CN208057515U - Flow guide ring, centrifugal fan and air conditioner - Google Patents
Flow guide ring, centrifugal fan and air conditioner Download PDFInfo
- Publication number
- CN208057515U CN208057515U CN201820403406.8U CN201820403406U CN208057515U CN 208057515 U CN208057515 U CN 208057515U CN 201820403406 U CN201820403406 U CN 201820403406U CN 208057515 U CN208057515 U CN 208057515U
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- baffle liner
- water conservancy
- conservancy diversion
- cambered surface
- diversion cambered
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 230000008676 import Effects 0.000 claims abstract description 30
- 238000005119 centrifugation Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract 1
- 230000001464 adherent effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000004088 simulation Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model discloses a water conservancy diversion circle, centrifugal fan and air conditioner, wherein, the water conservancy diversion circle includes air inlet portion and air-out portion, and air inlet portion meets with air-out portion, and air inlet portion includes first water conservancy diversion cambered surface, and air-out portion includes second water conservancy diversion cambered surface. The utility model discloses a scheme can overcome prior art, centrifugal fan's centrifugal spiral case's air inlet, the inhomogeneous defect of air-out, because the water conservancy diversion circle not only includes the first water conservancy diversion cambered surface of air inlet portion, still include the second water conservancy diversion cambered surface of air-out portion, because the existence of second water conservancy diversion cambered surface, second water conservancy diversion cambered surface can form the convex surface with the exit of water conservancy diversion circle on the import outward flange of water conservancy diversion circle, thereby strengthened the wall surface flow of water conservancy diversion circle in import outer edge and exit, like this, centrifugal fan's centrifugal spiral case's air inlet, the air-out homoenergetic is even.
Description
Technical field
The utility model belongs to air-conditioning technical field, 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.
Utility model content
The purpose of this utility model is that in view of the foregoing drawbacks, a kind of baffle liner, centrifugal blower and air conditioner are provided, with
It solves in the prior art, the air inlet of the anticentripetal spiral casing of centrifugal blower, the non-uniform problem of outlet air.
The utility model provides a kind of baffle liner, and the baffle liner includes inlet section and outlet section, the inlet section and institute
It states outlet section to connect, and the inlet section includes the first water conservancy diversion cambered surface, 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, on the other hand the utility model provides a kind of centrifugal blower, including：It is above-described
Baffle liner.
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, the utility model another further aspect provides a kind of air conditioner, including：It is above-described
Centrifugal blower.
The embodiment of the utility model, the baffle liner include inlet section and outlet section, and inlet section connects with outlet section, and into
Wind portion includes the first water conservancy diversion cambered surface, and outlet section includes the second water conservancy diversion cambered surface；Relative to existing baffle liner, the utility model is led
Stream circle includes not only the first water conservancy diversion cambered surface of inlet section can accomplish leading for radial shaft axis at the entrance location of baffle liner
Wind acts on, and 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 led
It flows on the import outer edge of circle and the exit of baffle liner forms convex surface, to enhance baffle liner in import outer edge and go out
Adherent surface current at mouthful is dynamic, in this way, the air inlet of the anticentripetal spiral casing of centrifugal blower, outlet air can be uniform.
Further, the embodiment of the utility model, one end of one end of the second water conservancy diversion cambered surface and the first water conservancy diversion cambered surface is tangent, sets
The other end for points of tangency, the second water conservancy diversion cambered surface is outlet air end；In this way, being led with first by one end that the second water conservancy diversion cambered surface is arranged
The tangent structure in one end of cambered surface is flowed, the adherent surface current that can enhance baffle liner in import outer edge is dynamic, not only centrifugal blower
The air inlet of anticentripetal spiral casing can be uniform, and increase intake.
Further, the embodiment of the utility model, the second water conservancy diversion cambered surface is arc surface, and defines the center of circle of the second water conservancy diversion cambered surface
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 exists
Convex surface is formed on the import outer edge of baffle liner；In this way, the flowing in adherent face of the baffle liner on import outer edge is enhanced, from
And not only the air inlet of the anticentripetal spiral casing of centrifugal blower can be uniform, but also increase the intake of baffle liner inlet.
The embodiment of the utility model as a result, the baffle liner 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, outlet section includes the second water conservancy diversion cambered surface；Relative to existing baffle liner, this practicality
Novel baffle liner not only includes the first water conservancy diversion cambered surface of inlet section, at the entrance location of baffle liner, can accomplish radial turn
The wind-guiding of axis acts on, and 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
Convex surface can be formed with the exit of baffle liner on the import outer edge of baffle liner, to enhance baffle liner outside import
The adherent surface current at edge and exit 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 utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the sectional view of the baffle liner of the utility model；
Fig. 2 is the partial enlarged view of the baffle liner of the utility model；
Fig. 3 is the schematic view of the mounting position of the baffle liner of the utility model；
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 utility model.
In conjunction with attached drawing, reference numeral is as follows in the utility model embodiment：
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
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
Only it is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to the utility model
The range of protection.
Embodiment according to the present utility model provides a kind of baffle liner, as shown in Figure 1, for the water conservancy diversion of the utility model
The sectional view of circle.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 include into
Wind portion and outlet section, 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, the baffle liner 1 of the utility model not only includes the first water conservancy diversion cambered surface 11 of inlet section,
At the entrance location of baffle liner 1, it can accomplish the wind-guiding effect of radial shaft axis, further include the second water conservancy diversion cambered surface of outlet section
12, due to the presence of the second water conservancy diversion cambered surface 12, the second water conservancy diversion cambered surface 12 can be on the import outer edge of baffle liner 1 and baffle liner
1 exit forms convex surface, dynamic to enhance adherent surface current of the baffle liner 1 in import outer edge and exit, in this way, from
The air inlet of the anticentripetal spiral casing 3 of heart wind turbine, 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 utility model.Wherein, 1 is baffle liner, and 11 lead for first
Circular arc is flowed, 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
The value range of the radius Ra of one arc-shaped guide face is：70mm≤Ra≤80mm；The radius Ra of first arc-shaped guide face compared with
Good value is：Ra is 78mm.The value range of the radius Rb of second arc-shaped guide face is：55mm≤Rb≤60mm；Second circle
The preferable value of the radius Rb of arc guide face is：Ra is 56mm.
As shown in Fig. 2, the baffle liner 1 of the utility model includes inlet section and outlet section, inlet section connects 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；One end and first of second water conservancy diversion cambered surface 12
One end of water conservancy diversion 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
The center of circle for arc surface, and the second water conservancy diversion cambered surface 12 of definition is second center of circle, the line and vertical axes of points of tangency and second center of circle
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 between line is, 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 utility model 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 utility model.Wherein, 1 is baffle liner, and 2 be leaf
Wheel, 3 be anticentripetal spiral casing.As shown in figure 3, the centrifugal blower of the utility model other than including baffle liner 1, further includes impeller 2
With 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 utility model is being mounted at the air inlet wall surface of anticentripetal spiral casing 3, water conservancy diversion
The central shaft coincidence assembling of the central shaft and anticentripetal spiral casing 3 of circle 1.
As shown in figure 4, for the simulation velocity polar plot of prior art list circular arc baffle liner；As shown in figure 5, new for this practicality
The simulation velocity polar plot of the bicircular arcs baffle liner of type.The baffle liner 1 of the utility model utilizes flow curvature theorem and fluid
Viscosity produces Coanda effect, in baffle liner 1 as shown in Figure 5, on the convex surface of 1 import outer edge and exit of baffle liner
It nearby produces low pressure, forms flow differential pressure power, promote either going out in 1 import outer edge of baffle liner or baffle liner 1
At mouthful, gas can flow more adherently, be flowed with the gas of air inlet so as to improve in 2 shroud of impeller.It will be such as Fig. 4 institutes
The simulation velocity polar plot of the prior art list circular arc baffle liner shown, the bicircular arcs water conservancy diversion with the utility model as shown in Figure 5
The simulation velocity polar plot of circle compares and analyzes.By comparative analysis：In flowing B area, the flowing of gas can be with
Find out, entrance flows under the action of the Coanda effect on 1 outer edge convex surface of baffle liner, and entrance flowing can be completely close to baffle liner
1 wall surface is equably full of 2 import of impeller, improves the intake of 1 inlet of baffle liner；Meanwhile in the a-quadrant of impeller 2, due to
The flowing whirlpool that baffle liner 1 exports before making impeller 2 with the bending into 2 import leading edge of impeller in disk area weakens, and strengthens
The flowing of 2 shroud of impeller.
