KR200238907Y1 - Telemetering train protector using cbtc - Google Patents

Abstract

The present invention relates to a system for protecting a radio of a train informing a train running around the train of an emergency situation, in particular, the emergency of a train using a wireless communication network (wireless LAN) of a train control system using wireless communication. By notifying the surrounding train the situation, it is possible to transmit a signal to the target train to receive an emergency situation, there is no limitation in the transmission distance, safe, accurate, and easy to understand the situation.

That is, after installing the device for transmitting and receiving the emergency situation in the CBTC which keeps track of the position of the trains and controls the operation automatically, the wireless communication network of the CBTC is used as the transmission path of the signal indicating the occurrence of the emergency situation. As a result, it is possible to make a target transmission to a specific train related to an emergency occurring, and not to be limited in the transmission distance, and to make the situation easy, accurate, and safe through the management station.

Description

TELEMETERING TRAIN PROTECTOR USING CBTC}

The present invention relates to a wireless system for protecting a train that informs trains running around the train in an emergency situation, and in particular, a COMMUNICATION BASED TRAIN CONTROL SYSTEM (hereinafter referred to as 'CBTC'). By using the wireless communication network (Wireless LAN) of the train to inform the surrounding train emergency situation, it is possible to transmit the signal to the target train (TARGET) train to receive the emergency situation, there is no restriction on the transmission distance, To be accurate and easy to grasp.

It uses and improves its own pre-registered Korean Patent No. 175108, 'Protection wireless device for trains', and its own prior application, Korean Patent Application No. 2000-61242, 'Automatic train control system using wireless communication and its control method'. It is about an improvement plan.

As shown in Fig. 1, the self-registered invention 'train protection radio device' includes an emergency signal generator 11 for generating an alarm sound indicating that an emergency situation has occurred, when the user requests it, and The transmitter 12 which transmits the emergency signal generated by the emergency signal generator 11 and the train which limits the distance that the emergency signal can reach may be located at a distance excluding a predetermined short distance from the point where an emergency situation occurs. A transmission output adjusting unit 13 for adjusting a transmission output so that an emergency signal is not reached; A timer unit 15 for stopping an emergency signal transmission operation after a predetermined time so that an emergency signal can be sent only for a predetermined time to recognize a danger in another train, and installed in a train operating the same line when an emergency signal is transmitted. A transmitter (10) configured to generate an emergency signal such as an alarm sound indicating that an emergency situation has occurred, comprising a recognition code attaching unit (16) for assigning a recognition code so that only a specific receiver can receive a signal;

The signal received by the receiver 21 is connected to the receiver 21 receiving the signal transmitted from the transmitter 10 and the recognition code included in the received signal by being connected to an output terminal of the receiver 21. In the case of a signal transmitted to a local station receiver by determining whether the signal is transmitted to a receiver, the recognition code detector 22 outputs the received signal in the following process and the output terminal of the recognition code detector 22 is connected. When there is an output of the recognition code detection unit 22, the emergency signal detection unit 23 for detecting whether the signal received through the receiving unit 21 is a signal indicating an emergency situation, and the output terminal of the emergency signal detection unit 23 Is connected to the emergency signal detection unit 23 when the signal indicating that the emergency signal is detected is output is composed of an emergency situation display unit 25 for indicating that the signal indicating the emergency situation has been received An emergency signal receiver 20 is configured to receive a signal transmitted from the transmitter 10 and perform a predetermined process to recognize a train driver that a signal indicating an emergency situation has been received.

Such a pre-registered invention of the person, when urgent help to other trains or outside, or urgently to inform the danger for the safe operation of other trains, a signal indicating this is generated through the emergency signal generation unit (11) When the transmission through the transmission unit 12, this received by the emergency signal receiver 20 to indicate, thereby quickly dealing with the occurrence of an emergency situation.

However, in the above-described invention of own registration as described above, when the emergency signal is generated, the signal generation range is limited to the transmission output of the transmission unit 12, and therefore, first, an emergency situation is indicated to all trains within the area covered by the transmission output. There is a problem that a signal is transmitted to cause more confusion than necessary. Second, there is a problem that it is not easy to identify a train that has generated an emergency signal. Third, if a train does not exist in an area encompassing a transmission output, an emergency situation occurs. Fourth, there is a problem that can not effectively transmit information about the fourth, there is a problem that can not determine whether the emergency signal is received in the train that should receive the emergency signal, and fifth, emergency signal using a wireless communication that is not guaranteed reliability The emergency signal due to radio shade area or other obstacles If transferred, or not received, there were no such problems can notify the occurrence of emergency situations.

For example, in a place where a lot of trains operate around, such as around a station or a railroad crossing, even if an emergency signal is generated, the identification of the generated train is not easy, and the signal is transmitted to more than necessary trains. There is a problem that confusion about this, on the contrary, if there is no train in the emergency signal transmission range, there is a problem that can not be notified even if an emergency situation occurs, and radio obstacles such as tunnels, buildings, and mountainous areas exist. When a train exists in an area or a radio shading area, there is a problem in that it is not possible to wirelessly transmit a signal indicating an emergency situation.

Meanwhile, the Korean patent application No. 2000-61242, 'Automatic train control system using wireless communication and its control method', which is a prior invention of the applicant, is installed along a track, as shown in FIGS. A plurality of base stations 31 which perform wireless communication for detecting a signal and wirelessly transmit information on a target driving speed and a driving of the train; Grouping two or more base stations 31 to manage and control the operation, detect the current position of the train using the radio wave transmission time between the base station 31 and the train, calculate the target driving speed and transmit it, One or more control stations (32) for transmitting information on the operating speed and track occupancy state of the train in the control station and information on train operation; A wireless communication system 30 comprising a management station 33 which concentrates data of one or more control stations 32 to perform status reporting, train tracking, management, and control functions for the entire train operation;

A mobile station 41 for receiving and retransmitting a signal for position detection transmitted from the base station 31 and receiving target train speed, train operation information, etc. of the train; A speed detector 48 attached to the wheel side of the train for detecting an actual running speed (current speed) of the train; If an error occurs in the operation of each component of the train, or if the speed of the train does not reach the target running speed for a certain time, or if a signal is input indicating that the signal transmission is poor, an alarm signal is generated. An alarm signal generator 44; A speed control unit 47 operated by a predetermined control signal to accelerate or decelerate the train; A database unit 49 for storing information on train operation records, track state information, and the like; A driving state display unit 45 for displaying a distance from the preceding train, a current driving speed, a target driving speed, and a state of each component of the train; An operation switch unit 46 for inputting a driver's operation command; The database unit 49, the speed detector 48, the alarm signal generator 44, the display unit 45, the speed control unit 47, and the operation switch unit 46 is connected, first, Comparing the target operating speed of the train received through the mobile station 41 and the actual speed of the train detected by the speed detector 48 to control the running speed of the train through the speed controller 47, and secondly, The distance to the train, the current driving speed, the target driving speed, and the state of each component of the train are indicated through the operation state display unit 45. Third, an abnormality occurs in the operation of each component of the train or a predetermined time elapses. If the actual speed of the train does not reach the target running speed, the control signal is output through the alarm signal generating unit 44, and fourth, the driver's operation command input through the operation switch unit 46 is performed. Fifth, the A microcomputer 43 for controlling the driving record; The train control system 40 is connected to the microcomputer 43 and the mobile station 41 and includes an interface unit 42 for interfacing the mobile station 41 to the microcomputer 43.

As shown in Fig. 4, the present invention of the present invention uses the radio wave transmission time between the base station 31 and the mobile station 41 to calculate the distance between the current train and the preceding train to control the control station 32 and the management station. A target driving speed calculation transmission step (S11) for transmitting to (33), calculating a target driving speed of the current train according to the calculation result, and transmitting the target driving speed to the mobile station 41; A train operation information transmitting step (S12) of continuously detecting whether the train operation information exists and transmitting the train operation information to the mobile station 41 through the base station 31; Performs a status report, train tracking, control, and management function of the operation state of the trains transmitted through each control station 32, and the train station information is transmitted to the mobile station 41 via the control station 32 and the base station 31. Wireless communication system control step (S10) consisting of a management international language step (S13) to transmit to),

A speed control function is performed to accelerate and decelerate the speed of the train so that the actual speed of the train detected by the speed detector 48 becomes the target running speed received through the mobile station 41, and a predetermined time elapses. If the actual speed of the train does not reach the target running speed, or the operation of each component of the train is not normal, or if the signal transmission status with the base station 31 is not normal, it performs an alarm function to alert it. In addition, the operation state of the train is displayed through the operation state display unit 45, and the train control system control step (S20) of storing the database unit 49 is performed to control the operation of the train.

That is, the position of the current train is calculated from the radio wave transmission time between the radio communication system 30 installed on the side of the track and the train control system 40 installed on the train, and the amount of the current train is calculated from the calculated position of the current train and the position of the preceding train. After calculating the distance between the train and the target driving speed of the current train, the calculated driving speed of the train was transmitted to the train control system to control the operation of the train.

However, in the case of the invention of the applicant's own application as described above, the main purpose is to detect the track occupancy state of the train and to control the train automatically according to the track occupancy state. There was a problem in that the pre-registered inventors of the train protection radio to be installed separately in the train to transmit the situation.

An object of the present invention is to solve the conventional problems as described above, in particular, by transmitting a signal for the occurrence of an emergency situation using a reliable CBTC wireless communication network, it is possible to target transmission for a specific train It is to provide a 'railway protection wireless system using CBTC' which is safe, accurate and easy to understand.

That is, after installing the device for transmitting and receiving the emergency situation in the CBTC which keeps track of the position of the trains and controls the operation automatically, the wireless communication network of the CBTC is used as the transmission path of the signal indicating the occurrence of the emergency situation. As a result, it is possible to make a target transmission to a specific train related to an emergency occurring, and not to be limited in the transmission distance, and to make the situation easy, accurate, and safe through the management station.

1 is a block diagram showing the configuration of a conventional train protection radio,

2 is a block diagram showing the configuration of a wireless communication system of the configuration of the CBTC,

Figure 3 is a block diagram showing the configuration of the train control system of the configuration of the CBTC,

4 is a control flow diagram illustrating a control method of a CBTC;

Figure 5 is a block diagram showing the configuration of the present invention 'guardian radio system using CBT',

Figure 6 is a control flow diagram showing a control method of the present invention 'guardian radio system using CB'.

Explanation of symbols on the main parts of the drawings

110: wireless communication system 111: base station

112: control station 113: control station

120: train control system 121: mobile station

122: interface unit 123: microcomputer

124: alarm signal generating unit 125: driving status display unit

126: database unit 127: speed control unit

128: speed detector 129: operation switch unit

130: emergency situation display unit 140: emergency signal generation control unit

S110: emergency situation display step S120: emergency situation display step

S130: management station transmission step S140: target train selection step

S150: target train transmission step S160: situation display step

In order to achieve the above object, the present invention 'CBTC (train protection wireless system using CBTC)' is installed along a line and performs a wireless communication by grouping a plurality of base stations and two or more base stations to perform wireless communication. It consists of a control station that manages and controls its operation, and a control station that manages and controls the overall train operation by concentrating the data of each control station. Using the radio transmission time with the train to detect the current position of the train, second, calculate and transmit the target operating speed of the train, and third, to perform the status report, train tracking, management and control functions for the overall train operation Fourth, when a signal indicating that an emergency has occurred is transmitted to the train, the train, its location and surroundings where the emergency has occurred Wireless communication that detects and displays the operating status of trains to be carried out, notifies trains that are at risk of collision or collision due to trains in which an emergency occurred, and informs trains that are easy to rectify the emergency situation. System;

An emergency signal generation control unit which is operated by a user and outputs a signal indicating that an emergency has occurred in the train;

An emergency situation display unit which is operated by a predetermined control signal and displays an emergency situation occurring in the train or another train;

