JP3273541B2 - Vehicle control ground device and vehicle control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle control ground apparatus for transmitting and receiving control signals to and from a vehicle.

[0002]

2. Description of the Related Art For example, a conventional vehicle control ground apparatus for transmitting and receiving signals to and from a linear motor has a guide line and two relay devices in sections sequentially set along the traveling direction of the vehicle. Are provided. The guide line is provided along the traveling direction of the vehicle, and is electromagnetically coupled to an on-board element of an on-board device provided in the vehicle. The length of the guide line is generally set to about 3 km in consideration of the transmission capability of the control signal and the like. Each of the relay devices is individually connected to both ends of the guide line, and supplies a signal to be transmitted from the ground side to the vehicle side to the guide line,
A signal transmitted from the vehicle upper side to the ground side is received via a guide line.

[0003] Of the two relay devices provided in each section,
One of the relay devices receiving the control command from the central processing unit,
A signal assigned to each section is transmitted to the guide line, and the received signal is converted into data and transmitted to the central processing unit.

The relay devices in each section constitute a standby dual system, and when a failure is detected in one of the relay devices, the central processing unit supplies a control command to the other relay device, and the relay device in one of the relay devices issues a control command. Switch from the device to the other relay device.

[0005] Each relay device itself does not have a power supply, and power is supplied via a cable. The central device and each relay device are connected by an optical LAN. The optical LAN is laid together with the power cable from the first section to the last section, and is led to a relay device provided at the last end of the last section.

One of the problems of the prior art described above is that, although relaying to another section is no longer necessary at the last end of the last section, another relay device is provided at the last end of the last section. Is provided, it is necessary to guide the optical LAN and the power cable to the relay device provided at the last end of the last section, which increases the equipment cost. That is.

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an inexpensive vehicle control ground apparatus and a vehicle control apparatus that maintain the reliability of a signal transmission system while taking into account the operating density of a line section. is there.

Another object of the present invention is to provide a vehicle control ground device and a vehicle control device that can facilitate installation work.

[0009]

In order to solve the above-mentioned problems, a vehicle control ground apparatus according to the present invention transmits / receives data to / from a vehicle in each of a plurality of sections provided along the traveling direction of the vehicle. Used to do.

[0010] At least one of the sections includes a guide line,
It includes a relay device and a monitoring device. The guide wire is
It is provided along the traveling direction of the vehicle, and is electromagnetically coupled to an on-board element of an on-board device provided in the vehicle.

[0011] The relay device is connected to one end of the guide wire, transmits and receives signals to and from the on-board device by electromagnetic coupling with the guide wire and the vehicle arm, and further provides a check signal for monitoring. Is supplied to the guide line, and a transmission system including the guide line is diagnosed in accordance with the presence or absence of a detection signal transmitted from the monitoring device.

The monitoring device is connected to the other end of the guide wire, receives the inspection signal or the transmission / reception signal supplied to the guide wire, and rectifies and smoothes the received signal to generate an internal power supply. When the reception level of the check signal is equal to or higher than a predetermined value, the detection signal indicating that the check signal has been received is supplied to the guide wire.

As described above, the guide line is provided along the traveling direction of the vehicle, and is electromagnetically coupled to the on-board element of the on-board device provided in the vehicle. The relay device is connected to one end side of the guide wire, and performs transmission and reception with the on-board device by electromagnetic coupling with the guide wire and the vehicle body. For this reason, various types of information can be transmitted and received between the ground and the vehicle.

The monitoring device is connected to the other end of the guide wire,
An inspection signal or a transmission / reception signal supplied to the induction wire is received, and the received signal is rectified and smoothed to generate an internal power supply.
Therefore, there is no need to supply power to the monitoring device from the outside, and a power cable can be omitted and cost can be reduced.

The relay device supplies an inspection signal for monitoring to the guide line. When the reception level of the inspection signal is equal to or higher than a predetermined value, the monitoring device supplies a detection signal indicating that the inspection signal has been received to the guide wire. The relay device diagnoses the transmission system including the guide line according to the presence or absence of the detection signal transmitted from the monitoring device. For this reason, the relay device, when the detection signal is not obtained despite the transmission of the inspection signal, the disconnection between the relay device and the guide wire, the disconnection between the guide wire and the monitoring device, or the guide wire. It can be determined that a failure such as disconnection has occurred.

Further, since the monitoring device supplies the detection signal to the guide wire, it is not necessary to lay a signal transmission optical fiber in the monitoring device.

As described above, the failure of the signal transmission system including the guide line can be detected by the combination of the relay device and the monitoring device.
Therefore, it is not necessary to lay an optical fiber cable for this purpose, and it is possible to obtain an inexpensive vehicle control ground apparatus in consideration of the operation density of the line section while maintaining the reliability of the signal transmission system.

The section to which the monitoring device is connected is the last section when viewed on the route of the vehicle. The relay device provided as a pair with the monitoring device is provided on the side adjacent to the section immediately before this final section.

The present invention is effective in simplifying ground facilities in the last section of each line section or the last section of a branch line provided radially around a specific station.
In such a section, the installation work of the ground equipment can be facilitated and the cost can be reduced.

The vehicle control device according to the present invention includes a ground device and an on-board device. The ground device is constituted by the above-described vehicle control ground device according to the present invention. The on-vehicle device transmits and receives signals to and from the ground device.
Therefore, a vehicle control device having all of the advantages and features of the vehicle control ground device according to the present invention is obtained.

The other features of the present invention and the operation and effect thereof will be described in more detail with reference to the accompanying drawings.

[0022]

FIG. 1 is a block diagram showing a configuration of a vehicle control ground apparatus and a vehicle control apparatus according to the present invention. The vehicle control ground device according to the present invention includes a plurality of m sections 11 to 1 m provided along the traveling direction a of the vehicle 6, and in each of the sections 11 to 1 m, a signal F1 between the section 11 and the vehicle 6 is provided. F2 transmission / reception is performed. Sections 11-1 (m-
1) is a guide line 2 arranged along the traveling direction a of the vehicle 6.
1 to 2 (m-1), and relay devices 311 to 31n are provided at both ends of the guide wires 21 to 2 (m-1). Relay device 311
31n have substantially the same configuration and are connected by an optical LAN 51. Two relay devices included in the sections 11 to 1 (m-1), for example, the relay device 31 included in the section 2 (m-1)
(n-1) and the relay device 31n constitute a standby duplex system as in the conventional case. The signals F1 and F2 can include various types of information required for transmission and reception between the ground and the vehicle.

At least one of the sections 11 to 1m, for example, the section 1m includes the guide line 2m, the relay device 32, and the monitoring device 42. The section 1m is usually the last section. The guide line 2m is provided along the traveling direction a of the vehicle 6 and is electromagnetically coupled to an on-board element 71 of an on-board device 72 provided on the vehicle 6.

The relay device 32 is connected to one end of the guide line 2m adjacent to the section 1 (m-1), supplies a signal F1 from the ground side to the vehicle upper side to the guide line 2m, To the ground side. The frequencies of the signals F1 and F2 are generally given at different frequencies in order to prevent interference between the two. The relay device 32 also receives the check signal S1.
Is supplied to the guide line 2m, and the transmission system including the guide line 2m is diagnosed according to the presence or absence of the detection signal S2 transmitted from the monitoring device 42.

The monitoring device 42 is connected to the other end of the guide line 2m and receives the inspection signal S1 or the signals F1 and F2 supplied to the guide line 2m. Then, the received signal is rectified and smoothed to generate an internal power supply. The monitoring device 42 also
When the reception level of the reference signal S1 is equal to or higher than a predetermined value, a detection signal S2 indicating that the reference signal S1 has been received.
Is supplied to the guide wire 2m.

