CN103574764B - Air conditioner room unit and two-way air intake centrifugal wind wheel thereof - Google Patents
Air conditioner room unit and two-way air intake centrifugal wind wheel thereof Download PDFInfo
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- CN103574764B CN103574764B CN201210266360.7A CN201210266360A CN103574764B CN 103574764 B CN103574764 B CN 103574764B CN 201210266360 A CN201210266360 A CN 201210266360A CN 103574764 B CN103574764 B CN 103574764B
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Abstract
The invention provides a kind of air conditioner room unit, it comprises housing and the heat exchanger that is arranged in housing and bidirectional air inlet centrifugal fan, bidirectional air inlet centrifugal fan comprises spiral case and is arranged at the two-way air intake centrifugal wind wheel in spiral case, centrifugal wind wheel comprises core dish, be arranged at some first blades of the periphery of the first side of core dish and be arranged at some second blades of periphery of the second side of core dish, the length of the first blade is identical with the length of the second blade, and the quantity of the first blade is more than the quantity of the second blade.Spiral case comprises the first side plate of contiguous first blade, and the first side plate offers the first air inlet, and air conditioner room unit also comprises the drive motors be installed on the first side plate.When the length of two blades is identical, the quantity of the first blade more than the quantity of the second blade, when fan operation, whole rotor shaft upwards the blade turnover air quantity of unit length and wind speed profile even, fan operation is steady, eliminates the abnormal sounds such as " puff puff " surge sound.
Description
Technical field
The invention belongs to air-conditioner field, particularly relate to a kind of air conditioner room unit and two-way air intake centrifugal wind wheel thereof.
Background technology
For the air-conditioner using bidirectional air inlet centrifugal fan as blower part, because the body structure size of air-conditioner needs, motor is all generally the side of device at the spiral case of blower fan, it is relatively near the air inlet of blower fan side, cause resistance to the air intake of this side, the intake of this side air inlet is little; And blower fan opposite side air inlet does not have resistance, its intake is larger.If the lobe numbers of wind wheel core dish left and right side arranges identical by method for designing routinely; therefore unit length of blade also just different into and out of air quantity on wind wheel axial direction; wind speed profile is also uneven, usually can cause abnormal sound when fan operation, as surge " puff puff " sound etc.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of two-way air intake centrifugal wind wheel, to solve the problem because of the different sound of surge caused when side air intake is obstructed existed in prior art.
The embodiment of the present invention realizes like this, a kind of two-way air intake centrifugal wind wheel, it comprises wind wheel core dish, described wind wheel core dish has the first side and second side relative with described first side, described two-way air intake centrifugal wind wheel also comprises some first blades of the periphery of the first side being arranged at described wind wheel core dish and is arranged at some second blades of periphery of the second side of described wind wheel core dish, the length of described first blade is identical with the length of described second blade, and the quantity of described first blade is more than the quantity of described second blade.
Another object of the embodiment of the present invention is to provide a kind of air conditioner room unit, it comprises housing and the heat exchanger that is arranged in described housing and bidirectional air inlet centrifugal fan, described bidirectional air inlet centrifugal fan comprises spiral case and is arranged at the above-mentioned two-way air intake centrifugal wind wheel in described spiral case, described spiral case comprises the first side plate of contiguous described first blade and is oppositely arranged with described first side plate and the second side plate of contiguous described second blade, described first side plate offers the first air inlet, described second side plate offers the second air inlet, described air conditioner room unit also comprises and is installed on described first side plate and is arranged at the drive motors of described first air inlet.
When the first blade is identical with the length of the second blade, the quantity of described first blade is more than the quantity of described second blade, make the first blade quantity near drive motors side more, make the second blade quantity of drive motors side dorsad fewer, when fan operation, whole rotor shaft upwards unit length blade turnover air quantity and wind speed profile even, fan operation is steady, eliminate conventional design install the impact of blower fan side air intake due to drive motors and cause blower fan to enter, the abnormal sounds such as uneven caused " puff puff " the surge sound of air-out, reduce noise during air conditioner room unit work, improve the comfortableness of air conditioner room unit.
Accompanying drawing explanation
Fig. 1 is the stereogram of the air conditioner room unit that the embodiment of the present invention provides.
Fig. 2 is the stereogram of another angle of the air conditioner room unit of Fig. 1.
Fig. 3 is the stereogram of the bidirectional air inlet centrifugal fan of the air conditioner room unit of Fig. 1.
Fig. 4 is the stereogram of the two-way air intake centrifugal wind wheel of the bidirectional air inlet centrifugal fan of the air conditioner room unit of Fig. 1.
Fig. 5 is the side view of the two-way air intake centrifugal wind wheel of the air conditioner room unit of Fig. 4.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1 to Fig. 5, the embodiment of the present invention provides a kind of air conditioner room unit 100, and it comprises housing 10 and the heat exchanger 20 that is arranged in described housing 10 and bidirectional air inlet centrifugal fan 30.Described bidirectional air inlet centrifugal fan 30 comprises spiral case 40 and is arranged at the two-way air intake centrifugal wind wheel 50 in described spiral case 40.
Described two-way air intake centrifugal wind wheel 50 comprises wind wheel core dish 51.Described wind wheel core dish 51 has the first side 52 and second side 53 relative with described first side 52.Described two-way air intake centrifugal wind wheel 50 also comprises some first blades 54 of the periphery of the first side 52 being arranged at described wind wheel core dish 51 and is arranged at some second blades 55 of periphery of the second side 53 of described wind wheel core dish 51.The length of described first blade 54 is identical with the length of described second blade 55.The quantity of described first blade 54 is more than the quantity of described second blade 55.
Described spiral case 40 comprises the first side plate 41 of contiguous described first blade 54 and is oppositely arranged with described first side plate 41 and the second side plate 42 of contiguous described second blade 55.Described first side plate 41 offers the first air inlet 43.Described second side plate 42 offers the second air inlet 44.Described air conditioner room unit 100 also comprises and is installed on described first side plate 41 and is arranged at the drive motors 60 at described first air inlet 43 place.
When the first blade 54 is identical with the length of the second blade 55, the quantity of described first blade 54 is more than the quantity of described second blade 55, make the first blade 54 quantity near drive motors 60 side more, make the second blade 55 number ratio of drive motors 60 side dorsad less, when blower fan 30 runs, whole wind wheel 50 axially unit length blade turnover air quantity and wind speed profile even, blower fan 30 operates steadily, eliminate conventional design to install due to drive motors 60 and cause blower fan 30 to enter on the impact of certain side air intake of blower fan 30, the abnormal sounds such as uneven caused " puff puff " the surge sound of air-out, reduce noise when air conditioner room unit 100 works, improve the comfortableness of air conditioner room unit 100.
Described air conditioner room unit 100 also comprises the electric machine support 70 be installed on by described drive motors 60 on described first side plate 41.Described electric machine support 70 comprises the some hold-down arms 71 be fixed on by fixture 80 on described first side plate 41.In the present embodiment, described fixture 80 is bolt, and in other embodiments, described fixture 80 can be the object that other can play fixation, such as, and screw.In the present embodiment, described hold-down arm 71 is set to three, and uniform intervals is fixed on described first side plate 41.In other embodiments, described hold-down arm 71 can arrange other quantity.
Described drive motors 60 is positioned at the center of described first air inlet 43, and external air flow is entered by the surrounding of described drive motors 60 equably.
Described two-way air intake centrifugal wind wheel 50 also comprise the end away from described wind wheel core dish 51 connecting each the first blade 54 first round circle 56 and connect each the second blade 55 the end away from described wind wheel core dish 51 second take turns circle 57.The axial length of described two-way air intake centrifugal wind wheel 50 is H, and described wind wheel core dish 51 is h with the distance of described first round circle 56, and wherein, h=0.5H, namely described wind wheel core dish 51 is between described first blade 54 and the second blade 55.
The number of described first blade 54 is n, and the number of described second blade 55 is m, wherein, and n-30≤m≤n-1.Further, 36≤n≤76.In the present embodiment, the quantity n of described first blade 54 is 41, and the number m of described second blade 55 is 20.
Described two-way air intake centrifugal wind wheel 50 also comprises the axle sleeve 58 be embedded on described wind wheel core dish 51.Described axle sleeve 58 offers the through hole 59 supplying the output shaft of described drive motors 60 to pass along the direction perpendicular to described wind wheel core dish 51.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a two-way air intake centrifugal wind wheel, it comprises wind wheel core dish, described wind wheel core dish has the first side and second side relative with described first side, it is characterized in that: described wind wheel core dish is tabular, described two-way air intake centrifugal wind wheel also comprises some first blades of the periphery of the first side being arranged at described wind wheel core dish and is arranged at some second blades of periphery of the second side of described wind wheel core dish, the length of described first blade is identical with the length of described second blade, the quantity of described first blade is more than the quantity of described second blade, described two-way air intake centrifugal wind wheel also comprises and being embedded on described wind wheel core dish and the axle sleeve installed with the output shaft for a motor.
2. two-way air intake centrifugal wind wheel as claimed in claim 1, it is characterized in that: the number of described first blade is n, the number of described second blade is m, wherein, n-30≤m≤n-1.
3. two-way air intake centrifugal wind wheel as claimed in claim 2, is characterized in that: 36≤n≤76.
4. two-way air intake centrifugal wind wheel as claimed in claim 1, it is characterized in that: described two-way air intake centrifugal wind wheel also comprise the end away from described wind wheel core dish connecting each the first blade first round circle and connect each the second blade the end away from described wind wheel core dish second take turns circle, the axial length of described two-way air intake centrifugal wind wheel is H, the distance of described wind wheel core dish and described first round circle is h, wherein, h=0.5H.
5. the two-way air intake centrifugal wind wheel as described in any one of claim 1-4, is characterized in that: described axle sleeve offers the through hole for passing for the output shaft of described motor along the direction perpendicular to described wind wheel core dish.
6. an air conditioner room unit, it comprises housing and the heat exchanger that is arranged in described housing and bidirectional air inlet centrifugal fan, it is characterized in that: described bidirectional air inlet centrifugal fan comprises spiral case and is arranged at the two-way air intake centrifugal wind wheel as described in any one of claim 1-5 in described spiral case, described spiral case comprises the first side plate of contiguous described first blade and is oppositely arranged with described first side plate and the second side plate of contiguous described second blade, described first side plate offers the first air inlet, described second side plate offers the second air inlet, described air conditioner room unit also comprises and is installed on described first side plate and is arranged at the drive motors of described first air inlet.
7. air conditioner room unit as claimed in claim 6, it is characterized in that: described air conditioner room unit also comprises the electric machine support be installed on by described drive motors on described first side plate, described electric machine support comprises the some hold-down arms be fixed on by fixture on described first side plate.
8. air conditioner room unit as claimed in claim 6, is characterized in that: described drive motors is positioned at the center of described first air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266360.7A CN103574764B (en) | 2012-07-30 | 2012-07-30 | Air conditioner room unit and two-way air intake centrifugal wind wheel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266360.7A CN103574764B (en) | 2012-07-30 | 2012-07-30 | Air conditioner room unit and two-way air intake centrifugal wind wheel thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103574764A CN103574764A (en) | 2014-02-12 |
| CN103574764B true CN103574764B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210266360.7A Active CN103574764B (en) | 2012-07-30 | 2012-07-30 | Air conditioner room unit and two-way air intake centrifugal wind wheel thereof |
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| CN (1) | CN103574764B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208923A (en) * | 2014-10-27 | 2017-09-26 | 加布里埃尔·加涅-马科特 | Push-pull type counterflow heat exchanger |
| CN105526691B (en) * | 2016-01-08 | 2019-03-26 | 广东美的制冷设备有限公司 | Wind guiding component and axis stream cabinet-type air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441408U (en) * | 1985-11-28 | 1989-03-13 | ||
| KR20050114838A (en) * | 2004-06-02 | 2005-12-07 | 한라공조주식회사 | Centrifugal dual fan of air conditioner for vehicle |
| CN1938521A (en) * | 2004-04-09 | 2007-03-28 | Lg电子株式会社 | Fan for air conditioner |
| KR20080027633A (en) * | 2006-09-25 | 2008-03-28 | 한라공조주식회사 | Both-way inlet type blower unit |
| CN201071831Y (en) * | 2007-06-08 | 2008-06-11 | 杭州奥普卫厨科技有限公司 | Double side wind suction wheel |
| CN201407207Y (en) * | 2009-04-24 | 2010-02-17 | 广东美的电器股份有限公司 | Multi-blade centrifugal wind wheel |
| CN101725550A (en) * | 2008-10-13 | 2010-06-09 | 三星电子株式会社 | Centrifugal fan and air conditioner having the same |
| CN202250933U (en) * | 2011-08-23 | 2012-05-30 | 李致真 | Two-way air intake centrifugal fan |
-
2012
- 2012-07-30 CN CN201210266360.7A patent/CN103574764B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441408U (en) * | 1985-11-28 | 1989-03-13 | ||
| CN1938521A (en) * | 2004-04-09 | 2007-03-28 | Lg电子株式会社 | Fan for air conditioner |
| KR20050114838A (en) * | 2004-06-02 | 2005-12-07 | 한라공조주식회사 | Centrifugal dual fan of air conditioner for vehicle |
| KR20080027633A (en) * | 2006-09-25 | 2008-03-28 | 한라공조주식회사 | Both-way inlet type blower unit |
| CN201071831Y (en) * | 2007-06-08 | 2008-06-11 | 杭州奥普卫厨科技有限公司 | Double side wind suction wheel |
| CN101725550A (en) * | 2008-10-13 | 2010-06-09 | 三星电子株式会社 | Centrifugal fan and air conditioner having the same |
| CN201407207Y (en) * | 2009-04-24 | 2010-02-17 | 广东美的电器股份有限公司 | Multi-blade centrifugal wind wheel |
| CN202250933U (en) * | 2011-08-23 | 2012-05-30 | 李致真 | Two-way air intake centrifugal fan |
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| CN103574764A (en) | 2014-02-12 |
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