CN1566458A - Method for detecting clothes weight in washing machine - Google Patents
Method for detecting clothes weight in washing machine Download PDFInfo
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- CN1566458A CN1566458A CN 03130332 CN03130332A CN1566458A CN 1566458 A CN1566458 A CN 1566458A CN 03130332 CN03130332 CN 03130332 CN 03130332 A CN03130332 A CN 03130332A CN 1566458 A CN1566458 A CN 1566458A
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- agitator
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Abstract
The invention relates to a clothes amount detecting method for a washing machine, which can detect the clothes amount accurately in the washing machine of directly reversed motor driving mode. The method includes the following steps: accelerating the mixer when a washing instruction is inputted; timing when the rotation speed reaches the setting speed; comparing the timing result with the clothes amount table which is set by time to detect the clothes amount. The invention can execute the most proper clothes amount detection according to the washing machine characteristics.
Description
Technical field
The present invention relates to a kind of detection method of washing machine, more precisely about the invention of the method for sensing amount of laundry 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 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.
Under above-mentioned type of drive, can realize by the following method the detection of laundry amounts, promptly in washtub, inject washings, thereby detect laundry amounts according to the number of times of feedwater again; Or make the washtub rotation, thereby utilize the inclined degree of rotary speed to detect laundry amounts.
In addition, different with above-mentioned existing mode, do not utilize parts such as belt, belt pulley in addition, but the mode that directly drives by anti-phase (invert) mode.Under this type of drive,, can't realize detection exactly to laundry amounts by existing method for sensing amount of laundry according to the construction features of washing machine.
This shows that above-mentioned existing washing machine still has many defectives to method for sensing amount of laundry, and the assistant officer waits to be improved.
Because above-mentioned existing washing machine is to the defective of the detection method existence of laundry amounts, 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 founding a kind of method for sensing amount of laundry of improved washing machine, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create really its practical the present invention who is worth finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective of existing washing machine to the detection method existence of laundry amounts, and a kind of method for sensing amount of laundry of new washing machine is provided, make it can in the washing machine of anti-phase motor direct-drive mode, realize the detection of laundry amounts exactly.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The method for sensing amount of laundry of the washing machine that proposes according to the present invention is characterized in that: in the washing machine that utilizes anti-phase motor direct-drive washtub or agitator, by forming with the next stage, if washing instruction input is promptly arranged, make the stage of agitator acceleration; The rotary speed of agitator is reached the stage that the required time of setting speed carries out timing; The time that timing is obtained compares with the clothing scale of having set (table) of separating by time, thereby detects the stage of laundry amounts.
The present invention solves its technical problem and can also adopt following technical measures further to realize.
The present invention can also be by in the washing machine that utilizes anti-phase motor direct-drive washtub or agitator, by forming with the next stage, if washing instruction input, the stage that agitator is quickened are promptly arranged; If the rotary speed of agitator has reached setting speed, so just cut off the electricity supply, thus the stage that agitator inertia is rotated; Agitator carry out inertia rotation during in, the stage that the pulse number of velocity sensor output is counted; The pulse number that counting is drawn compares with the pulse number table of having set of distinguishing by laundry amounts (table), thereby detects the stage of laundry amounts.
The present invention can utilize anti-phase motor direct-drive washtub or agitator by washing machine at first again, and possess the 1st clothes amount detection mode and the 2nd clothes amount detection mode, wherein above-mentioned the 1st clothes amount detection mode is to instigate agitator to quicken, thereby reach the required time of setting speed according to agitator and detect the mode of laundry amounts, and above-mentioned the 2nd clothes amount detection mode is to instigate agitator to quicken, reaching setting speed in the speed of agitator then cuts off the electricity supply later on, make the rotation of its inertia, thus according to carry out at agitator the inertia rotation during in the pulse number exported of velocity sensor detect the mode of laundry amounts.In such washing machine, comprise with the next stage and forming, promptly to laundry amounts carry out greatly/macrotaxonomy of little 2 grades the time, the stage of also laundry amounts being carried out the subclassification more than at least 3 grades; At first detect, then detected laundry amounts is belonged to greatly/the 1st clothes amount detection stage which grade in little 2 grades is judged according to one in the middle of the 1st clothes amount detection mode and the 2nd clothes amount detection mode; According to above-mentioned judged result, start in the 1st clothes amount detection mode and the 2nd clothes amount detection mode once more, thereby realize the 2nd clothes amount detection stage the final detection of laundry amounts.
Preceding described the 2nd clothes amount detection stage is the stage as described below, when even the judged result in the 1st clothes amount detection stage is " greatly " laundry amounts, then start the 1st clothes amount detection mode once more, if the judged result in the 1st clothes amount detection stage is " little " laundry amounts, then start the 2nd clothes amount detection mode once more.
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, it can be in utilizing the direct drive-type motor of anti-phase motor, utilize the rotation of agitator to detect laundry amounts, and once more laundry amounts is detected according to big/little grade of laundry amounts, so it can reach according to corresponding washing machine characteristics and carries out the most appropriate clothes amount detection.
The present invention is on design, the practicality of using and cost benefit, really it is required to meet industry development fully, and disclosed method of testing is unprecedented innovative design, it does not see any publication, do not see more that before application that identical method for designing feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Detection method of the present invention really has more technological progress than existing washing machine to the detection method of laundry amounts, and its unique design method feature and more can also be far from existing washing machine and can compare to the detection method of laundry amounts, more existing washing machine has more technical progress to the detection method of laundry amounts, 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 detection method of laundry amounts 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 detection method of laundry amounts, 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 method 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 1st embodiment of the method for sensing amount of laundry of washing machine of the present invention.
Fig. 3 is the flow chart of the 2nd embodiment of the method for sensing amount of laundry 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, Fig. 2, shown in Figure 3, the method for sensing amount of laundry of washing machine of the present invention, the washing machine that adopts anti-phase motor (inverter motor) direct drive mode as shown in Figure 1, it comprises with the lower part and forming, be rectification part 11, 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 Power Supply) 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 21, so that warning message or buzz that their output has configured.
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 at first be controlled drive division 13, thereby driving agitator detects laundry amounts, if and detected laundry amounts, so just 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, also drives loads such as water-supply valve, draining valve simultaneously, thereby realizes washing, rinsing and 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 the 1st to the 3rd embodiment to method for sensing amount of laundry of the present invention is described in detail below.
-the 1 embodiment-
The 1st embodiment 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.
If above-mentioned judged result S21 so just makes agitator quicken for washing instruction input is arranged, and the S22 that picks up counting.
Here, main micro computer 21 is assigned the instruction that agitator is quickened to micro computer 17, and if detected the rotation of agitator according to the output of velocity sensor 15, so just pick up counting.In addition, micro computer 17 is to control drive division 13 according to the indication of above-mentioned main micro computer 21, thereby agitator is quickened.
Next to whether reach setting speed (for example 150rpm) to the rotary speed of agitator and judge S23, if reached setting speed, so just cut off the electricity supply, and utilize the time up to now of timing gained that laundry amounts is detected S24.
Here, because washing machine there are differences at structure and model (model) and aspects such as parts, particularly motor, therefore the detection of laundry amounts can not be standardized.Therefore consider the different qualities of different product, according to the difference of actual laundry amounts, test in advance, thereby tabulate reaching the required rotational time of above-mentioned setting speed, and this table stored in main micro computer 21 or the micro computer 17, also can in above-mentioned two micro computers, all deposit in.
Owing to can according to the difference of laundry amounts rotational time be tabulated, therefore can time and the above-mentioned table that timing in above-mentioned stage S24 obtains be compared, thereby detect corresponding therewith laundry amounts as top said.
-the 2 embodiment-
The 2nd embodiment of the present invention as shown in Figure 3, at first, main micro computer 21 will be judged S31 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 S31 for washing instruction input is arranged, so just makes agitator quicken S32, and judge S33 to whether having reached setting speed (for example 150rpm).
Next,, so just cut off the electricity supply, thereby make agitator inertia rotation, and be that S34 is counted in the output of velocity sensor 15 pulse number that produces along with the inertia rotation if reached setting speed.
Here, main micro computer 21 is assigned the agitator assisted instruction to micro computer 17, if and reached setting speed according to the rotary speed that agitator is judged in the output of velocity sensor 15, and so just cut off the electricity supply, then the output pulse number of velocity sensor 15 is counted.In addition, micro computer 17 is to control drive division 13 according to the indication of above-mentioned main micro computer 21, thereby agitator is quickened.
And to whether stop to judge S35 to agitator, if agitator has stopped, so just detect laundry amounts S36 according to the pulse number that counts to get.
Here, because washing machine there are differences at structure and model (model) and aspects such as parts, particularly motor, therefore the detection of laundry amounts can not be standardized.Therefore consider the different qualities of different product, difference according to actual laundry amounts, test in advance, thereby to reach carry out behind the above-mentioned setting speed inertia rotation during in pulse number, the output pulse number that is velocity sensor is tabulated, and this table stored in main micro computer 21 or the micro computer 17, also can in above-mentioned two micro computers, all deposit in.
Since can be as top said, therefore the different paired pulses number tabulations according to laundry amounts can compare pulse number that counts to get and above-mentioned table in above-mentioned stage S34, thereby detect corresponding therewith laundry amounts.
-the 3 embodiment-
The 3rd embodiment of the present invention is the method with above-mentioned the 1st embodiment and the 2nd embodiment and usefulness, the clothes amount detection mode of above-mentioned the 1st embodiment reliability under the more situation of laundry amounts is higher, and the clothes amount detection mode of the 2nd embodiment reliability under the less situation of laundry amounts is higher.
Therefore for the product of the clothes amount detection mode of preferential employing the 1st embodiment, if after the mode according to the 1st example detects laundry amounts, the result of detection is that laundry amounts is more, so just washs according to detected laundry amounts.If but after according to the mode of the 1st embodiment laundry amounts being detected, the result of detection is that laundry amounts is less, so just the mode according to the 2nd embodiment detects once more to laundry amounts, thereby improves the degree of accuracy of clothes amount detection.
Similarly, for the product of the clothes amount detection mode of preferential employing the 2nd embodiment, if after the mode according to the 2nd embodiment detects laundry amounts, the result of detection is that laundry amounts is less, so just washs according to detected laundry amounts.If but after according to the mode of the 2nd embodiment laundry amounts being detected, the result of detection is that laundry amounts is more, so just the mode according to the 1st embodiment detects once more to laundry amounts, thereby improves the degree of accuracy of clothes amount detection.
Therefore under the situation that adopts the 3rd embodiment, be stored in the corresponding model, wherein have only priority to determine with the 1st embodiment and the corresponding clothes amount detection decimal coded of the 2nd embodiment (algorism).
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 (4)
1. the method for sensing amount of laundry of a washing machine is characterized in that: in the washing machine that utilizes anti-phase motor direct-drive washtub or agitator, by forming with the next stage, if washing instruction input, the stage that agitator is quickened are promptly arranged; The rotary speed of agitator is reached the stage that the required time of setting speed carries out timing; The time that timing is obtained compares with the clothing scale of having set of separating by time, thereby detects the stage of laundry amounts.
2. the method for sensing amount of laundry of a washing machine is characterized in that: in the washing machine that utilizes anti-phase motor direct-drive washtub or agitator, by forming with the next stage, if washing instruction input, the stage that agitator is quickened are promptly arranged; If the rotary speed of agitator has reached setting speed, so just cut off the electricity supply, thus the stage that agitator inertia is rotated; Agitator carry out inertia rotation during in, the stage that the pulse number of velocity sensor output is counted; The pulse number that counting is drawn compares with the pulse number table of having set of distinguishing by laundry amounts, thereby detects the stage of laundry amounts.
3. the method for sensing amount of laundry of a washing machine, it is characterized in that: at first washing machine can utilize anti-phase motor direct-drive washtub or agitator, and possess the 1st clothes amount detection mode and the 2nd clothes amount detection mode, wherein above-mentioned the 1st clothes amount detection mode is to instigate agitator to quicken, thereby reach the required time of setting speed according to agitator and detect the mode of laundry amounts, and above-mentioned the 2nd clothes amount detection mode is to instigate agitator to quicken, reaching setting speed in the speed of agitator then cuts off the electricity supply later on, make the rotation of its inertia, thus according to carry out at agitator the inertia rotation during in the pulse number exported of velocity sensor detect the mode of laundry amounts; In such washing machine, comprise by forming with the next stage, promptly to laundry amounts carry out greatly/macrotaxonomy of little 2 grades the time, the stage of also laundry amounts being carried out the subclassification more than at least 3 grades; At first detect, then detected laundry amounts is belonged to greatly/the 1st clothes amount detection stage which grade in little 2 grades is judged according to one in the middle of the 1st clothes amount detection mode and the 2nd clothes amount detection mode; According to above-mentioned judged result, start in the 1st clothes amount detection mode and the 2nd clothes amount detection mode once more, thereby realize the 2nd clothes amount detection stage the final detection of laundry amounts.
4. the method for sensing amount of laundry of washing machine according to claim 3, it is characterized in that wherein said the 2nd clothes amount detection stage is the stage as described below, when even the judged result in the 1st clothes amount detection stage is " greatly " laundry amounts, then start the 1st clothes amount detection mode once more, if the judged result in the 1st clothes amount detection stage is " little " laundry amounts, then start the 2nd clothes amount detection mode once more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130332 CN1566458A (en) | 2003-06-30 | 2003-06-30 | Method for detecting clothes weight in washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130332 CN1566458A (en) | 2003-06-30 | 2003-06-30 | Method for detecting clothes weight in washing machine |
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| CN1566458A true CN1566458A (en) | 2005-01-19 |
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| CN 03130332 Pending CN1566458A (en) | 2003-06-30 | 2003-06-30 | Method for detecting clothes weight in washing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748586B (en) * | 2009-02-24 | 2011-09-28 | 南京乐金熊猫电器有限公司 | Control method of clothing processing apparatus |
| CN105442246A (en) * | 2014-09-30 | 2016-03-30 | 无锡小天鹅股份有限公司 | Washing machine and method for judging load weight of washing machine |
| WO2016078337A1 (en) * | 2014-11-21 | 2016-05-26 | 无锡小天鹅股份有限公司 | Washing machine and method for determining load weight of washing machine |
| CN107614777A (en) * | 2015-06-10 | 2018-01-19 | Aqua株式会社 | Washing machine |
| CN111945377A (en) * | 2020-08-17 | 2020-11-17 | 珠海格力电器股份有限公司 | Weighing method of washing machine, washing machine and computer readable storage medium |
-
2003
- 2003-06-30 CN CN 03130332 patent/CN1566458A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748586B (en) * | 2009-02-24 | 2011-09-28 | 南京乐金熊猫电器有限公司 | Control method of clothing processing apparatus |
| CN105442246A (en) * | 2014-09-30 | 2016-03-30 | 无锡小天鹅股份有限公司 | Washing machine and method for judging load weight of washing machine |
| WO2016050060A1 (en) * | 2014-09-30 | 2016-04-07 | 无锡小天鹅股份有限公司 | Washing machine and method for determining load weight of washing machine |
| WO2016078337A1 (en) * | 2014-11-21 | 2016-05-26 | 无锡小天鹅股份有限公司 | Washing machine and method for determining load weight of washing machine |
| CN105671848A (en) * | 2014-11-21 | 2016-06-15 | 无锡小天鹅股份有限公司 | Washing machine and method for determining load weight of washing machine |
| CN105671848B (en) * | 2014-11-21 | 2017-12-26 | 无锡小天鹅股份有限公司 | Washing machine and the method for judging washing machine load weight |
| CN107614777A (en) * | 2015-06-10 | 2018-01-19 | Aqua株式会社 | Washing machine |
| CN107614777B (en) * | 2015-06-10 | 2020-11-17 | Aqua株式会社 | Washing machine |
| CN111945377A (en) * | 2020-08-17 | 2020-11-17 | 珠海格力电器股份有限公司 | Weighing method of washing machine, washing machine and computer readable storage medium |
| CN111945377B (en) * | 2020-08-17 | 2022-08-26 | 珠海格力电器股份有限公司 | Weighing method of washing machine, washing machine and computer readable storage medium |
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