CN100451212C - Device and method for detecting clothes weight in drum washing machine - Google Patents
Device and method for detecting clothes weight in drum washing machine Download PDFInfo
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- CN100451212C CN100451212C CNB031303277A CN03130327A CN100451212C CN 100451212 C CN100451212 C CN 100451212C CN B031303277 A CNB031303277 A CN B031303277A CN 03130327 A CN03130327 A CN 03130327A CN 100451212 C CN100451212 C CN 100451212C
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Abstract
The present invention relates to a clothing quantity detecting device and a detecting method for a cylinder washing machine. The detecting device comprises a motor, a key input part, a micro computer and a motor driving part, wherein the key input part is used for inputting instructions of a user; the micro computer is used for detecting whether the motor rotates to a set position or not to determine a washing mode according to the instructions of the key input part, and outputting a control signal; the motor driving part is used for controlling the actions of the motor according to the control signal of the micro computer. The clothing quantity detecting method comprises the following stages: the detecting stage: if a user inputs a washing instruction, the clothing quantity is determined according to the voltage and the time required for a motor to arrive in the set position; the control stage: the washing mode is controlled according to the detected clothing quantity. The present invention can be used for accurately detecting the clothing quantity, and can also be used for setting the proper washing time, the washing times and the dewatering time, and thereby, the washing performance is improved.
Description
Technical field
The present invention relates to washing machine, relates in particular to the method for sensing amount of laundry of roller washing machine.
Background technology
In general, washing machine be can wash according to the decimal coded that has configured (algorism), rinsing and dehydration stroke, the device that realization is washed washings, according to mode of washing, it can be divided into stirring (pulsator) formula, stirring-type, drum-type etc.
As shown in Figure 1, it comprises body (1), bucket (2), cylinder (3), thermistor (thermistor) (4), detergent box (5), feed pipe (6), drainpipe (7), draining pump (8), scupper hose (9), belt (belt) (11) etc., i.e. body (1) roller washing machine; Bucket (2), it is fixed on the inside of body (1) by damper (damper); Cylinder (3), it is installed in the inside of bucket (2), and washings need be put into its inside, and it can rotate by the driving force that belt (belt) (11) obtains motor (10), thereby realizes and wash relevant stroke; Thermistor (thermistor) (4), it is used for measuring the temperature that is injected into the washings in the cylinder (3); Detergent box (5), it is used for throwing in washing agent; Feed pipe (6), it is connected on the detergent box (5), is used to inject washings or has mixed the washings of the washing agent in the detergent box (5); Drainpipe (7), it is used for used washings in the washing stroke are discharged into the outside; Draining pump (8) and scupper hose (9), they are connected the end of drainpipe (7), are used for washings are forced to discharge.
The course of action of roller washing machine with structure is as follows, and at first, user's opening installation is put into washings at the door (omitting among the figure) of body (1) front, then by control panel input washing commands.Next, control part (omitting among the figure) can detect the laundry amounts of putting into cylinder (3), according to detected laundry amounts, washings are injected in the cylinder (3) then, until the water level of having set accordingly with laundry amounts by detergent box (5) and feed pipe (6).
If washings have arrived more than certain water level, motor will begin to drive so, and cylinder (3) begins rotation, thereby begins washing.If washing is through with, draining pump (8) will start so, makes washings be discharged into the outside via drainpipe (7) and scupper hose (9).If draining finishes, so next will carry out rinsing and dehydration stroke, finally finish washing.
The method for sensing amount of laundry of roller washing machine with prior art of said structure utilizes following principle to realize, promptly so that cylinder (3) is that benchmark comes the weight laundry amounts of washings is detected the needed time when accelerating to the speed that has configured, if laundry amounts is bigger, acceleration time will be longer so, if opposite laundry amounts is less, the time of Jia Suing will be shorter so.Utilize this principle, the weight of pre-set acceleration time and corresponding washings will be quickened the required time then now and the time compares, and so just can judge present laundry amounts.
In addition, the method for sensing amount of laundry of the roller washing machine of prior art also has following mode, if promptly injected washings in the cylinder (3), so because the washings in the cylinder (3) has absorbed moisture, and the initial water level that injects has also detected, thereby in order to replenish the not enough water yield, the action that washing machine can continue to feed water again so just can be grasped laundry amounts according to the number of times of feedwater again.
