KR20160142926A - System and method for controlling platform safe doors - Google Patents

System and method for controlling platform safe doors Download PDF

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Publication number
KR20160142926A
KR20160142926A KR1020150078537A KR20150078537A KR20160142926A KR 20160142926 A KR20160142926 A KR 20160142926A KR 1020150078537 A KR1020150078537 A KR 1020150078537A KR 20150078537 A KR20150078537 A KR 20150078537A KR 20160142926 A KR20160142926 A KR 20160142926A
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KR
South Korea
Prior art keywords
control
door
landing
control unit
panel
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KR1020150078537A
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Korean (ko)
Inventor
김현주
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(주)소명
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Priority to KR1020150078537A priority Critical patent/KR20160142926A/en
Publication of KR20160142926A publication Critical patent/KR20160142926A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/40—Application of doors, windows, wings or fittings thereof for gates
    • E05Y2900/404—Application of doors, windows, wings or fittings thereof for gates for railway platform gates

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Abstract

A system and a method for controlling a platform safety door having excellent stability and reliability are disclosed. The system for controlling a platform safety door comprises: a main control panel which is connected to a first full-line control line for a full-line control with partial components of a platform safety door system; one or more auxiliary control panels which are connected to a second full-line control line for a full-line control with the remaining components of the platform safety door system; and an individual control panel which is included in the components and controls the operation of an individual door of the platform safety door system according to the control command of the main control panel or the auxiliary control panel.

Description

TECHNICAL FIELD [0001] The present invention relates to a safeway door control system,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a platform safe door control system and method, and more particularly, to a platform safe door control system and method that can be applied to a platform that is capable of coping with a change in train type.

Platform Safe Doors (PSD) is a safety device that is installed at the platform of the train station to shut off the platform and lines. It automatically or manually opens and closes the door according to the arrival of the train. Platform Screen Doors (PSD) .

In general, the platform safe door control system includes a control panel, an operation panel, a sensor, and the like for controlling or monitoring the opening and closing operations of the safes installed in correspondence with the doors of the train.

On the other hand, the conventional safe safe door is configured to secure the safety of the passenger while being opened and closed in connection with the door of the train when the train is stopped. Therefore, the conventional platform safe doors have limitations that can not be applied to a platform where the trains having different roads or door positions are operated.

In addition, the conventional platform safe door control system can be used for an urban railway platform such as a subway having a relatively short length. However, when the platform is installed in a relatively long platform such as a high-speed railway or a general railway, There is a problem that an error occurs in the case of long-distance communication or control because of a long length.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method and apparatus for communication and / or control, And to provide a platform safe door control system and method capable of preventing an error from occurring.

Another object of the present invention is to provide a platform safe door control system and method that can effectively prevent the system from being shut down even in an emergency such as breakdown or accident.

According to an aspect of the present invention, there is provided an elevator control system, comprising: a main control unit connected to a plurality of components of a landing safty door system and a first solid line control line for solid line control; One or more auxiliary control panels connected to the remaining components of the landing safed door system and a second solid line control line for solid line control; And an individual control panel included in the components and controlling an individual door operation of the landing safeway door system in accordance with a control command of the main control unit or the auxiliary control board.

In one embodiment, the length of the platform on which the platform safe door system is applied may be 200M or more.

In one embodiment, the platform safe door of the platform safe door system may include a Rofe type Platform Safe Door of a vertical opening and closing type.

In one embodiment, the platform safe door control system may further include at least one or more of a train detection sensor, one or more door detection sensors, one or more platform control panels, and one or more cabin control panels.

In one embodiment, the auxiliary control panel includes an interlocking control unit, a switching hub, a control computer, and an operation panel, wherein the interlocking control unit provides an Ethernet interface between the main control unit and the system components and the switching hub is connected to the interlocking control unit and the control computer, And the control computer connects the switching hub and the monitor, and the operation panel is connected to the interlocking control unit and can input a user command for up / down operation or door / door operation.

According to another aspect of the present invention, in a main control unit connected to some components of a landing safty door system and a first solid line control line for solid line control, Controlling one or more first gates; And one or more auxiliary control panels connected to a second solid line control line for solid line control with the remaining components of the platform safe door system

And controlling one or more second doors included in the remaining components in accordance with entry or advancement of the electric vehicle of the landing platform, wherein the individual control panels included in the components include the main control unit or the auxiliary control unit There is provided a platform safe door control method for controlling the individual door operation of the landing safeway door system in accordance with a control command.

In one embodiment, the landing safeway door control method includes the steps of controlling some components including a separate control panel connected to the failed control panel when either the main control unit or the auxiliary control unit fails, the other of the main control unit and the auxiliary control unit .

In one embodiment, during normal operation of the landing safed door system, the step of controlling the second door may operate such that the main control board relays the command of the main control unit and the main control unit controls the second door.

According to the present invention, a landing safeway door control system and method capable of preventing the occurrence of errors in communication and / or control even when the length of the landing area is relatively longer than the length (e.g., less than 200M) Can be provided. That is, by using the multi control panel structure of the main control panel and the auxiliary control panel, it is possible to prevent the communication and / or control error from occurring, thereby securing excellent reliability for the platform safe door control system, There is an advantage that usability can be improved.

In addition, according to the present invention, it is possible to provide a high-stability safe safe door control system and method that can effectively prevent a system operation stop even in the event of an emergency such as a failure or an accident of some control panel by using a multiple control board structure. Further, by using the auxiliary control panel, it is possible to obtain effects such as reduction of the material cost of the communication line, improvement of the maintenance efficiently, or shortening the working time for installation or maintenance.

1 is a schematic diagram of a landing safeway door control system in accordance with an embodiment of the present invention.
2 is a block diagram illustrating the structure of the auxiliary control panel of FIG.
3 is a schematic diagram of a platform safe door control system in accordance with another embodiment of the present invention.
Fig. 4 is an exemplary view of a landing safe door to which the landing safty door control system of Fig. 1 or Fig. 3 can be applied.
FIG. 5 is an exemplary view of another platform safe door to which the platform safe door control system of FIG. 1 or FIG. 3 may be applied.
FIG. 6 is an exemplary view showing the landing safe doors of FIG. 4 and the lengths of various types of trains.

The present invention described below can make various changes and have various embodiments, and specific embodiments will be illustrated and described in detail in the drawings. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first, second, A, B, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In order to facilitate the understanding of the present invention, the same reference numerals are used for the same constituent elements in the drawings and redundant explanations for the same constituent elements are omitted. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a schematic diagram of a landing safeway door control system in accordance with an embodiment of the present invention.

Referring to Fig. 1, a landing safemode control system (hereinafter, simply referred to as a door control system) according to the present embodiment includes a main control unit 11, an auxiliary control unit 12 and an individual control unit 13. The main control unit 11, the auxiliary control unit 12, and the individual control unit 13 are connected to each other by wires such as cables for real-line control, and can communicate using a CAN (Controller Area Network) communication method. For the CAN communication, the main control unit 11, the auxiliary control board 12 and the individual control board 13 can be connected by CAN communication duplication and solid lines. At least one of the main control unit 11, the auxiliary control unit 12 and the individual control unit 13 is provided with a wireless RF device for wireless communication with a train, a main control unit and / or a general control unit . The door control system may further include at least one or more of at least one train detection sensor 14, at least one door detection sensor 15, at least one platform control panel 16, and at least one crew control panel 17.

First, the main control unit 11 receives sensor information of the PSD open / close and controls the motor installed in the PSD. The main control unit 11 may be referred to as a first control panel. The main control unit 11 transmits the status information of the PSD to the integrated control panel 18, controls the operation of the speaker, the lamp output, and the charging device, and performs operations such as event information, failure information, Can be performed.

The auxiliary control panel 12 relays or backs up various control commands of the main control unit 11 through the constant monitoring of the solid line when executing various control commands of the main control unit 11. [ The sub control panel 12 may be referred to as a second control panel.

The auxiliary control panel 12 is also provided so as to be able to control the opening and closing operation of the PSD when the main control unit 11 malfunctions or when the landing panel 16 or the crew operating panel 17 fails or is in an emergency. For the main control of the PSD, the auxiliary control board 12 can be connected to the main control board 11 and / or the individual control board 13 via a CAN communication method, and can also be installed to use a solid line control method.

Of course, the auxiliary control panel 12 may include a wireless RF device for transmitting and receiving operation information of a train or a train. The communication system includes a redundant structure of a device and / or a circuit for ensuring reliability, and is implemented so as to be controlled by a solid line when a communication line or a communication circuit fails. In particular, when the main control unit 11 malfunctions or during an emergency operation, the entire PSD is implemented so as to operate simultaneously without any difference in opening / closing time of individual doors. To this end, the wiring between the auxiliary control board 12 and / or the main control board 11 and the individual control board 13 can be configured at least in a parallel manner.

The main control unit 11 or the auxiliary control unit 12 described above is a control device which includes an interlocking control unit 121, a control computer 122, a switching hub 123, an operation panel 124, (125).

The interlocking control unit 121 can support CAN communication between the main control unit 11 and the auxiliary control board 12 and the individual control board 13. [ In addition, the interlocking controller 121 may perform an interface with an automatic train operation (ATO) signal and an emergency line, and may perform Ethernet communication with the control computer 122.

The control computer 122 monitors the status of the platform safe door (PSD) or the related device through communication with the interlocking controller 121, and controls the operation of the PSD. In addition, the control computer 122 may perform storage and output of various data, generation of a log file, statistics and analysis of the collected data, and may perform Ethernet communication with an upper control system or a comprehensive control panel 18.

The switching hub 123 may be responsible for the Ethernet interface between the central control system or the integrated control panel 18 and the control computer 122.

The operation panel 124 can designate the PSD operation mode, control the opening and closing of the PDS, have the function of setting and stopping the PDS lock, and display the status of the PSD through the monitor. Also, the operation panel 124 can be separated into a commercial line (upper line) and a lower line (downline) operation panel line door, and the monitor 125 can display not only PSD status but also predetermined PSD related information.

Referring again to FIG. 1, the main control unit 11 and the auxiliary control unit 12 can normally control the area (including the components) of the landing safe door system in a substantially similar manner. In that case, the auxiliary control panel 12 can operate to relay commands of the main control unit 11 for the corresponding component. When the main control unit 11 and the auxiliary control unit 12 fail or when an emergency occurs, the remaining one can be implemented to control the entire platform safe door. A failure of the main control unit 11 or the auxiliary control panel 12 is set when a normal transmission or reception signal is not received for a predetermined period of time or a signal containing a predetermined error message is received or an input of a specific manager command is received from the outside .

The individual control panel 13 is responsible for communication and control of one landing door security system of the landing screen door system. The individual control panel 13 may be referred to as a DCU (Door Control Unit). The individual control panel 13 can receive the door opening / closing command from the main control unit 11 and / or the auxiliary control panel 12 and can control door opening / closing according to the command. For control of the door operation, the individual control panel 13 can function as an interface between the main control unit 11 and / or the auxiliary control panel 12 and various mechanisms of the platform safe door. That is, the individual control panel 13 monitors various sensors related to the landing safe door and transmits the monitoring result to the main control unit 11 and / or the auxiliary control unit 12, or the main control unit 11 and / In response to the control of the platform safe door.

Here, various sensors may include a door open / close detection sensor, an obstacle detection sensor, a PED (Platform End Door) / EED (Emergency Escape Door) proximity sensor, a stationary stop sensor, The door open / close detection sensor or the PED / EED proximity sensor may include a door entrance sensor 15.

The platform control panel 16 is installed so that the station personnel can manually control the PSD. The platform control panel 16 may display the current status of the PSD, unlock the PSD, and provide an override function, and may transmit the status and control information of the PSD to the main control panel 11 and / or the sub control panel 12 have.

The crew operator panel 17 is installed so that the station personnel or the train operator can manually control the PSD. The station personnel or engineer can unlock the PSD or override the PSD operation via the crew operator panel 17. The status and control information in the cabin operator panel 17 can be transmitted to at least one of the main control unit 11, the auxiliary control board 12 and the general control board 18. [

The integrated control panel 18 receives the PSD status information from the main control unit 11 and / or the auxiliary control panel 12 and transmits a control command to at least one of them. The comprehensive control panel 18 can transmit and receive related information in the history with the host system, and can store operational information and alarm information in the history. In addition, the integrated control panel 18 can control the opening and closing of the platform safe door (PSD) in conjunction with the ATO, and can generate statistics and analysis of information and various reports.

The uninterruptible power supply (UPS) 19 can supply emergency power to at least one of the main control unit 11, the auxiliary control unit 12, and the integrated control unit 18 when the commercial power supply is disconnected.

The forward position detection sensor 20 senses the entry and exit of a train or a train into the track and the stopping of the forward position. The stationary position detection sensor 20 may be constituted by a sensor for measuring the distance from the stationary position of the train or train and the measurement information may be transmitted to the main control unit 11 and / The fixed position detection sensor 20 may include a train detection sensor 14 for detecting a train.

The solid line control line 21 includes a first solid line control line 21a, a second solid line control line 21b and a third solid line control line 21. The first solid line control line 21a in the first portion of the platform safe door includes a part of the individual control panel 13, a part of the train detection sensor 14, the door entrance sensor 15, a part of the platform control panel 16, Position detecting sensor 20 and the main control unit 11 are connected to each other. The second solid line control line 21b in the second portion of the landing safe door is connected to the remaining partial control boards 13 and the remaining partial land detection sensors 14 and the remaining partial landing control boards 16 and the auxiliary control boards 12 Connect. The third solid line control line 21 connects the main control unit 11 and the integrated control panel 18. The main control unit 11 and the general control board 18 may be connected to each other through a communication control line 22 of a dual structure for CAN communication.

The communication control line 22 can connect the main control unit 11, the auxiliary control unit 12 and the individual control unit 13 in a CAN communication redundancy structure in addition to the connection of the general control board 18 and the main control unit 11. [

3 is a schematic diagram of a platform safe door control system in accordance with another embodiment of the present invention.

3, the landing safty door control system according to the present embodiment includes a main control unit 11, a first sub control board 12a, a second sub control board 12b, and a plurality of individual control boards 13 . The main control unit 11, the first and second sub control boards 12a and 12b and the plurality of individual control boards 13 are connected to each other by wires or solid lines such as cables for solid line control, . The main control unit 11, the first sub control board 12a, the second sub control board 12b and the plurality of individual control boards 13 may be connected to each other via the CAN communication duplex structure for CAN communication.

At least one of the main control unit 11, the first sub control panel 12a, and the second sub control board 12b may be a wireless RF (Radio Frequency Identification) device for wireless communication with a train, a main control unit and / Device. The door control system includes at least one train detection sensor 14, at least one door detection sensor 15, at least one lift control panel 16, at least one crew control panel 17, an emergency door control panel 23, 24). ≪ / RTI >

The door control system according to this embodiment is substantially the same as the door control system described above with reference to FIG. 1, except that the auxiliary control panel is divided into a first sub control panel 12a and a second sub control panel 12b, The detailed description of the components is omitted for the sake of redundancy.

Fig. 4 is an exemplary view of a landing safe door to which the landing safty door control system of Fig. 1 or Fig. 3 can be applied.

Referring to FIG. 4, the landing safe door 40 according to the present embodiment is a door of a right and left opening and closing type, and can have a hook type, a cam type, a roller type, and a composite type, depending on the type of the locking device. Here, the locking device strongly serves to fix the door of the landing safe door so that it can not be opened except during normal operation.

The platform on which the platform safe door 40 of the left and right opening and closing system is installed corresponds to the place where a train or a train enters into history and a passenger gets on and off. These platforms are intended for trains or trains with doors at regular intervals or locations.

On the other hand, when a train or a train having different gaps or positions of different gates enters the above-mentioned platform, there may occur a problem that the gates of the trains are blocked by the platform safe doors in the trains stopped at the platform. However, since the landing area is usually shorter than 200M, there is no need to deal with the problem of a large error in the solid line control due to signal attenuation due to an increase in the length of the solid line control line.

However, when the door control system according to the present embodiment is used, even when any one of the control devices (control panels) fails due to the application of the door control system having the auxiliary control panel in the platform where the platform safe door It is possible to reliably and constantly control the platform safe door without stopping the operation of the door control system by using the control device.

FIG. 5 is an exemplary view of another platform safe door to which the platform safe door control system of FIG. 1 or FIG. 3 may be applied.

Referring to FIG. 5, the landing safe door according to the present embodiment may include a roof type platform safe door (RPSD) 50 which is a landing safe door of a vertical opening / closing type.

The platform safe door system using the RPSD has a structure in which the entire platform is opened and closed by a rope-shaped door except for the posts and the upper tray. Therefore, various types of electric vehicles It can be applied to a platform where a train stops.

FIG. 6 is an exemplary view showing the landing safe door of FIG. 5 and various types of trains.

As shown in FIG. 6, the positions of the doors of the trains such as Nuriro, Mugunghwa, Saemaul, and KTX are different from each other.

Therefore, a platform safe door (see Fig. 5) of a vertical opening / closing type can be applied to a platform where different kinds of trains are stopped, instead of a platform safe door of a right and left opening / closing type (see Fig. 4).

According to the above-described embodiment, in the main control unit connected to some components of the landing safe door system and the first solid line control line for solid line control, in accordance with the entry or advance of the train in the historical landing platform, One or more first doors and one or more auxiliary control panels connected to the remaining solid-line control lines for solid-line control and some other components of the platform safe door system, Lt; RTI ID = 0.0 > 2 < / RTI > Here, the individual control panels included in the above components can control the individual door operation of the platform safe door system in accordance with the control commands of the main control unit and / or the auxiliary control unit.

Especially, it is possible to reduce the control error caused by the voltage drop during the solid line control at the platform where the length of the platform is 200M or longer, and it is possible to control the main control automatically when a control panel fails due to redundancy / It is possible to secure safety and reliability for the platform safe door control.

It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims . It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

11: Keyboard Module 12: Auxiliary Control Panel
13: Individual control panel or DCU (Door Control Unit) 14: Train sensor
15: door detection sensor 16: platform control panel
17: Crew operator panel

Claims (10)

A main control unit connected to some components of the platform safe door system and a first solid line control line for solid line control;
One or more auxiliary control panels connected to the remaining components of the landing safed door system and a second solid line control line for solid line control; And
And an individual control panel included in the components, for controlling the individual door operation of the landing safeway door system according to the control command of the main control unit or the auxiliary control board. The method according to claim 1,
Wherein the length of the landing to which the landing safemark system is applied is 200M or more. The method according to claim 1,
Wherein the landing safe door of the landing safty door system includes a roof type Platform Safe Door of a vertically opening and closing type. The method according to claim 1,
Further comprising at least one of a train detection sensor, at least one door detection sensor, at least one platform operation panel, and at least one crew operation panel. 5. The method according to any one of claims 1 to 4,
The auxiliary control panel includes an interlocking control unit, a switching hub, a control computer, and an operation panel,
Wherein the interlocking control unit provides an Ethernet interface between the main control unit and the system components, the switching hub connects each of the interlocking control unit and the control computer with the sub control board, the control computer connects the switching hub and the monitor,
Wherein the operation panel is connected to the interlocking control unit to input a user command for up-and-down-line operation or door-door operation. In the main control unit connected to some components of the landing safe door system and the first solid line control line for solid line control, one or more first doors included in some of the components are controlled ; And
The one or more auxiliary control panels connected to the second solid line control line for the solid line control and the remaining components of the landing safe door system, 2 < / RTI > door,
Wherein the individual control panels included in the components control the individual door operation of the platform safe door system in accordance with the control commands of the main control unit or the auxiliary control panel. The method of claim 6,
Wherein the length of the landing platform in the history employing the landing safe door system is 200M or more. The method of claim 6,
Wherein the landing safe door of the landing safty door system includes a roof type Platform Safe Door of a vertically opening and closing type. The method of claim 6,
Further comprising the step of controlling some components including an individual control panel connected to the failed control panel when either the main control panel or the auxiliary control panel fails, the other of the main control panel and the auxiliary control panel is connected to the failed control panel, Way. The method of claim 6,
Wherein during the normal operation of the landing safed door system, the step of controlling the second door is such that the auxiliary control board relays the command of the main control unit and the main control unit operates to control the second door, .

KR1020150078537A 2015-06-03 2015-06-03 System and method for controlling platform safe doors KR20160142926A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102015969B1 (en) * 2018-08-23 2019-08-28 태형산전 주식회사 Muliple safety device for platform screen door
KR102087402B1 (en) * 2019-10-30 2020-03-10 서대석 Separable module type dcu for train and subway screen door
KR102165388B1 (en) * 2020-04-17 2020-10-14 (주)모두그룹 Intergration monitoring system of platform screen door
KR102165390B1 (en) * 2020-04-17 2020-10-14 (주)모두그룹 Management method of intergration monitoring system of platform screen door

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102015969B1 (en) * 2018-08-23 2019-08-28 태형산전 주식회사 Muliple safety device for platform screen door
KR102087402B1 (en) * 2019-10-30 2020-03-10 서대석 Separable module type dcu for train and subway screen door
KR102165388B1 (en) * 2020-04-17 2020-10-14 (주)모두그룹 Intergration monitoring system of platform screen door
KR102165390B1 (en) * 2020-04-17 2020-10-14 (주)모두그룹 Management method of intergration monitoring system of platform screen door

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