CN104879308A - Fan - Google Patents
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- CN104879308A CN104879308A CN201410309524.9A CN201410309524A CN104879308A CN 104879308 A CN104879308 A CN 104879308A CN 201410309524 A CN201410309524 A CN 201410309524A CN 104879308 A CN104879308 A CN 104879308A
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Abstract
The invention discloses a fan which comprises an air inlet shell, an air outlet shell and a fan motor. Air inlets are formed in the air inlet shell. The air outlet shell is connected with the air inlet shell. The air outlet shell is communicated with the interior of the air inlet shell. An air outlet passage is formed on the outer ring of the air outlet shell. The air outlet passage jets air in the air outlet shell outside the air outlet shell to guide the air around the air outlet shell to blow out forwardly. The fan motor is disposed in the air inlet shell and used for conveying air entering the air inlet shell from the air outlet passage. The fan has the advantages that the air outlet passage is arranged on the outer surface of the air outlet shell, so that the air blown out from the air outlet passage can drive the air in large external space to flow forwardly to generate winds, fan wind amount is further increased, and the winds are comfortable.
Description
Technical field
The present invention relates to appliance field, especially relate to a kind of fan.
Background technique
Point out in correlation technique, fan can see the blade in housing from outside, may bring certain application risk during blade High Rotation Speed to user.In addition, blade is easy to assemble dust, and bad cleaning.In prior art known for inventor, existing Dai Sen company without blade fan, but, wear the gloomy air quantity without blade fan little.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of fan, and described fan is completely hiding by flabellum, and improves air quantity.
According to the fan of the embodiment of the present invention, comprising: inlet shell, described inlet shell is formed with intake grill; Air-out housing, described air-out housing is connected with described inlet shell, and described air-out housing is communicated with described inlet shell inside, the outer ring of wherein said air-out housing is formed with air-out passage, and it is outer to guide the air of described air-out casing surroundings to blow out forward that the air in described air-out housing is ejected into described air-out housing by described air-out passage; And blower fan, described blower fan is located in described inlet shell, and described blower fan is used for being delivered to described air-out passage by from the described intake grill air entered in described inlet shell.
According to the fan of the embodiment of the present invention, by air-out passage being 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, thus further increase the air output of fan, and blowing is more comfortable.In addition, owing to can't see flabellum in fan outside, ensure that the aesthetic property of fan outward appearance and can dust be prevented, solving the application risk that conventional fan is brought due to fan High Rotation Speed simultaneously.
Alternatively, the internal face of described air-out passage is formed as Coanda surface.
Alternatively, on the longitudinal cross-section of described air-out housing, the outer surface of described air-out housing tilts to extend internally along direction from back to front.
Alternatively, the air channel that there is in described inlet shell air-inlet cavity and be communicated with described air-inlet cavity, wherein said blower fan is located in described air-inlet cavity, and described intake grill is formed on described air-inlet cavity, described air-out housing is located at the periphery of described inlet shell and is connected with described inlet shell, described air-out enclosure interior is communicated with described air channel, and wherein said air-out passage is formed on the periphery wall of described air-out housing.
Further, there is between described inlet shell and described air-out housing at least one through hollow portion of front and back.
Further, described fan comprises further: at least one dividing plate, at least one dividing plate described and at least one hollow portion one_to_one corresponding described, and corresponding described hollow portion closed by each described dividing plate.
Alternatively, described blower fan comprises centrifugal wind wheel, and described air channel is snail tongue air channel, and the rotating center of described centrifugal wind wheel and the centres of described inlet shell enter in described snail tongue air channel with the wind making described centrifugal wind wheel and blow out.
Further, described snail tongue air channel extends from the center of described inlet shell to described air-out housing and departs from relative to the radial direction of described inlet shell.
Or alternatively, described inlet shell and described air-out housing are arranged in the vertical direction.
Further alternatively, described air-out housing is two and described two air-out housings are arranged in the lateral direction, and wherein the described air-out passage of each described air-out housing is formed on the outer surface away from air-out housing described in another of corresponding described air-out housing.
Alternatively, described air-out passage is formed in the rear portion of described air-out housing, and the internal face of described air-out passage is formed as Coanda surface.
Alternatively, on the longitudinal cross-section of described air-out housing, the outer surface of the described air-out passage of correspondence of described air-out housing tilts to extend internally along direction from back to front.
Further, described fan comprises further: connectedness, described connectedness to be located between described inlet shell and described air-out housing and to be communicated with described inlet shell and described air-out housing, and the cross-section area of wherein said connectedness is less than the cross-section area of described air-out housing.
Alternatively, described connectedness is hollow structure.
Alternatively, described blower fan comprises centrifugal wind wheel or turbine.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of fan according to an embodiment of the invention;
Fig. 2 is the sectional drawing along A-A line in Fig. 1;
Fig. 3 is the enlarged view in the B portion that Fig. 2 centre circle shows;
Fig. 4 is the rear view of fan in accordance with another embodiment of the present invention;
Fig. 5 is the sectional drawing along C-C line in Fig. 4;
Fig. 6 is the enlarged view in the E portion that Fig. 5 centre circle shows;
Fig. 7 is the sectional drawing along D-D line in Fig. 4;
Fig. 8 is the enlarged view in the F portion that Fig. 7 centre circle shows;
Fig. 9 is the front view of the fan shown in Fig. 4;
Figure 10 is the schematic diagram of the fan according to another embodiment of the present invention;
Figure 11 is the front view of the fan shown in Figure 10.
Reference character:
100: fan;
1: inlet shell; 11: intake grill; 12: hollow portion; 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
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Figure 11, the fan 100 according to the embodiment of the present invention is described.
As shown in Fig. 1, Fig. 4 and Fig. 9, according to the fan 100 of the embodiment of the present invention, comprise inlet shell 1, air-out housing 2 and blower fan 3.
Inlet shell 1 is formed with intake grill 11.Air-out housing 2 is connected with inlet shell 1, and air-out housing 2 is communicated with inlet shell 1 inside.Wherein, the periphery of air-out housing 2 is formed with air-out passage 21.With reference to Fig. 1, Fig. 4 and Fig. 9 composition graphs 2, Fig. 3 and Fig. 5-Fig. 8, inlet shell 1 and air-out housing 2 communicate with each other, intake grill 11 is formed in inlet shell 1, air-out passage 21 to be formed on air-out housing 2 and to be positioned at the rear portion of air-out housing 2, blower fan 3 is located in inlet shell 1, thus blower fan 3 can be delivered to air-out passage 21 by from intake grill 11 air entered in inlet shell 1, the air in air-out housing 2 is ejected into outside air-out housing 2 and blows out forward to be guided out crust of weathering body 2 ambient air by air-out passage 21.
When fan 100 works, it is inner that outside air enters into inlet shell 1 from the intake grill 11 inlet shell 1, by blower fan 3 fast rotational, air is at a high speed delivered to air-out housing 2 inner, air-out housing 2 inside forms air zone of high pressure, the air of zone of high pressure can by the ejection at a high speed of the air-out passage 21 of air-out housing 2, the high-speed air now sprayed drives the large quantity of air around air-out housing 2 to blow out forward, thus improves the air output of fan 100.
Alternatively, inlet shell 1 and air-out housing 2 can be respectively two separate parts, and individually manufacturing, then to be formed as one structure by welding or the mode such as bonding.Certainly, inlet shell 1 and air-out housing 2 can also be one-body molded, and namely inlet shell 1 and air-out housing 2 are that overall processing manufacture is shaping in the fabrication process.Be appreciated that the concrete molding mode of inlet shell 1 and air-out housing 2 specifically can be processed according to actual requirement, the present invention does not make particular determination to this.
As can be seen from Fig. 1, Fig. 4 and Fig. 9, inlet shell 1 is roughly an enclosed construction, and the flabellum of blower fan 3 can be hidden in inlet shell 1 completely, thus improves the safety in utilization of user.
According to the fan 100 of the embodiment of the present invention, by air-out passage 21 being arranged on the periphery of air-out housing 2, the air blown out from air-out passage 21 can drive the air flow forward of outside greater room to produce wind, thus further increases the air output of fan 100, and blowing is more comfortable.In addition, owing to can't see flabellum in fan 100 outside, ensure that the aesthetic property of fan 100 outward appearance and can dust be prevented, solving the application risk that conventional fan 100 is brought due to fan 100 High Rotation Speed simultaneously.
According to a specific embodiment of the present invention, the air channel having air-inlet cavity in inlet shell 1 and be communicated with air-inlet cavity, wherein blower fan 3 is located in air-inlet cavity, and intake grill 11 is formed on air-inlet cavity.As shown in Figure 1, air-inlet cavity is positioned at the center of inlet shell 1 substantially, and air channel is connected to the periphery of air-inlet cavity and is communicated with air-inlet cavity inside.Wherein, show two air channels in the example of fig. 1, two air channels are spaced apart from each other setting in the circumference of air-inlet cavity, and the inner in each air channel is connected with air-inlet cavity.Be appreciated that the number in air channel can also be one, three or four etc., to have air-out effect better.Here, it should be noted that, direction " interior " refers to towards the direction at inlet shell 1 center, and its opposite direction is defined as " outward ", namely away from the direction at inlet shell 1 center.
With reference to Fig. 1, air-out housing 2 is roughly circular, air-out housing 2 is located at the periphery of inlet shell 1, and air-out housing 2 is connected with inlet shell 1, namely the inner circle wall of air-out housing 2 is connected with the outer end in air channel, and air-out housing 2 inside is communicated with air channel, thus the air in air-inlet cavity enters in air-out housing 2 by air channel under the effect of blower fan 3, and spray from the air-out passage 21 of air-out housing 2, wherein air-out passage 21 is formed on the periphery wall of air-out housing 2, outside due to air-out housing 2 has larger space, the air sprayed from air-out passage 21 can drive border mass air flow to produce wind, thus further increase the air output of fan 100, and the total of fan 100 is compact, wind-force is powerful.Certainly, air-out housing 2 can also be formed as other ring-type such as oval ring-type, polygonal ring shape etc., but is not limited thereto.
Preferably, the internal face of air-out passage 21 is formed as Coanda surface 221, with make air from air-out housing 2 internal spray to air-out housing 2 and the air being guided out crust of weathering body 2 periphery blow out forward.As shown in Figure 3 and composition graphs 2, one side surface of the inner circle wall towards air-out housing 2 of the rear end of the periphery wall of air-out housing 2 is formed as Coanda surface 221 such as coanda curved surface to produce Coanda effect, like this, the air sprayed from the outlet end of air-out passage 21 can along the side surface flow forward towards its inner circle wall of the rear end of air-out housing 2 periphery wall.And, when air flows along Coanda surface 221, substantially can reach windage minimum, thus reduce the noise of fan 100, meet the low noise demand of user.It should be noted that, " Coanda effect " be fluid (such as current or air-flow, refer to air here) by leaving original flow direction, change into along with protrude body surface flowing tendency.
Further, with reference to Fig. 3, the periphery wall of air-out housing 2 comprises above-mentioned rear portion outer wall 22 and the anterior outer wall 23 with Coanda surface 221, be connected with each other before and after anterior outer wall 23 and rear portion outer wall 22, and anterior outer wall 23 is positioned at the front side of rear portion outer wall 22, wherein, on the longitudinal cross-section of anterior outer wall 23, anterior outer wall 23 tilts to extend internally along direction from back to front, such as anterior outer wall 23 straight line extension from back to front, certainly, anterior outer wall 23 can also curve such as camber line from back to front, wave extends, thus can gather to the center of fan 100 gradually the process of flow forward from the wind that air-out passage 21 blows out, improve blowing comfort level.Here, it should be noted that, direction " interior " refers to towards the direction of inlet shell 1 central axis.
With reference to Fig. 1 composition graphs 2 and Fig. 3, at least one hollow portion 12 through before and after having between inlet shell 1 and air-out housing 2, that is, be spaced apart from each other to limit hollow portion 12 between the periphery of inlet shell 1 and the inner circumferential of air-out housing 2, at fan 100 transversely, air-inlet cavity, air channel and hollow portion 12 roughly form a complete circle, air-out passage 21 can be looped around the adjacent back end place of the periphery wall of air-out housing 2, the high-speed air sprayed from air-out passage 21 so just can drive the air at rear portion, air-out housing 2 periphery to blow out forward, thus substantially increase the air output of fan 100.Certainly, air-out passage 21 can also be multiple, and multiple air-out passage 21 can open distribution (scheming not shown) by uniform intervals in the circumference of air-out housing 2.
According to a further embodiment of the invention, fan 100 comprises further: at least one dividing plate 121, at least one dividing plate 121 and at least one hollow portion 12 one_to_one corresponding, and corresponding hollow portion 12 closed by each dividing plate 121.As shown in Fig. 4-Fig. 9, there are between inlet shell 1 and air-out housing 2 two hollow portions 12, a dividing plate 121 is all had in each hollow portion 12, and each dividing plate 121 closes corresponding hollow portion 12 respectively, when fan 100 runs, the air sprayed from air-out passage 21 can not pass hollow portion 12 flow forward, and can only blow out forward from the periphery of air-out housing 2, thus improves the air output of fan 100 periphery.
Alternatively, blower fan 3 comprises centrifugal wind wheel, and air channel is snail tongue air channel, and the rotating center of centrifugal wind wheel and the centres of inlet shell 1 enter in snail tongue air channel with the wind making centrifugal wind wheel and blow out.As depicted in figs. 1 and 2, centrifugal wind wheel and inlet shell 1 coaxially arranged, the wind blown out to make centrifugal wind wheel enters at least one snail tongue air channel respectively.Preferably, snail tongue air channel is two and two snail tongue air channels are symmetrical about the revenue centre of inlet shell 1, and each snail tongue air channel is all communicated with air-out chamber.Particularly, each snail tongue air channel extends from the center of inlet shell 1 to air-out housing 2 and departs from relative to the radial direction of inlet shell 1, and wherein, snail tongue air channel can along departing from clockwise relative to the radial direction of back cover, also can along departing from counterclockwise.
Wherein, centrifugal wind wheel can be driven by motor and be located in air-inlet cavity rotationally, and the air entered in air-inlet cavity by intake grill 11 is blown in snail tongue air channel and from the air-out passage 21 in air-out chamber and sprays by centrifugal wind wheel.The central axis of centrifugal wind wheel extends along the longitudinal direction, centrifugal wind wheel comprises circular discs and is located at the blade part on the periphery of circular discs, blade part comprises annular frame and to be located in annular frame and multiple blades circumferentially, and multiple blade is uniformly distributed circumferentially.Alternatively, circular discs is provided with multiple hollow part (scheming not shown), to reduce the overall weight of centrifugal wind wheel.
Snail tongue air channel is roughly a part for volute shape, particularly, snail tongue air channel extends along the directivity curve from one end of contiguous centrifugal wind wheel to the one end be communicated with air-out housing 2, as shown in Figure 1, this curve shape is formed as volute shape substantially, and in two sidewalls in snail tongue air channel one has snail tongue, snail tongue is arranged on one end of the contiguous centrifugal wind wheel in snail tongue air channel, and protrude formation from a sidewall towards the center in snail tongue air channel, because air can by snail tongue air channel in the process flowing into air-out chamber from air-inlet cavity, under the acting in conjunction of snail tongue air channel sidewall and snail tongue, air in air-inlet cavity can be flowed by the bearing of trend in snail tongue air channel, thus air can enter with higher flow velocity in air-out housing 2, in other words, when centrifugal wind wheel drives the air in air-inlet cavity to get rid of into snail tongue air channel with lower rotational speed, also air-inlet cavity can be entered with higher flow velocity by the air in snail tongue air channel, air zone of high pressure is formed in air-out housing 2, then the air of zone of high pressure is by air-out passage 21 ejection at a high speed, ensure that the air-out effect of fan 100.Thus, by arranging snail tongue air channel, centrifugal wind wheel can work under lower rotating speed, thus reduces the requirement to centrifugal wind wheel and motor, has saved cost, and has reduced noise.
Thus, the air in air-inlet cavity drives via centrifugal wind wheel and enters in air-out housing 2 by snail tongue air channel, and the effect guiding and gather is played in snail tongue air channel to the air thrown away by centrifugal wind wheel, thus improves air output and the air-out efficiency of fan 100.
According to another specific embodiment of the present invention, inlet shell 1 and air-out housing 2 are arranged in the vertical direction.As shown in Figure 10, inlet shell 1 is positioned at the below of air-out housing 2, inlet shell 1 is formed as cylindrical shape substantially, certainly, inlet shell 1 can also be formed as hexahedral shape, prismatic shape or truncated conical shape etc., but is not limited thereto, and the periphery wall of inlet shell 1 is formed with multiple intake grill 11, multiple intake grill 11 uniform intervals on the perisporium of pedestal opens distribution, and such as multiple intake grill 11 can be arranged multiple row more and arrange.Alternatively, blower fan comprises centrifugal wind wheel or turbine etc., and air outside like this can enter in inlet shell 1 from multiple intake grill 11 and be transported to air-out housing 2.Be appreciated that the quantity of intake grill 11, shape and arrangement can according to actual requirement specific designs, the present invention does not do concrete restriction to this.
With reference to Figure 10 and Figure 11, air-out housing 2 is hollow structure and is located at the top of inlet shell 1, air-out housing 2 is preferably circular, air-out passage 21 is formed on the periphery wall of air-out housing 2, namely the side away from its central axis of air-out housing 2 on the surface, alternatively, air-out passage 21 is formed in the rear portion of air-out housing 2, such as air-out passage 21 is located at the adjacent back end place of the outer surface of air-out housing 2, thus the air of outside enters into behind inlet shell 1 inside from the intake grill 11 inlet shell 1, by the High Rotation Speed of blower fan 3, air is at a high speed delivered to air-out housing 2 inner, air-out housing 2 inside forms air zone of high pressure, the air of zone of high pressure is sprayed at a high speed by the air-out passage 21 of air-out housing 2, the high-speed air of ejection drives the large quantity of air of air-out housing 2 exterior circumferential to blow out forward, thus improve the air output of fan 100.Be appreciated that and the bottom that air-out housing 2 also can be located at inlet shell 1 or sidewall (are schemed not shown).
Preferably, the internal face of air-out passage 21 is formed as Coanda surface 221, with reference to Figure 10 and Figure 11, the surface of another perisporium towards air-out housing 2 of the rear end of the periphery wall of air-out housing 2 is formed as Coanda surface 221 such as coanda curved surface to produce Coanda effect, like this, the air sprayed from the outlet end of air-out passage 21 can along the surperficial flow forward towards its another perisporium of the rear end of air-out housing 2 periphery wall.And, when air flows along Coanda surface 221, substantially can reach windage minimum, thus reduce the noise of fan 100, meet the low noise demand of user.It should be noted that, " Coanda effect " be fluid (such as current or air-flow, refer to air here) by leaving original flow direction, change into along with protrude body surface flowing tendency.
Further, as shown in Figure 10, the periphery wall of air-out housing 2 comprises above-mentioned rear portion outer wall 22 and the anterior outer wall 23 with Coanda surface 221, be connected with each other before and after anterior outer wall 23 and rear portion outer wall 22, and anterior outer wall 23 is positioned at the front side of rear portion outer wall 22, wherein, on the longitudinal cross-section of air-out housing 2, the outer surface such as anterior outer wall 23 of the corresponding air-out passage 21 of air-out housing 2 tilts to extend internally along direction from back to front, such as anterior outer wall 23 straight line extension from back to front, certainly, anterior outer wall 23 can also curve such as camber line from back to front, wave extends, thus can gather to the center of fan 100 gradually the process of flow forward from the wind that air-out passage 21 blows out, improve blowing comfort level.Here, it should be noted that, direction " interior " refers to towards the direction of inlet shell 1 central axis.
As shown in Figure 10 and Figure 11, fan 100 comprises further: connectedness 4, connectedness 4 is located between inlet shell 1 and air-out housing 2, and connectedness 4 is communicated with inlet shell 1 and air-out housing 2, wherein, connectedness 4 is preferably hollow structure, processing is simple and cost is low, the cross-section area of connectedness 4 is less than the cross-section area of air-out housing 2, thus the air in inlet shell 1 can be flowed in air-out housing 2 by connectedness 4 under the effect of blower fan 3, and blow out forward from the air-out passage 21 of air-out housing 2.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (14)
1. a fan, is characterized in that, comprising:
Inlet shell, described inlet shell is formed with intake grill;
Air-out housing, described air-out housing is connected with described inlet shell, and described air-out housing is communicated with described inlet shell inside, the outer ring of wherein said air-out housing is formed with air-out passage, and it is outer to guide the air of described air-out casing surroundings to blow out forward that the air in described air-out housing is ejected into described air-out housing by described air-out passage; And
Blower fan, described blower fan is located in described inlet shell, and described blower fan is used for being delivered to described air-out passage by from the described intake grill air entered in described inlet shell.
2. fan according to claim 1, is characterized in that, the internal face of described air-out passage is formed as Coanda surface.
3. fan according to claim 1, is characterized in that, on the longitudinal cross-section of described air-out housing, the outer surface of described air-out housing tilts to extend internally along direction from back to front.
4. the fan according to any one of claim 1-3, is characterized in that, the air channel having air-inlet cavity in described inlet shell and be communicated with described air-inlet cavity, and wherein said blower fan is located in described air-inlet cavity, and described intake grill is formed on described air-inlet cavity,
Described air-out housing is located at the periphery of described inlet shell and is connected with described inlet shell, and described air-out enclosure interior is communicated with described air channel, and wherein said air-out passage is formed on the periphery wall of described air-out housing.
5. fan according to claim 4, is characterized in that, at least one hollow portion through before and after having between described inlet shell and described air-out housing.
6. fan according to claim 5, is characterized in that, comprises further:
At least one dividing plate, at least one dividing plate described and at least one hollow portion one_to_one corresponding described, and corresponding described hollow portion closed by each described dividing plate.
7. fan according to claim 4, it is characterized in that, described blower fan comprises centrifugal wind wheel, and described air channel is snail tongue air channel, and the rotating center of described centrifugal wind wheel and the centres of described inlet shell enter in described snail tongue air channel with the wind making described centrifugal wind wheel and blow out.
8. fan according to claim 7, is characterized in that, described snail tongue air channel extends from the center of described inlet shell to described air-out housing and departs from relative to the radial direction of described inlet shell.
9. the fan according to any one of claim 1-3, is characterized in that, described inlet shell and described air-out housing are arranged in the vertical direction.
10. fan according to claim 9, is characterized in that, described air-out passage is formed in the rear portion of described air-out housing, and the internal face of described air-out passage is formed as Coanda surface.
11. fans according to claim 10, is characterized in that, on the longitudinal cross-section of described air-out housing, the outer surface of the described air-out passage of correspondence of described air-out housing tilts to extend internally along direction from back to front.
12. fans according to claim 9, is characterized in that, comprise further:
Connectedness, described connectedness to be located between described inlet shell and described air-out housing and to be communicated with described inlet shell and described air-out housing, and the cross-section area of wherein said connectedness is less than the cross-section area of described air-out housing.
13. fans according to claim 12, is characterized in that, described connectedness is hollow structure.
14. fans according to claim 9, is characterized in that, described blower fan comprises centrifugal wind wheel or turbine.
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| CN201410309524.9A CN104879308B (en) | 2014-06-30 | 2014-06-30 | Fan |
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| CN201410309524.9A CN104879308B (en) | 2014-06-30 | 2014-06-30 | Fan |
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| CN105757800A (en) * | 2016-03-28 | 2016-07-13 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| RU2630443C1 (en) * | 2016-05-23 | 2017-09-07 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Unit of bladeless fan for evacuation of gas-pollution emission from industrial units |
| CN107543272A (en) * | 2016-06-24 | 2018-01-05 | 珠海格力电器股份有限公司 | Two-side air inlet type bladeless fan |
| CN107906598A (en) * | 2017-10-31 | 2018-04-13 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN108072107A (en) * | 2017-10-31 | 2018-05-25 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN105650745B (en) * | 2016-03-28 | 2018-12-18 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN109793452A (en) * | 2019-03-22 | 2019-05-24 | 杭州艾克电器有限公司 | Tap type drying device |
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| CN105757800A (en) * | 2016-03-28 | 2016-07-13 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| 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 |
| RU2630443C1 (en) * | 2016-05-23 | 2017-09-07 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Unit of bladeless fan for evacuation of gas-pollution emission from industrial units |
| CN107543272A (en) * | 2016-06-24 | 2018-01-05 | 珠海格力电器股份有限公司 | Two-side air inlet type bladeless fan |
| CN107906598A (en) * | 2017-10-31 | 2018-04-13 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
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| CN109793452A (en) * | 2019-03-22 | 2019-05-24 | 杭州艾克电器有限公司 | Tap type drying device |
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