CN204900286U - Axial fan and air conditioner who has it - Google Patents
Axial fan and air conditioner who has it Download PDFInfo
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- CN204900286U CN204900286U CN201520551089.0U CN201520551089U CN204900286U CN 204900286 U CN204900286 U CN 204900286U CN 201520551089 U CN201520551089 U CN 201520551089U CN 204900286 U CN204900286 U CN 204900286U
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Abstract
The utility model discloses an axial fan and air conditioner who has it, axial fan includes: casing and the first order movable vane wheel of establishing in the casing and arrange in proper order on the flow direction of wind, the quiet impeller of the first order, second level movable vane wheel and the quiet impeller in the second level, wherein, the clearance h1 between the inner wall of first order movable vane wheel and casing satisfies: 0.01L1 <= h1 <= 0.02L1, wherein, L1 is the blade length of first order movable vane wheel, and the clearance h2 between the inner wall of second level movable vane wheel and casing satisfies: 0.01L2 <= h2 <= 0.02L2, wherein, L2 is the blade length of second level movable vane wheel. According to the utility model discloses an axial fan can improve axial fan's the total head and the distance of supplying air effectively, and owing to the clearance between the inner wall of every grade of movable vane wheel and casing is less to can reduce axial fan's whole size, make axial fan to be suitable for more and install in air conditioner, thereby optimized air conditioner's overall structure.
Description
Technical field
The utility model relates to air-conditioner device field, especially relates to a kind of axial-flow blower and has its air conditioner indoor machine.
Background technique
Point out in correlation technique, axial-flow blower is general only on air conditioner outdoor machine, the geometrical shape of each blade in common axial-flow blower and established angle identical and be distributed on wheel hub, and the sectional area of blade from root to top increases gradually, blade loads mainly concentrates on the middle and upper part of blade, though the sweepforward layout of this routine effectively can improve the aeroperformance of axial-flow blower, but there is this kind of axial-flow blower on the air conditioner indoor machine wrapped up by casing completely and inapplicable, and the air supplying distance of axial-flow blower cannot ensure.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model is to propose a kind of axial-flow blower, and the air quantity of described axial-flow blower is high, and air supplying distance is far away.
The utility model also proposes a kind of air conditioner indoor machine with above-mentioned axial-flow blower.
According to the axial-flow blower of the utility model first aspect, comprise: casing and being located in described casing and the first order movable vane of arranging successively on the flow direction of wind wheel, first stage stator blades is taken turns, second level movable vane wheel and second level stationary blade wheel, wherein, gap h1 between described first order movable vane wheel and the inwall of described casing meets: 0.01L1≤h1≤0.02L1, wherein, L1 is the length of blade of described first order movable vane wheel, gap h2 between described second level movable vane wheel and the inwall of described casing meets: 0.01L2≤h2≤0.02L2, wherein, L2 is the length of blade of described second level movable vane wheel.
According to axial-flow blower of the present utility model, effectively can improve total head and the air supplying distance of axial-flow blower, and due to every grade of movable vane wheel less with the gap between the inwall of casing, thus the overall dimensions of axial-flow blower can be reduced, make axial-flow blower to be more suitable for being arranged in air conditioner indoor machine, thus optimize the overall structure of air conditioner indoor machine.
In certain embodiments, described first order movable vane wheel is meridian acceleration impeller, described first order movable vane wheel comprises the first runner hub of being formed as frustoconic shape and isolated multiple first moving vane in the circumference of described first runner hub, the length of blade L1 of described first order movable vane wheel meets: L1=(D1-dm)/2, wherein, D1 is the external diameter of described first order movable vane wheel, dm is the average diameter of described first runner hub, dm meets: dm=(d1+d2)/2, wherein, d1 is the inlet diameter of described first runner hub, d2 is the outlet diameter of described first runner hub.
In certain embodiments, the cone angle alpha of described first runner hub meets: 15 °≤α≤20 °.
In certain embodiments, described second level movable vane is taken turns to comprise and is formed as columniform second runner hub and isolated multiple second moving vane in the circumference of described second runner hub, the length of blade L2 of described second level movable vane wheel meets: L2=(D2-d3)/2, wherein, D2 is the external diameter of described second level movable vane wheel, and d3 is the diameter of described second runner hub.
In certain embodiments, the axial clearance C1 between the blade of described first order movable vane wheel and the blade of described first stage stator blades wheel meets: C1=10%B1 ~ 15%B1, and wherein, B1 is the axial chord length of the described blade of described first order movable vane wheel.
In certain embodiments, the axial clearance C2 between the blade of described second level movable vane wheel and the blade of described second level stationary blade wheel meets: C2=10%B2 ~ 15%B2, and wherein, B2 is the axial chord length of the described blade of described second level movable vane wheel.
In certain embodiments, the axial clearance C3 between the blade of described first stage stator blades wheel and the blade of described second level movable vane wheel meets: C3 >=50%B1, and wherein, B1 is the axial chord length of the blade of described first order movable vane wheel.
In certain embodiments, one, at least gap in the gap between described first stage stator blades wheel with the inwall of described casing and the gap between the inwall of described second level stationary blade wheel and described casing is 0.
In certain embodiments, described casing is formed as uniform section cylindrical shape, and described first order movable vane wheel, described first stage stator blades wheel, described second level movable vane wheel and described second level stationary blade wheel are located in described casing coaxially.
According to the air conditioner indoor machine of the utility model second aspect, comprise the axial-flow blower according to the utility model first aspect.
According to air conditioner indoor machine of the present utility model, by arranging the axial-flow blower of above-mentioned first aspect, thus improve the overall performance of air conditioner indoor machine.
Alternatively, described air conditioner indoor machine is cylinder type indoor vertical cabinet-type air conditioner.
Additional aspect of the present utility model 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 utility model.
Accompanying drawing explanation
Fig. 1 is the explosive view of the axial-flow blower according to the utility model embodiment;
Fig. 2 is the axial view of the axial-flow blower shown in Fig. 1;
Fig. 3 is the sectional view along A-A line in Fig. 2;
Fig. 4 is the stereogram of taking turns according to the first order movable vane of the utility model embodiment;
Fig. 5 is the plan view of the first order movable vane wheel shown in Fig. 4;
Fig. 6 is the rear view of the first order movable vane wheel shown in Fig. 5;
Fig. 7 is the worm's eye view of the first order movable vane wheel shown in Fig. 5;
Fig. 8 is the left view of the first order movable vane wheel shown in Fig. 5;
Fig. 9 is the sectional view along B-B line in Fig. 5;
Figure 10 is the stereogram of the second level movable vane wheel according to the utility model embodiment;
Figure 11 is the plan view of the second level movable vane wheel shown in Figure 10;
Figure 12 is the rear view of the second level movable vane wheel shown in Figure 11;
Figure 13 is the worm's eye view of the second level movable vane wheel shown in Figure 11;
Figure 14 is the left view of the second level movable vane wheel shown in Figure 11.
Reference character:
100: axial-flow blower;
1: casing;
2: first order movable vane is taken turns; 21: the first moving vanes; 22: the first runner hubs;
3: first stage stator blades is taken turns; 31: the first stator blades; 32: the first quiet wheel hubs;
4: second level movable vane is taken turns; 41: the second moving vanes; 42: the second runner hubs;
5: second level stationary blade wheel; 51: the second stator blades; 52: the second quiet wheel hubs.
Embodiment
Be described below in detail embodiment of the present utility model, 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.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
Below with reference to Fig. 1-Figure 14, the axial-flow blower 100 according to the utility model embodiment is described.Particularly, axial-flow blower 100 may be used for air conditioner indoor machine (scheming not shown), particularly may be used for cylinder type indoor vertical cabinet-type air conditioner (scheming not shown).Be all known according to other configuration examples of the air conditioner indoor machine of the utility model embodiment for those of ordinary skills as heat exchanger etc. and operation, be not described in detail here.
As shown in Figure 1-Figure 3, according to the axial-flow blower 100 of the utility model embodiment, comprise: casing 1, first order movable vane wheel 2, first stage stator blades wheel 3, second level movable vane wheel 4 and second level stationary blade wheel 5, first order movable vane wheel 2, first stage stator blades wheel 3, second level movable vane wheel 4 and second level stationary blade wheel 5 to be all located in casing 1 and to arrange successively on the flow direction of wind.Such as, in the example of fig. 3, wind is along direction flowing from right to left, first order movable vane wheel 2, first stage stator blades wheel 3, second level movable vane wheel 4 and second level stationary blade wheel 5 are arranged in turn according to from the direction had left, wherein, first order movable vane wheel 2 and second level movable vane wheel 4 are the impeller rotated relative to casing 1, and first stage stator blades wheel 3 and second level stationary blade wheel 5 are the vasodilator treatment wheel static relative to casing 1.
Like this, because every one stage impeller can do work to air-flow and provide certain total head, therefore compared with single-stage axial blower fan, total head is larger, specifically, the total head value of this axial-flow blower 100 can reach more than the twice of ordinary single-stage axial-flow blower total head value, and overcome the near shortcoming of air supplying distance, enough air quantity can be kept again simultaneously, reduce the rotating speed of axial-flow blower 100, and due to it, there is high working efficiency, compared with the centrifugal blower under same air quantity, this axial-flow blower 100 has very large performance advantage.
In addition, when axial-flow blower 100 is arranged on air conditioner indoor machine, compared with the centrifugal cabinet air-conditioner of routine, the efficiency of air conditioner indoor machine is higher, Energy Efficiency Ratio is higher, test through laboratory, under identical air quantity, the power of this axial-flow blower only has 2/3 of centrifugal blower power, therefore, the two-stage axial-flow blower 100 of the utility model embodiment, and the air conditioner indoor machine (especially cylinder type indoor vertical cabinet-type air conditioner) with it has obvious advantage compared with conventional air-conditioning device indoor machine.
Particularly, with reference to Fig. 3, gap h1 between first order movable vane wheel 2 and the inwall of casing 1 meets: 0.01L1≤h1≤0.02L1, wherein, L1 is the length of blade (will describe in detail hereinafter) of first order movable vane wheel 2, gap h2 between second level movable vane wheel 4 and the inwall of casing 1 meets: 0.01L2≤h2≤0.02L2, and wherein, L2 is the length of blade (will describe in detail hereinafter) of second level movable vane wheel 4.Thus, fall on safe basis in consideration, ensure that gap is enough little as far as possible, thus it is minimum to ensure to reveal flow effect, and improve the structural compactness of axial-flow blower 100.
In an embodiment of the present utility model, with reference to Fig. 1 and Fig. 3, casing 1 is formed as uniform section cylindrical shape, first order movable vane wheel 2, first stage stator blades wheel 3, second level movable vane wheel 4 and second level stationary blade wheel 5 are located in casing 1 coaxially, now, gap h1 between first order movable vane wheel 2 and the inwall of casing 1 refers to: first order movable vane takes turns 1/2nd of the external diameter of 2 and the internal diameter difference of casing 1, and the gap h2 between second level movable vane wheel 4 and the inwall of casing 1 refers to: second level movable vane takes turns 1/2nd of the external diameter of 4 and the internal diameter difference of casing 1.
Further preferably, first stage stator blades wheel 3 and the inwall of casing 1 between gap and the inwall of second level stationary blade wheel 5 and casing 1 between gap in one, at least gap be 0.That is, the gap between first stage stator blades wheel 3 and the inwall of casing 1 be 0 or second level stationary blade wheel 5 and casing 1 inwall between gap be 0 or the first stage stator blades gap of taking turns between 3 and the inwall of casing 1 be gap while 0 between second level stationary blade wheel 5 and the inwall of casing 1 be also 0 (as shown in Figure 3).Thus, can measure further and ensure that gap is enough little, thus it is minimum to guarantee to reveal flow effect, and improve the structural compactness of axial-flow blower 100.
According to the axial-flow blower 100 of the utility model embodiment, effectively can improve total head and the air supplying distance of axial-flow blower 100, and due to the second level movable vane wheel 4 and the inwall of casing 1 between gap less, gap between second level movable vane wheel 4 and the inwall of casing 1 is also less, thus the size of axial-flow blower 100 entirety can be reduced, make axial-flow blower 100 can more be suitable for being arranged in air conditioner indoor machine (particularly cylinder type indoor vertical cabinet-type air conditioner), thus optimize the overall structure of air conditioner indoor machine (particularly cylinder type indoor vertical cabinet-type air conditioner).
According to a concrete example of the present utility model, axial-flow blower 100 comprises two-layer configuration, every one-level comprises a movable vane wheel and a stationary blade wheel, movable vane wheel (rotating impeller) of every grade is front, stationary blade wheel (impeller do not rotated) is rear, casing 1 is formed as the isometrical cylinder-like structure coordinating air conditioner fuselage size, and wraps both stage impellers structure completely.Wherein, with reference to Fig. 1, first order movable vane wheel 2 comprises multiple first moving vane 21 and the first runner hub 22, multiple first moving vane 21 is evenly spaced apart in the circumference of the first runner hub 22, second level movable vane wheel 4 comprises multiple second moving vane 41 and the second runner hub 42, multiple second moving vane 41 is evenly spaced apart in the circumference of the second runner hub 42, first stage stator blades wheel 3 comprises multiple first stator blade 31 and the first quiet wheel hub 32, multiple first stator blade 31 is evenly spaced apart in the circumference of the first quiet wheel hub 32, second level stationary blade wheel 5 comprises multiple second stator blade 51 and the second quiet wheel hub 52, multiple second stator blade 51 is evenly spaced apart in the circumference of the second quiet wheel hub 52.
Preferably, the design parameter of first order movable vane wheel 2 is identical with at least one in the design parameter (such as length of blade, axial chord length, the number of blade, setting angle etc.) of second level movable vane wheel 4, and the design parameter of first stage stator blades wheel 3 is identical with at least one in the design parameter (such as length of blade, axial chord length, the number of blade, setting angle etc.) of second level stationary blade wheel 5.Further preferably, first stage stator blades wheel 3 is identical with the structure of second level stationary blade wheel 5.
Thus, when two-stage movable vane wheel respectively adopt same design method and design parameter time, and when the stationary blade wheel of two-stage adopts same design method and design parameter respectively, can ensure that every grade of cardinal principle works under identical operating mode, thus the service behaviour of axial-flow blower 100 can be improved further, and be convenient to manufacturing, reduce die cost.
In an embodiment of the present utility model, with reference to Fig. 4-Fig. 9, first order movable vane wheel 2 be meridian acceleration impeller, and first order movable vane is taken turns 2 and comprised the first runner hub 22 of being formed as frustoconic shape (as shown in Figure 9) and isolated multiple first moving vane 21 in the circumference of the first runner hub 22.Thus, because chopped-off head movable vane adopts meridian acceleration wheel hub, thus the overall performance of axial-flow blower 100 can be improved further.Here, it should be noted that, the concept of meridian acceleration should be well known to those skilled in the art, and no longer describes in detail here.
With reference to Fig. 7, the length of blade L1 of first order movable vane wheel 2 is mean leaf length, particularly, the length of blade L1 of first order movable vane wheel 2 meets: L1=(D1-dm)/2, wherein, D1 is the external diameter of first order movable vane wheel 2, dm is the average diameter of the first runner hub 22, and dm meets: dm=(d1+d2)/2, wherein, d1 is the inlet diameter of the first runner hub 22, and d2 is the outlet diameter of the first runner hub 22.Alternatively, take turns the axial chord length B1 (as shown in Figure 8) of the blade 21 of 2 than nf scope 0.9-1.3 and first order movable vane according to meridian acceleration, obtain best cone angle alpha (as shown in Figure 9) scope of the first runner hub 22, that is: 15 °≤α≤20 °.Here, it should be noted that, axial chord length concept should be well known to those skilled in the art, no longer describe in detail here.
In an embodiment of the present utility model, with reference to Figure 10-Figure 14, second level movable vane wheel 4 comprises and is formed as columniform second runner hub 42 and isolated multiple second moving vane 41 in the circumference of the second runner hub 42, now, with reference to Figure 13 and Figure 14, the length of blade L2 of second level movable vane wheel 4 meets: L2=(D2-d3)/2, wherein, D2 is the external diameter of second level movable vane wheel 4, and d3 is the diameter of the second runner hub 42.
Thus, when second level movable vane wheel 4 adopts isometrical hub design, what can ensure that second level movable vane wheel 4 and first stage stator blades take turns 3 is smoothly in turn connected, thus avoids occurring stator-rotor interaction effect and clock effect, and then reduces flow losses, forced vibration and noise.
In an embodiment of the present utility model, with reference to Fig. 3, axial clearance C1 between the blade 21 of first order movable vane wheel 2 and the blade 31 of first stage stator blades wheel 3 meets: C1=10%B1 ~ 15%B1, and wherein, B1 is the axial chord length of the blade 21 of first order movable vane wheel 2.Thus, effectively can avoid the interference effect of movable vane wheel and stationary blade wheel, and the compactedness of axial-flow blower 100 can be improved, thus adapt to the size requirement of air conditioner indoor machine better.
In an embodiment of the present utility model, with reference to Fig. 3, axial clearance C2 between the blade 41 of second level movable vane wheel 4 and the blade 51 of second level stationary blade wheel 5 meets: C2=10%B2 ~ 15%B2, and wherein, B2 is the axial chord length of the blade 41 of second level movable vane wheel 4.Thus, effectively can avoid the interference effect of movable vane wheel and stationary blade wheel, and the compactedness of axial-flow blower 100 can be improved, thus adapt to the size requirement of air conditioner indoor machine better.
In an embodiment of the present utility model, with reference to Fig. 3, the axial clearance C3 between the blade 31 of first stage stator blades wheel 3 and the blade 41 of second level movable vane wheel 4 meets: C3 >=50%B1, and wherein, B1 is the axial chord length of the blade 21 of first order movable vane wheel 2.Thus, effectively can avoid " clock " effect, and effectively can improve the compactedness of axial-flow blower 100, thus adapt to the size requirement of air conditioner indoor machine better.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " axis ", " radial direction ", " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " 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 utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model, 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 utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. an axial-flow blower, is characterized in that, comprising: casing and being located in described casing and the first order movable vane of arranging successively on the flow direction of wind wheel, first stage stator blades wheel, second level movable vane wheel and second level stationary blade wheel, wherein,
Gap h1 between described first order movable vane wheel and the inwall of described casing meets: 0.01L1≤h1≤0.02L1, and wherein, L1 is the length of blade of described first order movable vane wheel,
Gap h2 between described second level movable vane wheel and the inwall of described casing meets: 0.01L2≤h2≤0.02L2, and wherein, L2 is the length of blade of described second level movable vane wheel.
2. axial-flow blower according to claim 1, it is characterized in that, described first order movable vane wheel is meridian acceleration impeller, and described first order movable vane wheel comprises the first runner hub of being formed as frustoconic shape and isolated multiple first moving vane in the circumference of described first runner hub
The length of blade L1 of described first order movable vane wheel meets: L1=(D1-dm)/2, wherein, D1 is the external diameter of described first order movable vane wheel, dm is the average diameter of described first runner hub, dm meets: dm=(d1+d2)/2, wherein, d1 is the inlet diameter of described first runner hub, and d2 is the outlet diameter of described first runner hub.
3. axial-flow blower according to claim 2, is characterized in that, the cone angle alpha of described first runner hub meets: 15 °≤α≤20 °.
4. axial-flow blower according to claim 1, is characterized in that, described second level movable vane is taken turns to comprise and is formed as columniform second runner hub and isolated multiple second moving vane in the circumference of described second runner hub,
The length of blade L2 of described second level movable vane wheel meets: L2=(D2-d3)/2, and wherein, D2 is the external diameter of described second level movable vane wheel, and d3 is the diameter of described second runner hub.
5. axial-flow blower according to claim 1, it is characterized in that, axial clearance C1 between the blade of described first order movable vane wheel and the blade of described first stage stator blades wheel meets: C1=10%B1 ~ 15%B1, and wherein, B1 is the axial chord length of the described blade of described first order movable vane wheel.
6. axial-flow blower according to claim 1, it is characterized in that, axial clearance C2 between the blade of described second level movable vane wheel and the blade of described second level stationary blade wheel meets: C2=10%B2 ~ 15%B2, and wherein, B2 is the axial chord length of the described blade of described second level movable vane wheel.
7. axial-flow blower according to claim 1, it is characterized in that, axial clearance C3 between the blade of described first stage stator blades wheel and the blade of described second level movable vane wheel meets: C3 >=50%B1, and wherein, B1 is the axial chord length of the blade of described first order movable vane wheel.
8. axial-flow blower according to claim 1, is characterized in that, one, at least gap in the gap between described first stage stator blades wheel with the inwall of described casing and the gap between the inwall of described second level stationary blade wheel and described casing is 0.
9. axial-flow blower according to claim 1, it is characterized in that, described casing is formed as uniform section cylindrical shape, and described first order movable vane wheel, described first stage stator blades wheel, described second level movable vane wheel and described second level stationary blade wheel are located in described casing coaxially.
10. an air conditioner indoor machine, is characterized in that, comprises the axial-flow blower according to any one of claim 1-9.
11. air conditioner indoor machines according to claim 10, is characterized in that, described air conditioner indoor machine is cylinder type indoor vertical cabinet-type air conditioner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551089.0U CN204900286U (en) | 2015-07-24 | 2015-07-24 | Axial fan and air conditioner who has it |
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|---|---|---|---|
| CN201520551089.0U CN204900286U (en) | 2015-07-24 | 2015-07-24 | Axial fan and air conditioner who has it |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481598A (en) * | 2016-12-26 | 2017-03-08 | 珠海格力电器股份有限公司 | Impeller assembly and axial flow fan |
| WO2019057040A1 (en) * | 2017-09-25 | 2019-03-28 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit |
| CN110762645A (en) * | 2019-11-29 | 2020-02-07 | 广东美的制冷设备有限公司 | Air supply fan, air conditioner outdoor unit and air conditioner |
| WO2020052320A1 (en) * | 2018-09-10 | 2020-03-19 | 宁波奥克斯电气股份有限公司 | Axial-flow fan assembly and air conditioner |
| CN111425453A (en) * | 2020-03-31 | 2020-07-17 | 联想(北京)有限公司 | Air guide device |
| WO2022073454A1 (en) * | 2020-10-10 | 2022-04-14 | 广东美的暖通设备有限公司 | Fan apparatus and air conditioner outdoor unit |
-
2015
- 2015-07-24 CN CN201520551089.0U patent/CN204900286U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481598A (en) * | 2016-12-26 | 2017-03-08 | 珠海格力电器股份有限公司 | Impeller assembly and axial flow fan |
| WO2019057040A1 (en) * | 2017-09-25 | 2019-03-28 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit |
| WO2020052320A1 (en) * | 2018-09-10 | 2020-03-19 | 宁波奥克斯电气股份有限公司 | Axial-flow fan assembly and air conditioner |
| CN110762645A (en) * | 2019-11-29 | 2020-02-07 | 广东美的制冷设备有限公司 | Air supply fan, air conditioner outdoor unit and air conditioner |
| CN111425453A (en) * | 2020-03-31 | 2020-07-17 | 联想(北京)有限公司 | Air guide device |
| WO2022073454A1 (en) * | 2020-10-10 | 2022-04-14 | 广东美的暖通设备有限公司 | Fan apparatus and air conditioner outdoor unit |
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