CN102102935B - Refrigeration appliance and air fan assembly for same - Google Patents
Refrigeration appliance and air fan assembly for same Download PDFInfo
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- CN102102935B CN102102935B CN200910265965.2A CN200910265965A CN102102935B CN 102102935 B CN102102935 B CN 102102935B CN 200910265965 A CN200910265965 A CN 200910265965A CN 102102935 B CN102102935 B CN 102102935B
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- fan
- rotating shaft
- component
- guard
- neck limit
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Abstract
The invention relates to a refrigeration appliance (1) and an air fan assembly (4) for the same. The air fan assembly (4) comprises an air fan (5) provided with a plurality of blades and an air fan cover (19) provided with an air fan hole (7). According to the proposal provided by the invention, the air fan assembly (4) comprises a neck binding (18) encircling the air fan hole (7), and the neck binding (18) has a length which enables the blades of the air fan (5) not to exceed a tail end edge (31) of the neck binding (18).
Description
[technical field]
The present invention, about a kind of refrigerating appliance, particularly relates to a kind of family expenses or the commercial refrigeration utensil with fan component.The invention still further relates to a kind of fan component for refrigerating appliance.
[background technology]
In order to forced draft is towards the flowing of predetermined direction or make air-flow more even at storage indoor distribution, in refrigerating appliance, arrange that one or more fan is known in the art.Such as, in existing air-cooled domestic refrigerator, at least one fan component is set near evaporimeter usually to be blown in storeroom with predetermined flow path to reduce the temperature in storeroom by the cold air by evaporator cools.
Due to how many containing water vapour in cold air, when cold air contacts with the fan component in the gas flow paths being exposed to evaporator room, the water vapour in cold air can leave condensed water at some positions of fan component unavoidably.In addition, the condensed water be formed in higher than the surface of fan component also likely drops onto on fan component.Likely damage is caused to fan component after the condensed water accumulated on fan component freezes, or it is steady not that fan component is run, and then increase noise when fan component runs.
In addition, when turbulence appears in fan component operation, the noise of refrigerating appliance also can increase.The noise how reducing fan component is one of common problem of facing of those skilled in the art.
[summary of the invention]
One object of the present invention is to provide a kind of refrigerating appliance and the fan component for refrigerating appliance, thus likely greatly reduces noise when fan component runs.
Therefore, an aspect of of the present present invention is about a kind of fan component for refrigerating appliance.Described fan component comprises the fan with some blades and the fan guard with fan hole, it is characterized in that, comprises the neck limit around described fan hole, and described neck limit has such length and makes the blade of described fan not exceed the end edge on described neck limit.
Because the blade of fan is housed in the pipeline of neck limit formation, air-flow can be greatly reduced the disorderly phenomenon of gas by guiding better, thus noise when fan component runs can significantly reduce.
Other separately or with other integrate features and the feature that is considered to characteristic of the present invention is set forth in following additional claim.
According to the present invention's preferred embodiment, described neck limit is tubulose.The air channel of tubulose is particularly conducive to reduction turbulence.
According to a particularly preferred embodiment of the present invention, described neck limit is roughly parallel to the rotating shaft of described fan.
According to the present invention's preferred embodiment, form the angle being less than 90 degree between the rotating shaft of described fan guard and described fan and form guiding structural and leave described fan guard with guiding condensed water.This significantly reduces accumulating condensed water on fan guard and icing possibility, fan can be operably more steady, so reduce fan component after running a period of time because running not steadily the possibility that noise raises.
According to a particularly preferred embodiment of the present invention, the angle between the rotating shaft of described fan guard and described fan between 75 ~ 85 degree, such as 80 degree.
According to the present invention's preferred embodiment, along the guiding direction of described guiding structural, the length of described neck limit on the rotating shaft direction of described fan gradually changes.
According to the present invention's preferred embodiment, along the guiding direction of described guiding structural, the length of described neck limit on the rotating shaft direction of described fan increases gradually.
According to the present invention's preferred embodiment, the end edge on described neck limit is in the same plane.
According to the present invention's preferred embodiment, the end edge place plane on described neck limit is approximately perpendicular to the rotating shaft of described fan.
According to the present invention's preferred embodiment, the angle between the end edge place plane on described neck limit and described fan hole and the angle sum between the rotating shaft of described fan hole and described fan are substantially equal to 90 degree.
According to the present invention's preferred embodiment, the rotational axis vertical of described fan is in horizontal plane.
Another aspect of the present invention, about a kind of refrigerating appliance, comprises the fan component as described in above any one.
According to the present invention's preferred embodiment, comprise heat exchanger, described fan component associates with this heat exchanger and arranges.
According to the present invention's preferred embodiment, comprise be positioned at described fan guard lowest part near or be positioned at the drainage arrangement of the lowest part stating fan guard.Thus condensed water can leave fan guard swimmingly.
According to the present invention's preferred embodiment, described drainage arrangement comprises at least one fluid and is communicated with passage above and below described fan guard.
According to the present invention's preferred embodiment, at least one passage described comprises the gap between the lowest part being formed in described fan guard and the inwall limiting described gas flow paths.
According to the present invention's preferred embodiment, at least one passage described comprises the through hole being formed in described lowest part or being positioned near described lowest part.
Structure of the present invention and its other goals of the invention and beneficial effect will in conjunction with the drawings and description of preferred embodiments and more becoming apparent.
[accompanying drawing explanation]
As description a part and in order to provide a further understanding of the present invention, the following drawings diagram the specific embodiment of the present invention, and be used for principle of the present invention is described together with description.Wherein,
Fig. 1 is the show in schematic partial sections of refrigerating appliance in accordance with a preferred embodiment of the present invention.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the schematic perspective view of fan component in accordance with a preferred embodiment of the present invention.
[detailed description of the invention]
Please refer to Fig. 1, refrigerating appliance 1 comprises heat insulation housing 2.Housing 2 limit at least one heat insulation between room 21 with article such as stored foods.
Refrigerating appliance 1 has the evaporation refrigeration system forming closed loop.Refrigeration system at least comprises compressor (not shown), condenser (not shown), throttling arrangement (not shown) and evaporimeter (not shown).In view of this refrigeration system is known technology in the prior art, therefore omits and it is further described.
Between be provided with air duct cover board 22 in room 21 and the rear portion of a room 21 be divided into cool room 23.Evaporimeter is arranged in cool room 23.
Air duct cover board 22 is provided with some air inlets 24.By the cold air of evaporator cools by these air inlets enter a room 21 in order in the region of stored goods.Air inlet 24 is positioned at the upper area of cool room 23, such as, be positioned at the top of evaporimeter.
Air duct cover board 22 is also provided with at least one air outlet (not shown), the gas (temperature is higher) of air duct cover board 22 front region is entered in cool room 23 by air outlet.Air outlet is usually located at the lower area of cool room 23, such as, be positioned at the below of evaporimeter.
Fan component 4 is provided with, with the gas in forced refrigeration room 23 along predetermined flow path in cool room 23.In the present embodiment, fan component 4 is between air inlet 24 and evaporimeter.Thus the cold air near evaporimeter upwards flows and leaves cool room 23 by air inlet 24 under the effect of fan component 4.
Please refer to Fig. 1 and Fig. 3, fan component 4 comprises fan 5, the motor module 14 for drive fan 5 and the support 6 for fan attachment 5 and motor module 14 with some blades.In the present embodiment, fan 5 is aerofoil fan.
Fan component 4 is substantially horizontally arranged in cool room 23.Specifically, the rotating shaft 25 of fan 5 extends in the vertical perpendicular to horizontal plane ground.
Support 6 comprises laterally extending fan guard 19.Relative to fan guard 19, the gas flow paths in cool room 23 is divided into the upper flow path be positioned at above fan guard 19 and the current downflow path be positioned at below fan guard 19.In the present embodiment, fan guard 19 is made up of the roof of support 6.
Support 6 comprises multiple installation rib 28,28 '.Rib 28,28 ' is installed to be connected with fan guard 19 and extending longitudinally.Rib 28 is installed and is provided with fixing hole (sign), be fixed on rear wall 26 by retaining elements such as screws.
Install rib 28 ' and have installing hole 29, support 6 is fixed on air duct cover board 22 through installing hole 29 by the hook portion 30 of coming from air duct cover board 22 projection.
Fan guard 19 is provided with fan hole 7.Current downflow path is communicated with by fan hole 7 fluid with upper flow path, thus gas from current downflow path, fan hole 7, upper flow path enter air inlet 24.
Keep minimum distance between the inwall of support 6 and cool room 23 or close, entering upper flow path to avoid gas from the passage outside fan hole 7.In the present embodiment, support 6 directly contacts with rear wall 26, two sidewalls (sign) of cool room 23 and closes, and then keeps very small gap between antetheca and air duct cover board 22.
As shown in Figure 2, between the first edge 8 of fan guard 19 and air duct cover board 22, there is gap 9.Gap 9 fluid is communicated with upper and lower flow path, but very narrow due to it, and gas enters upper flow path from a point fan hole 7 substantially.The width in gap 9 preferably between 0.8 ~ 2 millimeter, such as 1 millimeter.
In order to avoid accumulating condensed water on fan guard 19, fan guard 19 is provided with the first guiding structural 10 in order to condensed water guiding to be left fan guard 19.In the present embodiment, as shown in Figure 1, the first guiding structural 10 is made up of the first guide ramp extending to the first edge 8 from the second edge 13 near rear wall 26.Preferably, the angle (A) in the first guide ramp relative level face between 5-15 degree, such as 10 degree.Correspondingly, the angle between the rotating shaft 25 of fan guard 19 and fan 5 is less than 90 degree, between 75-85 degree, and such as 80 degree.
As shown in Figure 1, the second edge 13 is in the vertical higher than the first edge 8.First edge 8 forms the lowest part of fan guard 19.Therefore, the condensed water be positioned on fan guard 19 flows towards the first edge 8 in the first guide ramp.Near the first edge 8, some condensed water leaves fan guard 19 via near the through hole 20 installing rib 28 ', and most of condensed water leaves fan guard 19 by the gap 9 between the first edge 8 and air duct cover board 22.
In this embodiment, gap 9 and be positioned near the first edge 8, penetrate the drainage arrangement that the through hole 20 of fan guard 19 constitutes fan component 5.Should be appreciated that the present invention should not be limited to this.In an alternative embodiment, drainage arrangement also can be formed by a kind of mode in gap 9 and through hole 20.
In another embodiment, drainage arrangement also can be formed by the path of the inwall being positioned at cool room 23.Such as, fan cover plate 22 forms a path, and the end of guiding structural is connected with the entrance of path and condensed water is flowed in such path.Path comprises and is positioned at below fan guard 19, is exposed to the outlet of cool room 23, thus the condensed water entered from its entrance can through enter the bottom of cool room 23 by outlet.
Should be appreciated that drainage arrangement can be formed by a kind of form or any combination in the path inside the through hole 20 near the edge 8, gap 9, first between the first edge 8 and the inwall of cool room 23 and the inwall being arranged on cool room 23.
In the embodiment above, the first guiding structural 10 is guided from back to front by condensed water.Should be appreciated that the present invention should not be limited to this.In an alternative embodiment, first guiding structural 10 also can be arranged to be guided from front to back by water (now the first guiding structural 10 can be formed to the guide ramp that the second edge 13 is downward-sloping by from the first edge 8), or is arranged to water to guide from the central area of fan guard 19 to neighboring area (such as fan guard 19 central area is high, neighboring area is low).Obviously, drainage arrangement can adjust according to the setting of the first guiding structural, leaves fan guard 19 to make water be directed to drainage arrangement by the first guiding structural.
Motor module 14 is positioned at the below of fan guard 19, is connected with fan 5 by rotating shaft 25.Motor module 14 comprises and carries out for drive fan 5 motor (not shown) that rotates.Preferably, motor is closed by electric machine casing (not shown).
Motor module 14 comprises the roof 17 extended roughly in the horizontal.In order to avoid condensed water gathers on roof 17, according to the present invention's preferred embodiment, roof 17 is provided with the second guiding structural 15 and leaves roof 17 with guiding condensed water.
In the present embodiment, the second guiding structural 15 is also formed by the mode on inclined-plane.Particularly, the second guiding structural 15 is formed by from the central area of roof 17 to the second guide ramp that fringe region is downward-sloping.Preferably, the second inclined-plane has bending shape.
Should be appreciated that the second guiding structural 15 also can be made up of other form.Such as, the inclined-plane from the side of roof 17 to relative lopsidedness is formed.
As shown in figures 1 and 3, support 6 comprises the neck limit 18 around fan hole 7.Neck limit 18 is connected to the edge of fan hole 7 and upwards extends.
In the present embodiment, fan 5 is enclosed in the pipeline that surrounds of neck limit 18, the length on neck limit 18 is designed such that the blade of fan 5 does not exceed the end edge 31 (the end edge 31 in the present embodiment, leading limit 18 is its upper edge) on neck limit 18 on the direction along rotating shaft 25.The blade of fan 5 is preferably positioned at below the end edge 31 on neck limit 18.
Preferably, limit 18 is led to have tubulose.Neck limit 18 is roughly parallel to the rotating shaft 25 of fan 5.Neck limit 18 preferably and fan guard 19 is one-body molded makes.
Thus the blade of fan 5 is housed in the pipeline of neck limit 18 formation, and air-flow can be guided better, and this greatly reduces the disorderly phenomenon of gas, and then significantly reduces noise.Because the noise of fan component 4 generation is usually by air-flow and the vibration decision passing to surrounding from fan component 4, and for refrigerating appliance 1, the noise that fan component 4 produces determines primarily of air-flow, therefore, when the noise of air-flow is significantly reduced, the noise of fan component 4 is also lowered simultaneously significantly.
In the present embodiment, on the guiding direction along the first guiding structural 15, neck limit 18 has different longitudinal length/highly.Along the guiding direction of the first guiding structural 15, the length of neck limit 18 on rotating shaft 25 direction of fan 5 increases gradually, and namely the closer to end and the drainage arrangement of the first guiding structural 15, the longitudinal length on neck limit 18 is larger.
Although fan hole 7 makes the lengthwise position at the edge (particularly near the part of drainage arrangement) of fan hole 7 reduce because of the setting of guiding structural 15 and relative level face angulation, and then make some blades of fan 5 extend beyond fan hole 7, but round the shape compensation that the neck limit 18 of fan hole 7 raises gradually on the guiding direction of the first guiding structural 15 fan hole 7 in the guiding direction surface thereof of the first guiding structural 15 height that reduces, thus fan 5 is enclosed in air channel that neck limit 18 surrounds well.
In the present embodiment, the end edge 31 on limit 18 is led to be positioned at same plane.Preferably, the end edge 31 on neck limit 18 is located in the same horizontal plane, thus end edge 31 place plane orthogonal is in the rotating shaft 25 of fan 5.
The angle formed between the end edge 31 place plane on neck limit 18 and fan hole 7 place plane is substantially equal to the angle formed between fan hole 7 place plane and horizontal plane.Thus the angle between end edge 31 place plane and fan hole 7 and the angle sum between the rotating shaft 25 of fan hole 7 and fan 5 equal 90 degree.
Be to be understood that, when fan hole 7 is parallel to horizontal plane, neck 18, limit can have identical longitudinal length, as long as the pipeline that such length makes the blade of fan 5 be positioned at neck limit 18 to be formed, and is positioned at the end led below the end on limit 18 or do not extend beyond neck limit 18.
Claims (16)
1. the fan component for refrigerating appliance (1) (4), comprising:
There is the fan (5) of some blades and there is the fan guard (19) of fan hole (7), comprise the neck limit (18) around described fan hole (7), described neck limit (18) has such length and makes the blade of described fan (5) not exceed the end edge (31) of described neck limit (18), it is characterized in that, form the angle being less than 90 degree between the rotating shaft (25) of described fan guard (19) and described fan (5) and form guiding structural (10) with guiding condensed water and leave described fan guard (19), the rotating shaft (25) of described fan (5) is perpendicular to horizontal plane.
2. fan component (4) as claimed in claim 1, it is characterized in that, described neck limit (18) is tubulose.
3. fan component (4) as claimed in claim 1 or 2, it is characterized in that, described neck limit (18) is roughly parallel to the rotating shaft (25) of described fan (5).
4. fan component (4) as claimed in claim 1, it is characterized in that, the angle between the rotating shaft (25) of described fan guard (19) and described fan (5) is between 75 ~ 85 degree.
5. fan component (4) as claimed in claim 4, it is characterized in that, the angle between the rotating shaft (25) of described fan guard (19) and described fan (5) is 80 degree.
6. fan component (4) as claimed in claim 4, it is characterized in that, along the guiding direction of described guiding structural (10), the length of described neck limit (18) on rotating shaft (25) direction of described fan (5) gradually changes.
7. fan component (4) as claimed in claim 6, it is characterized in that, along the guiding direction of described guiding structural (10), the length of described neck limit (18) on rotating shaft (25) direction of described fan (5) increases gradually.
8. fan component (4) as claimed in claim 1, it is characterized in that, the end edge (31) of described neck limit (18) is in the same plane.
9. fan component (4) as claimed in claim 8, it is characterized in that, end edge (31) the place plane of described neck limit (18) is approximately perpendicular to the rotating shaft (25) of described fan (5).
10. fan component (4) as claimed in claim 9, it is characterized in that, the angle between end edge (31) the place plane of described neck limit (18) and described fan hole (7) and the angle sum between the rotating shaft (25) of described fan hole (7) and described fan (5) are substantially equal to 90 degree.
11. 1 kinds of refrigerating appliances (1), comprise the fan component (4) as described in above any one claim.
12. refrigerating appliances (1) as claimed in claim 11, it is characterized in that, comprise heat exchanger, described fan component (4) associates with this heat exchanger and arranges.
13. refrigerating appliances (1) as described in claim 11 or 12, it is characterized in that, comprise be positioned at described fan guard (19) lowest part near or be positioned at the drainage arrangement (9,20) of lowest part of described fan guard (19).
14. refrigerating appliances (1) as claimed in claim 13, is characterized in that, described drainage arrangement (9,20) comprises at least one fluid and is communicated with passage above and below described fan guard (19).
15. refrigerating appliances (1) as claimed in claim 14, it is characterized in that, at least one passage described comprises the gap (9) between the lowest part being formed in described fan guard (19) and the inwall (22) limiting gas flow paths (3).
16. refrigerating appliances (1) as described in claims 14 or 15, it is characterized in that, at least one passage described comprises the through hole (20) being formed in described lowest part or being positioned near described lowest part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265965.2A CN102102935B (en) | 2009-12-22 | 2009-12-22 | Refrigeration appliance and air fan assembly for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265965.2A CN102102935B (en) | 2009-12-22 | 2009-12-22 | Refrigeration appliance and air fan assembly for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102102935A CN102102935A (en) | 2011-06-22 |
| CN102102935B true CN102102935B (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910265965.2A Active CN102102935B (en) | 2009-12-22 | 2009-12-22 | Refrigeration appliance and air fan assembly for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102102935B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729191B (en) * | 2015-03-24 | 2017-08-25 | 海信（山东）冰箱有限公司 | A kind of wind cooling refrigerator |
| CN107701462B (en) * | 2017-10-18 | 2023-08-18 | 珠海格力电器股份有限公司 | Pump with a pump body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144320A (en) * | 1994-05-20 | 1997-03-05 | 三洋电机株式会社 | Storage box |
| US6615908B1 (en) * | 1994-02-17 | 2003-09-09 | Transphere Systems Limited | Method of transporting or storing perishable produce |
| CN1502962A (en) * | 2002-11-25 | 2004-06-09 | Lg电子株式会社 | Cooled air circulation blower for refrigerator |
| CN1955580A (en) * | 2005-10-24 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Integral air conditioner |
| CN101287954A (en) * | 2004-11-02 | 2008-10-15 | Lg电子株式会社 | Operation method of defrosting in refrigerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4199358B2 (en) * | 1999-02-19 | 2008-12-17 | 株式会社ヴァレオサーマルシステムズ | Blower |
-
2009
- 2009-12-22 CN CN200910265965.2A patent/CN102102935B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6615908B1 (en) * | 1994-02-17 | 2003-09-09 | Transphere Systems Limited | Method of transporting or storing perishable produce |
| CN1144320A (en) * | 1994-05-20 | 1997-03-05 | 三洋电机株式会社 | Storage box |
| CN1502962A (en) * | 2002-11-25 | 2004-06-09 | Lg电子株式会社 | Cooled air circulation blower for refrigerator |
| CN101287954A (en) * | 2004-11-02 | 2008-10-15 | Lg电子株式会社 | Operation method of defrosting in refrigerator |
| CN1955580A (en) * | 2005-10-24 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Integral air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102102935A (en) | 2011-06-22 |
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