CN215734066U - Double-motor synchronous door controller of rail transit system - Google Patents
Double-motor synchronous door controller of rail transit system Download PDFInfo
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- CN215734066U CN215734066U CN202121524148.7U CN202121524148U CN215734066U CN 215734066 U CN215734066 U CN 215734066U CN 202121524148 U CN202121524148 U CN 202121524148U CN 215734066 U CN215734066 U CN 215734066U
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Abstract
The utility model discloses a double-motor synchronous door controller of a rail transit system, belonging to the field of rail transit, and the double-motor synchronous door controller of the rail transit system comprises a safety channel, an application layer, a door driving motor and a pedal driving motor; the safety channel comprises a safety channel power supply, an interlocking loop relay link and a safety relay link; the safety channel power supply is used for supplying power to electrical elements in the safety channel; the interlock loop relay link is used to provide opening and closing of a train safety interlock loop. The utility model discloses a, through bi-motor timesharing synchronization mode control train door and running-board, the internal design of safety framework, USB update system software comes the different data bus interface of free extension through changing the internal bus patch panel, and need not change any inside design just can adapt to the rail train of different producers, and the device has stronger adaptability and commonality in the aspect of rail transit system's electronic control.
Description
Technical Field
The utility model relates to the field of rail transit, in particular to a double-motor synchronous door controller of a rail transit system.
Background
The double-motor synchronous door controller of the rail transit system is arranged in a compartment above the train door mechanisms, and the controller is arranged at each door mechanism. When a train driver presses a door opening button on one side in a train driver control room, the passenger room doors on the side of the whole train are opened simultaneously, and the foot pedals extend out and are bridged in a direct gap between the train and a platform, so that passengers can get on and off the train conveniently without needing a crew to mechanically open the train doors or lay backing plates. When a train driver presses a door closing button on one side in a train driver control room, the passenger room doors on the side of the whole train are closed simultaneously, and the foot pedals retract into the train pedal frame, so that a crew does not need to manually retract the backing plates, and a train door does not need to be mechanically closed. The function is as follows: controlling to open a vehicle door or extend a pedal according to an instruction received from a train control room; or controlling to close the vehicle door or retract the foot pedal, and relieving the working pressure of the crew.
The existing electronic door control system can only control one motor to drive the vehicle door, if a pedal needs to be driven, another controller needs to be installed, the cost is increased, the electric connection workload of a train is increased, a data bus interface of the existing electronic door controller is generally fixed and cannot be used universally, if the data buses of rail trains of different manufacturers are different, the door controller needs to be designed and developed from beginning, and therefore the double-motor synchronous door controller of the rail transit system is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a double-motor synchronous door controller of a rail transit system, so as to solve the problems that another controller needs to be installed when a pedal needs to be driven, the cost is increased, the electric connection workload of a train is increased, and a data bus interface of an electronic door controller is generally fixed and cannot be used universally.
In order to solve the above problems, the present invention adopts the following technical solutions.
The double-motor synchronous door controller of the rail transit system comprises a safety channel, an application layer, a door driving motor and a pedal driving motor;
the safety channel comprises a safety channel power supply, an interlocking loop relay link and a safety relay link;
the safety channel power supply is used for supplying power to electrical elements in the safety channel;
the interlocking loop relay link is used for providing the opening and closing of a train safety interlocking loop;
the safety relay link is used for starting a motor to open and close a door and starting safety output under a safety condition;
the application layer comprises an auxiliary power supply, an application power supply, a first input circuit, a programmable logic chip, a microprocessor control core chip, a motor output, a motor coding input and a safety output;
the auxiliary power supply is used for supplying power requirements of an application power supply, a safety channel power supply and an output channel;
the application power supply is used for supplying power to the microprocessor control core chip, the programmable logic chip and other input circuits;
the first input circuit is used for receiving a hard wire input signal, a sensitive edge input signal, a digital quantity input signal and a gate coding input signal;
the programmable logic chip is used for expanding the first input circuit, so that the gate controller can receive more input signals;
the microprocessor control core chip is used for carrying out drive management on the door mechanism, the pedal plate, the buzzer and the indicator lamp according to each input signal and door opening and closing logic, processing various communication data, judging the validity of the data, transmitting the acquired state information of the various door mechanisms and the pedal plate to the data network interface, transmitting the state information to a control room of a train driver, and processing and recording fault state information and processing man-machine interaction management in real time;
the motor output is used for managing and controlling the rotation and stop of the door driving motor and the pedal driving motor;
the motor coding input is used for receiving coding information of a door driving motor and a pedal driving motor, and a processor controls a core chip to judge partial state information of a door mechanism and a pedal;
the safety output is used for controlling a brake solenoid valve and an unlocking solenoid valve of a door mechanism, and relates to the driving of devices with door opening and closing safety characteristic functions, and the safety output can redundantly drive the devices under the control of a safety relay link.
As a further description of the above technical solution:
the interlock loop relay link comprises a second input circuit, a first safety control and an interlock loop relay, wherein the second input circuit is used for receiving and activating an interlock safety input signal, the first safety control is a voting circuit of signals and consists of an AND gate and a NOT gate to judge whether the input signals are all satisfied or whether any one of the input signals is satisfied; the interlock loop relay is used to control an external safety interlock.
As a further description of the above technical solution:
the safety relay link comprises a third input circuit, a second safety control and a safety relay, the third input circuit is used for receiving input signals for activating the safety channel, the second safety control is a voting circuit of signals, and the voting circuit consists of an AND gate and a NOT gate and is used for judging whether the input signals are all satisfied or whether any one of the input signals is satisfied; the safety relay is used for controlling the output of the motor.
As a further description of the above technical solution:
the application layer also comprises a standard output, a CAN bus interface and a bus expansion interface, wherein the standard output is used for driving auxiliary devices on a door mechanism and comprises an indicator light, a buzzer and other devices which do not relate to a safety function; the CAN bus interface is used for transmitting and collecting commands sent from a train driver control room and transmitting and collecting information of other non-main door controllers in the same carriage; the bus expansion interface is used for adapting to data bus interfaces of different manufacturers.
As a further description of the above technical solution:
the application layer also comprises a USB interface, the USB interface comprises an A-type USB interface and a B-type USB interface, and the A-type USB interface is used for the purpose of updating system software by maintainers; the B-type USB interface is used for downloading fault storage information in a selected quantity, and displaying motor current and other information in real time during maintenance.
As a further description of the above technical solution:
the application layer further comprises a man-machine interaction interface, and the man-machine interaction interface is used for connecting the external LED lamp and the nixie tube.
Compared with the prior art, the utility model has the advantages that:
the technical scheme includes that the double-motor synchronous door controller of the rail transit system is installed in a compartment above door mechanisms of a train, the controller is installed at each door mechanism, after a train driver presses a door opening button at one side in a train driver control room, passenger room doors at the side of the whole train are opened simultaneously, foot pedals extend out and are bridged at a direct gap between the train and a platform, passengers can get on or off the train conveniently without needing a crew to open the doors mechanically or laying backing plates, after the train driver presses a door closing button at one side in the train driver control room, the passenger room doors at the side of the whole train are closed simultaneously, the foot pedals retract into a train pedal frame, the crew does not need to retract the backing plates manually, the train doors are not needed to be closed mechanically, and the opening or extending of the doors are controlled according to an instruction received from the train control room; or the closing of the car door or the retraction of the pedal plate is controlled, the working pressure of a crew is reduced, the car door and the pedal plate of the train are controlled in a double-motor time-sharing synchronous mode, a data bus expansion mode is adopted to adapt to different link transmission, the internal design of a safety framework is realized, the system software is updated through USB, different data bus interfaces CAN be freely expanded by replacing an internal bus patch board, besides an integrated CAN bus, a multifunctional vehicle bus (MVB bus) or an Ethernet bus (TRDP ETH) CAN be expanded, the track train of different manufacturers CAN be adapted without changing any internal design, and the device has stronger adaptability and universality in the aspect of electronic control of a track traffic system.
Drawings
FIG. 1 is a functional diagram of the present invention.
The reference numbers in the figures illustrate:
1. a door driving motor; 2. a pedal-driven motor; 3. a secure channel power supply; 4. an auxiliary power supply; 5. applying a power supply; 6. a first input circuit; 7. a programmable logic chip; 8. a microprocessor control core chip; 9. outputting by a motor; 10. inputting a motor code; 11. safe output; 12. a second input circuit; 13. a first safety control; 14. an interlock loop relay; 15. a third input circuit; 16. a second safety control; 17. a safety relay; 18. standard output; 19. a CAN bus interface; 20. a bus expansion interface; 21. a USB interface; 22. and (4) a man-machine interaction interface.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;
referring to fig. 1, the two-motor synchronous door controller of the rail transit system in the present invention includes a safe passage, an application layer, a door driving motor 1 and a pedal driving motor 2, wherein a power interface of the door controller obtains power from the outside, and the power is processed by EMC and enters an internal auxiliary power 4 conversion circuit;
the safety channel comprises a safety channel power supply 3, an interlocking loop relay link and a safety relay link;
the safe channel power supply 3 is used for supplying power to electrical elements in the safe channel;
the interlocking loop relay link is used for providing opening and closing of a train safety interlocking loop, when the door controller detects an interlocking safety input signal, the interlocking loop relay 14 is closed to inform a train driver of a control room, the door or the pedal which is responsible for the door controller reaches a safety state, running operation can be performed, if the door controller does not detect one of the safety input signals, the interlocking loop relay cannot be closed, and finally the train cannot start running when the door is not closed or the pedal is not retracted under the condition that the safety state is not reached;
the safety relay link is used for starting the motor to open and close the door and starting the safety output 11 under the safety condition, and when the safety input condition is met, the safety relay 17 is opened, and the motor and the safety output 11 can act. Otherwise, when the safety condition is not met, the motor and the safety output 11 can not act;
the application layer comprises an auxiliary power supply 4, an application power supply 5, a first input circuit 6, a programmable logic chip 7, a microprocessor control core chip 8, a motor output 9, a motor code input 10 and a safety output 11;
the auxiliary power supply 4 is used for supplying power requirements of an application power supply 5, a safe channel power supply 3 and an output channel, the auxiliary power supply 4 outputs three paths to supply power to the safe channel, an application layer power supply and a driving power supply, the safe channel power supply 3 is mainly responsible for power supply of two paths of safe links, the driving power supply circuit is mainly used for supplying power to the output channel and comprises a motor output 9, a safe output 11 channel and a standard output 18, the output channels can not influence power supplies of other digital core circuits and other circuits, the application layer power supply is mainly a general name of the power supplies outside the safe channel supplied to the whole control panel and comprises a core chip, programmable logic and other input circuits, various communication interfaces and man-machine interfaces. The power supply of the application layer circuits is stable and has low power consumption, when the power supply of the application layer circuits supplies power, the control panel of the door controller is correspondingly electrically isolated, so that the electromagnetic interference between different module circuits is prevented, each module can work in a stable environment, and the application layer power supply provides enough power to enable the devices to work normally;
the application power supply 5 is used for supplying power to the microprocessor control core chip 8, the programmable logic chip 7 and other input circuits;
the first input circuit 6 is used for receiving a hard-wire input signal, a sensitive edge input signal, a digital input signal and a gate coding input signal, the first input circuit 6 uses an existing company input circuit platform, reverse connection prevention protection, surge protection and overcurrent protection are configured on the input of each circuit according to the current and voltage, all input circuits are isolated by optical coupling, and external interference is avoided; in addition, the anti-jitter processing is carried out on the software processing; and filtering in hardware, wherein the measures enable the input signal to be correctly detected by a programmable device of the door controller after passing through the input circuit;
the programmable logic chip 7 is used for expanding the first input circuit 6 to enable the door controller to receive more input signals, the programmable logic processing chip is used as a bridge between the first input circuit 6 and the microprocessor control core chip 8, after the programmable logic processing chip detects input end signals, the signals are stored in an internal storage area, and then the microprocessor control core chip 8 reads data in the storage areas according to a certain time to serve as a basis for the microprocessor control core chip 8 to carry out logic processing;
the microprocessor control core chip 8 is used for carrying out drive management on the door mechanism, the pedal plate, the buzzer and the indicator lamp according to each input signal and door opening and closing logic, processing various communication data, judging the validity of the data, transmitting the acquired state information of the various door mechanisms and the pedal plate to the data network interface, transmitting the state information to a train driver control room, and processing and recording fault state information and processing man-machine interaction management in real time;
the motor output 9 is used for managing and controlling the rotation and stop of the door driving motor 1 and the pedal driving motor 2, the door mechanism motor and the pedal motor belong to time-sharing driving, so that the door mechanism and the pedal synchronously complete forward rotation opening/extending or reverse rotation closing/retracting within a period of time, the driving waveform is a high-power modulation waveform, and the magnitude of current can be freely controlled to realize uniform rotation and a buffering function before reaching the place;
the motor code input 10 is used to receive coded information of the door drive motor 1 and the pedal drive motor 2, the processor controls the core chip to judge partial state information of the door mechanism and the pedal, the two motors can be brush motors or brushless motors, the coding devices in the motors provide codes of motor rotors to the door controller, the door controller receives the coded information of the motors, the door controller judges the displacement of the door mechanism and the displacement of the pedal according to the coded information, the time displacement function is formed according to the maximum distance that the door panel is opened or the maximum distance that the pedal extends in a specified time, dividing the time into a plurality of small time periods, and matching related coded information to finally judge the basis of obstacle judgment, wherein the basis comprises door closing obstacle judgment, door opening obstacle judgment, logic bases of pedal extending obstacle, pedal retracting obstacle and the like;
the safety output 11 is used to control the brake and unlock solenoids of the door mechanism involving the actuation of devices that switch the door safety feature function, which the safety output 11 would redundantly actuate under the control of a safety relay link.
Wherein: the interlock loop relay link comprises a second input circuit 12, a first safety control 13 and an interlock loop relay 14, the second input circuit 12 is used for receiving and activating an interlock safety input signal, the first safety control 13 is a voting circuit of signals and consists of an AND gate and a NOT gate to judge whether the input signals are all satisfied or whether any one of the input signals is satisfied; the interlock loop relay 14 is used to control an external safety interlock, and the door controllers are configured with redundant circuitry outside the primary circuitry that passes through the channels of the application layer to use redundant operation of the different circuitry in the event of a failure of the primary channel.
Wherein: the safety relay link comprises a third input circuit 15, a second safety control 16 and a safety relay 17, the third input circuit 15 is used for receiving input signals for activating a safety channel, the second safety control 16 is a voting circuit of signals and consists of an AND gate and a NOT gate to judge whether the input signals are all satisfied or whether any one of the input signals is satisfied; the safety relay 17 is used to control the motor output 9 and outside the main circuit the door controller is provided with redundant circuits that pass through the channels of the application layer to use the redundant operation of the different circuits in the event of a failure of the main channel.
Wherein: the application layer also comprises a standard output 18, a CAN bus interface 19 and a bus expansion interface 20, wherein the standard output 18 is used for driving auxiliary devices on a door mechanism, including an indicator light, a buzzer and other devices which do not relate to a safety function; the CAN bus interface 19 is used for transmitting and collecting commands sent from a train driver control room and transmitting and collecting information of other non-main door controllers in the same carriage; the bus expansion interface 20 is used for adapting to data bus interfaces of different manufacturers, the bus expansion interface 20 can be matched with an Ethernet (ETH) network card, a multifunctional vehicle bus MVB network card, a 485 bus RS485 network card and the like, and different data bus transmission modes are used by different manufacturers and different rail transit systems, so that the interface is necessary, the expansion can be conveniently carried out, and the universality and the applicability of the door controller are improved.
Wherein: the application layer also comprises a USB interface 21, the USB interface 21 comprises an A-type USB interface 21 and a B-type USB interface 21, the A-type USB interface 21 is used for the purpose of updating system software for maintenance personnel, and when a U disk storing an update file with a specific format is connected to a door controller, the system cabinet automatically updates the system software of the door controller, so that the maintenance of personnel is facilitated, and complicated portable equipment is not required to be updated through wired connection; the type B USB interface 21 is used to download a selected amount of fault storage information, and to display motor current and other information in real time during maintenance.
Wherein: the application layer also comprises a man-machine interaction interface 22, the man-machine interaction interface 22 is used for connecting an external LED lamp and a nixie tube, and display or indication can facilitate maintenance personnel to judge faults.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. Two motor synchronous door controllers of rail transit system, its characterized in that: comprises a safe channel, an application layer, a door driving motor (1) and a pedal driving motor (2);
the safety channel comprises a safety channel power supply (3), an interlocking loop relay link and a safety relay link;
the safety channel power supply (3) is used for supplying power to electrical elements in the safety channel;
the interlocking loop relay link is used for providing the opening and closing of a train safety interlocking loop;
the safety relay link is used for starting a motor to open and close a door and starting a safety output (11) under a safety condition;
the application layer comprises an auxiliary power supply (4), an application power supply (5), a first input circuit (6), a programmable logic chip (7), a microprocessor control core chip (8), a motor output (9), a motor coding input (10) and a safety output (11);
the auxiliary power supply (4) is used for supplying power requirements of an application power supply (5), a safe channel power supply (3) and an output channel;
the application power supply (5) is used for supplying power to the microprocessor control core chip (8), the programmable logic chip (7) and other input circuits;
the first input circuit (6) is used for receiving a hard wire input signal, a sensitive edge input signal, a digital quantity input signal and a gate coding input signal;
the programmable logic chip (7) is used for expanding the first input circuit (6) so that the gate controller can receive more input signals;
the microprocessor control core chip (8) is used for carrying out drive management on the door mechanism, the pedal plate, the buzzer and the indicator lamp according to each input signal and door opening and closing logic, processing various communication data, judging the validity of the data, transmitting the acquired state information of the various door mechanisms and the pedal plate to the data network interface, transmitting the state information to a train driver control room, and carrying out real-time processing and recording on fault state information and processing man-machine interaction management by the chip;
the motor output (9) is used for managing and controlling the rotation and stop of the door driving motor (1) and the pedal driving motor (2);
the motor code input (10) is used for receiving code information of the door driving motor (1) and the pedal driving motor (2) and judging partial state information of the door mechanism and the pedal plate through a processor control core chip;
the safety output (11) is used for controlling a brake solenoid valve and an unlocking solenoid valve of a door mechanism and relates to the driving of devices for opening and closing the door safety characteristic function, and the safety output (11) can redundantly drive the devices under the control of a safety relay link.
2. The rail transit system double-motor synchronous door controller as claimed in claim 1, wherein: the interlock loop relay link comprises a second input circuit (12), a first safety control (13) and an interlock loop relay (14), the second input circuit (12) is used for receiving and activating an interlock safety input signal, the first safety control (13) is a voting circuit of signals and consists of an AND gate and a NOT gate to judge whether the input signals are all satisfied or whether any one of the input signals is satisfied; the interlock loop relay (14) is used to control an external safety interlock.
3. The rail transit system double-motor synchronous door controller as claimed in claim 1, wherein: the safety relay link comprises a third input circuit (15), a second safety control (16) and a safety relay (17), the third input circuit (15) is used for receiving input signals for activating a safety channel, the second safety control (16) is a voting circuit of signals and consists of an AND gate and a NOT gate to judge whether the input signals are all satisfied or whether any one of the input signals is satisfied; the safety relay (17) is used for controlling the motor output (9).
4. The rail transit system double-motor synchronous door controller as claimed in claim 1, wherein: the application layer also comprises a standard output (18), a CAN bus interface (19) and a bus expansion interface (20), wherein the standard output (18) is used for driving auxiliary devices on a door mechanism, including an indicator light, a buzzer and other devices which do not relate to a safety function; the CAN bus interface (19) is used for transmitting and collecting commands sent by a train driver control room and transmitting and collecting information of other non-main door controllers in the same carriage; the bus expansion interface (20) is used for adapting to data bus interfaces of different manufacturers.
5. The rail transit system double-motor synchronous door controller as claimed in claim 1, wherein: the application layer further comprises a USB interface (21), the USB interface (21) comprises an A-type USB interface and a B-type USB interface, and the A-type USB interface is used for the purpose of updating system software by maintainers; the B-type USB interface is used for downloading fault storage information in a selected quantity, and displaying motor current and other information in real time during maintenance.
6. The rail transit system double-motor synchronous door controller as claimed in claim 1, wherein: the application layer further comprises a man-machine interaction interface (22), and the man-machine interaction interface (22) is used for connecting the external LED lamp and the nixie tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524148.7U CN215734066U (en) | 2021-07-06 | 2021-07-06 | Double-motor synchronous door controller of rail transit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524148.7U CN215734066U (en) | 2021-07-06 | 2021-07-06 | Double-motor synchronous door controller of rail transit system |
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| Publication Number | Publication Date |
|---|---|
| CN215734066U true CN215734066U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121524148.7U Active CN215734066U (en) | 2021-07-06 | 2021-07-06 | Double-motor synchronous door controller of rail transit system |
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| CN (1) | CN215734066U (en) |
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- 2021-07-06 CN CN202121524148.7U patent/CN215734066U/en active Active
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Denomination of utility model: Dual motor synchronous door controller for rail transit systems Effective date of registration: 20230516 Granted publication date: 20220201 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: Shenzhen Bosman Technology Co.,Ltd. Registration number: Y2023980040786 |