CN1076413C - Washing machine with dewatering function - Google Patents

Washing machine with dewatering function Download PDF

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Publication number
CN1076413C
CN1076413C CN97102437A CN97102437A CN1076413C CN 1076413 C CN1076413 C CN 1076413C CN 97102437 A CN97102437 A CN 97102437A CN 97102437 A CN97102437 A CN 97102437A CN 1076413 C CN1076413 C CN 1076413C
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CN
China
Prior art keywords
motor
revolution
washing
dewatering groove
washing machine
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN97102437A
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Chinese (zh)
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CN1165214A (en
Inventor
吉田胜昭
榛地义和
松井正一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN1165214A publication Critical patent/CN1165214A/en
Application granted granted Critical
Publication of CN1076413C publication Critical patent/CN1076413C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • D06F37/30—Driving arrangements 
    • D06F37/36—Driving arrangements  for rotating the receptacle at more than one 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
    • 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
    • D06F37/206—Mounting of motor
    • 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
    • D06F37/30—Driving arrangements 
    • D06F37/40—Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively

Abstract

Washing machine with dewatering function of the present invention. The spin-drying washer tank is rotatably supported in a water receiving tank elastically supported in the washer main body for washing and dewatering. The purpose of the present invention is to decreasing the size of the engine, in the state of not enlarging the washer main body, to enlarge the capacity of the spin-drying washer tank, to improve operability, and to easily provide a rotation number of a spin-drying washer tank in a spin-drying process. A cylinder 1 (spin-drying washer tank) is rotatably supported in a water receiving tank 3 elastically supported in a washer main body. It is provided with a first motor 15 to rotate the cylinder at low speed, and a second motor 16 to rotate it at high speed.

Description

The washing machine of band dehydrating function
The present invention relates to the interior interior band dehydrating function washing machine that washings is washed, dewaters of washing and dewatering groove that rotates configuration freely of Storage water tank of elasticity support in a kind of body of the washing machine.
This in the past band dehydrating function washing machine constitutes as shown in Figure 6, the following describes its formation.
As shown in the figure, be formed with many limberss 2 on whole of cylinder (washing and dewatering groove) 1 peripheral part, and rotation is configured in the Storage water tank 3 end of fixing horizontal axle 4 on the pivot of cylinder 1, resting barrel pulley 5 on the other end of trunnion axis 4 freely.Motor 6 links by belt 7 and cylinder pulley 5, rotates head roll 1.The peristome of cylinder 1 opens and closes and is provided with door 8 freely.
Storage water tank 3 is suspended in the body of the washing machine 9 by spring body 10, and by the 11 vibrationproof supports of vibrationproof damper, the vibration transfer when avoiding dewatering and is provided with the counterweight 12 of vibration when reducing dehydration to body of the washing machine 9.Heater 13 heating Storage water tanks 3 washed water are used.The action of 14 pairs of motor 6 of control device, heater 13 etc. is controlled, and controls a series of processes such as washing, rinsing, dehydration successively.
With regard to above-mentioned formation explanation action, open door 8, drop into washings in the cylinder 1, running at the beginning, washing process intermediate roll 1 is just driven by motor 6 low speed rotation, drops on the water surface after on the interior washings band of cylinder 1 again.Carry out washing process like this.Also carry out the action identical in the rinse cycle with washing process.In the dehydration, rotate head roll 1 at a high speed, to the washings centrifugal dehydration.At this moment, the washings in the cylinder 1 relies on monolateral, that is to say to produce imbalance, and cylinder 1 and Storage water tank 3 just vibrate, but make vibration attenuation by vibrationproof damper 11, to avoid being passed to body of the washing machine 9.
In the middle of this existing formation, the revolution of cylinder 1 is about 53rpm in washing process, is about 1000rpm in the dehydration, obtain these revolutions, adopts commutator motor as motor 6.Therefore, exist 6 life-spans of motor short, the short this problem of washing machine durable years.
Address this is that, when motor 6 adopts induction conductivity, in washing process and the dehydration, need wait switching motor 6 revolutions by switching number of poles during driving, exist motor 6 sizes to increase, thereby body of the washing machine 9 sizes become big this problem, as body of the washing machine 9 size constancies, then have washing capacity to be restricted this problem.
In the dehydration, the speed reducing ratio of motor 6 revolutions and cylinder 1 revolution is little, thereby will make cylinder 1 rise to the dehydration revolution, and the torque that motor torque need be bigger than washing process exists motor 6 sizes further to increase this problem.
The present invention solves above-mentioned existing problem just, its purpose is to make motor size to reduce, the washing and dewatering tankage is increased, and operation convenience improves, and makes the revolution raising of washing and dewatering groove in the dehydration become easy.
The washing and dewatering groove is disposed in the interior rotation of the Storage water tank of elasticity support freely in the band dehydrating function washing machine of the present invention, body of the washing machine, and by the first motor low speed rotation, second motor rotates the washing and dewatering groove at a high speed.
Therefore, can reduce the size of first and second motor, the washing and dewatering tankage is increased, improve operation convenience, and can make the revolution raising of washing and dewatering groove in the dehydration become easy.
Claim 1 described invention of the present invention comprises: the Storage water tank that elasticity is supported in the body of the washing machine; The washing and dewatering groove that rotation is disposed freely in the described Storage water tank; Make first motor of described washing and dewatering groove low speed rotation; Second motor that described washing and dewatering groove is rotated at a high speed.Each revolution of washing and dewatering groove is all by dividing other Motor Drive, thereby can reduce the size of each motor, the washing and dewatering tankage is increased, improve operation convenience, and washing and dewatering groove revolution is improved during the rotation of dehydration high speed to become easy.
Claim 2 described inventions, based on above-mentioned claim 1 described the present invention, the washing and dewatering groove when low speed rotation such as washing by first Motor Drive, and when high speeds such as dehydration are rotated by described first motor starting after again by second Motor Drive.Required revolution during low speed rotation such as first motor output washing, torque are just passable, and second motor is can starting torque less, thereby first motor, second motor can miniaturization.Claim 3 described inventions, based on above-mentioned claim 1 or claim 2 described inventions, the washing and dewatering groove, is driven by second revolution by first revolution rotation after-acceleration by first motor again, and then switches to second motor and drive.The washing and dewatering groove is by making washings break away from the state that adheres at washing and dewatering groove inner face by the rotation of first revolution, can be suppressed at and quicken to cause the washings imbalance under this state, switch to second motor and carry out high speed when rotating, can reduce the vibration that the washings imbalance causes.
Claim 4 described inventions, based on above-mentioned claim 1～3 described invention, comprise the revolution speed detecting device that detects first motor or the second motor revolution, when the revolution change is lower than setting during first motor is by the rotation of second revolution, just switches to second motor and drive.The change of revolution in the time of can passing through by second revolution driving washing and dewatering groove, detect the state of washings in the washing and dewatering groove, when being lower than setting, the revolution change judges the washings balance, when switching to second motor again and running up, can reduce the vibration that the washings imbalance is caused.
Claim 5 described inventions, based on above-mentioned claim 3 or 4 described inventions, the washing and dewatering groove drives the stipulated time by first motor with second revolution, revolution is improved after, switch to second motor again and drive.Can improve washing and dewatering groove revolution when switching to second motor, even if thereby the second motor starting torque is less also can quicken the washing and dewatering groove, drive with second revolution, can make the further miniaturization of second motor.
Claim 6 described inventions, based on above-mentioned claim 1 to 5 described invention, the washing and dewatering groove comprises the driven pulley with two kinds of speed reducing ratio, driven pulley first motor and speed reducing ratio is big by belt links, by the belt driven pulley binding that second motor and speed reducing ratio is little.Can be by having the same driven pulley of two kinds of speed reducing ratio, drive washing and dewatering groove with second motor by different revolutions by first motor, and, when high speeds such as dehydration are rotated, can be mechanical switching device shifter earlier by first motor with the low speed rotation after-acceleration, switch to second motor again and drive, can accomplish miniaturization.
Claim 7 described inventions, based on claim 6 described inventions, first motor is made of the induction conductivity that is connected with power capacitor, during second Motor Drive described power capacitor is disconnected.First motor is by driven pulley and belt and the binding of second motor, when second Motor Drive, the rotation of first motor, thereby can prevent from owing to produce reverse induced potential first motor to be applied this situation of braking by disconnecting power capacitor.
Fig. 1 is the sectional view of one embodiment of the invention band dehydrating function washing machine.
Fig. 2 is the rearview of this band dehydrating function washing machine partly cut-away.
Fig. 3 is the frame circuit diagram of this band dehydrating function washing machine.
Fig. 4 is the workflow diagram of the washing and dewatering groove of this band dehydrating function washing machine when rotating at a high speed.
Fig. 5 is the working timing figure of the washing and dewatering groove of this band dehydrating function washing machine when rotating at a high speed.
Fig. 6 is the sectional view of existing band dehydrating function washing machine.
Next with reference to the description of drawings embodiment of the invention.In addition, add same numeral and omit explanation with the conventional example same section.
As depicted in figs. 1 and 2, first motor 15 with 16 on low speed (for example 53rpm) swing roller (washing and dewatering groove) 1, the second motor with (for example 1000rpm) swing roller 1 at a high speed.These first motor 15 and second motor 16 are made of induction conductivity, respectively by belt 17,18 and 19 bindings of driven pulley.
Driven pulley 19 has two kinds of speed reducing ratio, first motor 15 links by the big driven pulley 19a of belt 17 and speed reducing ratio, second motor 16 links by the little driven pulley 19b of belt 18 and speed reducing ratio, is fixed on the other end that the one end is fixed in the trunnion axis 4 of cylinder 1 pivot.
Control device 20 is devices that first motor 15, second motor 16 etc. are controlled, and constitutes as shown in Figure 3.Control device 21 is made of microcomputer, power switch device 22 by the bidirectional triode thyristor formation, heater 13, first motor 15, second motor 16, feed water valve 23, draining pump 24 etc. are controlled, controlled washing, rinsing, a series of processes of dehydration successively.Heater 13 is the devices to the heating of the washings in the Storage water tank 3, and feed water valve 23 is the devices that supply water in Storage water tank 3, and draining pump 24 is devices that the washings in the Storage water tank 3 are discharged.
Input setting device 25 is devices of the desired setting program of input user, action starting etc., and inputs to control device 21.The content that display unit 26 demonstration input setting devices 25 are set, operating state etc.The water level that condensate tank of dehumidifier 27 detects in the Storage water tank 3, the water temperature that temperature detector 28 detects in the Storage water tank 3 inputs to control device 21 respectively.Revolution speed detecting device 29 detects the revolution of first motor 15, inputs to control device 21.The data that a series of controls of storage device 30 storages are required etc.
Control device 21 becomes, and by first motor, 15 head rolls 1, by after 15 startings of first motor, is driven by second motor 16 when high speeds such as dehydration are rotated during low speed rotation such as washing again.When rotating at a high speed, (revolution when turning round with washing is identical by the first revolution N1 by first motor 15, also can a bit but hang down again, for example be 53rpm) head roll 1 after-acceleration, drive one period stipulated time by the second revolution N2 (for example being 90rpm) again, after making revolution rise to the 4th revolution N4 (for example being 110rpm), switch to second motor 16 again to drive, by the 3rd revolution N3 (1000rpm) rotation.
Here, when driving by the second revolution N2, when the revolution change of first motor 15 that detects when revolution speed detecting device 29 is lower than setting, switches to second motor 16 and drive by first motor 15.The power capacitor 31 of first motor 15 is connected in series with switch element 32, the second motor 16 that are made of bidirectional triode thyristor etc. when rotating at a high speed, disconnects according to the output of control device 21 power capacitor 31 with first motor 15.In addition, 33 is civil power, and 34 is power switch.
With regard to above-mentioned formation explanation action, open door 81, in cylinder 1, drop into washings, after connecting power switch 34, operation input setting device 25 firing switcies (not shown) are during entry into service, feed water valve 23 actions are supplied water, in a single day condensate tank of dehumidifier 27 detects predetermined water level, just stops to supply water, and drives first motor 15.In the washing process because washings is moisture, therefore make-up water on one side, on one side by first motor 15 with low speed rotation head roll 1, drop down onto on the water surface after on the washings band in the cylinder 1.
At this moment, to the washings in the heater 13 energising heating Storage water tanks 3, the water temperature that detects in the Storage water tanks 3 by temperature detector 28, with the temperature of washing water basic controlling on uniform temperature.When washing process finished, the washings in the Storage water tank 3 were discharged in draining pump 24 actions.After this, through rinse cycle, to rotate head roll 1 at a high speed, washings is carried out centrifugal dehydration in dehydration.
Action when illustrating that with reference to Fig. 4 and Fig. 5 cylinder 1 rotates at a high speed.In Fig. 4 step 40, begin to run up, step 41 is connected first motor 15.At this moment, the revolution with cylinder 1 is set at the first revolution N1.15 startings of first motor, cylinder 1 is as shown in Figure 5 by first revolution N1 rotation.Step 42 is started control device 21 built-in timers, and during step 43 elapsed time t1, step 44 and step 45 slowly improve the setting revolution, till time t2, in step 46 cylinder 1 revolution are set at the second revolution N2.
Therefore, the revolution of cylinder 1 slowly improves from time t1 as shown in Figure 5, rotates with the second revolution N2 when time t2.By with the first revolution N1 swing roller 1, washings just breaks away from the state that is attached to cylinder 1 inner face in the cylinder 1, can suppress the imbalance that acceleration this state under causes washings.
Next in step 47 and step 48, judge between early stage at time t3 whether the revolution change of revolution speed detecting device 29 detected first motor 15 is lower than setting, enter step 49 when being lower than setting, return step 41 when surpassing setting.Thereby can change the state of washings in cylinder 1 that detect by the revolution by with the second revolution N2 head roll 1 time, when being lower than setting, the revolution change can judge the washings balance, when switching to second motor and running up, can reduce the vibration that the washings imbalance causes.
Step 49 is set at the 4th revolution with cylinder 1 revolution, once time of advent during t4, then disconnects first motor 15 in step 51, and step 52 is connected second motor 16.At this moment, switch element 32 is ended, power capacitor 31 disconnections with first motor 15 enter next process in step 53.Therefore, cylinder 1 quickens as shown in Figure 5, rotates at a high speed by the 3rd revolution N3.
At this moment, the 4th revolution N4 is to first motor 15 revolution during energising comprehensively, is increased to the 4th revolution N4 and switches to second motor 16 by the revolution with this cylinder 1, and the starting torque of second motor 16 is further reduced, and reaches miniaturization.And first motor 15 rotates by belt 17,18 and 16 bindings of second motor, but can avoid reverse perceptual voltage to produce by disconnecting power capacitor 31, prevents that reverse induced potential from applying braking action to first motor 15.
In addition, in the foregoing description, although be that rotation explains to the high speed of dehydration intermediate roll 1, the supply water situation of rinsing of limit water supply limit high speed swing roller 1 is also identical in the rinse cycle.
And, when rotating at a high speed, be by 1 after-acceleration of the first revolution N1 head roll by first motor 15, drive the stipulated time by the second revolution N2 again, after making revolution be increased to the 4th revolution N4, switch to again that second motor 16 drives, drive but also can switch to second motor 16 by the second revolution N2.
And revolution speed detecting device 19 is that the revolution to first motor 15 detects, but also can detect the revolution of second motor 16.
In addition, the washing and dewatering groove is to describe for the cylinder 1 that trunnion axis is fixed in pivot, but also can be that vertical axis rotates around the center.
In sum, according to claim 1 described invention of the present invention, comprising: the Storage water tank that elasticity is supported in the body of the washing machine; The washing and dewatering groove that rotation is disposed freely in the described Storage water tank; Make first motor of described washing and dewatering groove low speed rotation; Second motor that described washing and dewatering groove is rotated at a high speed.Thereby, each revolution of washing and dewatering groove is all by dividing other Motor Drive, can reduce the size of each motor, the washing and dewatering tankage is increased, can improve operation convenience, and the rotation of dehydration high speed the time can make washing and dewatering groove revolution improve to become easy.
According to claim 2 described inventions, the washing and dewatering groove when low speed rotation such as washing by first Motor Drive, and when high speeds such as dehydration are rotated by described first motor starting after again by second Motor Drive.Thereby required revolution during low speed rotation such as first motor output washing, torque are just passable, and second motor is can starting torque less, thereby first motor, second motor can miniaturization.
According to claim 3 described inventions, the washing and dewatering groove, is driven by second revolution by first revolution rotation after-acceleration by first motor again, and then switches to second motor and drive.Thereby, the washing and dewatering groove is by making washings break away from the state that adheres at washing and dewatering groove inner face by the rotation of first revolution, can suppress under this state to quicken and cause the imbalance of washings, switch to second motor and carry out high speed when rotating, can reduce the vibration that the washings imbalance causes.
According to claim 4 described inventions, comprise the revolution speed detecting device that detects first motor or the second motor revolution, when the revolution change is lower than setting during first motor is by the rotation of second revolution, just switches to second motor and drive.Thereby, can be when driving the washing and dewatering groove by second revolution change of revolution, detect the state of washings in the washing and dewatering groove, when switching to second motor and run up, can reduce the vibration that the washings imbalance is caused.
According to claim 5 described inventions, the washing and dewatering groove drives the stipulated time by first motor with second revolution, revolution is improved after, switch to second motor again and drive.Thereby, can improve washing and dewatering groove revolution when switching to second motor, can make the further miniaturization of second motor thus.
According to claim 6 described inventions, the washing and dewatering groove comprises the driven pulley with two kinds of speed reducing ratio, and driven pulley first motor and speed reducing ratio is big by belt links, by belt driven this belt wheel binding that second motor and speed reducing ratio is little.Thereby, can pass through same driven pulley, drive washing and dewatering groove with second motor by different revolutions by first motor, and, when high speeds such as dehydration are rotated, can be mechanical switching device shifter earlier by first motor with the low speed rotation after-acceleration, switch to second motor again and drive, can accomplish miniaturization.
According to claim 7 described inventions, first motor is made of the induction conductivity that is connected with power capacitor, during second Motor Drive described power capacitor is disconnected.Thereby, when second motor rotates,, on first motor, add this situation of braking even if the rotation of first motor also can prevent that reverse induced potential from producing by disconnecting power capacitor.And, can be with second motor miniaturization, in addition, owing to be induction conductivity thereby can life-saving.

Claims (6)

1. a band dehydrating function washing machine is characterized in that, comprising: the Storage water tank that elasticity is supported in the body of the washing machine; The washing and dewatering groove that rotation is disposed freely in the described Storage water tank; Make first motor of described washing and dewatering groove low speed rotation; Second motor that described washing and dewatering groove is rotated at a high speed, washing and dewatering groove when low speed rotation such as washing by first Motor Drive, and when high speeds such as dehydration are rotated by described first motor starting after again by second Motor Drive.
2. band dehydrating function washing machine as claimed in claim 1 is characterized in that, the washing and dewatering groove, is driven by second revolution by first revolution rotation after-acceleration by first motor again, and then switches to second motor and drive.
3. band dehydrating function washing machine as claimed in claim 1, it is characterized in that, also comprise the revolution speed detecting device that detects first motor or the second motor revolution, when the revolution change is lower than setting during first motor is by the rotation of second revolution, just switches to second motor and drive.
4. band dehydrating function washing machine as claimed in claim 1 is characterized in that, the washing and dewatering groove drives one period stipulated time by first motor with second revolution, revolution is improved after, switch to second motor again and drive.
5. band dehydrating function washing machine as claimed in claim 1, it is characterized in that, the washing and dewatering groove comprises the driven pulley with two kinds of speed reducing ratio, driven pulley first motor and speed reducing ratio is big by belt links, by the belt driven pulley binding that second motor and speed reducing ratio is little.
6. band dehydrating function washing machine as claimed in claim 1 is characterized in that first motor is made of the induction conductivity that is connected with power capacitor, during second Motor Drive described power capacitor is disconnected.
CN97102437A 1996-02-09 1997-02-06 Washing machine with dewatering function Expired - Fee Related CN1076413C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP23578/96 1996-02-09
JP8023578A JPH09215886A (en) 1996-02-09 1996-02-09 Spin-drying washer
JP23578/1996 1996-02-09

Publications (2)

Publication Number Publication Date
CN1165214A CN1165214A (en) 1997-11-19
CN1076413C true CN1076413C (en) 2001-12-19

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Application Number Title Priority Date Filing Date
CN97102437A Expired - Fee Related CN1076413C (en) 1996-02-09 1997-02-06 Washing machine with dewatering function

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JP (1) JPH09215886A (en)
KR (1) KR100262898B1 (en)
CN (1) CN1076413C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778692B1 (en) 2006-12-20 2007-11-22 주식회사 대우일렉트로닉스 Washing machine comprising agitator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86204056U (en) * 1986-09-05 1987-05-06 杨效禹 Full-automatic drum type washing machine
CN2140381Y (en) * 1992-11-18 1993-08-18 清远市清城区丰泰家用电器厂 Full automatic top-set cylinder washer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654989A (en) * 1992-08-11 1994-03-01 Sharp Corp Washing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86204056U (en) * 1986-09-05 1987-05-06 杨效禹 Full-automatic drum type washing machine
CN2140381Y (en) * 1992-11-18 1993-08-18 清远市清城区丰泰家用电器厂 Full automatic top-set cylinder washer

Also Published As

Publication number Publication date
JPH09215886A (en) 1997-08-19
CN1165214A (en) 1997-11-19
KR970062155A (en) 1997-09-12
KR100262898B1 (en) 2000-08-01

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