CN207636271U - A kind of experimental rig of simulation cyclone - Google Patents
A kind of experimental rig of simulation cyclone Download PDFInfo
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- CN207636271U CN207636271U CN201721606273.6U CN201721606273U CN207636271U CN 207636271 U CN207636271 U CN 207636271U CN 201721606273 U CN201721606273 U CN 201721606273U CN 207636271 U CN207636271 U CN 207636271U
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Abstract
The utility model embodiment discloses a kind of experimental rig of simulation cyclone, solves the test area that existing experimental rig uses open type, caused test area wind field is easy the defect influenced by outside air convection, improves test accuracy.A kind of experimental rig for simulation cyclone that the utility model embodiment provides, including：Rotating device, inspiratory limb, diffuser；Inspiratory limb is cylindrical structure, including inspiratory limb top ventilation opening and inspiratory limb bottom end ventilation opening, is ventilation shaft between inspiratory limb top ventilation opening and inspiratory limb bottom end ventilation opening, and rotating device is set to inside the ventilation opening of inspiratory limb top；Diffuser is cylindrical structure, including diffuser top and diffuser bottom end, it is ventilation shaft between diffuser top and diffuser bottom end, diffuser top is provided with the diffuser top ventilation opening consistent with inspiratory limb bottom end ventilation opening, and diffuser bottom end is provided with diffuser bottom end ventilation opening；It is to be tightly connected that inspiratory limb bottom end, which connect outer wall with diffuser top,.
Description
Technical field
The utility model is related to cyclone simulation field more particularly to a kind of experimental rigs of simulation cyclone.
Background technology
Cyclone is a kind of small scale air vortex of regionality acutely rotated, have it is sudden it is strong, destructive power is big etc. lacks
Point.Cyclone often results in the destruction of the structures such as house, power transmission tower and casualties by building and structures.In order to improve knot
Wind resistance of the structure to cyclone, it is necessary to the load studied the wind field characteristic of cyclone and structure is generated.Due to cyclone
Formation mechenism and wind field structure it is sufficiently complex, it is necessary to cyclone is studied by the method for field observation or Artificial simulative experiments
Wind field characteristic, and field observation has that investment is big, the uncontrollable factor of cost, therefore generally takes manual simulation's cyclone
Method.
Existing manual simulation's spout wind apparatus often uses the test area of open type due to structure design,
The wind field for resulting in test area is easy the defect influenced by outside air convection, to influence the experiment essence of cyclone wind field
Degree.
Utility model content
A kind of experimental rig for simulation cyclone that the utility model embodiment provides, solves existing experimental rig and adopts
With the test area of open type, caused test area wind field is easy the defect influenced by outside air convection, improves examination
Test precision.
A kind of experimental rig for simulation cyclone that the utility model embodiment provides, including：Rotating device, inspiratory limb,
Diffuser；
The inspiratory limb is cylindrical structure, including inspiratory limb top ventilation opening and inspiratory limb bottom end ventilation opening, the air-breathing
It is inspiratory limb ventilation shaft between Duan Dingduan ventilation openings and inspiratory limb bottom end ventilation opening, the rotating device is set to described
Inside the ventilation opening of inspiratory limb top；
The diffuser is cylindrical structure, including diffuser top and diffuser bottom end, the diffuser top and described
It is diffuser ventilation shaft between diffuser bottom end, the diffuser top is provided with consistent with inspiratory limb bottom end ventilation opening
Diffuser top ventilation opening, the diffuser bottom end is provided with diffuser bottom end ventilation opening；
It is to be tightly connected that the inspiratory limb bottom end, which connect outer wall with the diffuser top,.
Optionally, further include honeycomb, including honeycomb top and honeycomb bottom end, the honeycomb is cellular knot
Structure, the honeycomb top are connect with inspiratory limb bottom end vent seal；
The honeycomb bottom end is connect with diffuser top vent seal.
Optionally, further include contraction section, the contraction section includes contraction section top and contraction section bottom end, the contraction section top
End is connect with diffuser bottom end vent seal.
Optionally, the inner wall of the contraction section is provided with froth bed.
Optionally, the spout that the experimental rig of the foam layer thickness of the contraction section inner wall and the simulation cyclone generates
The diameter of wind is inversely proportional.
Optionally, further include the area that becomes a mandarin, the area that becomes a mandarin includes upper circular slab and lower circular slab, and the upper circular slab is under
Experimental rig of the circular slab with the simulation cyclone is coaxially disposed, and folder is provided between the upper circular slab and lower circular slab
Layer；
The upper circular slab is offered to be open with the matched upper circular slab in the contraction section bottom end；
The upper circular slab opening is to be connected with the contraction section bottom end.
Optionally, further include flow deflector, the flow deflector includes bottom and upper segment, and the flow deflector is set to described become a mandarin
Between area's interlayer, the top of the flow deflector is fixedly connected with the upper circular slab bottom surface, the flow deflector it is following with it is described
Lower circle plate surface is fixedly connected.
Optionally, the diameter of the upper circular slab is more than the diffuser internal diameter.
Optionally, the internal diameter of the diffuser is the diameter three times of diffuser top ventilation opening or more.
Optionally, the flow deflector and the area's axial angle that becomes a mandarin are 10 ° -80 °.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages：
A kind of experimental rig for simulation cyclone that the utility model embodiment provides, including：Rotating device, inspiratory limb,
Diffuser；Inspiratory limb is cylindrical structure, inspiratory limb top ventilation opening and inspiratory limb bottom end ventilation opening, inspiratory limb top ventilation opening and
It is inspiratory limb ventilation shaft between the ventilation opening of inspiratory limb bottom end, rotating device is set to inside the ventilation opening of inspiratory limb top；Diffusion
Section is cylindrical structure, diffuser top and diffuser bottom end, is diffuser ventilation duct between diffuser top and diffuser bottom end
Road, diffuser top are provided with the diffuser top ventilation opening consistent with inspiratory limb bottom end ventilation opening, and diffuser bottom end is provided with
Diffuser bottom end ventilation opening；It is to be tightly connected that inspiratory limb bottom end, which connect outer wall with diffuser top,.
It is diffuser ventilation shaft, the setting of diffuser top in the present embodiment, between diffuser top and diffuser bottom end
There are the diffuser top ventilation opening consistent with inspiratory limb bottom end ventilation opening, diffuser bottom end to be provided with diffuser bottom end ventilation opening,
Inspiratory limb bottom end is to be tightly connected with diffuser top outer wall；Diffuser is completely enclosed, ensure that cyclone will not be by outside
The interference of environmental air flowing.Solve the test area that existing experimental rig uses open type, caused test area
Wind field is easy the defect influenced by outside air convection, improves test accuracy.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of experimental rig structural schematic diagram of the simulation cyclone provided in the utility model embodiment；
Fig. 2 is a kind of front view of the experimental rig of the simulation cyclone provided in the utility model embodiment；
Wherein, it illustrates as follows：
1, rotating device；2, inspiratory limb；3, honeycomb；4, diffuser；5, contraction section；6, flow deflector；7, become a mandarin area.
Specific implementation mode
The utility model embodiment provide a kind of simulation cyclone experimental rig, solve existing experimental rig by
It is easy the defect influenced by outside air convection in the wind field of the test area using open type, caused test area, is carried
The high test accuracy of simulation cyclone wind field.
To enable the goal of the invention, feature, advantage of the utility model more apparent and understandable, below in conjunction with this
Attached drawing in utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this practicality
Embodiment in novel, all other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, a kind of experimental rig for simulation cyclone that the utility model embodiment provides, including：Rotation
Rotary device 1, inspiratory limb 2, diffuser 4；
Inspiratory limb 2 is cylindrical structure, including 2 bottom end ventilation opening of 2 top ventilation opening of inspiratory limb and inspiratory limb, and inspiratory limb 2 is pushed up
It is 2 ventilation shaft of inspiratory limb to hold between ventilation opening and 2 bottom end ventilation opening of inspiratory limb, and it is logical that rotating device 1 is set to 2 top of inspiratory limb
Inside air port；
It should be noted that rotating device 1 is made of aerofoil fan and servo motor, drive of the aerofoil fan in servo motor
Dynamic lower rotation, generates axial air-flow, air-flow flows out from the bottom up；By Serve Motor Control aerofoil fan rotating speed, to control
Cyclone air-flow processed is in axial flowing velocity.
Diffuser 4 is cylindrical structure, including 4 bottom end of 4 top of diffuser and diffuser, 4 bottom of 4 top of diffuser and diffuser
It is 4 ventilation shaft of diffuser between end, 4 top of diffuser is provided with diffuser 4 top consistent with 2 bottom end ventilation opening of inspiratory limb
Ventilation opening, 4 bottom end of diffuser are provided with 4 bottom end ventilation opening of diffuser；
It is to be tightly connected that 2 bottom end of inspiratory limb, which connect outer wall with 4 top of diffuser,.
It should be noted that it is to be tightly connected that 2 bottom end of inspiratory limb, which connect outer wall with 4 top of diffuser, it is tightly connected and ensures
Cyclone will not be interfered by air draught in external environment.
Further, further include honeycomb 3, including 3 bottom end of 3 top of honeycomb and honeycomb, honeycomb 3 is cellular knot
Structure, 3 top of honeycomb are connect with 2 bottom end vent seal of inspiratory limb；
3 bottom end of honeycomb is connect with 4 top vent seal of diffuser.
It should be noted that cyclone first flows through honeycomb 3, since honeycomb 3 is more before being flowed out by inspiratory limb 2
It is poroid, therefore the wind field structure of cyclone can be destroyed, and become stable laminar flow, so as to smoothly pass through rotating device 1,
Without because turbulent flow causes the vibration of rotating device 1.
Further, further include contraction section 5, contraction section 5 includes 5 bottom end of 5 top of contraction section and contraction section, and contraction section 5 pushes up
End is connect with 4 bottom end vent seal of diffuser.
Further, the inner wall of contraction section 5 is provided with froth bed.
Further, the cyclone that the experimental rig of the foam layer thickness of 5 inner wall of contraction section and simulation cyclone generates
Diameter is inversely proportional.
Further, further include the area 7 that becomes a mandarin, the area 7 that becomes a mandarin includes upper circular slab and lower circular slab, upper circular slab and lower circle
Experimental rig of the plate with simulation cyclone is coaxially disposed, and interlayer is provided between upper circular slab and lower circular slab；
Upper circular slab is offered to be open with the matched upper circular slab in 5 bottom end of contraction section；
Upper circular slab opening is to be connected with 5 bottom end of contraction section.
It should be noted that the diameter of contraction section 5 is less than the area 7 that becomes a mandarin, to which cyclone vortex is retracted to a comparison
In small diameter range；Just form a compact-sized existing speed axially upwards at this time has the horizontal spout being vortexed again
Wind.5 diameter of contraction section can be adjusted by foam-filled inner wall, so as to adjust the horizontal size of cyclone.
Further, further include flow deflector 6, flow deflector 6 includes bottom and upper segment, and flow deflector 6 is set to 7 interlayer of area that becomes a mandarin
Between, the top of flow deflector 6 is fixedly connected with upper circular slab bottom surface, and the following of flow deflector 6 is fixedly connected with lower round plate surface.
It should be noted that flow deflector 6 is rectangular sheet, flow deflector 6 has bottom and upper segment, top solid with upper circular slab bottom surface
Surely it links together, following and lower round plate surface is fixed together.
Further, the diameter of upper circular slab is more than 4 internal diameter of diffuser.
Further, the internal diameter of diffuser 4 is the diameter three times of 4 top ventilation opening of diffuser or more.
It should be noted that the diameter of diffuser 4 is sufficiently large, it is 3 times or more of 2 diameter of inspiratory limb, to ensure dragon
Volume wind energy, which reaches wind speed in the horizontal direction, can gradually decay to zero, to meet the actual characteristic of cyclone in nature.Simultaneously
Since diffuser 4 is completely enclosed, it ensure that cyclone will not be interfered by the hollow flow of air of external environment.
Further, flow deflector 6 and 7 axial angle of area that becomes a mandarin are 10 ° -80 °.
It should be noted that about the 7 area closing that becomes a mandarin, side are air flow inlet, air flow inlet flows into, by flow deflector 6
The vortex of horizontal direction rotation is generated later.10-80 ° of angle between flow deflector 6 and experimental rig axis, by adjusting water conservancy diversion
The angle of piece 6 can change cyclone tangential wind speed in the horizontal direction, to generate different horizontal voorticities.
It should be noted that when testing building or structures, the scaled models of subjects be fixed on into
The centre in area 2 is flowed, scaled model projected area in the horizontal direction should be less than the 15% of 5 sectional area of contraction section.In on-test
Before need to debug wind field, adjust the angle of the rotating speed and flow deflector 7 of rotating device 1 first, after opening aerofoil fan, air-flow is from entering
Mouth flows into, and the vortex with horizontal tangent wind speed is formed through flow deflector 7, and diffuser 4 is flowed by contraction section 5, to form one
A completely cyclone with required horizontal tangential speed and axial velocity.After wind field is debugged, scaled model is placed
To carry out experiment among the area 7 that becomes a mandarin.
A kind of experimental rig for simulation cyclone that the utility model embodiment provides, including：Rotating device 1, inspiratory limb
2, diffuser 4；Inspiratory limb 2 is cylindrical structure, 2 bottom end ventilation opening of 2 top ventilation opening of inspiratory limb and inspiratory limb, 2 top of inspiratory limb
It is 2 ventilation shaft of inspiratory limb between 2 bottom end ventilation opening of ventilation opening and inspiratory limb, rotating device 1 is set to the ventilation of 2 top of inspiratory limb
Mouth is internal；Diffuser 4 is cylindrical structure, 4 bottom end of 4 top of diffuser and diffuser, 4 top of diffuser and 4 bottom end of diffuser it
Between be 4 ventilation shaft of diffuser, 4 top of diffuser is provided with consistent with 2 bottom end ventilation opening of inspiratory limb 4 top of diffuser ventilation
Mouthful, 4 bottom end of diffuser is provided with 4 bottom end ventilation opening of diffuser；It is sealing that 2 bottom end of inspiratory limb, which connect outer wall with 4 top of diffuser,
Connection.It is 4 ventilation shaft of diffuser, the setting of 4 top of diffuser in the present embodiment, between 4 bottom end of 4 top of diffuser and diffuser
There are the diffuser 4 top ventilation opening consistent with 2 bottom end ventilation opening of inspiratory limb, 4 bottom end of diffuser to be provided with the ventilation of 4 bottom end of diffuser
Mouthful, 2 bottom end of inspiratory limb is to be tightly connected with 4 top outer wall of diffuser；Diffuser 4 is completely enclosed, ensure that cyclone will not be by
To the interference of the hollow flow of air of external environment.Solve the test area that existing experimental rig uses open type, caused examination
It tests region wind field and is easy the defect influenced by outside air convection, improve test accuracy.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
Can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of experimental rig of simulation cyclone, which is characterized in that including：Rotating device, inspiratory limb, diffuser；
The inspiratory limb is cylindrical structure, including inspiratory limb top ventilation opening and inspiratory limb bottom end ventilation opening, the inspiratory limb top
It is inspiratory limb ventilation shaft to hold between ventilation opening and inspiratory limb bottom end ventilation opening, and the rotating device is set to the air-breathing
Inside Duan Dingduan ventilation openings；
The diffuser is cylindrical structure, including diffuser top and diffuser bottom end, the diffuser top and the diffusion
Section is diffuser ventilation shaft between bottom end, and the diffuser top is provided with the expansion consistent with inspiratory limb bottom end ventilation opening
Section top ventilation opening is dissipated, the diffuser bottom end is provided with diffuser bottom end ventilation opening；
It is to be tightly connected that the inspiratory limb bottom end, which connect outer wall with the diffuser top,.
2. a kind of experimental rig of simulation cyclone according to claim 1, which is characterized in that
Further include honeycomb, including honeycomb top and honeycomb bottom end, the honeycomb is vesicular texture, the honeycomb
Top is connect with inspiratory limb bottom end vent seal；
The honeycomb bottom end is connect with diffuser top vent seal.
3. a kind of experimental rig of simulation cyclone according to claim 1, which is characterized in that
Further include contraction section, the contraction section includes contraction section top and contraction section bottom end, the contraction section top and the expansion
Dissipate the connection of section bottom end vent seal.
4. a kind of experimental rig of simulation cyclone according to claim 3, which is characterized in that
The inner wall of the contraction section is provided with froth bed.
5. a kind of experimental rig of simulation cyclone according to claim 4, which is characterized in that
The foam layer thickness of the contraction section inner wall with it is described simulation cyclone experimental rig generate cyclone diameter at
Inverse ratio.
6. a kind of experimental rig of simulation cyclone according to claim 3, which is characterized in that
Further include the area that becomes a mandarin, the area that becomes a mandarin includes upper circular slab and lower circular slab, the upper circular slab and lower circular slab with
The experimental rig coaxial arrangement of the simulation cyclone, interlayer is provided between the upper circular slab and lower circular slab；
The upper circular slab is offered to be open with the matched upper circular slab in the contraction section bottom end；
The upper circular slab opening is to be connected with the contraction section bottom end.
7. a kind of experimental rig of simulation cyclone according to claim 6, which is characterized in that
Further include flow deflector, the flow deflector includes bottom and upper segment, and the flow deflector is set between the area's interlayer that becomes a mandarin,
The top of the flow deflector is fixedly connected with the upper circular slab bottom surface, the following and lower round plate surface of the flow deflector
It is fixedly connected.
8. a kind of experimental rig of simulation cyclone according to claim 6, which is characterized in that
The diameter of the upper circular slab is more than the diffuser internal diameter.
9. a kind of experimental rig of simulation cyclone according to claim 1, which is characterized in that
The internal diameter of the diffuser is the diameter three times of diffuser top ventilation opening or more.
10. a kind of experimental rig of simulation cyclone according to claim 7, which is characterized in that
The flow deflector is 10 ° -80 ° with the area's axial angle that becomes a mandarin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721606273.6U CN207636271U (en) | 2017-11-27 | 2017-11-27 | A kind of experimental rig of simulation cyclone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721606273.6U CN207636271U (en) | 2017-11-27 | 2017-11-27 | A kind of experimental rig of simulation cyclone |
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| CN207636271U true CN207636271U (en) | 2018-07-20 |
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| CN201721606273.6U Active CN207636271U (en) | 2017-11-27 | 2017-11-27 | A kind of experimental rig of simulation cyclone |
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