CN109896557A - Water purifier - Google Patents

Water purifier Download PDF

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Publication number
CN109896557A
CN109896557A CN201711288392.6A CN201711288392A CN109896557A CN 109896557 A CN109896557 A CN 109896557A CN 201711288392 A CN201711288392 A CN 201711288392A CN 109896557 A CN109896557 A CN 109896557A
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CN
China
Prior art keywords
sound absorbing
absorbing structure
porous sound
hollow cylinder
water purifier
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Granted
Application number
CN201711288392.6A
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Chinese (zh)
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CN109896557B (en
Inventor
张肃
李忠华
李清
孔小斌
王也
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Midea Group Co Ltd
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Midea Group Co Ltd
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Priority to CN201711288392.6A priority Critical patent/CN109896557B/en
Publication of CN109896557A publication Critical patent/CN109896557A/en
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Abstract

Present invention discloses a kind of water purifiers.The water purifier includes shell, filter assemblies and porous sound absorbing structure.Filter assemblies are located in shell, which includes water pump and filter core.Porous sound absorbing structure is formed on an interior surface of the housing, and the hole of porous sound absorbing structure is open towards enclosure interior.The porous sound absorbing structure of the water purifier have the characteristics that durability degree is good, do not allow it is easy to aging it is damaged, sound-absorbing effect is good.

Description

Water purifier
Technical field
The present invention relates to field of household appliances, in particular to a kind of water purifier.
Background technique
With the performance boost of big flux water purifier, high revolving speed high powered water pump starts to be applied in water purifier, but its band Carry out huge noise, seriously affects user experience.Water pump is easy the situation in tap water pipe network hydraulic pressure deficiency in itself operating Under, suction part air, air is easy under the action of Pressure Fluctuation in Pump and water generates cavitation phenomenon, is i.e. high-velocity fluid rushes Swash friction, causes air bubble to generate and rupture repeatedly, the noise of induction.Often frequency is higher for this kind of noise, no evident regularity, Belong to broadband noise (i.e. the noise frequency range that includes is wider, generally in the frequency range of 1000-3000Hz).
For the BROADBAND NOISE of water purifier, acoustical cotton is traditionally mainly used, acoustical cotton directly sticks water purifier inner cavity table Face can reduce BROADBAND NOISE to a certain extent, reduce the acoustical power of entire water purifier.But acoustical cotton durability degree is poor, is easy Aging is damaged, sound-absorbing effect decline.
Summary of the invention
In order to solve the acoustical cotton that water pump generates huge noise during the work time and traditional technology uses, there are durability degrees Difference is easy the problem of damaged aging, sound-absorbing effect decline, and the present invention provides a kind of water purifiers.
The present invention provides a kind of water purifier, comprising:
Shell;
Filter assemblies are arranged in the shell, and the filter assemblies include filter core and water pump;
Porous sound absorbing structure is formed on the inner surface of the shell, the hole opening direction of the porous sound absorbing structure The enclosure interior.
Further, the porous sound absorbing structure and the shell are integrally formed.
Further, the shell includes main casing and for closing the cover board on the main casing, the porous sound absorbing knot It is configured to the inner surface in the main casing, and close to the water pump.
Further, the porous sound absorbing structure is formed on the inner surface of the cover board.
Further, the porous sound absorbing structure includes multiple compact arranged hollow cylinders, the bottom end of the hollow cylinder It is fixed on the housing, the open end of the hollow cylinder towards the inside of the shell, the inside of multiple hollow cylinders Chamber constitutes multiple holes of the porous sound absorbing structure.
Further, the height of the porous sound absorbing structure is continuously reduced along the length direction of the porous sound absorbing structure.
Further, multiple hollow cylinders are embarked on journey arrayed in columns on the housing, positioned at the height of the hollow cylinder of same a line Spend identical, the height positioned at the hollow cylinder of same row is gradually successively decreased, so that the upper surface of the porous sound absorbing structure is inclined-plane Or arcwall face.
Further, the porous sound absorbing structure is honeycomb, and the hollow cylinder is regular hexagon hollow cylinder.
Further, the hollow cylinder is circular hollow cylinder, rectangle hollow cylinder or diamond shape hollow cylinder.
Further, the porous sound absorbing structure is bonded on the housing by way of bonding.
The technical solution that the embodiment of the present invention provides can include the following benefits:
Water purifier of the invention includes shell, filter assemblies and porous sound absorbing structure.Filter assemblies are located in shell, the mistake Filtering component includes water pump and filter core.Porous sound absorbing structure is formed on an interior surface of the housing, and the hole of porous sound absorbing structure It is open towards enclosure interior.Porous sound absorbing structure with sound-absorbing effect is utilized the porous sound absorbing on water purifier by the present invention The durability degree of structure is good, does not allow breakage easy to aging;The hole of the porous sound absorbing structure is open towards enclosure interior, makes the porous sound absorbing Structure being capable of noise inside good absorption water purifier;The porous sound absorbing structure is formed on an interior surface of the housing, convenient for being somebody's turn to do The installation of porous sound absorbing structure, reduce porous sound absorbing structure in the intracorporal occupied space of shell, decrease porous sound absorbing structure The chance interfered with other assemblies in shell (for example, filter assemblies or valve member).
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited Invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention Example, and in specification together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram of water purifier of the invention in one embodiment.
Fig. 2 is that the porous sound absorbing structure of water purifier of the present invention in one embodiment forms main view on the cover board.
Fig. 3 is that the porous sound absorbing structure of water purifier of the present invention in one embodiment forms side view on the cover board.
The porous sound absorbing structure of Fig. 4 water purifier of the present invention in another embodiment forms main view on the cover board.
The porous sound absorbing structure of Fig. 5 water purifier of the present invention in another embodiment forms side view on the cover board.
Fig. 6 is that the porous sound absorbing structure of water purifier of the present invention in another embodiment is formed in the master on main casing and cover board View.
Specific embodiment
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed It describes in detail bright.
As previously mentioned, causing water purifier to generate huge because high revolving speed high powered water pump is applied in the water purifier of big flux Noise, and conventionally employed absorbing sound and lowering noise sponge durability degree is poor, and it is damaged to be easy aging, sound-absorbing effect decline, in response to this problem, The present invention proposes that a kind of durability degree is good, does not allow water purifier damaged, sound-absorbing effect is good easy to aging.
Water purifier of the invention includes shell, filter assemblies and porous sound absorbing structure.Filter assemblies are located in shell, the mistake Filtering component includes water pump and filter core.Porous sound absorbing structure is formed on an interior surface of the housing, and the hole of porous sound absorbing structure Towards enclosure interior, the interior noise issued of shell enters in the hole of the porous sound absorbing structure opening, and is reflected repeatedly in hole And absorption.Most of noise is absorbed or is stopped by porous sound absorbing structure, reduces pollution of the noise to external environment.The present invention Porous sound absorbing structure with sound-absorbing effect is utilized on water purifier, the porous sound absorbing structure is with durability degree is good, is not easy The porous sound absorbing structure is formed on an interior surface of the housing, is convenient for the porous sound absorbing by the feature that aging is damaged, sound-absorbing effect is good The installation of structure, reduce porous sound absorbing structure in the intracorporal occupied space of shell, decrease in porous sound absorbing structure and shell The chance that other assemblies (for example, filter assemblies or valve member) interfere.
