CN203230624U - Centrifugal fan rotor, centrifugal fan and air cooling refrigerator - Google Patents
Centrifugal fan rotor, centrifugal fan and air cooling refrigerator Download PDFInfo
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- CN203230624U CN203230624U CN 201320170026 CN201320170026U CN203230624U CN 203230624 U CN203230624 U CN 203230624U CN 201320170026 CN201320170026 CN 201320170026 CN 201320170026 U CN201320170026 U CN 201320170026U CN 203230624 U CN203230624 U CN 203230624U
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- flabellum
- centrifugal fan
- centrifugal
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- 238000001816 cooling Methods 0.000 title claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims description 82
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a centrifugal fan rotor, a centrifugal fan and an air cooling refrigerator which are designed to solve the problems of loud noise and the like of an existing product. The centrifugal fan rotor comprises a base plate, main fan blades and a ring wall, at least one air volume flow guide groove is formed in the back of each main fan blade, and the direction of the air volume flow guide grooves is perpendicular to that of centrifugal force at the air volume flow guide grooves and opposite to that of centrifugal speed at the air volume flow guide grooves. Auxiliary fan blades are arranged at outlets of the main fan blades, and air volume flow guide grooves are formed in the back of each auxiliary fan blade. The centrifugal fan comprises a seat and the centrifugal fan rotor. The air cooling refrigerator comprises the centrifugal fan. The centrifugal fan rotor is reasonable in structure, convenient to use, obvious in noise reduction and suitable for being mounted in various centrifugal fans, and air volume can be strengthened. The centrifugal fan and the air cooling refrigerator are low in noise, large in air volume, low in air resistance and small in turbulence, and the fan is high in working efficiency.
Description
Technical field
The utility model relates to a kind of centrifugal fan rotor, centrifugal fan and wind cooling refrigerator.
Background technique
Main usefulness is centrifugal fan on the wind cooling refrigerator, and centrifugal fan is to utilize centrifugal force that fluid is thrown out from circumferencial direction after the axial suction of fan fluid.Under the equal rotating speed, centrifugal fan is than the needed wind flow of axial fan is little but wind pressure is big.
The rotor of existing centrifugal fan is the demand of considering air quantity when design more, centers on this desired value design in the quantity of the size of flabellum, shape, flabellum etc. is carried out simulation of wind design.And the noise when forming wind field, wind direction, windage, flow-disturbing etc. are seldom considered.
The model utility content
A purpose of the present utility model is to propose the little centrifugal fan rotor of a kind of noise.
Another purpose of the present utility model is to propose a kind of centrifugal fan rotor that increases the wind field flow velocity, reduces windage and flow-disturbing.
Another purpose of the present utility model is to propose the centrifugal fan that a kind of noise is little, the wind field flow velocity is strong, windage is little and flow-disturbing is little.
Another purpose of the present utility model is to propose a kind of wind cooling refrigerator that has the centrifugal fan that noise is little, the wind field flow velocity is strong, windage is little and flow-disturbing is little.
For reaching this purpose, on the one hand, the utility model by the following technical solutions:
A kind of centrifugal fan rotor comprises the chassis that has fixing part, is arranged on the main flabellum of described chassis edge and is arranged on ringwall on the described main flabellum; The ridge of described main flabellum is provided with at least one air quantity guiding gutter; The direction of described guiding gutter is perpendicular to the direction of this position centrifugal force, and the direction of described guiding gutter is opposite with the centrifugal speed direction of this position.
Particularly, be provided with auxiliary flabellum in the outlet port of described main flabellum, the Inlet cone angle of described auxiliary flabellum is identical with the Inlet cone angle of main flabellum, and the exit angle of described auxiliary flabellum is identical with the exit angle of main flabellum.
Further, the ridge of described auxiliary flabellum is provided with at least one air quantity guiding gutter; The direction of described guiding gutter is perpendicular to the direction of this position centrifugal force, and the direction of described guiding gutter is opposite with the centrifugal speed direction of this position.
Further, the entry end height of described auxiliary flabellum is 1/3 to 1/2 of described main flabellum height, and the outlet end height of auxiliary flabellum is than the high 1mm to 2mm of entry end; The top of described auxiliary flabellum forms parabola between from the entry end to the outlet end.
Further, be provided with the auxiliary flabellum more than two or two on the described ringwall evenly distributedly, every auxiliary flabellum is between two described main flabellums.
Further, the width of described auxiliary flabellum reduces from the entry end to the outlet end.
For reaching this purpose, on the other hand, the utility model by the following technical solutions:
A kind of centrifugal fan, described fan comprise for the pedestal of carrying rotor and above-mentioned centrifugal fan rotor.
For reaching this purpose, more on the one hand, the utility model by the following technical solutions:
A kind of wind cooling refrigerator, described refrigerator comprises above-mentioned centrifugal fan.
The main flabellum ridge of the utility model centrifugal fan rotor is provided with the air quantity guiding gutter, has reduced effectively in the fan high speed rotary course because of the back of flabellum and the fricative noise of wind field.In the outlet port of main flabellum auxiliary flabellum is set, the wind that flows through has been carried out the secondary correction, adjusted wind direction, increased the wind field flow velocity, reduced windage and flow-disturbing, thereby improve the working efficiency of air quantity and whole fan.
The utility model centrifugal fan rotor is rational in infrastructure, and is easy to use, and noise reduces obviously, and air quantity strengthens, and is suitable for being installed in the various centrifugal fans.
The utility model centrifugal fan comprises pedestal and above-mentioned centrifugal fan rotor, and the utility model wind cooling refrigerator comprises above-mentioned centrifugal fan, and noise is little, air quantity is big, windage is little, flow-disturbing is little, the high working efficiency of fan.
Description of drawings
Fig. 1 is the utility model centrifugal fan rotor preferred embodiment structural representation;
Fig. 2 is that the A-A of preferred embodiment shown in Figure 1 is to sectional view;
Fig. 3 is the worm's eye view of preferred embodiment shown in Figure 1;
Fig. 4 is that the B-B of preferred embodiment shown in Figure 3 is to sectional view.
Number in the figure is:
1. base plate; 2, main flabellum; 3, ringwall; 4, guiding gutter; 5, auxiliary flabellum; 21, main flabellum entry end; 22, main flabellum outlet end; 51, auxiliary flabellum entry end; 52, auxiliary flabellum outlet end.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Preferred embodiment one: centrifugal fan rotor comprises the chassis, be arranged on the main flabellum of chassis edge and be arranged on ringwall on the main flabellum.The ridge of main flabellum is provided with eight air quantity guiding gutters.The direction of guiding gutter is perpendicular to the direction of this position centrifugal force, and the direction of guiding gutter is opposite with the centrifugal speed direction of this position.
The main flabellum ridge of centrifugal fan rotor is provided with the air quantity guiding gutter in this preferred embodiment, has reduced in the fan high speed rotary course noise that back and wind field friction because of flabellum produce effectively.
Preferred embodiment two: as shown in Figures 1 to 4, centrifugal fan rotor comprises chassis 1, be arranged on the main flabellum 2 at 1 edge, chassis and be arranged on ringwall 3 on the main flabellum 2.The ridge of main flabellum 2 is provided with ten air quantity guiding gutters 4.The direction of guiding gutter 4 is perpendicular to the direction of this position centrifugal force, and the direction of guiding gutter 4 is opposite with the centrifugal speed direction of this position.
When centrifugal fan rotor was worked, an end that touches wind on the main flabellum 2 earlier was main flabellum entry end 21, and the other end is main flabellum outlet end 22.Near the main flabellum outlet end 22 location definition is the outlet port, is provided with auxiliary flabellum 5 in the outlet port of main flabellum 2, and every auxiliary flabellum is between two main flabellums.The Inlet cone angle (angle at entry end place) of auxiliary flabellum 5 is identical with the Inlet cone angle of main flabellum, and the exit angle (angle at outlet end place) of auxiliary flabellum is identical with the exit angle of main flabellum.
The ridge of auxiliary flabellum 5 is provided with five air quantity guiding gutters.With guiding gutter on the main flabellum 2 just as, the direction of the air quantity guiding gutter on the auxiliary flabellum 5 also is perpendicular to the direction of this position centrifugal force, and the direction of guiding gutter is opposite with the centrifugal speed direction of this position.
Auxiliary flabellum entry end 51 highly is 1/3 to 1/2 of main flabellum 2 height, the auxiliary flabellum entry end 51 high 1mm to 2mm of auxiliary flabellum outlet end 52 height, and the highly gradient rule meets parabola rule.That is, the top of auxiliary flabellum forms parabola between from the entry end to the outlet end.
The width of auxiliary flabellum reduces from the entry end to the outlet end.
Increase auxiliary flabellum between the main flabellum of centrifugal fan rotor in this preferred embodiment, proofreaied and correct the working efficiency of adjusting wind direction, increase wind field flow velocity, reducing windage and flow-disturbing, raising air quantity and whole fan by the secondary of auxiliary flabellum.
Preferred embodiment three: centrifugal fan comprises pedestal and the centrifugal fan rotor for the carrying rotor.The centrifugal fan rotor structure is identical with preferred embodiment two, is installed on the base by the fixing part on the chassis.
Centrifugal fan is provided with air quantity guiding gutter and auxiliary flabellum at its rotor in this preferred embodiment, has reduced noise effectively, has adjusted wind direction, has increased the wind field flow velocity, has reduced windage and flow-disturbing.
Preferred embodiment four: wind cooling refrigerator comprises centrifugal fan, and the structure of centrifugal fan is identical with preferred embodiment three.
Be provided with air quantity guiding gutter and auxiliary flabellum in this preferred embodiment on the fan propeller of wind cooling refrigerator, reduced noise, reduced windage and flow-disturbing, improved air quantity, improved the working efficiency of fan integral body.
Claims (8)
1. centrifugal fan rotor comprises the chassis that has fixing part, is arranged on the main flabellum of described chassis edge and is arranged on ringwall on the described main flabellum; It is characterized in that the ridge of described main flabellum is provided with at least one air quantity guiding gutter; The direction of described guiding gutter is perpendicular to the direction of this position centrifugal force, and the direction of described guiding gutter is opposite with the centrifugal speed direction of this position.
2. centrifugal fan rotor according to claim 1, it is characterized in that, be provided with auxiliary flabellum in the outlet port of described main flabellum, the Inlet cone angle of described auxiliary flabellum is identical with the Inlet cone angle of main flabellum, and the exit angle of described auxiliary flabellum is identical with the exit angle of main flabellum.
3. centrifugal fan rotor according to claim 2 is characterized in that, the ridge of described auxiliary flabellum is provided with at least one air quantity guiding gutter; The direction of described guiding gutter is perpendicular to the direction of this position centrifugal force, and the direction of described guiding gutter is opposite with the centrifugal speed direction of this position.
4. centrifugal fan rotor according to claim 2 is characterized in that, the entry end height of described auxiliary flabellum is 1/3 to 1/2 of described main flabellum height, and the outlet end height of auxiliary flabellum is than the high 1mm to 2mm of entry end; The top of described auxiliary flabellum forms parabola between from the entry end to the outlet end.
5. centrifugal fan rotor according to claim 2 is characterized in that, is provided with the auxiliary flabellum more than two or two on the described ringwall evenly distributedly, and every auxiliary flabellum is between two described main flabellums.
6. centrifugal fan rotor according to claim 2 is characterized in that, the width of described auxiliary flabellum reduces from the entry end to the outlet end.
7. a centrifugal fan is characterized in that, described fan comprises for the pedestal of carrying rotor and as the arbitrary described centrifugal fan rotor of claim 1 to 6.
8. a wind cooling refrigerator is characterized in that, described refrigerator comprises centrifugal fan as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320170026 CN203230624U (en) | 2013-04-08 | 2013-04-08 | Centrifugal fan rotor, centrifugal fan and air cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320170026 CN203230624U (en) | 2013-04-08 | 2013-04-08 | Centrifugal fan rotor, centrifugal fan and air cooling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230624U true CN203230624U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320170026 Expired - Fee Related CN203230624U (en) | 2013-04-08 | 2013-04-08 | Centrifugal fan rotor, centrifugal fan and air cooling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230624U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090105A (en) * | 2015-06-30 | 2015-11-25 | 黑龙江凯普瑞机械设备有限公司 | Centrifugal fan and impeller thereof |
| CN105553181A (en) * | 2015-12-19 | 2016-05-04 | 江西泰豪军工集团有限公司 | Non-impact outlet angle air-outlet structure on front end cover of electric generator |
| EP3181911A1 (en) * | 2015-12-17 | 2017-06-21 | ebm-papst Mulfingen GmbH & Co. KG | Kantenberandung eines rotationselements und gebläserad |
| CN111227709A (en) * | 2020-03-09 | 2020-06-05 | 景红锋 | Textile industry dust catcher |
| CN111472985A (en) * | 2020-04-27 | 2020-07-31 | 江苏优格曼航空科技有限公司 | A centrifugal fan with high efficiency shock absorption and noise reduction |
-
2013
- 2013-04-08 CN CN 201320170026 patent/CN203230624U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090105A (en) * | 2015-06-30 | 2015-11-25 | 黑龙江凯普瑞机械设备有限公司 | Centrifugal fan and impeller thereof |
| EP3181911A1 (en) * | 2015-12-17 | 2017-06-21 | ebm-papst Mulfingen GmbH & Co. KG | Kantenberandung eines rotationselements und gebläserad |
| CN105553181A (en) * | 2015-12-19 | 2016-05-04 | 江西泰豪军工集团有限公司 | Non-impact outlet angle air-outlet structure on front end cover of electric generator |
| CN111227709A (en) * | 2020-03-09 | 2020-06-05 | 景红锋 | Textile industry dust catcher |
| CN111227709B (en) * | 2020-03-09 | 2021-12-03 | 江苏奥纳麦格科技有限公司 | Textile industry dust catcher |
| CN111472985A (en) * | 2020-04-27 | 2020-07-31 | 江苏优格曼航空科技有限公司 | A centrifugal fan with high efficiency shock absorption and noise reduction |
| CN111472985B (en) * | 2020-04-27 | 2021-04-09 | 江苏优格曼航空科技有限公司 | A centrifugal fan with shock absorption and noise reduction |
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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 |
Granted publication date: 20131009 Termination date: 20170408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |