CN218484503U

CN218484503U - Compound structure and dish washer of making an uproar that falls

Info

Publication number: CN218484503U
Application number: CN202121810718.9U
Authority: CN
Inventors: 韩君庆; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2023-02-17
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a compound structure and dish washer of making an uproar falls, wherein compound structure of making an uproar falls includes casing, sound transmission subassembly and at least one and falls the subassembly of making an uproar, wherein be in inject hollow chamber that holds in the casing hold and seted up the introducing port on the chamber in order to channel into external noise hold the intracavity set gradually the sound transmission subassembly, fall the subassembly of making an uproar so that get into the noise that holds the intracavity passes through in proper order sound transmission subassembly, fall the subassembly of making an uproar and fall the processing of making an uproar. Its simple structure through the cooperation of penetrating the sound subassembly with the subassembly of making an uproar falls in order to fall the noise processing of making an uproar to the noise reduction performance of product is effectively improved.

Description

Compound structure and dish washer of making an uproar that falls

Technical Field

The utility model relates to a kitchen electricity technical field especially relates to a compound structure and dish washer of making an uproar that falls.

Background

As household dishwashers gradually move into ordinary households, user complaints caused by noise problems are more and more, and accordingly, the noise reduction of the dishwashers and the production of low-noise dishwasher products are more and more emphasized by dishwasher manufacturers.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a compound structure of making an uproar that falls, its simple structure, the cooperation through the subassembly of making an uproar falls with the noise that falls to the collection carries out the noise reduction processing to effectively improve the performance of making an uproar of falling of product.

Furthermore, the utility model also provides a dish washer, its noise problem that can effectively improve the inner bag, and then effective noise pollution reduction.

The first object is achieved by the following technical scheme:

the utility model provides a compound structure of making an uproar that falls, includes casing, sound transmission subassembly and at least one fall the subassembly of making an uproar, wherein be in it has the hollow chamber of holding to inject in the casing hold and seted up the introducing port in order to with external noise leading-in hold the intracavity and set gradually sound transmission subassembly, fall the subassembly so that the messenger gets into the noise that holds the intracavity is in proper order through sound transmission subassembly, fall the subassembly of making an uproar and is fallen the processing of making an uproar.

In some embodiments, the sound-absorbing noise-reducing sound-absorbing structure further comprises a guide plate, wherein the guide plate is arranged in the middle of the sound-transmitting assembly and the noise-reducing assembly, and a plurality of through holes are formed in the guide plate.

In some embodiments, the noise reduction assembly comprises at least one acoustic channel and an acoustic energy dissipation mechanism, wherein the inlet end of the acoustic channel is disposed in correspondence with the acoustically transparent assembly to direct noise that has been noise reduced by the acoustically transparent assembly into the acoustic channel, and the outlet end of the acoustic channel is connected to the acoustic energy dissipation mechanism.

In some embodiments, the acoustic energy dissipation mechanism includes a fixing rod disposed in the acoustic channel, a rotating shaft rotatably disposed on the fixing rod, and dissipation members disposed on an outer surface of the rotating shaft, and a plurality of protrusions are disposed on the outer surface of the dissipation members at intervals along a circumferential direction of the dissipation members.

In some embodiments, the sound channel is helical, and the acoustic energy dissipative mechanism is disposed at a central location of the sound channel.

In some embodiments, the sound channel has a first sound channel and a second sound channel, wherein the inlets are respectively disposed on two sides of the accommodating cavity, sound-transmitting components corresponding to the two inlets are respectively disposed at two ends of the accommodating cavity, the first sound channel inlet end is disposed corresponding to the sound-transmitting component on one side of the accommodating cavity, the second sound channel inlet end is disposed corresponding to the sound-transmitting component on the other side of the accommodating cavity, and the first sound channel outlet end and the second sound channel outlet end are respectively connected to the acoustic energy dissipation mechanism.

In some embodiments, when the number of the noise reduction assemblies is plural, the plural noise reduction assemblies are respectively disposed in the accommodating cavity and the plural noise reduction assemblies are respectively disposed corresponding to the sound transmission assemblies.

In some embodiments, the acoustically transparent component includes a first flexible material layer, a second flexible material layer, and a third flexible material layer disposed in the receiving cavity, where the first flexible material layer, the second flexible material layer, and the third flexible material layer are sequentially disposed at intervals along the introduction port in a direction toward the noise reduction component.

In some embodiments, the thickness of the second layer of flexible material is greater than the thickness of the first layer of flexible material, and the thickness of the second layer of flexible material is less than the thickness of the third layer of flexible material.

The second objective is achieved by the following technical scheme:

a dishwasher having a washing chamber comprising a composite noise reducing structure according to any of the above embodiments, the housing being disposed within the washing chamber.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses a compound structure of making an uproar that falls, its simple structure, through the transparent subassembly with fall the cooperation of making an uproar subassembly in order to fall the noise processing of making an uproar to the performance of making an uproar falls of product is effectively improved.

2. The utility model discloses a dish washer, it can effectively improve the noise problem of inner bag, and then effective noise pollution abatement.

Drawings

FIG. 1 is a schematic structural diagram of a dishwasher according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a composite noise reduction structure in an embodiment of the present invention;

fig. 3 is a schematic partial structural view of a composite noise reduction structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a noise reduction assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an acoustic energy dissipation mechanism according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the scope of the claimed technical solution of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 5, the present embodiment provides a composite noise reduction structure, which includes a housing 1, an acoustic transmission assembly 2, and at least one noise reduction assembly 3, wherein a hollow accommodating cavity 11 is defined in the housing 1, an inlet 12 is opened on the accommodating cavity 11 to introduce external noise into the accommodating cavity 11, and the acoustic transmission assembly 2 and the noise reduction assembly 3 are sequentially disposed in the accommodating cavity 11 so that noise entering the accommodating cavity 11 sequentially passes through the acoustic transmission assembly 2 and the noise reduction assembly 3 to perform noise reduction processing.

In this embodiment, the composite noise reduction structure is applied to other household appliances such as a dishwasher or a range hood, and the composite noise reduction structure in this embodiment is described by way of example in application to a dishwasher, and further description of other types of household appliances is omitted. The preferred cavity that is the rectangle in this embodiment holds chamber 11, be provided with introducing port 12 on the one side that holds chamber 11 or on the both sides respectively the symmetry, through install casing 1 in the dish washer in order to hold chamber 11 with the noise of dish washer work production through introducing port 12 is leading-in, the noise that gets into and hold chamber 11 carries out preliminary noise reduction through sound transmission subassembly 2, the noise that carries out preliminary treatment through sound transmission subassembly 2 carries out the secondary noise reduction through noise reduction subassembly 3 and handles, thereby the energy of consuming the sound wave through noise reduction subassembly 3 is with the effect of making an uproar in order to realize making an uproar, and the steam generator is simple in structure, carry out noise reduction through the cooperation of sound transmission subassembly 2 and noise reduction subassembly 3 with the noise that falls the collection, thereby effectively improve the noise reduction performance of product.

Further, still include guide plate 6, guide plate 6 sets up in the intermediate position department that passes through sound subassembly 2 and fall subassembly 3 of making an uproar to seted up a plurality of through-holes 61 on guide plate 6, its simple structure, reasonable in design can do benefit to and fall the more even entering of noise after making an uproar on the subassembly 3 of making an uproar through passing through the sound component.

Preferably, the noise reduction assembly 3 comprises at least one sound channel 4 and an acoustic energy dissipation mechanism 5, wherein the inlet end of the sound channel 4 is disposed corresponding to the acoustic assembly 2 to guide the noise subjected to noise reduction processing by the acoustic assembly 2 into the sound channel 4, and the outlet end of the sound channel 4 is connected to the acoustic energy dissipation mechanism 5, so that the structure is simple and compact, and noise reduction processing can be facilitated.

Specifically, the sound energy dissipation mechanism 5 comprises a fixed rod 51, a rotating shaft 52 and a dissipation member 53, wherein the fixed rod 51 is arranged in the sound channel 4, the rotating shaft 52 is rotatably arranged on the fixed rod 51, the dissipation member 53 is arranged on the outer surface of the rotating shaft 52, and a plurality of protrusions 54 are arranged on the outer surface of the dissipation member 53 at intervals along the circumferential direction of the dissipation member 53.

Further, the sound channel 4 is formed in a spiral shape, and the acoustic energy dissipation mechanism 5 is disposed at a central position of the sound channel 4, and increases the acoustic energy density by further compressing the noise in the sound channel 4, reinforces the sound intensity, and then dissipates the acoustic energy by frictionally damping the dissipative member.

In this embodiment, be provided with guide plate 6 in the intermediate position department of penetrating sound subassembly 2 and noise reduction subassembly 3 and separate the division respectively with penetrating sound subassembly 2, noise reduction subassembly 3 through guide plate 6, be equipped with a plurality of through-holes 61 along vertical direction interval on guide plate 6 to the noise after the processing of making an uproar is carried out for the first time through penetrating sound subassembly 2 passes through-hole 61 on the guide plate 6 on the even entering noise reduction subassembly 3 more. In this embodiment, the noise reduction assembly 3 is a spiral sound wave super surface structure, when the number of the sound channels 4 is one, the inlet end of the sound channel 4 is arranged corresponding to the sound transmission assembly 2, the outlet end of the sound channel 4 is connected to the sound energy dissipation mechanism 5, that is, a fixing rod 51 is arranged on the inner side wall of the accommodating cavity 11 corresponding to the outlet end of the sound channel 4, a rotating shaft 52 is sleeved outside the fixing rod 51 so that the rotating shaft 52 can be rotatably arranged on the fixing rod 51, a viscous dissipation layer is arranged on the outer surface of the rotating shaft 52 to form a dissipation part 53, preferably, the viscous dissipation layer can be a structure such as viscous glue or friction rubber, so that the sound energy dissipation mechanism 5 forms a friction damping energy dissipation structure, in order to ensure better dissipation of sound energy and increase the surface rotating force, preferably, a protruding part 54 of a protruding structure is arranged on the outer surface of the dissipation part 53, and the protruding part 54 can be a circular point, a pointed spine, or other irregular protruding structure, which is intended to increase the surface area to better interact with sound wave, thereby better dissipating noise to achieve the noise reduction effect. In this embodiment, the noise after the initial noise reduction is guided into the acoustic channel 4 through the inlet end of the acoustic channel 4 by the guide plate 6, and the super surface constructed by the spiral acoustic channel 4 can make the noise entering the acoustic channel 4 to be consumed by the dissipative element 53, and the acoustic energy not consumed by the dissipative element 53 can drive the rotating shaft 52 to rotate clockwise or rotate counterclockwise, so that the frictional damping energy consumption structure formed by the acoustic energy dissipation mechanism 5 consumes the rotating energy, and further consumes the energy of the acoustic wave, thus the noise reduction operation can be realized.

Further, the sound channel 4 has a first sound channel 41 and a second sound channel 42, wherein the two sides of the accommodating cavity 11 are respectively provided with the introducing ports 12, the two ends in the accommodating cavity 11 are respectively provided with the sound transmission components 2 corresponding to the two introducing ports 12, the inlet end of the first sound channel 41 is arranged corresponding to the sound transmission component 2 at one side of the accommodating cavity 11, the inlet end of the second sound channel 42 is arranged corresponding to the sound transmission component 2 at the other side of the accommodating cavity 11, and the outlet ends of the first sound channel 41 and the second sound channel 42 are respectively connected with the sound energy dissipation mechanism 5.

Specifically, when the number of the noise reduction assemblies 3 is multiple, the noise reduction assemblies 3 are respectively arranged in the accommodating cavity 11, and the noise reduction assemblies 3 are respectively arranged corresponding to the sound transmission assemblies 2, so that the design is reasonable, and a good noise reduction effect can be realized.

In this embodiment, when the number of the acoustic channels 4 is two, that is, there are a first acoustic channel 41 and a second acoustic channel 42, in order to effectively improve the noise reduction effect, the introduction ports 12 are respectively provided on the left and right side walls of the accommodating chamber 11, the acoustic transmission components 2 corresponding to the two introduction ports 12 are respectively provided at the left and right ends in the accommodating chamber 11, that is, the acoustic transmission components 2 and the flow guide plates 6 are sequentially provided at the left end in the accommodating chamber 11 from left to right, the acoustic transmission components 2 and the flow guide plates 6 are sequentially provided at the right end in the accommodating chamber 11 from right to left, and a plurality of noise reduction components 3 are provided at intervals at the middle positions of the two flow guide plates 6, the number of the channels of each noise reduction component 3 is preferably set to two, so that the inlet end of the first acoustic channel 41 corresponds to the flow guide plate 6 at the left end of the accommodating chamber 11, the inlet end of the second sound channel 42 is arranged corresponding to the guide plate 6 at the right end of the accommodating cavity 11, the outlet end of the first sound channel 41 and the outlet end of the second sound channel 42 are respectively connected with the sound energy dissipation mechanism 5, namely, a fixed rod 51 is arranged on the inner side wall of the accommodating cavity 11 at the position corresponding to the outlet end of the first sound channel 41 and the outlet end of the second sound channel 42, a rotating shaft 52 is sleeved outside the fixed rod 51 so that the rotating shaft 52 can be rotatably arranged on the fixed rod 51, a viscous dissipation layer is arranged on the outer surface of the rotating shaft 52 to form a dissipation part 53, and a protruding part 54 of a protruding structure is arranged on the outer surface of the dissipation part 53, so that the sound energy dissipation mechanism 5 forms a friction damping energy dissipation structure. In this embodiment, the noise generated by the operation of the dishwasher is respectively introduced into the accommodating chamber 11 through the inlets 12 on both sides of the accommodating chamber 11, the noise introduced from the left side of the accommodating chamber 11 sequentially passes through the sound transmission assembly 2 and the guide plate 6 and then is introduced into the first sound channel 41 through the inlet end of the first sound channel 41, the noise introduced from the right side of the accommodating chamber 11 sequentially passes through the sound transmission assembly 2 and the guide plate 6 and then is introduced into the second sound channel 42 through the inlet end of the second sound channel 42, and the noise in the first sound channel 41 and the second sound channel 42 can generate different phase differences when meeting through the super surface constructed by the spiral sound channel 4, so as to reduce the vibration intensity of the noise, and simultaneously, the noise in the first sound channel 41 and the second sound channel 42 can be consumed by the dissipating member 53, and the sound energy not consumed by the sound member 53 can drive the rotating shaft 52 to rotate clockwise or counterclockwise, so that the rotational energy is consumed by the friction damping energy consuming structure constructed by the sound energy dissipating mechanism 5, and thus the noise reduction operation can be realized.

Further, the sound-transmitting assembly 2 comprises a first flexible material layer 21, a second flexible material layer 22 and a third flexible material layer 23 which are arranged in the accommodating cavity 11, wherein the first flexible material layer 21, the second flexible material layer 22 and the third flexible material layer 23 are sequentially arranged at intervals along the direction from the introducing port 12 to the noise reduction assembly 3, the design is reasonable and ingenious, and the collected noise can be effectively subjected to primary noise reduction.

Particularly, the thickness of the second flexible material layer 22 is greater than that of the first flexible material layer 21, and the thickness of the second flexible material layer 22 is less than that of the third flexible material layer 23, so that the design is reasonable, the noise of different frequency bands can be effectively absorbed, and the noise reduction effect of the product is further improved.

In this embodiment, the first flexible material layer 21 is disposed in the accommodating cavity 11 at a position close to the introducing port 12, that is, the first flexible material layer 21 is disposed corresponding to the introducing port 12, and the first flexible material layer 21, the second flexible material layer 22, and the third flexible material layer 23 are sequentially disposed at intervals along the direction from the introducing port 12 to the noise reduction assembly 3 at the inlet in the accommodating cavity 11, and due to the different thicknesses of the three flexible material layers, the functional effects produced by the damping and noise elimination effects of the materials are also different, in this embodiment, the number of the flexible material layers of the sound-transmitting assembly 2 is not limited to three, and may be two or four, and certainly, other more suitable number of flexible material layers may be selected according to actual requirements, and at the same time, the flexible material layer can be made of flame-retardant film, flame-retardant paper, artificial leather and the like, and other more suitable materials can be selected according to actual requirements, and the flexible material layer is preferably made of ultrathin flexible material, the thickness range of the flexible material layer is preferably 10-2000 μm, in addition, in order to further improve the noise reduction effect, the thickness of the second flexible material layer 22 is larger than that of the first flexible material layer 21, and the thickness of the second flexible material layer 22 is smaller than that of the third flexible material layer 23, namely the thicknesses of the three flexible material layers are gradually increased along the direction from the introducing port 12 to the noise reduction assembly 3, the thickness of the first flexible material layer 21 is 10-100 μm, and the resonance can be generated with the noise in the frequency band of 500Hz-700Hz, so that the noise of 500Hz-700Hz can be reduced; the thickness of the second flexible material layer 22 is 100-500 μm, and the second flexible material layer can resonate with noise in a frequency band of 300-500 Hz, so that the noise in the frequency band of 300-500 Hz is reduced; the thickness of the third flexible material layer 23 is 500-2000 μm, and the third flexible material layer can resonate with noise in a frequency band of 150-300 Hz, so that the noise of 150-300 Hz can be reduced. The sound absorption mechanism of the flexible material in the embodiment is mainly internal damping loss when the film vibrates integrally, so the flexible material can be approximately regarded as a simple mass-spring system, the sound absorption coefficient is very low at high frequency, the resonance frequency is usually 200-1000 Hz, and the maximum sound absorption coefficient is 0.3-0.4.

Example two:

as shown in fig. 1 to 5, the present embodiment provides a dishwasher having a washing chamber, including the composite noise reduction structure as described in the first embodiment, and a housing 1 disposed in the washing chamber.

In this embodiment, dishwasher through having used the compound structure of making an uproar that falls such as embodiment one in the washing chamber the inside, through install casing 1 in dishwasher in order to hold the chamber 11 with the noise that dishwasher work produced through leading-in 12 introduction of introducing port, the entering holds the noise in the chamber 11 and carries out preliminary noise reduction through sound transmission subassembly 2, the noise after carrying out preliminary treatment through sound transmission subassembly 2 carries out the secondary noise reduction through noise reduction subassembly 3, thereby consume the energy of sound wave in order to realize the effect of making an uproar of falling through noise reduction subassembly 3, and then effectively improve the performance of making an uproar of product, it can effectively improve the noise problem of inner bag, and then effectively reduce noise pollution.

What has been described above is merely some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a compound structure of making an uproar that falls, characterized in that includes casing (1), sound transmission assembly (2) and at least one subassembly (3) of making an uproar that fall, wherein be limited with hollow chamber (11) that holds in casing (1) hold and seted up introducing port (12) on chamber (11) in order to lead into external noise hold in chamber (11) hold and have set gradually sound transmission assembly (2), the subassembly (3) of making an uproar that fall in holding chamber (11) noise in proper order through sound transmission assembly (2), the subassembly (3) of making an uproar of falling hold and pass through in the chamber (11) noise reduction processing is carried out in proper order to sound transmission assembly (2), the subassembly (3) of making an uproar.

2. A composite noise reduction structure according to claim 1, further comprising a baffle plate (6), wherein the baffle plate (6) is disposed at a position intermediate between the sound transparent assembly (2) and the noise reduction assembly (3), and a plurality of through holes (61) are formed in the baffle plate (6).

3. A composite noise reduction structure according to claim 1, wherein the noise reduction assembly (3) comprises at least one sound channel (4) and sound dissipation means (5), wherein the inlet end of the sound channel (4) is arranged in correspondence with the sound permeable assembly (2) for conducting noise reduced by the sound permeable assembly (2) into the sound channel (4) and the outlet end thereof is connected to the sound dissipation means (5).

4. A composite noise reducing structure according to claim 3, characterized in that the acoustic energy dissipating means (5) comprises a fixing rod (51), a rotating shaft (52) and dissipating members (53), the fixing rod (51) being arranged in the sound channel (4), the rotating shaft (52) being rotatably arranged on the fixing rod (51), the dissipating members (53) being arranged on the outer surface of the rotating shaft (52), and a plurality of protrusions (54) being arranged on the outer surface of the dissipating members (53) at intervals in the circumferential direction of the dissipating members (53).

5. A composite noise reducing structure according to claim 4, characterized in that the sound channel (4) is helical, the acoustic energy dissipative mechanism (5) being arranged in the center of the sound channel (4).

6. A composite noise reducing structure according to claim 3, wherein the sound channel (4) has a first sound channel (41) and a second sound channel (42), wherein the inlets (12) are respectively disposed on both sides of the accommodating chamber (11), sound-transmitting components (2) corresponding to the inlets (12) are respectively disposed at both ends in the accommodating chamber (11), the inlet end of the first sound channel (41) is disposed corresponding to the sound-transmitting component (2) at one side of the accommodating chamber (11), the inlet end of the second sound channel (42) is disposed corresponding to the sound-transmitting component (2) at the other side of the accommodating chamber (11), and the outlet ends of the first sound channel (41) and the second sound channel (42) are respectively connected to the sound energy dissipating mechanism (5).

7. A composite noise reducing structure according to claim 1, wherein when the number of noise reducing assemblies (3) is plural, plural noise reducing assemblies (3) are respectively disposed in the accommodating chamber (11) and plural noise reducing assemblies (3) are respectively disposed corresponding to the sound transmitting assemblies (2).

8. A composite noise reduction structure according to any of claims 1 to 7, wherein the acoustically transparent member (2) comprises a first flexible material layer (21), a second flexible material layer (22) and a third flexible material layer (23) arranged in the receiving chamber (11), wherein the first flexible material layer (21), the second flexible material layer (22) and the third flexible material layer (23) are arranged at intervals in sequence along the introduction opening (12) in the direction of the noise reduction member (3).

9. A composite noise reducing structure according to claim 8, characterized in that the thickness of the second layer of flexible material (22) is greater than the thickness of the first layer of flexible material (21), and the thickness of the second layer of flexible material (22) is less than the thickness of the third layer of flexible material (23).

10. A dishwasher having a washing chamber, characterized by comprising a composite noise reducing structure according to any of claims 1 to 9, the housing (1) being arranged in the washing chamber.