CN101641559A - The acoustic resonator of refrigeration plant cabinet is arranged - Google Patents
The acoustic resonator of refrigeration plant cabinet is arranged Download PDFInfo
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- CN101641559A CN101641559A CN200880004785A CN200880004785A CN101641559A CN 101641559 A CN101641559 A CN 101641559A CN 200880004785 A CN200880004785 A CN 200880004785A CN 200880004785 A CN200880004785 A CN 200880004785A CN 101641559 A CN101641559 A CN 101641559A
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- acoustic resonator
- layout
- evaporating pan
- resonator conduit
- conduit
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 49
- 238000001704 evaporation Methods 0.000 claims abstract description 150
- 230000002093 peripheral effect Effects 0.000 claims abstract description 96
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims description 40
- 239000002657 fibrous material Substances 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 12
- -1 polypropylene Polymers 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 239000004793 Polystyrene Substances 0.000 claims description 11
- 229920002223 polystyrene Polymers 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 description 18
- 230000003313 weakening effect Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 10
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- 238000000034 method Methods 0.000 description 5
- 238000012797 qualification Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000002889 sympathetic effect Effects 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
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- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
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- 239000011358 absorbing material Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Images
Classifications
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- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
-
- 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
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- 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
- F25D2201/00—Insulation
- F25D2201/30—Insulation with respect to sound
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/141—Removal by evaporation
- F25D2321/1411—Removal by evaporation using compressor heat
Abstract
The acoustic resonator that the present invention relates to a kind of refrigeration plant cabinet is arranged, described cabinet (3) limits a housing (1) and carry compressor (2) in this housing, this compressor (2) has closed shell (2a) and Defrost water evaporating dish (10), and this evaporating pan (10) comprising: be placed in the diapire (11) on the top part of shell (2a) of compressor (2); With from diapire (11) peripheral wall (12) protruding upward, the peripheral wall (12) of evaporating pan (10) and at least one in the diapire (11) carrying noise absorption device, this noise absorption device turn to the noise in the described housing (1) to generate zone and its size and are designed to the corresponding frequency band of determining limit certain resistance impedance and certain dissipation impedance in the medium of housing (1).
Description
Technical field
The acoustic resonator that the present invention relates to provide in the refrigeration plant cabinet is arranged; the acoustic resonator that provides in the zone of compressor of refrigeration system of described refrigeration plant especially is provided in this cabinet arranges, wherein can occur by the running of compressor usually and/or be arranged on the noise that running produced of the blower fan in this zone of described housing.More particularly, the acoustic resonator that the present invention relates to provide in the Defrost water evaporating dish of the refrigeration system of refrigerator utensil arranges that described evaporating pan adopts attached to the type on the shell of the hermetic compressor of described refrigeration system.
Background technology
The noise that is sent by refrigerator can be limited in two zones of frequency spectrum: in being lower than the frequency of about 2kHz and be higher than in those frequencies of this value.
In first spectral regions that limits by lower frequency, the excitation of the first acoustics sympathetic response by being limited to the housing in the refrigeration plant rear lower zone, exist strong interaction between refrigeration plant and compressor, the compressor of the refrigeration system of this refrigeration plant is installed in this rear lower zone.These frequencies depend on the size of compressor housing substantially and are made up of the frequency spectrum of the noise that compressor sent.The common noise source of in the refrigeration plant other is a blower fan, and blower fan generally is set in the housing that compressor is installed of described refrigeration plant.Except generating by the high frequency noise that turbulent flow produced, blower fan also has the strong emission under the blade path frequency, and this blade path frequency is the product of the number of blade and speed.
Generally be higher than in second spectral regions of 2kHz in frequency, compressor directly makes a noise, and does not have the interference of too many shell structure or shape, and described compressor is installed in the described housing of refrigeration plant.
Comprise the example and the application of a large amount of noise control technology in the document.(Hansen，H.“Engineering?Noise?Control”，2003，Spon?Press；Lyon，R.H.，“Machinery?Noise?and?Diagnostics”，1987，Butterworth?Publishers；Munjal，M.L.“Acoustics?of?Ducts?and?Mufflers”，1987，New?YorkWiley-Interscience)。
In known conventional prior art, the housing 1 that inside is equipped with compressor 2 covers (Fig. 2) by acoustical material MA, this housing 1 also can be by the plate P sealing that defines an end cap, this plate P inside is provided with the acoustical material MA that covers this housing, as shown in Figure 3, can within the inwall of this housing, not receive this material.In this technical scheme, by the sealing of housing 1, compressor is in housing 1 inner maintenance sealing.
When above-mentioned control technology is unavailable, must in compressor, carry out this control by the thickness of increase shell or by damping element is made an addition to this.
There are some defectives in these technology, such as: be used to cover or the acoustical material of sealing process expensive; The needs of transforming in compressor can increase its cost like this; The rising of compressor temperature; The reduction of fan efficiency; The reduction of compressor efficiency; And to the demand of the additional step in the operation that obtains this refrigeration plant, this demand depends on the needs to the operation of covering of installing and placing described housing and closure elements, this with compressor package in refrigeration plant.
Summary of the invention
First purpose of the present invention is to arrange for the refrigeration plant cabinet provides acoustic resonator, and this acoustic resonator is arranged and made the noise that sent by compressor not only weakened effectively in low frequency but also the broadband at high frequency.
Second purpose of the present invention provides acoustic resonator and arrange, and be as described above, and this acoustic resonator is arranged and can weaken the noise that is produced by the blower fan that is installed in the refrigeration plant effectively in broadband in being accommodated the zone of compressor.
The 3rd purpose of the present invention provides acoustic resonator and arrange, and be as described above, and this acoustic resonator is arranged can weaken the noise that is sent by refrigeration system effectively in broadband.
The 4th purpose of the present invention provides acoustic resonator and arrange, and be as described above, and this acoustic resonator is arranged the sympathetic response that can weaken the enclosure interior that compressor wherein is installed in the refrigeration plant effectively.
The 5th purpose of the present invention provides the acoustic resonator of top described type and arranges that this acoustic resonator is arranged does not need the acoustics cover layer of the housing that compressor wherein is installed in the refrigeration plant, and does not need to change the size of described housing.
The 6th purpose of the present invention provides the acoustic resonator of top described type and arranges that this acoustic resonator is arranged size and/or the thickness that does not need to change compressor case.
These and other objects of the present invention are by realizing for the refrigeration plant cabinet provides acoustic resonator to arrange, described cabinet defines housing and carries in this housing and comprises compressor and the Defrost water evaporating dish that seals shell, and this Defrost water evaporating dish comprises: be placed in the diapire on the top part of compressor case; With the peripheral upper wall that protrudes from diapire, the peripheral wall of this evaporating pan and the carrying of at least one in diapire noise absorption device, at least one acoustic resonator conduit normally, this noise absorption device are diverted noise in the described housing and generate zone and its size and be designed to the corresponding frequency band of determining limit certain resistance impedance and certain dissipation impedance in the medium of housing.
Description of drawings
Describe the present invention below with reference to accompanying drawings, accompanying drawing provides as the example of the possible embodiment of the present invention, wherein:
The longitudinal sectional view of Fig. 1 schematic representation refrigeration plant defines housing at the following rear portion of this refrigeration plant, in this housing refrigeration compressor is installed, and the last external bearer of refrigeration compressor has evaporating pan;
The longitudinal sectional view that Fig. 2 schematic representation is shown in Figure 1, but wherein, the housing that inside is equipped with refrigeration compressor is covered by the noise absorbing material according to prior art;
The partial cut away side views of Fig. 3 schematic representation refrigeration plant shown in Figure 1, this refrigeration plant have the refrigerant compressor housing that is sealed by the noise absorption wall according to the prior art structure;
The zoomed-in view of the refrigeration compressor of the carrying evaporating pan that Fig. 4 schematic representation is shown in Figure 1, but described evaporating pan is selected to construct according to first structure of the present invention;
Fig. 4 a schematic representation modification of selecting according to first structure of evaporating pan of the present invention shown in Figure 4;
The top plan view of Fig. 5 schematic representation evaporating pan shown in Figure 4;
Fig. 6 schematic representation evaporating pan shown in Figure 5 is along the longitudinal sectional view of the line VI-VI among Fig. 5;
The view that Fig. 7 schematic representation the present invention's second structure is as shown in Figure 5 selected;
Fig. 8 schematic representation view as shown in Figure 6 along the second line VIII-VIII among Fig. 7;
The view that Fig. 9 schematic representation the present invention's third and fourth structure is as shown in Figure 5 selected;
The view of the structural change that Fig. 9 a schematic representation third and fourth structure is as shown in Figure 9 selected;
Figure 10 schematic representation view as shown in Figure 8 along the second line X-X among Fig. 9;
The view that Figure 11 schematic representation the present invention's the 4th structure is as shown in Figure 9 selected;
Figure 12 schematic representation view as shown in figure 10 along the second line VII-VII among Figure 11;
The view that Figure 13 schematic representation the present invention's the 5th structure is as shown in Figure 9 selected;
Figure 14 schematic representation view as shown in figure 13 along the second line XIV-XIV among Figure 13;
The view that Figure 15 a schematic representation the present invention's the 6th structure is as shown in Figure 8 selected;
The view of the modification that the present invention six structure of Figure 15 b schematic representation shown in Figure 15 a selected;
The view of another modification that the present invention six structure of Figure 15 c schematic representation shown in Figure 15 a selected;
The view that the present invention seven structure of Figure 15 d schematic representation shown in Figure 15 a selected;
The view that Figure 16 a schematic representation the present invention's the 8th structure along the second line X VI-X VI among Fig. 9 is as shown in figure 10 selected;
The view of the modification that the present invention eight structure of Figure 16 b schematic representation shown in Figure 16 a selected;
The view of another modification that the present invention eight structure of Figure 16 c schematic representation shown in Figure 16 a selected;
The view that Figure 17 a schematic representation the present invention's the 9th structure along the line X VII-X VII among Fig. 9 is as shown in figure 10 selected;
The view of first modification that the present invention nine structure of Figure 17 b schematic representation shown in Figure 17 a selected;
The view of second modification that the present invention nine structure of Figure 17 c schematic representation shown in Figure 17 a selected;
The view of the 3rd modification that the present invention nine structure of Figure 17 d schematic representation shown in Figure 17 a selected;
The view of the 4th modification that the present invention nine structure of Figure 17 e schematic representation shown in Figure 17 a selected.
The specific embodiment
The invention provides the technical scheme of noise of the region generating of the housing 1 that weakening limited in the above, housing 1 is arranged on the rear lower zone of the cabinet 3 of refrigeration plant (for example, adopting the refrigeration plant of refrigerator or refrigerator form).
Housing 1 is limited by the recess among the rear wall 3a of refrigeration plant cabinet 3.
As shown in the figure, carrying evaporating pan 4 above the compressor 2, the size of evaporating pan 4 designed to be able to the water that receives and store from the defrost process of the refrigeration system of refrigeration plant, and described evaporating pan 4 is such, promptly attaches to the closed shell 2a of the compressor 2 of described refrigeration system.
In this structural scheme, evaporating pan 4 is placed on the shell 2a of compressor 2 and makes evaporating pan be compressed the heating of the machine 2 on-stream heats that produce, promote collected evaporation of water.By suitable means evaporating pan 4 is remained on the compressor 2, such as gummed, bonding etc., this is not the characteristic of the technical program.
As shown in the figure, in a kind of possible structure, evaporating pan 4 is made by resistant to elevated temperatures plastic material, such as high resistance polypropylene, and being injection molding usually is shaped is its net shape, described net shape comprises the diapire 4a that combines with peripheral wall 4b, and the height of peripheral wall 4b is enough to limit its defrost water trapped volume that the refrigeration system that is applied thereon is required.In a kind of structure was selected, evaporating pan 4 formed with the single-piece form.
The diapire 4a of evaporating pan 4 can be provided with bottom recess (not shown), generally is restricted to lower surface, and its size designed to be able on certain extension of end face of the shell 2a that is placed in compressor 2.Should be understood that, the shape and size of bottom recess can be decided to be and can coincide with the profile phase of the top part of the shell 2a of compressor 2, thereby allow evaporating pan 4 is installed and is placed on the described top part of shell 2a of compressor 2, be increased in the position stability on the latter and the heat exchange of enhancing and compressor 2.
According to the present invention, realize noise attenuation in the housing 1 by the evaporating pan 10 that carrying noise absorption device is set, this noise absorption device surface generates the zone to the noise in the described housing 1 and is provided with, described noise absorption device size designed to be able in the medium of housing 1 corresponding at least one special frequency band of determining or corresponding to all frequencies that have noise to generate, and limits certain resistance impedance and certain dissipation impedance.Different structural forms in the principle that can be adopted here to be proposed by this noise absorption device of evaporating pan 10 carrying will be discussed some of them below.
As described below, the present invention allows to weaken the noise that is sent by compressor 2 or other source (such as blower fan, for example being installed in the refrigeration plant housing 1).In addition, noise absorption device of the present invention also can be used for eliminating whole or in part the sympathetic response effect that the housing 1 at the cabinet 3 of refrigeration plant is caused.
Evaporating pan 10 of the present invention comprises diapire 11 and peripheral wall 12, and it is with the structural form setting similar to the structural form of prior art evaporating pan 4.
In implementing one embodiment of the present invention, this noise absorption device comprises at least one acoustic resonator conduit 20, this acoustic resonator conduit is arranged in the evaporating pan 10, place along the diapire 11 of evaporating pan 10 and at least one the extension in the peripheral wall 12, described acoustic resonator conduit 20 is arranged in described evaporating pan 10 like this, that is, make first end 21 of this acoustic resonator conduit 20 be configured to turn to the noise in the housing 1 to generate the zone.This acoustic resonator conduit 20 also has second end 22, and this second end and this first end 21 are opposite and separate.
Although purpose of the present invention can utilize an acoustic resonator conduit 20 to reach, but Fig. 4-14 description and illustrated structural form are rendered as the evaporating pan 10 that at least one of its diapire 11 and peripheral wall 12 carrying comprises the noise absorption device of a plurality of acoustic resonator conduits 20, the layout that this acoustic resonator conduit is limited above small part is rendered as, wherein first end 21 of each described acoustic resonator conduit 20 turns to the noise in the housing 1 to generate the zone.The size of each acoustic resonator conduit 20 is designed to have definite length and definite diameter, and described length and diameter are calculated so that corresponding at least one frequency band of determining limits certain resistance impedance and certain dissipation impedance in the medium of housing 1.
The length of acoustic resonator conduit 20 determined need will consider weakened frequency or frequency band, difference between the length of acoustic resonator conduit 20 depends on bandwidth and simultaneously at every kind of situation, also promptly, at the required weakening degree of the characteristic of each housing 1 that will be considered.
According to the present invention, that adopts any structure as described herein can have constant or variable cross section along its length to small part acoustic resonator conduit 20, and the profile of described cross section and the qualification of change procedure are according to the weakening effect that will obtain and make their factor such as equipment and decide.Some possible cross sections in required weakening principle for its variation are: cylinder, circular cone, index or ladder; And for profile, some possible cross sections are: rule, such as rectangle, circular, polygonal, or or even irregular, as under the situation in the hole of fibrous material.
In order to have required effect, acoustic resonator conduit 20 must be adjusted to has frequency or the frequency band of wanting controlled level, this adjustment realizes that by the length and the type of the end of second end 22 of each acoustic resonator conduit 20 described end does not seal, and is open.
In preferred form of the present invention, second end 22 of each acoustic resonator conduit 20 seals.But, should be understood that, according to the present invention, second end 22 can be open, the qualification of described state according to required attenuation characteristics and each acoustic resonator conduit 20 in other main body (such as tubular liner 30 or peripheral ring 40) of evaporating pan 10 and/or the described acoustic resonator conduit 20 of carrying that will describe below layout and decide.
The quantity Calculation of acoustic resonator conduit 20 will be considered its tuning in different frequency, so that the weakening that balance is carried out the noise that is sent in some different frequencies by compressor 2.This frequency can be that disperse very much or approaching, forms weakening zone.
In description, evaporating pan 10 for example carries out the noise absorption device that adopts acoustic resonator conduit 20 forms in conjunction with carrying by at least one one of the surfaces externally and internally in its diapire 11 and peripheral wall 12, shown in Fig. 4,4a, 7 and 8, perhaps each acoustic resonator conduit 20 is formed in the thickness of the diapire 11 of described evaporating pan 10 or peripheral wall 12 (perhaps being formed in the thickness of the two), as illustrated in Figures 5 and 6.
The combination of each acoustic resonator conduit 20 can be whole (Fig. 4,4a, 7 and 8), acoustic resonator conduit 20 is formed on the interior situation of thickness of each wall of evaporating pan 10 as described, or part (Figure 11-14), situation as in the neighbouring surface part of each diapire 11 of evaporating pan 10 and/or peripheral wall 12 makes acoustic resonator conduit 20 for example limit the partial-length at least of described acoustic resonator conduit 20 with the single-piece form like this.In these situations, can limit by one of following structural form with the part of the cross section complementation of acoustic resonator conduit 20: utilize tubular liner 30, peripheral ring 40 or combine separately complementary elements to each acoustic resonator conduit 20 by suitable means, be installed to this complementary elements separately and the peripheral profile complementation of described acoustic resonator conduit 20 on the acoustic resonator conduit 20 that is formed in the evaporating pan 10, cause its cross section at least along the length closure of described acoustic resonator conduit 20, weaken thus described acoustic resonator conduit 20 designed at frequency band in noise.
For utilizing the described noise absorption device of acoustic resonator conduit 20 structures, the distribution of the noise that will weaken in the need consideration housing 1, the present invention allows to provide in evaporating pan 10 difference of acoustic resonator conduit 20 to arrange, in the evaporating pan 10 identical set and quantity that have same size and the acoustic resonator conduit 20 of arranging characteristic according to the zone that is detected high noisy in the housing 1 and should the zone in the frequency band that will weaken calculate.In implementing a kind of mode of the present invention, at least one in the diameter of a plurality of acoustic resonator conduits 20 and the length parameter has identical value.But, should be understood that the size of a plurality of acoustic resonator conduits 20 can equate or be different, depends on the weakening result of plan.Thereby, widen the frequency band that will weaken if desired, this size is different, even only slightly different each other.If determine than narrow-band in the weakening degree must be bigger, then acoustic resonator conduit 20 must have identical size.
Should be understood that, evaporating pan 10 can carry acoustic resonator conduit 20, described acoustic resonator conduit 20 directly is limited at least one of diapire 11 and peripheral wall 12, perhaps acoustic resonator conduit 20 is limited at least one of diapire 11 and peripheral wall 12, as mentioned above by tubular liner 30 or peripheral ring 40 at least in part.Any possible form for evaporating pan 10 carrying acoustic resonator conduits 20, it should be noted that, size according to the housing 1 of the cabinet 3 of refrigeration plant, acoustic resonator conduit 20 must make its end that is arranged on up on the evaporating pan 10 can described end farthest be overlapped with the described top edge of evaporating pan 10 correspondingly from the top edge protrusion of described evaporating pan 10.The end that is arranged on each the acoustic resonator conduit 20 on the evaporating pan 10 in the bottom can surpass the profile location of the peripheral wall 12 of described evaporating pan 10, as long as the layout of evaporating pan 10 on refrigeration compressor 1 neither disturbed in this protrusion location, do not disturb the size of refrigeration compressor 1 to determine and running yet.
In the structure of evaporating pan 10 carrying tubular liner 30, tubular liner 30 within the evaporating pan or outside one of the diapire 11 of contiguous evaporating pan 10 and peripheral wall 12 be provided with, and the whole peripheral profile around diapire 11 that is close to or peripheral wall 12 is placed, and the cross section of at least one the acoustic resonator conduit that is limited by these parts of evaporating pan 10 and tubular liner 30 partly is limited among each of described part.
In implementing this mode of the present invention, the partial-length at least that is rendered as them to small part acoustic resonator conduit 20 limits by two parts are complementary: be limited in the wall of evaporating pan 10 and the tubular liner 30 of being carried by evaporating pan 10 limits another.
In illustrated structure, tubular liner 30 has definite wall thickness, this wall thickness limits in advance according to the cross section of the conduit that structural rigidity, tubular liner 30 parts ground limit, described tubular liner 30 has the inner surface of facing mutually with the neighbouring surface of evaporating pan 10, and the profile of acoustic resonator conduit 20 and cross section partly are limited among in the contiguous opposed face of adjacent wall of tubular liner 30 and evaporating pan 10 each.
According to the present invention, the partial-length at least of at least one acoustic resonator conduit 20 is with each diapire 11 and/or the extension of peripheral wall 12 and/or the extension extension of tubular liner 30 of form straight line or curve along evaporating pan 10.In implementing a kind of mode of the present invention, acoustic resonator conduit 20 is straight at it to the small part extension.
In a structural change of the present invention, at least two acoustic resonator conduits 20 are parallel to each other, or the complete acoustic resonator conduit 20 that is parallel to each other, described acoustic resonator conduit 20 is arranged in the part separately of evaporating pan 10 and/or tubular liner 30 vertically or flatly.Also can tilt to this layout of the acoustic resonator conduit 20 of small part with respect to the longitudinal length of the wall of evaporating pan 10 and/or the longitudinal length of tubular liner 30, be provided with the described acoustic resonator conduit 20 to small part in tubular liner 30, described layout for example becomes diagonal with the described wall that wherein is provided with acoustic resonator conduit 20.These structures that the adjacent wall of acoustic resonator conduit 20 relative evaporating pans 10 obviously tilts are arranged and also can be appeared at described acoustic resonator conduit 20 partly or entirely by in tubular liner 30 or the structure by periphery ring 40 carryings.
The form of acoustic resonator conduit 20, for example, parallel, level, vertical, that tilt, straight line, curve or their combination depend on that described acoustic resonator conduit 20 must be in housing 1 and/or generate the required weakening effect that realizes on the direction in zone at the noise with respect at least one first end of described acoustic resonator conduit 20.
In the illustrated embodiment of Fig. 4 a, an acoustic resonator conduit 20 is horizontally set on the peripheral wall 12 of evaporating pan 10, and other acoustic resonator conduit vertically is provided with simultaneously.Should be understood that the layout of acoustic resonator conduit 20 in their part of carrying is according to necessary directed limit of described acoustic resonator conduit 20 for the zone with the noise that will weaken of housing 1.Thereby, also there is so possible structure, the acoustic resonator conduit 20 that is bunchy is set on evaporating pan 10 and/or the tubular liner 30 with different directions, this different direction is restricted to and makes first end 21 of each bundle acoustic resonator conduit 20 be directed to the weakened definite zone of wanting of housing 1, and the size of the acoustic resonator conduit 20 of described bunchy determines to depend on the weakened frequency band of wanting in the corresponding region that every bundle first end 21 is directed to.
The layout of acoustic resonator conduit 20 of the present invention makes each acoustic resonator conduit can be adjusted to different frequencies, but with another acoustic resonator conduit 20, for example the frequency of Lin Jin acoustic resonator conduit 20 is very approaching, so that want weakened broadband by the layout generation of described acoustic resonator conduit 20.
In the structural form that acoustic resonator conduit 20 to small part is carried by the neighbouring surface part of each wall of evaporating pan 10, these acoustic resonator conduits 20 can adopt the form of the sealed tube of the described wall surface part that is attached at evaporating pan 10, perhaps described pipe can limit the part cross section of acoustic resonator conduit 20, other parts are limited surface portion by the vicinal face that is arranged on the tubular liner 30 on the evaporating pan 10 simultaneously, so that finish the peripheral profile by each acoustic resonator conduit 20 that these parts limited of evaporating pan 10 and tubular liner 30.In this structure was selected, each acoustic resonator conduit 20 was all limited by recess described above, and this recess is created among in the opposed face of evaporating pan 10 and tubular liner 30 at least one.
In the structure shown in Fig. 4-6 was selected, acoustic resonator conduit 20 was restricted to evaporating pan 10 and is integral, and for example, in the latter's forming process, described acoustic resonator conduit 20 is limited in the mould that forms evaporating pan 10 in advance.But should be noted in the discussion above that and can after forming evaporating pan 10, acoustic resonator conduit 20 be set, for example, by many pipes are installed to evaporating pan 10 to small part peripheral wall 12, acoustic resonator conduit 20 of every pipe qualification.In this structural change, peripheral wall 12 can be a hollow, wherein hold and/or keep acoustic resonator conduit 20, perhaps carrying is around the part or all of peripheral profile of the peripheral wall 12 of described evaporating pan 10 and the peripheral flange of the contiguous form peripheral edge portions that supports each acoustic resonator conduit 20.
In the structural change shown in Fig. 4, the 4a, 7 and 8, acoustic resonator conduit 20 is configured to be integral with evaporating pan 10, for example, and in the latter's forming process, as mentioned above, perhaps described acoustic resonator conduit 20 is attached at the outer surface of peripheral wall 12 by suitable means.Though being combined with this structural form of acoustic resonator conduit 20, evaporating pan 10 has the advantage of being convenient to form described acoustic resonator conduit 20 with the cost that reduces, but definite zone for the housing that will weaken noise 1 that has comparatively high amts probably, perhaps for one or more frequency bands that will weaken in this locality, the structural form of the described acoustic resonator conduit 20 of carrying is presenting the more advantage of high flexibility aspect forming that required special acoustic resonator arranges in evaporating pan 10 by installing and/or attaching.Other advantage of this structure is that this layout also can be arranged in the commercial evaporating pan.
In another structure of the present invention is selected, as described below, by partial contour at least tubular liner 30 is installed around the peripheral wall 12 of evaporating pan 10, evaporating pan 10 carrying acoustic resonator conduits 20, tubular liner 30 fully (Fig. 9,9a and 10) or partly (Figure 11-14) limit acoustic resonator conduit 20.
In the structural form shown in Fig. 9 a, tubular liner 30 is installed around the whole profile of the contiguous peripheral wall 12 of evaporating pan 10, thereby have the inner surface of facing mutually with the outer surface of the described peripheral wall 12 of evaporating pan 10, described tubular liner 30 is near the described outer surface setting of described peripheral walls.In this structure, make tubular liner 30 be fit to have the corresponding to profile of profile with the peripheral wall 12 of evaporating pan 10, so that, perhaps leave the radial clearance that in this scheme, limits in advance around described peripheral wall close installation.
In the illustrated structure of Fig. 9, evaporating pan 10 is around the partial contour carrying tubular liner 30 of its peripheral wall 12, tubular liner 30 is attached at described evaporating pan 10 by suitable means, for example by gummed, anchor clamps, the convex-concave accessory that provides in the described part of evaporating pan 10 and tubular liner 30 or other suitable means.In this illustrated structure, lay inward flange (not shown) by neighboring edge against the peripheral wall 12 of evaporating pan 10, realize tubular liner 30 fixing on evaporating pan 10, keep described laying, such as passing through mechanical interference, anchor clamps, screw or the like by suitable fixing means.Tubular liner 30 has upper flange 30a, and it defines the edge in the tubular liner 30 of acoustic resonator conduit 20 outsides in the periphery.
In the structure shown in Figure 11-14 is selected, the peripheral outline portion ground of each acoustic resonator conduit 20 is limited by the peripheral wall 12 of evaporating pan 10, and partly the contiguous opposed face by tubular liner 30 limits, thereby the complementation of described profile defines the cross section of each acoustic resonator conduit 20.
In the structural change shown in Figure 11 and 12, tubular liner 30 is fit to limit a part of profile of each acoustic resonator conduit 20, for example, adopt the form of the recess 33 of the arcuate section that limits acoustic resonator conduit 20 separately, the proximate end face of the peripheral wall 12 of evaporating pan 10 is that each acoustic resonator conduit 20 limits linear profile.In this structural change, evaporating pan 10 has and traditional evaporating pan 4 identical construction, and the volume of each acoustic resonator conduit 20 is limited by the form of tubular liner 30.Although illustrating a kind of profile of each acoustic resonator conduit 20 all is arc structure, should be understood that in the principle that is proposed, other contour shape also is possible here.
In this structure, tubular liner 30 for example is provided with arcuate recesses portion 33, and each arcuate recesses portion 33 all limits the part of acoustic resonator conduit 20 separately.
Each recess 33 can be along the length setting of the peripheral wall separately 12 of evaporating pan 10, and perhaps the plane with respect to the rear wall of the cabinet 3 of refrigeration plant tilts, and is limited with housing 1 in this refrigeration plant.
In the structural change shown in Figure 13 and 14, the outer surface of the inner surface of tubular liner 30 and evaporating pan 10 is fit to limit the partial contour of each acoustic resonator conduit 20.In this structure, each in evaporating pan 10 and the tubular liner 30 all is provided with recess 13,33 separately, as mentioned above, and the appropriate section profile of qualification acoustic resonator conduit 20.In this structure was selected, each recess 13,33 limited the arc profile of appropriate section of acoustic resonator conduit 20.
Should be understood that, acoustic resonator conduit 20 can only be arranged among the part of extension of extension of peripheral wall 12 of tubular liner 30 and/or evaporating pan 10, and the location of described acoustic resonator conduit 20 also can be limited on the certain orientation corresponding to the specific weakening of determined desired frequency band or noise.This structure allows according to detected needs, in the zone of housing 1 acoustic resonator conduit 20 is carried out specific and layout orientation.
According to the present invention, at least one in the diapire 11 of evaporating pan 10 and peripheral wall 12, tubular liner 30 and at least one the acoustic resonator conduit 20 also can be limited at (Figure 15 d) in porous or the fibrous material, as long as it is limited with aperture.In this scheme, be limited in the porous material part for example can by directly in porous material injection moulding obtain.In evaporating pan 10 was in situation in the porous material, it was to inject for example polymer or fibrous material with the single-piece form.In evaporating pan 10 and acoustic resonator conduit 20 integrant structures, the latter also can obtain in the injection moulding process of porous material, and this porous material has also constituted noise absorption device of the present invention.
Yet, should be understood that the noise attenuation effect of expectation can be utilized realizing one of at least in the described described part that is coated with porous material (Figure 15 a-15c).Described covering for example can utilize the object of the form that adopts porous or sheet of fibrous material to obtain, this porous or sheet of fibrous material are added on the appropriate section by suitable fixing means, this cladding material can be arranged in the described part in any position with any geometric format, described position and geometric format depend on and have the zone wait to weaken noise.
What also should consider is, in the described part that limits above some can be covered in the porous material, and other can be in the porous material with required noise absorption characteristic directly produce, this porous material defines certain resistance impedance and/or certain dissipation impedance at least one predetermined frequency band in the medium of housing 1.
In order to have desired effects, must make or cover porose part is set, make with surface that water in the evaporating pan 10 contacts in the hole sealing, have open hole on the opposite surfaces simultaneously.Described hole obtains by specific manufacturing process, and its size for example must be greater than 20 microns.
In implementing a kind of mode of the present invention, advised porous material is such as being poly styrene polymer, polypropylene and metal material, for example aluminium.In the structure that uses nonmetal porous material, at least a portion in the hole of described material is open.But in the structure of metal polyporous material, the hole of described material is sealed.
In another structural form of the present invention, the noise absorption device comprises by evaporating pan 10 in the inside of the peripheral wall 12 of evaporating pan 10 or the periphery of external bearer ring 40, and is provided with the acoustic resonator conduit 20 of at least one aforementioned type.In the structure shown in Fig. 9,9a and the 17a-17e, a plurality of acoustic resonator conduits 20 of peripheral ring 40 carryings.
According to the present invention, peripheral ring 40 has a certain definite thickness, by can being formed on wherein to small part acoustic resonator conduit 20 of described peripheral ring 40 carryings.In implementing a kind of mode of the present invention, peripheral ring 40 produces with evaporating pan 10 in the injection moulding operation of evaporating pan 10.In this operation, acoustic resonator conduit 20 also can produce by injection moulding in the mode of an integral body of all acoustic resonator conduits formation.But, should be understood that, each part of evaporating pan 10, peripheral ring 40 and acoustic resonator conduit 20 can obtain by injection moulding or other suitable technology, they can separately form or form an integral body by the part that is limited in equal dies and the material, other part after carry out combination by suitable means.
The layout that the structure permission formation acoustic resonator conduit 20 of peripheral ring 40 is installed in the described peripheral ring 40, this situation occurs in and obtains perhaps to encircle 40 for example after the peripheral wall 12 of evaporating pan 10 is installed on the evaporating pan 10 in described periphery after the described peripheral ring 40.For example, can wait by gummed, anchor clamps, welding, mechanical interference and realize installation and the maintenance of peripheral ring 40 on evaporating pan 10, and installation and the maintenance of acoustic resonator conduit 20 in described peripheral ring 40.
In illustrated structural form, peripheral ring 40 separates formation with evaporating pan 10, be installed on the evaporating pan 10 in the outside of the peripheral wall 12 of described evaporating pan 10 then, for example, the top edge of contiguous described peripheral wall 12 is installed on the evaporating pan 10, defines the support of a plurality of acoustic resonator conduits 20 of reception to the peripheral ring 40 of small part.In this structure, periphery ring 40 is at each acoustic resonator conduit 20 of upper support.But, should be understood that this structure is nonrestrictive, only be to implement illustrated a kind of mode of the present invention here.In another structure, peripheral ring 40 peripheral walls 12 around evaporating pan 10 are provided with in the centre, acoustic resonator conduit 20 by in the centre or the described peripheral ring 40 of upper support carry the location of the top edge of this length that depends on acoustic resonator conduit 20 and required its relative evaporating pan 10 in upper end.
In the another way of implementing this programme, peripheral ring 40 for example begins with evaporating pan 10 qualifications as a whole from peripheral flange 10a, and this peripheral flange 10a radially protrudes from the peripheral wall 12 of evaporating pan 10.In this structure was selected, peripheral flange 10a protruded to external top from described peripheral wall 12.Although not shown, the peripheral profile of each acoustic resonator conduit 20 can be partly limited by the peripheral wall 12 of evaporating pan 10, and is partly limited by periphery ring 40, thus complementary described contour limit the cross section of each acoustic resonator conduit 20.For this structure, peripheral ring 40 is fit to limit a part of profile of each acoustic resonator conduit 20, for example with the form of recess, describes as the front, limits the arcuate section of acoustic resonator conduit 20 separately.
Described as the front at structure with tubular liner 30, the scheme that is provided with peripheral ring 40 can be applied to and have on conventional shape and the commercial evaporating pan, and the structural form of acoustic resonator conduit 20 also be the front discussed those.In this case, the whole acoustic resonator conduit 20 that is adapted to this of peripheral ring 40 carryings, perhaps in the situation of local adaptation, the partial contour of each acoustic resonator conduit 20 assigns to limit by the vicinity of the peripheral wall 12 of evaporating pan 10 and in the face of outer surface portion.
As tubular liner 30, by suitable maintenance means periphery ring 40 is remained on the evaporating pan 10, such as gummed, welding, anchor clamps, pin, mechanical interference etc.
According to the present invention, at least one in the diapire 11 of evaporating pan 10 and peripheral wall 12, peripheral ring 40 and at least one acoustic resonator conduit 20 is limited in the porous material.But, should be understood that required noise attenuation effect can utilize in the described part that is coated with porous material at least one to realize.What also should consider is, in the above-mentioned part some can be covered by porous material, and can directly being created in of other has required noise absorption characteristic and corresponding at least one predetermined frequency band and limit in the medium of housing 1 in the porous material of certain resistance impedance and/or certain dissipation impedance.
In implementing a kind of mode of the present invention, advised porous material comprises poly styrene polymer, polypropylene and metal material, such as aluminium.In the structure that uses nonmetal porous material, at least a portion hole of described material can be open.But in the structure that uses metal polyporous material, the hole of described material is sealed.
In implementing another kind of mode of the present invention, the noise absorption device is limited by a plurality of holes 50, each hole 50 has first end part 51 and the second end part 52, first end part 51 is open and turns to the noise in the housing 1 that is provided with evaporating pan 10 to generate the zone, the second end part 52 and first end part 51 are opposite and separate, the size in each hole 50 is designed to have definite interior cross section, and this interior cross section is decided to be the corresponding frequency band of determining and limits certain resistance impedance and certain dissipation impedance in the medium of housing 1.
But, should be understood that, required noise attenuation effect can be realized by in the above-mentioned part that is coated with porous material some, and other can directly in porous material, produce, this porous material has required noise absorption characteristic, and corresponding at least one predetermined frequency band limits certain resistance impedance and/or certain dissipation impedance in the medium of housing 1.
In the structure that uses nonmetal porous material, at least a portion hole of described material can be open.But in the structure that uses metal polyporous material, the hole of described material is sealed.
Although only illustrate some in the above-mentioned structure, should be understood that, above the principle that proposed be not limited to these examples.
One of advantage of the present invention is to strengthen under the discrete frequency in the zone of the housing 1 of refrigeration plant cabinet 3 or detect weakening effect in the not enough frequency band.
The layout of acoustic resonator conduit 20 of the present invention makes it possible to weaken the noise (fan noise is the result of blade frequencies passage and the result of the turbulent flow between air and these blades) by compressor and blower fan and refrigeration system generation, compressor and blower fan are installed in the housing 1 of refrigeration plant, described layout can also weaken the sympathetic response (and negative influence) that is present in the described housing 1, and known systems has reduced cost relatively.
These structures that acoustic resonator conduit 20 and evaporating pan 10 form an integral body also have the assembly that not have increase in housing 1 or the advantage of other material.In these structures, the setting of acoustic resonator conduit 20 also makes each described acoustic resonator conduit 20 can play the effect of defrost water accumulator, and wherein each acoustic resonator conduit 20 second end separately all is open.
Although not shown, utilize acoustic resonator of the present invention to arrange that resulting noise reduction can reach 5db-20dB in tuned frequency.
For simplicity, special characteristic of the present invention only shown in the drawings, but each feature can with make up according to further feature of the present invention.Comprise that within the scope of the claims alternate embodiments will obtain those skilled in the art's approval.Therefore, to should be understood to scope of the present invention be illustrative and nonrestrictive for top description.All this tangible changes and revising in the claim all be in appended claim and limited.
Claims (47)
1. the acoustic resonator of the cabinet of a refrigeration plant is arranged, described cabinet (3) limits a housing (1) and carry compressor (2) in this housing, this compressor (2) has closed shell (2a) and Defrost water evaporating dish (10), and this evaporating pan (10) comprising: be placed in the diapire (11) on the top part of shell (2a) of compressor (2); With from diapire (11) peripheral wall (12) protruding upward, it is characterized in that: the peripheral wall (12) of evaporating pan (10) and the carrying of at least one in the diapire (11) noise absorption device (20,30,40,50), this noise absorption device (20,30,40,50) turning to noise in the described housing (1) to generate zone and its size is designed to the corresponding frequency band of determining limits certain resistance impedance and certain dissipation impedance in the medium of housing (1).
2. layout as claimed in claim 1 is characterized in that: this noise absorption device comprises the acoustic resonator conduit (20) that the extension of at least one respective wall along evaporating pan (10) (11,12) extends.
3. layout as claimed in claim 2, it is characterized in that: each acoustic resonator conduit (20) has open and first end (21) and second end (22) opposite with first end (21) and that separate that turn to the noise generation zone in the described housing (1), the size of each acoustic resonator conduit (20) is designed to have definite length and definite diameter, and described length and diameter are calculated so that the corresponding frequency band of determining limits certain resistance impedance and certain dissipation impedance in the medium of housing (1).
4. layout as claimed in claim 3 is characterized in that: at least one acoustic resonator conduit (20) is integrally formed with the neighbouring surface part of the respective wall (11,12) of evaporating pan (10) at least in part.
5. layout as claimed in claim 4 is characterized in that: the partial-length at least of each acoustic resonator conduit (20) is formed in the thickness of respective wall (11,12) of evaporating pan (10).
6. layout as claimed in claim 5 is characterized in that: this evaporating pan (10) carries tubular liner (30), and the cross section of acoustic resonator conduit (20) partly is limited among each of evaporating pan (10) and tubular liner (30).
7. layout as claimed in claim 6, it is characterized in that: this tubular liner (30) has the adjacent wall surface (11 in the face of evaporating pan (10), 12) surface, each acoustic resonator conduit (20) is by the adjacent wall (11 that is created in tubular liner (30) and evaporating pan (10), 12) recess (13,33) at least one opposed face limits.
8. layout as claimed in claim 7 is characterized in that: this tubular liner (30) occupies one of inside and outside position with respect to the peripheral wall (12) of evaporating pan (10).
9. layout as claimed in claim 8 is characterized in that: at least one in peripheral wall (12) of this evaporating pan (10) and diapire (11), tubular liner (30) and at least one the acoustic resonator conduit (20) is limited in porous or the fibrous material.
10. layout as claimed in claim 8 is characterized in that: at least one in peripheral wall (12) of this evaporating pan (10) and diapire (11), tubular liner (30) and at least one the acoustic resonator conduit (20) covered by porous or fibrous material.
11. as each described layout in claim 9 and 10, it is characterized in that: this porous material is selected from poly styrene polymer, polypropylene and metal material.
12. layout as claimed in claim 11 is characterized in that: this porous material has a plurality of blind bores (50).
13. as each described layout in claim 9 and 10, it is characterized in that: this porous material is selected from poly styrene polymer and polypropylene, described porous material has a plurality of holes (50), is open to the described hole of small part (50).
14. layout as claimed in claim 3 is characterized in that: this evaporating pan (10) is carrying the periphery ring (40) that is provided with a plurality of acoustic resonator conduits (20).
15. layout as claimed in claim 14 is characterized in that: this periphery ring (40) has certain thickness, and at least a portion of acoustic resonator conduit (20) is formed in the described wall thickness of this periphery ring (40).
16. layout as claimed in claim 14 is characterized in that: this periphery ring (40) occupies one of inside and outside position with respect to the peripheral wall (12) of evaporating pan (10).
17. layout as claimed in claim 16 is characterized in that: at least one in peripheral wall (12) of this evaporating pan (10) and diapire (11), peripheral ring (40) and at least one the acoustic resonator conduit (20) is limited in porous or the fibrous material.
18. layout as claimed in claim 16 is characterized in that: at least one in peripheral wall (12) of this evaporating pan (10) and diapire (11), peripheral ring (40) and at least one the acoustic resonator conduit (20) covered by porous or fibrous material.
19. as each described layout in claim 17 and 18, it is characterized in that: this porous material is selected from poly styrene polymer, polypropylene and metal material.
20. layout as claimed in claim 19 is characterized in that: this porous material has a plurality of blind bores (50).
21. as each described layout in claim 17 and 18, it is characterized in that: this porous material is selected from poly styrene polymer and polypropylene, and is open to the described hole of small part.
22. layout as claimed in claim 3 is characterized in that: described acoustic resonator conduit (20) to the small part extension be straight.
23. layout as claimed in claim 22 is characterized in that: at least two acoustic resonator conduits (20) are parallel to each other.
24. layout as claimed in claim 22 is characterized in that: at least one acoustic resonator conduit (20) is vertical.
25. layout as claimed in claim 22 is characterized in that: at least one acoustic resonator conduit (20) is a level.
26. layout as claimed in claim 22 is characterized in that: acoustic resonator conduit (20) is obliquely installed with respect to the axis that described acoustic resonator conduit is arranged at wall wherein.
27. layout as claimed in claim 3 is characterized in that: second end (22) of each acoustic resonator conduit (20) seals.
28. layout as claimed in claim 3 is characterized in that: at least a portion of acoustic resonator conduit (20) has the constant cross section along its length.
29. layout as claimed in claim 3 is characterized in that: at least a portion of acoustic resonator conduit (20) has the variable cross section along its length.
30. layout as claimed in claim 29 is characterized in that: at least a portion of acoustic resonator conduit (20) has the cross section of step-like variation.
31. layout as claimed in claim 29 is characterized in that: at least a portion of acoustic resonator conduit (20) has the cross section that circular cone changes.
32. layout as claimed in claim 29 is characterized in that: at least a portion of acoustic resonator conduit (20) has the cross section of index variation.
33. as each described layout among the claim 28-32, it is characterized in that: at least a portion of acoustic resonator conduit (20) has a kind of cross section in circular and the polygon.
34. layout as claimed in claim 1 is characterized in that: this noise absorption device has a plurality of holes (50).
35. layout as claimed in claim 34, it is characterized in that: each hole (50) have open and first end part (51) and the second end part (52) opposite with described first end (21) and that separate that turn to the noise generation zone in the described housing (1), the size in each hole (50) is designed to have definite interior cross section, and cross section is calculated so that the corresponding frequency band of determining limits certain resistance impedance and certain dissipation impedance in the medium of housing (1) in this.
36. layout as claimed in claim 34 is characterized in that: the peripheral wall (12) of evaporating pan (10) and at least one in the diapire (11) are limited in porous or the fibrous material.
37. layout as claimed in claim 34 is characterized in that: the peripheral wall (12) of evaporating pan (10) and at least one in the diapire (11) are covered by porous or fibrous material.
38. as each described layout in claim 36 and 37, it is characterized in that: this porous material is selected from poly styrene polymer, polypropylene and metal material.
39. layout as claimed in claim 38 is characterized in that: described hole (50) are sealed.
40. as each described layout in claim 36 and 37, it is characterized in that: this porous material is selected from poly styrene polymer and polypropylene, and is open to the described hole of small part (50).
41. layout as claimed in claim 1 is characterized in that: this noise absorption device comprises at least one acoustic resonator conduit (20), and this acoustic resonator conduit (20) extends and has a plurality of holes (50) along the extension of the respective wall (11,12) of evaporating pan (10).
42. layout as claimed in claim 41, it is characterized in that: each acoustic resonator conduit (20) has open and first end (21) and second end (22) opposite with described first end (21) and that separate that turn to the noise generation zone in the described housing (1), the size of each acoustic resonator conduit (20) is designed to have definite length and definite diameter, and described length and diameter are calculated so that the corresponding frequency band of determining limits certain resistance impedance and certain dissipation impedance in the medium of housing (1).
43. layout as claimed in claim 41 is characterized in that: at least one in the peripheral wall (12) of evaporating pan (10) and diapire (11) and at least one the acoustic resonator conduit (20) is limited in porous or the fibrous material.
44. layout as claimed in claim 41 is characterized in that: at least one in the peripheral wall (12) of evaporating pan (10) and diapire (11) and at least one the acoustic resonator conduit (20) covered by porous or fibrous material.
45. as each described layout in claim 42 and 43, it is characterized in that: this porous material is selected from poly styrene polymer, polypropylene and metal material.
46. layout as claimed in claim 44 is characterized in that: this porous material has a plurality of blind bores (50).
47. as each described layout in claim 42 and 43, it is characterized in that: this porous material is selected from poly styrene polymer and polypropylene, and is open to the described hole of small part (50).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0700554-7A BRPI0700554A (en) | 2007-01-30 | 2007-01-30 | resonator arrangement for refrigeration cabinet |
| BRPI07005547 | 2007-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101641559A true CN101641559A (en) | 2010-02-03 |
Family
ID=39588049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880004785A Pending CN101641559A (en) | 2007-01-30 | 2008-01-29 | The acoustic resonator of refrigeration plant cabinet is arranged |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20100095698A1 (en) |
| EP (1) | EP2115367A2 (en) |
| JP (1) | JP2010516992A (en) |
| KR (1) | KR20090115153A (en) |
| CN (1) | CN101641559A (en) |
| BR (1) | BRPI0700554A (en) |
| IN (1) | IN2009KN02416A (en) |
| RU (1) | RU2415354C1 (en) |
| WO (1) | WO2008092223A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT10950U1 (en) * | 2008-10-21 | 2010-01-15 | Acc Austria Gmbh | REFRIGERANT COMPRESSOR |
| KR101558576B1 (en) * | 2009-01-09 | 2015-10-19 | 엘지전자 주식회사 | Indoor unit of air conditioner |
| DE102011007423A1 (en) * | 2011-04-14 | 2012-10-18 | BSH Bosch und Siemens Hausgeräte GmbH | Household refrigerator |
| WO2016034223A1 (en) * | 2014-09-03 | 2016-03-10 | Arcelik Anonim Sirketi | Refrigeration appliance compressor variable volume water collection receptacle |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243320A1 (en) * | 1992-12-21 | 1994-06-23 | Illbruck Gmbh | Refrigeration cabinets |
| US5499514A (en) * | 1994-09-15 | 1996-03-19 | Whirlpool Corporation | Defrost water drain system for a refrigerator |
| JPH0933159A (en) * | 1995-07-20 | 1997-02-07 | Fujitsu General Ltd | Refrigerator |
| NZ286458A (en) * | 1996-04-26 | 1999-01-28 | Fisher & Paykel | Evaporation tray to catch defrost water from refrigerator, bottom consists of flexible membrane |
| US5699677A (en) * | 1996-11-07 | 1997-12-23 | White Consolidated Industries, Inc. | Compressor mounted drain pan utilizing polyurethane adhesive |
| KR19980083487A (en) * | 1997-05-15 | 1998-12-05 | 윤종용 | Refrigeration control device and method |
| US6512831B1 (en) * | 1997-10-21 | 2003-01-28 | Owens Corning Fiberglas Technology, Inc. | Noise abatement apparatus for appliance cabinet and method for reducing noise generated by an appliance |
| TW418309B (en) * | 1998-02-20 | 2001-01-11 | Matsushita Refrigeration | Refrigerator |
| BR9802115A (en) * | 1998-05-19 | 2000-03-08 | Brasilerira De Compressores S | Evaporation tray. |
| US6629429B1 (en) * | 1999-03-12 | 2003-10-07 | Matsushita Refrigeration Company | Refrigerator |
| IT251755Y1 (en) * | 2000-10-18 | 2004-01-20 | Zanussi Elettromecc | REFRIGERATOR COMPRESSOR WITH EVAPORATION TANK |
| JP2003172575A (en) * | 2001-12-05 | 2003-06-20 | Fujitsu General Ltd | Refrigerator |
| US6595013B1 (en) * | 2002-02-25 | 2003-07-22 | Carrier Corporation | Sound attenuator for a refrigeration unit |
| US6593525B1 (en) * | 2002-03-04 | 2003-07-15 | Andrew Corporation | Direct burial outdoor membrane pressurization system |
| US6708518B1 (en) * | 2003-03-20 | 2004-03-23 | Eangla Taylor Jones | Refrigerator door dispenser spill shelf drain |
| DE10322681A1 (en) * | 2003-05-20 | 2004-12-09 | BSH Bosch und Siemens Hausgeräte GmbH | Increase in the evaporation performance through the compressor capsule as the evaporation tray bottom |
| JP2005098559A (en) * | 2003-08-26 | 2005-04-14 | Toshiba Corp | Refrigerator |
| KR20040052964A (en) * | 2004-05-21 | 2004-06-23 | 최재숙 | Device for manufacturing frozen sweet by a quick freezing and melting |
-
2007
- 2007-01-30 BR BRPI0700554-7A patent/BRPI0700554A/en not_active IP Right Cessation
-
2008
- 2008-01-29 WO PCT/BR2008/000030 patent/WO2008092223A2/en active Application Filing
- 2008-01-29 CN CN200880004785A patent/CN101641559A/en active Pending
- 2008-01-29 JP JP2009546617A patent/JP2010516992A/en not_active Withdrawn
- 2008-01-29 KR KR1020097017241A patent/KR20090115153A/en not_active Application Discontinuation
- 2008-01-29 RU RU2009132556/21A patent/RU2415354C1/en not_active IP Right Cessation
- 2008-01-29 EP EP08706165A patent/EP2115367A2/en not_active Withdrawn
- 2008-01-29 US US12/521,491 patent/US20100095698A1/en not_active Abandoned
- 2008-01-29 IN IN2416KON2009 patent/IN2009KN02416A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008092223A3 (en) | 2008-09-18 |
| IN2009KN02416A (en) | 2015-08-07 |
| BRPI0700554A (en) | 2008-09-16 |
| EP2115367A2 (en) | 2009-11-11 |
| KR20090115153A (en) | 2009-11-04 |
| US20100095698A1 (en) | 2010-04-22 |
| RU2415354C1 (en) | 2011-03-27 |
| JP2010516992A (en) | 2010-05-20 |
| WO2008092223A2 (en) | 2008-08-07 |
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