CN203771865U - Air-cooled refrigerator and air duct cover plate component and refrigerator body thereof - Google Patents
Air-cooled refrigerator and air duct cover plate component and refrigerator body thereof Download PDFInfo
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- CN203771865U CN203771865U CN201420152098.8U CN201420152098U CN203771865U CN 203771865 U CN203771865 U CN 203771865U CN 201420152098 U CN201420152098 U CN 201420152098U CN 203771865 U CN203771865 U CN 203771865U
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- air duct
- duct cover
- refrigerator
- cover board
- electric machine
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Abstract
The utility model provides an air-cooled refrigerator and an air duct cover plate component and a refrigerator body thereof. The air duct cover plate component of the refrigerator comprises an air duct cover plate and a motor bracket, the air duct cover plate is provided with an air opening, the motor bracket is fixed on the air duct cover plate and located at the position of the air opening, a fan component of the refrigerator is mounted on the motor bracket, and blades of the fan component are located in the air opening. Axial distance and/or radial distance between a blade tip of each blade and the motor bracket is 15-24mm. By the air duct cover plate component of the refrigerator, noise and local resistance occurrence mechanisms are effectively combined to identify key influencing parameters and structures, control innovation is added to enable the axial distance and the radial distance between the blade tip of each blade and the motor bracket to be 15-24mm, low air resistance and low noise of the motor bracket are realized, refrigeration efficiency of the refrigerator is increased, air duct resistance is lowered, and actual measurement proves that airflow resistance of the motor bracket is lowered by about 20%, noise is lowered by about 3dB, and quality of the product is improved effectively.
Description
Technical field
The utility model relates to field of household appliances, more specifically, relates to casing and a kind of wind cooling refrigerator that comprises this casing of a kind of air duct cover board assembly of refrigerator, a kind of refrigerator that comprises this air duct cover board assembly.
Background technology
Ventilating system fluid noise is one of noise source of wind cooling refrigerator.Wherein, electric machine support 11 ' on air duct cover board assembly has a significant impact system air channel fluid noise, current electric machine support 11 ' structure as shown in Figure 1, that is: electric machine support 11 ' is three rib brace type electric machine supports, the inner side of rib flushes with the air port 13 ' on air duct cover board 14 ' just, and the air side 131 ' in air port 13 ' has wind-guiding muscle 12 ', after the 11 ' assembling of fan component and electric machine support as shown in Figure 2.
There is following defect in existing air duct cover board assembly:
Electric machine support on air duct cover board is not considered the impact of convection cell noise, because the inner side of rib flushes with air port, cause the blade tip of flabellum and the radial clearance a of rib very little, only 5mm, and the end play b at the blade tip of flabellum and rib top is also very little, only 8mm, because the rotary speed of fan blade tip is the fastest, too small with rib end play, radial clearance, disturbance to air is violent, cause air stream turbulence degree to increase, because turbulivity is directly related with the size of fluid noise, thereby cause system noise to increase; In addition, the air side in air duct cover board air port is provided with wind-guiding muscle, the existence of this wind-guiding muscle causes the inlet side local air flow in air port to organize unsmooth, cause gas disturbance to increase, strengthened gas disturbance and turbulivity, cause that noise increases, and in increasing noise, air channel (case courage rear wall and air duct cover board by refrigerator surround) resistance is also had a negative impact, cause the local resistance of electric machine support place to increase, air quantity reduces.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model provides a kind of air duct cover board assembly of refrigerator, producing principle by the noise genesis mechanism to electric machine support on air duct cover board and local resistance analyzes, thereby the crucial parameter that affects of identification noise, radial clearance between flabellum and electric machine support, end play are controlled to 15～24mm, and electric machine support wind-guiding muscle is arranged on to the air side in air port, effectively slow down the flow perturbation between flabellum and electric machine support, reduce air stream turbulence degree, thereby realize low windage, the low noise of electric machine support.
The embodiment of the utility model first aspect provides a kind of air duct cover board assembly of refrigerator, comprising: air duct cover board, is provided with air port on it; And electric machine support, be fixed on described air duct cover board and be positioned at described air port place, the fan component of described refrigerator is arranged on described electric machine support, and the flabellum of described fan component is positioned at described air port; The blade tip of described flabellum and the axial distance of described electric machine support and/or radial distance are 15～24mm.
The air duct cover board assembly of the refrigerator that the utility model provides, effectively combine noise, local resistance genesis mechanism, crucial parameter and the structure of affecting of identification, and controlled innovation, making the blade tip of flabellum and the axial distance of electric machine support and radial distance is 15～24mm, low windage, the low noise of electric machine support are realized, and improve the refrigerating efficiency of refrigerator, reduce duct resistance, actual measurement shows, the gas-flow resistance of electric machine support reduces approximately 20%, and the about 3dB of reducing noise has effectively improved the quality of product and user's satisfaction.
According to an embodiment of the present utility model, preferably, on described air duct cover board, be provided with wind-guiding muscle, and described wind-guiding muscle is positioned at described air port place.
According to an embodiment of the present utility model, preferably, described wind-guiding muscle is between described air duct cover board and described electric machine support and along described air port circumferential arrangement.
According to an embodiment of the present utility model, preferably, the external diameter of described flabellum and the diameter in described air port match.
According to an embodiment of the present utility model, preferably, described electric machine support is three rib brace type electric machine supports.
According to an embodiment of the present utility model, preferably, described fan component comprises: motor, is fixed on described electric machine support; With described flabellum, be arranged on the output shaft of described motor.
According to an embodiment of the present utility model, preferably, described motor is between described air duct cover board and described electric machine support.
The embodiment of the utility model second aspect provides a kind of casing of refrigerator, comprising: case courage; With the air duct cover board assembly of the refrigerator described in above-mentioned arbitrary embodiment, and described air duct cover board assembly is fixed on the rear wall of described case courage, and surrounds a chamber with the rear wall of described case courage.
The casing of the refrigerator that the utility model provides, by the transformation to motor supporting structure on air duct cover board, effectively reduces the noise in casing use procedure, has realized low windage, the low noise of refrigerator.
According to an embodiment of the present utility model, preferably, motor is positioned at the outside of described chamber, and described fan is to the inside blowing of described chamber.
The embodiment of the utility model third aspect provides a kind of wind cooling refrigerator, includes the casing of the refrigerator described in above-mentioned arbitrary embodiment.
The wind cooling refrigerator that the utility model provides, simple in structure, noise is little, the gas-flow resistance of electric machine support reduces approximately 20%, and the about 3dB of reducing noise has effectively improved the quality of product and user's satisfaction.
In sum, the air duct cover board assembly of the refrigerator that the utility model provides, producing principle by the noise genesis mechanism to electric machine support on air duct cover board and local resistance analyzes, thereby the crucial parameter that affects of identification noise, radial clearance between flabellum and electric machine support, end play are controlled to 15～24mm, and electric machine support wind-guiding muscle is arranged on to the air side in air port, effectively slow down the flow perturbation between flabellum and electric machine support, reduce air stream turbulence degree, thereby realize low windage, the low noise of electric machine support.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the structural representation of correlation technique air duct cover board assembly one embodiment;
Fig. 2 is the structural representation after fan component is assembled mutually with the assembly of air duct cover board shown in Fig. 1;
Fig. 3 is the structural representation after air duct cover board assembly described in the utility model is assembled mutually with fan component;
Fig. 4 is the main TV structure schematic diagram of Fig. 3.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
11 ' electric machine support, 12 ' wind-guiding muscle, 13 ' air port, 14 ' air duct cover board, 131 ' air side.
Corresponding relation in Fig. 3 and Fig. 4 between Reference numeral and component names is:
11 electric machine supports, 12 wind-guiding muscle, 13 air ports, 131 air sides, 132 inlet sides, 14 air duct cover boards, 21 flabellums, 22 motors.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
As shown in Figure 3 and Figure 4, the air duct cover board assembly of the refrigerator that the utility model provides, air duct cover board 14, is provided with air port 13 on it; With electric machine support 11, be fixed on described air duct cover board 14 and be positioned at 13 places, described air port, the fan component of described refrigerator is arranged on described electric machine support 11, and the flabellum 21 of described fan component is positioned at described air port 13; Distance (that is: axial distance) d on the axis direction of described flabellum 21 rotating shafts of the blade tip of described flabellum 21 and described electric machine support 11 and/or be 15～24mm perpendicular to distance (that is: the radial distance) c in the direction of the described rotating shaft of described flabellum 21.
