CN113483986A

CN113483986A - Open/close double-structure breeze wind tunnel

Info

Publication number: CN113483986A
Application number: CN202111039897.5A
Authority: CN
Inventors: 沈飞
Original assignee: Nantong Zhengde Jianghai Machinery Manufacturing Co ltd
Current assignee: Nantong Zhengde Jianghai Machinery Manufacturing Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2021-10-08
Anticipated expiration: 2041-09-06
Also published as: CN113483986B

Abstract

The invention provides an open/close double-structure breeze wind tunnel, and relates to the technical field of wind tunnels. The invention provides an open/close double-structure breeze wind tunnel which comprises an outer cover, an air supply device, a rotating frame, a switching mechanism, a testing mechanism, an air supply base, a power supply base and accessories, wherein the outer side of the outer cover is uniformly and fixedly connected with the air supply device, the outer cover is uniformly provided with a rotating groove, the rotating groove is rotationally connected with the switching mechanism, the inner bottom end of the outer cover is provided with the testing mechanism, the bottom end of the testing mechanism is fixedly connected with the air supply base, the accessories are movably connected onto the testing mechanism of the power supply base, and the switching mechanism is used for preventing dust from being accumulated on air supply fan blades for a long time and influencing the blowing effect of the air supply fan blades.

Description

Open/close double-structure breeze wind tunnel

Technical Field

The invention relates to the technical field of wind tunnels, in particular to a breeze wind tunnel with an open/close double structure.

Background

Wind tunnel, wind tunnel laboratory, is a kind of pipe-shaped experimental equipment which is used to generate and control airflow in artificial mode, to simulate the flowing condition of air around aircraft or entity, and to measure the effect of airflow on entity and observe physical phenomena.

The existing breeze wind tunnel technology can only carry out single opening or closed wind tunnel experiments, and meanwhile, the breeze wind tunnel is pneumatic, and the air flow is slow, so that a large amount of dust is accumulated on the fan blades of the rear blowing fan after the wind tunnel is used for a long time, the effect of the air flow generated by the fan blades can be influenced, and the wind tunnel wall is too high, and the dust on the fan blades is also not convenient to clean.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a breeze wind tunnel with an open/close double-structure, which solves the problem that the effect of generated airflow is influenced while excessive dust accumulated on the fan blades of the wind tunnel is inconvenient to clean.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an open/close mouth dual construction breeze wind-tunnel, includes the dustcoat, air feeder, rotates the frame, the shifter, accredited testing organization, the air feed base, the power supply base, the accessory, the even fixedly connected with air feeder in the dustcoat outside evenly is equipped with the rotation fluting on the dustcoat, the rotation fluting internal rotation is connected with the shifter, the bottom is equipped with accredited testing organization in the dustcoat, accredited testing organization bottom fixedly connected with air feed base, the last swing joint of air feed base bottom fixedly connected with power supply base accredited testing organization has the accessory.

Preferably, accessory swing joint is at the connecting column seat on accredited testing organization top, connecting column seat top end fixedly connected with first model, can change the part on connecting column seat top according to the demand, change for the second model, the third model, the fourth model, wherein first model, second model and third model and fourth model can change the height according to the demand, connecting column seat bottom end fixedly connected with pipe that admits air, the pipe that admits air passes and link up between connecting column seat and first model and the third model, first model and the third model outside evenly are equipped with circular gas outlet, the inboard top fixedly connected with of rotating frame supplies the gas piece.

Preferably, the switching mechanism comprises air supply fan blades which are uniformly arranged on one side, close to the outer side, of the outer cover in the rotating frame, a supporting frame is fixedly connected to one side, far away from the inner side, of the air supply fan blades, the supporting frame is fixedly connected with the left side of the rotating frame, a collecting box is fixedly connected to the bottom end of the inner side of the rotating frame, a bag body fence is arranged in one side, close to the inner side of the outer cover, of the rotating frame, the left side of the bag body fence is fixedly connected with the rotating frame, a connecting block is uniformly and fixedly connected to one side, far away from the inner side of the outer cover, of the bag body fence, an expansion bag is fixedly connected to one end, far away from the bag body fence, an elastic cleaning brush cluster is fixedly connected to one side, far away from the bag body fence, of the elastic cleaning brush cluster is provided with a fence, and a swing pipe is fixedly connected to the right side of the fence, the elastic cleaning brush cluster is fixedly connected with a collision block at the left end of one side close to the capsule fence, an L-shaped stop block is arranged at one side of the collision block close to the capsule fence, and the L-shaped stop block is fixedly connected with the rotating frame.

Preferably, fixed connection between utricule fence right side and the swing pipe, the part that swing pipe and utricule fence are connected is the metal material, other parts of swing pipe are the elastic rubber material, the connecting block sets up on utricule fence tubercle department, both sides are irregular tortuous wave in the swing pipe rubber material part, air feeder air feed end is connected with the pipe, the pipe passes the dustcoat and is close to top inner wall and rotates fixed connection between frame top and the air feed piece between frame top, fixed connection between utricule fence top and the air feed piece, link up between utricule fence and the swing pipe, air feeder air exhaust end is connected with the pipe equally, the pipe passes the dustcoat and is close to bottom inner wall and rotates frame bottom and collect fixed connection between the box, be equipped with the automatic valve between utricule fence and the swing pipe.

Preferably, the testing mechanism comprises a fixed seat arranged at the bottom end of the outer cover, square openings are uniformly arranged at the top end of the fixed seat, circular openings are arranged at the inner bottom end of each square opening, long blocks are fixedly connected at the inner edges and corners of each square opening, elastic capsules are uniformly and fixedly connected between the long blocks, smooth strips are fixedly connected at the other ends of the elastic capsules, a first chuck is fixedly connected in the circular opening close to the top end, the bottom end of the first chuck is rotatably connected with a rotating cylinder, an elastic connecting pipe is fixedly connected at the bottom end of the rotating cylinder, a magnetic cylinder is fixedly connected at the bottom end of the elastic connecting pipe, an air inlet ring is arranged at the magnetic cylinder close to the outer side, an adjusting spring is fixedly connected at the right side of the top end of the rotating cylinder close to the top end, spiral capsules are fixedly connected at the top end and the bottom end of an adjusting spring coil, a second chuck is fixedly connected with the bottom end of the spiral capsules, and the top end of the air inlet ring are rotatably connected, the first chuck outside is equipped with first fixed slot, and the second chuck outside is equipped with the second fixed slot.

Preferably, first fixed slot is the multilayer annular groove, multilayer annular groove left and right sides middle part is equipped with the bar opening, the second fixed slot is cylindrical groove, evenly be equipped with the arc piece on positive side of cylindrical groove and the rear side, it is connected to rotate between air feed ring bottom and the air feed base, fixed connection between air feed base and the power supply base is passed to magnetism column bottom, the circular siphunculus of adjustment spring and spiral utricule top fixedly connected with, link up between circular siphunculus and the rotation section of thick bamboo post, link up between rotation section of thick bamboo top and the first chuck top, be equipped with the cylinder groove in the first chuck top, cylinder groove diameter is the same with the pipe diameter that admits air, first chuck both sides are equipped with the kelly, positive side of second chuck and rear side are equipped with the kelly.

(III) advantageous effects

(1) According to the invention, through the bag body fence arranged in the conversion mechanism, when the wind tunnel is converted between the opening and the closing, the mode of the wind tunnel can be quickly converted only by inflating air into the bag body fence to expand the bag body fence to block the rotating frame, so that the wind direction and the convection direction can be freely converted when an experiment is carried out in a breeze environment, and the experimental result is more in line with the actual situation.

(2) According to the invention, through the bag-shaped fence, the connecting block, the expanding bag, the elastic cleaning brush cluster, the fence, the swinging pipe, the L-shaped stop block and the collision block which are arranged in the switching mechanism, under the action of the bag-shaped fence and air flow and under the cooperation of the air supply device, the elastic cleaning brush cluster can clean dust on the blades of the air supply fan and the fence, and the fence can continuously shake through the impact of the air flow on the inner wall of the swinging pipe, so that the cleaning effect on the dust on the fence is further enhanced, the dust is prevented from being accumulated on the air supply fan for a long time to influence the blowing effect of the air supply fan, and the excessive dust accumulated on the fence influences the blowing of the air flow in the rotating frame.

(3) According to the invention, through the elastic connecting pipe, the magnetic column, the air inlet ring, the adjusting spring, the spiral capsule body, the second chuck, the first fixing groove and the second fixing groove which are arranged in the testing mechanism, under the interaction among magnetic fields and the mutual attraction among currents, the spiral capsule body 0 can be extruded while the positions of the first model, the second model, the third model and the fourth model are adjusted, so that air can be ejected from the first model and the third model to simulate the movement of objects in a city to drive air to flow, and thus an experimental structure can be attached to the reality.

(4) According to the invention, the column base, the first model, the second model, the third model and the fourth model are connected in the accessory, so that the complex environment simulating cities and mountainous regions in the wind tunnel can be tested by replacing the first model, the second model, the third model and the fourth model, and the diversity of the test environment is increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the housing of the present invention;

FIG. 3 is a schematic view of a switching mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the fixing base of the present invention;

FIG. 5 is a schematic view of a switching mechanism of the present invention;

FIG. 6 is a top cross-sectional view of the shift mechanism of the present invention;

FIG. 7 is a schematic view of the fitting of the present invention.

The device comprises a housing 1, an air supply device 2, a rotating frame 3, a conversion mechanism 4, air supply fan blades 401, a support frame 402, a collection box 403, a bag body fence 404, a connecting block 405, an expansion bag 406, an elastic cleaning brush cluster 407, a fence 408, a swinging pipe 409, an L-shaped stop block 410, a collision block 411, a testing mechanism 5, a fixed seat 501, a long block 502, an elastic bag body 503, a smooth strip 504, a first chuck 505, a rotating cylinder 506, an elastic connecting pipe 507, a magnetic cylinder 508, an air inlet ring 509, an adjusting spring 510, a spiral bag body 511, a second chuck 512, a first fixing groove 513, a second fixing groove 514, an air supply base 6, an electric supply base 7, a fitting 8, a connecting cylinder seat 801, a first model 802, a second model 803, a third model 804 and a fourth model 805.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in FIGS. 1-7, an embodiment of the present invention provides an open/close dual-structure breeze wind tunnel, which comprises an outer cover 1, a gas supply device 2, a rotating frame 3, a switching mechanism 4, a testing mechanism 5, a gas supply base 6, a power supply base 7, an accessory 8, wherein the outer side of the outer cover 1 is uniformly and fixedly connected with the gas supply device 2, the outer cover 1 is uniformly provided with a rotating slot, the rotating slot is rotatably connected with the switching mechanism 4, the inner bottom end of the outer cover 1 is provided with the testing mechanism 5, the bottom end of the testing mechanism 5 is fixedly connected with the gas supply base 6, the bottom end of the gas supply base 6 is fixedly connected with the power supply base 7, the testing mechanism 5 is movably connected with the accessory 8, the accessory 8 is movably connected with a connecting column base 801 at the top end of the testing mechanism 5, the top end of the connecting column base 801 is fixedly connected with a first model 802, the top end of the connecting column base 801 can be replaced with a second model 803, a second model 802, and a third model with a third model 802 The height of the first model 802, the second model 803, the third model 804 and the fourth model 805 can be changed according to requirements, an air inlet circular pipe is fixedly connected to the bottom end of the connecting column base 801, the air inlet circular pipe penetrates through the connecting column base 801 and penetrates through the first model 802 and the third model 804, circular air outlets are uniformly arranged on the outer sides of the first model 802 and the third model 804, and an air supply block is fixedly connected to the top end of the inner side of the rotating frame 3.

The conversion mechanism 4 comprises air supply fan blades 401 which are uniformly arranged in the rotating frame 3 and close to one side of the outer cover 1, a support frame 402 is fixedly connected to one side of the air supply fan blades 401 far away from the inner side of the outer cover 1, the support frame 402 is fixedly connected with the left side of the rotating frame 3, a collecting box 403 is fixedly connected to the bottom end of the inner side of the rotating frame 3, a capsule fence 404 is arranged in one side of the rotating frame 3 close to the inner side of the outer cover 1, the left side of the capsule fence 404 is fixedly connected with the rotating frame 3, a connecting block 405 is uniformly and fixedly connected to one side of the capsule fence 404 far away from the outer cover 1, an expansion bag 406 is fixedly connected to one side of the expansion bag 406 far away from the capsule fence 404, an elastic cleaning brush cluster 407 is also fixedly connected between the connecting blocks 405 on one side of the capsule fence 404 far away from the inner side of the outer cover 1, a fence 408 is arranged on one side of the elastic cleaning brush cluster 407 far away from the capsule fence 404, the right side of the fence 408 is fixedly connected with a swing pipe 409, the left end of one side of the elastic cleaning brush cluster 407 close to the capsule fence 404 is fixedly connected with a collision block 411, one side of the collision block 411 close to the capsule fence 404 is provided with an L-shaped stop block 410, the L-shaped stop block 410 is fixedly connected with the rotating frame 3, the right side of the capsule fence 404 is fixedly connected with the swing pipe 409, the part of the swing pipe 409 connected with the capsule fence 404 is made of metal material, the other part of the swing pipe 409 is made of elastic rubber material, a connecting block 405 is arranged on the knot of the capsule fence 404, two sides in the rubber material part of the swing pipe 409 are in irregular zigzag wave shape, the air supply end of the air supply device 2 is connected with a guide pipe, the guide pipe penetrates through the inner wall of the outer cover 1 close to the top end and is fixedly connected with the air supply block at the top end of the rotating frame 3, the top end of the capsule fence 404 is fixedly connected with the air supply block, and the capsule fence 404 is communicated with the swing pipe 409, the air suction end of the air supply device 2 is also connected with a conduit which passes through the inner wall of the outer cover 1 close to the bottom end and is fixedly connected with the bottom end of the rotating frame 3 and the collecting box 403, and an automatic valve is arranged between the bag body fence 404 and the swinging pipe 409.

The testing mechanism 5 comprises a fixed seat 501 arranged at the bottom end of the outer cover 1, the top end of the fixed seat 501 is uniformly provided with a square opening, the inner bottom end of the square opening is provided with a round opening, the inner edge of the square opening is fixedly connected with a long block 502, an elastic capsule body 503 is uniformly and fixedly connected between the long blocks 502, the other end of the elastic capsule body 503 is fixedly connected with a smooth strip 504, the round opening is internally and fixedly connected with a first chuck 505 close to the top end, the bottom end of the first chuck 505 is rotatably connected with a rotating cylinder 506, the bottom end of the rotating cylinder 506 is fixedly connected with an elastic connecting pipe 507, the bottom end of the elastic connecting pipe 507 is fixedly connected with a magnetic column 508, the magnetic column 508 is provided with an air inlet ring 509 close to the outer side, the rotating cylinder 506 is fixedly connected with an adjusting spring 510 close to the right side of the top end, the coil top end and the bottom end of the adjusting spring 510 are fixedly connected with a spiral capsule body 511, and the bottom end of the adjusting spring 510 and the spiral capsule body 511 are fixedly connected with a second chuck 512, the bottom end of the second chuck 512 is rotatably connected with the top end of the air inlet ring 509, a first fixing groove 513 is arranged on the outer side of the first chuck 505, a second fixing groove 514 is arranged on the outer side of the second chuck 512, the first fixing groove 513 is a multilayer annular groove, a strip-shaped opening is arranged in the middle of the left side and the right side of the multilayer annular groove, the second fixing groove 514 is a cylindrical groove, arc-shaped blocks are uniformly arranged on the front side and the rear side of the cylindrical groove, the bottom end of the air inlet ring 509 is rotatably connected with the air supply base 6, the bottom end of the magnetic column 508 passes through the air supply base 6 and is fixedly connected with the power supply base 7, a circular through pipe is fixedly connected with the top ends of the adjusting spring 510 and the spiral bag body 511, the circular through pipe is communicated with the rotating cylinder column 506, the top end of the rotating cylinder column 506 is communicated with the top end of the first chuck 505, a cylindrical groove is arranged in the top end of the first chuck 505, the diameter of the cylindrical groove is the same as that of the air inlet pipe, clamping rods are arranged on the two sides of the first chuck 505, the front and rear sides of the second chuck 512 are provided with chucking rods.

When the adjustable elastic capsule body is used, the first model 802, the second model 803, the third model 804 and the fourth model 805 are placed above the elastic capsule body 503 according to different experimental environments, so that the connecting column base 801 is placed in the circular opening, the air inlet circular pipe at the bottom end of the connecting column base 801 is placed in the cylindrical groove at the top end of the first chuck 505 after the connecting column base 801 is placed in the circular opening, the clamping rods at two sides of the first chuck 505 are placed in the strip-shaped opening in an initial state, at the moment, current is introduced into the adjusting spring 510, the adjusting spring 510 enables the coils of the adjusting spring 510 to be close to each other under the action of mutual attraction between the currents after the currents are introduced between the coils, at the moment, the clamping rods on the second chuck 512 are positioned between the arc-shaped blocks, the top end of the adjusting spring 510 can adjust the depth of the connecting column base 801 placed in the circular opening through the first chuck 505 in an up-and-down moving mode according to experimental data in the experimental process The heights of the model 802, the second model 803, the third model 804 and the fourth model 805 are randomly adjusted to make experimental data more fit to the real environment, and when the first model 802, the second model 803, the third model 804 and the fourth model 805 are placed among the elastic bladders 503, the elastic bladders 503 push the smooth strips 504 to cling to the outer sides of the inner parts of the square openings, so as to reduce the intervals among the first model 802, the second model 803, the third model 804 and the fourth model 805, prevent excessive intervals among the first model 802, the second model 803, the third model 804 and the fourth model 805 and the square openings from influencing the flow of air flow in the wind tunnel, thereby influencing experimental results, and simultaneously after the positions of the first model 802, the second model 803, the third model 804 and the fourth model 805 are fixed, intermittently supplying current into the magnetic column 508 to rotate the adjusting spring 510 ninety degrees at the top end of the magnetic column 508 under the interaction of the magnetic field between the magnetic column 508 and the adjusting spring 510, so that the clamping rod on the second chuck 512 is placed at two sides of the second fixing groove 514 and is not blocked by the arc-shaped blocks, at the moment, the clamping rod on the first chuck 505 is placed between the multiple layers of annular grooves, after the adjusting spring 510 finishes rotating, the current is stopped from being supplied into the magnetic column 508, the intensity of the current supplied into the adjusting spring 510 is increased, so that the adjusting spring 510 contracts to press the spiral capsule 511, the air in the spiral capsule 511 is squeezed into the first model 802 and the third model 804 through the rotating cylinder 506 and the first chuck 505, the air flow is sprayed out of the first model 802 and the third model 804, the air in the spiral capsule 511 is supplemented through the air supply base 6 and the air inlet ring 509 after being completely squeezed out, and the current is led into the adjusting spring 510 intermittently to make the first model 802 and the third model 804 have the airflow to spout intermittently, thereby the first model 802 and the third model 804 can imitate the flowing of the airflow driven by the movement of the object in the urban environment, and the experimental result is further close to the actual situation.

When breeze is blown into the outer cover 1 by rotating the air supply fan blade 401, air can be filled into the bag body fence 404 in other directions except the required wind direction through the air supply device 2 according to the wind direction requirement, the bag body fence 404 is continuously expanded to block the inner side of the rotating frame 3, thereby forming a closed wind tunnel in the outer cover 1, when the multidirectional wind direction is required to be used, the closed wind tunnel can be converted into an open wind tunnel by repeating the steps, when the wind direction is required to be adjusted, the wind direction can be adjusted through the rotating frame 3, when dust on the air supply fan blade 401 and the fence 408 needs to be cleaned after the experiment is finished, the air is filled into the bag body fence 404 through the air supply device 2, the bag body fence 404 is expanded to block the inner side of the rotating frame 3, and simultaneously the bag body fence 404 is expanded to enable part of air in the bag body 404 to enter the expansion bag 406 to expand the expansion bag 406, after the expansion bag 406 is expanded, the side of the elastic cleaning brush cluster 407 far away from the expansion bag 406 is expanded so as to increase the coverage area of the elastic cleaning brush cluster 407, meanwhile, the bag-shaped fence 404 is expanded to push the elastic cleaning brush cluster 407 to move towards the side where the air supply fan blade 401 is located so that the elastic cleaning brush cluster 407 passes through the fence 408 to be clung to the fan blade of the air supply fan blade 401, the air supply fan blade 401 is started to rotate the fan blade of the air supply fan blade 401, the fan blade of the air supply fan blade 401 rotates and rubs with the elastic cleaning brush cluster 407 to clean the dust on the fan blade of the elastic cleaning brush cluster 407, the fan blade of the elastic cleaning brush cluster 407 rubs with the air supply fan blade 401 during the rotation process and stirs the elastic cleaning brush cluster 407 through the fan blade 401 to make the elastic cleaning brush cluster shake continuously and the friction with the dust on the fence 408 to clean the dust, after the dust on the fence 408 and the fan blade 401 is cleaned, the automatic valve is opened to exhaust the air through the swing pipe 409, the air entering the swing pipe 409 continuously collides with the inner wall of the swing pipe 409 to enable the swing pipe 409 to continuously swing left and right, the swing pipe 409 swings left and right to drive the fence 408 and the collision block 411 to move left and right to collide with the L-shaped stop block 410, dust on the fence 408 is shaken off to enhance the cleaning effect on the dust on the fence 408, meanwhile, the air suction end of the air supply device 2 is started to suck the air above the collection box 403 into the collection box 403 through the collection box 403 to collect the cleaned dust in the rotating frame 3 above the collection box 403, and the dust is prevented from entering the wind tunnel to influence the environment in the wind tunnel.

Claims

1. The utility model provides an open/close mouth dual structure breeze wind-tunnel, includes dustcoat (1), air feeder (2), rotates frame (3), shifter (4), accredited testing organization (5), air feed base (6), power supply base (7), accessory (8), its characterized in that: the outer side of the outer cover (1) is uniformly and fixedly connected with an air supply device (2), the outer cover (1) is uniformly provided with a rotary groove, the rotary groove is rotatably connected with a conversion mechanism (4), the inner bottom end of the outer cover (1) is provided with a testing mechanism (5), the bottom end of the testing mechanism (5) is fixedly connected with an air supply base (6), and the bottom end of the air supply base (6) is fixedly connected with a power supply base (7), and the testing mechanism (5) is movably connected with an accessory (8);

accessory (8) swing joint is at connecting post seat (801) on testing mechanism (5) top, connecting post seat (801) top fixedly connected with first model (802), can change the part on connecting post seat (801) top according to the demand, change for second model (803), third model (804), fourth model (805), wherein first model (802), second model (803) and third model (804) and fourth model (805) can change the height according to the demand, connecting post seat (801) bottom fixedly connected with air inlet pipe, air inlet pipe passes and link up between connecting post seat (801) and first model (802) and third model (804), first model (802) and third model (804) outside evenly are equipped with circular gas outlet, rotate frame (3) inboard top fixedly connected with air feed block.

2. The breeze tunnel with an open/close double structure according to claim 1, characterized in that: the conversion mechanism (4) comprises air supply fan blades (401) which are uniformly arranged on one side of the rotating frame (3) close to the outer side of the outer cover (1), one side of the air supply fan blades (401) far away from the inner side of the outer cover (1) is fixedly connected with a support frame (402), the support frame (402) is fixedly connected with the left side of the rotating frame (3), the bottom end of the inner side of the rotating frame (3) is fixedly connected with a collection box (403), a capsule fence (404) is arranged in one side of the rotating frame (3) close to the inner side of the outer cover (1), the left side of the capsule fence (404) is fixedly connected with the rotating frame (3), one side of the capsule fence (404) far away from the inner side of the outer cover (1) is uniformly and fixedly connected with a connecting block (405), one end of the connecting block (405) far away from the capsule fence (404) is fixedly connected with an expansion bag (406), one side of the expansion bag (406) far away from the capsule fence (404) is fixedly connected with an elastic cleaning brush cluster (407), the capsule fence (404) is far away from elastic cleaning brush clusters (407) between connecting blocks (405) on one side of the inner side of the outer cover (1), one side of the elastic cleaning brush clusters (407) far away from the capsule fence (404) is provided with a fence (408), swing pipes (409) are fixedly connected to the right side of the fence (408), a collision block (411) is fixedly connected to the left end of one side of the elastic cleaning brush clusters (407) close to the capsule fence (404), an L-shaped blocking block (410) is arranged on one side of the collision block (411) close to the capsule fence (404), and the L-shaped blocking block (410) is fixedly connected with the rotating frame (3).

3. The breeze tunnel with an open/close double structure according to claim 2, characterized in that: the right side of the capsule body fence (404) is fixedly connected with the swing pipe (409), the part of the swing pipe (409) connected with the capsule body fence (404) is made of metal materials, the other part of the swing pipe (409) is made of elastic rubber materials, the connecting block (405) is arranged on the nodule of the capsule body fence (404), two sides in the rubber material part of the swing pipe (409) are irregularly bent and wavy, the air supply end of the air supply device (2) is connected with a guide pipe, the guide pipe penetrates through the outer cover (1) and is close to the inner wall at the top end and is fixedly connected with the top end of the rotating frame (3) and the air supply block, the top end of the capsule body fence (404) is fixedly connected with the air supply block, the capsule body fence (404) is communicated with the swing pipe (409), the air exhaust end of the air supply device (2) is also connected with the guide pipe, and the guide pipe penetrates through the outer cover (1) and is close to the inner wall and is fixedly connected with the bottom end of the rotating frame (3) and the collecting box (403), an automatic valve is arranged between the capsule fence (404) and the swinging pipe (409).

4. The breeze tunnel with an open/close double structure according to claim 1, characterized in that: the testing mechanism (5) comprises a fixed seat (501) arranged at the bottom end of the outer cover (1), square openings are uniformly arranged at the top ends of the fixed seat (501), circular openings are formed in the inner bottom ends of the square openings, long blocks (502) are fixedly connected at edges and corners in the square openings, elastic capsules (503) are uniformly and fixedly connected between the long blocks (502), smooth strips (504) are fixedly connected to the other ends of the elastic capsules (503), a first chuck (505) is fixedly connected to the inner side, close to the top end, of each circular opening, the bottom end of the first chuck (505) is rotatably connected with a rotating cylinder column (506), an elastic connecting pipe (507) is fixedly connected to the bottom end of each rotating cylinder column (506), a magnetic column (508) is fixedly connected to the bottom end of each elastic connecting pipe (507), an air inlet ring (509) is arranged on the outer side, and an adjusting spring (510) is fixedly connected to the outer side, close to the top end, of each rotating cylinder column (506), the top end and the bottom end of the coil of the adjusting spring (510) are fixedly connected with the spiral capsule body (511), the bottom end of the adjusting spring (510) and the bottom end of the spiral capsule body (511) are fixedly connected with a second chuck (512), the bottom end of the second chuck (512) is rotatably connected with the top end of the air inlet ring (509), a first fixing groove (513) is formed in the outer side of the first chuck (505), and a second fixing groove (514) is formed in the outer side of the second chuck (512).

5. The breeze tunnel with an open/close double structure according to claim 4, characterized in that: first fixed slot (513) are multilayer annular groove, multilayer annular groove left and right sides middle part is equipped with the bar opening, second fixed slot (514) are cylindrical recess, evenly be equipped with the arc piece on positive side of cylindrical recess and the rear side, it is connected to rotate between air inlet ring (509) bottom and the air feed base (6), fixed connection between air feed base (6) and power supply base (7) is passed to magnetism post (508) bottom, adjusting spring (510) and spiral utricule (511) top fixedly connected with circular siphunculus, link up between circular siphunculus and rotation section of thick bamboo post (506), link up between rotation section of thick bamboo post (506) top and first chuck (505) top.

6. The breeze tunnel with an open/close double structure according to claim 5, characterized in that: be equipped with the cylinder groove in first chuck (505) top, cylinder groove diameter is the same with the pipe diameter of admitting air, and first chuck (505) both sides are equipped with the kelly, and second chuck (512) positive side and rear side are equipped with the kelly.