CN105222474A - Adopt the refrigerator of linear compressor - Google Patents
Adopt the refrigerator of linear compressor Download PDFInfo
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- CN105222474A CN105222474A CN201510752931.1A CN201510752931A CN105222474A CN 105222474 A CN105222474 A CN 105222474A CN 201510752931 A CN201510752931 A CN 201510752931A CN 105222474 A CN105222474 A CN 105222474A
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- interval
- refrigerator
- linear compressor
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- perforated plate
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Abstract
Present invention is disclosed a kind of refrigerator adopting linear compressor, comprise casing, described linear compressor is arranged in the press storehouse in described casing, described press storehouse comprises first interval of placing described linear compressor, and adjacent with described first interval second is interval, wherein, the perforated plate allowing sound to pass is provided with between described first interval and described second interval, described perforated plate is arranged along refrigerator depth direction, and the wall of at least one and described casing external contact in described second interval offers some through holes.The present invention artificially increases obstacle on the exit path of linear compressor operating noise, and the length of the direction of propagating after changing noise outgoing and propagation path, increase noise energy and dissipate, thus realize the object reducing linear compressor operating noise.
Description
Technical field
The present invention relates to refrigerator noise reduction technology field, particularly a kind of refrigerator adopting linear compressor.
Background technology
The advantages such as linear compressor is little with its volume, self-lubricating, precision height, are more and more applied in refrigerator manufacturing.
Refrigerator relies on compressor work compressed refrigerant refrigeration, in the process, compressor can produce operating noise, and noise is along with the change of compressor operating frequency or power, frequency spectrum is from low frequency to high frequency offset, sound turns to sharply from overcast, simultaneously, compressor operating can produce heat, and overheat of compressor can cause the oil temperature of compressor to rise, and refrigerating efficiency declines, long-time hot operation, also affecting the service life of compressor, for avoiding overheat of compressor, press storehouse being all provided with louvre usually.
See Fig. 1 to 3, louvre open-celled structure on existing press storehouse 1 is simple, on press storehouse 1, normally directly stamp out some through holes 2 as louvre, the parts of through hole 2 place not for changing noise exit direction, also do not have denoising structure in press storehouse 1, compressor 3 operating noise is directly from through hole 2 outgoing, and propagate to surrounding, the path of noise transmission is short, and emanated energy is high, and noise is large.
Especially linear compressor has the feature of self-lubricating, do not need to be communicated with oil circuit, therefore in order to expand the volume of refrigerating chamber bottom refrigerator as far as possible, usually select back side linear compressor being arranged on refrigerator top refrigerating chamber, refrigerator tip position is the position of ear when people stands more, so noise during linear compressor work is particularly evident, in the urgent need to the refrigerator of the less employing linear compressor of a kind of operating noise.
Summary of the invention
The object of the present invention is to provide a kind of refrigerator adopting linear compressor.
For achieving the above object, the present invention adopts following technical scheme:
A kind of refrigerator adopting linear compressor, comprise casing, described linear compressor is arranged in the press storehouse in described casing, described press storehouse comprises first interval of placing described linear compressor, and adjacent with described first interval second is interval, wherein, the perforated plate allowing sound to pass is provided with between described first interval and described second interval, described perforated plate is arranged along refrigerator depth direction, and the wall of at least one and described casing external contact in described second interval offers some through holes.
As further improved technical scheme of the present invention: the opening part of described through hole is provided with refracting plates, described refracting plates is used for the exit direction of linear compressor operating noise to be refracted as towards the rear of refrigerator.
As further improved technical scheme of the present invention: described perforated plate is provided with aperture, the aperture of described aperture is 0.3 ~ 2mm, and the punching rate of described perforated plate is 1% ~ 3%, and the thickness of described perforated plate is 0.2 ~ 2mm, and the width D in described second interval is 5 ~ 20cm.
As further improved technical scheme of the present invention: described press storehouse is arranged in the headroom of described casing.
As further improved technical scheme of the present invention: described press storehouse shell is made up of cover plate and the depressed part be arranged on refrigerator body, and the opening shape of described depressed part and the shape of described cover plate adapt.
As further improved technical scheme of the present invention: described cover plate comprises the first plate body and the second plate body, when described cover plate is installed on described refrigerator, the top board of described first plate body and described casing is positioned at same plane, the rear plate of described second plate body and described casing is positioned at same plane, and described through hole is arranged on described first plate body and described second plate body.
As further improved technical scheme of the present invention: on described first plate body, the opening part of through hole is provided with refracting plates, described refracting plates is used for the exit direction of linear compressor operating noise to be refracted as towards the rear of refrigerator.
As further improved technical scheme of the present invention: the thickness of described cover plate is 0.3 ~ 0.8mm.
As further improved technical scheme of the present invention: be also formed with interval the 3rd adjacent interval with described first in described press storehouse, the perforated plate allowing sound to pass is provided with between described first interval and described 3rd interval, described perforated plate is arranged along refrigerator depth direction, and described first interval is between described second interval and described 3rd interval.
As further improved technical scheme of the present invention: described press storehouse inwall does not establish at least one region of through hole to be coated with sound absorbing layer.
As further improved technical scheme of the present invention: described sound absorbing layer is for being greater than made by the polyester fiber of 0.3 90 ~ 1100hz frequency range noise sound-absorption coefficient.
Relative to prior art, technique effect of the present invention is:
The refrigerator of employing linear compressor of the present invention, the exit path of linear compressor operating noise artificially increases obstacle, and the length of the direction of propagating after changing noise outgoing and propagation path, increase noise energy and dissipate, thus realize the object reducing linear compressor operating noise.
Accompanying drawing explanation
Fig. 1 is the backsight structural representation in existing press storehouse;
Fig. 2 is the sectional structure schematic diagram in A-A direction in Fig. 1;
Fig. 3 is the side-looking structural representation in existing press storehouse;
Fig. 4 is visual angle, the back side schematic diagram adopting the refrigerator of linear compressor to open cover plate in embodiment 1;
Fig. 5 is the side-looking structural representation of the refrigerator adopting linear compressor in embodiment 1;
Fig. 6 is the backsight structural representation in press storehouse in embodiment 1;
Fig. 7 is the sectional structure schematic diagram in B-B direction in Fig. 6;
Fig. 8 is the side-looking structural representation in press storehouse in embodiment 1;
Fig. 9 is visual angle, the back side schematic diagram adopting the refrigerator of linear compressor to open cover plate in embodiment 2;
Figure 10 is the side-looking structural representation of the refrigerator adopting linear compressor in embodiment 2;
Figure 11 is the backsight structural representation in press storehouse in embodiment 2;
Figure 12 is the sectional structure schematic diagram in C-C direction in Figure 11;
Figure 13 is the side-looking structural representation in press storehouse in embodiment 2.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
In each embodiment, same or similar structure have employed identical label.
Embodiment 1
See Fig. 4 to 5, a kind of refrigerator adopting linear compressor, comprise casing 4, linear compressor 5 is arranged in the press storehouse 1 in casing 4 headroom, press storehouse 1 shell is made up of cover plate 6 and the depressed part be arranged on refrigerator body 4, the opening shape of depressed part and the shape of cover plate 6 adapt, when cover plate 6 is fixed on depressed part opening part and depressed part jointly form a receiving space.
In the present embodiment, cover plate 6 is made up of with the second plate body 62 being positioned at casing 4 rear portion the first plate body 61 being positioned at casing 4 top, first plate body 61 and the second plate body 62 are arranged in L-type, concrete, when cover plate 6 is installed on refrigerator, the top board of the first plate body 61 and casing 4 is positioned at same level, and the rear plate of the second plate body 62 and casing 4 is positioned at same level.
See Fig. 6 to 8, press storehouse 1 comprises first interval 11 of placing linear compressor 5, second and third interval 12,13 adjacent with the first interval 11, wherein, the perforated plate 8 allowing sound to pass is provided with along refrigerator depth direction between first interval 11 and second interval 12, also perforated plate 8, first interval 11 allowing sound to pass is provided with along refrigerator depth direction between the second interval 12 and the 3rd interval 13 between first interval 11 and the 3rd interval 13.
Perforated plate 8 is provided with the aperture running through described perforated plate 8, after noise sound wave enters aperture by the first interval 11, aperture and the air molecule in second and third interval 12,13 will produce vibration friction, consume part acoustic energy, when the frequency of noise in aperture is consistent with frequency noise in second and third interval 12,13, violent resonance will be produced, noise sound wave will overcome the frictional resistance acting of the inner surface in aperture and second and third interval 12,13, so a large amount of acoustic energy changes thermal energy consumption into and dissipates, thus reaches the object absorbing noise.
The wall of at least one and casing 4 external contact in second and third interval 12,13 offers some through holes 2, in the present embodiment, through hole 2 is arranged on the first plate body 61 and the second plate body 62 simultaneously, and certainly, through hole 2 also can be arranged on separately on the first plate body 61 or the second plate body 62.
The opening part of the first plate body 61 and the second plate body 62 through hole 2 is provided with refracting plates 9, refracting plates 9 is for being refracted as towards the rear of refrigerator by the exit direction of linear compressor 5 operating noise, noise after propagating through wall reflection to refrigerator rear again forward direction enter people's ear, because propagation path lengthens, the effect of noise attenuation can be played.Certainly in other embodiments of the present invention, refracting plates 9 also only can be arranged on the opening part of the first plate body 61 through hole 2.
On perforated plate 8, the aperture of aperture is 0.3 ~ 2mm, the punching rate of perforated plate 8 is 1% ~ 3%, the thickness of perforated plate 8 is 0.2 ~ 2mm, the width D in second and third interval 12,13 is 5 ~ 20cm, according to above optimum configurations perforated plate 8, the highest to main frequency range (90 ~ 1100hz frequency range) sound-absorption coefficient residing for linear compressor 5 operating noise.
The thicker soundproof effect of cover plate 6 is better, but blocked up cover plate 6 also can increase manufacturing cost, and the thickness of cover plate 6 is preferably 0.3 ~ 0.8mm.
Embodiment 2
See Fig. 9 to 10, a kind of refrigerator adopting linear compressor, comprise casing 4, linear compressor 5 is arranged in the press storehouse 1 in casing 4 headroom, press storehouse 1 shell is made up of cover plate 6 and the depressed part be arranged on refrigerator body 4, the opening shape of depressed part and the shape of cover plate 6 adapt, when cover plate 6 is fixed on depressed part opening part and depressed part jointly form a receiving space.
In the present embodiment, cover plate 6 is made up of separately the first plate body 61 being positioned at casing 4 top, and when cover plate 6 is installed on refrigerator, the top board of the first plate body 61 and casing 4 is positioned at same level.Certainly, cover plate 6 also can be made up of separately the second plate body being positioned at casing 4 rear portion in other embodiments of the present invention.
See Figure 11 to 13, press storehouse 1 comprises first interval 11 of placing linear compressor 5, second interval 12 adjacent with the first interval 11, wherein, be provided with the perforated plate 8 allowing sound to pass between first interval 11 and second interval 12, described perforated plate 8 is arranged along refrigerator depth direction.
Perforated plate 8 is provided with the aperture running through described perforated plate 8, after noise sound wave enters aperture by the first interval 11, air molecule in aperture and the second interval 12 will produce vibration friction, consume part acoustic energy, when the frequency of noise in aperture is consistent with frequency noise in the second interval 12, will produce violent resonance, noise sound wave will overcome the frictional resistance acting of the inner surface in aperture and the second interval 12, so a large amount of acoustic energy changes thermal energy consumption into and dissipates, thus reaches the object absorbing noise.
The wall of at least one and casing 4 external contact in the second interval 12 offers some through holes 2, and in the present embodiment, through hole 2 is arranged on the first plate body 61.
The opening part of through hole 2 is provided with refracting plates 9, refracting plates 9 is for being refracted as towards the rear of refrigerator by the exit direction of linear compressor 5 operating noise, noise after propagating through wall reflection to refrigerator rear again forward direction enter people's ear, due to propagation path lengthen, the effect of noise attenuation can be played.
On perforated plate 8, the aperture of aperture is 0.3 ~ 2mm, the punching rate of perforated plate 8 is 1% ~ 3%, the thickness of perforated plate 8 is 0.2 ~ 2mm, the width D in the second interval 12 is 5 ~ 20cm, according to above optimum configurations perforated plate 8, the highest to main frequency range (90 ~ 1100hz frequency range) sound-absorption coefficient residing for linear compressor 5 operating noise.
The thicker soundproof effect of cover plate 6 is better, but blocked up cover plate 6 also can increase manufacturing cost, and the thickness of cover plate 6 is preferably 0.3 ~ 0.8mm.
Press storehouse 1 inwall does not establish at least one region of through hole 2 to be coated with sound absorbing layer 10, in the present embodiment, sound absorbing layer 10 is arranged in first area just on side compression machine storehouse 1 inwall of perforated plate 8, with on press storehouse 1 inwall of perforated plate in first area 8 both sides, wherein, sound absorbing layer 10 is for being greater than made by the polyester fiber of 0.3 90 ~ 1100hz frequency range noise sound-absorption coefficient.
Certainly, meet do not block the prerequisite of through hole 2 under, sound absorbing layer 10 can be arranged on any one or more region of not establishing through hole 2 of press storehouse 1 inwall, such as, can be arranged on second area and not establish on press storehouse 1 inwall of through hole 2.
The refrigerator of employing linear compressor of the present invention, the exit path of linear compressor operating noise artificially increases obstacle, and the length of the direction of propagating after changing noise outgoing and propagation path, increase noise energy and dissipate, thus realize the object reducing linear compressor operating noise.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to aforementioned embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned each embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the present invention.
Claims (11)
1. one kind adopts the refrigerator of linear compressor, comprise casing, described linear compressor is arranged in the press storehouse in described casing, it is characterized in that, described press storehouse comprises first interval of placing described linear compressor, and adjacent with described first interval second is interval, wherein, the perforated plate allowing sound to pass is provided with between described first interval and described second interval, described perforated plate is arranged along refrigerator depth direction, and the wall of at least one and described casing external contact in described second interval offers some through holes.
2. the refrigerator of employing linear compressor according to claim 1, is characterized in that, the opening part of described through hole is provided with refracting plates, and described refracting plates is used for the exit direction of linear compressor operating noise to be refracted as towards the rear of refrigerator.
3. the refrigerator of employing linear compressor according to claim 1, is characterized in that, described perforated plate is provided with aperture, the aperture of described aperture is 0.3 ~ 2mm, the punching rate of described perforated plate is 1% ~ 3%, and the thickness of described perforated plate is 0.2 ~ 2mm, and the width D in described second interval is 5 ~ 20cm.
4. the refrigerator of employing linear compressor according to claim 1, is characterized in that, described press storehouse is arranged in the headroom of described casing.
5. the refrigerator of employing linear compressor according to claim 4, is characterized in that, described press storehouse shell is made up of cover plate and the depressed part be arranged on refrigerator body, and the opening shape of described depressed part and the shape of described cover plate adapt.
6. the refrigerator of employing linear compressor according to claim 5, it is characterized in that, described cover plate comprises the first plate body and the second plate body, when described cover plate is installed on described refrigerator, the top board of described first plate body and described casing is positioned at same plane, the rear plate of described second plate body and described casing is positioned at same plane, and described through hole is arranged on described first plate body and described second plate body.
7. the refrigerator of employing linear compressor according to claim 6, is characterized in that, on described first plate body, the opening part of through hole is provided with refracting plates, and described refracting plates is used for the exit direction of linear compressor operating noise to be refracted as towards the rear of refrigerator.
8. the refrigerator of employing linear compressor according to claim 5, is characterized in that, the thickness of described cover plate is 0.3 ~ 0.8mm.
9. the refrigerator of employing linear compressor according to claim 1, it is characterized in that, interval the 3rd adjacent interval with described first is also formed in described press storehouse, the perforated plate allowing sound to pass is provided with between described first interval and described 3rd interval, described perforated plate is arranged along refrigerator depth direction, and described first interval is between described second interval and described 3rd interval.
10. the refrigerator of employing linear compressor according to claim 1, is characterized in that, described press storehouse inwall does not establish at least one region of through hole to be coated with sound absorbing layer.
The refrigerator of 11. employing linear compressors according to claim 10, its spy is, described sound absorbing layer is for being greater than made by the polyester fiber of 0.3 90 ~ 1100hz frequency range noise sound-absorption coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752931.1A CN105222474A (en) | 2015-11-06 | 2015-11-06 | Adopt the refrigerator of linear compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752931.1A CN105222474A (en) | 2015-11-06 | 2015-11-06 | Adopt the refrigerator of linear compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105222474A true CN105222474A (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510752931.1A Pending CN105222474A (en) | 2015-11-06 | 2015-11-06 | Adopt the refrigerator of linear compressor |
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| Country | Link |
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| CN (1) | CN105222474A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705528A (en) * | 2016-12-27 | 2017-05-24 | 青岛海尔股份有限公司 | Refrigerator and compressor denoising device thereof |
| CN107036332A (en) * | 2017-03-28 | 2017-08-11 | 青岛海尔特种电冰柜有限公司 | Refrigeration plant and compressor cabin design method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145229A (en) * | 1995-11-24 | 1997-06-06 | Mitsubishi Electric Corp | Refrigerator |
| CN2811882Y (en) * | 2005-08-03 | 2006-08-30 | 河南新飞电器有限公司 | Low noise refrigerator |
| CN201438065U (en) * | 2009-07-09 | 2010-04-14 | 顺德职业技术学院 | Silent refrigerator |
| CN204594036U (en) * | 2014-12-22 | 2015-08-26 | 合肥美的电冰箱有限公司 | Refrigeration plant |
-
2015
- 2015-11-06 CN CN201510752931.1A patent/CN105222474A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145229A (en) * | 1995-11-24 | 1997-06-06 | Mitsubishi Electric Corp | Refrigerator |
| CN2811882Y (en) * | 2005-08-03 | 2006-08-30 | 河南新飞电器有限公司 | Low noise refrigerator |
| CN201438065U (en) * | 2009-07-09 | 2010-04-14 | 顺德职业技术学院 | Silent refrigerator |
| CN204594036U (en) * | 2014-12-22 | 2015-08-26 | 合肥美的电冰箱有限公司 | Refrigeration plant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705528A (en) * | 2016-12-27 | 2017-05-24 | 青岛海尔股份有限公司 | Refrigerator and compressor denoising device thereof |
| WO2018121565A1 (en) * | 2016-12-27 | 2018-07-05 | 青岛海尔股份有限公司 | Refrigerator and compressor-bin denoising device thereof |
| CN107036332A (en) * | 2017-03-28 | 2017-08-11 | 青岛海尔特种电冰柜有限公司 | Refrigeration plant and compressor cabin design method |
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Application publication date: 20160106 |