Control station
By designing the control station, the debugging problems of Ethernet bus management equipment in distributed aircraft management systems are solved, and functions such as real-time data acquisition, storage and forwarding, and discrete signal conversion are realized, meeting the testing requirements of the aircraft management system and having good scalability and maintenance convenience.
Patent Information
- Application Number
- CN202423183977.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing Ethernet bus management equipment cannot meet the debugging requirements of aircraft management systems based on Ethernet bus and adopting distributed architecture, especially in changing monitoring variables, forwarding data, realizing discrete signal level conversion and digital logic synthesis.
A control station was designed, which included a main control module, RS422 discrete modules, an interconnection baseboard, an X86 computer module, several Ethernet data acquisition modules and a power supply module. Through specific channels and interfaces, it realized functions such as data acquisition, storage, forwarding and level conversion. It had a modular design to meet the debugging requirements of distributed systems.
It realizes real-time data acquisition of aircraft management system, storage and forwarding of dynamic debugging data, level conversion of discrete signals and digital logic synthesis, meets the test hardware requirements of aircraft management system, and has good scalability and maintenance convenience.
Smart Images
Figure CN223461807U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to equipment test technical field especially relates to a control station. BACKGROUND
[0002] At present, some model aircraft management systems are mainly based on Ethernet bus and adopt distributed architecture; in the aircraft management system, the Ethernet bus is connected between each channel flypipe computer and fly control computer, flypipe computer, fly control computer and remote end finished product.
[0003] The Ethernet bus management equipment in the past is controlled through the static debugging mode such as breakpoint setting and single step operation, but cannot meet the debugging demand of new distributed system; its main performance is: without the ability of changing monitoring variable, without the ability of forwarding and returning with X86 module, without the ability of realizing level conversion and digital logic synthesis of discrete signal.
[0004] Therefore, it is necessary to provide a control station to meet the test hardware demand of aircraft management system based on Ethernet bus and adopting distributed architecture. UTILITY MODEL CONTENT
[0005] In order to solve the above technical problems, the utility model provides a control station for Ethernet bus management of aircraft management system based on Ethernet bus and adopting distributed architecture, which comprises a main control module, an RS422 discrete module, an interconnection bottom plate, an X86 computer module, a plurality of Ethernet data acquisition modules and a power module; wherein,
[0006] The main control module and the interconnection bottom plate are electrically connected through a main control SGMII channel, an interrupt signal link and a main control discrete IO channel respectively; wherein, the interrupt signal link is set as double way corresponding to a single Ethernet data acquisition module; the RS422 discrete module is used for acquiring discrete 422 signal and is electrically connected with the interconnection bottom plate through discrete IO channel;
[0007] The Ethernet data acquisition module is used for acquiring Ethernet data signal and is electrically connected with the interconnection bottom plate through double way SGMII channel; the X86 computer module is electrically connected with the interconnection bottom plate through Ethernet data channel; the power module is used for connecting 220V AC input and providing DC power supply for the main control module, the RS422 discrete module, the interconnection bottom plate, the X86 computer module and the plurality of Ethernet data acquisition modules through power supply line respectively.
[0008] As a further solution, the interconnection board is provided with a first Ethernet switch chip and a second Ethernet switch chip; wherein the first Ethernet switch chip, the second Ethernet switch chip and the master control module are connected with each other through an SPI channel; the first Ethernet switch chip is electrically connected with the master control module through a master SGMII channel, and the second Ethernet switch chip is electrically connected with the first Ethernet switch chip through a 1-way SGMII channel.
[0009] As a further solution, the Ethernet data acquisition module is further provided with a debugging interface, and 5v working direct current power is obtained through the power module; the interconnection board is in communication connection with the master control module through two interrupt lines and three GPIO channels, and the Ethernet data acquisition module is connected to the master control module and the 1-way SGMII channel through two-way SGMII.
[0010] As a further solution, the interconnection board is further provided with a plurality of RJ45 interfaces and HX5120 interfaces; wherein the X86 computer module is electrically connected with the interconnection board through the RJ45 interface, the RJ45 interface is connected into the 1-way SGMII channel through an Ethernet PHY, and the debugging interface is electrically connected with the interconnection board through the HX5120 interface.
[0011] As a further solution, the master control module comprises a SOC chip, a PHY communication module, a configuration chip cache, a system NorFlash cache, a DDR memory, a temperature sensing module, a power management module, an RS232 communication module, a double-row connector and an XMC sub-interface; the SOC chip, the RS232 communication module and the PHY communication module are electrically connected with the double-row connector respectively, and the SOC chip, the RS232 communication module, the PHY communication module and the power management module are electrically connected with the XMC sub-interface respectively; the master control module is electrically connected with the interconnection board through the XMC sub-interface, and the double-row connector is arranged on the interconnection board and used as a signal lead extension.
[0012] As a further solution, the RS422 discrete module is provided with 8-way RS422S input and 32-way RS422 output; the Ethernet data acquisition module is provided with 8, and the X86 computer module is provided with a VGA interface and a 4-way USB interface.
[0013] Compared with the prior art, the control station provided by the utility model has the following advantages:
[0014] The utility model discloses a main control module, RS422 discrete module, interconnection bottom plate, X86 computer module, a plurality of ethernet data acquisition module and power module, wherein, main control module and interconnection bottom plate are electrically connected through main control SGMII channel, interrupt signal link and main control discrete IO channel respectively, the interrupt signal link is set to double -way for single ethernet data acquisition module, RS422 discrete module is used to gather discrete 422 signal, and is electrically connected with interconnection bottom plate through discrete IO channel to the inside, ethernet data acquisition module is electrically connected with interconnection bottom plate through double -way SGMII channel to the inside, X86 computer module is electrically connected with interconnection bottom plate through ethernet data channel to the inside, and this scheme satisfies the aircraft management system test hardware demand based on ethernet bus and adopts distributed architecture. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a control station architecture schematic diagram provided by the utility model,
[0016] Figure 2 It is control station connection relation schematic diagram provided by the utility model,
[0017] Figure 3 It is ethernet data acquisition module structure schematic diagram provided by the utility model,
[0018] Figure 4 It is rack equipment schematic provided by the utility model Figure 1 ;
[0019] Figure 5 It is rack equipment schematic provided by the utility model Figure 2 . DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in the following with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the utility model embodiment described and shown in the drawing here can be arranged and designed in various different configurations.
[0021] Please refer to Figure 1 The utility model provides a control station for carrying out ethernet bus management to the aircraft management system based on ethernet bus and adopting distributed architecture, including main control module, RS422 discrete module, interconnection bottom plate, X86 computer module, a plurality of ethernet data acquisition module and power module, wherein,
[0022] The main control module and the interconnection backboard are electrically connected through a main control SGMII channel, an interrupt signal link and a main control discrete IO channel respectively; wherein the interrupt signal link is provided with two paths for a single Ethernet data acquisition module; the RS422 discrete module is used for acquiring discrete 422 signals and is electrically connected with the interconnection backboard through a discrete IO channel;
[0023] The Ethernet data acquisition module is used for acquiring Ethernet data signals and is electrically connected with the interconnection backboard through a double-path SGMII channel; the X86 computer module is electrically connected with the interconnection backboard through an Ethernet data channel; and the power module is used for connecting 220V AC input and providing DC power supply for the main control module, the RS422 discrete module, the interconnection backboard, the X86 computer module and the Ethernet data acquisition modules through power supply lines respectively.
[0024] It should be noted that the debugging requirements of the new distributed system mainly include:
[0025] 1. The ability to simultaneously collect dynamic debugging data from 16 debugging Ethernet and store large amounts of local data;
[0026] 2. The ability to change monitoring variables through 16 debugging Ethernet simultaneously under normal operation;
[0027] 3. The ability to forward the locally stored dynamic debugging data to the X86 module in idle condition;
[0028] 4. The ability to perform on-board software dynamic debugging through the debugging Ethernet;
[0029] 5. The ability to receive through the Ethernet and forward through 16 debugging Ethernet simultaneously;
[0030] 6. The ability to return the data requested by the control command to the X86 module through the Ethernet;
[0031] 7. Realize level conversion and digital logic synthesis of discrete signals.
[0032] The hardware of the existing Ethernet bus management device cannot support these operations, therefore, the embodiment provides a control station to meet the hardware requirements of the aircraft management system test; the control station is modularized as a whole, the modules in the device are interconnected through connectors to form a 19-inch rack-mounted device (such as Figure 4 and Figure 5 ).
[0033] Each Ethernet data acquisition module implements two independent Ethernet signal channels. The Ethernet signal external interface adopts an aviation socket form, and the processor adopts an XC7Z045 of NXP. One XC7Z045 processor on the system is provided with one Ethernet, so as to realize external communication of one Ethernet signal; the main control module, the X86 computer module and the Ethernet data acquisition module are connected in communication through an Ethernet switching chip on the interconnection board to form an Ethernet communication network.
[0034] The system adopts an ATX power supply, and a P1H-5400V power supply of Xinxing Company is selected. The total power of the power supply is 400W, 220V@50Hz AC power input, 12V@28A and 5V@25A output, and the size is 100mm*231mm*40.5mm, which can meet the demand of the system on the power supply. The modules in the system are mainly powered by 12V power supply, and two power switches are provided, one is a total power switch of the equipment, and the other is an X86 power switch. This design is to prevent damage to the X86 file system during power failure of the equipment.
[0035] The scheme takes into account the economy and scalability, and still makes a backup design for the risk part, and each part is relatively independent, facilitating module maintenance and replacement.
[0036] As shown in Figure 2 , the interconnection board is provided with a first Ethernet switching chip and a second Ethernet switching chip; wherein the first Ethernet switching chip, the second Ethernet switching chip and the main control module are connected with each other through an SPI channel; the first Ethernet switching chip is electrically connected with the main control module through a main control SGMII channel, and the second Ethernet switching chip is electrically connected with the first Ethernet switching chip through a 1-way SGMII channel.
[0037] As shown in Figure 2 , the Ethernet data acquisition module is further provided with a debugging interface, and 5V working DC power is obtained through a power module; the interconnection board is connected in communication between the Ethernet data acquisition module and the main control module through two interrupt lines and three GPIO channels, and the Ethernet data acquisition module is connected to the main control module and a 1-way SGMII channel through two-way SGMII respectively.
[0038] As shown in Figure 2 , the interconnection board is further provided with a plurality of RJ45 interfaces and HX5120 interfaces; wherein the X86 computer module is electrically connected with the interconnection board through the RJ45 interface, the RJ45 interface is connected to a 1-way SGMII channel through an Ethernet PHY, and the debugging interface is electrically connected with the interconnection board through the HX5120 interface.
[0039] As shown in Figure 3As shown, the master module includes a SOC chip, a PHY communication module, a configuration chip cache, a system NorFlash cache, a DDR memory, a temperature sensing module, a power management module, a RS232 communication module, a double-row connector and an XMC sub-interface; the SOC chip, the RS232 communication module and the PHY communication module are electrically connected with the double-row connector respectively, and the SOC chip, the RS232 communication module, the PHY communication module and the power management module are electrically connected with the XMC sub-interface respectively; the master module is electrically connected with the interconnection backplane through the XMC sub-interface, and the double-row connector is arranged on the interconnection backplane and serves as a signal lead expansion.
[0040] The master module is designed by using a high-integration SOC chip, and the SOC chip is a Xilinx Zynq series 7045 with a model number of XC7Z045. The chip integrates an FPGA and an ARM, and a Fudan Micro FMQL45 in-situ replacement chip scheme is available in China to realize in-situ replacement and localization design. The master module is designed in a compact manner to reduce the occupied area, and the size is 74 mm x 149 mm.
[0041] The master module adopts two MT41K256M16HA DDR3 memory particles of the micron factory, and the chip capacity is 512 GB / 16 bit. The chip constitutes a 1 GB / 32 bit DDR3 storage array to meet the requirements of the system on the cache. The DDR3 works at a data amount of 1600 MT / s.
[0042] The RS232 communication module realizes a serial port protocol by using an XC7Z045 Duart, realizes level conversion by externally connecting an EXAR company SP3232EBEY-L / TR, and the maximum communication rate of a MAX3223IPW is 250 Kbps. The XC7Z045 provides two-way Uart protocol, and the SP3232EBEY provides two-way RS232 level conversion. The default baud rate is 115200 bps. The RS232 serial port is used for system debugging and is connected to a debugging interface on the back panel of the device.
[0043] The temperature sensing module is realized by using an ADT7461 ARM chip of the ADI company. The chip has two temperature sensors, one remote temperature sensor and one local temperature sensor. The remote temperature sensor monitors the junction temperature of the XC7Z045, and the local temperature sensor monitors the temperature of the PCB. The ARM reads the temperature value of the ADT7461 through an I2C interface, and the temperature information can be uploaded to the upper computer through a network port.
[0044] XC7Z045 has 2-way Gigabit Ethernet EMAC, one of which is connected to the Ethernet switch chip of the interconnection board through the PHY communication module and the SGMII interface; the other is connected to the double-row connector for single-board debugging through the MDI signal of the PHY communication module.
[0045] The chip cache and system NorFlash cache are configured with MT25QL128ABA1EW9 of micron company, the storage capacity of which is 128MB, and each XC7Z045 processor is matched with 1 piece of the Flash which is hung on the ARM Local bus.
[0046] The RS232 communication module realizes serial port protocol by XC7Z045 Uart, and realizes level conversion by externally connecting SP3232EBEY of EXAR company, the maximum communication rate of which is 250Kbps, XC7Z045 provides 2-way Uart protocol, SP3232EBEY provides 2-way RS232 level conversion, and two channels share a piece of MAX3223IPW, the default baud rate of which is 115200bps, meeting the system debugging requirements.
[0047] The interconnection board expands the signals of the main control module through the double-row connector, and provides Ethernet switching, Ethernet physical interface, Ethernet data acquisition module socket, RS422 discrete module socket and power supply interface.
[0048] The power module provides 12V power supply for the system, which is connected to each sub-board through the board.
[0049] The Ethernet switch chip is selected from BCM5396IFB of BROADCOM company, which is a 16-port SGMII interface Ethernet switch, each port of which can work at 1.25Gbps, with a 1000Mbps management interface, supporting 4K MAC address management, EEPROM configuration, VLAN, total power consumption of 2.2W, and FBGA256 packaging.
[0050] The interconnection board is provided with 8 ERF8-040-05.0-L-DV-TR sockets, and the Ethernet data acquisition module is connected with the interconnection board through the ERF8-040-05.0-L-DV-TR socket (cooperating with XMC sub-interface).
[0051] When the device works, the main control module fills data into 16 Ethernet channel caches through Ethernet first, and then triggers a synchronous interrupt, which meets the requirement that the asynchronous degree of reaching 16 target machine CPUs must be less than 20us.
[0052] RS422 discrete signal is only RS422 level standard signal, and in fact, the essence can be regarded as discrete IO signal, the RS422 discrete module converts the GPIO TTL signal on the host module into RS422 level signal, and the RS422 discrete module connects the RS422 discrete signals of each target machine to the corresponding designated pin interface of the host module through the interconnection baseboard.
[0053] The X86 computer module selects the embedded single-board computer of the company Anqin, and the model is ECM-SKLH.
[0054] As shown in Figure 2 The RS422 discrete module is provided with 8-way RS422S input and 32-way RS422 output; the Ethernet data acquisition module is provided with 8; and the X86 computer module is provided with VGA interface and 4-way USB interface.
[0055] The above embodiment only expresses the more preferred implementation, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.
Claims
1. A control station for managing an Ethernet bus of an aircraft management system arranged on the basis of an Ethernet bus and employing a distributed architecture, characterized in that it comprises: The application relates to a modularized data acquisition system, which comprises a main control module, an RS422 discrete module, an interconnection base plate, an X86 computer module, a plurality of Ethernet data acquisition modules and a power module. The main control module and the interconnection base plate are electrically connected through a main control SGMII channel, an interrupt signal link and a main control discrete IO channel respectively; the interrupt signal link is provided with two paths for a single Ethernet data acquisition module; the RS422 discrete module is used for collecting discrete 422 signals and is electrically connected to the interconnection base plate through a discrete IO channel; The Ethernet data acquisition module is used for collecting Ethernet data signals and is electrically connected to the interconnection base plate through a double-path SGMII channel; the X86 computer module is electrically connected to the interconnection base plate through an Ethernet data channel; and the power module is used for connecting 220V AC input and providing DC power supply for the main control module, the RS422 discrete module, the interconnection base plate, the X86 computer module and the plurality of Ethernet data acquisition modules through power supply lines.
2. A control station according to claim 1, characterized in that The interconnection base plate is provided with a first Ethernet switch chip and a second Ethernet switch chip; the first Ethernet switch chip, the second Ethernet switch chip and the main control module are connected through an SPI channel; the first Ethernet switch chip is electrically connected to the main control module through a main control SGMII channel; and the second Ethernet switch chip is electrically connected to the first Ethernet switch chip through a 1-path SGMII channel.
3. A control station according to claim 2, c h a r a c t e r i z e d i n that The Ethernet data acquisition module is further provided with a debugging interface and obtains 5V working DC power supply through the power module; the interconnection base plate communicates the Ethernet data acquisition module with the main control module through two interrupt lines and three GPIO channels and connects the Ethernet data acquisition module to the main control module and a 1-path SGMII channel through two-path SGMII.
4. A control station according to claim 3, characterised in that, The interconnection base plate is further provided with a plurality of RJ45 interfaces and HX5120 interfaces; the X86 computer module is electrically connected to the interconnection base plate through an RJ45 interface; the RJ45 interface is connected to a 1-path SGMII channel through an Ethernet PHY; and the debugging interface is electrically connected to the interconnection base plate through an HX5120 interface.
5. A control station according to claim 3, c h a r a c t e r i z e d i n that The main control module comprises a SOC chip, a PHY communication module, a configuration chip cache, a system NorFlash cache, a DDR memory, a temperature sensing module, a power management module, an RS232 communication module, a double-row connector and an XMC sub-interface; the SOC chip, the RS232 communication module and the PHY communication module are electrically connected to the double-row connector; the SOC chip, the RS232 communication module, the PHY communication module and the power management module are electrically connected to the XMC sub-interface; the main control module is electrically connected to the interconnection base plate through the XMC sub-interface; and the double-row connector is arranged on the interconnection base plate and used as a signal lead extension.
6. A control station according to claim 1, characterized in that The RS422 discrete module is provided with 8-path RS422S input and 32-path RS422 output; the Ethernet data acquisition module is provided with eight; and the X86 computer module is provided with a VGA interface and four USB interfaces.