CN209673326U - A kind of air duct structure - Google Patents
A kind of air duct structure Download PDFInfo
- Publication number
- CN209673326U CN209673326U CN201920465966.0U CN201920465966U CN209673326U CN 209673326 U CN209673326 U CN 209673326U CN 201920465966 U CN201920465966 U CN 201920465966U CN 209673326 U CN209673326 U CN 209673326U
- Authority
- CN
- China
- Prior art keywords
- outlet
- pipeline
- casing coupling
- pipe
- wind speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a kind of air duct structures, one end of the top connection first outlet connecting pipe of lateral outlet conduit, one end of the other end connection second outlet connecting tube of first outlet connecting pipe, one end of the other end connection first pipe casing coupling of second outlet connecting tube, it is characterized in that, the other end of first pipe casing coupling connects wind speed mutation pipeline, the one test mouth of setting in the side of wind speed mutation pipeline；The first exit end of the other end connection tee tube of wind speed mutation pipeline；One end of the second outlet end connection second pipe casing coupling of tee tube；The other end of second pipe casing coupling connects air outlet；The second outlet end of tee tube connects a backup line；Designing in long and wide structure according to a certain percentage, changes the wind speed in air hose with this, for reducing the noise of air-line system.
Description
Technical field
The utility model relates to wind tunnel system more particularly to a kind of air duct structures.
Background technique
In the prior art, the wind pipe of use is typically necessary the flat gradient, guarantees the smoothness of its outlet air, but
It is in wind tunnel system system, since the velocity ratio of its wind speed is very fast, noise to be generated in pipeline, in order to reduce noise, generally
Using installing muffler on pipeline, but in wind tunnel system, dust will affect the effect of muffler, for this purpose, in wind-tunnel system
The flat gradient cannot be designed in system, and the flat gradient is changed, the reduction for noise.
Utility model content
The purpose of this utility model be realize a kind of air duct structure according in place of above-mentioned the deficiencies in the prior art, including
Lateral outlet conduit, first outlet connecting pipe, second outlet connecting tube, first pipe casing coupling, wind speed mutation pipeline, threeway
Pipe, second pipe casing coupling, the first air outlet pipeline, the second air outlet pipeline；The top connection the of the lateral outlet conduit
The one end in one outlet connecting pipe road, one end of the other end connection second outlet connecting tube of the first outlet connecting pipe,
One end of the other end connection first pipe casing coupling of the second outlet connecting tube, which is characterized in that the first pipe
The other end of casing coupling connects wind speed mutation pipeline, the one test mouth of setting in the side of the wind speed mutation pipeline；The wind
The first exit end of the other end connection tee tube of speed mutation pipeline；The second outlet end of the tee tube connects second pipe
One end of casing coupling；The other end of second pipe casing coupling connects the first air outlet pipeline；The third outlet end of the tee tube connects
Connect the second air outlet pipeline.
Further, the ratio between the wind speed mutation pipeline and the height of second outlet connecting tube 1:4-1:5 it
Between.
Further, the height of the first outlet connecting pipe and second outlet connecting tube is equal.
Further, the ratio between height of outlet of the import of the first pipe casing coupling and first pipe casing coupling 4-5 it
Between
Further, the ratio between exit width of the import of the second pipe casing coupling and second pipe casing coupling is 1:4.
Further, a slope is arranged in the first outlet connecting pipe.
