CN104879308B - Fan - Google Patents
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- CN104879308B CN104879308B CN201410309524.9A CN201410309524A CN104879308B CN 104879308 B CN104879308 B CN 104879308B CN 201410309524 A CN201410309524 A CN 201410309524A CN 104879308 B CN104879308 B CN 104879308B
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Abstract
The invention discloses a kind of fan, including：Inlet shell, air-out housing and blower fan, formed with air inlet in inlet shell；Air-out housing is connected with inlet shell, and air-out housing, with being connected inside inlet shell, wherein the air in air-out housing is ejected into outside air-out housing and blown out forward with being guided out the air of wind casing surroundings formed with air-out passage, air-out passage by the outer ring of air-out housing；Blower fan is located in inlet shell, and blower fan is used to the air entered in inlet shell from air inlet being delivered to air-out passage.Fan according to embodiments of the present invention, by the way that air-out passage is arranged on the outer surface of air-out housing, the air flow forward of outside greater room can be driven to produce wind from the air of air-out passage blowout, and so as to further increase the air output of fan, and it is more comfortable to dry.
Description
Technical field
The present invention relates to appliance field, more particularly, to a kind of fan.
Background technology
Pointed out in correlation technique, fan from outside it can be seen that blade in housing, when blade rotates at a high speed may to
Bring certain application risk in family.In addition, gather dust is easy on blade, and bad cleaning.It is known for inventor existing
In technology, the bladeless fan of existing dyson limited, however, the air quantity for wearing gloomy bladeless fan is small.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of fan, the fan is hidden completely by flabellum, and improves air quantity.
Fan according to embodiments of the present invention, including：Inlet shell, formed with air inlet in the inlet shell；Air-out
Housing, the air-out housing are connected with the inlet shell, and the air-out housing connects with inlet shell inside, wherein
Air in the air-out housing is ejected into described by the outer ring of the air-out housing formed with air-out passage, the air-out passage
Air-out housing is outer to guide the air of the air-out casing surroundings to blow out forward；And blower fan, the blower fan are located at the air intake
In housing, the blower fan leads to for the air entered from the air inlet in the inlet shell to be delivered into the air-out
Road.
Fan according to embodiments of the present invention, by the way that air-out passage is arranged on the outer surface of air-out housing, from air-out
The air of passage blowout can drive the air flow forward of outside greater room to produce wind, so as to further increase fan
Air output, and dry it is more comfortable.Further, since can't see flabellum outside fan, ensure that fan outward appearance aesthetic property and
Dust can be prevented, while solves the application risk that conventional fan is come due to fan high speed rotating band.
Alternatively, the internal face of the air-out passage is formed as Coanda surface.
Alternatively, on the longitudinal cross-section of the air-out housing, the outer surface of the air-out housing is along from back to front
Direction is obliquely inwardly extending.
Alternatively, with air-inlet cavity and the air channel connected with the air-inlet cavity in the inlet shell, wherein the blower fan
It is located in the air-inlet cavity, and the air inlet is formed on the air-inlet cavity, the air-out housing is located at the inlet shell
Periphery and be connected with the inlet shell, the air-out enclosure interior connects with the air channel, wherein the air-out passage shape
Into on the periphery wall in the air-out housing.
Further, there is at least one hollow bulb of front and rear insertion between the inlet shell and the air-out housing.
Further, the fan further comprises：At least one dividing plate, at least one dividing plate and described at least one
Individual hollow bulb corresponds, and the hollow bulb corresponding to each dividing plate closing.
Alternatively, the blower fan includes centrifugal wind wheel, and the air channel is snail tongue air channel, the pivot of the centrifugal wind wheel
It is concentric with the center of the inlet shell so that the wind of centrifugal wind wheel blowout enters in the snail tongue air channel.
Further, the snail tongue air channel extends from the center of the inlet shell to the air-out housing and relative to institute
State being radially offset from for inlet shell.
Or alternatively, the inlet shell is set in the vertical direction with the air-out housing.
Still optionally further, the air-out housing is two and described two air-out housings are set in the lateral direction, its
In the air-out passage of each air-out housing formed in the corresponding air-out housing away from another described air-out
On the outer surface of housing.
Alternatively, the air-out passage is formed and formed in the rear portion of the air-out housing, the internal face of the air-out passage
For Coanda surface.
Alternatively, on the longitudinal cross-section of the air-out housing, outside the correspondence air-out passage of the air-out housing
Surface is obliquely inwardly extending along direction from back to front.
Further, the fan further comprises：Connectedness, the connectedness be located at the inlet shell and it is described go out
Between crust of weathering body and the inlet shell and the air-out housing are connected, wherein the cross-sectional area of the connectedness goes out less than described in
The cross-sectional area of crust of weathering body.
Alternatively, the connectedness is hollow structure.
Alternatively, the blower fan includes centrifugal wind wheel or turbine.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of fan according to an embodiment of the invention；
Fig. 2 is the profile of the line A-A along Fig. 1；
Fig. 3 is the enlarged drawing in the B portions that Fig. 2 centre circles show；
Fig. 4 is the rearview of fan in accordance with another embodiment of the present invention；
Fig. 5 is the profile of the line C-C along Fig. 4；
Fig. 6 is the enlarged drawing in the E portions that Fig. 5 centre circles show；
Fig. 7 is the profile of the line D-D along Fig. 4；
Fig. 8 is the enlarged drawing in the F portions that Fig. 7 centre circles show；
Fig. 9 is the front view of the fan shown in Fig. 4；
Figure 10 is the schematic diagram according to the fan of further embodiment of the present invention；
Figure 11 is the front view of the fan shown in Figure 10.
Reference：
100：Fan；
1：Inlet shell；11：Air inlet；12：Hollow bulb；121：Dividing plate；
2：Air-out housing；21：Air-out passage；
22：Rear portion outer wall；221：Coanda surface；23：Anterior outer wall；
3：Blower fan；4：Connectedness.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " clockwise ", " inverse
The orientation or position relationship of the instruction such as hour hands ", " axial direction ", " radial direction ", " circumference " are to be closed based on orientation shown in the drawings or position
System, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
It to be to be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fan 100 according to embodiments of the present invention is described below with reference to Fig. 1-Figure 11.
As shown in Fig. 1, Fig. 4 and Fig. 9, fan 100 according to embodiments of the present invention, including inlet shell 1, air-out housing 2
And blower fan 3.
Formed with air inlet 11 in inlet shell 1.Air-out housing 2 is connected with inlet shell 1, and air-out housing 2 and air intake
The inside of housing 1 connects.Wherein, the periphery of air-out housing 2 is formed with air-out passage 21.Reference picture 1, Fig. 4 and Fig. 9 and combine Fig. 2,
Fig. 3 and Fig. 5-Fig. 8, inlet shell 1 and air-out housing 2 are communicated with each other, and air inlet 11 is formed in inlet shell 1, air-out passage
21 form on air-out housing 2 and are located at positioned at the rear portion of air-out housing 2, blower fan 3 in inlet shell 1, so as to which blower fan 3 can incite somebody to action
The air entered from air inlet 11 in inlet shell 1 is delivered to air-out passage 21, and air-out passage 21 is by the sky in air-out housing 2
Gas blowout is mapped to outside air-out housing 2 and blown out forward with the air being guided out around crust of weathering body 2.
When fan 100 works, outside air is entered inside inlet shell 1 from the air inlet 11 in inlet shell 1,
Quickly being rotated by blower fan 3 and the air of high speed is delivered to inside air-out housing 2, air-out housing 2 is internally formed air higher-pressure region,
The air of higher-pressure region can be sprayed at a high speed by the air-out passage 21 of air-out housing 2, and the high-speed air now sprayed drives air-out
Large quantity of air around housing 2 is blown out forward, so as to improve the air output of fan 100.
Alternatively, inlet shell 1 and air-out housing 2 can be respectively two separate parts, and individually fabricate,
Then formed by the mode such as welding or be bonded and be structure as a whole.Certainly, inlet shell 1 and air-out housing 2 can also integrally into
Type, i.e. inlet shell 1 and air-out housing 2 are that overall processing is manufactured in the fabrication process.It is appreciated that inlet shell 1
Can specifically it be processed according to actual requirement with the specific molding mode of air-out housing 2, the present invention is not particularly limited to this.
As can be seen that the generally enclosed construction of inlet shell 1 from Fig. 1, Fig. 4 and Fig. 9, the flabellum of blower fan 3 can be with
It is completely hidden in inlet shell 1, so as to improve the safety in utilization of user.
Fan 100 according to embodiments of the present invention, by the way that air-out passage 21 to be arranged on to the periphery of air-out housing 2, from going out
The air that wind passage 21 is blown out can drive the air flow forward of outside greater room to produce wind, so as to further increase
The air output of fan 100, and it is more comfortable to dry.Further, since can't see flabellum outside fan 100, ensure that outside fan 100
The aesthetic property of sight and dust can be prevented, while solve conventional fan 100 because what the high speed rotating band of fan 100 came uses wind
Danger.
According to the specific embodiment of the present invention, there is air-inlet cavity and the air channel connected with air-inlet cavity in inlet shell 1,
Wherein blower fan 3 is located in air-inlet cavity, and air inlet 11 is formed on air-inlet cavity.As shown in figure 1, air-inlet cavity is generally located at into the crust of weathering
At the center of body 1, air channel is connected to the periphery of air-inlet cavity and with being connected inside air-inlet cavity.Wherein, show in the example of fig. 1
Two air channels, two air channels are in the setting circumferentially spaced apart from one another of air-inlet cavity, and the inner in each air channel is connected with air-inlet cavity.
It is appreciated that the number in air channel can also be one, three or four etc., with preferably air-out effect.Here, it is necessary to
Illustrate, direction " interior " refers to the direction towards the center of inlet shell 1, and its opposite direction is defined as " outer ", i.e., remote
The direction at the center of inlet shell 1.
Reference picture 1, air-out housing 2 is generally circular, and air-out housing 2 is located at the periphery of inlet shell 1, and air-out housing
2 are connected with inlet shell 1, i.e., the internal perisporium of air-out housing 2 is connected with the outer end in air channel, and the inside of air-out housing 2 connects with air channel
It is logical, so as to which the air in air-inlet cavity is entered in air-out housing 2 in the presence of blower fan 3 by air channel, and going out from air-out housing 2
Wind passage 21 is sprayed, and wherein air-out passage 21 is formed on the periphery wall of air-out housing 2, because the outside of air-out housing 2 has
Bigger space, the air sprayed from air-out passage 21 can drive border mass air flow to produce wind, so as to further increase
The air output of fan 100, and the total of fan 100 is compact, and wind-force is powerful.Certainly, air-out housing 2 may be formed as
Other ring-types are such as oval ring-type, polygonal ring shape, but not limited to this.
Preferably, the internal face of air-out passage 21 is formed as Coanda surface 221, so that air is inside air-out housing 2
The air for being ejected into outside air-out housing 2 and being guided out the periphery of crust of weathering body 2 is blown out forward.As shown in Figure 3 and Fig. 2 is combined, go out the crust of weathering
One side surface of the internal perisporium towards air-out housing 2 of the rear end of the periphery wall of body 2 is formed as such as Ke's grace of Coanda surface 221
Up to curved surface to produce Coanda effect, so, the air sprayed from the port of export of air-out passage 21 can be along outside air-out housing 2
One side surface flow forward of its internal perisporium of the direction of the rear end of perisporium.Moreover, when air flows along Coanda surface 221
When, windage minimum can be reached substantially, so as to reduce the noise of fan 100, meet the low noise demand of user.Need
It is bright, " Coanda effect " be fluid (such as current or air-flow, refer here to air) by leaving original flow direction,
It is changed to the tendency of the body surface flowing with protrusion.
Further, reference picture 3, the periphery wall of air-out housing 2 include the above-mentioned rear portion outer wall with Coanda surface 221
22 and anterior outer wall 23, it is connected with each other before and after anterior outer wall 23 and rear portion outer wall 22, and anterior outer wall 23 is located at rear portion outer wall 22
Front side, wherein, on the longitudinal cross-section of anterior outer wall 23, anterior outer wall 23 prolongs along direction from back to front is inwardly angled
Stretch, such as the linear extension from back to front of anterior outer wall 23, certainly, anterior outer wall 23 can also from back to front curve such as camber line,
Wave extends, so as to which the wind blown out from air-out passage 21 can be gradually to the center of fan 100 during flow forward
Place gathers, and improves blowing comfort level.Here, it is necessary to which explanation, direction " interior " is referred to towards the central axis of inlet shell 1
Direction.
Reference picture 1 simultaneously combines Fig. 2 and Fig. 3, has at least one of front and rear insertion between inlet shell 1 and air-out housing 2
Hollow bulb 12, that is to say, that be spaced apart from each other between the periphery of inlet shell 1 and the inner circumferential of air-out housing 2 hollow to limit
Portion 12, in the transverse direction of fan 100, air-inlet cavity, air channel and hollow bulb 12 generally comprise a complete circle, and air-out passage 21 can
To be looped around at the adjacent back end of the periphery wall of air-out housing 2, the high-speed air can band so from the ejection of air-out passage 21
The air at the dynamic periphery rear portion of air-out housing 2 is blown out forward, so as to substantially increase the air output of fan 100.Certainly, air-out is led to
Road 21 can also be it is multiple, multiple air-out passages 21 can in the circumference of air-out housing 2 it is evenly-spaced distribution it is (not shown
Go out).
According to a further embodiment of the invention, fan 100 further comprises：At least one dividing plate 121, it is at least one every
Plate 121 corresponds with least one hollow bulb 12, and each dividing plate 121 closes corresponding hollow bulb 12.Such as Fig. 4-Fig. 9 institutes
Show that there are two hollow bulbs 12 between inlet shell 1 and air-out housing 2, have a dividing plate 121 in each hollow bulb 12, and
Each dividing plate 121 closes off corresponding hollow bulb 12, and when fan 100 is run, the air sprayed from air-out passage 21 can not
Through the flow forward of hollow bulb 12, and it can only be blown out forward from the periphery of air-out housing 2, so as to improve the periphery of fan 100
Air output.
Alternatively, blower fan 3 includes centrifugal wind wheel, and air channel is snail tongue air channel, pivot and the inlet shell 1 of centrifugal wind wheel
Center with one heart so that centrifugal wind wheel blowout wind enter snail tongue air channel in.As depicted in figs. 1 and 2, centrifugal wind wheel is with entering the crust of weathering
Body 1 is coaxially arranged, so that the wind of centrifugal wind wheel blowout is respectively enterd at least one snail tongue air channel.Preferably, snail tongue air channel is
Two and two snail tongue air channels it is symmetrical on the revenue centre of inlet shell 1, each snail tongue air channel connects with air-out chamber.Specifically
Ground, each snail tongue air channel extends from the center of inlet shell 1 to air-out housing 2 and being radially offset from relative to inlet shell 1, its
In, snail tongue air channel can be deviateed relative to the radial direction of rear shell along clockwise, can also be deviateed along counterclockwise.
Wherein, centrifugal wind wheel can be driven by motor and is rotatably arranged in air-inlet cavity, and centrifugal wind wheel will be by air inlet 11
It is blown into snail tongue air channel into the air in air-inlet cavity and is sprayed from the air-out passage 21 of air-out chamber.The central axis of centrifugal wind wheel
Extend along the longitudinal direction, centrifugal wind wheel includes circular discs and the blade part being located on the periphery of circular discs, and blade part includes annular
Framework and it is located in annular frame and multiple blades circumferentially, multiple blades are uniformly distributed circumferentially.Alternatively, in circle
Shape disk is provided with multiple hollow-out parts (not shown), to reduce the overall weight of centrifugal wind wheel.
A part for snail tongue air channel generally volute shape, specifically, snail tongue air channel is along from adjacent to the one of centrifugal wind wheel
The directivity curve of the one end connected with air-out housing 2 is held to extend, as shown in figure 1, the curve shape is formed generally as scroll casing shape
Shape, and one in two side walls in snail tongue air channel above has snail tongue, snail tongue is arranged on the neighbouring centrifugal wind wheel in snail tongue air channel
One end, and protrude to be formed towards the center in snail tongue air channel from a side wall, because air is flowing into the mistake of air-out chamber from air-inlet cavity
Cheng Zhonghui is by snail tongue air channel, and under the collective effect of snail tongue air channel side wall and snail tongue, the air in air-inlet cavity can pass through snail tongue
Air channel bearing of trend flowing, so as to air can with higher flow velocity enter air-out housing 2 in, in other words, when centrifugal wind wheel with
When relatively low rotational speed drives the air in air-inlet cavity to get rid of into snail tongue air channel, by the air in snail tongue air channel can also with compared with
High flow velocity enters air-inlet cavity, and air higher-pressure region is formed in air-out housing 2, and then the air of higher-pressure region is by the high speed of air-out passage 21
Spray, ensure that the air-out effect of fan 100.Thus, by setting snail tongue air channel, centrifugal wind wheel can be under relatively low rotating speed
Work, so as to reduce the requirement to centrifugal wind wheel and motor, has saved cost, and reduce noise.
Thus, the air in air-inlet cavity drives via centrifugal wind wheel and entered by snail tongue air channel in air-out housing 2, snail tongue wind
Road plays a part of guiding and gathering to the air thrown away by centrifugal wind wheel, so as to improve the air output of fan 100 and air-out
Efficiency.
According to another specific embodiment of the present invention, inlet shell 1 is set in the vertical direction with air-out housing 2.Such as
Shown in Figure 10, inlet shell 1 is located at the lower section of air-out housing 2, and inlet shell 1 is formed generally as cylindrical shape, certainly, enters the crust of weathering
Body 1 may be formed as hexahedral shape, prismatic shape or truncated conical shape etc., but not limited to this, the periphery wall of inlet shell 1
On formed with multiple air inlets 11, the evenly-spaced distribution on the perisporium of pedestal of multiple air inlets 11, such as multiple air inlets
11 can be arranged with multiple rows of multiple row.Alternatively, blower fan includes centrifugal wind wheel or turbine etc., so outside air can from it is multiple enter
Air port 11 enters in inlet shell 1 and is transported to air-out housing 2.It is appreciated that the quantity of air inlet 11, shape and cloth
The mode of putting can be according to actual requirement specific design, and the present invention is not especially limited to this.
Reference picture 10 and Figure 11, air-out housing 2 is hollow structure and is located at the top of inlet shell 1, and air-out housing 2 is preferred
For annular shape, air-out passage 21 is formed on the periphery wall of air-out housing 2, i.e. the one of the remote its center axis of air-out housing 2
On side surface, alternatively, air-out passage 21 is formed is located at air-out housing 2 at the rear portion of air-out housing 2, such as air-out passage 21
At the adjacent back end of outer surface, so as to which outside air is entered inside inlet shell 1 from the air inlet 11 in inlet shell 1
Afterwards, rotated by the high speed of blower fan 3 and the air of high speed is delivered to inside air-out housing 2, air-out housing 2 is internally formed air height
Nip, the air of higher-pressure region are sprayed at a high speed by the air-out passage 21 of air-out housing 2, and the high-speed air of ejection drives air-out housing
The large quantity of air of 2 exterior circumferentials is blown out forward, so as to improve the air output of fan 100.It is appreciated that air-out housing 2 also may be used
To be located in the bottom of inlet shell 1 or side wall (not shown).
Preferably, the internal face of air-out passage 21 is formed as Coanda surface 221, reference picture 10 and Figure 11, air-out housing 2
To be formed as such as coanda of Coanda surface 221 bent the surface of another perisporium towards air-out housing 2 of rear end of periphery wall
Face is to produce Coanda effect, and so, the air sprayed from the port of export of air-out passage 21 can be along the periphery wall of air-out housing 2
The direction of rear end its another perisporium surface flow forward.Moreover, when air flows along Coanda surface 221, substantially
Windage minimum can be reached, so as to reduce the noise of fan 100, meet the low noise demand of user.It should be noted that
" Coanda effect " is fluid (such as current or air-flow, refer here to air) by leaving original flow direction, be changed to
The tendency of the body surface flowing of protrusion.
Further, as shown in Figure 10, the periphery wall of air-out housing 2 includes the above-mentioned rear portion with Coanda surface 221
Outer wall 22 and anterior outer wall 23, it is connected with each other before and after anterior outer wall 23 and rear portion outer wall 22, and anterior outer wall 23 is located at outside rear portion
The front side of wall 22, wherein, on the longitudinal cross-section of air-out housing 2, the outer surface of the corresponding air-out passage 21 of air-out housing 2 is for example
Anterior outer wall 23 is obliquely inwardly extending along direction from back to front, such as the linear extension from back to front of anterior outer wall 23, certainly,
Anterior outer wall 23 can also from back to front curve for example camber line, wave extend, so as to from air-out passage 21 blow out wind to
Blowing comfort level can be improved during preceding flowing gradually to gathering at the center of fan 100.Here, it is necessary to explanation
It is that direction " interior " refers to the direction towards the central axis of inlet shell 1.
