CN107543302A - A kind of noise reduction VMC - Google Patents
A kind of noise reduction VMC Download PDFInfo
- Publication number
- CN107543302A CN107543302A CN201710716828.0A CN201710716828A CN107543302A CN 107543302 A CN107543302 A CN 107543302A CN 201710716828 A CN201710716828 A CN 201710716828A CN 107543302 A CN107543302 A CN 107543302A
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- China
- Prior art keywords
- noise reduction
- bucket
- wall
- interior
- perforates
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Abstract
The invention discloses a kind of noise reduction VMC, includes new blower fan, and the outlet pipe of new blower fan is connected with a denoising structure；Denoising structure includes interior noise reduction bucket, and the interior noise reduction bucket is barrel-shaped, the one end open of the interior noise reduction bucket, and the other end is closed；One end of closing is provided with air inlet pipe and escape pipe, and air inlet pipe and escape pipe inside interior noise reduction bucket with connecting；Also include and close at the outer encirclement bucket of interior noise reduction bucket parcel closing, the outer both ends for surrounding bucket, air inlet pipe and escape pipe are through the same end face of outer encirclement bucket；Designed by acoustic construction, realize the layering decay of gas pulsation, so as to effectively reduce vibrations noise, especially gas low frequency noise.
Description
Technical field
The present invention relates to a kind of noise reduction VMC.
Background technology
At present, indoor noise reduction more and more obtains the attention of people, especially the use of various VMCs at present, because
, in order to obtain preferable noise control, people design various denoising structures for this, wherein, carry out noise reduction exclusively for air pipe structure
Be particularly important.
The content of the invention
It is an object of the invention to overcome disadvantages described above, there is provided a kind of noise reduction VMC.
To achieve the above object, concrete scheme of the invention is as follows：A kind of noise reduction VMC, includes new blower fan, newly
The outlet pipe of blower fan is connected with a denoising structure；Include interior noise reduction bucket, the interior noise reduction bucket is barrel-shaped, the interior drop
Make an uproar the one end open of bucket, other end closing；One end of closing is provided with air inlet pipe and escape pipe, air inlet pipe and escape pipe with it is interior
Connected inside noise reduction bucket；Also include and close at the outer encirclement bucket of interior noise reduction bucket parcel closing, the outer both ends for surrounding bucket, air inlet
Pipe and escape pipe are through the same end face of outer encirclement bucket；
The first noise reduction wall, the second noise reduction wall higher than the first noise reduction wall are provided with the interior noise reduction bucket inwall, around inwall, is higher than
3rd noise reduction wall of the second noise reduction wall；The internal diameter of first noise reduction wall is less than the second noise reduction wall, the internal diameter of the second noise reduction wall is less than the
Three noise reduction walls；
First noise reduction wall is provided with multiple first perforates, the second noise reduction wall is provided with multiple second perforates；3rd noise reduction wall
It is provided with multiple 3rd perforates；4th noise reduction wall is provided with multiple 4th perforates；
The bucket bottom inner bottom surface of the interior noise reduction bucket is provided with segmenting wall body, and the air inlet pipe and escape pipe are located at the two of wall respectively
Side.
Wherein, the first perforate on the first noise reduction wall is four, and four the first perforate arc length are set；On second noise reduction wall
The second perforate be four, and four the second perforate arc length are set；The 3rd perforate on 3rd noise reduction wall is four, and four the
Three perforate arc length are set.
Wherein, the surface of the interior noise reduction bucket is additionally provided with the 4th perforate.
Wherein, it is covered with film in the 4th perforate.
Beneficial effects of the present invention are：Designed by acoustic construction, the layering decay of gas pulsation is realized, so as to effectively drop
Low vibrations noise, especially gas low frequency noise.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the stereogram of the denoising structure of the present invention；
Fig. 3 is the broken away view of the denoising structure of the present invention；
Fig. 4 is the sectional view of the denoising structure of the present invention；
Fig. 5 is the partial sectional view of interior noise reduction bucket；
Description of reference numerals in Fig. 1 to Fig. 5：
Bucket is surrounded outside 1-；Noise reduction bucket in 2-；The perforates of 21- first；The perforates of 22- second；The perforates of 23- the 3rd；The perforates of 24- the 4th；31-
First noise reduction wall；The noise reduction walls of 32- second；The noise reduction walls of 33- the 3rd；4- segmenting wall bodies；5- air inlet pipe；6- escape pipes；The new blower fans of 7-.
Embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not the reality the present invention
Apply scope and be confined to this.
As shown in Figures 1 to 5, a kind of noise reduction VMC described in the present embodiment, includes new blower fan 7, new blower fan
Outlet pipe is connected with a denoising structure；Include interior noise reduction bucket 2, the interior noise reduction bucket 2 is barrel-shaped, the interior noise reduction bucket
2 one end open, other end closing；One end of closing is provided with air inlet pipe 5 and escape pipe 6, air inlet pipe 5 and escape pipe 6 with
The interior inside of noise reduction bucket 2 connects；Also include the outer encirclement bucket 1 that interior noise reduction bucket 2 is wrapped up to closing, the outer both ends for surrounding bucket 1 are sealed
Close, air inlet pipe 5 and escape pipe 6 are through the same end face of outer encirclement bucket 1；
The first noise reduction wall 31, the second noise reduction wall higher than the first noise reduction wall 31 are provided with the interior inwall of noise reduction bucket 2, around inwall
32nd, higher than the 3rd noise reduction wall 33 of the second noise reduction wall 32；The internal diameter of first noise reduction wall 31 is less than the second noise reduction wall 32, the second noise reduction
The internal diameter of wall 32 is less than the 3rd noise reduction wall 33；
First noise reduction wall 31 is provided with multiple first perforates 21, the second noise reduction wall 32 is provided with multiple second perforates 22；The
Three noise reduction walls 33 are provided with multiple 3rd perforates 23；4th noise reduction wall is provided with multiple 4th perforates 24；
The bucket bottom inner bottom surface of the interior noise reduction bucket 2 is provided with segmenting wall body 4, and the air inlet pipe 5 and escape pipe 6 are respectively positioned at wall
Both sides.
The present invention is designed by acoustic construction, realizes the layering decay of gas pulsation, so as to effectively reduce vibrations noise, especially
It is gas low frequency noise.
A kind of noise reduction VMC described in the present embodiment, the first perforate 21 on the first noise reduction wall 31 are four, and four
The individual arc length of first perforate 21 is set；The second perforate 22 on second noise reduction wall 32 is four, and four arc length of the second perforate 22 are set
Put；The 3rd perforate 23 on 3rd noise reduction wall 33 is four, and four arc length of the 3rd perforate 23 are set.One described in the present embodiment
Kind noise reduction VMC, the surface of the interior noise reduction bucket 2 is additionally provided with the 4th perforate 24.A kind of noise reduction fresh air described in the present embodiment
System, film is covered with the 4th perforate 24.
Described above is only the preferred embodiment of the present invention, therefore all structures described according to present patent application scope
Make, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.
Claims (5)
- A kind of 1. noise reduction VMC, it is characterised in that：Include new blower fan（7）, the outlet pipe of new blower fan is connected with one Denoising structure.
- A kind of 2. noise reduction VMC according to claim 1, it is characterised in that：Denoising structure includes interior noise reduction bucket （2）, the interior noise reduction bucket（2）To be barrel-shaped, the interior noise reduction bucket（2）One end open, the other end closing；One end of closing is set There is air inlet pipe（5）And escape pipe（6）, air inlet pipe（5）And escape pipe（6）With interior noise reduction bucket（2）Inside connection；Also include By interior noise reduction bucket（2）Wrap up the outer encirclement bucket of closing（1）, outer encirclement bucket（1）Both ends close, air inlet pipe（5）And escape pipe （6）Run through outer encirclement bucket（1）Same end face；The interior noise reduction bucket（2）The first noise reduction wall is provided with inwall, around inwall（31）, higher than the first noise reduction wall（31）Second Noise reduction wall（32）, higher than the second noise reduction wall（32）The 3rd noise reduction wall（33）；First noise reduction wall（31）Internal diameter be less than second drop Make an uproar wall（32）, the second noise reduction wall（32）Internal diameter be less than the 3rd noise reduction wall（33）；First noise reduction wall（31）It is provided with multiple first perforates（21）, the second noise reduction wall（32）It is provided with multiple second perforates （22）；3rd noise reduction wall（33）It is provided with multiple 3rd perforates（23）；4th noise reduction wall is provided with multiple 4th perforates（24）；The interior noise reduction bucket（2）Bucket bottom inner bottom surface be provided with segmenting wall body（4）, the air inlet pipe（5）And escape pipe（6）Position respectively In the both sides of wall.
- A kind of 3. noise reduction VMC according to claim 2, it is characterised in that：First noise reduction wall（31）On first open Hole（21）For four, and four the first perforates（21）Arc length is set；Second noise reduction wall（32）On the second perforate（22）For four, And four the second perforates（22）Arc length is set；3rd noise reduction wall（33）On the 3rd perforate（23）For four, and four the 3rd are opened Hole（23）Arc length is set.
- A kind of 4. noise reduction VMC according to claim 2, it is characterised in that：The interior noise reduction bucket（2）Surface also Provided with the 4th perforate（24）.
- A kind of 5. noise reduction VMC according to claim 2, it is characterised in that：4th perforate（24）On be covered with Film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716828.0A CN107543302A (en) | 2017-08-21 | 2017-08-21 | A kind of noise reduction VMC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716828.0A CN107543302A (en) | 2017-08-21 | 2017-08-21 | A kind of noise reduction VMC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107543302A true CN107543302A (en) | 2018-01-05 |
Family
ID=60957485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710716828.0A Withdrawn CN107543302A (en) | 2017-08-21 | 2017-08-21 | A kind of noise reduction VMC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107543302A (en) |
-
2017
- 2017-08-21 CN CN201710716828.0A patent/CN107543302A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180105 |
|
| WW01 | Invention patent application withdrawn after publication |