The utility model has technical effect that designing in long and wide structure according to a certain percentage changes wind with this
Wind speed in pipe, so that noise decline of the wind speed in pipeline, plays the effect for reducing noise.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the top view of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
In conjunction with shown in attached drawing 1 and attached drawing 2, a kind of air duct structure is disclosed in the present embodiment, including lateral outlet conduit 1,
First outlet connecting pipe 2, second outlet connecting tube 3, first pipe casing coupling 4, wind speed mutation pipeline 5, tee tube 6, second are managed
Road casing coupling 7, the first air outlet pipeline 8 and the second air outlet pipeline 9；The top connection first outlet connection of lateral outlet conduit 1
One end of pipeline 2, one end of the other end connection second outlet connecting tube 3 of first outlet connecting pipe 2, second outlet connecting tube
One end of 3 other end connection first pipe casing coupling 4, the other end of first pipe casing coupling 4 connects wind speed mutation pipeline 5, in wind
The one test mouth 10 of side setting of speed mutation pipeline 5；For testing the wind speed after 5 speedup of wind speed mutation pipeline, wind speed
The main effect of mutation pipeline 5 is, will pass through lateral outlet conduit 1, first outlet connecting pipe 2, second outlet connecting tube 3
Promutation is carried out by wind speed mutation pipeline 5 with the wind speed in the air hose after first pipe casing coupling 4, wind is reduced with this
Speed, the first exit end 61 of the other end connection tee tube 6 of wind speed mutation pipeline 5；The connection of second outlet end 62 the of tee tube 6
One end of two pipeline casing couplings 7；The other end of second pipe casing coupling 7 connects the first air outlet pipeline 8；Second pipe casing coupling 7 is main
Effect be that wind speed slows down again, be unlikely to too fast with this to guarantee to exclude the wind speed that goes, the third of tee tube 6
Outlet end 63 connects the second air outlet pipeline 9, is mainly used for spare outlet air, once wind speed is too big, will open backup line 12 and add
The speed of fast air draft.Above-mentioned air duct structure design changes the wind speed in air hose with this by designing in long and wide structure,
It can to play the technical effect for reducing noise in wind tunnel system, mainly by needing to install measurement wind at test mouth 10
The instrument of speed, while the wind speed measured is fed back to wind tunnel system by the instrument, and the flow velocity of wind tunnel system is judged by wind tunnel system
It is whether normal.
In conjunction with shown in attached drawing 1 and attached drawing 2, further indicate that, in the present embodiment, wind speed mutation pipeline 5 and second outlet
The ratio between height of connecting tube 3 is between 1:4-1:5；First outlet connecting pipe 2 is equal with the height of second outlet connecting tube 3；
The ratio between height of outlet of the import of first pipe casing coupling 4 and first pipe casing coupling 4 is between 4-5；Second pipe casing coupling 7 into
The ratio between mouth and the exit width of second pipe casing coupling 7 are 1:4.The design of above-mentioned structure ratio, when due to being pneumatic system work,
The requirement of its blast velocity control, from 5m/s-25m/s etc., needs to automatically adjust, theoretically calculate, increase to from 5m/s
It expands 5 times to 25m/s, so its air duct structure guarantees the deceleration between the speedup of 4-5 and 4 times, can achieve due
Reduce the effect of noise；Wind speed mutation pipeline 5 is utilized in wind tunnel system and carries out promutation, is mutated with this to increase, increases
Add the effect for reducing noise.
In order to preferably, according to certain orientation outlet air, a slope 13 be arranged in 1 connecting pipe of first outlet.
As the utility model preferred embodiment, it is obvious to a person skilled in the art that the utility model is unlimited
It, can in the details of above-mentioned exemplary embodiment, and without departing substantially from the spirit or essential attributes of the utility model
The utility model and the protection scope of the utility model are realized in other specific forms.Which point therefore, no matter come from
It sees, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by appended claims
Rather than above description limits, it is intended that by all changes that come within the meaning and range of equivalency of the claims capsule
It includes in the utility model.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of air duct structure, including lateral outlet conduit, first outlet connecting pipe, second outlet connecting tube, first pipe
Casing coupling, wind speed mutation pipeline, tee tube, second pipe casing coupling, the first air outlet pipeline, the second air outlet pipeline；The cross
To one end of the top of outlet conduit connection first outlet connecting pipe, the other end connection of the first outlet connecting pipe
One end of second outlet connecting tube, one end of the other end connection first pipe casing coupling of the second outlet connecting tube are special
Sign is that the other end of the first pipe casing coupling connects wind speed mutation pipeline, in the side of the wind speed mutation pipeline
One test mouth of setting；The first exit end of the other end connection tee tube of the wind speed mutation pipeline；The tee tube
One end of second outlet end connection second pipe casing coupling；The other end of second pipe casing coupling connects the first air outlet pipeline；It is described
Tee tube third outlet end connect the second air outlet pipeline.
2. a kind of air duct structure as described in claim 1, which is characterized in that the wind speed mutation pipeline and described second
The ratio between height of outlet connecting pipe is between 1:4-1:5.
3. a kind of air duct structure as described in claim 1, which is characterized in that the first outlet connecting pipe and second goes out
The height of mouth connecting tube is equal.
4. a kind of air duct structure as described in claim 1, which is characterized in that the import and first of the first pipe casing coupling
The ratio between height of outlet of pipeline casing coupling is between 4-5.
5. a kind of air duct structure as described in claim 1, which is characterized in that the import and second of the second pipe casing coupling
The ratio between exit width of pipeline casing coupling is 1:4.
6. a kind of air duct structure as described in claim 1, which is characterized in that the first outlet connecting pipe setting one is tiltedly
Slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465966.0U CN209673326U (en) | 2019-04-09 | 2019-04-09 | A kind of air duct structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465966.0U CN209673326U (en) | 2019-04-09 | 2019-04-09 | A kind of air duct structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673326U true CN209673326U (en) | 2019-11-22 |
Family
ID=68573718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465966.0U Active CN209673326U (en) | 2019-04-09 | 2019-04-09 | A kind of air duct structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209673326U (en) |
-
2019
- 2019-04-09 CN CN201920465966.0U patent/CN209673326U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103335773B (en) | Pipeline gas pressure measuring device | |
| CN102519703B (en) | Air terminal air volume balance detection analog device and analog detecting method thereof | |
| CN104391135A (en) | Calibration device and calibration method for micro wind speed based on laser doppler | |
| CN209673326U (en) | A kind of air duct structure | |
| CN203705299U (en) | Bypass pipeline installing device of differential pressure densimeter | |
| CN203635048U (en) | Guide device for ventilation air methane oxidation | |
| CN204942838U (en) | A kind of pipeline flexible connection structure | |
| CN204944561U (en) | A kind of low pressure loss surpasses accelerometer measuring device | |
| CN209586409U (en) | Simulate the experimental provision of a variety of production scene ventilations in mine | |
| CN104564122B (en) | City tunnel ventilation testing device with ramp | |
| CN208621482U (en) | A kind of conduit saddle corrosion testing device | |
| CN206132569U (en) | Dusty environment analog device | |
| CN204831399U (en) | Stifled amount of wind, flue gas flux measuring apparatu are prevented to array | |
| CN206233979U (en) | A kind of automobile exhaust pipe of Novel rotary noise reduction | |
| CN102116667A (en) | Large-aperture gas flow calibration device capable of providing two flow fields | |
| CN108386983A (en) | A kind of lower resistance diversion three-way component for air conditioner air hose | |
| CN204718653U (en) | A kind of distributed stream gauge | |
| CN204536363U (en) | A kind of standard wind speed detection system | |
| CN204313893U (en) | Fiber tube wind speed flowmeter | |
| CN103837703B (en) | Fluid fin flow guiding type bend speed measurement device and speed measurement method of fluid fin flow guiding type bend speed measurement device | |
| CN201917383U (en) | Large-diameter gas flow standard device capable of providing two flow fields | |
| CN207215216U (en) | A kind of gas flowmeter | |
| CN203178022U (en) | A direct measuring apparatus of the unstable-state force of the interaction between a shock wave and a model sphere | |
| CN206906413U (en) | A kind of pipeline pitot tube and pipeline test the speed tube assembly and pipeline velocity-measuring system | |
| CN205156010U (en) | Boiler pulverized coal feed pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |