CN100432322C - Process control method for washing machine - Google Patents
Process control method for washing machine Download PDFInfo
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- CN100432322C CN100432322C CNB031303331A CN03130333A CN100432322C CN 100432322 C CN100432322 C CN 100432322C CN B031303331 A CNB031303331 A CN B031303331A CN 03130333 A CN03130333 A CN 03130333A CN 100432322 C CN100432322 C CN 100432322C
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Abstract
The present invention relates to a method for controlling the process of a washing machine. The washing machine can realize a washing process by adopting two following modes in a selective mode that in the stirrer mode, a reversed phase motor is used for driving a stirrer singly; in the washing cylinder mode, the stirrer and the washing cylinder are driven simultaneously. In the washing machine, the control method comprises the following stages that if washing commands are input, the quantity of clothing of washings which are put into the washing machine is detected; according to the detected quantity of the clothing, washing water corresponding to the quantity of the clothing is filled; in a washing process, a door is detected whether the door is opened or not; if the door is detected to be opened, the present mode (stirrer/washing cylinder) is judged; according to judged mode, the quantity of the clothing is detected, and according to a judged result, water supply is carried out if necessary so as to realize wash. By adopting the design proposal of the present invention, washing performance and product reliability can be improved, and simultaneously, the service life of products can be prolonged.
Description
Technical field
The present invention relates to a kind of method of controlling washing machine, more precisely about the invention of the stroke control method aspect of washing machine.
Background technology
In general, washing machine is that rubbing action, the washing stirr of the emulsification by washing agent, the current that rotate with washing stirr (pulsator) acts on the percussion on the washings and the machine that will remove attached to all contaminations above clothes, the bedroom thing etc., thereby it can come the amount and the kind automatic setting washing methods of perception washings by sensor, and amount and kind according to washings are injected into suitable water level with washings, carry out washing process then under the control of micro computer.
In addition, the type of drive of existing automatic washing machine has following several, promptly by transmitting belt (belt) and the belt pulley (pulley) that power is used, send the rotary power of drive motors to wash shaft or dehydrating shaft, thus the mode that agitator or dehydration barrel are rotated; By to the control of the speed of BLDC motor (Brushless DC Motor), make washtub hold concurrently dehydration barrel washing during with dehydration respectively in the mode of different speed rotations; Do not utilize parts such as belt, belt pulley in addition in addition, but directly drive the washtub mode of dehydration barrel and agitator of holding concurrently selectively by anti-phase (invert) mode.
For aforesaid washing machine, if the user has imported the washing instruction, it at first detects laundry amounts so, injects its corresponding washings according to detected laundry amounts then, thereby realizes washing strokes such as washing, rinsing, dehydration.
In addition, in the process that washing is carried out, though may have the situation that the user opens door as required, adds washings, washing machine can't be carried out certain action in addition at this situation in the process that washing is carried out, and it just keeps original water level to carry out existing washing stroke.
Adopt the problem of the washing machine existence of prior art to be: even the user opens door, adds washings in the process that washing is carried out, therefore washing machine can not carry out certain action in addition yet, and just proceeds washing.Owing to it can not start the feedwater action because of the increase of washings, thereby can make the scourability variation of washing machine, Fu He increase simultaneously also can cause the damage of parts.
This shows that above-mentioned existing washing machine still has many defectives to the control method of stroke, and the assistant officer waits to be improved.
Because above-mentioned existing washing machine is to the defective of the control method existence of stroke, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, in the hope of the empty system method of the stroke of founding a kind of improved washing machine, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective of the stroke control method existence of existing washing machine, and provide a kind of stroke control method of improved washing machine, make it promptly can inject an amount of washings, thereby solve the problem of scourability components damage low and that cause because of the increase of load according to the situation that has washings to add in the process of carrying out to come in washing.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The stroke control method of the washing machine that proposes according to the present invention, it is characterized in that: at first washing machine can adopt following two kinds of patterns to realize washing stroke selectively, a kind of is the pulsator mode of utilizing anti-phase motor (inverter motor) to come single driving agitator (pulsator), and another kind is the washtub pattern that drives agitator and washtub simultaneously.In such washing machine, by forming, washing instruction input is arranged even, then the stage that the laundry amounts of the washings put into is now detected with the next stage; Inject the stage of its corresponding washings according to detected laundry amounts; The stage that whether detecting gate is opened in the process that washing is carried out; If detect and opened, so with regard to present pattern to stage that pulsator mode/the washtub pattern is judged; According to the pattern that judges laundry amounts is detected, and, feed water again according to this judged result, thus the stage of realizing washing.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the present invention is owing to adopt technique scheme, even the user has added washings again in washing machine in the process that washing is carried out, also can detect this, and judge present pattern (agitator/washtub), according to present mode detection laundry amounts, and the washings that adapt of injection and final laundry amounts, thereby realize washing.Not only can prevent the problem that scourability reduces, can also prevent from simultaneously to cause components damage because of load increases.In addition, detect laundry amounts and may cause whole stroke to postpone in washing stroke, the present invention then can drop to this delay degree minimum, thereby improves scourability and reliability of products, can also prolong the service life of product simultaneously.
The present invention is on detection method design, the practicality of using and cost benefit, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it does not see any publication, do not see more that before application that identical detection method feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
The method that design of the present invention detects really has more technological progress than the stroke control method of existing washing machine, and its unique design method and more can also be far from existing washing machine and can compare to the control method of stroke, more existing washing machine has more technical progress to the control method of stroke, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention studies this series products experience of existing ten several years, for existing washing machine existing problem of the control method of stroke and defective are quite understood, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and more existing washing machine has suitable enhancement effect to the true accessory of the control method of stroke, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and the detection scheme of design is simple, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter in the use or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the composition frame chart of washing machine of the present invention.
Fig. 2 is the flow chart of the stroke control method of washing machine of the present invention.
The number in the figure explanation:
11. rectification part 12. motors
13. drive division 14.SMPS
15. velocity sensor 16. voltage detection departments
17. micro computer 18. user's interface portion
20. 19.LCD buzzers
21. main micro computer
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 1, shown in Figure 2, the stroke control method of washing machine of the present invention adopts the washing machine of anti-phase motor (inverter motor) direct drive mode, and it comprises with the lower part and forming that promptly rectification part 11, and it is used for AC power commonly used is carried out rectification; Motor 12, it is used for providing rotary power to the washtub of washing machine and agitator (pulsator) etc.; Drive division 13, it is made of the phase inverter (Inverter) that possesses several IGBT (Insulating Gate Bipolar Transistor), it can be with the 1st pattern (mode) and the 2nd mode activated, wherein above-mentioned the 1st pattern is meant to above-mentioned motor 12 provides 3 phases (U/V/W) power supply, the 2nd pattern is meant and motor 12 is controlled to anti-phase that just the voltage inversion that will produce by the rotation of motor is to circuit; SMPS (Switching Mode PowerSupply) 14, it can become the voltage transitions of rectification part 11 outputs setting voltage (5V) back output; Velocity sensor 15, it is used for detecting the rotary speed of above-mentioned motor 12; Braking resistor Rb, it can consume into heat with the generating voltage that the motor 12 of inversion takes place in above-mentioned drive division 13, thereby prevents the circuit damage; Transistor (transistor) T1, it is used for driving braking resistor Rb; Voltage detection department 16, it is used for detecting the output voltage values (level) of the above-mentioned rectification part 11 of having passed through above-mentioned braking resistor Rb; Micro computer 17, it can control above-mentioned drive division 13 and transistor T1 with reference to the output of above-mentioned velocity sensor 15 and voltage detection department 16; Door switch (door switch) (omitting among the figure), it is installed in a side of door, and it is used for detecting user's the action and send the information of opening the door to above-mentioned micro computer 17 of opening the door; User's interface portion (interface) 18, it comprises touch panel or press key input section etc., is used for importing the exercises instruction for the user; LCD19, it is used for showing the information such as operating state of washing machine; Buzzer (buzzer) 20; Main micro computer (main micom) 21, in order to drive the various loads that comprise motor 12, so that they can move according to the action command that the user imports by above-mentioned user's interface 18, it can comprise the various data communication of control signal with above-mentioned micro computer 17, and it can also go out the unusual of supply voltage by the communication check with above-mentioned micro computer 17, thereby drive above-mentioned LCD19 and buzzer 20, so that warning message or buzz that their output has configured.
Comprise clutch (Clutch) in addition, it can realize following two kinds of drive patterns selectively when washing and rinsing, promptly only drive the pulsator mode of agitator, drives the washtub pattern of washtub and agitator simultaneously.
Elemental motion to washing machine with above structure is illustrated below.
At first, if the user has imported the washing instruction by user's interface portion 18, so main micro computer 21 will be discerned this, and to the certain control signal of micro computer 17 outputs, thereby drive load so that they are according to washing decimal coded (algorism) operation of having set.
Therefore, micro computer 17 can make drive division 13 with the 1st mode operation, thereby be consistent with the washing decimal coded of having set (algorism), output according to velocity sensor 15 comes drive motors 12 rotations, solenoidoperated cluthes make it switch to pulsator mode simultaneously, drive loads such as water-supply valve in addition, thereby realize washing, rinsing and dehydration.
In when dehydration, micro computer 17 can make it switch to the washtub pattern by the above-mentioned clutch of control in addition, and drives load such as draining valve, washtub and agitator is rotated simultaneously, thereby realize dehydration.
And main micro computer 21 can also make it that operating state is shown, and can control buzzer 20 according to present operating state control LCD19, makes it according to the operating state sound that gives a warning.
The stroke control method of aforesaid washing machine of the present invention as shown in Figure 2, at first, main micro computer 21 will be judged S21 to whether washing instruction input is arranged.
Here, the washing instruction is imported by user's interface 18 by the user.
If above-mentioned judged result S21 is for there being washing instruction input, so main micro computer 21 just to micro computer 17 output control signals, according to the various loads of mode activated that are fit in present agitator/washtub pattern, thereby detects S22 to laundry amounts.
, can adopt following multiple mode to the detection of laundry amounts here, promptly the number of times that feeds water again be counted the mode of (counting), the inclined degree of calculating rotary speed increase/minimizing or utilization reach the mode of the time till the setting speed etc.
Next, inject its corresponding washings according to detected laundry amounts in above-mentioned stage S22, thereby begin to wash S23.
And in the process that washing is carried out, also to whether there be breakdown action to judge S24 by the door switch opposite house.
If above-mentioned judged result S24 is opened for door, so the user to throw in the possibility of clothing again in washing machine bigger, therefore next to judge S25 to present pattern (agitator/washtub).
According to the pattern that in above-mentioned stage S25, judges, laundry amounts is detected S26 then.
Here, why in the process that washing is carried out, judge present pattern, and laundry amounts is detected according to the pattern that judges, be because if pattern is set when detecting laundry amounts, and present pattern is different with the pattern of having set, need convert the pattern of having set to,, thereby can have the problem that whole stroke is extended so because this conversion needs the regular hour.Therefore to detect laundry amounts according to the pattern that judges now.
Next turn back to above-mentioned stage S23, inject its corresponding washings, thereby realize washing process according to detected laundry amounts.
Certainly, if be that laundry amounts does not increase, so just keep the original water yield to carry out remaining washing stroke to the result of clothes amount detection.
In addition, if above-mentioned judged result S24 so just proceeds washing for not detecting the action of a unlatching, and whether washing stroke is finished to judge S27, if washing finishes then to finish whole process.
On the other hand, if above-mentioned judged result S27 so just turns back to above-mentioned stage S24 for washing does not finish, proceed all the other stage S25～S27.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (1)
1, a kind of stroke control method of washing machine, it is characterized in that: at first washing machine can adopt following two kinds of patterns to realize washing stroke selectively, a kind of is the pulsator mode of utilizing anti-phase motor to come the single driving agitator, and another kind is the washtub pattern that drives agitator and washtub simultaneously; In such washing machine, by forming, washing instruction input is arranged even, then the stage that the laundry amounts of the washings put into is now detected with the next stage; Inject the stage of its corresponding washings according to detected laundry amounts; The stage that whether detecting gate is opened in the process that washing is carried out; If detect and opened, so with regard to present pattern to stage that pulsator mode/the washtub pattern is judged; According to the pattern that judges laundry amounts is detected, and, feed water again according to this judged result, thus the stage of realizing washing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031303331A CN100432322C (en) | 2003-06-30 | 2003-06-30 | Process control method for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031303331A CN100432322C (en) | 2003-06-30 | 2003-06-30 | Process control method for washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN1566452A CN1566452A (en) | 2005-01-19 |
| CN100432322C true CN100432322C (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031303331A Expired - Fee Related CN100432322C (en) | 2003-06-30 | 2003-06-30 | Process control method for washing machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485122B (en) * | 2013-06-26 | 2015-11-25 | 无锡小天鹅股份有限公司 | The control method of washing machine and parameter thereof |
| JP7492701B2 (en) * | 2019-12-20 | 2024-05-30 | 青島海爾洗衣机有限公司 | washing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779430A (en) * | 1984-10-19 | 1988-10-25 | Hitachi, Ltd. | Fully-automated washer |
| CN1120665A (en) * | 1994-07-07 | 1996-04-17 | Lg电子株式会社 | Washing weight detection apparatus and method thereof |
| JPH10323492A (en) * | 1997-05-26 | 1998-12-08 | Toshiba Corp | Washing machine |
| JPH11252981A (en) * | 1998-03-04 | 1999-09-17 | Matsushita Electric Ind Co Ltd | Electric washing machine |
| CN1396330A (en) * | 2001-07-10 | 2003-02-12 | Lg电子株式会社 | Device and method for measuring clothes weight in washing machine |
-
2003
- 2003-06-30 CN CNB031303331A patent/CN100432322C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779430A (en) * | 1984-10-19 | 1988-10-25 | Hitachi, Ltd. | Fully-automated washer |
| CN1120665A (en) * | 1994-07-07 | 1996-04-17 | Lg电子株式会社 | Washing weight detection apparatus and method thereof |
| JPH10323492A (en) * | 1997-05-26 | 1998-12-08 | Toshiba Corp | Washing machine |
| JPH11252981A (en) * | 1998-03-04 | 1999-09-17 | Matsushita Electric Ind Co Ltd | Electric washing machine |
| CN1396330A (en) * | 2001-07-10 | 2003-02-12 | Lg电子株式会社 | Device and method for measuring clothes weight in washing machine |
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| Publication number | Publication date |
|---|---|
| CN1566452A (en) | 2005-01-19 |
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Granted publication date: 20081112 |