CN206111680U - Efficient ventilation unit of low noise - Google Patents
Efficient ventilation unit of low noise Download PDFInfo
- Publication number
- CN206111680U CN206111680U CN201621015164.2U CN201621015164U CN206111680U CN 206111680 U CN206111680 U CN 206111680U CN 201621015164 U CN201621015164 U CN 201621015164U CN 206111680 U CN206111680 U CN 206111680U
- Authority
- CN
- China
- Prior art keywords
- layer
- noise reduction
- ventilation
- ventilation unit
- silencing cotton
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an efficient ventilation unit of low noise, relate to ventilation unit, including casing and flange, casing and flange joint, be equipped with noise damping layer and air pipe in the casing, the noise damping layer parcel is on air pipe, be equipped with the link in the air pipe, be connected with the motor on the link, be connected with the pivot on the motor, be connected with the blade in the pivot, be equipped with the wind gap in the air pipe, noise damping layer includes interior mixed noise damping layer and outer noise damping layer, interior noise damping layer includes the water service pipe and mixes layer amortization cottonly, be connected with inlet tube and outlet pipe on the water service pipe, outer noise damping layer includes the cotton and vacuum layer of amortization, inlay in the amortization cotton on the vacuum layer, it has rational in infrastructurely, practical function, noise cancelling effect is good, the advantage of ventilation effect has been guaranteed.
Description
Technical field
The utility model is related to ventilation unit, and in particular to a kind of ventilation unit of low noise efficient rate.
Background technology
The characteristics of propeller fan has big flow, small volume, low pressure head, in the various ventilating systems for needing big flow
It is widely used.Simplest ventilation unit is in one motor of a flanged (FLGD) cylinder intermediate arrangement, and in electricity
One impeller is installed with arbor and constitutes a propeller fan main frame.In order to reduce the noise of axial flow blower and improve work effect
Rate, typically directly wraps up silencing cotton in the external side of main barrel, and the effect for reducing noise is poor, and has some to lead in main barrel body
The circuit for changing ventilation shaft pair is crossed, noise reduction layer is installed and is realized noise reduction, this device can cause ventilation shaft interior air-flow obstructed,
Eddy current loss is larger.
The content of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of low noise efficient rate
Ventilation unit, its is rational in infrastructure, good muffling effect, it is ensured that the effect of ventilation.
For achieving the above object, the utility model is achieved by the following technical programs：
A kind of ventilation unit of low noise efficient rate, including housing and flange, housing is connected with flange, is provided with housing and disappears
Sound-absorbing layer and ventilation shaft, noise reduction layer is wrapped on ventilation shaft, and link is provided with ventilation shaft, is connected with link electronic
Machine, is connected with rotating shaft on motor, blade is connected with rotating shaft, and air port is provided with ventilation shaft, and noise reduction layer includes that interior mixing disappears
Sound-absorbing layer and outer noise reduction layer, interior noise reduction layer includes water service pipe and mixed layer silencing cotton, and water inlet pipe and outlet pipe are connected with water service pipe,
Outer noise reduction layer includes silencing cotton and vacuum layer, and vacuum layer is embedded in silencing cotton.
Further, the air port adopts annular tuyere.
Further, on the air port at least provided with three concentric circles, equal in magnitude, and the shape in section in the section of concentric circles
Shape is identical, and the inner edge of concentric circles is curved.
Further, the water service pipe is in double-layer spiral shape, is filled with mixed layer in interior mixing noise reduction layer around water service pipe
Silencing cotton.
Further, the mixed layer silencing cotton and silencing cotton adopt honeycomb cotton.
In sum, the utility model has the advantages that：Rational in infrastructure, the erasure effect of the ventilation unit of low noise efficient rate
It is good, it is ensured that the effect of ventilation, foreign matter can be intercepted while ventilation, can according to demand reduce or raise in ventilation shaft
Temperature.
Description of the drawings
Fig. 1 is the front view of the utility model embodiment；
Fig. 2 is that the utility model embodiment faces generalized section；
Fig. 3 is the side-looking partial cutaway schematic of the utility model embodiment；
Fig. 4 is the generalized section of the water service pipe of the utility model embodiment；
Fig. 5 is the generalized section of the concentric circles of the utility model embodiment；
In figure, 1, air port, 2, noise reduction layer, 3, flange, 4, water inlet pipe, 5, outlet pipe, 6, blade, 7, ventilation shaft, 8, turn
Axle, 9, link, 10, mixed layer silencing cotton, 11, water service pipe, 12, silencing cotton, 13, vacuum layer.
Specific embodiment
The utility model is further described below in conjunction with accompanying drawing and specific embodiment：
As shown in Figures 1 to 5, a kind of ventilation unit of low noise efficient rate, including housing and flange 3, housing and flange 3
Connection, is provided with noise reduction layer 2 and ventilation shaft 7 in housing, noise reduction layer 2 is wrapped on ventilation shaft 7, the company of being provided with ventilation shaft 7
Frame 9 is connect, motor is connected with link 9, rotating shaft 8 is connected with motor, blade 6, ventilation shaft 7 are connected with rotating shaft 8
Inside be provided with air port 1, air port 1 adopts annular tuyere, air port 1 is provided with four concentric circles, noise reduction layer include interior mixing noise reduction layer and
Outer noise reduction layer, interior noise reduction layer includes water service pipe 11 and mixed layer silencing cotton 10, and water inlet pipe 4 and outlet pipe are connected with water service pipe 11
5, water service pipe 11 is in double-layer spiral shape, is filled with mixed layer silencing cotton 10 in interior mixing noise reduction layer around water service pipe 11, is disappeared outward
Sound-absorbing layer includes silencing cotton 12 and vacuum layer 13, and vacuum layer 13 is embedded in silencing cotton 12.
Further, the section of the concentric circles is equal in magnitude, and the shape in section is identical, and the inner edge of concentric circles is in arc
Shape.
Further, the mixed layer silencing cotton 10 and silencing cotton 12 adopt honeycomb cotton.
As can be seen here, the ventilation unit of the low noise efficient rate is rational in infrastructure, and comprehensive utilization mixes noise reduction layer and outer noise reduction
Layer can effectively carry out noise reduction sound-absorbing, and water inlet pipe 4 is passed into water in water service pipe 11 in ventilation process, and water outlet is then passed through again
Pipe 5 is discharged, if only need to lead to full water rear enclosed group in water service pipe 11 when only needing to play sound deadening using water service pipe 11 entered
Water pipe 4 and outlet pipe 5, if necessary to year ventilation duct 11 in temperature be adjusted when only need to change and be passed through in water service pipe 11
The temperature of water, then constantly carries out water inlet pipe 4 and intakes, and the operation of the water outlet of outlet pipe 5 is easy to operate, and
Water service pipe 11 is in double-layer spiral shape, is filled with mixed layer silencing cotton 10, Neng Gougeng in interior mixing noise reduction layer around water service pipe 11
The effect of good guarantee sound insulation noise reduction；Comprehensive utilization mixed layer silencing cotton 10, silencing cotton 12, vacuum layer 13 and water service pipe 11, can
Effectively to strengthen the effect of sound-absorbing noise reduction, air port 1 is set in ventilation shaft 7, can effectively avoid some foreign matters from entering logical
The operating efficiency of the ventilation unit of low noise efficient rate is affected in airduct 7, while air port 1 adopts annular tuyere, can ensured
Sound deadening is played while ventilation effect, and the inner edge of concentric circles is curved, the concentric circles for enabling to be set on air port 1 can
Preferably coordinate the flow direction of ventilation state leeward, reduce noise and ensure ventilation effect.
For a person skilled in the art, other can be made various corresponding according to above technical scheme and design
Change and deformation, and all these change and deformation all should belong to the utility model scope of the claims it
It is interior.
Claims (5)
1. a kind of ventilation unit of low noise efficient rate, including housing and flange (3), housing is connected with flange (3), sets in housing
There are noise reduction layer (2) and ventilation shaft (7), noise reduction layer (2) is wrapped on ventilation shaft (7), in ventilation shaft (7) link is provided with
(9), motor is connected with link (9), rotating shaft (8) is connected with motor, blade (6) is connected with rotating shaft (8), it is special
Levy and be：Air port (1) is provided with the ventilation shaft (7), noise reduction layer includes interior mixing noise reduction layer and outer noise reduction layer, interior noise reduction layer
Including water service pipe (11) and mixed layer silencing cotton (10), water inlet pipe (4) and outlet pipe (5) are connected with water service pipe (11), are disappeared outward
Sound-absorbing layer includes silencing cotton (12) and vacuum layer (13), and vacuum layer (13) is embedded in silencing cotton (12).
2. the ventilation unit of low noise efficient rate according to claim 1, it is characterised in that：The air port (1) adopts ring
Shape air port.
3. the ventilation unit of low noise efficient rate according to claim 2, it is characterised in that：On the air port (1) at least
Three concentric circles are provided with, the inner edge of concentric circles is curved.
4. the ventilation unit of low noise efficient rate according to claim 1, it is characterised in that：The water service pipe (11) is in double
Helical layer shape, is filled with mixed layer silencing cotton (10) around water service pipe (11) in interior mixing noise reduction layer.
5. the ventilation unit of low noise efficient rate according to claim 1, it is characterised in that：The mixed layer silencing cotton
(10) and silencing cotton (12) adopt honeycomb cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015164.2U CN206111680U (en) | 2016-08-31 | 2016-08-31 | Efficient ventilation unit of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015164.2U CN206111680U (en) | 2016-08-31 | 2016-08-31 | Efficient ventilation unit of low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111680U true CN206111680U (en) | 2017-04-19 |
Family
ID=58516004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621015164.2U Expired - Fee Related CN206111680U (en) | 2016-08-31 | 2016-08-31 | Efficient ventilation unit of low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111680U (en) |
-
2016
- 2016-08-31 CN CN201621015164.2U patent/CN206111680U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170419 Termination date: 20180831 |