CN206037346U - Wind channel of making an uproar falls - Google Patents
Wind channel of making an uproar falls Download PDFInfo
- Publication number
- CN206037346U CN206037346U CN201620865371.0U CN201620865371U CN206037346U CN 206037346 U CN206037346 U CN 206037346U CN 201620865371 U CN201620865371 U CN 201620865371U CN 206037346 U CN206037346 U CN 206037346U
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- Prior art keywords
- air channel
- air
- windward slope
- noise reduction
- slope
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- 230000009467 reduction Effects 0.000 claims abstract description 26
- 238000009423 ventilation Methods 0.000 claims abstract description 3
- 239000011358 absorbing material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
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- 238000013461 design Methods 0.000 description 3
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- 238000009413 insulation Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
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- 230000002860 competitive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a wind channel of making an uproar falls, include: air intake, wind channel and air outlet, wind channel of making an uproar falls still includes water conservancy diversion spare, the inside in the wind channel is installed to water conservancy diversion spare, water conservancy diversion spare is streamlined water conservancy diversion spare, water conservancy diversion spare includes upper surface and lower surface, upper surface and lower surface correspond from top to bottom and connect, the front end of upper surface and lower surface and the intermediate formation confined packing chamber that the preceding most advanced and back pointed end of formation, upper surface and lower surface are connected respectively to the rear end, it has sound absorbent to fill the chamber packing, the upper surface includes first windward slope and the second windward slope that sets gradually according to the ventilation direction, first windward slope and second windward slope domatic relative with the air intake, the slope of first windward slope is a, and the slope of second windward slope is b, wherein a< B, the lower surface includes the third windward slope, third windward slope domatic relative with the air intake, this wind channel of making an uproar falls reduces the space volume of occuping through built -in water conservancy diversion spare, and the noise reduction effect is good.
Description
Technical field
This utility model is related to gradual change air duct noise-reducing technical field, and in particular to a kind of noise reduction air channel.
Background technology
As the progress and the development of science and technology in epoch, the noise requirements of equipment are more and more stricter, for example large-scale air is processed
Machine especially requires indoor quiet in some special occasions such as hospital, school.The equipment such as the little air processing machine of noise undoubtedly have
Bigger competitive advantage, with the requirement for constantly seeking miniaturization energy-saving, many related external noise reduction measures are free due to not being
Between and more being difficult to carry out, in addition, the noise of a system is mainly by the higher position of noise determining, therefore at air
It will be a very effective method that the higher blower fan import and export of the noise of equipment such as reason machine carries out noise reduction process.
The current bionical streamlined air channel of noise reduction no matured product at home.Such as Patent No. 201510035602.5
A kind of smoke canal elbow with streamlined water conservancy diversion module, although utilizing streamlined water conservancy diversion module, makes flue interior flow field more equal
Even, the pressure loss is little, reaches the effect of certain energy-saving and noise-reducing, it is apparent that the potentiality of bionical noise reduction technology be not applied and
Play, undoubtedly can further more preferable noise reduction using the streamlined drag principle of birds body.Administer fan noise to adopt mostly
Noise elimination cylinder device is used, but during use, dust easily blocks an internal diabetes sound channel micropore, makes muffler part cover with dust, causes
Its soundproof effect is not good, it is difficult to reach Standard of Environmental Noise and noise of equipment standard, damages the healthy of operator, affects
The orthobiosiss of resident, and resistance is larger；A kind of Chinese patent of such as entitled civil engineering air channel Combined type muffler
201120505188, using the silencer element of sound-absorbing material composition come noise reduction, although can flexibly adjust installation, but undoubtedly reduce
Actual internal area, increased resistance so that air velocity reduces, and affect the efficiency of all kinds of blower fans, waste electric power resource.At present
Also have the noise reducing apparatus such as sound absorption and insulation room, sound absorption and insulation cover on market, be covered in air channel noise it is strong where, make an uproar for reducing
Sound.A kind of such as entitled patent 201520052279.8 suitable for being frequently necessary to the blower acoustic hood for overhauling, the acoustic hood
Although overcome making troubles to fan repair, monitoring, pipeline arrangement etc., this noise reducing apparatus complex structure, it is impossible to from root
Noise is reduced on source, it is inconvenient using installing, burden is brought to user, and external noise reducing apparatus performance is bad.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of noise reduction air channel, the noise reduction wind
Road space hold amount, excellent noise reduction effect are reduced by built-in conducting element.
The purpose of this utility model employs the following technical solutions realization：A kind of noise reduction air channel, including：Air inlet, air channel and
Air outlet；The air inlet is arranged on the wind inlet end in air channel；The air outlet is arranged on the outlet air end in air channel；The noise reduction air channel
Also include conducting element；The conducting element is arranged on the inside in air channel；The conducting element is streamlined conducting element；The conducting element
Front-end and back-end are respectively front tip and rear tip；The conducting element includes upper and lower surface；The upper surface and following table
Face is closed to be enclosed to form filled cavity；The filled cavity is filled with sound-absorbing material；The upper surface includes being set by direction of ventilation successively
The first windward slope put and the second windward slope；First windward slope and the second windward slope it is domatic relative with air inlet；It is described
The gradient of the first windward slope is a, and the gradient of the second windward slope is b, wherein a<b；The lower surface includes the 3rd windward slope；It is described
3rd windward slope it is domatic relative with air inlet.
Preferably, the air channel is rectangular duct.
Preferably, the air channel also includes blower fan connector；The blower fan connector is arranged on the outer of air channel wind inlet end
Wall, and stretch out along outer wall.
Preferably, the noise reduction air channel also includes blower fan；The blower fan is connected with air channel by blower fan connector.
Preferably, the air channel also includes air pipe connector；The air pipe connector is arranged on the outer of air channel outlet air end
Wall, and stretch out along outer wall.
Preferably, the inwall in the air channel is equipped with sound-absorbing material.
Preferably, the sound-absorbing material is polyurethane foam plastics sound-absorbing material.
Compared to existing technology, the beneficial effects of the utility model are：
1st, this utility model directly arranges water conservancy diversion in air channel by studying to the flowing of hair-dryer air channel interior air-flow
Part, plays a part of noise reduction；
2nd, conducting element of the present utility model optimizes air channel interior air-flow flowing, reduces flow resistance, while using in water conservancy diversion
Filling sucting sound material in body, further reduces the noisiness of incoming interior；
3rd, baffle of the present utility model adopts the variform airflow design of upper and lower surface, can make inside air channel
Distinguished and admirable more uniform, the pressure loss is little so that air flow resistance is little, reduces the strength of vortex of air channel second half section, improves sky
The circulation efficiency of gas, reaches the effect of energy-saving and noise-reducing；
4th, this utility model is conducive to the miniaturization of equipment, has the advantages that small volume, easy for installation, excellent noise reduction effect.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Wherein, 1, air inlet；2nd, rectangular duct；21st, blower fan connector；22nd, air pipe connector；3rd, air outlet；4th, blower fan；
5th, conducting element；51st, upper surface；511st, the first windward slope；512nd, the second windward slope；52nd, lower surface；521st, the 3rd windward slope；53、
Filled cavity.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, this utility model is described further：
Reference Fig. 1, a kind of noise reduction air channel, including：Air inlet 1, rectangular duct 2, air outlet 3, blower fan 4 and conducting element 5；Institute
Stating rectangular duct 2 includes blower fan connector 21 and air pipe connector 22；The blower fan connector 21 is arranged on 2 inlet air of rectangular duct
The outer wall at end, and stretch out along outer wall；The blower fan 4 is connected with rectangular duct 2 by blower fan connector 21；The airduct connects
Fitting 22 is arranged on the outer wall of 2 outlet air end of rectangular duct, and stretches out along outer wall；The air inlet 1 is arranged on rectangular duct 2
Wind inlet end；The air outlet 3 is arranged on the outlet air end of rectangular duct 2；The conducting element 5 is arranged on the inside of rectangular duct 2；
The conducting element 5 is streamlined conducting element 5；The front-end and back-end of the conducting element 5 are respectively front tip and rear tip；It is described to lead
Stream part 5 includes upper surface 51 and lower surface 52；The upper surface 51 and lower surface 52 is closed encloses to form filled cavity 53；It is described to fill out
Chamber 53 is filled filled with sound-absorbing material；The inwall of the rectangular duct 2 is also equipped with sound-absorbing material；The upper surface 51 is included by logical
The first windward slope 511 and the second windward slope 512 that wind direction sets gradually；First windward slope 511 and the second windward slope 512
It is domatic relative with air inlet 1；The gradient of first windward slope 511 is a, and the gradient of the second windward slope 512 is b, wherein a<
b；The lower surface 52 includes the 3rd windward slope 521；The domatic and air inlet 1 of the 3rd windward slope 521 is relative.
5 design concept of conducting element of the present utility model comes from：In nature, the most fast birds of the level speed red dried meat autumn is husky
The appearance profile of duck.It is according in nature, biology is for reform of nature environment and meets living necessities, through the evolution of 1 years, excellent
Dissolve the functional character of the optimum adaptation and uniqueness highly adapted to living environment.Wherein red dried meat merganser is aerial to fly
Scanning frequency degree has reached 129 kilometers/hour, it is seen that its air drag it is little.
Wind enters rectangular duct 2 by the suction of blower fan 4 from air inlet 1, and the conducting element 5 inside rectangular duct 2 is led
Wind is shunted by stream part 5, first blows over the first windward slope 511 through the wind of 5 upper surface 51 of conducting element, then through the second windward slope 512
After-blow is to air outlet 3；The 3rd windward slope 521 is blowed air over through 5 lower surface 52 of conducting element, then blow to air outlet 3；Due to upper
Surface 51 is different with the shape of lower surface 52, staggers distinguished and admirable, reduces the situation for producing vortex；Subsequently wind is after conducting element 5
Sophisticated place converges；Then blow out from air outlet 3；Conducting element 5 is filled with sound-absorbing material, and the inwall of rectangular duct 2 is also equipped with suction
Sound material, limits ground reduce noise.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of this utility model claim
Within the scope of.
Claims (7)
1. a kind of noise reduction air channel, including：Air inlet, air channel and air outlet；The air inlet is arranged on the wind inlet end in air channel；It is described
Air outlet is arranged on the outlet air end in air channel；It is characterized in that：The noise reduction air channel also includes conducting element；The conducting element is arranged on
The inside in air channel；The conducting element is streamlined conducting element；The front-end and back-end of the conducting element are respectively front tip and metacone
End；The conducting element includes upper and lower surface；The upper and lower surface is closed to be enclosed to form filled cavity；The filling
Chamber is filled with sound-absorbing material；The upper surface includes the first windward slope and the second windward slope set gradually by direction of ventilation；Institute
State the domatic relative with air inlet of the first windward slope and the second windward slope；The gradient of first windward slope be a, the second windward slope
The gradient be b, wherein a<b；The lower surface includes the 3rd windward slope；3rd windward slope it is domatic relative with air inlet.
2. noise reduction air channel according to claim 1, it is characterised in that：The air channel is rectangular duct.
3. noise reduction air channel according to claim 1, it is characterised in that：The air channel also includes blower fan connector；The wind
Machine connector is arranged on the outer wall of air channel wind inlet end, and stretches out along outer wall.
4. noise reduction air channel according to claim 3, it is characterised in that：The noise reduction air channel also includes blower fan；The blower fan
It is connected with air channel by blower fan connector.
5. noise reduction air channel according to claim 1, it is characterised in that：The air channel also includes air pipe connector；The wind
Pipe connections are arranged on the outer wall of air channel outlet air end, and stretch out along outer wall.
6. noise reduction air channel according to claim 1, it is characterised in that：The inwall in the air channel is equipped with sound-absorbing material.
7. according to the arbitrary described noise reduction air channel of claim 1-6, it is characterised in that：The sound-absorbing material is moulded for polyurethane foam
Material sound-absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865371.0U CN206037346U (en) | 2016-08-10 | 2016-08-10 | Wind channel of making an uproar falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865371.0U CN206037346U (en) | 2016-08-10 | 2016-08-10 | Wind channel of making an uproar falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206037346U true CN206037346U (en) | 2017-03-22 |
Family
ID=58309352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865371.0U Expired - Fee Related CN206037346U (en) | 2016-08-10 | 2016-08-10 | Wind channel of making an uproar falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206037346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761620A (en) * | 2017-10-24 | 2018-03-06 | 徐工集团工程机械有限公司 | Air channel part and road cleaner |
-
2016
- 2016-08-10 CN CN201620865371.0U patent/CN206037346U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761620A (en) * | 2017-10-24 | 2018-03-06 | 徐工集团工程机械有限公司 | Air channel part and road cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 |