolving wheel 6, and this tie-beam is connected with the bottom surface strand of described rail vehicle.
The present invention in use, coder 7 is connected with the signal input part of CPU treater 10, when rail vehicle is walked, coder is input to the travel distance of main revolving wheel the numeration module of CPU treater 10 by the numeration impulse singla, to determine rail vehicle present located actual position, CPU treater 10 is according to the difference of rail vehicle current location, rely on the rotating speed of 12 pairs of rail vehicle traction electric machines 13 of variable-frequency governor to control, high, low speed and brake control to rail vehicle realize the accurate stop of rail vehicle at each point station.After rail vehicle was got back to starting point, cumulative errors were eliminated in all data zero clearings that CPU treater 10 just reads from described coder 7.
Claims (8)
1, a kind of multipoint location system for rail vehicle go and back running, by rail vehicle, CPU treater (10), rail vehicle sensing device (11), variable-frequency governor (12) and rail vehicle traction electric machine (13) are formed, and wherein, described rail vehicle is connected with described rail vehicle sensing device (11), this rail vehicle sensing device (11) is provided with two output lines and is connected with the input end of described CPU treater (10), to described CPU treater (10) output A, photosignal that B two-way sequential is different; The mouth of described CPU treater (10) connects the input end of described variable-frequency governor (12), the mouth of described variable-frequency governor (12) connects the input end of described rail vehicle traction electric machine (13), this rail vehicle traction electric machine (13) draws described vehicle track running, it is characterized in that:
Described CPU treater (10) inside is provided with round trip identification mechanism (10a), detent mechanism (10b) and storing mechanism (10c), wherein the mouth of round trip identification mechanism (10a) is connected with the input end of described detent mechanism (10b), wherein said round trip identification mechanism (10a) receives two output lines of described sensing device (11), discern the time difference order of described A, B two-way photosignal, and flowing to described detent mechanism (10b), described detent mechanism (10b) connects described storing mechanism (10c); Described detent mechanism (10b) also is provided with control signal output ends and connects described variable-frequency governor (12);
Set in advance in the described storing mechanism (10c) rail vehicle each site distance from command value n; The distance value of each braking section between each website: cruising phase distance value δ, stopping element distance value δ
0, low speed segment distance value δ
1
Described detent mechanism (10b) is provided with:
Be used for initialized mechanism;
Be used to proofread and correct the mechanism of currency
The mechanism that is used for scan instruction;
Be used to obtain the mechanism of rail vehicle direction of travel;
Be used to control the device of the rail vehicle speed of travel;
The mechanism that is used to stop;
Return the described mechanism that currency is proofreaied and correct that is used for;
The different speed control signal of described detent mechanism (10b) output is given described variable-frequency governor (12), described variable-frequency governor (12) is to described rail vehicle traction electric machine (13) output signal, realization is to the speed control of described rail vehicle, and definite this rail vehicle stop position.
2, multipoint location system for rail vehicle go and back running according to claim 1 is characterized in that:
Described rail vehicle sensing device (11) comprises main revolving wheel (6) and coder (7), and the stator of described rotary encoder (7) is captiveed joint with described main revolving wheel (6) coaxial inner conductor, and the rotor of described rotary encoder (7) is captiveed joint with described main revolving wheel (6); Coder (7) is exported described A, B two-way photosignal.
3, multipoint location system for rail vehicle go and back running according to claim 1 and 2 is characterized in that:
Described round trip identification mechanism (10a) receives the difference of injection time of described A, B two-way photosignal, judges the hand of rotation of described coder (7), identifies the direction of travel of described rail vehicle, and this round trip identification mechanism (10a) is provided with:
Be used to judge that A road signal equals 1 mechanism that denys; A road signal is not equal to 1, then returns describedly to be used to judge that A road signal equals 1 mechanism that denys and continues to judge; Equal 1, then carry out:
Be used to judge that B road signal equals 1 mechanism that denys; B road signal is not equal to 1, then returns describedly to be used to judge that B road signal equals 1 mechanism that denys and continues to judge; Equal 1, then carry out:
Be used to judge that A road signal equals 0 mechanism that denys; A road signal is not equal to 0, then returns describedly to be used to judge that A road signal equals 0 mechanism that denys and continues to judge; Equal 0, then carry out:
Be used to judge that B road signal equals 1 mechanism that denys;
Be not equal to 1, then execution is used for the mechanism that rail vehicle drives in the wrong direction,
Equal 1, then execution is used for the mechanism that rail vehicle is just being gone.
4, multipoint location system for rail vehicle go and back running according to claim 1 is characterized in that:
The wherein said device that is used to control the rail vehicle speed of travel comprises:
Be used to obtain the mechanism of rail vehicle remainder stroke;
Be used to judge whether rail vehicle arrives the mechanism of cruising phase;
Do not arrive cruising phase, then carry out the mechanism that is used to judge whether to arrive low speed segment, the no show low speed segment is then carried out the mechanism that is used to run at high speed; Arrive low speed segment and then carried out the mechanism that is used for low speed driving;
And return and carry out the described mechanism that is used to obtain the rail vehicle remainder stroke;
Arrived cruising phase, then execution is used for the mechanism that rail vehicle slides;
Be used to judge whether to arrive the mechanism of stopping element;
The no show stopping element then returns and carries out the described mechanism that rail vehicle slides that is used for;
Arrived stopping element, then carried out:
The mechanism that is used for the rail vehicle brake.
5, multipoint location system for rail vehicle go and back running according to claim 1 and 2 is characterized in that:
Described coder (7) internal fixation has two photosensitive receiving tubes (7A, 7B), and two photosensitive receiving tubes (7A, 7B) connect two output lines, to described CPU treater (10) output A, photosignal that B two-way sequential is different.
6, multipoint location system for rail vehicle go and back running according to claim 1 and 2 is characterized in that:
Described main revolving wheel (6) in the described rail vehicle sensing device (11) is the wheel of described rail vehicle.
7, multipoint location system for rail vehicle go and back running according to claim 1 and 2 is characterized in that:
Described main revolving wheel (6) in the described rail vehicle sensing device (11) rolls with track and is connected, and is connected with tie-beam on the center shaft of this main revolving wheel (6), and this tie-beam is connected with the bottom surface strand of described rail vehicle.
8, multipoint location system for rail vehicle go and back running according to claim 1 is characterized in that:
At the other light deflector (14) that is provided with of the track of rail vehicle starting point, to be provided with infrared pickoff corresponding with described light deflector (14) for rail vehicle again, and the signal output part of this infrared pickoff is connected with the input end of described CPU treater (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100781237A CN100503333C (en) | 2007-01-16 | 2007-01-16 | Multipoint location system for rail vehicle go and back running |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100781237A CN100503333C (en) | 2007-01-16 | 2007-01-16 | Multipoint location system for rail vehicle go and back running |
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| Publication Number | Publication Date |
|---|---|
| CN100999221A true CN100999221A (en) | 2007-07-18 |
| CN100503333C CN100503333C (en) | 2009-06-24 |
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| CNB2007100781237A Expired - Fee Related CN100503333C (en) | 2007-01-16 | 2007-01-16 | Multipoint location system for rail vehicle go and back running |
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| CN101378208B (en) * | 2008-08-30 | 2010-04-14 | 江苏天奇物流系统工程股份有限公司 | Control system for rail type conveyor |
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| CN102385385A (en) * | 2011-09-14 | 2012-03-21 | 深圳市远望淦拓科技有限公司 | Method and system for controlling and tracking speed of multi-freedom degree track trolley |
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| CN103235594B (en) * | 2013-04-02 | 2015-05-13 | 山东省科学院海洋仪器仪表研究所 | Computing method of traction position correction of traction control system |
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| CN103303652B (en) * | 2013-05-31 | 2016-02-24 | 嘉兴市一建机械制造有限公司 | A kind of stocker |
| CN103630067A (en) * | 2013-11-23 | 2014-03-12 | 清华大学 | Mileage measuring device for inner detector of oil and gas pipeline defects |
| CN103630067B (en) * | 2013-11-23 | 2016-04-13 | 清华大学 | Oil and gas pipes defect internal detector mileage measurement mechanism |
| CN104803166A (en) * | 2015-03-18 | 2015-07-29 | 东莞市维迅机械科技有限公司 | Crane speed flexible control system and method based on incremental coding |
| CN109318946A (en) * | 2017-12-20 | 2019-02-12 | 中车长春轨道客车股份有限公司 | A kind of determination method, system and the relevant apparatus of train real time running speed |
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| CN113613983B (en) * | 2019-03-20 | 2023-08-04 | 索尤若驱动有限及两合公司 | Rail system with a rail, a coding system and a moving part movable along the rail, and method for operating a rail system |
| CN110617976A (en) * | 2019-07-02 | 2019-12-27 | 山东公信安全科技有限公司 | Braking distance detection device and detection method for rail electric locomotive |
| CN110617976B (en) * | 2019-07-02 | 2021-04-02 | 中检集团公信安全科技有限公司 | Braking distance detection device and detection method for rail electric locomotive |
| CN112673937A (en) * | 2019-10-18 | 2021-04-20 | 溆浦君益农业发展有限公司 | Agricultural equipment of watering |
| CN113799848A (en) * | 2020-06-17 | 2021-12-17 | 宝山钢铁股份有限公司 | Autonomous operation control method and device for internal combustion hydraulic transmission locomotive |
| CN113799848B (en) * | 2020-06-17 | 2023-09-12 | 宝山钢铁股份有限公司 | Autonomous operation control method and device for internal combustion hydraulic transmission locomotive |
| CN112130168B (en) * | 2020-09-11 | 2023-04-14 | 北京埃福瑞科技有限公司 | Train position state detection method and system for turn-back control |
| CN112130168A (en) * | 2020-09-11 | 2020-12-25 | 北京埃福瑞科技有限公司 | Train position state detection method and system for turn-back control |
| CN112859850A (en) * | 2021-01-08 | 2021-05-28 | 京东数科海益信息科技有限公司 | Motion control method and motion control device |
| CN113359632A (en) * | 2021-06-09 | 2021-09-07 | 江苏徐工工程机械研究院有限公司 | Multi-process material conveying system and control method |
| CN113359632B (en) * | 2021-06-09 | 2023-11-07 | 江苏徐工工程机械研究院有限公司 | Multi-working-position material conveying system and control method |
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