Using the technical solution of the utility model, the baffle liner 1 includes inlet section and outlet section, inlet section and outlet section
Connect, 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,
The baffle liner 1 of the utility model includes not only the first water conservancy diversion cambered surface 11 of inlet section can at the entrance location of baffle liner 1
The wind-guiding effect for accomplishing radial shaft axis, further includes the second water conservancy diversion cambered surface 12 of outlet section, due to depositing for the second water conservancy diversion cambered surface 12
, the second water conservancy diversion cambered surface 12 can be on the import outer edge of baffle liner 1 and the exit of baffle liner 1 forms convex surface, to increase
Strong adherent surface current of the baffle liner 1 in import outer edge and exit is dynamic, in this way, the air inlet of the anticentripetal spiral casing 3 of centrifugal blower,
Outlet air can be uniform.
Further, the embodiment of the utility model, one end phase of one end of the second water conservancy diversion cambered surface 12 and the first water conservancy diversion cambered surface 11
It cuts, be set as points of tangency, the other end of the second water conservancy diversion cambered surface 12 is outlet air end；In this way, by being arranged the one of the second water conservancy diversion cambered surface 12
The end structure tangent with one end of the first water conservancy diversion cambered surface 11, the adherent surface current that can enhance baffle liner 1 in import outer edge is dynamic,
Not only the air inlet of the anticentripetal spiral casing 3 of centrifugal blower can be uniform, but also increases intake.
Further, the embodiment of the utility model, the second water conservancy diversion cambered surface 12 is arc surface, and defines the second water conservancy diversion cambered surface 12
The center of circle is second center of circle, and 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 arcs
Face 12 forms convex surface on the import outer edge of baffle liner 1；In this way, enhancing adherent face of the baffle liner 1 on import outer edge
Flowing, to, not only the air inlet of the anticentripetal spiral casing 3 of centrifugal blower can be uniform, but also increase 1 inlet of baffle liner into
Air quantity.
Embodiment according to the present utility model additionally provides a kind of centrifugal blower corresponding to baffle liner 1.The centrifugal blower
Including：Above-described baffle liner 1.
As shown in figure 3, the centrifugal blower of the utility model other than including baffle liner 1, further includes impeller 2 and centrifugation snail
Shell 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 center of baffle liner 1
The central shaft coincidence assembling of axis and anticentripetal spiral casing 3.
The centrifugal blower of the utility model, due to including the baffle liner 1 of the utility model, in this way, the utility model
Centrifugal blower, 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, and
And the flowing of 2 shroud of impeller is strengthened, the outlet air of the anticentripetal spiral casing 3 of centrifugal blower also can be uniform, reduces under the slow-speed of revolution
Surge noise.
Embodiment according to the present utility model additionally provides a kind of air conditioner corresponding to centrifugal blower.The air conditioner packet
It includes：Above-described 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.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the right of the utility model.
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 |
|---|---|---|---|
| CN201820403406.8U CN208057515U (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 |
|---|---|---|---|
| CN201820403406.8U CN208057515U (en) | 2018-03-23 | 2018-03-23 | Flow guide ring, centrifugal fan and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057515U true CN208057515U (en) | 2018-11-06 |
Family
ID=63989904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820403406.8U Active CN208057515U (en) | 2018-03-23 | 2018-03-23 | Flow guide ring, centrifugal fan and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412809A (en) * | 2018-03-23 | 2018-08-17 | 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 CN201820403406.8U patent/CN208057515U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412809A (en) * | 2018-03-23 | 2018-08-17 | 珠海格力电器股份有限公司 | Flow guide ring, centrifugal fan and air conditioner |
| CN108412809B (en) * | 2018-03-23 | 2024-04-12 | 珠海格力电器股份有限公司 | Flow guide ring, centrifugal fan and air conditioner |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |