CN106757991B - Rotary drum washing machine and its vibration control method - Google Patents
Rotary drum washing machine and its vibration control method Download PDFInfo
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- CN106757991B CN106757991B CN201510835524.7A CN201510835524A CN106757991B CN 106757991 B CN106757991 B CN 106757991B CN 201510835524 A CN201510835524 A CN 201510835524A CN 106757991 B CN106757991 B CN 106757991B
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- washing machine
- rotary drum
- drum washing
- damper
- revolving speed
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- 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
- D06F37/24—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 vertical 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
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- D06F37/203—
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- D06F2202/065—
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- D06F2204/10—
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The present invention relates to a kind of rotary drum washing machine and its vibration control methods.Specifically, the present invention provides a kind of vibration control method of rotary drum washing machine, which includes casing, the outer cylinder being set in casing and the inner cylinder being rotatably supported in outer cylinder, and outer cylinder is by MR damper support in casing.MR damper is configured to controllably generate the damping being inversely proportional with the revolving speed of inner cylinder during the drying of rotary drum washing machine, to inhibit the vibration of outer cylinder.The vibration control method of rotary drum washing machine includes: the revolving speed for obtaining inner cylinder in real time during the drying of rotary drum washing machine；The damping for adjusting MR damper in real time according to the revolving speed of inner cylinder makes the revolving speed of itself and inner cylinder be inversely proportional, to inhibit the vibration of outer cylinder.Rotary drum washing machine and its control method of the invention can more targetedly increased or decrease damping, weaken or avoid the vibration of outer cylinder, and then avoid outer cylinder vibration that rotary drum washing machine is caused integrally to resonate.
Description
Technical field
The present invention relates to household electrical appliance, more particularly to a kind of rotary drum washing machine and its vibration control method.
Background technique
Currently, common roller washing machine generally includes casing, the outer cylinder that is set in casing, is set to outer cylinder on the market
In roller and for outer cylinder carry out vibrationproof bearing damper, to reduce outer cylinder by the damper with the rotation of roller
Then the vibration generated.Also, damper in the prior art changed magnetic current using the sticky variation with magnetic field
Become liquid (so-called MR fluid) and improves vibrationproof performance.For example, (such as can be got rid of at a high speed according to the different operational process of roller washing machine
Dry, low speed drying, low speed washing etc.), the stepping of the size of current realization damper output damping of damper is passed through by changing
It adjusts.For another example can be by directly detecting the Vibration Condition of outer cylinder, and the electric current for being passed through damper is adjusted according to the Vibration Condition
Size is adjusted with the stepping for realizing damper output damping.
However, not yet occurring the technical side of the outer cylinder vibration in effective inhibition rotary drum washing machine in the prior art
Case.
Summary of the invention
Designer of the invention is by deep analysis and careful the study found that due to roller washing machine and impeller laundry
The arrangement of the inner/outer tube of machine it is different (inner/outer tube of roller washing machine arranges along horizontally tilted direction, rotary drum washing machine it is inside and outside
Cylinder is arranged in a vertical direction), and durings washing and rinsing etc., the inner cylinder of rotary drum washing machine does not rotate, the impeller in inner cylinder
For the positive and negative rotation process of speed change.Therefore, the Vibration Condition of its outer cylinder and oscillatory property are all different when two kinds of washing machine operations.With
The installation site and orientation of damper in rotary drum washing machine and the damper for roller washing machine in washer cabinet
It is entirely different.Therefore, the vibration control of rotary drum washing machine needs those skilled in the art to pay non-obvious creative work
Make, it is impossible to which the vibration control method for being used for roller washing machine is applied in rotary drum washing machine.Moreover designer of the invention
It is noted that in practical applications, the vibration control scheme for roller washing machine is not suitable for rotary drum washing machine substantially yet.
For this purpose, a purpose of first aspect present invention is intended to overcome at least one defect in the prior art, one is provided
The vibration control method of the practicable rotary drum washing machine of kind.
Another purpose of first aspect present invention is to keep the vibration control method of rotary drum washing machine simpler, effective.
The purpose of second aspect of the present invention is to provide a kind of rotary drum washing machine.
According to the first aspect of the invention, the present invention provides a kind of vibration control method of rotary drum washing machine, the impeller
Washing machine includes casing, the outer cylinder being set in the casing and the inner cylinder being rotatably supported in the outer cylinder, described outer
By MR damper support in the casing, the vibration control method includes: cylinder
Obtain the revolving speed of the inner cylinder in real time during the drying of the rotary drum washing machine；With
The damping for adjusting the MR damper in real time according to the revolving speed of the inner cylinder makes the revolving speed of itself and the inner cylinder
It is inversely proportional, to inhibit the vibration of the outer cylinder.
Optionally, the operation for adjusting the damping of the MR damper in real time according to the revolving speed of the inner cylinder includes:
Adjust the damping of the MR damper in real time by the size of current that change flows through the MR damper；
Wherein
The revolving speed for flowing through the electric current and the inner cylinder of the MR damper is inversely proportional.
Optionally, the rotary drum washing machine further includes the driving mechanism with motor and transmission component, to drive in described
Cylinder rotation；And
The revolving speed of the inner cylinder is obtained by the revolving speed of the motor or characterization.
Optionally, the operation for obtaining the revolving speed of the inner cylinder in real time includes:
The pulse signal that the Hall line on the motor generates is acquired in real time；With
The revolving speed of the motor is calculated according to the period of the pulse signal.
Optionally, before the operation for the revolving speed for obtaining the inner cylinder in real time during the drying of the rotary drum washing machine also
Include:
Reception is used to indicate the enabling signal that the rotary drum washing machine brings into operation；
Obtain the operational process of the rotary drum washing machine；With
Judge whether the rotary drum washing machine is in drying process.
Optionally, the vibration control method further include:
If the rotary drum washing machine is in other operational process in addition to drying process, by the MR damper
Damping control be a preset steady state value.
Optionally, include: by the operation that the damping control of the MR damper is a preset steady state value
A preset rated current is exported to the MR damper.
According to the second aspect of the invention, the present invention also provides a kind of rotary drum washing machines, including casing, are set to the machine
Outer cylinder in shell and the inner cylinder being rotatably supported in the outer cylinder, the outer cylinder is by MR damper support in the machine
In shell,
The MR damper be configured to during the drying of the rotary drum washing machine controllably to generate with it is described interior
The damping that the revolving speed of cylinder is inversely proportional, to inhibit the vibration of the outer cylinder.
Optionally, the MR damper is configured to other fortune in addition to drying process in the rotary drum washing machine
A constant damping is controllably generated during row.
Optionally, the MR damper has the coil for generating magnetic field, and the MR damper is interior
Portion is filled with magnetorheological fluid, adjusts the resistance of the MR damper in real time with the size of current for flowing through the coil by change
Buddhist nun.
Designer's discovery of the invention, during the drying of rotary drum washing machine, no any vibration reducing measure the case where
Under, the revolving speed of inner cylinder is smaller, and the vibration of outer cylinder is more violent；The revolving speed of inner cylinder is bigger, and the vibration of outer cylinder is weaker.Therefore, of the invention
Rotary drum washing machine vibration control method in, according to rotary drum washing machine be in drying during inner cylinder rotational speed regulation magnetic current
The damping of variable damping device makes it be inversely proportional with inner cylinder revolving speed, to more targetedly increased or decrease damping, weaken or keep away
Exempt from the vibration of outer cylinder, and then avoids outer cylinder vibration that rotary drum washing machine is caused integrally to resonate.
Further, in vibration control method of the invention, the size of current tune of MR damper is flowed through by changing
The damping for saving its output, makes the revolving speed of itself and inner cylinder be inversely proportional, simple and easy, and the response time pole damped by current regulation
It is short, be conducive to adjust in real time, significant effect.
Further, in vibration control method of the invention, the revolving speed of inner cylinder can be obtained or be characterized by the revolving speed of motor,
The revolving speed of motor is easily obtained and can accurately characterize the current revolving speed of inner cylinder, therefore, vibration control method tune of the invention
Section precision is high, adjustment speed is fast, significant effect.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of rotary drum washing machine according to an embodiment of the invention；
Fig. 2 is the schematic diagram of the MR damper of rotary drum washing machine according to an embodiment of the invention；
Fig. 3 is the schematic flow chart of the vibration control method of rotary drum washing machine according to an embodiment of the invention；
Fig. 4 is the schematic flow of the vibration control method of rotary drum washing machine according to another embodiment of the invention
Figure.
Specific embodiment
The embodiment of the present invention provides a kind of rotary drum washing machine, and Fig. 1 is impeller laundry according to an embodiment of the invention
The schematic diagram of machine.Rotary drum washing machine 1 may include casing 10, the outer cylinder being set in casing 10 20 and rotatably support
Inner cylinder 30 in outer cylinder 20.Outer cylinder 20 by 70 support of MR damper in casing 10, the number of MR damper 70
It can be one or more.In further embodiment of the present invention, rotary drum washing machine 1 may include being evenly distributed on around outer cylinder 20
Four MR dampers 70, smoothly to support outer cylinder 20.
Particularly, MR damper 70 is configured to during the drying of rotary drum washing machine 1 controllably to generate and inner cylinder
The damping that 30 revolving speed is inversely proportional, to inhibit the vibration of outer cylinder 20.That is, during the drying of rotary drum washing machine 1, magnetic
The revolving speed of damping and inner cylinder 30 that rheological damper 70 generates is inversely proportional, to more targetedly inhibit the vibration of outer cylinder 20.
Further, MR damper 70 is configured to other fortune in addition to drying process in rotary drum washing machine 1
A constant damping is controllably generated during row.That is, in other fortune in addition to drying process of rotary drum washing machine 1
During row, the damping that MR damper 70 generates is invariable.Other operational process mentioned here can for example wrap
Include the process of washing, rinsing, draining or other non-dryings.
In some embodiments of the invention, rotary drum washing machine 1 further includes the driving mechanism for driving inner cylinder 30 to rotate
40.Driving mechanism has motor 41 and transmission component 42, to drive inner cylinder 30 to rotate.Further, driving mechanism 40 is also used to
The impeller 31 being arranged in inner cylinder 30 is driven to rotate.Driving mechanism 40 may be disposed at below the bottom wall 20a of outer cylinder 20, driving mechanism
40 rotation mandrel protrudes into inner cylinder 30 from the lower section of outer cylinder 20, to drive impeller 31 to rotate.Rotation mandrel is by under outer cylinder 20
Side passes through outer cylinder bottom wall 20a and inner cylinder bottom wall 30a directly with 31 shape of impeller in inner cylinder 30 with connection.The outer cover of rotation mandrel
Equipped with rotary axle box, rotary axle box from the lower section of outer cylinder 20 extends upwardly to the bottom wall 30a of inner cylinder 30 or close to the bottom of inner cylinder 30
Wall 30a, directly or indirectly to drive inner cylinder 30 to rotate.
Fig. 2 is the schematic diagram of the MR damper of rotary drum washing machine according to an embodiment of the invention.?
In some embodiments of the present invention, MR damper 70 has the coil 731 for generating magnetic field, and MR damper 70
Inside be filled with magnetorheological fluid, with by change flowing through coil 731 size of current adjust MR damper 70 in real time
Damping.Specifically, MR damper 70 can be the damper of derrick type.MR damper 70 includes cylinder body 71, sunpender
Portion 72 and the piston 73 in cylinder body 71, coil 731 are located in piston 73.It defines in cylinder body 71 for containing magnetorheological fluid
Cavity, the upper end of cylinder body 71 is fixed on the damper mounting portion 21 (referring to Fig. 1) being set on outer cylinder 20, the lower end of cylinder body 71
It is exposed in the space between casing 10 and outer cylinder 20.The top in sunpender portion 72 is by the lower end insertion cylinder body 71 of cylinder body 71 and through cylinder
The upper end of body 71 is pierced by, and the top in sunpender portion 72 is fixed on casing 10, and sunpender portion 72 can be in cylinder body 71 along its axial direction side
To reciprocating motion.The fixation of piston 73 is set in sunpender portion 72, and has the fluid course 732 to circulate for magnetorheological fluid.?
That is piston 73 is located in the cavity in cylinder body 71, when magnetorheological fluid flows through fluid course 732, by changing input line
The size of current of circle 731 changes the viscosity of magnetorheological fluid, to change the drag size that piston 73 moves in cylinder body 71.By
This, in the case that inner cylinder 30 has different rotating speeds during the drying of rotary drum washing machine 1, MR damper 70 be can provide
Different friction damping forces.
The MR damper 70 of above structure is very fast according to its response speed for damping size of 30 rotational speed regulation of inner cylinder, has
Conducive to the real-time adjusting of damping；And effective isolation can be generated to the vibration of outer cylinder 20, it is unlikely to that vibration is made to be transmitted to casing
Come on 10, to weaken the amplitude of casing 10, guarantees even running of the rotary drum washing machine 1 in various operational process.
Further, the distance of the bottom end in sunpender portion 72 to piston 73 can be greater than the axial length of the cavity of cylinder body 71.It hangs
It is provided with spring 74 on the section between its bottom end and the lower end of cylinder body 71 of bar portion 72, it is reciprocal in order to sunpender portion 72
Movement.
The embodiment of the present invention also provides a kind of vibration control method of rotary drum washing machine, is suitable for any of the above-described embodiment
In the vibration of rotary drum washing machine 1 controlled.
Fig. 3 is the schematic flow chart of the vibration control method of rotary drum washing machine according to an embodiment of the invention.
The vibration control method of the embodiment of the present invention includes:
Step S501 obtains the revolving speed of inner cylinder 30 in real time during the drying of rotary drum washing machine 1；
Step S502 adjusts the damping of MR damper 70 according to the revolving speed of inner cylinder 30 in real time, makes itself and inner cylinder 30
Revolving speed is inversely proportional, to inhibit the vibration of outer cylinder 20.
Designer's discovery of the invention, during the drying of rotary drum washing machine 1, no any vibration reducing measure the case where
Under, the revolving speed of inner cylinder 30 is smaller, and the vibration of outer cylinder 20 is more violent；The revolving speed of inner cylinder 30 is bigger, and the vibration of outer cylinder 20 is weaker.Cause
This, in the vibration control method of rotary drum washing machine of the invention, is in the inner cylinder 30 during drying according to rotary drum washing machine 1
The damping of rotational speed regulation MR damper 70 makes it be inversely proportional with 30 revolving speed of inner cylinder, thus more targetedly increase or
Reduce damping, weaken or avoid the vibration of outer cylinder 20, and then avoids the vibration of outer cylinder 20 that rotary drum washing machine 1 is caused integrally to resonate.
In some embodiments of the invention, the damping of MR damper 70 is adjusted in real time according to the revolving speed of inner cylinder 30
Operation includes:
Adjust the damping of MR damper 70 in real time by the size of current that change flows through MR damper 70；Wherein
The revolving speed for flowing through the electric current and inner cylinder 30 of MR damper 70 is inversely proportional.
Vibration control method of the invention adjusts its output by the size of current that change flows through MR damper 70
Damping, it is simple and easy and extremely short by the response time that current regulation damps, be conducive to adjust in real time, significant effect.
In some embodiments of the invention, rotary drum washing machine 1 is in during drying, and the revolving speed of inner cylinder 30 can pass through drive
The revolving speed of the motor of motivation structure 40 obtains or characterization.Since the motor 41 of driving mechanism 40 drives the rotary axle box of driving mechanism to turn
It is dynamic, and rotary axle box directly or indirectly drives inner cylinder 30 to rotate, therefore deposits between the revolving speed of motor 41 and the revolving speed of inner cylinder 30
In proportional relation, the revolving speed of inner cylinder 30 can be calculated by the revolving speed of motor 41, or is directly characterized with the revolving speed of motor 41 interior
The revolving speed of cylinder 30.
In vibration control method of the invention, the revolving speed of inner cylinder 30 can be obtained or be characterized, motor by the revolving speed of motor 41
41 revolving speed is easily obtained and can accurately characterize the current revolving speed of inner cylinder 30, therefore, vibration control method tune of the invention
Section precision is high, adjustment speed is fast, significant effect.
Further, the operation of the revolving speed of acquisition inner cylinder 30 includes: in real time
The pulse signal that Hall line in motor in real time 41 generates；With
The revolving speed of motor is calculated according to the period of pulse signal.
The motor 41 that rotary drum washing machine 1 uses is brushless motor, when rotary drum washing machine 1 is in drying process, motor 41
Rotation can generate vibration and noise, and the Hall line on motor 41 can generate pulse signal.Control device (the example of rotary drum washing machine 1
Such as single-chip microcontroller) by detect pulse signal cycle time calculate the current revolving speed of motor.It can be seen that the revolving speed of motor 41
It is simple and easy to get, keep vibration control method of the invention simpler.
The control circuit of rotary drum washing machine 1 may also include the pwm circuit being electrically connected with control device and and magnetorheological damping
The current driver that device 70 is electrically connected.Control device calculated according to the current revolving speed of motor 41 be applied to it is best on outer cylinder 20
Size is damped, then issues the control signal for characterizing the damping size to pwm circuit, and passes through current driver to magnetic current variable resistance
Buddhist nun's device 70 exports electric current of corresponding size.
Fig. 4 is the schematic flow of the vibration control method of rotary drum washing machine according to another embodiment of the invention
Figure.In other embodiments of the invention, the behaviour of the revolving speed of inner cylinder 30 is obtained in real time during the drying of rotary drum washing machine 1
Before work further include:
Reception is used to indicate the enabling signal that rotary drum washing machine 1 brings into operation；
Obtain the work operational process of rotary drum washing machine 1；
Judge rotary drum washing machine 1 whether in drying process.
That is, in other embodiments of the invention, the vibration control method of rotary drum washing machine 1 includes:
Step S601, reception are used to indicate the enabling signal that rotary drum washing machine 1 brings into operation；
Step S602 obtains the operational process of rotary drum washing machine 1,；
Whether step S603 judges rotary drum washing machine 1 in drying process；
Step S604 obtains the revolving speed of inner cylinder 30 if rotary drum washing machine 1 is in drying process in real time；
Step S605 adjusts the damping of MR damper 70 according to the revolving speed of inner cylinder 30 in real time, makes itself and inner cylinder 30
Revolving speed is inversely proportional.
Further, vibration control method of the invention may also include that
Step S606, if rotary drum washing machine 1 is in other operational process in addition to drying process, by magnetorheological damping
The damping control of device 70 is a preset steady state value.
Designer's discovery of the invention, during other of rotary drum washing machine 1, the revolving speed of inner cylinder 30 is zero, inner cylinder 30
In 31 revolving speed of impeller it is lower, and the direction of rotation of impeller 31 is not unique, only need to apply to outer cylinder 20 at this time one it is preset
I.e. can avoid it generates violent vibration to constant damping, and 31 revolving speed of impeller can be characterized by eliminating to obtain 31 revolving speed of impeller or obtain
Other data process.The constant damping that MR damper 70 exports can join according to type, capacity of rotary drum washing machine 1 etc.
Number is especially set.
Further, include: by the operation that the damping control of MR damper 70 is a preset steady state value
A preset rated current is exported to MR damper 70.
That is, after rotary drum washing machine 1 brings into operation, it, can be straight as long as rotary drum washing machine 1 is in non-drying state
It connects to MR damper 70 and inputs a preset rated current.The rated current can type, capacity according to rotary drum washing machine 1
Etc. parameters set.
It will be understood by those skilled in the art that the acquisition of motor speed is not limited to mode given by above-described embodiment, also
It can be obtained by other suitable modes.When rotary drum washing machine 1 is in drying process, the acquisition of inner cylinder revolving speed or characterization are simultaneously unlimited
In motor speed, can also obtained in such a way that sensor directly detects inner cylinder revolving speed or other channels obtain.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of vibration control method of rotary drum washing machine, the rotary drum washing machine includes casing, is set in the casing
Outer cylinder and the inner cylinder being rotatably supported in the outer cylinder, the outer cylinder by MR damper support in the casing,
It is characterized in that, the vibration control method includes:
Obtain the revolving speed of the inner cylinder in real time during the drying of the rotary drum washing machine；With
The damping for adjusting the MR damper in real time according to the revolving speed of the inner cylinder makes its revolving speed with the inner cylinder at anti-
Than to inhibit the vibration of the outer cylinder.
2. vibration control method according to claim 1, which is characterized in that
Include: according to the operation that the revolving speed of the inner cylinder adjusts the damping of the MR damper in real time
Adjust the damping of the MR damper in real time by the size of current that change flows through the MR damper；Wherein
The revolving speed for flowing through the electric current and the inner cylinder of the MR damper is inversely proportional.
3. vibration control method according to claim 2, which is characterized in that
The rotary drum washing machine further includes the driving mechanism with motor and transmission component, to drive the inner cylinder to rotate；And
The revolving speed of the inner cylinder is obtained by the revolving speed of the motor or characterization.
4. vibration control method according to claim 3, which is characterized in that
The operation for obtaining the revolving speed of the inner cylinder in real time includes:
The pulse signal that the Hall line on the motor generates is acquired in real time；With
The revolving speed of the motor is calculated according to the period of the pulse signal.
5. vibration control method according to claim 1, which is characterized in that
Before the operation for the revolving speed for obtaining the inner cylinder in real time during the drying of the rotary drum washing machine further include:
Reception is used to indicate the enabling signal that the rotary drum washing machine brings into operation；
Obtain the operational process of the rotary drum washing machine；With
Judge whether the rotary drum washing machine is in drying process.
6. vibration control method according to claim 5, which is characterized in that further include:
If the rotary drum washing machine is in other operational process in addition to drying process, by the resistance of the MR damper
Buddhist nun's control is a preset steady state value.
7. vibration control method according to claim 6, which is characterized in that
Include: by the operation that the damping control of the MR damper is a preset steady state value
A preset rated current is exported to the MR damper.
8. a kind of rotary drum washing machine, including casing, the outer cylinder being set in the casing and it is rotatably supported in the outer cylinder
In inner cylinder, the outer cylinder is by MR damper support in the casing, which is characterized in that
The MR damper is configured to controllably generate and the inner cylinder during drying of the rotary drum washing machine
The damping that revolving speed is inversely proportional, to inhibit the vibration of the outer cylinder.
9. rotary drum washing machine according to claim 8, which is characterized in that
The MR damper be configured in other operational process in addition to drying process of the rotary drum washing machine by
Control ground generates a constant damping.
10. rotary drum washing machine according to claim 8, which is characterized in that
The MR damper has the coil for generating magnetic field, and the inside of the MR damper is filled with magnetic current
Become liquid, adjusts the damping of the MR damper in real time with the size of current for flowing through the coil by change.
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| CN201510835524.7A CN106757991B (en) | 2015-11-25 | 2015-11-25 | Rotary drum washing machine and its vibration control method |
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| CN201510835524.7A CN106757991B (en) | 2015-11-25 | 2015-11-25 | Rotary drum washing machine and its vibration control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108286169B (en) * | 2017-11-28 | 2021-09-21 | 珠海格力电器股份有限公司 | Washing machine vibration reduction system, washing machine, vibration detection method and control method |
| JP7260404B2 (en) * | 2019-06-07 | 2023-04-18 | 日立グローバルライフソリューションズ株式会社 | drum washing machine |
| CN111235823A (en) * | 2020-01-16 | 2020-06-05 | 长虹美菱股份有限公司 | Active dehydration control method based on magnetorheological damper |
| CN112921587A (en) * | 2021-01-08 | 2021-06-08 | 珠海格力电器股份有限公司 | Washing machine and damping control method and system thereof |
| KR20240009282A (en) * | 2022-07-13 | 2024-01-22 | 삼성전자주식회사 | Washing machine and controlling method for the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003240050A (en) * | 2002-02-15 | 2003-08-27 | Mitsubishi Electric Corp | Anti-vibration device, and washing machine having it |
| JP5624342B2 (en) * | 2010-03-15 | 2014-11-12 | 株式会社東芝 | Drum washing machine |
| CN102162499B (en) * | 2011-03-04 | 2016-03-30 | 海尔集团公司 | A kind of damping changing impact damper and use the roller washing machine of this vibration damper |
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