CN103869719B - Screen door control system and control method - Google Patents
Screen door control system and control method Download PDFInfo
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- CN103869719B CN103869719B CN201410107108.0A CN201410107108A CN103869719B CN 103869719 B CN103869719 B CN 103869719B CN 201410107108 A CN201410107108 A CN 201410107108A CN 103869719 B CN103869719 B CN 103869719B
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Abstract
The present invention proposes a kind of screen door control system and control method, its control system includes interface module, tele command control module, output module and the several part of switching device, external command is received by interface module, and send tele command control module to and carry out judging and deciding, generate tele command to be exported to door control unit group by output module, wherein output module includes rigid line and bus, rigid line output can be carried out and bus exports, when rigid line output is broken down, bus can be switched to by switching device and export.The hardware logic of original complexity is designed and changes software logic design into by the present invention, improves the extensibility of system, and uses more flexible.
Description
Technical field
The present invention relates to the control system of subway shield door (safety door).
Background technology
Subway shield door (being also safety door) is a series of door body arranged along subway platform edge, and it is formed by fixing door, sliding door, escape door and end door etc..Sliding door is corresponding with train door, opening and closing Tong Bu with train door, gets on and off for passenger.
For controlling door control unit (the Door Control Unit of sliding door motion; DCU) accept open the door and close gate signal; according to the opening-closing door parameter arranged; the opening and closing of sliding door are driven by controlling motor; enable passenger to get on the bus easily or to get off, the passenger on platform is played a protective role.
Enabling, pass gate signal that sliding door accepts are that external control order is via shield door cell controller (Platform Edge Door
Controller, PEDC) after arbitration, then it is transmitted to door control unit DCU by shield door cell controller PEDC, door control unit DCU performs to control sliding door, it is achieved open and close door function.So, the device that controls of shield door directly affects stability, the safety that screen door runs.The control logic of metro platform shield door (safety door) uses safety relay group at present, constitute hardware logic, outside signaling system SIG, local control panel PSL and comprehensive standby control dish IBP sends order to the hardware logic of shield door respectively, the hardware logic of shield door determines three kinds of priority levels ordered, and controls the switch of whole side shield door.The defect of this control system is hardware logic design, to realize process more complicated and relatively costly, and logic has once designed, and is just difficult to amendment, uses pattern the most fixing, it is impossible to be applicable to other situations.
Summary of the invention
The present invention is to solve technical problem present in above-mentioned prior art, it is proposed that a kind of screen door control system, including interface module, tele command control module, output module and switching device；
Described interface module, each external command sent for described reception external command issue device；
Described tele command control module, for each external command of input carried out logical operations and logical judgment, and forms corresponding effective order and is sent to described output module；
Described output module, including rigid line (including that the output loop being connected in bus controls relay) and bus, described rigid line order is to be driven I/O port by control module, and the level changing rigid line sends enabling or door close commands to door control unit group；Described output loop controls relay is used for whether controlling the output of rigid line order, when switching switch and being switched to bus line command position, for isolating the output of rigid line order；
Described bus line command, when switching switch and being switched to bus line command position, tele command control module exports effective order by bus；
Described switching device, for when described hard-wired return breaks down and cannot send enabling or door close commands to door control unit group, disconnecting hard-wired return, described door control unit group is controlled by described tele command control module by bus.
The invention allows for a kind of shield door control method, mainly comprise the steps:
Step 1, tele command control module receives external command by interface module, and described external command is carried out logical operations and logical judgment, and form corresponding tele command and exported to door control unit group by rigid line, control the open and close of metro platform shield door；
Step 2, when hard-wired return normally works, then continues executing with described step 1；When hard-wired return breaks down, switching device disconnects hard-wired return, and described door control unit group is controlled by described tele command control module by bus.
The present invention sends tele command by tele command control module and is controlled door control unit group, make use of the motility of tele command, goes for multiple situation, and tele command possesses the output channel of redundancy, it is ensured that the reliability of control command.And the output loop of the present invention controls relay independent of transportation station door unit controller, it is ensured that when bus is effective, be effectively isolated the output of tele command on rigid line, make tele command will not be transferred to door control unit group mistakenly by rigid line.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As it is shown in figure 1, the screen door control system that one embodiment of the invention proposes includes interface module, tele command control module, output module and switching device.
During open and close door, outside signaling system SIG, local control panel PSL and comprehensive standby control dish IBP sends order to screen door control system respectively.Interface module receives each external command that these external command issue devices send, and tele command control module carries out logical operations and judgement to these external commands, and forms corresponding tele command and be sent to output module.Output module includes bus and the rigid line connecting door control unit group respectively, bus output can be carried out and rigid line exports, and an output loop of also connecting on rigid line controls relay, the contact of relay is usually closure state, and connect between each contact, output loop controls relay and uses the series connection of normally closed point to carry out control command output.Generally, tele command control module drives the I/O port of himself, change the level of rigid line to send to door control unit group and open the door or door close commands, and output loop controls relay and is used for whether controlling the output of logical order, isolates the output of rigid line order when bus is effective.
When hard-wired return breaks down and cannot send enabling or door close commands to door control unit group, switching device can disconnect hard-wired return, and described door control unit group can be controlled by such tele command control module by bus.Wherein, switching device includes IBP switching switch and PSL switching switch, and the priority of IBP switching switch is higher than PSL switching switch.
The shield door control method that the present invention is concrete is: step 1, tele command control module receives external command by interface module, and described external command is carried out logical operations and logical judgment, and form corresponding tele command and export to door control unit group by rigid line, control the open and close of metro platform shield door, use tele command can tackle and various different demands, use the most flexible；
Step 2, when hard-wired return normally works, then continues executing with described step 1；When hard-wired return breaks down, staff can with manually or other mode switching devices disconnect hard-wired return, tele command control module by bus, described door control unit group is controlled.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (3)
1. a screen door control system, it is characterised in that include interface module, tele command control module, output module and switching device；
Described interface module, each external command sent for described reception external command issue device；
Described tele command control module, for each external command of input carried out logical operations and logical judgment, and forms corresponding tele command and is sent to described output module；
Described output module, including connecting rigid line and the bus of door control unit group respectively, and the output loop being connected on rigid line controls relay；Described tele command control module drives the I/O port of himself, and the level changing rigid line sends enabling or door close commands to door control unit group；Described output loop controls relay is used for whether controlling the output of logical order, isolates the output of tele command when bus is effective；Described bus is when switching switch and being switched to bus line command position, and tele command control module exports effective order by described bus；
Described switching device, for when described hard-wired return breaks down and cannot send enabling or door close commands to door control unit group, disconnecting hard-wired return, described door control unit group is controlled by described tele command control module by bus.
2. screen door control system as claimed in claim 1, it is characterised in that described switching device includes IBP switching switch and PSL switching switch, and the priority of described IBP switching switch is higher than described PSL switching switch.
3. a shield door control method, it is characterised in that comprise the steps:
Step 1, tele command control module receives external command by interface module, and described external command is carried out logical operations and logical judgment, and form corresponding tele command and exported to door control unit group by rigid line, control the open and close of metro platform shield door；
Step 2, when hard-wired return normally works, then continues executing with described step 1；When hard-wired return breaks down, switching device disconnects hard-wired return output, and described door control unit group is controlled by described tele command control module by bus；
In step 1, tele command control module drives the I/O port of himself, changes rigid line level and sends enabling or door close commands to door control unit group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107108.0A CN103869719B (en) | 2014-03-21 | 2014-03-21 | Screen door control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107108.0A CN103869719B (en) | 2014-03-21 | 2014-03-21 | Screen door control system and control method |
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| CN103869719A CN103869719A (en) | 2014-06-18 |
| CN103869719B true CN103869719B (en) | 2017-01-04 |
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| CN201410107108.0A Active CN103869719B (en) | 2014-03-21 | 2014-03-21 | Screen door control system and control method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108263393A (en) * | 2016-12-30 | 2018-07-10 | 河南辉煌城轨科技有限公司 | A kind of subway safe door |
Citations (5)
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| KR100867226B1 (en) * | 2006-11-10 | 2008-11-06 | (주)넥스트인포메이션 | PSD communication system in use of RF frequency. |
| CN201936169U (en) * | 2010-12-14 | 2011-08-17 | 上海嘉成轨道交通安全保障系统有限公司 | Central redundancy control system for shielding door of rail transportation station |
| CN102540929A (en) * | 2012-01-05 | 2012-07-04 | 深圳市方大自动化系统有限公司 | Safety relay redundant control system used for subway platform screen doors |
| CN102566478A (en) * | 2012-01-05 | 2012-07-11 | 深圳市方大自动化系统有限公司 | Subway shield door safety relay control redundant system |
| CN103043082A (en) * | 2013-01-22 | 2013-04-17 | 深圳市方大自动化系统有限公司 | Device and method for controlling metro platform screen door |
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2014
- 2014-03-21 CN CN201410107108.0A patent/CN103869719B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100867226B1 (en) * | 2006-11-10 | 2008-11-06 | (주)넥스트인포메이션 | PSD communication system in use of RF frequency. |
| CN201936169U (en) * | 2010-12-14 | 2011-08-17 | 上海嘉成轨道交通安全保障系统有限公司 | Central redundancy control system for shielding door of rail transportation station |
| CN102540929A (en) * | 2012-01-05 | 2012-07-04 | 深圳市方大自动化系统有限公司 | Safety relay redundant control system used for subway platform screen doors |
| CN102566478A (en) * | 2012-01-05 | 2012-07-11 | 深圳市方大自动化系统有限公司 | Subway shield door safety relay control redundant system |
| CN103043082A (en) * | 2013-01-22 | 2013-04-17 | 深圳市方大自动化系统有限公司 | Device and method for controlling metro platform screen door |
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| CN103869719A (en) | 2014-06-18 |
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Address after: 518000 Guangdong 5 high tech Industrial Park, Shenzhen, Nanshan District, South China Science and technology building, twelve South Road. Patentee after: FANGDA ZHICHUANG TECHNOLOGY Co.,Ltd. Address before: 518000 Fangda Building, Nanshan High-tech Zone, Shenzhen City, Guangdong Province Patentee before: Shenzhen Fangda Automation System Co.,Ltd. |
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Denomination of invention: Shielding door control system and method Effective date of registration: 20200709 Granted publication date: 20170104 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: FANGDA ZHICHUANG TECHNOLOGY Co.,Ltd. Registration number: Y2020980003925 |
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Address after: 518000 Guangdong 5 high tech Industrial Park, Shenzhen, Nanshan District, South China Science and technology building, twelve South Road. Patentee after: Fangda Zhiyuan Technology Co.,Ltd. Address before: 518000 Guangdong 5 high tech Industrial Park, Shenzhen, Nanshan District, South China Science and technology building, twelve South Road. Patentee before: FANGDA ZHICHUANG TECHNOLOGY Co.,Ltd. |
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