CN103291661B - Noise reduction blower for vehicle air conditioning inlet windproof loop device - Google Patents
Noise reduction blower for vehicle air conditioning inlet windproof loop device Download PDFInfo
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- CN103291661B CN103291661B CN201310239371.0A CN201310239371A CN103291661B CN 103291661 B CN103291661 B CN 103291661B CN 201310239371 A CN201310239371 A CN 201310239371A CN 103291661 B CN103291661 B CN 103291661B
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- vane
- blower
- windproof
- noise reduction
- loop device
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Abstract
The invention discloses a kind of noise reduction blower for vehicle air conditioning inlet windproof loop device, comprise the spiral case be located on blower wheel, described spiral case is provided with intake grill and exhaust outlet, the edge of described intake grill extends to form the first anti-vane towards described spiral case internal protrusion.Wherein, described spiral case interior surface also projection is provided with the second anti-vane and the 3rd anti-vane, described second windproof ring set is located at the outer circumferential side of described first anti-vane, and holds spacing with the first anti-environmental protection, and described 3rd windproof hoop internal projection ring is located on the exhaust outlet of described spiral case.By adding noise reduction blower for vehicle air conditioning inlet windproof loop device of the present invention, traditional anti-vane of blower air intake one side can be made to change the anti-vane of two-sided anti-vane and bottom into, greatly reduce blower backflow wind to the impact of blower efficiency and air conditioner noises, and then add air-conditioning box air quantity and reduce circumfluence noise, improve air-conditioning box performance and car load travelling comfort.
Description
Technical field
The present invention relates to the technical field of air-conditioning box, particularly relate to a kind of noise reduction blower for vehicle air conditioning inlet windproof loop device.
Background technique
Under present stage, automobile industry competed the background of increasingly sharpening, Ge great automobile factory more and more emphasizes high-performance and the travelling comfort of car load, can release rapidly new model with in market share one seat to be to maintain the leading position in the competition of similar vehicle.High-performance refers under same or lower power consumpiton, can provide larger Conversion of Energy (freeze and heat), thus the result (freeze and heat) car load being obtained within the shorter time want, this is also the performance of energy-saving low-carbon simultaneously; Travelling comfort refers under guarantee high-performance prerequisite, provides larger comfortable feel, such as less noise and larger occupant space (same axis distance) to passenger.Therefore Ge great automobile vendor wishes that automobile component part supply commercial city can towards this future development.And for automobile air conditioning box, large air quantity and low noise particularly important for automobile vendor.
Present stage, as depicted in figs. 1 and 2, automobile air conditioning box designer is when designing air conditioner blower inlet means, it is all design (Fig. 1) traditional before continuing to use, but automobile air conditioning box design is at present more and more compacter, volume is more and more less, and the resistance of air-conditioning box also in continuous rising, thus proposes huge challenge to noise and performance.Therefore the design of traditional air conditioner blowing plant has been difficult to adapt to high windage air-conditioning box, and usually cause blower assy backflow sound that (Fig. 2) occurs, air-conditioning box air quantity declines, thus reduces air-conditioning box performance and travelling comfort.Blower backflow sound, the i.e. wind that bloats of blower (shown in the arrow in Fig. 2) when impeller top flows back to impeller, the desolate cry of formation.
Therefore, those skilled in the art is devoted to develop always and a kind ofly greatly can reduces blower backflow wind-fall and flow back to the noise that impeller produces, and improves the noise reduction blower for vehicle air conditioning inlet windproof loop device of blower efficiency.
Summary of the invention
Because the above-mentioned deficiency of prior art, the present invention proposes a kind ofly can reduce blower backflow wind-fall and flow back to the noise that impeller produces, and improves the noise reduction blower for vehicle air conditioning inlet windproof loop device of blower efficiency.
For achieving the above object, the invention provides a kind of noise reduction blower for vehicle air conditioning inlet windproof loop device, comprise the spiral case be located on blower wheel, described spiral case is provided with intake grill and exhaust outlet, the edge of described intake grill extends to form the first anti-vane towards described spiral case internal protrusion.Wherein, described spiral case interior surface also projection is provided with the second anti-vane and the 3rd anti-vane, described second windproof ring set is located at the outer circumferential side of described first anti-vane, and holds spacing with the first anti-environmental protection, and described 3rd windproof hoop internal projection ring is located on the exhaust outlet of described spiral case.
As a further improvement on the present invention, the down suction at described first anti-vane and described blower wheel top is 4mm-6mm.The down suction at described second anti-vane and described blower wheel top is 3mm-4mm.Described 3rd anti-vane exceeds the perpendicular distance 3mm-4mm bottom described blower wheel.
As a further improvement on the present invention, described first anti-vane is the annulus that radius is less than described blower wheel radius.Described second anti-vane is the annulus that radius is greater than described blower wheel radius.Described 3rd anti-vane is the annulus that radius is greater than described blower wheel radius.
As a further improvement on the present invention, described second anti-vane and described first anti-environmental protection hold spacing is 15mm.
The beneficial effect that noise reduction blower for vehicle air conditioning inlet windproof loop device of the present invention has is as follows:
1. the first windproof ring design: the basis of design is with the vane inlet end of blower wheel for boundary, and inwardly arranging the first anti-vane at the intake grill edge of spiral case, is 4mm-6mm with the down suction of blower wheel.The benefit done like this is, blade is used in maximum efficiency when extracting wind, and then improves the air quantity of air-conditioning box.
2. the second windproof ring design: the basis of design is for boundary with blower wheel top outer diameter, in spiral case interior surface projection, the second anti-vane is set, and described second windproof ring set is located at the outer circumferential side of described first anti-vane, the down suction at the second anti-vane and described blower wheel top is 3mm-4mm, is 15mm with the gap of described first anti-vane.The object done like this is, between described intake grill and described spiral case, produce zone of high pressure, makes backflow wind be difficult to pass through.
3. the 3rd windproof ring design: the basis of design is that described 3rd windproof hoop internal projection ring is located on the exhaust outlet of described spiral case, and exceeds the perpendicular distance 3mm-4mm bottom described blower wheel with wheel bottom external diameter for boundary arranges the 3rd anti-vane of bottom.The object done like this is, stops bottom to reflux at a high speed wind to the impact of impeller.
In sum, by adding noise reduction blower for vehicle air conditioning inlet windproof loop device of the present invention, traditional anti-vane of blower air intake one side can be made to change the anti-vane of two-sided anti-vane and bottom into, greatly reduce blower backflow wind to the impact of blower efficiency and air conditioner noises, and then add air-conditioning box air quantity and reduce circumfluence noise, improve air-conditioning box performance and car load travelling comfort.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the complete section structural representation of conventional fan inlet windproof loop device.
Fig. 2 is the backflow wind forming process schematic diagram of conventional fan inlet windproof loop device.
Fig. 3 is the complete section structural representation of the present embodiment noise reduction blower for vehicle air conditioning inlet windproof loop device.
Fig. 4 is complete section structural representation when the present invention designs the first anti-vane.
Fig. 5 is complete section structural representation when the present invention designs the second anti-vane.
Fig. 6 is complete section structural representation when the present invention designs the 3rd anti-vane.
Embodiment
Fig. 3 is the complete section structural representation of the present embodiment noise reduction blower for vehicle air conditioning inlet windproof loop device.As shown in Figure 3, the present embodiment proposes a kind of noise reduction blower for vehicle air conditioning inlet windproof loop device, comprise the spiral case 2 be located on blower wheel 1, spiral case 2 is provided with intake grill 3 and exhaust outlet 4, the edge of intake grill 3 extends to form the first anti-vane 5 towards spiral case 2 internal protrusion.Wherein, spiral case 2 interior surface also projection is provided with the outer circumferential side that the second anti-vane 6 and the anti-vane 6 of the 3rd anti-vane 7, second are set in the first anti-vane 5, and keeps spacing with the first anti-vane 5, and the 3rd anti-vane 7 inwardly protruding ring is located on the exhaust outlet 4 of spiral case 2.
Fig. 4 is complete section structural representation when the present invention designs the first anti-vane.Shown in composition graphs 4, the first anti-vane 5 can be 4mm-6mm with the down suction H1 at blower wheel 1 top.Exemplary, as shown in Figure 4, H1 is 4mm in the present embodiment, the annulus of the first anti-vane 5 described blower wheel radius for radius is less than, the diameter D1 of the first anti-vane 5 is 110mm, blade is used in maximum efficiency when extracting wind, and then improves the air quantity of air-conditioning box.
Fig. 5 is complete section structural representation when the present invention designs the second anti-vane.Shown in composition graphs 5, the second anti-vane 6 is 3mm-4mm with the down suction H2 at described blower wheel 1 top.Exemplary, as shown in Figure 5, H2 is 3mm in the present embodiment, and the annulus of the second anti-vane 6 described blower wheel radius for radius is greater than, the diameter D2 of the second anti-vane 6 is 140mm.Concrete, second anti-vane 6 overlaps with the center of circle of the first anti-vane 5, second anti-vane 6 and the first anti-vane 5 keep spacing to be 15mm, more be convenient to the two-sided anti-vane forming zone of high pressure, make backflow wind be difficult to pass through, significantly reduce blower backflow wind to the impact of blower efficiency and air conditioner noises.
Fig. 6 is complete section structural representation when the present invention designs the 3rd anti-vane.Shown in composition graphs 6, the 3rd anti-vane 7 perpendicular distance H3 exceeded bottom blower wheel 1 is 3mm-4mm.Exemplary, as shown in Figure 6, H3 is in the present embodiment 3mm, the annulus of the 3rd anti-vane 7 described blower wheel radius for radius is greater than, and the diameter D3 of the 3rd anti-vane 7 is 133mm, stops bottom to reflux at a high speed wind to the impact of impeller further.
Of course, in other specific embodiments, concrete size and the relative position of described first anti-vane, the second anti-vane and the 3rd anti-vane all can suitably adjust according to actual needs, its ring-type also can adopt as required ellipse or other modes carry out around, repeat no more herein.
In conjunction with foregoing, known the present embodiment adds and defines unique two-sided anti-vane and the 3rd anti-vane of bottom, described two-sided anti-vane is difficult to making the backflow wind of blower inlet again by Spielpassung place, because two-sided anti-vane can produce zone of high pressure between blower inlet and blower spiral case, make wind be difficult to pass through, thus impeller is flowed back in reduction blower backflow wind-fall greatly.And the 3rd anti-vane of bottom can stop backflow wind to the impact of impeller further, thus improve the efficiency of blower.Therefore the present embodiment can reduce the generation of blower backflow sound greatly, this point, seems by for important for high-drag air-conditioning box.Meanwhile, along with effectively avoiding of wind backflow, the experiment proved that, the efficiency of blower also increases, and then the air quantity of air-conditioning box also increases.
Exemplary, noise contrast experiment is carried out by two groups of blowers of conventional fan inlet windproof loop device (before optimization) and the noise reduction blower for vehicle air conditioning inlet windproof loop device (optimize after) that adds this specific embodiment, further illustrate the beneficial effect of the present embodiment, experimental result is as shown in the table:
Therefore, by adding the noise reduction blower for vehicle air conditioning inlet windproof loop device of this specific embodiment, traditional anti-vane of blower air intake one side is made to change the anti-vane of two-sided anti-vane and bottom the 3rd into, greatly reduce blower backflow wind to the impact of blower efficiency and air conditioner noises, add air-conditioning box air quantity simultaneously and reduce circumfluence noise, improving air-conditioning box performance and car load travelling comfort.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment.
Claims (8)
1. a noise reduction blower for vehicle air conditioning inlet windproof loop device, comprise the spiral case be located on blower wheel, described spiral case is provided with intake grill and exhaust outlet, the edge of described intake grill extends to form the first anti-vane towards described spiral case internal protrusion, it is characterized in that, described spiral case interior surface also projection is provided with the second anti-vane and the 3rd anti-vane, described second anti-vane with blower wheel top outer diameter for boundary, and described second windproof ring set is located at the outer circumferential side of described first anti-vane, and hold spacing with the first anti-environmental protection, described 3rd windproof hoop internal projection ring is located on the exhaust outlet of described spiral case.
2. noise reduction blower for vehicle air conditioning inlet windproof loop device as claimed in claim 1, is characterized in that: the down suction at described first anti-vane and described blower wheel top is 4mm-6mm.
3. noise reduction blower for vehicle air conditioning inlet windproof loop device as claimed in claim 1, is characterized in that: the down suction at described second anti-vane and described blower wheel top is 3mm-4mm.
4. noise reduction blower for vehicle air conditioning inlet windproof loop device as claimed in claim 1, is characterized in that: described 3rd anti-vane exceeds the perpendicular distance 3mm-4mm bottom described blower wheel.
5. noise reduction blower for vehicle air conditioning inlet windproof loop device as claimed in claim 1, is characterized in that: described first anti-vane is the annulus that radius is less than described blower wheel radius.
6. noise reduction blower for vehicle air conditioning inlet windproof loop device as claimed in claim 1, is characterized in that: described second anti-vane is the annulus that radius is greater than described blower wheel radius.
7. noise reduction blower for vehicle air conditioning inlet windproof loop device as claimed in claim 1, is characterized in that: described 3rd anti-vane is the annulus that radius is greater than described blower wheel radius.
8. the noise reduction blower for vehicle air conditioning inlet windproof loop device as described in claim as arbitrary in claim 1 to 7, is characterized in that: it is 15mm that described second anti-vane and described first anti-environmental protection hold spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239371.0A CN103291661B (en) | 2013-06-17 | 2013-06-17 | Noise reduction blower for vehicle air conditioning inlet windproof loop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239371.0A CN103291661B (en) | 2013-06-17 | 2013-06-17 | Noise reduction blower for vehicle air conditioning inlet windproof loop device |
Publications (2)
| Publication Number | Publication Date |
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| CN103291661A CN103291661A (en) | 2013-09-11 |
| CN103291661B true CN103291661B (en) | 2016-01-06 |
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| CN201310239371.0A Expired - Fee Related CN103291661B (en) | 2013-06-17 | 2013-06-17 | Noise reduction blower for vehicle air conditioning inlet windproof loop device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10161417B2 (en) | 2015-05-08 | 2018-12-25 | Technologies Holdings Corp. | Fan and mounting bracket for an air mover |
| CN108223407A (en) * | 2017-12-29 | 2018-06-29 | 常州百壹电器科技有限公司 | Air blower |
| CN113639841A (en) * | 2020-05-11 | 2021-11-12 | 梅特勒-托利多(常州)精密仪器有限公司 | Integrated high-precision weighing module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378922A (en) * | 2006-02-01 | 2009-03-04 | 罗伯特·博世有限公司 | Cooling channel for automotive HVAC blower assembly |
| CN201891671U (en) * | 2010-11-24 | 2011-07-06 | 芜湖博耐尔汽车电气系统有限公司 | Matching structure of motor fan assembly and volute |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4978495B2 (en) * | 2008-02-08 | 2012-07-18 | 株式会社デンソー | Centrifugal multi-blade fan |
| JP2010019078A (en) * | 2008-07-08 | 2010-01-28 | Denso Corp | Blower |
| KR101609673B1 (en) * | 2010-05-27 | 2016-04-06 | 한온시스템 주식회사 | Blower Unit for Car Air Conditioning System |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378922A (en) * | 2006-02-01 | 2009-03-04 | 罗伯特·博世有限公司 | Cooling channel for automotive HVAC blower assembly |
| CN201891671U (en) * | 2010-11-24 | 2011-07-06 | 芜湖博耐尔汽车电气系统有限公司 | Matching structure of motor fan assembly and volute |
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Address after: 201206 Shanghai City, Pudong New Area Chinese Longqiao Road (Shanghai) Free Trade Zone No. 355 Patentee after: Shanghai Thermal System Co., Ltd. Address before: 201206 Shanghai city Pudong New Area Longqiao Road No. 355 Patentee before: Shanghai Behr Thermal Systems Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20190617 |