Method for sensing amount of laundry for the roller washing machine of aforesaid prior art, because washings there are differences on quality and characteristic, therefore can not judge laundry amounts exactly by the mode of above detection laundry amounts, thereby can not control mode of washing exactly, and then can bring the low problem of scourability.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of clothes quantity detecting device and method of roller washing machine, it can be measured motor and arrive required rotational time and the impulse amplitude of desired location from static state, and detects laundry amounts in view of the above.
The technical scheme that clothes quantity detecting device adopted of roller washing machine of the present invention is:
A kind of clothes quantity detecting device of roller washing machine comprises press key input section, pulse detection portion, micro computer, timer, power supply unit, load drive division, motor; Press key input section, it is used for importing user's instruction; Micro computer, if imported the instruction of washing beginning by press key input section, whether it will rotate to desired location to motor and detected so, thus the decision mode of washing, and export control signal in view of the above; The load drive division, it can control the action of motor according to the control signal of micro computer; Pulse detection portion, it is used for detecting the pulse that produces along with the rotation of motor; Timer, it is used for that motor is rotated to the required time of desired location and carries out timing; Power supply unit, it is used for providing driving power to micro computer; It is characterized in that, all concentrate on the state of the bottom of cylinder from all washings, whenever spend the regular hour and just voltage is increased certain amplitude, so varying in weight owing to washings, voltage that it is required and time also can be different, and measure laundry amounts in view of the above.
The clothes quantity detecting device of aforesaid roller washing machine, wherein it also comprises timer, if imported the washing sign on by described press key input section, this timer just rotates to the required time of desired location to described motor and carries out timing so.
The method for sensing amount of laundry of roller washing machine of the present invention is:
A kind of method for sensing amount of laundry of roller washing machine is characterized in that, it comprised with the next stage: if the user has imported washing instruction, so just come stage that laundry amounts is detected according to the required voltage of described motor arrival desired location and required time; In this process, every certain hour of crossing just increases certain amplitude with the voltage of input; Control the stage of mode of washing according to described detected laundry amounts.
The method for sensing amount of laundry of aforesaid roller washing machine, the stage of wherein detecting laundry amounts is by forming with the next stage: if by described washing instruction input, so just with timer and initialized stage of voltage value; If described timer has been finished initialization, so just drive the stage of described motor rotation; If described motor has arrived desired location, stage that hereto required time and voltage value are detected so just; Determine the stage of laundry amounts according to described detected time and voltage value.
The method for sensing amount of laundry of aforesaid roller washing machine wherein also comprised with the next stage: if described motor does not arrive desired location, so increase voltage value detection time, the stage till motor arrival desired location on one side.
The method for sensing amount of laundry of aforesaid roller washing machine, the stage of wherein controlling described mode of washing is meant the stage of setting wash time, rinsing number of times and dewatering time according to described detected laundry amounts.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the sectional view of the structure of common roller washing machine
Fig. 2 is the composition frame chart of the clothes quantity detecting device of roller washing machine of the present invention
Fig. 3 is the flow chart of the method for sensing amount of laundry of roller washing machine of the present invention
The number in the figure explanation:
10: press key input section 20: micro computer (micom)
21: timer (timer) 30: pulse (pulse) test section
40: power supply unit 50: the load drive division
60: motor
The specific embodiment
Below roller washing machine of the present invention and laundry amounts control method thereof are given more detailed explanation.
As shown in Figure 2, roller washing machine of the present invention comprises press key input section (10), pulse detection portion (30), micro computer (20), timer (21), power supply unit (40), load drive division (50), motor (60); Press key input section (10), it is used for importing user's instruction; Micro computer (20), if imported the instruction of washing beginning by press key input section (10), whether it will rotate to desired location to motor (60) and detected so, thus the decision mode of washing, and export control signal in view of the above; Load drive division (50), it can control the action of motor (60) according to the control signal of micro computer (20); Pulse detection portion (30), it is used for detecting the pulse that produces along with the rotation of motor (60); Timer (21), it is used for motor (60) the required time of rotation is carried out timing; Power supply unit (40), it is used for providing driving power to micro computer (20).
In having the roller washing machine of the present invention of said structure, if the user has imported the instruction that begins to wash by press key input section (10), micro computer (20) will be to load drive division (50) output control signal, so that motor (60) can be driven so.
Next,, can detect voltage value by number so, whether rotate to desired location (rotating 2/5) thereby can detect motor by the pulse of pulse detection portion (30) input if motor (60) begins to drive.If motor has rotated to desired location, so just can the rotational time hereto that timer (21) are counted be detected, judge laundry amounts according to detected rotational time and voltage value at last.
In addition, washing machine can be controlled mode of washing according to detected laundry amounts, thereby sets wash time, rinsing number of times and dewatering time etc.
Below with reference to Fig. 3 the method for sensing amount of laundry of aforesaid roller washing machine of the present invention is described.At first, if the user has imported the washing action command, so just timer is carried out initialization (S11～S12).
Drive motors (S13) then.
Next whether motor has been rotated to desired location and judged (S14).Here, judge that the method whether motor has rotated to desired location is: because the pulse value that is produced during motor rotation 1 circle has been stored, therefore as long as generation is equivalent to the pulse of 2/5 number of storage pulse value, just can draw the judgement that has rotated to the relevant position.
If judged result (S13) has rotated on the desired location for motor, so just hereto rotational time and voltage value detected (S15).
Judge laundry amounts according to detected rotational time and voltage value then, and set mode of washing in view of the above (wash time, rinsing number of times and dewatering time), then according to the mode of washing set control washing stroke (S16～S17).
Next, if washing finishes, then finish all strokes (S18).
On the other hand,, so just increase impulse amplitude on one side, Yi Bian continuation is judged (S19) to whether having arrived desired location if judged result (S14) also is in operation and does not arrive desired location for motor.
As mentioned above, in the method for sensing amount of laundry of roller washing machine of the present invention, if from the static state of motor promptly all washings all concentrate on the state of the bottom of cylinder, it is every that the regular hour just increases certain amplitude with voltage excessively, so because varying in weight according to washings, power that it is required and time also can be different, therefore can measure laundry amounts in view of the above.
That is to say that laundry amounts is big more, its required power is also just big more, and is also just big more thereby the voltage value of input is an impulse amplitude, and therefore rotating to the required time of desired location (2/5) also can increase.Wherein desired location is that impulse amplitude has been increased a certain amount of position.
Therefore, the clothes quantity detecting device of roller washing machine of the present invention and method are in the process that starts the dehydration stroke, rotate to required rotational time of desired location (2/5) and voltage value (impulse amplitude) by measuring motor from inactive state, can detect laundry amounts, and control mode of washing in view of the above.
The effect of invention
As mentioned above, the clothes quantity detecting device of roller washing machine of the present invention and method can reach following Effect rotates to the required rotational time of desired location and this owing to can detect motor from inactive state The time magnitude of voltage that produces, thereby control accordingly mode of washing, so the present invention not only can examine exactly Survey laundry amounts, simultaneously also can be set suitable wash time, rinsing time according to the laundry amounts that detects Number and dewatering time, thus scourability improved.
Claims (6)
1, a kind of clothes quantity detecting device of roller washing machine comprises press key input section, pulse detection portion, micro computer, timer, power supply unit, load drive division, motor; Press key input section, it is used for importing user's instruction; Micro computer, if imported the instruction of washing beginning by press key input section, whether it will rotate to desired location to motor and detected so, thus the decision mode of washing, and export control signal in view of the above; The load drive division, it can control the action of motor according to the control signal of micro computer; Pulse detection portion, it is used for detecting the pulse that produces along with the rotation of motor; Timer, it is used for that motor is rotated to the required time of desired location and carries out timing; Power supply unit, it is used for providing driving power to micro computer; It is characterized in that, all concentrate on the state of the bottom of cylinder from all washings, whenever spend the regular hour and just voltage is increased certain amplitude, so varying in weight owing to washings, voltage that it is required and time also can be different, and measure laundry amounts in view of the above.
2, the clothes quantity detecting device of roller washing machine according to claim 1, it is characterized in that it also comprises timer, if imported the washing sign on by described press key input section, this timer just rotates to the required time of desired location to described motor and carries out timing so.
