JPH106991A - Stop support system - Google Patents

Abstract

(57) [Summary] [Problem] To provide a simple stop support system that realizes smooth and safe getting on and off of passengers and accurate train control. A home detection sensor installed under a vehicle.
2, a receiving unit 22 detects the presence of the platform 13 by receiving a reflected wave of the infrared light radiated from the transmitting unit 21 from the platform 13 and operating the door closing circuit 24 by the control relay 23 to determine the presence of the platform. Door open / close drive unit 2
5 can be opened and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stop support system that contributes to safe and reliable train operation for passengers on a railway.

[0002]

2. Description of the Related Art At railway stations, platforms are provided for passengers to get on and off. Passengers getting on and off at positions where there is no platform are very dangerous because they have large steps on the ground. Therefore, at the station, the entrance door is always opened and closed only when the train stops at the position where the platform is located.

[0003] However, when the train length is longer than the platform length, or when the train stops at a deviated stop position from a plan, some vehicles of the train may not reach the platform. In such a case, the conductor visually checks whether the vehicle is safe and opens and closes the door.
However, there is a possibility that a mistake is always made in the visual check, and in recent years, it has become difficult for a conductor to open and close the door visually by one-man driving or unmanned driving.

[0004] In addition, when only a part of the trains on the train can reach the platform, it is necessary to open and close only the doors of the specific vehicles. However, such a device is expensive, and it is expensive in all stations. It is difficult for a temporary train or the like to correspond to the platform length. For this reason, there have been cases where the doors have to be opened and closed including vehicles that cannot be used on the platform, but there is a risk that passengers may fall.

In order to solve this problem, in order to automatically control the opening and closing of the train door according to the length of the platform of the station, an identification code indicating the platform length of the station is provided on the side of the platform of the station. A system has also been proposed in which a platform presence signal member indicating the presence of a member or a platform is provided, and these members are identified from the train. However, in the case of using the identification code member indicating the platform length of the station, the train side determines which vehicle door can be opened and closed according to the platform length from the relationship between the platform length read from the identification code member and the train length. It is necessary to store the information, and even if the information is stored, it may not be possible to cope with the case where the train is shifted from the fixed position and stopped. Also, in the case of using a platform presence signal member, if a member is provided at each position corresponding to the door, it will not be possible to respond when the train is shifted from the fixed position and stops, and members will be provided continuously over the entire length of the platform. Would be troublesome to install.

[0006] Another problem is that the height of the train floor and the height of the platform are usually lower in the latter case. However, since trains of various floor heights stop on the same platform, some trains have different heights. The step is so large that there is a risk that the passenger may trip on the step and get injured. This is because when the platform is higher than the floor of the train, the platform is always designed to be low because there is a danger of the passengers being pushed off and tripping over, and the height of the platform is set to the minimum floor of the stopped train on that line. This is because the standard is based on the surface height, so that a train with a high floor has a large step with the platform.

Further, when the platform is installed at a curved portion of the track, in order to prevent a running train car from being blown out of the curve by centrifugal force,
The track has an inward slope called cant. However, when the train stops, an error occurs between the cant and the platform height due to the inclination of the vehicle body, and there is a risk that passengers may stumble.

In such a case, the opening and closing of the door and the control of the floor height may be performed by measuring the position and height of the platform. There was no measuring means or it was expensive, and it was not practical to install it in all vehicles. Further, there is a type in which a mark member is provided at a position at a predetermined height on the side surface of the platform, which is read from the train side, and the height of the vehicle body is adjusted by supplying / exhausting an air spring of the vehicle body so as to reduce a step. However, providing the mark members on the side surfaces of the platform in this manner requires installation time and effort.

[0009] As another problem, when trains having different body widths are mixedly traveling on one route, for example, in general, the Shinkansen and the conventional line have different body widths, but the trains of the Shinkansen have a conventional train. In the case of direct driving on a line, the platform is installed according to the wider side of the vehicle body,
In this case, there is a gap between the vehicle having a narrow body and the platform, and there is a risk that passengers may fall from the gap. Conventionally, the distance between the vehicle and the platform is measured, and when the measured value is larger than a certain value, there are those that block the opening and closing of the door or issue an alarm,
This is only for the case where the vehicle stop position is not appropriate, and cannot be used for the case where trains with different body widths are mixed.

[0010] Further, as another problem, depending on the route, some trains pass through the station like express trains, but when the train approaches the station, it is up to the driver's attention to determine whether to stop at the station. The driver had to visually control the stop position empirically, which caused an erroneous passage or an overrun of the stop position. In recent years, automatic driving systems AT
O device (Automatic Train Opera)
), there is a system in which stop control is performed by determining a stop station and a stop position by electronic means. However, when trains having different knitting growth and performance are mixed, the number of control patterns is equal to the number of the patterns. There was a problem that it was necessary to prepare it and it was not worth the cost.

[0011]

As described above, in the conventional system, opening and closing the door and aligning the vehicle with the platform are left to the visual attention of the crew, which may cause danger in getting on and off the passenger. There was sex. In addition, devices to cope with this have been considered, but none of them was practically satisfactory. In addition, confirmation of the stop station by train type, confirmation of the distance to the stop position at the time of stop, etc. are also left to the crew visual inspection,
There was also a possibility that erroneous passage of the station or stop position over etc. may occur. Computerized systems have been considered to solve these problems, but they were insufficient in terms of accuracy and price.

The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a stop support system which can easily and effectively support train stop control in a railway.

[0013]

A stop assist system according to the present invention is provided in each train of a train composed of a plurality of cars, and diffuses and emits an electromagnetic wave toward a station platform. A platform detection sensor having a receiving unit for receiving the electromagnetic wave reflected from the station platform and detecting the presence or absence of the station platform, a door control circuit for controlling opening and closing of a vehicle door, and a station platform by the platform detection sensor Means for controlling the door control circuit so that the door of the vehicle corresponding to the detected home detection sensor can be opened and closed.

Further, the stop assist system according to the present invention is provided in each train of a train composed of a plurality of vehicles, and emits an electromagnetic wave toward a station platform and transmits the electromagnetic wave reflected from the station platform. A home detection sensor having a receiving unit for detecting presence / absence of a station platform, a door control circuit for controlling opening / closing of a vehicle door, and a home detection sensor detected as having a station platform by the home detection sensor. Means for controlling the door control circuit so that the door of the vehicle can be opened and closed, wherein the transmitting unit and the receiving unit have a predetermined angle between the direction of emitting electromagnetic waves and the direction of receiving reflected electromagnetic waves. When the station platform is located within a predetermined distance range from the vehicle, the receiving unit receives the reflected electromagnetic wave and Characterized in that it has been configured to sense that there is nothing.

According to these configurations, the home detecting sensor having the diffused transmitting unit or the home detecting sensor including the transmitting unit and the receiving unit forming a predetermined angle with each other can be provided without providing a special member on the station platform. Since the presence or absence of the station platform is detected, the door of the vehicle corresponding to the platform detection sensor that has been detected as having the station platform can be opened and closed.

Further, the vehicle stop assist system according to the present invention is provided with a plurality of sensor units in the height direction of the vehicle, each of which comprises a transmitting unit for emitting electromagnetic waves toward the station platform and a receiving unit for receiving electromagnetic waves reflected from the station platform. A platform detection sensor that detects the height of the station platform, a body support device that can change the height of the vehicle, and a signal from the platform detection sensor compares the height of the body bottom and the height of the top surface of the station platform, A control device for controlling the vehicle body supporting device so as to reduce a step between a vehicle body hem portion and an upper surface of the station platform.

Further, the stop assist system according to the present invention comprises a transmitting unit provided with a plurality of transmitting units for radiating electromagnetic waves toward the station platform in the height direction of the vehicle, and a receiving unit for receiving electromagnetic waves reflected from the station platform. A home detection sensor for detecting the height of the station platform, a body support device capable of changing the height of the vehicle, and the home detection sensor And a control device that controls the vehicle body supporting device so as to reduce the height difference between the vehicle body hem and the station platform upper surface by comparing the height of the vehicle body hem and the station platform upper surface with a signal from the transmitter unit, The receiving unit is characterized in that a direction in which the electromagnetic wave is emitted and a direction in which the reflected electromagnetic wave is received form a predetermined angle.

According to these configurations, the height of the upper surface of the station platform can be reliably recognized with a simple circuit, and control can be performed so as to reduce the step between the bottom of the vehicle body and the upper surface of the station platform.

Further, the stop assist system of the present invention is provided on a station platform, has a transmitting unit for emitting electromagnetic waves toward the vehicle, and a receiving unit for receiving electromagnetic waves reflected from the vehicle, and detects a skirt portion of the vehicle body. A vehicle body detection sensor, a platform lifting / lowering device that changes the height of at least a part of the station platform, and comparing the height of the vehicle body hem with the height of the station platform upper surface by a signal from the vehicle body detection sensor, And a control device for controlling the platform up and down movement device so as to reduce a step between the platform and the top surface of the station platform.

Further, the vehicle stop support system of the present invention has a transmitting unit for radiating electromagnetic waves toward the station platform and a receiving unit for receiving electromagnetic waves reflected from the station platform, and detects the presence or position of the station platform. A sensor, a vehicle body supporting device capable of moving the vehicle body in the width direction, and determining a position of the station platform based on a signal from the vehicle body detection sensor to reduce a gap between a door portion of the vehicle and an end of the station platform. A control device for controlling the vehicle body support device.

Further, the stop assist system of the present invention is provided at a location where the speed of the train is to be controlled or at a side of the track at a predetermined distance from the location, and is provided between a portion having a high electromagnetic wave reflectance and a portion having a low electromagnetic wave reflectance. Digital code display means for displaying a digital code composed of a combination, a digital code reader provided on the train, which emits electromagnetic waves toward the digital code displayed by the display means and receives reflected electromagnetic waves, and at least a digital code Means for controlling the speed of the train using the information obtained by the code reading device.

In this configuration, the digital code display means is provided on the side of the station platform, and the train emits electromagnetic waves toward the digital code displayed by the display means and receives the reflected electromagnetic waves. A configuration provided with a braking device that performs braking of the train, and a braking control circuit that controls the stop or speed of the train so as to control the braking device using information obtained by the digital code reader. By doing so, the train can be automatically and accurately stopped at a fixed position on the station platform.

A digital code display means is provided beside a track at a predetermined distance from a place where the speed of the train is to be controlled, such as a station or a construction section, and the digital code displayed by the display means is provided on the train. A digital code reader that emits electromagnetic waves toward and receives reflected electromagnetic waves, and at the location using information obtained by the digital code reader when a train passes beside the digital code display means. By providing an operation control circuit for controlling the speed of the train, it is possible to automatically perform passage, stop, or speed limitation of the train in a station or a construction section.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the following drawings, the same or corresponding parts are denoted by the same reference numerals. FIG. 1 shows the configuration of the first embodiment of the present invention. A home detection sensor 12 for detecting the presence or absence of the station platform 13 is installed at a lower part of the vehicle 11, and its height is located at a position about several centimeters to several tens centimeters lower than the upper surface of the platform 13,
It is located at substantially the same position as the side surface of the home 13. The home detection sensor 12 is provided in each vehicle of a train composed of a plurality of vehicles, and is preferably provided for each door.

FIG. 2 shows details of the configuration of this embodiment. The home detection sensor 12 includes a transmitting unit 21 that emits electromagnetic waves toward the station platform and a receiving unit 22 that receives electromagnetic waves reflected from the station platform. The transmitting part 21 is a light emitting part 21A and a convex lens 21 having a long focal length.
B, which emits electromagnetic waves such as infrared light emitted from the light emitting unit 21A by the convex lens 21B and irradiates the side surface of the station platform 13. Note that the light emitting section 21A and the convex lens 21B may be configured integrally. The receiving section 22 includes a light receiving section 22A and a convex lens (having a shorter focal length than the convex lens 21B) 22B.
In addition, the convex lens 22B increases the light collection rate and
This is for improving the sensitivity, but is not necessary.

Reference numeral 23 denotes a control relay that operates according to the output signal of the home detection sensor 12, and controls the operation of the door closing circuit 24 by this relay. Reference numeral 25 denotes a door opening / closing driving unit driven by the door closing circuit 24.

Next, the operation of this embodiment will be described with reference to FIGS. The home detection sensor 12 is attached to a position near the floor of the vehicle, and detects whether or not there is an end side surface of the platform 13 at a position facing the home detection sensor 12 to determine whether the vehicle is on the platform. Judge whether or not. That is, the transmitting unit 21 emits electromagnetic waves, for example, infrared light. When the home detection sensor 12 is on the home, the infrared light is reflected on the side surface of the end of the home 13 and is received by the receiver 22. Here, transmitting unit 2
1 uses the convex lens 21B having a long focal length, so that the infrared light emitted from the light emitting unit 21A is diffused and emitted, and the home detecting operation can be stably performed even when the vehicle body shakes. On the other hand, when the home detection sensor 12 is not on the home, the emitted infrared light is not reflected and is not received by the receiver 22. In addition, various buildings other than the station platform exist beside the track, but all of them are farther from the track than the station platform, so that the platform detection sensor 12 does not erroneously detect the station platform.

When the receiver 22 receives the reflected light from the side of the platform, that is, when it is detected that the station platform is present, the relay 23 is operated by the output signal from the receiver 22 and the door closing circuit 24 is operated. Turn on. If the door closing circuit 24 is on, the door opening / closing drive unit 25 can be operated, and the door can be opened. As a result, it is possible to open and close only the door that is approaching the platform, it is possible to prevent passengers falling accidents due to accidentally opening the door that does not reach the platform, and it is possible to improve safety when the train stops Become.

Although one vehicle has a plurality of doors, it is preferable from the viewpoint of reliability to provide a home detection sensor for each door to control the opening and closing of the door. However, instead of providing a home detection sensor for all doors, for example, a home detection sensor is provided at the front and rear of each vehicle, and both the front and rear sensors of each vehicle have a station platform. When it is detected, the doors on the station platform side of the respective vehicles may be controlled to be opened and closed collectively. Further, since a door is generally closed on a train so that the door is not opened while the train is running, the door does not open for a passing train even if the train runs beside the station platform.

Next, FIG. 3 shows a configuration of a second embodiment of the present invention, in which a transmitting unit 21 and a receiving unit 22 of a home detection sensor are arranged at an angle. That is, for example, the transmitting unit 21 is tilted downward by 10 to 20 degrees from the horizontal direction, and the receiving unit is tilted upward by 10 to 20 degrees from the horizontal direction. In other words, the direction in which the electromagnetic wave such as infrared light is emitted from the transmitting unit 21 and the direction in which the reflected wave is received by the receiving unit are arranged so as to form an angle of about 20 to 40 degrees. As shown in a), the station platform is in the correct position (the distance between the vehicle and the station platform is 10).
(In centimeters), the transmitting unit 21 and the receiving unit 22 are, for example, 5 centimeters so that the receiving unit 22 can receive electromagnetic waves such as infrared light radiated from the transmitting unit 21 and reflected on the station platform. Place them at a distance from each other. With such an arrangement, as shown in FIG. 3B, when the station platform is far from the vehicle (for example, about 50 cm or more) so as to hinder passengers' getting on and off, the receiving unit 22 Because it does not receive reflected waves,
The fail-safe property is maintained, and no malfunction is detected by detecting another building or the like. The operation after detecting the presence / absence of the station platform in this way is the same as that of the first embodiment. The transmitting section 21 in this case is preferably of a diffusion type in which a convex lens having a long focal length is provided in front of the light emitting section as in the first embodiment, but a convex lens is provided in front of the light emitting section. It may be provided so that infrared light travels straight without diffusing.

Next, FIG. 4 shows a configuration of a third embodiment of the present invention. Home detection sensor 1 at the bottom of vehicle 11
2 are installed. Further, 41 is an air spring, 42 is a bogie frame, and 41 are elements constituting a vehicle body supporting device capable of supporting the vehicle body and changing the height of the vehicle body.
43 is a wheel.

