CN101736553A - Method for detecting dehydration imbalance of inclined drum washing machine - Google Patents
Method for detecting dehydration imbalance of inclined drum washing machine Download PDFInfo
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- CN101736553A CN101736553A CN200910185827A CN200910185827A CN101736553A CN 101736553 A CN101736553 A CN 101736553A CN 200910185827 A CN200910185827 A CN 200910185827A CN 200910185827 A CN200910185827 A CN 200910185827A CN 101736553 A CN101736553 A CN 101736553A
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Abstract
The invention discloses a method for detecting dehydration imbalance of an inclined drum washing machine, which comprises the steps of (1) carrying out eccentricity detection on an inner barrel and judging whether the eccentricity exceeds the predetermined low-speed eccentricity when the rotational speed of the inner barrel achieves the low-speed detection speed, carrying out eccentricity correction when the judgment result is yes, otherwise, continuously detecting the eccentricity; and (2) carrying out the eccentricity detection on the inner barrel and judging whether the eccentricity exceeds the predetermined high-speed eccentricity when the rotational speed of the inner barrel achieves the high-speed detection speed, carrying out the eccentricity correction when the judgment result is yes, otherwise, entering into the high-speed dehydration. The method is divided into two detection stages of low-speed detection speed and high-speed detection speed, and the adoption of the unbalanced detection on a two-stage speed platform can accurately distinguish the eccentricity position and the eccentricity of clothes and adopt the different dehydration control methods and eccentricity correction strategies according to the eccentricity situations, thereby achieving the fast eccentricity correction and the smooth and high-efficient dehydration effect.
Description
Technical field
The present invention relates to the washing machine technical field, particularly a kind of method for detecting dehydration imbalance of inclined drum washing machine.
Technical background
In the washing machine control technology, one of control procedure of most critical is the detection to vibration that produces in the high speed dewatering and clothing core shift, inclined rotating drum washing machine is different from the open front roller washing machine, because the inside and outside bucket center and the horizontal plane of inclined rotating drum washing machine form an angle, the core shift imbalance of clothing in interior bucket is different to the influence of system with traditional button fly front roller washing machine, need take special detection control method at the characteristics of its system architecture for this reason.
The unbalanced detection mode of existing dehydration is: when low speed dewaters, detect core shift amount size, decide the maximum speed of dehydration according to the core shift degree, when core shift is excessive, carries out the clothing correction and handle.Adopting series excited machine to do in the inclined drum washing machine of drive motors, because the front and back position difference of clothing core shift, also different to the influence of follow-up dehydration, it is undesirable that the core shift under the single speed detects effect.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for detecting dehydration imbalance of inclined drum washing machine that can fast and effeciently detect the core shift position of when dehydration clothing in oblique cylinder, realize the dehydration of high-speed smooth.
The technical scheme of technical solution problem of the present invention is: a kind of method for detecting dehydration imbalance of inclined drum washing machine comprises the step of following order:
(1) when the inner core rotating speed reaches low-speed detection speed, inner core is carried out eccentricity detecting and judges whether offset surpasses the predetermined low-speed offset, if judged result is then carried out off-centre correction for being, otherwise continue to detect offset;
(2) when the inner core rotating speed reaches high speed detection speed, inner core is carried out eccentricity detecting and judges that whether offset surpasses predetermined high speed offset, if judged result is for being then to carry out the off-centre correction, otherwise enter high speed dewatering.
The output of described microcomputerized controller is connected with the input of motor, and the motor shaft of motor is connected with inner core by transmission device, and the velocity sensor that is used to detect motor speed and detection inner core offset is installed on the motor shaft.
When the inner core rotating speed reaches low-speed detection speed, inner core is carried out preposition offset detection or the detection of rearmounted offset, described low speed offset is 12rpm; When the inner core rotating speed reaches high speed detection speed, inner core is carried out preposition offset detect, described high speed offset is 30rpm.
After carrying out the off-centre correction, judge whether off-centre correction number of times surpasses the off-centre correction number of times of being scheduled to, if judged result is then carried out the off-centre warning for being, otherwise, return the rotating speed that continuation detects inner core.
Described transmission device is a belt drive unit, and belt drive unit comprises belt and be arranged on two belt pulleys in the belt, and the motor shaft of described motor is connected with inner core by belt drive unit, and described motor is a series excited machine.
Described low-speed detection speed is 50～90rpm, and described high speed detection speed is 150～250rpm.
Described predetermined off-centre correction number of times is 4～12 times.
The present invention compared with prior art, the present invention is divided into two detection segment of rotating speed that detect the rotating speed of inner core and detect inner core in low-speed range in high-speed range, because the rotating speed of inner core height can cause different influences to the eccentric position of inner core underpants thing, and take the imbalance on this two sections speed platforms to detect, can distinguish the core shift position and the core shift amount size of clothing more accurately, take different dehydration controlling methods and correction strategy according to the core shift situation, promptly carry out the off-centre correction or carry out the off-centre warning, intelligent degree is higher, can reach quick correction, steadily, dehydrating effect efficiently.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a workflow diagram of the present invention.
The specific embodiment
A kind of method for detecting dehydration imbalance of inclined drum washing machine, this method is divided at a high speed and two velocity shootings of low speed detect offset: first, when inner core 5 rotating speeds reach low-speed detection speed, inner core 5 is carried out eccentricity detecting and judges whether offset surpasses the predetermined low-speed offset, described low speed offset is 12rpm, if judged result is then carried out off-centre correction for being, otherwise continue to detect offset; Second, when the rotating speed of inner core 5 reaches high speed detection speed, inner core 5 is carried out eccentricity detecting and judges whether offset surpasses predetermined high speed offset, described low speed offset is 30rpm, if judged result is for being, then carry out off-centre correction, otherwise enter high speed dewatering, as shown in Figure 1, 2, carry out after off-centre revises, judge the eccentric off-centre correction number of times whether number of times surpasses regulation of revising, given to this invention eccentric to revise number of times be 4～12 times, if judged result is for being then to carry out the off-centre warning, otherwise, return the rotating speed that continues to detect inner core 5.Described inner core 5 is meant dehydration tube, and described offset is meant by calculating the variable quantity of inner core 5 rotation motor 2 speed during one week under certain rotating speed.
The output of described microcomputerized controller 1 is connected with the input of motor 2, and the motor shaft 3 of motor 2 is connected with inner core 5 by transmission device, and the velocity sensor that is used to detect motor 2 rotating speeds and detection inner core 5 offsets is installed on the motor shaft 3.Described transmission device is a belt drive unit 4, belt drive unit 4 comprises belt and is arranged on two interior belt pulleys of belt, the motor shaft 3 of described motor 2 is connected with inner core 5 by belt drive unit 4, and described motor 2 is a series excited machine 2, as shown in Figure 1.
When the rotating speed of inner core 5 reached low-speed detection speed, described low-speed detection speed was 50～90rpm, and inner core 5 is carried out preposition offset detection or the detection of rearmounted offset; When the rotating speed of inner core 5 reached high speed detection speed, described high speed detection speed was 150～250rpm, inner core 5 is carried out preposition offset detect.When the rotating speed of inner core 5 during in 50～90rpm scope, especially in the scope of 70～85rpm, tiltedly the forward and backward offset core amount of the interior clothing of cylinder differs less to the rotating speed influence of inner core 5, yet when inner core rotating speed during in 150～250rpm scope, especially in the scope of 190～220rpm, tiltedly the preposition core shift amount of clothing is bigger to the influence of inner core 5 rotating speeds in the cylinder, and according to the difference of forward and backward offset to the system resonance influence, take two sections imbalances on the speed platform to detect, can distinguish the core shift position and the core shift amount size of clothing more exactly, as shown in Figure 2.
In order to reach the driving torque of metastable uneven detection machine 2, should do corresponding correction according to the height of supply voltage to the rotational speed regulation resolution ratio of motor 2, when voltage is on the low side, should suitably increase the logical phase place of sinusoidal voltage.Take different dehydration controlling methods and correction strategy according to eccentric situation, can reach quick correction, steadily, dehydrating effect efficiently.
Claims (7)
1. method for detecting dehydration imbalance of inclined drum washing machine, this method comprises the step of following order:
(1) when the inner core rotating speed reaches low-speed detection speed, inner core is carried out eccentricity detecting and judges whether offset surpasses the predetermined low-speed offset, if judged result is then carried out off-centre correction for being, otherwise continue to detect offset;
(2) when the inner core rotating speed reaches high speed detection speed, inner core is carried out eccentricity detecting and judges that whether offset surpasses predetermined high speed offset, if judged result is for being then to carry out the off-centre correction, otherwise enter high speed dewatering.
2. method for detecting dehydration imbalance of inclined drum washing machine according to claim 1, it is characterized in that: the output of described microcomputerized controller is connected with the input of motor, the motor shaft of motor is connected with inner core by transmission device, and the velocity sensor that is used to detect motor speed and detection inner core offset is installed on the motor shaft.
3. method for detecting dehydration imbalance of inclined drum washing machine according to claim 1, it is characterized in that: when the inner core rotating speed reaches low-speed detection speed, inner core is carried out preposition offset detection or the detection of rearmounted offset, and described low speed offset is 12rpm; When the inner core rotating speed reaches high speed detection speed, inner core is carried out preposition offset detect, described high speed offset is 30rpm.
4. method for detecting dehydration imbalance of inclined drum washing machine according to claim 1, it is characterized in that: after carrying out the off-centre correction, judge whether the eccentric number of times of revising surpasses predetermined off-centre correction number of times, if judged result is for being, then carrying out off-centre reports to the police, otherwise, return the rotating speed that continues to detect inner core.
5. method for detecting dehydration imbalance of inclined drum washing machine according to claim 2, it is characterized in that: described transmission device is a belt drive unit, belt drive unit comprises belt and is arranged on two interior belt pulleys of belt, the motor shaft of described motor is connected with inner core by belt drive unit, and described motor is a series excited machine.
6. according to claim 1 or 3 described method for detecting dehydration imbalance of inclined drum washing machine, it is characterized in that: described low-speed detection speed is 50～90rpm, and described high speed detection speed is 150～250rpm.
7. method for detecting dehydration imbalance of inclined drum washing machine according to claim 4 is characterized in that: described predetermined off-centre correction number of times is 4～12 times.
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| CN200910185827A CN101736553A (en) | 2009-12-04 | 2009-12-04 | Method for detecting dehydration imbalance of inclined drum washing machine |
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| CN200910185827A CN101736553A (en) | 2009-12-04 | 2009-12-04 | Method for detecting dehydration imbalance of inclined drum washing machine |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263541A (en) * | 2010-07-06 | 2011-11-30 | 南京乐金熊猫电器有限公司 | Washings Processing Device |
| CN103243514A (en) * | 2013-05-22 | 2013-08-14 | 海信容声(广东)冰箱有限公司 | Eccentricity correction method for pulsator washing machine and pulsator washing machine |
| CN103459700A (en) * | 2011-03-28 | 2013-12-18 | 大宇电子株式会社 | Method for determining imbalance in drum washing machine |
| CN104233702A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Dewatering distributed control method of washing machine |
| CN105088661A (en) * | 2015-06-30 | 2015-11-25 | 无锡小天鹅股份有限公司 | Eccentricity detection method of roller washing machine |
| WO2015192403A1 (en) * | 2014-06-16 | 2015-12-23 | 青岛海尔洗衣机有限公司 | Method for detecting imbalance of washing machine, and washing machine |
| CN105200711A (en) * | 2014-06-16 | 2015-12-30 | 青岛海尔洗衣机有限公司 | Method for detecting imbalance of washing machine and washing machine |
| CN105908445A (en) * | 2016-04-22 | 2016-08-31 | 广东格兰仕集团有限公司 | Eccentric size recognition method of roller washing machine |
| CN105951355A (en) * | 2016-06-30 | 2016-09-21 | 无锡小天鹅股份有限公司 | Washing machine as well as dehydration control method and device thereof |
| CN106123753A (en) * | 2016-06-23 | 2016-11-16 | 安徽金帅洗衣机有限公司 | A kind of laundry machine dehydration system concentricity inspection method |
| CN106868785A (en) * | 2017-02-10 | 2017-06-20 | 无锡小天鹅股份有限公司 | Load Eccentric Adjusting Method and device based on roller washing machine |
| CN107059334A (en) * | 2017-05-08 | 2017-08-18 | 无锡飞翎电子有限公司 | Rotary drum washing machine Accentric detector and rotary drum washing machine |
| WO2018028388A1 (en) * | 2016-08-10 | 2018-02-15 | 青岛海尔洗衣机有限公司 | Control method for drum washing machine |
| CN109563671A (en) * | 2016-08-10 | 2019-04-02 | 青岛海尔洗衣机有限公司 | The control method of roller washing machine |
| CN109837695A (en) * | 2017-11-24 | 2019-06-04 | 无锡小天鹅股份有限公司 | Eccentric cognitive method, system and the washing machine of washing machine |
| CN110438727A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔滚筒洗衣机有限公司 | A kind of control method and device for clothing processing of device for clothing processing |
| CN110578236A (en) * | 2018-06-11 | 2019-12-17 | 惠而浦（中国）股份有限公司 | Dewatering control method for pulsator washing machine |
| CN110924057A (en) * | 2019-12-23 | 2020-03-27 | 四川虹美智能科技有限公司 | Drum washing machine dehydration control method and drum washing machine |
| CN113622140A (en) * | 2021-08-03 | 2021-11-09 | 珠海格力电器股份有限公司 | Washing machine dehydration control method and washing machine |
| CN114164610A (en) * | 2021-12-13 | 2022-03-11 | 珠海格力电器股份有限公司 | Washing machine eccentricity detection method and device, storage medium and washing machine |
| WO2022062728A1 (en) * | 2020-09-25 | 2022-03-31 | 青岛海尔滚筒洗衣机有限公司 | Washing machine control method and washing machine |
| CN114575108A (en) * | 2022-02-15 | 2022-06-03 | 珠海格力电器股份有限公司 | Control device and method for drum washing machine, storage medium and electronic equipment |
-
2009
- 2009-12-04 CN CN200910185827A patent/CN101736553A/en active Pending
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263541A (en) * | 2010-07-06 | 2011-11-30 | 南京乐金熊猫电器有限公司 | Washings Processing Device |
| CN103459700A (en) * | 2011-03-28 | 2013-12-18 | 大宇电子株式会社 | Method for determining imbalance in drum washing machine |
| CN103459700B (en) * | 2011-03-28 | 2016-10-19 | 大宇电子株式会社 | For determining the unbalanced method in roller washing machine |
| CN103243514A (en) * | 2013-05-22 | 2013-08-14 | 海信容声(广东)冰箱有限公司 | Eccentricity correction method for pulsator washing machine and pulsator washing machine |
| CN103243514B (en) * | 2013-05-22 | 2015-11-04 | 海信容声(广东)冰箱有限公司 | The eccentric correcting method of rotary drum washing machine and rotary drum washing machine |
| CN104233702A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Dewatering distributed control method of washing machine |
| CN104233702B (en) * | 2013-06-24 | 2018-02-23 | 青岛海尔滚筒洗衣机有限公司 | A kind of laundry machine dehydration distribution control method |
| WO2015192403A1 (en) * | 2014-06-16 | 2015-12-23 | 青岛海尔洗衣机有限公司 | Method for detecting imbalance of washing machine, and washing machine |
| CN105200711A (en) * | 2014-06-16 | 2015-12-30 | 青岛海尔洗衣机有限公司 | Method for detecting imbalance of washing machine and washing machine |
| CN105200711B (en) * | 2014-06-16 | 2019-04-19 | 青岛海尔洗衣机有限公司 | A kind of washing machine unbalance detection and washing machine |
| CN105088661B (en) * | 2015-06-30 | 2018-02-23 | 无锡小天鹅股份有限公司 | The eccentric detection method of roller washing machine |
| CN105088661A (en) * | 2015-06-30 | 2015-11-25 | 无锡小天鹅股份有限公司 | Eccentricity detection method of roller washing machine |
| CN105908445A (en) * | 2016-04-22 | 2016-08-31 | 广东格兰仕集团有限公司 | Eccentric size recognition method of roller washing machine |
| CN106123753A (en) * | 2016-06-23 | 2016-11-16 | 安徽金帅洗衣机有限公司 | A kind of laundry machine dehydration system concentricity inspection method |
| CN105951355A (en) * | 2016-06-30 | 2016-09-21 | 无锡小天鹅股份有限公司 | Washing machine as well as dehydration control method and device thereof |
| CN109563671B (en) * | 2016-08-10 | 2021-04-20 | 青岛胶南海尔洗衣机有限公司 | Control method of drum washing machine |
| WO2018028388A1 (en) * | 2016-08-10 | 2018-02-15 | 青岛海尔洗衣机有限公司 | Control method for drum washing machine |
| CN109563671A (en) * | 2016-08-10 | 2019-04-02 | 青岛海尔洗衣机有限公司 | The control method of roller washing machine |
| CN106868785A (en) * | 2017-02-10 | 2017-06-20 | 无锡小天鹅股份有限公司 | Load Eccentric Adjusting Method and device based on roller washing machine |
| CN106868785B (en) * | 2017-02-10 | 2019-05-21 | 无锡小天鹅股份有限公司 | Load Eccentric Adjusting Method and device based on roller washing machine |
| CN107059334A (en) * | 2017-05-08 | 2017-08-18 | 无锡飞翎电子有限公司 | Rotary drum washing machine Accentric detector and rotary drum washing machine |
| CN109837695A (en) * | 2017-11-24 | 2019-06-04 | 无锡小天鹅股份有限公司 | Eccentric cognitive method, system and the washing machine of washing machine |
| CN110438727A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔滚筒洗衣机有限公司 | A kind of control method and device for clothing processing of device for clothing processing |
| CN110578236A (en) * | 2018-06-11 | 2019-12-17 | 惠而浦（中国）股份有限公司 | Dewatering control method for pulsator washing machine |
| CN110924057A (en) * | 2019-12-23 | 2020-03-27 | 四川虹美智能科技有限公司 | Drum washing machine dehydration control method and drum washing machine |
| CN110924057B (en) * | 2019-12-23 | 2021-08-03 | 四川虹美智能科技有限公司 | Drum washing machine dehydration control method and drum washing machine |
| WO2022062728A1 (en) * | 2020-09-25 | 2022-03-31 | 青岛海尔滚筒洗衣机有限公司 | Washing machine control method and washing machine |
| CN113622140A (en) * | 2021-08-03 | 2021-11-09 | 珠海格力电器股份有限公司 | Washing machine dehydration control method and washing machine |
| CN114164610A (en) * | 2021-12-13 | 2022-03-11 | 珠海格力电器股份有限公司 | Washing machine eccentricity detection method and device, storage medium and washing machine |
| CN114164610B (en) * | 2021-12-13 | 2022-12-09 | 珠海格力电器股份有限公司 | Washing machine eccentricity detection method and device, storage medium and washing machine |
| CN114575108A (en) * | 2022-02-15 | 2022-06-03 | 珠海格力电器股份有限公司 | Control device and method for drum washing machine, storage medium and electronic equipment |
| CN114575108B (en) * | 2022-02-15 | 2023-02-17 | 珠海格力电器股份有限公司 | Control device and method for drum washing machine, storage medium and electronic equipment |
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Application publication date: 20100616 |