CN217008638U - Noise reduction shell and purifier thereof - Google Patents

Noise reduction shell and purifier thereof Download PDF

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Publication number
CN217008638U
CN217008638U CN202123456625.3U CN202123456625U CN217008638U CN 217008638 U CN217008638 U CN 217008638U CN 202123456625 U CN202123456625 U CN 202123456625U CN 217008638 U CN217008638 U CN 217008638U
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China
Prior art keywords
noise
layer
noise reduction
sound
casing
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CN202123456625.3U
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Chinese (zh)
Inventor
任富佳
王丁一
于巍巍
马晓阳
温俊生
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Hangzhou Robam Appliances Co Ltd
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Hangzhou Robam Appliances Co Ltd
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Priority to CN202123456625.3U priority Critical patent/CN217008638U/en
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Abstract

The utility model relates to the field of household appliances, in particular to a noise reduction shell and a water purifier thereof. The noise reduction shell comprises a reflecting layer and an absorbing layer; the reflecting layer is of a box body structure, the box body formed by the reflecting layer is provided with an opening, and noise source parts can freely enter the box body formed by the reflecting layer through the opening; the absorbing layer absorbs acoustic wave energy, and the absorbing layer is arranged on one side, close to the noise source part, of the reflecting layer. This purifier includes above-mentioned noise reduction shell. The sound absorption layer is arranged in the space, so that the energy of the sound wave is ceaselessly dissipated, and the intensity of noise is effectively reduced.

Description

Noise reduction shell and purifier thereof
Technical Field
The utility model relates to the field of household appliances, in particular to a noise reduction shell and a water purifier thereof.
Background
At present to domestic purifier, because it is at the during operation, water pump load is great, and the rotational speed is very fast, and it is nearer apart from it to its during operation user in addition, consequently to the user, can have noise interference of certain degree, influence the product and use and experience.
In the prior art, the noise is reduced by improving the performance of a pump body or additionally arranging a damping pad, the cost is high by optimizing the performance of the pump body, and the research and development period is long; the noise reduction effect is not obvious by adopting the vibration reduction pad. A noise reduction product with simple structure and low cost is needed at present, and the use experience of the majority of water purifier users is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a noise reduction product with simple structure and reliable performance.
In one aspect, the present invention provides a noise reduction housing comprising a reflective layer and an absorptive layer;
the reflection layer reflects sound waves in a reflection path, the reflection layer is of a box structure, an opening is formed in a box body formed by the reflection layer, and noise source parts can freely enter the box body formed by the reflection layer through the opening;
the absorbing layer absorbs acoustic wave energy, and the absorbing layer is arranged on one side, close to the noise source part, of the reflecting layer.
In an alternative embodiment, the housing of the reflective layer encases the noise source component at multiple orientations in space.
In an alternative embodiment, the noise reduction housing further comprises a secondary housing;
the box that the reflection stratum encloses is half seal structure, the second grade casing is right opening on the reflection stratum shelters from, the second grade casing with the connection can be dismantled to the reflection stratum, makes the reflection stratum is inside to be formed with confined space.
In an optional embodiment, the secondary shell is a box structure, and the secondary shell covers the reflective layer;
the inner space of the secondary shell is larger than the space coated by the reflecting layer, and other parts with lower noise in the equipment to be installed are arranged in the secondary shell and outside the reflecting layer.
In an alternative embodiment, the secondary shell is provided with a detachable cover, and a sealing strip is arranged at the joint of the cover and the secondary shell.
In an alternative embodiment, the sealing strip is a sponge.
In an optional implementation manner, a noise reduction plate is further arranged on the inner side of the secondary shell, and the noise reduction plate is arranged on the inner side of the secondary shell and detachably connected with the secondary shell.
In an alternative embodiment, the noise reduction plate comprises a mounting plate and an acoustic panel, and the noise reduction plate is fixedly bonded to the acoustic panel.
In an optional embodiment, the mounting panel is a rigid plate with an aluminum foil coated on the surface, the sound-absorbing panel is sound-absorbing cotton, and the sound-absorbing cotton is a double-layer structure.
A purifier includes foretell noise reduction shell.
Has the advantages that:
the noise reduction shell provided by the utility model comprises a reflecting layer and an absorbing layer; the reflection layer reflects sound waves in a reflection path, the reflection layer is of a box body structure, the box body formed by the reflection layer is provided with an opening, and noise source parts can freely enter the box body formed by the reflection layer through the opening; the absorbing layer absorbs acoustic wave energy, and the absorbing layer is arranged on one side, close to the noise source part, of the reflecting layer.
The reflecting layer obstructs the transmission of sound waves, enhances the reflection of the sound waves, enables the sound waves to be reflected according to a reflection path, and then reflects the sound waves after the sound waves reach the other side, so that the sound waves are continuously reflected in a certain closed space, and the sound absorbing layer has the function of continuously dissipating the energy of the continuously reflected sound waves in the closed space, so that the intensity of noise is effectively reduced.
In addition, the noise reduction shell can be spliced by using simple plates, and has the advantages of simple structure, convenience and quickness in processing and low cost; the noise reduction shell can be processed into any shape according to the specific shape of the equipment to be installed, the adaptability is strong, and the noise reduction shell has obvious advantages compared with the existing noise reduction products.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a noise reduction housing according to an embodiment of the present invention;
FIG. 2 is a schematic view of an exploded structure of a noise reduction housing provided with a sealing strip according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a noise reduction plate according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an explosive structure of a noise reduction housing provided with a noise reduction plate according to an embodiment of the present invention.
Icon: 1-a reflective layer; 2-an absorbing layer; 3-a secondary shell; 31-sealing the cover; 32-a sealing strip;
5-noise reduction plate; 51-a mounting plate; 52-sound absorbing panel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The noise reduction case according to fig. 1 to 4 includes a reflection layer 1 and an absorption layer 2;
the reflection layer 1 reflects the sound wave installation reflection path, the reflection layer 1 is of a box structure, the inner cavity of a box is not smaller than noise source parts, an opening is formed in the box formed by the reflection layer 1, and the noise source parts can freely enter the box formed by the reflection layer 1 through the opening;
the absorbing layer 2 absorbs sound wave energy, and the absorbing layer 2 is arranged on one side, close to the noise source part, of the reflecting layer 1;
the noise reduction shell is detachably connected with equipment to be installed, and in a use state, noise source parts are located inside the box body of the reflecting layer 1.
The reflecting layer 1 obstructs the transmission of sound waves, enhances the reflection of the sound waves, enables the sound waves to be reflected according to a reflection path, and then reflects the sound waves after the sound waves reach the other side, so that the sound waves are continuously reflected in a certain closed space, and the sound absorbing layer has the function of continuously dissipating the energy of the continuously reflected sound waves in the closed space, so that the intensity of noise is effectively reduced.
In addition, the noise reduction shell can be assembled by simple plates, and has the advantages of simple structure, convenient processing and low cost; the noise reduction shell can be processed into any shape according to the specific shape of the equipment to be installed, the adaptability is strong, and the noise reduction shell has obvious advantages compared with the existing noise reduction products.
In an alternative embodiment of the present invention, the casing formed by the reflective layer 1 covers the noise source component at a plurality of orientations in the space.
Specifically, the box body formed by the reflecting layer 1 at least coats the noise source parts in four directions in space; when the box body formed by the reflecting layer 1 is provided with openings in two directions, the openings in two directions can be positioned on two adjacent side walls or two opposite side walls.
Specifically, the reflecting layer 1 is made of EAV sound insulation rubber with high density and high mass, and for convenience of processing, the reflecting layer 1 is firstly made into a flat plate material and cut according to the size of a part in equipment to be installed; the absorption layer 2 is formed by combining two-component sound absorption cotton, the absorption layer 2 is fixedly bonded with the reflection layer 1, and the absorption layer 2 can be bonded before or after the reflection layer 1 is shaped and cut; the square box body or the five-direction box body or the six-direction box body is assembled (in the application, the six-direction box body is a fully sealed box body, the six directions are reserved in the upper direction, the lower direction, the front direction, the rear direction, the left direction and the right direction, and the five-direction box body is a box body structure with one direction side wall missing). When the noise reduction device is used, the noise source parts are firstly installed and fixed, and then the noise reduction shell is covered by the opening of the reflecting layer 1 and fixed.
As an alternative embodiment of the present invention, the noise reduction case further includes a secondary case 3;
the box body enclosed by the reflecting layer 1 is a semi-sealed structure, the opening on the reflecting layer 1 is shielded by the secondary shell 3, the secondary shell 3 is detachably connected with the reflecting layer 1, so that a sealed space is formed inside the reflecting layer 1, the noise sound wave scattering amount is lower than that of the semi-sealed space, and most of the energy of the sound wave is always in a reciprocating reflection state before being consumed by the absorbing layer 2 in the sealed space.
As an optional embodiment of the present invention, the secondary housing 3 is a box structure, and the secondary housing 3 covers the reflective layer 1;
the inner space of the secondary shell 3 is larger than the space coated by the reflecting layer 1, and other parts with lower noise in the equipment to be installed are arranged in the secondary shell 3 and outside the reflecting layer 1.
In the equipment to be installed, other parts connected with the noise source parts can vibrate correspondingly to generate noise in the working process of the noise source parts; on one hand, the secondary shell 3 prevents low noise diffusion generated by such parts, on the other hand, the secondary shell 3 is a secondary noise reduction measure of noise source parts, further prevents noise source parts from diffusing out of the reflection layer 1, enhances the noise reduction performance of the whole noise reduction shell, and in addition, when the reflection layer 1 is damaged, the secondary shell 3 can still maintain the relatively better performance of the noise reduction shell.
As an optional embodiment of the present invention, the secondary housing 3 is provided with a detachable sealing cover 31, a sealing strip 32 is provided at a joint of the sealing cover 31 and the secondary housing 3, and the sealing strip 32 is a sponge.
On one hand, a gap is often formed at the lap joint of the two rigid parts, under the vibration condition, the part with weak connection can vibrate and displace in the gap space, and further impact abnormal sound occurs, and the sealing strip 32 has the effect that the gap between the cover plate and the shell can be filled, so that the impact abnormal sound is avoided; on the other hand, the existence of the sealing strip 32 fills up a tiny gap between the cover plate and the shell, so that the noise leakage can be effectively reduced, and the purpose of reducing the noise is achieved.
The sealing strips 32 are not limited to be arranged at the lap joint of the sealing cover 31 and the secondary shell 3 as optimized auxiliary accessories, and can also be used between the reflecting layer 1 and the equipment to be installed, between the reflecting layer 1 and the secondary shell 3, between the secondary shell 3 and the equipment to be installed, and the like.
As an optional embodiment of the present invention, a noise reduction plate 5 is further disposed on the inner side of the secondary shell 3, and the noise reduction plate 5 is disposed on the inner side of the secondary shell 3 and detachably connected to the secondary shell 3; the noise reduction plate 5 comprises a mounting plate 51 and an acoustic board 52, and the noise reduction plate 5 is fixedly bonded with the acoustic board 52.
Mounting panel 51's area is greater than acoustic panel 52, acoustic panel 52 bonds mounting panel 51 central zone has pasted the acoustic panel 52 back leave the reservation limit around mounting panel 51, mounting panel 51 equals with the size of the corresponding lateral wall of the second grade casing 3 of treating the installation, and the wall body thickness size of reservation limit and second grade casing 3 equals, will fall board 5 subsides of making an uproar before second grade casing 3 assembles and apply on the corresponding lateral wall of second grade casing 3, carries out that second grade casing 3 equipment is fixed to falling board 5 completion of making an uproar simultaneously and fixes.
In an alternative embodiment of the present invention, the mounting plate 51 is a rigid plate coated with an aluminum foil or a sealing tape, the sound-absorbing plate 52 is a sound-absorbing cotton, and the sound-absorbing cotton has a double-layer structure.
The mounting plate 51 is coated with aluminum foil or sealing adhesive tape, so that the noise transmitted from inside to outside can be blocked, the noise is reflected continuously in the internal cavity, and the purpose of reducing the noise is achieved by increasing the transmission path and continuously dissipating the noise energy. The double-component sound-absorbing cotton is provided with uniform micro holes inside, and can cause air vibration when noise is transmitted, so that when the noise is transmitted to the double-component sound-absorbing cotton, air vibration in the micro holes inside the sound-absorbing cotton can be caused, the air vibration can be mutually rubbed with surrounding component fibers to generate heat energy, and then the vibration energy of the noise can be effectively converted into the heat energy, so that the dissipation of the noise energy is completed, and the noise is reduced.
A water purifier comprises the noise reduction shell, wherein a booster pump of the water purifier is arranged in the reflecting layer 1.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that the following embodiments are merely illustrative of the present invention, and not restrictive, and the scope of the present invention is not limited thereto: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A noise-reducing casing, characterized by comprising a reflecting layer (1) and an absorbing layer (2);
the reflection layer (1) reflects sound waves in a reflection path, the reflection layer (1) is of a box body structure, an opening is formed in a box body formed by the reflection layer (1), and noise source parts can freely enter the box body formed by the reflection layer (1) through the opening;
the absorbing layer (2) absorbs sound wave energy, and the absorbing layer (2) is arranged on one side, close to the noise source part, of the reflecting layer (1).
2. Noise reduction housing according to claim 1, characterized in that the casing of the reflecting layer (1) is enveloping the noise source element in a plurality of orientations in space.
3. The noise-reduction casing according to claim 1, further comprising a secondary casing (3);
the box that closes is enclosed in reflection stratum (1) is half seal structure, second grade casing (3) are right opening on the reflection stratum (1) shelters from, second grade casing (3) with connection can be dismantled in reflection stratum (1), make reflection stratum (1) inside form with confined space.
4. The noise reduction case according to claim 3, wherein the secondary case (3) is a box structure, and the secondary case (3) covers the reflective layer (1);
the inner space of the secondary shell (3) is larger than the space coated by the reflecting layer (1), and other parts with lower noise in the equipment to be installed are arranged outside the reflecting layer (1) of the secondary shell (3).
5. A noise-reducing casing according to claim 3, characterized in that the secondary casing (3) is provided with a detachable cover (31), and that the cover (31) overlaps the secondary casing (3) with a sealing strip (32).
6. The noise-reducing casing according to claim 5, wherein the sealing strip (32) is a sponge.
7. The noise reduction shell according to claim 3, wherein a noise reduction plate (5) is further arranged on the inner side of the secondary shell (3), and the noise reduction plate (5) is arranged on the inner side of the secondary shell (3) and is detachably connected with the secondary shell (3).
8. Noise reduction housing according to claim 7, wherein the noise reduction plate (5) comprises a mounting plate (51) and a sound-absorbing plate (52), the noise reduction plate (5) being fixedly bonded to the sound-absorbing plate (52).
9. The noise-reduction case according to claim 8, wherein the mounting plate (51) is a rigid plate coated with aluminum foil on the surface, the sound-absorbing plate (52) is sound-absorbing cotton, and the sound-absorbing cotton is a double-layer structure.
10. A water purification machine comprising a noise reduction housing according to any one of claims 1 to 9.
CN202123456625.3U 2021-12-31 2021-12-31 Noise reduction shell and purifier thereof Active CN217008638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123456625.3U CN217008638U (en) 2021-12-31 2021-12-31 Noise reduction shell and purifier thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123456625.3U CN217008638U (en) 2021-12-31 2021-12-31 Noise reduction shell and purifier thereof

Publications (1)

Publication Number Publication Date
CN217008638U true CN217008638U (en) 2022-07-19

Family

ID=82389680

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123456625.3U Active CN217008638U (en) 2021-12-31 2021-12-31 Noise reduction shell and purifier thereof

Country Status (1)

Country Link
CN (1) CN217008638U (en)

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