CN217462476U - Refrigerating and freezing device - Google Patents
Refrigerating and freezing device Download PDFInfo
- Publication number
- CN217462476U CN217462476U CN202220695624.XU CN202220695624U CN217462476U CN 217462476 U CN217462476 U CN 217462476U CN 202220695624 U CN202220695624 U CN 202220695624U CN 217462476 U CN217462476 U CN 217462476U
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- compressor bin
- hole
- noise reduction
- compressor
- refrigerator
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- 238000007710 freezing Methods 0.000 title claims description 27
- 230000008014 freezing Effects 0.000 title claims description 27
- 230000009467 reduction Effects 0.000 claims abstract description 66
- 238000005187 foaming Methods 0.000 claims abstract description 39
- 230000030279 gene silencing Effects 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 13
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000004088 foaming agent Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressor (AREA)
Abstract
The utility model provides a cold-stored refrigeration device. The foaming layer is provided with a foaming area used for enclosing the compressor bin; the noise reduction module comprises a silencing body, the silencing body is provided with a sound inlet and outlet surface, at least one silencing cavity is arranged in the silencing body, at least one communication port is formed in the sound inlet and outlet surface, each communication port is communicated with one or more silencing cavities, and each silencing cavity is communicated with the outer side of the sound inlet and outlet surface through at least one communication port; the noise reduction module is arranged in the foaming area, and each noise reduction cavity is communicated with the compressor bin through the corresponding communication port. The noise reduction module is installed in the foaming layer around the compressor bin, the volume of the refrigerator is not additionally occupied, namely the volume of the refrigerator can be reduced as much as possible, the installation is stable and stable, the impact resistance is realized, and the transportation test is met.
Description
Technical Field
The utility model relates to a refrigeration storing technical field especially relates to a cold-stored refrigeration device.
Background
With the development of science and technology, the development of social economy and the improvement of living standard of people, high living quality becomes a necessary demand of users, particularly, a refrigerating and freezing device such as a refrigerator and a freezer becomes a necessary product in family life, and most food materials in families are often stored in the refrigerator by the users.
However, the refrigerator generates a loud noise when operating, and when a user approaches the refrigerator, the noise generated by the refrigerator can be heard obviously, which affects the normal life of the user. The refrigerator compressor can produce very big noise when working, does not have fine structure at present to reduce the noise of press work, and the noise in compressor storehouse is one of the main sources of refrigerator noise. That is, most refrigerators on the market today have this noise problem.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a refrigerating and freezing apparatus which overcomes or at least partially solves the above problems, and which can reduce noise of a compressor compartment.
The refrigeration and freezing device comprises a foaming layer and a compressor bin, wherein the foaming layer is provided with a foaming area for enclosing the compressor bin; the noise reduction device is characterized by further comprising a noise reduction module, wherein the noise reduction module comprises a noise reduction body, the noise reduction body is provided with a sound inlet and outlet surface, at least one noise reduction cavity is arranged in the noise reduction body, at least one communication port is arranged on the sound inlet and outlet surface, each communication port is communicated with one or more noise reduction cavities, and each noise reduction cavity is communicated with the outer side of the sound inlet and outlet surface through at least one communication port;
the noise reduction module is arranged in the foaming area, and each noise reduction cavity is communicated with the compressor bin through the corresponding communication port.
Optionally, a through hole is formed in the silencing body, the hole wall of the through hole is the sound entrance and exit surface, and one end of the through hole is communicated with the compressor bin; the other end of the through hole is communicated with the outer space of the refrigerating and freezing device.
Optionally, at least one first groove is provided on a surface of the sound attenuating body facing the compressor bin, and each first groove penetrates the sound attenuating body in one or more reference directions perpendicular to a direction facing the compressor bin;
the number of the first grooves is three or four, and the first grooves are arranged at three or four corners of the corresponding surface of the silencing body.
Optionally, at least one second groove is provided on a surface of the sound attenuating body facing away from the compressor bin, and each second groove penetrates the sound attenuating body in one or more reference directions perpendicular to a direction toward the compressor bin;
the number of the second grooves is two, three or four, and the second grooves are arranged at two, three or four corners of the corresponding surface of the silencing body.
Optionally, the refrigeration and freezing device further comprises a housing assembly, wherein the housing assembly comprises a housing and a compressor compartment wall arranged inside the housing and used for enclosing the compressor compartment;
the foaming area is arranged on the inner side of the shell and is in contact with the shell;
the foaming area is arranged on the outer side of the wall of the compressor bin and is in contact with the wall of the compressor bin;
the surface of the silencing body facing the compressor bin is in contact with or arranged at intervals with the wall of the compressor bin;
the surface of the sound attenuation body, which faces away from the compressor bin, is in contact with or spaced from the shell.
Optionally, a first mounting ring is arranged on the surface of the sound attenuation body facing the compressor bin, and an annular groove is arranged on the surface of the first mounting ring facing the compressor bin;
a first mounting hole is formed in the wall of the compressor bin, a flange inserted into the annular groove is arranged at the edge of the first mounting hole, and the first mounting hole is aligned to the through hole;
the wall of the compressor bin is fixedly connected with the first mounting ring, and the contact area of the wall of the compressor bin and the first mounting ring is sunken towards the direction far away from the compressor bin;
the ring inslot is in the inboard and/or the outside of turn-ups are provided with a plurality of edges the circumference direction of first mounting hole sets up at interval in proper order the butt joint piece, with the turn-ups contact is supported and is leaned on.
Optionally, a second mounting ring is arranged on the surface of the silencing body, which faces away from the compressor bin, and an annular convex strip is arranged on the surface of the second mounting ring, which faces away from the compressor bin;
the shell is provided with a second mounting hole, the annular convex strip is inserted into the second mounting hole, and the second mounting hole is aligned to the through hole.
Optionally, the refrigeration and freezing device further comprises a ventilation grille, wherein the ventilation grille is mounted at one end of the through hole, which faces away from the compressor bin;
the ventilation grille is positioned outside the shell;
the outside of shell is provided with the depressed groove, the second mounting hole set up in on the groove diapire of depressed groove, the ventilation grid is located in the depressed groove.
Optionally, the ventilation grille is mounted at one end of the through hole, which is far away from the compressor bin, through a clamping structure; the clamping structure comprises:
the two ends of the clamping hole strip are connected to the hole edge of one end, away from the compressor bin, of the through hole to limit a clamping hole;
the clamping convex block is arranged in the clamping hole and connected to the hole edge of one end, deviating from the compressor bin, of the through hole; and
the buckle, connect in the orientation of ventilation grid the compressor storehouse on the surface, insert the joint hole, and with the cooperation of joint lug.
Optionally, the sound attenuation body is made of an ABS material.
The utility model discloses an among the cold-stored refrigerating plant, owing to have the module of making an uproar of falling, the sound transmission enters into the amortization intracavity through the intercommunication mouth, has prolonged the propagation path of sound, has weakened the energy of sound, makes the sound that continues outwards to disperse reduce. Particularly, the noise reduction module is arranged in the foaming layer around the compressor bin, the volume of the refrigerator is not additionally occupied, namely, the volume of the refrigerator is reduced as much as possible, and the noise reduction module is stable and stable to install, is impact-resistant and meets the transportation test.
And furthermore, foaming agents are filled around the noise reduction module, and the noise reduction module is bonded with the U shell and the bottom steel side plate of the refrigeration and freezing device through the foaming agents. And the noise reduction module is placed between the compressor bin side plate and the box U shell of the refrigeration and freezing device in the middle, and a certain gap is reserved on two sides of the noise reduction module for filling foaming materials in the noise reduction module. The first groove and the second groove arranged on the two sides of the noise reduction module facilitate flowing of foaming materials. The installation assembly interface of the ventilation grid is designed in the middle of the noise reduction module, is consistent with the existing interface, is used for installing the ventilation grid, improves the universality and the practicability, reduces the cost, and can be used for refrigerators of different types and models. The noise reduction module is made of ABS materials, is flame-retardant, safe and free from peculiar smell, and has good sound absorption and noise reduction functions.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
fig. 4 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
fig. 6 is a schematic block diagram of a noise reduction module in a refrigeration chiller according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a noise reduction module in a refrigeration chiller according to an embodiment of the present invention;
fig. 8 is a schematic partial structural view of a noise reduction module in a refrigeration freezer according to an embodiment of the present invention.
Detailed Description
A refrigerating and freezing apparatus according to an embodiment of the present invention will be described with reference to fig. 1 to 8. In the description of the present embodiments, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.
Unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and "coupled" and the like are intended to be inclusive and mean, for example, that is, permanently connected, removably connected, or integral to; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.
Further, in the description of the present embodiment, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature therebetween. That is, in the description of the present embodiment, the first feature being "on", "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiments, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means 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.
Fig. 1 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention, as shown in fig. 1, and referring to fig. 2 to 8, the embodiment of the present invention provides a refrigeration and freezing apparatus. The refrigeration and freezing apparatus includes a foaming layer, a compressor bin 30 and a noise reduction module 40. The foaming layer has a foaming zone for enclosing the compressor bin 30. That is, the outer side of the compressor housing 30 is provided with a foaming structure, for example, both lateral sides of the compressor housing 30 are provided with foaming structures, which are foaming regions of a foaming layer for enclosing the compressor housing 30. In particular, the noise reduction module 40 comprises a silencing body 41, the silencing body 41 having a sound entrance and exit surface, the interior of the silencing body 41 having at least one silencing chamber 42, the sound entrance and exit surface being provided with at least one communication port, each communication port communicating with one or more silencing chambers 42, each silencing chamber 42 communicating with the outside of the sound entrance and exit surface through at least one communication port. The noise reduction module 40 is disposed in the foaming area, and each sound attenuation chamber 42 is communicated with the compressor compartment 30 through a corresponding communication port.
When the refrigerating and freezing device works, the noise generated by the compressor in the compressor bin 30 and the like is transmitted into the silencing cavity 42 through the communication port, so that the transmission path of the sound is prolonged, the energy of the sound is weakened, and the sound which continuously radiates outwards is reduced. Moreover, the length of the sound deadening cavity 42 can enable incident sound waves and reflected sound waves of noise to be superposed at a communication port of the sound deadening cavity 42, the amplitudes are equal as much as possible, the phases are reversed by 180 degrees as much as possible, the sound waves are offset as much as possible, and the purposes of sound deadening or noise reduction are achieved. In particular, the noise reduction module 40 is installed in the foaming layer around the compressor bin 30, so that the volume of the refrigerator is not additionally occupied, namely, the volume of the refrigerator can be reduced as much as possible, and the noise reduction module is stable and stable to install, is impact-resistant and meets the transportation test.
In some embodiments of the present invention, as shown in fig. 1 and 2, and fig. 6 to 8, a through hole is formed on the silencing body 41, a hole wall of the through hole is a sound entrance surface, and one end of the through hole is communicated with the compressor bin 30; the other end of the through hole is communicated with the outer space of the refrigerating and freezing device. The noise reduction body 41 is used in cooperation with the heat dissipation airflow passage of the compressor compartment 30, so that noise transmitted out of the compressor compartment 30 can be significantly reduced. Preferably, there are two foaming regions disposed at both lateral sides of the compressor compartment 30; the number of the noise reduction modules 40 is two, and the two noise reduction modules are respectively arranged in the two foaming areas. The noise reduction body 41 is made of ABS material, namely the noise reduction module 40 is made of ABS material, so that the noise reduction module is flame-retardant, safe and free of peculiar smell, and has a good sound absorption and noise reduction function.
In order to facilitate the installation of the noise reduction module 40 and ensure the firmness, as shown in fig. 6 to 8, at least one first groove 43 is provided on the surface of the sound-deadening body 41 facing the compressor bin 30, and each first groove 43 penetrates the sound-deadening body 41 in one or more reference directions perpendicular to the direction facing the compressor bin 30. At least one second groove 44 is provided on the surface of sound-attenuating body 41 facing away from compressor bin 30, and each second groove 44 penetrates sound-attenuating body 41 in one or more reference directions perpendicular to the direction towards compressor bin 30.
For example, the number of the first grooves 43 is three or four, provided at three or four corners of the corresponding surface of the sound-deadening body 41. Further, the first groove 43 can be communicated with two adjacent end surfaces of the sound-deadening body 41, so as to facilitate the flow of the foaming material. The number of the second grooves 44 is two, three, or four, and are provided at two, three, or four corners of the corresponding surface of the sound-deadening body 41. The second groove 44 can be communicated with two adjacent end surfaces of the sound-deadening body 41, so that the flow of the foaming material is facilitated.
In some embodiments of the present invention, as shown in fig. 1 and 2, the refrigerating and freezing device further comprises a box body having a shell assembly including a shell 21 and a compressor compartment wall 22 disposed inside the shell 21 for enclosing a compressor compartment 30. For example, the outer shell 21 may be a U-shell of a refrigerator freezer and the compressor compartment wall 22 may be a side panel of the compressor compartment 30. The U shell and the side plates and the like form a shell assembly.
The foaming region is provided inside the housing 21 and is in contact with the housing 21. The foaming region is disposed outside the compressor compartment wall 22 and is in contact with the compressor compartment wall 22. That is, the foaming area is provided between the outer shell 21 and the compressor compartment wall 22, the foaming agent is filled around the noise reduction module 40, and the noise reduction module 40 is bonded to the U-shaped shell and the bottom steel side plate of the refrigeration and freezing device through the foaming agent, so that the connection is firm. The surface of sound attenuating body 41 facing compressor compartment 30 is in contact with or spaced from compressor compartment wall 22. The surface of sound-damping body 41 facing away from compressor compartment 30 is in contact with or spaced from housing 21. Preferably, the sound attenuation body 41, the shell 21 and the compressor compartment wall 22 are arranged at intervals, that is, the noise reduction module 40 is placed between the side plate of the compressor compartment 30 and the U-shaped shell of the refrigerator body of the refrigerating and freezing device, and a certain gap is left between the two sides for filling the foaming material therein.
In some embodiments of the present invention, as shown in fig. 3 to 5, a first mounting ring 45 is disposed on the surface of the silencing body 41 facing the compressor compartment 30, and a ring groove is disposed on the surface of the first mounting ring 45 facing the compressor compartment 30. The wall 22 of the compressor bin is provided with a first mounting hole, the edge of the first mounting hole is provided with a flange 23 inserted into the annular groove, and the first mounting hole is aligned with the through hole. The compressor wall 22 is fixedly connected, for example by means of screws, to the first mounting ring 45. The region of the compressor bin wall 22 in contact with the first mounting ring 45 is recessed away from the compressor bin. The inner side and/or the outer side of the flanging 23 in the ring groove are/is provided with a plurality of abutting blocks which are sequentially arranged at intervals along the circumferential direction of the first mounting hole and are in contact abutting with the flanging 23. Facilitating a secure attachment of the noise reduction module 40 to the compressor plenum wall 22.
In some embodiments of the present invention, the surface of the silencing body 41 deviating from the compressor compartment 30 is provided with a second mounting ring 46, and the surface of the second mounting ring 46 deviating from the compressor compartment 30 is provided with an annular convex strip 47. The housing 21 is provided with a second mounting hole into which the annular rib 47 is inserted, the second mounting hole being aligned with the through hole. Facilitating a secure attachment of noise reduction module 40 to housing 21.
In some embodiments of the present invention, the refrigeration and freezing apparatus further comprises a ventilation grille, which is installed at an end of the through hole that is away from the compressor compartment 30. Further, a ventilation grill is provided outside the housing 21. The outside of shell 21 is provided with the depressed groove, and the second mounting hole sets up on the groove diapire of depressed groove, and the ventilation grid is located the depressed groove.
In order to facilitate the installation and the versatility requirement of the ventilation grille, the ventilation grille is mounted at the end of the through hole facing away from the compressor bin 30 by a clamping structure. The clamping structure comprises a clamping hole strip 51, a clamping convex block 52 and a clamp buckle. The two ends of the snap hole strip 51 are connected at the hole edge of the end of the through hole facing away from the compressor bin 30 to define a snap hole. The snap lugs 52 are arranged in the snap holes and are connected at the hole edge of the end of the through hole facing away from the compressor bin 30. The snap connection is made on the surface of the ventilation grille facing the compressor bin 30, inserted into the snap hole and cooperating with the snap projection 52. The installation assembly interface of the ventilation grid is designed in the middle of the noise reduction module 40, is consistent with the existing interface, is used for installing the ventilation grid, improves the universality and the practicability, reduces the cost, and can be used for refrigerators of different types and models. The clamping hole strip 51 is obliquely arranged towards the surface of the clamping convex block 52 to form a guide inclined plane for guiding the insertion of the buckle, so that the buckle can be conveniently inserted.
The utility model discloses an in some embodiments, condenser, cooling fan and compressor set gradually along horizontal direction, will fall the noise module 40 simultaneously and set up in the horizontal both sides in compressor storehouse 30, can make one fall the noise module and be close to the compressor as far as possible, make noise reduction effect reach the best, and fall the noise module 40 and set up in the foaming layer, can not influence the flow of cooling air in compressor storehouse 30, consequently also do not influence performances such as efficiency, the safety of cold-stored refrigerating plant.
In some embodiments of the present invention, some or all of the sound-attenuating chamber 42 may be labyrinth-shaped. Noise passes through the sound entrance and exit face when passing through the noise reduction module 40, then enters into the sound attenuation chamber 42 through the communication port on the sound entrance and exit face, and part or all of the sound attenuation chamber 42 can be labyrinth-shaped, has a certain depth, and makes the propagation path of sound warp increase, and through setting up this acoustics superstructure, noise reduction effect has been realized. Preferably, each communication port communicates with one of the sound-deadening chambers 42, and each of the sound-deadening chambers 42 communicates with the outside of the sound entrance and exit surface through one communication port.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigerating and freezing device comprises a foaming layer and a compressor bin, wherein the foaming layer is provided with a foaming area used for enclosing the compressor bin; the noise reduction device is characterized by further comprising a noise reduction module, wherein the noise reduction module comprises a noise reduction body, the noise reduction body is provided with a sound inlet and outlet surface, at least one noise reduction cavity is arranged in the noise reduction body, at least one communication port is arranged on the sound inlet and outlet surface, each communication port is communicated with one or more noise reduction cavities, and each noise reduction cavity is communicated with the outer side of the sound inlet and outlet surface through at least one communication port;
the noise reduction module is arranged in the foaming area, and each noise reduction cavity is communicated with the compressor bin through the corresponding communication port.
2. A refrigerator-freezer according to claim 1,
the sound attenuation body is provided with a through hole, the wall of the through hole is the sound inlet and outlet surface, and one end of the through hole is communicated with the compressor bin; the other end of the through hole is communicated with the outer space of the refrigerating and freezing device;
the two foaming areas are arranged on the two transverse sides of the compressor bin; the number of the noise reduction modules is two, and the two noise reduction modules are respectively arranged in the two foaming areas.
3. A refrigerator-freezer according to claim 1,
at least one first groove is arranged on the surface of the silencing body facing the compressor bin, and each first groove penetrates through the silencing body in one or more reference directions perpendicular to the direction facing the compressor bin.
4. A refrigerator-freezer according to claim 3,
at least one second groove is arranged on the surface of the silencing body, which is far away from the compressor bin, and each second groove penetrates through the silencing body in one or more reference directions perpendicular to the direction towards the compressor bin.
5. A refrigerator-freezer according to claim 4,
the first grooves are three or four in number and are arranged at three or four corners of the corresponding surface of the silencing body;
the number of the second grooves is two, three or four, and the second grooves are arranged at two, three or four corners of the corresponding surface of the silencing body;
the noise reduction body is made of ABS materials.
6. A refrigerator-freezer according to claim 2, further comprising a housing assembly comprising a housing and a compressor compartment wall provided inside the housing for enclosing the compressor compartment;
the foaming area is arranged on the inner side of the shell and is in contact with the shell;
the foaming area is arranged on the outer side of the wall of the compressor bin and is in contact with the wall of the compressor bin;
the surface of the silencing body facing the compressor bin is in contact with or arranged at intervals with the wall of the compressor bin;
the surface of the sound attenuation body, which faces away from the compressor bin, is in contact with or spaced from the shell.
7. A refrigerator-freezer according to claim 6,
a first mounting ring is arranged on the surface of the silencing body, which faces the compressor bin, and a ring groove is arranged on the surface of the first mounting ring, which faces the compressor bin;
a first mounting hole is formed in the wall of the compressor bin, a flange inserted into the annular groove is arranged at the edge of the first mounting hole, and the first mounting hole is aligned to the through hole;
the wall of the compressor bin is fixedly connected with the first mounting ring, and the contact area of the wall of the compressor bin and the first mounting ring is sunken towards the direction far away from the compressor bin;
the ring inslot is in the inboard and/or the outside of turn-ups are provided with a plurality of edges the circumference direction of first mounting hole sets up at interval in proper order the butt joint piece, with the turn-ups contact is supported and is leaned on.
8. A refrigerator-freezer according to claim 6,
a second mounting ring is arranged on the surface of the silencing body, which is far away from the compressor bin, and an annular convex strip is arranged on the surface of the second mounting ring, which is far away from the compressor bin;
the shell is provided with a second mounting hole, the annular convex strip is inserted into the second mounting hole, and the second mounting hole is aligned to the through hole.
9. A refrigerator-freezer according to claim 8, further comprising a ventilation grille mounted to an end of the through-hole facing away from the compressor compartment;
the ventilation grille is positioned outside the shell;
the outside of shell is provided with the depressed groove, the second mounting hole set up in on the groove diapire of depressed groove, the ventilation grid is located in the depressed groove.
10. A refrigerator-freezer according to claim 9,
the ventilation grating is arranged at one end of the through hole, which is far away from the compressor bin, through a clamping structure; the clamping structure comprises:
the two ends of the clamping hole strip are connected to the hole edge of one end, away from the compressor bin, of the through hole to limit a clamping hole;
the clamping convex block is arranged in the clamping hole and connected to the hole edge of one end, deviating from the compressor bin, of the through hole; and
the buckle is connected to the surface, facing the compressor bin, of the ventilation grating, inserted into the clamping hole and matched with the clamping convex block;
the clamping hole strips face the clamping convex blocks, and the surfaces of the clamping convex blocks are obliquely arranged to form a guide inclined plane for guiding the buckles to insert.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220695624.XU CN217462476U (en) | 2022-03-28 | 2022-03-28 | Refrigerating and freezing device |
| PCT/CN2023/083278 WO2023185613A1 (en) | 2022-03-28 | 2023-03-23 | Refrigerating and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220695624.XU CN217462476U (en) | 2022-03-28 | 2022-03-28 | Refrigerating and freezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462476U true CN217462476U (en) | 2022-09-20 |
Family
ID=83267602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220695624.XU Active CN217462476U (en) | 2022-03-28 | 2022-03-28 | Refrigerating and freezing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217462476U (en) |
| WO (1) | WO2023185613A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185613A1 (en) * | 2022-03-28 | 2023-10-05 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0754753Y2 (en) * | 1989-11-06 | 1995-12-18 | 三菱電機株式会社 | Silent type ventilation grill |
| CN106679274B (en) * | 2016-12-02 | 2019-12-10 | 青岛海尔股份有限公司 | Refrigerating and freezing device |
| DE202017002399U1 (en) * | 2017-05-08 | 2018-08-09 | Eppendorf Ag | Ultra low temperature freezer |
| CN214533437U (en) * | 2020-12-25 | 2021-10-29 | 沈阳海尔电冰箱有限公司 | Silencing device and refrigerator |
| CN215638266U (en) * | 2021-04-28 | 2022-01-25 | 重庆海尔制冷电器有限公司 | Press bin and refrigeration equipment with same |
| CN215633610U (en) * | 2021-04-28 | 2022-01-25 | 青岛海尔特种制冷电器有限公司 | Silencing device and refrigerator with same |
| CN215256700U (en) * | 2021-04-28 | 2021-12-21 | 青岛海尔电冰箱有限公司 | Refrigeration device |
| CN217462477U (en) * | 2022-03-28 | 2022-09-20 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
| CN217462476U (en) * | 2022-03-28 | 2022-09-20 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
-
2022
- 2022-03-28 CN CN202220695624.XU patent/CN217462476U/en active Active
-
2023
- 2023-03-23 WO PCT/CN2023/083278 patent/WO2023185613A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185613A1 (en) * | 2022-03-28 | 2023-10-05 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023185613A1 (en) | 2023-10-05 |
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