CN114564347A - Low-delay bus test verification platform for avionics system - Google Patents
Low-delay bus test verification platform for avionics system Download PDFInfo
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- CN114564347A CN114564347A CN202210455934.9A CN202210455934A CN114564347A CN 114564347 A CN114564347 A CN 114564347A CN 202210455934 A CN202210455934 A CN 202210455934A CN 114564347 A CN114564347 A CN 114564347A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test buses, lines or interfaces, e.g. stuck-at or open line faults
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The application relates to a low-delay bus test verification platform of an avionic system, which belongs to the technical field of aerospace bus test and comprises a shell, a plurality of aviation connector digital test function boards and a test bottom plate connecting seat, wherein the aviation connector digital test function boards are arranged in the shell; the test bottom plate connecting seat comprises a first mounting frame and a second mounting frame which are used for mounting the aviation connector digital test function board, the first mounting frame and the second mounting frame are sequentially arranged along the vertical direction, and locking assemblies are arranged on the first mounting frame and the second mounting frame and used for fixing the aviation connector digital test function board. Through setting up the test bottom plate connecting seat into bilayer structure, fix aviation connector digital test function board on the test bottom plate connecting seat, effectively save space, help the miniaturization of low time delay bus test verification platform of avionics system.
Description
Technical Field
The application relates to the technical field of aerospace bus testing, in particular to a low-delay bus testing and verifying platform for an avionic system.
Background
The airborne avionics system mainly comprises communication, navigation, display, cockpit entertainment and other equipment, is used for finishing communication, navigation, information processing and control between the airplane and the ground, is the most core and important equipment of the airplane, and can directly influence the advanced degree and comprehensive capacity of the airplane.
The low-delay bus test verification environment mainly supports a test research platform of a system bus in an avionic system, can provide a low-delay data simulation source, has a network test function, and realizes a simulation environment based on the low-delay bus function. By installing the special model aviation connector digital test function board, functions such as a data analog source and analog quantity exchange are provided to help complete system construction, not only CAN system low-delay bus network function verification and index test be realized, but also high-speed interface processing capabilities such as an SRIO bus, a GTX bus, an stray line, an Ethernet, a CAN bus, a high-speed serial port and the like are achieved, and therefore the problems of data blockage, data loss and the like in an avionic system are solved.
In the process of implementing the present application, the inventors found that at least the following problems exist in the related art: in order to improve the capability of the system low-delay bus network function verification and index test, a plurality of aviation connector digital test function boards are usually arranged, but the plurality of aviation connector digital test function boards are disordered in arrangement and occupy larger space, so that the size of the avionic system low-delay bus test verification platform is larger.
Disclosure of Invention
In order to realize the miniaturization of the low-delay bus test verification platform of the avionics system, the application provides the low-delay bus test verification platform of the avionics system.
The application provides a low time delay bus test verification platform of avionics system adopts following technical scheme:
a test and verification platform for a low-delay bus of an avionic system comprises a shell, a plurality of aviation connector digital test function boards and a test bottom board connecting seat, wherein the aviation connector digital test function boards and the test bottom board connecting seat are arranged in the shell;
the test bottom plate connecting seat comprises a first mounting frame and a second mounting frame which are used for mounting the aviation connector digital test function board, the first mounting frame and the second mounting frame are sequentially arranged along the vertical direction, and locking assemblies are arranged on the first mounting frame and the second mounting frame and used for fixing the aviation connector digital test function board.
By adopting the technical scheme, the test bottom plate connecting seat is of a double-layer structure, and the aviation connector digital test function board is fixed on the test bottom plate connecting seat, so that the space is effectively saved, and the miniaturization of a low-delay bus test verification platform of an avionic system is facilitated; and moreover, high-speed bus information interaction is realized through the aviation connector digital test function board, and the problems of data blockage, data loss and the like in an avionic system are solved.
Optionally, sliding grooves are formed in the first mounting frame and the second mounting frame, the sliding grooves are used for allowing the aviation connector digital test function board to be connected in a sliding manner, and limiting holes are formed in the bottom walls of the sliding grooves; the locking assembly comprises a limiting rod arranged in the limiting hole, a limiting piece and an elastic piece arranged in the limiting hole, and the limiting piece is used for preventing the limiting rod from being separated from the limiting hole;
one end of the limiting rod, which extends out of the limiting hole, abuts against the aviation connector digital test function board and is arranged in a triangular mode.
By adopting the technical scheme, when the aviation connector digital test function board is installed, the aviation connector digital test function board moves in the sliding groove, and when the aviation connector digital test function board is abutted against the end part of the limiting rod, the limiting rod moves into the limiting hole under the guiding action of the limiting rod because the end part of the limiting rod is arranged in a triangular shape; the aviation connector digital testing function board continues to move, and after the aviation connector digital testing function board moves to a specified position, the limiting rod is restored to an initial state under the elastic action of the elastic piece, so that the end part of the limiting rod is abutted to the aviation connector digital testing function board; because the plane and the digital test function board butt of aviation connector of gag lever post tip help fixing the digital test function board of aviation connector on first mounting bracket and second mounting bracket.
Optionally, the first mounting frame is fixedly arranged in the housing, and a clamping assembly is arranged between the first mounting frame and the second mounting frame;
the clamping assembly comprises a buckling piece arranged at the bottom end of the second mounting frame and a buckling end fixedly arranged on the buckling piece; an elastic mounting part is arranged on the side wall of the first mounting frame, and a buckling groove mutually clamped with the buckling end is formed in the elastic mounting part;
and a tripping component is arranged on the second mounting frame and used for moving the buckling end out of the buckling groove.
By adopting the technical scheme, when the second mounting frame is mounted, the second mounting frame is moved from top to bottom, and when the buckling end moves downwards to the position of the buckling groove, the upper end face of the buckling end is abutted against the buckling groove, so that the first mounting frame and the second mounting frame are fixed together; the second mounting frame is provided with a tripping component for moving the buckling end out of the buckling groove, and when the second mounting frame needs to be disassembled, the buckling end can be moved out of the buckling groove by using the tripping component; the mounting and dismounting of the second mounting frame are facilitated.
Optionally, the second mounting bracket is provided with an extension part; the tripping assembly comprises an elastic sheet arranged on the extension part and an ejection column arranged on the elastic sheet, and the ejection column is abutted to the elastic mounting part.
Through adopting above-mentioned technical scheme, when needs dismantle the second mounting bracket, exert external force to the flexure strip for the flexure strip removes to the direction that is close to second mounting bracket lateral wall, makes ejecting post exert external force to the elastic mounting portion, and the elastic mounting portion removes to the direction of keeping away from the lock end under the elastic action of self, when the lock end breaks away from the lock groove, can dismantle the second mounting bracket, thereby the dismantlement of the second mounting bracket of being convenient for.
Optionally, a temperature sensor and a cooling fan are arranged in the housing, and the temperature sensor is used for acquiring temperature information in the housing in real time; the bus test and verification platform further comprises a controller, the controller is respectively electrically connected with the temperature sensor and the cooling fan, and the controller is used for controlling the cooling fan to cool the shell when the temperature information is greater than a preset temperature threshold value.
Through adopting above-mentioned technical scheme, detect the temperature in the casing and carry out the cooling processing to reduced aviation connector digital test function board and generated heat for long-term work and caused the possibility of damage, prolonged aviation connector digital test function board's life.
Optionally, a cover plate is further fixedly arranged on the end face of the test bottom plate connecting seat, and a shockproof layer is arranged between the cover plate and the aviation connector digital test function plate.
Through adopting above-mentioned technical scheme, utilize the apron to cover the aircraft connector digital test function board of installation in the test bottom plate connecting seat, utilize the layer of taking precautions against earthquakes to strengthen the shockproof effect after the installation of aircraft connector digital test function board to stability has further been improved.
Optionally, a heat dissipation structure is further arranged in the casing and comprises a heat dissipation top plate and a heat dissipation bottom plate, the heat dissipation top plate is fixedly arranged at the top of the testing bottom plate connecting seat, a plurality of heat dissipation holes are formed in the heat dissipation top plate, the heat dissipation bottom plate is fixedly arranged on the inner wall of the casing, and the heat dissipation bottom plate is fixedly connected with the bottom of the testing bottom plate connecting seat.
By adopting the technical scheme, the heat dissipation top plate and the heat dissipation bottom plate are directly contacted with the test bottom plate connecting seat, and heat is dissipated through the heat dissipation holes in the heat dissipation top plate when the shell works inside, so that the heat dissipation effect is further improved; simultaneously, utilize the radiating bottom plate can also strengthen the fixed to the test bottom plate connecting seat to stability when having improved the installation.
Optionally, the controller is configured to:
acquiring temperature information of each preset area in the shell; the shell is divided into preset areas according to the area, and the temperature information of each preset area is acquired by a temperature sensor arranged in each preset area;
and respectively judging whether the temperature information of each preset area is greater than a preset temperature threshold value, and if so, controlling the cooling fan to be started.
Through adopting above-mentioned technical scheme, with casing 1 inside divide into a plurality of regions of predetermineeing, acquire each temperature of predetermineeing the region in casing 1 and in time cool down and handle to reduced aviation connector digital test function board and generated heat for a long time and caused the possibility of damage, prolonged aviation connector digital test function board's life.
Optionally, the plurality of cooling fans are installed in each preset area respectively; the controller is further configured to:
judging whether the number of preset areas of which the temperature information is greater than a preset temperature threshold is smaller than a preset number threshold, if so, controlling the cooling fan of the corresponding preset area in the shell to start;
or the like, or, alternatively,
judging whether the number of preset areas of which the temperature information is greater than a preset temperature threshold is equal to a preset number threshold or not, and if so, controlling the heat radiation fans of the preset areas at the four diagonal positions in the shell to be started;
or the like, or, alternatively,
and judging whether the number of the preset areas of which the temperature information is greater than a preset temperature threshold is greater than a preset number threshold, if so, controlling the cooling fans of all the preset areas in the shell to start.
By adopting the technical scheme, when the number of the areas with the temperature detection values larger than the preset temperature threshold value is smaller than the preset number threshold value, the cooling fans of the corresponding areas are started, so that the temperature is lowered in a targeted manner, and the waste of energy is reduced; when the number of the areas with the temperature detection values larger than the preset temperature threshold value is equal to the preset number threshold value, the heat dissipation fans at the four opposite corners are started; when the number of the areas with the temperature detection values larger than the preset temperature threshold value is larger than the preset number threshold value, all the heat dissipation fans are started, and therefore the effect of rapid cooling is achieved.
In summary, the present application includes at least one of the following beneficial technical effects: the test bottom plate connecting seat is of a double-layer structure, and the aviation connector digital test function board is fixed on the test bottom plate connecting seat, so that the space is effectively saved, and the miniaturization of a low-delay bus test verification platform of an avionic system is facilitated; and moreover, high-speed bus information interaction is realized through the aviation connector digital test function board, and the problems of data blockage, data loss and the like in an avionic system are solved.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a low latency bus testification platform of an avionics system according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first mounting rack and a second mounting rack of a low-latency bus test verification platform of an avionics system according to an embodiment of the present application.
FIG. 3 is a top cross-sectional view of a second mount of the avionics system low-latency bus test validation platform shown in one embodiment of the present application.
Fig. 4 is an enlarged view of a portion a in fig. 3.
FIG. 5 is a top view of a second mount of an avionics system low latency bus test validation platform shown in one embodiment of the present application.
Fig. 6 is a schematic diagram illustrating a housing of an avionics system low-latency bus test verification platform divided into preset zones according to an embodiment of the present application.
Description of reference numerals: 1. a housing; 11. an aviation connector digital test function board; 2. testing the bottom plate connecting seat; 21. a first mounting bracket; 211. an elastic mounting portion; 22. a second mounting bracket; 23. a clamping assembly; 231. a fastener; 232. buckling ends; 233. buckling the groove; 24. an extension portion; 25. an unbuckling assembly; 251. an elastic sheet; 252. ejecting the column; 26. a locking assembly; 261. a sliding groove; 262. a limiting plate; 263. a limiting hole; 264. a limiting rod; 265. mounting holes; 266. a limiting ring; 267. a spring; 27. a heat radiation fan; 28. a temperature sensor; 3. a cover plate; 31. fixing the bolt; 32. a shock-resistant layer; 4. a heat dissipation top plate; 5. a heat dissipation base plate; 6. and a heat dissipation port.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a low-delay bus test verification platform of an avionic system.
Referring to fig. 1 and 2, a low time delay bus test verification platform of avionics system includes casing 1, a plurality of aviation connector digital test function boards 11 and test bottom plate connecting seat 2 of setting in casing 1, test bottom plate connecting seat 2 is used for installing aviation connector digital test function board 11, test bottom plate connecting seat 2 sets up to bilayer structure, fix aviation connector digital test function board 11 on test bottom plate connecting seat 2, make the butt joint of LRM connecting seat among aviation connector digital test function board 11 and the avionics system, utilize aviation connector digital test function board 11 to realize high-speed bus information interaction, can solve the data jam that appears in the avionics system and data loss scheduling problem.
Referring to fig. 1, a heat dissipation structure is further arranged in the casing 1, the heat dissipation structure comprises a heat dissipation top plate 4 and a heat dissipation bottom plate 5, the heat dissipation top plate 4 is fixedly arranged at the top of the testing bottom plate connecting seat 2 through bolts, a plurality of heat dissipation holes are formed in the heat dissipation top plate 4, the heat dissipation bottom plate 5 is fixedly arranged on the inner wall of the casing through bolts, and the heat dissipation bottom plate 5 is welded with the bottom of the testing bottom plate connecting seat 2.
In the above embodiment, the heat dissipation top plate 4 and the heat dissipation bottom plate 5 are directly contacted with the test bottom plate connecting seat 2, and heat is dissipated through the heat dissipation holes on the heat dissipation top plate 4 when the casing 1 works, so that the heat dissipation effect is further improved; meanwhile, the fixing of the test bottom plate connecting seat 2 can be enhanced by utilizing the heat dissipation bottom plate 5, so that the stability during installation is improved.
As shown in fig. 2, the test base plate connecting seat 2 includes a first mounting bracket 21 and a second mounting bracket 22 for mounting the aviation connector digital test function board 11, the first mounting bracket 21 and the second mounting bracket 22 are sequentially arranged along a vertical direction, the first mounting bracket 21 is fixedly arranged in the housing 1, and a clamping assembly 23 is arranged between the first mounting bracket 21 and the second mounting bracket 22. The first mounting frame 21 is fixedly disposed in the housing 1, and the specific implementation manner is as follows: the first mounting bracket 21 is welded to the heat radiation base plate 5.
Referring to fig. 2, as an embodiment of the clamping assembly, the clamping assembly 23 includes a fastening member 231 disposed at the bottom end of the second mounting frame 22 and a fastening end 232 fixedly disposed at the fastening member 231 and far away from the second mounting frame 22, and the fastening member 231 and the fastening end 232 are in the shape of a hook and are both elastically disposed; an elastic mounting part 211 is arranged on the side wall of the first mounting frame 21, and a buckling groove 233 mutually clamped with the buckling end 232 is arranged on the elastic mounting part 211 in a penetrating manner; when the second mounting frame 22 is mounted, the second mounting frame 22 is moved from top to bottom, and when the buckling end 232 abuts against the top end of the side wall of the first mounting frame 21, the buckling end 232 deflects to the direction away from the side wall of the first mounting frame 21 under the guiding action of the arc-shaped end of the buckling end 232; when the fastening end 232 moves downward to the fastening groove 233, it moves into the fastening groove 233 under the action of its own elasticity, so that the upper end surface of the fastening end 232 abuts against the fastening groove 233, and the first mounting frame 21 and the second mounting frame 22 are fixed together.
Referring to fig. 2, the second mounting frame 22 is further provided with a trip assembly 25, the trip assembly 25 is used for moving the fastening end 232 out of the fastening groove 233, and when the second mounting frame 22 needs to be disassembled, the fastening end 232 can be moved out of the fastening groove 233 by using the trip assembly 25.
Referring to fig. 1, as an embodiment of the trip assembly 25, an extending portion 24 is disposed on the second mounting bracket 22, the trip assembly 25 includes an elastic sheet 251 disposed on the extending portion 24 and an ejecting column 252 disposed on the elastic sheet 251, and the ejecting column 252 abuts against the elastic mounting portion 211; when the second mounting frame 22 needs to be disassembled, external force is applied to the elastic piece 251, so that the elastic piece 251 moves towards the direction close to the side wall of the second mounting frame 22, the ejection column 252 applies external force to the elastic mounting portion 211, the elastic mounting portion 211 moves towards the direction far away from the buckling end 232 under the elastic action of the elastic mounting portion 211, and when the buckling end 232 is separated from the buckling groove 233, the second mounting frame 22 can be disassembled.
Referring to fig. 2 and 3, the first mounting frame 21 and the second mounting frame 22 are both provided with a locking assembly 26, and the locking assembly 26 is used for fixing the aviation connector digital test function board 11; the both sides of first mounting bracket 21 and second mounting bracket 22 all are provided with the groove 261 that slides for supply aviation connector digital test function board 11 to slide the groove 261 that slides of connecting, and all be provided with limiting plate 262 on first mounting bracket 21 and the second mounting bracket 22.
In the above embodiment, when the aviation connector digital test function board 11 needs to be mounted, the aviation connector digital test function board 11 moves in the sliding groove 261, and when the aviation connector digital test function board 11 abuts against the limit plate 262, the locking assembly 26 fixes the aviation connector digital test function board 11.
It should be noted that the first mounting bracket 21 and the second mounting bracket 22 are both provided with the same locking assembly 26, so that only the locking assembly 26 on the second mounting bracket 22 will be described in detail below:
referring to fig. 3 and 4, as an embodiment of the locking assembly 26, a limiting hole 263 is disposed on a bottom wall of the sliding groove 261, the locking assembly 26 includes a limiting rod 264 disposed in the limiting hole 263, a limiting member for preventing the limiting rod 264 from disengaging from the limiting hole 263, and an elastic member disposed in the limiting hole 263, and one end of the limiting rod 264 penetrating through the limiting hole 263 abuts against the aviation connector digital test function board 11 and is disposed in a triangular shape; mounting holes 265 are formed in the side wall of the limiting hole 263 along the circumferential direction of the side wall, the limiting piece is a limiting ring 266 fixedly arranged on the outer wall of the limiting rod 264, and the limiting ring 266 is located in the mounting holes 265, so that the limiting rod 264 is prevented from being separated from the limiting hole 263 to a certain extent.
Referring to fig. 4, as an embodiment of the elastic member, the elastic member is a spring 267, one end of the spring 267 is fixedly connected to the limiting rod 264, and the other end is fixedly connected to an inner wall of the limiting hole 263.
In the above embodiment, when the aviation connector digital test function board 11 is installed, the aviation connector digital test function board 11 moves in the sliding groove 261, and when the aviation connector digital test function board 11 abuts against the end of the limit rod 264, because the end of the limit rod 264 is arranged in a triangle, under the guiding action of the limit rod 264, the limit rod 264 moves into the limit hole 263; the aviation connector digital testing function board 11 continues to move, when the aviation connector digital testing function board 11 abuts against the limiting plate 262, the limiting rod 264 is restored to the initial state under the elastic action of the temperature of the spring 267, and the end part of the limiting rod 264 abuts against the aviation connector digital testing function board 11; utilize gag lever post 264 to the limiting displacement of aviation connector digital test function board 11, be convenient for fix aviation connector digital test function board 11 on first mounting bracket 21 and second mounting bracket 22, stability when having improved aviation connector digital test function board 11 and installing.
In addition, when the aviation connector digital test function board 11 needs to be disassembled, the limiting rod 264 moves towards the limiting hole 263 under the action of external force, and when the end part of the limiting rod 264 completely extends into the limiting hole 263, the aviation connector digital test function board 11 can be taken out.
In the above embodiment, the test bottom plate connecting seat 2 is set to be a double-layer structure, and the aviation connector digital test function board 11 is fixed on the test bottom plate connecting seat 2, so that the space is effectively saved, and the miniaturization of the low-delay bus test verification platform of the avionics system is facilitated; in addition, the aviation connector digital test function board 11 is used for realizing high-speed bus information interaction, and the problems of data blockage, data loss and the like in an avionic system are solved conveniently.
Referring to fig. 1, in order to shelter from aviation connector digital test function board 11 in test bottom plate connecting seat 2, still fixedly on the terminal surface of test bottom plate connecting seat 2 be provided with apron 3, be provided with a plurality of fixing bolt 31 on apron 3, apron 3 passes through fixing bolt 31 and fixedly sets up on the terminal surface of test bottom plate connecting seat 2.
Referring to fig. 3, in order to enhance the anti-vibration effect of the installed aviation connector digital test function board, an anti-vibration layer 32 is further disposed between the cover plate 3 and the aviation connector digital test function board 11, and the anti-vibration layer 32 reduces the vibration condition of the aviation connector digital test function board 11 during movement, thereby further improving stability.
In addition, as an embodiment of the anti-vibration layer 32, the anti-vibration layer 32 can be a sponge layer, or a rubber layer, that is, the anti-vibration effect can be achieved.
Referring to fig. 5, a plurality of heat dissipation openings 6 are further formed in the top of the second mounting frame 22, and heat is dissipated through the plurality of heat dissipation openings 6, so that the heat dissipation effect is further improved.
Referring to fig. 1 and 6, because the internal components of the housing 1 often have high temperature during operation, in order to facilitate detection of the temperature inside the housing 1, a temperature sensor 28 is installed in the housing 1, and the temperature sensor 28 is disposed on the top inner wall of the housing 1 and is used for acquiring temperature information in the housing 1 in real time; at least two cooling fans 27 are respectively arranged in the shell 1 and positioned at two sides of the test bottom plate connecting seat 2; in addition, the bus test verification platform further comprises a controller, the controller is electrically connected with the temperature sensor 28 and the cooling fan 27 respectively, and the controller is used for controlling the cooling fan 27 to cool the shell 1 when the temperature information is greater than a preset temperature threshold value; the controller may be a programmable logic controller or a digital controller, and the application is not particularly limited.
Referring to fig. 1, 6, as an embodiment of the controller, the controller is configured to:
acquiring temperature information of each preset area in the shell 1; the preset areas are obtained by dividing the shell 1 according to areas, and the temperature information of each preset area is acquired by a temperature sensor 28 arranged in each preset area;
respectively judging whether the temperature information of each preset area is greater than a preset temperature threshold value, and if so, controlling the cooling fan 27 to be started;
the preset temperature threshold value can be preset according to historical experience or actual conditions.
In the above embodiment, divide casing 1 inside into a plurality of regions of predetermineeing, acquire each temperature of predetermineeing the region in casing 1 and in time cool down and handle to reduce the possibility that aviation connector digital test function board generates heat and causes the damage for a long time working, prolonged aviation connector digital test function board's life.
Referring to fig. 1 and 6, as an embodiment of the heat dissipation fan 27, a plurality of heat dissipation fans 27 are installed and installed in each preset area respectively; specifically, the heat dissipation fan 27 is disposed on a side wall of one side of each of the preset regions.
Referring to fig. 1, 6, as a further embodiment of the controller, the controller is further configured to:
judging whether the number of the preset areas with the temperature information larger than the preset temperature threshold is smaller than a preset number threshold, if so, controlling the cooling fan 27 of the corresponding preset area in the shell 1 to start;
the preset quantity threshold value can be preset according to historical experience or actual conditions;
or the like, or, alternatively,
judging whether the number of the preset areas of which the temperature information is greater than the preset temperature threshold is equal to the preset number threshold, if so, controlling the heat radiation fans 27 of the preset areas at the four diagonal positions in the shell 1 to be started;
the four diagonal positions of the shell 1 comprise areas where four diagonal positions of an upper left diagonal, a lower left diagonal, an upper right diagonal and a lower right diagonal are located, and each diagonal position corresponds to a preset area;
or the like, or, alternatively,
and judging whether the number of the preset areas of which the temperature information is greater than the preset temperature threshold is greater than a preset number threshold, and if so, controlling the cooling fans 27 in all the preset areas in the shell 1 to be started.
In the above embodiment, when the number of the areas where the temperature detection value is greater than the preset temperature threshold is less than the preset number threshold, the cooling fan 27 in the corresponding area is turned on, so as to cool down in a targeted manner, thereby reducing the waste of energy; when the number of the areas with the temperature detection values larger than the preset temperature threshold value is equal to the preset number threshold value, the heat dissipation fans 27 at the four diagonal positions are started; when the number of the areas with the temperature detection values larger than the preset temperature threshold is larger than the preset number threshold, all the cooling fans 27 are turned on, so that the effect of rapid cooling is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a low time delay bus test of avionics system verifies platform which characterized in that: the device comprises a shell (1), a plurality of aviation connector digital test function boards (11) arranged in the shell (1) and a test bottom plate connecting seat (2), wherein the test bottom plate connecting seat (2) is used for installing the aviation connector digital test function boards (11);
test bottom plate connecting seat (2) is including being used for the installation first mounting bracket (21) and second mounting bracket (22) of aeronautical connector digital test function board (11), vertical direction sets gradually are followed in first mounting bracket (21) and second mounting bracket (22), all be provided with locking Assembly (26) on first mounting bracket (21) and second mounting bracket (22), locking Assembly is used for right aeronautical connector digital test function board (11) are fixed.
2. The avionics system low-latency bus test verification platform according to claim 1, characterized in that: sliding grooves (261) are formed in the first mounting frame (21) and the second mounting frame (22) and are used for enabling the aviation connector digital test function board (11) to be connected in a sliding mode, and limiting holes (263) are formed in the bottom wall of each sliding groove (261); the locking assembly (26) comprises a limiting rod (264) arranged in the limiting hole (263), a limiting piece and an elastic piece arranged in the limiting hole (263), wherein the limiting piece is used for preventing the limiting rod (264) from being separated from the limiting hole (263);
one end of the limiting rod (264) extending out of the limiting hole (263) is abutted to the aviation connector digital test function board (11) and is arranged in a triangular shape.
3. The avionics system low-latency bus test verification platform according to claim 1, characterized in that: the first mounting frame (21) is fixedly arranged in the shell (1), and a clamping assembly (23) is arranged between the first mounting frame (21) and the second mounting frame (22);
the clamping assembly (23) comprises a buckling piece (231) arranged at the bottom end of the second mounting frame (22) and a buckling end (232) fixedly arranged on the buckling piece (231); an elastic mounting part (211) is arranged on the side wall of the first mounting frame (21), and a buckling groove (233) which is mutually clamped with the buckling end (232) is formed in the elastic mounting part (211);
a tripping component (25) is arranged on the second mounting frame (22), and the tripping component (25) is used for moving the buckling end (232) out of the buckling groove (233).
4. The avionics system low-latency bus test verification platform according to claim 3, characterized in that: the second mounting bracket (22) is provided with an extension (24); the tripping assembly (25) comprises an elastic sheet (251) arranged on the extension portion (24) and an ejection column (252) arranged on the elastic sheet (251), and the ejection column (252) is abutted with the elastic mounting portion (211).
5. The avionics system low-latency bus test verification platform according to any one of claims 1 to 4, characterized in that: a temperature sensor (28) and a cooling fan (27) are arranged in the shell (1), and the temperature sensor (28) is used for acquiring temperature information in the shell (1) in real time; the bus test verification platform further comprises a controller, the controller is respectively electrically connected with the temperature sensor (28) and the cooling fan (27), and the controller is used for controlling the cooling fan (27) to cool the shell (1) when the temperature information is larger than a preset temperature threshold value.
6. The avionics system low-latency bus test verification platform according to claim 1, characterized in that: the testing base plate connecting seat is characterized in that a cover plate (3) is fixedly arranged on the end face of the testing base plate connecting seat (2), and a shockproof layer (32) is arranged between the cover plate (3) and the aviation connector digital testing function plate (11).
7. The avionics system low-latency bus test verification platform according to claim 1, characterized in that: still be provided with heat radiation structure in casing (1), heat radiation structure includes heat dissipation roof (4) and heat dissipation bottom plate (5), heat dissipation roof (4) are fixed to be set up at the top of test bottom plate connecting seat (2), a plurality of louvres have been seted up on heat dissipation roof (4), heat dissipation bottom plate (5) are fixed to be set up on the inner wall of casing (1), just the bottom fixed connection of heat dissipation bottom plate (5) and test bottom plate connecting seat (2).
8. The avionics system low-latency bus test verification platform according to claim 5, characterized in that: the controller is configured to:
acquiring temperature information of each preset area in the shell (1); the preset regions are obtained by dividing the shell (1) according to areas, and the temperature information of each preset region is acquired by a temperature sensor (28) arranged in each preset region;
and respectively judging whether the temperature information of each preset area is greater than a preset temperature threshold value, and if so, controlling the cooling fan (27) to be started.
9. The avionics system low-latency bus test verification platform according to claim 8, wherein: a plurality of heat dissipation fans (27) are arranged in each preset area respectively; the controller is further configured to:
judging whether the number of preset areas of which the temperature information is greater than a preset temperature threshold is smaller than a preset number threshold, if so, controlling the cooling fan (27) of the corresponding preset area in the shell (1) to start;
or the like, or, alternatively,
judging whether the number of the preset areas of which the temperature information is greater than a preset temperature threshold is equal to a preset number threshold, if so, controlling the heat radiation fans (27) of the preset areas at four diagonal positions in the shell (1) to be started;
or the like, or, alternatively,
and judging whether the number of the preset areas of which the temperature information is greater than a preset temperature threshold is greater than a preset number threshold, if so, controlling the heat radiation fans (27) of all the preset areas in the shell (1) to be started.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210942102.XA CN115168128B (en) | 2022-04-28 | 2022-04-28 | Avionics system low-delay bus test verification platform |
| CN202210455934.9A CN114564347A (en) | 2022-04-28 | 2022-04-28 | Low-delay bus test verification platform for avionics system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210455934.9A CN114564347A (en) | 2022-04-28 | 2022-04-28 | Low-delay bus test verification platform for avionics system |
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| CN202210942102.XA Division CN115168128B (en) | 2022-04-28 | 2022-04-28 | Avionics system low-delay bus test verification platform |
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| CN114564347A true CN114564347A (en) | 2022-05-31 |
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| CN202210455934.9A Pending CN114564347A (en) | 2022-04-28 | 2022-04-28 | Low-delay bus test verification platform for avionics system |
| CN202210942102.XA Active CN115168128B (en) | 2022-04-28 | 2022-04-28 | Avionics system low-delay bus test verification platform |
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| CN201965225U (en) * | 2010-12-21 | 2011-09-07 | 北京航天测控技术有限公司 | Self-test device of comprehensive detection equipment |
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| ES2248889T3 (en) * | 1998-05-08 | 2006-03-16 | Assa Ab | CARD LOCK. |
| CN206923180U (en) * | 2017-05-27 | 2018-01-23 | 宁波三星医疗电气股份有限公司 | A kind of communication test instrument |
| CN208874063U (en) * | 2018-08-30 | 2019-05-17 | 遵义长征电器设备有限责任公司 | A kind of power compensation cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201965225U (en) * | 2010-12-21 | 2011-09-07 | 北京航天测控技术有限公司 | Self-test device of comprehensive detection equipment |
| CN103303503A (en) * | 2013-06-28 | 2013-09-18 | 上海新跃仪表厂 | Portable spacecraft ground simulation test platform |
| US20200134945A1 (en) * | 2018-10-25 | 2020-04-30 | Airbus Sas | Acquisition system for aircraft comprising an avionics rack and at least one recording device, and associated aircraft |
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| CN215526554U (en) * | 2021-07-28 | 2022-01-14 | 上海鼎钛克电子有限公司 | Military system test platform for embedded system |
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| Publication number | Publication date |
|---|---|
| CN115168128A (en) | 2022-10-11 |
| CN115168128B (en) | 2023-06-02 |
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