CN204283989U - Centrifugal blower and air conditioner using same - Google Patents
Centrifugal blower and air conditioner using same Download PDFInfo
- Publication number
- CN204283989U CN204283989U CN201420273190.XU CN201420273190U CN204283989U CN 204283989 U CN204283989 U CN 204283989U CN 201420273190 U CN201420273190 U CN 201420273190U CN 204283989 U CN204283989 U CN 204283989U
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- centrifugal blower
- hub
- chassis
- radiation hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005855 radiation Effects 0.000 claims description 25
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 230000007704 transition Effects 0.000 abstract 1
- 238000005119 centrifugation Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a centrifugal forced draught blower and air conditioner, include: the hub is provided with a bell-shaped outline, a plurality of radiating holes are formed in the hub, and a hub chassis is formed at the bottom edge of the hub; the blades are arranged around the hub and positioned at the periphery of the hub chassis; in particular, the heat dissipation holes extend along the bell-shaped profile of the hub, extend in the radial direction of the hub to the hub chassis and are in close proximity to the inner edges of the blades; and the connection surface of the heat dissipation hole and the hub chassis is in smooth transition.
Description
Technical field
The utility model relates to air conditioner field, is specifically related to the centrifugal blower for air conditioner.
Background technique
The air conditioner of low cost, high energy efficiency, low noise becomes the Research Emphasis of each air-conditioning producer, wherein the air circulation of centrifugal blower is one of factor directly affecting air-conditioning Energy Efficiency Ratio, and the air-conditioning of low noise also can bring competitive advantage for product, therefore improve by improving centrifugal blower the Main way that heat pump performance is research and development.
As shown in Fig. 1 and Fig. 1 a, the centrifugal wind wheel in patent CN201285756Y, the radiation hole 31b on wheel hub 31 extends to the bottom of wheel hub 31 along the bell profile of wheel hub 31 from the top of wheel hub 31.Radiation hole 31b extends to 31a place, wheel hub chassis along the elongated area of the radial direction of wheel hub 31 always, and is close to the wheel hub of inner edge at bell profile of blade 32, and support ring 33 is set on blade 32.To solve the flow-disturbing that radiation hole causes so, but in this patent formula, the surface of contact on radiation hole and wheel hub chassis is stepped shape, and air-out goes out can form backflow at step surface, carries out producing flow-disturbing, affects air-out efficiency.
Model utility content
The purpose of this utility model is the centrifugal blower providing a kind of architecture advances in order to overcome above-mentioned technical problem, comprising: the wheel hub with bell profile, wheel hub offers multiple radiation hole and the bottom margin place of wheel hub is formed with wheel hub chassis; Blade, to be arranged on around wheel hub and to be positioned at the periphery on wheel hub chassis; Especially, radiation hole extends along the bell profile of wheel hub, and radiation hole extends to wheel hub chassis along the radial direction of wheel hub, and is close to the inner edge of fan blade, and the junction surface on described radiation hole and wheel hub chassis seamlessly transits.
Preferably, according to centrifugal blower of the present utility model, wherein, the junction surface on radiation hole and wheel hub chassis is arc shaped surface.
Preferably, according to centrifugal blower of the present utility model, wherein, the junction surface on radiation hole and wheel hub chassis is clinoplain.
Preferably, according to centrifugal blower of the present utility model, wherein, the junction surface on radiation hole and wheel hub chassis is clinoplain, and angle of inclination is not more than 60 °.
Preferably, according to centrifugal blower of the present utility model, wherein, the junction surface on radiation hole and wheel hub chassis is clinoplain, and angle of inclination is 45 °.
Preferably, according to centrifugal blower of the present utility model, wherein, the junction surface on radiation hole and wheel hub chassis is clinoplain, and angle of inclination is 30.
Additionally provide a kind of air conditioner according to a further aspect in the invention, this air conditioner comprises above-mentioned centrifugal blower.The utility model has following technique effect:
Seamlessly transit according to the radiation hole of centrifugal blower of the present utility model and the junction at wheel hub chassis place, thus eliminate the backflow phenomenon of air-flow at junction plane place, reduce flow noise, improve air-out efficiency.
Should be appreciated that, above generality describes and the following detailed description is all enumerated and illustrative, and object is to provide further instruction to claimed the utility model.
Accompanying drawing explanation
Accompanying drawing forms the part of this specification, understands the utility model further for helping.These accompanying drawings illustrate embodiment of the present utility model, and are used for principle of the present utility model is described together with specification.The same or analogous label of same or analogous parts represents in the accompanying drawings.In accompanying drawing:
The master that Fig. 1 shows centrifugal blower of the prior art looks cross-sectional schematic;
Fig. 1 a shows the partial enlarged drawing of the centrifugation blade junction surface of the gas fan of Fig. 1;
Fig. 2 shows and looks cross-sectional schematic according to the master of the centrifugal blower of the utility model preferred embodiment;
It is the partial enlarged drawing of arc shaped surface that Fig. 2 a shows according to the centrifugation blade junction surface of the centrifugal blower of the utility model preferred embodiment;
It is the partial enlarged drawing of clinoplain that Fig. 2 b shows according to the centrifugation blade junction surface of the centrifugal blower of the utility model preferred embodiment.
Embodiment
And describe embodiment of the present utility model in conjunction with specific embodiments below with reference to the accompanying drawings.
With reference to Fig. 2 to Fig. 2 b, show the structural representation of the centrifugal blower according to the utility model preferred embodiment.This centrifugal blower comprises centrifugation blade assembly 3 and is arranged on the motor 4 of centrifugation blade assembly 3 inside and outside spiral case 2, and motor 4 is for providing the power driving centrifugation blade assembly 3 to rotate.Centrifugation blade assembly 3 comprises: the wheel hub 31 of bell profile, wheel hub 31 offers multiple radiation hole 31b, and the bottom margin place of wheel hub 31 is formed with wheel hub chassis 31a; Blade 32, is arranged on the surrounding of wheel hub 31 and is positioned at the periphery of wheel hub chassis 31a; And support ring 33, be set in blade 32 outer rim, for being fixedly connected with blade 32.Especially, according to centrifugal blower of the present utility model, the radiation hole 31b on wheel hub 31 extends to the bottom of wheel hub 31 along the bell profile of wheel hub 31 from the top of wheel hub 31.Radiation hole 31b extends to 31a place, wheel hub chassis along the elongated area of the radial direction of wheel hub 31 always, and is close to the inner edge of blade 32.The junction surface on radiation hole and wheel hub chassis seamlessly transits.As shown in Figure 2 a, the radiation hole in preferred the utility model and the junction surface on wheel hub chassis are arc shaped surface.
As shown in figure Fig. 2 b, the junction surface on the utility model radiation hole and wheel hub chassis is the plane tilted.By the discovery that studies for a long period of time of the present inventor, when the angle of inclination of clinoplain is less than or equal to 60 ° of angles, backflow can be improved preferably.At angle of inclination be 45 ° or 30 ° time backflow improvement amplitude larger.
It should be noted that according to spirit of the present utility model and essence, have employed according to the air conditioner of the centrifugal blower of model utility or other similar devices also within protection domain of the present utility model.
These are 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 do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a centrifugal blower, comprising:
There is the wheel hub (31) of bell profile, described wheel hub offers multiple radiation hole (31b) and the bottom margin place of described wheel hub is formed with wheel hub chassis (31a);
Blade (32), to be arranged on around described wheel hub and to be positioned at the periphery on described wheel hub chassis;
Described radiation hole extends along the bell profile of described wheel hub, and described radiation hole extends to described wheel hub chassis along the radial direction of described wheel hub, and is close to the inner edge of described blade;
It is characterized in that, the junction surface on described radiation hole and wheel hub chassis seamlessly transits.
2. centrifugal blower according to claim 1, is characterized in that, described radiation hole (31b) is clinoplain with the junction surface on wheel hub chassis (31a).
3. centrifugal blower according to claim 2, is characterized in that, the angle of inclination of described clinoplain is not more than 60 °.
4. centrifugal blower according to claim 3, is characterized in that, the angle of inclination of described clinoplain is 45 °.
5. centrifugal blower according to claim 3, is characterized in that, the angle of inclination of described clinoplain is 30 °.
6. an air conditioner, described air conditioner comprises the centrifugal blower according to any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273190.XU CN204283989U (en) | 2014-05-26 | 2014-05-26 | Centrifugal blower and air conditioner using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273190.XU CN204283989U (en) | 2014-05-26 | 2014-05-26 | Centrifugal blower and air conditioner using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283989U true CN204283989U (en) | 2015-04-22 |
Family
ID=52867154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420273190.XU Expired - Fee Related CN204283989U (en) | 2014-05-26 | 2014-05-26 | Centrifugal blower and air conditioner using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283989U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122085A (en) * | 2016-08-30 | 2016-11-16 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106122086A (en) * | 2016-08-30 | 2016-11-16 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106286386A (en) * | 2016-08-30 | 2017-01-04 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106369798A (en) * | 2016-08-30 | 2017-02-01 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and cabinet air conditioner |
-
2014
- 2014-05-26 CN CN201420273190.XU patent/CN204283989U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122085A (en) * | 2016-08-30 | 2016-11-16 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106122086A (en) * | 2016-08-30 | 2016-11-16 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106286386A (en) * | 2016-08-30 | 2017-01-04 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106369798A (en) * | 2016-08-30 | 2017-02-01 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and cabinet air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150422 |