Section 1 (m-1), which is one section before section 1m,
The guide line 2 (m-1), the relay device 31n, and the relay device 31 (n-
1) is included. As described above, the relay device 31n and the relay device 31 (n-1) form a standby duplex system in the section 1 (m-1). The relay device 31n is connected to one end of the guide line 2 (m-1), supplies a signal F1 from the ground side to the vehicle upper side to the guide line 2 (m-1), and is transmitted from the vehicle upper side to the ground side. Received signal F2, and performs transmission / reception processing of signals F1 and F2. The relay device 31n sends the check signal S1 to the guide line 2 (m-1).
Supply. The relay device 31 (n-1) outputs the check signal S1 when the reception level of the check signal S1 is equal to or higher than a predetermined value.
1 to the central processing unit 5
To be transmitted.

As described above, the guide wire 2m is provided along the traveling direction a of the vehicle 6, and is electromagnetically coupled to the upper armature 71 provided on the vehicle 6. The relay device 32 is connected to one end of the guide line 2m, supplies a signal F1 to be transmitted from the ground side to the vehicle upper side to the guide line 2m, receives a signal F2 from the vehicle upper side to the ground side, and receives a signal F1. , F2. Therefore, in the section 1m, transmission and reception of the signals F1 and F2 can be performed between the ground and the vehicle.

The relay device 32 transmits the check signal S1 to the guide line 2
m. The monitoring device 42 is connected to the other end of the guide wire 2m, receives the inspection signal S1 or the signals F1 and F2 supplied to the guide wire 2m, and rectifies and smoothes the received signal to generate an internal power supply. For this reason, a power cable for supplying power from the outside to the monitoring device 42 is not required, and the equipment cost is reduced, and the installation work of the monitoring device 42 is facilitated.

The relay device 32 transmits the check signal S1 to the guide line 2
m. When the reception level of the check signal S1 is equal to or higher than a predetermined value, the monitoring device 42 supplies a detection signal S2 indicating that the check signal S1 has been received to the guide line 2m. The relay device 32 diagnoses the transmission system including the guide line 2m according to the presence or absence of the detection signal S2 transmitted from the monitoring device 42. Therefore, when the detection signal S2 is not obtained despite the transmission of the inspection signal S1, the relay device 32 disconnects between the relay device 32 and the guide wire 2m,
It can be determined that a failure such as a disconnection between the monitoring device 42 and the monitoring device 42 or a disconnection of the guide line 2m has occurred. Further, since the monitoring device 42 supplies the detection signal S2 to the guide wire 2m, it is not necessary to lay an optical fiber cable for signal transmission in the monitoring device 42, and the equipment cost is reduced and
The installation work of the monitoring device 42 becomes easy.

As described above, the relay device 32 can detect the failure of the signal transmission system including the guide line 2m, and the monitoring device 42 does not need to lay the power cable and the optical fiber cable. It is possible to obtain an inexpensive vehicle control ground apparatus in consideration of the operation density of the line section while maintaining the performance.

The combination of the relay device 32 and the monitoring device 42 is usually provided in the last section 1 m located at the end of the vehicle 6 when viewed on the road. For this reason, in the end sections of each line section provided radially around a specific station, the end sections of branch lines, etc., ground equipment can be simplified, installation work becomes easy, and inexpensive vehicle control can be performed. Ground equipment can be obtained.

In a specific example, the relay device 32 includes a check signal generator 321, a detection signal determiner 322, and a processor 323. The reference signal generator 321 outputs the reference signal S
1 is supplied to the guide wire 2m. The detection signal determination unit 322 includes:
When the detection signal S2 supplied from the monitoring device 42 is received, the determination signal S3 is output. When the detection signal S2 is not received, the output of the determination signal S3 is stopped. A transformer 320 is connected between the reference signal generation unit 321 and the detection signal determination unit 322 and the guide wire 2m to insulate them. The processing unit 323 diagnoses that the transmission system including the guide line 2m is normal when the determination signal S3 is supplied, and diagnoses the transmission system including the guide line 2m when the determination signal S3 is not supplied. Is diagnosed as abnormal.

The monitoring device 42 includes a power supply generating section 421, a level determining section 422, and a detection signal generating section 423.
The power generation unit 421 receives the inspection signal S1 or the signals F1 and F2 supplied to the guide wire 2m, rectifies and smoothes the received signal, and generates an internal power supply. Then, the internal power is supplied to the level determination unit 422 and the detection signal generation unit 423. The level determination unit 422 generates the level detection signal S4 when the reception level of the check signal S1 is equal to or higher than a predetermined value. The detection signal generator 423 outputs the level detection signal S
When 4 is given, a detection signal S2 indicating that the inspection signal S1 has been received is supplied to the guide line 2m. A transformer 420 is connected between the power generation unit 421 and the detection signal generation unit 423 and the induction wire 2m to insulate them. Thus, a relay device and a monitoring device having the above-described effects can be obtained.

The processing section 323 outputs an abnormality detection signal S5 when the detection signal S2 cannot be obtained when the transmission of the verification signal S1 is instructed to the verification signal generation section 321. For this reason, it is possible to notify another control device that the section 1m is in a transmission / reception disabled state.

When the central processing unit 5 receives the abnormality detection signal S5 indicating that a failure has occurred in the section 1m, the central processing unit 5 sends a control signal for preventing the vehicle 6 from entering the section 1m to another section 1 ( m-1). This prevents the vehicle 6 from entering the failed section 1m. If the vehicle 6 accidentally enters the faulty section 1m, the relay device 32 provided in the faulty section 1m cannot transmit and receive the signals F1 and F2, so that vehicle control becomes impossible. Therefore, preventing the vehicle 6 from entering the failure section 1m is important for vehicle control.

The relay device 32 further includes a terrestrial signal generator 3
24 and an on-board signal receiving unit 325. The ground signal generation unit 324 generates a signal F1 from the ground side to the vehicle upper side,
This is supplied to the guide wire 2m. Onboard signal receiving unit 325
Receives the signal F2 transmitted from the vehicle upper side to the ground side,
Decrypt. The processing unit 323 instructs the ground signal generation unit 324 to transmit the signal F1 based on the control command from the central processing unit 5, and transmits the signal F1 supplied from the on-board signal reception unit 325.
2 is transmitted to the central processing unit 5. The transmission interface unit 326 is connected to the optical LAN 51 and performs conversion between an optical signal and an electric signal.

The processing unit 323 checks the checking signal generating unit 311 when the transmission of the signal F1 from the ground side to the vehicle side is not instructed and when the signal F2 from the vehicle side to the ground side is not received. Command transmission of signal S1. According to this configuration, when a failure such as a disconnection between the relay device 32 and the guidance line 2m, a disconnection between the guidance line 2m and the monitoring device 42, or a disconnection of the guidance line 2m occurs, the failure is detected. Therefore, the reliability of the signal transmission system can be increased.

The vehicle control device according to the present invention comprises a ground device A
And an on-board device B. The ground device A includes the vehicle control ground device according to the present invention described above. On-board equipment B
Performs vehicle control based on a signal F1 from the ground side to the vehicle side, and transmits a signal F2 from the vehicle side to the ground side. The on-board device B includes an on-board element 71 and a processing unit 72. The upper armature 71 includes a vehicle antenna, receives a signal F1 from the ground side to the upper side of the vehicle, and transmits a signal F2 from the upper side to the ground side. The processing device 72 performs vehicle control based on the signal F1, and supplies a signal F2 from the vehicle upper side to the ground side to the vehicle upper body 71. Therefore, a vehicle control device having all of the advantages and features of the vehicle control ground device according to the present invention is obtained.

[0039]

As described above, according to the present invention, the following effects can be obtained. (A) It is possible to provide an inexpensive vehicle control ground device and a vehicle control device that take into account the operating density of a line section while maintaining the reliability of a signal transmission system. (B) A vehicle control ground device and a vehicle control device capable of facilitating installation work can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a vehicle control ground device and a vehicle control device according to the present invention.

[Explanation of symbols]

 12 section 22 guidance line 32 relay device 42 monitoring device 5 central processing device 6 vehicle A ground device B on-board device 71 transmitting / receiving device 72 processing device F1, F2 signal S1 check signal S2 detection signal

Claims (8)

(57) [Claims] 1. A vehicle control ground apparatus for transmitting and receiving to and from a vehicle in each of a plurality of sections provided along a traveling direction of a vehicle, wherein at least one of the sections includes a guide line. , A relay device,
A monitoring device, wherein the guide line is provided along a traveling direction of the vehicle,
The relay device is electromagnetically coupled to a vehicle arm of an on-board device provided in the vehicle, and the relay device is connected to one end of the guide wire, and is electromagnetically coupled to the guide wire and the vehicle arm. A transmission system including the guide line is transmitted / received to / from the on-vehicle device, and further supplies an inspection signal for monitoring to the guide line, and according to the presence or absence of a detection signal transmitted from the monitoring device. The monitoring device is connected to the other end of the guide wire, receives the inspection signal or the transmission / reception signal supplied to the guide wire, rectifies and smoothes the received signal, and internally performs A vehicle control ground apparatus that generates a power supply and supplies the detection signal indicating that the inspection signal has been received to the guide wire when a reception level of the inspection signal is equal to or greater than a predetermined value. 2. The ground apparatus for vehicle control according to claim 1, wherein the one section is provided in a section located at an end when viewed in a traveling direction of the vehicle, and the relay apparatus includes: A vehicle control ground device provided on the side adjacent to the adjacent section. 3. The vehicle control ground device according to claim 1, wherein the relay device includes a reference signal generation unit, a detection signal determination unit, and a processing unit, and the control unit generates the reference signal. Unit supplies the inspection signal to the guide wire, the detection signal determination unit outputs a determination signal according to the presence or absence of a detection signal supplied from the monitoring device, and the processing unit performs the guidance based on the determination signal. Diagnosis of a transmission system including a line, wherein the monitoring device includes a power generation unit, a level determination unit, and a detection signal generation unit, wherein the power generation unit generates the internal power supply. Supplying the internal power to the level determination section and the detection signal generation section, wherein the level determination section generates the level detection signal, and wherein the detection signal generation section includes the level detection signal. Is given Wherein a detection signal and supplies to the induction line vehicle control ground system. 4. The ground apparatus for vehicle control according to claim 3, wherein the processing unit cannot obtain the detection signal when instructing the inspection signal generation unit to transmit the inspection signal. In some cases, a vehicle control ground device that outputs an abnormality detection signal. 5. The ground apparatus for vehicle control according to claim 4, further comprising a central processing unit, wherein the central processing unit transmits the signal to the one section when receiving the abnormality detection signal. A vehicle control ground apparatus for supplying a signal for preventing entry of a vehicle to another section. 6. The ground device for vehicle control according to claim 5, wherein the relay device includes a ground signal generation unit and an on-board signal reception unit, wherein the ground signal generation unit includes: A signal to be transmitted from the ground side to the upper side of the vehicle is generated and supplied to the guide line.The on-board signal receiving unit receives a signal transmitted from the upper side to the ground side, and The processing unit is configured to instruct the ground signal generation unit to transmit a signal from the ground side to the vehicle upper side based on a control command from the central processing unit, and to be supplied from the on-board signal reception unit. A ground control device for transmitting a signal to the central processing unit. 7. The vehicle control ground apparatus according to claim 6, wherein the processing unit does not issue a signal transmission from the ground side to the vehicle upper side and a signal from the vehicle upper side to the ground side. A vehicle control ground apparatus for instructing the reference signal generation unit to transmit the reference signal when the control signal is not received. 8. A vehicle control device including a ground device and an on-board device, wherein the ground device comprises the vehicle control ground device according to any one of claims 1 to 7, The on-vehicle device is a vehicle control device that transmits and receives signals to and from the ground device.