CN200969115Y - Rail vehicle roundtrip walking multi-point positioning apparatus - Google Patents
Rail vehicle roundtrip walking multi-point positioning apparatus Download PDFInfo
- Publication number
- CN200969115Y CN200969115Y CN 200620111695 CN200620111695U CN200969115Y CN 200969115 Y CN200969115 Y CN 200969115Y CN 200620111695 CN200620111695 CN 200620111695 CN 200620111695 U CN200620111695 U CN 200620111695U CN 200969115 Y CN200969115 Y CN 200969115Y
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- railcar
- bearing
- scrambler
- cpu processor
- rail vehicle
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Abstract
The utility model discloses a railcar back and forth walking multipoint position device, including a CPU processor which is arranged in the railcar carriage, the railcar is rollingly connected with a track, the bottom surface of the railcar carriage is provided with a railcar sensing device, the railcar sensing device is rollingly connected with the track and provided with two pieces of signal output lines which are connected with an output end of the CPU processor; the CPU processor is internally provided with a back and forth stroke recognition mechanism and a position mechanism, wherein, the output end of the back and forth stroke recognition mechanism is connected with an input end of the position mechanism, a time sequence difference of A, B two way light spot signals which are received by the back and forth recognition mechanism determines a rotation direction of an encoder and transmits to the position mechanism. The utility model locally converts a linear distance with a long range to the railcar sensing device with a small diameter for position, which can more accurately locate, in time reflect the accurate position and running speed of the railcar, which has a simple structure, a high reliability and an easy maintenance.
Description
Technical field
The utility model belongs to the railcar technical field, specifically, relates in particular to a kind of rail vehicle go and back running multi-point positioning device.
Background technology
The rail vehicle of field of traffic comprises railway, light rail, subway etc.; The rail vehicle of industrial circle comprises the rail 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 cart and the charging car etc. of coking industry.
In existing railcar location technology, be that operating personnel rely on vision and experience to determine whether railcar 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 speed reduction unit, hydraulic contracting frequently open, security reduction, the serviceable life of power-equipment are shortened.
Photoelectric detecting technologies such as infrared coding location detecting technology, RFID technology, induction antenna technology are arranged in the railcar location technology that retrieves at present.
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.Stube 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 signalling that nonadjustable signal sends in moving process, thereby obtains the specific address of locomotive.Movable scale uploads to the CPU processor 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, to 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, workload is huge.
6, nonadjustable signal and fixing mark light emitting diode etc. exist the angular error influence of alignment 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 RFID 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 status arrival assigned address of railcar according to the Data Control of electronic tag.
The accuracy of detection of RFID 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 central control room by communication cable, and induction antenna is installed on the locomotive, and antenna is measured the railcar position from the about 20cm of induction cable with induction mode.
Existing railcar walking location technology has following deficiency:
1, emitter or receiving device thereby the displacement or the skew that cause former because of mechanical shock etc. causes receiving device can not receive photosignal reliably, and can not produce electric signal or produce wrong signal.
2,, influenced by production on-site environment and cause photoelectric detection system not work reliably 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 photoelectric detection system 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 status of railcar because of skidding.
5, the accurate position of railcar can only be detected, the current travelling speed of railcar 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.
The utility model content
For solving above technical matters, the purpose of this utility model is to provide a kind of rail vehicle go and back running multi-point positioning device that can in time reflect accurate position of railcar and travelling speed.
The technical solution of the utility model is as follows: a kind of rail vehicle go and back running multi-point positioning device, comprise the CPU processor that is installed in the railcar railway carriage, described railcar is rolled with track and is connected, its key is: at railcar railway carriage bottom surface the railcar sensing device is installed, this railcar sensing device and track roll and are connected, and are provided with two output lines and are connected with the input end of described CPU processor;
Described railcar sensing device comprises bearing, frame, bearing seat, bearing, axle, rotary coding wheel and scrambler, wherein at the middle part of axle suit rotary coding wheel, and the two ends bearing set of axle, and on the termination of this axle scrambler is installed; Described bearing is positioned at bearing seat, and this bearing seat is fixedlyed connected with the bottom of frame, the upper end of frame then with the flexible connection of described bearing;
Described scrambler internal fixation has two photosensitive receiving tubes, and two photosensitive receiving tubes connect two output lines, to described CPU processor output A, photosignal that B two-way sequential is different;
Described CPU processor inside is provided with round trip identification mechanism and detent mechanism, wherein the output terminal of round trip identification mechanism is connected with the input end of described detent mechanism, the round trip identification mechanism receives described A, B two-way photosignal, judge the sense of rotation of described scrambler, and flowing to described detent mechanism, described detent mechanism is realized the location of described railcar.
Described detent mechanism inside is provided with electronic timer, calculates the signal output frequency of described stroke identification mechanism.
