CN104296458B - Refrigerator and air duct plate thereof - Google Patents
Refrigerator and air duct plate thereof Download PDFInfo
- Publication number
- CN104296458B CN104296458B CN201410482390.0A CN201410482390A CN104296458B CN 104296458 B CN104296458 B CN 104296458B CN 201410482390 A CN201410482390 A CN 201410482390A CN 104296458 B CN104296458 B CN 104296458B
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- CN
- China
- Prior art keywords
- air duct
- refrigerator
- duct board
- noise reduction
- blind hole
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a refrigerator and an air duct plate of the refrigerator. The refrigerator comprises a refrigerator body which is internally provided with refrigerating chambers, door bodies installed on the refrigerator body and used for opening or closing the refrigerating chambers and an air duct arranged in the refrigerator body, wherein the air duct comprises the air duct plate, and silencing blind holes spaced to one another are formed in the inner wall face of the air duct plate. According to the refrigerator, due to the fact that the silencing blind holes are formed in the inner wall face of the air duct plate, noise can form resonance at peak frequency bands, so that the silencing coefficient and the sound resistance of the air duct plate are improved, and the sound absorption bandwidth is enlarged. In addition, the silencing blind holes formed in the inner wall face of the air duct plate are used for replacing silencing cotton to reduce fluid noise generated when air flow flows through the air duct plate, secondary noise brought by the silencing cotton is lowered, the problem that the air duct is blocked by ice due to water absorption of sound absorption cotton is effectively solved, the production cost is reduced, and the long-term operation reliability of the product is improved.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to the panel of a kind of refrigerator and this refrigerator.
Background technology
The fluid noise of ventilating system is one of noise source of wind cooling refrigerator, using on the inwall in air channel in correlation technique
(for example, internal face of air duct board) upper acoustical cotton that pastes reduces noise.However, pasting acoustical cotton inside air channel, increased material
This, the fluid space also resulting in air channel reduces, and changes the generation that can lead to secondary noise while flow field.Additionally,
Acoustical cotton easily absorbs condensate, produces ice and blocks up, hinder air circulation, operational reliability is low when serious.
Content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention carries
Go out the air duct board for refrigerator that a kind of structure is simple, it is stifled to produce ice, reliability is high.
The present invention also proposes a kind of refrigerator with above-mentioned air duct board.
Provide a kind of refrigerator according to an aspect of the present invention, comprising: casing, in described casing, there is refrigeration compartment；
Door body, described door body is arranged on described casing, is used for opening or closing described refrigeration compartment；Air channel, described air channel is located at institute
State in casing, described air channel includes air duct board, the internal face of described air duct board is provided with the noise reduction blind hole being spaced apart from each other.
According to the refrigerator of the present invention, by keeping away setting noise reduction blind hole on face in air duct board, noise can be made in peak value frequency
Section forms and resonates, and then improves extinction coefficient and the acoustic impedance of air duct board, increased wide band sound absorption.Additionally, utilizing air duct board
Inside keep away setting noise reduction blind hole on face and replace silencing cotton to reduce the fluid noise that air-flow produces when flowing through air duct board, and then subtract
Lack the secondary noise being brought by silencing cotton, efficiently solved the air channel ice causing because of acoustical cotton water suction and block up, reduce life
Produce cost, improve product longtime running reliability.
In an example of the present invention, described noise reduction blind hole is circular hole, a diameter of 0.5-3mm of described circular hole.
Preferably, a diameter of 1.5mm of described circular hole.
In an example of the present invention, the area sum of described noise reduction blind hole and the ratio of the area of the internal face of air duct board
It is worth for 15%-40%.
Preferably, the area sum of described noise reduction blind hole and the ratio of the area of internal face of air duct board are 25%.
Provide a kind of air duct board for refrigerator according to another aspect of the present invention, including plate body, described plate body
Internal face is provided with the noise reduction blind hole being spaced apart from each other.
According to the present invention for the air duct board of refrigerator, by keeping away setting noise reduction blind hole on face in air duct board, can make
Noise forms in peak value frequency range and resonates, and then improves extinction coefficient and the acoustic impedance of air duct board, increased wide band sound absorption.This
Outward, replace silencing cotton to reduce the stream that air-flow produces when flowing through air duct board using keeping away on face setting noise reduction blind hole in air duct board
Body noise, and then decrease the secondary noise being brought by silencing cotton, efficiently solve the air channel caused because of acoustical cotton water suction
Ice blocks up, and reduces production cost, improves product longtime running reliability.
In an example of the present invention, described noise reduction blind hole is circular hole, a diameter of 0.5-3mm of described circular hole.
Preferably, a diameter of 1.5mm of described circular hole.
In an example of the present invention, the area sum of described noise reduction blind hole and the area of internal face of described plate body
Ratio is 15%-40%.
Brief description
Fig. 1 is the structural representation of air duct board according to an embodiment of the invention；
Fig. 2 is the structural representation of refrigerator according to an embodiment of the invention；
Fig. 3 is the partial schematic sectional view of the refrigerator in Fig. 2.
Reference:
Refrigerator 100,
Casing 110, refrigeration compartment 111,
Door body 120, air channel 130, air inlet 131,
Vaporizer 140,
Air duct board 150, noise reduction blind hole 151, plate body 152,
Fan component 200.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
1 describe the air duct board 150 for refrigerator 100 according to embodiments of the present invention in detail with reference to the accompanying drawings.Air duct board
150 may be provided in refrigerator 100, to construct exhaust passage 130 in refrigerator 100.The vaporizer 140 of refrigerator 100 is adjacent to air channel 130
Air inlet 131 is arranged, and is provided with fan component 200 with by vaporizer 140 between the air inlet 131 in vaporizer 140 and air channel 130
The blow cold air of surrounding is to air channel 130.
As shown in figure 1, the air duct board 150 for refrigerator 100 according to embodiments of the present invention includes plate body 152, wherein plate
The internal face of body 152 is provided with the noise reduction blind hole 151 being spaced apart from each other.Here internal face refers on air duct board 150 towards wind
The wall of the side in road 130, when that is, air-flow flows in air channel 130, the side wall of the side of air duct board 150 of airflow passes.Need
It is noted that during air-flow flows in air channel 130, it will produce fluid noise.The noise-cancelling theory of noise reduction blind hole 151
Understand, keep away setting noise reduction blind hole 151 on face in air duct board 150, noise can be made to form resonance in peak value frequency range, and then improve
The extinction coefficient of air duct board 150 and acoustic impedance, increased wide band sound absorption, thus efficiently reducing air-flow to flow through air duct board
The fluid noise producing when 150.
In correlation technique, on the internal face of air duct board, setting silencing cotton is to reduce the fluid noise in air channel.However,
Paste acoustical cotton inside air channel, not only increased Material Cost, the fluid space also resulting in air channel reduces, and changes flow field
The generation of secondary noise can be led to simultaneously.Additionally, acoustical cotton easily absorbs condensate, produce ice when serious and block up, hinder air stream
Logical, operational reliability is low.
Air duct board 150 for refrigerator 100 according to embodiments of the present invention, is set on face by keeping away in air duct board 150
Put noise reduction blind hole 151, noise can be made to form resonance in peak value frequency range, and then improve extinction coefficient and the acoustic resistance of air duct board 150
Anti-, increased wide band sound absorption.Additionally, noise reduction blind hole 151 replacement silencing cotton is arranged on face to reduce using keeping away in air duct board 150
The fluid noise that air-flow produces when flowing through air duct board 150, and then decrease the secondary noise being brought by silencing cotton, effectively solve
Air channel 130 ice causing because of acoustical cotton water suction of having determined blocks up, and reduces production cost, improves product longtime running reliability.
In example as shown in Figure 1, noise reduction blind hole 151 is circular hole, a diameter of 0.5-3mm of circular hole.Preferably, circular hole
A diameter of 1.5mm.Experiments verify that, as a diameter of 0.5-3mm of circular hole, the soundproof effect of air duct board 150 is significantly better than
When circular hole with diameter greater than 3mm or less than 0.5mm when soundproof effect；As a diameter of 1.5mm of circular hole, air duct board 150
Soundproof effect is best.Certainly, the shape of noise reduction blind hole 151 is not limited to this, and for example, in example as shown in Figure 1, noise reduction is blind
Hole 151 can also be polygon.
Additionally, in an optional example of the present invention, the area sum of noise reduction blind hole 151 and the inwall of plate body 152
The ratio of the area in face is 15%-40%.Preferably, the area of the internal face of the area sum of noise reduction blind hole 151 and plate body 152
Ratio be 25%.Experiments verify that, when the ratio of the area of the internal face of area sum and the plate body 152 of noise reduction blind hole 151
During for 15%-40%, the soundproof effect of air duct board 150 is significantly better than the interior of area sum when noise reduction blind hole 151 and plate body 152
The ratio of the area of wall is more than 40% or is less than soundproof effect when 15%；Area sum and plate body when noise reduction blind hole 151
When the ratio of the area of 152 internal face is 25%, the soundproof effect of air duct board 150 is best.
As shown in Figure 1-Figure 3, refrigerator 100 according to embodiments of the present invention, comprising: casing 110, door body 120 and air channel
130.Wherein, refrigerator 100 can be wind cooling refrigerator.
Specifically, as shown in Figure 2 and Figure 3, there is in casing 110 refrigeration compartment 111, door body 120 is arranged on casing 110
On, it is used for opening or closing refrigeration compartment 111.Air channel 130 is located in casing 110.Preferably, air channel 130 is located at casing 110
Rear side, rear side herein refers to the position at the close rear (for example at rear as shown in Figure 3) of casing 110.The going out of air channel 130
Air port (not shown) is connected with refrigeration compartment 111, to convey cold air into refrigeration compartment 111.The vaporizer of refrigerator 100
140 air inlets 131 adjacent to air channel 130 are arranged, and are provided with fan component between the air inlet 131 in vaporizer 140 and air channel 130
200 with by the blow cold air around vaporizer 140 to air channel 130.For example, in example as shown in Figure 3, air channel 130
The direction flowing shown in along arrow a of interior cold air.
Wherein, as shown in Figure 1, Figure 3, air channel 130 includes air duct board 150, and the internal face of air duct board 150 is provided with to each other
The noise reduction blind hole 151 separating.Here internal face refer on air duct board 150 towards air channel 130 side wall, that is, air-flow exist
Along during direction flowing as shown in arrow a in Fig. 3 in air channel 130, the side wall of the side of air duct board 150 of airflow passes.Need
It is noted that during air-flow flows in air channel 130, it will produce fluid noise.The noise-cancelling theory of noise reduction blind hole 151
Understand, keep away setting noise reduction blind hole 151 on face in air duct board 150, noise can be made to form resonance in peak value frequency range, and then improve
The extinction coefficient of air duct board 150 and acoustic impedance, increased wide band sound absorption, thus efficiently reducing air-flow to flow through air duct board
The fluid noise producing when 150.
Refrigerator 100 according to embodiments of the present invention, by keeping away setting noise reduction blind hole 151 on face in air duct board 150, can
Make noise be formed in peak value frequency range to resonate, and then improve extinction coefficient and the acoustic impedance of air duct board 150, increased sound absorption band
Wide.Additionally, flowing through air channel using keeping away setting noise reduction blind hole 151 replacement silencing cotton on face in air duct board 150 to reduce air-flow
The fluid noise producing during plate 150, and then decrease the secondary noise being brought by silencing cotton, efficiently solve and inhale because of acoustical cotton
Water and air channel 130 ice that causes blocks up, reduce production cost, improve product longtime running reliability.
In example as shown in Figure 1, noise reduction blind hole 151 is circular hole, a diameter of 0.5-3mm of circular hole.Preferably, circular hole
A diameter of 1.5mm.Experiments verify that, as a diameter of 0.5-3mm of circular hole, the soundproof effect of air duct board 150 is significantly better than
When circular hole with diameter greater than 3mm or less than 0.5mm when soundproof effect；As a diameter of 1.5mm of circular hole, air duct board 150
Soundproof effect is best.Certainly, the shape of noise reduction blind hole 151 is not limited to this, and for example, in example as shown in Figure 1, noise reduction is blind
Hole 151 can also be polygon.
In example as shown in Figure 3, the area sum of noise reduction blind hole 151 and the ratio of the area of the internal face of plate body 152
It is worth for 15%-40%.Preferably, the area sum of noise reduction blind hole 151 and the ratio of the area of the internal face of plate body 152 are
25%.Experiments verify that, when the area sum of noise reduction blind hole 151 is 15%- with the ratio of the area of the internal face of plate body 152
When 40%, the soundproof effect of air duct board 150 is significantly better than area sum and the internal face of plate body 152 when noise reduction blind hole 151
The ratio of area is more than 40% or is less than soundproof effect when 15%；Area sum and plate body 152 when noise reduction blind hole 151
When the ratio of the area of internal face is 25%, the soundproof effect of air duct board 150 is best.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axial ",
" radially ", the orientation of the instruction such as " circumferential " or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention with simplify description, rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, are therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, permissible
It is the connection of two element internals or the interaction relationship of two elements, limit unless otherwise clear and definite.For this area
For those of ordinary skill, 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 permissible
It is the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (7)
1. a kind of refrigerator is it is characterised in that include:
Casing, has refrigeration compartment in described casing；
Door body, described door body is arranged on described casing, is used for opening or closing described refrigeration compartment；
Air channel, described air channel is located in described casing, and described air channel includes air duct board, and the internal face of described air duct board is provided with that
This noise reduction blind hole being spaced apart, the area sum of described noise reduction blind hole is 15%- with the ratio of the area of internal face of air duct board
40%.
2. refrigerator according to claim 1 it is characterised in that described noise reduction blind hole be circular hole, described circular hole a diameter of
0.5-3mm.
3. refrigerator according to claim 2 is it is characterised in that a diameter of 1.5mm of described circular hole.
4. refrigerator according to claim 1 is it is characterised in that described ratio is 25%.
5. it is characterised in that including plate body, the internal face of described plate body is provided with and is spaced a kind of air duct board for refrigerator
The noise reduction blind hole opened, the area sum of described noise reduction blind hole is 15%-40% with the ratio of the area of internal face of described plate body.
6. the air duct board for refrigerator according to claim 5 is it is characterised in that described noise reduction blind hole is circular hole, described
A diameter of 0.5-3mm of circular hole.
7. the air duct board for refrigerator according to claim 6 is it is characterised in that a diameter of 1.5mm of described circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482390.0A CN104296458B (en) | 2014-09-19 | 2014-09-19 | Refrigerator and air duct plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482390.0A CN104296458B (en) | 2014-09-19 | 2014-09-19 | Refrigerator and air duct plate thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104296458A CN104296458A (en) | 2015-01-21 |
| CN104296458B true CN104296458B (en) | 2017-01-25 |
Family
ID=52316296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410482390.0A Active CN104296458B (en) | 2014-09-19 | 2014-09-19 | Refrigerator and air duct plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104296458B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339845A (en) * | 2016-04-29 | 2017-11-10 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN113865183A (en) * | 2016-04-29 | 2021-12-31 | 博西华电器（江苏）有限公司 | Refrigeration device |
| CN109708384A (en) * | 2018-11-16 | 2019-05-03 | 青岛海尔股份有限公司 | Air duct board and refrigerator with it |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100299236B1 (en) * | 1998-11-25 | 2001-11-22 | 구자홍 | Cold air distribution structure of the refrigerator |
| CN1156661C (en) * | 2001-01-11 | 2004-07-07 | 中国科学院声学研究所 | Refrigerator with air channel barrier having vibration-damping film structure |
| KR20040025132A (en) * | 2002-09-18 | 2004-03-24 | 엘지전자 주식회사 | Fan motor-assembly for refrigerator |
| KR100518817B1 (en) * | 2003-06-04 | 2005-10-06 | 삼성전자주식회사 | Refrigerator |
| CN102418715A (en) * | 2011-12-09 | 2012-04-18 | 广东美的电器股份有限公司 | Axial flow wind wheel |
| CN103047812A (en) * | 2013-01-08 | 2013-04-17 | 合肥工业大学 | Low-noise circulating fan system for refrigerator |
| CN203518395U (en) * | 2013-09-25 | 2014-04-02 | 海信（山东）冰箱有限公司 | Refrigerator air duct and refrigerator with same |
| CN204268785U (en) * | 2014-09-19 | 2015-04-15 | 合肥华凌股份有限公司 | Refrigerator and air duct board thereof |
-
2014
- 2014-09-19 CN CN201410482390.0A patent/CN104296458B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104296458A (en) | 2015-01-21 |
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