FIG. 5 shows the details of the configuration of the third embodiment. The home detection sensor 12 includes a plurality of, for example, four sensor units 12a, 12b, 12c, and 12d provided below the vehicle in the height direction of the vehicle.
Each of the sensor units 12a, 12b, 12c, and 12d includes a transmitting unit 21a, 21b, 21c, and 21d and a receiving unit 22.
a, 22b, 22c, and 22d. A logic circuit 51 determines the position of the station platform based on a signal from the platform detection sensor 12 and outputs a step signal corresponding to a step when the door step of the vehicle is compared with the upper surface of the station platform. The height of the air spring 41 is changed by operating the air supply valve 52 or the exhaust valve 53 based on this.

Next, the operation will be described. Railroad vehicles often have a large step between the station platform and the bottom of the vehicle body, which makes it difficult not only for getting on and off with a wheelchair but also for getting on and off for ordinary people. Most vehicles in recent years use an air spring 41 for the vehicle body support device, which can change the height of the vehicle body by taking air in and out. Therefore, the height difference can be reduced by bringing the height of the vehicle body closer to the station platform.

In FIG. 5, it is assumed that the side surface of the platform 13 is detected by the sensor unit 12d but not detected by the other sensor units 12a to 12c. A signal indicating the presence or absence of home detection from each sensor unit of the sensor units 12a to 12d is supplied to the logic circuit, and when it is determined that the platform position is too low, a step signal corresponding to this is output and the vehicle body is output. It operates so as to reduce the step by lowering. For this purpose, the exhaust valve 53 connected to the air spring 41 is operated to lower the air pressure of the air spring, thereby lowering the vehicle body and reducing the level difference. Conversely, when the vehicle body is too low, the air pressure of the air spring is increased by the air supply valve 52 to raise the vehicle body. With such an operation, the height of the vehicle body is changed while the vehicle is stopped at the station, but the height of the vehicle body is restored when the vehicle departs.

In each sensor unit, the electromagnetic wave from the transmitting unit of the unit is received by the receiving unit. However, since the side surface of the platform end is not smooth, the electromagnetic wave from the transmitting unit of another unit is diffused by irregular reflection. It may be received. To prevent erroneous determination due to this, the light emitting elements of the transmitting unit of each unit are scanned one by one to emit light, or the light emitting pattern of the light emitting element of each unit (for example, the blinking cycle when blinking) is changed. Thus, the reception unit can determine the electromagnetic wave from the transmission unit of each sensor unit.

FIG. 6 is an explanatory view showing a fourth embodiment of the present invention. FIG. 6 schematically shows the platform detection sensor viewed from the station platform side, and FIGS. 7A to 7C show the positional relationship between the platform detection sensor and the station platform viewed from the side of the platform detection sensor, and at that time. 2 shows a correspondence relationship between a radiated wave from each transmitting unit and a reflected wave received by the receiving unit. In FIG. 6, reference numeral 21 denotes a transmitting unit provided with a plurality of, for example, four transmitting units for radiating electromagnetic waves toward the station platform in the height direction of the vehicle, and 22 denotes a receiving unit for receiving electromagnetic waves reflected from the station platform. , For example, four receiving units are provided in the height direction.
In addition, these transmission units and reception units are given unit numbers 1, 2, 3, and 4 in order from the top. The transmitting unit 21 and the receiving unit 22 are arranged at a slight angle so that the interval between the rear ends is wider than the interval between the front ends as shown in FIG. 6, and FIGS. 7A to 7C.
As shown in FIG. 5, the radiation direction of the electromagnetic wave radiated from the transmitting unit 21 is inclined downward by a predetermined angle from the horizontal direction, and the receiving unit 22 is shifted downward from the transmitting unit 21 and received by the receiving unit 22. The transmitting unit 21 and the receiving unit 22 such that the receiving direction of the reflected wave is inclined at a predetermined angle above the horizontal direction.
And placed at an angle.

Next, this operation will be described. When the station platform is at the standard position as shown in FIG. 7A, the first, second, third, and fourth radiations radiated from the units 1, 2, 3, and 4 of the transmitting unit 21 are provided. Infrared light (1),
(2), (3), and (4), the first infrared light (1) reflected wave is not received, and the second and third infrared lights (2) and (3)
Are received by the units 2 and 3 of the receiving unit 22, respectively. The reflected wave is not received by the unit 1 of the receiving unit 22. If the end of the station platform protrudes toward the vehicle only at the upper part of the platform as shown in the figure and the lower part is depressed, the fourth infrared light (4) is transmitted to the unit 4 of the receiver 22. , The fourth infrared light (4) is received by the unit 4 of the receiving unit 22 when the side surface at the end of the platform is flush with the lower side.
Accordingly, by detecting that the corresponding infrared lights (2) and (3) have been received by at least the units 2 and 3 of the receiving unit 22, it is determined that the station platform is at the standard position.

When the station platform is at a remote position as shown in FIG. 7B, the units 1, 2,
Out of the first, second, third, and fourth infrared lights (1), (2), (3), and (4) emitted from the third and fourth infrared light (1) ) And (2) are received by the receivers 3 and 4 respectively, and the third and fourth infrared lights (3) and (4) are not received. Note that the units 1 and 2 of the receiving unit 22 do not receive the reflected wave. Thus, by detecting that the infrared light is received by a unit different from the unit that should be originally received, it is determined that the station platform is located at a position farther from the standard position.

If the height of the station platform is different from the standard as shown in FIG.
Units 1, 2, 3, and 4 emitted from the first, second,
Of the third and fourth infrared lights (1), (2), (3) and (4), the first and second infrared lights (1) and (2) are the unit 1 of the receiving unit 22, 2 respectively. If the end of the station platform protrudes toward the vehicle only at the upper part of the platform as shown in the figure and the lower part is depressed, the third and fourth infrared lights (3), (4) Is not received, but when the side surface at the end of the platform is flush with the bottom, the third and fourth infrared lights (3) and (4) are
2 are received by the units 3 and 4, respectively. Therefore, by detecting that the corresponding infrared lights (1) and (2) are received by at least the units 1 and 2 of the receiving unit 22, it is determined that the station platform is at a position higher than the standard. Although not shown, when the station platform is located at a lower position than the standard, the unit 1 of the transmitting unit 21,
First, second, third, and fourth infrared lights (1), (2), (3), and (4) emitted from 2, 3, and 4 are the first and second infrared lights.
The reflected waves of the infrared lights (1) and (2) are not received.
The fourth infrared lights (3) and (4) are received by the units 3 and 4 of the receiving unit 22, respectively.

In summary, in the fourth embodiment, the distance between the vehicle and the platform is determined by the transmission unit 2
1 unit number, that is, the number of the infrared light radiated from those units, and the receiving unit 22 that receives the infrared light
(The larger the number is, the more distant the platform is). When the distance between the vehicle and the platform is standard (the unit number of the transmitting unit 21, that is, the number of the infrared light radiated from those units corresponds to the unit number of the receiving unit 22 that receives the infrared light). ) Can be known from the smallest number among the unit numbers that have received the reflected wave. Note that the first, second, third, and fourth infrared lights (1), (2), (3), and (4) are identified by using one light emitting element of each unit of the transmitting unit 21.
Scanning can be performed one by one to emit light, or by changing the light emission pattern of the light emitting element of each unit (for example, the blinking cycle when blinking). In this way, by detecting the position and height of the station platform, it is possible to perform door opening / closing control or control for reducing the level difference between the vehicle and the platform, as in the first to third embodiments.

FIG. 8 is a schematic diagram showing a fifth embodiment of the present invention, and FIG. 9 is a diagram showing details of the configuration of this embodiment.
8 and 9, reference numeral 81 denotes a door step at the bottom of the vehicle body of the vehicle 11, and reference numeral 82 denotes a vehicle body detection sensor that detects the height of the door step of the vehicle, for example, a transmitter that emits infrared light and receives a reflected wave. Although a sensor including a receiving unit may be used, it is necessary to detect the height of the door step, so that it has a function of scanning the direction in which electromagnetic waves are emitted and the direction in which reflected waves are received in the height direction. Reference numeral 83 denotes a vertically movable platform which has at least a part of the platform and has a body detection sensor 82 attached to a side surface of an end portion; 84, a platform vertical movement device for moving the vertically movable platform up and down; 91, a vehicle body detection sensor 82; A logic circuit for comparing the vehicle height information from the home height information obtained from the home elevation device 84 with a control signal to the home elevation device 84 so as to reduce the level difference therebetween; 92 is a communication line, and 93 is a control line.

Next, the operation will be described. 8 and 9
When the train arrives, the body detection sensor 82 detects the height of the body. This body height information is transmitted to the communication line 92.
, And the logic circuit 91 compares the vehicle body height information with the home height information obtained from the home vertical movement device 84, and controls the control line 93 so as to reduce the level difference therebetween. The vertical movement device 84 via the
And the home vertical movement device 84 is operated to reduce the level difference. At this time, if the door is closed, it is difficult to detect the height of the vehicle body. Therefore, for example, a material that reflects electromagnetic waves radiated from the vehicle body detection sensor 82 is used for the door step 81. Further, the same operation can be performed by detecting the bottom edge of the vehicle body under the door step. This makes it possible to reduce the difference between the height of the skirt portion of the vehicle body and the height of the platform, thereby enabling smooth and safe entry and exit.

In the above example, the vehicle body detection sensor 82
Although it has a function of scanning the radiation direction of the electromagnetic wave and the reception direction of the reflected wave in the height direction, the vehicle body detection sensor 62 may have a function of radiating and receiving in a certain direction without such a scanning function. Since the vertical movement of the home vertical movement device 84 causes the radiation / reception direction from the vehicle body detection sensor 82 to be scanned in the height direction, in this case, the home vertical movement device 64 The vertical movement of the home vertical movement device 84 may be stopped when the door step or the bottom of the vehicle body is detected,
Even in this case, the height of the skirt of the vehicle body and the height of the upper surface of the station platform are compared based on the signal from the vehicle body detection sensor, and control is performed to reduce the step between the skirt of the vehicle body and the upper surface of the station platform.

FIGS. 10 and 11 show the sixth embodiment of the present invention, respectively.
It is explanatory drawing and structure figure which show embodiment of this invention. Generally, the width of the body of the conventional train 11A is different from that of the Shinkansen vehicle 11B. However, when the train of the Shinkansen enters the conventional line and is operated directly, the train of the wider Shinkansen is used. A platform will be installed accordingly. However, in this case, as shown in FIG. 10, a gap s is generated between the vehicle 11 </ b> A of the conventional line having a narrow body width and the platform 13.
Therefore, as shown in FIG. 11, the vehicle body is moved in the lateral direction to reduce the gap between the platform 13 and the vehicle 11. Reference numeral 111 denotes a vehicle body position control circuit which is supplied with an output from the home detection sensor 12 and controls the position of the vehicle body. Numeral 112 denotes a vehicle moving motor, and numeral 113 denotes a driving gear driven by the motor, and these constitute a part of a vehicle body supporting device capable of moving the vehicle body in the width direction.

Next, the operation will be described. In FIG. 11, when the train arrives at the station, if it is a conventional line vehicle that has a large gap with the platform 13, the platform detection sensor 12 does not detect the platform 13. Is detected. The platform detection sensor 12 does not have a function of measuring the distance to the platform 13 but simply
Is to detect the presence / absence of the platform by determining whether or not the platform is within a certain distance from the sensor 12, when the vehicle body position control circuit 111 recognizes that the gap with the platform is large, the vehicle body position control circuit 111 outputs a signal notifying the crew of this. When the crew operates a switch to move the vehicle body in the lateral direction, the vehicle body position control circuit 111 supplies a control signal to the vehicle movement motor 112 to operate the motor 112, and the drive gear 113 is driven. Is moved laterally. The vehicle body position control circuit 111 constantly monitors the output of the home detection sensor 12. When the platform and the vehicle come close to a certain distance, the home detection sensor 12 receives the reflected wave and outputs a detection signal indicating the presence of the home. Therefore, the vehicle body position control circuit 111 stops the operation of the vehicle body movement motor 112 and stops the operation of the door. Outputs a signal that permits opening and closing.

If the home detecting sensor 12 has a function of measuring the distance to the platform 13 instead of simply detecting the presence or absence of the platform, the fact that the gap between the vehicle and the platform is large indicates that the Is recognized by the vehicle body position control circuit 111, the vehicle body position control circuit 111 supplies a control signal to the vehicle body movement motor 112 so as to move the vehicle body toward the nearest platform side, and The motor 112 and the drive gear 113 are operated to move the vehicle body in the lateral direction, and when the platform and the vehicle come close to a certain distance, the operation is stopped and a signal for permitting the opening and closing of the door is output.

The method of permitting the opening and closing of the door will not be described here, but can be performed in the same manner as that described with reference to FIG. Further, in the case of departure, the vehicle body moving motor 112 is reversed to return the vehicle body to its original position. As a result, the clearance between the platform and the vehicle body is reduced to enable safe and smooth entry and exit.

FIGS. 12, 13 and 14 show a seventh embodiment of the present invention.
FIG. 3 is an explanatory diagram showing a configuration of the embodiment. In FIG. 12, 121 is provided on the side of the station platform 13,
Stop position where the foremost part of the train entering the station stops on the digital code display surface that displays the digital code consisting of a combination of a reflecting part that reflects electromagnetic waves such as infrared light and an absorbing part that absorbs infrared light It is provided from slightly before 122 to the stop position 122. Also 11
Reference numeral 2 denotes a detection sensor, which includes a transmitting unit that emits electromagnetic waves such as infrared light and a receiving unit that receives reflected electromagnetic waves, and is a reading sensor that reads a digital code displayed on the digital code surface 121. FIG. 13 shows a system configuration of the vehicle 11 side. Reference numeral 131 denotes a signal processing unit configured by an electronic circuit that converts a signal obtained by a reading sensor into a digital information signal and processes the signal.
2 is a brake cylinder that brakes the train, 133
Is a driving device for accelerating the train, and 134 is a signal processing unit 131.
Is a control device that controls the brake cylinder 132 and the driving device 133 by using the output signal of the above, and controls the speed of the train.

Next, the operation will be described. In FIG. 12, when the train enters the station, the control is performed so that the train stops at the stop position 122. However, the braking method is not uniform due to factors such as the weather, and often the calculation is shifted due to slipping or sliding of the wheels, and the stop position may deviate from the stop position by several meters. Therefore, the stop position 122
In order to stop the vehicle properly, a digital code provided on the side of the platform 13 is read by a reading sensor on the train side, and the speed or position of the train read by this sensor is used as the actual speed or the train speed corresponding to the actual speed. The difference is measured relative to the position and the speed is controlled to compensate for the difference. Here, for the sake of explanation, a reflecting portion that reflects infrared light is referred to as white, and an absorbing portion that absorbs infrared light is referred to as black.

As a digital code pattern displayed on the digital code display surface 101, for example, a speed control type pattern shown in FIG. 14A or a distance indicating type pattern shown in FIG. 14B is used. In FIG. 14 (a), a black and white pattern for synchronization is continuous from the start position, and then a black and white pattern having a wide black and white width is gradually reduced to the stop position. This black-and-white pattern is configured such that when the train decelerates at a certain deceleration, the time period during which the black-and-white pattern read from the train appears becomes constant. Therefore, the train that has entered the station first reads the synchronization signal by the read sensor 112 to synchronize the clock, and then reads the pattern in which the black and white width gradually decreases, but the train is decelerating at a certain deceleration. The time period in which the read black-and-white pattern appears is constant, but when the train speed is higher than this, the time period in which the black-and-white pattern appears is short, and when it is low, the time period is long. Therefore, the signal processing unit 131 measures this period,
An appropriate control signal is supplied to the control device 134 so that the time period at which the actually measured black-and-white pattern appears becomes the set value, and the control device 134 controls the brake cylinder 132 and the drive device 133 based on the control signal to control the train. Is controlled to be the target value. As a result, the train can be stopped at a predetermined stop position even if the wheels spin or slide.

14 (b) is the same as that of FIG. 14 (a) in that a black-and-white pattern for synchronization follows from the start position, but the subsequent information is a distance code indicating the distance to the stop position 92. 143. The display interval of this distance code is longer near the black-and-white pattern for synchronization and shorter as approaching the stop position. In the case of using this pattern, the train reads the distance code 93 one after another by the reading sensor 112, calculates the deceleration required until the stop position for each position of the read distance code by the signal processing unit, and generates an appropriate control signal. The control device 115 supplies the
5 can control the brake cylinder 132 and the driving device 133 based on this to control the train speed to the target value, and stop the train at the determined stop position 92.

FIGS. 15 and 16 are explanatory views showing the configuration of the eighth embodiment of the present invention. In FIG.
Is a flat plate displaying a digital code consisting of a black-and-white pattern, and this flat plate is installed beside a track at a place a predetermined distance away from a place 152 where train speed should be controlled, such as a station or a construction section. A reading sensor 112 is attached to the lower part of the train car 11, and the height of the digital code displayed on the flat plate 151 is set to be the same as the height of the reading sensor installed on the car. I have.

As a digital code pattern displayed on the flat plate 151, for example, a horizontal pattern shown in FIG. 16A or a vertical pattern shown in FIG. 16B is used. In the horizontal pattern of (a), a black-and-white synchronization pattern continues for a while from the start position, followed by a digital code pattern in which the width of black and white changes depending on information. In the vertical pattern (b), the digital code is displayed vertically. The configuration on the vehicle 11 side is the same as that in FIG.

Next, the operation will be described. When the vehicle 11 passes beside the flat plate 151, the reading sensor 112 attached to the vehicle 11 receives the reflected wave from the digital code displayed on the flat plate and reads the digital code, and reads the digital code described in FIG. In the same manner as in the case of the first embodiment, the control is performed based on the read information at the location 152 where the speed of the train is to be controlled. Here, FIG.
In the case of a vertical pattern as shown in FIG. 5, a reading sensor in which a plurality of unit sensors are arranged in the vertical direction like the home detection sensor 12 shown in FIG. A reading sensor that scans the wave receiving direction in the vertical direction and reads the digital code in the vertical direction is used. On the flat plate 151, the ID of the station, the distance to the stop position, or the speed limit in the construction section is digitally coded and displayed. In addition, this flat plate can be installed or removed as needed. This makes it possible to prevent erroneous passage, for example, by the train reading the station ID and automatically determining the stop station. Also, even when the construction section is set as needed, the train speed can be automatically reduced easily.

[0055]

As described above, according to the first and second aspects of the present invention, by detecting the presence or absence of a station platform without providing a special member on the station platform, it is possible to determine whether or not it is possible to get on and off the platform. It is possible to detect and allow only necessary doors to be opened and closed, thereby avoiding the danger of passenger falling due to erroneous opening and closing.

According to the third to fifth aspects of the present invention, the height of the station platform or the height of the body bottom is reliably recognized with a simple configuration, and the step between the body bottom and the station platform is reduced. The passengers can get on and off smoothly and safely.

According to the invention of claim 6, by detecting the position of the platform with respect to the vehicle and adjusting the vehicle body position so as to reduce the gap between the door portion of the vehicle and the platform, trains having different vehicle widths can be used. Even if they are mixed, passengers can get on and off smoothly and safely.
According to the invention of claims 7 to 9, with a simple configuration,
In sections where the speed of the train is to be controlled, such as stations and construction sections, safe and accurate train control can be performed.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing the overall configuration of a first embodiment of the present invention.

FIG. 2 is a configuration diagram of an on-board device in the embodiment.

FIG. 3 is an explanatory diagram illustrating a configuration of a home detection sensor according to a second embodiment of the present invention.

FIG. 4 is an explanatory diagram showing an overall configuration of a third embodiment of the present invention.

FIG. 5 is a configuration diagram of an on-board device in the embodiment.

FIG. 6 is an explanatory diagram showing a configuration of a home detection sensor according to a fourth embodiment of the present invention.

FIG. 7 is an explanatory diagram showing a positional relationship between a home detection sensor and a home and a correspondence relationship between a radiated wave and a received wave in the sensor in the embodiment.

FIG. 8 is an explanatory diagram showing the overall configuration of a fifth embodiment of the present invention.

FIG. 9 is an explanatory diagram showing a relationship between a ground device and a vehicle in the embodiment.

FIG. 10 is an explanatory diagram showing a relationship between a vehicle type and a platform according to a sixth embodiment of the present invention.

FIG. 11 is a configuration diagram of an on-board device in the embodiment.

FIG. 12 is a perspective view showing the overall configuration of a seventh embodiment of the present invention.

FIG. 13 is a configuration diagram of an on-board device in the embodiment.

FIG. 14 is a pattern diagram showing an example of a digital code in the embodiment.

FIG. 15 is a perspective view showing the overall configuration of an eighth embodiment of the present invention.

FIG. 16 is a pattern diagram showing an example of a digital code in the embodiment.

[Explanation of symbols]

 11, 11A, 11B Vehicle 12 Home detection sensors 12a to 12d Sensor unit 13 Station platform 21, 21a to 21d Transmitting unit 21A Light emitting unit 21B Concave lens 22, 22a to 22d Receiving unit 22A Light receiving unit 22B ... convex lens 23 ... control relay 24 ... door closing circuit 25 ... door opening and closing drive 41 ... air spring 42 ... bogie frame 43 ... wheels 51 ... logic circuit 52 ... air supply valve 53 ... exhaust valve 81 ... door step at body bottom 82 ... Vehicle detection sensor 83 ... Vertical movable platform 84 ... Vertical movement device 91 ... Logic circuit 92 ... Communication line 93 ... Control line 111 ... Vehicle position control circuit 112 ... Vehicle moving motor 113 ... Driving gear 121 ... Digital code display surface 122 ... stop position 131 ... signal processing unit 132 ... brake cylinder 133 ... drive device 34 ... control unit 143 ... distance code 151 ... flat 152 ... train speed control portion

Claims (9)

[Claims] 1. A diffusion type transmitting unit provided on each train of a train composed of a plurality of vehicles for diffusing and radiating an electromagnetic wave toward a station platform, and a receiving unit for receiving the electromagnetic wave reflected from the station platform. A home detection sensor for detecting the presence or absence of a station platform, a door control circuit for controlling opening and closing of a vehicle door, and a vehicle door corresponding to the home detection sensor that has been detected as having a station platform by the home detection sensor Means for controlling the door control circuit so that the vehicle can be opened and closed. 2. A station provided on each train of a train composed of a plurality of vehicles, the transmitting unit radiating an electromagnetic wave toward a station platform, and the receiving unit receiving the electromagnetic wave reflected from the station platform. A home detection sensor for detecting the presence / absence of a platform, a door control circuit for controlling opening / closing of a door of the vehicle, and a door of a vehicle corresponding to the home detection sensor detected as having a station platform by the home detection sensor can be opened / closed. Means for controlling the door control circuit, the transmitting section and the receiving section are arranged such that a direction in which the electromagnetic wave is emitted and a direction in which the reflected electromagnetic wave is received form a predetermined angle, and the station platform is provided. The receiver is configured to receive the reflected electromagnetic waves and detect the presence of the station platform when the vehicle is within a predetermined distance range from the vehicle. Stop support system according to claim. 3. A sensor unit comprising a transmitting unit for radiating electromagnetic waves toward the station platform and a receiving unit for receiving electromagnetic waves reflected from the station platform is provided in plural in the height direction of the vehicle to detect the height of the station platform. A platform detection device, a body support device capable of changing the height of the vehicle, and a height of the body platform and the top surface of the station platform based on a signal from the platform detection sensor. And a control device for controlling the vehicle body supporting device so as to reduce a level difference with the vehicle stop support system. 4. A transmitting unit provided with a plurality of transmitting units for radiating electromagnetic waves toward the station platform in a height direction of the vehicle, and a plurality of receiving units for receiving electromagnetic waves reflected from the station platform in a height direction of the vehicle. And a receiving unit for detecting the height of the station platform, a body supporting device capable of changing the height of the vehicle, and a skirt portion of the vehicle body by a signal from the home detecting sensor. A control device for comparing the height of the upper surface of the station platform and controlling the vehicle body supporting device so as to reduce a step between the body bottom and the upper surface of the station platform, wherein the transmitting unit and the receiving unit emit electromagnetic waves; A stop assist system, wherein a direction in which the vehicle travels and a direction in which reflected electromagnetic waves are received are arranged at a predetermined angle. 5. A vehicle body detection sensor which is provided on a station platform, has a transmitting unit for radiating electromagnetic waves toward a vehicle, and a receiving unit for receiving electromagnetic waves reflected from the vehicle, and detects a vehicle body bottom portion. A platform vertical movement device that changes at least a part of the height, a height of a vehicle body hem and a height of the station platform upper surface are compared by a signal from the vehicle body detection sensor, and a step between the vehicle body hem and the station platform upper surface is determined. A control device for controlling the platform up and down movement device so as to reduce the size thereof. 6. A vehicle body detection sensor having a transmitting unit for radiating electromagnetic waves toward the station platform and a receiving unit for receiving electromagnetic waves reflected from the station platform for detecting the presence / absence or position of the station platform; A body support device that can be moved, and a control that determines the position of the station platform based on a signal from the vehicle body detection sensor and controls the body support device so as to reduce a gap between a door portion of the vehicle and an end of the station platform. A stop support system comprising a device. 7. A digital code, which is provided on a side of a track at a place where the speed of a train is to be controlled or at a predetermined distance from the place, and is composed of a combination of a part having a high reflectivity and a part having a low reflectivity of electromagnetic waves. Digital code display means, a digital code reader provided on the train, which emits electromagnetic waves toward the digital code displayed by the display means and receives reflected electromagnetic waves, and at least information obtained by the digital code reader Means for controlling the speed of the train by using the system. 8. A digital code display means provided on a side surface of a station platform for displaying a digital code comprising a combination of a part having a high reflectivity and a part having a low reflectivity of electromagnetic waves, and a digital code display means provided on the train and displayed by the display means. A digital code reader that emits electromagnetic waves toward the digital code and receives reflected electromagnetic waves, a braking device that brakes the train, and controls the braking device using information obtained by the digital code reader. And a braking control circuit for controlling the speed of the train or controlling the speed of the train. 9. A digital code display which is provided on a side of a track at a predetermined distance from a location where a train speed is to be controlled and displays a digital code composed of a combination of a portion having a high reflectivity of electromagnetic waves and a portion having a low reflectivity. Means, a digital code reader provided on the train, for emitting electromagnetic waves toward the digital code displayed by the display means and receiving the reflected electromagnetic waves, and when the train passes beside the digital code display means. An operation control circuit that controls the speed of the train at the location using information obtained by the digital code reader, and controls the passage, stop, or speed of the train at the location. .