CN210212409U - Train number identification system - Google Patents
Train number identification system Download PDFInfo
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- CN210212409U CN210212409U CN201920749282.3U CN201920749282U CN210212409U CN 210212409 U CN210212409 U CN 210212409U CN 201920749282 U CN201920749282 U CN 201920749282U CN 210212409 U CN210212409 U CN 210212409U
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- number identification
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- number recognition
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Abstract
The utility model relates to a train car number identification system, reach the collection system rather than being connected including computer lab monitoring device, collection system including set up on each share track car number identification device and with the meter axle magnet steel of car number identification device one-to-one, car number identification device and meter axle magnet steel interface butt joint in the junction box in order to carry out wheel data transmission, the junction box on each share track connects gradually through the cable. The identification system ensures that the acquisition devices are not influenced mutually, and when one group of the magnetic steels has problems, the other acquisition devices can work normally; meanwhile, due to the integrated design, overlong radio frequency feeder attenuation is avoided, and the radiation field intensity of the antenna is improved.
Description
Technical Field
The utility model relates to a train number identification system.
Background
The train number identification system has the following functions of automatically identifying the train number, improving the operation efficiency of a marshalling station, tracking and inquiring the running of locomotives and vehicles, counting and analyzing the overhaul information of the vehicles, counting the distribution of the trains and the like. The system mainly comprises (1) electronic tags which are arranged on a center sill at the bottom of a locomotive or a truck, wherein each electronic tag is equivalent to an 'identity card' of each truck; (2) the ground identification system (AEI) comprises a ground antenna, a wheel sensor, an RF (radio frequency) microwave radio frequency device, an industrial personal computer and the like, wherein the ground antenna is arranged between the tracks; (3) and the position tracking part transmits the acquired vehicle number information to ATIS data, and the acquired vehicle number information is displayed and inquired by a Web end.
The device capable of identifying the train number and tracking the position and the operation method thereof disclosed in the invention patent with the publication number of CN105760802B mainly comprise automatic train number identification equipment, a central acquisition device, a machine room monitoring device and a wheel sensor (namely magnetic steel). Wheel sensors are arranged at the throat of each track pair of the train and the train entering each track, and the automatic train number identification equipment is arranged at the throat of a total entrance of the train entering the tracks. The train number identification and position tracking related to the patent rely on the magnetic steel at each fork to judge the train direction, the algorithm is complex, and the breakdown of a group of magnetic steel can cause the whole system to be out of normal use. And signal acquisition equipment adopts coaxial feeder to be connected with computer lab monitoring device, and transmission distance is far away and the antenna appears easily with feeder junction condition of intaking, seriously influences signal acquisition and transmission efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a train number identification system to a set of magnet steel damage that the arrangement mode who solves current car number identification equipment and magnet steel exists will lead to the paralyzed unable normal use problem of entire system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
train number identification system, including computer lab monitoring device and rather than the collection system who is connected, collection system is including setting up the car number recognition device on each track and with the count axle magnet steel of car number recognition device one-to-one, car number recognition device and count axle magnet steel interface butt joint in the junction box in order to carry out wheel data transmission, the junction box on each track connects gradually through the cable.
Furthermore, a communication box is arranged between the machine room monitoring device and the collecting device, Nport equipment and an optical fiber switch are arranged in the communication box, and the optical fiber switch converts the electric signals into optical signals and transmits the optical signals to the machine room monitoring device through an optical cable.
Furthermore, a CAN communication bus is adopted between the acquisition device and the communication box for signal transmission, and a CAN converter is further arranged in the communication box.
Further, the first voltage-stabilizing switching power supply provides power for the Nport device and the CAN converter.
Furthermore, the car number recognition device is integrated, and the car number recognition device includes antenna, radio frequency part, control section, and the radio frequency part includes RF radio frequency module, and the control section includes the singlechip, includes the installation casing that comprises glass steel cover and bottom plate, is equipped with the singlechip mainboard in the installation casing, with the RF board of singlechip mainboard connection to and the radiation panel.
Furthermore, an aviation plug interface used for being in butt joint with an external cable is arranged at the bottom of the vehicle number identification device.
The utility model has the advantages that: the utility model discloses train number identification system sets up a this collection unit on each strand way of train as a collection unit with car number recognition device and meter axle magnet steel respectively, and car number recognition device concentrates with meter axle magnet steel to set up as a collection unit, installs at a check point, has following characteristics: (1) all the acquisition units are not affected with each other, and when one acquisition unit has a problem, the other acquisition units can work normally; (2) the using quantity of the magnetic steels is reduced, and only one pair of magnetic steels needs to be arranged on one track; (3) the signal transmission between the magnetic steel and the vehicle number identification device has good real-time performance, and can avoid the delay in the prior art; (4) and the overlong attenuation of the radio frequency feeder is avoided, so that the radiation field intensity of the antenna is improved.
Furthermore, the car number recognition device is designed in an integrated mode, is convenient for full-closed processing, and is waterproof and anticorrosive.
Furthermore, the car number recognition device is provided with a pair of external interfaces, and is in butt joint with an external cable through an aviation plug, so that the car number recognition device is convenient to replace, waterproof and reliable in connection.
Drawings
Fig. 1 is a schematic diagram of the train number identification system of the present invention (for an example of three acquisition devices);
FIG. 2 is an exploded view of the vehicle identification device of FIG. 1;
fig. 3 is a schematic diagram of the train number identification system of the present invention (an example for a plurality of collection devices);
fig. 4 is a data table of the train number recognition system in the operation process of the utility model.
The corresponding names in the figure are marked as follows:
1. the car number recognition device comprises 2, first magnetic steel, 3, second magnetic steel, 4, a junction box, 5, one lane, 6, two lanes, 7, three lanes, 8, a communication box, 9, a machine room, 11, a bottom plate, 12, a connecting plate, 13, a single chip microcomputer mainboard, 14, an RF plate, 15, a radiation plate, 16 and a glass steel cover.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model discloses train number identification system's embodiment 1:
as shown in fig. 1-2, the device comprises a machine room monitoring device and a collecting device connected with the machine room monitoring device, wherein the collecting device comprises a car number recognition device 1 arranged on each track and axle counting magnetic steels corresponding to the car number recognition devices one by one, the car number recognition devices and the axle counting magnetic steels are butted in interfaces in junction boxes to transmit wheel data, and the junction boxes on each track are sequentially connected through cables. In this embodiment, three tracks are listed, which are marked as a track 5, a track 6 and a track 7. In other embodiments, the number of tracks may vary depending on the actual situation in the field.
Two wheel sensors are arranged on each track of the train, active magnetic steels are adopted and are marked as a first magnetic steel 2 and a second magnetic steel 3, and the two magnetic steels form a group and are called as the axle counting magnetic steels. The axle-counting magnetic steel is connected with the corresponding junction box 4 in an exchange way, and the axle-counting magnetic steel is powered by the second voltage-stabilizing switch power supply. Meanwhile, the second voltage-stabilized power supply also supplies power for the car number identification device, the car number identification device is connected with the axle counting magnetic steel through the junction box to count the axle and judge the car, and the magnetic steel signal access real-time performance is good. Specifically, the car number recognition device is connected with the junction box after being protected by a protective tube through an RVVP10 x 0.3 cable, and the axle counting magnetic steel is connected with the junction box after being protected by the protective tube through the cable. The junction box adopts a Yangzhou great wall HZ2-24 type.
The train number identification device is installed between two sleepers of each track of a train, is of an integrated type and comprises an antenna, a radio frequency part and a control part, wherein the radio frequency part comprises an RF (radio frequency) module, and the control part comprises a single chip microcomputer. Specifically, as shown in fig. 2, the car number identification device is an exploded view, and includes a mounting housing formed by a glass fiber reinforced plastic cover 16 and a bottom plate 11, and a single chip microcomputer main board 13, an RF board 14 (corresponding to the RF module) connected to the single chip microcomputer main board, and a radiation board 15 (corresponding to the antenna). In addition, the railway sleeper protection device further comprises a connecting plate 12, the connecting plate 12 is used when the vehicle number identification device is integrally installed on a railway sleeper, the connecting plate 12 is fixed on the upper side of the protection support through screws, and the protection support is clamped between two adjacent sleepers. And a steel wire rope shock absorber is arranged in the space between the car number recognition device and the protective bracket, so that the shock resistance and impact resistance are improved.
The bottom of the vehicle number identification device is provided with a pair of external interfaces which are butted with an external cable through a waterproof aviation plug, so that the vehicle number identification device is convenient to replace and reliable in connection.
The car number recognition device is highly integrated, the antenna and the radio frequency module are arranged together, the material cost and the construction cost are greatly saved, and the radio frequency feeder attenuation is avoided, so that the radiation field intensity of the antenna is greatly improved, and the car number recognition rate is ensured.
The vehicle number identification device transmits microwave carrier signals to the tag, receives modulated wave signals reflected by the tag, demodulates, decodes, processes and judges the modulated wave signals, and transmits the processed tag information to an upper computer for vehicle management.
A communication box 8 is arranged between the machine room monitoring device and the collecting device of the machine room 9, and the communication box adopts a Yangzhou great wall XB2-D type. And the car number identification device generates message data after being decoded and matched with the label data and is connected with the communication box through a cable. The communication box is internally provided with a CAN converter, Nport equipment and an optical fiber switch, the CAN converter converts CAN signals of the vehicle number identification device into 232 format, the Nport converts a serial port into a network port, and the optical fiber switch converts electric signals into optical signals and transmits the optical signals to the machine room monitoring device through an optical cable.
The first voltage-stabilizing switching power supply is arranged in the communication box, and the first voltage-stabilizing switching power supply adopts the output DC24V and is converted from the 220V voltage of the communication box. The first regulated switching power supply supplies power to the Nport device, the CAN converter, and provides input power to a downstream junction box.
Because the junction box is far away from the communication box, the voltage drop of the first voltage-stabilizing switching power supply (DC24V power supply) is large, and the input voltage requirement of the magnetic steel cannot be met (in the magnetic steel, a Jinsheng Yang IF2405S-1W and 22.8-25.2V power supply module are adopted). Therefore, a second voltage-stabilizing switch power supply (bright weft DDR15G-24 guide rail type switch power supply) is installed in the junction box and directly supplies power to the magnetic steel, and the input voltage of the second voltage-stabilizing switch power supply is DC9-36V, the output voltage is DC24V, and the output power is 15W, so that the use requirement is met. Namely, the second voltage-stabilizing switching power supply is used for boosting the voltage which is transmitted by the first voltage-stabilizing switching power supply and is less than 24V to 24V, and then the voltage is used for supplying power to the magnetic steel and the vehicle number identification device.
Adopt CAN bus cable to carry out signal transmission between car number recognition device's junction box and the communication box, the interference killing feature is strong, and still is equipped with power cable between the two. A DC24V power cable and a CAN bus cable are respectively arranged between two adjacent branch boxes which are connected together. The DC24V power cable from the communication box to the distribution box adopts an armored power cable PTYA23-4 x 1, and the CAN communication cable adopts an armored shielding twisted pair cable ASTP-120-2 x 0.75.
The machine room monitoring device mainly comprises an indoor cabinet, a server, an optical fiber switch and a KVM (keyboard, video and mouse), and the content of the machine room monitoring device is similar to that of the prior art.
The utility model discloses train number identification system's embodiment 2:
in this embodiment, a plurality of collecting devices on different tracks are targeted. As shown in fig. 3, the field acquisition devices are connected in a plurality of strings by using a DC24V power cable and a CAN bus, and then are connected to a communication box. The CAN bus is transferred into the CAN converter by the connecting terminal in the communication box and then enters the communication equipment. The acquisition devices are connected into a plurality of communication boxes according to regions, and the communication boxes are connected in series by using AC220V power cables and optical cables and then are gathered to enter a machine room.
The AC220V power supply cables between the communication boxes and the machine room adopt armored power cables PTY23-4 x 2.5, the CAN bus cables adopt armored shielding twisted pair cables ASTP-120-2 x 0.75, and the optical cables adopt armored optical cables GYSTA53-8B 1.
The utility model discloses car number identification system, including following operation step:
(1) detecting train arrival
When a train arrives, firstly, when wheels press axle counting magnetic steels, axle counting magnetic steel signals are finally transmitted into the train number recognition device through cables, a train receiving program in the train number recognition device judges and determines that the train arrives, the train receiving state is immediately entered, and when the train receiving state is entered, the following work is mainly completed: starting the RF module, and enabling the antenna to start receiving the label; initializing the vehicle receiving processing module, setting a timer, initializing variables, parameters and the like.
(2) Receiving signal reflected by label and identifying label
When the locomotive or vehicle with the tag passes through the action range of the antenna, the tag performs reflection modulation on the microwave signal according to the memory data. The antenna receives the reflected signal of the label and transmits the signal to the RF module in the vehicle number identification device, and the RF module demodulates, amplifies and the like the modulated label signal and then transmits the signal to the singlechip mainboard for decoding and data processing. Finally, 16 bytes (128 bits) of tag data are formed and placed in the data buffer, thereby completing the identification of the tag.
(3) Axle counting, vehicle judging, speed measuring and label positioning
When the tag data is read, the train receiving program of the train number identification device collects train wheel signals through axle counting magnetic steel to finish axle counting vehicle judgment and speed measurement, and finally, tag positioning is finished by combining the tag data.
(4) Turning off RF device and stopping transmitting microwave signal
And after the whole train passes through, the train receiving program of the train number identification device controls delay time according to the speed of the train, closes the RF module and stops transmitting the microwave signal.
(5) Self-check of system
The AEI software performs self-checking once every half hour when no vehicle passes by, detects the radio frequency module, the radio frequency circuit and the UPS power supply (in a machine room), forms self-checking information and stores the self-checking information in a database, and facilitates future inquiry.
(6) Ready to receive the next train
After the AEI software finishes the operations of collecting, displaying and adding the train passing information into the database, the whole train collecting and processing process of the train is finished, the train is recovered to a normal train receiving waiting state, and the arrival of the next train is waited.
The utility model discloses car number identification system is through 1 month's test, and total train 626 row, vehicle total number 71910 have tag vehicle 71726, and no tag vehicle 184, the rate of identification is 99.74%, and relative former AEI system has the promotion. And the identification rate data is counted under the condition that some labels are aged in performance and some vehicles are not labeled. Under the field environment, the car number recognition device can meet the designed functional requirements, shockproof environmental requirements and other environmental requirements. As shown in FIG. 4, some data in the test process is referenced for a screenshot of the running software.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (6)
1. Train number identification system, its characterized in that: the device comprises a machine room monitoring device and an acquisition device connected with the machine room monitoring device, wherein the acquisition device comprises a car number identification device arranged on each track and axle counting magnetic steels in one-to-one correspondence with the car number identification devices, the car number identification devices and the axle counting magnetic steels are in butt joint in junction boxes to transmit wheel data, and the junction boxes on each track are sequentially connected through cables.
2. The train number recognition system according to claim 1, wherein: be equipped with the communication box between computer lab monitoring device and the collection system, be equipped with Nport equipment and fiber switch in the communication box, fiber switch turns into the light signal with the signal of telecommunication and conveys computer lab monitoring device through the optical cable.
3. The train number recognition system according to claim 2, wherein: and a CAN communication bus is adopted between the acquisition device and the communication box for signal transmission, and a CAN converter is also arranged in the communication box.
4. The train number recognition system according to claim 3, wherein: the first voltage-stabilizing switching power supply provides power for the Nport equipment and the CAN converter.
5. The train number recognition system according to claim 1, wherein: the car number recognition device is integrated, and the car number recognition device includes antenna, radio frequency part, control division, and the radio frequency part includes RF radio frequency module, and the control division includes the singlechip, includes the installation casing that comprises glass steel cover and bottom plate, is equipped with the singlechip mainboard in the installation casing, with the RF board of singlechip mainboard connection to and the radiation panel.
6. The train number recognition system according to claim 5, wherein: and an aviation plug interface for butting with an external cable is arranged at the bottom of the vehicle number identification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749282.3U CN210212409U (en) | 2019-05-23 | 2019-05-23 | Train number identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749282.3U CN210212409U (en) | 2019-05-23 | 2019-05-23 | Train number identification system |
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| Publication Number | Publication Date |
|---|---|
| CN210212409U true CN210212409U (en) | 2020-03-31 |
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| CN201920749282.3U Active CN210212409U (en) | 2019-05-23 | 2019-05-23 | Train number identification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104028A (en) * | 2019-05-23 | 2019-08-09 | 郑州智辆电子科技有限公司 | Train car number identification system and its operation method |
| CN113492891A (en) * | 2021-04-23 | 2021-10-12 | 北京时域智控技术有限公司 | Railway present-car monitoring system and car marshalling method |
-
2019
- 2019-05-23 CN CN201920749282.3U patent/CN210212409U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104028A (en) * | 2019-05-23 | 2019-08-09 | 郑州智辆电子科技有限公司 | Train car number identification system and its operation method |
| CN113492891A (en) * | 2021-04-23 | 2021-10-12 | 北京时域智控技术有限公司 | Railway present-car monitoring system and car marshalling method |
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