CN206320054U - A kind of noise reduction centrifugal fan - Google Patents
A kind of noise reduction centrifugal fan Download PDFInfo
- Publication number
- CN206320054U CN206320054U CN201621231458.9U CN201621231458U CN206320054U CN 206320054 U CN206320054 U CN 206320054U CN 201621231458 U CN201621231458 U CN 201621231458U CN 206320054 U CN206320054 U CN 206320054U
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- CN
- China
- Prior art keywords
- housing
- motor
- ventilation unit
- import manifold
- casing
- 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 discloses a kind of noise reduction centrifugal fan, it is characterized in：Including ventilation unit, ventilation unit includes import manifold and centrifugal blower, the body structure of import manifold is made up of quieter material, polylith drainage acoustical panel is provided with import manifold, air inlet and air outlet are provided with import manifold, centrifugal blower is made up of motor, impeller and casing, and the air outlet of import manifold and the air intake vent of casing are connected；Housing is arranged with outside ventilation unit, the bottom of housing is provided with castor, the madial wall of housing is provided with the radiator of correspondence motor, the through hole of the air inlet of the air outlet for corresponding to casing respectively and import manifold is provided with housing, the controlling switch for being provided with and being electrically connected with motor in groove, groove is additionally provided with housing；Gap between housing and ventilation unit is filled with silencing cotton；The surfaces externally and internally of housing is respectively arranged with anti-corrosion plastic-spraying layer.The utility model has low noise, conveniently moving and the etch-proof feature of Water-proof sun-proof.
Description
Technical field
The utility model belongs to ventilation blower technical field, more particularly, to a kind of noise reduction centrifugal fan.
Background technology
Ventilation blower is the mechanical energy by input, improves gas pressure and supplies gas side by side the machinery of body, it is a kind of driven
Fluid machinery.Ventilation blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge and cold
But, cooling and ventilation in the ventilation of boiler and industrial furnace and air inducing, the apparatus of air conditioning and domestic electric appliance, cereal
Dry and select and recommend, inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc..Existing ventilation blower uses the noise reduction air intake of mixed flow straight tube
Unit, its erasure effect is poor, and noise is larger during work, be not suitable for it is relatively near from residential block and occasion, such as city incity
Food storage unit, factory etc., noise can be impacted to neighbouring people.Food storage unit use ventilation blower when, it is necessary to right
Ventilation blower moves to select different vent positions, and ventilation blower be typically placed in it is outdoor, it is therefore desirable to one kind is convenient
It is mobile, and can the sun-proof etch-proof ventilation blower of rain-proof.
The content of the invention
The purpose of this utility model be for above-mentioned prior art exist deficiency there is provided a kind of noise reduction centrifugal fan,
It has low noise, conveniently moving and the etch-proof feature of Water-proof sun-proof.
To achieve these goals, the technical scheme that the utility model is used is：A kind of noise reduction centrifugal fan, including
Ventilation unit, the ventilation unit includes import manifold and centrifugal blower, and the body structure of the import manifold is by disappearing
Sound material is made, and is provided with import manifold on polylith drainage acoustical panel, import manifold and is provided with air inlet and air outlet,
The centrifugal blower is made up of motor, impeller and casing, and the main shaft connection of the impeller and motor, impeller outer is arranged casing, institute
The air intake vent of the air outlet and casing of stating import manifold is connected；
Housing is arranged with outside the ventilation unit, the bottom of the housing is provided with castor, and the madial wall of the housing is set
It is equipped with the air inlet that the air outlet and import manifold that correspond to casing respectively are provided with the radiator of correspondence motor, the housing
Through hole, be additionally provided with groove, the groove on the housing and be provided with the controlling switch electrically connected with motor；
Gap between the housing and ventilation unit is filled with silencing cotton；
The surfaces externally and internally of the housing is respectively arranged with anti-corrosion plastic-spraying layer.
Pushing hands handle is additionally provided with the housing.
The controlling switch is that electromagnetic start and earth leakage protective start control cabinet.
The bottom of the housing is provided with the heating outlet of correspondence motor.
After said structure, the utility model is compared to the prior art advantageously：It is of the present utility model enter
The silencing cotton that gap is filled between mouth manifold and housing and ventilation unit has very strong sound-insulation function, can be effective
Reduce noise pollution during ventilation blower work；Castor makes ventilation blower be easy to movement；The anti-corrosion plastic-spraying layer set on housing and housing
The Water-proof sun-proof Corrosion Protection of ventilation blower can be improved, is conducive to extending the service life of ventilation blower.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As described below is only preferred embodiment of the present utility model, does not therefore limit protection model of the present utility model
Enclose, the utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment, as shown in Figure 1：A kind of noise reduction centrifugal fan, including ventilation unit, ventilation unit include import afflux
Case 1 and centrifugal blower, the body structure of import manifold 1 are made up of quieter material, import manifold 1 is had sound-insulation
Polylith drainage acoustical panel 2 is provided with effect, import manifold 1, polylith drainage acoustical panel 2 is interlaced to be set, and makes wind energy edge
The bending flowing of drainage acoustical panel 2, increase to eliminate and be provided with air intake on the ability of the noise produced during wind flow, import manifold 1
Mouth 3 and air outlet 4, centrifugal blower are made up of motor 5, impeller (accompanying drawing is not drawn into) and casing 6, and the main shaft of impeller and motor 5 connects
Connect, impeller outer is arranged casing 6, the air outlet 4 of import manifold 1 is connected with the air intake vent of casing 6.
Housing 7 is arranged with outside ventilation unit, the bottom of housing 7 is provided with castor 8；The madial wall of housing 7 is provided with correspondence
The radiator 9 of motor 5；Be provided with housing 7 air outlet 13 for corresponding to casing 6 respectively and import manifold 1 air inlet 3 it is logical
Hole, enters air inlet 3 from through hole so that wind energy is enough and out enters working region from air outlet 13；It is additionally provided with housing 7 recessed
The controlling switch 11 electrically connected with motor 5 is provided with groove 10, groove 10, groove 10 can prevent controlling switch 11 by Exposure to Sunlight rain
Drench.
Gap filling silencing cotton 12 between housing 7 and ventilation unit, further increases its sound insulation silencing function.
The surfaces externally and internally of housing 7 is respectively arranged with anti-corrosion plastic-spraying layer (accompanying drawing is not drawn into), and anti-corrosion plastic-spraying layer has anti-corrosion function, its
Coordinate with housing, ventilation blower is not feared and expose to the sun and rain, the service life of ventilation blower can be extended.
It is preferred that, pushing hands handle 14 is additionally provided with housing 7, pushing hands handle 14 facilitates operating personnel's movable ventilation machine.
It is preferred that, controlling switch 11 is that electromagnetic start and earth leakage protective start control cabinet, the use of ventilation blower is more pacified
Entirely.
It is preferred that, the bottom of housing 7 is provided with the heating outlet 15 of correspondence motor 5, and the heat that motor 5 is produced when working can be with
Discharged by heating outlet 15.
The utility model uses model NHXY4-72-6C centrifugal blower, and its power is 4KW/7.5KW, supply voltage
It is for 380V, rotating speed, 1450/1800 revolution per second, blast are that 1139/1760PA, air quantity are 13353/14734M3/H, therefore, tool
There is low energy consumption, the characteristics of drafting efficiency is high.
Claims (4)
1. a kind of noise reduction centrifugal fan, it is characterised in that：Including ventilation unit, the ventilation unit includes import manifold
(1) and centrifugal blower, the body structure of the import manifold (1) is made up of quieter material, is set in import manifold (1)
Have and air inlet (3) and air outlet (4) be provided with polylith drainage acoustical panel (2), import manifold (1), the centrifugal blower by
Motor (5), impeller and casing (6) composition, the impeller are connected with the main shaft of motor (5), and impeller outer is arranged casing (6), described
The air outlet (4) of import manifold (1) is connected with the air intake vent of casing (6)；
Housing (7) is arranged with outside the ventilation unit, the bottom of the housing (7) is provided with castor (8), the housing (7)
Madial wall is provided with the air outlet for being provided with the radiator (9) of correspondence motor (5), the housing (7) and corresponding to casing (6) respectively
(13) and import manifold (1) air inlet (3) through hole, be additionally provided with groove (10), the groove on the housing (7)
(10) controlling switch (11) electrically connected with motor (5) is provided with；
Gap of the housing (7) between ventilation unit is filled with silencing cotton (12)；
The surfaces externally and internally of the housing (7) is respectively arranged with anti-corrosion plastic-spraying layer.
2. a kind of noise reduction centrifugal fan according to claim 1, it is characterised in that：It is additionally provided with the housing (7)
Pushing hands handle (14).
3. a kind of noise reduction centrifugal fan according to claim 1, it is characterised in that：The controlling switch (11) is electromagnetism
Start and earth leakage protective starts control cabinet.
4. a kind of noise reduction centrifugal fan according to claim 1, it is characterised in that：The bottom of the housing (7) is set
There is the heating outlet (15) of corresponding motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231458.9U CN206320054U (en) | 2016-11-16 | 2016-11-16 | A kind of noise reduction centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231458.9U CN206320054U (en) | 2016-11-16 | 2016-11-16 | A kind of noise reduction centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320054U true CN206320054U (en) | 2017-07-11 |
Family
ID=59264964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231458.9U Expired - Fee Related CN206320054U (en) | 2016-11-16 | 2016-11-16 | A kind of noise reduction centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206320054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791924A (en) * | 2017-10-16 | 2018-03-13 | 河南宜和城保装备科技实业有限公司 | A kind of span formula supply vehicle |
-
2016
- 2016-11-16 CN CN201621231458.9U patent/CN206320054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791924A (en) * | 2017-10-16 | 2018-03-13 | 河南宜和城保装备科技实业有限公司 | A kind of span formula supply vehicle |
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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 |
Granted publication date: 20170711 Termination date: 20171116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |