CN115218597A - Refrigeration device - Google Patents
Refrigeration device Download PDFInfo
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- CN115218597A CN115218597A CN202210822758.8A CN202210822758A CN115218597A CN 115218597 A CN115218597 A CN 115218597A CN 202210822758 A CN202210822758 A CN 202210822758A CN 115218597 A CN115218597 A CN 115218597A
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- silencing
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 64
- 230000008030 elimination Effects 0.000 claims abstract description 12
- 238000003379 elimination reaction Methods 0.000 claims abstract description 12
- 230000030279 gene silencing Effects 0.000 claims description 76
- 238000005192 partition Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000000638 solvent extraction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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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
- F25D23/00—General constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/005—Pulsation and noise damping means with direct action on the fluid flow using absorptive materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compressor (AREA)
Abstract
The invention discloses a refrigeration device, which comprises: the compressor cabin is internally provided with a compressor, the wall of the compressor cabin is provided with a gas flow opening used for being communicated with the outside of the compressor cabin, and the inside of the compressor cabin is provided with a gas flow channel corresponding to and communicated with the gas flow opening; a sound-deadening structure that is arranged on an outer periphery of the gas flow passage, the sound-deadening structure being configured to muffle a sound wave flowing through the gas flow passage. From this, through setting up sound-attenuating structure, sound-attenuating structure carries out the noise elimination to the sound wave that flows through gas flow channel, reaches the noise elimination and falls the purpose of making an uproar, is favorable to the refrigeration plant silence, promotes refrigeration plant silence performance to promote refrigeration plant and use experience.
Description
Technical Field
The invention relates to the field of domestic appliances, in particular to refrigeration equipment.
Background
In the correlation technique, the compressor is arranged in the press cabin of the existing refrigeration equipment (such as a refrigerator), the ventilation and heat dissipation are realized by arranging the gas flow opening on the press cabin, and as the noise reduction structure is not arranged in the press cabin, the noise of the compressor, the noise of a fan and the like in the press cabin are transmitted outwards without resistance through the gas flow opening, so that the silence of the refrigeration equipment is not facilitated, and the use experience of the refrigeration equipment is influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, one purpose of the invention is to provide a refrigeration device, which achieves the purposes of noise elimination and noise reduction by arranging a noise elimination structure, is beneficial to silencing the refrigeration device and improves the silencing performance of the refrigeration device.
The refrigeration appliance according to the invention comprises:
the compressor cabin is internally provided with a compressor, the wall of the compressor cabin is provided with a gas flow opening used for being communicated with the outside of the compressor cabin, and the inside of the compressor cabin is provided with a gas flow channel corresponding to and communicated with the gas flow opening;
a sound attenuation structure that is arranged at an outer periphery of the gas flow passage, the sound attenuation structure being for attenuating sound waves flowing through the gas flow passage.
According to the refrigeration equipment, the silencing structure is arranged, and the silencing structure silences sound waves flowing through the gas flow channel, so that the aims of silencing and reducing noise are fulfilled, the silencing of the refrigeration equipment is facilitated, the silencing performance of the refrigeration equipment is improved, and the use experience of the refrigeration equipment is improved.
In some examples of the invention, the sound-deadening structure includes a plurality of sound-deadening units.
In some examples of the present invention, a plurality of the noise elimination units are arranged in a matrix form.
In some examples of the invention, each silencing unit has a silencing cavity, and a silencing hole is formed in the wall of the silencing cavity facing the gas flow channel, and a silencing pipe is connected to the silencing hole and extends into the silencing cavity.
In some examples of the invention, the muffling frequencies of at least a portion of the muffling chambers are different among the plurality of muffling chambers.
In some examples of the invention, at least a portion of the plurality of muffling tubes extend into the corresponding muffling chamber by different lengths.
In some examples of the present invention, at least a part of the plurality of muffling tubes have different tube diameters.
In some examples of the invention, at least a portion of the plurality of muffling chambers differ in volume.
In some examples of the present invention, the sound-deadening structure includes a frame body, and a plurality of first partition ribs and a plurality of second partition ribs provided in the frame body, the plurality of first partition ribs and the plurality of second partition ribs being arranged in a staggered manner in a lattice shape in the frame body, each lattice being configured as one of the sound-deadening chambers.
In some examples of the invention, the width of the muffling cavity between two adjacent first separating ribs is changed by changing the distance between the two first separating ribs; and/or
The length of the silencing cavity between two adjacent second partition ribs is changed by changing the distance between the two adjacent second partition ribs.
In some examples of the present invention, a surface of the sound attenuation structure facing the gas flow passage is attached with a sound attenuation layer.
In some examples of the present invention, the gas flow port and the gas flow passage are each configured to be elongated, and the sound deadening structure is disposed on both sides of both longitudinal long sides of the gas flow passage.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a first embodiment of a nacelle according to an embodiment of the invention;
FIG. 2 is a front view of a nacelle according to a first embodiment of the invention;
FIG. 3 is a side view of a nacelle according to a first embodiment of the invention;
FIG. 4 is a top view of a nacelle according to a first embodiment of the invention;
FIG. 5 is a schematic view of a second embodiment of a nacelle according to an embodiment of the invention;
fig. 6 is a front view of a nacelle according to a second embodiment of the invention;
fig. 7 is a side view of a nacelle according to a second embodiment of the invention;
FIG. 8 is a top view of a nacelle according to a second embodiment of the invention;
fig. 9 is a schematic view of a sound-deadening structure according to the embodiment of the invention;
fig. 10 is a front view of a sound-deadening structure according to an embodiment of the invention;
fig. 11 is a left side view of the sound-deadening structure according to the embodiment of the invention;
fig. 12 is a right side view of the sound attenuation structure according to the embodiment of this invention.
Reference numerals are as follows:
a compressor compartment 100;
a gas flow port 10;
a sound-deadening structure 200;
a sound attenuation unit 201; an anechoic chamber 2011; the muffling aperture 2012; a muffler tube 2013;
a frame body 202; a first partitioning rib 203; a second partitioning rib 204; a frame body 205; a frame sidewall 206;
a gas flow passage 30;
a mounting portion 40; a mounting groove 41; and a protective layer 50.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A refrigeration apparatus according to an embodiment of the present invention is described below with reference to fig. 1 to 12, and the refrigeration apparatus may be a refrigerator, but the present invention is not limited thereto, and the refrigeration apparatus may also be other apparatuses having a refrigeration function, for example: the present application takes refrigeration equipment as a refrigerator as an example for explanation.
As shown in fig. 1 to 12, a refrigeration apparatus according to an embodiment of the present invention includes: a nacelle 100 and a sound attenuating structure 200. The compressor is disposed in the compressor compartment 100, and the wall of the compressor compartment 100 is provided with a gas flow port 10 for communicating with the outside of the compressor compartment 100, and it is also understood that the wall of the compressor compartment 100 is provided with the gas flow port 10, and the gas flow port 10 communicates the inside of the compressor compartment 100 and the outside of the compressor compartment 100. Further, a gas flow port 10 is provided on a side wall of the press compartment 100, for example: as shown in fig. 1, the rear side wall of the press cabin 100 is provided with the gas flow port 10, or as shown in fig. 5, the left side wall and the right side wall of the press cabin 100 are provided with the gas flow port 10, or the rear side wall, the left side wall and the right side wall of the press cabin 100 are all provided with the gas flow port 10, and the present application will be described by taking the case where the rear side wall of the press cabin 100 is provided with the gas flow port 10 as an example. Gas and sound can flow into the interior of the nacelle 100 through the gas flow port 10, and gas and sound can flow out of the nacelle 100 through the gas flow port 10. The gas flow passage 30 is provided in the press cabin 100 so as to correspond to and communicate with the gas flow port 10, so that gas and sound inside the press cabin 100 can flow from the gas flow passage 30 to the gas flow port 10, and gas and sound outside the press cabin 100 can flow from the gas flow port 10 to the gas flow passage 30. The sound attenuation structure 200 is disposed at the outer periphery of the gas flow passage 30, that is, the sound attenuation structure 200 is provided at the outer periphery of the gas flow passage 30, and the sound attenuation structure 200 is used to attenuate the sound wave flowing through the gas flow passage 30.
Further, a fan may be further disposed in the press cabin 100, and when the fan rotates, the air outside the press cabin 100 is driven to flow into the press cabin 100 from the air flow opening 10, and the air inside the press cabin 100 is driven to flow out of the press cabin 100 from the air flow opening 10, so as to achieve ventilation and heat dissipation effects on the press cabin 100. Among them, components such as a compressor and a fan in the compressor compartment 100 generate noise during operation, and the noise is radiated to the outside of the compressor compartment 100 through the gas flow port 10. In this application, through set up sound-attenuating structure 200 in press cabin 100, sound-attenuating structure 200 sets up the periphery at gas flow channel 30, the sound wave flows to gas flow mouth 10 from gas flow channel 30, or when the sound wave flows into gas flow channel 30 from gas flow mouth 10, sound-attenuating structure 200 can absorb the sound wave, more than 1500Hz of sound absorption bandwidth, average sound absorption coefficient more than 0.9, can realize carrying out absorptive purpose to the radiation noise in press cabin 100, thereby realize the purpose of ventilating and falling noise, be favorable to the refrigeration plant silence, promote refrigeration plant silence performance, reduce refrigeration plant's sound pressure level by a wide margin, promote refrigeration plant and use experience.
It should be noted that, when the sound attenuation structure 200 is disposed in the compressor compartment 100, the ventilation amount of the compressor compartment 100 is not changed.
From this, through setting up sound-attenuating structure 200, sound-attenuating structure 200 carries out the noise elimination to the sound wave of flowing through gas flow channel 30, reaches the noise elimination and falls the purpose of making an uproar, is favorable to the refrigeration plant silence, promotes refrigeration plant silence performance to promote refrigeration plant and use and experience.
In some embodiments of the present invention, as shown in fig. 9 and fig. 10, the silencing structure 200 may include a plurality of silencing units 201, where the silencing units 201 have a silencing effect, and when sound waves flow through the gas flow channel 30, the plurality of silencing units 201 can absorb the sound waves, which is more beneficial to silencing the refrigeration equipment, improving the silencing performance of the refrigeration equipment, and effectively reducing the working noise of the refrigeration equipment.
In some embodiments of the present invention, as shown in fig. 9 and 10, the plurality of sound attenuation units 201 are arranged in a matrix, further, the plurality of sound attenuation units 201 may form a plurality of sound attenuation unit sets, and the plurality of sound attenuation unit sets may be sequentially stacked along the height direction of the compressor compartment 100, such arrangement may enable the plurality of sound attenuation units 201 to be arranged in order, so as to facilitate the plurality of sound attenuation units 201 to be disposed at the periphery of the gas flow channel 30 to form a sound absorption matrix, thereby enabling the sound attenuation structure 200 to better attenuate sound waves flowing through the gas flow channel 30, further improving the sound attenuation effect of the sound attenuation structure 200, and further improving the sound attenuation performance of the refrigeration equipment.
In some embodiments of the present invention, as shown in fig. 9, 11 and 12, each silencing unit 201 has a silencing chamber 2011, a silencing hole 2012 is formed on a wall of the silencing chamber 2011 facing the gas flow channel 30, a silencing tube 2013 is connected to the silencing hole 2012, and the silencing tube 2013 extends into the silencing chamber 2011. Further, the muffling tube 2013 is arranged in the muffling cavity 2011, one end of the muffling tube 2013 is connected with the wall of the muffling cavity 2011, which faces the gas flow channel 30, and one end of the muffling tube 2013 is communicated with the muffling hole 2012, and the other end of the muffling tube 2013 extends towards the muffling tube 2013. Specifically, when the sound waves flow into the gas flow channel 30, the sound waves in the gas flow channel 30 flow into the muffling pipe 2013 from the muffling hole 2012, the sound waves flow along the muffling pipe 2013 toward the muffling cavity 2011, and the sound waves are absorbed by the muffling cavity 2011 and the muffling pipe 2013 in the flowing process to achieve the muffling effect, so that the working performance of the muffling unit 201 is ensured.
In some embodiments of the present invention, the muffling frequencies of at least a part of the muffling cavities 2011 in the plurality of muffling cavities 2011 are different, which may also be understood as that the muffling frequencies of a part of the muffling cavities 2011 in the plurality of muffling cavities 2011 are different, or the muffling frequencies of each of the muffling cavities 2011 in the plurality of muffling cavities 2011 are different. The silencing frequency of the silencing cavity 2011 can be adjusted at will according to the noise spectrum characteristics, the silencing frequency of the silencing cavity 2011 can be designed according to the noise frequency of the actual compressor compartment 100, further, the silencing frequency of the silencing cavity 2011 can be adjusted at will within 200Hz-3000Hz, the silencing bandwidth can reach more than 1500Hz, and the silencing coefficient can be about 0.9. The silencing frequency of at least one part of silencing cavity 2011 is different, so that the silencing structure 200 can be used for silencing sound waves with different frequencies, the silencing effect of the silencing structure 200 can be improved, the silencing of refrigeration equipment is facilitated, the silencing performance of the refrigeration equipment is further improved, the sound pressure level of the refrigeration equipment is greatly reduced, and the use experience of the refrigeration equipment is further improved.
In some embodiments of the present invention, at least a portion of the plurality of muffling tubes 2013 extends into the corresponding muffling chamber 2011 for a different length. Further, each silencing unit 201 is provided with at least one silencing pipe 2013, preferably, each silencing unit 201 is provided with one silencing pipe 2013, and each silencing pipe 2013 is correspondingly communicated with the corresponding silencing hole 2012. In this application, at least a part of the muffling pipes 2013 in the plurality of muffling pipes 2013 extend into the corresponding muffling cavities 2011 with different lengths, so that the resonance frequencies of at least a part of the muffling pipes 2013 are different, the plurality of muffling pipes 2013 can have different muffling frequencies, the muffling frequencies of the plurality of muffling units 201 are different, the muffling structure 200 can be guaranteed to muffle sound waves with different frequencies, the muffling range of the muffling structure 200 is increased, the muffling effect of the muffling structure 200 is guaranteed, the muffling of the refrigeration equipment is facilitated, the muffling performance of the refrigeration equipment is further improved, the sound pressure level of the refrigeration equipment is greatly reduced, and the use experience of the refrigeration equipment is further improved.
In some embodiments of the present invention, as shown in fig. 11 and 12, at least a portion of the muffling tubes 2013 among the plurality of muffling tubes 2013 have different tube diameters. It should be noted that the pipe diameter of the muffler 2013 includes an inner diameter of the muffler 2013 and/or an outer diameter of the muffler 2013, that is, the pipe diameter of the muffler 2013 may refer to the inner diameter of the muffler 2013, the pipe diameter of the muffler 2013 may refer to the outer diameter of the muffler 2013, and the pipe diameter of the muffler 2013 may also refer to the inner diameter of the muffler 2013 and the outer diameter of the muffler 2013. The pipe diameter sizes of at least one part of the muffling pipes 2013 in the muffling pipes 2013 are set to be different, the resonance frequencies of at least one part of the muffling pipes 2013 can be different, the muffling pipes 2013 can have different sound absorption frequencies, the muffling frequencies of the muffling units 201 are different, the muffling structure 200 can be guaranteed to muffle sound waves with different frequencies, the muffling range of the muffling structure 200 is widened, the muffling effect of the muffling structure 200 is guaranteed, the muffling of refrigeration equipment is facilitated, the muffling performance of the refrigeration equipment is further improved, the sound pressure level of the refrigeration equipment is greatly reduced, and the use experience of the refrigeration equipment is further improved.
In some embodiments of the present invention, as shown in fig. 9 and 10, at least a portion of the plurality of muffling cavities 2011 has a different volume, and it can be understood that a portion of the plurality of muffling cavities 2011 has a different volume from another portion of the plurality of muffling cavities 2011, or each of the plurality of muffling cavities 2011 has a different volume. Wherein, the volume through with at least some anechoic chamber 2011 in a plurality of anechoic chambers 2011 sets up the difference, can realize that the sound absorption frequency of at least some anechoic chamber 2011 is different in a plurality of anechoic chambers 2011, can make sound-attenuating structure 200 carry out the noise elimination to the sound wave of different frequencies, can further promote sound-attenuating structure 200's noise cancelling effect, be favorable to the refrigeration plant silence more, further promote refrigeration plant silence performance, reduce refrigeration plant's sound pressure level by a wide margin, further promote refrigeration plant and use experience. It should be noted that the sound absorption frequency of the sound absorption cavities 2011 increases as the volume of the sound absorption cavities 2011 decreases, and the sound absorption frequency increment of each sound absorption cavity 2011 can vary from 50 to 80 Hz.
In some embodiments of the present invention, as shown in fig. 9 and 10, the sound-deadening structure 200 includes: the frame body 202 and the plurality of first separating ribs 203 and the plurality of second separating ribs 204 that are arranged in the frame body 202 are arranged in a staggered manner in the frame body 202 to form a grid, and each grid is constructed into a silencing cavity 2011. Further, the frame 202 includes a frame body 205 and a frame side wall 206, the frame side wall 206 is connected to the frame body 205, the frame side wall 206 is arranged around the edge of the frame body 205, a sound attenuation space is defined by the frame body 205 and the frame side wall 206 together, the frame body 205 is provided with a sound attenuation hole 2012, the first partition ribs 203 and the second partition ribs 204 are arranged in the sound attenuation space in a crossing manner to partition the sound attenuation space into sound attenuation chambers 2011, and each sound attenuation chamber 2011 can be correspondingly provided with a sound attenuation hole 2012. Further, the plurality of first separating ribs 203 are sequentially spaced apart and parallel to each other along the first direction of the frame 202, the plurality of second separating ribs 204 are sequentially spaced apart and parallel to each other along the second direction of the frame 202, the first direction is perpendicular to the second direction, and the plurality of first separating ribs 203 and the plurality of second separating ribs 204 are arranged in the frame 202 in a crossing manner. The arrangement can achieve the technical effect of defining the plurality of muffling cavities 2011 in the frame body 202, and can make the assembly form of the frame body 202, the plurality of first separating ribs 203 and the plurality of second separating ribs 204 reasonable.
Further, the sound attenuation structure 200 may further include: protective layer 50, protective layer 50 can include sound absorbing material or waterproof film, and the open setting of the tip of keeping away from frame body 205 in noise elimination space, protective layer 50 cover are located the open end of keeping away from frame body 205 in noise elimination space, and the end of opening of keeping away from frame body 205 through protective layer 50 closed noise elimination space can guarantee the noise cancelling effect of sound cancelling structure 200, guarantees sound cancelling structure 200 working property.
In some embodiments of the present invention, as shown in fig. 9 and 10, by changing the distance between two adjacent first separation ribs 203 to change the width of the muffling cavity 2011 located between the two first separation ribs 203, at least a part of the muffling cavities 2011 in the plurality of muffling cavities 2011 can have different volumes by changing the width of the muffling cavity 2011 located between the two first separation ribs 203, so that the muffling frequency of at least a part of the muffling cavities 2011 is different, and the muffling structure 200 can be ensured to muffle sound waves of different frequencies.
Or the length of the silencing cavity 2011 between two adjacent second separating ribs 204 is changed by changing the distance between the two adjacent second separating ribs 204, wherein the length of the silencing cavity 2011 between the two adjacent second separating ribs 204 is changed by changing the distance between the two adjacent second separating ribs 204, so that the volume of at least one part of the silencing cavities 2011 in the plurality of silencing cavities 2011 is different, the effect of different silencing frequencies of at least one part of the silencing cavities 2011 is realized, and the silencing structure 200 can further ensure that sound waves with different frequencies are silenced.
Or the width of the silencing cavity 2011 between the two first separating ribs 203 is changed by changing the distance between the two adjacent first separating ribs 203, and the length of the silencing cavity 2011 between the two second separating ribs is changed by changing the distance between the two adjacent second separating ribs 204, so that the volume of at least one part of the silencing cavity 2011 in the plurality of silencing cavities 2011 is different, the effect of different silencing frequencies of at least one part of the silencing cavity 2011 is realized, and the silencing structure 200 can be further ensured to carry out silencing on sound waves with different frequencies. Further, by varying the depth of the anechoic chamber 2011, the volume of the anechoic chamber 2011 may be varied.
In some embodiments of the present invention, the surface of the sound attenuation structure 200 facing the gas flow passage 30 is adhesively provided with a sound attenuation layer. The surface of the sound-deadening structure 200 facing the gas flow channel 30 is attached with a sound-deadening layer, the sound-deadening layer has a sound-deadening effect, and further, the sound-deadening layer can be set as sound-deadening cotton, and after the sound wave flows into the gas flow channel 30, the sound-deadening layer can absorb the sound wave, so that the silencing of the refrigeration equipment is facilitated, the silencing performance of the refrigeration equipment is further improved, the sound pressure level of the refrigeration equipment is greatly reduced, and the use experience of the refrigeration equipment is further improved.
In some embodiments of the present invention, as shown in fig. 1 and 5, the gas flow port 10 and the gas flow channel 30 are both configured to be elongated, and the sound attenuating structure 200 is disposed on both sides of both longitudinal long sides of the gas flow channel 30, so that the sound attenuating structure 200 is disposed on both sides of both longitudinal long sides of the gas flow channel 30, and the sound wave in the gas flow channel 30 can be better absorbed, thereby making the arrangement position of the sound attenuating structure 200 reasonable.
In some embodiments of the present invention, the gas flow ports 10 may be plural, a part of the gas flow ports 10 of the plural gas flow ports 10 is configured as a gas inlet, another part of the gas flow ports 10 of the plural gas flow ports 10 is configured as a gas outlet, gas and sound may flow into the compressor compartment 100 from the gas inlet, and gas in the compressor compartment 100 may flow out of the compressor compartment 100 from the gas outlet. Further, the length and width dimensions of the gas flow port 10 are determined by the flow rate of the inlet air and the outlet air of the compressor compartment 100, and at least one of the length and width dimensions of the gas flow port 10 is greater than 90mm, so as to ensure that the sound-deadening structure 200 can be installed on both opposite sides of the gas flow passage 30. The pressure cabin 100 may be provided therein with a mounting portion 40, the mounting portion 40 being disposed around the gas flow port 10, the mounting portion 40 defining the gas flow passage 30, the mounting portion 40 being provided with a mounting groove 41, the sound deadening structure 200 being mounted in the mounting groove 41, a wall of the sound deadening chamber 2011 facing the gas flow passage 30 being flush with an inner wall surface of the mounting portion 40.
It should be noted that the installation position and the installation form of the sound attenuation structure 200 can be adjusted arbitrarily according to actual conditions, the sound attenuation structure 200 has high environmental adaptability, and the sound attenuation structure 200 is suitable for various products such as refrigerators, freezers, medical cabinets and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A refrigeration apparatus, comprising:
the compressor cabin is internally provided with a compressor, the wall of the compressor cabin is provided with a gas flow opening used for being communicated with the outside of the compressor cabin, and the inside of the compressor cabin is provided with a gas flow channel corresponding to and communicated with the gas flow opening;
a sound attenuation structure that is arranged at an outer periphery of the gas flow passage, the sound attenuation structure being for attenuating sound waves flowing through the gas flow passage.
2. The refrigeration apparatus according to claim 1, wherein the sound-deadening structure includes a plurality of sound-deadening units.
3. The refrigeration apparatus as claimed in claim 2, wherein the noise elimination units are arranged in a matrix form.
4. The refrigeration apparatus as claimed in claim 2, wherein each of the silencing units has a silencing chamber, and a silencing hole is formed in a wall of the silencing chamber facing the gas flow passage, and a silencing pipe is connected to the silencing hole and extends into the silencing chamber.
5. The refrigeration appliance according to claim 4 wherein at least some of said muffling chambers are different in muffling frequency.
6. The refrigeration appliance according to claim 5, wherein at least a portion of the muffling tubes in the plurality of muffling tubes extend into the corresponding muffling chamber by different lengths.
7. A refrigerating apparatus as recited in claim 5 or 6 wherein at least a portion of the muffling tubes in the plurality of muffling tubes have different tube diameters.
8. The refrigeration appliance according to claim 5, wherein at least a portion of the muffling chambers are different in volume among the plurality of muffling chambers.
9. The refrigerating apparatus as recited in claim 5 wherein said sound-deadening structure includes a frame body, and a plurality of first partition ribs and a plurality of second partition ribs provided in said frame body, said plurality of first partition ribs and said plurality of second partition ribs being arranged in a staggered manner in said frame body in a lattice shape, each lattice being configured as one of said sound-deadening chambers.
10. The refrigeration apparatus as claimed in claim 9, wherein the width of the muffling chamber between two adjacent first partitioning ribs is changed by changing the pitch of the two first partitioning ribs; and/or
The distance between two adjacent second separation ribs is changed to change the length of the silencing cavity between the two second separation ribs.
11. The refrigeration apparatus as recited in claim 1, wherein a surface of the sound attenuation structure facing the gas flow passage is attached with a sound attenuation layer.
12. The refrigerating apparatus as recited in claim 1 wherein said gas flow port and said gas flow passage are each configured to be elongated, and said sound deadening structure is disposed on both sides of both longitudinal long sides of said gas flow passage.
Priority Applications (1)
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CN202210822758.8A CN115218597A (en) | 2022-07-12 | 2022-07-12 | Refrigeration device |
Applications Claiming Priority (1)
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CN202210822758.8A CN115218597A (en) | 2022-07-12 | 2022-07-12 | Refrigeration device |
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CN115218597A true CN115218597A (en) | 2022-10-21 |
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CN202210822758.8A Pending CN115218597A (en) | 2022-07-12 | 2022-07-12 | Refrigeration device |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980058236U (en) * | 1997-02-20 | 1998-10-26 | 배순훈 | Noise isolator in refrigerator machine room |
US20050161280A1 (en) * | 2002-12-26 | 2005-07-28 | Fujitsu Limited | Silencer and electronic equipment |
KR20080041469A (en) * | 2006-11-07 | 2008-05-13 | 삼성전자주식회사 | A refrigerator |
WO2022135603A1 (en) * | 2020-12-25 | 2022-06-30 | 沈阳海尔电冰箱有限公司 | Silencing device and refrigerator |
-
2022
- 2022-07-12 CN CN202210822758.8A patent/CN115218597A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980058236U (en) * | 1997-02-20 | 1998-10-26 | 배순훈 | Noise isolator in refrigerator machine room |
US20050161280A1 (en) * | 2002-12-26 | 2005-07-28 | Fujitsu Limited | Silencer and electronic equipment |
KR20080041469A (en) * | 2006-11-07 | 2008-05-13 | 삼성전자주식회사 | A refrigerator |
WO2022135603A1 (en) * | 2020-12-25 | 2022-06-30 | 沈阳海尔电冰箱有限公司 | Silencing device and refrigerator |
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