CN204572556U - Air conditioner outdoor machine and air conditioner - Google Patents
Air conditioner outdoor machine and air conditioner Download PDFInfo
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- CN204572556U CN204572556U CN201520103051.7U CN201520103051U CN204572556U CN 204572556 U CN204572556 U CN 204572556U CN 201520103051 U CN201520103051 U CN 201520103051U CN 204572556 U CN204572556 U CN 204572556U
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- air conditioner
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- sawtooth
- outdoor machine
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Abstract
The utility model provides a kind of air conditioner outdoor machine and air conditioner.This air conditioner outdoor machine comprises axial-flow windwheel, and axial-flow windwheel comprises: wheel hub and multiple blade, and multiple blade is all connected with the outer side wall of wheel hub, and multiple blade is uniformly distributed along the circumference of wheel hub, and the leading edge of blade and trailing edge are equipped with sawtooth.The air conditioner outdoor machine that the utility model provides, by being provided with sawtooth at the blade inlet edge of axial-flow windwheel and trailing edge place, when axial-flow windwheel is worked, sawtooth can destroy the eddy current that blade inlet edge and trailing edge produce, and eddy current is come off at trailing edge place, reduce the intensity of eddy current energy, reduce the eddy current noise that axial-flow windwheel produces.
Description
Technical field
The utility model relates to art of refrigeration units, more specifically, relates to a kind of air conditioner outdoor machine and the air conditioner comprising this air conditioner outdoor machine.
Background technique
Axial-flow windwheel because of advantages such as its efficiency are high, air quantity is large always adopt by air-conditioning quilt outdoor unit.When axial-flow windwheel works, on the adjacent sections of axial-flow windwheel radial direction, air-flow is flowed to blade tip by blade root, and the boundary layer of tip segment is constantly thickeied, and is finally formed by pressure side around the tip vortex to suction surface; Blade tip nest is stacked along with advancing to air side, increase, finally causes the disorder of discharging air-flow, causes noise to increase.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, the object of the utility model first aspect is, provides a kind of air conditioner outdoor machine, and the eddy current that its axial-flow windwheel blade tip place produces weakens, noise reduction.
The object of the utility model second aspect is, provides a kind of air conditioner with above-mentioned air conditioner outdoor machine.
For achieving the above object, the embodiment of the utility model first aspect provides a kind of air conditioner outdoor machine, comprise axial-flow windwheel, described axial-flow windwheel comprises: wheel hub and multiple blade, multiple described blade is all connected with the outer side wall of described wheel hub, and multiple described blade is uniformly distributed along the circumference of described wheel hub, and the leading edge of described blade and trailing edge are equipped with sawtooth.
In above-described embodiment of the present utility model, leading edge and the trailing edge place of the blade of axial-flow windwheel are equipped with sawtooth, during axial-flow windwheel work, air-flow has higher speed in the leading edge of blade and trailing edge place, the setting of sawtooth, effectively can destroy the eddy current that the leading edge of blade and trailing edge produce, and eddy current is come off at trailing edge place, reduce the intensity of eddy current energy, reduce the eddy current noise that axial-flow windwheel produces.
In addition, the air conditioner outdoor machine that the utility model above-described embodiment provides also has following additional technical feature:
According to an embodiment of the present utility model, on the trailing edge of described blade, the breach described in adjacent two between sawtooth is curved.
According to an embodiment of the present utility model, on the trailing edge of described blade, the breach described in adjacent two between sawtooth is circular arc.
According to an embodiment of the present utility model, described in circular arc, the diameter of a circle at breach place is 4-10mm.
According to an embodiment of the present utility model, on the trailing edge of described blade, the tooth top width of described sawtooth is 1-3mm.
According to an embodiment of the present utility model, the described sawtooth in the leading edge of described blade is identical with the shape of the described sawtooth on the trailing edge of described blade.
According to an embodiment of the present utility model, the described sawtooth in the leading edge of described blade is identical with the size of the described sawtooth on the trailing edge of described blade.
According to an embodiment of the present utility model, described blade and described wheel hub connecting place are provided with chamfering.
According to an embodiment of the present utility model, leading edge and/or the trailing edge place of the pressure surface of described blade are provided with chamfering.
The embodiment of the utility model second aspect provides a kind of air conditioner, comprises the air conditioner outdoor machine described in above-mentioned any embodiment, and has whole beneficial effects of the air conditioner outdoor machine described in above-mentioned any embodiment.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the perspective view of the axial-flow windwheel according to the utility model one embodiment;
Fig. 2 is the main TV structure schematic diagram of Fig. 1;
Fig. 3 is the A portion structure enlarged diagram of Fig. 2;
Fig. 4 is the left TV structure schematic diagram of Fig. 1;
Fig. 5 is the B portion structure enlarged diagram of Fig. 4.
Wherein, in Fig. 2, the direction shown in arrow is the direction of axial-flow windwheel.
Corresponding relation in Fig. 1 to Fig. 5 between reference character and component names is:
1 axial-flow windwheel, 10 blades, 100 leading edges, 101 trailing edges, 102 sawtooth, 103 breach, 104 chamferings, 11 wheel hubs.
Embodiment
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
Air conditioner outdoor machine according to some embodiments of the utility model and air conditioner are described with reference to the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 4, according to a kind of air conditioner outdoor machine that some embodiments of the utility model provide, comprise axial-flow windwheel 1, described axial-flow windwheel 1 comprises: wheel hub 11 and multiple blade 10, multiple described blade 10 is all connected with the outer side wall of described wheel hub 11, and uniform along the circumference of described wheel hub 11, leading edge 100 and trailing edge 101 place of described blade 10 are equipped with sawtooth 102.
In above-described embodiment of the present utility model, leading edge and the trailing edge place of the blade of axial-flow windwheel are equipped with sawtooth, (rotate along the direction shown in Fig. 2 hollow core arrow) during axial-flow windwheel work, air-flow has higher speed in the leading edge of blade and trailing edge place, the setting of sawtooth, effectively can destroy the eddy current that the leading edge of blade and trailing edge produce, and eddy current is come off at trailing edge place, reduce the intensity of eddy current energy, reduce the eddy current noise that axial-flow windwheel produces.
Axial-flow windwheel and the common axial-flow windwheel not with sawtooth of the band sawtooth provided with the utility model are tested, and result is as shown in table 1:
Table 1
| Air quantity/m 3/h | Common axial-flow windwheel/dB | With the axial-flow windwheel/dB of sawtooth |
| 2180 | 50.9 | 49.8 |
| 2050 | 49 | 48.2 |
Can be found out by above-mentioned test data, the leading edge and trailing edge of the blade of axial-flow windwheel are provided with sawtooth, really can play the effect reducing the noise that axial-flow windwheel produces.
Further, as shown in Figure 3 and Figure 5, on the trailing edge 101 of described blade 10, the breach described in adjacent two between sawtooth 102 is curved.
Preferably, as shown in Figure 3, on the trailing edge 101 of described blade 10, the breach 103 described in adjacent two between sawtooth 102 is in circular arc.
Breach between sawtooth is curved, especially circular arc, effectively can avoid forming stress in indentation, there and concentrate, and then cause leaf destruction, make the tonequality of noise softer, comfortable simultaneously.
In embodiments more of the present utility model, as shown in Figure 3, described in circular arc, the diameter of a circle D at breach 103 place is 4-10mm.
Further, as shown in Figure 3, on the trailing edge 101 of described blade 10, the tooth top width d of described sawtooth 102 is 1-3mm.
It should be noted that, the diameter of a circle at circular arc cutaway place is not limited to above-mentioned 4-10mm, same, and the tooth top width of sawtooth is also not limited to above-mentioned 1-3mm, can according to actual needs, sets itself.
In a preferred embodiment of the present utility model, the described sawtooth 102 in the leading edge 100 of described blade 10 is identical with the shape of the described sawtooth 102 on the trailing edge 101 of described blade 10.
Further, the described sawtooth 102 in the leading edge 100 of described blade 10 is identical with the size of the described sawtooth 102 on the trailing edge 101 of described blade 10.
Sawtooth in the leading edge of blade is all identical with size with the shape of the sawtooth on the trailing edge of blade, makes the easy processing of blade, reduces processing cost.
In examples more of the present utility model, described blade 10 is provided with chamfering with described wheel hub 11 connecting place.
Blade root and the wheel hub connecting place of blade are provided with chamfering, and avoid joint generation stress and concentrate, the leaf destruction caused, enhances the join strength of blade and wheel hub.
In the example depicted in fig. 5, trailing edge 102 place of the pressure surface of described blade 10 is provided with chamfering 104.The setting of chamfering, when making air-flow flow through the trailing edge of blade, can seamlessly transit, and reduces the intensity that eddy current produces, and then reduces the volume of noise.
Similarly, also chamfering can be set at the leading edge place of the pressure surface of blade.
The utility model embodiment on the other hand provides a kind of air conditioner (not shown), includes the air conditioner outdoor machine described in above-mentioned any embodiment, and has whole beneficial effects of the air conditioner outdoor machine described in above-mentioned any embodiment.
In sum, the air conditioner outdoor machine that the utility model provides, by being provided with sawtooth at the blade inlet edge of axial-flow windwheel and trailing edge place, when axial-flow windwheel is worked, sawtooth can destroy the eddy current that blade inlet edge and trailing edge produce, and eddy current is come off at trailing edge place, reduce the intensity of eddy current energy, reduce the eddy current noise that axial-flow windwheel produces.
In description of the present utility model, term " multiple " refers to two or more; Term " connection ", " being connected ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.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 description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " 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, 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.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an air conditioner outdoor machine, comprises axial-flow windwheel, it is characterized in that, described axial-flow windwheel comprises:
Wheel hub; With
Multiple blade, multiple described blade is all connected with the outer side wall of described wheel hub, and multiple described blade is uniformly distributed along the circumference of described wheel hub, and the leading edge of described blade and trailing edge are equipped with sawtooth.
2. air conditioner outdoor machine according to claim 1, is characterized in that,
On the trailing edge of described blade, the breach described in adjacent two between sawtooth is curved.
3. air conditioner outdoor machine according to claim 2, is characterized in that,
On the trailing edge of described blade, the breach described in adjacent two between sawtooth is circular arc.
4. air conditioner outdoor machine according to claim 3, is characterized in that,
Described in circular arc, the diameter of a circle at breach place is 4mm-10mm.
5. air conditioner outdoor machine according to claim 1, is characterized in that,
On the trailing edge of described blade, the tooth top width of described sawtooth is 1mm-3mm.
6. air conditioner outdoor machine according to any one of claim 1 to 5, is characterized in that,
Described sawtooth in the leading edge of described blade is identical with the shape of the described sawtooth on the trailing edge of described blade.
7. air conditioner outdoor machine according to claim 6, is characterized in that,
Described sawtooth in the leading edge of described blade is identical with the size of the described sawtooth on the trailing edge of described blade.
8. air conditioner outdoor machine according to any one of claim 1 to 5, is characterized in that,
Described blade and described wheel hub connecting place are provided with chamfering.
9. air conditioner outdoor machine according to any one of claim 1 to 5, is characterized in that,
Leading edge and/or the trailing edge place of the pressure surface of described blade are provided with chamfering.
10. an air conditioner, is characterized in that, comprises the air conditioner outdoor machine according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520103051.7U CN204572556U (en) | 2015-02-12 | 2015-02-12 | Air conditioner outdoor machine and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520103051.7U CN204572556U (en) | 2015-02-12 | 2015-02-12 | Air conditioner outdoor machine and air conditioner |
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| CN204572556U true CN204572556U (en) | 2015-08-19 |
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| CN201520103051.7U Active CN204572556U (en) | 2015-02-12 | 2015-02-12 | Air conditioner outdoor machine and air conditioner |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560115A (en) * | 2015-10-05 | 2017-04-12 | 日立麦克赛尔株式会社 | Blowing Device |
| CN108167224A (en) * | 2017-12-27 | 2018-06-15 | 泛仕达机电股份有限公司 | It is a kind of that the blade of multilayer denoising structure and the fan including the blade are set |
| CN108291559A (en) * | 2015-11-30 | 2018-07-17 | 三星电子株式会社 | Blower fan and air-conditioning with the blower fan |
| CN108302065A (en) * | 2017-07-26 | 2018-07-20 | 奥克斯空调股份有限公司 | Low noise axial-flow leaf |
| CN109915411A (en) * | 2019-04-24 | 2019-06-21 | 特灵空调系统(中国)有限公司 | Axial flow blower and air-conditioning with it |
| CN110345106A (en) * | 2019-07-31 | 2019-10-18 | 广东美的制冷设备有限公司 | Axial-flow leaf, axial flow blower and air conditioner |
| WO2020063565A1 (en) * | 2018-09-25 | 2020-04-02 | 约克广州空调冷冻设备有限公司 | Blade and axial flow impeller using same |
| CN112324705A (en) * | 2020-11-30 | 2021-02-05 | 上海海事大学 | Air conditioner fan impeller with sawtooth tail edge on blade |
| US11187083B2 (en) | 2019-05-07 | 2021-11-30 | Carrier Corporation | HVAC fan |
| CN113738700A (en) * | 2020-05-27 | 2021-12-03 | 广东美的白色家电技术创新中心有限公司 | Fan, air condensing units and air conditioning system |
| EP3974659A4 (en) * | 2019-05-21 | 2022-05-11 | Mitsubishi Electric Corporation | Axial fan, blower, and refrigeration cycle apparatus |
| USD980965S1 (en) | 2019-05-07 | 2023-03-14 | Carrier Corporation | Leading edge of a fan blade |
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2015
- 2015-02-12 CN CN201520103051.7U patent/CN204572556U/en active Active
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560115A (en) * | 2015-10-05 | 2017-04-12 | 日立麦克赛尔株式会社 | Blowing Device |
| CN106560115B (en) * | 2015-10-05 | 2021-01-26 | 麦克赛尔控股株式会社 | Air supply device |
| US11041506B2 (en) | 2015-11-30 | 2021-06-22 | Samsung Electronics Co., Ltd. | Blower fan and air conditioner having same |
| CN108291559A (en) * | 2015-11-30 | 2018-07-17 | 三星电子株式会社 | Blower fan and air-conditioning with the blower fan |
| EP3343045B1 (en) * | 2015-11-30 | 2021-07-21 | Samsung Electronics Co., Ltd. | Blower fan and air conditioner having same |
| CN108302065A (en) * | 2017-07-26 | 2018-07-20 | 奥克斯空调股份有限公司 | Low noise axial-flow leaf |
| CN108167224A (en) * | 2017-12-27 | 2018-06-15 | 泛仕达机电股份有限公司 | It is a kind of that the blade of multilayer denoising structure and the fan including the blade are set |
| US11572890B2 (en) | 2018-09-25 | 2023-02-07 | Johnson Controls Tyco IP Holdings LLP | Blade and axial flow impeller using same |
| WO2020063565A1 (en) * | 2018-09-25 | 2020-04-02 | 约克广州空调冷冻设备有限公司 | Blade and axial flow impeller using same |
| CN109915411A (en) * | 2019-04-24 | 2019-06-21 | 特灵空调系统(中国)有限公司 | Axial flow blower and air-conditioning with it |
| CN109915411B (en) * | 2019-04-24 | 2024-03-22 | 特灵空调系统(中国)有限公司 | Axial fan and air conditioner with same |
| US11187083B2 (en) | 2019-05-07 | 2021-11-30 | Carrier Corporation | HVAC fan |
| USD980965S1 (en) | 2019-05-07 | 2023-03-14 | Carrier Corporation | Leading edge of a fan blade |
| EP3974659A4 (en) * | 2019-05-21 | 2022-05-11 | Mitsubishi Electric Corporation | Axial fan, blower, and refrigeration cycle apparatus |
| US20220186742A1 (en) * | 2019-05-21 | 2022-06-16 | Mitsubishi Electric Corporation | Axial fan, air-sending device, and refrigeration cycle apparatus |
| CN110345106A (en) * | 2019-07-31 | 2019-10-18 | 广东美的制冷设备有限公司 | Axial-flow leaf, axial flow blower and air conditioner |
| CN113738700A (en) * | 2020-05-27 | 2021-12-03 | 广东美的白色家电技术创新中心有限公司 | Fan, air condensing units and air conditioning system |
| CN113738700B (en) * | 2020-05-27 | 2023-06-02 | 广东美的白色家电技术创新中心有限公司 | Fan, air conditioner outdoor unit and air conditioning system |
| CN112324705A (en) * | 2020-11-30 | 2021-02-05 | 上海海事大学 | Air conditioner fan impeller with sawtooth tail edge on blade |
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