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Sensor high-frequency vibration conduction blocking structure for unmanned vehicle controller
CN220342642U
China
Worldwide applications
2020
CN
Application CN202022580626.8U events
2020-11-10
2020-11-10
2024-01-12
Application granted
2024-01-12
Status
Active
2030-11-10
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Description
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Technical Field
The utility model belongs to the technical field of unmanned vehicles, and particularly relates to a sensor high-frequency vibration conduction blocking structure for an unmanned vehicle controller.
Background
The navigation attitude reference sensor of the traditional unmanned vehicle controller is usually directly manufactured on a control main board, and the unmanned vehicle runs, and abnormal vibration and noise caused by a propeller or a power system can be generated during flight, so that the sensor cannot accurately acquire a precise attitude angle, and the sensor cannot work well, and the frequently influenced abnormal vibration and noise are high-frequency vibration or high-frequency noise.
The unmanned vehicle controller of the sensor high-frequency vibration conduction blocking structure of the unmanned vehicle controller comprises an unmanned vehicle controller (comprising wheeled vehicles and crawler-type vehicles), an unmanned ship controller (comprising a water surface ship and an underwater ship), and an unmanned vehicle controller (comprising a fixed-wing aircraft, a multi-rotating-shaft aircraft and a rotating-shaft aircraft).
The existing method of using an external damping material or a sponge structure to block high-frequency vibration conduction can increase the installation difficulty, increase a certain weight and waste the internal installation space, or using the sponge as a blocking material in the unmanned carrier to install the unmanned carrier controller on the blocking device; or the simple separation sponge is arranged between the main board and the sensor of the unmanned carrier controller, and the structure occupies a large amount of internal space, and because the sponge is softer, the method often needs to add a counterweight on the sensor circuit board, thereby not only increasing the self weight of the unmanned carrier controller. The existing structure has an unsatisfactory high-frequency vibration blocking effect, and is easy to generate the same resonance phenomenon as a vibration source.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a sensor high-frequency vibration conduction blocking structure for an unmanned vehicle controller, which is used for compressing the length of a high-frequency vibration conduction damping material column 14 when a fixing screw is locked and buckled by a first shell 110 and a second shell 111 of the unmanned vehicle controller, and utilizing damping material damping of the high-frequency vibration conduction damping material column 14 and air inside the high-frequency vibration conduction damping material column to be compressed to form air damping, thereby playing a role in high-frequency vibration blocking and conduction, fully utilizing the internal space of the controller, and solving the technical problems that the internal space of the unmanned vehicle is small and the vibration conduction blocking structure is not easy to add.
A sensor high-frequency vibration conduction blocking structure for an unmanned vehicle controller comprises a controller first shell; a second housing; a controller circuit board; a sensor circuit board; a high frequency vibration conduction damping material column; the fixing screw is buckled, the length of the high-frequency vibration conduction damping material column is longer than the length from the bottom part of the convex sleeve of the first shell of the controller to the bottom part of the convex sleeve of the second shell, and the high-frequency vibration conduction damping material column is compressed when the fixing screw of the first shell of the controller and the second shell is locked.
As a preferred embodiment, further defined as: the high-frequency vibration conduction blocking structure mechanism comprises a first controller shell and a second controller shell, wherein the first controller shell is provided with a through hole, the front section of the through hole is of a concave structure, the diameter of the front section of the through hole is the same as the outer diameter of the head of a buckling fixing screw, the diameter of the rear section of the through hole is the same as the diameter of the buckling fixing screw, the first controller shell is internally provided with a single or multiple convex part structure, the convex structure is provided with a groove, and the groove is used as a sleeve to be clamped into and connected with a high-frequency vibration conduction damping material column; the buckling fixing screw penetrates through the first shell of the controller, the controller circuit board, the sensor circuit board and the supporting high-frequency vibration conduction damping material column tightly sleeved with the sensor circuit board, and is connected and tightly buckled with the second shell; the second housing is internally provided with a single or a plurality of convex structures, the convex structures are concave structures, and the concave structures are provided with screw holes with the same diameter as the fastening fixing screws.
As a preferred embodiment, further defined as: the controller circuit board and the sensor circuit board are provided with one or more fixing holes, the circle center of each fixing hole is the same as the circle center point of the second shell and the hole of the buckling fixing screw, the fixing holes penetrate through the buckling fixing screws to play a role in positioning, and the high-frequency vibration conduction damping material column and the sensor circuit board are fixed in the unmanned carrier controller; one end of the sensor circuit board is connected with one end of the controller circuit board through a flexible circuit board or an electric wire; the high-frequency vibration conduction damping material column is buckled with at least one or more fixing screws.
As a preferred embodiment, further defined as: the section of the high-frequency vibration conduction damping material column is in a single section or a plurality of sections of I shapes, the outer diameter part of the high-frequency vibration conduction damping material column is provided with a concave part, the concave part of the high-frequency vibration conduction damping material column is used as a sleeve, and the high-frequency vibration conduction damping material column is positioned by the concave part of the high-frequency vibration conduction damping material column together with a controller circuit board and a sensor circuit board penetrating through the high-frequency vibration conduction damping material column; the middle shaft of the high-frequency vibration conduction damping material column completely penetrates through an opening, and the aperture of the opening is larger than the diameter of a buckling fixing screw of the unmanned carrier controller; the length of the high frequency vibration conduction damping material column is longer than the length between the first housing convex part and the second housing convex part of the controller.
The beneficial effects of the utility model are as follows: the length of the high-frequency vibration conduction damping material column is longer than the length between the bottom part of the first shell convex sleeve and the bottom part of the second shell convex sleeve of the controller. When the first shell and the second shell of the controller are locked by fixing screws, the length of the high-frequency vibration conduction damping material column is compressed, the damping material of the high-frequency vibration conduction damping material column is compressed, internal air can be compressed to form damping, the sensor circuit board is suspended in the unmanned carrier controller, and the damping material is compressed and damped by the compression of the air in the cavity of the damping material column, so that the high-frequency vibration conduction blocking effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is an exploded view of the present utility model, shown in FIG. 1;
FIG. 3 is an exploded view of FIG. 2 of the present utility model;
FIG. 4 is an exploded view of the controller circuit board and sensor circuit board of the present utility model;
FIG. 5 is a schematic view of a first housing of the controller of the present utility model;
fig. 6 is a schematic view of a second housing of the present utility model.
Detailed Description
Referring to fig. 1, a high-frequency vibration conduction blocking structure comprises a first housing 110, a second housing 111, and a controller circuit board 12; a sensor circuit board 13; a high frequency vibration conduction damping material column 14; the fastening screw 15, wherein the first casing 110 of the controller is provided with a single or multiple through holes 112, as shown in fig. 3, which is an exploded schematic view of the present utility model, the front section of the through hole is a concave structure 18, the diameter of the front section of the through hole of the first casing 110 of the controller is the same as the outer diameter of the head of the fastening screw 15, the diameter of the rear section of the through hole is the same as the diameter of the fastening screw 15, and the fastening structure is favorable for forming a seal and preventing the air in the through hole of the screw from overflowing to the outside.
Referring to fig. 5, fig. 6 is a schematic view of a first casing of the controller according to the present utility model, and fig. 110 is a schematic view of a second casing of the controller according to the present utility model, wherein the second casing 111 has a protrusion structure 16 protruding at one or more places inside, and the protrusion structure 16 is provided with a groove 17, and wherein the protrusion structure 16 is shown in fig. 2, which is an exploded schematic view of the controller according to the present utility model, and the groove 17 is used as a sleeve-shaped structure for connecting with the high-frequency vibration conductive damping material column 14; the second housing 111 has a single or multiple protruding structures 16 inside, the protruding structures are concave structures 18, and the concave structures are provided with screw holes with the same diameter as the fastening fixing screws 15; the high-frequency vibration conduction damping material column is sleeved in the sleeve formed by the convex structure 16 of the first shell 110 and the second shell 111 of the controller, so as to form a sealed environment of the cavity and prevent air in the cavity from overflowing to the outside.
As shown in fig. 4, the high-frequency vibration conduction damping material column is a schematic diagram, the section of the high-frequency vibration conduction damping material column is in a single-section or multi-section I shape, and the outer diameter part of the high-frequency vibration conduction damping material column is provided with a concave part; the controller circuit board 12 and the sensor circuit board 13 penetrating the high-frequency vibration conduction damping material column 14 are positioned by the concave part of the high-frequency vibration conduction damping material column 14; the middle shaft of the high-frequency vibration conduction damping material column 14 completely penetrates through an opening, and the aperture of the opening is larger than the diameter of a buckling fixing screw 15 of the unmanned carrier controller; the length of the high-frequency vibration conduction damping material column 14 is longer than the length between the protruding portion of the first housing 110 and the protruding portion of the second housing 111 of the controller; the controller circuit board 12 and the sensor circuit board 13 penetrated by the high-frequency vibration conduction damping material column 14 are placed in the sleeve of the concave part of the high-frequency vibration conduction damping material column 14 by using the concave part of the high-frequency vibration conduction damping material column 14 as the sleeve.
Referring to fig. 4, which is an exploded schematic diagram of the controller circuit board and the sensor circuit board of the present utility model, the controller circuit board 12 and the sensor circuit board 13 have one or more fixing holes, the center of the fixing hole is the same as the center of the opening of the second housing 111 and the fastening screw 15, the fastening screw 15 is penetrated to perform positioning function, and the high-frequency vibration conduction damping material column 14 and the sensor circuit board 13 are fixed in the unmanned carrier controller; one end of the sensor circuit board is connected with one end of the controller circuit board through a flexible circuit board or an electric wire; the number of the high-frequency vibration conduction damping material columns 14 and the buckling fixing screws 15 is at least one or more; as shown in fig. 1, the high-frequency vibration conduction damping material column 14 is fastened by fastening the fixing screws 15 to penetrate through the first controller housing 110, the controller circuit board 12, the sensor circuit board 13 and the support high-frequency vibration conduction damping material column 14 tightly sleeved with the sensor circuit board 13, and is connected with the second housing 111, and the length of the high-frequency vibration conduction damping material column 14 is longer than the length between the bottom part of the convex sleeve of the first controller housing 110 and the bottom part of the convex sleeve of the second housing 111. When the first shell 110 and the second shell 111 of the controller are locked by the fixing screws, the length of the high-frequency vibration conduction damping material column 14 is compressed, the damping material of the high-frequency vibration conduction damping material column 14 is compressed, internal air is compressed to form damping, the sensor circuit board 13 is suspended in the unmanned carrier controller, and the damping material is compressed and damped by the air in the cavity of the damping material column, so that the high-frequency vibration conduction blocking function is achieved.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way, so any modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model will still fall within the scope of the technical solutions of the present utility model.
Claims (4)
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Claims (4)
Hide Dependent
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1. A sensor high frequency shock conduction barrier structure for an unmanned vehicle controller, comprising a controller first housing (110); a second housing (111); a controller circuit board (12); a sensor circuit board (13); a high frequency vibration conducting damping material column (14); the fixing screws (15) are buckled, the length of the high-frequency vibration conduction damping material column (14) is longer than the length between the bottom part of the convex sleeve of the first shell (110) of the controller and the bottom part of the convex sleeve of the second shell (111), and when the fixing screws of the first shell (110) and the second shell (111) of the controller are locked, the length of the high-frequency vibration conduction damping material column (14) is compressed.
2. The sensor high-frequency vibration conduction blocking structure for the unmanned vehicle controller according to claim 1, wherein the high-frequency vibration conduction blocking structure mechanism comprises a first controller housing (110) and a second controller housing (111), wherein the first controller housing (110) is provided with a through hole (112), the front section of the through hole is a concave structure (18), the diameter of the front section of the through hole is the same as the outer diameter of the head of the buckling fixing screw (15), the diameter of the rear section of the through hole is the same as the diameter of the buckling fixing screw (15), the first controller housing (110) is internally provided with a single or a plurality of convex protrusion structures (16), the convex protrusion structures (16) are provided with grooves (17), and the grooves (17) are used as sleeves to be clamped into and connected with a high-frequency vibration conduction damping material column (14); the controller first shell (110), the controller circuit board (12), the sensor circuit board (13) and the supporting high-frequency vibration conduction damping material column (14) tightly sleeved with the sensor circuit board (13) are penetrated by the buckling fixing screw (15), and the buckling fixing screw (15) is connected and tightly buckled with the second shell (111); the second housing (111) is internally provided with a single or a plurality of convex structures (16) which are convex, the convex structures are concave structures (18), and the concave structures are provided with screw holes with the same diameter as the fastening fixing screws (15).
3. The sensor high-frequency vibration conduction blocking structure for the unmanned vehicle controller according to claim 2, wherein the controller circuit board (12) and the sensor circuit board (13) are provided with one or more fixing holes, the circle center of each fixing hole is the same as the circle center point of the holes of the second housing (111) and the buckling fixing screw (15), the fixing holes are penetrated by the buckling fixing screw (15) to play a role in positioning, and the high-frequency vibration conduction damping material column (14) and the sensor circuit board (13) are fixed in the unmanned vehicle controller; one end of the sensor circuit board is connected with one end of the controller circuit board through a flexible circuit board or an electric wire; the high-frequency vibration conduction damping material column (14) is used for fastening the fixing screws (15) at least one or more.
4. A sensor high frequency vibration conduction blocking structure for an unmanned vehicle controller according to claim 3, wherein the section of the high frequency vibration conduction damping material column (14) is in a single-section or multi-section i shape, the outer diameter part of the high frequency vibration conduction damping material column (14) is provided with a concave part, the concave part of the high frequency vibration conduction damping material column (14) is used as a sleeve, and the controller circuit board (12) and the sensor circuit board (13) penetrating the high frequency vibration conduction damping material column (14) are positioned by the concave part of the high frequency vibration conduction damping material column (14); the middle shaft of the high-frequency vibration conduction damping material column (14) is a completely through hole, and the aperture of the hole is larger than the diameter of a buckling fixing screw (15) of the unmanned carrier controller; the length of the high frequency vibration conduction damping material column (14) is longer than the length between the protruding part of the first shell (110) and the protruding part of the second shell (111) of the controller.