CN106015087A - Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit - Google Patents
Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit Download PDFInfo
- Publication number
- CN106015087A CN106015087A CN201610578976.6A CN201610578976A CN106015087A CN 106015087 A CN106015087 A CN 106015087A CN 201610578976 A CN201610578976 A CN 201610578976A CN 106015087 A CN106015087 A CN 106015087A
- Authority
- CN
- China
- Prior art keywords
- blade
- tubular wine
- wine wheel
- cross
- wheel
- 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
Links
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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/245—Means for preventing or suppressing noise using resonance
Abstract
The invention discloses a cross-flow wind wheel, a cross-flow fan and an air conditioner indoor unit. The cross-flow wind wheel comprises a rotating shaft and impellers mounted on the rotating shaft. Each impeller comprises two end plates arranged in parallel and a plurality of blades, wherein the two ends of the multiple blades are fixed to the two end plates in a one-to-one correspondence manner. At least one end plate and the rotating shaft are fixed. The multiple blades are distributed on the circular area around the axis of the rotating shaft at intervals. The number of the blades is a prime number. According to the technical scheme, the rotating noise of the cross-flow wind wheel can be lowered.
Description
Technical field
The present invention relates to household appliances field, particularly to a kind of tubular wine wheel, cross flow fan and air conditioning chamber
Interior machine.
Background technology
Tubular wine wheel is because having simple in construction, and volume is little, the air-flow of generation is steady, dynamic pressure coefficient is higher,
The features such as reach is longer, are widely used in the equipment of the ventilations such as air-conditioning.
Tubular wine wheel is mainly used in chamber interior walls on-hook structure in field of air conditioning, therefore to its noise control
The requirement of system is higher.In the work process of tubular wine wheel, fan blade, relative to air motion, is met
Wind side is different with leeward side pressure.At the blade path exit of rotary blade Pneumatic pressure circumferentially
All great changes have taken place with air velocity for power, and the blade path of rotation skims at narrower snail tongue, arises that
Periodically pressure and velocity fluctuation, thus produce rotational noise；This noise also includes by the motion of blade
The vibration of the different frequency of the surrounding caused.And when blade passes through at snail tongue or produces pressure and speed
When the frequency of pulse is identical with the frequency of ambient environment vibrations or has common common divisor, then both vibrations exist
Some particular moment can occur superposition, produces resonance, increases the rotational noise of tubular wine wheel.
Summary of the invention
The main object of the present invention is to propose a kind of tubular wine wheel, it is intended to reduce the Rotation Noise of tubular wine wheel.
For achieving the above object, the tubular wine wheel that the present invention proposes, including rotary shaft and be installed on described rotation
The impeller of rotating shaft, it is described that described impeller includes that parallel arrangement of two end plates and two ends one_to_one corresponding are fixed on
Multiple blades of two end plates, end plate described at least fixes with described rotary shaft, and the plurality of blade is at ring
In spaced apart on the circle ring area of described rotating shaft axis, and the quantity of described blade is prime number.
Preferably, quantity n=37 of described blade.
Preferably, the outer circumference diameter of described circle ring area is d1, 130mm≤d1≤160mm。
Preferably, a diameter of d of the inner circumferential of described circle ring area2, 0.64d1≤d2≤0.9d1。
Preferably, the plurality of blade on described circle ring area in unevenly spaced distribution.
Preferably, described impeller is provided with multiple, and the plurality of impeller depends on the axial direction of described rotary shaft
Secondary splicing is in one.
Preferably, two described impellers of arbitrary neighborhood, a described end plate is shared in stitching portion.
Preferably, the blade on two described impellers of arbitrary neighborhood mutually staggers arrangement.
The present invention also proposes a kind of cross flow fan, including tubular wine wheel, this tubular wine wheel include rotary shaft and
Being installed on the impeller of described rotary shaft, described impeller includes parallel arrangement of two end plates and two ends one a pair
Should be fixed on multiple blades of described two end plates, end plate described at least is fixed with described rotary shaft, described
Multiple blades on the circle ring area around described rotating shaft axis in spaced apart, and the number of described blade
Amount is prime number.
The present invention also proposes a kind of indoor apparatus of air conditioner, and including cross flow fan, this cross flow fan includes through-flow wind
Wheel, this tubular wine wheel includes rotary shaft and is installed on the impeller of described rotary shaft, and described impeller includes parallel
The two end plates arranged and two ends one_to_one corresponding are fixed on multiple blades of described two end plates, described at least one
End plate is fixed with described rotary shaft, and the plurality of blade is on the circle ring area around described rotating shaft axis
In spaced apart, and the quantity of described blade is prime number.
Technical solution of the present invention, by the number of blade of tubular wine wheel is defined to prime number, makes blade rotate air-supply
Time produced vibration frequency and surrounding other vibration frequencies the most relatively prime, with reduce blade with
The resonance of surrounding, reduces the Rotation Noise of tubular wine wheel.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other according to the structure shown in these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of tubular wine wheel one embodiment of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the cross-sectional view in Fig. 2 along III-III line；
Fig. 4 is the enlarged diagram in Fig. 2 at A.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 1 | Impeller | 11 | Blade |
| 2 | Rotary shaft | 3 | End plate |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
It is to be appreciated that if the embodiment of the present invention relates to directivity instruction (such as upper and lower, left and right,
It is forward and backward ...), then directionality instruction is only used for explaining in a certain particular pose (as shown in drawings)
Under relative position relation between each parts, motion conditions etc., if this particular pose changes,
Then directionality instruction changes the most therewith.
If it addition, the embodiment of the present invention relates to the description of " first ", " second " etc., then be somebody's turn to do " the
One ", the description of " second " etc. is only used for describing purpose, and it is not intended that instruction or imply that it is relative
Importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, each embodiment it
Between technical scheme can be combined with each other, but must be to can be implemented as with those of ordinary skill in the art
Basis, when technical scheme combination occur conflicting maybe cannot realize time will be understood that this technical scheme
Combination do not exist, the most not within the protection domain of application claims.
The present invention proposes a kind of tubular wine wheel.
In an embodiment of the present invention, as it is shown in figure 1, this tubular wine wheel includes rotary shaft 2 and is installed on
The impeller 1 of rotary shaft 2, impeller 1 includes that parallel arrangement of two end plates 3 and two ends one_to_one corresponding are fixed on
Multiple blades 11 of two end plates 3, at least end plate 3 are fixed with rotary shaft 2, and multiple blade 11 is in cincture
In spaced apart on the circle ring area of rotary shaft 2 axis, and the quantity of blade 11 is prime number.Specifically,
In tubular wine wheel work process, each blade 11 arrives air supply position and can produce due to the impact of air-flow with air pressure
The raw vibration exciting noise, owing to the quantity of blade 11 is prime number, if then rotating a circle as list with impeller 1
Bit time, the frequency producing this vibration in impeller 1 motor process is prime number, and simultaneously, surrounding by
Rotation in impeller 1 also has different frequency of vibration；It is appreciated that prime number is mutual with Any Digit
The probability of matter (i.e. not having identical common divisor outside divisor word 1) is obviously more than closing general relatively prime with this numeral of number
Rate.
Technical solution of the present invention, by the blade 11 of tubular wine wheel number is defined to prime number, makes blade 11 revolve
Transfer the frequency of other vibrations of the frequency of produced vibration and surrounding during wind the most relatively prime, to reduce
Blade 11 and the resonance of surrounding, reduce the Rotation Noise of tubular wine wheel.
Table 1
With reference to table 1, comprehensive air quantity and noise two item data consider, during quantity n=37 of blade 11, and through-flow
The best performance of wind wheel.
With reference to Fig. 3, further, in the present embodiment, the outer circumference diameter of annulus is d1, 130mm≤d1
≤160mm.At present, blade 11 number of the impeller 1 on market is commonly 35, outer circumference diameter d1For
30mm～60mm；Be appreciated that employing 37 blades 11 while reaching noise reduction, if still adopting
By the outer circumference diameter scope of existing 35 blade wind wheel, then owing to adding 2 blades 11, wind wheel can be caused
Outer peripheral face blade 11 gross area becomes big, and accordingly, the air-supply gross area will diminish, so that air quantity reduces；
The technical program appropriateness increases the diameter range d of wind wheel outer peripheral face1, to ensure wind wheel while noise reduction
Air quantity.It should be noted that the design is not limited to this, in other embodiments, outer circumference diameter d1 can not
Belong to 130mm～160mm, and ensure air quantity by other means.
Further, a diameter of d of the inner circumferential of annulus2, 0.64d1≤d2≤0.9d1.Certain in outer circumference diameter
In the case of, so, both ensure that the volume of impeller 1 wind pushing cavity, to provide sufficiently large air quantity, protected again
The air-supply face length degree of card blade 11, to provide sufficiently large blast.
Further, multiple blades 11 on circle ring area in unevenly spaced distribution.So, annular regions
On territory, any biphase adjacent blade 11 is different through the time slot of impeller 1 air outlet, then can effectively reduce
The superposition of Rotation Noise.
Further, with reference to Fig. 2, impeller 1 is provided with multiple, axial in rotary shaft 2 of the plurality of impeller 1
Splice successively on direction in one.It is appreciated that and is set to wind wheel be made up of multiple impellers 1, can increase
Add wind wheel axial length to avoid blade 11 long while increasing intake and cause it to be easily damaged.Enter
One step ground, two impellers 1 of arbitrary neighborhood, an end plate 3 is shared in stitching portion.Specifically, blade 11
End be fixed on end plate 3；Such as but not limited to, blade 11 can be locked by screw, bonding agent is bonding
Or the mode such as clamping is fixed on end plate 3, the invention is not limited in this regard.Without loss of generality, in the present embodiment,
The end plate 3 being positioned at the axial two edges of wind wheel is circular slab, with the wind pushing cavity from side-closed wind wheel, prevents
Wind is run in wind wheel side；And the end plate 3 between two circular slabs is annular, to connect two adjacent fan-wheel 1
Wind pushing cavity.
Further, the blade 11 on two impellers 1 of arbitrary neighborhood mutually staggers arrangement.Specifically,
With reference to Fig. 4, the spacing between any two corresponding blades 11 of two adjacent fan-wheel 1 is △ S；During wind wheel work,
Two corresponding blades 11 start simultaneously at motion, and the movement velocity of two blades 11 is identical, but due to the existence of △ S,
The distance of both distance air outlets is different, so, and the time difference that two blades 11 will be caused to arrive air outlet,
Then both to produce times of noise and vibrations different, it is to avoid the superposition of both synchronizations noise is preferred,
Blade 11 on any two impellers 1 mutually staggers arrangement, to avoid occurring between any two impellers 1 superposition
Noise.Meanwhile, when blade 11 locks for screw or the mode of grafting is fixed on end plate 3, end plate 3 liang
The blade 11 of side staggers to arrange and is more convenient for the installation of blade 11.
The present invention also proposes a kind of cross flow fan, and this cross flow fan includes tubular wine wheel, this tubular wine wheel
Concrete structure is with reference to above-described embodiment, owing to cross flow fan have employed whole technology of above-mentioned all embodiments
Scheme, the most at least has all beneficial effects that the technical scheme of above-described embodiment is brought, at this not
Repeat the most one by one.
The present invention also proposes a kind of indoor apparatus of air conditioner, and this indoor apparatus of air conditioner includes cross flow fan, this through-flow wind
Machine includes tubular wine wheel, and the concrete structure of this tubular wine wheel is with reference to above-described embodiment, owing to cross flow fan is adopted
By whole technical schemes of above-mentioned all embodiments, the most at least there is the technical scheme of above-described embodiment
The all beneficial effects brought, this is no longer going to repeat them.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Under the inventive concept of the present invention, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made,
Or directly/be indirectly used in other relevant technical fields and be included in the scope of patent protection of the present invention.
Claims (10)
1. a tubular wine wheel, it is characterised in that include rotary shaft and be installed on the impeller of described rotary shaft,
Described impeller includes that parallel arrangement of two end plates and two ends one_to_one corresponding are fixed on the multiple of described two end plates
Blade, end plate described at least fixes with described rotary shaft, and the plurality of blade is around described rotary shaft
In spaced apart on the circle ring area of axis, and the quantity of described blade is prime number.
2. tubular wine wheel as claimed in claim 1, it is characterised in that quantity n=37 of described blade.
3. tubular wine wheel as claimed in claim 2, it is characterised in that the periphery of described circle ring area is straight
Footpath is d1, 130mm≤d1≤160mm。
4. tubular wine wheel as claimed in claim 3, it is characterised in that the inner circumferential of described circle ring area is straight
Footpath is d2, 0.64d1≤d2≤0.9d1。
5. the tubular wine wheel as described in Claims 1-4 any one, it is characterised in that the plurality of
Blade on described circle ring area in unevenly spaced distribution.
