CN108412809A - Flow guide ring, centrifugal fan and air conditioner - Google Patents
Flow guide ring, centrifugal fan and air conditioner Download PDFInfo
- Publication number
- CN108412809A CN108412809A CN201810246675.2A CN201810246675A CN108412809A CN 108412809 A CN108412809 A CN 108412809A CN 201810246675 A CN201810246675 A CN 201810246675A CN 108412809 A CN108412809 A CN 108412809A
- Authority
- CN
- China
- Prior art keywords
- baffle liner
- water conservancy
- conservancy diversion
- cambered surface
- diversion cambered
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 89
- 230000008676 import Effects 0.000 claims description 27
- 238000005119 centrifugation Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract 1
- 230000001464 adherent effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004088 simulation Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- 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 discloses a flow guide ring, a centrifugal fan and an air conditioner, wherein the flow guide ring comprises an air inlet part and an air outlet part, the air inlet part is connected with the air outlet part, the air inlet part comprises a first flow guide cambered surface, and the air outlet part comprises a second flow guide cambered surface. The scheme of the invention can overcome the defect of uneven air inlet and air outlet of the centrifugal volute of the centrifugal fan in the prior art, and the guide ring not only comprises the first guide arc surface of the air inlet part, but also comprises the second guide arc surface of the air outlet part, and the second guide arc surface can form a convex surface on the outer edge of the inlet of the guide ring and the outlet of the guide ring due to the existence of the second guide arc surface, so that the wall-adhering surface flow of the guide ring at the outer edge of the inlet and the outlet is enhanced, and the air inlet and the air outlet of the centrifugal volute of the centrifugal fan can be even.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of baffle liner, centrifugal blower and air conditioner.
Background technology
Currently, the baffle liner that machine cooperation centrifugation blade uses in existing cabinet, the molded line in air inlet through hollow shaft face is single arc-shaped
Formula, alternatively, adding the form of straight line for single circular arc.
Existing list circular arc baffle liner, is fixed on the spiral case body of machine in cabinet.The work of existing baffle liner list circular arc
Face, only at baffle liner entrance location, can accomplish unidirectional radial shaft to wind-guiding effect；In this way, either leading
On the import outer edge of stream circle or exit, can not play the role of changing wind field, be easy to produce in the shroud position of impeller
Therefore raw vortex flow causes the air inlet of the anticentripetal spiral casing of centrifugal blower uneven, outlet air is uneven, and causes to centrifuge wind
Machine generates the surge noise of low frequency.
Invention content
It is an object of the present invention in view of the foregoing drawbacks, a kind of baffle liner, centrifugal blower and air conditioner are provided, to solve
In the prior art, the air inlet of the anticentripetal spiral casing of centrifugal blower, the non-uniform problem of outlet air.
The present invention provides a kind of baffle liner, and the baffle liner includes inlet section and outlet section, the inlet section with it is described go out
Wind portion connects, and the inlet section includes the first water conservancy diversion cambered surface, and the outlet section includes the second water conservancy diversion cambered surface.
Optionally, one end of the second water conservancy diversion cambered surface and one end of the first water conservancy diversion cambered surface are tangent, are set as points of tangency,
The other end of the second water conservancy diversion cambered surface is outlet air end.
Optionally, the second water conservancy diversion cambered surface is arc surface, and the center of circle for defining the second water conservancy diversion cambered surface is the second circle
The heart, there are angle β between the points of tangency and the line and vertical axis in second center of circle, so that second water conservancy diversion arcs
Face forms convex surface on the import outer edge of baffle liner.
Optionally, baffle liner is cut into section by plane where baffle liner central axis, and in the section, and described second
There are angle αs between the outlet air end of water conservancy diversion cambered surface and the line and horizontal axis in second center of circle, so that described second leads
It flows cambered surface and forms convex surface in the exit of the baffle liner.
Optionally, the first water conservancy diversion cambered surface is arc surface, and the radius of the first arc-shaped guide face is Ra, 70mm≤Ra≤
80mm。
Optionally, the radius Ra of the described first arc-shaped guide face is 78mm.
Optionally, the radius of the second arc-shaped guide face is Rb, 55mm≤Rb≤60mm.
Optionally, the radius Rb of the described second arc-shaped guide face is 56mm.
Optionally, the value range of the angle β between the points of tangency and the line and vertical axis in second center of circle
It is 30 °≤β≤35 °.
Optionally, the value range of the α is 20 °≤α≤30 °.
Matching with above-mentioned baffle liner, another aspect of the present invention provides a kind of centrifugal blower, including：Above-described water conservancy diversion
Circle.
Optionally, the centrifugal blower further includes impeller and anticentripetal spiral casing, and the baffle liner and the impeller are coaxial, described
Baffle liner is fixed at the import wall surface of the anticentripetal spiral casing.
Optionally, the center overlapping of axles of the central shaft of the baffle liner and anticentripetal spiral casing.
Matching with above-mentioned centrifugal blower, further aspect of the present invention provides a kind of air conditioner, including：Above-described centrifugation
Wind turbine.
The solution of the present invention, the baffle liner include inlet section and outlet section, and inlet section connects with outlet section, and inlet section
Including the first water conservancy diversion cambered surface, outlet section includes the second water conservancy diversion cambered surface；Relative to existing baffle liner, baffle liner of the invention is not only
The first water conservancy diversion cambered surface including inlet section can accomplish the wind-guiding effect of radial shaft axis, also at the entrance location of baffle liner
The second water conservancy diversion cambered surface including outlet section, due to the presence of the second water conservancy diversion cambered surface, the second water conservancy diversion cambered surface can baffle liner into
On mouthful outer edge and exit of baffle liner forms convex surface, to enhance baffle liner import outer edge and exit patch
Wall surface flows, in this way, the air inlet of the anticentripetal spiral casing of centrifugal blower, outlet air can be uniform.
Further, the solution of the present invention, one end of one end of the second water conservancy diversion cambered surface and the first water conservancy diversion cambered surface is tangent, is set as phase
The other end at point of contact, the second water conservancy diversion cambered surface is outlet air end；In this way, one end and the first water conservancy diversion arcs by the way that the second water conservancy diversion cambered surface is arranged
The tangent structure in the one end in face, the adherent surface current that can enhance baffle liner in import outer edge is dynamic, not only centrifugal blower from
The air inlet of heart spiral case can be uniform, and increases intake.
Further, the solution of the present invention, the second water conservancy diversion cambered surface are arc surface, and the center of circle for defining the second water conservancy diversion cambered surface is the
There are angle β between the line and vertical axis in two centers of circle, points of tangency and second center of circle, so that the second water conservancy diversion cambered surface is in water conservancy diversion
Convex surface is formed on the import outer edge of circle；In this way, the flowing in adherent face of the baffle liner on import outer edge is enhanced, to,
Not only the air inlet of the anticentripetal spiral casing of centrifugal blower can be uniform, but also increases the intake of baffle liner inlet.
The solution of the present invention as a result, the baffle liner include inlet section and outlet section, and inlet section connects with outlet section, and
Inlet section includes the first water conservancy diversion cambered surface, and outlet section includes the second water conservancy diversion cambered surface；Relative to existing baffle liner, water conservancy diversion of the invention
Circle includes not only the first water conservancy diversion cambered surface of inlet section can accomplish the wind-guiding of radial shaft axis at the entrance location of baffle liner
Effect, further includes the second water conservancy diversion cambered surface of outlet section, due to the presence of the second water conservancy diversion cambered surface, the second water conservancy diversion cambered surface can be in water conservancy diversion
On the import outer edge of the circle and exit of baffle liner forms convex surface, to enhance baffle liner in import outer edge and outlet
The adherent surface current at place is dynamic, in this way, the air inlet of the anticentripetal spiral casing of centrifugal blower, outlet air can be uniform.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
Fig. 1 is the sectional view of the baffle liner of the present invention；
Fig. 2 is the partial enlarged view of the baffle liner of the present invention；
Fig. 3 is the schematic view of the mounting position of the baffle liner of the present invention；
Fig. 4 is the simulation velocity polar plot of prior art list circular arc baffle liner；
Fig. 5 is the simulation velocity polar plot of the bicircular arcs baffle liner of the present invention.
In conjunction with attached drawing, reference numeral is as follows in the embodiment of the present invention：
1, baffle liner；11, the first water conservancy diversion cambered surface；12, the second water conservancy diversion cambered surface；2, impeller；3, anticentripetal spiral casing.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
According to an embodiment of the invention, a kind of baffle liner is provided, as shown in Figure 1, the section of the baffle liner for the present invention
Figure.Wherein, 1 is baffle liner, and 11 be the first water conservancy diversion cambered surface, and 12 be the second water conservancy diversion cambered surface.The baffle liner 1 includes inlet section and goes out
Wind portion, inlet section connect with outlet section, and inlet section includes the first water conservancy diversion cambered surface 11, and outlet section includes the second water conservancy diversion cambered surface 12；
Relative to existing baffle liner 1, baffle liner 1 of the invention not only includes the first water conservancy diversion cambered surface 11 of inlet section, in baffle liner 1
At entrance location, it can accomplish the wind-guiding effect of radial shaft axis, further include the second water conservancy diversion cambered surface 12 of outlet section, due to second
The presence of water conservancy diversion cambered surface 12, the second water conservancy diversion cambered surface 12 can be on the import outer edges of baffle liner 1 and the exit shape of baffle liner 1
It is dynamic to enhance adherent surface current of the baffle liner 1 in import outer edge and exit at convex surface, in this way, centrifugal blower from
The air inlet of heart spiral case 3, outlet air can be uniform.
As shown in Figure 1, one end of the second water conservancy diversion cambered surface 12 and one end of the first water conservancy diversion cambered surface 11 are tangent, are set as points of tangency,
The other end of second water conservancy diversion cambered surface 12 is outlet air end.By one end and the first water conservancy diversion cambered surface 11 that the second water conservancy diversion cambered surface 12 is arranged
The tangent structure in one end, the adherent surface current that can enhance baffle liner 1 in import outer edge is dynamic, not only improves centrifugal blower
The vortex flow of 2 shroud of impeller, and further improve the flowing of air inlet, in this way, the anticentripetal spiral casing 3 of centrifugal blower into wind energy
It is enough uniform, intake is increased, not only increases the wind-guiding ability of baffle liner 1, and the surge also reduced under the slow-speed of revolution is made an uproar
Sound.
As shown in Figure 1, the second water conservancy diversion cambered surface 12 is arc surface, and the center of circle for defining the second water conservancy diversion cambered surface 12 is the second circle
There are angle β between the line and vertical axis in the heart, points of tangency and second center of circle, so that the second water conservancy diversion cambered surface 12 is in baffle liner
Convex surface is formed on 1 import outer edge；In this way, the flowing in adherent face of the baffle liner 1 on import outer edge is enhanced, to,
Not only the air inlet of the anticentripetal spiral casing 3 of centrifugal blower can be uniform, but also increases the intake of 1 inlet of baffle liner.
As shown in Figure 1, baffle liner 1 is cut into section by plane where 1 central axis of baffle liner, and in section, second leads
There are angle αs between the outlet air end and the line and horizontal axis in second center of circle of stream cambered surface 12, so that the second water conservancy diversion cambered surface 12
Convex surface is formed in the exit of baffle liner 1；In this way, flowing of the baffle liner 1 in the adherent face in exit is enhanced, to centrifugation
The outlet air of the anticentripetal spiral casing 3 of wind turbine can be uniform, improves the wind-guiding ability of baffle liner 1, and also reduces under the slow-speed of revolution
Surge noise.
As shown in Figure 1, since the outlet of baffle liner 1 has bending into 2 import leading edge of impeller, using Coanda effect,
So that the flowing whirlpool before impeller 2 in disk area is weakened, strengthens the flowing of 2 shroud of impeller.Coanda effect refers to fluid (flow
Or air-flow) have and leave original flow direction, it is changed to the tendency flowed with the body surface of protrusion.
As shown in Fig. 2, the partial enlarged view of the baffle liner for the present invention.Wherein, 1 is baffle liner, and 11 justify for the first water conservancy diversion
Arc, 12 be the second water conservancy diversion circular arc.First water conservancy diversion cambered surface 11 is arc surface, and the radius of the first arc-shaped guide face is Ra, the first circle
The value range of the radius Ra of arc guide face is：70mm≤Ra≤80mm；The radius Ra of first arc-shaped guide face preferably takes
Value is：Ra is 78mm.The value range of the radius Rb of second arc-shaped guide face is：55mm≤Rb≤60mm；Second is arc-shaped
The preferable value of the radius Rb of guide face is：Ra is 56mm.
As shown in Fig. 2, the baffle liner 1 of the present invention includes inlet section and outlet section, inlet section connects with outlet section, and enters the wind
Portion includes the first water conservancy diversion cambered surface 11, and outlet section includes the second water conservancy diversion cambered surface 12；One end of second water conservancy diversion cambered surface 12 and the first water conservancy diversion
One end of cambered surface 11 is tangent, is set as points of tangency, and the other end of the second water conservancy diversion cambered surface 12 is outlet air end；Second water conservancy diversion cambered surface 12 is circle
Cambered surface, and the center of circle for defining the second water conservancy diversion cambered surface 12 is second center of circle, the line and vertical axis in points of tangency and second center of circle it
Between there are angle β, the value range of the angle β between points of tangency and the line and vertical axis in second center of circle to be, 30 °≤β≤
35°。
As shown in Fig. 2, baffle liner 1 is cut into section by plane where 1 central axis of baffle liner, and in section, second leads
It there are angle α, the value range of α is 20 °≤α to flow between the outlet air end and the line and horizontal axis in second center of circle of cambered surface 12
≤30°.By largely testing proof, using above-mentioned parameter, the noise total value 1.5dB of centrifugal blower can be effectively reduced
(A) -2dB (A), wherein the noise decibel size that dB (A) is used to be indicated under A grades of weighteds.According to above-mentioned test result it is found that
The structure of the baffle liner 1 of the present invention significantly reduces the surge noise under the slow-speed of revolution.
As shown in figure 3, the schematic view of the mounting position of the baffle liner for the present invention.Wherein, 1 is baffle liner, and 2 be impeller, and 3 are
Anticentripetal spiral casing.As shown in figure 3, the centrifugal blower of the present invention is other than including baffle liner 1, further include impeller 2 and anticentripetal spiral casing
3.As shown in figure 3, baffle liner 1 and impeller 2 are coaxial, baffle liner 1 is fixed at the import wall surface of anticentripetal spiral casing 3.
In practical applications, the baffle liner 1 of the present invention is being mounted at the air inlet wall surface of anticentripetal spiral casing 3, baffle liner 1
The central shaft coincidence assembling of central shaft and anticentripetal spiral casing 3.
As shown in figure 4, for the simulation velocity polar plot of prior art list circular arc baffle liner；As shown in figure 5, being of the invention
The simulation velocity polar plot of bicircular arcs baffle liner.The baffle liner 1 of the present invention is generated using the viscosity of flow curvature theorem and fluid
Coanda effect generates near the convex surface in 1 import outer edge of baffle liner and exit in baffle liner 1 as shown in Figure 5
Low pressure forms flow differential pressure power, promotes the exit either in 1 import outer edge of baffle liner or baffle liner 1, gas
Body can flow more adherently, be flowed with the gas of air inlet so as to improve in 2 shroud of impeller.As shown in Figure 4 is showed
The simulation velocity polar plot for having technology list circular arc baffle liner, the emulation speed with the bicircular arcs baffle liner of the present invention as shown in Figure 5
Degree polar plot compares and analyzes.By comparative analysis：In flowing B area, the flowing of gas can be seen that entrance stream
Move under the action of the Coanda effect on 1 outer edge convex surface of baffle liner, entrance flowing can completely close to 1 wall surface of baffle liner equably
Full of 2 import of impeller, the intake of 1 inlet of baffle liner is improved；Meanwhile in the a-quadrant of impeller 2, since baffle liner 1 exports
With the bending into 2 import leading edge of impeller, so that the flowing whirlpool before impeller 2 in disk area is weakened, strengthen 2 shroud of impeller
Flowing.
Technical solution using the present invention, the baffle liner 1 include inlet section and outlet section, inlet section and outlet section phase
It connects, and inlet section includes the first water conservancy diversion cambered surface 11, outlet section includes the second water conservancy diversion cambered surface 12；Relative to existing baffle liner 1, originally
The baffle liner 1 of invention includes not only the first water conservancy diversion cambered surface 11 of inlet section can accomplish diameter at the entrance location of baffle liner 1
It is acted on to the wind-guiding of shaft axis, further includes the second water conservancy diversion cambered surface 12 of outlet section, due to the presence of the second water conservancy diversion cambered surface 12, second
Water conservancy diversion cambered surface 12 can form convex surface on the import outer edge of baffle liner 1 with the exit of baffle liner 1, to enhance water conservancy diversion
Adherent surface current of the circle 1 in import outer edge and exit is dynamic, in this way, the air inlet of the anticentripetal spiral casing 3 of centrifugal blower, the equal energy of outlet air
It is enough uniform.
Further, the solution of the present invention, one end of one end of the second water conservancy diversion cambered surface 12 and the first water conservancy diversion cambered surface 11 is tangent, sets
The other end for points of tangency, the second water conservancy diversion cambered surface 12 is outlet air end；In this way, one end and the by the way that the second water conservancy diversion cambered surface 12 is arranged
The tangent structure in one end of one water conservancy diversion cambered surface 11, the adherent surface current that can enhance baffle liner 1 in import outer edge is dynamic, not only from
The air inlet of the anticentripetal spiral casing 3 of heart wind turbine can be uniform, and increases intake.
Further, the solution of the present invention, the second water conservancy diversion cambered surface 12 is arc surface, and defines the center of circle of the second water conservancy diversion cambered surface 12
For second center of circle, there are angle β between points of tangency and the line and vertical axis in second center of circle, so that the second water conservancy diversion cambered surface 12
Convex surface is formed on the import outer edge of baffle liner 1；In this way, enhancing the stream in adherent face of the baffle liner 1 on import outer edge
It is dynamic, to which not only the air inlet of the anticentripetal spiral casing 3 of centrifugal blower can be uniform, but also increases the air inlet of 1 inlet of baffle liner
Amount.
According to an embodiment of the invention, a kind of centrifugal blower corresponding to baffle liner 1 is additionally provided.The centrifugal blower packet
It includes：Above-described baffle liner 1.
As shown in figure 3, the centrifugal blower of the present invention is other than including baffle liner 1, further include impeller 2 and anticentripetal spiral casing 3.
Baffle liner 1 and impeller 2 are coaxial, and baffle liner 1 is fixed at the import wall surface of anticentripetal spiral casing 3, wherein the central shaft of baffle liner 1 with
The central shaft coincidence assembling of anticentripetal spiral casing 3.
The centrifugal blower of the present invention, due to including the baffle liner 1 of the present invention, in this way, the centrifugal blower of the present invention, not only
The air inlet of the anticentripetal spiral casing 3 of centrifugal blower can be uniform, increases the intake of 1 inlet of baffle liner, moreover, strengthening impeller
The outlet air of the flowing of 2 shrouds, the anticentripetal spiral casing 3 of centrifugal blower also can be uniform, reduces the surge noise under the slow-speed of revolution.
According to an embodiment of the invention, a kind of air conditioner corresponding to centrifugal blower is additionally provided.The air conditioner includes：With
The upper centrifugal blower.
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.
Example the above is only the implementation of the present invention is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (14)
1. a kind of baffle liner, which is characterized in that including inlet section and outlet section, the inlet section connects with the outlet section, and
The inlet section includes the first water conservancy diversion cambered surface (11), and the outlet section includes the second water conservancy diversion cambered surface (12).
2. baffle liner as described in claim 1, which is characterized in that
One end of the second water conservancy diversion cambered surface (12) and one end of the first water conservancy diversion cambered surface (11) are tangent, are set as points of tangency, institute
The other end for stating the second water conservancy diversion cambered surface (12) is outlet air end.
3. baffle liner as claimed in claim 2, which is characterized in that
The second water conservancy diversion cambered surface (12) is arc surface, and the center of circle for defining the second water conservancy diversion cambered surface (12) is second center of circle,
There are angle β between the points of tangency and the line and vertical axis in second center of circle, so that the second water conservancy diversion cambered surface
(12) convex surface is formed on the import outer edge of baffle liner.
4. baffle liner as claimed in claim 3, which is characterized in that
Baffle liner is cut into section by plane where baffle liner central axis, and in the section, the second water conservancy diversion cambered surface
(12) there are angle αs between outlet air end and the line and horizontal axis in second center of circle, so that second water conservancy diversion arcs
Face (12) forms convex surface in the exit of the baffle liner.
5. baffle liner as described in claim 1, which is characterized in that the first water conservancy diversion cambered surface (11) is arc surface, the first circle
The radius of arc guide face is Ra, 70mm≤Ra≤80mm.
6. baffle liner as claimed in claim 5, which is characterized in that
The radius Ra of the first arc-shaped guide face is 78mm.
7. baffle liner as claimed in claim 3, which is characterized in that
The radius of second arc-shaped guide face is Rb, 55mm≤Rb≤60mm.
8. baffle liner as claimed in claim 7, which is characterized in that
The radius Rb of the second arc-shaped guide face is 56mm.
9. baffle liner as claimed in claim 3, which is characterized in that
The value range of angle β between the points of tangency and the line and vertical axis in second center of circle is, 30 °≤β≤
35°。
10. baffle liner as claimed in claim 4, which is characterized in that
The value range of the α is 20 °≤α≤30 °.
11. a kind of centrifugal blower, including baffle liner (1), which is characterized in that the baffle liner (1) is according to claims 1 to 10
Any one of described in baffle liner (1).
12. centrifugal blower as claimed in claim 11, which is characterized in that the centrifugal blower further includes impeller (2) and centrifugation
Spiral case (3), the baffle liner (1) and the impeller (2) coaxially, the baffle liner (1) be fixed on the anticentripetal spiral casing (3) into
At mouth wall surface.
13. centrifugal blower as claimed in claim 12, which is characterized in that
The center overlapping of axles of the central shaft and the anticentripetal spiral casing (3) of the baffle liner (1).
14. a kind of air conditioner, including centrifugal blower, which is characterized in that the centrifugal blower is according in claim 11 to 13
Any one of them centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810246675.2A CN108412809B (en) | 2018-03-23 | 2018-03-23 | Flow guide ring, centrifugal fan and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810246675.2A CN108412809B (en) | 2018-03-23 | 2018-03-23 | Flow guide ring, centrifugal fan and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108412809A true CN108412809A (en) | 2018-08-17 |
| CN108412809B CN108412809B (en) | 2024-04-12 |
Family
ID=63133456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810246675.2A Active CN108412809B (en) | 2018-03-23 | 2018-03-23 | Flow guide ring, centrifugal fan and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412809B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595033A (en) * | 2019-08-21 | 2019-12-20 | 珠海格力电器股份有限公司 | Guide ring, fan assembly with guide ring and air conditioner with guide ring |
| CN112833048A (en) * | 2020-12-30 | 2021-05-25 | 广东美的白色家电技术创新中心有限公司 | Volute, fan and cigarette machine |
| WO2021147497A1 (en) * | 2020-01-20 | 2021-07-29 | 珠海格力电器股份有限公司 | Flow guide device, fan assembly, and electric appliance |
| CN113891622A (en) * | 2021-09-28 | 2022-01-04 | 珠海格力电器股份有限公司 | Air outlet device and air conditioner with same |
| CN114962336A (en) * | 2022-04-15 | 2022-08-30 | 祁华意 | A ventilation unit for environmental protection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060034686A1 (en) * | 2004-08-11 | 2006-02-16 | Smiley William A Iii | Fan inlet and housing for a centrifugal blower whose impeller has forward curved fan blades |
| JP2013057298A (en) * | 2011-09-08 | 2013-03-28 | Daikin Industries Ltd | Blower |
| CN107503958A (en) * | 2017-09-22 | 2017-12-22 | 杭州德意电器股份有限公司 | A kind of centrifugal blower fan system for range hood |
| CN208057515U (en) * | 2018-03-23 | 2018-11-06 | 珠海格力电器股份有限公司 | Flow guide ring, centrifugal fan and air conditioner |
-
2018
- 2018-03-23 CN CN201810246675.2A patent/CN108412809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060034686A1 (en) * | 2004-08-11 | 2006-02-16 | Smiley William A Iii | Fan inlet and housing for a centrifugal blower whose impeller has forward curved fan blades |
| JP2013057298A (en) * | 2011-09-08 | 2013-03-28 | Daikin Industries Ltd | Blower |
| CN107503958A (en) * | 2017-09-22 | 2017-12-22 | 杭州德意电器股份有限公司 | A kind of centrifugal blower fan system for range hood |
| CN208057515U (en) * | 2018-03-23 | 2018-11-06 | 珠海格力电器股份有限公司 | Flow guide ring, centrifugal fan and air conditioner |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595033A (en) * | 2019-08-21 | 2019-12-20 | 珠海格力电器股份有限公司 | Guide ring, fan assembly with guide ring and air conditioner with guide ring |
| WO2021147497A1 (en) * | 2020-01-20 | 2021-07-29 | 珠海格力电器股份有限公司 | Flow guide device, fan assembly, and electric appliance |
| CN112833048A (en) * | 2020-12-30 | 2021-05-25 | 广东美的白色家电技术创新中心有限公司 | Volute, fan and cigarette machine |
| CN113891622A (en) * | 2021-09-28 | 2022-01-04 | 珠海格力电器股份有限公司 | Air outlet device and air conditioner with same |
| CN113891622B (en) * | 2021-09-28 | 2022-11-01 | 珠海格力电器股份有限公司 | Air outlet device, control method and air conditioner |
| CN114962336A (en) * | 2022-04-15 | 2022-08-30 | 祁华意 | A ventilation unit for environmental protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108412809B (en) | 2024-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108412809A (en) | Flow guide ring, centrifugal fan and air conditioner | |
| AU2007209185B2 (en) | Improved impeller and fan | |
| CN108252949A (en) | Mixed flow wind wheel and flow-mixing blower fan | |
| CN110374900A (en) | A kind of flow-mixing blower fan with sinusoidal pattern meridional channel | |
| CN105697394A (en) | Micro-miniature efficient outlet flow field distortionless centrifugal fan | |
| CN113309736A (en) | Blade, impeller, centrifugal fan, range hood and blade design method | |
| CN109162961A (en) | Centrifugal fan blade | |
| CN105756993A (en) | Unequal-distance centrifugal fan and dehumidifier | |
| CN108953222B (en) | Centrifugal impeller | |
| CN208057515U (en) | Flow guide ring, centrifugal fan and air conditioner | |
| CN108005953B (en) | Multi-wing centrifugal fan blade | |
| CN108005956A (en) | A kind of volute structure used for automobile air conditioning | |
| CN103185030A (en) | Oblique-flow centrifugal impeller for air conditioner | |
| CN215293004U (en) | Blade, impeller, centrifugal fan and range hood | |
| CN216447178U (en) | Backward centrifugal fan | |
| CN113738695B (en) | High-performance centrifugal impeller with parabolic front edge blades for breathing machine | |
| CN214661053U (en) | Flow guide type axial flow wind wheel and axial flow fan with same | |
| CN205977816U (en) | Flow guide ring, centrifugal fan and air conditioner | |
| CN213953981U (en) | Integrated centrifugal fan | |
| CN114718904A (en) | Pneumatic structure, compressor, dust catcher | |
| CN212868009U (en) | Impeller and bladeless fan | |
| CN111577653B (en) | Centrifugal fan | |
| CN209704915U (en) | Centrifugal fan blade, courtyard machine and air conditioning system with same | |
| CN205401248U (en) | Tooth -like transmission centrifugal compressor diffuser | |
| CN112303004A (en) | Mixed flow fan blade, air duct structure and air conditioner indoor 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 |