JPH08119110A - Platform safety monitor system - Google Patents

Abstract

PURPOSE: To provide a platform safety monitor control system capable of enhancing safety via the reduction of a burden on the station staff, and reducing cost. CONSTITUTION: This system is formed out of a platform track circuit 40 to generate a platform ingress signal 40a as well as a platform track exit signal 40b, a train sensor 30 to generate a train sensing signal 30a and a passenger sensor 20 to generate an obstacle sensing signal 20a upon the detection of an obstacle entering a dangerous zone extremely near a vehicle. Furthermore, the system has a safety monitor control means 50 for performing sensor operation control to keep the sensors 30 and 20 in such a state as sensitive or non- sensitive, and diagnosing the sensors 30 and 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention detects that a passenger or an obstacle such as an obstacle that has entered a dangerous area excessively close to a vehicle at the time of entering or starting a train is in danger. Related to the platform safety monitoring system that alerts the user of the above information and prompts the vehicle to stop in some cases.

[0002]

2. Description of the Related Art As a conventional platform safety monitoring system, for example, when a vehicle is approaching or starting, a station employee monitors obstacles such as passengers or obstacles, and when the vehicle is in a dangerous state, a voice is notified to that effect. It is common to give a warning by saying "Prompt to stop the vehicle" in some cases.

Further, a protective wall is continuously provided at the side edge of the platform, and a double door is formed by a vehicle entrance / exit door and a platform side entrance / exit door provided corresponding to the vehicle entrance / exit door on the protective wall. In some cases, passengers or obstacles such as obstacles do not enter a dangerous area that is excessively close to the vehicle.

[0004]

However, in such a conventional platform safety monitoring system, in the former case, it is necessary to maintain the concentration while the vehicle is operating so that the station staff does not overlook. However, if the station staff overlooked it, the safety could not be secured sufficiently.

In the latter case, there is a problem that the installation cost is increased due to the installation of the protective wall and the double entrance / exit door, and it is difficult to adopt it in all stations.

[0006] The present invention has been made in view of such conventional problems, and makes it possible to improve the safety and reduce the cost while lightening the burden on the station staff. It aims to provide a platform safety monitoring system.

[0007]

The gist of the present invention for achieving the above object resides in the following item 9.

[1] When a train enters or starts, an obstacle such as a passenger or an obstacle that enters a dangerous area that is excessively close to the vehicle is sensed, and information indicating that the vehicle is in a dangerous state is warned. A safety monitoring system for the platform (10) that prompts the vehicle to stop when the train approaches the home track, generates a home track approach signal (40a), and the train passes the home track. Home truck missing signal (40b)
A train track circuit (40) for generating a train, a train sensor (30) installed on the platform (10) for a predetermined number and generating a train detection signal (30a) when a train is detected in a train-detectable state; It is installed in front of a certain number of platforms (10) corresponding to the entrance / exit doors, and detects obstacles such as passengers or obstacles that have entered the dangerous area that is excessively close to the vehicle while being able to detect obstacles. In response to the passenger sensor (20) that generates an obstacle detection signal (20a) and the home truck entry signal (40a) or the home truck missing signal (40b),
The train sensor (30) and the passenger sensor (20)
And a safety monitoring control means (50) for controlling the operation of the sensor for making the vehicle sensitive or incapable of sensing, and diagnosing the failure of the train sensor (30) and the passenger sensor (20). A safety monitoring system for a platform (10), which is characterized in that

Item [2] The safety monitoring control means (50)
Keeps the train sensor (30) in a train-sensing state and receives the passenger sensor (20) from the time the home truck approach signal (40a) is received until the home track missing signal (40b) is received. Is set to an obstacle-detectable state, and the train sensor (30) is set to a train-undetectable state between the time when the home truck missing signal (40b) is received and the time when the home truck approach signal (40a) is received. A safety monitoring system for the platform (10) according to the item [1], which is also configured to control the operation of the passenger sensor (20) so that the passenger sensor (20) cannot detect an obstacle.

Item [3] The safety monitoring control means (50)
When the home truck approach signal (40a) is received, the train sensor (30) and the passenger sensor (2)
0) each of the power sources is turned on to bring the train sensor (30) into the train sensing state, the passenger sensor (20) into the obstacle sensing state, and the home truck missing signal (40b) is received. At this time, the power supply is turned off to bring the train sensor (30) into the train undetectable state and the passenger sensor (20) into the obstacle undetectable state. The safety monitoring system for the platform (10) according to item [1].

Item [4] The safety monitoring control means (50)
When the train detection signal (30a) is received during the train undetectable state from the reception of the home truck missing signal (40b) to the reception of the home truck entry signal (40a), Train detection signal (30a)
The train sensor (30) that has generated is determined to be faulty, and the fault diagnosis is performed to exclude its use [1].
The safety monitoring system for the platform (10) according to item [2] or [3].

Item [5] The safety monitoring control means (50)
If the train sensor (30a) is received when the train sensor (30) is set in the train sensing enabled state by receiving the home truck approach signal (40a), the train sensor (30) is regarded as a failure. [1], [2], characterized in that the failure diagnosis is performed to judge and exclude use.
The safety monitoring system for the platform (10) according to item [3].

Item [6] The safety monitoring control means (50)
Never received the train detection signal (30a) during the train-detectable state from the reception of the home track approach signal (40a) to the reception of the home track missing signal (40b). The train sensor (3
The safety monitoring system for the platform (10) according to item [1], [2], or [3], characterized in that 0) is determined to be a failure and the failure diagnosis is excluded.

Item [7] The safety monitoring control means (50)
When the obstacle detection signal (20a) is received during the obstacle undetectable state from the reception of the home truck missing signal (40b) to the reception of the home truck entry signal (40a) , The obstacle detection signal (2
0a) is generated, the passenger sensor (20) is determined to be in failure, and the failure diagnosis for excluding the use is performed, and the platform according to [1], [2], or [3]. (10) Safety monitoring system.

Item [8] The safety monitoring control means (50)
Continuously generates the obstacle detection signal (20a) during the obstacle detectable state from the reception of the home truck approach signal (40a) to the closing of the train door. Safety of the platform (10) according to item [1], [2], or [3], characterized in that the passenger sensor (20) is judged to be in failure and the failure diagnosis is performed to exclude use. Monitoring system.

Item [9] The safety monitoring control means (50)
The passenger sensor (20) continuously generates the obstacle detection signal (20a) during the obstacle detectable state from the reception of the home truck approach signal (40a) to the departure of the train. ) Is determined to be a failure, and the failure diagnosis for excluding the use is performed [1],
The platform (1) according to item [2] or [3]
0) Safety monitoring system.

[0017]

The safety monitoring system of the platform (10) according to the present invention detects an obstacle such as a passenger or an obstacle that has entered a dangerous area excessively close to the vehicle at the time of entering or starting a train and is in a dangerous state. When it is present, the information to that effect is issued and, if necessary, the vehicle is stopped, and the passenger sensor (20) that senses an obstacle and the train sensor (30) that senses the entrance or departure of the train. The failure diagnosis is performed, and the failure diagnosis is performed by excluding the use of the sensor determined to be the failure and disconnecting it from the safety monitoring system of the platform (10).

This reduces the burden on the station staff and
A safety monitoring system for the platform (10) that can improve safety and reduce cost can be realized.

The operation of the safety monitoring system for the platform (10) will be described below.

The home track circuit (40) generates a home track entry signal (40a) when the train enters the home track and a home track missing signal (40b) when the train passes the home track.

A predetermined number of train sensors (30) are installed on the platform (10) and generate a train detection signal (30a) when a train is detected while the train can be detected.

The passenger sensor (20) is installed in front of the entrance / exit doors on a predetermined number of platforms (10) corresponding to the entrance / exit doors of the train, and is located in the dangerous area excessively close to the vehicle in a state where obstacles can be detected. An obstacle detection signal (20a) is generated when an obstacle such as an entering passenger or an obstacle is detected.

The safety monitoring control means (50) responds to the home truck entry signal (40a) or the home truck exit signal (40b) by the train sensor (30).
And controlling the operation of the sensor that makes the passenger sensor (20) in a sensible or insensitive state,
The train sensor (30) and the passenger sensor (20)
Diagnosis of failure.

In the safety monitoring control means (50) of the present invention, the train sensor (30) is provided from the time when the home truck approach signal (40a) is received until the time when the home truck missing signal (40b) is received. During the period from when the home truck missing signal (40b) is received until the home truck approach signal (40a) is received. The operation control of the sensor is performed so that the train sensor (30) cannot detect the train and the passenger sensor (20) cannot detect the obstacle.

The safety monitoring control means (50) is
When the home truck approach signal (40a) is received, the power supply of the train sensor (30) and the passenger sensor (20) are turned on to set the train sensor (30) to the train sensing state and the passenger sensor. (20)
To the obstacle sensing state, and when the home truck missing signal (40b) is received, the power is turned off to bring the train sensor (30) into the train unsensing state and the passenger sensor (20). It is also possible to control the operation of the sensor to bring the sensor into the obstacle incapable state.

This reduces the burden on the station staff and
A safety monitoring system for the platform (10) that can improve safety and reduce cost can be realized.

The operation of fault diagnosis of the train sensor (30) in the safety monitoring system of the platform (10) will be described below.

When the train detection signal (30a) is received during the train undetectable state from the reception of the home truck missing signal (40b) to the reception of the home truck entry signal (40a), The safety monitoring control means (50) determines the train sensor (30) that generated the train detection signal (30a) as a failure and performs the failure diagnosis to exclude use (hereinafter, this failure diagnosis will be referred to as "train sensor"). (30) A fault diagnosis ".

Further, the home track approach signal (40
When the train sensor signal (30a) is received when the train sensor (30) is set to the train-sensing state by receiving a), the safety monitoring control means (50) causes the train sensor (30) to operate. The above-mentioned failure diagnosis for judging the failure and excluding its use is performed (hereinafter, this failure diagnosis is referred to as “train sensor (3
0) B fault diagnosis ”).

Further, the safety monitoring control means (50)
Never received the train detection signal (30a) during the train-detectable state from the reception of the home track approach signal (40a) to the reception of the home track missing signal (40b). The train sensor (3
0) is determined to be a failure and the failure diagnosis is performed to exclude the use (hereinafter, this failure diagnosis is referred to as “C failure diagnosis of the train sensor (30)”).

This reduces the burden on the station staff and
A safety monitoring system for the platform (10) that can improve safety and reduce cost can be realized.

The operation of fault diagnosis of the passenger sensor (20) in the safety monitoring system of the platform (10) will be described below.

The obstacle sensing signal (20a) is received during the obstacle undetectable state from the reception of the home truck missing signal (40b) to the reception of the home truck entry signal (40a). At this time, the safety monitoring control means (50) determines the passenger sensor (20) that has generated the obstacle detection signal (20a) as a failure and performs the failure diagnosis to exclude the use (hereinafter, this failure diagnosis is performed. "A failure diagnosis of passenger sensor (20)").

In the platform (10) provided with the transponder (60), the safety monitoring control means (50) further includes the home truck approach signal (40).
The obstacle sensing signal (2) is received during the obstacle sensing state from the reception of a) to the closing of the train door.
0a) continuously generating passenger sensor (20)
Is determined as a failure and the failure diagnosis is performed to exclude use (hereinafter, this failure diagnosis is referred to as “B failure diagnosis of the passenger sensor (20) when the transponder (60) is installed”).

In the platform (10) not provided with the transponder (60), the safety monitoring control means (50) is used instead of the "B fault diagnosis of the passenger sensor (20) when the transponder (60) is installed". ) Is the passenger sensor (20a) that continuously generates the obstacle detection signal (20a) during the obstacle detectable state from the reception of the home truck approach signal (40a) to the departure of the train. 20) is determined to be a failure and the failure diagnosis is performed to exclude use (hereinafter, this failure diagnosis is referred to as “B failure diagnosis of the passenger sensor (20) when the transponder (60) is not installed”).
Called).

This reduces the burden on the station staff and
A safety monitoring system for the platform (10) that can improve safety and reduce cost can be realized.

The transponder (60) is a communication system connecting the train and the ground, and the train normally stops at a position where the communication can be performed. The communication state at the time when the communication is coupled is called "transponder coupling", and the communication state at the time when the communication is disconnected is called "transponder coupling disconnected".
The "transponder disconnection" is signal-synchronized with the "notch in". The communication signals of "transponder coupling" and "transponder uncoupling" are transmitted by the platform (1
It is used between the stop of the train to 0) and the departure.

[0038]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a platform 1 showing an embodiment of the present invention.
2 is a functional block diagram of the safety monitoring system of No. 0, FIG. 2 is a plan view of the safety monitoring system of the platform 10 showing one embodiment of the present invention, and FIG. 3 is the safety of the platform 10 showing one embodiment of the present invention. FIG. 4 is an enlarged view of the monitoring system, and FIG. 4 shows a pair of pole members 1 showing an embodiment of the present invention.
FIG. 5 is an installation diagram of the passenger sensor 20 in FIGS.
Is a pole member (sensor pole 1) showing an embodiment of the present invention.
It is an installation drawing of the train sensor 30 in 3).

The safety monitoring system for the platform 10 according to the present embodiment detects an obstacle such as a passenger or an obstacle that has entered a dangerous area that is excessively close to the vehicle at the time of entering or starting a train, and makes a dangerous state. If there is, it warns the information to that effect and prompts the vehicle to stop in some cases. As shown in FIG. 1, the passenger sensor 20, the train sensor 30, the safety monitoring control means 50, and the home truck circuit 40 are installed in the device. It will be done. Further, the transponder 60 and the transponder car top 61 are provided as devices.

Further, the safety monitoring system of the platform 10 carries out a failure diagnosis of the passenger sensor 20 which detects an obstacle and the train sensor 30 which detects the entrance or departure of a train, and excludes the use of the sensor judged to be the failure. The fault diagnosis is carried out separately from the safety monitoring system.

The transponder 60 is a communication system connecting the train and the ground, and the train is usually the transponder 6
It stops at a position where it can communicate with 0. The communication state at the time when the communication is combined is called "transponder connection", and
The communication state at the time of disconnection is called "transponder disconnection".

"Transponder disconnection" is synchronized with "notch in" as signal timing. The communication signals “transponder coupling” and “transponder coupling disconnection” are used between the stop of the train in the platform 10 and the notch-in.

Further, the transponder car core 61 is a communication system mounted on a train, and when the transponder 60 installed on the ground is in the "transponder coupling" state, it is in a communicable state (communication connection), and the transponder 60 is connected. And the "transponder disconnection" state, the communication becomes impossible (communication disconnected).

The home truck circuit 40 is a circuit that manages the activation of the safety monitoring system of the platform 10. When the train enters the home truck, the home truck approach signal 40a is generated to generate the home truck approach signal 40a. The safety monitoring control means 50 is set so that the safety monitoring system of the platform 10 is activated and the home truck missing signal 40b is generated when the train passes the home truck to put the safety monitoring system of the platform 10 into the waiting state for the next (subsequent) train. It is connected to.

The train sensor 30 is shown in FIG. 2, FIG. 3 and FIG.
As shown in FIG. 3, a predetermined number of the vehicles are installed on the platform 10 and are connected to the safety monitoring control means 50 so as to generate the train detection signal 30a when the train is detected in the train detection enabled state.

The train sensor 30 according to the present embodiment is configured such that one of the pair of pole members 30 is supported by a support tool to get in and out the door 1 of the train.
3 × 3 = 9 pieces are provided in 5 units. Train sensor 30
As shown in FIG. 5, includes a light emitting / receiving unit for vehicle detection, which is capable of projecting light on the vehicle 11 and receiving reflected light from the vehicle 11 to detect the presence of the vehicle 11.

The transponder car carrier 61 is mounted on a train, and communicates to the driver's seat that an obstacle is present via the transponder 60 between the time when the train stops at the stop position and the time when the train starts. It is configured so that it can be connected.

In the present embodiment, when a failure occurs in the driver's seat, a lamp is provided in the driver's seat to that effect, and the lamp is turned on so that an obstacle intervenes to restrain the train from starting (prohibiting notch-in). ) Has occurred.

The transponder 60 is the platform 1
It is provided at a predetermined stop position within 0, and the transponder upper arm 61 is provided between the time when the train stops and the time when the train starts.
It is connected to the safety monitoring and control means 50 so as to perform communication by coupling (referred to as transponder coupling) with.

As shown in FIG. 2 and FIG. 3, the passenger sensor 20 is installed in front of a predetermined number of platforms on the platform 10 corresponding to the train's entry / exit doors, and is excessively installed on the vehicle when obstacles can be detected. Obstacle detection signal 20 when an obstacle such as a passenger or an obstacle that has entered an adjacent dangerous area is detected
It is connected to the safety monitoring control means 50 so as to generate a.

As shown in FIG. 4, the passenger sensor 20 of the present embodiment is mounted on a pair of pole members which are erected on the side edges of the platform 10 with a danger zone in between and spaced about 6 m apart from each other. The one pole member (sensor pole) 13 of the pair of pole members is provided with a light emitting unit (not shown) and a light receiving unit (not shown) capable of detecting the entry of the passenger into the dangerous area, and the other pole member is provided. The retroreflective plate 14 is installed.

The return reflection plate 14 provided inside the mirror pole 12 reflects the light beam projected from the passenger sensor 20, and the optical axis is adjusted so that the reflected light can be received by the passenger sensor 20 again. Has been done.

The pair of pole members are, as shown in FIG.
Each door 1 of the vehicle 11 entering the platform 10
5 is provided corresponding to the front of the vehicle 5 and is erected on both sides with a dangerous area which is a side edge portion of the platform 10 and a passage for passengers in between.

As shown in FIG. 4, one pole member (sensor pole) 13 is provided with a predetermined number (four in this embodiment) of light emitting portions and light receiving portions of the passenger sensor 20, and is approximately equidistant. It is buried in each. An obstacle is sensed when four light beams are stretched during this period and any one of the four light beams is blocked.

The set of the light emitting portion and the light receiving portion in the passenger sensor 20 has the lowest position at the height of the passenger's body (about 15 cm from above the platform 10) when lying down on the platform 10. This lowest height is taken into consideration, for example, when a drunken person has fallen asleep on the platform 10 or when a baby has crawled into it.

The set of the light emitting portion and the light receiving portion of the passenger sensor 20 is arranged with the highest position above the waist of the passenger and below the window of the vehicle 11 (1 m from the top of the platform 10) as the uppermost position. Further, two sets are respectively arranged between the lowest and the highest. One or more sets may be arranged between the lowest rank and the highest rank.
The light emitting unit and the light receiving unit of the four sets of passenger sensors 20 are arranged so that the passengers in the dangerous area can be detected even when the passenger enters the dangerous area in any posture.

The other of the pair of pole members (mirror pole)
As shown in FIG. 4, a return reflector 14 is provided at 12 corresponding to the set of the light emitting portion and the light receiving portion of the passenger sensor 20. The retroreflective plate 14 is provided with a rectangular window corresponding to the set of the light emitting portion and the light receiving portion of the passenger sensor 20,
A translucent acrylic member is fitted into the window via a rubber packing.

In this embodiment, a mirror is used as the retroreflection plate 14. As shown in FIG. 4, the light rays projected from the passenger sensor 20 are reflected by the return reflection plate 14 (mirror) in the other (mirror pole) 12 of the pair of pole members, and the reflected light is received by the passenger sensor 20. As described above, the light-returning portion and the light-receiving portion of the retroreflective plate 14 (mirror) and the passenger sensor 20 are installed with their optical axes adjusted.

The combination of the light emitting portion and the light receiving portion in the passenger sensor 20 and the manner of mounting the retroreflective plate 14 are as follows.
The light emitting unit may be provided on one of the pair of pole members, while the light receiving unit may be provided on the other pole member. In addition, the pair of the light emitting portion and the light receiving portion of the passenger sensor 20 and the return reflection plate 14 are embedded together in one pole member, and the return reflection plate 14 and the passenger sensor 20 emit light in another adjacent pole member. You may use it, respectively corresponding to the group of a part and a light-receiving part.

The boarding / alighting door numbers (1-9), train sensor numbers (1-9), and passenger sensor numbers (1-9) are shown in FIG.
As shown in (1), the numbers are numbered 1 to 9 from the upstream (that is, the traveling direction) to the downstream direction in operation. The boarding / alighting door number, the train sensor number, and the passenger sensor number are associated with each other. For example, in this embodiment, the entry / exit door number (i), the train sensor number (i), and the passenger sensor number (i).
Are associated with. However, i = 1 to 9.

The safety monitoring control means 50 keeps the train sensor 30 in a train-detectable state and detects the passenger sensor 20 for an obstacle from the time the home truck approach signal 40a is received until the home truck exit signal 40b is received. In the enabled state, the train sensor 30 is set to the train undetectable state and the passenger sensor 20 is set to the obstacle undetectable state from the time the home truck missing signal 40b is received to the time the home truck approach signal 40a is received. Passenger sensor 2 that controls sensor operation and detects obstacles
0 and the train sensor 30 that senses the entrance or departure of the train are diagnosed, and the passenger sensor 20 and the train 20 are trained to perform a fault diagnosis that excludes the use of the sensor determined to be the malfunction and disconnects it from the safety monitoring system of the platform 10. It is connected to the sensor 30 and the home track circuit 40.

The safety monitoring control means 50 of the present embodiment receives the train sensor 30 when it receives the home truck approach signal 40a.
Also, the power supply of the passenger sensor 20 is turned on to make the train sensor 30 ready for train detection, and the passenger sensor 2
0 is set to the obstacle detection state, and when the home truck missing signal 40b is received, the power is turned off to set the train sensor 30 to the train detection state and the passenger sensor 2
It is connected so as to control the operation of a sensor that puts 0 into a state in which obstacles cannot be detected.

In this embodiment, the result of the failure diagnosis is classified into a major failure and a minor failure. A major failure such as a failure of two or more passenger sensors 20 in one sensor pole 13 is defined as a major failure. Also, minor failures other than major failures are defined as minor failures.

The safety monitoring control means 50 of this embodiment uses the LED to indicate the operating state of the safety monitoring system of the platform 10.
One station office display panel is installed in the station office to display the lights. It is supposed that the operating status of the safety monitoring system for both the up and down platforms 10 is displayed on one station office display panel, but the invention is not particularly limited to this, and for example, up and down platforms can be displayed. A separate station office display panel may be provided on the platform 10.

The display configuration of the LED lamps on the station office display panel is shown below.

Normal lamp (green) This lamp is constantly lit and is extinguished when a minor or major failure occurs.

Light failure lamp (yellow) Lights up when there is a minor failure.

-Major failure lamp (red) This is lit when there is a major failure.

Further, the station office display panel may be provided with a buzzer as a warning means. The buzzer has two types of tones. The buzzer 1 sounds when either a light failure or a serious failure lights up, and the buzzer 2 sounds under a lighting condition of a disturbing operation.

The safety monitoring control means 50 of the present embodiment uses the sensor operation unit for the platform 1 to display the location of the obstacle and the sensor's serious failure for each entrance / exit door 15.
It is installed on 0. Further, the sensor operation unit is installed for each platform 10.

The display lamp of the sensor operation unit is lit according to the position of the obstacle for each entrance / exit door 15 of the train, and displays the position of the sensor in which the serious sensor failure has occurred in a blinking operation.

Further, the sensor operating section of this embodiment is equipped with a liquid crystal display unit for monitoring the operating condition of the sensor. The liquid crystal display unit uses a TFT color liquid crystal display used for a personal computer display or a liquid crystal color television. LCD display unit display configuration (that is, items monitored by the sensor)
Is shown below.

A) Sensor online / offline monitoring The current online / offline status of each sensor is normally displayed. In the present embodiment, normal indicates the number "0", and others indicate the reason for offline.

A) Monitoring of sensor operating status Display format (display format) same as sensor operating status
Is to monitor the operating state of the sensor.

C) Monitoring of input signal status The ON / OFF (operation) state of the input signal of the sensor is monitored.

D) Monitoring of output signal status The ON / OFF (operation) state of the output signal of the sensor is monitored.

E) Fault history status monitoring The fault history data on the memory of 1000 or more in the past is displayed for every 4 cases. The fault history data is recorded on a memory card (IC card) and displayed on the liquid crystal display unit.

Next, the operation will be described. The safety monitoring system of the platform 10 according to the present embodiment detects an obstacle such as a passenger or an obstacle that has entered a dangerous area that is excessively close to the vehicle at the time of entering or starting a train, and detects that it is in a dangerous state. The passenger sensor 20 that senses obstacles and the train sensor 3 that senses entry or departure of the train while warning the information to that effect and prompting the vehicle to stop as the case may be.
The failure diagnosis of 0 is performed, and the failure diagnosis of separating from the safety monitoring system of the platform 10 by excluding the use of the sensor determined to be the failure is performed.

This reduces the burden on the station staff and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

The operation of the safety monitoring system for the platform 10 will be described below.

When the train stops at a position where it can communicate with the transponder 60, the transponder 60, which is a communication system connecting the train and the ground, enters a "transponder-coupled" communication state in which the communication is coupled. When the train is notched in, the communication state of "disconnection of transponder" is established.

"Transponder disconnection" is synchronized with "notch in" as signal timing. The communication signals of “transponder coupling” and “transponder coupling disconnection” are used as timing signals for stopping the train and starting the train (that is, notch-in) into the platform 10.

When the train stops at a position where the train can communicate with the transponder 60, the transponder car top 61, which is a communication system mounted on the train, is brought into a "transponder coupled" state with the transponder 60 installed on the ground. By this, communication becomes possible (communication connection), and when the train departs (that is, notch-in), the transponder 60 and the "transponder disconnection" occur.
As a result, the communication becomes impossible (communication disconnected).

When the transponder 60 and the transponder car top 61 are in the communicable state (communication connection), the operating condition of the platform safety monitoring system can be transmitted to the train operator.

This reduces the burden on the station staff and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

The platform safety monitoring system of the present embodiment is provided with, for example, an "at-start obstacle detection system" and a "obstacle light warning system" as operating systems.

The obstacle detection state at the time of starting of this embodiment is started when the passenger finishes getting on and off and the door 15 of the train is closed. When it is determined that the passenger sensor 20 generates the obstacle detection signal 20a and the start of the vehicle is hindered, a warning broadcast at the time of entry and an obstacle signal are output. While the obstacle signal is generated, the notch-in is restrained and the start of the train is prohibited. When a failure occurs, the driver's seat is lit and displayed by a lamp.

In the obstacle light warning system of this embodiment, the passenger sensor 20 detects an obstacle such as a passenger or an obstacle during the period from when the train starts to when it passes through the platform 10. When 20a is generated, the indicator light (obstacle light) that notifies the train operator of the stop of the train is turned on.

The home truck circuit 40 is a home truck entry signal 40a when a train enters the home truck.
And a home truck missing signal 40b is generated when the train passes the home truck.

The train sensor 30 is shown in FIG. 2, FIG. 3 and FIG.
As shown in FIG. 3, a predetermined number of trains are installed on the platform 10 and generate a train detection signal 30a when a train is detected in a train-detectable state.

In addition, as shown in FIG. 2, the train sensor numbers (1 to 9) and the boarding / alighting door numbers (1 to 9) are 1 from the upward direction (that is, the traveling direction) to the downward direction in operation.
They are numbered ~ 9. The boarding / alighting door number, the train sensor number, and the passenger sensor number are associated with each other. For example, in this embodiment, the entry / exit door number (i), the train sensor number (i), and the passenger sensor number (i) are associated with each other. However, i = 1 to 9.

As shown in FIG. 5, the train sensor 30 of this embodiment detects the presence of the vehicle 11 by projecting the light onto the vehicle 11 and receiving the reflected light from the vehicle 11.

As shown in FIG. 2 and FIG. 3, the passenger sensor 20 is installed in front of the doors on the platform 10 corresponding to the doors of the train, and is excessively installed on the vehicle in a state where obstacles can be detected. Obstacle detection signal 20 when an obstacle such as a passenger or an obstacle that has entered an adjacent dangerous area is detected
a is generated.

As shown in FIG. 2, the entry / exit door numbers (1 to 9) and the passenger sensor numbers (1 to 9) are 1 from the upward (that is, the advancing direction) to the downward direction in operation.
They are numbered ~ 9. The boarding / alighting door number, the train sensor number, and the passenger sensor number are associated with each other. For example, in this embodiment, the entry / exit door number (i), the train sensor number (i), and the passenger sensor number (i) are associated with each other. However, i = 1 to 9.

In this embodiment, as shown in FIG. 4, a light emitting portion (not shown) and a light receiving portion (not shown) provided on one pole member (sensor pole) 13 of the pair of pole members, Detection of passengers entering the hazardous area is carried out.

It has been done.

In this embodiment, a mirror is used as the retroreflection plate 14. As shown in FIG. 4, the retroreflective plate 14
Since the optical axes of the light emitting portion and the light receiving portion of the (mirror) and the passenger sensor 20 are adjusted, the return reflection plate 14 inside the other (mirror pole) 12 of the pair of pole members for the light beam projected from the passenger sensor 20. The passenger sensor 20 can receive the reflected light reflected by the (mirror).

The safety monitoring control means 50 controls the operation of the sensors that bring the train sensor 30 and the passenger sensor 20 into a sensible state or a non-sensable state according to the home truck entry signal 40a or the home truck exit signal 40b. The failure diagnosis of the train sensor 30 and the passenger sensor 20 is performed.

In the safety monitoring control means 50 of the present invention, the train sensor 30 when the home truck approach signal 40a is received.
And the passenger sensor 20 are turned on so that the train sensor 30 is in a train-sensing state, the passenger sensor 20 is in an obstacle-sensing state, and when the home truck missing signal 40b is received, the power is turned off. The train sensor 30 is set in the train undetectable state, and the passenger sensor 20 is set in the obstacle undetectable state to control the operation of the sensor.

[0100] This reduces the burden on the station staff and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

The operation of fault diagnosis of the train sensor 30 in the safety monitoring system for the platform 10 will be described below.

When the train detection signal 30a is received during the train undetectable state from the reception of the home truck missing signal 40b to the reception of the home truck entry signal 40a, the safety monitoring control means 50 detects the train detection signal. Signal 30a
The train sensor 30 that has generated is determined to be in failure, and failure diagnosis is performed to exclude its use (hereinafter, this failure diagnosis is referred to as “A failure diagnosis of train sensor 30”).

In addition, when the train detection signal 30a is received when the train sensor 30 is set in the train detection enabled state by receiving the home truck approach signal 40a, the safety monitoring control means 5
0 determines that the train sensor 30 is in failure and performs failure diagnosis that excludes use (hereinafter, this failure diagnosis is referred to as "train sensor 3").
0 B fault diagnosis ”).

Further, the safety monitoring control means 50 has never received the train detection signal 30a during the train-detectable state from the reception of the home truck entry signal 40a to the reception of the home truck removal signal 40b. A failure diagnosis is performed to determine that the train sensor 30 is in failure and to exclude its use (hereinafter, this failure diagnosis is referred to as “C failure diagnosis of train sensor 30”).

As a result, the burden on the station staff is reduced and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

The operation of failure diagnosis of the passenger sensor 20 in the safety monitoring system of the platform 10 will be described below.

When the obstacle detection signal 20a is received during the obstacle undetectable state from the reception of the home truck missing signal 40b to the reception of the home truck entry signal 40a, the safety monitoring control means 50 concerned The passenger sensor 20 that has generated the obstacle sensing signal 20a is determined to be in failure, and failure diagnosis is performed to exclude its use (hereinafter, this failure diagnosis is referred to as "A failure diagnosis of passenger sensor 20").

In the platform 10 provided with the transponder 60, the safety monitoring control means 50 is further provided.
However, the passenger sensor 20 that has continuously generated the obstacle detection signal 20a during the obstacle-detectable state from the reception of the home truck approach signal 40a to the closing of the train entrance / exit door is determined to be a failure. The failure diagnosis is performed to exclude the use (hereinafter, this failure diagnosis is referred to as "B failure diagnosis of the passenger sensor 20 when the transponder 60 is installed").

Further, in the platform 10 in which the transponder 60 is not provided, instead of "B failure diagnosis of the passenger sensor 20 when the transponder 60 is installed",
The safety monitoring control means 50 uses the home truck approach signal 40.
A failure diagnosis is performed to determine that the passenger sensor 20 that continuously generates the obstacle detection signal 20a during a period in which the obstacle can be detected from when a is received to when the train is departed is determined to be a failure and to exclude the use ( Hereinafter, this failure diagnosis is referred to as "B failure diagnosis of the passenger sensor 20 when the transponder 60 is not installed".

[0110] This lightens the burden on the station staff and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

The station office display panel of the safety monitoring control means 50 of this embodiment displays the operating state of the safety monitoring system of the platform 10 with LED lamps. One station office display panel displays the operating state of the safety monitoring system for both the up and down platforms 10.

The display operation of the LED lamps on the station office display panel will be described below.

Normal lamp (green) It is always lit and turns off when a minor or major failure occurs.

Light failure lamp (yellow) Lights up when there is a minor failure.

-Major failure lamp (red) Lights up when there is a major failure.

Further, the station office display panel may be provided with a buzzer as a warning means. The buzzer has two types of tones. The buzzer 1 sounds when either a light failure or a serious failure lights up, and the buzzer 2 sounds under a lighting condition of a disturbing operation.

As a result, the burden on the station staff is lightened and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

The sensor operating section of the safety monitoring control means 50 of the present embodiment displays the location of obstacles and the serious failure of the sensor for each entry / exit door 15.

The display operation of the display lamp of the sensor operation unit will be described below.

Each of the boarding / alighting doors 15 of the train lights up according to the position of the obstacle.

The position of the sensor in which the sensor serious failure has occurred is displayed by blinking operation.

The liquid crystal display unit of the sensor operation section monitors the operation status of the sensor and displays the monitoring result. The sensor monitoring operation will be described below.

A) Sensor online / offline monitoring The current status of each sensor online / offline is normally displayed. In this embodiment, the number "0" is displayed for normal and the reason for offline is displayed for others.

A) Monitoring of sensor operating status Display format (display format) same as sensor operating status
To monitor the operating status of the sensor.

C) Monitoring of input signal status The ON / OFF (operation) state of the input signal of the sensor is monitored.

D) Monitoring of output signal status The ON / OFF (operation) state of the output signal of the sensor is monitored.

E) Monitoring of fault history status The fault history data on the memory of 1000 or more in the past is displayed for every 4 cases. The fault history data is recorded on a memory card (IC card) and displayed on the liquid crystal display unit.

As described above, according to this embodiment, an obstacle such as a passenger or an obstacle that has entered a dangerous area that is excessively close to the vehicle when the train enters or starts is detected,
When it is in a dangerous state, it will warn you of that information,
In some cases, failure diagnosis is performed by prompting the vehicle to stop and further diagnosing the passenger sensor 20 that senses an obstacle and the train sensor 30 that senses the entrance or departure of the train, and excludes the sensor that is determined to be the malfunction and disconnects it. Can be realized.

This reduces the burden on the station staff and
It is possible to realize a safety monitoring system for the platform 10 which can improve safety and reduce cost.

[0130]

According to the platform safety monitoring system of the present invention, when a vehicle enters or starts, an obstacle such as a passenger or an obstacle that has entered a dangerous area that is excessively close to the vehicle is sensed to detect a danger. In such a situation, it is possible to give an alarm to that effect, reduce the burden on the station staff, improve safety, and realize a platform safety monitoring system that can reduce costs.

[Brief description of drawings]

FIG. 1 is a functional block diagram of a platform safety monitoring system according to an embodiment of the present invention.

FIG. 2 is a plan view of a platform safety monitoring system according to an embodiment of the present invention.

FIG. 3 is an enlarged view of a platform safety monitoring system showing an embodiment of the present invention.

FIG. 4 is an installation view of passenger sensors in a pair of pole members showing an embodiment of the present invention.

FIG. 5 is an installation diagram of a train sensor in a pole member (sensor pole) showing an embodiment of the present invention.

[Explanation of symbols]

 10 ... Platform 20 ... Passenger sensor 20a ... Obstacle sensing signal 30 ... Train sensor 30a ... Train sensing signal 40 ... Home truck circuit 40a ... Home truck approach signal 40b ... Home truck missing signal 50 ... Safety monitoring control means 60 ... Transponder 61 ... Transponder car

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location G01V 8/20

Claims (9)

[Claims] 1. When a train enters or starts, an obstacle such as a passenger or an obstacle that has entered a dangerous area that is excessively close to the vehicle is sensed, and when the train is in a dangerous state, the information to that effect is warned. , A platform safety monitoring system that prompts the vehicle to stop in some cases. It generates a home truck entry signal when a train enters the home track, and a home truck missing signal when the train passes the home track. A certain number of home truck circuits are installed on the platform, and a train sensor that generates a train detection signal when a train is detected when the train can be detected. Detects obstacles such as passengers or obstacles installed in front of the dangerous area that is too close to the vehicle while obstacles can be detected A passenger sensor that generates an obstacle detection signal, and operation control of a sensor that makes the train sensor and the passenger sensor in a sensible state or a non-detectable state in response to the home truck approach signal or the home truck missing signal And a safety monitoring control means for diagnosing the failure of the train sensor and the passenger sensor, and the safety monitoring system for the platform. 2. The safety monitoring control means sets the train sensor to a train-detectable state and obstructs the passenger sensor from the time when the home truck approach signal is received until the time when the home truck exit signal is received. In the object-sensing state, the train sensor is in the train-undetectable state and the passenger sensor is in the obstacle-undetectable state between the reception of the home truck missing signal and the reception of the home truck entry signal. The safety monitoring system for a platform according to claim 1, wherein the operation control of the sensor is performed. 3. The safety monitoring control means turns on the power supply of the train sensor and the passenger sensor when the home truck approach signal is received to bring the train sensor into the train-sensing state and the passenger sensor. To the obstacle detection state, and when the home truck missing signal is received, the power is turned off to set the train sensor to the train detection state and the passenger sensor to the obstacle detection state. The safety monitoring system for a platform according to claim 1, wherein the operation control of the sensor is performed. 4. The safety monitoring control means, when the train detection signal is received during the train undetectable state from the reception of the home truck missing signal to the reception of the home truck entry signal, The train sensor that generated the train detection signal is determined to be faulty, and the fault diagnosis that excludes use is performed, wherein the fault diagnosis is performed.
Platform safety monitoring system described in. 5. The safety monitoring control means, when the train detection signal is received when the train sensor enters the train detection state by receiving the home truck approach signal,
The fault diagnosis is performed to determine that the train sensor is faulty and to exclude the use of the train sensor, and the fault diagnosis is performed.
Platform safety monitoring system described in. 6. The safety monitoring control means never receives the train detection signal during the train-detectable state from the reception of the home truck entry signal to the reception of the home truck exit signal. The said failure diagnosis which judges that the said train sensor is a failure, and excludes use is performed, Claim 1, Claim 2 or Claim 3 characterized by the above-mentioned.
Platform safety monitoring system described in. 7. The safety monitoring control means receives the obstacle detection signal during the obstacle undetectable state from the reception of the home truck missing signal to the reception of the home truck entry signal. At this time, the passenger sensor that has generated the obstacle detection signal is determined to be in failure, and the failure diagnosis for excluding the use is performed, wherein the failure diagnosis is performed.
Platform safety monitoring system described in. 8. The safety monitoring control means continuously generates the obstacle sensing signal during the obstacle sensing state from the reception of the home truck approach signal to the closing of the train door. 4. The failure diagnosis for judging the failure of the passenger sensor that has continued to be performed and excluding the use is performed, and the failure diagnosis is performed.
Platform safety monitoring system described in. 9. The safety monitoring control means continuously generates the obstacle sensing signal during the obstacle sensing state from the reception of the home truck approach signal to the departure of a train. The failure diagnosis is performed to determine that the passenger sensor is in failure and exclude the use of the passenger sensor, and the failure diagnosis is performed.
Platform safety monitoring system described in.