CN2837748Y - Noise reducing device for refrigerator - Google Patents
Noise reducing device for refrigerator Download PDFInfo
- Publication number
- CN2837748Y CN2837748Y CNU2004900000073U CN200490000007U CN2837748Y CN 2837748 Y CN2837748 Y CN 2837748Y CN U2004900000073 U CNU2004900000073 U CN U2004900000073U CN 200490000007 U CN200490000007 U CN 200490000007U CN 2837748 Y CN2837748 Y CN 2837748Y
- Authority
- CN
- China
- Prior art keywords
- refrigerator
- cover plate
- bin
- condenser
- freezer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Refrigerator Housings (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a noise reducing device for refrigerators, which is composed of an outer wall, an inner wall and at least one refrigeration system, wherein the refrigeration system is at least provided with an evaporator, a compressor and a condenser; cooling medium circulates through a refrigeration pipe; a plurality of evaporators are arranged in a box; the compressor is arranged in a compressor space; at least one condenser is arranged on the outer wall of the back of the box; the condenser space vertically extends between the outer wall and the condenser; at least one compressor open type space is arranged on the rear side of the box. The utility model is characterized in that at least one cover board is positioned on the back of the box and at least covers a part of the condenser; the cover board is horizontally arranged on the back of the casing; an acoustic board is positioned between the cover board and the condenser. By arrangement of the acoustic board and the cover board, the utility model effectively reduces ambient noise of the refrigerators and promotes the air to circulate in passages so as to guarantee heat conduction.
Description
Technical field
The utility model relates to a kind of refrigerator or/and refrigerator-freezer, and particularly it reduces the device of noise, refrigerator or/and refrigerator-freezer by outer wall, inwall and at least one cooling system are formed, this cooling system is provided with an evaporimeter at least, a compressor and condenser, and cooling medium circulates by cooling tube.Described some evaporimeters are set at bin inside, and described compressor is set at the compressor space, have at least a condenser to be arranged on the outer wall at described bin rear portion, so that stretch to vertical direction between outer wall and condenser in the space of condenser.At least one compressor open space is arranged on the bin rear side.
Background technology
It is foodstuff storing that traditional refrigerator-freezer formula refrigerator provides at least one bin unit, and each unit is closed in the lining of described bin and door.Bin has at least a cooling system to be used for cooling off the bin unit.If bin has refrigeration and freezing function, it can comprise two different cooling systems.Each cooling system comprises an evaporimeter at least, a condenser and a compressor.For example compressor can be refrigerating unit and freezing unit is used.Cooling system also comprises the cooling tube that cooling medium flows.Cooling medium cycles through the cooling system of sealing from the evaporimeter to the condenser.Heat is absorbed by the medium in the evaporimeter in each unit, the thermal medium evaporation of absorption, and the medium that evaporates in condenser conduction heat energy makes medium be liquefied once more again to extraneous air.Compressor keeps the pressure of medium and it is circulated in cooling system.
Condenser covers the major part of trailing flank usually usually along the vertical setting of the trailing flank of bin, and it comprises many parallel elements that fin-shaped distributes that are, so that increase and extraneous contact surface.Usually have a space that air is flowed along condenser between trailing flank and condenser, this space forms the vertical channel along trailing flank, and when the medium of air from condenser absorbed heat energy, air begins to rise, and general air is along channel flow.
Compressor operated by rotary motion in the cooling system if bin has two compressors, is set at the same space usually in the compressor space of bin bottom, this space is rectangular stretches to greatest extent at the bin rear portion and somewhat forward.This space according to volume in the bin unit is arranged, passage or pipeline connection are arranged to open compressor space, front side, bin bottom, this passage helps the heat of circulation of air and condenser to be transmitted, compressor and radiator are arranged on same space and also produce a lot of heat, this heat is dispelled the heat by air-flow, air-flow cycles through channel bottom, makes progress along condenser passages via the compressor space.
The subject matter of this type cooling system is the generation of noise, the noise that produces of media flow or boiling for example, or the sympathetic response of compressor electric motor vibration, mobile noise also occurs in the radiator of cooling system, and especially, the compressor space communicates with the external world, noise results from compressor and radiator, for example when noise that compressor operation produced, lubricating oil stirs the noise that produces, and the flow noise that produced of cooling medium promptly is the sympathetic response of flowing and producing with open space around bin.
The utility model content
The purpose of this utility model provides a kind of refrigerator of cooling system or solution that refrigerator-freezer solves the noise transmission problem of being provided with, for example, compressor noise is propagated and is slackened effectively in this system, and the transmission of the heat of bin also fully effectively, any problem can not take place in cooling system.
The utility model relates to a kind of refrigerator or/and refrigerator-freezer, and it is by outer wall, and inwall and at least one cooling system are formed, and this cooling system is provided with an evaporimeter at least, a compressor and condenser, and cooling medium circulates by cooling tube.Described some evaporimeters are set at bin inside, and described compressor is set at the compressor space, have at least a condenser to be arranged on the outer wall at described bin rear portion, so that stretch to vertical direction between outer wall and condenser in the space of condenser.At least one compressor open space is arranged on the bin rear side.The utility model has at least a cover plate to be installed in the rear side of described bin, and partly covers in described condenser, described cover plate and the parallel installation of bin outer wall rear side, and sound arrester is installed between cover plate and the condenser.
In addition, described open compressor space tegmentum plate portion hides, and the part of its covering comprises the opening portion that vertical direction makes progress, and this opening portion is channelled compressor space, and described at least cover plate is suitable for and the parallel installation in surface of bin posterior vertical.Described cover plate is at least by metal, and plastics or sound-absorbing soft material constitute.
In addition, described sound arrester is made up of the acoustical panel of manufacturing with sound-absorbing material, and being suitable for use as sound-absorbing material is polyester form.Concrete cover plate have two along the cover plate left and right sides vertically extending parallel shoulder, be connected with the part of rear side by shoulder, very Mi Feng cover plate is connected with lower horizontal surface with bin both sides vertical plane.
Cover plate extends to the highest point in compressor space always from the bottom water plane of bin specifically, described acoustical panel is installed on the plastic plate of bin, acoustical panel extends to the highest point in compressor space always from the bottom water plane of bin, acoustical panel is filled in the space of metallic plate and condenser.
And then the horizontal compressor passage connects the compressor space of relative bin front portion, and compressor bottom surface passage is covered by the sound-absorbing material that the polyester form material constitutes, and covers half volume of compressor passage at least.
Description of drawings
By the following drawings the utility model is described further, wherein:
Fig. 1 represents the current refrigerator or the rear view of refrigerator-freezer;
Fig. 2 represents the rear view of the similar Fig. 1 bin of the utility model;
Fig. 3 represents the rear portion exploded view of the utility model Fig. 2;
Fig. 4 represents the component diagram of the rear portion exploded view of the utility model Fig. 2.
The specific embodiment
Referring to Fig. 1-4 pair of description of the present utility model, wherein Fig. 1 has represented the current refrigerator or the rear portion of refrigerator-freezer.Bin comprises the outer wall of manufacturing with metallic plate or plastics usually 10, and closed front is filled with insulation material with the interior cover (not expression among the figure) of mold moulding between outer wall and interior cover.Door is (not expression among the figure) in the bin front portion, has closed the bin unit of cover in having, and bin has some unit, and each bin unit all has refrigeration or freezing function.
Bin includes the back plate 11 of keeping the space with snap fastener 12 in addition, forms the part of outer wall 10, and this form is the non-form that needs, but it is expressed the back plate and how to install.The back plate that has snap fastener is called the bin rear portion, and condenser 13 is installed in the bin rear portion, and condenser is made up of rear-mounted pipeline 14, and it turns round parallel installation along the rear portion.Condenser also has fin-shaped distributed component 15 to improve the conduction of heat.Condenser is supported by support 18, keeps the parallel distance at condenser and rear portion, forms condenser 13 by low rear channels upwards.
Compressor (not having expression among the figure) generally is placed in the compressor space of bin bottom, if bin has two compressors, this two compressor generally also is placed in same space, and cooling system also comprises an evaporimeter (not expression among the figure), is placed in same space.As shown in Figure 1, this space is the extension of bin rear portion rectangle, this volume exclusion the volume of bin unit, as if entered into this unit.Yet passage 17 is communicated with the compressor space, and this space is relative with the front in the bin bottom.
For compressor and condenser 13 air circulation make the conduction thermal transpiration, the air driven of heat air flow, thermal current enters into compressor space 16 from the open front end of passage 17, makes progress along condenser by passage, the air that does not stop upwards flows to other places, and heat is distributed with air-flow.
The problem of cooling system is usually to produce noise, the noise that boiling or flow media produce, or the resonance that produces of compressor electric motor, noise hindered the user, most noises are directly from the vibrations of compressor and the flow media of evaporimeter.Characteristics of the present utility model are to overcome noise problem, effectively conduct for heat to make air circulation.
Shown in Fig. 2-4, cover plate 20 contains the material of metal, plastics or other absorption sound at least, this cover plate is arranged on the outside of condenser and has covered compressor space, rear portion, being arranged on the plate of vertical back of described cover plate 20, described cover plate 20 is placed on the back parallel direction of described outer wall 10.Upwards cover half of bin rear portion at least along the rear portion from the low side of bin in Fig. 2 cover plate 20, this cover plate is arranged on the outside of condenser and has covered compressor space, rear portion, this cover plate is suitable for being made into plastics the vacuum shuttering of 2 millimeters thick, and suitable plastics are polystyrene butadiene.Whole parts of the present utility model in Fig. 3, have been showed, acoustical panel 21 is installed between cover plate and the bin rear portion, for example acoustical panel can be manufactured with the quieter material polyester form, acoustical panel slightly is out of shape in order to adapt to the installation of bin, and then the heat of quieter material energy noise reduction and the generation of processing cooling system, quieter material can dispel the heat and non-conducting sound by its optical fiber structure.In Fig. 4, show the cover plate 20 of bin rear portion to dress, do not describe the acoustical panel 21 of thickness in detail, acoustical panel 21 slightly is out of shape for the assembling of better adaptation with bin, cover plate has two horizontal legs 22 to be covered by acoustical panel, cover plate has two tabs shape shoulders 23, cover plate is fully showed in the drawings, shoulder along the cover plate left and right sides from the high-end low side that extends to, 2 millimeters reinforcement 24 helps to improve the intensity of cover plate 20, concrete cover plate 20 is suitable for about 1100 millimeters long, and acoustical panel is suitable for about 600 millimeters long.
Its consequence is as shown in Figure 2, and cover plate 20 has covered the rear portion of bin at least with acoustical panel, and the installation that has the cover plate of shoulder slightly increases the size of bin, and essence is that cover plate increases the bin level backward.Roughlly speaking cover plate and the parallel assembling of the vertical surface at bin rear portion.
The passage that forms between condenser 13 and back plate 11 is not subjected to the influence of cover plate 20 and acoustical panel 21, circulating air is via passage 17, by compressor space 16 upwards along the passage that forms between condenser 13 and the back plate 11, shoulder with snap fastener 12 combinations hinders leaking of air, therefore circulating air can be with compressor, and the heat that evaporimeter and condenser produce is effectively taken away.
In addition, cover plate and acoustical panel have been isolated the noise that passes to the bin outside that is produced by compressor and evaporimeter, the noise of Chuan Boing is stopped by cover plate 20 and acoustical panel 21 backward, noise is upwards propagated the passage that forms by condenser 13 and is absorbed by acoustical panel 21, acoustical panel slightly extends upward along passage, cover plate is 1100 millimeters, and acoustical panel is 600 millimeters its erasure effect the bests, helps vision the conduction of heat is had negative influence though increase the height of cover plate and acoustical panel.
For further increasing sound-absorbing, acoustical panel 25 also is placed on the inboard of passage 17, its be placed on compressor space 16 and with the anterior relative open space of bin between, as shown in Figure 3, this acoustical panel has covered the bottom of whole passage 17, this acoustical panel width meets the width in compressor space, and this acoustical panel is used with the same material of acoustical panel 21 and manufactured.The volume pack portion passage of acoustical panel in addition, half of for example filling channel volume.The passage horizontal-extending is the bottom from compressor space 16 to bin, and passage 17 is sealed by the top board of two perpendicular outer wall 10 and unit bottom.
Propagation by passage 17 is absorbed by acoustical panel 25 from the noise of compressor and evaporimeter, and the volume of acoustical panel 25 farthest reaches sound-absorbing effect and circulation of air is not had a negative impact.The volume of acoustical panel 25 can be half of passage 17.
Content according to the utility model record does not break away from its spirit or substantive features, and the enforcement skilled by the insider will get a good review.Therefore content of the present utility model is not subjected to the restriction of specification record, but relies on many claims, and the equivalent variations that its intension and scope are made all comprises within it.
This means that the related scope of the utility model is to avoid the noise emission of refrigerator and refrigerator-freezer to its space on every side with the material that reduces the cooling system noise.And use the cover plate that is positioned at the bin rear side, under the situation that does not have the lost heat conduction effect, reach this purpose.The skilled people in the industry should be understood that the combination that replaces another cover plate or several cover plates with described cover plate, can strengthen the absorption of noise.Described cover plate size needn't be regarded restriction as, can select the size of cover plate according to the material of bin and cover plate.Clearly, the skilled people in the industry can select suitable cover plate so that the maximum absorption of noise, and does not lose a lot of heat flows.The size of selected acoustical panel also will be fit to the horizontal channel on the compressor space.
The skilled people in the industry also should be understood that for refrigerator and freezing equipment identical solution: use the cooling system of band fan, the fan on the cooling system of band fan is placed on the top of bin rear side, is in kind covered by a cover plate.Extend to the top of electric fan with described identical cover plate, perhaps the unnecessary part of cover plate vertically repeatedly is placed on first cover plate.The requirement of circulation of air and noise absorption also solves by identical method, and solution is all in scope of the present utility model.Particularly the selection of the utility model and material with use relevant.
Claims (15)
1. a refrigerator is or/and the reduction noise device of refrigerator-freezer, it is by outer wall, inwall and at least one cooling system are formed, this cooling system is provided with an evaporimeter at least, one compressor and condenser (13), cooling medium circulates by cooling tube, described some evaporimeters are set at bin inside, described compressor is set at compressor space (16), have at least a condenser (13) to be arranged on the outer wall at described bin rear portion, stretch to vertical direction between outer wall and condenser in the space of condenser, at least one compressor open space (16) is arranged on the bin rear side, it is characterized in that at least one cover plate (20) is positioned at the back of described bin, at least covered a part of described condenser, described cover plate (20) is placed on the back horizontal direction of described shell (10), and acoustical panel (21) is positioned between described cover plate (20) and the condenser (13).
2. refrigerator according to claim 1 is or/and the reduction noise device of refrigerator-freezer is characterized in that at least one cover plate (20) has covered the part in described compressor space.
3. refrigerator according to claim 2 is or/and the reduction noise device of refrigerator-freezer is characterized in that described compressor space comprises at least one part towards described bin back, and it is connected condenser with compressor space (16) by passage.
4. refrigerator according to claim 1 and 2 is or/and the reduction noise device of refrigerator-freezer, it is characterized in that this cover plate is arranged on the outside of condenser and has covered compressor space, rear portion, being arranged on the plate of vertical back of described cover plate (20), described cover plate (20) is placed on the back parallel direction of described outer wall (10).
5. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer, it is characterized in that absorption sound material that described cover plate (20) contains metal, plastics at least covers half of bin at least.
6. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer is characterized in that acoustical panel comprises the acoustical panel made from sound-absorbing material.
7. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer, it is characterized in that two snap fasteners (12) are arranged above the described cover plate (20), snap fastener (12) vertically extends along the right and left of described cover plate (20), and described cover plate (20) is by the rear portion interlock of described snap fastener (12) and described outer wall.
8. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer is characterized in that described cover plate (20) is connected with lower horizontal plane with two vertical planes in its underpart at least with the airtight surface of bin.
9. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer is characterized in that described cover plate (20) extends to the vertical section highest point in described compressor space (16) at least from the bottom of bin.
10. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer is characterized in that described acoustical panel (21) is positioned at the one side of cover plate (20) towards bin.
11. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer is characterized in that described acoustical panel (21) extends to the vertical section highest point in described compressor space 16 at least from the bottom of bin.
12. refrigerator according to claim 4, is characterized in that described acoustical panel (21) filled the space between cover plate (20) and the condenser (13) or/and the reduction noise device of refrigerator-freezer.
13. refrigerator according to claim 1 is or/and the reduction noise device of refrigerator-freezer is characterized in that a passage (17) of described bin front portion links to each other with compressor space (16), the bottom of passage (17) is covered by the sound-absorbing material of acoustical panel (25).
14. refrigerator according to claim 13 or/and the reduction noise device of refrigerator-freezer, it is characterized in that acoustical panel (25) occupy the whole of described passage (17) or at least half.
15. refrigerator according to claim 4 is or/and the reduction noise device of refrigerator-freezer is characterized in that sound-absorbing material comprises the polyester form material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0300646A SE0300646D0 (en) | 2003-03-10 | 2003-03-10 | Sound attenuation system |
| SE03006467 | 2003-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837748Y true CN2837748Y (en) | 2006-11-15 |
Family
ID=20290626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004900000073U Expired - Fee Related CN2837748Y (en) | 2003-03-10 | 2004-02-26 | Noise reducing device for refrigerator |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1604159B1 (en) |
| JP (1) | JP3129225U (en) |
| CN (1) | CN2837748Y (en) |
| AT (1) | ATE485485T1 (en) |
| DE (1) | DE602004029656D1 (en) |
| SE (1) | SE0300646D0 (en) |
| WO (1) | WO2004081473A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907377A (en) * | 2010-08-16 | 2010-12-08 | 倪既民 | Air passage radiating electric refrigerator |
| CN103615854A (en) * | 2013-10-17 | 2014-03-05 | 宁波罗特电器有限公司 | Refrigerating cabinet with heat dissipating device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2136168B1 (en) | 2008-06-20 | 2020-01-15 | Electrolux Home Products Corporation N.V. | A cooling apparatus condenser, and a cooling apparatus including the same |
| DE102012003147A1 (en) * | 2012-01-24 | 2013-07-25 | Liebherr-Hausgeräte Lienz Gmbh | Fridge and / or freezer |
| DE102012001569A1 (en) * | 2012-01-27 | 2013-08-01 | Liebherr-Hausgeräte Ochsenhausen GmbH | Cooling and freezing apparatus has sound absorbing elements which are connected and attached at compressor recess to absorb noise generated by components, and are not arranged as integral element |
| WO2018080473A1 (en) * | 2016-10-26 | 2018-05-03 | Whirlpool Corporation | Skin condenser design integrated in the refrigerator back |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB547360A (en) * | 1940-09-27 | 1942-08-24 | British Thomson Houston Co Ltd | Improvements in and relating to refrigerator cabinets |
| US3785168A (en) * | 1972-12-18 | 1974-01-15 | Gen Electric | Household refrigerator |
| IT211720Z2 (en) * | 1987-02-06 | 1989-04-07 | Zanussi Elettrodomestici | DOMESTIC REFRIGERATOR OR FREEZER WITH CLOSING BACK WALL. |
| DE4243320A1 (en) * | 1992-12-21 | 1994-06-23 | Illbruck Gmbh | Refrigeration cabinets |
| KR20030004899A (en) * | 2001-07-07 | 2003-01-15 | 엘지전자 주식회사 | Refrigerator with condenser and backcover in one |
-
2003
- 2003-03-10 SE SE0300646A patent/SE0300646D0/en unknown
-
2004
- 2004-02-26 WO PCT/SE2004/000267 patent/WO2004081473A1/en active IP Right Grant
- 2004-02-26 CN CNU2004900000073U patent/CN2837748Y/en not_active Expired - Fee Related
- 2004-02-26 EP EP04714991A patent/EP1604159B1/en not_active Expired - Lifetime
- 2004-02-26 JP JP2006600009U patent/JP3129225U/en not_active Expired - Fee Related
- 2004-02-26 DE DE602004029656T patent/DE602004029656D1/en not_active Expired - Lifetime
- 2004-02-26 AT AT04714991T patent/ATE485485T1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907377A (en) * | 2010-08-16 | 2010-12-08 | 倪既民 | Air passage radiating electric refrigerator |
| CN103615854A (en) * | 2013-10-17 | 2014-03-05 | 宁波罗特电器有限公司 | Refrigerating cabinet with heat dissipating device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004081473A1 (en) | 2004-09-23 |
| EP1604159B1 (en) | 2010-10-20 |
| ATE485485T1 (en) | 2010-11-15 |
| DE602004029656D1 (en) | 2010-12-02 |
| JP3129225U (en) | 2007-02-15 |
| SE0300646D0 (en) | 2003-03-10 |
| EP1604159A1 (en) | 2005-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061115 |