WO2019161737A1 - 一种多筒洗衣机的脱水控制方法及洗衣机 - Google Patents

一种多筒洗衣机的脱水控制方法及洗衣机 Download PDF

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Publication number
WO2019161737A1
WO2019161737A1 PCT/CN2019/074329 CN2019074329W WO2019161737A1 WO 2019161737 A1 WO2019161737 A1 WO 2019161737A1 CN 2019074329 W CN2019074329 W CN 2019074329W WO 2019161737 A1 WO2019161737 A1 WO 2019161737A1
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Prior art keywords
washing
washing tub
tub
rotational speed
dehydration
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PCT/CN2019/074329
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English (en)
French (fr)
Inventor
李文伟
常园园
衣少磊
王金凯
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青岛海尔滚筒洗衣机有限公司
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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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
    • 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
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • 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
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • D06F31/005—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies consisting of one or more rotating drums through which the laundry passes in a continuous flow
    • 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 
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/10—Spin speed
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/06—Type or material
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/26—Imbalance; Noise level
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/68—Operation mode; Program phase
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed

Definitions

  • the invention belongs to the field of washing machines, and in particular to a method for controlling dehydration of a multi-tub washing machine and a washing machine.
  • the drum washing machine is the trend of household applications in the future, and the washing is clean and does not hurt the clothes.
  • the awareness of hygiene has gradually increased, especially in the field of household laundry, more and more people wash clothes separately.
  • the inner and outer clothes are separately washed, the baby and the adult clothes are washed separately, the clothes of different colors are washed separately or a small amount of clothes are washed in time.
  • Using the existing washing machine to satisfy the above method not only wastes a lot of energy and water, but also satisfies the user's requirements for hygiene.
  • Many families will need more than one drum washing machine, but if you buy two or more washing machines to meet your needs, it will not only increase the cost, but also bring you a lot of trouble.
  • the twin-bed washer-dryer can be used to meet these needs, to fully control costs and solve energy, water and space waste problems.
  • the reasonable double drum design is arranged up and down to save space, but it brings the problem of control of the power used by the whole machine.
  • the working mode of the drum washing machine determines that it has a large vibration problem during dehydration, and the vibration problem is particularly serious for the double drum.
  • high-speed dehydration there will be strong vibration of the whole machine, which seriously affects the stability and life of the machine.
  • the currently applied double-drum washing machine takes into account the vibration problem when the two cylinders are dehydrated, and the two cylinders can not be dehydrated at the same time in the program. Only after one cylinder is dehydrated, the other cylinder can start dehydration, but this lengthens the washing. And the time of dehydration reduces the user's ease of use.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a dehydration control method for a multi-tubular washing machine and a washing machine, which can solve the amplitude of the existing multi-tubular washing machine when the rollers are simultaneously dehydrated through a software control system.
  • the big problem is that the invention does not need to detect various weights, or can add too much auxiliary equipment, can realize the modification work of the existing washing machine, make the multi-tube simultaneous dehydration possible, and reduce the overall processing time of the clothes. Improves the efficiency of laundry and improves user satisfaction.
  • a dehydration control method for a multi-tub washing machine comprising a first washing tub, a second washing tub and a control system, wherein the first washing tub and the second washing tub simultaneously operate the dehydrating program, the control system adjusts the first washing tub and/or The rotation speed of the second washing tub reduces the overall amplitude of the washing machine when it is dehydrated.
  • the first washing tub performs the dehydration process, it is determined whether the second washing tub is performing the dehydration process; if not, the first washing tub controls the washing tub to perform the dehydrating process at the first rotational speed; if so, the first washing tub adjusts the washing tub
  • the dehydration process is performed at a rotational speed of the second rotational speed that is the same as or different from the first rotational speed.
  • the second washing tub is performing the dehydration process, and then the first washing tub performs the dehydration process at a second rotational speed different from the first rotational speed, after the second washing tub is dehydrated, the first A washing tub controls the washing tub to perform a dehydration process at a first rotational speed.
  • the first rotation speed is a rotation speed of the dehydration program set according to the laundry property of the laundry to be dehydrated
  • the laundry attribute comprises a material and/or weight of the laundry.
  • the second rotational speed is not greater than the first rotational speed
  • the first rotational speed and/or the second rotational speed are different rotational speed gear positions
  • the rotational speed gear includes 300 rpm, 600 rpm, or 800 rpm, or 1200 rpm, or 1500 rpm.
  • the second rotation speed is adjusted according to an eccentric amount of the laundry to be dehydrated in the first washing cylinder, and the second rotation speed is negatively correlated with the magnitude of the eccentric amount.
  • the second rotation speed is adjusted according to the vibration amplitude of the washing machine, and the second rotation speed is inversely related to the magnitude of the vibration amplitude.
  • the second rotational speed is based on an initial and/or real-time weight when the laundry in the first washing tub is dehydrated, and/or an eccentric amount of the laundry to be dehydrated in the first washing tub in the washing tub, and/or the washing machine
  • the vibration amplitude of the machine is calculated to satisfy the dehydration speed of the first washing tub that minimizes the overall amplitude of the washing machine.
  • the second washing tub determines whether the second washing tub is performing the dehydration process; if not, the second washing tub maintains the original rotating speed to continue the dehydration process; if so, the second washing tub adjusts the washing tub to be different from The deceleration procedure is performed at the speed of the original speed.
  • a washing machine using a dehydration control method of a multi-tub washing machine comprising a first washing tub and a second washing tub, and a rotation speed for controlling dehydration of the first washing tub and/or the second washing tub a control system that adjusts a rotational speed of the first washing tub and/or the second washing tub when the first washing tub and the second washing tub simultaneously run the spin-drying program;
  • control system includes an amplitude sensing device and a rotational speed adjusting device that are electrically connected to each other; the amplitude sensing device is configured to sense a whole machine amplitude when the washing machine is in operation; the rotational speed adjusting device and the first washing tub and/or Or a second washing tub circuit is connected to control the rotational speed of the first washing tub and/or the second washing tub.
  • the present invention has the following advantageous effects compared with the prior art.
  • a dehydration control method and a washing machine for a multi-tubular washing machine of the present invention do not adopt a control method of alternately dehydrating each of the washing tubs used in the usual design, but adjust the first washing tub and/or the second washing tub by using a control system.
  • the rotation speed enables the respective washing cylinders of the multi-tubular washing machine to simultaneously dehydrate, and also greatly reduces the overall amplitude of the washing machine when it is dehydrated.
  • Each of the washing tubs of the present invention has different rotational speeds corresponding to different gear positions. For the presence/absence of other washing tubs, a dehydrating process is being performed, and the washing tub selects different rotational speeds to perform a dehydrating process, which satisfies the execution of the single cylinder During dehydration, the washing tub achieves normal dewatering according to the existing rotating speed, and meets the requirement of reducing the overall amplitude of the washing machine when the other cylinders are dehydrated, so as to adjust the rotation speed of the washing tub dehydration, and finally realize multi-cylinder simultaneous dehydration.
  • the first washing tub of the present invention resumes the default rotation speed or the new rotation speed to execute the dehydration process, so that the dehydration control is more flexible, and the dehydration process of the first washing tub is completed in an optimal manner. , shortening the dehydration time of the first washing tub.
  • the default rotational speed is the first rotational speed described in the invention, which is the rotational speed of the dehydration program set according to the laundry property of the laundry to be dehydrated, and can meet the requirement of personalized dehydration of the laundry, so that the dehydration process can not only satisfy the basic Dewatering requirements can also minimize damage to clothing.
  • the invention provides a plurality of implementation manners for adjusting the rotation speed of the second washing tub when the first washing tub is detecting the dehydration program, for example, using the gear position adjustment mode to simply reduce the rotation speed, or according to the washing tub
  • the amount of eccentricity of the laundry to be dehydrated in the washing tub is adjusted, or according to the vibration amplitude of the washing machine, and the control of the dehydration speed of the washing tub by any of the above methods is not limited to the dehydrating demand of the laundry to be dehydrated.
  • the basis of the speed control is to use the running state of the whole washing machine such as the smoothness or vibration amplitude of the whole washing machine as the speed reference. It is because of the change of the speed regulation reference of the method that the rotation speed of the first washing tub can meet the requirements of the low amplitude and smooth running of the washing machine.
  • the invention also points out that the speed adjustment is not only for the washing cylinder which is dehydrated at the same time, but also for the washing cylinder which is dehydrated before, so that the whole speed adjustment mode combination is more flexible. Because the control system of different washing machines will be different, some are convenient to control the speed of the dewatering washing cylinder, and some washing machines are easier to realize the speed of controlling the dewatering first.
  • the present invention can provide various control methods to meet the low machine. The amplitude requirements are more conducive to the functional upgrade of different forms of existing multi-drum washing machines.
  • FIG. 1 is a schematic flow chart of a dehydration control method of a multi-tubular washing machine of the present invention
  • FIG. 2 is a schematic view showing the structure of a multi-cylinder washing machine using a dehydration control method of a multi-cylinder washing machine of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the present invention discloses a dehydration control method for a multi-tub washing machine and a washing machine.
  • the washing machine includes a first washing tub, a second washing tub and a control system, and the first washing tub and the second washing tub are simultaneously
  • the control system adjusts the rotational speed of the first wash basket and/or the second wash basket to reduce the overall amplitude of the washing machine when it is dehydrated.
  • the invention can solve the problem that the amplitude of the existing multi-tubular washing machine is excessively dehydrated when the rollers are simultaneously dehydrated by the software control system, and the invention does not need to detect various weights, or can increase the auxiliary equipment, and can realize
  • the existing washing machine has a small modification work, which makes it possible to simultaneously dehydrate the multi-tube, reduces the overall processing time of the laundry, improves the efficiency of the laundry, and improves the user satisfaction rate.
  • the washing machine of the present embodiment includes a first washing tub 1, a second washing tub 2, and a control system.
  • the control system adjusts the first washing tub 1 and/or the first The rotation speed of the second washing tub 2 reduces the overall amplitude of the washing machine when it is dehydrated.
  • each of the washing tubs has a plurality of different rotational speed gears corresponding to different rotational speeds, and the rotational speed gears include 600 rpm, or 800 rpm, or 1200 rpm, or 1500. Transfer / minute.
  • the spin speed is executed at the speed of the speed.
  • the second rotation speed is that the system controls the dehydration rotation speed of the first washing tub according to the current motion state, and may be the same as the first rotation speed or may be different from the first rotation speed.
  • the first rotation speed is a rotation speed of the dehydration program set by the washing tub according to the laundry property of the laundry to be dehydrated; preferably, the laundry property includes a material and/or a weight of the laundry.
  • the first rotational speed is automatically set by the washing machine, and the washing machine has the laundry attribute identifying means, and the washing machine automatically sets the first rotational speed by the laundry attribute of the laundry to be dehydrated recognized by the laundry attribute identifying means.
  • the first rotational speed may also be manually set by the user according to the laundry property of the laundry to be dehydrated.
  • the first rotational speed corresponds to the dehydration rotational speed determined by the attribute of the laundry, and the rotational speed is concerned with the dehydration requirement of the laundry, that is, the rotational speed gear that the washing machine matches according to the attribute of the laundry.
  • the washing tub can provide an optimal dewatering operation for the laundry.
  • the first washing tub before the first washing tub performs the spin-drying process, if it is detected that the second washing tub is performing the spin-drying process, the first washing tub performs a spin-drying process at a second rotational speed, the second rotational speed being different from the first rotational speed. After the dehydration of the second washing tub is completed, the first washing tub controls the washing tub to perform the dehydrating process at the first rotation speed.
  • the advantage of this method is that the number of dewatering gears configured for the washing machine can be reduced, and as long as the second washing tub completes the dehydration process, the first washing tub returns to the default optimal dehydrating speed, thereby achieving a better dewatering effect.
  • the first rotational speed is the default spin speed of the washing machine.
  • the second rotational speed in this embodiment is not greater than the first rotational speed; further, the first rotational speed and/or the second rotational speed are different rotational speed gear positions. That is to say, in the present embodiment, before the first washing tub performs the spin-drying process, it is detected that the second washing tub is performing the spin-drying process, and actively reduces the own spin-drying speed. In this way, the amplitude of the vibration of the first washing tub itself is reduced, which is suitable for a small amount of laundry, and the laundry is relatively uniform. In this case, the vibration amplitude of the washing tub is positively correlated with the rotational speed, that is, the vibration amplitude can be reduced by reducing the rotational speed.
  • the embodiment is a supplement to the embodiment 1.
  • the second rotation speed is adjusted according to the eccentricity of the laundry to be dehydrated in the first washing cylinder, and the second rotation speed and the eccentricity The size of the negative correlation.
  • the second rotational speed of this embodiment is no longer simply a certain rotational speed position smaller than the first rotational speed, but a dynamic change value adjusted according to the eccentricity of the laundry to be dehydrated in the first wash cylinder.
  • the change of the second rotation speed is mainly to adapt to the change of the eccentricity in the washing cylinder, so that the washing cylinder can satisfy the application requirement under the condition that the shaking amount can be at the highest speed in the interval lower than the first rotation speed.
  • Dehydration is performed as the second rotation speed, so that the first washing tub can remove as much moisture as possible in the dehydrated state at the second rotation speed, and finally the overall dewatering time is not excessively extended.
  • the second rotational speed is adjusted according to the vibration amplitude of the washing machine, and the second rotational speed is inversely related to the magnitude of the shock amplitude.
  • the control of the second rotational speed in this embodiment no longer concerns the parameters of the washing tub itself or the attributes of the laundry, but the vibration amplitude of the washing machine.
  • the higher the rotation speed the smaller the shaking caused by the washing tub is.
  • the dehydration of the first washing tub and the second washing tub are independently operated separately. The two dehydration processes each generate a corresponding frequency of vibration during the dehydration process.
  • the vibration amplitude of the washing machine As a whole, it is not the result of vibration of a certain washing cylinder alone, but should be a superposition of the two.
  • the second rotation speed is no longer limited to a section not higher than the first rotation speed, but the vibration amplitude of the whole washing machine is used as an adjustment reference, and the second rotation speed and the vibration amplitude are adjusted by the control system.
  • the size is negatively correlated, so that the second rotation speed can be dynamically adjusted with the vibration amplitude of the whole machine. It is precisely because of the change of the reference object of the speed regulation that the rotation speed of the first washing cylinder can meet the requirements of the low amplitude and smooth operation of the washing machine.
  • the second rotation speed is an initial and/or real-time weight according to the dehydration of the laundry in the first washing tub of the washing machine, and/or an eccentric amount of the laundry to be dehydrated in the first washing cylinder, and/or
  • the vibration amplitude of the washing machine is calculated, and the calculated dehydration speed of the first washing tub that satisfies the overall amplitude of the washing machine is calculated.
  • the washing machine in this embodiment has an arithmetic unit and a sensor.
  • the sensor includes an initial weight when the laundry of the laundry in the first washing tub is dehydrated, and/or an eccentric amount of the laundry to be dehydrated in the first washing tub in the washing tub, and/or a vibration amplitude of the washing machine, wherein the initial of the laundry
  • the initial characteristics of weight and eccentricity determine the resonant frequency of the washing machine at this time.
  • the calculation unit of the washing machine calculates a second rotation speed capable of avoiding the resonance frequency of the washing machine according to the relationship between the rotation speed monitored by the sensor and the vibration amplitude of the washing machine and the resonance frequency determined by the initial feature, and controls the washing tub in the second Dewatering is carried out at a rotational speed to avoid resonance caused by dehydration of the washing machine.
  • the sensor monitors the real-time weight when the laundry in the first washing tub is dehydrated, and applies the weight to the calculation of the second rotation speed described above. go with.
  • the characteristics of the weight change of the laundry during the execution of the dehydration process are fully considered, and the rotational speed corresponding to the resonant frequency at that time is calculated in real time, so that the control of the second rotational speed is more accurate, and better shock absorption can be achieved. effect.
  • This embodiment is a supplement to the above embodiment.
  • the second washing tub before the first washing tub performs the dehydration process, the second washing tub is performing the dehydration process, and then the first washing tub performs the dehydrating process at the second rotating speed, and after the second washing tub is dehydrated, the first washing tub is controlled.
  • the washing tub performs a dehydration process at a third rotational speed, the third rotational speed being different from the first rotational speed and the second rotational speed;
  • the third rotational speed is greater than the second rotational speed.
  • the dehydration process of the first washing tub may have various options after the dehydration of the second washing tub is completed.
  • a first washing tub as described in Embodiment 1 controls the washing tub to perform a dehydrating process at a first rotational speed after performing a dehydrating process using the second rotational speed; in the second case, the first washing tub is executed at the second rotational speed After the dehydration process, the rotation speed is maintained until the dehydration is completed; this embodiment discloses a third case in which the first washing tub controls the washing tub to perform the dehydration process at the third rotation speed after performing the dehydration process using the second rotation speed.
  • the third rotational speed of the present embodiment is greater than the second rotational speed, or greater than the first rotational speed, that is, after the second washing tub ends the dehydration process, the first washing tub selects a higher rotational speed to complete the remaining dehydrating operation.
  • This embodiment is an alternative to any of the above embodiments.
  • This embodiment is different from the speed adjustment scheme in the above embodiment, mainly by adjusting the rotation speed of the dewatering washing cylinder to realize the technical effect of the low amplitude of the whole machine, but by adjusting the washing drum of the front dewatering. The speed of rotation to achieve the above technical effects.
  • This embodiment makes the overall speed adjustment mode combination more flexible.
  • the present invention can provide various control modes to meet the low amplitude of the whole machine. The requirement is more conducive to the functional upgrade of different forms of existing multi-drum washing machines.
  • the dehydration time of each of the washing tubs is adjusted accordingly in order to satisfy the dehydration requirement due to the change in the rotational speed during the dehydration process.
  • the present embodiment discloses a washing machine using the dehydration control method of the multi-tub washing machine according to any of the above embodiments, including the first washing tub 1 and the second washing tub 2, and for controlling a control system for the rotational speed of the first washing tub 1 and/or the second washing tub 2 when the first washing tub 1 and the second washing tub 2 simultaneously run the dehydrating program, the control system adjusts the first washing tub 1 and/ Or the rotational speed of the second washing tub 2.
  • the control system includes an amplitude sensing device and a rotational speed adjusting device that are electrically connected to each other; the amplitude sensing device is configured to sense a whole machine amplitude when the washing machine is in operation; and the rotational speed adjusting device is coupled to the first washing tub 1 and / or the second washing tub 2 is electrically connected to control the rotational speed of the first washing tub 1 and/or the second washing tub 2.
  • the control system of the washing machine in this embodiment can be realized by a simple mechanical or circuit logic relationship when performing the speed adjustment.
  • control system further sets an analysis system, the analysis system includes a central processor having an operation and a logic judgment function, and the central processor is responsible for completing the judgment analysis process of the above embodiment: at least: when The setting of the rotation speed of other washing cylinders during dehydration; the setting of the washing drum rotation speed when the amplitude of the whole machine is too large; the determination of the rotation speed of the washing cylinder when the eccentricity is too large, and the like.
  • the analysis system senses the operating state of the washing machine through the amplitude sensing device, sends a control signal to the rotational speed adjusting device through logic analysis, adjusts the rotational speed of the first washing tub 1 and/or the second washing tub 2, so that the overall amplitude of the multi-tub washing machine is reduced. .

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  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

本发明公开了一种多筒洗衣机的脱水控制方法及洗衣机，洗衣机包括第一洗涤筒、第二洗涤筒和控制系统，第一洗涤筒和第二洗涤筒同时运行脱水程序时，控制系统调整第一洗涤筒和/或第二洗涤筒的转速，降低洗衣机脱水时总体振幅。本发明可以通过软件控制系统，解决现有的多筒洗衣机在各滚筒同时脱水时的振幅过大的问题，本发明不需要检测各种配重，或者增加过多的辅助设备就能实现，对于现有的洗衣机的改动工作小，使多筒同时脱水成为可能，减少了衣物总体的处理时间，提高了洗衣的效率，提升了用户满意率。

Description

一种多筒洗衣机的脱水控制方法及洗衣机 技术领域
本发明属于洗衣机领域，具体地说，涉及一种多筒洗衣机的脱水控制方法及洗衣机。
背景技术
滚筒洗衣机是以后家庭应用的趋势，洗的干净不伤衣物。目前，市场上在售的滚筒洗干衣机只有一个洗涤桶。随着人们生活质量的提高，卫生意识也逐渐提高，尤其在家庭衣物洗涤方面，越来越多的人将衣物分开洗涤。例如内外衣分开洗涤，婴儿和大人衣物分开洗涤，颜色不同衣物分开洗涤或少量衣物及时洗涤。采用现有的洗衣机来满足以上方式，不仅会浪费大量的能源和水，也难以满足用户对卫生的要求。很多家庭会需要不止一台滚筒洗衣机，但是，如果购买两台或多台洗衣机来满足需求，不仅增大了成本，而且会带来占据空间大的麻烦。
由于住宅面积限制，多台滚筒洗衣机会占据很大使用空间，因此，多滚筒洗衣机的应用，有很大的前景。选用双筒洗干衣机即可满足上述需要，能够充分控制成本，并解决能源、水以及空间的浪费问题。合理的双滚筒设计为上下排列，便于节省空间，但随之带来的是整机使用功率的控制等问题。同时，滚筒洗衣机的工作方式决定了其在脱水时存在较大的振动问题，而对于双滚筒来说，振动问题尤其严重。尤其在同时高速脱水的时候，会出现整机的强烈震动情况，严重影响机器的使用稳定性和寿命。
因此目前应用的双滚筒洗衣机，考虑到两筒脱水时的振动问题，在程序上设定两个筒不能同时脱水，只能一个筒脱水结束后，另一个筒才能开始脱水，但是这样加长了洗涤和脱水的时间，降低了用户的使用便利性。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种多筒洗衣机的脱水控制方法及洗衣机，可以通过软件控制系统，解决现有的多筒洗衣机在各滚筒同时脱水时的振幅过大的问题，本发明不需要检测各种配重，或者增加过多的辅助设备就能实现，对于现有的洗衣机的改动工作小，使多筒同时脱水成为可能，减少了衣物总体的处理时间，提高了洗衣的效率，提升了用户满意率。
为了实现该目的，本发明采用如下技术方案：
一种多筒洗衣机的脱水控制方法，洗衣机包括第一洗涤筒、第二洗涤筒和控制系统，第一洗涤筒和第二洗涤筒同时运行脱水程序时，控制系统调整第一洗涤筒和/或第二洗涤筒的转速，降低洗衣机脱水时总体振幅。
进一步地，第一洗涤筒执行脱水程序前，判断第二洗涤筒是否正在执行脱水程序；若否，第一洗涤筒控制洗涤筒以第一转速执行脱水程序；若是，第一洗涤筒调整洗涤筒以与第一转速相同或者不同的第二转速的转速执行脱水程序。
进一步地，第一洗涤筒执行脱水程序前，第二洗涤筒正在执行脱水程序，则第一洗涤筒以不同于第一转速的第二转速执行脱水程序，待第二洗涤筒脱水完毕后，第一洗涤筒控制洗涤筒以第一转速执行脱水程序。
进一步地，所述第一转速是根据待脱水衣物的衣物属性为第一洗涤筒所设定的脱水程序转速；
优选地，所述衣物属性包括，衣物的材质和/或重量。
进一步地，所述第二转速不大于第一转速；
优选地，所述第一转速和/或第二转速为不同的转速档位；
优选地，转速档位包括，300转/分，600转/分，或800转/分，或1200转/分，或1500转/分。
进一步地，所述第二转速根据第一洗涤筒内待脱水衣物在洗涤筒内的偏心量进行调节，第二转速大小与所述偏心量的大小负相关。
进一步地，所述第二转速根据洗衣机整机的震动振幅进行调节，第二转速大小与所述震动振幅的大小负相关。
进一步地，所述第二转速是根据第一洗涤筒内衣物脱水时的初始和/或实时重量，和/或第一洗涤筒内待脱水衣物在洗涤筒内的偏心量，和/或洗衣机整机的震动振幅，计算得到的满足使洗衣机整体振幅最小的第一洗涤筒的脱水转速。
进一步地，第一洗涤筒执行脱水程序前，判断第二洗涤筒是否正在执行脱水程序；若否，第二洗涤筒保持原转速继续执行脱水程序；若是，第二洗涤筒调整洗涤筒以不同于原转速的转速执行脱水程序。
一种洗衣机，使用如上述任一所述的多筒洗衣机的脱水控制方法，包括第一洗涤筒和 第二洗涤筒，和用于控制第一洗涤筒和/或第二洗涤筒脱水时转速的控制系统，当第一洗涤筒和第二洗涤筒同时运行脱水程序时，所述控制系统调整第一洗涤筒和/或第二洗涤筒的转速；
优选地，所述控制系统包括彼此电路连接的振幅感应装置和转速调节装置；所述振幅感应装置用于感应所述洗衣机工作时的整机振幅；所述转速调节装置与第一洗涤筒和/或第二洗涤筒电路连接，控制所述第一洗涤筒和/或第二洗涤筒的转速。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果。
本发明的一种多筒洗衣机的脱水控制方法及洗衣机，不采用通常设计中采用的各洗涤筒交替脱水的控制方法，而是通过使用控制系统调整第一洗涤筒和/或第二洗涤筒的转速，使多筒洗衣机的各个洗涤筒实现了同时脱水的同时，还大幅度降低洗衣机脱水时总体振幅。
本发明的各个洗涤筒都具有与不同档位相对应的的不同转速，针对是/否存在其他洗涤筒正在执行脱水程序，洗涤筒选择不同的转速来执行脱水程序，既满足了在执行单筒脱水时，洗涤筒按照既有转速实现正常脱水，又满足了在其他筒脱水时，本筒按照降低洗衣机脱水时总体振幅的要求，来进行洗涤筒脱水的转速调节，最终实现多筒同时脱水。
本发明的第一洗涤筒在第二洗涤筒脱水完毕后，重新恢复默认的转速或者是新的转速执行脱水程序，使脱水控制更加灵活，以最佳的方式完成第一洗涤筒的脱水全过程，缩短了第一洗涤筒的脱水时间。所述的默认的转速即发明中所述的第一转速，它是根据待脱水衣物的衣物属性所设定的脱水程序转速，能够满足衣物个性化脱水的要求，使脱水过程不但能够满足基本的脱水要求，还能尽量减少对衣物的损伤。
本发明对于当第一洗涤筒检测到第二洗涤筒正在执行脱水程序时，对自身的转速调节给出了多种实现方式，比如：利用档位调节的方式单纯降低转速，或者是根据洗涤筒内待脱水衣物在洗涤筒内的偏心量进行调节，或者根据洗衣机整机的震动振幅进行调节等，上述的任一方法对洗涤筒脱水转速的控制，都不仅仅以待脱水衣物的脱水需求为调速控制的依据，而是以整个洗衣机运行的平稳或震动幅度等洗衣机整机运行状态作为调速参考。正是由于该方法的调速基准的改变，使第一洗涤筒的转速能够满足洗衣机整机低振幅和平稳运行的要求。
同时，本发明也指出，这种转速调节并不单纯针对于在后脱水的洗涤筒，也同时适用于在前脱水的洗涤筒，使整个转速调节方式组合更加灵活。因为不同的洗衣机的控制系统会有所区别，有些是控制在后脱水的洗涤筒转速方便，有些洗衣机则是控制在先脱水的转 速更易实现，本发明能够提供多种控制方式来满足整机低振幅的要求，更有利于针对不同形式的现有多滚筒洗衣机的功能升级。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明的一种多筒洗衣机的脱水控制方法的流程示意图；
图2是使用本发明的一种多筒洗衣机的脱水控制方法的多筒洗衣机结构示意图。
图中：1、第一洗涤筒；2、第二洗涤筒。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
如图1至图2所示，本发明公开了一种多筒洗衣机的脱水控制方法及洗衣机，洗衣机包括第一洗涤筒、第二洗涤筒和控制系统，第一洗涤筒和第二洗涤筒同时运行脱水程序时，控制系统调整第一洗涤筒和/或第二洗涤筒的转速，降低洗衣机脱水时总体振幅。本发明可 以通过软件控制系统，解决现有的多筒洗衣机在各滚筒同时脱水时的振幅过大的问题，本发明不需要检测各种配重，或者增加过多的辅助设备就能实现，对于现有的洗衣机的改动工作小，使多筒同时脱水成为可能，减少了衣物总体的处理时间，提高了洗衣的效率，提升了用户满意率。
实施例1
如图1和图2所示，本实施例中揭示了一种多筒洗衣机的脱水控制方法。本实施例的洗衣机包括第一洗涤筒1、第二洗涤筒2和控制系统，第一洗涤筒1和第二洗涤筒2同时运行脱水程序时，控制系统调整第一洗涤筒1和/或第二洗涤筒2的转速，降低洗衣机脱水时总体振幅。
本实施例中各个洗涤筒具有多个与不同转速对应的、可选的不同的转速档位，这些转速档位包括，600转/分，或800转/分，或1200转/分，或1500转/分。
第一洗涤筒执行脱水程序前，判断第二洗涤筒是否正在执行脱水程序；若否，第一洗涤筒控制洗涤筒以第一转速执行脱水程序；若是，第一洗涤筒调整洗涤筒以第二转速的转速执行脱水程序。该第二转速是系统根据当前运动状态控制第一洗涤筒的脱水转速，可以与第一转速相同，也可以与第一转速不同。所述第一转速是洗涤筒根据待脱水衣物的衣物属性所设定的脱水程序转速；优选地，所述衣物属性包括，衣物的材质和/或重量。在本实施例中，该第一转速由洗衣机自动设定，该洗衣机具有衣物属性识别装置，洗衣机通过衣物属性识别装置识别到的待脱水衣物的衣物属性，来自动设定第一转速。在其他的实施例中，该第一转速也可以由用户根据待脱水衣物的衣物属性人为设定的转速。
本实施例中，第一转速所对应的是由衣物属性所决定的脱水转速，该转速关注的是衣物的脱水需求，也就是洗衣机根据衣物的属性所匹配的转速档位。在第一转速的情况下，洗涤筒能够为衣物提供最佳的脱水操作。
本实施例中，在第一洗涤筒执行脱水程序前，如果检测到第二洗涤筒正在执行脱水程序，则第一洗涤筒以第二转速执行脱水程序，该第二转速不同于第一转速，待第二洗涤筒脱水完毕后，第一洗涤筒控制洗涤筒以第一转速执行脱水程序。该方式的好处在于，可以减少为洗衣机配置的脱水档位数量，只要第二洗涤筒完成了脱水程序，第一洗涤筒就恢复默认的最佳的脱水转速，从而达到较佳的脱水效果。
在其他的实施例中，第一转速是洗衣机默认的脱水转速。
本实施例中的所述第二转速不大于第一转速；进一步的，所述第一转速和/或第二转速 为不同的转速档位。也就是说在本实施例中，当第一洗涤筒执行脱水程序前，检测到第二洗涤筒正在执行脱水程序，则主动降低自身的脱水转速。通过这种方式来减少第一洗涤筒的自身的震动幅度，该方式适合于少量衣物，并且衣物比较均匀的情况。在这种情况下，洗涤筒的震动幅度和转速正相关，也就是可以通过降低转速的方式来减少震动幅度。
实施例2
本实施例是对实施例1的补充，在本实施例中所述第二转速根据第一洗涤筒内待脱水衣物在洗涤筒内的偏心量进行调节的，第二转速大小与所述偏心量的大小负相关。本实施例的第二转速不再单纯是小于第一转速的某个转速档位，而是根据第一洗涤筒内待脱水衣物在洗涤筒内的偏心量调整的动态变化值。在这里第二转速的变化主要是为了适应洗涤筒内的偏心量变化，使洗涤筒在晃动量上满足应用要求的条件下，能够在低于第一转速的区间中，以尽量高的转速来作为第二转速进行脱水，从而使第一洗涤筒在处于第二转速脱水状态下能够脱去尽量多的水分，最终保证整体的脱水时间不会过度延长。
实施例3
本实施例是对上述实施例的补充，在本实施例中所述第二转速根据洗衣机整机的震动振幅进行调节，第二转速大小与所述震动振幅的大小负相关。本实施例中的第二转速的控制不再关注洗涤筒自身或者衣物属性等参数，而是洗衣机整机的震动幅度。在洗衣机进行脱水的过程中，在一定的速度区间中，转速越高洗涤筒产生的晃动反而越小；同时，对于动力输出来说，第一洗涤筒和第二洗涤筒的脱水是分别独立运行的两个脱水过程，各自在脱水的过程中都会产生相应的一定频率的震动。而对于洗衣机整体的震动幅度来说，并不是某一洗涤筒单独振动的结果，而应该是两者的叠加。事实上，在第二转速以高于第一转速运行时，由于相互振动的相消效应，也可能降低洗衣机总体的震动幅度。因此在本实施例中，第二转速不再局限在不高于第一转速的区间，而是以洗衣机整机的震动振幅为调节参照，通过控制系统调节第二转速大小与所述震动振幅的大小负相关，使第二转速能够随着整机震动幅度动态调整。正是由于调速的参照物的改变，使第一洗涤筒的转速能够满足洗衣机整机低振幅和平稳运行的要求
实施例4
本实施例是对上述实施例的补充。在本实施例中所述第二转速是根据洗衣机第一洗涤筒内衣物脱水时的初始和/或实时重量，和/或第一洗涤筒内待脱水衣物在洗涤筒内的偏心量，和或洗衣机整机的震动振幅，计算得到的满足使洗衣机整体振幅最小的第一洗涤筒的 脱水转速。本实施例中洗衣机具有运算单元和传感器。传感器包括监测第一洗涤筒内衣物的衣物脱水时的初始重量，和/或第一洗涤筒内待脱水衣物在洗涤筒内的偏心量，和/或洗衣机整机的震动振幅，其中衣物的初始重量和偏心率这些初始特征决定了此时洗衣机的共振频率。洗衣机的计算单元根据传感器监测到的转速与洗衣机整机的震动振幅的相互关系和所述初始特征所决定的共振频率，计算得到能够避让开洗衣机共振频率的第二转速，控制洗涤筒在第二转速下进行脱水，从而避免了由洗衣机脱水所造成的共振。
为了能够进一步修正本实施例的第二转速的运算结果，在其他的实施例中，传感器监测第一洗涤筒内衣物脱水时的实时重量，并将该重量应用于上述的第二转速的计算中去。在这样的实施例中，充分考虑了衣物在执行脱水程序时重量不断变化的特性，实时计算出当时的共振频率所对应的转速，使第二转速的控制更准确，能够达到更好的减震效果。
实施例5
本实施例是对上述实施例的补充。本实施例中，第一洗涤筒执行脱水程序前，第二洗涤筒正在执行脱水程序，则第一洗涤筒以第二转速执行脱水程序，待第二洗涤筒脱水完毕后，第一洗涤筒控制洗涤筒以第三转速执行脱水程序，所述第三转速异于所述第一转速和第二转速；
优选地，所述第三转速大于第二转速。
本发明的第一洗涤筒在使用第二转速执行脱水程序后，当第二洗涤筒脱水完毕后，第一洗涤筒的脱水过程可以有多种选择。一种如实施例1所述的第一洗涤筒在使用第二转速执行脱水程序后，控制洗涤筒以第一转速执行脱水程序；第二种情况是，第一洗涤筒在使用第二转速执行脱水程序后就一直保持该转速，直至脱水完毕；本实施例所揭示的是第三种情况，第一洗涤筒在使用第二转速执行脱水程序后，控制洗涤筒以第三转速执行脱水程序。
本实施的第三转速大于第二转速，或者大于第一转速，也就是说在当第二洗涤筒结束了脱水程序后，第一洗涤筒选用更高的转速来完成剩余的脱水工作，这样的好处是能够最大限度减少第一洗涤筒在多筒同时脱水时所耽误的额时间，从而能够减少整体的脱水时间，提高脱水效率。
实施例6
本实施例是对上述任一实施例的另外一种替代方案。本实施例中，第一洗涤筒执行脱水程序前，判断第二洗涤筒是否正在执行脱水程序；若否，第二洗涤筒保持原转速继续执 行脱水程序；若是，第二洗涤筒调整洗涤筒以不同于原转速的转速执行脱水程序。本实施例不同于上述实施例中的转速调节方案中，主要是通过调整在后脱水的洗涤筒的转速，来实现整机低振幅的技术效果的方法，而是通过调节在前脱水的洗涤筒的转速来实现上述技术效果。本实施例使整个转速调节方式组合更加灵活。因为不同的洗衣机的控制系统会有所区别，有些是控制在后脱水的转速方便，有些洗衣机则是控制在先脱水的转速更易实现，本发明能够提供多种控制方式来满足整机低振幅的要求，更有利于针对不同形式的现有多滚筒洗衣机的功能升级。
在上述实施例中，由于脱水过程中转速的变化，为了满足脱水要求，对于各洗涤筒的脱水时间进行相应调整。
实施例7
如图2所示，本实施例揭示了一种洗衣机，使用如上述任一实施例所述的多筒洗衣机的脱水控制方法，包括第一洗涤筒1和第二洗涤筒2，和用于控制第一洗涤筒1和/或第二洗涤筒2脱水时转速的控制系统，当第一洗涤筒1和第二洗涤筒2同时运行脱水程序时，所述控制系统调整第一洗涤筒1和/或第二洗涤筒2的转速。
优选地，所述控制系统包括彼此电路连接的振幅感应装置和转速调节装置；所述振幅感应装置用于感应所述洗衣机工作时的整机振幅；所述转速调节装置与第一洗涤筒1和/或第二洗涤筒2电路连接，控制所述第一洗涤筒1和/或第二洗涤筒2的转速。本实施例中的洗衣机的控制系统在执行转速调节的时候，既可以通过简单的机械或电路逻辑关系实现。在提高智能化要求的情况下，该控制系统还进一步设置分析系统，分析系统包括具有运算和逻辑判断功能的中央处理器，中央处理器负责完成上述实施例的判断分析过程：至少包括：当有其他洗涤筒在脱水时转速的设定；整机振幅过大时洗涤筒转速设定；偏心量过大时洗涤筒转速判定等等。分析系统通过振幅感应装置所感应到洗衣机运行状态，经过逻辑分析向转速调节装置发送控制信号，调整第一洗涤筒1和/或第二洗涤筒2的转速，使多筒洗衣机的整机振幅降低。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种多筒洗衣机的脱水控制方法，洗衣机包括第一洗涤筒、第二洗涤筒和控制系统，其特征在于，第一洗涤筒和第二洗涤筒同时运行脱水程序时，控制系统调整第一洗涤筒和/或第二洗涤筒的转速，降低洗衣机脱水时总体振幅。
  2. 如权利要求1所述的多筒洗衣机的脱水控制方法，其特征在于，第一洗涤筒执行脱水程序前，判断第二洗涤筒是否正在执行脱水程序；若否，第一洗涤筒控制洗涤筒以第一转速执行脱水程序；若是，第一洗涤筒调整洗涤筒以与第一转速相同或者不同的第二转速的转速执行脱水程序。
  3. 如权利要求2所述的多筒洗衣机的脱水控制方法，其特征在于，第一洗涤筒执行脱水程序前，第二洗涤筒正在执行脱水程序，则第一洗涤筒以不同于第一转速的第二转速执行脱水程序，待第二洗涤筒脱水完毕后，第一洗涤筒控制洗涤筒以第一转速执行脱水程序。
  4. 如权利要求2所述的多筒洗衣机的脱水控制方法，其特征在于，所述第一转速是根据待脱水衣物的衣物属性为第一洗涤筒所设定的脱水程序转速；
    优选地，所述衣物属性包括，衣物的材质和/或重量。
  5. 如权利要求3所述的多筒洗衣机的脱水控制方法，其特征在于，所述第二转速不大于第一转速；
    优选地，所述第一转速和/或第二转速为不同的转速档位；
    优选地，转速档位包括，300转/分，600转/分，或800转/分，或1200转/分，或1500转/分。
  6. 如权利要求5所述的多筒洗衣机的脱水控制方法，其特征在于，所述第二转速根据第一洗涤筒内待脱水衣物在洗涤筒内的偏心量进行调节，第二转速大小与所述偏心量的大小负相关。
  7. 如权利要求5所述的多筒洗衣机的脱水控制方法，其特征在于，所述第二转速根据洗衣机整机的震动振幅进行调节，第二转速大小与所述震动振幅的大小负相关。
  8. 如权利要求5所述的多筒洗衣机的脱水控制方法，其特征在于，所述第二转速是根据第一洗涤筒内衣物脱水时的初始和/或实时重量，和/或第一洗涤筒内待脱水衣物在洗涤筒内的偏心量，和/或洗衣机整机的震动振幅，计算得到的满足使洗衣机整体振幅最小的第一洗涤筒的脱水转速。
  9. 如权利要求1所述的多筒洗衣机的脱水控制方法，其特征在于，第一洗涤筒执行脱水程序前，判断第二洗涤筒是否正在执行脱水程序；若否，第二洗涤筒保持原转速继续执 行脱水程序；若是，第二洗涤筒调整洗涤筒以不同于原转速的转速执行脱水程序。
  10. 一种洗衣机，使用如权利要求1至9任一所述的多筒洗衣机的脱水控制方法，其特征在于，包括第一洗涤筒和第二洗涤筒，和用于控制第一洗涤筒和/或第二洗涤筒脱水时转速的控制系统，当第一洗涤筒和第二洗涤筒同时运行脱水程序时，所述控制系统调整第一洗涤筒和/或第二洗涤筒的转速；
    优选地，所述控制系统包括彼此电路连接的振幅感应装置和转速调节装置；所述振幅感应装置用于感应所述洗衣机工作时的整机振幅；所述转速调节装置与第一洗涤筒和/或第二洗涤筒电路连接，控制所述第一洗涤筒和/或第二洗涤筒的转速。
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