The air duct cover board assembly of the refrigerator that the utility model provides, effectively combine noise, local resistance genesis mechanism, crucial parameter and the structure of affecting of identification, and controlled innovation, making the blade tip of flabellum 21 and the axial distance of electric machine support 11 and radial distance is 15～24mm, low windage, the low noise of electric machine support 11 are realized, and improve the refrigerating efficiency of refrigerator, reduce duct resistance, actual measurement shows, the gas-flow resistance of electric machine support 11 reduces approximately 20%, and the about 3dB of reducing noise has effectively improved the quality of product and user's satisfaction.
In an embodiment of the present utility model, preferably, as shown in Figure 3, on described air duct cover board 14, be provided with the expression of wind-guiding muscle 12(for ease of axial distance d in Fig. 4 and radial distance c, therefore not shown wind-guiding muscle 12 in Fig. 4), and described wind-guiding muscle 12 is positioned at 13 places, described air port.
The air port place of air duct cover board is provided with wind-guiding muscle, and wind-guiding muscle can improve the intensity of air duct cover board, extends the service life of air duct cover board, also can play to entering or discharge the wind in air port the effect of refluence.
Wherein, preferably, the inlet side 131(that described wind-guiding muscle 12 is positioned at described air port 13 is: wind-guiding muscle 12 is between air duct cover board 14 and electric machine support 11) and along described air port 13 circumferential arrangement, smooth to ensure the inlet side in air port, to reduce the turbulivity of blade tip place air-flow of flabellum.
And the diameter in the external diameter of described flabellum 21 and described air port 13 matches.
Preferably, described electric machine support 11 is three rib brace type electric machine supports 11, and arbitrary described rib is all L-shaped.
Wherein, preferably, rib (that is: three of electric machine support ribs) is along the circumferential uniform setting in air port.
Certainly, electric machine support can be also four rib brace type electric machine supports, five rib brace type electric machine supports etc., and these all can realize the application's object, and its aim does not depart from design philosophy of the present utility model, should belong to the application's protection domain.
In addition, described fan component comprises: motor 22, be fixed on described electric machine support 11, and between described air duct cover board 14 and described electric machine support 11; With described flabellum 21, be arranged on the output shaft of described motor 22.
The utility model also provides a kind of casing (not shown) of refrigerator, comprising: case courage; Air duct cover board assembly with the refrigerator described in above-mentioned arbitrary embodiment, is fixed on the rear wall of described case courage, and surrounds a chamber (that is: air channel) with the rear wall of described case courage.
The casing of the refrigerator that the utility model provides, by the transformation to electric machine support 11 structures on air duct cover board assembly, effectively reduces the noise in casing use procedure, has realized low windage, the low noise of refrigerator.
According to an embodiment of the present utility model, preferably, motor 22 is positioned at the outside of described chamber, and described flabellum 21 is to the inside blowing of described chamber.
The utility model also provides a kind of wind cooling refrigerator (not shown), includes the casing of the refrigerator described in above-mentioned arbitrary embodiment.
The wind cooling refrigerator that the utility model provides, simple in structure, noise is little, the gas-flow resistance of electric machine support 11 reduces approximately 20%, and the about 3dB of reducing noise has effectively improved the quality of product and user's satisfaction.
Below in conjunction with the embodiment of concrete numerical value, to being further described according to wind cooling refrigerator described in the utility model, further to understand the utility model, wind cooling refrigerator described in the utility model (air duct cover board assembly) is verified simultaneously:
The utility model provides an embodiment of wind cooling refrigerator, axial distance and radial distance between electric machine support on it and the blade tip of flabellum are 15mm, and wind-guiding muscle is positioned at the inlet side in air port, the experiment proved that, the gas-flow resistance of electric machine support reduces by 21%, reducing noise 3.2dB.
The utility model provides another embodiment of wind cooling refrigerator, axial distance and radial distance between electric machine support on it and the blade tip of flabellum are 24mm, and wind-guiding muscle is positioned at the inlet side in air port, the experiment proved that, the gas-flow resistance of electric machine support reduces by 19%, reducing noise 2.8dB.
The utility model provides another embodiment of wind cooling refrigerator, axial distance between electric machine support on it and the blade tip of flabellum is that 19mm, radial distance are 20mm, and wind-guiding muscle is positioned at the inlet side in air port, the experiment proved that, the gas-flow resistance of electric machine support reduces by 20%, reducing noise 3.0dB.
Above-mentioned three embodiment have all significantly reduced windage and the noise of electric machine support, have effectively promoted the quality of product, and can meet better consumer's user demand, thereby reach the object increasing the volume of product sales.
In sum, the air duct cover board assembly of the refrigerator that the utility model provides, producing principle by the noise genesis mechanism to electric machine support on air duct cover board and local resistance analyzes, thereby the crucial parameter that affects of identification noise, radial clearance between flabellum and electric machine support, end play are controlled to 15～24mm, and electric machine support wind-guiding muscle is arranged on to the air side in air port, effectively slow down the flow perturbation between flabellum and electric machine support, reduce air stream turbulence degree, thereby realize low windage, the low noise of electric machine support.
In description of the present utility model, if occur, term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this description, if occur, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is 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 within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an air duct cover board assembly for refrigerator, is characterized in that, comprising:
Air duct cover board, is provided with air port on it; With
Electric machine support, is fixed on described air duct cover board and is positioned at described air port place, and the fan component of described refrigerator is arranged on described electric machine support, and the flabellum of described fan component is positioned at described air port;
The blade tip of described flabellum and the axial distance of described electric machine support and/or radial distance are 15～24mm.
2. the air duct cover board assembly of refrigerator according to claim 1, is characterized in that,
On described air duct cover board, be provided with wind-guiding muscle, and described wind-guiding muscle is positioned at described air port place.
3. the air duct cover board assembly of refrigerator according to claim 2, is characterized in that,
Described wind-guiding muscle is between described air duct cover board and described electric machine support and along described air port circumferential arrangement.
4. the air duct cover board assembly of refrigerator according to claim 3, is characterized in that,
The external diameter of described flabellum and the diameter in described air port match.
5. the air duct cover board assembly of refrigerator according to claim 4, is characterized in that,
Described electric machine support is three rib brace type electric machine supports.
6. according to the air duct cover board assembly of the refrigerator described in any one in claim 1 to 5, it is characterized in that, described fan component comprises:
Motor, is fixed on described electric machine support; With
Described flabellum, is arranged on the output shaft of described motor.
7. the air duct cover board assembly of refrigerator according to claim 6, is characterized in that,
Described motor is between described air duct cover board and described electric machine support.
8. a casing for refrigerator, is characterized in that, comprising:
Case courage; With
The air duct cover board assembly of the refrigerator as described in any one in claim 1 to 7, and described air duct cover board assembly is fixed on the rear wall of described case courage, and surround a chamber with the rear wall of described case courage.
9. the casing of refrigerator according to claim 8, is characterized in that,
Motor is positioned at the outside of described chamber, and described fan is to the inside blowing of described chamber.
10. a wind cooling refrigerator, is characterized in that, includes the casing of refrigerator as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152098.8U CN203771865U (en) | 2014-03-28 | 2014-03-28 | Air-cooled refrigerator and air duct cover plate component and refrigerator body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152098.8U CN203771865U (en) | 2014-03-28 | 2014-03-28 | Air-cooled refrigerator and air duct cover plate component and refrigerator body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771865U true CN203771865U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420152098.8U Withdrawn - After Issue CN203771865U (en) | 2014-03-28 | 2014-03-28 | Air-cooled refrigerator and air duct cover plate component and refrigerator body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900324A (en) * | 2014-03-28 | 2014-07-02 | 合肥美的电冰箱有限公司 | Refrigerator air duct cover plate component, refrigerator cabinet and air-cooled refrigerator |
-
2014
- 2014-03-28 CN CN201420152098.8U patent/CN203771865U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900324A (en) * | 2014-03-28 | 2014-07-02 | 合肥美的电冰箱有限公司 | Refrigerator air duct cover plate component, refrigerator cabinet and air-cooled refrigerator |
| CN103900324B (en) * | 2014-03-28 | 2016-06-22 | 合肥美的电冰箱有限公司 | The air duct cover board assembly of refrigerator, the casing of refrigerator and wind cooling refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |