CN103195752B - A kind of impeller on air-conditioning - Google Patents
A kind of impeller on air-conditioning Download PDFInfo
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- CN103195752B CN103195752B CN201310114089.XA CN201310114089A CN103195752B CN 103195752 B CN103195752 B CN 103195752B CN 201310114089 A CN201310114089 A CN 201310114089A CN 103195752 B CN103195752 B CN 103195752B
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Abstract
The present invention relates to field of ventilation equipment.An impeller on air-conditioning, comprises ring leaf base plate, wheel hub, blade and baffle liner, and blade is 7, and air intake angle angle is not more than 7 °, and air-out angle angle is between 25 °-35 °; Angle, blade axle center angle between adjacent blades is different; Blade top is made up of the connection area be connected as a single entity and disconnected district, and connection area length accounts for the 52%-63% of vane tip length, and the air-admitting surface between arbitrary neighborhood blade is the 63%-69% of corresponding exhaust outlet area.This impeller on air-conditioning be novel structure, air quantity is large and noise is low.
Description
Technical field
The present invention relates to field of ventilation equipment, particularly relate to a kind of impeller on air-conditioning.
Background technique
Impeller is product conventional on air-conditioning, impeller on air-conditioning comprises ring leaf base plate, wheel hub, blade and baffle liner, blade is fixed between ring leaf base plate and baffle liner, be connected as a single entity inside wheel hub and ring leaf base plate, wheel hub is concentric with ring leaf base plate, the center of hub top arranges axle sleeve, and during use, motor shaft rotates through axle sleeve upper shaft hole impeller.The usability of the impeller on air-conditioning is mainly reflected in air force and noise control aspect, air force and noise height are mutual, the large noise of general air quantity is relatively just high, the little noise of air quantity is naturally low, the parameter that the usability of the impeller on air-conditioning relates to is a lot, the shape of such as leaf base plate, wheel hub, blade and baffle liner, size and Placement etc.The very rational impeller on air-conditioning of air force and noise control is in the market few.
Summary of the invention
The object of the invention is the kind in order to enrich the impeller on air-conditioning, disclosing a kind of novel structure, the large and impeller on air-conditioning that noise is low of air quantity.
In order to realize above-mentioned object, present invention employs following technological scheme:
A kind of impeller on air-conditioning, comprise ring leaf base plate, wheel hub, blade and baffle liner, blade is fixed between ring leaf base plate and baffle liner, material-saving die cavity is set in blade, be connected as a single entity inside wheel hub and ring leaf base plate, wheel hub is concentric with ring leaf base plate, the top of described wheel hub is provided with the cylindrical plastic shaft hole sleeve be connected as a single entity with it, wheel hub is provided with multiple radiation hole, described blade is 7, institute's vaned air intake angle angle is identical, and air intake angle angle is not more than 7 °, institute's vaned air-out angle angle is identical, air intake angle angle is less than air-out angle angle, air-out angle angle is between 25 °-35 °, angle, blade axle center angle between adjacent blades is different, angle, described blade axle center angle is all between 45 °-55 °, angle, blade axle center is that two blades and axle center radius form angle, and angle, arbitrary neighborhood blade axle center angle difference is not more than 8 ° and angle, blade axle center angle difference is not more than 9 ° arbitrarily, the inner and the outer end of all blades be arranged on ring leaf base plate form blade inner circle and blade cylindrical respectively, and in blade, diameter of a circle is the outer diameter of a circle 60%-68% of blade, and the outer diameter of a circle of blade is between 420mm-480mm, blade top is made up of the connection area be connected as a single entity and disconnected district, and connection area and the baffle liner of blade are fixed by ultrasonic welding, and connection area place is provided with stiffener, and baffle liner is provided with the auxiliary reinforcing element with stiffener position and structure matching, disconnected district is in the air intake direction inside blade, 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 highest point and the summit of blade, and the air-admitting surface between arbitrary neighborhood blade is the 63%-69% of corresponding exhaust outlet area, in described ring leaf base plate, circular diameter is the 35%-45% of outside diameter.
As preferably, blade medial extremity and air intake and blade outboard end and outlet air end height maintain an equal level, and the height of blade outboard end is the 81%-85% of blade apex height; Air-admitting surface between arbitrary neighborhood blade is the 66%-66.5% of corresponding exhaust outlet area, obtains best static pressure, and efficiency improves 4%; Impeller side 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 baffle liner is connected and composed by three sections of arc shaped surfaces, the radius of the radian value of three sections of arc shaped surfaces from top to bottom increases gradually, adopt above-mentioned preference data at least increase by 2% air quantity and noise rise not obvious.
As preferably, in blade, circular diameter is 310.2mm, and 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; In ring leaf base plate, circular diameter is 178.1mm, and ring leaf base plate outside diameter is 481.2mm; Impeller side 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 of arc shaped surfaces is from top to bottom 15.5mm, 42.7mm and 91.6mm successively, and utilization efficiency is best, and air quantity is maximum and noise is minimum.
As preferably, described radiation hole is seven; Described ring leaf base plate is provided with seven the first stiffening ribs and seven the second stiffening ribs, and every bar first stiffening rib is all arranged along the edge of material-saving die cavity opening, and the outer end of the second stiffening rib and the inner of the first stiffening rib are connected as a single entity; The bottom surface of wheel hub is equipped with seven wheel hub stiffening ribs, the inner of every bar wheel hub stiffening rib is all close to the outer end of a radiation hole, and the outer end of wheel hub stiffening rib to extend on ring leaf base plate and is connected as a single entity with the inner of the second stiffening rib.The intensity of leaf base plate and wheel hub is high.
As preferably, air intake angle is blade air intake surface with the angle of the contrary tangent direction in vane rotary direction and blade air intake surface circular arc tangential line, and air-out angle is blade outlet air surface with the angle of the contrary tangent direction in vane rotary direction and blade outlet air surface circular arc tangential line; Air intake angle angle is 0 ° or 1 °, and air-out angle is 30 °, air inlet/outlet most effective.
As preferably, angle, 7 blade axle center is 54.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 51.4 ° and 48.6 ° respectively, effectively can reduce the rotational noise 4dB of fan blade.
As preferably, angle, 7 blade axle center is 51.4 °, 51.4 °, 48.4 °, 54.4 °, 51.4 °, 48.4 ° and 54.6 ° respectively, effectively can reduce the rotational noise 4dB of fan blade.
Have employed a kind of impeller on air-conditioning of above-mentioned technological scheme, blade is 7, the air intake angle angle of blade is identical and angle is not more than 7 °, institute's vaned air-out angle angle is identical, air intake angle angle is less than air-out angle angle, air-out angle angle is between 25 °-35 °, and effectively can reduce noise, noise at least reduces 1dB.Angle, blade axle center angle is all between 45 °-55 °, angle, arbitrary neighborhood blade axle center angle difference is not more than 8 ° and angle, blade axle center angle difference is not more than 9 ° arbitrarily, effectively can reduce the rotational noise of impeller, especially can eliminate the noise spike at vane rotary frequency multiplication place.Disconnected district is in the air intake direction inside blade, increases incoming air area, and air quantity increases.Connection area length accounts for the 52%-63% of vane tip length, can ensure the bulk strength of impeller, can promote air quantity again.Air-admitting surface between arbitrary neighborhood blade is the 63%-69% of corresponding exhaust outlet area, and obtain good static pressure, air intake efficiency at least improves 2%.This impeller on air-conditioning be novel structure, air quantity is large and noise is low.
Accompanying drawing explanation
Fig. 1: the blade wheel structure schematic diagram on air-conditioning of the embodiment of the present invention.
Fig. 2: the schematic diagram of the impeller bottom surface on air-conditioning of the embodiment of the present invention.
Fig. 3: the impeller side schematic diagram on air-conditioning not installing baffle liner in the embodiment of the present invention.
Fig. 4: the impeller plan view on air-conditioning not installing baffle liner in the embodiment of the present invention.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the specific embodiment of the present invention is made a detailed explanation.
A kind of impeller on air-conditioning as shown in Figure 1, Figure 2, Figure 3 and Figure 4, 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 baffle liner 4, material-saving die cavity 31 is set in blade 3, be connected as a single entity inside wheel hub 2 and ring leaf base plate 1, 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 be connected as a single entity with it, wheel hub 2 is provided with the arrangement of seven radiation holes, 22, seven radiation holes 22 equidistant rule centered by cylindrical plastic shaft hole sleeve 5.Ring leaf base plate 1 is provided with seven the first stiffening ribs 11 and seven the second stiffening ribs 12, and every bar first stiffening rib 11 is all arranged along the edge of material-saving die cavity 31 opening, and the outer end of the second stiffening rib 12 and the inner of the first stiffening rib 11 are connected as a single entity.The bottom surface of wheel hub 2 is equipped with seven wheel hub stiffening ribs 21, the inner of every bar wheel hub stiffening rib 21 is all close to the outer end of a radiation hole 22, and the outer end of wheel hub stiffening rib 21 to extend on ring leaf base plate 1 and is connected as a single entity with the inner of the second stiffening rib 12.
Blade 3 is 7, institute's vaned air intake angle angle is identical, and air intake angle angle is not more than 7 °, institute's vaned air-out angle angle is identical, air intake angle angle is less than air-out angle angle, air-out angle angle is between 25 °-35 °, and air intake angle is blade air intake surface with the angle of the contrary tangent direction in vane rotary direction and blade air intake surface circular arc tangential line, and air-out angle is blade outlet air surface with the angle of the contrary tangent direction in vane rotary direction and blade outlet air surface circular arc tangential line.Angle, blade axle center angle between adjacent blades 3 is different, angle, described blade axle center angle is all between 45 °-55 °, angle, blade axle center is that two blades and axle center radius form angle, and angle, arbitrary neighborhood blade axle center angle difference is not more than 8 ° and angle, blade axle center angle difference is not more than 9 ° arbitrarily.Angle, blade axle center angle difference can reduce the rotational noise of fan blade effectively, and especially can eliminate the noise spike at vane rotary frequency multiplication place, the impeller for air-conditioning on identical relative to the angle, axle center of same Dimensions can reduce the rotational noise of impeller.
The inner and the outer end of all blades be arranged on ring leaf base plate 1 form blade inner circle and blade cylindrical respectively, and in blade, diameter of a circle is the outer diameter of a circle 60%-68% of blade, and the outer diameter of a circle of blade is between 420mm-480mm.Blade 3 top is made up of the connection area 32 be connected as a single entity and disconnected district 33, connection area 32 and the baffle liner 4 of blade are fixed by ultrasonic welding, connection area 32 place is provided with stiffener, baffle liner 4 is provided with the auxiliary reinforcing element with stiffener position and structure matching, disconnected district 33 is in the air intake direction inside blade 3, connection area 32 is in the outside in disconnected district 33, connection area 32 length accounts for the 52%-63% of blade 3 top length, the intensity of the connection of blade 3 and baffle liner 4 can be ensured, lifting air quantity that again can be suitable, the tie point in connection area 32 and disconnected district 33 is highest point and the summit of blade 3, air-admitting surface between arbitrary neighborhood blade 3 is the 63%-69% of corresponding exhaust outlet area, and the air-admitting surface between arbitrary neighborhood blade 3 can obtain best static pressure when being the 66%-66.5% of the exhaust outlet area of correspondence, air intake efficiency at least improves 4%.In described ring leaf base plate 1, circular diameter is the 35%-45% of outside diameter.
Blade medial extremity and air intake and blade outboard end and outlet air end height maintain an equal level, the height of blade outboard end is the 81%-85% of blade apex height, wheel hub 2 height is the 68%-74% of impeller side height, wheel hub 2 height is the 50%-54% of impeller side height, described impeller side height is ring leaf base plate 1, whole height after blade 3 and baffle liner 4 have assembled, 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 baffle liner 4 is connected and composed by three sections of arc shaped surfaces, the radius of the radian value of three sections of arc shaped surfaces from top to bottom increases gradually.Adopt above-mentioned preference data at least increase by 2% air quantity and noise rise not obvious.
Connection area 32 place is provided with stiffener, and baffle liner is provided with the auxiliary reinforcing element with stiffener position and structure matching, and stiffener is projection, auxiliary reinforcing element is the groove mated with projection, in like manner, stiffener also can be groove, and auxiliary reinforcing element is the projection with matching grooves.
The parameter of above-mentioned impeller the best on air-conditioning is as follows, and air intake angle angle is 1 °, and 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.In blade, circular diameter is 310.2mm, blade outside diameter is 481.2mm, the thickness size of blade 3 is no more than 25mm, blade 3 top length is 160.2mm, the height of blade exhaust outlet is 98.3mm, connection area 32 length is 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.In ring leaf base plate 1, circular diameter is 178.1mm, and ring leaf base plate 1 outside diameter is 481.2mm; Impeller side height is 136.3mm, and wheel hub 2 height 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 of arc shaped surfaces is from top to bottom 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 air-conditioning of said structure and parameter, noise is effectively reduced under the prerequisite that air quantity increases, its air quantity of the impeller on air-conditioning that Dimensions is similar be in the market generally 2200 cubic metres per hour, noise is generally 49 decibels, adopt its air quantity of the impeller on air-conditioning of above-mentioned parameter be 2200 cubic metres per hour, noise is 43 decibels, and namely air quantity is large and noise is low.
Claims (2)
1. the impeller on air-conditioning, comprise ring leaf base plate, wheel hub, blade and baffle liner, blade is fixed between ring leaf base plate and baffle liner, material-saving die cavity is set in blade, be connected as a single entity inside wheel hub and ring leaf base plate, wheel hub is concentric with ring leaf base plate, the top of described wheel hub is provided with the cylindrical plastic shaft hole sleeve be connected as a single entity with it, wheel hub is provided with multiple radiation hole, it is characterized in that described blade is 7, institute's vaned air intake angle angle is identical, and air intake angle angle is not more than 7 °, institute's vaned air-out angle angle is identical, air intake angle angle is less than air-out angle angle, air-out angle angle is between 25 °-35 °, angle, blade axle center angle between adjacent blades is different, angle, described blade axle center angle is all between 45 °-55 °, angle, blade axle center is that two blades and axle center radius form angle, and angle, arbitrary neighborhood blade axle center angle difference is not more than 8 ° and angle, blade axle center angle difference is not more than 9 ° arbitrarily, the inner and the outer end of all blades be arranged on ring leaf base plate form blade inner circle and blade cylindrical respectively, and in blade, diameter of a circle is the 60%-68% of the outer diameter of a circle of blade, and the outer diameter of a circle of blade is between 420mm-480mm, blade top is made up of the connection area be connected as a single entity and disconnected district, and connection area and the baffle liner of blade are fixed by ultrasonic welding, and connection area place is provided with stiffener, and baffle liner is provided with the auxiliary reinforcing element with stiffener position and structure matching, disconnected district is in the air intake direction inside blade, 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 highest point and the summit of blade, and the air-admitting surface between arbitrary neighborhood blade is the 63%-69% of corresponding exhaust outlet area, in described ring leaf base plate, circular diameter is the 35%-45% of outside diameter, blade medial extremity and air intake and blade outboard end and outlet air end height maintain an equal level, and the height of blade outboard end is the 81%-85% of blade apex height, described impeller side 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 baffle liner is connected and composed by three sections of arc shaped surfaces, and the radius of the radian value of three sections of arc shaped surfaces from top to bottom increases gradually, air intake angle is blade air intake surface with the angle of the contrary tangent direction in vane rotary direction and blade air intake surface circular arc tangential line, and air-out angle is blade outlet air surface with the angle of the contrary tangent direction in vane rotary direction and blade outlet air surface circular arc tangential line.
2. a kind of impeller on air-conditioning according to claim 1, is characterized in that described radiation hole is seven; Described ring leaf base plate is provided with seven the first stiffening ribs and seven the second stiffening ribs, and every bar first stiffening rib is all arranged along the edge of material-saving die cavity opening, and the outer end of the second stiffening rib and the inner of the first stiffening rib are connected as a single entity; The bottom surface of wheel hub is equipped with seven wheel hub stiffening ribs, the inner of every bar wheel hub stiffening rib is all close to the outer end of a radiation hole, and the outer end of wheel hub stiffening rib to extend on ring leaf base plate and is connected as a single entity with the inner of the second stiffening rib.
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| CN201310114089.XA CN103195752B (en) | 2013-04-03 | 2013-04-03 | A kind of impeller on air-conditioning |
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| CN201310114089.XA CN103195752B (en) | 2013-04-03 | 2013-04-03 | A kind of impeller on air-conditioning |
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| CN103195752A CN103195752A (en) | 2013-07-10 |
| CN103195752B true CN103195752B (en) | 2015-11-18 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107642856A (en) * | 2017-09-27 | 2018-01-30 | 珠海格力电器股份有限公司 | Air conditioner and mounting method |
Citations (7)
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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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100847523B1 (en) * | 2006-12-29 | 2008-07-22 | 엘지전자 주식회사 | Turbo fan |
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2013
- 2013-04-03 CN CN201310114089.XA patent/CN103195752B/en active Active
Patent Citations (7)
| 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 |
| 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 |
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