CN114241865B - Single flapping wing experimental device for hydrodynamic performance research - Google Patents
Single flapping wing experimental device for hydrodynamic performance research Download PDFInfo
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- CN114241865B CN114241865B CN202111591881.5A CN202111591881A CN114241865B CN 114241865 B CN114241865 B CN 114241865B CN 202111591881 A CN202111591881 A CN 202111591881A CN 114241865 B CN114241865 B CN 114241865B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
Abstract
The invention provides a single-flapping-wing experimental device for hydrodynamic performance research, which comprises a frame, two linear sliding tables, a linear rail, a steering engine, a flapping wing, a motor and a camera, wherein the two linear sliding tables are arranged on the frame; the two linear sliding tables are fixed on two sides of the top of the frame in parallel; two ends of the linear rail can be connected to the two linear sliding tables in a sliding manner along the length direction of the linear sliding tables, and the motor is in transmission connection with the linear rail; the flapping wings are fixed below the linear rail through steering engines; the camera is fixed right above the center of the frame; the steering engine, the motor and the camera are connected with a controller. The single flapping wing experimental device for hydrodynamic performance research can realize an automatic reset function and effectively improve the working efficiency; a wave-absorbing beach is arranged to eliminate wave reflection influence; the specific positions of the reported single flapping wings at all time points can be monitored in real time through the cooperation of the camera and the controller, and specific data under various running tracks can be provided when the flapping wings slide.
Description
Technical Field
The invention relates to the field of hydrodynamics, in particular to a single flapping wing experimental device for hydrodynamics hydrodynamic performance research.
Background
When testing the hydrodynamic fluid mechanics related performance of the ornithopter, the related field generally uses the traditional fluid mechanics test method to test each group of test parameters in sequence, but the traditional test method has the following problems:
1. the traditional experimental equipment in the prior art often needs technicians to set parameters in sequence, record data after each experiment, reset the device, and needs to consume a great deal of manpower, material resources and time to repeat and contrast in order to obtain experimental results, and has low working efficiency and high time cost.
2. In the traditional experiment, the single movement of the ornithopter needs to traverse the same whole section of track to realize the experimental integrity and reliability.
3. Wave motion can be caused by flapping wing operation in a traditional experiment, and the hydrodynamic performance evaluation of the flapping wing can be influenced by reflected waves.
Aiming at the problems, innovative design is needed on the basis of original traditional fluid mechanics experimental equipment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a single flapping wing experimental device for hydrodynamic performance research, which aims to solve the problems that a technician is required to set parameters in sequence and record data after each experiment and reset the device when traditional hydrodynamic experimental equipment is subjected to experiments, and the single movement of the flapping wing in the traditional experiments is required to traverse the same whole section of track to realize the experimental integrity and reliability, so that the working efficiency of the experiments is low, the time cost is high and the experiment flow track is single.
In order to achieve the aim, the invention provides a single-flapping-wing experimental device for hydrodynamic performance research, which comprises a frame, two linear sliding tables, a linear track, a steering engine, a flapping wing, a motor and a camera; the two linear sliding tables are fixed on two sides of the top of the frame in parallel; the two ends of the linear track can be connected to the two linear sliding tables in a sliding manner along the length direction of the linear sliding tables, and the motor is in transmission connection with the linear track; the flapping wings are fixed below the linear rail through the steering engine; the camera is fixed right above the center of the frame; the steering engine, the motor and the camera are connected with a controller.
Preferably, the device further comprises a wave-absorbing beach which is perpendicular to the two linear sliding tables and is fixed in the frame and positioned at the tail end of the frame.
Preferably, the camera is fixed right above the center of the frame through a connecting bracket, and the connecting bracket is connected with the frame.
Preferably, the frame comprises a truss and the truss forms a cuboid frame and four piles.
Preferably, the two linear sliding tables are symmetrically distributed along the central line of the frame.
Preferably, a position sensor is mounted at the end of the frame, and the position sensor is connected with the controller.
The invention adopts the technical proposal, which has the following beneficial effects:
1. through the cooperation of motor, sharp slip table, straight line track, position sensor and controller, realized the automatic re-setting function of device, effectively promoted work efficiency, practiced thrift the time cost.
2. The wave-absorbing beach is arranged to eliminate wave reflection influence, so that the anti-interference performance and the accuracy of the experimental device are improved.
3. The specific positions of the reported single flapping wings at all time points can be monitored in real time through the cooperation of the camera and the controller, and specific data under various running tracks can be provided when the flapping wings slide.
Drawings
FIG. 1 is a schematic structural diagram of a single-flapping-wing experimental apparatus for hydrodynamic performance study according to an embodiment of the invention.
Detailed Description
The following description of the preferred embodiment of the present invention will be given with reference to fig. 1 of the accompanying drawings, so that the function and features of the present invention can be better understood.
Referring to fig. 1, a single flapping wing experimental device for hydrodynamic performance research in an embodiment of the invention includes a frame 1, two linear sliding tables 2, a linear rail 3, a steering engine 4, a flapping wing 5, a motor 6 and a camera 7; the two linear sliding tables 2 are fixed on two sides of the top of the frame 1 in parallel; two ends of the linear track 3 can be connected to the two linear sliding tables 2 in a sliding manner along the length direction of the linear sliding tables 2, and the motor 6 is in transmission connection with the linear track 3; the flapping wings 5 are fixed below the linear rail 3 through steering engines 4; the camera 7 is fixed right above the center of the frame 1; the steering engine 4, the motor 6 and the camera 7 are connected with a controller.
The wave-absorbing device further comprises a wave-absorbing beach 8, wherein the wave-absorbing beach 8 is perpendicular to the two linear sliding tables 2 and is fixed in the frame 1 and positioned at the tail end of the frame 1 so as to eliminate wave reflection.
The camera 7 is fixed right above the center of the frame 1 through a connecting bracket, and the connecting bracket is connected with the frame 1.
The frame 1 comprises a truss and is formed into a cuboid frame and four legs.
The two linear sliding tables 2 are symmetrically distributed along the central line of the frame 1.
The tail end of the frame 1 is provided with a position sensor which is connected with a controller. When the flapping wings 5 move to the tail end of the linear sliding table 2, the position sensor or the user control medium gives an instruction to the motor 6, and the driving power of the motor 6 is changed to realize the reset function.
The single flapping wing experimental device for hydrodynamic performance research comprises a shifting device, a tracking device and a frame 1, wherein the frame 1 is in a rectangular frame form and is of four-leg type, the frame 1 is provided with the shifting device on two long sides in the length direction, the shifting device is capable of achieving longitudinal shifting performance through two linear sliding tables 2, a linear track 3 is arranged between the two linear sliding tables 2, a steering engine 4 and a flapping wing 5 are arranged on the linear track 3, the tracking device achieves capturing and positioning through a camera 7 arranged vertically above a central shaft of the frame 1, when the flapping wing 5 reaches the tail end of the linear sliding table 2, a positioning device starts an instruction to a motor 6 through a position sensor and a user control medium, driving power of the motor 6 is changed to achieve a resetting function, and a wave elimination beach 8 is arranged at the tail end position of the device to eliminate wave reflection. The device is used for researching the hydrodynamic related indexes such as hydrodynamic performance of the single flapping wing and the like through experimental result acquisition when the inclination angle and the relative position of the flapping wing 5 are changed.
Working principle: firstly, an operator moves a single flapping wing experimental device into a water tank, experimental equipment is connected with a host machine required by an experiment, a related algorithm is led in to set the experimental working condition, further, the operation of a steering engine 4 is controlled, the flapping wing 5 is driven by the steering engine 4 to freely slide on a linear sliding table 2 along the length direction of a rack 1 through a rack meshing structure, meanwhile, the steering engine 4 can also drive a rotating shaft to rotate to control the inclination angle of the flapping wing 5, a camera 7 monitors the position and the running track of the flapping wing 5 in real time, automatic reset is completed along the linear sliding table 2 according to user setting after the single experiment is completed, the transverse sliding and the longitudinal sliding of the flapping wing 5 are not mutually influenced, wave reflection generated in the sliding process of the flapping wing 5 is eliminated when encountering a wave beach 8, therefore, the device effectively improves the working efficiency, saves the time cost, increases the possibility of the experimental track, and improves the anti-interference performance and the accuracy of the experimental device to study the hydrodynamic performance of the flapping wing 5.
The present invention has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the invention based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the invention, which is defined by the appended claims.
Claims (4)
1. A single flapping wing experimental device for hydrodynamic performance research is characterized by comprising a frame, two linear sliding tables, a linear rail, a steering engine, a flapping wing, a motor and a camera; the two linear sliding tables are fixed on two sides of the top of the frame in parallel; the two ends of the linear track can be connected to the two linear sliding tables in a sliding manner along the length direction of the linear sliding tables, and the motor is in transmission connection with the linear track; the flapping wings are fixed below the linear rail through the steering engine; the camera is fixed right above the center of the frame; the steering engine, the motor and the camera are connected with a controller;
the wave-absorbing beach is perpendicular to the two linear sliding tables and is fixed in the rack and positioned at the tail end of the rack;
the tail end of the frame is provided with a position sensor which is connected with the controller.
2. The single-flapping-wing experimental device for hydrodynamic performance research of claim 1, wherein the camera is fixed directly above the center of the frame by a connecting bracket, and the connecting bracket is connected with the frame.
3. The single-flapping-wing experimental device for hydrodynamic performance study according to claim 1, wherein the frame comprises a truss and a rectangular frame and four legs are formed by the truss.
4. The single-flapping-wing experimental device for hydrodynamic performance study according to claim 1, wherein two linear sliding tables are symmetrically distributed along the center line of the frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111591881.5A CN114241865B (en) | 2021-12-23 | 2021-12-23 | Single flapping wing experimental device for hydrodynamic performance research |
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| CN114241865B true CN114241865B (en) | 2023-05-26 |
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| CN115508048A (en) * | 2022-10-26 | 2022-12-23 | 上海交通大学 | Automatic positioning and moving device for ocean engineering wave water tank test |
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| US7682155B2 (en) * | 2005-11-03 | 2010-03-23 | Meridian Medical Technologies, Inc. | Training device for an automatic injector |
| CN104482967B (en) * | 2015-01-14 | 2017-01-11 | 东北大学 | Flight parameter testing device of micro-miniature flapping wing air vehicle |
| CN104809943B (en) * | 2015-05-18 | 2017-05-31 | 中国人民解放军海军工程大学 | Wing rises resistance experimental provision |
| CN205122037U (en) * | 2015-11-02 | 2016-03-30 | 西北工业大学 | Experimental apparatus of multiple wing linkage under water |
| CN206441421U (en) * | 2016-08-31 | 2017-08-25 | 中国石油大学(北京) | Airfoil lift tests mechanism and the airplane ascensional force demonstrator with the mechanism |
| CN213070286U (en) * | 2020-07-02 | 2021-04-27 | 桂林理工大学 | Computer-controlled self-circulation flow spectrum streamline demonstration experimental device |
| CN113188756B (en) * | 2021-01-27 | 2024-03-08 | 西北工业大学 | Autonomous swimming ornithopter hydrodynamic performance test platform and test method |
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