CN202833291U - Air cooling refrigerator, compact centrifugal fan and air supply system for air cooling refrigerator - Google Patents
Air cooling refrigerator, compact centrifugal fan and air supply system for air cooling refrigerator Download PDFInfo
- Publication number
- CN202833291U CN202833291U CN 201220367690 CN201220367690U CN202833291U CN 202833291 U CN202833291 U CN 202833291U CN 201220367690 CN201220367690 CN 201220367690 CN 201220367690 U CN201220367690 U CN 201220367690U CN 202833291 U CN202833291 U CN 202833291U
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- China
- Prior art keywords
- cooling refrigerator
- wheel hub
- motor
- wind cooling
- centrifugal blower
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Abstract
The utility model relates to an air cooling refrigerator, a compact centrifugal fan and an air supply system for the air cooling refrigerator. The centrifugal fan comprises a motor and a centrifugal wind wheel that is driven by the motor, wherein the centrifugal wind wheel comprises a hub and blades that are fixedly mounted on the hub; the hub is in a horn mouth shape; the motor is mounted in the hub; a rotor of the motor is fixedly connected with the hub; the air supply system comprises the centrifugal fan, an air duct and a refrigerator liner; and the air cooling refrigerator comprises the air supply system. The centrifugal fan is compact in structure and facilitates increasing a space of the refrigerator liner, the transmission efficiency is high, the structure is simple, the mounting procedures are fewer, the integrated modular supply mounting is facilitated, and the pneumatic noise arising from vibration can be reduced.
Description
Technical field
The utility model belongs to the refrigerator technical field, specifically, relates to a kind of wind cooling refrigerator with centrifugal blower, the supply air system that adopts this centrifugal blower and wind cooling refrigerator.
Background technique
Along with the refrigerator popularity rate raises, the user is more and more higher to the requirement of energy consumption of refrigerator and noise, and in order to improve the core competitiveness of product, the design of wind cooling refrigerator supply air system is being updated, need on the one hand constantly to reduce the shared space of supply air system, thereby increase the refrigerator volume; Need to when improving air quantity, reduce aerodynamic noise on the other hand.The centrifugal blower of existing wind cooling refrigerator comprises centrifugal wind wheel and motor, the mode that adopts motor shaft to connect between centrifugal wind wheel and the motor is carried out transmission, this mode has increased the axial dimension after the assembling of blower fan and motor, so that the shared bulk of supply air system is larger, has reduced the volume of refrigerator.Also can there be frictional loss in the kind of drive that axle connects, the energy consumptions such as shaft vibration loss, and there is loss in transmission efficiency, causes the efficient of blower fan and motor integral body not high, and simultaneously, shaft vibration also can cause the shortcomings such as aerodynamic noise is higher.
The model utility content
The purpose of this utility model is to provide a kind of compact type centrifugal blower for wind cooling refrigerator, has solved that the wind cooling refrigerator supply air system takes up room greatly, noise is high, energy consumption is large, inefficient problem.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of compact type centrifugal blower for wind cooling refrigerator, comprise motor and be subjected to motor-driven centrifugal wind wheel, described centrifugal wind wheel to comprise wheel hub and the blade that is installed on the wheel hub, described wheel hub is bell mouth shape, described motor is installed on wheel hub inside, and rotor is fixedly connected with wheel hub.
Motor described in the utility model can be external rotor electric machine or inner rotor motor, because the external rotor electric machine realization is fairly simple, thereby, being preferably external rotor electric machine, external rotor joins by fixing device and wheel hub.
More stable in order to allow wheel hub cooperate with motor, described wheel hub inside is formed with the staircase structural model that cooperates with the motor profile.
In order to guarantee rotor and wheel hub Concentric rotation in the centrifugal blower rotary course, be connected with concentric rotating shafts between described rotor and the wheel hub.
Preferably, the outer rim of described wheel hub is to the joint that radially extends into the support blade end.
Preferably, be fixed with the aerofoil that is connected with blade end on the described wheel hub.
Based on the design of above-mentioned compact type centrifugal blower for wind cooling refrigerator, the utility model also provides a kind of supply air system for wind cooling refrigerator, and described supply air system comprises centrifugal blower, air channel and inner container of icebox; Described centrifugal blower comprises motor and is subjected to motor-driven centrifugal wind wheel, described centrifugal wind wheel to comprise wheel hub and is installed in blade on the wheel hub that described wheel hub is bell mouth shape, and described motor is installed on wheel hub inside, and rotor joins by fixing device and wheel hub.
Preferably, described centrifugal blower is installed in an end in air channel by supporting structure.
Based on above-mentioned compact type centrifugal blower for wind cooling refrigerator and the design of supply air system, the utility model also provides a kind of wind cooling refrigerator, and described wind cooling refrigerator comprises supply air system, and described supply air system comprises centrifugal blower, air channel and inner container of icebox; Described centrifugal blower comprises motor and is subjected to motor-driven centrifugal wind wheel, described centrifugal wind wheel to comprise wheel hub and is installed in blade on the wheel hub that described wheel hub is bell mouth shape, and described motor is installed on wheel hub inside, and rotor joins by fixing device and wheel hub.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is embedded in the centrifugal blower wheel hub with motor, consists of the compact type centrifugal blower, compact structure, effectively save the space, reduced supply air system and taken up space, be conducive to increase the space of inner container of icebox.Simultaneously, wheel hub is bell mouth shape, and the air-flow that enters centrifugal wind wheel is had good water conservancy diversion effect, centrifugal blower air channel air-flow is little to the impact of wheel hub, and aerodynamic noise is lower, and energy loss is also less, can reduce structural vibration and the aerodynamic noise of supply air system, improve fan efficiency.The utility model compact structure, transmission efficiency is high, simple in structure, installation procedure is few, is beneficial to the integrated modular supply of material aerodynamic noise that favourable minimizing causes because of vibration is installed.
After reading by reference to the accompanying drawings the detailed description of the utility model mode of execution, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the structural representation of centrifugal blower in the prior art;
Fig. 2 is the structural representation of the utility model centrifugal blower;
Fig. 3 be among Fig. 2 A-A to sectional view;
Fig. 4 is the structural representation of the utility model centrifugal wind wheel;
Fig. 5 is the longitudinal sectional view of Fig. 4;
Fig. 6 is the structural representation that the utility model centrifugal blower is fixedly connected with supporting structure.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
As shown in Figure 1, the centrifugal blower of existing wind cooling refrigerator comprises centrifugal wind wheel 1 and motor 3, the mode that adopts motor shaft 2 to connect between centrifugal wind wheel 1 and the motor 3 is carried out transmission, like this, centrifugal wind wheel 1 is larger with the rear axial size of motor 3 assemblings, so that the shared bulk of supply air system is larger, thereby reduced the volume of inner container of icebox.Simultaneously, owing to there is frictional loss, cause the supply air system energy consumption larger, overall efficiency is lower.This kind kind of drive also produces shaft vibration easily, and shaft vibration then can cause aerodynamic noise higher.
Based on above-mentioned technical problem, present embodiment provides a kind of compact structure, and air-flow is had good water conservancy diversion effect, can improve the centrifugal blower of air quantity, minimizing air-supply noise and energy consumption, and the structure of this centrifugal blower is specific as follows:
Such as Fig. 2-shown in Figure 5, present embodiment provides a kind of compact type centrifugal blower for wind cooling refrigerator, comprises motor 3 and a centrifugal wind wheel 1 that drives the centrifugal wind wheel rotation, and this centrifugal wind wheel 1 joins with motor 3 and is subjected to motor 3 to drive the rotation air-supply.
Motor 3 directly is installed on the inside of wheel hub 4, rotor 6 is fixedly connected with wheel hub 4, the Placement of motor 3 and centrifugal wind wheel 1 is so that the present embodiment compact structure, greatly reduced the volume of centrifugal blower, effectively saved the space, like this, centrifugal blower is in the application of wind cooling refrigerator, can reduce the shared space of supply air system, the space that is conducive to increase inner container of icebox.The outer rim of wheel hub 4 is to the joint 10 that radially extends into support blade 5 ends, thereby can guarantee that centrifugal blower 1 has enough intensity when rotating.Rotor 6 is general by fixing devices, as: the mode such as bolt, buckle and wheel hub 4 join, and still, are not limited to this kind mode.
The motor of centrifugal wind wheel can be selected external rotor electric machine or inner rotor motor, but, in the present embodiment, because the implementation of external rotor electric machine is fairly simple, thereby, present embodiment adopts external rotor electric machine, and the rotor 6 of external rotor electric machine can directly join by fixing device and wheel hub 4.
Present embodiment form a staircase structural model 8 in the inside of wheel hub 4, and the shell of motor 3 is designed to a staircase structural model 9 accordingly in order to make wheel hub 4 more stable with cooperating of motor 3, and the two cooperatively interacts, and has increased the stability of centrifugal blower work.Simultaneously, also be connected with a concentric rotating shafts 11 between rotor 6 and wheel hub 4, the design of this structure can guarantee rotor 6 and wheel hub 4 Concentric rotations in the centrifugal blower rotary course.
Based on the design of above-mentioned centrifugal blower, present embodiment also provides a kind of supply air system of wind cooling refrigerator, and this supply air system comprises above-mentioned centrifugal blower 1, air channel and inner container of icebox; As shown in Figure 6, centrifugal blower 1 integral body is installed in an end in air channel by a supporting structure 12.During work, centrifugal blower 1 work produces air-flow, to the inner container of icebox air feed, realizes refrigeration for refrigerator by the air channel.
Simultaneously, present embodiment also provides a kind of wind cooling refrigerator, and wind cooling refrigerator comprises the supply air system that is positioned at refrigerator inside, and supply air system comprises centrifugal blower 1, air channel and inner container of icebox.The wind cooling refrigerator of present embodiment, by refrigerator overall performance and noise testing experiment are contrasted, adopt the structure of present embodiment that refrigerator overall performance and noise are all had good improvement, the supply air system noise can reduce the 1-2dB(sound pressure level), air quantity can improve about 20%, and the supply air system energy consumption can lower about 15%.
Certainly, adopt inner rotor motor and wheel hub to join and also can realize the utility model, also drop within the protection domain of the present utility model, because the Placement of inner rotor motor and wheel hub 4 is more common, be not described in detail herein.
Centrifugal wind wheel of the present utility model can adopt the centrifugal wind wheel of various types, comprise the backward centrifugal various types that waits, no matter how the centrifugal wind wheel detailed structure changes, for example, the variation of the concrete blade profile of centrifugal wind wheel itself, lobe numbers etc. is no matter also how the concrete Placement of centrifugal wind wheel and rotor changes, as long as the wheel hub of centrifugal wind wheel is bell mouth shape, motor is installed on wheel hub inside, and rotor is fixedly connected with wheel hub.Namely conflict with the utility model, drop within the protection domain of the present utility model.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment's technological scheme of the utility model.。
Claims (9)
1. compact type centrifugal blower that is used for wind cooling refrigerator, comprise motor and be subjected to motor-driven centrifugal wind wheel, described centrifugal wind wheel comprises wheel hub and the blade that is installed on the wheel hub, it is characterized in that: described wheel hub is bell mouth shape, described motor is installed on wheel hub inside, and rotor is fixedly connected with wheel hub.
2. the compact type centrifugal blower for wind cooling refrigerator according to claim 1, it is characterized in that: described motor is external rotor electric machine, and external rotor joins by fixing device and wheel hub.
3. the compact type centrifugal blower for wind cooling refrigerator according to claim 1, it is characterized in that: described wheel hub inside is formed with the staircase structural model that cooperates with the motor profile.
4. it is characterized in that: be connected with concentric rotating shafts between described rotor and the wheel hub according to claim 1 and 2 or 3 described compact type centrifugal blowers for wind cooling refrigerator.
5. according to claim 1 and 2 or 3 described compact type centrifugal blowers for wind cooling refrigerator, it is characterized in that: the outer rim of described wheel hub is to the joint that radially extends into the support blade end.
6. the compact type centrifugal blower for wind cooling refrigerator according to claim 5 is characterized in that: be fixed with the aerofoil that is connected with blade end on the described wheel hub.
7. supply air system that is used for wind cooling refrigerator, it is characterized in that: described supply air system comprises each described centrifugal blower of claim 1-6, air channel and inner container of icebox.
8. the supply air system for wind cooling refrigerator according to claim 7, it is characterized in that: described centrifugal blower is installed in an end in air channel by supporting structure.
9. wind cooling refrigerator, it is characterized in that: described wind cooling refrigerator comprises claim 7 or 8 described supply air systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367690 CN202833291U (en) | 2012-07-27 | 2012-07-27 | Air cooling refrigerator, compact centrifugal fan and air supply system for air cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367690 CN202833291U (en) | 2012-07-27 | 2012-07-27 | Air cooling refrigerator, compact centrifugal fan and air supply system for air cooling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833291U true CN202833291U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367690 Expired - Lifetime CN202833291U (en) | 2012-07-27 | 2012-07-27 | Air cooling refrigerator, compact centrifugal fan and air supply system for air cooling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134622A (en) * | 2015-03-31 | 2015-12-09 | 合肥华凌股份有限公司 | Centrifugal fan |
| WO2020192023A1 (en) * | 2019-03-28 | 2020-10-01 | 中山宜必思科技有限公司 | Centrifugal fan |
-
2012
- 2012-07-27 CN CN 201220367690 patent/CN202833291U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134622A (en) * | 2015-03-31 | 2015-12-09 | 合肥华凌股份有限公司 | Centrifugal fan |
| WO2020192023A1 (en) * | 2019-03-28 | 2020-10-01 | 中山宜必思科技有限公司 | Centrifugal fan |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210115 Address after: 266101 Haier Road, Qingdao hi tech Industrial Park, Shandong Province (inside Haier Industrial Park) Patentee after: Qingdao Haier Molds Co.,Ltd. Address before: 266100 Haier Industrial Park, No.1 Haier Road, gaokeyuan, Laoshan District, Qingdao City, Shandong Province Patentee before: HAIER Group Corp. Patentee before: QINGDAO HAIER MOLDS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |