CN106015090B - A kind of centrifugation blade, centrifugal blower and air-conditioning equipment - Google Patents
A kind of centrifugation blade, centrifugal blower and air-conditioning equipment Download PDFInfo
- Publication number
- CN106015090B CN106015090B CN201610503560.8A CN201610503560A CN106015090B CN 106015090 B CN106015090 B CN 106015090B CN 201610503560 A CN201610503560 A CN 201610503560A CN 106015090 B CN106015090 B CN 106015090B
- Authority
- CN
- China
- Prior art keywords
- blade
- leading edge
- centrifugation
- air
- recess portion
- 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.)
- Active
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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of centrifugation blade, centrifugal blower and air-conditioning equipments, are related to air-conditioning technical field.The technical solution mainly used are as follows: a kind of centrifugation blade includes shroud, hub disk and multiple fan blades.Wherein, air inlet is provided on shroud；Air outlet is provided between hub disk and shroud；Multiple blades are evenly spaced between shroud and hub disk；Wherein, the leading edge of blade is arranged to the shape of imitative bird's wing wing outer rim；Wherein, air-flow enters in centrifugation blade from air inlet, and the leading edge through blade enters runner, then the rear through blade is flowed out from air outlet.A kind of centrifugal blower includes above-mentioned centrifugation blade.A kind of air-conditioning equipment includes above-mentioned centrifugal blower.Present invention is mainly used for the working efficiencies for improving centrifugation blade, centrifugal blower and air-conditioning equipment, reduce the noise and power consumption of centrifugation blade, centrifugal blower and air-conditioning equipment.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of centrifugation blade, centrifugal blower and air-conditioning equipment.
Background technique
Currently, being usually mounted with centrifugation blade in air-conditioning equipment, the centrifugation blade is for moving air through heat exchanger, in turn
The refrigerant in air-flow and heat exchanger is set to carry out heat exchange, to achieve the purpose that refrigeration and heating.
The working efficiency of existing centrifugation blade is not generally high, mainly since the blade of centrifugation blade is produced when rotated
Resistance it is larger, a big chunk energy be used to overcome pressure drag.And due to the presence of pressure drag, so that air-flow is easy
Secondary Flow and segregation phenomenon are generated at the entrance (i.e. the leading edge of centrifugation blade blade) of centrifugation blade, lead to the production for being vortexed noise
It is raw, to keep the noise of centrifugal blower and power consumption levels higher, and limit the efficiency of centrifugal blower.
In addition, centrifugal blower is the conveying for realizing air-flow by the air inlet through hollow shaft of centrifugation blade, radial outlet air.When air-flow exists
When entering runner by the leading edge of blade from centrifugation blade entrance, the root for having little time to reach blade inlet edge just has occurred and that turn
And it is inhaled into fan blade runner, cause the blade inlet edge root of centrifugation blade that can not do work to air-flow, not only waste material in this way,
And increase the raising that the motor load in centrifugal blower causes motor power consumption level, it further reduced centrifugal blower efficiency.
Summary of the invention
In view of this, the present invention provides a kind of centrifugation blade, centrifugal blower and air-conditioning equipment, main purpose be to reduce from
Heart fan blade, the noise of centrifugal blower and power consumption improve the working efficiency of centrifugation blade, centrifugal blower.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of centrifugation blade, and the centrifugation blade includes:
Shroud is provided with air inlet on the shroud, for making air-flow axially into centrifugation blade；
Hub disk is provided with air outlet between the hub disk and shroud, for making centrifugation blade radial direction outlet air；
Multiple blades, the multiple blade are evenly spaced between the shroud and hub disk；Wherein, the leading edge of the blade
It is arranged to the shape of imitative bird's wing wing outer rim；
Wherein, for air-flow from the air inlet axially into centrifugation blade, the leading edge through the blade enters runner, then passes through
The rear of the blade is flowed out from the air outlet.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the leading edge of the blade has a first end and a second end；The first end is before the hub disk
Edge blade root, the second end are close to the leading edge leaf top of the shroud；
Wherein, the shape of the imitative bird's wing wing outer rim is in successively presenting from the leading edge blade root to leading edge leaf top
Recessed, evagination curve shape variation.
Preferably, recess portion and protrusion are provided in the leading edge of the blade；Wherein,
The recess portion is located at the leading edge blade root or at leading edge leaf location of root；
The protrusion is located in the middle part of the leading edge of the blade or at the position in the middle part of leading edge.
Preferably, when the recess portion is located at leading edge leaf location of root, the protrusion and recess portion will be described
The leading edge of blade is divided into three sections of gentle transition；
Wherein, three sections of the gentle transition include by leading edge leaf top gentle transition to the most convex of the protrusion
First segment, the second segment of most recess by the most convex gentle transition of the protrusion to the recess portion, by the most recessed of the recess portion
Place transits to the third section of the leading edge blade root.
It preferably, is arc structure by the third section that the most recess of the recess portion transits to the leading edge blade root.
It preferably, is perpendicular in the hub disk by the third section that the most recess of the recess portion transits to the leading edge blade root
The straight section of baseplane.
Preferably, when the recess portion is located on the leading edge blade root, the protrusion and recess portion are by the leading edge of the blade
It is divided into two sections of gentle transition；
Wherein, two sections of the gentle transition include by leading edge leaf top gentle transition to the most convex of the protrusion
First segment, by protrusion most convex gentle transition to the blade root second segment.
Preferably, at the position for the leading edge middle and lower part that the protrusion is located at the blade.
Preferably, the protrusion is arc-shaped.
Preferably, when the third section of the most recess gentle transition of the recess portion to the leading edge blade root is arc structure,
The recess portion is arc-shaped.
Preferably, the protrusion is equal with the radius of recess portion.
On the other hand, the embodiment of the present invention provides a kind of centrifugal blower, and the centrifugal blower includes centrifugation blade and electricity
Machine；Wherein, the centrifugation blade is centrifugation blade described in any of the above embodiments.
On the other hand, the embodiment of the present invention provides a kind of air-conditioning equipment, including above-described centrifugal blower.
Compared with prior art, centrifugation blade of the invention, centrifugal blower and air-conditioning equipment at least have following beneficial
Effect:
Centrifugation blade provided in an embodiment of the present invention imitates the shape of bird's wing wing outer rim by the way that the leading edge of blade to be arranged to, and makes
Regular variation is presented from leading edge blade root to leading edge leaf top for the leading edge of blade, and the leading edge of this shape can reduce air-flow in fan blade
Input end boundary layer (i.e. the leading edge of fan blade) separation, reduce centrifugation blade blade pressure drag, prevent the production of Secondary Flow
It is raw, to improve the working efficiency of centrifugation blade and centrifugal blower, reduce the noise and power consumption of centrifugal blower.
Further, centrifuge blade provided in an embodiment of the present invention is by the way that the leading edge of blade to be arranged to such as from leading edge blade root
To the structure that indent is successively presented in leading edge leaf top, the curve shape of evagination changes, in addition to the reduction air-flow for realizing described above exists
Fan blade inducer boundary layer separation, reduce fan blade pressure drag beneficial effect except, since the leading edge root of blade is (in this
Leading edge root includes the part in the leading edge of leading edge blade root and blade close to leading edge blade root) air-flow is not worked, and by blade
Leading edge root carry out indent processing (that is, setting recess portion), for the blade of existing centrifugation blade, which removes parts
Material, to reduce the cost of centrifugation blade and the load of motor, further reach reduce centrifugation blade, centrifugal blower noise and
Power consumption improves the purpose of centrifugation blade, centrifugal blower efficiency.
To sum up, centrifugation blade provided in an embodiment of the present invention, centrifugal blower and air-conditioning equipment are by by the centrifugation blade middle period
The leading edge of piece is arranged to imitative bird's wing wing shape, reduces air-flow in vane inlet end boundary layer separation, reduces fan blade pressure drag,
Simultaneously because blade inlet edge root does not work air-flow, handled using indent, remove some materials, reduce centrifugation blade at
The load of this and motor is finally reached the noise and power consumption for reducing centrifugation blade, centrifugal blower and air-conditioning equipment, improves centrifugation wind
The purpose of leaf, centrifugal blower and air-conditioning equipment working efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for centrifugation blade that the embodiment of the present invention provides；
Fig. 2 is a kind of schematic cross-sectional view for centrifugation blade that the embodiment of the present invention provides；
Fig. 3 is a kind of partial enlargement diagram for blade that the embodiment of the present invention provides；
Fig. 4 is a kind of leading edge curve shape schematic diagram for blade that the embodiment of the present invention provides；
Fig. 5 is the leading edge curve shape schematic diagram for another blade that the embodiment of the present invention provides；
Fig. 6 is the leading edge curve shape schematic diagram for another blade that the embodiment of the present invention provides.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Specific embodiment, structure, feature and its effect applied according to the present invention is described in detail such as in attached drawing and preferred embodiment
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, one or more
Special characteristic, structure or feature in a embodiment can be combined by any suitable form.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment provides a kind of centrifugation blade, which includes shroud 1, hub disk 2 and more
A blade 3.Wherein, it is provided with air inlet 11 on shroud 1, for making air-flow axially into centrifugation blade.Hub disk 2 and shroud 1
Between be provided with air outlet, for making centrifugation blade radial direction outlet air.Multiple blades 3 are evenly spaced between shroud 1 and hub disk 2；
Wherein, the leading edge 31 of blade 3 be arranged to imitative bird's wing wing outer rim shape (31 shape of leading edge of the blade as described in Fig. 1 to Fig. 3,
And leading edge curve shape as shown in Figures 4 to 6).
Centrifugation blade is provided in the present embodiment, air-flow is sucked into centrifugation blade from air inlet 11 is axial driven by the motor
In, the leading edge 31 through blade 3 enters runner, then the rear through blade 3 is flowed out from air outlet.
Centrifugation blade provided in this embodiment imitates the shape of bird's wing wing outer rim by the way that the leading edge 31 of blade 3 to be arranged to, and makes
Regular variation is presented from leading edge blade root to leading edge leaf top for the leading edge 31 of blade 3, and the leading edge of this shape can reduce air-flow and exist
The separation in the input end boundary layer (i.e. the leading edge of fan blade 3) of fan blade 3 reduces the pressure drag of centrifugation blade blade 3, prevents secondary
The generation of stream reduces the noise and power consumption of centrifugal blower to improve the working efficiency of centrifugation blade and centrifugal blower.
Preferably, the leading edge of blade 3 is preferably arranged to the outer rim of imitative seabird wing in the present embodiment and following embodiments
Shape.
Preferably, the shroud 1 in the present embodiment and following embodiments is connected with hub disk 2 by connector, and in 1 He of shroud
The cavity for accommodating blade 3 is formed between hub disk 2, also, air outlet is arranged on the cavity；The rear of multiple blades 3 is equal
It is even to be arranged at air outlet.
Embodiment 2
Preferably, as shown in Figure 1 to Figure 3, a kind of centrifugation blade is provided in the present embodiment, compared with a upper embodiment, this
The leading edge 31 of blade 3 has a first end and a second end in embodiment；First end is the leading edge blade root 312 close to hub disk 2, second end
For close to the leading edge leaf top 311 of shroud 1.Preferably, the leading edge blade root 312 in the present embodiment and plane where the interior bottom of hub disk 2
Contact.
Wherein, the shape of the imitative bird's wing wing outer rim in the present embodiment refers specifically to: from leading edge blade root 312 to leading edge leaf top
311 are successively presented the curve shape variation of indent, evagination.It is specific as follows: as shown in Figures 1 to 6, blade 3 in the present embodiment
Protrusion 313 and recess portion 314 are provided in leading edge；Wherein, recess portion 314 is located at leading edge blade root 312 or the position close to leading edge blade root 312
Set place.Protrusion 313 is located in the middle part of the leading edge of blade 3 or at the position in the middle part of leading edge, preferably up-front middle and lower part.
Centrifuge blade provided in this embodiment is by the way that the leading edge of blade 3 to be arranged to such as from leading edge blade root to leading edge Ye Dingyi
It is secondary present indent, evagination curve shape variation structure, in addition to realizing that reduction air-flow is in fan blade described in above-described embodiment 1
Inducer boundary layer separation, reduce fan blade pressure drag beneficial effect except, since the leading edge root of blade 3 is (before in this
Edge root includes the part in the leading edge of leading edge blade root 312 and blade 3 close to leading edge blade root 312) air-flow is not worked, and incite somebody to action
The leading edge root of blade 3 carries out indent processing (that is, setting recess portion), for the blade of existing centrifugation blade, removal
Some materials, to reduce the cost of centrifugation blade and the load of motor, further reaching reduces centrifugation blade, centrifugal blower
Noise and power consumption improve the purpose of centrifugation blade, centrifugal blower efficiency.
Embodiment 3
Preferably, the present embodiment provides a kind of centrifugation blades, compared with above-described embodiment, as shown in Figures 1 to 4, this reality
The recess portion 314 in the centrifugation blade of example in the leading edge of blade is applied to be located at the position of leading edge blade root 312.Correspondingly, this reality
Apply three sections that the leading edge of blade is divided into gentle transition by protrusion 313 and recess portion 314 in example.Wherein, three sections of packets of gentle transition
Include by 311 gentle transition of leading edge leaf top to protrusion 313 most convex first segment, by protrusion 313 most convex gentle transition to
The second segment of the most recess of recess portion 314, by recess portion 314 most recess gentle transition to leading edge blade root 312 third section.Wherein,
Arc structure of the most recess gentle transition of third Duan Weicong recess portion 314 in the present embodiment to leading edge blade root 312.
Preferably, at the position for the leading edge middle and lower part that the protrusion 313 in the present embodiment is located at blade.
The leading edge curve shape of blade is as shown in Figure 4 in the centrifugation blade of the present embodiment.Wherein, protrusion 313 is due to recessed
Self-assembling formation after 314 indent of portion forms recess portion 314 by removal material on the basis of prophyll piece leading edge shape.Preferably
Ground, be formed by recess portion 314 and protrusion 313 be it is arc-shaped, the radius of circular arc-shaped recess 314 substantially be formed by it is arc-shaped
The radius of protrusion 313 is equal, smoothly transits from recess portion 314 to protrusion 313.
It as depicted in figs. 1 and 2, will when above-mentioned centrifugation blade provided in this embodiment operates under the action of motor
Runner of the air-flow from the axial sucking fan blade of air inlet 11, wherein air-flow when entering the runner of fan blade first with blade inlet edge 31
On protrusion 313 contact, then respectively forwardly flowed at edge leaf top 311 and leading edge blade root 312, eventually enter into the runner quilt of fan blade
Fan blade 3 is thrown away from the rear of blade 3 through air outlet after doing work.
The blade inlet edge design of this imitative bird's wing wing in the present embodiment centrifugation blade can reduce fan blade input end boundary
The separation of layer reduces fan blade pressure drag, the generation of Secondary Flow is prevented, simultaneously because air-flow is not done in blade inlet edge root
Function is handled using indent, is removed some materials, is reduced the cost of centrifugation blade and the load of motor, and reduction centrifugation is finally reached
Fan blade, the noise of centrifugal blower and power consumption, improve centrifugation blade, centrifugal blower working efficiency purpose.
Embodiment 4
Preferably, the present embodiment provides a kind of centrifugation blades, as shown in fig. 6, centrifugation blade and implementation in the present embodiment
Centrifugation blade in example 3 is compared, and is distinguished as follows: the third section of the blade inlet edge in the present embodiment is perpendicular to hub disk plane
Straight section.
Correspondingly, the recess portion compared with the recess portion in embodiment 3 on blade inlet edge, in the present embodiment in the leading edge of blade
314 depth is shallower, preferably, the recess portion 314 in the present embodiment is only the upper half close to protrusion 313 of 3 center dant of embodiment
Part.
Preferably, protrusion 313 is located at the leading edge middle and lower part of blade.Preferably, the protrusion 313 in the present embodiment is circular arc
Shape.
Centrifugation blade provided in this embodiment can also play reduction centrifugation wind such as centrifugation blade described in embodiment 3
Leaf, the noise of centrifugal blower and power consumption, improve centrifugation blade, centrifugal blower working efficiency purpose.
Embodiment 5
Preferably, the present embodiment provides a kind of centrifugation blade, compared with embodiment 3 and embodiment 4, as shown in figure 5, this reality
The recess portion applied in example is located at leading edge blade root 312, that is, leading edge blade root 312 itself is used as recess portion.Correspondingly, protrusion 313 and recess portion will
The leading edge of blade is divided into two sections of gentle transition.Wherein, two sections of gentle transition include by 311 gentle transition of leading edge leaf top to convex
It plays the first segment at 313 top, be gently transitioned into the second segment of leading edge blade root 312 (i.e. recess portion) by the top of protrusion 313.
The present embodiment by above-mentioned setting, make recess portion (that is, leading edge blade root 312) in the leading edge of blade directly with hub disk
Interior baseplane contact, to form big triangle indent, correspondingly, resulting raised 313 degree of convexity can be more
It is larger, but the position of protrusion 313 substantially remains in leading edge middle and lower part position.The material that this concave inward structure of the present embodiment is removed
Material is more, more preferable for the effect for reducing fan blade material cost and motor load.
Embodiment 6
On the other hand, the present embodiment provides a kind of centrifugal blower, which includes centrifugation blade and motor.Wherein,
Centrifugation blade is centrifugation blade described in any of the above-described embodiment.
It include centrifugation blade described in any of the above-described embodiment as centrifugal blower in this present embodiment, so the present embodiment
In centrifugal blower have lower noise, power consumption smaller and higher working efficiency.
Embodiment 7
On the other hand, the present embodiment provides a kind of air-conditioning equipments, including centrifugal blower described in embodiment 6.
Wherein, the centrifugal blower in the present embodiment on air-conditioning equipment is for moving air through heat exchanger, so make air-flow with
Refrigerant in heat exchanger carries out heat exchange, to achieve the purpose that refrigeration and/or heating.By air-conditioning equipment in this present embodiment
The centrifugal blower of a upper embodiment has been used, to improve the working efficiency of air-conditioning equipment, and has reduced making an uproar for air-conditioning equipment
Sound and power consumption.
To sum up, centrifugation blade provided by the invention, centrifugal blower and air-conditioning equipment are by will be before blade in centrifugation blade
Edge is arranged to imitative bird's wing wing shape, reduces air-flow in vane inlet end boundary layer separation, reduces fan blade pressure drag, while by
Air-flow is not worked in blade inlet edge root, is handled using indent, some materials is removed, reduces the cost and electricity of centrifugation blade
The load of machine is finally reached the noise and power consumption for reducing centrifugation blade, centrifugal blower and air-conditioning equipment, improve centrifugation blade, from
The purpose of heart blower and air-conditioning equipment working efficiency.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within
In the range of bright technical solution.
Claims (11)
1. a kind of centrifugation blade, which is characterized in that the centrifugation blade includes:
Shroud is provided with air inlet on the shroud, for making air-flow axially into centrifugation blade；
Hub disk is provided with air outlet between the hub disk and shroud, for making centrifugation blade radial direction outlet air；
Multiple blades, the multiple blade are evenly spaced between the shroud and hub disk；Wherein, the leading edge setting of the blade
At the shape of imitative bird's wing wing outer rim；
Wherein, air-flow is from the air inlet axially into centrifugation blade, and the leading edge through the blade enters runner, then through described
The rear of blade is flowed out from the air outlet；
Wherein, the leading edge of the blade has a first end and a second end；First end is the leading edge blade root close to hub disk, and second end is
Close to the leading edge leaf top of shroud；The shape of the imitative bird's wing wing outer rim is in successively presenting from the leading edge blade root to leading edge leaf top
Recessed, evagination curve shape variation；Recess portion and protrusion are provided in the leading edge of the blade；Protrusion is due to after recess portion indent
Self-assembling formation, recess portion is formed by removal material on the basis of prophyll piece leading edge shape；The recess portion is located at the leading edge
At blade root or close leading edge leaf location of root；The protrusion is located in the middle part of the leading edge of the blade or in the middle part of leading edge
At position.
2. centrifugation blade according to claim 1, which is characterized in that when the recess portion is located at close to the leading edge blade root
When at position, the leading edge of the blade is divided into three sections of gentle transition by the protrusion and recess portion；
Wherein, three sections of the gentle transition include first to the most convex of the protrusion by leading edge leaf top gentle transition
Section, the second segment of most recess by the most convex gentle transition of the protrusion to the recess portion, the most recess mistake by the recess portion
It crosses to the third section of the leading edge blade root.
3. centrifugation blade according to claim 2, which is characterized in that transit to the leading edge by the most recess of the recess portion
The third section of blade root is arc structure.
4. centrifugation blade according to claim 2, which is characterized in that transit to the leading edge by the most recess of the recess portion
The third section of blade root is the straight section perpendicular to baseplane in the hub disk.
5. centrifugation blade according to claim 1, which is characterized in that when the recess portion is located on the leading edge blade root,
The leading edge of the blade is divided into two sections of gentle transition by the protrusion and recess portion；
Wherein, two sections of the gentle transition include first to the most convex of the protrusion by leading edge leaf top gentle transition
Section, by protrusion most convex gentle transition to the blade root second segment.
6. according to the described in any item centrifugation blades of claim 2-5, which is characterized in that before the protrusion is located at the blade
At the position of edge middle and lower part.
7. centrifugation blade according to claim 1-5, which is characterized in that the protrusion is arc-shaped.
8. centrifugation blade according to claim 7, which is characterized in that when the most recess of the recess portion transits to the leading edge
When the third section of blade root is arc structure, the recess portion is arc-shaped.
9. centrifugation blade according to claim 8, which is characterized in that the protrusion is equal with the radius of recess portion.
10. a kind of centrifugal blower, which is characterized in that the centrifugal blower includes centrifugation blade and motor；Wherein, the centrifugation wind
Leaf is the described in any item centrifugation blades of claim 1-9.
11. a kind of air-conditioning equipment, which is characterized in that the air-conditioning equipment includes centrifugal blower described in any one of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503560.8A CN106015090B (en) | 2016-06-27 | 2016-06-27 | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503560.8A CN106015090B (en) | 2016-06-27 | 2016-06-27 | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015090A CN106015090A (en) | 2016-10-12 |
| CN106015090B true CN106015090B (en) | 2019-03-15 |
Family
ID=57104625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610503560.8A Active CN106015090B (en) | 2016-06-27 | 2016-06-27 | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015090B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899318B (en) * | 2019-02-22 | 2021-03-30 | 宁波德业日用电器科技有限公司 | Vortex fan of new health air purifier |
| CN110319054B (en) * | 2019-05-30 | 2020-09-18 | 宁波方太厨具有限公司 | Impeller for forward centrifugal fan |
| JP2021032225A (en) * | 2019-08-29 | 2021-03-01 | 三菱重工コンプレッサ株式会社 | Impeller and centrifugal compressor |
| CN111828382B (en) * | 2020-07-10 | 2022-04-22 | 浙江科贸智能机电股份有限公司 | Impeller of bionic blade centrifugal ventilator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201851371U (en) * | 2009-09-11 | 2011-06-01 | 松下电器产业株式会社 | Blowing fan and air blower using same |
| CN104822946A (en) * | 2013-05-10 | 2015-08-05 | Lg电子株式会社 | Centrifugal fan and method for manufacturing same |
| CN205689489U (en) * | 2016-06-27 | 2016-11-16 | 珠海格力电器股份有限公司 | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008002379A (en) * | 2006-06-23 | 2008-01-10 | Daikin Ind Ltd | Centrifugal fan |
| JP4612084B2 (en) * | 2008-08-29 | 2011-01-12 | 株式会社日立産機システム | Centrifugal fan and air fluid machine using the same |
| JP2015102002A (en) * | 2013-11-25 | 2015-06-04 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Turbo-fan, and air conditioner using the same |
-
2016
- 2016-06-27 CN CN201610503560.8A patent/CN106015090B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201851371U (en) * | 2009-09-11 | 2011-06-01 | 松下电器产业株式会社 | Blowing fan and air blower using same |
| CN104822946A (en) * | 2013-05-10 | 2015-08-05 | Lg电子株式会社 | Centrifugal fan and method for manufacturing same |
| CN205689489U (en) * | 2016-06-27 | 2016-11-16 | 珠海格力电器股份有限公司 | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015090A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106015090B (en) | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment | |
| EP2730787B1 (en) | Centrifugal fan and air conditioner using the same | |
| CN104196761A (en) | Double-air-inlet centrifugal fan | |
| CN106837832A (en) | A kind of new portable electric fan | |
| CN203756593U (en) | High-efficient centrifugal wind wheel | |
| CN102011755A (en) | Fan device without fan blade | |
| CN105275875A (en) | Centrifugal fan blade and centrifugal fan | |
| CN203879799U (en) | Double-suction centrifugal fan blade | |
| CN105240317A (en) | Fan blade | |
| CN111120358A (en) | High-efficient thermal-insulated radiating well pressure fan | |
| CN203879801U (en) | Double-suction type centrifugal fan blade | |
| CN103486081A (en) | Axial-flow fan blade, fan and air-conditioner outdoor unit | |
| CN202628612U (en) | Axial flow fan blade, fan and air conditioner outdoor machine | |
| CN205689489U (en) | A kind of centrifugation blade, centrifugal blower and air-conditioning equipment | |
| CN201080925Y (en) | Fan flow guiding structure | |
| CN204267332U (en) | A kind of efficient quiet axial fan | |
| CN204041542U (en) | Turbofan | |
| CN205876802U (en) | Two -sided air inlet wind wheel and use its range hood | |
| CN1506622A (en) | Duplex centrifugal blower with great wind rate and less noise for kitchen ventilator | |
| CN206111607U (en) | Waste gas treatment system and centrifugal fan thereof | |
| CN207750261U (en) | Efficient mute micro-motor flow fan | |
| CN101368575A (en) | Fan impeller | |
| CN104131997A (en) | Axial flow wind wheel and axial flow fan provided with same | |
| CN207795620U (en) | Suction and blowing device and its impeller | |
| CN203297148U (en) | Through-flow fan for air conditioner capable of effectively improving fan performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |