CN109139545A - Blade, cross-flow fan blade and air conditioner - Google Patents
Blade, cross-flow fan blade and air conditioner Download PDFInfo
- Publication number
- CN109139545A CN109139545A CN201811352186.1A CN201811352186A CN109139545A CN 109139545 A CN109139545 A CN 109139545A CN 201811352186 A CN201811352186 A CN 201811352186A CN 109139545 A CN109139545 A CN 109139545A
- Authority
- CN
- China
- Prior art keywords
- blade
- blades
- flow fan
- fan blade
- snap ring
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 238000004378 air conditioning Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
-
- 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
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or 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 invention provides a wind shield blade, a cross-flow fan blade and an air conditioner, wherein the blade (1) is used for the cross-flow fan blade, the blade (1) comprises two end parts which are oppositely arranged along a first direction, the first direction is the length direction of the cross-flow fan blade, and concave parts and convex parts which are alternately arranged along the width direction of the blade (1) are formed on the surface of the blade (1) between the two end parts. The concave part and the convex part can change the airflow distribution on the surface of the blade (1), avoid the generation of vortex, reduce the airflow separation on the surface of the blade (1) and the noise generated by the interaction between the blade (1) and the shell, and effectively improve the comfort level of the air conditioner.
Description
Technical field
The invention belongs to air-conditioning technique fields, and in particular to a kind of blade, through-flow fan blade and air conditioner.
Background technique
At present mainly comprising the structures such as through-flow fan blade, heat exchanger, volute tongue, inlet and outlet, through-flow wind in Split type air conditioner
Leaf and heat exchanger work in combination, air-flow enter through-flow fan blade rotation acting again by outlet air-supply to room after heat exchanger exchanges heat
Inside, air-flow and volute tongue, which constantly interact, when through-flow fan blade rotates can generate rotational noise, influence the usage experience of user.
Summary of the invention
Therefore, it the technical problem to be solved in the present invention is that providing a kind of blade, through-flow fan blade and air conditioner, can reduce
The noise that through-flow fan blade generates when rotating, improves the usage experience of user.
To solve the above-mentioned problems, the present invention provides a kind of blade, is used for through-flow fan blade, blade includes along first direction phase
To two ends of setting, which is the length direction of through-flow fan blade, and blade is located at the surface shape between two ends
The recess portion being arranged alternately at the width direction along blade and protrusion.
Preferably, blade has hollow cavity, and hollow cavity is for accommodating heat transferring medium.
Preferably, blade includes at least two blades connected in succession along the first preset path, and blades are along first party
To elongation moulding, recess portion is formed between the outer surface of two adjacent blades.
Preferably, the line of centres of at least two blades cross sections forms arc segment.
Preferably, arc segment is single camber line or multistage camber line.
Preferably, recess portion includes connecting bridge, and two adjacent blades are connected with each other by connecting bridge.
Preferably, connecting bridge has the inner surface and the outer surface, the outer surface of the connecting bridge between same group of adjacent blades
Width is greater than inner surface width.
Preferably, the outer surface width of connecting bridge is 0mm~1mm；And/or the inner surface width of connecting bridge be 0mm~
0.4mm。
Preferably, at least one blades has hollow cavity.
Preferably, each blades are respectively provided with hollow cavity.
Preferably, at least two blades have hollow cavity, and the hollow cavity of blades is not connected.
Preferably, at least two blades have hollow cavity, and the hollow cavity of at least two blades is interconnected.
Preferably, the circular in cross-section of blades, ellipse or polygon.
Preferably, when the circular in cross-section of blades, the diameter of blades cross section is 1mm~5mm.
Preferably, the outer dimension of each blades is identical.
Preferably, the outer dimension of at least two blades is different.
Preferably, the quantity of blades is 5~10.
Preferably, it welds or connects and fixes between blades.
According to another aspect of the present invention, a kind of through-flow fan blade is provided, including above-mentioned blade.
Preferably, through-flow fan blade further include: left end cap, right end cap and snap ring, snap ring include multiple card holes, the shape of card hole
Match with blade, blade is threaded through in card hole, and the both ends of blade are connected on left end cap and right end cap.
Preferably, snap ring is two or more, and more than two snap rings are arranged at intervals between left end cap and right end cap.
Preferably, snap ring is adjustable along the lengthwise location of blade.
Preferably, snap ring is three or more, forms spacing between adjacent snap ring, adjacent spacing differs.
Preferably, relationship meets between the quantity N and the distance between left end cap and right end cap L of snap ring: L/ (N+1) >=
200mm。
According to another aspect of the present invention, a kind of air conditioner is provided, including above-mentioned through-flow fan blade.
Blade provided by the invention is used in through-flow fan blade, and blade includes two ends being oppositely arranged along first direction,
Blade is located at the surface between two ends and is formed along the alternatively distributed recess portion in width of blade direction and protrusion, blade of the invention
The non-smooth surface with recess portion and protrusion, can change the air flow method of blade surface by recess portion and protrusion, avoid being vortexed
It generates, reduces the noise for interacting and generating between the air-flow separation and blade and shell of blade surface, effectively improve air-conditioning
Comfort level.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art air conditioner indoor unit；
Fig. 2 is the structural schematic diagram of prior art through-flow fan blade；
Fig. 3 is the configuration schematic diagram of Fig. 2；
Fig. 4 is the middle section blade construction schematic diagram of through-flow fan blade in the prior art；
Fig. 5 is the main view of Fig. 4；
Fig. 6 is a kind of structural schematic diagram of through-flow fan blade of the embodiment of the present invention；
Fig. 7 is a kind of cross-sectional view of blade of the embodiment of the present invention；
Fig. 8 is a kind of cross-sectional view of blade of another embodiment of the present invention；
Fig. 9 is the partial structural diagram of Fig. 7；
Figure 10 is the partial structural diagram of Fig. 7；
Figure 11 is a kind of cross-sectional view of blade of further embodiment of this invention；
Figure 12 is a kind of Snap ring structure schematic diagram of through-flow fan blade of the embodiment of the present invention；
Figure 13 is a kind of structural schematic diagram of through-flow fan blade of another embodiment of the present invention；
Figure 14 is a kind of axonometric drawing of through-flow fan blade of another embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, blade；11, hollow cavity；12, blades；13, connecting bridge；13a, inner surface；13b, outer surface；14, arc segment；
2, left end cap；3, right end cap；4, snap ring；41, card hole；42, through hole；
10, heat exchanger；20, through-flow fan blade；21, middle section fan blade；30, volute tongue；40, import；50, it exports.
Specific embodiment
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of prior art air conditioner indoor unit；Air conditioner indoor unit in the prior art
Mainly comprising heat exchanger 10, through-flow fan blade 20, volute tongue 30, import 40 and outlet 50, heat exchanger 10 is for exchanging heat, through-flow fan blade 20
It is sent to space for doing work and rotating to air-flow, through-flow fan blade 20 and the function of heat exchanger 10 are completed independently of each other.
It is referring to Figure 2 together the structural schematic diagram of through-flow fan blade to Fig. 5, Fig. 2；Fig. 3 is the detonation configuration of through-flow fan blade
Schematic diagram；Fig. 4 and Fig. 5 is respectively the middle section blade structure schematic diagram under different perspectives.Through-flow fan blade commonly used in the prior art
20 include the middle section fan blade 21 and left end cap, right end cap of at least 5 sections or more.Multiple middle section fan blades 21 are fixed on again after welding one by one
Between the end cap of left and right, section fan blade 21 includes several blades and a disk body in each, several blades are along the outer of annulus
All arranged for interval at a certain angle, and blade is single smooth outer surface.
Using the indoor unit of this structure, blade can generate water conservancy diversion in rotary course and be done work to air-flow, thus with gas
Miscarriage raw certain frictional impact or air-flow isolate and fall off, and smooth blade surface is bright to indoor unit performance and influence of noise
It is aobvious.In addition, through-flow fan blade 20 and heat exchanger 10, which separate independent design, largely limits indoor unit for developer
Volume size.
Based on the above issues, applicant spy proposes this programme.
To solve the above-mentioned problems, referring to Figure 6 together and Fig. 7, present invention firstly provides a kind of for through-flow fan blade
Blade 1, blade 1 include two ends being oppositely arranged along first direction, which is the length direction of through-flow fan blade, leaf
Piece 1 is located at the surface between two ends and forms the recess portion being arranged alternately along the width direction of blade 1 and protrusion.Wherein, first
Direction is the transverse direction of view direction shown in Fig. 6.
