Aerial signal processing device convenient to detect
By setting shielding structures both inside and outside the aviation signal processor, the problem of electromagnetic interference in aviation equipment was solved, thereby improving the stability and anti-interference capability of the signal processor.
Patent Information
- Application Number
- CN202423197227.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Aviation signal processors are subject to strong electromagnetic interference in aviation equipment, which can lead to processing errors and affect normal operation.
The signal processor is electromagnetically shielded using an outer shielding structure and an inner shielding structure. The outer shielding structure consists of first and second shielding shells, while the inner shielding structure consists of iron-nickel alloy steel wire mesh. These are combined with a silicone coating and conductive rubber gaskets for sealing, enhancing anti-interference capabilities.
It effectively reduces external electromagnetic interference, improves the stability and integrity of the signal processor, adapts to extreme temperature changes, and enhances the equipment's anti-interference capability.
Smart Images

Figure CN223714327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to signal processing technical field, concretely is an aviation signal processing device convenient to detect. BACKGROUND
[0002] The aviation signal processor is a kind of high-performance signal processing equipment specially designed for aircraft (such as airplane, unmanned aerial vehicle etc.), mainly used to process and analyze various signals in aviation system, to ensure the safe, stable operation of aircraft, and the aviation signal processor is generally responsible for real-time processing, filtering, analysis, decoding and transmission of signals from sensors, navigation systems, communication systems, radar systems and other devices.
[0003] Such as the signal processor with publication No. CN218413268U, including processor body, the processor body is used to be installed with the sensor of rolling mill production line and pt temperature sensing element signal connection, the integrated control chip includes receiving component, receiving component is used to receive the signal of sensor and with processing component signal connection, processing component is used to judge whether the signal generated by receiving component and pt temperature sensing element is in predetermined range and generates corresponding numerical signal, read-write component is used to read numerical signal, alarm component is used to continuously output alarm signal when numerical signal exceeds predetermined range.The utility model can detect the signal of each sensor of production line, intelligent analysis, analyze fault, find problem and alarm in time;In addition, the state of each working position of production line is effectively detected, and repetitive detection is implemented on fault signal until fault is eliminated, thereby facilitating quickly knowing that fault has been eliminated.
[0004] The above patent proposes that fault signal can be detected, and timely alarm can be given, but signal processor is susceptible to interference in use process due to the existence of strong electromagnetic field in aviation equipment, leading to processing error, which affects the normal use of signal processor.
[0005] Therefore, we propose an aviation signal processing device convenient to detect to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing an aviation signal processing device convenient to detect to solve the problem that signal processor is susceptible to interference due to the existence of strong electromagnetic field in aviation equipment, leading to processing error, which affects the normal use of signal processor.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: an aviation signal processing device convenient to detect, signal processor structure for detecting aviation signal is provided with outer shielding structure on the outside of signal processor structure, the inside of signal processor structure is provided with inner shielding structure, the setting of outer shielding structure and inner shielding structure carries out electromagnetic shielding protection to signal processor structure together, avoids the interference of external electromagnetic wave to signal processor structure;
[0008] The outer shielding structure includes a first shielding shell and a second shielding shell arranged outside the signal processor structure, the cross sections of the first shielding shell and the second shielding shell are both in the shape of a side U, an L-shaped mounting frame is mounted at the upper end of the first shielding shell, a plug-in block B is arranged on one side of the second shielding shell, the plug-in block B is matched with the mounting frame, and the first shielding shell and the second shielding shell are fixed on the outside of the signal processor structure by means of screws, a plurality of reinforcing rods are uniformly arranged on the outside of the first shielding shell and the second shielding shell, and the reinforcing rods are used for increasing the strength of the first shielding shell and the second shielding shell.
[0009] Preferably, a groove is formed in one side of the first shielding shell, and a silicone coating is coated on the inner and outer walls of the first shielding shell and the second shielding shell, the silicone coating has heat resistance and low-temperature performance, and can adapt to different temperatures.
[0010] Preferably, a plug-in block A is arranged on one side of the second shielding shell, the plug-in block A is matched with the groove, and the plug-in block A can be inserted into the groove.
[0011] Preferably, the signal processor structure includes a processor shell and a back cover plate arranged on the back side of the processor shell, a conductive rubber gasket is arranged at the inner side edge of the back cover plate, a bolt is arranged on the outside of the back cover plate, the back cover plate is arranged on the back side of the processor shell and is fixed by means of the bolt, and the processor shell and the back cover plate are both made of a steel material.
[0012] Preferably, the inner shielding structure includes a ferro-nickel alloy steel wire mesh and a positioning block arranged on the outer wall of the ferro-nickel alloy steel wire mesh, a protective layer is arranged on one side of the positioning block, and the ferro-nickel alloy steel wire mesh has the function of shielding electromagnetic waves.
[0013] Preferably, positioning grooves are formed in the inner top wall of the processor shell, the positioning grooves are matched with the positioning block, a resisting block is arranged on the inner side of the back cover plate, after the ferro-nickel alloy steel wire mesh is slid into the processor shell through the positioning grooves and the positioning block, the back cover plate is arranged on the back side of the processor shell, so that the resisting block is in contact with the positioning block, and the position of the positioning block can be limited.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1. The signal processor structure and the outer shielding structure are arranged, the outer shielding structure is installed outside the signal processor structure, electromagnetic shielding of the signal processor structure is realized, different stability is adapted by the arranged silicone coating, the strength of the first shielding shell and the second shielding shell is increased by the reinforcing rod, and deformation is effectively reduced.
[0016] 2. The inner shielding structure is arranged, electromagnetic shielding of the signal processor structure is realized, electromagnetic interference resistance is improved, the influence of the outside is effectively reduced by the inner and outer shielding of the signal processor structure, and the overall stability of the signal processor structure is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;
[0018] Figure 2 It is a three-dimensional structure schematic view of the outer shielding structure of the utility model;
[0019] Figure 3 It is a three-dimensional structure schematic view of the first shielding shell of the utility model;
[0020] Figure 4 It is a three-dimensional structure schematic view of the inner shielding structure of the utility model.
[0021] In the drawing: 1, signal processor structure;11, processor shell;12, back cover plate;13, conductive rubber gasket;14, stopper;15, bolt;16, positioning groove;2, outer shielding structure;21, first shielding shell;211, recess;212, silicone coating;22, second shielding shell;221, plug A;23, plug B;24, setting frame;25, reinforcing rod;3, inner shielding structure;31, iron-nickel alloy steel wire mesh;32, positioning block;33, protective layer. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] Embodiment one: please refer to Figures 1-3The utility model provides an aviation signal processing device convenient for detection, which comprises a signal processor structure 1 for detecting an aviation signal, an outer shielding structure 2 arranged on the outer side of the signal processor structure 1, and an inner shielding structure 3 arranged in the signal processor structure 1, wherein the outer shielding structure 2 and the inner shielding structure 3 are arranged to jointly electromagnetically shield and protect the signal processor structure 1, thereby realizing inner and outer shielding of the signal processor structure 1, avoiding interference of external electromagnetic waves on the signal processor structure 1, and achieving good overall electromagnetic interference resistance.
[0024] The outer shielding structure 2 comprises a first shielding shell 21 and a second shielding shell 22 arranged on the outer side of the signal processor structure 1, wherein the first shielding shell 21 and the second shielding shell 22 are both in a side U shape, the upper end of the first shielding shell 21 is provided with an L-shaped mounting frame 24, one side of the second shielding shell 22 is provided with an insertion block B 23, the insertion block B 23 and the mounting frame 24 are matched, and the first shielding shell 21 and the second shielding shell 22 are fixed on the outer side of the signal processor structure 1 by means of screws, a plurality of reinforcing rods 25 are uniformly arranged on the outer sides of the first shielding shell 21 and the second shielding shell 22, and the reinforcing rods 25 are used to increase the strength of the first shielding shell 21 and the second shielding shell 22, thereby effectively reducing deformation and ensuring the use integrity of the first shielding shell 21 and the second shielding shell 22.
[0025] One side of the first shielding shell 21 is provided with a groove 211, and silicone coatings 212 are coated on the inner and outer walls of the first shielding shell 21 and the second shielding shell 22, wherein the silicone coatings 212 have heat resistance, low-temperature performance, can adapt to different temperatures, and can adapt to extreme weather of aviation.
[0026] One side of the second shielding shell 22 is provided with an insertion block A 221, the insertion block A 221 and the groove 211 are matched, and the insertion block A 221 can be inserted into the groove 211.
[0027] The signal processor structure 1 comprises a processor shell 11 and a back cover plate 12 arranged on the back side of the processor shell 11, the inner side edge of the back cover plate 12 is provided with a conductive rubber gasket 13, and the outer side of the back cover plate 12 is provided with a bolt 15, so that the back cover plate 12 is arranged on the back side of the processor shell 11 and is fixed by means of the bolt 15, the gap between the processor shell 11 and the back cover plate 12 can be sealed by means of the conductive rubber gasket 13, and the processor shell 11 and the back cover plate 12 are both made of a steel material, so that the metal can block external electromagnetic waves.
[0028] In the embodiment, the back cover plate 12 is placed on the back side of the processor shell 11 and fixed by the bolt 15, the gap between the processor shell 11 and the back cover plate 12 can be sealed by the conductive rubber gasket 13, a closed shielding environment can be formed, the processor shell 11 and the back cover plate 12 are made of a steel material and have a certain electromagnetic shielding capability, then the first shielding shell 21 and the second shielding shell 22 are placed on the outside of the processor shell 11, the plug block A 221 and the plug block B 23 are respectively inserted into the groove 211 and the installation frame 24, and fixed by the screw, so that the first shielding shell 21 and the second shielding shell 22 can wrap the processor shell 11, thereby the signal processor structure 1 can be additionally protected by electromagnetic shielding, and the strength of the first shielding shell 21 and the second shielding shell 22 can be increased by the reinforcing rod 25, the deformation can be effectively reduced, the use integrity of the first shielding shell 21 and the second shielding shell 22 can be ensured, the silicone coating 212 has heat resistance, low temperature performance, can adapt to different temperatures, can adapt to extreme weather of aviation, so that the signal processor structure 1 can be normally used, and the aviation signal can be detected.
[0029] Embodiment two: the embodiment is improved on the basis of embodiment one, and specifically, please refer to Figure 3 and Figure 4 , the inner shielding structure 3 includes the iron-nickel alloy steel wire mesh 31 and the positioning block 32 arranged on the outer wall of the iron-nickel alloy steel wire mesh 31, one side of the positioning block 32 is provided with a protective layer 33, and the iron-nickel alloy steel wire mesh 31 plays a role in shielding electromagnetic.
[0030] The inner top wall of the processor shell 11 is provided with the positioning groove 16 matched with the positioning block 32, and the inner side of the back cover plate 12 is provided with the abutting block 14, when the iron-nickel alloy steel wire mesh 31 is slid into the processor shell 11 through the positioning groove 16 and the positioning block 32, the back cover plate 12 is abutted on the back side of the processor shell 11, so that the abutting block 14 is in contact with the positioning block 32, and the position of the positioning block 32 can be limited.
[0031] In the embodiment, the iron-nickel alloy steel wire mesh 31 is slid into the positioning groove 16 through the positioning block 32, so that the iron-nickel alloy steel wire mesh 31 is placed in the interior of the processor shell 11, then the back cover plate 12 is abutted on the back side of the processor shell 11, so that the abutting block 14 is in contact with the positioning block 32, and the position of the positioning block 32 can be limited, and then the fixing is completed by the bolt 15, so that the iron-nickel alloy steel wire mesh 31 can be fixed in the interior of the processor shell 11, thereby the function of shielding the interior of the signal processor structure 1 is realized, and the overall stability is improved.
[0032] Working principle: the iron nickel alloy steel wire mesh 31 is slid to the positioning groove 16 through the positioning block 32, so that the iron nickel alloy steel wire mesh 31 is placed in the inside of the processor shell 11, then the back cover plate 12 is abutted against the back side of the processor shell 11, so that the abutting block 14 is in contact with the positioning block 32, the position of the positioning block 32 can be limited, then the fixing is completed through the bolt 15, the iron nickel alloy steel wire mesh 31 can be fixed in the inside of the processor shell 11, the gap between the processor shell 11 and the back cover plate 12 can be sealed by the conductive rubber gasket 13, a closed shielding environment can be formed, then the first shielding shell 21 and the second shielding shell 22 are placed outside the processor shell 11, the plug block A 221 and the plug block B 23 are inserted into the recess 211 and the installation frame 24 respectively, the screw is used for fixing, so that the first shielding shell 21 and the second shielding shell 22 can wrap the processor shell 11, so that the signal processor structure 1 can be additionally electromagnetically shielded and protected, and the strength of the first shielding shell 21 and the second shielding shell 22 is increased by the reinforcing rod 25.
[0033] It should be noted that the signal processor can detect abnormal signals by monitoring various sensor data of the aircraft in real time, help the health monitoring system of the aircraft to diagnose faults, and is not an innovative part of the present application file, and belongs to the public knowledge, and the person skilled in the art can think of the specific structure and structure layout.
[0034] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. An easily detectable aviation signal processing device, comprising a signal processor structure (1), characterized in that: The signal processor structure (1) is provided with an outer shielding structure (2) on the outside and an inner shielding structure (3) inside. The outer shielding structure (2) and the inner shielding structure (3) are both used to provide electromagnetic shielding protection for the signal processor structure (1). The outer shielding structure (2) includes a first shielding shell (21) and a second shielding shell (22) disposed outside the signal processor structure (1). The cross-section of the first shielding shell (21) and the second shielding shell (22) is U-shaped. An L-shaped mounting frame (24) is installed at the upper end of the first shielding shell (21). An insert block B (23) is provided on one side of the second shielding shell (22). Several reinforcing rods (25) are evenly disposed on the outer sides of the first shielding shell (21) and the second shielding shell (22).
2. The easily detectable aviation signal processing device according to claim 1, characterized in that: The first shielding shell (21) has a groove (211) on one side, and the inner and outer walls of the first shielding shell (21) and the second shielding shell (22) are coated with a silicone coating (212).
3. The easily detectable aviation signal processing device according to claim 2, characterized in that: The second shielding shell (22) has a plug A (221) on one side, and the plug A (221) is compatible with the groove (211).
4. The aviation signal processing device for easy detection according to claim 3, characterized in that: The signal processor structure (1) includes a processor housing (11) and a rear cover plate (12) disposed on the back side of the processor housing (11). A conductive rubber gasket (13) is disposed on the inner edge of the rear cover plate (12), and a bolt (15) is disposed on the outer side of the rear cover plate (12). Both the processor housing (11) and the rear cover plate (12) are components made of a steel material.
5. The easily detectable aviation signal processing device according to claim 4, characterized in that: The inner shielding structure (3) includes an iron-nickel alloy steel wire mesh (31) and a positioning block (32) set on the outer wall of the iron-nickel alloy steel wire mesh (31). A protective layer (33) is provided on one side of the positioning block (32), and the iron-nickel alloy steel wire mesh (31) plays the role of shielding electromagnetic fields.
6. The easily detectable aviation signal processing device according to claim 5, characterized in that: The processor housing (11) has a positioning groove (16) on its inner top wall. The positioning groove (16) is adapted to the positioning block (32). The inner side of the rear cover plate (12) is provided with a stop block (14).
Citation Information
Patent Citations
Signal processor
CN218413268U