6. the tubular wine wheel as described in Claims 1-4 any one, it is characterised in that described impeller
Being provided with multiple, the plurality of impeller splices in one on the axial direction of described rotary shaft successively.
7. tubular wine wheel as claimed in claim 6, it is characterised in that two described leaves of arbitrary neighborhood
Wheel, shares a described end plate in stitching portion.
8. tubular wine wheel as claimed in claim 6, it is characterised in that two described leaves of arbitrary neighborhood
Blade on wheel mutually staggers arrangement.
9. a cross flow fan, it is characterised in that include as described in claim 1 to 8 any one
Tubular wine wheel.
10. an indoor apparatus of air conditioner, it is characterised in that include cross flow fan as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578976.6A CN106015087A (en) | 2016-07-21 | 2016-07-21 | Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578976.6A CN106015087A (en) | 2016-07-21 | 2016-07-21 | Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015087A true CN106015087A (en) | 2016-10-12 |
Family
ID=57116881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578976.6A Pending CN106015087A (en) | 2016-07-21 | 2016-07-21 | Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015087A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351874A (en) * | 2016-10-24 | 2017-01-25 | 美的集团武汉制冷设备有限公司 | Cross flow wind wheel and air equipment |
| CN110360656A (en) * | 2019-08-08 | 2019-10-22 | 广东美的制冷设备有限公司 | Tubular wine wheel and air conditioner indoor unit |
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|---|---|---|---|---|
| CN2837569Y (en) * | 2005-04-25 | 2006-11-15 | 海尔集团公司 | Cross flow fan for air conditioner indoor unit |
| CN101392760A (en) * | 2008-10-31 | 2009-03-25 | 广东美的电器股份有限公司 | Multiple wing centrifugation wind wheel |
| CN201843824U (en) * | 2010-11-09 | 2011-05-25 | 重庆圣锦汽车配件有限公司 | Through-flow fan blade |
| CN102483068A (en) * | 2009-09-11 | 2012-05-30 | 夏普株式会社 | Cross-flow fan, molding die, and fluid feed device |
| CN203730397U (en) * | 2014-03-05 | 2014-07-23 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
| CN104747492A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall air conditioner |
| CN104747495A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Forward type centrifugal fan blade, centrifugal fan and air conditioner of centrifugal fan |
| CN205383107U (en) * | 2016-01-26 | 2016-07-13 | 广东美的制冷设备有限公司 | Tubular wine wheel reaches air conditioner including this tubular wine wheel |
| CN205876800U (en) * | 2016-07-21 | 2017-01-11 | 美的集团武汉制冷设备有限公司 | Machine in tubular wine wheel, through -flow fan and air conditioning |
-
2016
- 2016-07-21 CN CN201610578976.6A patent/CN106015087A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837569Y (en) * | 2005-04-25 | 2006-11-15 | 海尔集团公司 | Cross flow fan for air conditioner indoor unit |
| CN101392760A (en) * | 2008-10-31 | 2009-03-25 | 广东美的电器股份有限公司 | Multiple wing centrifugation wind wheel |
| CN102483068A (en) * | 2009-09-11 | 2012-05-30 | 夏普株式会社 | Cross-flow fan, molding die, and fluid feed device |
| CN201843824U (en) * | 2010-11-09 | 2011-05-25 | 重庆圣锦汽车配件有限公司 | Through-flow fan blade |
| CN104747492A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall air conditioner |
| CN104747495A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Forward type centrifugal fan blade, centrifugal fan and air conditioner of centrifugal fan |
| CN203730397U (en) * | 2014-03-05 | 2014-07-23 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
| CN205383107U (en) * | 2016-01-26 | 2016-07-13 | 广东美的制冷设备有限公司 | Tubular wine wheel reaches air conditioner including this tubular wine wheel |
| CN205876800U (en) * | 2016-07-21 | 2017-01-11 | 美的集团武汉制冷设备有限公司 | Machine in tubular wine wheel, through -flow fan and air conditioning |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351874A (en) * | 2016-10-24 | 2017-01-25 | 美的集团武汉制冷设备有限公司 | Cross flow wind wheel and air equipment |
| CN106351874B (en) * | 2016-10-24 | 2019-09-27 | 美的集团武汉制冷设备有限公司 | Tubular wine wheel and air device |
| CN110360656A (en) * | 2019-08-08 | 2019-10-22 | 广东美的制冷设备有限公司 | Tubular wine wheel and air conditioner indoor unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |