Railway vehicle-mounted intelligent control and display equipment

Abstract

The invention discloses railway vehicle-mounted intelligent control and display equipment which comprises an intelligent human-computer interaction unit (iDMI) and an interface adaptation unit. The iDMI unit not only realizes a man-machine interaction function, but also further realizes a vehicle-mounted application processing function, and additionally realizes the functions of high-precision Beidou / GPS positioning, wireless 4G / 5G communication, wireless WIFI / Bluetooth communication, thermal printing, intelligent processing, intelligent control and the like. The interface adaptation unit realizes the functions of conditioning and collecting information of various sensors, various external communication interfaces, digital quantity input and output interfaces and the like. The iDMI unit and the interface adaptation unit carry out information interaction through a high-speed Ethernet interface or a CAN interface by adopting a safety communication protocol. The railway vehicle-mounted intelligent control and display device has the advantages of being small in size, low in cost, convenient to install and maintain and the like and has high intelligent processing capacity, and the reliability of the whole vehicle-mounted system is improved through simplified design.

Description

Technical Field

[0001] The present invention relates to the field of railway transportation technology, and in particular to a railway vehicle-mounted intelligent control and display device for improving the integration and intelligence level of railway vehicle-mounted equipment. Background Art

[0002] The existing railway safety protection on-board equipment is mainly based on on-board host equipment, which mainly realizes functions such as train status collection, external communication interaction, wireless communication processing, data processing, speed measurement and distance measurement, protection curve calculation, speed supervision, brake control and operation status recording. The functions of on-board equipment usually require multiple functional boards to implement, such as analog input and output boards, digital input boards, communication interface boards, wireless communication processing boards, speed measurement and distance measurement boards, main processor boards, digital output boards, recorder boards, etc. For the train operation monitoring device (LKJ), it also includes more than LKJ2000 expansion boxes or LKJ-15 expansion units. The existing on-board human-machine interaction unit (DMI) is mainly used for display, voice prompts and responding to driver operations.

[0003] The existing railway on-board equipment has the following shortcomings: 1) Complex on-board host equipment: The on-board host equipment requires more functional boards and even needs to be configured with multiple expansion boxes or expansion units to realize all functions, which makes the overall on-board system complex and increases the difficulty of installation and maintenance; 2) Large installation space requirements: The existing on-board system requires a larger installation space and is not suitable for locomotive environments with limited installation space, especially railway shunting locomotives with small space; 3) High cost and inconvenient maintenance: Due to the need for more functional boards and multiple expansion boxes or expansion units, the cost of the entire on-board system is high, and the complex equipment composition makes maintenance difficult, and requires high maintenance personnel capabilities and maintenance tools; 4) Single human-computer interaction function: Existing DMI equipment is mainly used for display, voice prompts and responding to driver operations, and fails to make full use of the latest intelligent computing technology to realize functions such as intelligent processing and intelligent control. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a railway vehicle-mounted intelligent control and display device, which is mainly based on an intelligent human-machine interaction unit (iDMI) and is equipped with an interface adapter unit. In addition to realizing the functions of existing vehicle-mounted equipment, it can also further realize functions such as intelligent processing and intelligent control.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0006] A railway vehicle-mounted intelligent control and display device, the device comprising:

[0007] Several intelligent human-computer interaction units and interface adaptation units;

[0008] The intelligent human-computer interaction unit includes a multi-core high-performance processor, a high-performance GPU / NPU module, a high-precision Beidou / GPS module, a wireless 4G / 5G communication module, and a WIFI / Bluetooth communication module;

[0009] The interface adapter unit includes multiple CPUs, a backplane, a power board, an analog quantity board, a digital quantity board and a communication board respectively plugged into the backplane; the analog quantity board and the digital quantity board exchange information with the communication board through the CAN bus provided by the backplane using a secure communication protocol;

[0010] The intelligent human-machine interaction unit processes the received data securely, and sends the braking control instructions, intelligent control instructions and corresponding external communication information to the interface adapter unit through a high-speed Ethernet interface or a CAN interface and using a secure communication protocol for secure control and information interaction.

[0011] Preferably,

[0012] The intelligent human-computer interaction unit also includes a power module 1 and a power module 2;

[0013] The power module 1 is a wide voltage power supply, which converts the external power supply into a stable 12V, 5V, 3.3V and 1.8V DC power supply required for the operation of the multi-core high-performance processor and the display screen; the power module 2 converts the external power supply into a stable 24V or 12V DC power supply required for the operation of the thermal printer;

[0014] The multi-core high-performance processor also includes CPU cores 1 to 8, which run a real-time operating system; the CPU cores 1 to 8 transmit secure communication data through a high-speed Internet or shared memory to realize human-computer interaction functions, communication processing functions, wireless communication processing, vehicle-mounted application processing 1, vehicle-mounted application processing 2, intelligent processing, intelligent control and operation status recording.

[0015] Preferably,

[0016] The intelligent human-computer interaction unit also includes a high-resolution display screen, a thermal printer, a speaker, a button, a data storage module, a high-definition camera, a microphone, a USB interface and a memory card;

[0017] The CPU core 1 is used to realize the human-computer interaction function: the CPU core 1 displays graphic information to the driver through a high-resolution display screen, and responds to the driver's operation through the touch screen or buttons; when it is necessary to remind or warn the driver, the CPU core 1 issues a voice reminder or warning through the speaker;

[0018] The CPU core 2 is used to implement the communication processing function: the CPU core 2 exchanges information with the interface adapter unit through a high-speed Ethernet interface or a CAN interface using a secure communication protocol, and transmits the received communication information to the CPU cores 4 and 5 for further processing through an internal high-speed Internet network or a shared memory; at the same time, the CPU core 2 is connected to a thermal printer through a serial interface, and sends the data to be printed to the thermal printer for printing;

[0019] The CPU core three is used to implement wireless communication processing functions: the CPU core three uses satellite base station differential positioning data through a high-precision Beidou / GPS module to achieve centimeter-level precise positioning of the locomotive, and realizes high-speed wireless communication data transmission and reception through a wireless 4G / 5G communication module or a WIFI / Bluetooth communication module, and transmits the positioning data and wireless communication data to the CPU core four and core five through an internal high-speed Internet network or shared memory for further processing;

[0020] The CPU core 4 and the CPU core 5 are used to realize the vehicle-mounted application processing functions: the CPU core 4 and the CPU core 5 adopt a two-out-of-two safety voting structure, and perform safety communication data interaction through an internal high-speed Internet or shared memory to realize two-out-of-two safety voting; the CPU core 4 and the CPU core 5 complete the same vehicle-mounted application processing functions, including two-out-of-two voting processing, train status processing, external communication information processing, wireless communication information processing, line data processing, speed measurement and distance measurement and locomotive precise positioning, dynamic speed protection curve calculation, speed supervision and braking control functions;

[0021] The CPU core six is ​​used to realize the intelligent processing function: collecting high-definition camera data for video intelligent recognition, collecting microphone data for voice intelligent recognition; the CPU core six transmits the intelligent recognition result to the CPU core seven through the internal high-speed Internet or shared memory for subsequent processing;

[0022] The CPU core seven is used to realize the intelligent control function: the CPU core seven comprehensively uses the line data, train parameter data, train precise position, dynamic speed protection curve data, train driving plan information and the intelligent recognition result of the CPU core six to perform the intelligent calculation of the optimized train operation curve, and automatically converts it into the intelligent control instruction of train traction, braking or coasting, which is transmitted to the CPU core two through the internal high-speed Internet or shared memory, and is forwarded by the CPU core two to the interface adapter unit for corresponding intelligent driving control output; the sound and light alarm information that needs to be prompted to the driver is transmitted to the CPU core one, and the CPU core one outputs the sound and light alarm through the display screen and the speaker;

[0023] The CPU core eight is used to realize the operation status recording function: the CPU core eight is connected to the USB interface and the memory card, and the communication data to be recorded sent to the CPU core eight by other CPU cores is stored in the non-volatile memory card; at the same time, the CPU core eight detects the dumper through the USB interface, and when the dumper is found to be inserted into the USB interface, the un-dumped operation status recording data is dumped to the dumper, and the operation status analysis of the railway vehicle-mounted intelligent control and display equipment is performed through the recording data analysis software.

[0024] Preferably,

[0025] The CPU core 4 and the CPU core 5 use different data addresses to access different line data storage areas of the data storage unit, respectively read the line data, and use two-out-of-two security voting to ensure the security of line data use; the CPU core 4 and the CPU core 5 use speed sensor information and high-precision Beidou / GPS positioning data in combination, and use a multi-sensor fusion algorithm to measure speed, distance and locomotive positioning;

[0026] After CPU core 4 and CPU core 5 vote on the safety communication data to be output by each functional module of the vehicle application, only CPU core 4 or CPU core 5 will use the safety communication data that agrees with the vote to be transmitted to the corresponding CPU core through the internal high-speed interconnection network or shared memory;

[0027] The safety communication data of human-computer interaction is passed to CPU core 1 for human-computer interaction processing; the safety communication data of braking control and communication with other devices is passed to CPU core 2, which forwards it to the interface adapter unit for processing; the safety communication data of wireless network communication is passed to CPU core 3 for wireless communication processing.

[0028] Preferably,

[0029] The interface adapter unit includes three CPUs;

[0030] The backplane provides a CAN bus connection for the interface adapter unit;

[0031] The CPU has two CAN interfaces that are respectively connected to two redundant CAN buses provided by the backplane;

[0032] The power board includes a filter module, an adaptor power module 1 and an adaptor power module 2; the filter module is used to filter out interference from an external power supply;

[0033] The first adapter power supply module converts the suppressed external power supply into a stable DC power supply, and supplies power to the analog quantity board, the digital quantity board and the communication board through a power bus provided by the backplane;

[0034] The second adaptor power module converts the DC power output by the first adaptor power module into the DC power required for the speed sensor and the analog sensor to work, and outputs the DC power to the outside after isolation;

[0035] The analog quantity board includes a CPU, a signal acquisition module, a signal conditioning module, an analog quantity acquisition module, an analog quantity conditioning module, an adapter power supply module and a communication interface.

[0036] The CPU 1 collects speed sensor information and analog quantity information through a signal acquisition module and an analog quantity acquisition module, is connected to a CAN bus provided by a backplane through a communication interface 1, and uses a secure communication protocol to exchange information with the intelligent human-computer interaction unit via a communication board;

[0037] The signal conditioning module is connected to the two speed sensors, and is used to filter, limit and isolate the pulse signals output by the speed sensors, and provide the processed signals to the signal acquisition module for processing; the signal acquisition module acquires the pulse square wave signals of the speed sensors, and sends the acquisition results to the CPU for further processing;

[0038] The analog quantity conditioning module is connected to a plurality of analog quantity sensors, and is used to filter, limit and isolate the analog quantity signals output by the plurality of analog quantity sensors, condition the analog quantity to a suitable voltage and current range and provide the analog quantity acquisition module for processing;

[0039] The analog quantity acquisition module acquires analog quantity information of multiple sensors and sends the acquisition results to CPU 1 for further processing; the adaptor power supply module 3 provides the DC power required for the analog quantity board to work;

[0040] The digital quantity board includes a CPU 2, an optical coupler input interface, a safety relay output module, a contact state acquisition module, an adapter power supply module 4 and a communication interface 2;

[0041] The CPU 2 is used to process the digital quantity information collected by the optical coupling input interface and output the digital quantity output information to the outside through the safety relay output module interface;

[0042] The CPU 2 is connected to the CAN bus provided by the backplane through the communication interface 2, and uses the secure communication protocol to exchange information with the intelligent human-computer interaction unit via the communication board;

[0043] The CPU 2 performs safety control on the traction brake system of the locomotive through the safety relay output module interface according to the brake control and intelligent control instructions of the intelligent human-machine interaction unit, and collects the output contact state of the safety relay through the contact state acquisition module interface, and judges the output channel state of the safety relay in real time; the adapter power supply module 4 provides the DC power required for the operation of the digital quantity board;

[0044] The communication board includes CPU 3, communication interface 3, communication interface 4, communication interface 5 and adapter power module 5;

[0045] The communication interface 4 is connected to the intelligent human-machine interaction unit 1 and the intelligent human-machine interaction unit 2 using a high-speed Ethernet interface or a CAN interface, and uses a secure communication protocol to exchange relevant information; the communication interface 5 uses a high-speed Ethernet interface, a CAN interface and a multi-channel serial communication interface to exchange secure communication data with other external devices;

[0046] The CPU 3 is connected to the CAN bus provided by the backplane through the communication interface 3, and communicates and interacts with the analog quantity board and the digital quantity board using a secure communication protocol;

[0047] The adapting power supply module 5 provides the communication board with the DC power required for operation.

[0048] Preferably,

[0049] The adaptor power module 1 converts the suppressed external power into a stable and reliable 24V DC power supply, and provides the required power to the analog quantity board, the digital quantity board and the communication board through the power bus provided by the backplane;

[0050] The adapter power module 2 converts the 24V DC power output by the adapter power module 1 into the DC power required for the speed sensor and the analog sensor to work, and outputs it to the outside after isolation.

[0051] Preferably,

[0052] The functions of the CPU cores one to eight can be divided into multiple CPU cores for processing, or the functions completed by multiple CPU cores can be recombined into one CPU core for processing.

[0053] Preferably,

[0054] The single functional modules of the CPU cores 1 to 8 can be expanded into two hot standby redundant functional modules.

[0055] Preferably,

[0056] The three CPUs of the interface adapter unit can be split into multiple CPUs for processing;

[0057] The board containing one CPU of the interface adapter unit can be expanded to a board containing two CPUs to form a two-out-of-two safety voting board.

[0058] Preferably,

[0059] The single set of power supply boards, analog quantity boards, digital quantity boards and communication boards can all be expanded into dual sets of hot standby redundant functional boards.

[0060] The beneficial effects of the present invention are:

[0061] The present invention provides a railway vehicle-mounted intelligent control and display device, which has the characteristics of small size, low cost, easy installation and maintenance, and has strong intelligent processing capabilities. By simplifying the design, the reliability of the entire vehicle-mounted system is improved, thus contributing to the development of railways. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0063] Figure 1 It is a structural schematic diagram of the railway vehicle-mounted intelligent control and display device of the present invention;

[0064] Figure 2 It is a structural schematic diagram of the intelligent human-computer interaction unit of the present invention;

[0065] Figure 3 The structure diagram of the interface adapter unit of the present invention is DETAILED DESCRIPTION

[0066] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the following embodiments are provided only for the purpose of illustration and are not intended to limit the scope of the present invention. Those skilled in the art may make various modifications and substitutions to the present invention without departing from the purpose and spirit of the present invention.

[0067] The present invention provides a railway vehicle-mounted intelligent control and display device, such as Figure 1 The figure shows a schematic diagram of the structure of railway vehicle-mounted intelligent control and display equipment, including: an intelligent human-machine interaction unit (iDMI) and an interface adapter unit.

[0068] The intelligent human-computer interaction unit realizes the following functions:

[0069] (1) Human-computer interaction function: display, voice prompts, and response to driver operations;

[0070] (2) On-board application processing functions: train status processing, external communication interaction, wireless communication processing, data processing, speed and distance measurement, protection curve calculation, speed supervision, brake control and operation status recording;

[0071] (3) Other new functions: high-precision Beidou / GPS positioning, wireless 4G / 5G communication, wireless WIFI / Bluetooth communication, thermal printing, intelligent processing and intelligent control, etc.

[0072] The interface adapter unit implements the following functions:

[0073] (1) Information conditioning and acquisition of various sensors: analog quantity information conditioning and acquisition, speed sensor information conditioning and acquisition, etc.;

[0074] (2) Multiple external communication interfaces: high-speed Ethernet interface, CAN interface, multi-channel serial communication interface, etc.

[0075] (3) Digital input and output interface: functions such as digital input information collection and digital output interface adaptation.

[0076] The interface adapter unit sends the acquired analog quantity information, speed sensor information, digital quantity information and external communication interface information to the intelligent human-machine interaction unit through a high-speed Ethernet interface or a CAN interface and using a secure communication protocol.

[0077] The intelligent human-computer interaction unit is the core processing unit of the railway on-board intelligent control and display equipment. It is used to securely process the received data, realize functions such as human-computer interaction, on-board application processing, intelligent processing and intelligent control, and send the braking control instructions, intelligent control instructions and corresponding external communication information to the interface adapter unit through the high-speed Ethernet interface or CAN interface and using the secure communication protocol.

[0078] The railway vehicle-mounted intelligent control and display device of the present invention has the characteristics of small size, low cost, easy installation and maintenance, and has strong intelligent processing capabilities. Moreover, the reliability of the entire vehicle-mounted system is improved through simplified design.

[0079] The intelligent human-computer interaction unit (iDMI) includes a multi-core high-performance processor, a high-performance GPU / NPU module, a high-resolution display screen (with touch function), a speaker, buttons, a thermal printer, a high-precision Beidou / GPS module, a 4G / 5G communication module, a WIFI / Bluetooth module, a data storage module, a high-definition camera, a microphone, a USB interface and a memory card, etc. In addition to realizing the human-computer interaction function, it further realizes the on-board application processing function, and adds functions such as high-precision Beidou / GPS positioning, wireless 4G / 5G communication, wireless WIFI / Bluetooth communication, thermal printing, intelligent processing and intelligent control.

[0080] The interface adapter unit includes: a backplane, a power board, an analog quantity board, a digital quantity board and a communication board respectively plugged into the backplane; the analog quantity board and the digital quantity board exchange information with the communication board via the CAN bus provided by the backplane using a secure communication protocol.

[0081] This embodiment only takes the intelligent human-computer interaction unit using an eight-core high-performance processor as an example for explanation. Any behavior of dividing the functions completed by one CPU core in this embodiment into multiple CPU cores for processing, or recombining the functions completed by multiple CPU cores in this embodiment into one CPU core for processing, or only using a high-performance GPU or NPU for intelligent processing are protected by the present invention. In addition, the behavior of expanding the single functional module in this embodiment into two hot standby redundant functional modules is also protected by the present invention.

[0082] like Figure 2 As shown, the intelligent human-machine interaction unit (iDMI) includes:

[0083] Power module 1, power module 2, multi-core high-performance processor, high-performance GPU / NPU module, high-resolution display (with touch function), speaker, button, thermal printer, high-precision Beidou / GPS module, 4G / 5G module, WIFI / Bluetooth module, data storage module, HD camera, microphone, USB interface and memory card, etc.

[0084] Among them, power module 1 is a wide-voltage power supply that can convert the external power supply into a stable and reliable 12V, 5V, 3.3V and 1.8V DC power supply required for the operation of modules such as multi-core high-performance processors and display screens; power module 2 converts the external power supply into a stable and reliable 24V or 12V DC power supply required for the operation of thermal printers.

[0085] Correspondingly, the multi-core high-performance processor is the core processing module of the iDMI unit, which includes CPU cores one to eight and high-performance GPU / NPU modules, etc., running a real-time operating system (RTOS), and CPU cores one to eight transmit secure communication data through a high-speed Internet or shared memory; the multi-core high-performance processor is used to realize human-computer interaction functions, communication processing functions, wireless communication processing, vehicle-mounted application processing one, vehicle-mounted application processing two, intelligent processing functions, intelligent control functions and operation status recording functions, etc.

[0086] Among them, CPU core 1 mainly realizes the human-computer interaction function; CPU core 1 displays graphic information to the driver through a high-resolution display screen (including touch function), and responds to the driver's operation through the touch screen, and can also respond to the driver's operation through buttons; when it is necessary to remind or warn the driver, the CPU core 1 sends out clear and loud voice reminders or warnings through the dual-channel speakers.

[0087] CPU core 2 mainly implements communication processing functions; CPU core 2 uses a secure communication protocol to exchange information with the interface adapter unit through a high-speed Ethernet interface or a CAN interface, and transmits the received communication information to CPU cores 4 and 5 through an internal high-speed Internet network or shared memory for further processing; at the same time, CPU core 2 is connected to the thermal printer through a serial interface and sends the data to be printed to the thermal printer for printing.

[0088] CPU core three mainly implements wireless communication processing functions; CPU core three uses satellite base station differential positioning data through the high-precision Beidou / GPS module (including satellite receiving antenna) to achieve centimeter-level precise positioning of the locomotive, and through the 4G / 5G module (including 4G / 5G antenna) to achieve high-speed wireless communication data transmission and reception, and can also achieve wireless communication data transmission and reception through the WIFI / Bluetooth module (including WIFI / Bluetooth antenna), and pass the high-precision Beidou / GPS positioning data and the received wireless communication information to CPU core four and core five through the internal high-speed Internet network or shared memory for further processing.

[0089] Correspondingly, CPU core 4 and CPU core 5 adopt a two-out-of-two safety voting structure, and conduct secure communication data exchange through an internal high-speed Internet network or shared memory to achieve two-out-of-two safety voting; CPU core 4 and CPU core 5 complete the same on-board application processing functions, including two-out-of-two voting processing, train status processing, external communication information processing, wireless communication information processing, line data processing, speed and distance measurement and locomotive precise positioning, dynamic speed protection curve calculation, speed supervision and braking control and other functions.

[0090] Among them, CPU core 4 and CPU core 5 use different data addresses to access different line data storage areas of the data storage unit, read the line data respectively, and use two-out-of-two security voting to ensure the security of line data use; CPU core 4 and CPU core 5 comprehensively use speed sensor information and high-precision Beidou / GPS positioning data, and use multi-sensor fusion algorithms to ensure the accuracy and safety of speed and distance measurement and locomotive positioning.

[0091] At the same time, CPU core 4 and CPU core 5 will vote on the safety communication data to be output by each functional module of the vehicle application, and only CPU core 4 or CPU core 5 will use the safety communication data that agrees with the vote to be transmitted to the corresponding CPU core through the internal high-speed Internet or shared memory. Specifically, the safety communication data of human-computer interaction is transmitted to CPU core 1 for human-computer interaction processing; the safety communication data of braking control and communication with other devices is transmitted to CPU core 2, and further forwarded by CPU core 2 to the interface adapter unit for corresponding processing; the safety communication data of wireless network communication is transmitted to CPU core 3 for wireless communication processing.

[0092] Correspondingly, both CPU core 6 and CPU core 7 can use the AI ​​computing power of high-performance GPU / NPU for intelligent computing. Specifically, CPU core 6 mainly realizes intelligent processing functions, including: collecting high-definition camera data for video intelligent recognition, such as intelligent recognition of the driver's driving status or other abnormal conditions in the driver's room; and collecting microphone data for voice intelligent recognition, such as intelligent recognition of the driver's voice command information; CPU core 6 transmits the intelligent recognition results to CPU core 7 through the internal high-speed Internet or shared memory for subsequent processing.

[0093] CPU core seven mainly realizes intelligent control functions; CPU core seven can comprehensively use line data, train parameter data, train precise position, dynamic speed protection curve data, train driving plan information and the intelligent recognition results of CPU core six, etc., to perform intelligent calculation of optimized train operation curves, and automatically convert them into intelligent control instructions for train traction, braking or coasting, which are passed to CPU core two through the internal high-speed Internet or shared memory, and forwarded by CPU core two to the interface adapter unit for corresponding intelligent driving control output; for the sound and light alarm information that needs to prompt the driver, it is passed to CPU core one, and CPU core one outputs sound and light alarms through the display screen and speaker.

[0094] Correspondingly, the CPU core eight mainly realizes the operation status recording function; the CPU core eight is connected to the USB interface and the memory card, and stores the communication data that needs to be recorded and sent to the CPU core eight by other CPU cores in the non-volatile memory card; at the same time, the CPU core eight detects the dumper through the USB interface, and when the dumper is found to be inserted into the USB interface, the un-dumped operation status recording data is dumped to the dumper, so as to perform the operation status analysis of the railway vehicle-mounted intelligent control and display equipment through the recording data analysis software.

[0095] The intelligent human-machine interaction unit (iDMI) is the core unit of the railway on-board intelligent control and display equipment, which realizes the core functions of the on-board equipment and further realizes functions such as intelligent processing and intelligent control; this makes the entire on-board equipment small in size, low in cost, light in weight, rich in functions, and easy to install and maintain, and is suitable for shunting locomotives with harsh installation conditions; at the same time, the intelligent human-machine interaction unit provided in the embodiment of the present invention does not reduce its safety and further improves its intelligent processing capability.

[0096] The interface adapter unit uses only three CPUs to complete functions such as analog information acquisition and calculation, speed sensor information acquisition and processing, internal secure communication data interaction, digital input information acquisition, digital output information control output, secure communication data interaction with the iDMI unit, and secure communication data interaction with other external devices.

[0097] This embodiment only takes the example of an interface adapter unit containing three CPUs. Any behavior of dividing the functions completed by one CPU in this embodiment into multiple CPUs for processing is protected by the present invention. In addition, the behavior of changing the board containing one CPU in this embodiment into a board containing two CPUs to form a two-out-of-two safety voting board, or expanding the single set of functional boards in this embodiment into dual sets of hot standby redundant functional boards, are all protected by the present invention.

[0098] like Figure 3 As shown, the specific design of the interface adapter unit is as follows:

[0099] The backplane provides a reliable CAN bus connection for the interface adapter unit. Each of the three CPUs has a CAN interface connected to the CAN bus provided by the backplane (or each CPU has two CAN interfaces connected to the two redundant CAN buses provided by the backplane respectively), namely communication interface 1, communication interface 2, and communication interface 3.

[0100] Correspondingly, the power board is composed of a filter module, an adapter power module 1 and an adapter power module 2; wherein, the filter module can filter out interference from the external power supply and isolate the electromagnetic interference of the 110V DC power provided by the locomotive battery; in a complex electromagnetic environment, it ensures that clean and stable power is provided to the interface adapter unit;

[0101] The adapter power module 1 converts the suppressed external power into a stable and reliable 24V DC power supply, and provides the required power to the analog quantity board, digital quantity board and communication board through the power bus provided by the backplane;

[0102] The adapter power module 2 converts the 24V DC power output by the power module 1 into the DC power required for the speed sensor and the analog sensor to work, and outputs it to the outside after isolation.

[0103] Correspondingly, the analog quantity board is composed of a CPU, a signal acquisition, a signal conditioning module, an analog quantity acquisition, an analog quantity conditioning module, an adapter power supply module and a communication interface;

[0104] Among them, CPU 1 is the core processing module of the analog quantity board, which realizes the acquisition of speed sensor information and analog quantity information through signal acquisition and analog quantity acquisition modules, connects with the CAN bus provided by the backplane through communication interface 1, and uses the secure communication protocol to exchange information with the iDMI unit via the communication board;

[0105] The signal conditioning unit is connected to the two speed sensors, and is used to filter, limit and isolate the pulse signals output by the speed sensors, and provide the processed signals to the signal acquisition module for processing; the signal acquisition module safely collects the pulse square wave signals of the speed sensors, and sends the collected results to the CPU for further processing;

[0106] The analog quantity conditioning module is connected to multiple analog quantity sensors, including diesel engine speed sensor, train pipe pressure sensor, brake cylinder pressure sensor and equalizing air cylinder pressure sensor, etc., and is used to filter, limit and isolate the analog quantity signals output by these sensors, condition the analog quantity to a suitable voltage and current range and provide it to the analog quantity acquisition module for processing; the analog quantity acquisition module collects analog quantity information from multiple sensors and sends the collection results to CPU 1 for further processing; the adapter power supply module 3 provides the analog quantity board with the stable and reliable DC power supply required for its operation.

[0107] The digital quantity board consists of CPU 2, optocoupler input interface, safety relay output, contact status acquisition, adapter power module 4 and communication interface 2;

[0108] Among them, CPU 2 is the core processing module of the digital quantity board, responsible for processing the digital quantity information such as the controller status, button status, switch status, etc. collected by the optocoupler input interface, and outputting the digital quantity output information through the safety relay output interface; CPU 2 is connected to the CAN bus provided by the backplane through the communication interface 2, and uses the safety communication protocol to exchange information with the iDMI unit via the communication board to realize the safe interaction of digital quantity input and output information;

[0109] At the same time, CPU 2 performs safety control on the locomotive's traction braking system through the safety relay output interface according to the braking control and intelligent control instructions of the iDMI unit, including normal / emergency braking output, traction output cut-off and intelligent driving control output, etc., and collects the safety relay contact status through the contact status acquisition interface, and judges the safety relay output channel status in real time to ensure the effectiveness and safety of the control output; the adapter power supply module 4 provides the digital quantity board with the stable and reliable DC power supply required for its operation.

[0110] Correspondingly, the communication board is composed of CPU 3, communication interface 3, communication interface 4, communication interface 5 and adapter power module 5;

[0111] Among them, the communication interface 4 uses a high-speed Ethernet interface or a CAN interface to connect with the iDMI 1 and iDMI 2 devices, and uses a secure communication protocol to exchange relevant information; the communication interface 5 can use a high-speed Ethernet interface, a CAN interface, and a multi-channel serial communication interface to exchange secure communication data with other external devices;

[0112] CPU three is the core module of the communication board. It is connected to the CAN bus provided by the backplane through communication interface three, and communicates with the analog board and the digital board using a secure communication protocol. The adapter power module five provides the communication board with a stable and reliable DC power supply required for its operation.

[0113] The interface adapter unit of the present invention, together with the iDMI 1 and iDMI 2 units, constitutes a railway on-board intelligent control and display device, which has the characteristics of small size, low cost, easy installation and maintenance, and is particularly suitable for shunting locomotives with harsh installation conditions. By simplifying the design, the reliability of the entire on-board system is improved, thus contributing to the development of railways.

[0114] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0115] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A railway vehicle-mounted intelligent control and display device, characterized in that: The device comprises: Several intelligent human-computer interaction units and interface adaptation units; The intelligent human-computer interaction unit includes a multi-core high-performance processor, a high-performance GPU / NPU module, a high-precision Beidou / GPS module, a wireless 4G / 5G communication module, and a WIFI / Bluetooth communication module; The interface adapter unit includes multiple CPUs, a backplane, a power board, an analog quantity board, a digital quantity board and a communication board respectively plugged into the backplane; the analog quantity board and the digital quantity board exchange information with the communication board through the CAN bus provided by the backplane using a secure communication protocol; The intelligent human-machine interaction unit processes the received data securely, and sends the braking control instructions, intelligent control instructions and corresponding external communication information to the interface adapter unit through a high-speed Ethernet interface or a CAN interface and using a secure communication protocol for secure control and information interaction.

2. The railway vehicle-mounted intelligent control and display device according to claim 1 is characterized in that: The intelligent human-computer interaction unit also includes a power module 1 and a power module 2; The power module 1 is a wide voltage power supply, which converts the external power supply into a stable 12V, 5V, 3.3V and 1.8V DC power supply required for the operation of the multi-core high-performance processor and the display screen; the power module 2 converts the external power supply into a stable 24V or 12V DC power supply required for the operation of the thermal printer; The multi-core high-performance processor also includes CPU cores 1 to 8, which run a real-time operating system; the CPU cores 1 to 8 transmit secure communication data through a high-speed Internet or shared memory to realize human-computer interaction functions, communication processing functions, wireless communication processing, vehicle-mounted application processing 1, vehicle-mounted application processing 2, intelligent processing, intelligent control and operation status recording.

3. The railway vehicle-mounted intelligent control and display device according to claim 2 is characterized in that: The intelligent human-computer interaction unit also includes a high-resolution display screen, a thermal printer, a speaker, a button, a data storage module, a high-definition camera, a microphone, a USB interface and a memory card; The CPU core 1 is used to realize the human-computer interaction function: the CPU core 1 displays graphic information to the driver through a high-resolution display screen, and responds to the driver's operation through the touch screen or buttons; when it is necessary to remind or warn the driver, the CPU core 1 issues a voice reminder or warning through the speaker; The CPU core 2 is used to implement the communication processing function: the CPU core 2 exchanges information with the interface adapter unit through a high-speed Ethernet interface or a CAN interface using a secure communication protocol, and transmits the received communication information to the CPU cores 4 and 5 for further processing through an internal high-speed Internet network or a shared memory; at the same time, the CPU core 2 is connected to a thermal printer through a serial interface, and sends the data to be printed to the thermal printer for printing; The CPU core three is used to implement wireless communication processing functions: the CPU core three uses satellite base station differential positioning data through a high-precision Beidou / GPS module to achieve centimeter-level precise positioning of the locomotive, and realizes high-speed wireless communication data transmission and reception through a wireless 4G / 5G communication module or a WIFI / Bluetooth communication module, and transmits the positioning data and wireless communication data to the CPU core four and core five through an internal high-speed Internet network or shared memory for further processing; The CPU core 4 and the CPU core 5 are used to realize the vehicle-mounted application processing functions: the CPU core 4 and the CPU core 5 adopt a two-out-of-two safety voting structure, and perform safety communication data interaction through an internal high-speed Internet or shared memory to realize two-out-of-two safety voting; the CPU core 4 and the CPU core 5 complete the same vehicle-mounted application processing functions, including two-out-of-two voting processing, train status processing, external communication information processing, wireless communication information processing, line data processing, speed measurement and distance measurement and locomotive precise positioning, dynamic speed protection curve calculation, speed supervision and braking control functions; The CPU core six is ​​used to realize the intelligent processing function: collecting high-definition camera data for video intelligent recognition, collecting microphone data for voice intelligent recognition; the CPU core six transmits the intelligent recognition result to the CPU core seven through the internal high-speed Internet or shared memory for subsequent processing; The CPU core seven is used to realize the intelligent control function: the CPU core seven comprehensively uses the line data, train parameter data, train precise position, dynamic speed protection curve data, train driving plan information and the intelligent recognition result of the CPU core six to perform the intelligent calculation of the optimized train operation curve, and automatically converts it into the intelligent control instruction of train traction, braking or coasting, which is transmitted to the CPU core two through the internal high-speed Internet or shared memory, and is forwarded by the CPU core two to the interface adapter unit for corresponding intelligent driving control output; the sound and light alarm information that needs to be prompted to the driver is transmitted to the CPU core one, and the CPU core one outputs the sound and light alarm through the display screen and the speaker; The CPU core eight is used to realize the operation status recording function: the CPU core eight is connected to the USB interface and the memory card, and the communication data to be recorded sent to the CPU core eight by other CPU cores is stored in the non-volatile memory card; at the same time, the CPU core eight detects the dumper through the USB interface, and when the dumper is found to be inserted into the USB interface, the un-dumped operation status recording data is dumped to the dumper, and the operation status analysis of the railway vehicle-mounted intelligent control and display equipment is performed through the recording data analysis software.

4. The railway vehicle-mounted intelligent control and display device according to claim 3 is characterized in that: The CPU core 4 and the CPU core 5 use different data addresses to access different line data storage areas of the data storage unit, respectively read the line data, and use two-out-of-two security voting to ensure the security of line data use; the CPU core 4 and the CPU core 5 use speed sensor information and high-precision Beidou / GPS positioning data in combination, and use a multi-sensor fusion algorithm to measure speed, distance and locomotive positioning; After CPU core 4 and CPU core 5 vote on the safety communication data to be output by each functional module of the vehicle application, only CPU core 4 or CPU core 5 will use the safety communication data that agrees with the vote to be transmitted to the corresponding CPU core through the internal high-speed interconnection network or shared memory; The safety communication data of human-computer interaction is passed to CPU core 1 for human-computer interaction processing; the safety communication data of braking control and communication with other devices is passed to CPU core 2, which forwards it to the interface adapter unit for processing; the safety communication data of wireless network communication is passed to CPU core 3 for wireless communication processing.

5. The railway vehicle-mounted intelligent control and display device according to claim 1, characterized in that: The interface adapter unit includes three CPUs; The backplane provides a CAN bus connection for the interface adapter unit; The CPU has two CAN interfaces that are respectively connected to two redundant CAN buses provided by the backplane; The power board includes a filter module, an adaptor power module 1 and an adaptor power module 2; the filter module is used to filter out interference from an external power supply; The first adapter power supply module converts the suppressed external power supply into a stable DC power supply, and supplies power to the analog quantity board, the digital quantity board and the communication board through a power bus provided by the backplane; The second adaptor power module converts the DC power output by the first adaptor power module into the DC power required for the speed sensor and the analog sensor to work, and outputs the DC power to the outside after isolation; The analog quantity board includes a CPU, a signal acquisition module, a signal conditioning module, an analog quantity acquisition module, an analog quantity conditioning module, an adapter power supply module and a communication interface. The CPU 1 collects speed sensor information and analog quantity information through a signal acquisition module and an analog quantity acquisition module, is connected to a CAN bus provided by a backplane through a communication interface 1, and uses a secure communication protocol to exchange information with the intelligent human-computer interaction unit via a communication board; The signal conditioning module is connected to the two speed sensors, and is used to filter, limit and isolate the pulse signals output by the speed sensors, and provide the processed signals to the signal acquisition module for processing; the signal acquisition module acquires the pulse square wave signals of the speed sensors, and sends the acquisition results to the CPU for further processing; The analog quantity conditioning module is connected to a plurality of analog quantity sensors, and is used to filter, limit and isolate the analog quantity signals output by the plurality of analog quantity sensors, condition the analog quantity to a suitable voltage and current range and provide the analog quantity acquisition module for processing; The analog quantity acquisition module acquires analog quantity information of multiple sensors and sends the acquisition results to CPU 1 for further processing; the adaptor power supply module 3 provides the DC power required for the analog quantity board to work; The digital quantity board includes a CPU 2, an optical coupler input interface, a safety relay output module, a contact state acquisition module, an adapter power supply module 4 and a communication interface 2; The CPU 2 is used to process the digital quantity information collected by the optical coupling input interface and output the digital quantity output information to the outside through the safety relay output module interface; The CPU 2 is connected to the CAN bus provided by the backplane through the communication interface 2, and uses the secure communication protocol to exchange information with the intelligent human-computer interaction unit via the communication board; The CPU 2 performs safety control on the traction brake system of the locomotive through the safety relay output module interface according to the brake control and intelligent control instructions of the intelligent human-machine interaction unit, and collects the output contact state of the safety relay through the contact state acquisition module interface, and judges the output channel state of the safety relay in real time; the adapter power supply module 4 provides the DC power required for the operation of the digital quantity board; The communication board includes CPU 3, communication interface 3, communication interface 4, communication interface 5 and adapter power module 5; The communication interface 4 is connected to the intelligent human-machine interaction unit 1 and the intelligent human-machine interaction unit 2 using a high-speed Ethernet interface or a CAN interface, and uses a secure communication protocol to exchange relevant information; the communication interface 5 uses a high-speed Ethernet interface, a CAN interface and a multi-channel serial communication interface to exchange secure communication data with other external devices; The CPU 3 is connected to the CAN bus provided by the backplane through the communication interface 3, and communicates and interacts with the analog quantity board and the digital quantity board using a secure communication protocol; The adapting power supply module 5 provides the communication board with the DC power required for operation.

6. The railway vehicle-mounted intelligent control and display device according to claim 5, characterized in that: The adaptor power module 1 converts the suppressed external power into a stable and reliable 24V DC power supply, and provides the required power to the analog quantity board, the digital quantity board and the communication board through the power bus provided by the backplane; The adapter power module 2 converts the 24V DC power output by the adapter power module 1 into the DC power required for the speed sensor and the analog sensor to work, and outputs it to the outside after isolation.

7. The railway vehicle-mounted intelligent control and display device according to claim 3 is characterized in that: The functions of the CPU cores one to eight can be divided into multiple CPU cores for processing, or the functions completed by multiple CPU cores can be recombined into one CPU core for processing.

8. The railway vehicle-mounted intelligent control and display device according to claim 3 is characterized in that: The single functional modules of the CPU cores 1 to 8 can be expanded into two hot standby redundant functional modules.

9. The railway vehicle-mounted intelligent control and display device according to claim 5, characterized in that: The three CPUs of the interface adapter unit can be split into multiple CPUs for processing; The board containing one CPU of the interface adapter unit can be expanded to a board containing two CPUs to form a two-out-of-two safety voting board.

10. The railway vehicle-mounted intelligent control and display device according to claim 5, characterized in that: The single set of power supply boards, analog quantity boards, digital quantity boards and communication boards can all be expanded into dual sets of hot standby redundant functional boards.

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