CN105088643A - Washing machine drainage control method - Google Patents
Washing machine drainage control method Download PDFInfo
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- CN105088643A CN105088643A CN201410219266.5A CN201410219266A CN105088643A CN 105088643 A CN105088643 A CN 105088643A CN 201410219266 A CN201410219266 A CN 201410219266A CN 105088643 A CN105088643 A CN 105088643A
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Abstract
The invention provides a washing machine drainage control method and belongs to the field of washing device control. The invention aims to solve the problem of poor automatic cleaning effect of filter screens of the conventional washing machines. The washing machine drainage control method is characterized in that the rotating speed of an inner barrel and/or an impeller is controlled in a drainage process and the flow speed of washing liquor is controlled by controlling the rotating speed of the inner barrel and/or the impeller to clean a filter screen through back flushing. The washing machine drainage control method improves the filter screen cleaning effect; the rotation of the inner barrel and/or the impeller increases the discharge speed of the washing liquor, so that the filter screen cleaning effect can also be improved. When the water level is relatively low, the inner barrel and/or the impeller rotate(s) at a relatively high speed and wave-like high speed rotating water flow containing a large number of bubbles is generated in the inner barrel; the high speed wave-like bubble water flow can wash thread residues attached to the filter screen away, so that the filter screen is cleaned automatically.
Description
Technical field
The present invention relates to a kind of washing machine drainage control method.
Background technology
Washing machine can produce or be separated outlet bits, chip, small-sized impurity etc. in the process of laundry.These materials are easily bonded on clothing, affect the cleaning performance of clothing.
In order to address this problem, existing washing machine inner tub bottom side is opened water hole and install screen pack at the bottom of interior bucket.By this filter screen filtration line bits, collect line bits and automatically remove line bits.
In this washing machine structure, the effect of screen pack is remarkable, but due to the flow rate of water flow of back flush screen pack during rotary drum washing machine draining more weak, be difficult to clean for screen pack cleaning down.The of long duration blocking easily causing screen pack, effect string bits collecting effect.
Summary of the invention
An object of the present invention is to propose a kind ofly to carry out thoroughly clean washing machine drainage control method to screen pack.
Another object of the present invention proposes a kind of washing machine drainage control method high to filtering net cleaning efficiency.
For reaching this object, the present invention by the following technical solutions:
A kind of washing machine drainage control method, described method is the rotating speed of bucket and/or impeller in controlling in drainage procedure, controls the flow velocity of washing lotion with reversed-cleaning filter net by the rotating speed controlling interior bucket and/or impeller.
Particularly, described method is the velocity of rotation setting interior bucket and/or impeller in drainage procedure according to the height of washing machine water level, and interior bucket and/or impeller when different heights of water level are rotated with different speed.
Further, described method comprises following concrete steps:
Step 1, the water level in washing machine is arranged N number of calibration value, N be more than or equal to 1 positive integer; 1≤i≤N, assignment i=1;
Step 2, opening water discharge valve, start draining;
Whether step 3, judgement current level value, lower than equaling designated water level value Hi, are go to step 4; Otherwise continue detect current level value and judge, until current level value goes to step 4 lower than equaling designated water level value Hi;
In step 4, control, the velocity of rotation of bucket and/or impeller is Vi;
Whether step 5, judgement i equal N, are go to step 6; Otherwise i=i+1, goes to step 3;
Step 6, end.
Particularly, described method also comprises: when water level value is lower than when equaling the height value of lowest water level sensor, start to perform dehydrating operations; Dehydrating operations terminates rear stopping motor.
Particularly, when water level value is lower than when equaling setting value Hs, close draining valve, interior bucket and/or impeller rotate according to setting speed Vs; After rotating the Ts time, reopen draining valve.
Particularly, N=2 is set; As i=1, in designated water level value H1=, the bottom sides of bucket is along+10 ~ 20cm, and velocity of rotation is V1=50 ~ 100rpm; As i=2, in designated water level value H2=, the bottom sides of bucket is along+2 ~ 5cm, and velocity of rotation is V2=120 ~ 180rpm.
Further, as i=1, in designated water level value H1=, the bottom sides of bucket is along+15cm, and velocity of rotation is V1=90rpm; As i=2, in designated water level value H2=, the bottom sides of bucket is along+3cm, and velocity of rotation is V2=150rpm.
Particularly, as i=1, interior bucket and/or impeller rotate forward, interior bucket and/or impeller reversion as i=2; Or interior bucket and/or impeller reversion as i=1, as i=2, interior bucket and/or impeller rotate forward.
Washing machine drainage control method of the present invention is the rotating speed of bucket and/or impeller in controlling in drainage procedure, and the flow velocity being controlled washing lotion by the rotating speed controlling interior bucket and/or impeller is to strengthen washing away dynamics, the effect of raising cleaning filter net to screen pack; Meanwhile, the rotation of interior bucket and/or impeller too increases the velocity of discharge of washing lotion, can strengthen the cleaning performance to screen pack equally.When water level is lower, interior bucket and/or impeller rotate at a relatively high speed, now can produce the wave High Rotation Speed current containing a large amount of steam bubble in interior bucket, the flushing of the line sticked on screen pack bits is got off by high speed wave bubble water flow energy, realizes the automated cleaning to screen pack.
Accompanying drawing explanation
Fig. 1 is the washing machine structure schematic diagram using washing machine drainage control method of the present invention;
Fig. 2 is streamflow regime schematic diagram in the process of laundry washer shown in Fig. 1;
Fig. 3 is streamflow regime schematic diagram in draining process of washing machine shown in Fig. 1;
Fig. 4 is the washing machine drainage control method flow chart of the preferred embodiment of the present invention one;
Fig. 5 is the washing machine drainage control method flow chart of the preferred embodiment of the present invention three.
Be labeled as in figure:
1, outer barrel; 2, interior bucket; 3, impeller; 4, screen pack; 5, motor driving shaft; 6, drainpipe; 7, gimbal; 21, interior bucket sidewall water hole; 22, water hole at the bottom of interior bucket; 23, at the bottom of interior bucket; 24, ring flange at the bottom of interior bucket; 31, impeller water hole.
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.
Remove line bits in order to collect better, automatically, the invention provides a kind of washing machine.This washing machine at least comprises casing, outer barrel, interior bucket, impeller, motor driver, computer board controller, water inlet system and drainage system.Wherein, as shown in Figure 1, the port of interior bucket 2 is provided with gimbal 7, and sidewall is provided with interior bucket sidewall water hole 21; The side of 23 at the bottom of interior bucket is provided with water hole 22 at the bottom of interior bucket, and bottom is provided with ring flange 24 at the bottom of interior bucket and screen pack 4; Ring flange 24 at the bottom of interior bucket and screen pack 4 coordinate to be installed.
As shown in Figure 2, impeller 3 alternately rotating under motor driving shaft 5 drives in laundry processes, the main body of current flows to and is: the inside of interior bucket 2, and---> impeller water hole 31 is---at the bottom of > impeller 3 and interior bucket between 23---> is positioned at water hole 22 at the bottom of the bucket of bucket bottom side---between > bucket 2 and outer barrel 1; A water part between interior bucket 2 and outer barrel 1 is got back at the bottom of impeller 3 and interior bucket between 23 through filter screen 4, and another part is through interior bucket sidewall water hole 21 and the water convection current in interior bucket 2.
This washing machine is similar to impeller water pump, is constantly extracted between interior bucket 2 and outer barrel 1 by the water in interior bucket 2.The line bits flowing through filter screen 4 are blocked in 23 places at the bottom of interior bucket, and between interior bucket 2 and outer barrel 1, other line bits major part is also all blocked between interior bucket 2 and outer barrel 1 because interior bucket sidewall water hole 21 is less.
As shown in Figure 3, water water hole 22 and screen pack 4 at the bottom of interior bucket in drainage procedure in bucket 2 enter between interior bucket 2 and outer barrel 1.Wherein, the current of discharging from screen pack 4 can carry out recoil cleaning to screen pack 4.The line bits be blocked between interior bucket 2 and outer barrel 1 are discharged to outside washing machine with current through drainpipe 6, realize the full-automatic eliminating of line bits.
Water hole 22 at the bottom of the interior bucket that in this washing machine utilizes, 23 sides at the bottom of bucket are offered and the screen pack 4 be arranged at the bottom of interior bucket on 23 are automatically collected, are removed line bits, improve the filter effect of line bits.But because during rotary drum washing machine draining, the flow rate of water flow of back flush screen pack 4 is more weak, be difficult to clean for screen pack 4 cleaning down.In order to address this problem, need control method when changing washing machine drainage, to increase the dynamics to screen pack 4 backwash.
Preferred embodiment one:
This preferred embodiment provides a kind of washing machine drainage control method.The method is the rotating speed of bucket and/or impeller in controlling in drainage procedure, controls the flow velocity of washing lotion with reversed-cleaning filter net by the rotating speed controlling interior bucket and/or impeller.Concrete, in drainage procedure, set the velocity of rotation of interior bucket and/or impeller according to the height of washing machine water level, interior bucket and/or impeller when different heights of water level are rotated with different speed.
The method comprises following concrete steps as shown in Figure 4:
Step 1, the water level in washing machine is arranged two calibration values, assignment i=1.
Step 2, computer board programme-control opening water discharge valve, start draining.
Whether step 3, judgement current level value, lower than equaling designated water level value Hi, are go to step 4; Otherwise continue detect current level value and judge, until current level value goes to step 4 lower than equaling designated water level value Hi.
Step 4, control in the velocity of rotation of bucket 2 and/or impeller 3 be Vi, controlled the flowing velocity of washing lotion by the rotating speed controlling interior bucket 2 and/or impeller 3, strengthen and dynamics is washed away to screen pack 4; Accelerate the velocity of discharge of current simultaneously, increase the backwash ability to screen pack 4 equally.
Whether step 5, judgement i equal 2, are go to step S1; Otherwise i=i+1, goes to step 3.
Whether step S1, judgement level sensor reset, and are go to step S2; Otherwise go to step 4; Water level residing when reset water level refers to that level sensor can't detect water.
In step S2, control, the velocity of rotation of bucket 2 and/or impeller 3 is dewatering speed.Dewatering speed is a higher rotating speed, now can produce the wave High Rotation Speed current containing a large amount of steam bubble in interior bucket 2, the line bits sticked on screen pack 4 will be rinsed under the washing away of high speed wave bubble current, realize the automated cleaning to screen pack 4.
Step S3, judging whether the dewatering time reaching setting, is go to step S4; Otherwise go to step S2.
Step S4, computer board program stopped to the driving of motor, allow washing machine inner tub 2 according to inertia run a period of time used de-after perform brake, shutdown action.After shutdown, washing machine can proceed rinsing or terminate laundry.
Perform in above-mentioned water discharge control method process at washing machine, designated water level value H1 is than the 23 high 10 ~ 20cm in edge at the bottom of interior bucket, and velocity of rotation is V1=50 ~ 100rpm; The 23 high 2 ~ 5cm in edge at the bottom of bucket in designated water level value H2=, velocity of rotation is V2=120 ~ 180rpm.
Preferably, 23 edge height 15cm at the bottom of bucket in designated water level value H1=, velocity of rotation is V1=90rpm; 23 edge height 3cm at the bottom of bucket in designated water level value H2=, velocity of rotation is V2=150rpm.
Preferred embodiment two:
This preferred embodiment provides a kind of washing machine drainage control method, and the method is substantially identical with preferred embodiment one.
Difference is: when water level value is lower than when equaling setting value Hs, and close draining valve, interior bucket and/or impeller rotate according to setting speed Vs; After rotating the Ts time, reopen draining valve.This water level value can set as required and specifically.Temporary close draining valve can allow existing washing lotion in bucket for longer periods wash away screen pack, better to the cleaning performance of screen pack.
As i=1, interior bucket and/or impeller rotate forward, interior bucket and/or impeller reversion as i=2; Or interior bucket and/or impeller reversion as i=1, as i=2, interior bucket and/or impeller rotate forward.The rotating of interior bucket and/or impeller alternately can drive the washing lotion in bucket to do forward and reverse eddy flow, can do omnibearing washing away, improve the cleaning effect to screen pack to screen pack.
Preferred embodiment three:
This preferred embodiment provides a kind of washing machine drainage control method.The method comprises following concrete steps as shown in Figure 5:
Step 1, the water level in washing machine is arranged N number of calibration value, N be more than or equal to 1 positive integer; 1≤i≤N, assignment i=1;
Step 2, opening water discharge valve, start draining;
Whether step 3, judgement current level value, lower than equaling designated water level value Hi, are go to step 4; Otherwise continue detect current level value and judge, until current level value goes to step 4 lower than equaling designated water level value Hi;
In step 4, control, the velocity of rotation of bucket and/or impeller is Vi;
Whether step 5, judgement i equal N, are go to step 6; Otherwise i=i+1, goes to step 3;
Step 6, end.
Situation can set the numerical value of N according to specific needs, be as the criterion so that screen pack is cleaned up.
Claims (8)
1. a washing machine drainage control method, is characterized in that, described method is the rotating speed of bucket and/or impeller in controlling in drainage procedure, controls the flow velocity of washing lotion with reversed-cleaning filter net by the rotating speed controlling interior bucket and/or impeller.
2. washing machine drainage control method according to claim 1, it is characterized in that, described method is the velocity of rotation setting interior bucket and/or impeller in drainage procedure according to the height of washing machine water level, and interior bucket and/or impeller when different heights of water level are rotated with different speed.
3. washing machine drainage control method according to claim 2, is characterized in that, described method comprises following concrete steps:
Step 1, the water level in washing machine is arranged N number of calibration value, N be more than or equal to 1 positive integer; 1≤i≤N, assignment i=1;
Step 2, opening water discharge valve, start draining;
Whether step 3, judgement current level value, lower than equaling designated water level value Hi, are go to step 4; Otherwise continue detect current level value and judge, until current level value goes to step 4 lower than equaling designated water level value Hi;
In step 4, control, the velocity of rotation of bucket and/or impeller is Vi;
Whether step 5, judgement i equal N, are go to step 6; Otherwise i=i+1, goes to step 3;
Step 6, end.
4. according to the arbitrary described washing machine drainage control method of claims 1 to 3, it is characterized in that, described method also comprises: when water level value is lower than when equaling the height value of lowest water level sensor, start to perform dehydrating operations; Dehydrating operations terminates rear stopping motor.
5. according to the arbitrary described washing machine drainage control method of claims 1 to 3, it is characterized in that, when water level value is lower than when equaling setting value Hs, close draining valve, interior bucket and/or impeller rotate according to setting speed Vs; After rotating the Ts time, reopen draining valve.
6. washing machine drainage control method according to claim 3, is characterized in that, setting N=2;
As i=1, in designated water level value H1=, the bottom sides of bucket is along+10 ~ 20cm, and velocity of rotation is V1=50 ~ 100rpm;
As i=2, in designated water level value H2=, the bottom sides of bucket is along+2 ~ 5cm, and velocity of rotation is V2=120 ~ 180rpm.
7. washing machine drainage control method according to claim 6, is characterized in that, as i=1, in designated water level value H1=, the bottom sides of bucket is along+15cm, and velocity of rotation is V1=90rpm;
As i=2, in designated water level value H2=, the bottom sides of bucket is along+3cm, and velocity of rotation is V2=150rpm.
8. washing machine drainage control method according to claim 6, is characterized in that, as i=1, interior bucket and/or impeller rotate forward, interior bucket and/or impeller reversion as i=2;
Or interior bucket and/or impeller reversion as i=1, as i=2, interior bucket and/or impeller rotate forward.
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| CN201410219266.5A CN105088643B (en) | 2014-05-22 | 2014-05-22 | Washing machine drainage control method |
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| CN201410219266.5A CN105088643B (en) | 2014-05-22 | 2014-05-22 | Washing machine drainage control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107354660A (en) * | 2017-08-01 | 2017-11-17 | 青岛海尔洗衣机有限公司 | A kind of rotary drum washing machine and control method |
| CN107460694A (en) * | 2016-06-06 | 2017-12-12 | 博西华电器（江苏）有限公司 | Clothes washer-dryer and its operation method |
| CN108893932A (en) * | 2018-09-10 | 2018-11-27 | 海信（山东）冰箱有限公司 | A kind of control method of washing and washing machine |
| CN109770811A (en) * | 2017-11-15 | 2019-05-21 | 青岛海尔洗碗机有限公司 | A kind of controlling Method for inflow of watering equipment |
| CN110284295A (en) * | 2018-03-19 | 2019-09-27 | 青岛海尔洗衣机有限公司 | A kind of control method of the washing machine with self-cleaning filter |
| CN110409120A (en) * | 2018-04-28 | 2019-11-05 | 无锡小天鹅电器有限公司 | Dehydration controlling method, device and device for clothing processing |
| CN110904642A (en) * | 2018-08-28 | 2020-03-24 | 青岛海尔洗衣机有限公司 | Control method of washing machine |
| CN110952263A (en) * | 2018-09-27 | 2020-04-03 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN111850993A (en) * | 2019-04-25 | 2020-10-30 | 青岛海尔滚筒洗衣机有限公司 | Washing and drying integrated machine and method for automatically cleaning thread scraps |
| CN111850967A (en) * | 2019-04-30 | 2020-10-30 | 青岛海尔股份有限公司 | Self-cleaning washing machine and control method thereof |
| CN114593777A (en) * | 2022-05-10 | 2022-06-07 | 湖北一方科技发展有限责任公司 | Automatic hydrology flood mark monitoring devices suitable for areas that flood disasters are frequently sent |
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| CN107460694B (en) * | 2016-06-06 | 2020-11-06 | 博西华电器（江苏）有限公司 | Washing and drying machine and operation method thereof |
| CN107460694A (en) * | 2016-06-06 | 2017-12-12 | 博西华电器（江苏）有限公司 | Clothes washer-dryer and its operation method |
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| CN110409120B (en) * | 2018-04-28 | 2021-09-21 | 无锡小天鹅电器有限公司 | Dehydration control method and device and clothes treatment device |
| CN110904642A (en) * | 2018-08-28 | 2020-03-24 | 青岛海尔洗衣机有限公司 | Control method of washing machine |
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| CN108893932A (en) * | 2018-09-10 | 2018-11-27 | 海信（山东）冰箱有限公司 | A kind of control method of washing and washing machine |
| CN110952263A (en) * | 2018-09-27 | 2020-04-03 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN110952263B (en) * | 2018-09-27 | 2023-01-06 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN111850993A (en) * | 2019-04-25 | 2020-10-30 | 青岛海尔滚筒洗衣机有限公司 | Washing and drying integrated machine and method for automatically cleaning thread scraps |
| CN111850967A (en) * | 2019-04-30 | 2020-10-30 | 青岛海尔股份有限公司 | Self-cleaning washing machine and control method thereof |
| CN114593777A (en) * | 2022-05-10 | 2022-06-07 | 湖北一方科技发展有限责任公司 | Automatic hydrology flood mark monitoring devices suitable for areas that flood disasters are frequently sent |
| CN114593777B (en) * | 2022-05-10 | 2022-08-05 | 湖北一方科技发展有限责任公司 | Automatic hydrology flood mark monitoring devices suitable for areas that flood disasters are frequently sent |
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