CN104236203A - Air cooling refrigerator and fan assembly - Google Patents
Air cooling refrigerator and fan assembly Download PDFInfo
- Publication number
- CN104236203A CN104236203A CN201410482366.7A CN201410482366A CN104236203A CN 104236203 A CN104236203 A CN 104236203A CN 201410482366 A CN201410482366 A CN 201410482366A CN 104236203 A CN104236203 A CN 104236203A
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- kuppe
- cooling refrigerator
- air
- sound attenuation
- hole
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an air cooling refrigerator and a fan assembly. The air cooling refrigerator comprises a box body, door bodies, an air duct and the fan assembly, wherein refrigerating chambers are formed in the box body; the door bodies are arranged on the box body and are used for opening and closing the refrigerating chambers; the air duct is formed in the box body; an air outlet of the air duct is communicated with the refrigerating chambers; the fan assembly is arranged in the air duct; the fan assembly comprises an air guide sleeve; the inner wall face of the air guide sleeve is provided with a plurality of silencing holes at intervals. According to the air cooling refrigerator disclosed by the invention, by forming a plurality of silencing holes at intervals on the inner wall face of the air guide sleeve, noise can form resonance on a peak frequency band so as to improve a silencing coefficient and an acoustic impedance of the air guide sleeve, increase a sound adsorption band width and reduce noise generated when airflow flows through the air guide sleeve, thereby improving a mute effect of the air cooling refrigerator and meeting use requirements of users.
Description
Technical field
The present invention relates to household electrical appliance technical field, relate to a kind of wind cooling refrigerator and fan component particularly.
Background technology
Kuppe is as the key link of fan airstream tissue, to the performance of fan and noise effect very large, current kuppe is columnar structured, smooth surface, wall is the thin-wall face of about 2mm, because wall is thinner, and material is more crisp, and its soundproof effect is poor, and easy and flabellum resonates, cause noise excessive, become the excessive one of the main reasons of wind cooling refrigerator noise at present, become the difficult problem controlling noise of refrigerator.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of wind cooling refrigerator, and described wind cooling refrigerator has that structure is simple, the little advantage of noise.
The present invention also proposes a kind of fan component, and described fan component has the advantage that structure is simple, noise is little.
Provide a kind of wind cooling refrigerator according to an aspect of the present invention, comprising: casing, in described casing, there is refrigeration compartment; Men Ti, described door body is arranged on described casing, is used to open or close described refrigeration compartment; Air channel, described air channel is located in described casing, and the air outlet in described air channel is communicated with described refrigeration compartment; Fan component, described fan component is located in described air channel, and described fan component comprises kuppe, and the internal face of described kuppe is provided with the multiple sound attenuation holes be spaced apart from each other.
According to wind cooling refrigerator of the present invention, by being provided with multiple sound attenuation hole be spaced apart from each other on the internal face of kuppe, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic impedance of kuppe, add wide band sound absorption, reduce the noise that air-flow produces when flowing through kuppe, thus improve the muting function of wind cooling refrigerator, meet the user demand of user.
Preferably, described sound attenuation hole is blind hole.
In an example of the present invention, described sound attenuation hole is circular hole, and the diameter of described circular hole is 0.5-3mm.
Preferably, the diameter of described circular hole is 1.5mm.
In an example of the present invention, the ratio of the area of the area sum of described sound attenuation hole and the internal face of described kuppe is 15%-40%.
Preferably, the ratio of the area of the area sum of described sound attenuation hole and the internal face of described kuppe is 25%.
Provide a kind of fan component according to another aspect of the present invention, comprising: kuppe and the flabellum in described kuppe, the internal face of described kuppe is provided with multiple sound attenuation hole be spaced apart from each other.
According to fan component of the present invention, by being provided with multiple sound attenuation hole be spaced apart from each other on the internal face of kuppe, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic impedance of kuppe, add wide band sound absorption, thus efficiently reduce the noise that air-flow produces when flowing through kuppe.
Preferably, described sound attenuation hole is blind hole.
In an example of the present invention, described sound attenuation hole is circular hole, and the diameter in described hole is 0.5-3mm.
In an example of the present invention, the ratio of the area of the area sum of described sound attenuation hole and the internal face of described kuppe is 15%-40%.
Accompanying drawing explanation
Fig. 1 is the structural representation of fan component according to an embodiment of the invention;
Fig. 2 is the structural representation of wind cooling refrigerator according to an embodiment of the invention;
Fig. 3 is the partial schematic sectional view of the wind cooling refrigerator in Fig. 2.
Reference numeral:
Wind cooling refrigerator 100,
Casing 110, refrigeration compartment 111, door body 120, air channel 130, air inlet 131, evaporimeter 140,
Fan component 200,
Kuppe 210, sound attenuation hole 220, flabellum 230, outlet air end 231.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
1 describe the fan component 200 according to the embodiment of the present invention in detail with reference to the accompanying drawings.It should be noted that, fan component 200 is air-supply arrangement, and it can be used for equipment such as wind cooling refrigerator 100 grade.Be applied to wind cooling refrigerator 100 for fan component 200 to be below described the fan component 200 according to the embodiment of the present invention, fan component 200 by the blow cold air around evaporimeter 140 in the air channel 130 of wind cooling refrigerator 100, then can be guided in the refrigeration compartment 111 of wind cooling refrigerator 100 by air channel 130.
As shown in Figure 1, according to the fan component 200 of the embodiment of the present invention, comprising: kuppe 210 and the flabellum 230 be located in kuppe 210.Such as, as shown in Figure 1, cylindrically, the inside of cylindric kuppe forms cavity to kuppe 210.Kuppe 210 has guiding function to the air-flow flowing through flabellum 230, and in example as shown in Figure 1, air-flow flows through fan component 200 along the direction shown in arrow b.Kuppe 210, in the process guiding air current flow, will produce air-supply noise, and be abatement air-supply noise, the internal face of kuppe 210 is provided with multiple sound attenuation hole 220 be spaced apart from each other.
From the noise-cancelling theory of sound attenuation hole 220, keep away in kuppe 210 on face and sound attenuation hole 220 is set, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic impedance of kuppe 210, add wide band sound absorption, thus efficiently reduce the air-supply noise that air-flow produces when flowing through kuppe 210.
According to the fan component 200 of the embodiment of the present invention, by being provided with multiple sound attenuation hole 220 be spaced apart from each other on the internal face of kuppe 210, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic impedance of kuppe 210, add wide band sound absorption, thus efficiently reduce the noise that air-flow produces when flowing through kuppe 210.
In example as shown in Figure 1, kuppe 210 cylindrically and be located at the outlet air end 231 of flabellum 230, the inside of kuppe 210 forms cavity, and at least part of flabellum 230 is located in cavity, and the internal face that multiple sound attenuation hole 220 be spaced apart from each other is located at kuppe 210 is uniformly distributed.For ensureing the water conservancy diversion effect of kuppe 210, sound attenuation hole 220 is blind hole.In an optional example of the present invention, sound attenuation hole 220 can be circular hole, and the diameter of circular hole is 0.5-3mm.Preferably, the diameter of circular hole is 1.5mm.Through experimental verification, when the diameter of circular hole is 0.5-3mm, the soundproof effect of kuppe 210 is significantly better than the soundproof effect when the diameter of circular hole is greater than 3mm or is less than 0.5mm; When the diameter of circular hole is 1.5mm, the soundproof effect of kuppe 210 is best.Certainly, the shape of sound attenuation hole 220 is not limited to this, and such as, in example as shown in Figure 1, sound attenuation hole 220 can also be polygon.
In addition, in an optional example of the present invention, the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 15%-40%.Preferably, the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 25%.Through experimental verification, when the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 15%-40%, the soundproof effect of kuppe 210 significantly better than the ratio of the area when the area sum of sound attenuation hole 220 and the internal face of kuppe 210 be greater than 40% or be less than 15% time soundproof effect; When the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 25%, the soundproof effect of kuppe 210 is best.
As shown in Figure 1-Figure 3, according to the wind cooling refrigerator 100 of the embodiment of the present invention, comprising: casing 110, door body 120, air channel 130 and fan component 200.
