CN214985390U - Train control device suitable for C0/C1/C2-level line - Google Patents
Train control device suitable for C0/C1/C2-level line Download PDFInfo
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- CN214985390U CN214985390U CN202121415321.XU CN202121415321U CN214985390U CN 214985390 U CN214985390 U CN 214985390U CN 202121415321 U CN202121415321 U CN 202121415321U CN 214985390 U CN214985390 U CN 214985390U
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Abstract
The utility model belongs to the technical field of train control, in particular to a train control device suitable for a C0/C1/C2-level line, which adopts a train-ground two-layer framework and is respectively vehicle-mounted equipment and ground equipment for carrying out wireless communication with the vehicle-mounted equipment; the vehicle-mounted equipment is arranged in the cabinet in a centralized manner or in a dispersed manner in the train and comprises a main control unit, a vehicle-mounted antenna, a man-machine interaction unit, a reinforced transponder information reading unit and a track circuit information reading unit, wherein the man-machine interaction unit, the reinforced transponder information reading unit and the track circuit information reading unit are connected with the main control unit; the ground equipment comprises an indoor part and an outdoor part, wherein the indoor part comprises a station data server, the outdoor part comprises a 400MHz antenna transmitting base station and a passive transponder group, and the 400MHz antenna transmitting base station is connected with the station data server through an optical fiber. The utility model discloses make train safe and reliable operation, supplementary driver safe driving.
Description
Technical Field
The utility model belongs to the technical field of the train control, concretely relates to train control device suitable for C0/C1/C2 level circuit.
Background
At present, an LKJ device is generally adopted for controlling a train on a general speed railway, and certain limitations exist, namely firstly, data is frequently reloaded, a chip is programmed on the ground through a programmer, then the corresponding chip is replaced by loading the train, and the hidden troubles of missing loading, wrong loading and advanced loading exist; secondly, the sudden temporary speed limit cannot be written into locomotive-mounted equipment in advance and needs to be controlled by a driver; thirdly, the train positioning precision is not enough and manual intervention correction is needed; fourthly, the train control data needs to be manually called during the running of the train, such as branch line and stock track numbers and the like, and the error input is easy; fifthly, when a high-speed railway motor train unit train with the grade of C2 enters a common-speed railway for passing, due to the compatibility problem, the existing train control system cannot achieve effective control. With the continuous development and progress of railway equipment, aiming at the defects, development and improvement on the safety, reliability, automation and intellectualization of the conventional general-speed railway vehicle control equipment are urgently needed.
Disclosure of Invention
In order to solve the defects existing in the prior art, the utility model aims at providing a train control device based on a be applicable to C0/C1/C2 level circuit, make train safe and reliable operation, supplementary driver safe driving.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a train control device suitable for C0/C1/C2 level line, which adopts a train-ground two-layer framework, namely vehicle-mounted equipment and ground equipment which is in wireless communication with the vehicle-mounted equipment;
the vehicle-mounted equipment is arranged in the cabinet in a centralized manner or in a dispersed manner in the train and comprises a main control unit, a vehicle-mounted antenna, a man-machine interaction unit, a reinforced transponder information reading unit and a track circuit information reading unit, wherein the man-machine interaction unit, the reinforced transponder information reading unit and the track circuit information reading unit are connected with the main control unit;
the ground equipment comprises an indoor part and an outdoor part, wherein the indoor part comprises a station data server, the outdoor part comprises a 400MHz antenna transmitting base station and a passive transponder group, and the 400MHz antenna transmitting base station is connected with the station data server through an optical fiber.
Furthermore, the main control unit is a core processing unit of the vehicle-mounted equipment and comprises a main control module, a sensor acquisition module, a locomotive interface module, a communication module and a power supply module, wherein the sensor acquisition module, the locomotive interface module, the communication module and the power supply module are connected with the main control module, and the main control module is connected with the reinforced transponder information reading unit and the track circuit information reading unit through the communication module so as to acquire point type information and driving instruction information.
Further, the vehicle-mounted equipment further comprises a speed sensor and a pressure sensor, wherein the speed sensor and the pressure sensor are connected with the sensor acquisition module, the speed sensor acquires train speed information, and the pressure sensor detects the pressure of a train pipe, a balance air cylinder and a brake cylinder.
Further, the vehicle-mounted antenna comprises a satellite antenna, a mobile communication antenna, a TCR antenna, a BTM antenna and a 400MHz receiving antenna;
the satellite antenna and the mobile communication antenna are arranged at the top of the train, the satellite antenna provides satellite clock information for vehicle-mounted equipment, and the mobile communication antenna is used for wireless transmission of operation data, automatic downloading of operation records and wireless reloading of C0 data;
the TCR antenna is arranged right above a front steel rail of a first wheel pair at the head of the train, and the track circuit information reading unit receives track circuit information through the TCR antenna;
the BTM antenna is arranged on a transverse central line at the bottom of the vehicle body, and the reinforced transponder information reading unit receives the passive transponder group information through the BTM antenna;
the 400MHz receiving antenna is installed at the top of the train and used for bidirectional message transmission between the vehicle-mounted equipment and a station data server of the ground equipment through a 400MHz wireless network.
Further, the vehicle-mounted equipment further comprises a data recording unit and an interface unit which are connected with the communication module;
the data recording unit records data and control information of the vehicle-mounted equipment, and is respectively connected with the satellite antenna and the mobile communication antenna;
the interface unit is used for driving the double-needle speedometer and acquiring locomotive state information and is connected with a leveling and TAX external system.
Furthermore, the human-computer interaction unit is a display and operation device of the vehicle-mounted equipment, displays the speed, distance, working state and line condition of the train, and realizes sound-light alarm and driver operation.
Furthermore, the enhanced transponder information reading unit comprises a transponder transmission unit and a wireless communication unit, the transponder transmission unit receives message information of the ground passive transponder and transmits the received message information to the wireless communication unit, and the wireless communication unit selects a corresponding wireless message from broadcast data received by the 400MHz receiving antenna according to the number of the passive transponder and transmits the wireless message to the main control unit.
Furthermore, the track circuit information reading unit transmits the demodulated track circuit carrier frequency, low frequency and insulation section information to the main control unit.
Further, the station data server converts the route information and the temporary speed limit information into wireless messages, and sends the message information in a 400MHz wireless broadcast mode; the passive transponder group comprises two passive transponders which are arranged at two approaching, station entering, station exiting ports and two leaving positions of each station.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a train control device suitable for C0/C1/C2 level circuit adopts station data server to realize ground line data station centralized management, realizes train location and the chooseing for use of route information through passive transponder, realizes the train ground transmission of line data, route data and interim speed limit information through radio communication; the utility model discloses a ground equipment can be for driver transmission multiple type information, and ground equipment also can obtain on-vehicle information simultaneously, realizes that on-vehicle equipment carries out message both-way transmission with ground equipment to make train safe and reliable operation, supplementary driver safe driving reduces the accident rate, effectively guarantees passenger's security of the lives and property.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a general architecture diagram of a train control device suitable for use with a class C0/C1/C2 line in accordance with an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the in-vehicle device according to the embodiment of the present invention;
FIG. 3 is a connection diagram of the in-vehicle device according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a floor installation according to an embodiment of the present invention;
fig. 5 is a 40MHz wireless network coverage area of an embodiment of the present invention;
fig. 6 is a layout diagram of a station transponder according to an embodiment of the present invention;
fig. 7 is the switch speed limit transponder layout of the embodiment of the utility model
Fig. 8 is a diagram of an interstage transfer transponder arrangement of an embodiment of the invention.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions 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, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1, the train control device of the present embodiment is applied to a C0/C1/C2-class line, and the train control device adopts a train-ground two-layer architecture, namely, an on-board device and a ground device that wirelessly communicates with the on-board device.
As shown in fig. 2 and 3, the vehicle-mounted device is suitable for various types of electric power and diesel locomotives, adopts a distributed structure, can be centrally disposed in the cabinet, and can also be dispersedly disposed, and specifically includes a main control unit (VC), a vehicle-mounted antenna, and a human-computer interaction unit (DMI) connected to the main control unit, an enhanced transponder information reading unit (BTM + WTM), a track circuit information reading unit (TCR), a speed sensor, a pressure sensor, a Data Recording Unit (DRU), and an interface unit. The vehicle-mounted equipment adopts a hot standby mode for the double systems, when the main system fails, the main system can be seamlessly switched to the standby system to continue running, and a 2-out-of-2 structure is adopted in the system, so that the safety requirement is met.
The main control unit is a core processing unit of the vehicle-mounted equipment, comprises a main control module, a sensor acquisition module, a locomotive interface module, a communication module and a power module, and is connected with the main control module, and is used for realizing the core control function of the vehicle-mounted equipment. The master control module has train control functions of C0 level, C1 level and C2 level. The main control module is connected with the reinforced transponder information reading unit and the track circuit information reading unit through the communication module so as to obtain point type information, driving instruction information and the like; the main control module is connected with the data recording unit through the communication module to record equipment operation information, and the main control module is connected with the interface unit through the communication module to realize non-safety information interaction with external expansion equipment.
The speed sensor is connected with the sensor acquisition module, and the speed sensor adopts 2 wheel speed sensors to acquire train speed information.
The pressure sensor is connected with the sensor acquisition module and used for detecting the pressure of the train pipe, the equalizing reservoir and the brake cylinder.
The vehicle-mounted antenna comprises a satellite antenna, a mobile communication antenna, a TCR antenna, a BTM antenna and a 400MHz receiving antenna.
The satellite antenna is arranged on the top of the train and provides satellite clock information for the vehicle-mounted equipment.
The mobile communication antenna is arranged on the top of the train and is used for wireless transmission of operation data, automatic downloading of operation records, wireless reloading of C0 data and the like.
The TCR antenna is used for receiving track circuit information and is arranged right above a front steel rail of a first wheel set at the head of the train, and 2 TCR antennas are respectively arranged at the end I and the end II of the locomotive. The TCR antenna uses the I-terminal antenna or the II-terminal antenna according to the I-terminal and II-terminal commands of the main control unit.
The BTM antenna is used for receiving information of the ground passive transponder group and is installed on a transverse center line at the bottom of the vehicle body, and the BTM antenna is configured in a single set due to the fact that the installation space of the bottom of the locomotive is limited.
The 400MHz receiving antenna is installed at the top of the train and used for bidirectional message transmission between the vehicle-mounted equipment and a station data server of the ground equipment through a 400MHz wireless network. Preferably, the 400MHz receiving antenna adopts a redundant configuration mode.
The data recording unit is based on JRU/DMS/transmission platform and is used for recording data and control information of the vehicle-mounted device. The data recording unit is connected with the roof satellite antenna and provides information such as a clock and the like for the system; the data recording unit is connected with the mobile communication antenna of the vehicle roof and is used for wireless transmission of operation data, automatic downloading of operation records, wireless reloading of C0 data and the like.
The interface unit is used for driving the double-needle speedometer, acquiring locomotive state information such as a plane shunting signal and a whistle signal, can be connected with external systems such as a level switch and a TAX, and supports the existing locomotive external systems.
The man-machine interaction unit is a display and operation device of the vehicle-mounted equipment, displays information such as train speed, distance, working state and line condition, and realizes acousto-optic alarm and driver operation. The human-computer interaction unit displays a C1/C2 display interface or a C0 display interface according to the operation level.
The enhanced transponder information reading unit comprises a transponder transmission unit and a wireless communication unit; the transponder transmission unit receives message information of the ground passive transponder and transmits the received message information to the wireless communication unit; the wireless communication unit receives a wireless message from a corresponding 400MHz wireless network according to the frequency point locking information of the main control unit, and caches the wireless message after demodulation; and after receiving the ground passive transponder information of the transponder transmission unit, matching the corresponding wireless message according to the transponder number, if the corresponding wireless message is not found, sending the passive transponder message to the main control unit, and if the corresponding wireless message is found, sending the wireless message to the main control unit.
The track circuit information reading unit receives track circuit information through the TCR antenna and transmits demodulated track circuit carrier frequency, low frequency and insulation section information to the main control unit; the track circuit information reading unit has a multi-carrier frequency receiving function, can determine uplink and downlink carrier frequencies according to responder information, driver uplink and downlink carrier frequency selection and in-station coding information, and should preferentially use the responder information to lock uplink and downlink carrier frequency pairs or single carrier frequencies.
As shown in fig. 1, the ground device includes an indoor part and an outdoor part, the indoor part includes a station data server, the outdoor part includes a 400MHz antenna transmission base station and a passive transponder group, and the 400MHz antenna transmission base station is connected with the station data server through an optical fiber.
The station data server converts the received route information and the temporary speed limit information into wireless messages, the message information is sent in a broadcasting mode through a wireless radio station, each set of station data server is provided with two 400MHz antenna transmitting base stations which have two wireless frequencies, and adjacent stations adopt different frequency points. Optionally, as shown in fig. 4, the station data server includes a server i, a server ii, a maintenance terminal, a KVM, a switch, a satellite time service device, a power supply interface, and the like, and the station data server may be integrally assembled in a 49U standard cabinet.
The device adopts 400MHz wireless communication to realize the air interface speed not less than 9.6kbps under the bandwidth of 12.5kHz and the requirement of application data transmission capacity of 4.8kbps, the maximum transmitting power is not more than 20W, the wireless coverage field intensity of the farthest transponder is not less than-100 dBm, and the station 400MHz wireless network coverage area is shown in figure 5.
The passive transponder group comprises two passive transponders, two approaches, an entrance, an exit and two exits arranged at each station, and is used for providing train positioning, interstage conversion and access information selection for the vehicle-mounted equipment. The setting principle of the passive transponder group is as follows:
(1) transponder group in station
Passive transponder groups [ JZ ], [ CZ ], [ FCZ ] and [ FJZ ] are respectively arranged at the station entry, station exit and station exit, as shown in FIG. 6.
Wireless message of the inbound responder: when a positive line access is opened, the speed limit and temporary speed limit information of the positive line are described, and when a lateral line access is opened, the speed limit and temporary speed limit information of the lateral line are described. And the station-entering transponder describes the frequency point information of the station and the station in front according to the route on the basis of describing the line data.
And (3) anti-outbound transponder wireless message: when a lateral approach is opened to pick up a car, the line speed limit and the temporary speed limit information are not described, and when the lateral approach is opened, the departure approach line speed limit, the temporary speed limit information and the front turnout speed limit information are described.
Outbound transponder wireless messaging: when the departure route is opened, the speed limit of the departure route line, the temporary speed limit information and the frequency point information of the station and the station in front of the station are described.
Wireless message of the anti-inbound responder: when a forward line departure approach is opened, line speed limit, temporary speed limit information and front station frequency point information of a forward line departure direction are described.
(2) Turnout speed limit forenotice transponder group
In order to forecast the speed limit of the turnout siding higher than 25km/h in advance, a turnout responder group (DD) consisting of 2 passive responders is arranged in the inlet of a second approaching block subarea and the outlet of a second leaving block subarea, as shown in figure 7.
And the second approach (DD) transponder group sends front entering turnout speed limit information, main line speed limit, temporary speed limit information and frequency point information of the station and the front station.
And a second leaving (DD) responder group sends front main line speed limit, temporary speed limit and front station frequency point information.
(3) Rank conversion transponder group
Level transition forenotice transponders [ YG ], level transition transponders [ ZX ], and level transition reverse forenotice transponders [ FYG ] are provided at level transition boundaries to describe level switching from a CTCS-1 system operation region to a CTCS-0 level or CTCS-2 level region or in the reverse direction, as shown in fig. 8.
The control method of the train control device suitable for the C0/C1/C2-level line of the embodiment comprises the following steps:
and step S101, after framing line data, route data and temporary speed limit in real time by the station data server to generate wireless messages, sending the wireless messages to all trains in a wireless network coverage range in a 400MHz wireless broadcast communication mode.
And S102, respectively arranging passive transponder groups comprising two passive transponders at two approaching, station entering, station exiting ports and two leaving ports of each station.
And S103, the reinforced transponder information reading unit receives the ground passive transponder group information through the BTM antenna at the lower part of the train and receives the wireless broadcast data through the 400MHz receiving antenna, and when the train passes through the passive transponder, the train selects a corresponding wireless message from the broadcast data according to the transponder number and forwards the wireless message to the main control unit of the vehicle-mounted equipment according to the CTCS standard transponder message format.
And step S104, after the main control unit of the vehicle-mounted equipment receives the wireless message of the enhanced transponder information reading unit, the vehicle control mode curve is generated by combining the driving permission provided by the track circuit.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (9)
1. A train control device suitable for a C0/C1/C2-level line is characterized by adopting a train-ground two-layer structure, namely vehicle-mounted equipment and ground equipment which is in wireless communication with the vehicle-mounted equipment;
the vehicle-mounted equipment is arranged in the cabinet in a centralized manner or in a dispersed manner in the train and comprises a main control unit, a vehicle-mounted antenna, a man-machine interaction unit, a reinforced transponder information reading unit and a track circuit information reading unit, wherein the man-machine interaction unit, the reinforced transponder information reading unit and the track circuit information reading unit are connected with the main control unit;
the ground equipment comprises an indoor part and an outdoor part, wherein the indoor part comprises a station data server, the outdoor part comprises a 400MHz antenna transmitting base station and a passive transponder group, and the 400MHz antenna transmitting base station is connected with the station data server through an optical fiber.
2. The train control device suitable for the C0/C1/C2-level line as claimed in claim 1, wherein the master control unit is a core processing unit of vehicle-mounted equipment, and comprises a master control module, a sensor acquisition module, a locomotive interface module, a communication module and a power supply module, wherein the sensor acquisition module, the locomotive interface module, the communication module and the power supply module are connected with the enhanced transponder information reading unit and the track circuit information reading unit through the communication module, and the master control module is used for acquiring point information and train running command information.
3. The train control device suitable for the C0/C1/C2 grade line of claim 2, wherein the vehicle-mounted equipment further comprises a speed sensor and a pressure sensor connected with a sensor acquisition module, the speed sensor acquires train speed information, and the pressure sensor detects the pressure of a train pipe, an equalizing reservoir and a brake cylinder.
4. The train control device for the C0/C1/C2 line as claimed in claim 2, wherein the vehicle-mounted antenna includes a satellite antenna, a mobile communication antenna, a TCR antenna, a BTM antenna and a 400MHz receiving antenna;
the satellite antenna and the mobile communication antenna are arranged at the top of the train, the satellite antenna provides satellite clock information for vehicle-mounted equipment, and the mobile communication antenna is used for wireless transmission of operation data, automatic downloading of operation records and wireless reloading of C0 data;
the TCR antenna is arranged right above a front steel rail of a first wheel pair at the head of the train, and the track circuit information reading unit receives track circuit information through the TCR antenna;
the BTM antenna is arranged on a transverse central line at the bottom of the vehicle body, and the reinforced transponder information reading unit receives the passive transponder group information through the BTM antenna;
the 400MHz receiving antenna is installed at the top of the train and used for bidirectional message transmission between the vehicle-mounted equipment and a station data server of the ground equipment through a 400MHz wireless network.
5. The train control device for the C0/C1/C2 line as claimed in claim 4, wherein the on-board unit further comprises a data recording unit and an interface unit connected to the communication module;
the data recording unit records data and control information of the vehicle-mounted equipment, and is respectively connected with the satellite antenna and the mobile communication antenna;
the interface unit is used for driving the double-needle speedometer and acquiring locomotive state information and is connected with a leveling and TAX external system.
6. The train control device suitable for the C0/C1/C2 line as claimed in claim 1, wherein the human-computer interaction unit is a display and operation device of vehicle-mounted equipment, which displays train speed, distance, working state and line condition, and realizes sound-light alarm and driver operation.
7. The train control device according to claim 4, wherein the enhanced transponder information reading unit comprises a transponder transmission unit and a wireless communication unit, the transponder transmission unit receives message information of a ground passive transponder and transmits the received message information to the wireless communication unit, and the wireless communication unit selects a corresponding wireless message from broadcast data received by a 400MHz receiving antenna according to the number of the passive transponder and transmits the corresponding wireless message to the main control unit.
8. The train control device of claim 1, wherein the track circuit information reading unit transmits the demodulated carrier frequency, low frequency and insulation section information of the track circuit to the main control unit.
9. The train control device applicable to the C0/C1/C2-level line as claimed in claim 1, wherein the station data server converts the route information and the temporary speed limit information into wireless messages, and transmits the message information in a 400MHz wireless broadcast mode; the passive transponder group comprises two passive transponders which are arranged at two approaching, station entering, station exiting ports and two leaving positions of each station.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232696A (en) * | 2021-06-24 | 2021-08-10 | 河南思维自动化设备股份有限公司 | Train control device and method suitable for C0/C1/C2-level line |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232696A (en) * | 2021-06-24 | 2021-08-10 | 河南思维自动化设备股份有限公司 | Train control device and method suitable for C0/C1/C2-level line |
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