CN205937215U - Fan and through -flow fan blade thereof - Google Patents
Fan and through -flow fan blade thereof Download PDFInfo
- Publication number
- CN205937215U CN205937215U CN201620908146.0U CN201620908146U CN205937215U CN 205937215 U CN205937215 U CN 205937215U CN 201620908146 U CN201620908146 U CN 201620908146U CN 205937215 U CN205937215 U CN 205937215U
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- CN
- China
- Prior art keywords
- fan blade
- flow fan
- channelling
- dividing plate
- flow
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a fan and through -flow fan blade thereof, through -flow fan blade include fan blade body (1), still including set up in among the inside hollow structure of fan blade body (1), be used for the axial to cut apart the preventing of inside hollow structure channelling baffle (2). The utility model provides a through -flow fan blade prevents the channelling baffle through setting up among the inside hollow structure at the fan blade body, reached the effect that inside hollow structure is cut apart to the axial. Even under the uneven condition of the axial position's in the through -flow fan blade pressure, the air current produces axial displacement and flows along inside hollow structure, the air current meet prevent the channelling baffle after, also can suspend the channelling of air current to compelled relevant position from the fan blade body throws away, and then has avoided the condition of air current axial float, has guaranteed that the same axial position's of fan blade body air output is unanimous basically with the intake, has effectively reduced the vibration of through -flow fan blade, has improved the energy efficiency ratio.
Description
Technical field
The utility model is related to technical field of blowing, particularly to a kind of blower fan and its through-flow fan blade.
Background technology
Through-flow fan blade is due to, the features such as its noise is little and air-out is big, being widely used on hanging outdoor unit and part cabinet-type air conditioner.Pass through
The blade of stream fan blade is along the axially arranged of through-flow fan blade so that through-flow fan blade has hollow structure inside.
But, because the axial length of through-flow fan blade is longer, the air-flow flowing to through-flow fan blade is easily along along through-flow fan blade
Portion's hollow structure axial direction channelling.Especially fan inlet by local stoppages or air intake bad in the state of, due to axial location
Pressure is different, and air-flow channelling can be very serious.Said flow axial float, easily causes the vibration of through-flow fan blade, and Energy Efficiency Ratio is relatively
Low.
Therefore, how to reduce through-flow fan blade vibration, improve Energy Efficiency Ratio, be those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the utility model provides a kind of through-flow fan blade, reduces through-flow fan blade vibration, improves Energy Efficiency Ratio.This
Utility model additionally provides a kind of blower fan with above-mentioned through-flow fan blade.
For achieving the above object, the utility model provides following technical scheme：
A kind of through-flow fan blade, including fan blade body, also includes in the hollow structure inside be arranged at described fan blade body, uses
In the anti-channelling dividing plate axially splitting described hollow structure inside.
Preferably, in above-mentioned through-flow fan blade, described anti-channelling divider upright is in the axis of described fan blade body.
Preferably, in above-mentioned through-flow fan blade, the quantity of described anti-channelling dividing plate is multiple.
Preferably, in above-mentioned through-flow fan blade, multiple described anti-channelling dividing plates are uniformly distributed along the axial direction of described fan blade body.
Preferably, in above-mentioned through-flow fan blade, between two neighboring described anti-channelling dividing plate, form venturi runner.
Preferably, in above-mentioned through-flow fan blade, the end face of described anti-channelling dividing plate has convex globoidal region.
Preferably, in above-mentioned through-flow fan blade, the dead in line of the center line in described convex globoidal region and described fan blade body.
Preferably, in above-mentioned through-flow fan blade, the end face of described anti-channelling dividing plate also has positioned at described convex globoidal region
The plane domain at edge, described plane domain extends to the edge of described anti-channelling dividing plate.
Preferably, in above-mentioned through-flow fan blade, Ra ＜ Rb-1.1L；
Wherein, Ra is the radius in described convex globoidal region；
Rb is the radius of described fan blade body；
L is the chord length of described fan blade body blade.
Preferably, in above-mentioned through-flow fan blade, described convex globoidal region extends to the edge of described anti-channelling dividing plate.
Preferably, in above-mentioned through-flow fan blade, described fan blade body is made up of multiple median segment of cross-flow fan blades.
Preferably, in above-mentioned through-flow fan blade, described anti-channelling dividing plate is located at the company of two neighboring described median segment of cross-flow fan blade
Meet place.
The utility model additionally provides a kind of blower fan, and including through-flow fan blade, described through-flow fan blade is as any of the above-described institute
The through-flow fan blade stated.
It can be seen from above-mentioned technical scheme that, the through-flow fan blade that the utility model provides, by fan blade body
Anti- channelling dividing plate is set in portion's hollow structure, has reached the effect of axial segmentation hollow structure inside.Even if in through-flow fan blade
Axial location pressure inequality in the case of, air-flow produce axial movement and along hollow structure inside flowing, run in air-flow
After anti-channelling dividing plate, also can interrupt the channelling of air-flow, and be forced to throw away from the relevant position of fan blade body, and then avoid air-flow
The situation of axial float, it is ensured that the air output of the same axial location of fan blade body is basically identical with intake, effectively reduces
The vibration of through-flow fan blade, improves Energy Efficiency Ratio.
The utility model additionally provides a kind of blower fan with above-mentioned through-flow fan blade, due to above-mentioned through-flow fan blade have above-mentioned
Technique effect, the blower fan with above-mentioned through-flow fan blade also should have same technique effect, and here is no longer tired one by one to be stated.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the through-flow fan blade that Fig. 1 provides for the utility model embodiment；
Fig. 2 removes the structural representation of fan blade body for the through-flow fan blade that the utility model embodiment provides；
The air current flow schematic diagram of the through-flow fan blade that Fig. 3 provides for the utility model embodiment；
The first structural representation of the anti-channelling dividing plate that Fig. 4 provides for the utility model embodiment；
The second structural representation of the anti-channelling dividing plate that Fig. 5 provides for the utility model embodiment；
The schematic side view of the through-flow fan blade that Fig. 6 provides for the utility model embodiment.
Specific embodiment
The utility model discloses a kind of through-flow fan blade, reduce through-flow fan blade vibration, improve Energy Efficiency Ratio.The utility model is also
Provide a kind of blower fan with above-mentioned through-flow fan blade.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of the utility model protection.
As shown in Figures 1 and 2, the utility model provides a kind of through-flow fan blade, including fan blade body 1 and anti-channelling dividing plate
2.Anti- channelling dividing plate 2 is arranged in the hollow structure inside of fan blade body 1, and, anti-channelling dividing plate 2 is used for axially splitting inside
Hollow structure.
The through-flow fan blade that the utility model embodiment provides, anti-by arranging in the hollow structure inside of fan blade body 1
Channelling dividing plate 2, has reached the effect of axial segmentation hollow structure inside.Even if the pressure of the axial location in through-flow fan blade is not
In the case of all, air-flow produces axial movement and flows along hollow structure inside, after air-flow runs into anti-channelling dividing plate 2, also can
Interrupt the channelling of air-flow, and be forced to throw away from the relevant position of fan blade body 1, and then avoid the situation of air-flow axial float,
Ensure that the air output of the same axial location of fan blade body 1 is basically identical with intake, effectively reduce the vibration of through-flow fan blade,
Improve Energy Efficiency Ratio.
Further, anti-channelling dividing plate 2 is perpendicular to the axis of fan blade body 1.By above-mentioned setting, it is to avoid anti-channelling every
Plate 2 is to the obstruction of through-flow fan blade air-out and air intake it is ensured that air-supply effect.
In the present embodiment, the quantity of anti-channelling dividing plate 2 is multiple.By arranging multiple anti-channelling dividing plates 2, keep away further
Exempt from the situation of air-flow axial float.
Preferably, multiple anti-channelling dividing plates 2 are uniformly distributed along the axial direction of fan blade body 1.By above-mentioned setting, by fan blade basis
The hollow structure inside of body 1 is divided into multiple hollow bulbs, further avoid the situation of air-flow axial float.
As shown in figure 3, forming venturi runner 3 between two neighboring anti-channelling dividing plate 2.Venturi runner 3 has drainage
And increase the effect of air quantity.External air flow by venturi runner 3 first section a enter venturi runner 3 after, free air space away from
From being gradually reduced, according to fluid continuity equation, reduce along journey section, flow velocity necessarily increases；In venturi runner 3 second section
At the b of face, flow velocity reaches maximum, and then flow area is gradually increased, and flow velocity decreases, and the 3rd section by venturi runner 3
C flows out.Air-flow, during flowing through the second section b by the first section a, can produce certain negative pressure near the first section a,
Peripheral gas flow is participated in flowing and entering the first section a of air-flow by pressure differential, thus having reached the purpose increasing flow.Experiment
Prove, form venturi runner 3 by making two neighboring anti-channelling dividing plate 2, rate of discharge increased 20～25%.
In the present embodiment, the end face of anti-channelling dividing plate 2 has convex globoidal region.By by the end face of anti-channelling dividing plate 2
There is convex globoidal region, in order to form venturi runner 3 between two neighboring anti-channelling dividing plate 2, and, air-flow is along convex arc
Move in face, free air space is gradually reduced apart from continuity, and then reduces air current flow energy consumption.Anti- channelling dividing plate 2 can also be made
End face there is taper surface region.
Further, the dead in line of the center line in convex globoidal region and fan blade body 1.By above-mentioned setting so that literary composition
In mound, runner 3 forms symmetrical structure, in order to the stabilization to air intake and air-out for the venturi runner 3.As shown in figure 3, passing through
Above-mentioned setting, the first section a is identical with the 3rd section c.By above-mentioned setting so that convex globoidal region is located at anti-channelling dividing plate
2 mid portion.
Further, the end face of anti-channelling dividing plate 2 also has the plane domain at the edge positioned at convex globoidal region, plane
Region extends to the edge of anti-channelling dividing plate 2.That is, the two ends of venturi runner 3 are by the plane of two neighboring anti-channelling dividing plate 2
The direct current section that region is formed, the air-flow in order to make outflow venturi runner 3 linearly flows out under direct current section guiding.
As shown in Fig. 4 and Fig. 6, in the present embodiment, Ra ＜ Rb-1.1L；Wherein, Ra is the radius in convex globoidal region；Rb
Radius for fan blade body 1；L is the chord length of fan blade body 1 blade.By above-mentioned setting so that plane domain is along anti-channelling
Thickness H >=the Rb-Ra-L of the radial direction of dividing plate 2, in order to the connection of anti-channelling dividing plate 2 and the entity part of fan blade body 1.That is, H
＞ 0.1L is it is ensured that the water conservancy diversion effect of above-mentioned direct current section.
As shown in figure 5, in second embodiment, convex globoidal region extends to the edge of anti-channelling dividing plate 2.Facilitate anti-
The processing of channelling dividing plate 2.
Can also be in the edge's setting corrugated surface positioned at convex globoidal region or cambered surface region, corrugated surface or cambered surface region are prolonged
Extend the edge of anti-channelling dividing plate 2.
As shown in figure 1, fan blade body 1 is made up of multiple median segment of cross-flow fan blades.Wherein, median segment of cross-flow fan blade is along fan blade body
1 axial direction arrangement.
For the ease of the setting of anti-channelling dividing plate 2, anti-channelling dividing plate 2 is located at the connection of two neighboring median segment of cross-flow fan blade
Place.
The utility model additionally provides a kind of blower fan, and including through-flow fan blade, through-flow fan blade is as any one through-flow wind above-mentioned
Leaf.Because above-mentioned through-flow fan blade has above-mentioned technique effect, the blower fan with above-mentioned through-flow fan blade also should have same technology
Effect, here is no longer discussed in detail and all within protection domain.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (13)
1. a kind of through-flow fan blade, including fan blade body (1) it is characterised in that also including being arranged at the interior of described fan blade body (1)
In portion's hollow structure, for axially splitting the anti-channelling dividing plate (2) of described hollow structure inside.
2. through-flow fan blade as claimed in claim 1 is it is characterised in that described anti-channelling dividing plate (2) is perpendicular to described fan blade basis
The axis of body (1).
3. through-flow fan blade as claimed in claim 1 is it is characterised in that the quantity of described anti-channelling dividing plate (2) is multiple.
4. through-flow fan blade as claimed in claim 3 is it is characterised in that multiple described anti-channelling dividing plate (2) is along described fan blade basis
The axial direction of body (1) is uniformly distributed.
5. through-flow fan blade as claimed in claim 3 is it is characterised in that form between two neighboring described anti-channelling dividing plate (2)
Venturi runner (3).
6. through-flow fan blade as claimed in claim 5 is it is characterised in that the end face of described anti-channelling dividing plate (2) has convex globoidal
Region.
7. through-flow fan blade as claimed in claim 6 it is characterised in that the center line in described convex globoidal region and described fan blade this
The dead in line of body (1).
8. through-flow fan blade as claimed in claims 6 or 7 is it is characterised in that the end face of described anti-channelling dividing plate (2) also has position
In the plane domain at the edge in described convex globoidal region, described plane domain extends to the edge of described anti-channelling dividing plate (2).
9. through-flow fan blade as claimed in claim 8 is it is characterised in that Ra ＜ Rb-1.1L；
Wherein, Ra is the radius in described convex globoidal region；
Rb is the radius of described fan blade body (1)；
L is the chord length of described fan blade body (1) blade.
10. through-flow fan blade as claimed in claims 6 or 7 is it is characterised in that described convex globoidal region extends to described anti-channelling
The edge of dividing plate (2).
11. through-flow fan blades as described in any one of claim 1-7 are it is characterised in that described fan blade body (1) is by multiple through-flows
Section composition in fan blade.
12. through-flow fan blades as claimed in claim 11 are it is characterised in that described anti-channelling dividing plate (2) is located at two neighboring institute
State the junction of median segment of cross-flow fan blade.
A kind of 13. blower fans, including through-flow fan blade it is characterised in that described through-flow fan blade is as any one of claim 1-12 institute
The through-flow fan blade stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908146.0U CN205937215U (en) | 2016-08-18 | 2016-08-18 | Fan and through -flow fan blade thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908146.0U CN205937215U (en) | 2016-08-18 | 2016-08-18 | Fan and through -flow fan blade thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937215U true CN205937215U (en) | 2017-02-08 |
Family
ID=57948097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620908146.0U Withdrawn - After Issue CN205937215U (en) | 2016-08-18 | 2016-08-18 | Fan and through -flow fan blade thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089800A (en) * | 2016-08-18 | 2016-11-09 | 珠海格力电器股份有限公司 | Blower fan and through-flow fan blade thereof |
-
2016
- 2016-08-18 CN CN201620908146.0U patent/CN205937215U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089800A (en) * | 2016-08-18 | 2016-11-09 | 珠海格力电器股份有限公司 | Blower fan and through-flow fan blade thereof |
| CN106089800B (en) * | 2016-08-18 | 2019-10-22 | 珠海格力电器股份有限公司 | Blower and its through-flow fan blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20191022 |
|
| AV01 | Patent right actively abandoned |