Mobile station performing wireless communication with the base station, speed detector for detecting the speed of the train, alarm signal generator for generating an alarm signal, speed controller for accelerating or decelerating the speed of the train, information on train operation record And a database unit for storing information on track conditions, an operation switch unit for inputting a driver's operation command, a driving state display unit for displaying information on the driving state of the train, and managing and controlling the operation of each unit. It comprises a microcomputer and an interface unit for interfacing the mobile station to the microcomputer. First, comparing the target operating speed of the train received through the mobile station with the actual speed of the train detected by the speed detector, the speed of the train is controlled by the speed controller. Second, the distance from the preceding train, the current operating speed, the target operating speed, State is displayed through the operation status display section. Third, it indicates that the actual speed of the train does not reach the target running speed or the signal transmission state is poor, such that an error occurs in the operation of each train component or a predetermined time elapses. When a signal is input, it controls to output a signal indicating this through the alarm signal generation unit, fourth, performs a driver's operation command input through the operation switch unit, and fifth, controls the driving record of the train, sixth, When a signal indicating that an emergency situation has occurred is input to the train by the emergency occurrence control unit, the emergency situation display unit is controlled to indicate that an emergency situation has occurred, and an emergency situation is generated through a mobile communication system through a mobile station. Seventh, emergency of other trains When the indicating signal is received over a wireless communication system and a mobile station, and a control system configured to include a train that indicate this by controlling the operation of an emergency, the display characterized in that on the technical configuration.

The emergency signal generation control unit may include a plurality of emergency situation generation switches for outputting different signals, and may be configured to distinguish and output each emergency situation occurring in a train.

For example, when the types of emergency situations that can occur in a train are classified into 'fire', 'emergency', 'fault', and 'danger', the four emergency situations corresponding to the above four situations are generated. After the switch is in place, each of them outputs a different signal so that the microcomputer of the train control system can identify it.

At this time, the four emergency generating switches can be configured by connecting each of the emergency generating switches to respective input terminals when the input terminal of the microcomputer is sufficient, and the key matrix when the input terminal of the microcomputer is not sufficient. (KEY MATRIX) can be configured to input distinct signals to the microcomputer. Then, the microcomputer can distinguish each input signal and transmit the corresponding emergency signal to another train through the wireless communication system. At this time, it is of course to show the type of the emergency situation generated emergency section.

The emergency situation display unit includes: a visual display device for visually displaying the generated emergency situation; It is characterized in that it comprises an auditory display device that represents audibly.

For example, the visual display device may be configured by selectively combining a liquid crystal display device, a monitor, a warning lamp, a lamp, and the like, and the auditory display device may be configured by combining a speaker of an alarm sound generating circuit.

In this case, the auditory display device may use an alarm signal generator of a train control system.

On the other hand, the train protection wireless system using CBTC configured as described above detects whether or not a signal indicating an emergency occurring in another train is received by the train control system via a wireless communication system. An emergency situation display step of displaying information on an emergency situation transmitted from another train in an emergency situation display unit when it is determined that a signal indicating an emergency situation occurred in a train is received; If it is determined that a signal indicating an emergency transmitted from another train is not received as a result of performing the emergency reception display step, it is detected whether an emergency signal is input from the emergency signal generation control unit of the corresponding train. If it is determined that an emergency signal has not been inputted, the display returns to the emergency reception display step. If it is determined that an emergency signal has been inputted, information on the occurrence of an emergency is displayed on the emergency display. An emergency situation display step; A management station transmitting step of transmitting a signal indicating an emergency occurring in the train to a management station of a wireless communication system after performing the emergency occurrence display step; After performing the control station transmission step, under the control of the control station, the data on the emergency situation, the data on the emergency situation, and the data about the trains running around the train where the emergency situation occurred collected emergency signal A target train selection step of selecting trains to be transmitted; The target train selection step is performed to sequentially perform a target train transmission step of transmitting a signal indicating an emergency situation to selected trains.

At this time, the information on the occurrence of the emergency situation displayed in the emergency situation display step, the train or the train in which the emergency situation, or the contents of the emergency situation (eg fire, first aid, failure, distress, etc.) It is characterized in that it is made by selectively combining.

In addition, when selecting a train that transmits an emergency in the target train selection step, whether the train is a collision or collision due to the train in which the emergency occurred, and the ability to respond most closely to the generated emergency. It is characterized by selecting whether the train having a review.

For example, whether the trains that run on the same track as the emergency trains are operated after the emergency trains and whether there is a risk of collision due to train derailment. And determining whether the train is capable of effectively coping with the emergency, and selecting a train satisfying the above conditions as a target train.

At this time, whether the train has a risk of collision or collision is judged from the operating status (track occupancy status) of the train detected by the management station, and whether or not it has the ability to effectively cope with the emergency has occurred. , Emergency, breakdown, distress, etc.) and the equipment or personnel to resolve them, whether the train is loaded or boarded.

In addition, the data on the train in which the emergency occurred, refers to the type of train (eg, passenger cars, wagons, locomotives, high-speed rail, subway, etc.) and the location where the emergency occurred, etc. Data means the type of emergency that occurred (eg fire, first aid, breakdown, distress, etc.).

In addition, the data on the train running around the emergency situation, the data refers to the operating state of the trains running around the emergency situation of the train literally. For reference, data on the operating state of trains running around an emergency train can be easily obtained from the basic operation of the CBTC. In other words, the CBTC's management station grasps and holds the operation status of all trains operated under the control of the CBTC, so that the CBTC can easily obtain the information. By selecting information about other trains from CBTC and selecting the target train that can respond most appropriately to the emergency situation of the train in which an emergency occurred, and generating an emergency signal only to the selected target train, interrupting the operation of other trains. You can handle emergency situations without having to.

In addition, after performing the target train selection step or the target train transmission step, it is characterized in that it further comprises a status display step for indicating the emergency situation of the train and its surroundings and the coping situation through the display device of the management station It is done.

In other words, it is easy to identify the emergency situation caused by indicating the operation state of the train and the neighboring trains and the countermeasures for the emergency situation on the display device of the management station.

The train protection wireless system using the CBTC, which is constructed as described above, is particularly notified of emergency situations by informing trains of emergency situations occurring in trains using CBTC's reliable wireless communication network. Signal transmission is possible for the target train to be received, there is no limit on the transmission distance, it is safe, accurate and easy to understand the situation.

Hereinafter, the technical idea of the present invention 'CBTC (train protection wireless system using CBTC) configured as described in detail with reference to the embodiment as follows.

<Embodiment> In this embodiment, four types of emergency situations that may occur in the emergency signal generation control unit are classified into four types: fire, first aid, failure, and distress.

Therefore, the emergency signal generation control unit is provided with four different switches.

In addition, in the present embodiment, the time display device of the emergency situation display unit is composed of a liquid crystal display device and a driving device thereof so as to display the train, the type of train, the distance to the train, the type of emergency situation, etc. The audible display device is composed of a known alarm sound generating device for generating an alarm sound.

In addition, in the present embodiment, after performing the target train transmission step, the situation display step is performed to indicate the situation of an emergency situation through the display device of the management station.

Hereinafter, the configuration of the present embodiment in detail as follows.

First, as shown in FIG. 5, after connecting the emergency situation display unit 130 and the emergency signal generation control unit 140 to the microcomputer 123 of the train control system 120, the emergency signal generation control unit 140 is connected. When a signal indicating an emergency is input, it is transmitted to the base station 111 of the wireless communication system 110 through the interface unit 122 and the mobile station 121 and programmed to indicate this through the emergency display unit 130. When the mobile station 121 receives a signal indicating the emergency situation of another train transmitted from the management station 113, the mobile station 121 is programmed to display it on the emergency situation display unit 130.

At this time, each of the switches indicating 'fire', 'emergency', 'fault', 'comfort' provided in the emergency signal generation control unit 140 is independently connected to each of the external input terminals of the microcomputer 123, or A key matrix is formed to output a specific signal representing each of the above situations. In addition, the microcomputer 123 distinguishes the types of signals input from the emergency signal generation control unit 140 to generate the corresponding control signals.

Here, a technology for distinguishing each emergency situation by connecting a switch to each external terminal of the microcomputer 123, or a technique for generating and distinguishing a series of signals consisting of a key matrix is well known. Omit.

In the figure, reference numeral 124 denotes an alarm signal generator, 125 denotes a driving state display unit, 126 denotes a database unit, 127 denotes a speed control unit, 128 denotes a speed detector, and 129 denotes a Each operation switch part is shown.

On the other hand, the wireless communication system, if a signal indicating the occurrence of an emergency situation is received by the base station 111 to program it to transmit to the management station 113 through the control station 112.

At this time, the control station 112 transmits the location of the train detected by the control logic of the CBTC to the management station 113 together.

In addition, when the control station 113 transmits a signal indicating an emergency situation through the control station 112, the management station 113 indicates this to a display device (for example, a screen, a screen projector, a monitor, etc.) (not shown), and an emergency situation occurs. Trains that can identify the location, type, type of emergency situation, and operating conditions of the trains running around, select trains with a risk of collision and collision, and at the same time, effectively train emergency situations. Program to select This is possible by inquiring the train history which is databased in the wireless communication system.

In addition, after selecting trains that may be collided and collided due to the trains having an emergency situation and trains that can effectively rectify, the control station provides a signal indicating that an emergency situation has occurred to the selected trains. Program to transmit through the 112 and the base station 111. In this case, the transmitted signal is to transmit information on the type of emergency and the type and location of the train in which the emergency occurred, the occurrence time, the distance and the like.

Hereinafter, the operation of the present embodiment configured as described above will be described in detail.

First, the microcomputer 123 of the train control system 120 receives a signal indicating an emergency occurring in another train via the control station 113, the control station 112, and the base station 111 of the wireless communication system 110. When it is determined whether the mobile station 121 receives the signal, and when it is determined that a signal indicating an emergency situation of another train is received, the operation of the emergency situation display unit 130 is controlled to control the operation of the liquid crystal display device (not shown). To indicate the type, time of occurrence, distance, type of emergency, etc. of the train on which an emergency occurred, and to display it as an audible (eg alarm sound) through an auditory display device (not shown). The reception display step S110 is performed.

When it is determined that a signal indicating an emergency situation is not received as a result of performing the emergency situation display step S110, the microcomputer 123 performs the emergency situation occurrence display step S120 to perform the emergency signal generation control unit 140. Detects whether one of the emergency signal generating switches ('fire', 'emergency', 'accident', 'severe') is pressed (i.e., whether an emergency signal has been input) If it is determined that the emergency signal is not input, the process returns to the emergency receiving display step (S110), and if it is determined that the emergency signal is input, the emergency situation display unit 140 returns the emergency signal. Will be displayed.

At this time, after the emergency situation display step (S120) as a result of the emergency situation occurs on the train and displays it, a signal indicating the emergency situation through the interface unit 122 and the mobile station 121 wireless communication system The management station transmitting step (S130) of transmitting to the management station 113 of 110 is performed.

Then, the wireless communication system 110 receives the signal indicating the emergency situation transmitted to the management station 113 through the base station 111 and the control station 112, the data on the train in which the emergency situation, and the emergency situation Collecting the data for and the data about the trains running around the train in which the emergency occurs, and performs a target train selection step (S140) for selecting a train to transmit the received emergency occurrence signal.

In addition, after selecting the train indicating the emergency situation by performing the target train selection step (S140), the target train transmission step (S140) for transmitting a signal indicating the emergency situation to the selected trains.

After performing the target train transmission step (S140) and transmitting a signal indicating an emergency situation to the selected target trains, a situation in which the overall progress of the emergency situation is displayed through the display device of the management station 113 The display step S160 is performed.

That is, it receives the emergency occurrence signal transmitted from the train where the emergency occurred and receives it ?? After selecting a train, wirelessly transmits a signal indicating that an emergency has occurred only for the selected train, and therefore, it is possible to safely and accurately transmit a signal indicating an emergency only to a target train, and also to select a train. Even if it is possible to cope without being limited by distance, it is possible to effectively cope with the emergency situation.

In addition, after dealing with the emergency situation, it is shown through the display device of the management station to facilitate the situation grasp.

In other words, through the CBTC and the reliable CBTC wireless communication network, the signal indicating the emergency situation is transmitted, and the configuration is simplified, and the emergency signal can be transmitted only to the target train safely and accurately. It is possible to prevent the situation, and to easily grasp the situation about the emergency that occurred, and to cope with it quickly and effectively.

However, in the above embodiment, the emergency signal generation control unit is divided into four switches and connected to the microcomputer of the train control system directly or through a key matrix method, but operated within the scope not departing from the technical idea of the present invention. Note that it is possible to configure a key operation switch circuit for generating a separate output signal in or use a separate microcomputer to operate it.

For example, a circuit for generating different signals may be configured according to each pressurized switch, or different signals may be output using a microcomputer.

In addition, in the above embodiment, the emergency signal generation control unit has been described with four switches for outputting four different signals, but the technical idea of the present invention is not limited to the four. That is, depending on the situation, the type of emergency can be further subdivided or limited to one.

As described above, the present invention 'CBTC (train protection wireless system using CBTC)', in particular, for the emergency transmission and reception of the emergency situation to the CBTC to automatically grasp the position of the train on the track and automatically control its operation After the device is installed, the reliable CBTC wireless communication network is used as a transmission path for signals indicating an emergency occurrence, so that target transmission is possible for a specific train related to the emergency occurrence, It is not restricted, and it is easy to grasp the situation through the management office, and the effect is that the transmission is made securely.

Claims (2)

A plurality of base stations installed along the line for performing wireless communication, a control station for grouping two or more base stations to manage and control the operation through wireless communication, and centralizing data of each control station It consists of a management station that performs management and control, and establishes a wireless communication network. First, it detects the location of the current train by using radio wave transmission time between the base station and the train. Third, if the situation reporting, train tracking, management and control functions for the overall train operation is performed, and the signal indicating that an emergency has occurred in the train is transmitted, Detects and displays the location and operating status of trains running around, and crashes due to trains in which an emergency occurred The wireless communication system and notify the risks of a conflict trains, notify a probation easy for the event of an emergency and the train; An emergency signal generation control unit which is operated by a user and outputs a signal indicating that an emergency has occurred in the train; An emergency situation display unit which is operated by a predetermined control signal and displays an emergency situation occurring in the train or another train; Mobile station performing wireless communication with the base station, speed detector for detecting the speed of the train, alarm signal generator for generating an alarm signal, speed controller for accelerating or decelerating the speed of the train, information on train operation record And a database unit for storing information on track conditions, an operation switch unit for inputting a driver's operation command, a driving state display unit for displaying information on the driving state of the train, and managing and controlling the operation of each unit. It comprises a microcomputer and an interface unit for interfacing the mobile station to the microcomputer. First, comparing the target operating speed of the train received through the mobile station with the actual speed of the train detected by the speed detector, the speed of the train is controlled by the speed controller. Second, the distance from the preceding train, the current operating speed, the target operating speed, State is displayed through the operation status display section. Third, it indicates that the actual speed of the train does not reach the target running speed or the signal transmission state is poor, such that an error occurs in the operation of each train component or a predetermined time elapses. When a signal is input, it controls to output a signal indicating this through the alarm signal generation unit, fourth, performs a driver's operation command input through the operation switch unit, and fifth, controls the driving record of the train, sixth, When a signal indicating that an emergency situation has occurred is input to the train by the emergency occurrence control unit, the emergency situation display unit is controlled to indicate that an emergency situation has occurred, and an emergency situation is generated through a mobile communication system through a mobile station. Seventh, emergency of other trains Representing signal is a wireless communication system and if it is received over the mobile station, the wireless train protection system using a seed BTC characterized in that the train control system including adapted to indicate this by controlling the operation of an emergency display section. The method of claim 1, wherein the emergency signal generation control unit, comprising a plurality of emergency situation generation switch for outputting different signals, characterized in that configured to be able to distinguish and output each emergency situation occurring in the train A train protection wireless system using CBT.