CN103195752A - Impeller for air conditioner - Google Patents
Impeller for air conditioner Download PDFInfo
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- CN103195752A CN103195752A CN201310114089XA CN201310114089A CN103195752A CN 103195752 A CN103195752 A CN 103195752A CN 201310114089X A CN201310114089X A CN 201310114089XA CN 201310114089 A CN201310114089 A CN 201310114089A CN 103195752 A CN103195752 A CN 103195752A
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Abstract
The invention relates to the field of ventilation devices. The impeller for the air conditioner comprises a circular impeller base plate, a hub, blades and flow guiding rings. The number of the blades is 7, an air inlet angle is not larger than 7 degrees, and an air outlet angle ranges from 25 degrees to 35 degrees. Blade axis angles between adjacent blades are different. The upper portions of the blades are formed by connecting areas connected integrally and non-connecting areas. The length of the connecting areas accounts for 52%-63% of the length of the top portions of the blades, and air inlet area between any adjacent blades is 63%-69% of corresponding air outlet area. The impeller for the air conditioner is novel in structure, large in air amount and low in noise.
Description
Technical field
The present invention relates to the ventilation equipment field, relate in particular to a kind of for the impeller on the air-conditioning.
Background technique
Impeller is product commonly used on the air-conditioning, impeller on the air-conditioning comprises ring leaf base plate, wheel hub, blade and baffle liner, vanes fixed is between ring leaf base plate and baffle liner, wheel hub and ring leaf base plate inboard are connected as a single entity, wheel hub is concentric with ring leaf base plate, the center at wheel hub top arranges axle sleeve, and motor shaft passes the rotation of axle sleeve upper shaft hole impeller during use.The usability that is used for the impeller on the air-conditioning is mainly reflected in air quantity size and noise control aspect, air quantity size and noise just are mutual, the general big noise of air quantity is relatively just high, the little noise of air quantity is low naturally, it is a lot of to be used for the parameter that the usability of the impeller on the air-conditioning relates to, for example the shape of leaf base plate, wheel hub, blade and baffle liner, size and Placement etc.The impeller that air quantity size and noise control in the market very reasonably is used on the air-conditioning is few.
Summary of the invention
The objective of the invention is the kind that is used for the impeller on the air-conditioning for abundant, disclose a kind of novel structure, air quantity is big and noise is low for the impeller on the air-conditioning.
In order to realize above-mentioned purpose, the present invention has adopted following technological scheme:
A kind of for the impeller on the air-conditioning, comprise ring leaf base plate, wheel hub, blade and baffle liner, vanes fixed is between ring leaf base plate and baffle liner, the material-saving die cavity is set in the blade, wheel hub and ring leaf base plate inboard are connected as a single entity, wheel hub is concentric with ring leaf base plate, the top of described wheel hub is provided with the cylindrical plastic shaft hole sleeve that is connected as a single entity with it, wheel hub is provided with a plurality of radiation holes, and described blade is 7, and the air intake angle angle of all blades is identical, and air intake angle angle is not more than 7 °, the air-out angle angle of all blades is identical, and air intake angle angle is less than air-out angle angle, and air-out angle angle is between 25 °-35 °; Angle, blade axle center angle difference between the adjacent blades, angle, described blade axle center angle is all between 45 °-55 °, angle, blade axle center is that two blades and axle center radius constitute angle, arbitrarily angle, adjacent blades axle center angle difference be not more than 8 ° and arbitrarily angle, blade axle center angle difference be not more than 9 °; All the inner and outer ends that are arranged in the blade on the ring leaf base plate form circle and blade cylindrical in the blade respectively, and diameter of a circle is the diameter 60%-68% of blade cylindrical in the blade, and the diameter of blade cylindrical is between 420mm-480mm; Blade top is made of the connection area that is connected as a single entity and disconnected district, and connection area and the baffle liner of blade are fixed by ultrasonic welding, and the place, connection area is provided with stiffener, and baffle liner is provided with the auxiliary stiffener with stiffener position and structure matching; Disconnected district is in the air intake direction of blade inboard, the connection area is in the outside in disconnected district, connection area length accounts for the 52%-63% of vane tip length, the tie point in connection area and disconnected district is that the highest point of blade is the summit, and the air-admitting surface between the adjacent blades is the 63%-69% of the exhaust outlet area of correspondence arbitrarily; Circular diameter is the 35%-45% of outside diameter in the described ring leaf base plate.
As preferably, the blade medial extremity is that air intake and blade outboard end are that the outlet air end height maintains an equal level, and the height of blade outboard end is the 81%-85% of blade apex height; Air-admitting surface between the adjacent blades is the 66%-66.5% of the exhaust outlet area of correspondence arbitrarily, obtains best static pressure, and efficient improves 4%; Hub height is the 68%-74% of impeller sidepiece height; Hub height is the 50%-54% of impeller sidepiece height, and impeller sidepiece height is the whole height of ring leaf base plate, blade and baffle liner; The width of described baffle liner is the 98%-95% of baffle liner height, the height of baffle liner is the 50%-60% of blade exhaust outlet height, guide face on the baffle liner is connected and composed by three sections arc shaped surfaces, the radius of the radian value of three sections arc shaped surfaces from top to bottom increases gradually, adopts above-mentioned preference data to increase by 2% air quantity and noise at least and rises not obvious.
As preferably, circular diameter is 310.2mm in the blade, and the blade outside diameter is 481.2mm, and the thickness size of blade is no more than 25mm, and vane tip length is 160.2mm, and the height of blade exhaust outlet is 98.3mm; Connection area length is 95.4mm, the height 98.3mm of blade outboard end, and the height of the tie point in connection area and disconnected district is 117.7mm; Circular diameter is 178.1mm in the ring leaf base plate, and ring leaf base plate outside diameter is 481.2mm; Impeller sidepiece height is 136.3mm, and hub height is 97.8mm, and the height of baffle liner is 55.3mm, the width of baffle liner is 51.6mm, the radius of the radian value of three sections arc shaped surfaces is 15.5mm, 42.7mm and 91.6mm successively from top to bottom, and utilization efficiency is best, and air quantity maximum and noise are minimum.
As preferably, described radiation hole is seven; Described ring leaf base plate is provided with seven first stiffening ribs and seven second stiffening ribs, and every first stiffening rib is all along the edge setting of material-saving die cavity opening, and the inner of the outer end of second stiffening rib and first stiffening rib is connected as a single entity; Be equipped with seven wheel hub stiffening ribs on the bottom surface of wheel hub, the inner of every wheel hub stiffening rib is all near the outer end of a radiation hole, and the outer end of wheel hub stiffening rib extends on the ring leaf base plate and is connected as a single entity with the inner of second stiffening rib.The intensity height of leaf base plate and wheel hub.
As preferably, the air intake angle is the blade air intake surface with the opposite tangent direction of fan blade sense of rotation and the angle of blade air intake surface circular arc tangential line, and the air-out angle is the blade outlet air surface with the opposite tangent direction of fan blade sense of rotation and the angle of blade outlet air surface circular arc tangential line; Air intake angle angle is 0 ° or 1 °, and the air-out angle is 30 °, passes in and out the most effective of wind.
As preferably, angle, 7 blade axle center is respectively 54.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 51.4 ° and 48.6 °, can reduce the rotational noise 4dB of fan blade effectively.
As preferably, angle, 7 blade axle center is respectively 51.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 48.4 ° and 54.6 °, can reduce the rotational noise 4dB of fan blade effectively.
Adopted a kind of for the impeller on the air-conditioning of above-mentioned technological scheme, blade is 7, identical and the angle of the air intake angle angle of blade is not more than 7 °, the air-out angle angle of all blades is identical, air intake angle angle is less than air-out angle angle, air-out angle angle can effectively reduce noise between 25 °-35 °, noise reduces 1dB at least.Angle, blade axle center angle is all between 45 °-55 °, arbitrarily angle, adjacent blades axle center angle difference be not more than 8 ° and arbitrarily angle, blade axle center angle difference be not more than 9 °, can reduce the rotational noise of impeller effectively, especially can eliminate the noise spike at impeller rotation frequency multiplication place.Disconnected district is in the air intake direction of blade inboard, increases incoming air area, and air quantity increases.Connection area length accounts for the 52%-63% of vane tip length, can guarantee the bulk strength of impeller, can promote air quantity again.Air-admitting surface between the adjacent blades is the 63%-69% of the exhaust outlet area of correspondence arbitrarily, obtains good static pressure, and air intake efficiency improves 2% at least.This is novel structure for the impeller on the air-conditioning, and air quantity is big and noise is low.
Description of drawings
Fig. 1: the embodiment of the invention be used for blade wheel structure schematic representation on the air-conditioning.
Fig. 2: the schematic representation that is used for the impeller bottom surface on the air-conditioning of the embodiment of the invention.
Fig. 3: the impeller side schematic representation on the air-conditioning of being used for that baffle liner is not installed in the embodiment of the invention.
Fig. 4: the impeller plan view on the air-conditioning of being used for that baffle liner is not installed in the embodiment of the invention.
Embodiment
Make a detailed explanation below in conjunction with the specific embodiment of the present invention of Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4 a kind of for the impeller on the air-conditioning, comprise ring leaf base plate 1, wheel hub 2, blade 3 and baffle liner 4, blade 3 is fixed between ring leaf base plate 1 and the baffle liner 4, material-saving die cavity 31 is set in the blade 3, wheel hub 2 is connected as a single entity with ring leaf base plate 1 inboard, wheel hub 2 is concentric with ring leaf base plate 1, the top of wheel hub 2 is provided with the cylindrical plastic shaft hole sleeve 5 that is connected as a single entity with it, wheel hub 2 is provided with the arrangement of 22, seven radiation holes 22 of seven radiation holes equidistant rule centered by cylindrical plastic shaft hole sleeve 5.Ring leaf base plate 1 is provided with seven first stiffening ribs 11 and seven second stiffening ribs 12, and every first stiffening rib 11 is all along the edge setting of material-saving die cavity 31 openings, and the inner of the outer end of second stiffening rib 12 and first stiffening rib 11 is connected as a single entity.Be equipped with seven wheel hub stiffening ribs 21 on the bottom surface of wheel hub 2, the inner of every wheel hub stiffening rib 21 is all near the outer end of a radiation hole 22, and the outer end of wheel hub stiffening rib 21 extends on the ring leaf base plate 1 and is connected as a single entity with the inner of second stiffening rib 12.
All the inner and outer ends that are arranged in the blade on the ring leaf base plate 1 form circle and blade cylindrical in the blade respectively, and diameter of a circle is the diameter 60%-68% of blade cylindrical in the blade, and the diameter of blade cylindrical is between 420mm-480mm.Blade 3 tops are made of the connection area 32 that is connected as a single entity and disconnected district 33, the connection area 32 of blade and baffle liner 4 are fixed by ultrasonic welding, 32 places, connection area are provided with stiffener, baffle liner 4 is provided with the auxiliary stiffener with stiffener position and structure matching, disconnected district 33 is in the air intake direction of blade 3 inboards, connection area 32 is in the outside in disconnected district 33, connection area 32 length account for the 52%-63% of blade 3 top length, can guarantee the intensity that is connected of blade 3 and baffle liner 4, lifting air quantity that again can be suitable, the tie point in connection area 32 and disconnected district 33 is that the highest point of blade 3 is the summit, air-admitting surface between the adjacent blades 3 is the 63%-69% of the exhaust outlet area of correspondence arbitrarily, and can obtain best static pressure when the air-admitting surface between any adjacent blades 3 is the 66%-66.5% of corresponding exhaust outlet area, air intake efficiency improves 4% at least.Circular diameter is the 35%-45% of outside diameter in the described ring leaf base plate 1.
The blade medial extremity is that air intake and blade outboard end are that the outlet air end height maintains an equal level, the height of blade outboard end is the 81%-85% of blade apex height, wheel hub 2 highly is the 68%-74% of impeller sidepiece height, wheel hub 2 highly is the 50%-54% of impeller sidepiece height, described impeller sidepiece height is ring leaf base plate 1, whole height after blade 3 and baffle liner 4 assemblings are finished, the width of baffle liner 4 is 98%-95% of baffle liner 4 height, the height of baffle liner 4 is 50%-60% of blade exhaust outlet height, guide face on the baffle liner 4 is connected and composed by three sections arc shaped surfaces, and the radius of the radian value of three sections arc shaped surfaces from top to bottom increases gradually.Adopt above-mentioned preference data to increase by 2% air quantity at least and noise rises not obvious.
32 places, connection area are provided with stiffener, and baffle liner is provided with the auxiliary stiffener with stiffener position and structure matching, and stiffener is projection, auxiliary stiffener is the groove that mates with projection, in like manner, stiffener also can be groove, and auxiliary stiffener is the projection that mates with groove.
Above-mentioned parameter for the impeller the best on the air-conditioning is as follows, and air intake angle angle is 1 °, and the air-out angle is 30 °, and angle, 7 blade axle center is 54.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 51.4 ° and 48.6 ° successively.Circular diameter is 310.2mm in the blade, the blade outside diameter is 481.2mm, the thickness size of blade 3 is no more than 25mm, blade 3 top length are 160.2mm, the height of blade exhaust outlet is 98.3mm, connection area 32 length are 95.4mm, the height 98.3mm of blade outboard end, and the height of the tie point in connection area 32 and disconnected district 33 is 117.7mm.Circular diameter is 178.1mm in the ring leaf base plate 1, and ring leaf base plate 1 outside diameter is 481.2mm; Impeller sidepiece height is 136.3mm, and wheel hub 2 highly is 96.8mm, and the height of baffle liner 4 is 55.3mm, and the width of baffle liner 4 is 51.6mm, and the radius of the radian value of three sections arc shaped surfaces from top to bottom is 15.5mm, 42.7mm and 91.6mm successively.
Angle, above-mentioned 7 blade axle center can also be 51.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 48.4 ° and 54.6 ° successively.Adopt the impeller on the air-conditioning of being used for of said structure and parameter, under the prerequisite that air quantity increases, effectively reduced noise, in the market Dimensions similarly be used for its air quantity of impeller on the air-conditioning generally be 2200 cubic metres per hour, noise generally is 49 decibels, adopt above-mentioned parameter be used for its air quantity of impeller on the air-conditioning be 2200 cubic metres per hour, noise is 43 decibels, and namely air quantity is big and noise is low.
Claims (7)
1. impeller that is used on the air-conditioning, comprise ring leaf base plate, wheel hub, blade and baffle liner, vanes fixed is between ring leaf base plate and baffle liner, the material-saving die cavity is set in the blade, wheel hub and ring leaf base plate inboard are connected as a single entity, wheel hub is concentric with ring leaf base plate, the top of described wheel hub is provided with the cylindrical plastic shaft hole sleeve that is connected as a single entity with it, wheel hub is provided with a plurality of radiation holes, it is characterized in that described blade is 7, and the air intake angle angle of all blades is identical, and air intake angle angle is not more than 7 °, the air-out angle angle of all blades is identical, and air intake angle angle is less than air-out angle angle, and air-out angle angle is between 25 °-35 °; Angle, blade axle center angle difference between the adjacent blades, angle, described blade axle center angle is all between 45 °-55 °, angle, blade axle center is that two blades and axle center radius constitute angle, arbitrarily angle, adjacent blades axle center angle difference be not more than 8 ° and arbitrarily angle, blade axle center angle difference be not more than 9 °; All the inner and outer ends that are arranged in the blade on the ring leaf base plate form circle and blade cylindrical in the blade respectively, and diameter of a circle is the diameter 60%-68% of blade cylindrical in the blade, and the diameter of blade cylindrical is between 420mm-480mm; Blade top is made of the connection area that is connected as a single entity and disconnected district, and connection area and the baffle liner of blade are fixed by ultrasonic welding, and the place, connection area is provided with stiffener, and baffle liner is provided with the auxiliary stiffener with stiffener position and structure matching; Disconnected district is in the air intake direction of blade inboard, the connection area is in the outside in disconnected district, connection area length accounts for the 52%-63% of vane tip length, the tie point in connection area and disconnected district is that the highest point of blade is the summit, and the air-admitting surface between the adjacent blades is the 63%-69% of the exhaust outlet area of correspondence arbitrarily; Circular diameter is the 35%-45% of outside diameter in the described ring leaf base plate.
2. according to claim 1 a kind of for the impeller on the air-conditioning, it is characterized in that the blade medial extremity is that air intake and blade outboard end are that the outlet air end height maintains an equal level, the height of blade outboard end is the 81%-85% of blade apex height; Air-admitting surface between the adjacent blades is the 66%-66.5% of the exhaust outlet area of correspondence arbitrarily; Hub height is the 68%-74% of impeller sidepiece height; Hub height is the 50%-54% of impeller sidepiece height, and described impeller sidepiece height is the whole height of ring leaf base plate, blade and baffle liner; The width of described baffle liner is the 98%-95% of baffle liner height, and the height of baffle liner is the 50%-60% of blade exhaust outlet height, and the guide face on the baffle liner is connected and composed by three sections arc shaped surfaces, and the radius of the radian value of three sections arc shaped surfaces from top to bottom increases gradually.
3. according to claim 2 a kind of for the impeller on the air-conditioning, it is characterized in that circular diameter is 310.2mm in the blade, the blade outside diameter is 481.2mm, and the thickness size of blade is no more than 25mm, vane tip length is 160.2mm, and the height of blade exhaust outlet is 98.3mm; Connection area length is 95.4mm, the height 98.3mm of blade outboard end, and the height of the tie point in connection area and disconnected district is 117.7mm; Circular diameter is 178.1mm in the ring leaf base plate, and ring leaf base plate outside diameter is 481.2mm; Impeller sidepiece height is 136.3mm, and hub height is 97.8mm, and the height of baffle liner is 55.3mm, and the width of baffle liner is 51.6mm, and the radius of the radian value of three sections arc shaped surfaces from top to bottom is 15.5mm, 42.7mm and 91.6mm successively.
4. according to claim 1 a kind of for the impeller on the air-conditioning, it is characterized in that described radiation hole is seven; Described ring leaf base plate is provided with seven first stiffening ribs and seven second stiffening ribs, and every first stiffening rib is all along the edge setting of material-saving die cavity opening, and the inner of the outer end of second stiffening rib and first stiffening rib is connected as a single entity; Be equipped with seven wheel hub stiffening ribs on the bottom surface of wheel hub, the inner of every wheel hub stiffening rib is all near the outer end of a radiation hole, and the outer end of wheel hub stiffening rib extends on the ring leaf base plate and is connected as a single entity with the inner of second stiffening rib.
5. according to claim 1 a kind of for the impeller on the air-conditioning, it is characterized in that the air intake angle is the blade air intake surface with the opposite tangent direction of fan blade sense of rotation and the angle of blade air intake surface circular arc tangential line, the air-out angle is the blade outlet air surface with the opposite tangent direction of fan blade sense of rotation and the angle of blade outlet air surface circular arc tangential line; Air intake angle angle is 0 ° or 1 °, and the air-out angle is 30 °.
6. according to claim 1 a kind of for the impeller on the air-conditioning, it is characterized in that angle, 7 blade axle center is respectively 54.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 51.4 ° and 48.6 °.
7. according to claim 1 a kind of for the impeller on the air-conditioning, it is characterized in that angle, 7 blade axle center is respectively 51.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 48.4 ° and 54.6 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114089.XA CN103195752B (en) | 2013-04-03 | 2013-04-03 | A kind of impeller on air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114089.XA CN103195752B (en) | 2013-04-03 | 2013-04-03 | A kind of impeller on air-conditioning |
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| Publication Number | Publication Date |
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| CN103195752A true CN103195752A (en) | 2013-07-10 |
| CN103195752B CN103195752B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310114089.XA Active CN103195752B (en) | 2013-04-03 | 2013-04-03 | A kind of impeller on air-conditioning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642856A (en) * | 2017-09-27 | 2018-01-30 | 珠海格力电器股份有限公司 | Air conditioner and installation method |
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|---|---|---|---|---|
| CN101099044A (en) * | 2005-10-06 | 2008-01-02 | 三菱电机株式会社 | Turbo fan and air conditioner |
| US20080159865A1 (en) * | 2006-12-29 | 2008-07-03 | Lg Electronics Inc. | Fan |
| JP2010133254A (en) * | 2008-12-02 | 2010-06-17 | Daikin Ind Ltd | Centrifugal blower, and air conditioner provided with the same |
| CN101960150A (en) * | 2008-04-18 | 2011-01-26 | 三菱电机株式会社 | Turbofan and air conditioner |
| CN201747672U (en) * | 2010-06-21 | 2011-02-16 | 珠海格力电器股份有限公司 | Centrifugal wind wheel |
| JP2011149367A (en) * | 2010-01-22 | 2011-08-04 | Mitsubishi Electric Corp | Turbo fan, and air conditioner equipped therewith |
| CN202659569U (en) * | 2012-06-08 | 2013-01-09 | 上海日用-友捷汽车电气有限公司 | Fan blade with high air quantity and low noise |
| CN203175972U (en) * | 2013-04-03 | 2013-09-04 | 宁波朗迪叶轮机械有限公司 | Vane wheel used on air conditioner |
-
2013
- 2013-04-03 CN CN201310114089.XA patent/CN103195752B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099044A (en) * | 2005-10-06 | 2008-01-02 | 三菱电机株式会社 | Turbo fan and air conditioner |
| US20080159865A1 (en) * | 2006-12-29 | 2008-07-03 | Lg Electronics Inc. | Fan |
| CN101960150A (en) * | 2008-04-18 | 2011-01-26 | 三菱电机株式会社 | Turbofan and air conditioner |
| JP2010133254A (en) * | 2008-12-02 | 2010-06-17 | Daikin Ind Ltd | Centrifugal blower, and air conditioner provided with the same |
| JP2011149367A (en) * | 2010-01-22 | 2011-08-04 | Mitsubishi Electric Corp | Turbo fan, and air conditioner equipped therewith |
| CN201747672U (en) * | 2010-06-21 | 2011-02-16 | 珠海格力电器股份有限公司 | Centrifugal wind wheel |
| CN202659569U (en) * | 2012-06-08 | 2013-01-09 | 上海日用-友捷汽车电气有限公司 | Fan blade with high air quantity and low noise |
| CN203175972U (en) * | 2013-04-03 | 2013-09-04 | 宁波朗迪叶轮机械有限公司 | Vane wheel used on air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642856A (en) * | 2017-09-27 | 2018-01-30 | 珠海格力电器股份有限公司 | Air conditioner and installation method |
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| CN103195752B (en) | 2015-11-18 |
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