CN104295532A - Cooling fan fairing and refrigerator - Google Patents
Cooling fan fairing and refrigerator Download PDFInfo
- Publication number
- CN104295532A CN104295532A CN201410507786.6A CN201410507786A CN104295532A CN 104295532 A CN104295532 A CN 104295532A CN 201410507786 A CN201410507786 A CN 201410507786A CN 104295532 A CN104295532 A CN 104295532A
- Authority
- CN
- China
- Prior art keywords
- cooling fan
- joint
- motor fixing
- guide sleeve
- air guide
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a cooling fan fairing and a refrigerator. The cooling fan fairing comprises an air director, a motor fixing portion and supporting feet, wherein the motor fixing portion is fixedly connected to the air director, and the supporting feet are fixedly connected to the motor fixing portion. The air director is in a horn shape. An opening of the air director is gradually increased from the end away from the motor fixing portion to the end close to the motor fixing portion. According to the cooling fan fairing and the refrigerator, the air director is arranged to be in the horn shape, and the air director is shorter than an existing air director, so that the airflow resistance of the air director is effectively reduced, and then the fan airflow noise is lowered.
Description
Technical field
The present invention relates to refrigerator field, particularly relate to a kind of cooling fan air guide sleeve and refrigerator.
Background technique
At present, the design of freezer compressor cooling fan air guide sleeve, mainly designs from the demand of the aspects such as wind direction, air quantity, cost, installation.
In general, current refrigerator compressor cooling fan air guide sleeve and fan motor stand directly design at one piece, motor is directly fixed on support, this design have structure simple, be easy to features such as manufacturing, with low cost, but often because the demand of air quantity, can require that motor speed is higher, rotating speed Gao Zehui causes fan blade noise to increase; And motor speed improves, cause structural vibration to increase, also can cause the increase of noise.
At some special occasions, such as the wind scooper of the cooling fan at the places such as compressor.This wind scooper should meet the requirement of compressor room's internal structure, meets the demand of air quantity again.Often in order to the increase of air quantity has to improve rotation speed of fan, to such an extent as to noise is difficult to control.In addition in order to install or the needs of intensity, need design some links and stiffening rib, it easily causes local turbulence intensity to increase, and also can produce additional noise.
And household refrigerator is more and more universal, it has the feature of the use that is energized continuously for 24 hours, and its noise level directly affects amenity, and therefore, in refrigerator manufacturing industry, the noise level of refrigerator is more and more subject to the attention of user and MANUFACTURER.Especially night rest period, noise makes people very easily produce complaint, even complains, and affects the sales and marketing occupancy of product.
Therefore design a kind of low noise cooling fan and become a problem demanding prompt solution, the design of wind scooper is then its importance.Existing air guide sleeve is all from guiding air flow direction substantially, solves radiating requirements and starts with, and the structural vibration radiated noise almost not considering air guide sleeve and the aerodynamic noise problem caused by air-flow.
Summary of the invention
Main purpose of the present invention is to solve the larger technical problem of the cooling fan noise of existing refrigerator.
For achieving the above object, the invention provides a kind of cooling fan air guide sleeve, described cooling fan air guide sleeve comprises wind scooper, be fixedly connected on the motor fixing part of described wind scooper and be fixedly connected on the leg of described motor fixing part, described wind scooper is horn-like, and the opening of described wind scooper increases towards near described motor fixing part end gradually by away from described motor fixing part end.
Preferably, the angle between the bearing of trend of the sidewall of described wind scooper and the axial direction of described wind scooper is 2 ~ 3 degree.
Preferably, the angle between the bearing of trend of the sidewall of described wind scooper and the axial direction of described wind scooper is 2.5 degree.
Preferably, described motor fixing part is square, and two of motor fixing part adjacent corners have ramp down angle.
Preferably, described leg comprises the second leg unit that two the first leg unit and two be oppositely arranged are oppositely arranged, first leg unit described in two is fixedly connected on two end faces be oppositely arranged of described motor fixing part respectively, and the second leg unit described in two is fixedly connected on two outer two end faces be oppositely arranged of described motor fixing part respectively.
Preferably, described first leg unit comprises the first joint and is vertically connected at first extension part of described first joint one end, described first joint is connected on the end face of described motor fixing part away from one end of described first extension part, described second leg unit comprises the second joint and is vertically connected at second extension part of described second joint one end, and described second joint is connected on the end face of described motor fixing part away from one end of described second extension part.
Preferably, the thickness of described first joint is greater than the thickness of described second joint, described first joint is provided with supporting portion near one end of described first extension part, described supporting portion and described first extension part extend the both sides of described first joint respectively, and described supporting portion is fixedly connected with described wind scooper away from one end of described joint.
Preferably, described first extension part is provided with the first fixed hole away from one end of described first joint, and described second extension part is provided with the second fixed hole away from one end of described second joint.
Preferably, described wind scooper, described motor fixing part and described leg is one-body molded makes.
In addition, the present invention also provides a kind of refrigerator, described refrigerator comprises cooling fan and the cooling fan air guide sleeve for cooling fan described in water conservancy diversion, described cooling fan air guide sleeve comprises wind scooper, be fixedly connected on the motor fixing part of described wind scooper and be fixedly connected on the leg of described motor fixing part, described wind scooper is horn-like, and the opening of described wind scooper increases towards near described motor fixing part end gradually by away from described motor fixing part end.
Cooling fan air guide sleeve of the present invention and refrigerator, horn-like by wind scooper is arranged to, and shorter than existing wind scooper, effectively reduce the gas-flow resistance of wind scooper, and then reduce fan airstream noise.
Accompanying drawing explanation
Fig. 1 is the perspective view at a visual angle of cooling fan air guide sleeve of the present invention;
Fig. 2 is the cross-sectional view of cooling fan air guide sleeve of the present invention;
Fig. 3 is the perspective view at another visual angle of cooling fan air guide sleeve of the present invention.
The object of the invention realization, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of cooling fan air guide sleeve, with reference to Fig. 1 and Fig. 2, in one embodiment, described cooling fan air guide sleeve comprises wind scooper 200, be fixedly connected on the motor fixing part 400 of described wind scooper 200 and be fixedly connected on the leg 600 of described motor fixing part 400, described wind scooper 200 is in horn-like, and the opening of described wind scooper 200 increases towards near described motor fixing part 400 end gradually by away from described motor fixing part 400 end.Wind scooper 200 of the present invention compares existing wind scooper, shortens the side wall length of 3/4ths, and is arranged to horn-like, effectively reduces the gas-flow resistance of the sidewall of wind scooper 200, and then reduces fan airstream noise.
Particularly, in the present embodiment, included angle A between the bearing of trend of the sidewall of described wind scooper 200 and the axial direction of described wind scooper 200 is 2 ~ 3 degree, and preferably, the included angle A between the bearing of trend of the sidewall of described wind scooper 200 and the axial direction of described wind scooper 200 is 2.5 degree.
Further, reference Fig. 3, Fig. 3 is the perspective view at another visual angle of cooling fan air guide sleeve of the present invention.
In the present embodiment, described motor fixing part 400 is in square, and two of motor fixing part 400 adjacent corners have ramp down angle.Described leg 600 comprises two the first leg unit 620 and two the second leg unit 640 be oppositely arranged be oppositely arranged, first leg unit 620 described in two is fixedly connected on two end faces be oppositely arranged of described motor fixing part 400 respectively, and the second leg unit 640 described in two is fixedly connected on two outer two end faces be oppositely arranged of described motor fixing part 400 respectively.
Particularly, in the present embodiment, described first leg unit 620 comprises the first joint 622 and is vertically connected at first extension part 624 of described first joint 622 one end, described first joint 622 is connected on the end face of described motor fixing part 400 away from one end of described first extension part 624, described second leg unit 640 comprises the second joint 642 and is vertically connected at second extension part 644 of described second joint 642 one end, and described second joint 642 is connected on the end face of described motor fixing part 400 away from one end of described second extension part 644.The thickness of described first joint 622 is greater than the thickness of described second joint 642, described first joint 622 is provided with supporting portion 626 near one end of described first extension part 624, described supporting portion 626 and described first extension part 624 extend the both sides of described first joint 622 respectively, described supporting portion 626 is fixedly connected with described wind scooper 200 away from one end of described joint 622, to fix and to support described wind scooper 200, the wind scooper 200 when fan turns is avoided to shake and make a noise.
Further, described first extension part 624 is provided with the first fixed hole 628 away from one end of described first joint 622, described second extension part 644 is provided with the second fixed hole 648, to be fixedly installed on refrigerator by wind scooper 200 etc. away from one end of described second joint 642.
It is worth mentioning that, in the present embodiment, described wind scooper 200, described motor fixing part 400 are made by Shooting Technique is one-body molded with described leg 600, and cost is lower.
The present invention also provides a kind of refrigerator, described refrigerator comprises cooling fan and the cooling fan air guide sleeve for cooling fan described in water conservancy diversion, described cooling fan air guide sleeve comprises earlier figures 1 to technological schemes all in embodiment illustrated in fig. 3, its detailed construction can refer to previous embodiment, does not repeat at this.
In sum, cooling fan air guide sleeve of the present invention and refrigerator, horn-like by wind scooper is arranged to, and shorter than existing wind scooper, effectively reduce the gas-flow resistance of wind scooper, and then reduce fan airstream noise.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a cooling fan air guide sleeve, it is characterized in that, described cooling fan air guide sleeve comprises wind scooper, be fixedly connected on the motor fixing part of described wind scooper and be fixedly connected on the leg of described motor fixing part, described wind scooper is horn-like, and the opening of described wind scooper increases towards near described motor fixing part end gradually by away from described motor fixing part end.
2. cooling fan air guide sleeve as claimed in claim 1, it is characterized in that, the angle between the bearing of trend of the sidewall of described wind scooper and the axial direction of described wind scooper is 2 ~ 3 degree.
3. cooling fan air guide sleeve as claimed in claim 2, it is characterized in that, the angle between the bearing of trend of the sidewall of described wind scooper and the axial direction of described wind scooper is 2.5 degree.
4. cooling fan air guide sleeve as claimed in claim 1, it is characterized in that, described motor fixing part is square, and two of motor fixing part adjacent corners have ramp down angle.
5. cooling fan air guide sleeve as claimed in claim 4, it is characterized in that, described leg comprises the second leg unit that two the first leg unit and two be oppositely arranged are oppositely arranged, first leg unit described in two is fixedly connected on two end faces be oppositely arranged of described motor fixing part respectively, and the second leg unit described in two is fixedly connected on two outer two end faces be oppositely arranged of described motor fixing part respectively.
6. cooling fan air guide sleeve as claimed in claim 5, it is characterized in that, described first leg unit comprises the first joint and is vertically connected at first extension part of described first joint one end, described first joint is connected on the end face of described motor fixing part away from one end of described first extension part, described second leg unit comprises the second joint and is vertically connected at second extension part of described second joint one end, and described second joint is connected on the end face of described motor fixing part away from one end of described second extension part.
7. cooling fan air guide sleeve as claimed in claim 6, it is characterized in that, the thickness of described first joint is greater than the thickness of described second joint, described first joint is provided with supporting portion near one end of described first extension part, described supporting portion and described first extension part extend the both sides of described first joint respectively, and described supporting portion is fixedly connected with described wind scooper away from one end of described joint.
8. cooling fan air guide sleeve as claimed in claim 6, it is characterized in that, described first extension part is provided with the first fixed hole away from one end of described first joint, and described second extension part is provided with the second fixed hole away from one end of described second joint.
9. cooling fan air guide sleeve as claimed in claim 1, is characterized in that, described wind scooper, described motor fixing part and described leg is one-body molded makes.
10. a refrigerator, is characterized in that, described refrigerator comprises cooling fan and the cooling fan air guide sleeve for cooling fan described in water conservancy diversion, the cooling fan air guide sleeve of described cooling fan air guide sleeve according to any one of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410507786.6A CN104295532A (en) | 2014-09-28 | 2014-09-28 | Cooling fan fairing and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410507786.6A CN104295532A (en) | 2014-09-28 | 2014-09-28 | Cooling fan fairing and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295532A true CN104295532A (en) | 2015-01-21 |
Family
ID=52315404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410507786.6A Pending CN104295532A (en) | 2014-09-28 | 2014-09-28 | Cooling fan fairing and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104295532A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000283099A (en) * | 1999-03-30 | 2000-10-10 | Toshiba Corp | Fan device |
| CN1502962A (en) * | 2002-11-25 | 2004-06-09 | Lg电子株式会社 | Cooled air circulation blower for refrigerator |
| US20040221611A1 (en) * | 2003-05-09 | 2004-11-11 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN201774368U (en) * | 2010-08-23 | 2011-03-23 | 南阳防爆集团股份有限公司 | Low-voltage big-power motor noise reduction wind cover |
| CN103047182A (en) * | 2013-01-08 | 2013-04-17 | 合肥工业大学 | Low-noise cooling fan guide cover |
| CN103541884A (en) * | 2013-10-24 | 2014-01-29 | 合肥美的电冰箱有限公司 | Air cooling device for freezer compressor and freezer |
| CN204175661U (en) * | 2014-09-28 | 2015-02-25 | 合肥美的电冰箱有限公司 | Cooling fan air guide sleeve and refrigerator |
-
2014
- 2014-09-28 CN CN201410507786.6A patent/CN104295532A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000283099A (en) * | 1999-03-30 | 2000-10-10 | Toshiba Corp | Fan device |
| CN1502962A (en) * | 2002-11-25 | 2004-06-09 | Lg电子株式会社 | Cooled air circulation blower for refrigerator |
| US20040221611A1 (en) * | 2003-05-09 | 2004-11-11 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN201774368U (en) * | 2010-08-23 | 2011-03-23 | 南阳防爆集团股份有限公司 | Low-voltage big-power motor noise reduction wind cover |
| CN103047182A (en) * | 2013-01-08 | 2013-04-17 | 合肥工业大学 | Low-noise cooling fan guide cover |
| CN103541884A (en) * | 2013-10-24 | 2014-01-29 | 合肥美的电冰箱有限公司 | Air cooling device for freezer compressor and freezer |
| CN204175661U (en) * | 2014-09-28 | 2015-02-25 | 合肥美的电冰箱有限公司 | Cooling fan air guide sleeve and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |
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| RJ01 | Rejection of invention patent application after publication |