An outer ring detection and maintenance device for an aerial mission intelligent processing unit

Abstract

The utility model relates to an aviation task intelligent processing unit outer ring detection maintenance equipment belongs to the aircraft test technical field. The system equipment includes aviation task intelligent processing unit measurement and control host computer, signal conditioning adapter and DC power pack. The measurement and control host computer is equipped with main control module, FC monitoring card, 1394 simulation card, discrete quantity control card and USB communication interface, signal conditioning adapter includes electric signal adapter and optical fiber adapter, is respectively used for connecting various electric signal interface and optical fiber interface, and DC power pack provides 270V and 28V DC power supply. The utility model discloses through the integration, portable outer ring test equipment, realized the outer ring quick detection of aviation task intelligent processing unit, fault location and function verification, avoided the equipment deployment complex, line confusion and the problem of complicated classified report procedure in traditional inner field test, significantly improved test efficiency and guarantee flexibility.

Description

Technical Field

[0001] This utility model relates to the field of aircraft testing technology, specifically to an outer ring detection and maintenance device for an intelligent processing unit for aviation missions. Background Technology

[0002] With the rapid development of aviation technology, aircraft are becoming increasingly digitized and intelligent in processing data. As a result, aircraft use intelligent processing units for aviation missions to perform comprehensive signal processing. The operational quality of these intelligent processing units directly affects the stability of aircraft communication and control. Therefore, we need to conduct comprehensive testing and verification of these intelligent processing units to ensure their equipment stability.

[0003] At present, the comprehensive testing and verification of intelligent processing units for aviation missions is mainly carried out in the indoor field. This requires us to enter the aircraft test field to deploy related support equipment, which leads to too much equipment deployment and messy and tangled equipment lines. In addition, some aircraft test fields involve confidential information, and relevant personnel need to make confidentiality reports before entering the field, which makes the whole process cumbersome and lengthy.

[0004] Therefore, we need to provide an outer-loop inspection and maintenance device for intelligent processing units of aviation missions to provide hardware support for the outer loop of intelligent processing units of aviation missions, thereby solving the technical problems of excessive deployment of indoor equipment, messy and tangled equipment lines, and cumbersome and lengthy workflow in current indoor testing. Utility Model Content

[0005] To address the aforementioned technical issues, this utility model provides an outer ring inspection and maintenance device for an intelligent processing unit for aviation missions. This device aims to provide outer ring hardware support for comprehensive testing and verification, thereby enabling the completion of outer ring support for the intelligent processing unit without entering the inner field. This avoids the need for excessive inner field equipment and the cumbersome reporting process for entering the inner field.

[0006] To achieve the above technical objectives, this utility model provides an outer-loop inspection and maintenance device for an intelligent processing unit for aviation missions, comprising: The intelligent processing unit telemetry and control host for aviation missions is used to perform telemetry, control and adjustment on the intelligent processing unit under test for aviation missions. It includes a main control module, an FC monitoring card, a 1394 simulation card, a discrete quantity control card and a USB communication interface. The main control module is electrically connected to the FC monitoring card, the 1394 simulation card and the discrete quantity control card via PCIe, and is electrically connected to the USB communication interface via a USB communication link. A signal conditioning adapter is used to perform detection and adaptation on the intelligent processing unit of aviation mission under test in the outer loop. It includes a fiber optic adapter and an electrical signal adapter. The fiber optic adapter is electrically connected to the FC monitoring card, the 1394 simulation card and the intelligent processing unit of aviation mission, respectively. The electrical signal adapter is electrically connected to the discrete quantity control card, the USB communication interface and the intelligent processing unit of aviation mission, respectively. The DC power supply includes a 270V DC power supply and a 28V DC power supply, which are respectively connected to the electrical signal adapter for power supply.

[0007] As a further solution, the electrical signal adapter includes a B-code clock source, an RS422 interface, a discrete control interface, a CAN bus interface, an RS232 interface, a LAN interface, a 270V input interface, a 28V input interface, an AC220V interface, and a first XS cable interface group; wherein, the first XS cable interface group includes: The XS1 cable interface has one end connected to the 270V input interface via a power supply link equipped with an air switch and a meter, and the other end connected to the aviation mission intelligent processing unit via an XS1 power cable. The 270V input interface is connected to a 270V DC power supply. The XS2 cable interface has one end connected to the 28V input interface via a power supply link equipped with an air switch and a meter, and the other end connected to the aviation mission intelligent processing unit via an XS2 power cable. The 28V input interface is connected to a 28V DC power supply. The XS3 cable interface connects to the B-code clock source, RS422 interface, discrete control interface and CAN bus interface at one end, and to the aviation mission intelligent processing unit via the XS3 system signal cable at the other end. The XS4 cable interface connects to the discrete control interface, CAN bus interface, RS232 interface and LAN interface on one end, and to the aerospace mission intelligent processing unit on the other end via the XS4 debug signal cable.

[0008] As a further solution, one end of the B-code clock source is connected to the USB communication interface via a USB communication link, and the other end is connected to the XS3 cable interface via a synchronization signal link.

[0009] As a further solution, a USB to RS422 serial port box is also provided and electrically connected to the main control module via a USB communication link; wherein, one end of the RS422 interface is connected to the USB to RS422 serial port box via a USB communication link, and the other end is connected to the XS3 cable interface via an RS422 link, and test points are provided on the RS422 link.

[0010] As a further solution, one end of the discrete quantity control interface is connected to the discrete quantity control card via 14 28V discrete links, and the other end is connected to the XS3 cable interface and the XS4 cable interface via 28V discrete links respectively.

[0011] As a further solution, a maintenance data offloading and analysis device is also provided and electrically connected to the main control module via a USB communication link; wherein, one end of the CAN bus interface is connected to the maintenance data offloading and analysis device.

[0012] As a further solution, an Ethernet switch is also provided and connected to the main control module via a LAN link; wherein, one end of the LAN interface is connected to the Ethernet switch via Gigabit Ethernet, and the other end is connected to the XS4 cable interface via Gigabit Ethernet.

[0013] As a further solution, a multi-channel serial port box is also provided, including an integrated signal processing module and a debugging signal panel. The integrated signal processing module and the debugging signal panel are connected by 14 discrete quantity links and 30 RS232 links. The integrated signal processing module and the debugging signal panel are connected to an Ethernet switch via RJ45 interfaces. The integrated signal processing module is connected to an AC220V interface via an adapter. The debugging signal panel is connected to the RS232 interface via an RS232 link, and the other end of the RS232 interface is connected to an XS4 cable interface via an RS232 link.

[0014] As a further solution, the fiber optic adapter includes an FC communication interface, an FC monitoring interface, a 1394 emulation interface, and a second XS cable interface group; wherein, the second XS cable interface group includes: The XS5 cable interface is connected to the FC communication interface at one end via a 16-channel FC communication link, and to the aviation mission intelligent processing unit at the other end via an XS5 fiber optic cable. The FC communication interface is connected to the FC monitoring card via two FC communication links. The XS6 cable interface is connected to the FC communication interface at one end via a 16-channel FC communication link, and to the aviation mission intelligent processing unit at the other end via an XS6 fiber optic cable. The XS7 cable interface is connected to the FC monitoring interface at one end via a 16-channel FC monitoring link, and to the aviation mission intelligent processing unit at the other end via an XS7 fiber optic cable. The FC communication interface is connected to the FC monitoring card via one FC monitoring link; The XS8 cable interface has one end connected to the 1394 simulation interface via 12 1394 simulation links, and the other end connected to the aviation mission intelligent processing unit via the XS8 1394 communication cable. The 1394 emulation interface is connected to the optical port of the 1394 emulation card via a 1394 emulation link.

[0015] As a further solution, the aviation mission intelligent processing unit telemetry and control host is configured using a portable computer, and the FC monitoring card, 1394 simulation card, discrete quantity control card and USB communication interface are installed inside the aviation mission intelligent processing unit telemetry and control host.

[0016] The intelligent processing unit outer ring detection and maintenance equipment for aviation missions provided by this utility model has the following significant advantages compared with the prior art: 1. Achieves efficient and flexible outer-loop testing support: Through an integrated portable telemetry and control host and modular signal conditioning adapters, this equipment constructs a complete and mobile outer-loop testing platform. Without relying on a fixed indoor testing environment, it enables comprehensive functional testing, fault diagnosis, and post-repair verification of the intelligent processing unit for aviation missions on the outer loop, greatly improving the timeliness and flexibility of support response.

[0017] 2. Solves the problem of complex deployment in indoor testing environments: The equipment highly integrates functions such as FC monitoring, 1394 simulation, discrete quantity control, multi-channel serial communication, network switching and power management, and connects to the aviation mission intelligent processing unit through a clearly structured cable interface group (XS1-XS8), completely avoiding the problems of numerous devices, complicated lines and easy connection errors in traditional indoor testing, making the test deployment simple, standardized and reliable.

[0018] 3. Simplified workflow and improved work efficiency: Since testing can be completed in the outer ring area where it is not classified or has a lower control level, the cumbersome approval and reporting process required for relevant personnel to frequently enter the high-class inner area is avoided. This significantly simplifies the work process, shortens the task preparation time, and thus improves the overall efficiency of testing support work.

[0019] 4. Comprehensive signal support and high-precision testing capabilities: The system integrates simulation, monitoring, and testing capabilities for various key airborne signal types, including Fibre Channel (FC), 1394B bus, Ethernet, CAN bus, RS422 / RS232 serial ports, discrete signals, and IRIG-B code synchronization clocks. In particular, the use of dedicated FC monitoring cards, 1394 simulation cards, and high-precision B-code clock sources ensures the accuracy and reliability of complex communication and synchronization function verification during external loop testing.

[0020] 5. Supports rapid fault location and accurate diagnosis: The telemetry and control host controls all hardware resources through dedicated software, enabling automated or semi-automated testing of various functions of the intelligent processing unit of the tested aerospace mission, rapid collection and analysis of response data, thereby accurately locating faults to the board or module level (LRU / SRU), providing direct technical basis for rapid repair or replacement of the outer ring.

[0021] 6. Compact design, portable and practical: The core measurement and control host adopts the architecture of a portable computer integrated with a dedicated board. The entire system is designed for use in outer ring environments, taking into account both functional completeness and equipment portability. It is very suitable for mobile deployment and rapid operation in outer ring environments such as hangars and helipads.

[0022] In summary, this utility model effectively overcomes the limitations of existing indoor support models and provides an outer-loop testing solution for intelligent processing units of aviation missions that is quick to deploy, fully functional, and accurate in diagnosis, with high military benefits and practical value. Attached Figure Description

[0023] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or related technologies, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without creative effort.

[0025] Figure 1 A schematic diagram of the outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions provided by this utility model; Figure 2 A schematic diagram of the electrical signal adapter provided by this utility model; Figure 3 A schematic diagram of the fiber optic adapter structure provided by this utility model; Figure 4 A schematic diagram of the back panel of the fiber optic adapter box provided by this utility model; The purpose, features, and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] Please see Figure 1 This embodiment provides an outer ring detection and maintenance device for an intelligent processing unit for aviation missions, comprising: The intelligent processing unit telemetry and control host for aviation missions is used to perform telemetry, control and adjustment on the intelligent processing unit under test for aviation missions. It includes a main control module, an FC monitoring card, a 1394 simulation card, a discrete quantity control card and a USB communication interface. The main control module is electrically connected to the FC monitoring card, the 1394 simulation card and the discrete quantity control card via PCIe, and is electrically connected to the USB communication interface via a USB communication link. A signal conditioning adapter is used to perform detection and adaptation on the intelligent processing unit of aviation mission under test in the outer loop. It includes a fiber optic adapter and an electrical signal adapter. The fiber optic adapter is electrically connected to the FC monitoring card, the 1394 simulation card and the intelligent processing unit of aviation mission, respectively. The electrical signal adapter is electrically connected to the discrete quantity control card, the USB communication interface and the intelligent processing unit of aviation mission, respectively. The DC power supply includes a 270V DC power supply and a 28V DC power supply, which are respectively connected to the electrical signal adapter for power supply.

[0028] It should be noted that the outer-loop support equipment for intelligent processing units in aviation missions is a core sub-equipment specifically designed for intelligent processing units in the outer-loop testing and support system for avionics products. This equipment focuses on providing efficient and precise technical support capabilities for intelligent computing units in an outer-loop environment. Its core function is to support rapid fault detection, isolation, and location of intelligent processing units in aviation missions. It can accurately locate anomalies in hardware modules and complex software task flows down to the replaceable unit (LRU / SRU) level, and supports on-site board-level repair or functional verification after module replacement, greatly reducing mission downtime.

[0029] The intelligent processing unit (ITU) for aviation missions connects to a signal conditioning adapter via signal cables, controlling each module to perform tests on discrete quantities and various buses within the ITU. This enables functional testing and fault location for various finished modules. The testing equipment provides the device under test with functions such as signal conversion, signal conditioning, data processing, and data analysis.

[0030] Specifically, such as Figure 2As shown, the electrical signal adapter includes a B-code clock source, an RS422 interface, a discrete control interface, a CAN bus interface, an RS232 interface, a LAN interface, a 270V input interface, a 28V input interface, an AC220V interface, and a first XS cable interface group; wherein, the first XS cable interface group includes: The XS1 cable interface has one end connected to the 270V input interface via a power supply link equipped with an air switch and a meter, and the other end connected to the aviation mission intelligent processing unit via an XS1 power cable. The 270V input interface is connected to a 270V DC power supply. The XS2 cable interface has one end connected to the 28V input interface via a power supply link equipped with an air switch and a meter, and the other end connected to the aviation mission intelligent processing unit via an XS2 power cable. The 28V input interface is connected to a 28V DC power supply. The XS3 cable interface connects to the B-code clock source, RS422 interface, discrete control interface and CAN bus interface at one end, and to the aviation mission intelligent processing unit via the XS3 system signal cable at the other end. The XS4 cable interface connects to the discrete control interface, CAN bus interface, RS232 interface and LAN interface on one end, and to the aerospace mission intelligent processing unit on the other end via the XS4 debug signal cable.

[0031] It should be noted that: the electrical signal adapter supports power-on and power-off control of 270V and 28V power supplies, and voltage and current display; it provides 14 discrete input signals for the device under test (DUT), with signal characteristics of 28V ground / on; it provides test points for 6 discrete output interfaces; it provides 3 RS422 communication interfaces and test points, with DB9 interfaces; and it provides 1 Ethernet interface, which connects the DUT's Ethernet interface to an external Ethernet switch.

[0032] Furthermore, one end of the B-code clock source is connected to the USB communication interface via a USB communication link, and the other end is connected to the XS3 cable interface via a synchronization signal link.

[0033] One SYN1501 B-code clock source is provided. This B-code clock source is a high-precision AC / DC IRIG-B code generation board. It receives external reference time signals such as GNSS satellite, 1PPS, TOD, and manual serial port time settings, and generates high-precision AC / DC IRIG-B (DC / AC) code signals, 1PPS (second signal) synchronization pulse signals, and serial port time information, among other clock signals. This IRIG-B code generation board is compatible with multiple B-code standards such as IEEE1344 / STD200 / DL / T 1100.1-2018, and can also select the Chinese military standard GJB 2991A-2008. It supports setting any IRIG-B code initial time via serial port, facilitating comprehensive testing of devices with IRIG-B code time synchronization functionality.

[0034] Furthermore, a USB to RS422 serial port box is provided and electrically connected to the main control module via a USB communication link; wherein, one end of the RS422 interface is connected to the USB to RS422 serial port box via a USB communication link, and the other end is connected to the XS3 cable interface via an RS422 link, and test points are provided on the RS422 link.

[0035] Furthermore, one end of the discrete quantity control interface is connected to the discrete quantity control card via 14 28V discrete links, and the other end is connected to the XS3 cable interface and the XS4 cable interface via 28V discrete links respectively.

[0036] Furthermore, a maintenance data offloading and analysis device is also provided and electrically connected to the main control module via a USB communication link; wherein, one end of the CAN bus interface is connected to the maintenance data offloading and analysis device.

[0037] Specifically, the maintenance data offloading analysis equipment provides one CAN emulation box, which uses the domestic ECAN-U01 USB to CAN module. This module supports two CAN bus interfaces and can be connected to an industrial control computer via USB. The communication rate is 500kbps / 1Mbps and is configurable.

[0038] Furthermore, an Ethernet switch is also provided and connected to the main control module via a LAN link; wherein, one end of the LAN interface is connected to the Ethernet switch via Gigabit Ethernet, and the other end is connected to the XS4 cable interface via Gigabit Ethernet.

[0039] Specifically, the Ethernet switch is used to test the Ethernet communication between the host and the product under test. The TL-SG1024T gigabit switch is used, which supports 24 10 / 100 / 1000MBase-T auto-sensing RJ45 ports.

[0040] Furthermore, a multi-channel serial port box is provided, including an integrated signal processing module and a debugging signal panel; wherein, the integrated signal processing module and the debugging signal panel are provided with 14 discrete quantity links and 30 RS232 links. The integrated signal processing module and the debugging signal panel are respectively connected to an Ethernet switch through an RJ45 interface. The integrated signal processing module is connected to an AC220V interface through an adapter. The debugging signal panel is connected to the RS232 interface through an RS232 link. The other end of the RS232 interface is connected to an XS4 cable interface through an RS232 link.

[0041] It should be noted that the multi-channel serial port box has a built-in integrated signal processing module (model XDS560), which supports 48 channels of RS232 communication and 20 channels of discrete signal output, and communicates with the industrial control computer via Ethernet. The multi-channel serial port box uses an aluminum alloy shell and has two external interfaces: one for communication forwarding between the RS232 serial port and the industrial control computer, and the other for Ethernet conversion for debugging on the task machine / smart machine.

[0042] like Figure 3 As shown, the fiber optic adapter includes an FC communication interface, an FC monitoring interface, a 1394 emulation interface, and a second XS cable interface group; wherein, the second XS cable interface group includes: The XS5 cable interface is connected to the FC communication interface at one end via a 16-channel FC communication link, and to the aviation mission intelligent processing unit at the other end via an XS5 fiber optic cable. The FC communication interface is connected to the FC monitoring card via two FC communication links. The XS6 cable interface is connected to the FC communication interface at one end via a 16-channel FC communication link, and to the aviation mission intelligent processing unit at the other end via an XS6 fiber optic cable. The XS7 cable interface is connected to the FC monitoring interface at one end via a 16-channel FC monitoring link, and to the aviation mission intelligent processing unit at the other end via an XS7 fiber optic cable. The FC communication interface is connected to the FC monitoring card via one FC monitoring link; The XS8 cable interface has one end connected to the 1394 simulation interface via 12 1394 simulation links, and the other end connected to the aviation mission intelligent processing unit via the XS8 1394 communication cable. The 1394 emulation interface is connected to the optical port of the 1394 emulation card via a 1394 emulation link.

[0043] Furthermore, the aviation mission intelligent processing unit telemetry and control host is configured using a portable computer, and the FC monitoring card, 1394 simulation card, discrete quantity control card and USB communication interface are installed inside the aviation mission intelligent processing unit telemetry and control host.

[0044] It should be noted that: Fiber optic signal adapter 1 supports 32 fiber optic interfaces. The fiber optic interface of the device under test is introduced into the fiber optic adapter box (e.g., via a fiber optic cable) Figure 4 (As shown); the fiber optic adapter box provides a fiber optic flange interface, supporting communication with FC communication / monitoring cards via LC to LC patch cords.

[0045] The FC monitoring card uses FC-PCIE and can be installed inside the telemetry and control host of the intelligent processing unit for aviation missions. This simulation card is a hardware device used to simulate and test Fibre Channel network communication. It can implement standard FC protocol processing functions, complete communication functions with airborne node cards, and provide a simulation test environment. Through hardware acceleration and protocol simulation technology, it can accurately reproduce the physical layer, data link layer, and upper-layer protocol behavior of FC networks, supports various topologies and rates, and provides functions such as traffic injection, error injection, and latency simulation to verify the compatibility, performance, and fault tolerance of network devices.

[0046] The 1394 emulation card uses hardware tools to simulate IEEE 1394 interface devices. The board has a standard PCIe full-height half-width size, two 1394 nodes, and the model number is 1394-PCIe-N2-OE. The external signal transmission connector can use a Lemo 9-pin connector to meet the 1394B communication protocol. It can be installed inside the telemetry and control host of the intelligent processing unit for aviation missions, and can realize the sending and receiving of 1394B network data. It is used for equipment development, protocol testing and system compatibility verification. Its core functions include bus communication simulation, data packet generation and analysis, and real-time error injection, which meet the user's development, debugging and testing scenarios.

[0047] One discrete quantity control card is installed inside the telemetry and control host of the intelligent processing unit for aviation missions. It is a domestically produced CHR(U)44X06 model with a PCI interface, consisting of 96 isolated discrete quantity outputs, level buffer circuitry, FPGA control module circuitry, and power supply module circuitry. It supports discrete quantity output and discrete quantity input functions.

[0048] The above are only some embodiments of this application and do not limit the patent scope of this application. All equivalent structural transformations made under the technical concept of this application and using the content of this application specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of this application.

Claims

1. An outer ring detection and maintenance device for an intelligent processing unit for aviation missions, characterized in that, include: The intelligent processing unit telemetry and control host for aviation missions is used to perform telemetry, control and adjustment on the intelligent processing unit under test for aviation missions. It includes a main control module, an FC monitoring card, a 1394 simulation card, a discrete quantity control card and a USB communication interface. The main control module is electrically connected to the FC monitoring card, the 1394 simulation card and the discrete quantity control card via PCIe, and is electrically connected to the USB communication interface via a USB communication link. A signal conditioning adapter is used to perform detection and adaptation on the intelligent processing unit of aviation mission under test in the outer loop. It includes a fiber optic adapter and an electrical signal adapter. The fiber optic adapter is electrically connected to the FC monitoring card, the 1394 simulation card and the intelligent processing unit of aviation mission, respectively. The electrical signal adapter is electrically connected to the discrete quantity control card, the USB communication interface and the intelligent processing unit of aviation mission, respectively. The DC power supply includes a 270V DC power supply and a 28V DC power supply, which are respectively connected to the electrical signal adapter for power supply.

2. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 1, characterized in that, The electrical signal adapter includes a B-code clock source, an RS422 interface, a discrete control interface, a CAN bus interface, an RS232 interface, a LAN interface, a 270V input interface, a 28V input interface, an AC220V interface, and a first XS cable interface group; wherein, the first XS cable interface group includes: The XS1 cable interface has one end connected to the 270V input interface via a power supply link equipped with an air switch and a meter, and the other end connected to the aviation mission intelligent processing unit via an XS1 power cable. The 270V input interface is connected to a 270V DC power supply. The XS2 cable interface has one end connected to the 28V input interface via a power supply link equipped with an air switch and a meter, and the other end connected to the aviation mission intelligent processing unit via an XS2 power cable. The 28V input interface is connected to a 28V DC power supply. The XS3 cable interface connects to the B-code clock source, RS422 interface, discrete control interface and CAN bus interface at one end, and to the aviation mission intelligent processing unit via the XS3 system signal cable at the other end. The XS4 cable interface connects to the discrete control interface, CAN bus interface, RS232 interface and LAN interface on one end, and to the aerospace mission intelligent processing unit on the other end via the XS4 debug signal cable.

3. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 2, characterized in that, One end of the B-code clock source is connected to the USB communication interface via a USB communication link, and the other end is connected to the XS3 cable interface via a synchronization signal link.

4. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 2, characterized in that, It also includes a USB to RS422 serial port box and is electrically connected to the main control module via a USB communication link; wherein, one end of the RS422 interface is connected to the USB to RS422 serial port box via a USB communication link, and the other end is connected to the XS3 cable interface via an RS422 link, and test points are provided on the RS422 link.

5. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 2, characterized in that, One end of the discrete quantity control interface is connected to the discrete quantity control card via 14 28V discrete links, and the other end is connected to the XS3 cable interface and the XS4 cable interface via 28V discrete links respectively.

6. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 2, characterized in that, It is also equipped with a maintenance data offloading and analysis device and is electrically connected to the main control module via a USB communication link; wherein, one end of the CAN bus interface is connected to the maintenance data offloading and analysis device.

7. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 2, characterized in that, An Ethernet switch is also provided and connected to the main control module via a LAN link; wherein, one end of the LAN interface is connected to the Ethernet switch via Gigabit Ethernet, and the other end is connected to the XS4 cable interface via Gigabit Ethernet.

8. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 7, characterized in that, It also includes a multi-channel serial port box, comprising a comprehensive signal processing module and a debugging signal panel; wherein, the comprehensive signal processing module and the debugging signal panel are connected by 14 discrete quantity links and 30 RS232 links. The comprehensive signal processing module and the debugging signal panel are respectively connected to an Ethernet switch via an RJ45 interface. The comprehensive signal processing module is connected to an AC220V interface via an adapter. The debugging signal panel is connected to the RS232 interface via an RS232 link. The other end of the RS232 interface is connected to an XS4 cable interface via an RS232 link.

9. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 1, characterized in that, The fiber optic adapter includes an FC communication interface, an FC monitoring interface, a 1394 emulation interface, and a second XS cable interface group; wherein, the second XS cable interface group includes: The XS5 cable interface is connected to the FC communication interface at one end via a 16-channel FC communication link, and to the aviation mission intelligent processing unit at the other end via an XS5 fiber optic cable. The FC communication interface is connected to the FC monitoring card via two FC communication links. The XS6 cable interface is connected to the FC communication interface at one end via a 16-channel FC communication link, and to the aviation mission intelligent processing unit at the other end via an XS6 fiber optic cable. The XS7 cable interface is connected to the FC monitoring interface at one end via a 16-channel FC monitoring link, and to the aviation mission intelligent processing unit at the other end via an XS7 fiber optic cable. The FC communication interface is connected to the FC monitoring card via one FC monitoring link; The XS8 cable interface has one end connected to the 1394 simulation interface via 12 1394 simulation links, and the other end connected to the aviation mission intelligent processing unit via the XS8 1394 communication cable. The 1394 emulation interface is connected to the optical port of the 1394 emulation card via a 1394 emulation link.

10. The outer ring detection and maintenance equipment for an intelligent processing unit for aviation missions according to claim 1, characterized in that, The intelligent processing unit for aviation missions uses a portable computer for setup, and the FC monitoring card, 1394 simulation card, discrete quantity control card, and USB communication interface are installed inside the intelligent processing unit for aviation missions.

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