3, a kind of method for sensing amount of laundry of roller washing machine, it is characterized in that, it comprised with the next stage: if the user has imported washing instruction, so just come stage that laundry amounts is detected according to the required voltage of described motor arrival desired location and required time; In this process, every certain hour of crossing just increases certain amplitude with the voltage of input; Control the stage of mode of washing according to described detected laundry amounts.
4, the method for sensing amount of laundry of roller washing machine according to claim 3, the stage that it is characterized in that described detection laundry amounts is by forming with the next stage: if by described washing instruction input, so just with timer and initialized stage of voltage value; If described timer has been finished initialization, so just drive the stage of described motor rotation; If described motor has arrived desired location, stage that hereto required time and voltage value are detected so just; Determine the stage of laundry amounts according to described detected time and voltage value.
5, the method for sensing amount of laundry of roller washing machine according to claim 4, it is characterized in that also comprising with the next stage: if described motor does not arrive desired location, so on one side increase voltage value detection time, the stage till motor arrival desired location.
6, the method for sensing amount of laundry of roller washing machine according to claim 3 is characterized in that the stage of controlling described mode of washing is meant the stage of setting wash time, rinsing number of times and dewatering time according to described detected laundry amounts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031303277A CN100451212C (en) | 2003-06-30 | 2003-06-30 | Device and method for detecting clothes weight in drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031303277A CN100451212C (en) | 2003-06-30 | 2003-06-30 | Device and method for detecting clothes weight in drum washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1566456A CN1566456A (en) | 2005-01-19 |
| CN100451212C true CN100451212C (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031303277A Expired - Fee Related CN100451212C (en) | 2003-06-30 | 2003-06-30 | Device and method for detecting clothes weight in drum washing machine |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006027295B3 (en) * | 2006-06-13 | 2007-07-12 | Suspa Holding Gmbh | Weight of the washing load in a horizontal axis front loading domestic washing machine is established by determining the depression characteristics between the unloaded and loading conditions in the suspension springs and dampers |
| CN104894812A (en) * | 2014-03-03 | 2015-09-09 | 无锡小天鹅股份有限公司 | Washing machine and control method thereof |
| CN105908442A (en) * | 2016-05-27 | 2016-08-31 | 无锡小天鹅股份有限公司 | Rinsing control method of washing machine |
| CN105951353A (en) * | 2016-06-29 | 2016-09-21 | 无锡小天鹅股份有限公司 | Washing machine and control method thereof |
| CN108315950A (en) * | 2018-04-12 | 2018-07-24 | 佛山市百里洲科技有限公司 | A kind of control method of laundry machine dehydration |
| CN108315951A (en) * | 2018-04-12 | 2018-07-24 | 佛山市百里洲科技有限公司 | A kind of washing machine automatically adjusting dewatering time |
| CN109921720B (en) * | 2019-03-07 | 2021-09-07 | Oppo广东移动通信有限公司 | Motor control device, electronic device, and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070703A (en) * | 1991-08-09 | 1993-04-07 | 松下电器产业株式会社 | The cloth amount detecting device of washing machine |
| JPH05192489A (en) * | 1992-01-20 | 1993-08-03 | Hitachi Ltd | Control method of washing machine |
| CN2246163Y (en) * | 1994-12-17 | 1997-01-29 | 北京爱普亚太电子有限公司 | Dress amount testing device for washing machine |
| CN1195724A (en) * | 1997-04-10 | 1998-10-14 | 无锡小天鹅股份有限公司 | Cloths quantity detecting and correcting method for washing machine |
-
2003
- 2003-06-30 CN CNB031303277A patent/CN100451212C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070703A (en) * | 1991-08-09 | 1993-04-07 | 松下电器产业株式会社 | The cloth amount detecting device of washing machine |
| JPH05192489A (en) * | 1992-01-20 | 1993-08-03 | Hitachi Ltd | Control method of washing machine |
| CN2246163Y (en) * | 1994-12-17 | 1997-01-29 | 北京爱普亚太电子有限公司 | Dress amount testing device for washing machine |
| CN1195724A (en) * | 1997-04-10 | 1998-10-14 | 无锡小天鹅股份有限公司 | Cloths quantity detecting and correcting method for washing machine |
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| CN1566456A (en) | 2005-01-19 |
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Granted publication date: 20090114 Termination date: 20100630 |