Specifically, as shown in Figure 2 and Figure 3, have refrigeration compartment 111 in casing 110, door body 120 is arranged on casing 110, is used to open or close refrigeration compartment 111.Air channel 130 is located in casing 110.Preferably, air channel 130 is located at the rear side of casing 110, and rear side herein refers to the position at the close rear (such as at rear as shown in Figure 3) of casing 110.The air outlet (scheming not shown) in air channel 130 is communicated with refrigeration compartment 111, to carry cold air in refrigeration compartment 111.Fan component 200 is located in air channel 130, and arranges with the evaporimeter 140 of wind cooling refrigerator 100 is contiguous, to go out to deliver in air channel 130 by the cold air around evaporimeter 140.Preferably, the contiguous air inlet 131 of evaporimeter 140 is arranged, and fan component 200 is located between the air inlet 131 in air channel 130 and evaporimeter 140.Such as, in example as shown in Figure 3, flowing along the direction shown in arrow a of the cold air in air channel 130.
As shown in Figure 1, Figure 3, fan component 200 comprises kuppe 210, and the internal face of kuppe 210 is provided with the multiple sound attenuation holes 220 be spaced apart from each other.In example as shown in Figure 1, cylindrically, the inside of cylindric kuppe 210 forms cavity to kuppe 210.Be understandable that, kuppe 210 has guiding function to the air-flow flowing through flabellum 230.
From the noise-cancelling theory of sound attenuation hole 220, keep away in kuppe 210 on face and sound attenuation hole 220 is set, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic impedance of kuppe 210, add wide band sound absorption, thus efficiently reduce the noise that air-flow produces when flowing through kuppe 210.
According to the wind cooling refrigerator 100 of the embodiment of the present invention, by being provided with multiple sound attenuation hole 220 be spaced apart from each other on the internal face of kuppe 210, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic impedance of kuppe 210, add wide band sound absorption, reduce the noise that air-flow produces when flowing through kuppe 210, thus improve the muting function of wind cooling refrigerator 100, meet the user demand of user.
In example as shown in Figure 1, Figure 3, kuppe 210 cylindrically and be located at the outlet air end of flabellum 230, the inside of kuppe 210 forms cavity, at least part of flabellum 230 is located in cavity, multiple sound attenuation hole 220 be spaced apart from each other is located on the internal face of kuppe 210, and sound attenuation hole 220 is blind hole.In an optional example of the present invention, sound attenuation hole 220 can be circular hole, and the diameter of circular hole is 0.5-3mm.Preferably, the diameter of circular hole is 1.5mm.Through experimental verification, when the diameter of circular hole is 0.5-3mm, the soundproof effect of kuppe 210 is significantly better than the soundproof effect when the diameter of circular hole is greater than 3mm or is less than 0.5mm; When the diameter of circular hole is 1.5mm, the soundproof effect of kuppe 210 is best.Certainly, the shape of sound attenuation hole 220 is not limited to this, and such as, in example as shown in Figure 1, sound attenuation hole 220 can also be polygon.
In addition, in an optional example of the present invention, the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 15%-40%.Preferably, the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 25%.Through experimental verification, when the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 15%-40%, the soundproof effect of kuppe 210 significantly better than the ratio of the area when the area sum of sound attenuation hole 220 and the internal face of kuppe 210 be greater than 40% or be less than 15% time soundproof effect; When the ratio of the area of the area sum of sound attenuation hole 220 and the internal face of kuppe 210 is 25%, the soundproof effect of kuppe 210 is best.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a wind cooling refrigerator, is characterized in that, comprising:
Casing, has refrigeration compartment in described casing;
Men Ti, described door body is arranged on described casing, is used to open or close described refrigeration compartment;
Air channel, described air channel is located in described casing, and the air outlet in described air channel is communicated with described refrigeration compartment;
Fan component, described fan component is located in described air channel, and described fan component comprises kuppe, and the internal face of described kuppe is provided with the multiple sound attenuation holes be spaced apart from each other.
2. wind cooling refrigerator according to claim 1, is characterized in that, described sound attenuation hole is blind hole.
3. wind cooling refrigerator according to claim 1, is characterized in that, described sound attenuation hole is circular hole, and the diameter of described circular hole is 0.5-3mm.
4. wind cooling refrigerator according to claim 3, is characterized in that, the diameter of described circular hole is 1.5mm.
5. wind cooling refrigerator according to claim 1, is characterized in that, the ratio of the area of the area sum of described sound attenuation hole and the internal face of described kuppe is 15%-40%.
6. wind cooling refrigerator according to claim 5, is characterized in that, described ratio is 25%.
7. a fan component, is characterized in that, comprising: kuppe and the flabellum in described kuppe, and the internal face of described kuppe is provided with multiple sound attenuation hole be spaced apart from each other.
8. fan component according to claim 1, is characterized in that, described sound attenuation hole is blind hole.
9. fan component according to claim 1, is characterized in that, described sound attenuation hole is circular hole, and the diameter in described hole is 0.5-3mm.
10. fan component according to claim 1, is characterized in that, the ratio of the area of the area sum of described sound attenuation hole and the internal face of described kuppe is 15%-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482366.7A CN104236203A (en) | 2014-09-19 | 2014-09-19 | Air cooling refrigerator and fan assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482366.7A CN104236203A (en) | 2014-09-19 | 2014-09-19 | Air cooling refrigerator and fan assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104236203A true CN104236203A (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410482366.7A Pending CN104236203A (en) | 2014-09-19 | 2014-09-19 | Air cooling refrigerator and fan assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN104236203A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328159A (en) * | 2016-04-29 | 2017-11-07 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN107339845A (en) * | 2016-04-29 | 2017-11-10 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
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| JPS61232400A (en) * | 1985-04-05 | 1986-10-16 | Matsushita Electric Ind Co Ltd | Motor-driven fan |
| CN2157951Y (en) * | 1993-06-25 | 1994-03-02 | 王涤海 | Sound proofing plate |
| KR20040105033A (en) * | 2003-06-04 | 2004-12-14 | 삼성전자주식회사 | Refrigerator |
| CN202056108U (en) * | 2011-03-02 | 2011-11-30 | 嵊州市龙马冲件有限公司 | Fan device with noise reduction structure |
| CN102418715A (en) * | 2011-12-09 | 2012-04-18 | 广东美的电器股份有限公司 | Axial flow wind wheel |
| CN202938568U (en) * | 2012-11-20 | 2013-05-15 | 合肥美菱股份有限公司 | Refrigerator combining air cooling and direct cooling |
| CN204177023U (en) * | 2014-09-19 | 2015-02-25 | 合肥华凌股份有限公司 | Wind cooling refrigerator and fan component |
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2014
- 2014-09-19 CN CN201410482366.7A patent/CN104236203A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61232400A (en) * | 1985-04-05 | 1986-10-16 | Matsushita Electric Ind Co Ltd | Motor-driven fan |
| CN2157951Y (en) * | 1993-06-25 | 1994-03-02 | 王涤海 | Sound proofing plate |
| KR20040105033A (en) * | 2003-06-04 | 2004-12-14 | 삼성전자주식회사 | Refrigerator |
| CN202056108U (en) * | 2011-03-02 | 2011-11-30 | 嵊州市龙马冲件有限公司 | Fan device with noise reduction structure |
| CN102418715A (en) * | 2011-12-09 | 2012-04-18 | 广东美的电器股份有限公司 | Axial flow wind wheel |
| CN202938568U (en) * | 2012-11-20 | 2013-05-15 | 合肥美菱股份有限公司 | Refrigerator combining air cooling and direct cooling |
| CN204177023U (en) * | 2014-09-19 | 2015-02-25 | 合肥华凌股份有限公司 | Wind cooling refrigerator and fan component |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328159A (en) * | 2016-04-29 | 2017-11-07 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN107339845A (en) * | 2016-04-29 | 2017-11-10 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN107328159B (en) * | 2016-04-29 | 2021-12-07 | 博西华电器（江苏）有限公司 | Refrigeration device |
| CN113865183A (en) * | 2016-04-29 | 2021-12-31 | 博西华电器（江苏）有限公司 | Refrigeration device |
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Application publication date: 20141224 |
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