CN203670276U - Axial flow wind wheel - Google Patents
Axial flow wind wheel Download PDFInfo
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- CN203670276U CN203670276U CN201320890788.9U CN201320890788U CN203670276U CN 203670276 U CN203670276 U CN 203670276U CN 201320890788 U CN201320890788 U CN 201320890788U CN 203670276 U CN203670276 U CN 203670276U
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- 230000007423 decrease Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 description 1
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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Abstract
The utility model discloses an axial flow wind wheel which comprises a hub and three blades. The three blades are evenly distributed on the periphery of the hub. The blade tails of the blades are composed of continuous curved sections and reinforcing blocks. The reinforcing blocks are connected with the periphery of the hub. The blade tails of the blades are composed of the continuous curved sections and the reinforcing blocks, after the test, it shows that the structure reduces vibration and noise generated when the wind wheel rotates, operating stability is improved, energy consumption is lowered, and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of axial-flow windwheel.
Background technique
Axial-flow windwheel is widely used in air conditioner outdoor machine.When axial-flow windwheel work, outdoor heat exchanger is carried out to cycle heat exchange.When its rotation, produce level of noise and directly have influence on machine quality.Promulgate along with room air conditioner regulator efficiency new standard, air conditioner noises standard-required is further improved, selecting of axial-flow windwheel is very important.
Chinese patent literature CN201210050649.5 provides " a kind of axial-flow windwheel ", and the trailing edge of its fan blade has at least five V-type serrated slot that cause not of uniform size, vibration and noise when this Structure Decreasing wind wheel rotation.But afterbody arranges after serrate slot, when having alleviated deadweight, reduction power of motor, air quantity also can decline.Now only have by improving axial-flow windwheel rotating speed and improve air quantity, the vibration that can strengthen impeller after rotating speed improves, can accelerate the deformation of blade, the life-span of having reduced impeller after long-play.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of axial-flow windwheel that can also ensure running steady in a long-term in reducing noise.
In order to solve the problems of the technologies described above, technological scheme provided by the utility model is: a kind of axial-flow windwheel, comprises wheel hub and three blades; Described three blades are evenly distributed in the periphery of wheel hub; The leaf tail of described blade is made up of continous curve section and reinforced block; Described reinforced block is connected with the periphery of wheel hub.
The radius of definition axial-flow windwheel is R1, the radius of definition wheel hub is R2, the height R that the difference of setting R1 and R2 is blade, the definition continous curve section of blade and the tie point of reinforced block are the starting point B of continous curve section, the starting point B of definition continous curve section is Rb to the plan range at axial-flow windwheel center, has R2≤Rb≤R2+1/2R; The outer end points of the continous curve section of definition blade is the terminal A of continous curve section, and the terminal A of definition continous curve section is Ra to the plan range at axial-flow windwheel center, has R2+3/4R≤Ra≤R1.
All peak dots of the continous curve section of described blade are all positioned on same straight line L1; All valley points of the continous curve section of described blade are all positioned on same straight line L2.
Distance between adjacent two peak dots of the continous curve section of described blade is identical, and the distance between adjacent two valley points is also identical, and distance between adjacent two peak dots equals the distance between adjacent two valley points.
The definition continous curve section of blade and the tie point of reinforced block are the starting point B of continous curve section; The peak dot of definition continous curve section by starting point B start to be followed successively by a1, a2 ..., an ' ', an ' ' >=2; The valley point of definition continous curve section by starting point B start to be followed successively by b1, b2 ..., bn ', bn ' >=2; The distance defining between distance and adjacent two valley points between adjacent two peak dots is d; Distance to the distance of L2, b2 to L1 of the distance of definition a1 to the distance of L2, b1 to L1, a2 ..., an ' ' be respectively to the distance of L2, bn ' to the distance of L1 h1, h2, h3, h4 ..., hn-1, hn, n=n ' '+n ', n >=4, there is hn/d >=0.03, and h1, h2, h3, h4 ..., hn-1, hn value extend to the outer rim of blade with the form that increases progressively gradually or successively decrease gradually.
Adopt after technique scheme, the utlity model has following beneficial effect: leaf tail of the present utility model is made up of continous curve section and reinforced block, vibration and noise while showing this Structure Decreasing wind wheel rotation after test, improve the stability of running, reduce energy consumption, extended working life.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is perspective view of the present utility model.
Fig. 2 is plane structure schematic diagram of the present utility model.
Fig. 3 is the structural representation of the leaf tail of blade of the present utility model.
Label in accompanying drawing is:
Wheel hub 1, blade 2, continous curve section 2.1, reinforced block 2.2;
Continous curve segment endpoint A, continous curve section starting point B, continous curve section peak dot place straight line L1, place, continous curve section valley point straight line L2, axial-flow windwheel radius R 1, hub radius R2, blade height R, continous curve segment endpoint are to the plan range Ra at axial-flow windwheel center, the plan range Rb that continous curve section starting point arrives axial-flow windwheel center;
Peak dot: a1, a2 ..., an ' '; Valley point: b1, b2 ..., bn ';
Distance h 4 to the distance h 3 of L2, b2 to L1 of the distance h 2 of a1 to the distance h 1 of L2, b1 to L1, a2, bn ' are to the distance h n of L1.
Embodiment
(embodiment 1)
See Fig. 1, the axial-flow windwheel of the present embodiment, comprises wheel hub 1 and three blades 2.
Three blades 2 are evenly distributed in the periphery of wheel hub 1.The leaf tail of blade 2 is made up of continous curve section 2.1 and reinforced block 2.2.Reinforced block 2.2 is connected with the periphery of wheel hub 1.
See Fig. 2, the radius of definition axial-flow windwheel is R1, the radius of definition wheel hub 1 is R2, the difference of setting R1 and R2 is the height R of blade 2, the definition continous curve section 2.1 of blade 2 and the tie point of reinforced block 2.2 are the starting point B of continous curve section 2.1, the starting point B of definition continous curve section 2.1 is Rb to the plan range at axial-flow windwheel center, has R2≤Rb≤R2+1/2R.The outer end points of the continous curve section 2.1 of definition blade 2 is the terminal A of continous curve section 2.1, and the terminal A of definition continous curve section 2.1 is Ra to the plan range at axial-flow windwheel center, has R2+3/4R≤Ra≤R1.
See Fig. 3, all peak dots of the continous curve section 2.1 of blade 2 are all positioned on same straight line L1.All valley points of the continous curve section 2.1 of blade 2 are all positioned on same straight line L2.Distance between adjacent two peak dots of the continous curve section 2.1 of blade 2 is identical, and the distance between adjacent two valley points is also identical, and distance between adjacent two peak dots equals the distance between adjacent two valley points.
The definition continous curve section 2.1 of blade 2 and the tie point of reinforced block 2.2 are the starting point B of continous curve section 2.1.The peak dot of definition continous curve section 2.1 by starting point B start to be followed successively by a1, a2 ..., an ' ', an ' ' >=2.The valley point of definition continous curve section 2.1 by starting point B start to be followed successively by b1, b2 ..., bn ', bn ' >=2.The distance defining between distance and adjacent two valley points between adjacent two peak dots is d.Distance to the distance of L2, b2 to L1 of the distance of definition a1 to the distance of L2, b1 to L1, a2 ..., an ' ' be respectively to the distance of L2, bn ' to the distance of L1 h1, h2, h3, h4 ..., hn-1, hn, n=n ' '+n ', n >=4, there is hn/d >=0.03, and h1, h2, h3, h4 ..., hn-1, hn value extend to the outer rim of blade 2 with the form that increases progressively gradually or successively decrease gradually.
The axial-flow windwheel of the present embodiment is arranged on certain air-conditioning, according to regulation air quantity, Noise Testing in GB/T7725 GB " room air conditioner ", records related data, as following table:
As can be seen from the above table, the axial-flow windwheel noise of the present embodiment is low, and power consumption is little.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an axial-flow windwheel, comprises wheel hub (1) and three blades (2); Described three blades (2) are evenly distributed in the periphery of wheel hub (1); It is characterized in that: the leaf tail of described blade (2) is made up of continous curve section (2.1) and reinforced block (2.2); Described reinforced block (2.2) is connected with the periphery of wheel hub (1).
2. a kind of axial-flow windwheel according to claim 1, it is characterized in that: the radius of definition axial-flow windwheel is R1, the radius of definition wheel hub (1) is R2, the difference of setting R1 and R2 is the height R of blade (2), the continous curve section (2.1) of definition blade (2) and the tie point of reinforced block (2.2) are the starting point B of continous curve section (2.1), the starting point B of definition continous curve section (2.1) is Rb to the plan range at axial-flow windwheel center, has R2≤Rb≤R2+1/2R; The outer end points of the continous curve section (2.1) of definition blade (2) is the terminal A of continous curve section (2.1), and the terminal A of definition continous curve section (2.1) is Ra to the plan range at axial-flow windwheel center, has R2+3/4R≤Ra≤R1.
3. a kind of axial-flow windwheel according to claim 1, is characterized in that: all peak dots of the continous curve section (2.1) of described blade (2) are all positioned on same straight line L1; All valley points of the continous curve section (2.1) of described blade (2) are all positioned on same straight line L2.
4. a kind of axial-flow windwheel according to claim 3, it is characterized in that: the distance between adjacent two peak dots of the continous curve section (2.1) of described blade (2) is identical, distance between adjacent two valley points is also identical, and distance between adjacent two peak dots equals the distance between adjacent two valley points.
5. a kind of axial-flow windwheel according to claim 4, is characterized in that: the continous curve section (2.1) of definition blade (2) and the tie point of reinforced block (2.2) are the starting point B of continous curve section (2.1); Definition continous curve section (2.1) peak dot by starting point B start to be followed successively by a1, a2 ..., an ' ', an ' ' >=2; Definition continous curve section (2.1) valley point by starting point B start to be followed successively by b1, b2 ..., bn ', bn ' >=2; The distance defining between distance and adjacent two valley points between adjacent two peak dots is d; Distance to the distance of L2, b2 to L1 of the distance of definition a1 to the distance of L2, b1 to L1, a2 ..., an ' ' be respectively to the distance of L2, bn ' to the distance of L1 h1, h2, h3, h4 ..., hn-1, hn, n=n ' '+n ', n >=4, there is hn/d >=0.03, and h1, h2, h3, h4 ..., hn-1, hn value extend to the outer rim of blade (2) with the form that increases progressively gradually or successively decrease gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890788.9U CN203670276U (en) | 2013-12-31 | 2013-12-31 | Axial flow wind wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890788.9U CN203670276U (en) | 2013-12-31 | 2013-12-31 | Axial flow wind wheel |
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| Publication Number | Publication Date |
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| CN203670276U true CN203670276U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320890788.9U Expired - Lifetime CN203670276U (en) | 2013-12-31 | 2013-12-31 | Axial flow wind wheel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061187A (en) * | 2014-06-30 | 2014-09-24 | 珠海格力电器股份有限公司 | Axial flow fan blade, axial flow fan and air conditioner |
| CN106545521A (en) * | 2017-01-16 | 2017-03-29 | 江苏汇创机电科技股份有限公司 | A kind of brshless DC motor noise reduction impeller |
| CN106640752A (en) * | 2016-12-19 | 2017-05-10 | 宁波方太厨具有限公司 | Impeller of kitchen ventilator |
| CN114165478A (en) * | 2021-11-04 | 2022-03-11 | 华中科技大学 | Bionic axial flow fan blade and modification method thereof |
-
2013
- 2013-12-31 CN CN201320890788.9U patent/CN203670276U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061187A (en) * | 2014-06-30 | 2014-09-24 | 珠海格力电器股份有限公司 | Axial flow fan blade, axial flow fan and air conditioner |
| CN106640752A (en) * | 2016-12-19 | 2017-05-10 | 宁波方太厨具有限公司 | Impeller of kitchen ventilator |
| CN106640752B (en) * | 2016-12-19 | 2023-08-18 | 宁波方太厨具有限公司 | Kitchen ventilator impeller |
| CN106545521A (en) * | 2017-01-16 | 2017-03-29 | 江苏汇创机电科技股份有限公司 | A kind of brshless DC motor noise reduction impeller |
| CN106545521B (en) * | 2017-01-16 | 2019-01-25 | 江苏汇创机电科技股份有限公司 | A kind of brshless DC motor noise reduction impeller |
| CN114165478A (en) * | 2021-11-04 | 2022-03-11 | 华中科技大学 | Bionic axial flow fan blade and modification method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170725 Address after: 213176 Lijia Town, Wujin District, Jiangsu, Lijia, Changzhou Patentee after: Jiangsu Yoau Electric Co.,Ltd. Address before: East West Road Luoyang town Wujin District Jiangsu city of Changzhou province No. 118 213000 Patentee before: JIANGSU SHINCO ELECTRICAL APPLIANCE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |