Distributed test module for avionics system
By designing a compact distributed test module, using aluminum alloy material and a dustproof mesh structure, and combining light guide pillars and interface design, the problems of large size, poor heat dissipation, and insufficient dust protection of avionics system test tools have been solved, achieving the effect of portable testing and efficient heat dissipation.
Patent Information
- Application Number
- CN202422980748.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing avionics system testing tools are large and heavy, which cannot meet the needs of portable field testing, and their heat dissipation and dust protection performance is insufficient.
A distributed test module consisting of an upper shell, a lower shell, a carrier board, a daughter board, and a front panel was designed. It is made of aluminum alloy, with elongated holes and a dustproof mesh. Combined with a light guide column, it displays the operating status and provides gigabit Ethernet and USB interfaces. It is easy to stand upright or be clipped into a standard card rail. It has a built-in domestic FPGA and embedded processor.
It features a compact structure, easy expansion, good heat dissipation and dustproof capabilities, making it suitable for portable outdoor testing. It also boasts strong environmental adaptability and a dustproof rating of Level 5.
Smart Images
Figure CN223526455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of distributed test modules, in particular to a kind of distributed test modules for avionics system. BACKGROUND
[0002] Avionics system test tool conventional form is cabinet type, including power supply, various buses, non-bus interface and video etc.
[0003] In order to meet the needs of portable testing in the field, it is necessary to ensure that the volume is small and light, and this puts higher requirements on heat dissipation and ventilation. In addition, avionics system test tool has high requirements for dust prevention, so the distributed test module for avionics system has always been the focus of research in the field and is continuously improved. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is to provide a distributed test module for avionics system, which not only has good scalability, but also has compact structure and is easy to dissipate heat, and can be conveniently erected on a table top or clamped in a standard rail.
[0005] The technical solution adopted by the utility model to solve the above technical problem is to provide a distributed test module for avionics system, which comprises an upper shell, a lower shell, a carrier plate, a daughter board and a front panel. The carrier plate and the daughter board are connected by a 100-core interconnector. An FPGA and an embedded processor are installed on the daughter board. Long waist holes are symmetrically arranged on both sides of the lower shell. The front panel is located on the front side of the lower shell. A clamping groove slider is arranged on the rear side of the lower shell. A light guide column is arranged on the front panel. The light-emitting indicator light on the carrier plate transmits and displays the running state through the light guide column. Four supporting columns are arranged on the left and right sides of the lower shell.
[0006] Further, a dust screen is arranged on the inner side of the lower shell, covering the area where the long waist holes are located.
[0007] Further, the light guide column is fixed on the front panel by 706 glue.
[0008] Further, a gigabit Ethernet interface and a USB interface are arranged on the carrier plate, and the gigabit Ethernet interface, the USB interface and the supporting columns are located on the same side of the lower shell.
[0009] Further, the height of the lower shell is 32 mm, the width is 133.4 mm, and the length is 172 mm. The materials of the upper shell, the lower shell and the front panel are aluminum alloy.
[0010] Compared with the prior art, this utility model has the following advantages: The distributed test module for avionics systems provided by this utility model not only has good scalability, but also has a compact structure, is easy to dissipate heat, and can be easily erected on a table or clipped into a standard rail. Symmetrical elongated holes are opened on both sides of the shell to ensure air convection, and dustproof nets are added to both sides to ensure that dust does not enter, achieving a dustproof level of up to level 5. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the distributed test module structure for avionics systems according to this utility model;
[0012] Figure 2 This is a schematic diagram of the exploded structure of the distributed test module for avionics systems according to this utility model;
[0013] Figure 3 This is a schematic diagram of the distributed test module and track assembly for avionics systems according to this utility model.
[0014] The diagram is marked as follows:
[0015] 1. Upper shell 2. Lower shell 3. Carrier plate
[0016] 4 Sub-board 5 Front panel 6 Light guide column
[0017] 7. Slot slider; 8. Support column; 9. Long slot hole
[0018] 10 Tracks Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0020] Figure 1 This is a schematic diagram of the distributed test module structure for avionics systems according to this utility model; Figure 2 This is a schematic diagram of the exploded structure of the distributed test module for avionics systems according to this utility model.
[0021] Please see Figure 1 and Figure 2 The distributed test module for avionics systems provided by this utility model includes an upper shell 1, a lower shell 2, a carrier plate 3, a sub-plate 4, and a front panel 5. The carrier plate 3 and the sub-plate 4 are connected by a 100-core board connector. An FPGA and an embedded processor are installed on the sub-plate 4. The lower shell 2 has symmetrically arranged elongated holes 9 on both sides. The front panel 5 is located on the front side of the lower shell 2. A slot slider 7 is arranged on the rear side of the lower shell 2. A light guide column 6 is arranged on the front panel 5. The light-emitting indicator light on the carrier plate 3 transmits and displays the operating status through the light guide column 6. Four support columns 8 are arranged on the left and right sides of the lower shell 2.
[0022] The distributed test module for the avionics system has the size of 172mm (length) X 133.4mm (width) X 32mm (height), and can be vertically arranged on a table top or clamped in a standard card rail 10. Figure 3 The light guide column 6 is fixed on the front panel 5 by 706 glue, and the LED lamp on the carrier plate 3 is a light-emitting indicator lamp, which transmits and displays the running state through the light guide column 6.
[0023] The distributed test module for the avionics system is constructed based on a domestic high-performance embedded processor, and is portable, small, networked, and has a test excitation, collection and processing module; the domestic FPGA+high-performance embedded processor can be built-in, without a backboard and a controller, and the test program can be independently run, and the distributed test module has high real-time performance, high integration and strong environmental adaptability; the board-level storage capacity is not less than 16GB, and data and waveform collection, recording and analysis tools are provided.
[0024] The distributed test module has a gigabit Ethernet interface and a USB interface on the carrier plate 3, and the support column 8 is located on the same side of the lower shell 2; after the network cable or the USB cable is connected, the distributed test module can be used, and rapid detection is realized.
[0025] The distributed test module shell body is made of aluminum alloy, heat conduction of internal boards through the shell body is facilitated, and normal work is not affected due to internal heat accumulation; symmetrical long waist holes 9 are formed on both sides of the shell body, air convection is ensured, dust-proof nets are added on both sides to prevent dust from entering, and the dust-proof level reaches level 5; the outer surface of the shell body is designed in a curved line, the product is beautiful, and the surface is sprayed with suitable environment powder, and the product is beautiful and atmospheric.
[0026] The distributed test module shell body is designed with four support columns, and can be independently arranged on a desktop for work; the shell body is provided with a clamping groove sliding block, and can be clamped on the standard card rail 10 and fixed in a case.
[0027] Although the utility model has disclosed the above-mentioned preferable embodiments, the utility model is not limited to the above-mentioned embodiments, and any person skilled in the art can make some modifications and improvements without departing from the spirit and scope of the utility model, and therefore the protection scope of the utility model is defined by the claims.
Claims
1. A distributed test module for avionics systems, characterized by, Including the upper shell (1), the lower shell (2), the carrier plate (3), the daughter board (4) and the front panel (5), the carrier plate (3) is connected with the daughter board (4) through 100 core board interconnector, the daughter board (4) is installed with FPGA and embedded processor;The long waist hole (9) is symmetrically arranged on the both sides of the lower shell (2), the front panel (5) is located on the front side of the lower shell (2), the rear side of the lower shell (2) is provided with a clamping groove sliding block (7), the front panel (5) is provided with a light guide column (6), the light emitting indicator lamp on the carrier plate (3) is transmitted through the light guide column (6) to display the running state, the left and right sides of the lower shell (2) are provided with four support columns (8).
2. The distributed test module for avionics systems of claim 1, wherein, The inner side of the lower shell (2) is provided with a dust screen, and the dust screen covers the area where the long waist hole (9) is located.
3. The distributed test module for avionics systems of claim 1, wherein, The light guide column (6) is fixed on the front panel (5) by 706 glue.
4. The distributed test module for avionics systems of claim 1, wherein, The carrier plate (3) is provided with a gigabit Ethernet interface and a USB interface, and the gigabit Ethernet interface, the USB interface and the support column (8) are located on the same side of the lower shell (2).
5. The distributed test module for avionics systems of claim 1, wherein, The height of the lower shell (2) is 32mm, the width is 133.4mm, and the length is 172mm, the material of the upper shell (1), the lower shell (2) and the front panel (5) is aluminum alloy.