Be provided with shell in the both sides of described bearing seat bearing cage is gone into wherein, this shell is connected with bearing block bolt.
One end of described axle passes from shell, and inserts in the scrambler, and this scrambler is fixed on the lateral surface of shell by the scrambler pedestal.
Described frame is made of leading role's steel and angle cleat, and two leading role's steel be arranged in parallel and favour surface level, connects being hinged of this frame and described bearing between two leading role's steel by angle cleat.
Described bearing is made of location-plate and web joint, and wherein location-plate is parallel with surface level, and two web joints are parallel to each other and are vertically fixed on the bottom surface of location-plate.
The utility model in use, bearing is fixed on the bottom of railcar body, rotary coding wheel compresses in orbit under the self gravitation effect of bearing, frame etc., the lead of scrambler is connected with the CPU processor.When railcar was walked, scrambler was input to the numeration module of CPU processor with the travel distance of rotary coding wheel by the numeration pulse signal, to determine railcar present located physical location.
The beneficial effects of the utility model are:
Can in time reflect accurate position of railcar and travelling speed:
1, the air line distance location that will grow distance changes into a less railcar sensing device of diameter and locatees, and locatees more accurate;
2, package unit has only code wheel to contact with track machine, and is simple in structure, and the reliability height is easy to maintenance;
3, have wide range of applications, the rugged surroundings that promptly are used in high temperature strong corrosion can not influence result of use yet;
4, bearing accuracy height can reach ± 10mm.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of railcar sensing device;
Fig. 3 is the A-A cutaway view Amplified image of Fig. 2;
Fig. 4 is that the B of Fig. 2 is to view;
Fig. 5 is the FB(flow block) of round trip identification mechanism;
Fig. 6 is a scrambler internal work schematic diagram;
Fig. 7 is 7A, 7B photosensitive receiving tube signal timing diagram.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of rail vehicle go and back running multi-point positioning device, by the CPU processor 10 that is installed in the railcar railway carriage, railcar sensing device 11 and CPU processor 10 are formed, described railcar is rolled with track and is connected, and wherein, at railcar railway carriage bottom surface railcar sensing device 11 is installed, this railcar sensing device 11 and track roll and are connected, and are provided with two output lines and are connected with the input end of described CPU processor 10;
Described detent mechanism inside is provided with electronic timer, calculates the signal output frequency of described stroke identification mechanism.
Described railcar sensing device 11 comprises bearing 1, frame 2, bearing seat 3, bearing 4, axle 5, rotary coding wheel 6 and scrambler 7, wherein at the middle part of axle 5 suit rotary coding wheel 6, the two ends bearing set 4 of axle 5, and on the termination of this axle 5 scrambler 7 is installed; Described bearing 4 is positioned at bearing seat 3, and this bearing seat 3 is fixedlyed connected with the bottom of frame 2, the upper end of frame 2 then with the flexible connection of described bearing 1;
As Fig. 6, shown in Figure 7, described scrambler 7 internal fixation have two photosensitive receiving tube 7A, 7B, and two photosensitive receiving tube 7A, 7B connect two output lines, to described CPU processor 10 output A, photosignal that B two-way sequential is different;
Described CPU processor 10 inside are provided with round trip identification mechanism 10a and detent mechanism 10b, wherein the output terminal 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 the difference of injection time of described A, B two-way light spot signal and judges the sense of rotation of described scrambler 7, and flowing to described detent mechanism 10b, described detent mechanism 10b realizes the location of described railcar;
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 processor 10 is A3ACPU, and described scrambler 7 adopts the AUTONIC incremental encoder;
Can find out further that from Fig. 2, Fig. 3 and Fig. 4 be provided with shell 8 in the both sides of bearing seat 3 bearing 4 covers are gone into wherein, this shell 8 is connected with bearing seat 3 bolts.
One end of described axle 5 passes from shell 8, and inserts in the scrambler 7, and this scrambler 7 is fixed on the lateral surface of shell 8 by scrambler pedestal 9.
Described frame 2 is made of leading role's steel 2a and angle cleat 2b, and two leading role's steel 2a be arranged in parallel and favour surface level, connects by angle cleat 2b between two leading role's steel 2a, and this frame 2 is hinged with described bearing 1.
Described bearing 1 is made of location-plate 1a and web joint 1b, and wherein location-plate 1a is parallel with surface level, and two web joint 1b are parallel to each other and are vertically fixed on the bottom surface of location-plate 1a.
As shown in Figure 5: described round trip identification mechanism 10a is provided with:
The mechanism that is used for system initialization;
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 railcar is driven in the wrong direction;
Be used for counter and subtract 1 mechanism; Return and describedly be used to judge that A road signal equals 1 mechanism that denys; Equal 1, then carry out:
Be used for the mechanism that railcar is just being gone,
Be used for counter and add 1 mechanism; Return and describedly be used to judge that A road signal equals 1 mechanism that denys.
The utility model in use, scrambler 7 is connected with the signal input part of CPU processor 10.Bearing 1 in the utility model is fixed on railcar railway carriage bottom, rotary coding wheel 6 compresses in orbit under the self gravitation effect of bearing 1, frame 2 etc., driven rotary code wheel 6 rolls during the railcar walking, the output pulse input CPU processor 10 of scrambler 7.CPU processor 10 detects the accurate position and the travelling speed of railcar.
Claims (5)
1, a kind of rail vehicle go and back running multi-point positioning device, comprise the CPU processor (10) that is installed in the railcar railway carriage, described railcar is rolled with track and is connected, it is characterized in that: railcar sensing device (11) is installed at railcar railway carriage bottom surface, this railcar sensing device (11) and track roll and are connected, and are provided with two output lines and are connected with the input end of described CPU processor (10);
Described railcar sensing device (11) comprises bearing (1), frame (2), bearing seat (3), bearing (4), axle (5), rotary coding wheel (6) and scrambler (7), wherein at the middle part of axle (5) suit rotary coding wheel (6), the two ends bearing set (4) of axle (5), and on the termination of this axle (5) scrambler (7) is installed; Described bearing (4) is positioned at bearing seat (3), and this bearing seat (3) is fixedlyed connected with the bottom of frame (2), the upper end of frame (2) then with the flexible connection of described bearing (1);
Described scrambler (7) internal fixation has two photosensitive receiving tubes (7A, 7B), and two photosensitive receiving tubes (7A, 7B) connect two output lines, to described CPU processor (10) output A, photosignal that B two-way sequential is different;
Described CPU processor (10) inside is provided with round trip identification mechanism (10a) and detent mechanism (10b), wherein the output terminal of round trip identification mechanism (10a) is connected with the input end of described detent mechanism (10b), round trip identification mechanism (10a) receives described A, B two-way photosignal, judge the sense of rotation of described scrambler (7), and flowing to described detent mechanism (10b), described detent mechanism (10b) is realized the location of described railcar.
2, a kind of rail vehicle go and back running multi-point positioning device according to claim 1 is characterized in that: be provided with shell (8) in the both sides of described bearing seat (3) bearing (4) cover is gone into wherein, this shell (8) is connected with bearing seat (3) bolt.
3, a kind of rail vehicle go and back running multi-point positioning device according to claim 2, it is characterized in that: an end of described axle (5) passes from shell (8), and insert in the scrambler (7), this scrambler (7) is fixed on the lateral surface of shell (8) by scrambler pedestal (9).
4, a kind of rail vehicle go and back running multi-point positioning device according to claim 1, it is characterized in that: described frame (2) is made of leading role's steel (2a) and angle cleat (2b), two leading role's steel (2a) be arranged in parallel and favour surface level, connect by angle cleat (2b) between two leading role's steel (2a), this frame (2) is hinged with described bearing (1).
5, a kind of rail vehicle go and back running multi-point positioning device according to claim 1, it is characterized in that: described bearing (1) is made of location-plate (1a) and web joint (1b), wherein location-plate (1a) is parallel with surface level, and two web joints (1b) are parallel to each other and are vertically fixed on the bottom surface of location-plate (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620111695 CN200969115Y (en) | 2006-11-10 | 2006-11-10 | Rail vehicle roundtrip walking multi-point positioning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620111695 CN200969115Y (en) | 2006-11-10 | 2006-11-10 | Rail vehicle roundtrip walking multi-point positioning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200969115Y true CN200969115Y (en) | 2007-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620111695 Expired - Fee Related CN200969115Y (en) | 2006-11-10 | 2006-11-10 | Rail vehicle roundtrip walking multi-point positioning apparatus |
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| CN (1) | CN200969115Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982507A (en) * | 2017-05-31 | 2018-12-11 | 武汉桑普瑞奇科技有限公司 | A kind of Rail Surface hurt detection device and method |
| CN112240769A (en) * | 2019-07-17 | 2021-01-19 | 北京京东乾石科技有限公司 | Positioning method, system, device and storage medium thereof |
-
2006
- 2006-11-10 CN CN 200620111695 patent/CN200969115Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982507A (en) * | 2017-05-31 | 2018-12-11 | 武汉桑普瑞奇科技有限公司 | A kind of Rail Surface hurt detection device and method |
| CN112240769A (en) * | 2019-07-17 | 2021-01-19 | 北京京东乾石科技有限公司 | Positioning method, system, device and storage medium thereof |
| CN112240769B (en) * | 2019-07-17 | 2024-04-16 | 北京京东乾石科技有限公司 | Positioning method, system, device and storage medium thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |