CN107881707A - A kind of vibration absorber, washing machine and its oscillation damping method - Google Patents
A kind of vibration absorber, washing machine and its oscillation damping method Download PDFInfo
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- CN107881707A CN107881707A CN201711071634.6A CN201711071634A CN107881707A CN 107881707 A CN107881707 A CN 107881707A CN 201711071634 A CN201711071634 A CN 201711071634A CN 107881707 A CN107881707 A CN 107881707A
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- vibration
- vibration isolator
- electromagnetism
- displacement
- isolator
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- 238000005406 washing Methods 0.000 title claims abstract description 92
- 238000013016 damping Methods 0.000 title claims abstract description 73
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000010355 oscillation Effects 0.000 title claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims description 122
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 49
- 238000002955 isolation Methods 0.000 claims description 41
- 239000011159 matrix material Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 24
- 230000009467 reduction Effects 0.000 description 13
- 230000035939 shock Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 238000012795 verification Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of vibration absorber, washing machine and its oscillation damping method, the device includes：First vibration isolator, raft body and the second vibration isolator；First vibration isolator and second vibration isolator, it is respectively arranged at the both sides of the raft body；Wherein, one in first vibration isolator and second vibration isolator, including：Spring-damper；The spring-damper, for treating vibration progress passive type vibration damping processing caused by dampening apparatus operation；Another in first vibration isolator and second vibration isolator, including：Electromagnetism vibration isolator；The electromagnetism vibration isolator, for carrying out active vibration damping processing to the vibration.The solution of the present invention, the defects of vibrating noise is big, junction is fragile and operational reliability is poor can be overcome in the prior art, realize that vibrating noise is small, junction is hardly damaged the beneficial effect good with operational reliability.
Description
Technical field
The invention belongs to antivibration area, and in particular to a kind of vibration absorber, washing machine and its oscillation damping method, especially relate to
And it is a kind of based on buoyant raft principle set semi-active type damping base, have the semi-active type damping base washing machine and
Oscillation damping method of the washing machine based on buoyant raft principle.
Background technology
With social development, life progress, washing machine has progressively come into every family, has started to facilitate the life of people.
Washing machine, it can be acted on using electricity generator tool to wash clothing.Washing machine its centrifugal intertia force in dehydration can be up to
20KN, huge inertia force are passed on box assembly by spring, the damper being connected with cartridge module, are produced box assembly and are shaken
It is dynamic.Washing machine now, is typically placed directly in ground, and during the permanent use of washing machine, vibrating noise is larger, passes through
Ground transmit and ground with washing machine lower margin is rigid contacts, easily deform foundation bolt junction, or even damage.
In the prior art, the defects of vibrating noise is big, junction is fragile and operational reliability is poor be present.
The content of the invention
It is an object of the present invention to it is directed to drawbacks described above, there is provided a kind of vibration absorber, washing machine and its oscillation damping method, with
Solve the problems, such as that washing machine is placed directly in that vibrating noise on ground is big in the prior art, reach the effect for reducing vibrating noise.
The present invention provides a kind of vibration absorber, including：First vibration isolator, raft body and the second vibration isolator；First vibration isolation
Device and second vibration isolator, it is respectively arranged at the both sides of the raft body；Wherein, first vibration isolator and second vibration isolation
One in device, including：Spring-damper；The spring-damper, for treat dampening apparatus operation caused by vibrate into
The processing of row passive type vibration damping；Another in first vibration isolator and second vibration isolator, including：Electromagnetism vibration isolator；Institute
Electromagnetism vibration isolator is stated, for carrying out active vibration damping processing to the vibration.
Alternatively, wherein, the quantity of first vibration isolator is more than one；And/or the quantity of second vibration isolator
For more than one；And/or when the vibration absorber is placed vertically, if the spring-damper is located at upper strata, the electricity
Magnetic vibration isolator is located at lower floor；If the spring-damper is located at lower floor, the electromagnetism vibration isolator is located at upper strata.
Alternatively, in addition to；At least one of apparatus connecting unit and pedestal；Wherein, the apparatus connecting unit, is arranged at
Side of first vibration isolator away from the raft body, for the contact between first vibration isolator and the equipment to be damped
Or connection；The pedestal, side of second vibration isolator away from the raft body is arranged at, for second vibration isolator and institute
State the contact or connection between the matrix in equipment local environment to be damped；Wherein, described matrix, including：Ground, wall, with
And any one in other fixed structures.
Alternatively, wherein, the apparatus connecting unit, including：In integral type connecting portion, split type connecting portion at least it
One；When the apparatus connecting unit includes split type connecting portion, the quantity of the split type connecting portion and first vibration isolator
Quantity it is consistent；And/or the raft body, including：At least one of integral type raft body, split type raft body；When the raft body bag
When including split type raft body, the quantity of the split type raft body, meet to set first vibration isolator and second vibration isolation simultaneously
Requirement during device；And/or the pedestal, including：At least one of integral type pedestal, Separated base；When the base
When seat includes Separated base, the quantity of the Separated base is consistent with the quantity of second vibration isolator；It is and/or described
The thickness of at least one of apparatus connecting unit, first vibration isolator, the raft body, second vibration isolator, the pedestal or
Highly, can be adjusted according to use demand.
Alternatively, the electromagnetism vibration isolator, including：Push-plate and electromagnet；Wherein, one end of the push-plate, it is installed on institute
State raft body；The other end of the push-plate, produced by being placed in the electromagnet in the field region of magnetic field force formation；Subtract when described
When vibrating device also includes pedestal, the electromagnet, the pedestal is installed on, for producing the magnetic field force, with the push-plate
During with the vibration equipment to be damped, by the magnetic fields of the magnetic field force, avoid between the push-plate and the pedestal
Rigid contact.
Alternatively, wherein, the structure of the push-plate, including：First connector, intermediate connector and the second connector；Its
In, first connector, it is connected to the raft body；Second connector, it is placed in the field regions of the electromagnet
In domain；The intermediate connector, it is connected between first connector and second connector, and is connected with described first
Part and second connector form zigzag configuration；And/or the structure of the electromagnet, including：Concave structure, half I-shaped knot
At least one of structure, arcuate structure, C-shaped configuration；And/or the direction of magnetic field force caused by the electromagnet, perpendicular to described
Plane where raft body.
Alternatively, wherein, in the zigzag configuration, first connector and second connector be arranged in parallel, institute
Intermediate connector is stated to set perpendicular to first connector and second connector；And/or when the second vibration isolator bag
Include electromagnetism vibration isolator and when the quantity of second vibration isolator is identical with the quantity of the foundation bolt of the equipment to be damped, often
Individual second vibration isolator, is correspondingly arranged to the corresponding foundation bolt of the equipment to be damped, for by described in the quantity
The synergy of push-plate and the electromagnet described in second vibration isolator, in the vibration equipment to be damped to described to be damped
Equipment carries out spacing.
Alternatively, in addition to：Displacement transducer and controller；Wherein, institute's displacement sensors, for obtaining the electromagnetism
The vibration displacement of vibration isolator；The controller, in the case of being more than or equal to setting displacement in the vibration displacement, turn down
The input current of the electromagnetism vibration isolator；In the case where the vibration displacement is less than the setting displacement, the electromagnetism is tuned up
The input current of vibration isolator.
Alternatively, wherein, in addition to：Comparator；The comparator, for the vibration displacement and the setting displacement
It is compared, to determine the vibration displacement and the magnitude relationship of the setting displacement；And/or when the electromagnetism vibration isolator bag
When including push-plate and electromagnet, institute's displacement sensors, it is distributed on the push-plate；The input current of the electromagnetism vibration isolator, it is
The electric current for producing electromagnetic force is inputted and is used for the electromagnet；And/or when the electromagnetism vibration isolator quantity for one with
When upper, the quantity of institute's displacement sensors is consistent with the quantity of the electromagnetism vibration isolator；Wherein, each institute's displacement sensors,
For obtaining each vibration displacement of each electromagnetism vibration isolator；Input current of the controller to the electromagnetism vibration isolator
Control, including：According to each vibration displacement, the corresponding input current of each electromagnetism vibration isolator is individually controlled
System.
Matching with above-mentioned vibration absorber, another aspect of the present invention provides a kind of washing machine, including：Above-described vibration damping
Device；The vibration absorber, the bottom of the washing machine is installed on, the base as the washing machine；Wherein, when described second
When the quantity of vibration isolator is four, four second vibration isolators are corresponding with four foundation bolts of the washing machine bottom to set
Put.
Matching with above-mentioned washing machine, further aspect of the present invention provides a kind of oscillation damping method of washing machine, including：Pass through institute
Spring-damper is stated, caused vibration is run to the washing machine and carries out passive type vibration damping processing；Pass through the electromagnetism vibration isolation
Device, active vibration damping processing is carried out to the vibration.
Alternatively, active vibration damping processing is carried out to the vibration, including：When the vibration absorber also include pedestal and
When the electromagnetism vibration isolator includes push-plate and electromagnet, when the push-plate is with the vibration equipment to be damped, pass through the electricity
Magnet produces the magnetic fields of the magnetic field force, avoids the rigid contact between the push-plate and the pedestal；And/or when four
When individual electromagnetism vibration isolator foundation bolt corresponding to the washing machine is correspondingly arranged, pass through four electromagnetism vibration isolation
The synergy of push-plate and electromagnet in device, the washing machine is carried out in the washing machine spacing.
Alternatively, in addition to：Obtain the vibration displacement of the electromagnetism vibration isolator；It is more than or equal in the vibration displacement and sets
In the case that positioning moves, the input current of the electromagnetism vibration isolator is turned down；It is less than the setting displacement in the vibration displacement
In the case of, tune up the input current of the electromagnetism vibration isolator.
Alternatively, wherein, in addition to：The vibration displacement and the setting displacement are compared, to be shaken described in determination
The magnitude relationship of dynamic displacement and the setting displacement；And/or when the quantity of the electromagnetism vibration isolator is more than one, obtain
The vibration displacement of the electromagnetism vibration isolator, including：Obtain each vibration displacement of each electromagnetism vibration isolator；To the electromagnetism
The control of the input current of vibration isolator, including：According to each vibration displacement, to the corresponding defeated of each electromagnetism vibration isolator
Enter electric current individually to be controlled.
The solution of the present invention, by making base use buoyant raft vibration isolation way, it is possible to reduce earthward transmitted during use
Vibration and operation caused by noise, made an uproar so as to be effectively reduced caused by vibration transmission and operation earthward
Sound.
Further, the solution of the present invention, by the effect in magnetic field in base, the lower margin damage that rigid contact is brought can be reduced
Wound, such as reduce traditional ground and damaged with the lower margin that lower margin rigid contact is brought.
Further, the solution of the present invention, buoyant raft vibration isolation is carried out by using base, vibration can be reduced, reduce lower margin damage
Wound, can also reduce the probability of " walking about " phenomenon generation, and it is common because horizontal vibration power is more than lower margin friction such as to reduce washing machine
The probability that power and caused " walking about " phenomenon occur.
Further, the solution of the present invention, by increasing the height of washing machine, clothing of conveniently taking, while can be in base
Conventional washing implement is placed, improves the convenience that life uses.
Thus, the solution of the present invention, by the base set based on buoyant raft vibration isolation principle, spring-damper and electromagnetism are carried out
Vibration isolator realizes active and passive type vibration damping in combination, solves washing machine in the prior art and be placed directly in vibration on ground to make an uproar
The problem of sound is big, so as to, overcome in the prior art the defects of vibrating noise is big, junction is fragile and operational reliability is poor, it is real
Existing vibrating noise is small, junction is hardly damaged the beneficial effect good with operational reliability.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of buoyant raft shock-resistant system mechanical model；
Fig. 2 is the assembling structure schematic diagram of center base of the present invention (i.e. vibration absorber) and an embodiment of washing machine；
Fig. 3 is the mechanical model schematic diagram of an embodiment of the base (i.e. vibration absorber) of the present invention；
Fig. 4 is the operation principle signal of an embodiment of electromagnetism vibrating isolation system in base (i.e. vibration absorber) of the invention
Figure.
With reference to accompanying drawing 1, reference is as follows in the embodiment of the present invention：
11- top apparatus connecting portions；12- upper stratas vibration isolator；Raft body among 13-；14- lower floors vibration isolator；15- bottoms base
Seat.
With reference to accompanying drawing 2 and accompanying drawing 3, reference is as follows in the embodiment of the present invention：
1- washing machines；2- bases；21- apparatus connecting unit；The vibration isolators of 22- first；221- spring-dampers；23- raft body (examples
Such as：Buoyant raft, raft body flat board etc.)；The vibration isolators of 24- second (such as：Electromagnetism vibration isolator)；241- push-plates；242- electromagnet (such as：
Spill electromagnet)；25- pedestals；26- controllers；27- displacement transducers；28- comparators.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Usually, washing machine passes through rigid bolt connection in every family in use, common mode is directly to place
Lower margin be supported on ground, such connected mode, vibration isolating effect is bad, and noise is larger, and during permanent use, ground
Pin easy damaged and cause usage experience drastically to decline, present roller washing machine insufficient height in addition, in use, often need
Bend over clothing of taking, convenience is inadequate.Such as：For roller washing machine, insufficient height and can only bend over to put clothing and take clothing, not enough just
Just.
According to an embodiment of the invention, there is provided an embodiment of a kind of vibration absorber, the as shown in Figure 3 device of the present invention
Structural representation.The vibration absorber can include：First vibration isolator 22, the vibration isolator 24 of raft body 23 and second；Described first every
Shake device 22 and second vibration isolator 24, is respectively arranged at the both sides of the raft body 23.
Wherein, one in first vibration isolator 22 and second vibration isolator 24, can include：Spring-damper
221；The spring-damper 221, it can be used for treating vibration progress passive type vibration damping processing caused by dampening apparatus operation.
Another in first vibration isolator 22 and second vibration isolator 24, can include：Electromagnetism vibration isolator；The electromagnetism vibration isolation
Device, it can be used for carrying out active vibration damping processing to the vibration.
Such as：Based on the principle of buoyant raft vibration isolation, there is good effectiveness in vibration suppression under each vibration frequency and rigidity, simultaneously
Using passively being arranged in pairs or groups with active damping mode in a buoyant raft vibration insulating system, with being adapted to washing machine strength of one's legs differ and
Vibration Condition under different rotating speeds, reach good effect of vibration and noise reduction.
Such as：By passively arranged in pairs or groups with active vibration damping in a semi-active type buoyant raft vibration insulating system (such as：By passive
Formula vibration-proof structure and active vibration damping structure matching form a semi-active type buoyant raft vibration insulating system) in, can be in different frequency
There is good vibration isolation and damping effect under vibration, adapt to Vibration Condition of the washing machine under different rotating speeds, reach good vibration damping
Noise reduction.
Such as：Base (i.e. vibration absorber) uses buoyant raft vibration isolation way, it is possible to reduce is earthward transmitted during use
Noise caused by vibration and operation, made an uproar so as to be effectively reduced caused by the transmission and operation of vibration earthward
Sound.
Thus, passive type and active vibration damping in combination are carried out by spring-damper and electromagnetism vibration isolator, are adapted to
The ground strength of one's legs of equipment to be damped differ and different rotating speeds etc. it is a variety of in the case of Vibration Condition, reach good vibration and noise reducing
Effect, and reliability is high, the comfortableness and convenience that user uses are good.
In an optional example, the raft body 23, it can include：In integral type raft body, split type raft body at least it
One.When the raft body 23 can include split type raft body, the quantity of the split type raft body, meet to set described first simultaneously
Requirement when vibration isolator 22 and second vibration isolator 24.
Thus, by the raft body of diversified forms, the first vibration isolator of varying number and setting for the second vibration isolator can be facilitated
Put and be distributed, be advantageous to be lifted flexibility and the diversity of the first vibration isolator and the second vibration isolator layout, and then go for
A variety of equipment to be damped and a variety of use occasions, it is versatile.
In an optional example, the electromagnetism vibration isolator, it can include：Push-plate 241 and electromagnet 242.
Such as：Electromagnetism vibration isolation form, can use push-plate (such as：Push-plate 241) and electromagnet (such as：Electromagnet 242)
Realize.
In an optional specific example, one end of the push-plate 241, the raft body 23 is installed on.The push-plate 242
The other end, produced by being placed in the electromagnet 242 in the field region of magnetic field force formation.
In an optional specific example, when the vibration absorber can also include pedestal 25, the electromagnet 242,
Be installed on the pedestal 25, can be used for producing the magnetic field force, with the push-plate 241 with the vibration equipment to be damped
When, by the magnetic fields of the magnetic field force, avoid the rigid contact between the push-plate 241 and the pedestal 25.
Such as：Push-plate (such as：Push-plate 241) and raft body flat board (such as：Raft body 23) it is affixed, it is placed in " recessed " shape electromagnet
In caused field region, caused magnetic field force is vertical direction, " recessed " shape electromagnet and pedestal (such as：Pedestal 25) it is affixed.
Such as：By the effect in magnetic field in base, instead of traditional ground and the rigid contact of lower margin, rigidity can be reduced
The lower margin damage brought is contacted, such as reduces traditional ground and is damaged with the lower margin that lower margin rigid contact is brought.
Thus, being equipped with by push-plate and electromagnet, it is possible to achieve electromagnetism vibration isolation, simple in construction, control mode letter
Just, and reliability is high.
Alternatively, the structure of the push-plate 241, can include：First connector, intermediate connector and the second connector.
Wherein, first connector, it is connected to the raft body 23.Second connector, is placed in the electromagnet
In 242 field region.The intermediate connector, it is connected between first connector and second connector,
And form zigzag configuration with first connector and second connector.
Thus, the Z-shaped knot by the way that push-plate to be arranged to be formed by the first connector, intermediate connector and the second connector
Structure, facilitates the connection of push-plate and raft body and pedestal, and property easy to use is good；Push-plate is also convenient for realize by the magneticaction of electromagnet
Active vibration damping, vibration damping reliability are high.
More alternatively, in the zigzag configuration, first connector and second connector be arranged in parallel, described
Intermediate connector is set perpendicular to first connector and second connector.
Thus, by making intermediate connector convenient perpendicular to the first connector and the second connector, control in zigzag configuration
More preferably, effectiveness in vibration suppression is more preferably.
Alternatively, the structure of the electromagnet 242, can include：Concave structure (such as：Spill electromagnet), half I-shaped
At least one of shape structure, arcuate structure, C-shaped configuration.
Thus, by the electromagnet of diversified forms, flexibility and convenience that electromagnet uses can be lifted.
Alternatively, the direction of magnetic field force caused by the electromagnet 242, perpendicular to the place plane of raft body 23.
Thus, by making electromagnet produce the magnetic field force perpendicular to plane where raft body, can be better achieved active
Effectiveness in vibration suppression, and the input current needed for electromagnet is small, good energy-conserving effect.
Alternatively, when second vibration isolator 24 can include the quantity of electromagnetism vibration isolator and second vibration isolator 24
When identical with the quantity of the foundation bolt of the equipment to be damped, each second vibration isolator 24, with the equipment to be damped
Corresponding foundation bolt be correspondingly arranged, can be used for push-plate 241 and institute described in second vibration isolator 24 by the quantity
The synergy of electromagnet 242 is stated, it is spacing to the equipment progress to be damped in the vibration equipment to be damped, to avoid
Equipment to be damped is stated to walk about phenomenon.
Such as：Can by four " it is recessed " shape electromagnet and push-plate (such as：Push-plate 241) coordinate jointly, produce spacing work
With the probability of the damage of reduction washing machine lower margin and the generation of " walking about " phenomenon.
Such as：Buoyant raft vibration isolation is carried out by using base, vibration can be reduced, reduces lower margin damage, can also reduce " to walk
It is dynamic " probability that occurs of phenomenon, as reduce washing machine it is common because of horizontal vibration power more than lower margin frictional force and caused by " walk about "
The probability that phenomenon occurs.
Thus, can be to be damped by the electromagnetism vibration isolator set corresponding to each foundation bolt of equipment to be damped
Each ground strength of one's legs of equipment carries out vibration damping, so as to realize the position-limiting action for treating dampening apparatus, avoids the equipment to be damped
Walk about phenomenon, be advantageous to improve effect of vibration and noise reduction, also help lifting equipment reliability of operation to be damped.
In an optional example, the quantity of first vibration isolator 22 is more than one.
Thus, by more than one first vibration isolator, vibration isolation can be carried out by the first vibration isolator of varying number, if
It is good to put flexibility, vibration isolating effect is good.
In an optional example, the quantity of second vibration isolator 24 is more than one.
Thus, by more than one second vibration isolator, vibration isolation can be carried out by the second vibration isolator of varying number, every
Mode of shaking is flexible, versatile.
In an optional example, when the vibration absorber is placed vertically, if the spring-damper 221 is located at upper strata
When, then the electromagnetism vibration isolator is located at lower floor.If the spring-damper 221 is located at lower floor, the electromagnetism vibration isolator position
In upper strata.
Such as：Based on the principle of buoyant raft vibration isolation, have been demonstrated there is more preferable vibration damping under each vibration frequency and rigidity
Effect, while lower floor's vibration isolator uses active damping mode as electromagnetism vibration isolation, on the one hand, by the effect in magnetic field to avoid
The hard contact of part；On the other hand, monitored in real time using displacement transducer, feedback signal is strong by controller regulation and control magnetic field
Degree, dissipation of the increase vibrational energy on base, can efficiently control the size of vibration, washing machine is more smoothly transported
OK, while the noise of operation is reduced.
Such as：In the present invention washing machine pedestal (such as：Base 2), can with as shown in Fig. 2 upper strata vibration isolator (such as：
Second vibration isolator 22) the common spring-damper of use (such as：Spring-damper 221), correspondence washing machine (such as：Washing machine
1) four ground placements of foot set four, and be fixed on centre raft body flat board (such as：Raft body 23) on, lower floor's vibration isolator (such as：
Second vibration isolator 24) using electromagnetism vibration isolation form (such as：Electromagnetism vibration isolator).
Thus, by the different modes of emplacements of vibration absorber, set with reference to spring-damper and the different of electromagnetism vibration isolator
Position, go for a variety of equipment to be damped and a variety of occasions, the flexibility and convenience used is able to significant increase.
In an optional embodiment, it can also include：At least one of apparatus connecting unit 21 and pedestal 25.
In an optional example, the apparatus connecting unit 21, first vibration isolator 22 is arranged at away from the raft body
23 side, the contact or connection that can be used between first vibration isolator 22 and the equipment to be damped.
Thus, by apparatus connecting unit, the setting between the first vibration isolator and equipment to be damped can be facilitated, be advantageous to carry
The fastness set between equipment to be damped and the first vibration isolator is risen, further to lift effect of vibration and noise reduction.
Alternatively, the apparatus connecting unit 21, can include：In integral type connecting portion, split type connecting portion at least it
One.When the apparatus connecting unit 21 can include split type connecting portion, the quantity of the split type connecting portion and described first
The quantity of vibration isolator 22 is consistent.
Thus, by the apparatus connecting unit of diversified forms, it can be lifted and be set between the first vibration isolator and equipment to be damped
Flexibility and diversity.
In an optional example, the pedestal 25, one of second vibration isolator 24 away from the raft body 23 is arranged at
Side, the contact or connection that can be used between second vibration isolator 24 and the matrix in the equipment local environment to be damped.
Wherein, described matrix, can include：Ground, wall and other fixed structures (such as：Desk and it is placed on
Other equipment for needing vibrationproof etc.) in any one.
Thus, by pedestal, the setting between matrix in the second vibration isolator and equipment local environment to be damped can be facilitated,
Be advantageous to be lifted the stability and security installed between the second vibration isolator or even vibration absorber, equipment to be damped, and then can be with
Lift the effect of vibration and noise reduction of vibration absorber and equipment reliability of operation to be damped.
Alternatively, the pedestal 25, can include：At least one of integral type pedestal, Separated base.When the base
When seat 25 can include Separated base, the quantity of the Separated base is consistent with the quantity of second vibration isolator 24.
Thus, by the pedestal of diversified forms, the second vibration isolator and matrix in equipment local environment to be damped can be lifted
Between the flexibility that sets and diversity, also help lifting vibration absorber and the functional reliability and safety of equipment to be damped
Property.
In an optional example, the apparatus connecting unit 21, first vibration isolator 22, the raft body 23, described
The thickness or height of at least one of two vibration isolators 24, the pedestal 25, can be adjusted according to use demand.
Such as：Washing machine height is improved, increases life convenient.
Such as：By increasing the height of washing machine, clothing of conveniently taking, while conventional washing can be placed in base and is used
Tool, improve the convenience that life uses.Such as：Due to there is provided base, suitably adding the height of washing machine, clothing of conveniently taking
Thing so that user's use is more convenient；Further, article can also be placed in base, such as places washing implement, so as to
The convenience that further lifting user uses.
Thus, by according to use demand in apparatus connecting unit, the first vibration isolator, raft body, the second vibration isolator, pedestal appoint
The thickness or height of meaning one or several are adjusted, and user's use can be made more convenient, so as to further lift Consumer's Experience.
In an optional embodiment, it can also include：Displacement transducer 27 and controller 26.
Wherein, institute's displacement sensors 27, it can be used for the vibration displacement for obtaining the electromagnetism vibration isolator.The controller
26, it can be used for, in the case where the vibration displacement is more than or equal to setting displacement, turning the input of the electromagnetism vibration isolator down
Electric current.In the case where the vibration displacement is less than the setting displacement, the input current of the electromagnetism vibration isolator is tuned up.
Such as：The mechanical model of whole base can with as shown in figure 3, upper strata vibration isolator (such as：Second vibration isolator 22) adopt
With passive type vibration damping, its spring-damper (such as：Spring-damper 221) stiffness K1、K2Deng and damping C1、C2Etc. being normal
Amount；Lower floor's shock absorber (such as：Second vibration isolator 24) use active vibration damping.
Wherein, the operation principle of lower floor's shock absorber (i.e. lower floor's vibration isolator) can be with as shown in figure 4, using displacement transducer
(such as：Displacement transducer 27) be distributed in push-plate (such as：Push-plate 241) on real-time monitoring vibration displacement.Such as：When vibration is transmitted
To push-plate (such as：Push-plate 241) when, by displacement transducer (such as：Displacement transducer 27) monitoring push-plate (such as：Push-plate
241) vibration displacement, and by the vibration displacement signal monitored by comparator (such as：Comparator 28) after feed back to control
In device；Controller (such as：Controller 26) according to the size of vibration displacement signals-modulating electric current to change magnetic field intensity, so as to
With change each electromagnetism vibration isolator (such as：Second vibration isolator 24) equivalent stiffness Km1With equivalent damping Cm1, weaken vibration, make
Washing machine is more smoothly run.
Thus, set, the magnetic field force size of electromagnetism vibration isolator can entered by the adaptation of displacement transducer and controller
Row control, with according to Vibration Condition regulate and control electromagnetism vibration isolator input current, so as to more precisely, more stably carry out vibration damping
Noise reduction process.
In an optional example, when the electromagnetism vibration isolator can include push-plate 241 and electromagnet 242, institute's rheme
Displacement sensor 27, it is distributed on the push-plate 241.The input current of the electromagnetism vibration isolator, it is defeated to the electromagnet 242
Enter and can be used for the electric current for producing electromagnetic force.
Thus, by the way that displacement transducer is distributed on push-plate, can be lifted vibration displacement acquisition accuracy and in time
Property, so as to be advantageous to accuracy and stability of the lifting to the control of electromagnetism vibration isolator input current.
In an optional example, when the quantity of the electromagnetism vibration isolator is more than one, institute's displacement sensors 27
Quantity it is consistent with the quantity of the electromagnetism vibration isolator.
Wherein, each institute's displacement sensors 27, it can be used for each vibration position for obtaining each electromagnetism vibration isolator
Move.Control of the controller 26 to the input current of the electromagnetism vibration isolator, can include：According to each vibration position
Move, the corresponding input current of each electromagnetism vibration isolator is individually controlled.
Such as：Four electromagnetism vibration isolators can be separately controlled, with tackling washing machine strength of one's legs it is not of uniform size, vibration
Different situations.
Thus, by individually being controlled each electromagnetism vibration isolator, it can be lifted and treat the control of dampening apparatus vibration damping
Accuracy and stability.
In an optional embodiment, it can also include：Comparator 28.
Wherein, the comparator 28, can be used for being compared the vibration displacement and the setting displacement, to determine
The vibration displacement and the magnitude relationship of the setting displacement.
Thus, vibration displacement and setting displacement are compared by comparator, processing mode is easy, and result is reliable
Property it is high.
,, can by making base use buoyant raft vibration isolation way using the technical scheme of the present embodiment through substantial amounts of verification experimental verification
To reduce noise caused by the vibration and operation earthward transmitted during use, so as to be effectively reduced vibration to ground
Noise caused by the transmission and operation in face.
According to an embodiment of the invention, a kind of washing machine corresponding to vibration absorber is additionally provided.Shown in Figure 2 hair
Bright vibration absorber and the assembling structure schematic diagram of an embodiment of washing machine.The washing machine can include：It is above-described to subtract
Vibrating device；The vibration absorber, the bottom of the washing machine 2 is installed on, the base 1 as the washing machine 2.
Wherein, when the quantity of second vibration isolator 24 is four, four second vibration isolators 24, with the laundry
Four foundation bolts of motor spindle are correspondingly arranged.
In an optional embodiment, the principle of the invention based on buoyant raft vibration isolation, under each vibration frequency and rigidity
There is good effectiveness in vibration suppression, while use and passively arranged in pairs or groups with active damping mode in a buoyant raft vibration insulating system, Ke Yishi
Strength of one's legs differs and the Vibration Condition under different rotating speeds with answering washing machine, reaches good effect of vibration and noise reduction；Meanwhile drop
The probability that low washing machine lower margin damage and " walking about " phenomenon occur, improves washing machine height, increases life convenient.
Such as：Principle of the invention based on buoyant raft vibration isolation, have been demonstrated have under each vibration frequency and rigidity more preferably
Effectiveness in vibration suppression, while lower floor's vibration isolator uses active damping mode as electromagnetism vibration isolation, on the one hand, passes through the effect in magnetic field
To avoid the hard contact of part；On the other hand, monitored in real time using displacement transducer, feedback signal regulates and controls magnetic by controller
Field intensity, dissipation of the increase vibrational energy on base, can efficiently control the size of vibration, make washing machine more smoothly
Operation, while reduce the noise of operation.
Wherein, the present invention is based on buoyant raft vibration isolation, common buoyant raft shock-resistant system by upper strata vibration isolator (such as：Upper strata vibration isolation
Device 12), middle raft body (such as：First raft body 13) and lower floor's vibration isolator (such as：Lower floor's vibration isolator 14) composition, its mechanical model
As shown in Figure 1.Because the upper strata vibration isolator of the buoyant raft shock-resistant system can accept different vibration sources, certain support is had between vibration source
Disappear effect, thus has more preferable effect compared to single-layer partiting polarization and double-layer vibration isolating.
Such as：Upper strata vibration isolator 12, it can be arranged between top apparatus connecting portion 11 and middle raft body 13；Lower floor's vibration isolation
Device 14, it can be arranged between middle raft body 13 and bottom base 15.
In an optional example, the present invention in washing machine pedestal (such as：Base 2, i.e. vibration absorber), can be such as figure
Shown in 2, upper strata vibration isolator (such as：Second vibration isolator 22) the common spring-damper of use (such as：Spring-damper 221),
Correspondence washing machine (such as：Washing machine 1) four ground placements of foot set four, and be fixed on centre raft body flat board (such as：Raft body
23) on, lower floor's vibration isolator (such as：Second vibration isolator 24) using electromagnetism vibration isolation form (such as：Electromagnetism vibration isolator).
Alternatively, electromagnetism vibration isolation form, can use push-plate (such as：Push-plate 241) and electromagnet (such as：Electromagnet
242) realize.Wherein, push-plate (such as：Push-plate 241) and raft body flat board (such as：Raft body 23) it is affixed, it is placed in " recessed " shape electromagnetism
Caused by iron in field region, caused magnetic field force is vertical direction, " recessed " shape electromagnet and pedestal (such as：Pedestal 25) it is solid
Connect.More it is alternatively possible to by four " it is recessed " shape electromagnet and push-plate (such as：Push-plate 241) coordinate jointly, produce spacing work
With.
Specifically, the mechanical model of whole base can with as shown in figure 3, upper strata vibration isolator (such as：Second vibration isolator 22)
Using passive type vibration damping, its spring-damper (such as：Spring-damper 221) stiffness K1、K2Deng and damping C1、C2Etc. being
Constant；Lower floor's shock absorber (such as：Second vibration isolator 24) use active vibration damping.
Wherein, the operation principle of lower floor's shock absorber (i.e. lower floor's vibration isolator) can be with as shown in figure 4, using displacement transducer
(such as：Displacement transducer 27) be distributed in push-plate (such as：Push-plate 241) on real-time monitoring vibration displacement.Such as：When vibration is transmitted
To push-plate (such as：Push-plate 241) when, by displacement transducer (such as：Displacement transducer 27) monitoring push-plate (such as：Push-plate
241) vibration displacement, and by the vibration displacement signal monitored by comparator (such as：Comparator 28) after feed back to control
In device；Controller (such as：Controller 26) according to the size of vibration displacement signals-modulating electric current to change magnetic field intensity, so as to
With change each electromagnetism vibration isolator (such as：Second vibration isolator 24) equivalent stiffness Km1With equivalent damping Cm1, weaken vibration, make
Washing machine is more smoothly run.Meanwhile four electromagnetism vibration isolators can be separately controlled, it is big with tackling washing machine strength of one's legs
It is small to differ, vibrate different situations.
Wherein, can be included with changing magnetic field intensity according to the size of vibration displacement signals-modulating electric current：Work as vibration displacement
When signal is more than setting value, reduce electric current；Conversely, when vibration displacement signal is less than setting value, increase electric current.
So, by passively arranged in pairs or groups with active vibration damping in a semi-active type buoyant raft vibration insulating system (such as：By passive
Formula vibration-proof structure and active vibration damping structure matching form a semi-active type buoyant raft vibration insulating system) in, can be in different frequency
There is good vibration isolation and damping effect under vibration, adapt to Vibration Condition of the washing machine under different rotating speeds, reach good vibration damping
Noise reduction.
To sum up, technical scheme, the beneficial effect that can at least reach can include：
1) for being vibrated during washing machine operation, ground has obvious vibration sense, while noise is also larger, and influenceing user makes
The problems such as with experience and neighborhood relationship.In the present invention, base (i.e. vibration absorber) uses buoyant raft vibration isolation way, it is possible to reduce uses
During noise caused by the vibration and operation earthward transmitted, so as to be effectively reduced the transmission of vibration earthward with
And noise caused by operation.
Wherein, buoyant raft is a kind of vibration insulation and noise reduction device being applied on naval vessel, is a kind of special vibrating isolation system, its mechanism
It is the damping using buoyant raft device elastic element and intermediate mass, come the vibrational energy that controls and decay, makes shaking for naval vessel watchcase
It is dynamic to reduce.
2) in the present invention, by the effect in magnetic field in base, instead of traditional ground and the rigid contact of lower margin, can subtract
The lower margin damage that small rigid contact is brought, such as reduce traditional ground and damaged with the lower margin that lower margin rigid contact is brought.
3) in the present invention, buoyant raft vibration isolation is carried out by using base, can reduce vibration, reduced lower margin and damage, can be with
Reduce " walking about " phenomenon occur probability, as reduce washing machine it is common because horizontal vibration power more than lower margin frictional force and caused by
The probability that " walking about " phenomenon occurs.
4) in the present invention, by increasing the height of washing machine, clothing of conveniently taking, while conventional wash can be placed in base
Apparatus is washed, improves the convenience that life uses.Such as：Due to there is provided base, suitably adding the height of washing machine, conveniently taking
Take clothing so that user's use is more convenient；Further, article can also be placed in base, such as places washing implement,
So as to the convenience that further lifting user uses.
The processing and function realized by the device of the present embodiment essentially correspond to earlier figures 2 and the method shown in Fig. 3
Embodiment, principle and example, therefore not detailed part in the description of the present embodiment may refer to mutually speaking on somebody's behalf in previous embodiment
It is bright, it will not be described here.
Through substantial amounts of verification experimental verification, using technical scheme, by the effect in magnetic field in base, can reduce just
Property the lower margin damage that brings of contact, such as reduce the lower margin that traditional ground and lower margin rigid contact are brought and damage.
According to an embodiment of the invention, a kind of oscillation damping method of washing machine corresponding to washing machine is additionally provided.The laundry
The oscillation damping method of machine can include：
Step S110, by the spring-damper 221, caused vibration is run to the washing machine and carries out passive type
Vibration damping processing.
Step S120, by the electromagnetism vibration isolator, active vibration damping processing is carried out to the vibration.
Such as：Based on the principle of buoyant raft vibration isolation, there is good effectiveness in vibration suppression under each vibration frequency and rigidity, simultaneously
Using passively being arranged in pairs or groups with active damping mode in a buoyant raft vibration insulating system, with being adapted to washing machine strength of one's legs differ and
Vibration Condition under different rotating speeds, reach good effect of vibration and noise reduction.
Such as：By passively arranged in pairs or groups with active vibration damping in a semi-active type buoyant raft vibration insulating system (such as：By passive
Formula vibration-proof structure and active vibration damping structure matching form a semi-active type buoyant raft vibration insulating system) in, can be in different frequency
There is good vibration isolation and damping effect under vibration, adapt to Vibration Condition of the washing machine under different rotating speeds, reach good vibration damping
Noise reduction.
Such as：Base (i.e. vibration absorber) uses buoyant raft vibration isolation way, it is possible to reduce is earthward transmitted during use
Noise caused by vibration and operation, made an uproar so as to be effectively reduced caused by the transmission and operation of vibration earthward
Sound.
Thus, passive type and active vibration damping in combination are carried out by spring-damper and electromagnetism vibration isolator, are adapted to
The ground strength of one's legs of equipment to be damped differ and different rotating speeds etc. it is a variety of in the case of Vibration Condition, reach good vibration and noise reducing
Effect, and reliability is high, the comfortableness and convenience that user uses are good.
In an optional example, active vibration damping processing is carried out to the vibration in step S120, can be included：Work as institute
When pedestal 25 and the electromagnetism vibration isolator can also be included and can include push-plate 241 and electromagnet 242 by stating vibration absorber, in institute
When stating push-plate 241 with the vibration equipment to be damped, the magnetic fields of the magnetic field force are produced by the electromagnet 242, are kept away
Exempt from the rigid contact between the push-plate 241 and the pedestal 25.
Such as：Push-plate (such as：Push-plate 241) and raft body flat board (such as：Raft body 23) it is affixed, it is placed in " recessed " shape electromagnet
In caused field region, caused magnetic field force is vertical direction, " recessed " shape electromagnet and pedestal (such as：Pedestal 25) it is affixed.
Such as：By the effect in magnetic field in base, instead of traditional ground and the rigid contact of lower margin, rigidity can be reduced
The lower margin damage brought is contacted, such as reduces traditional ground and is damaged with the lower margin that lower margin rigid contact is brought.
Thus, being equipped with by push-plate and electromagnet, it is possible to achieve electromagnetism vibration isolation, simple in construction, control mode letter
Just, and reliability is high.
In an optional example, when four electromagnetism vibration isolators, corresponding foundation bolt is corresponding to the washing machine sets
When putting, by the synergy of push-plate 241 and electromagnet 242 in four electromagnetism vibration isolators, in the washing machine
The washing machine is carried out it is spacing, to avoid the washing machine from walking about phenomenon.
Such as：Can by four " it is recessed " shape electromagnet and push-plate (such as：Push-plate 241) coordinate jointly, produce spacing work
With the probability of the damage of reduction washing machine lower margin and the generation of " walking about " phenomenon.
Such as：Buoyant raft vibration isolation is carried out by using base, vibration can be reduced, reduces lower margin damage, can also reduce " to walk
It is dynamic " probability that occurs of phenomenon, as reduce washing machine it is common because of horizontal vibration power more than lower margin frictional force and caused by " walk about "
The probability that phenomenon occurs.
Thus, can be to be damped by the electromagnetism vibration isolator set corresponding to each foundation bolt of equipment to be damped
Each ground strength of one's legs of equipment carries out vibration damping, so as to realize the position-limiting action for treating dampening apparatus, avoids the equipment to be damped
Walk about phenomenon, be advantageous to improve effect of vibration and noise reduction, also help lifting equipment reliability of operation to be damped.
In an optional embodiment, it can also include：The size of the electromagnetic force of electromagnetism vibration isolator is controlled
Process.
Specifically, the process being controlled to the size of the electromagnetic force of electromagnetism vibration isolator, can include：
Step S210, the vibration displacement of the electromagnetism vibration isolator is obtained.
Step S220, in the case where the vibration displacement is more than or equal to setting displacement, the electromagnetism vibration isolator is turned down
Input current；In the case where the vibration displacement is less than the setting displacement, the input electricity of the electromagnetism vibration isolator is tuned up
Stream.
Such as：The mechanical model of whole base can with as shown in figure 3, upper strata vibration isolator (such as：Second vibration isolator 22) adopt
With passive type vibration damping, its spring-damper (such as：Spring-damper 221) stiffness K1、K2Deng and damping C1、C2Etc. being normal
Amount；Lower floor's shock absorber (such as：Second vibration isolator 24) use active vibration damping.
Wherein, the operation principle of lower floor's shock absorber (i.e. lower floor's vibration isolator) can be with as shown in figure 4, using displacement transducer
(such as：Displacement transducer 27) be distributed in push-plate (such as：Push-plate 241) on real-time monitoring vibration displacement.Such as：When vibration is transmitted
To push-plate (such as：Push-plate 241) when, by displacement transducer (such as：Displacement transducer 27) monitoring push-plate (such as：Push-plate
241) vibration displacement, and by the vibration displacement signal monitored by comparator (such as：Comparator 28) after feed back to control
In device；Controller (such as：Controller 26) according to the size of vibration displacement signals-modulating electric current to change magnetic field intensity, so as to
With change each electromagnetism vibration isolator (such as：Second vibration isolator 24) equivalent stiffness Km1With equivalent damping Cm1, weaken vibration, make
Washing machine is more smoothly run.
Thus, set, the magnetic field force size of electromagnetism vibration isolator can entered by the adaptation of displacement transducer and controller
Row control, with according to Vibration Condition regulate and control electromagnetism vibration isolator input current, so as to more precisely, more stably carry out vibration damping
Noise reduction process.
In an optional example, when the quantity of the electromagnetism vibration isolator is more than one, institute is obtained in step S210
The vibration displacement of electromagnetism vibration isolator is stated, can be included：Obtain each vibration displacement of each electromagnetism vibration isolator.Step S220
In control to the input current of the electromagnetism vibration isolator, can include：According to each vibration displacement, to each electricity
The corresponding input current of magnetic vibration isolator is individually controlled.
Such as：Four electromagnetism vibration isolators can be separately controlled, with tackling washing machine strength of one's legs it is not of uniform size, vibration
Different situations.
Thus, by individually being controlled each electromagnetism vibration isolator, it can be lifted and treat the control of dampening apparatus vibration damping
Accuracy and stability.
In an optional embodiment, process that the size based on the electromagnetic force to electromagnetism vibration isolator is controlled, also
It can include：The process being compared to vibration displacement and setting displacement.
Specifically, the process being compared to vibration displacement and setting displacement, can include：To the vibration displacement and institute
State setting displacement to be compared, to determine the vibration displacement and the magnitude relationship of the setting displacement.
Thus, vibration displacement and setting displacement are compared by comparator, processing mode is easy, and result is reliable
Property it is high.
The processing and function realized by the oscillation damping method of the washing machine of the present embodiment essentially correspond to aforementioned washing machine
Embodiment, principle and example, therefore not detailed part in the description of the present embodiment may refer to mutually speaking on somebody's behalf in previous embodiment
It is bright, it will not be described here.
Through substantial amounts of verification experimental verification, using technical scheme, buoyant raft vibration isolation is carried out by using base, can be dropped
Low vibration, reduce lower margin damage, the probability of " walking about " phenomenon generation can also be reduced, it is common because level is shaken such as to reduce washing machine
Power is more than the probability of lower margin frictional force and the generation of caused " walking about " phenomenon.
To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly
Combined, be superimposed by ground.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (14)
- A kind of 1. vibration absorber, it is characterised in that including：First vibration isolator (22), raft body (23) and the second vibration isolator (24)；Institute The first vibration isolator (22) and second vibration isolator (24) are stated, is respectively arranged at the both sides of the raft body (23)；Wherein,One in first vibration isolator (22) and second vibration isolator (24), including：Spring-damper (221)；It is described Spring-damper (221), for treating vibration progress passive type vibration damping processing caused by dampening apparatus operation；Another in first vibration isolator (22) and second vibration isolator (24), including：Electromagnetism vibration isolator；The electromagnetism Vibration isolator, for carrying out active vibration damping processing to the vibration.
- 2. device according to claim 1, it is characterised in that wherein,The quantity of first vibration isolator (22) is more than one；And/orThe quantity of second vibration isolator (24) is more than one；And/orWhen the vibration absorber is placed vertically, if the spring-damper (221) is located at upper strata, the electromagnetism vibration isolator Positioned at lower floor；If the spring-damper (221) is located at lower floor, the electromagnetism vibration isolator is located at upper strata.
- 3. device according to claim 1 or 2, it is characterised in that also include；In apparatus connecting unit (21) and pedestal (25) At least one of；Wherein,The apparatus connecting unit (21), side of first vibration isolator (22) away from the raft body (23) is arranged at, for institute State the contact or connection between the first vibration isolator (22) and the equipment to be damped；The pedestal (25), side of second vibration isolator (24) away from the raft body (23) is arranged at, for described second Contact or connection between vibration isolator (24) and the matrix in the equipment local environment to be damped；Wherein, described matrix, bag Include：Any one in ground, wall and other fixed structures.
- 4. device according to claim 3, it is characterised in that wherein,The apparatus connecting unit (21), including：At least one of integral type connecting portion, split type connecting portion；When the equipment When connecting portion (21) includes split type connecting portion, the quantity of the split type connecting portion and the quantity of first vibration isolator (22) Unanimously；And/orThe raft body (23), including：At least one of integral type raft body, split type raft body；When the raft body (23) includes dividing During body formula raft body, the quantity of the split type raft body, meet to set first vibration isolator (22) and second vibration isolation simultaneously Requirement during device (24)；And/orThe pedestal (25), including：At least one of integral type pedestal, Separated base；When the pedestal (25) includes dividing During body type base, the quantity of the Separated base is consistent with the quantity of second vibration isolator (24)；And/orThe apparatus connecting unit (21), first vibration isolator (22), the raft body (23), second vibration isolator (24), institute The thickness or height of at least one of pedestal (25) are stated, can be adjusted according to use demand.
- 5. according to the device described in one of claim 1-4, it is characterised in that the electromagnetism vibration isolator, including：Push-plate (241) With electromagnet (242)；Wherein,One end of the push-plate (241), it is installed on the raft body (23)；The other end of the push-plate (242), is placed in the electricity In the field region that magnetic field force produced by magnet (242) is formed；When the vibration absorber also includes pedestal (25), the electromagnet (242), the pedestal (25) is installed on, for producing The raw magnetic field force, when the push-plate (241) is with the vibration equipment to be damped, to be made by the magnetic field of the magnetic field force With avoiding the rigid contact between the push-plate (241) and the pedestal (25).
- 6. device according to claim 5, it is characterised in that wherein,The structure of the push-plate (241), including：First connector, intermediate connector and the second connector；Wherein,First connector, it is connected to the raft body (23)；Second connector, it is placed in the field region of the electromagnet (242)；The intermediate connector, it is connected between first connector and second connector, and is connected with described first Part and second connector form zigzag configuration；And/orThe structure of the electromagnet (242), including：In concave structure, half I-shape construction, arcuate structure, C-shaped configuration at least One of；And/orThe direction of magnetic field force caused by the electromagnet (242), perpendicular to plane where the raft body (23).
- 7. device according to claim 6, it is characterised in that wherein,In the zigzag configuration,First connector and second connector be arranged in parallel, and the intermediate connector is perpendicular to first connector Set with second connector；And/orWhen second vibration isolator (24) include the quantity of electromagnetism vibration isolator and second vibration isolator (24) with it is described to be damped When the quantity of the foundation bolt of equipment is identical, each second vibration isolator (24), the corresponding lower margin to the equipment to be damped Bolt is correspondingly arranged, for push-plate (241) and the electromagnet described in second vibration isolator (24) by the quantity (242) synergy, the equipment to be damped is carried out in the vibration equipment to be damped spacing.
- 8. according to the device described in one of claim 1-7, it is characterised in that also include：Displacement transducer (27) and controller (26)；Wherein,Institute's displacement sensors (27), for obtaining the vibration displacement of the electromagnetism vibration isolator；The controller (26), in the case of being more than or equal to setting displacement in the vibration displacement, turn the electromagnetism down The input current of vibration isolator；In the case where the vibration displacement is less than the setting displacement, the electromagnetism vibration isolator is tuned up Input current.
- 9. device according to claim 8, it is characterised in that wherein,Also include：Comparator (28)；The comparator (28), for being compared to the vibration displacement and the setting displacement, to determine the vibration position Move the magnitude relationship with the setting displacement；And/orWhen the electromagnetism vibration isolator includes push-plate (241) and electromagnet (242),Institute's displacement sensors (27), it is distributed on the push-plate (241)；The input current of the electromagnetism vibration isolator, it is that the electric current for producing electromagnetic force is inputted and be used for the electromagnet (242)；And/orWhen the quantity of the electromagnetism vibration isolator is more than one,The quantity of institute's displacement sensors (27) is consistent with the quantity of the electromagnetism vibration isolator；Wherein,Each institute's displacement sensors (27), for obtaining each vibration displacement of each electromagnetism vibration isolator；Control of the controller (26) to the input current of the electromagnetism vibration isolator, including：According to each vibration displacement, The corresponding input current of each electromagnetism vibration isolator is individually controlled.
- A kind of 10. washing machine, it is characterised in that including：Vibration absorber as claimed in any one of claims 1-9 wherein；The vibration absorber, the bottom of the washing machine (2) is installed on, the base (1) as the washing machine (2)；Wherein, when the quantity of second vibration isolator (24) is four, four second vibration isolators (24), with the laundry Four foundation bolts of motor spindle are correspondingly arranged.
- A kind of 11. oscillation damping method of washing machine as claimed in claim 10, it is characterised in that including：By the spring-damper (221), caused vibration is run to the washing machine and carries out passive type vibration damping processing；By the electromagnetism vibration isolator, active vibration damping processing is carried out to the vibration.
- 12. according to the method for claim 11, it is characterised in that active vibration damping processing is carried out to the vibration, including：When the vibration absorber also includes push-plate (241) and electromagnet (242) including pedestal (25) and the electromagnetism vibration isolator When, when the push-plate (241) is with the vibration equipment to be damped, the magnetic field force is produced by the electromagnet (242) Magnetic fields, avoid the rigid contact between the push-plate (241) and the pedestal (25)；And/orIt is described by four when four electromagnetism vibration isolators foundation bolt corresponding to the washing machine is correspondingly arranged The synergy of push-plate (241) and electromagnet (242) in electromagnetism vibration isolator, is limited the washing machine in the washing machine Position.
- 13. the method according to claim 11 or 12, it is characterised in that also include：Obtain the vibration displacement of the electromagnetism vibration isolator；In the case where the vibration displacement is more than or equal to setting displacement, the input current of the electromagnetism vibration isolator is turned down； In the case that the vibration displacement is less than the setting displacement, the input current of the electromagnetism vibration isolator is tuned up.
- 14. according to the method for claim 13, it is characterised in that wherein,Also include：The vibration displacement and the setting displacement are compared, to determine that the vibration displacement sets the big of displacement with described Small relation；And/orWhen the quantity of the electromagnetism vibration isolator is more than one,The vibration displacement of the electromagnetism vibration isolator is obtained, including：Obtain each vibration displacement of each electromagnetism vibration isolator；Control to the input current of the electromagnetism vibration isolator, including：According to each vibration displacement, to each electromagnetism The corresponding input current of vibration isolator is individually controlled.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071634.6A CN107881707A (en) | 2017-11-03 | 2017-11-03 | A kind of vibration absorber, washing machine and its oscillation damping method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711071634.6A CN107881707A (en) | 2017-11-03 | 2017-11-03 | A kind of vibration absorber, washing machine and its oscillation damping method |
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| CN107881707A true CN107881707A (en) | 2018-04-06 |
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| CN201711071634.6A Pending CN107881707A (en) | 2017-11-03 | 2017-11-03 | A kind of vibration absorber, washing machine and its oscillation damping method |
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| CN (1) | CN107881707A (en) |
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Application publication date: 20180406 |