JP3798411B2 - Automatic train control device - Google Patents

Description

  The present invention relates to an automatic train control device that receives train control information transmitted from a ground device to a track circuit by an on-board device mounted on the train and controls the speed of the train, in particular, a plurality of railway companies that enter each other. This relates to the facilitation of train control in the direct line operation.

  Each railway company uses a different type of automatic train stop device as shown in Non-Patent Document 1. For example, as shown in FIG. 5, the company A transmits the control information for the company A from the transmitter 30a to the track circuit by the information of the traffic light 6 etc. sent from the interlocking device 4a, and the pair of the control information mounted on the train 1 The power is received by the power receiver 31 and the speed of the train is controlled by the received control information. In company B, the control information for company B is transmitted from the transmitter 30b to the track circuit by the information on the traffic light 6 etc. sent from the interlocking device 4b, and the control information is received by a pair of power receivers 31 mounted on the train 1. The train speed is controlled by the received control information.

For this reason, the on-vehicle receiver 32a for the A company and the on-vehicle receiver 32b for the B company are provided on the train 1 that operates in the line area in which the company A and the company B enter each other for direct operation. When the train 1 travels in the section of company A, the changeover switch 33 connects the on-vehicle receiver 32a for company A to the speed controller 34, and when the train 1 travels in the section of company B, The changeover switch 33 is switched to connect the on-vehicle receiver 32b for company B to the speed control unit 34.
Overview of private railway signal security equipment Japan Railway Electrical Engineering Association, 1995

  If the on-board receiver that receives the control information for each company is installed in the train in the direct operation line where mutual entry is carried out as described above, the on-board receiver mounting space increases and the cost increases. It becomes high. In addition, when the on-vehicle receivers of each company are switched by the changeover switch, the operability is poor and an erroneous operation may occur depending on circumstances.

  In order to prevent such harmful effects and receive the control information of each company with a single on-vehicle receiver, it is necessary to unify the control contents of the companies that are in each other. However, the control content of each company differs in control content and operation handling for each company, and since the required functions are diverse, it is difficult to unify the control content of each company.

  The present invention eliminates such drawbacks, and does not unify the control contents of each company that is directly operating by mutual entry, but receives the control information of each company by one on-vehicle receiver, and makes mutual entry It is an object of the present invention to provide an automatic train control device that can control the speed of a train that operates in a line section in accordance with the control information of each company.

  The automatic train control device of the present invention has a ground device and an on-board device. The ground device has a data storage unit, a control signal generation unit, and a transmitter. The company identification information for identifying the railway company that is operating, and various types of train control information unique to the company according to the company identification information are stored, the control signal generation unit, the company identification information stored in the data storage unit, Generates a train control signal having each company identification information encoded by the track control information read from the data storage unit according to the track circuit and signal display conditions sent from the interlocking device, and the transmitter is a control signal generation unit The generated train control signal is transmitted to the track circuit, and the on-board device has a data storage unit, a receiver, a type information selection unit, a processing unit, and a speed control unit. The railroad association which is driving The control information corresponding to the identification information of each company and the various train control information of each company is stored in advance, the receiver receives the train control signal transmitted to each track circuit, and the type information selection unit is the train received by the receiver. The company identification information and the train control information included in the control signal are decoded, the control content corresponding to the decoded company identification information and the train control information is read from the data storage unit, and the control unit reads the control content read by the type information selection unit A speed pattern is calculated and created by the control unit, and the speed control unit controls the speed of the train by the speed pattern created by the processing unit.

  In addition, the data storage unit of the on-board device stores in advance the speed information corresponding to the identification information of the railway companies that are in direct operation and are in direct operation, and the various types of train control information of each company, and the type information selection unit May read the speed control information corresponding to the decoded company identification information and train control information from the data storage unit and directly send it to the speed control unit.

  This invention transmits a train control signal having company identification information from the ground device of each company to the track circuit, and the on-board device mounted on the train decodes each company identification signal included in the received train control signal, and decodes each company Since the train speed is controlled by the control content of the train control information according to the identification information, when a train that runs on a line section that is in direct access and enters a section of another company enters automatically It is possible to control the train by switching to the train control information of another company.

  In addition, since it is not necessary to provide a receiver for each company in the on-board device, the configuration of the on-board device can be simplified, and an erroneous operation when switching the receiver for each company can be prevented and the train can be run safely. Can do.

  FIG. 1 shows a section where the track circuit nT is a section of the company A, and the section of the track circuit (n + 1) T is a section of the company B. It is a block diagram which shows the structure of the automatic train control apparatus which controls the speed of the running train. As shown in the figure, the train automatic control device includes a ground device 2a of Company A connected to a track circuit of a section of Company A, a ground device 2b of Company B connected to a track circuit of a section of Company B, and a train. 1 has an on-vehicle device 3 mounted thereon. The ground devices 2a and 2b have an interlocking device 4 and a transmission device 5, respectively. The interlocking device 4 performs mutual chaining of the traffic light 6 and the switch, and sends the setting conditions of the track circuit and the traffic light 6 to the transmission device 5. The transmission device 5 transmits a train control signal to each track circuit nT, (n + 1) T according to the conditions sent from the interlock device 4, and includes a data storage unit 7, a control signal generation unit 8, and a transmitter 9.

  The company A identification information for identifying the company A and various types of train control information unique to the company A are stored in the data storage unit 7a of the transmission device 5a, and the company B identification for identifying the company B is stored in the data storage unit 7b of the transmission device 5b. Information and various types of train control information unique to Company B are stored. The control signal generation unit 8a encodes each company identification encoded by the company A identification information stored in the data storage unit 7a and the train control information read from the data storage unit 7a according to the conditions sent from the interlocking device 4a of the company A. A train control signal having information is generated and sent to the transmitter 9a. The control signal generation unit 8b encodes each company identification encoded by the B company identification information stored in the data storage unit 7b and the train control information read from the data storage unit 7b according to the conditions sent from the interlocking device 4b of the B company. A train control signal having information is generated and sent to the transmitter 9b. The transmitter 9a transmits the train control signal of Company A sent from the control signal generator 8a to the track circuit nT. The transmitter 9b transmits the train control signal of company B sent from the control signal generator 8b to the track circuit (n + 1) T.

  As shown in the block diagram of FIG. 2, the on-board device 3 mounted on the train 1 includes a data storage unit 10, a receiver 11, a type information selection unit 12, a processing unit 13, a speed detection unit 14, a speed check unit 15, and A speed control unit 16 is included. The data storage unit 10 stores in advance control information corresponding to identification information of company A and company B and various train control information of company A and company B. The receiver 11 receives the train control signal transmitted to each track circuit nT, (n + 1) T via the power receiver 17 and sends it to the type information selection unit 12. The type information selection unit 12 decodes each company identification information and the train control information included in the train control signal sent from the receiver 11, and the control contents corresponding to the decoded company identification information and the train control information are stored in the data storage unit 10. Is read out and sent to the processing unit 13. The processing unit 13 calculates and creates a speed pattern according to the sent control content, and sends it to the speed checking unit 15. The speed detection unit 14 detects the speed of the train 1 by inputting speed information from a speed generator 18 provided on the axle of the train 1. The speed check unit 15 compares the speed pattern sent from the processing unit with the speed of the train 1 detected by the speed detection unit 14. The speed control unit 16 controls the speed of the train 1 by controlling the brake device according to the check result of the speed check unit 15.

  An operation when the train 1 is controlled by the automatic train control device will be described. The control signal generation unit 8a of the transmission device 5a provided in the ground device 2a of Company A reads out the train control information from the data storage unit 7a and stores it in the data storage unit 7a according to the seed condition sent from the interlocking device 4a. An encoded train control signal 20 having company A identification information is created. Similarly, the control signal generation unit 8b of the transmission device 5b provided in the ground device 2b of Company B also reads out the train control information from the data storage unit 7b according to the seed condition sent from the interlocking device 4b, and the data storage unit 7b The encoded train control signal 20 having the B company identification information stored in is generated. The train control signal 20 includes a start bit S, data D1 to D4, and an error correction code CRC, as shown in the code signal configuration diagram of FIG. Each company identification information is encoded in data D1, track circuit ID and the like are encoded in data D2 and data D3, and train control information is encoded in data D4. The transmitters 9a and 9b transmit the train control signal 20 created by the control signal generators 8a and 8b to the track circuit nT and the track circuit (n + 1) T, respectively.

  The operation of the on-board device 3 when the train 1 is controlled by the train control signal 20 transmitted to the track circuit nT of the section of Company A and the track circuit (n + 1) T of the section of Company B is shown in the flowchart of FIG. The description will be given with reference.

  When the train 1 enters the track circuit nT, the receiver 11 mounted on the train 1 receives the train control signal 20 transmitted to the track circuit nT via the power receiver 17, and sends it to the type information selection unit 12 (step). S1). The type information selection unit 12 decodes each company identification information and train control information included in the sent train control signal 20 (step S2), and reads the A company identification information based on the decoded company identification information. Various types of train control information of company A stored in the data storage unit 10 is retrieved from the identification information, and the control content corresponding to the decoded train control information is read and sent to the processing unit 13 (step S3). The processing unit 13 calculates and creates a speed pattern according to the sent control content and sends it to the speed checking unit 15 (step S4). The speed check unit 15 compares the speed pattern sent from the processing unit with the speed of the train 1 detected by the speed detection unit 14, and sends the check result to the speed control unit 16. The speed control unit 16 controls the speed of the train 1 by controlling the brake device based on the sent verification result (step S5).

  When the train 1 advances from the track circuit nT which is the section of the company A and enters the track circuit (n + 1) T which is the section of the company B, the train control signal transmitted to the track circuit (n + 1) T is similarly displayed. B company identification information is read from each company identification information, and the train 1 is controlled by the control content according to the B company's train control information.

  In this way, the train control signals having the respective company identification information are transmitted from the ground devices 2a and 2b of each company to the track circuit nT and (n + 1) T, and the onboard device 3 mounted on the train 1 receives the train control signal received. Since each company identification signal is decoded and the speed of the train 1 is controlled according to the control contents of the train control information corresponding to the decoded company identification information, the train 1 that runs through the line area that is in direct access and is in direct operation When entering the section of company B from the section of company A, train 1 can be automatically controlled by the train control information of company B.

  In addition, since it is not necessary to provide a receiver for each company in the on-board device 3, the configuration of the on-board device 3 can be simplified, and an erroneous operation when switching the receiver for each company can be prevented to make the train 1 safe. It can be run.

  In the above description, the on-board device 3 mounted on the train 1 decodes the company identification information and the train control information included in the train control signal sent from the receiver 11 by the type information selection unit 12 and decodes the company identification information. The control content corresponding to the train control information is read from the data storage unit 10, the speed pattern is calculated by the control content read by the processing unit 13, and is created and sent to the speed check unit 15. 10 stores in advance speed control information corresponding to each company identification information and train control information, and reads out from the data storage section 10 the speed control information corresponding to each company identification information and train control information decoded by the type information selection unit 12. Then, it may be sent to the speed check unit 15.

It is a block diagram which shows the structure of an automatic train control apparatus. It is a block diagram which shows the structure of a vehicle-mounted apparatus. It is a code signal block diagram of the train control signal transmitted to a track circuit from a ground device. It is a flowchart which shows operation | movement of a vehicle-mounted apparatus. It is a block diagram which shows the structure of the conventional train control apparatus.

Explanation of symbols

1; train, 2; ground device, 3; on-vehicle device, 4; interlocking device, 5; transmission device, 6;
7; data storage unit, 8; control signal generation unit, 9; transmitter, 10; data storage unit,
11; Receiver, 12; Type information selection unit, 13; Processing unit, 14; Speed detection unit,
15; Speed check unit, 16; Speed control unit, 17; Power receiver, 18; Speed generator.

Claims (2)

A ground device and an on-vehicle device,
The ground device includes a data storage unit, a control signal generation unit, and a transmitter,
The data storage unit stores company identification information for identifying a railway company that is in direct operation by mutual entry, and various train control information unique to the company according to the company identification information, and the control signal generation unit Each company identification information encoded by the company identification information stored in the data storage unit and the track control information read from the data storage unit according to the track circuit and signal display conditions sent from the interlocking device Generate a train control signal, the transmitter transmits the train control signal generated by the control signal generation unit to the track circuit,
The on-board device includes a data storage unit, a receiver, a type information selection unit, a processing unit, and a speed control unit. And the control contents corresponding to the various train control information of each company are stored in advance, the receiver receives a train control signal transmitted to each track circuit, and the type information selection unit is the train received by the receiver. The company identification information and the train control information included in the control signal are decoded, the control contents corresponding to the decoded company identification information and the train control information are read from the data storage unit, and the processing unit is read by the type information selection unit An automatic train control device, wherein a speed pattern is calculated and created according to the control content, and the speed control unit controls the speed of the train based on the speed pattern created by the processing unit. A ground device and an on-vehicle device,
The ground device includes a data storage unit, a control signal generation unit, and a transmitter,
The data storage unit stores company identification information for identifying a railway company that is in direct operation by mutual entry, and various train control information unique to the company according to the company identification information, and the control signal generation unit Each company identification information encoded by the company identification information stored in the data storage unit and the track control information read from the data storage unit according to the track circuit and signal display conditions sent from the interlocking device Generate a train control signal, the transmitter transmits the train control signal generated by the control signal generation unit to the track circuit,
The on-board device includes a data storage unit, a receiver, a type information selection unit, and a speed control unit. Speed control information corresponding to various train control information is stored in advance, the receiver receives a train control signal transmitted to each track circuit, and the type information selection unit receives the train control signal received by the receiver. The company identification information and the train control information included in the data are decoded, the speed control information corresponding to the decoded company identification information and the train control information is read from the data storage unit, and the speed control unit is read by the type information selection unit An automatic train control device for controlling the speed of a train based on the speed control information.

Images