CN101535550A - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
CN101535550A
CN101535550A CNA2007800416227A CN200780041622A CN101535550A CN 101535550 A CN101535550 A CN 101535550A CN A2007800416227 A CNA2007800416227 A CN A2007800416227A CN 200780041622 A CN200780041622 A CN 200780041622A CN 101535550 A CN101535550 A CN 101535550A
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CN
China
Prior art keywords
casing
washing machine
vibration
dynamic damper
side casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007800416227A
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Chinese (zh)
Inventor
洪京燮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN101535550A publication Critical patent/CN101535550A/en
Pending legal-status Critical Current

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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/265—Counterweights mounted to the tub; Mountings therefor
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • D06F37/268—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for suspension devices
    • 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 
    • D06F39/12—Casings; Tubs
    • D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

In a washing machine, vibration of a cabinet vibrated by a tub is offset by a dynamic vibration absorber. Therefore, vibration of the cabinet is reduced and thus noise of the washing machine is reduced.

Description

Washing machine
Technical field
The present invention relates to a kind of washing machine, particularly a kind of washing machine that reduces washing machine vibration of generation when operation.
Background technology
In traditional washing machine, when cylinder rotated, steel ladle had the trend of rotating along the rotation direction of cylinder.Therefore, steel ladle is owing to vibration or eccentric the vibration.With reference to Fig. 1, spring 5 supports the steel ladle (not shown) in side casing 16, and the vibration of steel ladle (not shown) makes spring 5 laterally vibrate.In addition, this vibration makes side casing 16 vibrate by reinforcement 18, and spring 5 is hung in this reinforcement 18.Fig. 2 shows the vibrational state of side casing 16.
The intrinsic frequency of side casing 16 depends on its shape and rigidity.If because the frequency of the vibration that the rotation of cylinder (not shown) produces is near this intrinsic frequency, thereby then the vibration of side casing 16 can cause stronger vibration to produce noise.Therefore, the vibration of side casing 16 can hinder the stability of product and produce noise.
Summary of the invention
Technical problem
The present invention is devoted to address the above problem, and the invention provides a kind of washing machine that reduces washing machine vibration of generation when operation.
According to a scheme of the present invention, a kind of washing machine is provided, it comprises: casing; The tube that is filled with water, it is located in this casing and is used to store washings; And dynamic damper, an end of this dynamic damper is fixed in this casing, and the other end of this dynamic damper forms free end, and this dynamic damper is used to offset the vibration that this casing causes owing to this vibration that is filled with water tube.
Technical scheme
But this dynamic damper involving vibrations spare, an end of this vibrating member is fixed in the inside of this casing, and the other end of this vibrating member extends to the inside of this casing.The other end of this vibrating member may extend to the downside of the inside of this casing.This dynamic damper also can comprise mass member, and this mass member has predetermined quality and is linked in this vibrating member.
This casing can comprise the side casing of the side that is used to limit the space that this tube that is filled with water is set.
The intrinsic frequency of this dynamic damper can approximate the intrinsic frequency of this side casing.
When this side casing has multiple eigentone, can be provided with a plurality of dynamic dampers.
The intrinsic frequency of described a plurality of dynamic dampers can be corresponding to the described multiple vibration mode of this side casing.
This washing machine also can comprise reinforcement, and this reinforcement is located at the inside of this side casing and is used to strengthen the rigidity of this side casing.
This dynamic damper can by with this shell vibration phase place opposite phases vibration this shell vibration that decays.
Beneficial effect
Washing machine according to the present invention has following effect:
At first,, therefore, reduced shell vibration, reduced the noise of casing owing to make the part of the vibrational energy of side casing vibration be used for making the dynamic damper vibration.
The second, when dynamic damper when vibrating with side shell vibration phase place opposite phases, vibration is cancelled out each other, thereby has further reduced shell vibration, has reduced the noise of casing.
The 3rd, because dynamic damper can change to the resonant frequency of casing outside the running frequency scope of washing machine, therefore, when moving, washing machine can not produce covibration.
The 4th, because shell vibration reduces, reduce so be transferred into the vibration of the pedestal of casing.Therefore, vibration on the floor surface of washing machine reduces, noise reduces being provided with, thereby has improved the stability and the reliability of product.
Description of drawings
Fig. 1 is the partial perspective view that shows the connecting structure of spring in traditional washing machine and side casing;
Fig. 2 is the stereogram that shows the side shell vibration of the washing machine among Fig. 1;
Fig. 3 is the cutaway view that shows the internal structure of the washing machine of one exemplary embodiment according to the present invention;
Fig. 4 is the partial perspective view on top that shows the side casing of the washing machine among Fig. 3;
Fig. 5 shows " A " in Fig. 4 to the front view on the top of the side casing of intercepting;
Fig. 6 is the curve map of relation that shows the rotation of the side shell vibration displacement of washing machine among Fig. 2 and the washing machine among Fig. 3 and motor.
The specific embodiment
Washing machine according to the present invention comprise can process clothes all household electrical appliance, for example simple and easy washing machine, dryer and Water Extraction Machinery.Hereinafter will describe in detail with the example of simple and easy washing machine as washing machine.
Fig. 3 is the cutaway view of internal structure that shows the washing machine 100 of one exemplary embodiment according to the present invention.Fig. 4 is the partial perspective view of upper portion that shows the side casing 116 of the washing machine among Fig. 3.
With reference to Fig. 3, washing machine 100 comprises casing 101, cylinder 103 and steel ladle 102 substantially.Casing 101 forms outward appearance and limits the inner space that is used for ccontaining cylinder 103 and steel ladle 102.Casing 101 comprises side casing 116 that is used to form the side and the pedestal 101a that is used to form the bottom surface.
With reference to Fig. 3, steel ladle 102 is located in the casing 101 and is fixed in casing 101.Cylinder 103 is set to rotate in steel ladle 102, and makes clothing and washings rotate by lifting member 103a.The motor (not shown) is located at the rear side of cylinder 103, and this motor (not shown) makes cylinder 103 rotate.
With reference to Fig. 3, a plurality of springs 105 that are used for flexibly supporting steel ladle 102 are located at casing 101.One end of each spring 105 all is linked in the upside of steel ladle 102, and the other end of each spring 105 all is linked in the upside of side casing 116.Therefore, steel ladle 102 can flexibly hang by spring 105.In addition, shock absorber 106 is located at the downside of steel ladle 102, and this shock absorber 106 makes the vibration attenuation of steel ladle 102.
With reference to Fig. 3, washing machine 100 also comprises the dynamic damper 120 of the vibration attenuation that is used to make casing 101.This dynamic damper 120 is the vibration of side the casing 116 because vibration of the side casing 116 that the vibration of spring 105 causes decays by decay.One end of dynamic damper 120 is fixed in the position that integrally vibrates with side casing 116, and the other end of dynamic damper 120 forms free end.That is, when 116 vibrations of side casing, dynamic damper 120 is offset the vibration of side casing 116 with 116 vibrations of side casing with this, thus the vibration of decay side casing 116.Because the intrinsic frequency of dynamic damper 120 approximates the intrinsic frequency of side casing 116, so effectiveness in vibration suppression significantly improves.
Fig. 5 shows " A " in Fig. 4 to the front view on the top of the side casing of intercepting.
With reference to Fig. 4 and Fig. 5, dynamic damper 120 involving vibrations spares 122 and mass member 124.Vibrating member 122 is for having the rod of preset width.In addition, vibrating member 122 is made by the metal material with predetermined elasticity, so that vibrate by the vibration that puts on the side casing 116.Yet the present invention is not as limit, and vibrating member 122 can be made by various materials.The intrinsic frequency of dynamic damper 120 changes according to quality and rigidity.Therefore, the mass member 124 with predetermined quality is located at the tip of vibrating member 122, thereby dynamic damper 120 can have the target intrinsic frequency.Yet, when only utilizing vibrating member 122 just can obtain this target intrinsic frequency, independent mass member can be set.
With reference to Fig. 4 and Fig. 5, the reinforcement 118 that is used to strengthen the rigidity of side casing 116 is fixed in the upper end of side casing 116.Reinforcement 118 is provided with on the length direction of front and back along the upper end of side casing 116, and its cross sectional shape and Korean alphabet "
Figure A200780041622D0007173442QIETU
" shape similar.Yet the present invention is not as limit, and reinforcement 118 can be different shape.
With reference to Fig. 4 and Fig. 5, a client link of vibrating member 122 is in the lower end of the inside of reinforcement 118, and the other end of vibrating member 122 extends towards the downside of the inside of side casing 116.Yet the present invention is not as limit, and an end of vibrating member 122 can be fixed in reinforcement 118, and the other end of vibrating member 122 can extend towards the upside or the side of the inside of side casing 116.In addition, an end of vibrating member 122 can directly be linked in side casing 116, and does not utilize independent reinforcement.
When dynamic damper 120 vibration, dynamic damper 120 can contact owing to the part with the inside of washing machine 100 or side casing 116 and produce noise.Yet with reference to Fig. 3 to Fig. 5, because an end of vibrating member 122 is fixed in reinforcement 118, therefore, the other end of vibrating member 122 can only separate predetermined space from side casing 116.Therefore, the possibility that can make dynamic damper 120 produce noise significantly reduces.
Below with the operation of the washing machine 100 of key diagram 3.
If washing machine 100 operations, then cylinder 103 rotates, according to the rotation of cylinder 103, and steel ladle 102 vibrations, this vibration is sent to side casing 116 by spring 105.When 116 vibrations of side casing, be linked in dynamic damper 120 vibrations of the upside of side casing 116.Yet as shown in Figure 5, dynamic damper 120 is along the direction vibration opposite with the direction of vibration of side casing 116.That is, when side casing 116 when first direction (directions X) vibrates, vibrating member 122 is along second direction (directions X) vibration, when side casing 116 when second direction (directions X) is vibrated, vibrating member 122 vibrates along first direction (directions X).Therefore, because the phase place of dynamic damper 120 vibrations is opposite with the direction of vibration of side casing 116, thereby dynamic damper 120 has been offset the vibration of side casing 116, therefore, has reduced the vibration of the integral body of washing machine 100.
Fig. 6 shows traditional washing machine (washing machine among Fig. 1) and according to an exemplary embodiment of the present invention in the washing machine 100, the curve map of the relation between the vibration of the rotating speed of motor (not shown) and side casing (16,116).With reference to Fig. 6, when the rotating speed of motor (not shown) during near the resonant frequency of side casing 16, the side casing 16 of traditional washing machine produces covibrations, makes its amplitude significantly increase.
Yet, in washing machine 100 according to an exemplary embodiment of the present invention,, make the vibrational energy of side casing 116 vibrations be used for making dynamic damper 120 to vibrate because the vibration phase of dynamic damper 120 is opposite with the direction of vibration of side casing 116.Therefore, the vibration of the integral body of washing machine 100 is decayed.Below will be described in detail this.Dynamic damper 120 changes the resonant frequency of washing machine 100.That is,, therefore avoided generation covibration when washing machine move because dynamic damper 120 changes to the resonant frequency of washing machine 100 outside the scope of operational shock frequency of motor (not shown).
Side casing 116 can have a kind of eigentone.Yet side casing 116 also can have multiple different eigentone.In the case, if be provided with a plurality of dynamic dampers in the side casing 116, and the intrinsic frequency of described a plurality of dynamic dampers then can reduce the multiple covibration that produces effectively corresponding to described multiple vibration mode when washing machine moves.
With this embodiments of the invention are illustrated, obviously can under multiple mode, change same mode.These changes can not be thought and depart from the spirit and scope of the invention, and all such changes that it will be apparent to those skilled in the art that are intended to be covered in the scope of appended claim.
Industrial applicibility
By in washing machine according to the present invention, dynamic damper being set, can reduce the vibration of washing machine.

Claims (12)

1. washing machine comprises:
Casing;
The tube that is filled with water, it is located in this casing and is used to store washings; And
Dynamic damper, an end of this dynamic damper is fixed in this casing, and the other end of this dynamic damper forms free end, and this dynamic damper is used to offset this casing the vibration that vibration caused of the tube because this is filled with water.
2. washing machine as claimed in claim 1, wherein, this dynamic damper involving vibrations spare, an end of this vibrating member is fixed in the inside of this casing, and the other end of this vibrating member extends to the inside of this casing.
3. washing machine as claimed in claim 2, wherein, the other end of this vibrating member extends to the downside of the inside of this casing.
4. washing machine as claimed in claim 2, wherein, this dynamic damper also comprises mass member, this mass member has predetermined quality and is linked in this vibrating member.
5. washing machine as claimed in claim 1, wherein, this casing comprises the side casing, described side casing is used to limit the side in the space that this tube that is filled with water is set.
6. washing machine as claimed in claim 5, wherein, the intrinsic frequency of this dynamic damper approximates the intrinsic frequency of this side casing.
7. washing machine as claimed in claim 1, wherein, this other end of this dynamic damper separates with this casing, thus when this dynamic damper vibration, this dynamic damper does not contact with this casing.
8. washing machine as claimed in claim 5 wherein, when this side casing has multiple eigentone, is provided with a plurality of dynamic dampers.
9. washing machine as claimed in claim 8, wherein, the intrinsic frequency of described a plurality of dynamic dampers is corresponding to the described multiple vibration mode of this side casing.
10. washing machine as claimed in claim 5 also comprises reinforcement, and this reinforcement is located at the inside of this side casing and is used to strengthen the rigidity of this side casing.
11. washing machine as claimed in claim 10, wherein, this dynamic damper comprises:
Vibrating member, a client link of this vibrating member are in this reinforcement, and the other end of this vibrating member forms the free end of the downside of the inside that extends to this casing; And
Mass member, it has predetermined quality and is linked in this vibrating member,
Wherein, this dynamic damper by with this side shell vibration phase place opposite phases vibration this side shell vibration that decays.
12. washing machine as claimed in claim 1, wherein, this dynamic damper by with this shell vibration phase place opposite phases vibration this shell vibration that decays.
CNA2007800416227A 2006-11-10 2007-11-09 Washing machine Pending CN101535550A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060111276 2006-11-10
KR1020060111276A KR20080042604A (en) 2006-11-10 2006-11-10 Washing machine

Publications (1)

Publication Number Publication Date
CN101535550A true CN101535550A (en) 2009-09-16

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US (1) US20100037660A1 (en)
EP (1) EP2097577A4 (en)
KR (1) KR20080042604A (en)
CN (1) CN101535550A (en)
WO (1) WO2008056953A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109451146A (en) * 2018-10-15 2019-03-08 维沃移动通信有限公司 A kind of vibration processing method and terminal

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BRPI0902530A2 (en) 2009-07-29 2011-04-05 Electrolux Do Brasil Sa washing machine suspension system
JP6212716B2 (en) * 2014-02-21 2017-10-18 パナソニックＩｐマネジメント株式会社 Washing machine
KR20160063436A (en) 2014-11-25 2016-06-07 주식회사 삼코 Side damper for vibration proof of washing machine
TR201706545A2 (en) 2017-05-04 2018-11-21 Arcelik As A DYNAMIC VIBRATION ABSORBER AND HOME APPLIANCE
TR201706654A2 (en) 2017-05-05 2018-11-21 Arcelik As A DYNAMIC VIBRATION ABSORBER AND WASHING MACHINE
TR201706613A3 (en) 2017-05-05 2018-12-21 Arcelik As A DYNAMIC VIBRATION ABSORBER AND WASHING MACHINE

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Publication number Publication date
US20100037660A1 (en) 2010-02-18
EP2097577A4 (en) 2013-08-21
EP2097577A1 (en) 2009-09-09
KR20080042604A (en) 2008-05-15
WO2008056953A1 (en) 2008-05-15

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Open date: 20090916