Blade 1 provided by the invention is used in through-flow fan blade, and blade 1 includes two ends being oppositely arranged along first direction
Portion, blade 1 are located at the surface between two ends and are formed along the alternatively distributed recess portion of 1 width direction of blade and protrusion, the present invention
Blade 1 there is recess portion and protrusion and non-smooth surface, the air flow method on 1 surface of blade can be changed by recess portion and protrusion,
It avoids vortex from generating, reduces the noise for interacting and generating between the air-flow separation and blade 1 and shell on 1 surface of blade, have
Effect improves the comfort level of air-conditioning.
There are many set-up modes of blade 1, it is preferred that as shown in figure 8, blade 1 has hollow cavity 11, hollow cavity 11 is used for
Heat transferring medium is accommodated, heat transferring medium is set in the hollow cavity 11 of blade 1, the work that can share evaporator in air-conditioning is negative
Lotus, thus evaporator volume can be designed it is smaller, or even cancel evaporator, while can also realize fan blade air-supply and heat exchange
Integration, the recess portion on 1 surface of blade and protrusion can also increase the heat exchange area of blade 1, improve the heat transfer effect of blade 1.
There are many generation types of recess portion and protrusion, and in some alternative embodiments, blade 1 includes at least two along the
The blades 12 that one preset path connects in succession, blades 12 extend in a first direction molding, two adjacent blades 12
Recess portion is formed between the 13b of outer surface, blades 12 itself form protrusion.
In these optional embodiments, leaf is formed by connecting multiple blades 12 in succession along the first preset path
Piece 1 can simplify the manufacture of blade 1, by change blades 12 cross sectional dimensions and two neighboring blades 12 it
Between arrangement mode or spacing, i.e., the size of changeable recess portion and protrusion.Wherein, the cross section of blades 12 refers to blades 12
Section in the width direction.
First preset path can arbitrarily be set, and for example, at least two 12 cross-section center lines of blades form camber line
Section 14, the first preset path is made of these arc segments 14.As shown in figure 9, Fig. 9 is the partial structural diagram of Fig. 8, these arcs
Line segment 14 can be single arc segment 14, i.e. R1 and R2 can be identical；Alternatively, these arc segments 14 are multistage arc segment 14, i.e.,
R1 and R2 can be different.When these arc segments 14 are not arc-shaped, the curvature of these arc segments 14 can be identical or different.
As shown in figures 7 and 9, the structure of arc segment 14 is represented by dotted lines in figure, it is to be understood that these dotted lines are not
The structure qualification of structure blade pair 1, it is only for show the shape of arc segment 14.
Two neighboring blades 12 are connected with each other by connecting bridge 13, by the connection for changing connecting bridge 13 and blades 12
The size of position and connecting bridge 13 itself is the shape of changeable recess portion and protrusion.
As shown in Figure 10, recess portion includes connecting bridge 13, the outer surface 13b of the connecting bridge 13 between two neighboring blades 12
Width is greater than inner surface 13a width, i.e. L1 >=L6, L2 >=L7, L3 >=L8, L4 >=L9, L5 >=L10.Wherein, outer surface 13b wide
Degree refers to that the development length of 13 outer surface 13b of connecting bridge, inner surface 13a width refer to that the extension of 13 inner surface 13a of connecting bridge is long
Degree.Connecting bridge 13 extends along the first preset path, and the first preset path is in camber line, and the outer surface 13b of connecting bridge 13 refers to connection
Surface of the bridge 13 outside camber line, similarly, the inner surface 13a of connecting bridge 13 refer to the surface in camber line.Connecting bridge 13
Outer surface 13b width is greater than inner surface 13a width, so that the blade 1 eventually formed by the blades 12 that connecting bridge 13 connects
Whole is in arcuation, and the bending direction of blade 1 is consistent.
It is understood that the extension width of the 13 inner surface 13a of extension width and connecting bridge of 13 outer surface 13b of connecting bridge
It is not limited here.Preferably, the outer surface 13b width of connecting bridge 13 is 0mm~1mm；And/or the inner surface of connecting bridge 13
13a width is 0mm~0.4mm, so that the size for the blade 1 that each blades 12 are formed by the connection of connecting bridge 13 is in reasonable model
Within enclosing.
At least one blades 12 has hollow cavity 11, to accommodate heat transferring medium.It is understood that all blades
12, which all have each hollow cavity 11 or at least two blades 12, has hollow cavity 11.When the hollow cavity 11 in blade 1 is
When more than two, more than two hollow cavities 11 can be interconnected or not be connected to.
The shape of hollow cavity 11 it is not limited here, the cross section of hollow cavity 11 can for triangle, circle, ellipse or
Polygon.When hollow cavity 11 is more than two, the cross-sectional shape of more than two hollow cavities 11 can be identical or different, and two
The cross sectional dimensions of a above hollow cavity 11 can also be identical or different.
It is not limited here, the cross section of blades 12 can be round, ellipse or polygon to the shape of blades 12.
Preferably, the cross section of blades 12 is circle, and convenient for the production and manufacture of blades 12, cross section is circular blades 12
Diameter be 1mm~5mm, the i.e. size of D1 value between 1mm~5mm.
As seen in figs. 7 and 11, blade 1 includes more than two blades 12, outer between more than two blades 12
Shape size can be identical or different.Preferably, by 5~10 blades 12, connection is formed a blade 1 in succession.Blades 12 it
Between can be welded to each other or connect and fix.
Another embodiment of the present invention also provides a kind of through-flow fan blade, and through-flow fan blade includes above-mentioned blade 1.
Also referring to Figure 12 to Figure 14, through-flow fan blade further include: left end cap 2, right end cap 3 and snap ring 4, snap ring 4 include
Multiple card holes 41, shape and the blade 1 of card hole 41 match, and blade 1 is threaded through in card hole 41, and the both ends of blade 1 are separately connected
On left end cap 2 and right end cap 3.Blade 1 can only be fixed between left end cap 2 and right end cap 3, be simplified by snap ring 4
The manufacturing of through-flow fan blade.
It can be using modes such as welding, riveting or screw fixations between blade 1 and left end cap 2.
Wherein, in order to save material, simplify 4 structure of snap ring, be additionally provided with through hole 42 inside snap ring 4.
Snap ring 4 can be arranged at intervals between left end cap 2 and right end cap 3 for two or more, more than two snap rings 4.It is logical
Increase snap ring 4 is crossed, can be improved the stability of relative position between blade 1 and left end cap 2 and right end cap 3.It can also change simultaneously
Become the radial distance of other components in entire axial-flow fan and air-conditioning, to achieve the effect that improve noise.
Snap ring 4 is adjustable along the lengthwise location of blade 1, and by adjusting the position of snap ring 4, it is long can to change axial-flow fan
The radial distance for spending any position and other interior components of air-conditioning on direction, to preferably improve the effect of noise.
As shown in Figure 13 and Figure 14, when snap ring 4 is three or more, spacing is formed between adjacent snap ring 4, between adjacent
Away from differ.Adjacent spacing is different, i.e. A1 ≠ A2 ≠ A3 ≠ A4, snap ring 4 is unevenly distributed axial-flow fan length direction, blocks
Spacing between ring 4 not can change the radial spacing on fan blade length direction between volute tongue etc., make an uproar to further decrease
Sound.
Relationship between snap ring 4 quantity N and the distance between left end cap 2 and right end cap 3 L meets: L/ (N+1) >=200mm.
Wherein, distance L is it is also assumed that be the length of axial-flow fan.
Property embodiment as an example, the fan blade diameter of through-flow fan blade are 98mm, the quantity of the blades 12 in blade 1
It is 6,12 shape of blades is circle, 12 diameter D of blades0=3mm, the outer surface 13b extension width L of each connecting bridge 131=L2=
L3=L4=L5=0.39mm, the inner surface 13a13a extension width L of each connecting bridge 136=L7=L8=L9=L10=0.18mm,
The center line line of blades 12 is single circular arc, i.e. the first preset path is circular arc, and arc radius is R1=12.15mm, wind
Ye overall length L=600mm, 4 quantity N=2 of snap ring.The cross section of hollow cavity 11 is circle, each blades 12 all has hollow
Chamber 11, the diameter d of hollow cavity 110=1.8mm, to through-flow fan blade of the present invention and existing through-flow fan blade contrast test air quantity with make an uproar
The horizontal through-flow fan blade of the present invention of sound can keep air quantity and existing fan blade almost the same, but noise reduction 1dBA or more.
The through-flow fan blade of the present invention of table 1 and existing through-flow fan blade compare
| Scheme | Air quantity m3/h | Noise dB (A) | Power |
| Existing through-flow fan blade | 405 | 44.3 | 27.8 |
| Through-flow fan blade of the present invention | 400 | 43.1 | 27.6 |
The hollow cavity 11 of blades 12 is full of water simultaneously, has carried out the survey of machine system water cooling ability on casing body indoors
Examination, in the case where reducing evaporation structure and reducing 1/3 or more indoor unit volume, indoor unit air quantity of the present invention is 400m3/h
When, refrigerating capacity about 2000w can satisfy the refrigeration demand of small 1P type, and increasing indoor unit air quantity can satisfy various air-conditionings
The needs of ability.
Third embodiment of the invention provides a kind of air conditioner, including above-mentioned through-flow fan blade.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (25)
1. a kind of blade (1) is used for through-flow fan blade, which is characterized in that the blade (1) includes being oppositely arranged along first direction
Two ends, the first direction are the length direction of through-flow fan blade, and the blade (1) is located at the surface between two ends
Form the recess portion being arranged alternately along the width direction of the blade (1) and protrusion.
2. blade (1) according to claim 1, which is characterized in that the blade (1) have hollow cavity (11), it is described in
Cavity (11) is for accommodating heat transferring medium.
3. blade (1) according to claim 2, which is characterized in that the blade (1) includes at least two default along first
The blades (12) that path connects in succession, the blades (12) are along the first direction elongation moulding, described in adjacent two
The recess portion is formed between the outer surface (13b) of blades (12).
4. blade (1) according to claim 3, which is characterized in that at least two blades (12) cross sections
Heart line forms arc segment (14).
5. blade (1) according to claim 4, which is characterized in that the arc segment (14) is single camber line or multistage arc
Line.
6. blade (1) according to claim 3, which is characterized in that the recess portion includes connecting bridge (13), and adjacent two
The blades (12) are connected with each other by the connecting bridge (13).
7. blade (1) according to claim 6, which is characterized in that the connecting bridge (13) has inner surface (13a) and outer
Outer surface (13b) width on surface (13b), the connecting bridge (13) between same group of adjacent blades (12) is greater than inner surface
(13a) width.
8. blade (1) according to claim 7, which is characterized in that outer surface (13b) width of the connecting bridge (13) is
0mm~1mm；And/or inner surface (13a) width of the connecting bridge (13) is 0mm~0.4mm.
9. blade (1) according to claim 3, which is characterized in that at least one described blades (12) has in described
Cavity (11).
10. blade (1) according to claim 9, each blades (12) are respectively provided with hollow cavity (11).
11. blade (1) according to claim 9, at least two blades (12) have the hollow cavity (11), institute
The hollow cavity (11) for stating blades (12) is not connected.
12. blade (1) according to claim 9, at least two blades (12) have the hollow cavity (11), until
The hollow cavity (11) of few two blades (12) is interconnected.
13. blade (1) according to claim 3, which is characterized in that the circular in cross-section of the blades (12), ellipse
Round or polygon.
14. blade (1) according to claim 13, which is characterized in that when the circular in cross-section of the blades (12),
The diameter of blades (12) cross section is 1mm~5mm.
15. blade (1) according to claim 3, which is characterized in that the outer dimension of each blades (12) is identical.
16. blade (1) according to claim 3, which is characterized in that the outer dimension of at least two blades (12)
It is different.
17. blade (1) according to claim 3, which is characterized in that the quantity of the blades (12) is 5~10.
18. blade (1) according to claim 3, which is characterized in that weld or be clamped between the blades (12) and is solid
It is fixed.
19. a kind of through-flow fan blade, including blade (1), which is characterized in that the blade (1) is any one of claim 1-18 institute
The blade (1) stated.
20. through-flow fan blade according to claim 19, which is characterized in that the through-flow fan blade further include: left end cap (2),
Right end cap (3) and snap ring (4), the snap ring (4) include multiple card holes (41), the shape of the card hole (41) and the blade
(1) match, the blade (1) is threaded through in the card hole (41), and the both ends of the blade (1) are connected to the left end
It covers on (2) and the right end cap (3).
21. through-flow fan blade according to claim 20, which is characterized in that the snap ring (4) is two or more, more than two
Snap ring (4) be arranged at intervals between the left end cap (2) and the right end cap (3).
22. through-flow fan blade according to claim 20, which is characterized in that length of the snap ring (4) along the blade (1)
Direction position is adjustable.
23. through-flow fan blade according to claim 22, which is characterized in that the snap ring (4) is three or more, adjacent institute
It states and forms spacing between snap ring (4), the adjacent spacing differs.
24. through-flow fan blade according to claim 20, the quantity N of the snap ring (4) and the left end cap (2) and the right side
Relationship meets between the distance between end cap (3) L: L/ (N+1) >=200mm.
25. a kind of air conditioner, including through-flow fan blade, which is characterized in that the through-flow fan blade is any one of claim 19-24 institute
The through-flow fan blade stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352186.1A CN109139545B (en) | 2018-11-14 | 2018-11-14 | Blade, cross-flow fan blade and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352186.1A CN109139545B (en) | 2018-11-14 | 2018-11-14 | Blade, cross-flow fan blade and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139545A true CN109139545A (en) | 2019-01-04 |
| CN109139545B CN109139545B (en) | 2024-05-03 |
Family
ID=64805931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811352186.1A Active CN109139545B (en) | 2018-11-14 | 2018-11-14 | Blade, cross-flow fan blade and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139545B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021172716A1 (en) * | 2020-02-25 | 2021-09-02 | 엘지전자 주식회사 | Cross-flow fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050260076A1 (en) * | 2004-05-18 | 2005-11-24 | Snecma Moteurs | Gas turbine blade cooling circuit having a cavity with a high aspect ratio |
| CN102812253A (en) * | 2010-03-18 | 2012-12-05 | 三菱电机株式会社 | Cross-flow Fan And Air Conditioner |
| CN208966695U (en) * | 2018-11-14 | 2019-06-11 | 珠海格力电器股份有限公司 | Blade, cross-flow fan blade and air conditioner |
-
2018
- 2018-11-14 CN CN201811352186.1A patent/CN109139545B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050260076A1 (en) * | 2004-05-18 | 2005-11-24 | Snecma Moteurs | Gas turbine blade cooling circuit having a cavity with a high aspect ratio |
| CN102812253A (en) * | 2010-03-18 | 2012-12-05 | 三菱电机株式会社 | Cross-flow Fan And Air Conditioner |
| CN208966695U (en) * | 2018-11-14 | 2019-06-11 | 珠海格力电器股份有限公司 | Blade, cross-flow fan blade and air conditioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021172716A1 (en) * | 2020-02-25 | 2021-09-02 | 엘지전자 주식회사 | Cross-flow fan |
| US20230092864A1 (en) * | 2020-02-25 | 2023-03-23 | Lg Electronics Inc. | Cross-flow fan |
| JP2023514748A (en) * | 2020-02-25 | 2023-04-07 | エルジー エレクトロニクス インコーポレイティド | Cross-flow fan |
| EP4112945A4 (en) * | 2020-02-25 | 2024-03-20 | LG Electronics, Inc. | Cross-flow fan |
| US12060895B2 (en) | 2020-02-25 | 2024-08-13 | Lg Electronics Inc. | Cross-flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109139545B (en) | 2024-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10436496B2 (en) | Indoor unit for air-conditioning apparatus | |
| KR20160100720A (en) | Scroll for air conditioner and Air conditioner having the same | |
| AU2021277760B2 (en) | Axial fan for outdoor unit of air conditioner | |
| CN110325745A (en) | Propeller fan, pressure fan and air conditioner | |
| CN208966695U (en) | Blade, cross-flow fan blade and air conditioner | |
| JP2006336935A (en) | Outdoor unit for refrigeration air conditioner | |
| CN109139545A (en) | Blade, cross-flow fan blade and air conditioner | |
| CN113280403B (en) | Fan and air conditioner | |
| CN112154290B (en) | Outdoor unit of air conditioner | |
| WO2018092783A1 (en) | Indoor unit for air conditioning device | |
| JP3544325B2 (en) | Centrifugal blower impeller and air conditioner | |
| CN209800352U (en) | Cylindrical cabinet machine and anti-condensation cross-flow fan blade thereof | |
| CN100526762C (en) | Continuous arc evaporator of wall hung air conditioner indoor unit | |
| CN210891913U (en) | Cross flow fan, heat exchange assembly and air conditioner indoor unit | |
| CN207961047U (en) | A kind of wind turbine of Wind Volume low-power consumption | |
| CN111946663A (en) | Miniature multistage formula impeller | |
| JP4423921B2 (en) | Centrifugal blower and air conditioner using the same | |
| CN100434810C (en) | Air conditioner | |
| CN105090120B (en) | Centrifugal fan assembly and air conditioning device | |
| CN219934114U (en) | Air conditioner indoor unit and air conditioner | |
| CN113007923B (en) | Heat exchanger and air conditioner with same | |
| CN217898283U (en) | Air ducting and axial fan | |
| CN209781290U (en) | Cross-flow fan blade and fan blade unit thereof | |
| CN209445501U (en) | Air conditioner | |
| KR100323507B1 (en) | Shroud in air-conditioner outdoor unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |