Train door opening and closing control system

Abstract

The utility model discloses a train door opening and closing control system. A train door opening and closing system master controller is electrically connected with a driver master control unit through an Ethernet signal interface; the driver master control unit is electrically connected with a station signal control center through a radio frequency signal interface; the train door opening and closing system master controller is further electrically connected with a station signal control center through a radio frequency signal interface. The door opening and closing control unit is electrically connected with a station signal control center through a radio frequency signal interface; the first door opening and closing control unit and the train door opening and closing system master controller are electrically connected through a CAN interface or a 485 interface. The first door opening and closing control unit and the second door opening and closing control unit are electrically connected through a CAN interface or a 485 interface. The 485 signal relay unit and the CAN signal relay unit are electrically connected between the second door opening and closing control unit and the third door opening and closing control unit. According to the utility model, the accuracy of door opening and closing information is ensured, and the safety of listing operation is ensured.

Description

Technical Field

[0001] The utility model relates to a train door opening and closing control system, belonging to the technical field of train door opening and closing control. Background Art

[0002] At present, the train door opening and closing system plays a vital role in modern railway transportation. Through the train door opening and closing system, the train can perform real-time signal interaction and data exchange, and provide passengers with accurate door opening and closing operations. This not only improves the travel safety of citizens, but also helps to improve the stability and safety of the entire passenger transportation system. Therefore, a reliable train door opening and closing system is of great help in ensuring the safety and punctuality of train operation.

[0003] At present, the train door opening and closing system generally connects the train door opening and closing system master controller with the door opening and closing control unit through Ethernet. However, due to the particularity of the train operating environment, such as the presence of a large amount of electromagnetic interference, vibration, and temperature changes, when multiple Ethernet devices communicate with each other, they often face the problem of high frame loss rate. This may lead to errors in door opening and closing information, bringing instability to passengers. Therefore, how to ensure timely and accurate door opening and closing has become an urgent problem to be solved. Utility Model Content

[0004] To this end, the utility model provides a train door opening and closing control system to solve the problem that the traditional solution is prone to cause door opening and closing information errors due to the high communication frame loss rate.

[0005] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a train door opening and closing control system, comprising a train door opening and closing system master controller, a driver master control unit, a first door opening and closing control unit, a second door opening and closing control unit, a third door opening and closing control unit, a 485 signal relay unit and a CAN signal relay unit;

[0006] The train door opening and closing system master controller is electrically connected to the driver master control unit via an Ethernet signal interface; the driver master control unit is electrically connected to the station signal control center via a radio frequency signal interface; the train door opening and closing system master controller is also electrically connected to the station signal control center via a radio frequency signal interface;

[0007] The first door opening and closing control unit, the second door opening and closing control unit, and the third door opening and closing control unit are all electrically connected to the station signal control center via a radio frequency signal interface;

[0008] The first door opening and closing control unit and the train door opening and closing system master controller are electrically connected via a CAN interface or a 485 interface; the first door opening and closing control unit and the second door opening and closing control unit are electrically connected via a CAN interface or a 485 interface;

[0009] The 485 signal relay unit is electrically connected between the second door opening and closing control unit and the third door opening and closing control unit, and the CAN signal relay unit is electrically connected between the second door opening and closing control unit and the third door opening and closing control unit.

[0010] As a preferred solution for the train door opening and closing control system, the train door opening and closing system master controller is configured with a CPU module, a radio frequency module and a network interface module; the access points of the train door opening and closing system master controller include a DC110V interface, an Ethernet signal interface, a 485 interface, a CAN interface and a radio frequency signal interface.

[0011] As a preferred solution for the train door opening and closing control system, the driver's total control unit is configured with a CPU module, a radio frequency module and a network interface module;

[0012] The access point of the driver master control unit includes a radio frequency signal interface, an Ethernet signal interface and a DC110V interface.

[0013] As a preferred solution for the train door opening and closing control system, the first door opening and closing control unit, the second door opening and closing control unit, and the third door opening and closing control unit are all configured with an MCU module, a radio frequency module, a motor drive module, and a CAN / 485 module;

[0014] The access points of the first door opening and closing control unit, the second door opening and closing control unit, and the third door opening and closing control unit all have a 485 signal interface, a CAN signal interface, a radio frequency signal interface, and a DC12V interface.

[0015] As a preferred solution for the train door opening and closing control system, the 485 signal relay unit is configured with an MCU module and a 485 module; the access point of the 485 signal relay unit includes a 485 signal interface and a DC12V interface.

[0016] As a preferred solution for the train door opening and closing control system, the CAN signal relay unit is configured with an MCU module and a CAN module; the access point of the CAN signal relay unit includes a CAN signal interface and a DC12V interface.

[0017] As a preferred solution of the train door opening and closing control system, the first door opening and closing control unit, the second door opening and closing control unit, the third door opening and closing control unit, the 485 signal relay unit and the CAN signal relay unit are each provided with two groups;

[0018] A group of the first door opening and closing control unit, the second door opening and closing control unit, the third door opening and closing control unit, the 485 signal relay unit and the CAN signal relay unit are used for left door control of the train;

[0019] Another group of the first door opening and closing control unit, the second door opening and closing control unit, the third door opening and closing control unit, the 485 signal relay unit and the CAN signal relay unit is used for right-side door control of the train.

[0020] The utility model has the following advantages: a train door opening and closing system master controller, a driver master control unit, a first door opening and closing control unit, a second door opening and closing control unit, a third door opening and closing control unit, a 485 signal relay unit and a CAN signal relay unit are provided; the train door opening and closing system master controller is electrically connected to the driver master control unit through an Ethernet signal interface; the driver master control unit is electrically connected to a station signal control center through a radio frequency signal interface; the train door opening and closing system master controller is also electrically connected to the station signal control center through a radio frequency signal interface; the first door opening and closing control unit, the second door opening and closing control unit and the third door opening and closing control unit are all electrically connected to the station signal control center through the radio frequency signal interface; the first door opening and closing control unit and the train door opening and closing system master controller are electrically connected through a CAN interface or a 485 interface; the first door opening and closing control unit and the second door opening and closing control unit are electrically connected through a CAN interface or a 485 interface; the 485 signal relay unit is electrically connected between the second door opening and closing control unit and the third door opening and closing control unit, and the CAN signal relay unit is electrically connected between the second door opening and closing control unit and the third door opening and closing control unit. The utility model can ensure that the door opening and closing actions are carried out in real time and accurately when the vehicle arrives at the station, and the door opening and closing action information is reported to the station signal control center in real time; ensuring the accuracy of the door opening and closing information is conducive to ensuring the safety of the train operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0022] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0023] Figure 1 This is a schematic diagram of the train door opening and closing control system architecture provided in an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of a train door opening and closing system master controller in a train door opening and closing control system provided in an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of a driver's total control unit in a train door opening and closing control system provided in an embodiment of the utility model;

[0026] Figure 4 A schematic diagram of a door opening and closing control unit in a train door opening and closing control system provided in an embodiment of the utility model;

[0027] Figure 5 A schematic diagram of a 485 signal relay unit in a train door opening and closing control system provided in an embodiment of the utility model;

[0028] Figure 6 This is a schematic diagram of a CAN signal relay unit in a train door opening and closing control system provided in an embodiment of the utility model.

[0029] In the figure, 1. Train door opening and closing system master controller; 2. Driver master control unit; 3. First door opening and closing control unit; 4. Second door opening and closing control unit; 5. Third door opening and closing control unit; 6. 485 signal relay unit; 7. CAN signal relay unit; 8. Station signal control center. DETAILED DESCRIPTION

[0030] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The embodiment of the utility model provides a train door opening and closing control system, including a train door opening and closing system master controller 1, a driver master control unit 2, a first door opening and closing control unit 3, a second door opening and closing control unit 4, a third door opening and closing control unit 5, a 485 signal relay unit 6 and a CAN signal relay unit 7;

[0032] The train door opening and closing system master controller 1 is electrically connected to the driver master control unit 2 via an Ethernet signal interface; the driver master control unit 2 is electrically connected to the station signal control center 8 via a radio frequency signal interface; the train door opening and closing system master controller 1 is also electrically connected to the station signal control center 8 via a radio frequency signal interface;

[0033] Among them, the first door opening and closing control unit 3, the second door opening and closing control unit 4, and the third door opening and closing control unit 5 are all electrically connected to the station signal control center 8 through a radio frequency signal interface;

[0034] Among them, the first door opening and closing control unit 3 and the train door opening and closing system master controller 1 are electrically connected through a CAN interface or a 485 interface; the first door opening and closing control unit 3 and the second door opening and closing control unit 4 are electrically connected through a CAN interface or a 485 interface;

[0035] Among them, the 485 signal relay unit 6 is electrically connected between the second door opening and closing control unit 4 and the third door opening and closing control unit 5, and the CAN signal relay unit 7 is electrically connected between the second door opening and closing control unit 4 and the third door opening and closing control unit 5.

[0036] In this embodiment, the first door opening and closing control unit 3, the second door opening and closing control unit 4, the third door opening and closing control unit 5, the 485 signal relay unit 6 and the CAN signal relay unit 7 are each provided with two groups; one group of the first door opening and closing control unit 3, the second door opening and closing control unit 4, the third door opening and closing control unit 5, the 485 signal relay unit 6 and the CAN signal relay unit 7 is used for the left door control of the train; the other group of the first door opening and closing control unit 3, the second door opening and closing control unit 4, the third door opening and closing control unit 5, the 485 signal relay unit 6 and the CAN signal relay unit 7 is used for the right door control of the train.

[0037] See also Figure 2 In this embodiment, the train door opening and closing system master controller 1 is configured with a CPU module, a radio frequency module and a network interface module; the access point of the train door opening and closing system master controller 1 includes a DC110V interface, an Ethernet signal interface, a 485 interface, a CAN interface and a radio frequency signal interface; in the train door opening and closing system master controller 1, the CPU module and the radio frequency module are connected through the SDIO D0-7 pin and the SDIO CLK pin; the CPU module and the network interface module are connected through the TXD[0-3] pin, the RXD[0-3] pin, the CRS pin and the TX-EN pin.

[0038] See also Figure 3In this embodiment, the driver control unit 2 is configured with a CPU module, a radio frequency module and a network interface module; the access point of the driver control unit 2 includes a radio frequency signal interface, an Ethernet signal interface and a DC110V interface. In the driver control unit 2, the CPU module and the radio frequency module are connected through the SDIO D0-7 pin and the SDIO CLK pin; the CPU module and the network interface module are connected through the TXD[0-3] pin, the RXD[0-3] pin, the CRS pin and the TX-EN pin.

[0039] See also Figure 4 In this embodiment, the first switch door control unit 3, the second switch door control unit 4, and the third switch door control unit 5 are all configured with an MCU module, a radio frequency module, a motor drive module, and a CAN / 485 module; the access points of the first switch door control unit 3, the second switch door control unit 4, and the third switch door control unit 5 all have a 485 signal interface, a CAN signal interface, a radio frequency signal interface, and a DC12V interface. In the first switch door control unit 3, the second switch door control unit 4, and the third switch door control unit 5, the MCU module and the radio frequency module are connected through the SDIO D0 pin, the SDIO D1 pin, the SDIO D2 pin, the SDIO D3 pin, and the SDIO CLK pin. The MCU module and the motor drive module are connected through the GPIO pin. The MCU module and the CAN / 485 module are connected through the serial port sending pin and the serial port receiving pin.

[0040] See also Figure 5 In this embodiment, the 485 signal relay unit 6 is configured with an MCU module and a 485 module; the access point of the 485 signal relay unit 6 includes a 485 signal interface and a DC12V interface. In the 485 signal relay unit 6, the MCU module and the 485 module are connected via a serial port sending pin and a serial port receiving pin. The 485 signal relay unit 6 itself has a 485 signal input interface and a 485 signal output interface.

[0041] See also Figure 6 In this embodiment, the CAN signal relay unit 7 is configured with an MCU module and a CAN module; the access point of the CAN signal relay unit 7 includes a CAN signal interface and a DC12V interface. In the CAN signal relay unit 7, the MCU module and the CAN module are connected via a serial port sending pin and a serial port receiving pin. The CAN signal relay unit 7 itself has a CAN signal input interface and a CAN signal output interface.

[0042] In this embodiment, the train door opening and closing system master controller 1 is connected to the driver master control unit 2 via an Ethernet signal interface, the driver master control unit 2 communicates with the station signal control center 8 via radio frequency signals, and the station signal control center 8 communicates with the train door opening and closing system master controller 1 via radio frequency signals to issue door opening and closing signals, provide action feedback, and perform command verification.

[0043] Among them, when the station signal control center 8 issues a command to open and close the door, the driver's main control unit 2 receives the door opening and closing command through a radio frequency signal, notifies the driver that the door opening and closing operation can be performed, and the driver issues an Ethernet door opening and closing signal through the driver's main control unit 2. After receiving the Ethernet door opening and closing signal issued by the driver's main control unit 2, the train door opening and closing system main controller 1 compares the received door opening and closing signal from the station signal control center 8 with the door opening and closing signal issued by the driver control unit. When the comparison is consistent, the door opening and closing command is issued to the corresponding first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 through the CAN / 485 signal, and the first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 turns on the door drive motor to perform the door opening and closing action.

[0044] In this embodiment, the first door opening and closing control unit 3 communicates with the train door opening and closing system master controller 1 through 485 / CAN signals, and transmits the door opening and closing control signals in real time. There are CAN signal relay units 7 and 485 signal relay units 6 on the vehicle, which relay the CAN / 485 signals of the first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 to ensure the stability of signal transmission. When the door opening and closing operation is completed, the corresponding first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 reports the information of whether the door opening and closing is successful to the station signal control center 8 through the radio frequency signal, and the station signal control center 8 records it uniformly, controls the vehicle stay time, and ensures the smooth and orderly operation of the train.

[0045] It should be noted that the CPU module, RF module, network interface module, DC110V interface, Ethernet signal interface, 485 signal interface, CAN signal interface, RF signal interface, motor drive module, CAN / 485 module, and DC12V interface involved in this embodiment themselves have related technologies, and commercially available products can be selected as needed, which will not be elaborated here.

[0046] In summary, the utility model is provided with a train door opening and closing system master controller 1, a driver master control unit 2, a first door opening and closing control unit 3, a second door opening and closing control unit 4, a third door opening and closing control unit 5, a 485 signal relay unit 6 and a CAN signal relay unit 7; the train door opening and closing system master controller 1 is electrically connected to the driver master control unit 2 through an Ethernet signal interface; the driver master control unit 2 is electrically connected to the station signal control center 8 through a radio frequency signal interface; the train door opening and closing system master controller 1 is also electrically connected to the station signal control center 8 through a radio frequency signal interface; the first door opening and closing control unit 3, the second door opening and closing control unit 4, and the third door opening and closing control unit 5 are all electrically connected to the station signal control center 8 through a radio frequency signal interface; the first door opening and closing control unit 3 and the train door opening and closing system master controller 1 are electrically connected through a CAN interface or a 485 interface; the first door opening and closing control unit 3 and the second door opening and closing control unit 4 are electrically connected through a CAN interface or a 485 interface; the 485 signal relay unit 6 is electrically connected between the second door opening and closing control unit 4 and the third door opening and closing control unit 5, and the CAN signal relay unit 7 is electrically connected between the second door opening and closing control unit 4 and the third door opening and closing control unit 5. When the station signal control center 8 issues the door opening and closing instruction, the driver's main control unit 2 receives the door opening and closing instruction through the radio frequency signal, notifies the driver that the door opening and closing operation can be performed, and the driver issues the Ethernet door opening and closing signal through the driver's main control unit 2. After receiving the Ethernet door opening and closing signal issued by the driver's main control unit 2, the train door opening and closing system main controller 1 compares the received door opening and closing signal of the station signal control center 8 with the door opening and closing signal issued by the driver control unit. When the comparison is consistent, the door opening and closing command is issued to the corresponding first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 through the CAN / 485 signal. The first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 turns on the door drive motor to perform the door opening and closing action. The first door opening and closing control unit 3 communicates with the train door opening and closing system main controller 1 through the 485 / CAN signal, and transmits the door opening and closing control signal in real time. There are CAN signal relay units 7 and 485 signal relay units 6 on the vehicle, which relay the CAN / 485 signals of the first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 to ensure the stability of signal transmission. When the door opening and closing operation is completed, the corresponding first door opening and closing control unit 3, the second door opening and closing control unit 4 or the third door opening and closing control unit 5 reports whether the door opening and closing is successful to the station signal control center 8 through a radio frequency signal. The station signal control center 8 records the information uniformly and controls the vehicle stay time to ensure the smooth and orderly operation of the train.The utility model can ensure that the door opening and closing actions are carried out in real time and accurately when the vehicle arrives at the station, and the door opening and closing action information is reported to the station signal control center 8 in real time; ensuring the accuracy of the door opening and closing information is conducive to ensuring the safety of the train operation.

[0047] The above is a relatively specific and detailed description of the utility model through general description and specific embodiments. It should be understood that based on the technical concept of the utility model, some conventional adjustments or further innovations can be made to these specific embodiments; however, as long as they do not deviate from the technical concept of the utility model, the technical solutions obtained by these conventional adjustments or further innovations also fall within the scope of protection of the claims of the utility model.

Claims

1. A train door opening and closing control system, characterized in that: It comprises a train door opening and closing system master controller (1), a driver master control unit (2), a first door opening and closing control unit (3), a second door opening and closing control unit (4), a third door opening and closing control unit (5), a 485 signal relay unit (6) and a CAN signal relay unit (7); The train door opening and closing system master controller (1) is electrically connected to the driver master control unit (2) via an Ethernet signal interface; the driver master control unit (2) is electrically connected to a station signal control center (8) via a radio frequency signal interface; the train door opening and closing system master controller (1) is also electrically connected to the station signal control center (8) via a radio frequency signal interface; The first door opening and closing control unit (3), the second door opening and closing control unit (4), and the third door opening and closing control unit (5) are all electrically connected to the station signal control center (8) via a radio frequency signal interface; The first door opening and closing control unit (3) and the train door opening and closing system master controller (1) are electrically connected via a CAN interface or a 485 interface; the first door opening and closing control unit (3) and the second door opening and closing control unit (4) are electrically connected via a CAN interface or a 485 interface; The 485 signal relay unit (6) is electrically connected between the second door-opening and closing control unit (4) and the third door-opening and closing control unit (5), and the CAN signal relay unit (7) is electrically connected between the second door-opening and closing control unit (4) and the third door-opening and closing control unit (5).

2. A train door opening and closing control system according to claim 1, characterized in that: The train door opening and closing system master controller (1) is configured with a CPU module, a radio frequency module and a network interface module; the access point of the train door opening and closing system master controller (1) includes a DC110V interface, an Ethernet signal interface, a 485 interface, a CAN interface and a radio frequency signal interface.

3. A train door opening and closing control system according to claim 1, characterized in that: The driver master control unit (2) is configured with a CPU module, a radio frequency module and a network interface module; The access point of the driver master control unit (2) comprises a radio frequency signal interface, an Ethernet signal interface and a DC110V interface.

4. A train door opening and closing control system according to claim 1, characterized in that: The first door opening and closing control unit (3), the second door opening and closing control unit (4), and the third door opening and closing control unit (5) are all configured with an MCU module, a radio frequency module, a motor drive module, and a CAN / 485 module; The access points of the first door opening and closing control unit (3), the second door opening and closing control unit (4) and the third door opening and closing control unit (5) all have a 485 signal interface, a CAN signal interface, a radio frequency signal interface and a DC12V interface.

5. A train door opening and closing control system according to claim 1, characterized in that: The 485 signal relay unit (6) is configured with an MCU module and a 485 module; the access point of the 485 signal relay unit (6) includes a 485 signal interface and a DC12V interface.

6. A train door opening and closing control system according to claim 1, characterized in that: The CAN signal relay unit (7) is configured with an MCU module and a CAN module; the access point of the CAN signal relay unit (7) comprises a CAN signal interface and a DC12V interface.

7. A train door opening and closing control system according to claim 1, characterized in that: The first door opening and closing control unit (3), the second door opening and closing control unit (4), the third door opening and closing control unit (5), the 485 signal relay unit (6) and the CAN signal relay unit (7) are each provided with two groups; A group of the first door opening and closing control unit (3), the second door opening and closing control unit (4), the third door opening and closing control unit (5), the 485 signal relay unit (6) and the CAN signal relay unit (7) is used for controlling the left door of the train; Another group of the first door opening and closing control unit (3), the second door opening and closing control unit (4), the third door opening and closing control unit (5), the 485 signal relay unit (6) and the CAN signal relay unit (7) is used for controlling the right door of the train.

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