CN1876932A - Rotation speed control method and control apparatus for washing machine - Google Patents
Rotation speed control method and control apparatus for washing machine Download PDFInfo
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- CN1876932A CN1876932A CN 200510013761 CN200510013761A CN1876932A CN 1876932 A CN1876932 A CN 1876932A CN 200510013761 CN200510013761 CN 200510013761 CN 200510013761 A CN200510013761 A CN 200510013761A CN 1876932 A CN1876932 A CN 1876932A
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- washing machine
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- dehydrating speed
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Abstract
The invention discloses a rotary speed controlling method and control device of washer. The rotary speed controlling method comprising dehydration course phase according to the set initial dehydration rotary speed; when producing covibration in the dehydration course under the set initial dehydration rotary speed, adjusting the set initial dehydration to avoiding resonant dehydration rotary speed phase that can avoid producing covibration; and after adjusting the initial dehydration rotary speed to avoiding resonant dehydration rotary speed, continue carrying through the thereafter dehydration by the adjusted rotary speed. The providing rotary speeds controlling method and the control device of washer by this invention can properly adjusting the set initial dehydration rotary speed according to setting environment of washer, in order to prevent vibration and noise caused by the covibration when the washer operating, so can improve manufacturer and product credit standing.
Description
Technical field
The present invention relates to a kind of method for controlling number of revolution and control device thereof of washing machine, particularly relate to a kind of when washing machine dewaters, can prevent to be provided with between the ground of washing machine and the washing machine producing covibration, and can prevent the method for controlling number of revolution and the control device thereof of the washing machine of the noise that causes therefrom and vibration.
Background technology
Rubbing action that produces when usually, washing machine is a kind of decontamination that utilizes washing agent and impeller or cylinder rotation and the percussion that imposes on washings are removed the device of spot on clothing and the bedding.The automatic washing machine of releasing need not user's concrete operations recently, and it can finish a series of washing process such as washing, rinsing and dehydration automatically.Wherein, roller washing machine is more relatively low than the height of rotary drum washing machine because of having, and has and can prevent that clothing from twining and function such as wrinkle resistant and be subjected to increasing consumer and favor.Fig. 1 is the direct coupling type drum washing machine vertical structure cutaway view of prior art.As shown in Figure 1, the roller washing machine of this prior art is provided with shell 5, and the inside of shell 5 is provided with cylindric washer 3, and the inside of cylindric washer 3 then is provided with cylinder 9, and cylinder 9 is provided with the cylinder rotating shaft 13 that the driving force of motor 6 can be sent to cylinder 9.In addition, the rear portion of cylinder rotating shaft 13 is provided with bearing 12, the rear end face centre of cylindric washer 3 then be provided with can spring bearing 12 bearing block.In addition, the stator 7 that constitutes associated mode motor 6 is installed on the rear end face of cylindric washer 3, then is equipped with the rotor 8 that together constitutes associated mode motor 6 with stator 7 on the cylinder rotating shaft 13, thus, cylinder 9 just can together be rotated with rotor 8.The front end of shell 5 is provided with door 1, then is provided with sealing gasket 2 between door 1 and the cylindric washer 3.And, be provided with the hanger spring 4 that can support cylindric washer 3 between the outer circumference surface top of the inside top surface of shell 5 and cylindric washer 3, then be provided with the friction damper 10 that when washing machine dewaters, can reduce cylindric washer 3 vibrations between the inboard, bottom surface of shell 5 and the outer circumference surface bottom of cylindric washer 3.In addition, the side of motor 6 be provided with can detection rotor 8 revolutions electromechanical transducer 11.The roller washing machine course of work with as above structure is as follows: after the user dropped into clothing and starts washing machine from door 1, washing agent and washings began to enter the inside of washing machine, and cylinder 9 begins to be rotated and washing clothes simultaneously.After washing process finishes, washing machine will come rotary drum 9 to dewater according to the initial dehydrating speed of predefined motor.Fig. 2 is a time dependent rotation speed change curve map in the laundry machine dehydration process of prior art.As shown in Figure 2, this dewatering is the rotary speed that increases motor gradually, until reaching the arbitrary initial dehydrating speed (such as 700 rev/mins) that the user selects, dewaters with this speed in setting-up time then.The dewatering of this moment is directly proportional with the dehydrating speed of motor, and the unbalance of washings also can cause change in rotational speed.Fig. 2 is the change curve of dehydrating speed in the dehydration, usually be provided with a plurality of dehydrations in the washing machine, thereby the dehydration that the user can select to have configured according to washings kinds of different nature such as underskirt, jeans or jackets is to dewater.But, when this washing machine being placed on the ground and dewater, under the specific dehydrating speed of motor 6, can produce covibration between ground and the washing machine, produce certain vibration and noise thus.That is, when the eigentone on the rotating speed of motor 6 and ground is close, covibration be can produce, thereby vibration and noise caused.When this vibration and noise ratio were serious, the user will produce certain discontented mood to dehydration, will influence the prestige of production firm and product like this.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of can making to be arranged at ground washing machine when under the initial dehydrating speed of setting, producing covibration, the initial dehydrating speed of setting is adjusted into the method for controlling number of revolution and the control device thereof of the washing machine of avoiding resonating dehydrating speed and dewatering.
In order to achieve the above object, be provided with in the washing machine of a plurality of dehydrations that the user can select suitable initial dehydrating speed according to the kind of washings in inside, the method for controlling number of revolution of washing machine provided by the invention comprises: the stage of carrying out dehydration according to the initial dehydrating speed of setting; When under the initial dehydrating speed of setting, carrying out producing covibration in the dehydration, with the initial dehydrating speed of setting be adjusted into can avoid producing covibration avoid resonating stage of dehydrating speed; Carry out the stage of dehydration thereafter with continuation after initially dehydrating speed is adjusted into the dehydrating speed of avoiding resonating with adjusted rotating speed.
The method for controlling number of revolution of described washing machine also comprises the stage that the adjusted dehydrating speed of avoiding resonating is preserved.
The stage that the initial dehydrating speed that will set during described generation covibration is adjusted into the dehydrating speed of avoiding resonating is to increase from the initial dehydrating speed of setting or reduce a certain amount of rotating speed and finish.
The rotating speed quantity that increases and decreases in the described adjusting stage is 50 rev/mins or 100 rev/mins.
At the washing machine with the motor that is used for dehydration, washing machine revolution speed control device provided by the invention comprises: the rotating speed options button that is used to select to carry out with the initial dehydrating speed of the corresponding setting of required dehydration dehydration; When under the initial dehydrating speed of setting, producing covibration, this dehydrating speed can be adjusted into the adjusting device of the dehydrating speed of avoiding resonating; Can observe the display screen of dehydrating speed quantity with the user.
The method for controlling number of revolution of washing machine provided by the invention and control device thereof can be adjusted the initial dehydrating speed of setting according to the fitness of environment ground that is provided with of washing machine, thereby therefore vibration and noise that the covibration that can prevent to produce when turning round because of washing machine causes can improve the prestige of production firm and product.
Description of drawings
Be elaborated below in conjunction with the method for controlling number of revolution and the control device thereof of the drawings and specific embodiments to washing machine provided by the invention.
Fig. 1 is the direct coupling type drum washing machine vertical structure cutaway view of prior art.
Fig. 2 is a time dependent rotation speed change curve map in the laundry machine dehydration process of prior art.
Fig. 3 is roller washing machine one an embodiment external structure stereogram provided by the invention.
Fig. 4 is the control device composition frame chart that is used for washing machine rotation speed control method provided by the invention.
Fig. 5 is a washing machine rotation speed control method flow chart provided by the invention.
Fig. 6 is another embodiment composition frame chart of control device that is used for washing machine rotation speed control method provided by the invention.
Critical piece label in the accompanying drawing:
101: rotating speed options button 102: the rotating speed enter key
150: resonance detection device 200: knob
300: display screen
The specific embodiment
Omitted the explanation of other parts beyond the parts that the motor initial dehydrating speed that produces covibration can be adjusted into the dehydrating speed of avoiding resonating in the following description, the abridged part is identical with prior art.As shown in Figure 3, the control device that can carry out washing machine rotation speed control method provided by the invention comprises: be arranged on the operating portion 100 on the washing machine front end face; Be arranged on the operating portion 100, be used to select the rotating speed options button 101 of initial dehydrating speed; The initial dehydrating speed that produces covibration can be adjusted into the knob 200 of the dehydrating speed of avoiding resonating; With the rotating speed enter key 102 that the dehydrating speed that resonates through avoiding of adjusting can be saved on the microprocessor 103 that is arranged at roller washing machine inside.And, also be provided with the display screen 300 that when utilizing knob 200 to adjust dehydrating speeds user can observe rotation speed change on the described controller of washer.In addition, microprocessor 103 on rotating speed options button 101, knob 200 and rotating speed enter key 102 and the washing machine is electrically connected, and as shown in Figure 4, microprocessor 103 and display screen 300, motor 104 and be arranged on for the rotating speed that detects motor 104 that near the speed detectors 105 the motor 104 also are electrically connected in the washing machine.And the knob 200 in the present embodiment also can use common key operation device.In addition, described controller of washer also has and can send alarm sound to the user, and the loudspeaker 400 that is electrically connected with microprocessor 103.
As shown in Figure 5, be provided with in the washing machine of a plurality of dehydrations that the user can select suitable initial dehydrating speed according to the kind of washings in inside, the method for controlling number of revolution of washing machine provided by the invention comprises: the S11 stage that begins to carry out dehydration; Carry out the S12 stage of dehydration according to the initial dehydrating speed of setting; When producing covibration (S13 stage), the initial dehydrating speed of setting is adjusted into the S14 stage of the dehydrating speed of avoiding resonating when under the initial dehydrating speed of setting, dewatering; The adjusted dehydrating speed of avoiding resonating is saved in S15 stage in the washing machine internal microprocessor 103; With the S16 stage of proceeding dehydration according to the dehydrating speed of avoiding resonating.Usually, a plurality of processes that are provided with in the washing machine that washings kind that the user can dewater is as required selected and dewater with the initial dehydrating speed of setting.That is, the user can be set at 600 rev/mins, 700 rev/mins or 800 rev/mins with initial dehydrating speed according to the kind of washings such as underskirt, jeans, normal laundry or woollen blanket, and is applied in each dehydration.
Describe washing machine rotation speed control method below in detail with above-mentioned a plurality of dehydrations.At first user's startup is arranged on ground washing machine and makes it begin to dewater (S11 stage).Then, in having a plurality of dehydrations of setting initial dehydrating speed respectively, select arbitrary process to dewater (S12 stage), whether produce covibration and whether cause vibration and noise thus between ground and the washing machine when observing motor 104 rotations simultaneously.If produce covibration this moment, the user can utilize knob 200 that the initial dehydrating speed of the setting of motor on the roller washing machine 104 is adjusted into the dehydrating speed of avoiding resonating (S14 stage), thereby avoids producing the dehydrating speed of covibration.Simultaneously, the dehydrating speed that has changed will be presented on the display screen 300.Such as when the initial dehydrating speed of setting is 700 rev/mins, having produced covibration, can utilize knob 200 that this rotating speed is reduced by 50 rev/mins or 100 rev/mins and becomes 650 rev/mins or 600 rev/mins, dewater according to 650 rev/mins or 600 rev/mins after changing then.In addition, increase or reduce in a certain amount of adjustment rotating speed stage at the initial dehydrating speed that utilizes knob 200 to set, should consider the rotating speed minor variations that causes by unbalance amount and reason such as easy to operate, preferably with a certain amount of, such as being that unit changes rotating speed with 50 rev/mins or 100 rev/mins.As mentioned above, when the initial dehydrating speed that will set changes over when avoiding resonating dehydrating speed, the motor that is moving can quicken its rotating speed to adjust to avoid the dehydrating speed that resonates, and at the uniform velocity turns round then, thereby avoids producing the initial dehydrating speed of covibration.Simultaneously the adjusted dehydrating speed of avoiding resonating is saved in by rotating speed enter key 102 in the microprocessor 103 of washing machine inside (S15 stage).When this dehydration finishes the back and when carrying out new dehydration, be kept at the dehydrating speed that resonates of avoiding in the microprocessor 103 and dewater (S16 stage) with regard to can be used as initial dehydrating speed.
In addition, the method for controlling number of revolution of washing machine provided by the invention equally also can be applicable to have in other washing machine of forming structure.At the resonance detection device 150 that is provided with shown in Figure 6, and resonance detection device 150 is connected in the washing machine on the microprocessor 103, the method for controlling number of revolution of washing machine provided by the invention comprises: the S11 stage that begins to carry out dehydration; Carry out the S12 stage of dehydration according to the initial dehydrating speed of setting; When resonance detection device 150 detected the dehydrating speed that produces covibration, it sent the S13 stage of signal to microprocessor 103; The initial dehydrating speed of setting that microprocessor 103 will produce covibration automatically is adjusted into the S14 stage of the dehydrating speed of avoiding resonating; S15 stage that this dehydrating speed is preserved then; With the S16 stage of using when the dehydration next time the dehydrating speed of avoiding resonating to dewater as initial dehydrating speed.At this moment, rotating speed enter key 102 in the washer operation portion 100 among Fig. 3 and knob 200 can be removed, when producing covibration, utilize resonance detection device 150 and microprocessor 103 just the initial dehydrating speed of setting can be changed over automatically and avoid the dehydrating speed that resonates, thereby need not user's operation.In addition, to be the initial dehydrating speed that will set increase and decrease with the quantity of 50 rev/mins or 100 rev/mins the foregoing description, also can adopt other tachometer value to increase and decrease to avoid producing the initial dehydrating speed of covibration.In addition, the accompanying drawing among the present invention is to be example with the roller washing machine, but this method for controlling number of revolution can also be applied in other the washing machine such as rotary drum washing machine.
Claims (5)
1, a kind of method for controlling number of revolution of washing machine, be provided with in the washing machine of a plurality of dehydrations that the user can select suitable initial dehydrating speed according to the kind of washings in inside, it is characterized in that: the method for controlling number of revolution of described washing machine comprises: according to the initial dehydrating speed of setting carry out dehydration stage (S11, S12); When under the initial dehydrating speed of setting, carrying out producing covibration in the dehydration, with the initial dehydrating speed of setting be adjusted into can avoid producing covibration avoid resonate dehydrating speed stage (S13, S14); Carry out the stage of dehydration (S16) thereafter with continuation after initially dehydrating speed is adjusted into the dehydrating speed of avoiding resonating with adjusted rotating speed.
2, the method for controlling number of revolution of washing machine according to claim 1 is characterized in that: the method for controlling number of revolution of described washing machine also comprises the stage (S15) that the adjusted dehydrating speed of avoiding resonating is preserved.
3, the method for controlling number of revolution of washing machine according to claim 1 is characterized in that: the stage (S14) that the initial dehydrating speed that will set during described generation covibration is adjusted into the dehydrating speed of avoiding resonating is to increase from the initial dehydrating speed of setting or reduce a certain amount of rotating speed and finish.
4, the method for controlling number of revolution of washing machine according to claim 3 is characterized in that: the rotating speed quantity of increase and decrease is 50 rev/mins or 100 rev/mins in the described adjusting stage (S14).
5, a kind of control device that is used for washing machine rotation speed control method as claimed in claim 1, washing machine having the motor that is used for dehydration is characterized in that: described washing machine revolution speed control device comprises: the rotating speed options button (101) that is used to select to carry out with the initial dehydrating speed of the corresponding setting of required dehydration dehydration; When under the initial dehydrating speed of setting, producing covibration, this dehydrating speed can be adjusted into the adjusting device of the dehydrating speed of avoiding resonating; Can observe the display screen (300) of dehydrating speed quantity with the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510013761 CN1876932A (en) | 2005-06-10 | 2005-06-10 | Rotation speed control method and control apparatus for washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510013761 CN1876932A (en) | 2005-06-10 | 2005-06-10 | Rotation speed control method and control apparatus for washing machine |
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| CN1876932A true CN1876932A (en) | 2006-12-13 |
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| CN 200510013761 Pending CN1876932A (en) | 2005-06-10 | 2005-06-10 | Rotation speed control method and control apparatus for washing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995354A (en) * | 2012-12-17 | 2013-03-27 | 南京乐金熊猫电器有限公司 | Method for improving Alpha water flow washing effect of washing machine |
| CN106436146A (en) * | 2015-08-05 | 2017-02-22 | 青岛海尔洗衣机有限公司 | Washing machine dehydration control method and washing machine |
| CN110295490A (en) * | 2019-06-14 | 2019-10-01 | 青岛海尔滚筒洗衣机有限公司 | A kind of clothes drying method and clothes treatment device |
| CN110726163A (en) * | 2019-10-23 | 2020-01-24 | 珠海格力电器股份有限公司 | Range hood and noise reduction device and method thereof |
-
2005
- 2005-06-10 CN CN 200510013761 patent/CN1876932A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995354A (en) * | 2012-12-17 | 2013-03-27 | 南京乐金熊猫电器有限公司 | Method for improving Alpha water flow washing effect of washing machine |
| CN106436146A (en) * | 2015-08-05 | 2017-02-22 | 青岛海尔洗衣机有限公司 | Washing machine dehydration control method and washing machine |
| CN110295490A (en) * | 2019-06-14 | 2019-10-01 | 青岛海尔滚筒洗衣机有限公司 | A kind of clothes drying method and clothes treatment device |
| CN110295490B (en) * | 2019-06-14 | 2023-10-27 | 青岛海尔洗涤电器有限公司 | Clothes drying method and clothes treatment equipment |
| CN110726163A (en) * | 2019-10-23 | 2020-01-24 | 珠海格力电器股份有限公司 | Range hood and noise reduction device and method thereof |
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Open date: 20061213 |