In one embodiment, as shown in FIG. 1, FIG. 1 is the structural representations of water purifier of the invention in one embodiment Figure.Water purifier 10 of the invention includes shell 11, filter assemblies, valve component and the porous sound absorbing structure being formed on shell 11 12。
Shell 11 includes main casing 111 and cover board 112.Cover board 112 is detachably connected with main casing 111, in order to open The filter core of the replacement filter assemblies of cover board 112.Under normal conditions, cover board 112 is covered on main casing 111, to form one Closed shell 11.
The components such as filter assemblies and valve component are installed in main casing 111.The filter assemblies include filter core and water Pump.Filter core may include prefilter filter core, secondary filter filter core and postposition filter core.Prefilter filter core can be PP cotton filter element, aluminium oxide filter core or active carbon filter core.The prefilter filter core is mainly used for filtering out the granule foreign etc. in water.Essence Close filter core can be reverse osmosis filter core (i.e. RO film, Reverse Osmosis), and the reverse osmosis filter core is for filtering out in water Macromolecular substances, bacterium, virus, heavy metal etc..Postposition filter core can be active carbon filter core ultrafiltration composite filter element, be used for The peculiar smell in water is filtered out, the taste of water is improved.
Water pump can be set in the water inlet of reverse osmosis filter core, for increasing the pressure of water, is greater than the pressure of water and seeps The pressure pressed thoroughly, can pass through reverse osmosis filter core (the aperture very little of reverse osmosis filter core is probably the one of hairline in aperture Hundred a ten thousandths (0.0001 micron)).In addition, in other embodiments, prefilter filter core can also be arranged in water pump Water inlet improves the water flux of water purifier for increasing intake pressure.In addition, in other embodiments, water pump can also be used in Adjust the water flow of water purifier.It is appreciated that one or more water pump can be set in main casing 11, to realize not The demand of congenerous.As previously mentioned, water pump is in the insufficient situation of tap water pipe network hydraulic pressure, suction part air, air is in water It under the action of pump pressure fluctuation, is easy and water generates cavitation phenomenon, and generate noise.It is had additional in water purifier of the invention porous Sound-absorbing structure, for absorbing the noise of water pump generation.
Specifically, in conjunction with shown in Fig. 2 and Fig. 3, Fig. 2 is the porous sound absorbing structure shape of water purifier of the present invention in one embodiment At main view on the cover board, Fig. 3 is that the porous sound absorbing structure of water purifier of the present invention in one embodiment is formed on the cover board Side view.Porous sound absorbing structure 12 is formed in the inner surface of cover board 112, and the porous sound absorbing structure 12 with the cover board 112 by moulding Expect integrated injection molding.The porous sound absorbing structure 12 includes multiple compact arranged hollow cylinders 121, the bottom of hollow cylinder 121 End is fixed on cover board 112, and the open end at top is towards the inside of shell 11.The inside of hollow cylinder 121 forms and passes through from top It wears to the chamber of bottom.Multiple chambers form multiple holes that porous sound absorbing structure 12 is used to absorb noise.
As shown in Fig. 2, the porous sound absorbing structure 12 is honeycomb, i.e., porous sound absorbing structure 12 includes multiple close-packed arrays Hollow cylinder 121, each hollow cylinder is that (section of i.e. each hollow cylinder 121 is positive six sides regular hexagon hollow cylinder Shape), each face of those regular hexagon hollow cylinders and adjacent regular hexagon hollow cylinder share, so that each regular hexagon is empty It is closely coupled between stem body, gap may be not present, so that more positive six can be laid in identical cover area Shape hollow cylinder forms more holes, enhances sound-absorbing effect.
In other embodiments, the cross sectional shape of hollow cylinder 121 can also be circle, rectangle, diamond shape or other shapes, I.e. hollow cylinder can be circular hollow cylinder, rectangle hollow cylinder or diamond shape hollow cylinder.
The principle of 12 sound-absorbing of porous sound absorbing structure is as follows:
The noise that water pump generates enters in porous sound absorbing structure 12 in the chamber of hollow cylinder 121, noise sound wave excitation cavity The vibration of room air molecule, and rub with the inner wall of hollow cylinder 121 or edge, a part of sound can be converted into thermal energy And be absorbed, another part sound is reflected back after capable of encountering inner wall, and reflected sound wave is again introduced into hollow cylinder 121 In chamber, rubs with the inner wall or edge of hollow cylinder 121, convert acoustic energy into thermal energy, repeatedly, reach sound-absorbing Effect.
In addition, the porous sound absorbing structure 12 can also effectively absorb the deformation energy for vibrating and being converted to itself, then pass through The recovery slow release of deformation so achievees the purpose that reduce vibration.
As shown in Fig. 2, the hollow cylinder 121 of porous sound absorbing structure 12 is covered with the inner surface of cover board 112 in addition to marginal zone. The height of the part hollow cylinder 121 of porous sound absorbing structure 12 is identical, and the height of part hollow cylinder 121 is different.More preferably, more The height of hole sound-absorbing structure 12 is continuously reduced along its length, is widened 12 sound-absorbing frequency band of porous sound absorbing structure, is made porous sound absorbing Structure 12 can absorb the noise of more different frequencies.Specifically, length direction of multiple hollow cylinders 121 along cover board 112 It is uniformly distributed with width direction, multiple hollow cylinders 121 are embarked on journey arrayed in columns on cover board 112, positioned at the open tubular column of same a line The height of body 121 is identical, and the height positioned at the hollow cylinder 121 of same row is gradually successively decreased, so that porous sound absorbing structure 12 is upper Surface is an inclined surface.
In Fig. 2,121 arrangement in a row of hollow cylinder refers to: hollow cylinder 121 is arranged along the width direction of cover board 112, empty 121 arrangement in a row of stem body refers to: hollow cylinder 121 is arranged along the length direction of cover board 112.
The noise of different frequency can be absorbed in the height of different hollow cylinders 121, and therefore, the height of hollow cylinder 121 is in Decreasing fashion distribution, can be absorbed the noise of a variety of different frequencies, the frequency that porous sound absorbing structure 12 can absorb in the present invention Band is 1000-3000Hz.
The height of hollow cylinder 121 can be calculated according to the frequency of noise, and calculation formula is as follows:
F=c/2l;
C is the velocity of sound in air, and l is the height of hollow cylinder, and f is absorbed noise frequency.
Therefore, noise frequency is lower (i.e. wave length of sound is longer), and the height of hollow cylinder 121 is also designed higher.But it reflects Limited in the inner space of the shell 11 of water purifier, the length of hollow cylinder 121 is also unsuitable too long.Correspondingly, to adapt to shell 11 space, by 121 height of hollow cylinder being figured out according to the formula can same diminution according to a certain percentage, with can be by porous sound absorbing Structure 12 is mounted in the confined space in shell 11.
In the present embodiment, the hollow cylinder 121 of porous sound absorbing structure 12 is gradually passed along 112 length direction height of cover board Subtract, so that the upper surface of porous sound absorbing structure 12 is in an inclined surface, but it is not limited to this, the upper surface of the porous sound absorbing structure 12 It can also be in an arc.Specifically, as shown in Figure 4 and Figure 5, the porous sound absorbing knot of Fig. 4 water purifier of the present invention in another embodiment It is configured to main view on the cover board, the porous sound absorbing structure of Fig. 5 water purifier of the present invention in another embodiment is formed in cover board On side view.The height of the hollow cylinder 221 of porous sound absorbing structure 22 is gradually successively decreased along the length direction of cover board 212, so that The upper surface of porous sound absorbing structure 22 is in an arcwall face.Porous sound absorbing structure 22 upper surface setting arcwall face purpose be, Absorb the noise of Continuous Band.
In other embodiments, the upper surface of porous sound absorbing structure can also be stepped, so that porous sound absorbing structure Height is successively decreased in step.
In another embodiment, as shown in fig. 6, it is the porous sound absorbing structure of water purifier of the present invention in another embodiment The main view being formed on main casing and cover board.The water purifier structure substantially phase of the water purifier of the present embodiment and above-described embodiment Together, the difference is that, the water purifier of the present embodiment is also equipped with porous sound absorbing structure in main casing.
Specifically, the water purifier 30 of the present embodiment includes shell 31, porous sound absorbing structure 32, the shape being formed on shell 31 At the filter assemblies 33 and valve component 34 in shell 31.The filter assemblies 33 include filter core 331 and water pump 332.
Shell 31 includes main casing 311 and cover board 312.Cover board 312 is detachably connected with main casing 311, in order to open Cover board 312 replaces filter core 331.Cover board 312 is covered on one closed shell 31 of formation on main casing 311.
The inner surface of cover board 312 and the inner surface of main casing 311 are each formed with porous sound absorbing structure 32.The porous sound absorbing Structure 32 is identical as 12 planform of porous sound absorbing structure, the function on the cover board 312 of above-described embodiment.On main casing 311 Porous sound absorbing structure 32 is arranged close to water pump 332, and its hole opening makes porous sound absorbing structure 32 as far as possible towards water pump 332 More absorption noises.The hole of porous sound absorbing structure 32 on cover board 312 is open towards the inside of shell 31.
The manufacture material of porous sound absorbing structure 32 can be identical as the manufacture material of shell 31, the porous sound absorbing on cover board 312 Structure 32 and cover board 312 can integrated injection molding, porous sound absorbing structure 32 and 311 integrated injection molding of main casing on main casing 311 Molding.In this way, the installation and molding of porous sound absorbing structure 32 are very convenient.
Porous sound absorbing structure 32 includes the hollow body 321 that multiple height do not wait.Specifically, 311 inner surface of main casing The hollow cylinder 321 of porous sound absorbing structure 32 is embarked on journey arrayed in columns on the inner surface of main casing 311, positioned at the hollow of same a line The height of cylinder 321 is identical, and the height positioned at the hollow cylinder 321 of same row is gradually successively decreased, so that porous sound absorbing structure 32 Upper surface is an arcwall face or inclined surface;The hollow cylinder 321 of the porous sound absorbing structure 32 of 312 inner surface of cover board is in cover board 312 Inner surface on embark on journey arrayed in columns, it is identical positioned at the height of hollow cylinder 321 with a line, positioned at the hollow cylinder of same row 321 height is gradually successively decreased, and upper surface arcwall face or the inclined surface of the porous sound absorbing structure 32 are made.
In the present embodiment, the inner surface of the inside of main casing 311 and cover board 312 is respectively provided with porous sound absorbing structure 32, into One step enhances the sound-absorbing effect of water purifier 30, reduces pollution of the noise to external environment.Through test measurement, this programme at least may be used Reach the noise reduction effect of 2dB.
In the present embodiment, porous sound absorbing structure 32 is formed in the inner surface of cover board 312 and main casing 311, in other realities It applies in example, porous sound absorbing structure can also be made only in the inner surface of main casing, and at the position of water pump.
It is appreciated that in other embodiments, porous sound absorbing structure also may be formed at other vacant positions of shell, protect Card is not interfered with the intracorporal other assemblies of shell.
In the aforementioned embodiment, porous sound absorbing structure and shell are integrally formed, but in other embodiments, porous sound absorbing knot Structure can also be separately formed, for example, the paper material that hard can be used in the porous sound absorbing structure is made, which can pass through Glue is bonded on shell, for example, bonding is on the cover board and/or the inside of main casing.
The above is only preferable possible embodiments of the invention, not limit the scope of the invention, all with the present invention The variation of equivalent structure made by specification and accompanying drawing content, is included within the scope of protection of the present invention.

Claims (10)

1. a kind of water purifier characterized by comprising
Shell;
Filter assemblies are arranged in the shell, and the filter assemblies include filter core and water pump;
Porous sound absorbing structure is formed on the inner surface of the shell, and the hole opening of the porous sound absorbing structure is described in Enclosure interior.
2. water purifier according to claim 1, which is characterized in that the porous sound absorbing structure and shell one at Type.
3. water purifier according to claim 2, which is characterized in that the shell includes main casing and for closing the master Cover board on shell, the porous sound absorbing structure are formed in the inner surface of the main casing, and close to the water pump.
4. water purifier according to claim 1 or 2 or 3, which is characterized in that the porous sound absorbing structure is formed in the lid On the inner surface of plate.
5. water purifier according to claim 1, which is characterized in that the porous sound absorbing structure includes multiple compact arranged Hollow cylinder, the bottom end of the hollow cylinder is fixed on the housing, and the open end of the hollow cylinder is towards the shell Inside, the chamber of the inside of multiple hollow cylinders constitutes multiple holes of the porous sound absorbing structure.
6. water purifier according to claim 5, which is characterized in that the height of the porous sound absorbing structure is along the porous suction The length direction of sound structure is continuously reduced.
7. water purifier according to claim 5, which is characterized in that multiple hollow cylinders are embarked on journey on the housing to be arranged in column Column, the height positioned at the hollow cylinder with a line is identical, and the height positioned at the hollow cylinder of same row is gradually successively decreased, so that described The upper surface of porous sound absorbing structure is inclined-plane or arcwall face.
8. according to water purifier described in claim 5 or 6 or 7, which is characterized in that the porous sound absorbing structure is honeycomb, The hollow cylinder is regular hexagon hollow cylinder.
9. according to water purifier described in claim 5 or 6 or 7, which is characterized in that the hollow cylinder be circular hollow cylinder, Rectangle hollow cylinder or diamond shape hollow cylinder.
10. water purifier according to claim 1, which is characterized in that the porous sound absorbing structure is glued by way of bonding Knot is on the housing.
CN201711288392.6A 2017-12-07 2017-12-07 Water purifier Active CN109896557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711288392.6A CN109896557B (en) 2017-12-07 2017-12-07 Water purifier

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Application Number Priority Date Filing Date Title
CN201711288392.6A CN109896557B (en) 2017-12-07 2017-12-07 Water purifier

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CN109896557A true CN109896557A (en) 2019-06-18
CN109896557B CN109896557B (en) 2022-01-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92342B (en) * 1992-06-08 1994-07-15 Rautaruukki Oy noise Fence
CN1445751A (en) * 2003-01-04 2003-10-01 裕一挨恩西斯株式会社 Acoustic board
CN105023567A (en) * 2015-07-06 2015-11-04 珠海格力电器股份有限公司 Resonant silencer
CN105180562A (en) * 2015-08-21 2015-12-23 合肥美的电冰箱有限公司 Refrigerator and wind way plate thereof
CN105489214A (en) * 2016-01-06 2016-04-13 佛山市美的清湖净水设备有限公司 Water purifier and noise reduction method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92342B (en) * 1992-06-08 1994-07-15 Rautaruukki Oy noise Fence
CN1445751A (en) * 2003-01-04 2003-10-01 裕一挨恩西斯株式会社 Acoustic board
CN105023567A (en) * 2015-07-06 2015-11-04 珠海格力电器股份有限公司 Resonant silencer
CN105180562A (en) * 2015-08-21 2015-12-23 合肥美的电冰箱有限公司 Refrigerator and wind way plate thereof
CN105489214A (en) * 2016-01-06 2016-04-13 佛山市美的清湖净水设备有限公司 Water purifier and noise reduction method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王春堂等: "《水泵和水泵站》", 30 June 2011, 黄河水利出版社 *

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