CN106988085A - A kind of noise reduction system of washing machine, noise-reduction method and washing machine - Google Patents
A kind of noise reduction system of washing machine, noise-reduction method and washing machine Download PDFInfo
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- CN106988085A CN106988085A CN201710278830.4A CN201710278830A CN106988085A CN 106988085 A CN106988085 A CN 106988085A CN 201710278830 A CN201710278830 A CN 201710278830A CN 106988085 A CN106988085 A CN 106988085A
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- 238000005406 washing Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 27
- 208000005156 Dehydration Diseases 0.000 abstract description 7
- 230000018044 dehydration Effects 0.000 abstract description 7
- 238000006297 dehydration reaction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of noise reduction system of washing machine, noise-reduction method and washing machine, the noise reduction system of the washing machine includes noise gathering module；Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；Noise cancellation module：Include the long tube of at least one adjustable length, eliminate the noise of main noise contribution；And control module：Adjust the length of long tube.The noise reduction system accurately eliminates the noise of the different frequency played a major role, and particularly in the laundry machine dehydration stage, noise reduction is obvious；Noise is not reduced by changing the existing operation of washing machine；Noise reduction system is difficult to be blocked to reduce noise reduction, and noise reduction is obvious；Overall structure is simple, and reliability is high, convenient operating maintenance.
Description
Technical field
The present invention relates to a kind of noise reduction system of washing machine, noise-reduction method and washing machine, specifically, it is related to a kind of elimination
Noise reduction system, noise-reduction method and the washing machine with the system of noise when washing machine is run.
Background technology
Most of washing machine bottoms are open, in laundry machine dehydration running, and what washing machine internal was produced makes an uproar
Thus sound can outwards be propagated, and these noises are formed by stacking by different frequency noise, and the noise of some of which frequency is to washing
Clothing machine noise plays main influence, and reduces after the noise contribution of these frequencies, can effectively reduce making an uproar for laundry machine dehydration stage
Sound, effectively raises product quality and Consumer's Experience.
The Chinese patent of Application No. 201410395520.7 discloses a kind of impeller-type laundry with sensor noise
Machine and its noise monitoring method, by the way that monitor value are compared with pre-set limit, reduction of speed are carried out to washing machine or adjustment is eccentric
Processing.Although the method can effectively reduce noise, itself operation simultaneously for washing machine also result in influence, may
Cause not wash clean, be dehydrated it is not thorough, or cause to wash, rinse, the lengthening of dewatering time, poor user experience.
Application No. 201610494839.X Chinese patent discloses a kind of casing for washing machine and with it
Washing machine, the washing machine with special casing, the casing for washing machine includes：First casing and the second casing, it is described
Second casing is located at the inner side of first casing, and Helmholtz is limited between second casing and first casing and is total to
Shaken chamber, and the multiple Helmholtz's through holes communicated with the helmholtz resonance chamber are formed with second casing.By using
The second casing and helmholtz resonance chamber with Helmholtz's through hole can form helmholtz resonance sound absorption structure, so as to reach
To the purpose of sqouynd absorption lowering noise.The structure is more complicated, and the requirement to product is also very high, the dimension precision requirement of Helmholtz's through hole
Height, is difficult to reach and is easily blocked by debris and influence the effect of sqouynd absorption lowering noise, safeguards again very inconvenient, meanwhile, different washes
The frequency noise of clothing machine generation is simultaneously differed, and corresponding helmholtz resonance sound absorption structure is also just different, bad adaptability.
Noise when being run currently for washing machine, noise when being particularly dehydrated also is filled without simple and effective noise reduction
Put.
In view of this it is special to propose the present invention.
The content of the invention
When the technical problem to be solved in the present invention is to overcome the deficiencies in the prior art eliminate washing machine operation there is provided one kind
Noise noise reduction system, noise-reduction method and the washing machine with the system.
In order to solve the above technical problems, the present invention is using the basic conception of technical scheme：A kind of noise reduction system of washing machine
System, including
Noise gathering module；
Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；
Noise cancellation module：Include the long tube of at least one adjustable length, eliminate the noise of main noise contribution；
And control module：Adjust the length of long tube.
Further, the long tube of the noise cancellation module be one end close tubular structure, another end opening and with institute
Noise treatment module is stated to be connected.
Control module regulation long tube length be a main noise wave length of sound a quarter, the main noise sound wave from
The open at one end of long tube enters long tube, and the blind end to long tube is reflected, and is offset in long tube.
The long tube at least includes the size difference of two suits but the pipe of form fit, by adjusting at least one pipe
Position adjusts overall pipe range；Or the long tube be length on can elastic telescopic pipe.
Further, the control module includes controlled motor and transmission device, and the transmission device connects with the long tube
Connect, the controlled motor controls the length of the transmission device regulation long tube, it is preferred that the transmission device is loading drive gear
Put.
The noise cancellation module and control module are arranged on the box inside of washing machine, it is preferred that the noise is eliminated
Module and control module are arranged on the box inside immediately ahead of washing machine.
Different azimuth of at least two groups noise cancellation modules on the inside of casing of washing machine, every group of noise cancellation module bag are set
Include at least one long tube.
The noise gathering module is arranged in casing of washing machine, is set close to noise source, it is preferred that the noise gathering
Module is arranged on washing machine base frame.
The noise-reduction method of the noise reduction system comprises the following steps：
(1) noise gathering module is acquired to the noise produced in washing machine running；
(2) noise signal that noise treatment module is gathered to noise gathering module is handled, and obtains at least one main
The frequency of noise contribution simultaneously obtains its wavelength；
(3) information that control module is gathered according to noise treatment module, each long length of tube one of control noise cancellation module
One correspondence is adjusted to a quarter of each main noise wavelength, eliminates main noise.
The present invention also proposes a kind of washing machine, including a kind of noise reduction system of washing machine.The noise reduction system of the washing machine
Including：Noise gathering module；Noise treatment module：The noise signal of collection is handled, the contribution of at least one main noise is obtained
Frequency；Noise cancellation module：Include the long tube of at least one adjustable length, eliminate the noise of main noise contribution；And control
Module：Adjust the length of long tube.
The long tube of the noise cancellation module be one end close tubular structure, another end opening and with the noise treatment
Module is connected.The length of control module regulation long tube is a quarter of a main noise wave length of sound, the main noise sound wave
Enter long tube from the open at one end of long tube, the blind end to long tube is reflected, offset in long tube.The long tube at least includes
The size difference of two suits but the pipe of form fit, overall pipe range is adjusted by adjusting the position of at least one pipe；Or
The long tube be length on can elastic telescopic pipe.The control module includes controlled motor and transmission device, the transmission dress
Put and be connected with the long tube, the controlled motor controls the length of the transmission device regulation long tube, it is preferred that the transmission dress
It is set to gear drive.The noise cancellation module and control module are arranged on the box inside of washing machine.Set at least two
Different azimuth of the group noise cancellation module on the inside of casing of washing machine, every group of noise cancellation module includes at least one long tube.Institute
State noise gathering module to be arranged in casing of washing machine, set close to noise source, it is preferred that the noise gathering module is arranged on
Washing machine base frame.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
1st, the noise of the different frequency played a major role is accurately eliminated, particularly in laundry machine dehydration stage, noise reduction
Substantially；
2nd, noise is not reduced by changing the existing operation of washing machine, washing, dehydration had both been ensure that while reduction noise
Deng effect will not increase the time of the operations such as washing, dehydration again；
3rd, noise reduction system is difficult to be blocked to reduce noise reduction, and noise reduction is obvious；
4th, overall structure is simple, and reliability is high, convenient operating maintenance.
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Accompanying drawing is as the part of the present invention, and for providing further understanding of the invention, of the invention is schematic
Embodiment and its illustrate to be used to explain the present invention, but do not constitute inappropriate limitation of the present invention.Obviously, drawings in the following description
Only some embodiments, to those skilled in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the noise reduction system schematic diagram of washing machine of the present invention；
Fig. 2 is noise cancellation module of the present invention and control module schematic diagram.
In figure：1st, washing machine；11st, casing of washing machine；12nd, washing machine base frame；2nd, noise gathering module；3rd, noise eliminates mould
Block；31st, long tube；4th, control module；41st, controlled motor；42nd, transmission device.
It should be noted that these accompanying drawings and word description are not intended as the design model for limiting the present invention in any way
Enclose, but be that those skilled in the art illustrate idea of the invention by reference to specific embodiment.
Embodiment
The embodiment to the present invention is further introduced below in conjunction with the accompanying drawings.As shown in Figure 1-2, the present invention is carried
For a kind of noise reduction system of washing machine 1, noise-reduction method and washing machine 1, the noise reduction system of the washing machine 1 includes：
Noise gathering module 2；
Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；
Noise cancellation module 3：Long tube 31 including at least one adjustable length, eliminates the noise of main noise contribution；
With control module 4：Adjust the length of long tube 31.
The noise reduction system of washing machine 1 of the present invention is applied to most washing machine 1, rotary drum washing machine or roller
Washing machine is all suitable for.Apply also for other machines or occasion for needing to reduce noise.Most of bottoms of washing machine 1 are open
, in the running of washing machine 1, particularly during dehydrating operation, the noise that the inside of washing machine 1 is produced can be thus to unofficial biography
Broadcast, and these noises are formed by stacking by different frequency noise, the noise of some of which frequency rises mainly to the noise of washing machine 1
Influence.Bottom is not that the noise of open washing machine 1 is similarly formed by stacking by different frequency noise, similarly can be with
Noise is effectively reduced with the noise reduction system of the present invention.
In such scheme, the noise gathering module 2 gathers noise, is set close to the source for producing noise；It is described to make an uproar
The noise that sound processing module is collected to noise gathering module 2 is analyzed and handled, and obtains one or more having main noise
The frequency of contribution, and the noise wavelength that the main noise is contributed is obtained by the frequency；The noise cancellation module 3 is included at least
The long tube 31 of a piece adjustable length, the noise of main noise contribution is eliminated using the long tube 31；The basis of control module 4
The length of the wavelength regulation long tube 31 of main noise contribution eliminates the noise.
The long tube 31 of the noise cancellation module 3 be one end close tubular structure, another end opening and with the noise
Processing module is connected.
In such scheme, the openend of the long tube 31 is connected with noise treatment module, and noise is by noise gathering module 2
Enter long tube 31 from the open at one end of long tube 31 after noise treatment resume module after collection, the blind end to long tube 31 is anti-
Penetrate, the sound wave after reflection can cancel out each other under certain condition with original sound wave.
The length of the regulation long tube 31 of control module 4 is a quarter of a main noise wave length of sound, the main noise sound
The open at one end of ripple from long tube 31 enters long tube, and the blind end to long tube 31 is reflected, and is offset in long tube 31.
The long tube 31 at least includes the size difference of two suits but the pipe of form fit, is managed by adjusting at least one
Position adjust overall pipe range；Or the long tube 31 be length on can elastic telescopic pipe.
In such scheme, small-sized tube is sleeved in large scale pipe, the directly mobile big/small size of the control module 4
The position of pipe is provided with screw thread to adjust between pipe range, or large scale pipe and small-sized tube, the control module 4 passes through rotation
The mode of greatly/small-sized tube adjusts pipe range.Or the long tube 31 is bellows；Or the long tube 31 is made up of elastomeric material
The constant pipe of the variable other sizes of length.
The frequency noise that the noise gathering module 2 is contributed according to the main noise collected obtains the wavelength of the noise,
The control module 4 adjusts the pipe range of the long tube 31 of noise cancellation module 3 according to the wavelength, so that pipe range is equal to main noise
The a quarter of the noise wavelength of contribution is so as to eliminate the noise.
The control module 4 includes controlled motor 41 and transmission device 42, and the transmission device 42 connects with the long tube 31
Connect, the controlled motor 41 controls the length of the regulation of transmission device 42 long tube 31, it is preferred that the transmission device 42 is tooth
Wheel transmission device 42.
In such scheme, the transmission device 42 adjusts the length of long tube 31 under the control of controlled motor 41, so that
The length of the long tube 31 is equal to a quarter of the wavelength of the required noise eliminated to effectively eliminate the noise.It is described to pass
During dynamic device 42 can be gear drive 42, belt driver 42 or chain and sprocket driving device 42, the present invention, it is contemplated that empty
Between, precision, the factor safeguarded etc., preferably gear drive 42.
The noise cancellation module 3 and control module 4 are arranged on the box inside of washing machine 1.
In such scheme, for the noise of elimination needed for more effectively eliminating, while for attractive in appearance, the institute of integral product
State noise cancellation module 3 and control module 4 is arranged on the box inside of washing machine 1, it is preferred that the He of noise cancellation module 3
Control module 4 is arranged on the box inside in the front of washing machine 1.
Set at least two groups noise cancellation modules 3 in the different azimuth of the inner side of casing of washing machine 11, every group of noise eliminates mould
Block 3 includes at least one long tube 31.
In such scheme, in order to more effectively thoroughly eliminate the noise of main noise contribution, at least two groups noises are set
Different azimuth of the cancellation module 3 on the inside of casing of washing machine 11, every group of noise cancellation module 3 includes at least one long tube 31；Often
Group noise cancellation module 3 is connected with control module 4 controls it to abate the noise by control module 4, or every group of noise eliminates mould
Block 3 is connected with one group of control module 4, controls it to abate the noise by the control module 4 of its own.
The noise gathering module 2 is arranged in casing of washing machine 11, is set close to noise source, it is preferred that the noise
Acquisition module 2 is arranged on washing machine base frame 12.
In such scheme, in order to more effectively abate the noise, the noise gathering module 2 is arranged on casing of washing machine 11
It is interior, and set close to noise source.Generally, engine of washing machine 1 etc. is arranged at the base frame position in casing, also
To say, noise source near washing machine base frame 12, it is preferred, therefore, that, the noise gathering module 2 is arranged on washing machine base frame
12。
It is preferred that, the noise gathering module 2 includes microphone speaker, and the microphone speaker is arranged on washing machine bottom
On platform 12, noise gathering is carried out so as to more preferable close to noise source.
The noise-reduction method of the noise reduction system comprises the following steps：
(1) noise gathering module 2 is acquired to the noise produced in the running of washing machine 1；
(2) noise signal that noise treatment module is gathered to noise gathering module 2 is handled, and obtains at least one main
The frequency of noise contribution simultaneously obtains its wavelength；
(3) information that control module 4 is gathered according to noise treatment module, each long tube 31 of control noise cancellation module 3 is grown
Degree corresponds a quarter for being adjusted to each main noise wavelength, eliminates main noise.
The present invention also proposes a kind of washing machine 1, includes a kind of noise reduction system of above-described washing machine 1.
Embodiment one
As shown in Figure 1-2, there is provided a kind of noise reduction system of washing machine 1 in the present embodiment, including
Noise gathering module 2；
Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；
Noise cancellation module 3：Long tube 31 including at least one adjustable length, eliminates the noise of main noise contribution；
With control module 4：Adjust the length of long tube 31.
The noise cancellation module 3 includes five long tubes 31, and the noise of main noise contribution is eliminated using long tube 31.
The long tube 31 is the tubular structure that one end is closed, and another end opening and is connected with the noise treatment module；Institute
Length change can be carried out in its longitudinal direction by stating long tube 31.
The length of the regulation long tube 31 of control module 4 is a quarter of a main noise wave length of sound, the main noise sound
The open at one end of ripple from long tube 31 enters long tube, and the blind end to long tube 31 is reflected, and is offset in long tube 31.
The long tube 31 at least includes the size difference of two suits but the pipe of form fit, and small-sized tube is sleeved on big chi
In writing brush, the control module 4 directly moves the position of big/small-sized tube to adjust pipe range, or large scale pipe and small size
Screw thread is provided between pipe, the control module 4 adjusts pipe range by way of rotating big/small-sized tube.
The frequency noise that the noise gathering module 2 is contributed according to the main noise collected obtains the wavelength of the noise,
The control module 4 adjusts the pipe range of long tube 31 according to the wavelength, so that pipe range is equal to the noise wavelength that main noise is contributed
A quarter so as to eliminating the noise.
The control module 4 includes controlled motor 41 and transmission device 42, and the transmission device 42 connects with the long tube 31
Connect, the controlled motor 41 controls the transmission device 42 to adjust the length of long tube 31, and the transmission device 42 is gear drive
Device 42.
The noise cancellation module 3 and control module 4 are arranged on the box inside of washing machine 1.
The noise gathering module 2 includes microphone speaker, and the microphone speaker is arranged on washing machine base frame 12, leaned on
Nearly noise source is set.
The noise-reduction method of the noise reduction system comprises the following steps：
(1) noise that the microphone speaker is produced to being particularly in the running of washing machine 1 in dehydration is carried out
Collection, noise treatment module is passed to by the noise signal of collection；
(2) noise signal that the noise treatment module is gathered to microphone speaker is handled, and obtains at least one
The frequency of main noise contribution simultaneously according to its frequency convert obtaining its wavelength；
(3) noise wavelength contributed according to main noise, the controlled motor 41 drives the control of gear drive 42 to make an uproar
The length of each long tube 31 of sound cancellation module corresponds a quarter for being adjusted to each main noise wavelength, so that it is main to eliminate this
The noise of noise contribution.
Embodiment two
As shown in Figure 1-2, there is provided a kind of noise reduction system of washing machine 1 in the present embodiment, including
Noise gathering module 2；
Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；
Noise cancellation module 3：Long tube 31 including at least one adjustable length, eliminates the noise of main noise contribution；
With control module 4：Adjust the length of long tube 31.
The long tube 31 is the tubular structure that one end is closed, and another end opening and is connected with the noise treatment module；Institute
Length change can be carried out in its longitudinal direction by stating long tube 31.
The length of the regulation long tube 31 of control module 4 is a quarter of a main noise wave length of sound, the main noise sound
The open at one end of ripple from long tube 31 enters long tube, and the blind end to long tube 31 is reflected, and is offset in long tube 31.
The long tube 31 at least includes the size difference of two suits but the pipe of form fit, and small-sized tube is sleeved on big chi
In writing brush, the control module 4 directly moves the position of big/small-sized tube to adjust pipe range, or large scale pipe and small size
Screw thread is provided between pipe, the control module 4 adjusts pipe range by way of rotating big/small-sized tube.
The frequency noise that the noise gathering module 2 is contributed according to the main noise collected obtains the wavelength of the noise,
The control module 4 adjusts the pipe range of long tube 31 according to the wavelength, so that pipe range is equal to the noise wavelength that main noise is contributed
A quarter so as to eliminating the noise.
The control module 4 includes controlled motor 41 and transmission device 42, and the transmission device 42 connects with the long tube 31
Connect, the controlled motor 41 controls the transmission device 42 to adjust the length of long tube 31, and the transmission device 42 is gear drive
Device 42.
Different azimuth of the noise cancellation module 3 on the inside of casing of washing machine 11 at least described in two groups is set, and every group of noise disappears
Except module 3 includes at least one long tube 31.Every group of noise cancellation module 3 is connected with control module 4 controls it by control module 4
Abate the noise.
The noise gathering module 2 is arranged in casing of washing machine 11, is set close to noise source, it is preferred that the noise
Acquisition module 2 is arranged on washing machine base frame 12.
The noise-reduction method of the noise reduction system comprises the following steps：
(1) noise gathering module 2 is acquired to the noise produced in the running of washing machine 1；
(2) noise signal that noise treatment module is gathered to noise gathering module 2 is handled, and obtains at least one main
The frequency of noise contribution simultaneously obtains its wavelength；
(3) information that control module 4 is gathered according to noise treatment module, each long tube 31 of control noise cancellation module 3 is grown
Degree corresponds a quarter for being adjusted to each main noise wavelength, eliminates main noise.
Embodiment three
As shown in Figure 1-2, there is provided a kind of noise reduction system of washing machine 1 in the present embodiment, including
Noise gathering module 2；
Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；
Noise cancellation module 3：Long tube 31 including at least one adjustable length, eliminates the noise of main noise contribution；
With control module 4：Adjust the length of long tube 31.
From unlike embodiment two, setting at least two groups noise cancellation modules 3 in the difference of the inner side of casing of washing machine 11
Orientation, every group of noise cancellation module 3 includes at least one long tube 31.Every group of noise cancellation module 3 and one group of phase of control module 4
Even, it is controlled to abate the noise by the control module 4 of its own.
The long tube 31 is a quarter ripple pipe.
Described above is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompting make it is a little change or be modified to
The equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modification, equivalent variations and modification that above example is made, in the range of still falling within the present invention program.
Claims (10)
1. a kind of noise reduction system of washing machine, it is characterised in that：Including
Noise gathering module；
Noise treatment module：The noise signal of collection is handled, the frequency of at least one main noise contribution is obtained；
Noise cancellation module：Including at least one length-adjustable long tube, the noise of main noise contribution is eliminated；
And control module：Adjust the length of long tube.
2. a kind of noise reduction system of washing machine according to claim 1, it is characterised in that：The length of the noise cancellation module
The tubular structure closed for one end is managed, another end opening and is connected with the noise treatment module.
3. a kind of noise reduction system of washing machine according to claim 2, it is characterised in that：Control module adjusts the length of long tube
Spend for a quarter of a main noise wave length of sound, the main noise sound wave enters long tube from the open at one end of long tube, to long
The blind end of pipe is reflected, and is offset in long tube.
4. a kind of noise reduction system of washing machine according to claim 3, it is characterised in that：The long tube at least includes two
The size difference but the pipe of form fit of suit, overall pipe range is adjusted by adjusting the position of at least one pipe；Or it is described
Long tube be length on can elastic telescopic pipe.
5. a kind of noise reduction system of washing machine according to claim 1, it is characterised in that：The control module includes control
Motor and transmission device, the transmission device are connected with the long tube, and the controlled motor controls the transmission device regulation length
The length of pipe, it is preferred that the transmission device is gear drive.
6. a kind of noise reduction system of washing machine according to claim any one of 2-5, it is characterised in that：The noise is eliminated
Module and control module are arranged on the box inside of washing machine.
7. a kind of noise reduction system of washing machine according to claim 6, it is characterised in that：At least two groups noises are set to eliminate
Different azimuth of the module on the inside of casing of washing machine, every group of noise cancellation module includes at least one long tube.
8. a kind of noise reduction system of washing machine according to claim 1, it is characterised in that：The noise gathering module is set
In casing of washing machine, set close to noise source, it is preferred that the noise gathering module is arranged on washing machine base frame.
9. a kind of noise-reduction method of the noise reduction system as described in claim any one of 1-8, it is characterised in that：Comprise the following steps：
(1) noise gathering module is acquired to the noise produced in washing machine running；
(2) noise signal that noise treatment module is gathered to noise gathering module is handled, and obtains at least one main noise
The frequency of contribution simultaneously obtains its wavelength；
(3) information that control module is gathered according to noise treatment module, each long length of tube of control noise cancellation module is right one by one
The a quarter of each main noise wavelength should be adjusted to, main noise is eliminated.
10. a kind of washing machine, it is characterised in that：Include a kind of noise reduction system of washing machine as described in claim any one of 1-8
System.
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| CN201710278830.4A CN106988085B (en) | 2017-04-25 | 2017-04-25 | Noise reduction system and noise reduction method of washing machine and washing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087625A (en) * | 2018-08-27 | 2018-12-25 | 电子科技大学 | The multipurpose active noise controller and its method of variable-length |
| JP2019208965A (en) * | 2018-06-07 | 2019-12-12 | 日立グローバルライフソリューションズ株式会社 | Washing machine |
| WO2024011964A1 (en) * | 2022-07-12 | 2024-01-18 | 合肥美的电冰箱有限公司 | Silencer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004252340A (en) * | 2003-02-21 | 2004-09-09 | Toshiba Corp | Branch duct silencer |
| CN101694051A (en) * | 2009-01-23 | 2010-04-14 | 南京乐金熊猫电器有限公司 | Noise decreasing method for washing machine and washing machine implementing the method |
| CN102979649A (en) * | 2012-11-29 | 2013-03-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Noise reduction wavelength tube |
| CN103410794A (en) * | 2013-08-13 | 2013-11-27 | 江苏大学 | Wavelength adjustable noise reduction tube of centrifugal pump |
-
2017
- 2017-04-25 CN CN201710278830.4A patent/CN106988085B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004252340A (en) * | 2003-02-21 | 2004-09-09 | Toshiba Corp | Branch duct silencer |
| CN101694051A (en) * | 2009-01-23 | 2010-04-14 | 南京乐金熊猫电器有限公司 | Noise decreasing method for washing machine and washing machine implementing the method |
| CN102979649A (en) * | 2012-11-29 | 2013-03-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Noise reduction wavelength tube |
| CN103410794A (en) * | 2013-08-13 | 2013-11-27 | 江苏大学 | Wavelength adjustable noise reduction tube of centrifugal pump |
Non-Patent Citations (1)
| Title |
|---|
| 国家环境保护局: "《工业噪声治理技术》", 31 October 1993, 中国环境科学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019208965A (en) * | 2018-06-07 | 2019-12-12 | 日立グローバルライフソリューションズ株式会社 | Washing machine |
| JP7099879B2 (en) | 2018-06-07 | 2022-07-12 | 日立グローバルライフソリューションズ株式会社 | washing machine |
| CN109087625A (en) * | 2018-08-27 | 2018-12-25 | 电子科技大学 | The multipurpose active noise controller and its method of variable-length |
| CN109087625B (en) * | 2018-08-27 | 2023-03-31 | 电子科技大学 | Variable length multi-purpose active noise control apparatus and method thereof |
| WO2024011964A1 (en) * | 2022-07-12 | 2024-01-18 | 合肥美的电冰箱有限公司 | Silencer |
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