CN209878258U - Wind tunnel capable of simulating movable downburst gust effect - Google Patents
Wind tunnel capable of simulating movable downburst gust effect Download PDFInfo
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- CN209878258U CN209878258U CN201920753407.XU CN201920753407U CN209878258U CN 209878258 U CN209878258 U CN 209878258U CN 201920753407 U CN201920753407 U CN 201920753407U CN 209878258 U CN209878258 U CN 209878258U
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Abstract
The utility model discloses a wind tunnel capable of simulating and moving downburst gust effect, which comprises a wind tunnel runner, wherein a simulation test area is arranged in the wind tunnel runner, a simulation test through hole is arranged on one side surface of the simulation test area, and a simulation wind gap two-dimensional plane moving device is arranged on the simulation test through hole; the simulation air port two-dimensional plane moving device comprises a soft shielding belt covering the simulation test through hole, a simulation air port is arranged on the soft shielding belt, and simulation air port moving mechanisms used for driving the soft shielding belt to move and enabling the simulation air port to do two-dimensional plane movement in the region of the simulation test through hole are respectively arranged at two ends of the soft shielding belt; the simulation air port moving mechanism comprises a winding and unwinding roller for winding and unwinding the soft shielding belt and an axial moving mechanism for driving the winding and unwinding roller to move along the axial direction of the winding and unwinding roller; the device is characterized by further comprising a simulator mounting frame which moves synchronously with the simulation air opening, and a downburst gust simulator used for simulating downburst gust is mounted on the simulator mounting frame.
Description
Technical Field
The utility model belongs to the technical field of the wind-tunnel, specific be a but wind-tunnel of simulation removal downburst gust effect.
Background
Chinese patent application publication No. CN109029901A discloses a downburst simulation method, in which a transversely-incoming airflow changes the airflow direction through a flow deflector, the flow deflector can be continuously switched between a vertical state and a horizontal state by control, when the flow deflector is in the vertical state, the transverse airflow is blown out from the lower end of the longitudinal direction, and when the flow deflector is in the horizontal state, the transverse airflow is blown out from the opposite end of the transverse air inlet. Specifically, the chinese patent application also discloses a device for implementing the downburst simulation method, which comprises a transverse air passage and a longitudinal air passage, wherein one end of the transverse air passage is provided with a fan, the other end of the fan is provided with a gushing baffle, the longitudinal air passage is arranged between the fan and the gushing baffle and is vertically communicated with the transverse air passage, and the flow deflector is arranged at the intersection of the transverse air passage and the longitudinal air passage. The transverse air passages and the longitudinal air passages form a T-shaped structure, and the transverse air passages in the T-shaped structure are connected to the supporting frame along the axis of the transverse air passages. A moving platform is arranged between the supporting frame and the transverse air passage, the transverse air passage is fixed on the moving platform, and the moving platform can move in two degrees of freedom in a horizontal plane through the driving of a motor on the supporting frame.
Although the downburst simulation device can simulate downburst gusts and can realize two-dimensional motion in a plane by utilizing the mobile platform, when the downburst simulation device is used in a wind tunnel, a large opening needs to be formed in a flow channel of the wind tunnel to reserve enough space for the mobile platform to realize the simulation of the downburst gusts of the two-dimensional plane movement, the opening can disturb airflow in the flow channel of the wind tunnel, and the downburst gusts in a specific environment cannot be simulated by adopting the wind tunnel.
Disclosure of Invention
In view of this, an object of the present invention is to provide a wind tunnel capable of simulating a mobile downburst gust effect, which can not only simulate the downburst gust in a mobile state, but also can not affect the airflow inside the wind tunnel.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a wind tunnel capable of simulating a movable downburst gust effect comprises a wind tunnel flow channel, wherein a simulation test area is arranged in the wind tunnel flow channel, a simulation test through hole is formed in one side face of the simulation test area, and a simulation air port two-dimensional plane moving device is installed on the simulation test through hole;
the simulation air port two-dimensional plane moving device comprises a soft shielding belt covering the simulation test through hole, a simulation air port is arranged on the soft shielding belt, and simulation air port moving mechanisms used for driving the soft shielding belt to move and enabling the simulation air port to move in a two-dimensional plane in the region of the simulation test through hole are respectively arranged at two ends of the soft shielding belt;
the simulation air port moving mechanism comprises a winding and unwinding roller for winding and unwinding the soft shielding belt and an axial moving mechanism for driving the winding and unwinding roller to move along the axial direction of the winding and unwinding roller;
the device is characterized by further comprising a simulator mounting frame which synchronously moves with the simulation air opening, and a downburst gust simulator used for simulating downburst gust is mounted on the simulator mounting frame.
Furthermore, the winding and unwinding roller is provided with a winding and unwinding driving mechanism for driving the winding and unwinding roller to rotate so as to wind or unwind the soft shielding belt; the winding and unwinding driving mechanism comprises a winding and unwinding motor and a winding and unwinding gearbox in transmission connection with the winding and unwinding motor, and an output shaft of the winding and unwinding gearbox is in transmission connection with the winding and unwinding roller.
Further, the axial moving mechanism comprises a screw rod arranged in parallel with the winding and unwinding roller and a moving plate which is sleeved on a rotating shaft of the winding and unwinding roller in a rotating matching manner and moves axially synchronously with the winding and unwinding roller, and the screw rod is in threaded fit with the moving plate; the axial moving mechanism further comprises a first guide rail arranged in parallel with the winding and unwinding roller, and a second guide rail matched with the first guide rail is arranged on the moving plate.
And the soft shielding belt is arranged between the two guide rollers, and the two guide rollers are parallel to the winding and unwinding roller and move axially in synchronization with the winding and unwinding roller.
Furthermore, two sides of the soft shielding belt are respectively provided with a clamping plate mechanism; the clamping plate mechanism comprises two clamping plates, the soft shielding belt is located between the two clamping plates, and two ends of the two clamping plates are respectively sleeved on the corresponding rotating shafts of the winding and unwinding rollers in a rotating matching mode and move axially synchronously with the winding and unwinding rollers.
Furthermore, the width of the soft shielding belt is more than or equal to twice of the width of the simulation test through hole, and the geometric center of the simulation air port falls on the central line of the soft shielding belt.
Further, be equipped with on the simulator mounting bracket with soft sheltering from takes the first slide rail of vertically, downburst storm surge simulator sliding fit installs on the first slide rail, just be equipped with on the simulator mounting bracket and be used for the drive downburst storm surge simulator along the simulator actuating mechanism that first slide rail removed.
Further, the simulator mounting frame comprises two supporting rods which are parallel to each other, a second sliding rail which is parallel to the soft shielding belt is arranged on each supporting rod, a sliding mounting frame which is in sliding fit with the second sliding rail is arranged between the two supporting rods, the first sliding rail is fixedly mounted on the sliding mounting frame, and one end of the first sliding rail is fixedly connected with the soft shielding belt; the supporting rod is perpendicular to the winding and unwinding roller, and two ends of the supporting rod are respectively sleeved on the rotating shafts of the winding and unwinding roller and move axially synchronously with the winding and unwinding roller.
Furthermore, a hard mounting plate is arranged on the soft shielding belt corresponding to the simulation air port, and the first sliding rail is fixedly connected with the hard mounting plate; the first sliding rails are uniformly distributed in an annular mode relative to the axis of the simulation tuyere.
Further, the downburst storm flow gust simulator comprises a main air duct, an air outlet end of the main air duct is provided with an air outlet air duct and a gust air duct, a switching valve is arranged between the air outlet air duct and the gust air duct, and the switching valve is used for controlling the breaking between the gust air duct and the main air duct when the air outlet air duct is communicated with the main air duct; or when the wind-projecting air channel is communicated with the main air channel, the wind-outlet air channel is disconnected with the main air channel; the air outlet of the gushing air duct is aligned with the simulation air inlet, and a gushing fan is arranged in the main air duct.
The beneficial effects of the utility model reside in that:
the utility model discloses a can simulate the wind-tunnel that removes downburst gust effect, through set up the simulation test through-hole on the side of simulation test district to utilize soft sheltering from area to cover at the simulation test through-hole, so, can effectively avoid the simulation test through-hole to influence the air current in the wind-tunnel runner; the simulation air port is arranged on the soft shielding belt, and the simulation air port two-dimensional plane moving device is used for driving the soft shielding belt to move in the area where the simulation test through hole is located along two vertical directions, so that the simulation air port can be driven to move in the area where the simulation test through hole is located along two vertical directions, and the simulation air port can move in the area where the simulation test through hole is located in a two-dimensional plane; through setting up the simulator mounting bracket with simulation wind gap synchronous movement to install downburst gust simulator on the simulator mounting bracket, can simulate downburst under the mobile state, and can not lead to the fact the influence to the inside air current of wind-tunnel.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural diagram of an embodiment of a wind tunnel capable of simulating a mobile downburst gust effect according to the present invention;
FIG. 2 is detail A of FIG. 1;
FIG. 3 is detail B of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is detail C of FIG. 4;
fig. 6 is a schematic structural view of a downburst storm wind simulator, specifically a state diagram when an air outlet duct is communicated with a main duct;
fig. 7 is a schematic structural diagram of a downburst storm wind simulator, specifically a state diagram when a wind-gust duct is communicated with a main duct.
Description of reference numerals:
1-a wind tunnel flow channel; 2-simulation test area; 3-soft masking tape; 4-simulating a tuyere; 5, winding and unwinding a winding roller; 6, winding and unwinding a motor; 7-winding and unwinding a gearbox; 8-screw rod; 9-moving the board; 10-a screw motor; 11-a lead screw gearbox; 12-a first guide rail; 13-a second guide rail; 14-a guide roll; 15-clamping plate; 16-simulator mounting; 17-downburst gust simulator; 18-a first slide rail; 19-a rigid mounting plate; 20-a support bar; 21-a sliding mount; 22-a slide block; 23-simulator drive screw; 24-simulator drive motor; 25-a main air duct; 26-an air outlet duct; 27-a wind channel; 28-a switching valve; 29-flow deflectors; 30-a damping mesh; 31-a honeycomb; 32-gust fan.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, it is a schematic structural diagram of an embodiment of a wind tunnel capable of simulating a mobile downburst gust effect according to the present invention. The wind tunnel capable of simulating the moving downburst gust effect comprises a wind tunnel flow channel 1, wherein a simulation test area 2 is arranged in the wind tunnel flow channel 1, a simulation test through hole is formed in one side face of the simulation test area 2, and a simulation air port two-dimensional plane moving device is arranged on the simulation test through hole. The simulation wind gap two-dimensional plane mobile device of this embodiment is equipped with simulation wind gap 4 including covering soft shielding belt 3 on the simulation test through-hole on soft shielding belt 3, and the both ends of soft shielding belt 3 are equipped with respectively and are used for driving its removal and make simulation wind gap 4 do the simulation wind gap moving mechanism of two-dimensional plane removal in the simulation test through-hole region. The simulation wind gap moving mechanism of this embodiment includes the winding and unwinding roller 5 that is used for winding and unwinding the soft blocking belt 3 and the axial moving mechanism that is used for driving the winding and unwinding roller 5 to move along its axial direction.
Specifically, the winding and unwinding driving mechanism for driving the winding and unwinding roller 5 to rotate and then wind or unwind the soft shielding belt 3 is arranged on the winding and unwinding roller. The winding and unwinding driving mechanism comprises a winding and unwinding motor 6 and a winding and unwinding gearbox 7 in transmission connection with the winding and unwinding motor 6, and an output shaft of the winding and unwinding gearbox 7 is in transmission connection with the winding and unwinding roller 5. The winding and unwinding motors 6 in transmission connection with the two winding and unwinding rollers 5 are controlled to rotate synchronously, so that the simulation air port 4 can be driven to move in the axial direction perpendicular to the winding and unwinding rollers 5.
Specifically, the axial movement mechanism of this embodiment includes the screw 8 and the movable plate 9 that the rotatory cooperation suit was put in the pivot of rolling up and paying off roller 5 and was unreeled the synchronous axial displacement of roller 5 with rolling up and paying off roller 5 parallel arrangement, and screw 8 and movable plate 9 screw-thread fit. Preferably, both ends of the rotating shaft of the winding and unwinding roller 5 of the embodiment are provided with moving plates 9 in rotation fit with the rotating shaft, and the two moving plates 9 are in threaded fit with the screw 8, so that the winding and unwinding roller 5 can move more stably along the axial direction. The screw 8 of this embodiment is provided with a screw driving mechanism for driving the screw to rotate. Specifically, the screw rod driving mechanism comprises a screw rod motor 10 and a screw rod gearbox 11 in transmission connection with the screw rod motor 10, an output shaft of the screw rod gearbox 11 is in transmission connection with the screw rod 8, and by controlling the two screw rod motors 10 to synchronously rotate, the two winding and unwinding rollers 5 can be driven to synchronously move along the axial direction of the winding and unwinding rollers 5, and further the simulation air port 4 is driven to move along the axial direction of the winding and unwinding rollers 5. Preferably, the axial moving mechanism of the present embodiment further includes a first guide rail 12 disposed parallel to the winding/unwinding roller 5, and the moving plate 9 is provided with a second guide rail 13 for guiding movement, which is engaged with the first guide rail 12.
Further, the wind tunnel of this embodiment for simulating tornado under the moving state still includes two guide rolls 14 that are located simulation test through-hole both ends respectively and are used for leading soft blocking area 3, and guide roll 14 is parallel with receive and release roll 5 and with receive and release roll 5 synchronous axial displacement for lead soft blocking area 3, make soft blocking area 3 cover completely on the simulation test through-hole.
Further, the soft blocking belt 3 of the present embodiment is provided with a clamping plate mechanism on each of both sides. Specifically, splint mechanism includes two splint 15, and soft shelters from area 3 and is located between two splint 15, and the both ends of two splint 15 are respectively the normal running fit suit in the corresponding receipts roll up the pivot of unreeling roller 5 and with receive and unreel the synchronous axial displacement of roll up roller 5, and the both ends of two splint 15 of this embodiment are respectively the normal running fit suit in the corresponding receipts roll up the pivot of unreeling roller 5 and guide roll 14. Through setting up splint mechanism, can prevent that soft sheltering from area that takes 3 to be located the simulation test through-hole middle part from warping under the inside air current effect of wind-tunnel runner 1, and then avoid causing the interference to the air current in wind-tunnel runner 1.
Further, the width of the soft shielding belt 3 is more than or equal to twice of the width of the simulation test through hole, and the geometric center of the simulation air port 4 falls on the central line of the soft shielding belt 3. Therefore, the two-dimensional plane moving area of the simulated tuyere 4 can completely cover the area where the simulated test through hole is located.
The simulation test through hole of the present embodiment is disposed on the top surface of the wind tunnel flow channel 1, and certainly, the simulation test through hole may be disposed on the side surface or the bottom surface of the wind tunnel flow channel 1 as needed, which will not be described in detail.
The wind tunnel for simulating tornadoes in a moving state in the embodiment further comprises a simulator mounting rack 16 which moves synchronously with the simulation wind opening 4, and a downburst gust simulator 17 for simulating downburst gusts is mounted on the simulator mounting rack 16. The simulator mounting bracket 16 of this embodiment is provided with a first slide rail 18 perpendicular to the soft masking tape 3, the downburst gust simulator 17 is slidably fitted to the first slide rail 18, and the simulator mounting bracket 16 is provided with a simulator driving mechanism for driving the downburst gust simulator 17 to move along the first slide rail 18. Through set up on the simulator mounting bracket and shelter from the first slide rail of taking the vertically with soft, so, can drive downburst storm surge simulator and move along first slide rail, downburst storm surge simulator can realize three-dimensional removal on the basis of doing synchronous two-dimensional plane removal along simulation wind gap 4, can simulate three-dimensional removal downburst storm surge.
The simulator mounting bracket 16 of this embodiment includes two bracing pieces 20 that are parallel to each other, is equipped with the second slide rail that is parallel to soft shielding area 3 on the bracing piece 20, and is equipped with between two bracing pieces 20 with second slide rail sliding fit's sliding mounting bracket 21, fixed mounting is equipped with first slide rail 18 on the sliding mounting bracket 21, the one end and the soft shielding area 3 fixed connection of first slide rail 18. The support rod 20 of this embodiment is perpendicular to the winding and unwinding roller 5, and the two ends of the support rod 20 are respectively sleeved on the rotating shafts of the two winding and unwinding rollers 5 and move axially in synchronization with the winding and unwinding rollers 5. The soft shielding belt 3 of this embodiment is provided with a hard mounting plate 19 corresponding to the simulation air port 4, and the first slide rail 18 is fixedly connected to the hard mounting plate 19, so that the sliding mounting frame 21 can slide along the second slide rail under the driving of the soft shielding belt 3, and can move along the axial direction of the winding and unwinding roller 5 under the driving of the axial movement of the winding and unwinding roller 5. The first sliding rails 18 of the present embodiment are uniformly distributed in a ring shape relative to the axis of the simulated tuyere 4.
The simulator mounting frame 16 of this embodiment is provided with a slider 22 slidably engaged with the first slide rail 18, the simulator driving mechanism of this embodiment includes a simulator driving screw 23 parallel to the first slide rail 18, the simulator driving screw 23 is in threaded engagement with one of the sliders 22, and a simulator driving motor 24 for driving the simulator driving screw 23 to rotate is fixedly mounted on the first slide rail 18.
Specifically, the downburst storm wind simulator 17 of the present embodiment includes a main air duct 25, an air outlet end of the main air duct 25 is provided with an air outlet duct 26 and a wind gushing duct 27, a switching valve 28 is disposed between the air outlet duct 26 and the wind gushing duct 27, and the switching valve 28 is configured to control the disconnection between the wind gushing duct 27 and the main air duct 25 when the air outlet duct 26 is communicated with the main air duct 25; or when the air-projecting duct 27 is communicated with the main duct 25, the air-outlet duct 26 is disconnected from the main duct 25. The air outlet of the wind gushing air channel 27 is aligned with the simulation air inlet 4, and a wind gushing fan 32 is arranged in the main air channel 25. As shown in fig. 6 and 7, the gust air duct 27 of the present embodiment includes a horizontal section coaxial with the main air duct 25 and a vertical section perpendicular to the main air duct 25, a flow deflector 29 is disposed between the horizontal section and the vertical section, a damping net 30 and a honeycomb device 31 are disposed in the vertical section, and the honeycomb device 31 is located below the damping net 30. When the air conditioner operates normally, the air outlet duct 26 is communicated with the main duct 25, and the air projecting duct 27 is disconnected from the main duct 25; when the sudden wind needs to be simulated, the sudden wind channel 27 is communicated with the main wind channel 25 through the switching valve 28, the wind outlet channel 26 is disconnected from the main wind channel 25, the downburst sudden wind can be output, after the set time is reached, the wind outlet channel 26 is communicated with the main wind channel 25 through the switching valve 28, the wind sudden wind channel 27 is disconnected from the main wind channel 25, and the downburst sudden wind simulation is finished.
In the wind tunnel capable of simulating the moving downburst gust effect of the embodiment, the simulation test through hole is formed in the side surface of the simulation test area, and the soft shielding belt is covered on the simulation test through hole, so that the influence of the simulation test through hole on the airflow in a flow channel of the wind tunnel can be effectively avoided; the simulation air port is arranged on the soft shielding belt, and the simulation air port two-dimensional plane moving device is used for driving the soft shielding belt to move in the area where the simulation test through hole is located along two vertical directions, so that the simulation air port can be driven to move in the area where the simulation test through hole is located along two vertical directions, and the simulation air port can move in the area where the simulation test through hole is located in a two-dimensional plane; through setting up the simulator mounting bracket with simulation wind gap synchronous movement to install downburst gust simulator on the simulator mounting bracket, can simulate downburst under the mobile state, and can not lead to the fact the influence to the inside air current of wind-tunnel.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A wind tunnel capable of simulating a moving downburst gust effect comprises a wind tunnel flow channel (1) and is characterized in that: a simulation test area (2) is arranged in the wind tunnel flow passage (1), a simulation test through hole is formed in the side face of one side of the simulation test area (2), and a simulation air port two-dimensional plane moving device is installed on the simulation test through hole;
the simulation air port two-dimensional plane moving device comprises a soft shielding belt (3) covering the simulation test through hole, a simulation air port (4) is arranged on the soft shielding belt (3), and simulation air port moving mechanisms used for driving the soft shielding belt (3) to move and enabling the simulation air port (4) to move in a two-dimensional plane in the region of the simulation test through hole are respectively arranged at two ends of the soft shielding belt (3);
the simulated air port moving mechanism comprises a winding and unwinding roller (5) for winding and unwinding the soft shielding belt (3) and an axial moving mechanism for driving the winding and unwinding roller (5) to move along the axial direction of the winding and unwinding roller;
the device is characterized by further comprising a simulator mounting frame (16) which synchronously moves with the simulation air opening (4), wherein a downburst gust simulator (17) used for simulating downburst gust is mounted on the simulator mounting frame (16).
2. The wind tunnel of claim 1 capable of simulating a mobile downburst gust effect, wherein: the winding and unwinding roller (5) is provided with a winding and unwinding driving mechanism for driving the winding and unwinding roller to rotate so as to wind or unwind the soft shielding belt (3); the winding and unwinding driving mechanism comprises a winding and unwinding motor (6) and a winding and unwinding gearbox (7) in transmission connection with the winding and unwinding motor (6), and an output shaft of the winding and unwinding gearbox (7) is in transmission connection with the winding and unwinding roller (5).
3. The wind tunnel of claim 1 capable of simulating a mobile downburst gust effect, wherein: the axial moving mechanism comprises a screw rod (8) arranged in parallel with the winding and unwinding roller (5) and a moving plate (9) which is sleeved on a rotating shaft of the winding and unwinding roller (5) in a rotating fit manner and moves axially synchronously with the winding and unwinding roller (5), and the screw rod (8) is in threaded fit with the moving plate (9); the axial moving mechanism further comprises a first guide rail (12) arranged in parallel with the winding and unwinding roller (5), and a second guide rail (13) matched with the first guide rail (12) is arranged on the moving plate (9).
4. The wind tunnel of claim 1 capable of simulating a mobile downburst gust effect, wherein: the soft shielding belt winding device is characterized by further comprising two guide rollers (14) which are respectively located at two ends of the simulation test through hole and used for guiding the soft shielding belt (3), wherein the guide rollers (14) are parallel to the winding and unwinding roller (5) and move axially in synchronization with the winding and unwinding roller (5).
5. The wind tunnel of claim 1 capable of simulating a mobile downburst gust effect, wherein: the two sides of the soft shielding belt (3) are respectively provided with a clamping plate mechanism; the clamping plate mechanism comprises two clamping plates (15), the soft shielding belt (3) is located between the two clamping plates (15), and the two ends of the two clamping plates (15) are respectively sleeved on the corresponding rotating shafts of the winding and unwinding rollers (5) in a rotating matching mode and move axially in synchronization with the winding and unwinding rollers (5).
6. The wind tunnel of claim 1 capable of simulating a mobile downburst gust effect, wherein: the width of the soft shielding belt (3) is more than or equal to twice of the width of the simulation test through hole, and the geometric center of the simulation air port falls on the central line of the soft shielding belt (3).
7. A wind tunnel according to any one of claims 1 to 6 capable of simulating a mobile downburst gust effect, wherein: be equipped with on simulator mounting bracket (16) with soft first slide rail (18) of sheltering from area (3) vertically, downburst gust simulator (17) sliding fit installs on first slide rail (18), just be equipped with on simulator mounting bracket (16) and be used for the drive downburst gust simulator (17) along the simulator actuating mechanism that first slide rail (18) removed.
8. The wind tunnel of claim 7 capable of simulating a mobile downburst gust effect, wherein: the simulator mounting frame (16) comprises two supporting rods (20) which are parallel to each other, a second sliding rail which is parallel to the soft shielding belt (3) is arranged on each supporting rod (20), a sliding mounting frame (21) which is in sliding fit with the second sliding rail is arranged between the two supporting rods (20), the first sliding rail (18) is fixedly mounted on the sliding mounting frame (21), and one end of the first sliding rail (18) is fixedly connected with the soft shielding belt (3); the supporting rod (20) is perpendicular to the winding and unwinding roller (5), and two ends of the supporting rod (20) are respectively sleeved on the rotating shafts of the winding and unwinding roller (5) and move axially in synchronization with the winding and unwinding roller (5).
9. The wind tunnel of claim 8 capable of simulating a mobile downburst gust effect, wherein: a hard mounting plate (19) is arranged on the soft shielding belt (3) corresponding to the simulation air port (4), and the first sliding rail (18) is fixedly connected with the hard mounting plate (19); the first sliding rails (18) are uniformly distributed in an annular shape relative to the axis of the simulation tuyere (4).
10. A wind tunnel according to any one of claims 1 to 6 capable of simulating a mobile downburst gust effect, wherein: the downdraft gushing simulator (17) comprises a main air duct (25), an air outlet duct (26) and a gushing air duct (27) are arranged at an air outlet end of the main air duct (25), a switching valve (28) is arranged between the air outlet duct (26) and the gushing air duct (27), and the switching valve (28) is used for controlling the break between the gushing air duct (27) and the main air duct (25) when the air outlet duct (26) is communicated with the main air duct (25); or when the wind-projecting air channel (27) is communicated with the main air channel (25), the wind outlet air channel (26) is disconnected with the main air channel (25); the air outlet of the wind gushing air channel (27) is aligned with the simulation air port (4), and a wind gushing fan (32) is arranged in the main air channel (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753407.XU CN209878258U (en) | 2019-05-23 | 2019-05-23 | Wind tunnel capable of simulating movable downburst gust effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753407.XU CN209878258U (en) | 2019-05-23 | 2019-05-23 | Wind tunnel capable of simulating movable downburst gust effect |
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| Publication Number | Publication Date |
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| CN209878258U true CN209878258U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920753407.XU Expired - Fee Related CN209878258U (en) | 2019-05-23 | 2019-05-23 | Wind tunnel capable of simulating movable downburst gust effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044575A (en) * | 2019-05-23 | 2019-07-23 | 重庆大学 | The wind-tunnel of the prominent wind scorpion of the mobile downburst of analog |
-
2019
- 2019-05-23 CN CN201920753407.XU patent/CN209878258U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044575A (en) * | 2019-05-23 | 2019-07-23 | 重庆大学 | The wind-tunnel of the prominent wind scorpion of the mobile downburst of analog |
| CN110044575B (en) * | 2019-05-23 | 2024-01-26 | 重庆大学 | Wind tunnel capable of simulating movable down-stroke storm surge effect |
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