CN104652093A - Washing machine with eccentric detecting function and eccentric detecting method - Google Patents
Washing machine with eccentric detecting function and eccentric detecting method Download PDFInfo
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- CN104652093A CN104652093A CN201310608288.6A CN201310608288A CN104652093A CN 104652093 A CN104652093 A CN 104652093A CN 201310608288 A CN201310608288 A CN 201310608288A CN 104652093 A CN104652093 A CN 104652093A
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- washing machine
- suspension rod
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- eccentric
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a washing machine with the eccentric detecting function, and belongs to the field of washing machines. The washing machine comprises a controller, a box body, an inner barrel, an outer barrel and a lifting rod; the outer barrel is positioned in the box body; the inner barrel is positioned in the outer barrel; the first end of the lifting rod is connected with the box body, and while the second end of the lifting rod is connected with the outer barrel; a plurality of bottom feet are arranged at the bottom part of the box body. The washing machine further comprises a force measuring sensor for detecting the bearing pressure value of the lifting rod or the bottom feet; the controller drives the inner barrel to rotate through a motor and determines whether the inner barrel is eccentric according to the bearing pressure value of the lifting rod or the bottom feet, corresponding to different rotating positions of the inner barrel. The washing machine has the characteristics of being sensitive to react, high in detection precision, simple in structure, and low in cost.
Description
Technical field
The present invention relates to washing machine field, particularly relate to and a kind of there is the washing machine of eccentricity detecting function and the eccentric detection method of this washing machine.
Background technology
Due to the water absorbing capacity of washings, the inconsistent of material in washing machine use procedure, easily there is the problem of washings skewness.Washings skewness can cause the rotating shaft of washing machine to depart from center, under washing machine operates in eccentric state.Eccentric state can cause interior bucket to clash into casing or control lever, produces vibration or noise, the problem of even there will be washing machine displacement when bias is serious, jumping or damaging.
The laundry amounts of a Chinese patent literature publication number CN1611662A roller washing machine and the checkout gear of eccentricity value and detection method thereof, the rotatable cylinder that it comprises casing and arranges in casing, for encasing the outside of cylinder and the urceolus arranged, be provided with in the both sides, bottom of urceolus and possess fixed part and sliding part and the shock absorber that can weaken urceolus vibration, with the motor driving part of head roll, and control to supply water and the confession of draining, draining control part, test section and control program system microcomputer.
This patent measures the bias of washing machine by the length difference detected between the length variations of the shock absorber supporting outer barrel cylinder or both sides shock absorber, this mode will be set up and is complicated device for detecting length, and the own rigidity of the precision and the shock absorber that detect, retractility are relevant, therefore detection architecture can be subject to the impact of shock absorber, accuracy of detection is not high, it is comparatively blunt to react, and complex structure, cost is higher.
Summary of the invention
In order to overcome the defect of prior art, technical problem to be solved by this invention is to propose a kind of washing machine with eccentricity detecting function, and it is quick on the draw, and accuracy of detection is higher, and structure is simple, and cost is lower.
For reaching this object, the present invention by the following technical solutions:
The invention provides a kind of washing machine with eccentricity detecting function, comprise controller, casing, interior bucket, outer barrel and suspension rod, described outer barrel is positioned at described box house, described interior bucket is positioned at the inside of described outer barrel, the first end of described suspension rod is connected with described casing, second end of described suspension rod is connected with described outer barrel, the bottom of described casing is provided with multiple footing, also comprise the force cell of the load-bearing stress value for detecting described suspension rod or footing, described controller drives described interior bucket to rotate by motor, and judge that whether described interior bucket is eccentric according to the load-bearing stress value of described suspension rod corresponding to the different turned positions of described interior bucket or footing.
Further technical scheme of the present invention: force cell is pressure sensor, described pressure sensor is fixed on described footing or one end of described suspension rod.
Further technical scheme of the present invention: force cell is pulling force sensor, and described pulling force sensor is fixed on described suspension rod.
Further technical scheme of the present invention: the bottom of described outer barrel is provided with holder, the first end of described suspension rod is connected with described holder, and the junction of described holder and described suspension rod is located at by described force cell.
Further technical scheme of the present invention: the top of described casing is provided with drift angle, the second end of described suspension rod is connected with described drift angle, and the junction of described drift angle and described suspension rod is located at by described force cell.
Further technical scheme of the present invention: described washing machine is pulsator washing machine, tumbling-box washing machine or agitator type washing machine.
Present invention also offers a kind of eccentric detection method of the washing machine for having eccentricity detecting function, implementing as follows:
S00: presupposed off-center value M and anglec of rotation R in the controller of washing machine;
S10: when washing machine starts, the initial value of described force cell makes zero by described controller;
S20: described controller detects the stress value G of described washing machine internal clothing gravity generation by described force cell first time
m, the stress value G that described controller record first time is detected
m, wherein m=1;
S30: described controller controls described motor and drives described interior bucket to rotate R degree, and described controller detects the stress value G of described washing machine internal clothing gravity generation again by described force cell
m, described controller record stress value G
m, wherein m=2,3,4 ... n;
S40: repeat S30 step n-1 time, until during (n-1) R>=360 °, described controller stops driving described interior bucket to rotate, and calculates whole stress value G
mthe difference DELTA G of middle maximum and minimum of a value.
S50: the size of the more described difference DELTA G of described controller and described eccentricity value M,
If Δ G < is M, eccentricity detecting stops, and described washing machine enters the water smoking,
If Δ G >=M, described washing machine enters eccentric adjustment modes.
Further technical scheme of the present invention: in S40 step, the stress value G that described controller is whole
msize, according to stress value G
msize find out maximum G
max=max{G
m, m=1,2,3 ... n} and minimum of a value G
min=min{G
m, m=1,2,3 ... n},
Described controller calculates the difference DELTA G=G of described maximum and minimum of a value
max-G
min.
Further technical scheme of the present invention: S20 step was carried out before washing machine dewaters at every turn.
Further technical scheme of the present invention:
In S50 step, after described eccentric adjustment modes is opened, adjust the position of the eccentric clothing of described washing machine, method of adjustment is implemented as follows:
S501: described washing machine enters class rinse stage;
S502: after class rinse stage completes, described controller controls washing machine execution S20 step and obtains difference DELTA G to S40 step;
S503: the size of the more described difference DELTA G of described controller and described eccentricity value M,
If Δ G < is M, eccentric adjustment stops, and described washing machine enters the water smoking,
If Δ G >=M, described washing machine enters class rinse stage again;
S504: repeat S501 step to S503 step, if after described washing machine enters class rinse stage three times, the size of the more described difference DELTA G of described controller and described eccentricity value M is Δ G >=M, then described controller controls described washing machine and gives the alarm, clothing shakes loose by prompting user mode manually, enters S502 after clothing shakes loose;
S505: repeat S501 step to S504 step, until described washing machine enters the water smoking.
Beneficial effect of the present invention is:
Whether eccentric by arranging pressure sensor or pulling force sensor if detecting washing machine for washing machine provided by the invention, and accuracy of detection is high.Pressure sensor is fixed on footing or one end of suspension rod, and pulling force sensor is fixed on suspension rod, and footing or these two positions of suspension rod are all the key positions bearing washing machine gravity, therefore this washing machine is very sensitive to the position reaction of eccentric washings.Present invention also offers a kind of eccentric detection method, the eccentric state of washing machine can not only control in rational scope by this eccentric detection method, and can accurately determine the position causing eccentric washings.In addition, if find in above-mentioned eccentricity detecting process there is eccentricity issues in washing machine, and this washing machine also has eccentric adjustment function, effectively can eliminate the eccentricity issues that washing machine produces.
Accompanying drawing explanation
Fig. 1 is the structure chart with the washing machine of eccentricity detecting function provided in the embodiment of the present invention one, and force cell is positioned at footing place;
Fig. 2 is the structure chart with the washing machine of eccentricity detecting function provided in the embodiment of the present invention one, and force cell is positioned at suspension rod place;
Fig. 3 is the flow chart of the eccentric detection method provided in the embodiment of the present invention two;
Fig. 4 is the flow chart of the eccentric adjustment modes provided in the embodiment of the present invention three.
In figure:
1, casing; 2, outer barrel; 3, suspension rod; 4, footing; 5, force cell; 6, impeller; 21, holder; 11, drift angle.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 1 or 2, be the structure chart with the washing machine of eccentricity detecting function provided in embodiment one, force cell 5 is positioned at footing place or suspension rod place.
A kind of washing machine with eccentricity detecting function provided in the present embodiment, comprise controller, casing 1, interior bucket, outer barrel 2 and suspension rod 3, it is inner that outer barrel 2 is positioned at casing 1, interior bucket is positioned at the inside of outer barrel 2, and the first end of suspension rod 3 is connected with casing 1, and the second end of suspension rod 3 is connected with outer barrel 2, the bottom of casing 1 is provided with footing 4, the bottom of interior bucket is provided with motor, and controller is connected with motor, and the bottom of described interior bucket is provided with impeller 6.
Washing machine also comprises the force cell 5 of the load-bearing stress value for detecting described suspension rod 3 or footing 4, described controller drives described interior bucket to rotate by motor, and judges that whether described interior bucket is eccentric according to the load-bearing stress value of described suspension rod 3 corresponding to the different turned positions of described interior bucket or footing 4.
Force cell 5 is pressure sensor or pulling force sensor, and pressure sensor or pulling force sensor are connected with controller.Pressure sensor or pulling force sensor have higher sensitivity to washing machine gravity, and accuracy of detection is high.Pressure sensor or pulling force sensor can be arranged on the key position bearing washing machine gravity usually, be preferably pressure sensor and be fixed on footing 4 or one end of suspension rod 3 in the present embodiment, and above-mentioned two positions are more responsive to the reaction of washing machine gravity.
In the present embodiment, preferred pulling force sensor is fixed on suspension rod 3, and this is due to during the architectural characteristic of pulling force sensor causes, and can only be subject to pulling force, therefore can only be arranged on the suspension rod 3 by pulling force, both can be positioned at the middle part of suspension rod 3, also can be positioned at the two ends of suspension rod 3.
Preferred version in the present embodiment: the bottom of outer barrel 2 is provided with holder 21, the first end of suspension rod 3 is connected with holder 21, and the junction of holder 21 and suspension rod 3 is located at by pressure sensor.The top of casing 1 is provided with drift angle 11, and the second end of suspension rod 3 is connected with drift angle 11, and the junction of drift angle 11 and suspension rod 3 is located at by pressure sensor.The advantage being fixed on above-mentioned two junctions significantly need not change the original structure of washing machine, only sets up pressure sensor and suspension rod 3 structure, just can realize the detection of washing machine eccentric state.
In addition, the above-mentioned washing machine utilizing pressure sensor to detect bias comprises pulsator washing machine, tumbling-box washing machine or agitator type washing machine.
Embodiment two
In order to better set forth the present embodiment, the job step that washing machine is conventional being provided, comprising: unlatching, washing stage, rinse stage, water smoking and end.Certainly, in actual use procedure, washing stage in above-mentioned steps, rinse stage and water smoking can carry out repeatedly, before washing machine enters the water smoking at every turn, all carry out eccentricity detecting, carry out combining or sorting according to the preset program of washing machine or the demand of user.
Provide a kind of for the eccentric detection method with the washing machine of eccentricity detecting function in embodiment one in the present embodiment, implement as follows:
S00 step: presupposed off-center value M and anglec of rotation R in the controller of washing machine.
S10 step: when washing machine starts, the initial value of pressure sensor or pulling force sensor makes zero by controller, does not now place clothing in washing machine, and initial value all makes zero by each washing machine use procedure, is conducive to preventing accumulated error.
S20 step: before washing machine dewaters at every turn, described controller detects the stress value G of described washing machine internal clothing gravity generation by described force cell 5 first time
m, the stress value G that described controller record first time is detected
m, wherein m=1.
S30 step: described controller controls described motor and drives described interior bucket to rotate R degree, and described controller detects the stress value G of described washing machine internal clothing gravity generation again by described force cell 5
m, described controller record stress value G
m, wherein m=2,3,4 ... n, n represent last detection.
S40 step: repeat S30 step n-1 time, until during (n-1) R>=360 °, when the angle that namely washing machine rotates is more than or equal to 360 °, and calculates whole stress value G
mthe difference DELTA G of middle maximum and minimum of a value.
Can find out in above-mentioned record, when only having a pressure sensor or pulling force sensor, washing machine should rotate at least one week, so that pressure sensor can detect the eccentric situation of each position of washing machine, in addition, in theory, the value of anglec of rotation R is less, accuracy of detection is higher, but this can increase the difficulty that the washing machine anglec of rotation controls, therefore can consider that washing machine rotates 2 π n+R angles, solves the anglec of rotation too small, the problem of Electric Machine Control difficulty, thus the accuracy improving eccentricity detecting.
Concrete computational process is as follows: the stress value G that described controller is whole
msize.
According to stress value G
msize find out maximum G
max=max{G
m, m=1,2,3 ... n} and minimum of a value G
min=min{G
m, m=1,2,3 ... n}.
Controller calculates the difference DELTA G=G of described maximum and minimum of a value
max-G
min.
S50 step: the size of the more described difference DELTA G of controller and eccentricity value M,
If Δ G < is M, eccentricity detecting stops, and washing machine enters the water smoking,
If Δ G >=M, washing machine enters eccentric adjustment modes or gives the alarm, and reminds user of service's manual handle.
The further scheme of the present embodiment: in S50 step, after eccentric adjustment modes is opened, adjust the position of the eccentric clothing of washing machine, method of adjustment is implemented as follows:
S501 step: washing machine enters class rinse stage, when washing machine is in class rinse stage, washing machine also can carry out rinsing to clothing, but the meeting total consuming time of class rinse stage is less than the always consuming time of normal rinsing usually, to accelerate the process of eccentric adjusting stage.
S502 step: after class rinse stage completes, controller controls washing machine execution S20 step and obtains difference DELTA G to S40 step.
S503 step: controller compares the size of difference DELTA G and described eccentricity value M,
If Δ G < is M, eccentric adjustment stops, and washing machine enters the water smoking;
If Δ G >=M, washing machine enters class rinse stage again.
S504 step: repeat S501 step to S503 step, if after washing machine enters class rinse stage three times, the size that controller compares difference DELTA G and eccentricity value M is Δ G >=M, then controller control washing machine gives the alarm, clothing shakes loose by prompting user mode manually, enters S502 after clothing shakes loose.
That is, the number of times of class rinsing adjustment is three times, and more than three times, eccentricity issues is processed, and gives the alarm and reminds user of service manual handle, and eccentricity issues is resolved and just enters the water smoking more than three times or after third time adjustment.The process of each class rinsing adjustment, all needs washing machine to perform S20 step to S40 step, the eccentricity detecting step namely in eccentric detection method.In addition, three times is the preferred version in the present embodiment, is not limited to three times, once, twice or be all repeatedly feasible.
S505 step: repeat S501 step to S504 step, until washing machine enters the water smoking.
The present invention is described by preferred embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various change or equivalence replacement to these characteristic sum embodiments.The present invention is not by the restriction of specific embodiment disclosed herein, and other embodiments fallen in the claim of the application all belong to the scope of protection of the invention.
Claims (10)
1. one kind has the washing machine of eccentricity detecting function, comprise controller, casing (1), interior bucket, outer barrel (2) and suspension rod (3), it is inner that described outer barrel (2) is positioned at described casing (1), described interior bucket is positioned at the inside of described outer barrel (2), the first end of described suspension rod (3) is connected with described casing (1), second end of described suspension rod (3) is connected with described outer barrel (2), and the bottom of described casing (1) is provided with multiple footing (4), it is characterized in that:
Also comprise the force cell (5) of the load-bearing stress value for detecting described suspension rod (3) or footing (4);
Described controller drives described interior bucket to rotate by motor, and judges that whether described interior bucket is eccentric according to the load-bearing stress value of described suspension rod (3) corresponding to the different turned positions of described interior bucket or footing (4).
2. the washing machine with eccentricity detecting function according to claim 1, is characterized in that:
Force cell (5) is pressure sensor;
Described pressure sensor is fixed on described footing (4) or one end of described suspension rod (3).
3. the washing machine with eccentricity detecting function according to claim 1, is characterized in that:
Force cell (5) is pulling force sensor;
Described pulling force sensor is fixed on described suspension rod (3).
4. the washing machine with eccentricity detecting function according to claim 1, is characterized in that:
The bottom of described outer barrel (2) is provided with holder (21);
The first end of described suspension rod (3) is connected with described holder (21);
The junction of described holder (21) and described suspension rod (3) is located at by described force cell (5).
5. the washing machine with eccentricity detecting function according to claim 1, is characterized in that:
The top of described casing (1) is provided with drift angle (11);
Second end of described suspension rod (3) is connected with described drift angle (11);
The junction of described drift angle (11) and described suspension rod (3) is located at by described force cell (5).
6. the washing machine with eccentricity detecting function according to claim 1, is characterized in that:
Described washing machine is pulsator washing machine, tumbling-box washing machine or agitator type washing machine.
7. for the eccentric detection method with the washing machine of eccentricity detecting function described in any one of claim 1-6, it is characterized in that, implement as follows:
S00: presupposed off-center value M and anglec of rotation R in the controller of washing machine;
S10: when washing machine starts, the initial value of described force cell (5) makes zero by described controller;
S20: described controller detects the stress value G of described washing machine internal clothing gravity generation by described force cell (5) first time
m, the stress value G that described controller record first time is detected
m, wherein m=1;
S30: described controller controls described motor and drives described interior bucket to rotate R degree, and described controller detects the stress value G of described washing machine internal clothing gravity generation again by described force cell (5)
m, described controller record stress value G
m, wherein m=2,3,4 ... n;
S40: repeat S30 step n-1 time, until during (n-1) R>=360 °, described controller stops driving described interior bucket to rotate, and calculates whole stress value G
mthe difference DELTA G of middle maximum and minimum of a value.
S50: the size of the more described difference DELTA G of described controller and described eccentricity value M,
If Δ G < is M, eccentricity detecting stops, and described washing machine enters the water smoking,
If Δ G >=M, described washing machine enters eccentric adjustment modes.
8. a kind of eccentric detection method according to claim 7, is characterized in that:
In S40 step, the stress value G that described controller is whole
msize;
According to stress value G
msize find out maximum G
max=max{G
m, m=1,2,3 ... n} and minimum of a value G
min=min{G
m, m=1,2,3 ... n};
Described controller calculates the difference DELTA G=G of described maximum and minimum of a value
max-G
min.
9. a kind of eccentric detection method according to claim 7, is characterized in that:
S20 step was carried out before washing machine dewaters at every turn.
10. want a kind of eccentric detection method described in 7 according to right, it is characterized in that:
In S50 step, after described eccentric adjustment modes is opened, adjust the position of the eccentric clothing of described washing machine, method of adjustment is implemented as follows:
S501: described washing machine enters class rinse stage;
S502: after class rinse stage completes, described controller controls washing machine enforcement of rights and requires that the S20 step in 7 obtains difference DELTA G to S40 step;
S503: the size of the more described difference DELTA G of described controller and described eccentricity value M,
If Δ G < is M, eccentric adjustment stops, and described washing machine enters the water smoking,
If Δ G >=M, described washing machine enters class rinse stage again;
S504: repeat S501 step to S503 step, if after described washing machine enters class rinse stage three times, the size of the more described difference DELTA G of described controller and described eccentricity value M is Δ G >=M, then described controller controls described washing machine and gives the alarm, clothing shakes loose by prompting user mode manually, enters S502 after clothing shakes loose;
S505: repeat S501 step to S504 step, until described washing machine enters the water smoking.
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| CN201310608288.6A CN104652093A (en) | 2013-11-25 | 2013-11-25 | Washing machine with eccentric detecting function and eccentric detecting method |
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| CN201310608288.6A CN104652093A (en) | 2013-11-25 | 2013-11-25 | Washing machine with eccentric detecting function and eccentric detecting method |
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Cited By (6)
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| 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 |
| CN106996006A (en) * | 2017-04-13 | 2017-08-01 | 海信（山东）冰箱有限公司 | A kind of dewatering control method for washing machine and device, washing machine |
| CN108691145A (en) * | 2018-05-31 | 2018-10-23 | 青岛海尔洗衣机有限公司 | A kind of washing machine unbalance loading instruction device, washing machine and unbalance loading detection method |
| CN108823899A (en) * | 2018-08-02 | 2018-11-16 | 青岛海尔洗衣机有限公司 | A kind of washing machine and its control method |
| CN114182490A (en) * | 2021-12-24 | 2022-03-15 | 珠海格力电器股份有限公司 | Eccentricity detection method for washing device and washing device |
| CN114481548A (en) * | 2020-11-13 | 2022-05-13 | 无锡小天鹅电器有限公司 | Clothes treatment equipment, control method and device thereof and storage medium |
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| CN108691145A (en) * | 2018-05-31 | 2018-10-23 | 青岛海尔洗衣机有限公司 | A kind of washing machine unbalance loading instruction device, washing machine and unbalance loading detection method |
| CN108691145B (en) * | 2018-05-31 | 2022-09-02 | 佛山市顺德海尔电器有限公司 | Washing machine unbalance loading indicating device, washing machine and unbalance loading detection method |
| CN108823899A (en) * | 2018-08-02 | 2018-11-16 | 青岛海尔洗衣机有限公司 | A kind of washing machine and its control method |
| CN114481548A (en) * | 2020-11-13 | 2022-05-13 | 无锡小天鹅电器有限公司 | Clothes treatment equipment, control method and device thereof and storage medium |
| CN114481548B (en) * | 2020-11-13 | 2023-11-03 | 无锡小天鹅电器有限公司 | Laundry treating apparatus, control method and device thereof, and storage medium |
| CN114182490A (en) * | 2021-12-24 | 2022-03-15 | 珠海格力电器股份有限公司 | Eccentricity detection method for washing device and washing device |
| CN114182490B (en) * | 2021-12-24 | 2022-12-16 | 珠海格力电器股份有限公司 | Eccentricity detection method for washing device and washing device |
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Effective date of registration: 20160601 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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