US-12625030-B2 - Multi-physics field coupling environment simulation device

US12625030B2US 12625030 B2US12625030 B2US 12625030B2US-12625030-B2

Abstract

The invention belongs to the technical field of wind tunnel simulation, and particularly relates to a multi-physics field coupling environment simulation device, which comprises a base, an upper surface of the base is fixedly connected with a simulation cabin, one side wall of the simulation cabin is provided with a plurality of horizontal flow fans, a plurality of rotating flow fans arranged around the simulation cabin by a circle are mounted on the upper surface of the base, and a top portion of the simulation cabin is provided with a plurality of vertical flow fans. The multi-physics field coupling environment simulation device of the invention is used for simulating complex environments of three-dimensional multi-physics field coupling under different weathers, which improves the diversity of wind tunnel tests.

Inventors

Jun Yang
Chen Zhao
Meng Liu
Qiuquan Guo
Caizheng WANG
Dongxing Zhang
Wenchao Xiao

Assignees

UESTC (SHENZHEN) ADVANCED RESEARCH INSTITUTE

Dates

Publication Date: 20260512
Application Date: 20250721
Priority Date: 20240524

Claims (11)

1 . A multi-physics field coupling environment simulation device, comprising a base ( 1 ), wherein an upper surface of the base ( 1 ) is fixedly connected with a simulation cabin ( 2 ), one side wall of the simulation cabin ( 2 ) is provided with a plurality of horizontal flow fans ( 3 ), a plurality of rotating flow fans ( 4 ) arranged around the simulation cabin ( 2 ) by a circle are mounted on the upper surface of the base ( 1 ), and a top portion of the simulation cabin ( 2 ) is provided with a plurality of vertical flow fans ( 5 ); the simulation cabin ( 2 ) is fixedly connected with a supporting frame ( 21 ) for supporting the horizontal flow fans ( 3 ), one side of the supporting frame ( 21 ) close to an interior of the simulation cabin ( 2 ) is fixedly connected with a first fixing frame ( 211 ), a plurality of first deflectors ( 2111 ) distributed in a vertical direction are rotatably connected in the first fixing frame ( 211 ), the upper surface of the base ( 1 ) is fixedly connected with a plurality of second fixing frames ( 12 ), and each second fixing frame ( 12 ) is rotatably connected with a plurality of second deflectors ( 121 ) distributed in a horizontal direction; the top portion of the simulation cabin ( 2 ) is fixedly connected with a fixed box ( 51 ) communicated with the vertical flow fans ( 5 ), the top portion of the simulation cabin ( 2 ) is provided with a ventilation hole ( 6 ) communicated with the fixed box ( 51 ), a hood ( 24 ) is fixedly connected inside the top portion of the simulation cabin ( 2 ), a bottom portion of the hood ( 24 ) is provided with a sliding groove ( 241 ), a moving plate ( 242 ) is arranged in the hood ( 24 ), a bottom portion of the moving plate ( 242 ) is connected with a connecting tube ( 243 ) which is communicated with the moving plate ( 252 ) and penetrates through the sliding groove ( 241 ), and a bottom portion of the connecting tube ( 243 ) is fixedly connected with an air outlet tube ( 2431 ); a first driving assembly ( 2112 ) for adjusting an angle of the first deflector ( 2111 ) is arranged between the first fixing frame ( 211 ) and the first deflector ( 2111 ); a second driving assembly ( 122 ) for adjusting an angle of the second deflector ( 121 ) is arranged between the second fixing frame ( 12 ) and the second deflector ( 121 ); a moving assembly ( 244 ) for driving the moving plate ( 242 ) to move is arranged between the moving plate ( 242 ) and the hood ( 24 ); and a pair of side walls of the connecting tube ( 243 ) are slidably inserted with a pair of wind shields ( 2432 ) respectively, and an opening and closing assembly ( 2433 ) is arranged between each wind shield ( 2432 ) and the side wall of the connecting tube ( 243 ).
2 . The multi-physics field coupling environment simulation device according to claim 1 , wherein a moving frame ( 13 ) is arranged in the simulation cabin ( 2 ), and a plurality of moving fans ( 131 ) are mounted on the moving frame ( 13 ).
3 . The multi-physics field coupling environment simulation device according to claim 2 , wherein a spray nozzle ( 25 ), a refrigerating module ( 26 ), a heating module ( 27 ), an illuminating module ( 28 ) and a snowing module ( 29 ) are mounted in the simulation cabin ( 2 ).
4 . The multi-physics field coupling environment simulation device according to claim 2 , wherein the base ( 1 ) is provided with a rotary table ( 14 ).
5 . The multi-physics field coupling environment simulation device according to claim 1 , wherein the upper surface of the base ( 1 ) is fixedly connected with a cabin body ( 11 ) arranged outside the simulation cabin ( 2 ).
6 . The multi-physics field coupling environment simulation device according to claim 1 , wherein a spray nozzle ( 25 ), a refrigerating module ( 26 ), a heating module ( 27 ), an illuminating module ( 28 ) and a snowing module ( 29 ) are mounted in the simulation cabin ( 2 ).
7 . The multi-physics field coupling environment simulation device according to claim 1 , wherein a stretchable plate ( 2421 ) for covering the sliding groove ( 241 ) is arranged between a side wall of the moving plate ( 242 ) and an inner wall of the hood ( 24 ).
8 . The multi-physics field coupling environment simulation device according to claim 1 , wherein the first driving assembly ( 2112 ) comprises a first motor ( 21121 ) fixedly connected with a side wall of the first fixing frame ( 211 ), an output shaft of the first motor ( 21121 ) is fixedly connected with a first synchronous pulley ( 21122 ), a side wall of the first deflector ( 2111 ) is fixedly connected with a first rotating rod ( 21123 ) rotatably connected with the first fixing frame ( 211 ), the first rotating rod ( 21123 ) is fixedly connected with a second synchronous pulley ( 21124 ), and the first synchronous pulley ( 21122 ) and the second synchronous pulley ( 21124 ) are connected by a first synchronous belt ( 21125 ).
9 . The multi-physics field coupling environment simulation device according to claim 1 , wherein the second driving assembly ( 122 ) comprises a second motor ( 1221 ) fixedly connected with a side wall of the second fixing frame ( 12 ), an output shaft of the second motor ( 1221 ) is fixedly connected with a third synchronous pulley ( 1222 ), a side wall of the second deflector ( 121 ) is fixedly connected with a second rotating rod ( 1223 ) rotatably connected with the second fixing frame ( 12 ), the second rotating rod ( 1223 ) is fixedly connected with a fourth synchronous pulley ( 12224 ), and the third synchronous pulley ( 1222 ) and the fourth synchronous pulley ( 1224 ) are connected by a second synchronous belt ( 1225 ).
10 . The multi-physics field coupling environment simulation device according to claim 1 , wherein the moving assembly ( 244 ) comprises a pair of sliding rails ( 2441 ) fixedly connected with an inner wall of the bottom portion of the hood ( 24 ), a lower surface of the moving plate ( 242 ) is fixedly connected with a slider ( 2442 ) corresponding to the sliding rail ( 2441 ), a lower surface of the slider ( 2442 ) is provided with a reserved groove ( 2443 ), a plurality of rotating wheels ( 2444 ) abutting against the sliding rail ( 2441 ) are arranged in the reserved groove ( 2443 ), a side wall of the slider ( 2442 ) is fixedly connected with a third motor ( 2445 ) corresponding to the rotating wheels ( 2444 ), and an output shaft of the third motor ( 2445 ) is fixedly connected with the rotating wheels ( 2444 ).
11 . The multi-physics field coupling environment simulation device according to claim 1 , wherein the opening and closing assembly ( 2433 ) comprises a fourth motor ( 24331 ) fixedly connected with the side wall of the connecting tube ( 243 ), an output shaft of the fourth motor ( 24331 ) is fixedly connected with a gear ( 24332 ), a lower surface of the wind shield ( 2432 ) is fixedly connected with a rack ( 24333 ) engaged with the gear ( 24332 ), and the rack ( 24333 ) is slidably inserted with the connecting tube ( 243 ).

Description

RELATED APPLICATIONS This application claims the benefit of priority of Chinese application number 202410651137.7, filed on May 24, 2024. The entire contents of the above-mentioned applications are incorporated herein by reference. TECHNICAL FIELD The present invention belongs to the technical field of wind tunnel simulation, and is particularly a multi-physics field coupling environment simulation device. BACKGROUND Low-altitude flight equipment is more and more widely used in daily life, such as a multi-rotor unmanned aerial vehicle, and a flying car or a future urban aircraft is also a hot topic and a research and development direction nowadays. In a taking off or flying process of the low-altitude flight equipment, a surrounding wind environment is an important factor affecting the flight equipment, so that people need to simulate a surrounding wind field environment during working of the flight equipment through a wind tunnel. The wind tunnel is the most commonly used and effective tool to artificially generate and control an air flow, and carry out aerodynamics and wind engineering tests, people test the flight equipment in many aspects such as free flight testing, landing phase optimization, vertical take-off and landing transition in flight, and flight stability through the wind tunnel, and then the flight equipment is designed, tested and optimized. However, at present, in most common wind tunnel tests, a single-dimensional wind field is adopted, which can only simulate an aerodynamic influence of a single wind field on the flight equipment, and cannot simulate a common complex wind field environment in nature, so that there are certain limitations. SUMMARY In order to solve the above problems in the background, the present invention provides a multi-physics field coupling environment simulation device, wherein testers simulate other wind field environments in nature through the cooperation of vertical flow fans, horizontal flow fans and rotating flow fans according to actual needs, and common complex wind field environments in nature may be simulated through the cooperation of the vertical flow fans, the horizontal flow fans and the rotating flow fans, thus achieving an effect of improving the diversity of wind tunnel tests. The present invention provides a multi-physics field coupling environment simulation device, which comprises a base, wherein an upper surface of the base is fixedly connected with a simulation cabin, one side wall of the simulation cabin is provided with a plurality of horizontal flow fans, a plurality of rotating flow fans arranged around the simulation cabin by a circle are mounted on the upper surface of the base, and a top portion of the simulation cabin is provided with a plurality of vertical flow fans. Further, the simulation cabin is fixedly connected with a supporting frame for supporting the horizontal flow fans, one side of the supporting frame close to an interior of the simulation cabin is fixedly connected with a first fixing frame, a plurality of first deflectors distributed in a vertical direction are rotatably connected in the first fixing frame, the upper surface of the base is fixedly connected with a plurality of second fixing frames, and each second fixing frame is rotatably connected with a plurality of second deflectors distributed in a horizontal direction. Further, the top portion of the simulation cabin is fixedly connected with a fixed box communicated with the vertical flow fans, the top portion of the simulation cabin is provided with a ventilation hole communicated with the fixed box, a hood is fixedly connected inside the top portion of the simulation cabin, a bottom portion of the hood is provided with a sliding groove, a moving plate is arranged in the hood a bottom portion of the moving plate is connected with a connecting tube which is communicated with the moving plate and penetrates through the sliding groove, and a bottom portion of the connecting tube is fixedly connected with an air outlet tube. Further, a moving frame is arranged in the simulation cabin, and a plurality of moving fans are mounted on the moving frame. Further, the upper surface of the base is fixedly connected with a cabin body arranged outside the simulation cabin. Further, a spray nozzle, a refrigerating module, a heating module, an illuminating module and a snowing module are mounted in the simulation cabin. Further, the base is provided with a rotary table. Further, a stretchable plate for covering the sliding groove is arranged between a side wall of the moving plate and an inner wall of the hood. Further, a first driving assembly for adjusting an angle of the first deflector is arranged between the first fixing frame and the first deflector. Further, a second driving assembly for adjusting an angle of the second deflector is arranged between the second fixing frame and the second deflector. Further, a moving assembly for driving the moving plate to move is arranged