Unmanned aerial vehicle test wind tunnel device
By designing a drone test wind tunnel device with height adjustment components and universal wheel components, the problem that traditional devices cannot simulate complex flight environments is solved, and the accuracy and flexibility of drone testing is improved.
Patent Information
- Application Number
- CN202422831528.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Traditional drone wind tunnel testing devices cannot effectively simulate complex and changeable actual flight environments, and the device handling and position adjustment are difficult, which affects the accuracy and flexibility of the test.
A drone test wind tunnel device was designed, using height adjustment components and universal wheel components to realize height and angle adjustment of the wind tunnel body, facilitate the movement and fixation of the device, and simulate a variable wind environment.
It improves the accuracy and flexibility of drone testing, and can conduct diversified tests at different sites to meet the needs of complex wind direction simulation.
Smart Images
Figure CN223295618U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind tunnels, in particular to a wind tunnel device for testing unmanned aerial vehicles. Background Art
[0002] With the rapid development of drone technology, the requirements for drone performance testing are also increasing. Wind tunnel testing, as a key method for evaluating drone aerodynamic performance, has become increasingly important. During the drone development process, it is necessary to simulate various airflow conditions in real-world flight environments, including at different altitudes and in different wind directions (such as crosswinds and complex wind direction combinations), in order to comprehensively and accurately test the drone's flight stability, controllability, and other relevant performance parameters.
[0003] Traditional wind tunnel testing equipment for drones often has limitations. For example, most wind tunnels have fixed heights and angles, allowing for testing only under single airflow direction and altitude conditions, failing to effectively simulate the complex and changing real-world flight environment. This results in drones potentially encountering situations in actual flight that were not addressed in wind tunnel testing, leading to deviations between test results and actual flight performance, impacting the accuracy and reliability of drone development. Furthermore, due to its structural design, the equipment is often difficult to transport and adjust its position, which not only increases the time and labor costs of test preparation but also limits the flexibility of test locations, hindering the ability to meet diverse testing needs at different locations.
[0004] Therefore, we proposed a UAV testing wind tunnel device to solve the above problems. Utility Model Content
[0005] 1. Technical problems to be solved by the utility model:
[0006] The purpose of the present invention is to provide a wind tunnel device for testing unmanned aerial vehicles (UAVs) to solve the problems in the current market raised by the above-mentioned background technology.
[0007] 2. Technical solution:
[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a wind tunnel device for testing unmanned aerial vehicles, comprising a base plate, wherein height adjustment assemblies are mounted on both left and right sides of the upper end of the base plate, and a mounting plate is mounted on the output ends of the two height adjustment assemblies, and a wind tunnel body is fixed to the upper end of the mounting plate, and the two height adjustment assemblies are used to adjust the left and right height positions of the wind tunnel body;
[0009] Telescopic components are installed on both the left and right sides of the bottom plate, and a universal wheel component is installed on the output end of the telescopic component. The telescopic component is used to drive the universal wheel component to move up and down.
[0010] Furthermore, the height adjustment assembly includes a fixing frame fixedly mounted on the base plate and a connecting frame located above the fixing frame, the front and rear sides of the fixing frame are rotatably mounted with a first connecting rod, and the upper end of the first connecting rod is rotatably mounted with a rotating rod 1, and the middle part of the rotating rod 1 is rotatably mounted with a second connecting rod, and the upper ends of the front and rear second connecting rods are respectively rotatably mounted on the front and rear sides of the connecting frame, and at the same time, the upper end of the connecting frame is rotatably mounted with a rotating rod 3, and the rotating rod 3 is fixedly mounted below the mounting plate.
[0011] Through the above technical solution, the connecting frame can move up and down above the fixing frame through the first connecting rod and the second connecting rod.
[0012] Furthermore, the rotating rod 1 and the rotating rod 2 are parallel to each other, and the rotating rod 1 and the rotating rod 3 are perpendicular to each other.
[0013] Through the above technical solution, the mounting plate and the wind tunnel body can be rotated left and right as a whole.
[0014] Furthermore, the inner bearing of the rotating rod 1 is installed with the threaded rod 1, and the middle thread of the threaded rod 1 is sleeved inside the rotating rod 2, and the front end of the threaded rod 1 is fixed with a rotating block.
[0015] Through the above technical solution, the threaded rod one can be rotated by the rotating block to drive the rotating rod two to slide on the outside of the threaded rod one.
[0016] Furthermore, the telescopic assembly includes a threaded rod 2 installed on the upper end of the base plate through a bearing and a guide rod fixedly installed on the upper end of the base plate. The middle parts of the threaded rod 2 and the guide rod are jointly sleeved with a cross rod, and the cross rod and the threaded rod 2 are threadedly connected, and the cross rod and the guide rod form a fitting sliding structure.
[0017] Through the above technical solution, after the threaded rod 2 is rotated, the cross bar can be driven to move up and down through the guide rod.
[0018] Furthermore, the upper end of the universal wheel assembly is mounted on the end of the cross bar, and there are two universal wheel assemblies symmetrically distributed front to back about the center of the cross bar.
[0019] Through the above technical solution, the universal wheel assembly can be folded up or down, thereby facilitating movement and improving stability.
[0020] 3.Beneficial effects:
[0021] Compared with the prior art, the technical solution provided by the present invention provides a wind tunnel device for testing drones. The height adjustment assembly can precisely adjust the left and right heights of the wind tunnel body. The telescopic assembly and universal wheel assembly facilitate the movement and fixation of the device. The overall device can better meet the relevant requirements of drone testing. The specific contents are as follows:
[0022] When the rotary block is rotated, the threaded rod 1 will be driven to rotate. Since the position of the second rotating rod is relatively fixed, the rotating rod 1 will produce axial movement under the action of the thread, and then through the linkage of the first connecting rod, the second connecting rod and other connecting rod structures, the connecting frame will be driven to move up and down, so that the left and right height positions of the mounting plate and the wind tunnel body can be adjusted. When adjusting the left and right height positions, the two height adjustment components can be operated synchronously or asynchronously. When operated synchronously, the horizontal height of the wind tunnel body can be raised or lowered as a whole; when operated asynchronously, the wind tunnel body can be tilted to a certain angle. This tilt angle adjustment is very critical when simulating crosswinds or complex wind direction environments. The wind tunnel body can operate in different wind directions, thereby increasing the test range of drones.
[0023] When the threaded rod 2 is rotated, the crossbar will move up and down along the guide rod under the guidance of the threaded transmission and the guide rod, thereby realizing the folding or lowering of the universal wheel assembly. When the universal wheel assembly is lowered, it is convenient for the movement of the entire wind tunnel device; when the universal wheel assembly is folded, the device can be stably placed on the bottom plate for wind tunnel testing and other related operations, which can better meet the overall needs of drone testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the overall side-view three-dimensional structure of the utility model;
[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model as a whole from another perspective;
[0026] Figure 3 This is a schematic diagram of the structure of the height adjustment component of the utility model;
[0027] Figure 4 For this utility model Figure 1 Enlarged structural diagram at point A in the middle.
[0028] In the figure: 1. Base plate; 2. Height adjustment assembly; 21. Fixed frame; 22. First connecting rod; 23. Rotating rod 1; 24. Rotating rod 2; 25. Second connecting rod; 26. Connecting frame; 27. Rotating rod 3; 28. Threaded rod 1; 29. Rotating block; 3. Mounting plate; 4. Wind tunnel body; 5. Telescopic assembly; 51. Threaded rod 2; 52. Guide rod; 53. Cross bar; 6. Universal wheel assembly. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example
[0030] See also Figure 1-4 The utility model provides a technical solution: a wind tunnel device for testing unmanned aerial vehicles, comprising a base plate 1, height adjustment components 2 are installed on both sides of the upper end of the base plate 1, and the output ends of the two height adjustment components 2 are commonly installed with a mounting plate 3, and the upper end of the mounting plate 3 is fixed with a wind tunnel body 4, and the two height adjustment components 2 are used to adjust the left and right height positions of the wind tunnel body 4; the height adjustment component 2 includes a fixing frame 21 fixedly installed on the base plate 1 and a connecting frame 26 located above the fixing frame 21, and the front and rear sides of the fixing frame 21 are both rotatably installed with a first connecting rod 22, and the upper end of the first connecting rod 22 is rotatable. A rotating rod 23 is rotatably mounted on the middle part of the rotating rod 23, and a second connecting rod 25 is rotatably mounted on the middle part of the rotating rod 23. The upper ends of the front and rear second connecting rods 25 are rotatably mounted on the front and rear sides of the connecting frame 26 respectively. At the same time, a rotating rod 3 27 is rotatably mounted on the upper end of the connecting frame 26. The rotating rod 3 27 is fixedly mounted below the mounting plate 3. The rotating rod 1 23 and the rotating rod 2 24 are parallel to each other, and the rotating rod 1 23 and the rotating rod 3 27 are perpendicular to each other. A threaded rod 28 is mounted on the internal bearing of the rotating rod 23, and the middle part of the threaded rod 28 is threadedly sleeved inside the rotating rod 2 24, and a rotating block 29 is fixed to the front end of the threaded rod 28.
[0031] Rotating the rotary block 29 drives the threaded rod 1 28 to rotate. Since the position of the rotating rod 24 is relatively fixed, the rotating rod 1 23 will produce axial movement under the action of the thread, and then through the linkage of the first connecting rod 22, the second connecting rod 25 and other connecting rod structures, it drives the connecting frame 26 to move up and down, so that the left and right height positions of the mounting plate 3 and the wind tunnel body 4 can be adjusted. When adjusting the left and right height positions, the two height adjustment components 2 can be operated synchronously or asynchronously. When operating synchronously, the horizontal height of the wind tunnel body 4 can be raised or lowered as a whole; when operating asynchronously, the wind tunnel body 4 can be made to have a certain tilt angle. This tilt angle adjustment is very critical when simulating crosswinds or complex wind direction environments. The wind tunnel body 4 can perform operations in different wind directions, thereby increasing the test range of the drone.
[0032] A telescopic assembly 5 is installed on both sides of the base plate 1, and a universal wheel assembly 6 is installed at the output end of the telescopic assembly 5. The telescopic assembly 5 is used to drive the universal wheel assembly 6 to move up and down; the telescopic assembly 5 includes a second threaded rod 51 installed on the upper end of the base plate 1 through a bearing and a guide rod 52 fixedly installed on the upper end of the base plate 1. The middle parts of the second threaded rod 51 and the guide rod 52 are jointly sleeved with a cross bar 53, and the cross bar 53 is threadedly connected to the second threaded rod 51, and the cross bar 53 and the guide rod 52 form a fitting sliding structure; the upper end of the universal wheel assembly 6 is installed at the end of the cross bar 53, and there are two universal wheel assemblies 6 symmetrically distributed front and back about the center of the cross bar 53;
[0033] By rotating the threaded rod 51, the cross bar 53 will move up and down along the guide rod 52 under the guidance of the threaded transmission and the guide rod 52, thereby realizing the folding or lowering of the universal wheel assembly 6. When the universal wheel assembly 6 is lowered, it is convenient to move the entire wind tunnel device; when the universal wheel assembly 6 is folded, the device can be stably placed on the base plate 1 for wind tunnel testing and other related operations, and the overall device can better meet the relevant needs of drone testing.
[0034] Working principle: When using the drone to test the wind tunnel device, Figure 1-4 As shown, by rotating the threaded rod 2 51, the universal wheel assembly 6 is driven to move downward through the cross bar 53, thereby facilitating the movement of the entire wind tunnel device. When it moves to the appropriate position, the threaded rod 2 51 is rotated in the opposite direction to retract the universal wheel assembly 6, so that the device can be stably placed on the base plate 1 for wind tunnel testing and other related operations. Subsequently, the UAV can be tested through the wind tunnel body 4, and the left and right height positions of the wind tunnel body 4 are adjusted by the left and right height adjustment assemblies 2. When adjusting the left and right height positions, the two height adjustment assemblies 2 can be operated synchronously or asynchronously. When operated synchronously, the horizontal height of the wind tunnel body 4 can be raised or lowered as a whole; when operated asynchronously, the wind tunnel body 4 can be tilted to a certain angle to simulate side winds or complex wind direction environments, thereby increasing the UAV test range.
[0035] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0036] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0037] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A wind tunnel device for testing unmanned aerial vehicles, characterized by: The device comprises a bottom plate (1), wherein height adjustment components (2) are installed on both left and right sides of the upper end of the bottom plate (1), and a mounting plate (3) is installed on the output ends of the two height adjustment components (2), and a wind tunnel body (4) is fixed to the upper end of the mounting plate (3), and the two height adjustment components (2) are used to adjust the left and right height positions of the wind tunnel body (4); Telescopic assemblies (5) are installed on both the left and right sides of the base plate (1), and a universal wheel assembly (6) is installed at the output end of the telescopic assembly (5). The telescopic assembly (5) is used to drive the universal wheel assembly (6) to move up and down.
2. The UAV test wind tunnel device according to claim 1, characterized in that: The height adjustment assembly (2) includes a fixing frame (21) fixedly mounted on the base plate (1) and a connecting frame (26) located above the fixing frame (21), wherein the first connecting rod (22) is rotatably mounted on both the front and rear sides of the fixing frame (21), and the upper end of the first connecting rod (22) is rotatably mounted with a rotating rod 1 (23), and the middle part of the rotating rod 1 (23) is rotatably mounted with a second connecting rod (25), and the upper ends of the front and rear second connecting rods (25) are rotatably mounted on the front and rear sides of the connecting frame (26), and the upper end of the connecting frame (26) is rotatably mounted with a rotating rod 3 (27), and the rotating rod 3 (27) is fixedly mounted below the mounting plate (3).
3. The UAV test wind tunnel device according to claim 2, characterized in that: The rotating rod 1 (23) and the rotating rod 2 (24) are parallel to each other, and the rotating rod 1 (23) and the rotating rod 3 (27) are perpendicular to each other.
4. The UAV test wind tunnel device according to claim 2, characterized in that: The inner bearing of the rotating rod 1 (23) is installed with a threaded rod 1 (28), and the middle thread of the threaded rod 1 (28) is sleeved inside the rotating rod 2 (24), and a rotating block (29) is fixed at the front end of the threaded rod 1 (28).
5. The UAV test wind tunnel device according to claim 1, characterized in that: The telescopic assembly (5) comprises a second threaded rod (51) mounted on the upper end of the base plate (1) via a bearing and a guide rod (52) fixedly mounted on the upper end of the base plate (1). A cross rod (53) is sleeved on the middle portions of the second threaded rod (51) and the guide rod (52), and the cross rod (53) is threadedly connected to the second threaded rod (51). The cross rod (53) and the guide rod (52) form a fitting sliding structure.
6. The UAV test wind tunnel device according to claim 1, characterized in that: The upper end of the universal wheel assembly (6) is mounted on the end of the cross bar (53), and two universal wheel assemblies (6) are symmetrically distributed front and back about the center of the cross bar (53).