KR101100865B1 - Door control unit operating system for platform screen door control - Google Patents

Abstract

PURPOSE: A DCU(Door Control Unit) operating system for PSD(Platform Screen Door) control is provided to select and set a car of an electric train to be opened according to the number of PSDs by controlling an image sensor and an area sensor. CONSTITUTION: A DCU operating system for PSD control controls the driving of PSDs and operates DCU(100) according to control signals of a platform screen center(200). The DCU communicates with the platform screen center to set parameters for the PSDs and monitors the set parameters. The DCU comprises a PSD speed controller(110) which drives a motor and controls the opening speed of the PSDs when a control signal is transmitted from the platform screen center, a PSD operation controller(120) which controls the opening and closing of the PSDs depending on the sensing of an image sensor and an area sensor, and an electric lock controller(130) which controls electric lock to keep the PSDs closed.

Description

DC Control System for PSD Control {Door Control Unit Operating System For Platform Screen Door Control}

The present invention relates to a DCU operating system for PSD control, and more particularly, to indirectly control the motor drive through CAN (Controller Area Network) serial communication, and the PSD (Platform Screen Door) The present invention relates to a DCU operation system for PSD control that can be operated at low cost by providing monitoring and can provide high reliability through smooth communication.

The present invention relates to a DCU operating system for PSD control.

In general, the platform of the subway consists of a structure in which the track side is opened to allow passengers to ride on the electric vehicle, at which time passengers who are waiting for the electric vehicle frequently fall into the track, causing passengers to always be in danger. It was exposed.

Therefore, in recent years, a lot of PSDs are installed in the history of stopping electric cars for the safety of passengers, and the number is gradually spreading.

To ensure the safety of customers, smooth communication between the device related to the control of the PSD and the device related to the PSD control on the ground in the electric vehicle is ensured.

In addition, the conventional PSD was inconvenient to set the door opening separately according to the type of train to stop by history, and there was the inconvenience of having to work external cables at the last position because the solid line termination switch is not built in.

An object of the present invention devised to solve the above problems is to indirectly control motor drive and PSD monitoring through CAN serial communication, which is an asynchronous communication method, and can operate at low cost and ensure high reliability by smooth signal transmission. It is to provide a DCU operating system for the PSD control.

In addition, another object of the present invention is to control the operation of the electric well holding the door to maintain the closed state of the PSD when the PSD is closed, to control the image sensor and obstacle sensor, according to the number of PSD It is possible to select and set, and to provide a switch for setting the use of the door according to the installation position of the crew entrance door and track entrance door to provide a DCU operation system for PSD control to facilitate the convenience and accuracy of PSD operation.

In addition, another object of the present invention is to integrate the DCU (Door Control Unit) to open and close the PSD and AC power supply unit to supply its own power to improve the opening and closing performance of the PSD, maintenance of the equipment and Inexpensive and efficient management, and automatic opening and closing to induce passengers to get on and off even in the event of a failure or signal error of the automatic driving device, thereby preventing safety accidents and ensuring passenger reliability. This is to provide a DCU operation system for PSD control that is effective.

In addition, another object of the present invention is to provide a door open solid line setting switch for selecting the solid line input according to the solid line of the electric vehicle, solid line and communication termination setting switch, additionally installed PSD operation setting switch to be easily set and operated This is to provide a DCU operation system for PSD control.

According to a feature of the present invention for achieving the above object, the present invention is installed in the PSD, receives a control signal from the integrated control panel to control the opening and closing of the PSD (Platform Screen Door) by receiving the information of the electric vehicle In the system for controlling the drive of the PSD, the DCU (Door Control Unit) operating system, DCU, PSD speed control unit for controlling the opening and closing speed of the PSD by driving a motor when a control signal is transmitted from the integrated control panel; A PSD motion control unit for controlling opening and closing of the PSD when an obstacle detection signal is detected from the image sensor and the area sensor; And an electrostatic controller controlling an electrostatic well to maintain the closed state when the PSD is in the closed drive state. Includes, the DCU, CAN (Controller Area Network) communication with the integrated control panel to monitor the drive control and operation of the PSD, each of the CAN communication port (port) is provided with a pair, the DCU, the integrated CAN communication with the control panel to set the parameters of the PSD and to monitor the set parameters.

In addition, the DCU is connected to a BLDC (brushless DC) motor by a power line and a communication line, and when the BLDC motor is driven by supplying power to the BLDC motor through the power line, CAN communication with the BLDC motor through the communication line And process the output signal transmitted to control the operation and emergency stop of the PSD.

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In addition, the electrostatic well is connected to the EM-LOCK of the DCU, characterized in that the solenoid switch.

In addition, the DCU processes the control signal transmitted from any one of a chime device, a floor LED device, a door lamp device, and an audio output device, and transmits the control signal together with opening and closing of a PSD. It is characterized by driving one device.

In addition, the DCU operating system, if the open drive of each PSD is set by the individual switch installed in the front of each DCU, characterized in that the open drive of the PSD is set by the open drive to control the open drive of the PSD, respectively. do.

According to the present invention as described above, indirect control of the motor drive and PSD monitoring through the CAN serial communication, which is an asynchronous communication method, can be operated at a low cost and for PSD control that ensures high reliability by smooth signal transmission DCU operating system can be provided.

In addition, according to the present invention, when the PSD is closed to control the operation of the electric well holding the door to maintain the closed state of the PSD, to control the image sensor and the area sensor, and to set by selecting the electric vehicle open cabin according to the number of PSD In addition, by providing a switch for setting the use of the door according to the installation position of the crew entrance door and the track entrance door can provide a DCU operation system for PSD control to facilitate the convenience and accuracy of the PSD operation.

In addition, according to the present invention there is an effect of improving the opening and closing performance of the PSD by integrating the DCU (Door Control Unit) for opening and closing the PSD and AC power supply to supply its own power, and the maintenance and management of the facility is cheap It is effective to prevent accidents and to ensure the safety of passengers. DCU operation system for PSD control can be provided.

In addition, according to the present invention, the door open room line setting switch for selecting the open room line input according to the cabin of the electric vehicle, the solid line and the communication end setting switch, and the PSD operation setting switch additionally installed PSD can be easily set and operated DCU operating system for control can be provided.

1 is a block diagram showing a DCU operation system for PSD control according to an embodiment of the present invention.
2 illustrates elements of a DCU operating system for PSD control in accordance with a preferred embodiment of the present invention.
3 is a front view of a DCU operating system for PSD control according to a preferred embodiment of the present invention.
4 is a bottom view of a DCU operating system for PSD control in accordance with a preferred embodiment of the present invention.
5 is a right side view of a DCU operating system for PSD control according to a preferred embodiment of the present invention.
6 is an internal connection diagram of a DCU operation system for PSD control according to an embodiment of the present invention.
Figure 7 is a schematic diagram showing the position where the DCU is actually installed in the DCU operating system for PSD control according to an embodiment of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for describing a DCU operating system for PSD control according to embodiments of the present invention.

1 is a block diagram showing a DCU operating system for PSD control according to a preferred embodiment of the present invention, Figure 2 is a view showing the elements of the DCU operating system for PSD control according to a preferred embodiment of the present invention, 3 is a front view of a DCU operating system for PSD control according to a preferred embodiment of the present invention, Figure 4 is a bottom view of a DCU operating system for PSD control according to a preferred embodiment of the present invention, Figure 5 is FIG. 6 is a right side view of a DCU operating system for PSD control according to a preferred embodiment of the present invention. FIG. 6 is a diagram illustrating an internal connection of a DCU operating system for PSD control according to a preferred embodiment of the present invention. In the DCU operating system for PSD control according to the example is a schematic diagram showing the location where the DCU is actually installed.

Receiving the information of the electric vehicle 300 according to a preferred embodiment of the present invention receives a control signal from the general control panel 200 for controlling to open and close the PSD (Platform Screen Door) 400 to drive the PSD 400 The DCU 100 controls the PSD speed control unit 110, the PSD operation control unit 120, and the electrostatic control unit 130 in a system for controlling a DCU (Door Control Unit) 100 installed in the PSD 400. Include.

The PSD speed controller 110 controls the opening and closing speed of the PSD 400 by driving a motor when a control signal is transmitted from the integrated control panel 200.

That is, the DCU 100 receives the control signal from the integrated control panel 200 to control the opening and closing speed of the PSD 400.

The PSD motion controller 120 controls the opening and closing of the PSD 400 when an obstacle detection signal is detected from the image sensor and the area sensor.

At this time, the area sensor is connected to the area sensor connection unit 190 as shown in Figure 3, the area sensor is composed of two connectors for the transmitter and the receiver, the transmitter is for operating the area sensor, the receiver is the It is for checking the status and result.

The image sensor and the area sensor detect various obstacles occurring in the PSD 400 and transmit them to the PSD motion control unit 120 of the DCU 100.

The electrostatic controller 130 controls an electrostatic well to maintain the closed state when the PSD 400 is in the closed driving state.

The electric well is connected to the EM-LOCK 140 of the DCU 100, as shown in Figure 3, it is preferable that the solenoid switch 150 is applied.

In this case, it is preferable that the regular well is determined as an abnormality in the electric well when the electric well is not released and locked when the closing operation is completed, or when the electric well is forcibly released after the closing operation is completed.

The DCU 100 is CAN and Controller Area Network (CAN) communication with the control panel 200 to monitor the driving control and operation of the PSD 400, but the CAN communication port (port) is preferably provided with a pair each Do. In other words, the CAN communication port between the DCU 100 and the integrated control panel 200 is configured in redundancy.

In addition, the DCU 100 receives signals from peripheral switches and sensors to control the operation of the PSD 400.

In this case, the sensors may be an area sensor and an image sensor, and the area sensor may be connected to the transmitter and the receiver to the area sensor connector 190, respectively, and the transmitter may provide an output function for operating the area sensor. The receiver performs a function of checking the state and the result of the area sensor.

In addition, the integrated control panel 200 is preferably in communication with the PSD 400 and the controller area network (CAN) to monitor the driving control and operation of the PSD (400).

In other words, the DCU 100 performs CAN communication with the integrated control panel 200 in order to monitor the driving control and operation state of the PSD 400, and the CAN communication is preferably configured in redundancy.

In addition, the DCU 100 processes the control signal transmitted from any one of a chime device, a floor LED device, a door lamp device, and an audio output device, thereby driving the opening and closing of the PSD 400. Drive the device that transmitted the control signal together.

In addition, the DCU 100 may be in CAN communication with the integrated control panel 200 to set parameters of the PSD 400, and monitor the set parameters.

At this time, the setting of the parameter is shown in Table 1 below, it is preferable that the PSD 400 operates as the set parameter.

Item
Details
Setting range
Contents Review door
Opening time Door open time setting 2.5 ~ 5 sec Door operation time of opening section door
Closing time Set door closing time 2.5 ~ 5 sec Door operation time of closing section

Open setting Open acceleration (ΔV / 1 second) 0 to 4000 rpm Speed change amount of open acceleration section Opening speed 0 to 2500 rpm Opening speed Open deceleration (ΔV / 1 second) 0 to 4000 rpm Speed change amount of open deceleration section

Closed setting Closed acceleration (ΔV / 1 second) 0 to 4000 rpm Speed variation of closed acceleration section Closing speed 0 to 2500 rpm Closing speed Closed acceleration (ΔV / 1 second) 0 to 4000 rpm Speed change amount of closed deceleration section Resealable setting Reopening width after detecting obstacle / obstacle detection sensor 0 to 1032 mm Reopening operation distance when detecting obstacle / obstacle sensor Obstacle detection responsiveness
(Following Error) 0-1000 Sensitivity
(The smaller the value, the more sensitive) obstacle/
Obstacle Sensor /
Image detection sensor
The number of detections Retries 0-10 times Number of repetitions to generate close alarm by detecting obstacle / obstacle sensor / image detection sensor

Obstacle sensor /
Image detection sensor After door closed
Sensor operating time 0-10 s Obstacle Sensor Validity Time After PSD is Closed Sensor operation setting Image sensor
Enable /
Obstacle sensor
Enable / Enable / Disable Sensor Train stop Enable /
Disable Handle obstacle sensor to be valid only when exact stop signal is input

Buzzer operation ON flashing interval (open) 0-15 Hz Buzzer sound setting (during open low speed operation) ON flashing interval (closed) 0-15 Hz Buzzer sound setting (closed low speed operation) ON flashing interval (abnormal) 0-15 Hz Buzzer sound setting (abnormal state)
lock
(Electrostatic) Retries 0-7 times The number of retries if the electric lock is not released / locked

Fault detection CPU reset, communication error, drive power error, overload, locking device error, manual open, obstacle sensor error

ON / OFF Initialization operation Opening width measurement of the door

At this time, the parameter setting as shown in Table 1 is preferably configured to be set using the monitoring program of the integrated control panel 200.

As shown in FIG. 3, the DCU 100 is connected to a brushless DC (BLDC) motor 180 by a power line 170 and a communication line 160, and a brushless DC through the power line 170. When the BLDC motor 180 is driven by supplying power to the motor 180, the PSD 400 is always operated by processing an output signal transmitted through CAN communication with the BLDC motor 180 through the communication line 160. And emergency stop.

At this time, the motor power is always supplied by the transformer 101 and the rectifier 102 to drive the motor and generate a control signal by CAN communication.

After the DCU 100 is installed on-site, it is preferable to perform initialization (door width measurement) operation so as to automatically operate in conjunction with the integrated control panel 200.

As shown in FIG. 7, the DCU 100 is provided with an electric well and a motor in a header box installed at the top of the actual PSD 400, and is directly connected to the electric well and the motor.

At this time, the solenoid switch 150 is applied to the electric well, the motor is most preferably applied to the BLDC motor 180.

The integrated control panel 200 may be connected to a wireless device or a train door sensor device installed in a platform, and may transmit the open and close commands received from the two devices to the DCU 100.

In addition, the DCU (100) operating system, if the opening drive of each PSD 400 is set by an individual switch (not shown) installed in the front of each DCU (100), the opening drive is set PSD (400) Drive open.

Accordingly, the DCU 100 operating system can individually control the opening driving of the PSD 400.

That is, it can be set to distinguish the open command to each of the cabin of the electric vehicle 300 by an individual switch (not shown) installed in the front of each DCU (100), PSD only for the cabin corresponding to the DCU (100) 400 is operated to open and set and change according to the type of the electric vehicle 300 to stop by history using the individual switch (not shown).

In addition, the individual switch (not shown) may set the opening operation of the PSD 400 according to the presence or absence of use of the crew entrance door and the track entrance door.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is indicated by the scope of the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalent concept are included in the scope of the present invention. Should be interpreted.

100: DCU 110: PSD speed control unit
120: PSD motion control unit 130: Electric static control unit
140: EM-LOCK 150: Solenoid Switch
160: communication line 170: power line
180: BLDC motor 190: area sensor connection
200: control panel 300: electric vehicle
400: PSD

Claims (6)

In the system installed in the PSD, receiving a control signal from the control panel to control the opening and closing of the platform (Platform Screen Door) by receiving the information of the electric vehicle to control the driving of the PSD, in a system operating a DCU (Door Control Unit) ,
The DCU,
PSD speed control unit for controlling the opening and closing speed of the PSD by driving a motor when a control signal is transmitted from the integrated control panel;
A PSD motion control unit for controlling opening and closing of the PSD when an obstacle detection signal is detected from the image sensor and the area sensor; And
An electrostatic controller controlling an electrostatic well to maintain a closed state when the PSD is in a closed drive; Including,
The DCU is connected to a general control panel and CAN (Controller Area Network) to monitor the driving control and operation state of the PSD, but each CAN communication port (port) is provided with a pair,
The DCU,
DCU operation system for PSD control, characterized in that the CAN communication with the integrated control panel to set the parameters of the PSD and monitor the set parameters.
The method of claim 1, wherein the DCU,
It is connected to BLDC (brushless DC) motor by power line and communication line,
When the BLDC motor is driven by supplying power to the BLDC motor through the power line, processing the output signal transmitted by CAN communication with the BLDC motor through the communication line to control the operation and PSD of the PSD DCU operating system for control.
delete The method of claim 1, wherein the electrostatic tablet,
DCU operation system for PSD control, characterized in that the solenoid switch is connected to the EM-LOCK of the DCU.
The method of claim 1, wherein the DCU,
Processing a control signal transmitted from any one of a chime device, a floor LED device, a door lamp device, and an audio output device to drive a device that transmits the control signal along with opening and closing of a PSD; Features a DCU operating system for PSD control.
According to claim 1, The DCU operating system,
When the open drive of each PSD is set by an individual switch installed in front of each DCU, the DCU operation system for PSD control, wherein the open drive of the PSD is controlled by opening the open drive. .

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