As shown in Figure 10 and Figure 11, fan 100 further comprises：Connectedness 4, connectedness 4 are located at inlet shell 1 and air-out
Between housing 2, and connectedness 4 connects inlet shell 1 and air-out housing 2, wherein, connectedness 4 is preferably hollow structure, and processing is simple
List and cost is low, the cross-sectional area of connectedness 4 are less than the cross-sectional area of air-out housing 2, so as to which the air in inlet shell 1 can be with
Flowed into air-out housing 2 by connectedness 4 in the presence of blower fan 3, and blown out forward from the air-out passage 21 of air-out housing 2.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (11)
- A kind of 1. fan, it is characterised in that including：Inlet shell, formed with air inlet in the inlet shell；Air-out housing, the air-out housing are connected with the inlet shell, and inside the air-out housing and the inlet shell Connection, wherein the outer ring of the air-out housing is formed with air-out passage, the air-out passage is by the air in the air-out housing It is ejected into outside the air-out housing to guide the air of the air-out casing surroundings to blow out forward；AndBlower fan, the blower fan are located in the inlet shell, and the blower fan is used to that the air intake will to be entered from the air inlet Air in housing is delivered to the air-out passage, on the longitudinal cross-section of the air-out housing, the appearance of the air-out housing Face is obliquely inwardly extending along direction from back to front, connects with air-inlet cavity and with the air-inlet cavity in the inlet shell Air channel, wherein the blower fan is located in the air-inlet cavity, and the air inlet is formed on the air-inlet cavity,The air-out housing is located at the periphery of the inlet shell and is connected with the inlet shell, the air-out enclosure interior with The air channel connection, wherein the air-out passage is formed on the periphery wall of the air-out housing, the inwall of the air-out passage Face is formed as Coanda surface.
- 2. fan according to claim 1, it is characterised in that before having between the inlet shell and the air-out housing At least one hollow bulb penetrated afterwards.
- 3. fan according to claim 2, it is characterised in that further comprise：At least one dividing plate, at least one dividing plate correspond with least one hollow bulb, and each dividing plate The hollow bulb corresponding to closing.
- 4. fan according to claim 1, it is characterised in that the blower fan includes centrifugal wind wheel, and the air channel is snail tongue Air channel, the pivot of the centrifugal wind wheel and the center of the inlet shell are concentric so that the wind of the centrifugal wind wheel blowout enters Enter in the snail tongue air channel.
- 5. fan according to claim 4, it is characterised in that the snail tongue air channel is from the center of the inlet shell to institute State the extension of air-out housing and being radially offset from relative to the inlet shell.
- 6. fan according to claim 1, it is characterised in that the inlet shell is with the air-out housing in above-below direction Upper setting.
- 7. fan according to claim 6, it is characterised in that the air-out passage is formed after the air-out housing Portion, the internal face of the air-out passage are formed as Coanda surface.
- 8. fan according to claim 7, it is characterised in that on the longitudinal cross-section of the air-out housing, the air-out The outer surface of the correspondence air-out passage of housing is obliquely inwardly extending along direction from back to front.
- 9. fan according to claim 6, it is characterised in that further comprise：Connectedness, the connectedness are located between the inlet shell and the air-out housing and connect the inlet shell and institute Air-out housing is stated, wherein the cross-sectional area of the connectedness is less than the cross-sectional area of the air-out housing.
- 10. fan according to claim 9, it is characterised in that the connectedness is hollow structure.
- 11. fan according to claim 6, it is characterised in that the blower fan includes turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309524.9A CN104879308B (en) | 2014-06-30 | 2014-06-30 | Fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309524.9A CN104879308B (en) | 2014-06-30 | 2014-06-30 | Fan |
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|---|---|
| CN104879308A CN104879308A (en) | 2015-09-02 |
| CN104879308B true CN104879308B (en) | 2018-01-30 |
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| CN201410309524.9A Active CN104879308B (en) | 2014-06-30 | 2014-06-30 | Fan |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757800B (en) * | 2016-03-28 | 2018-10-23 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN105650745B (en) * | 2016-03-28 | 2018-12-18 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
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