CN101967743A - Washing machine capable of automatically judging position of drain pipe and washing machine control method - Google Patents
Washing machine capable of automatically judging position of drain pipe and washing machine control method Download PDFInfo
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- CN101967743A CN101967743A CN2010102909612A CN201010290961A CN101967743A CN 101967743 A CN101967743 A CN 101967743A CN 2010102909612 A CN2010102909612 A CN 2010102909612A CN 201010290961 A CN201010290961 A CN 201010290961A CN 101967743 A CN101967743 A CN 101967743A
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Abstract
The invention relates to a washing machine capable of automatically judging the position of a drain pipe and a washing machine control method. The washing machine comprises the full-automatic procedures of washing, rinsing and drying, wherein the washing procedure comprises the processes of water supply, washing and drainage. The washing machine is provided with a magnet and a switch element for judging the position of the drain pipe; and the circuit of the switch element is connected with a computer programmable logic controller. When the washing is finished and the drainage process is started, the control method comprises the following steps of: judging whether the switch element is switched off or not, and transmitting a switch signal to the computer programmable logic controller; if the switch element is switched off, transmitting an alarming signal to indicate the laying-down of the drain pipe by using the computer programmable logic controller; and if the switch element is cut off, transmitting an electrifying signal to a drainage control element and starting draining the washing machine by using the computer programmable logic controller. In the technology of the invention, washing time can be effectively utilized and the safety reliability of the product is improved.
Description
Technical field
The present invention relates to automatic washing machine, particularly relate to the washing machine and the control method for washing machine of a kind of automatic judgement drainpipe position.
Background technology
Automatic washing machine generally is according to the program that configures, and washs, rinsing, dehydration procedure, and washing procedure/rinsing program comprises into water process, washing/rinse cycle, drainage procedure.In use, drainpipe is put into downcomer, still do not have a kind of method to provide effective prompting or solution at present to the user if the user forgets.
Although on the market some down draining washing machine set the long warning function of water discharge time, if promptly in the time of setting, discharge level does not reach predetermined value, washing machine can carry out buzzing and report to the police.But the time of fire alarming of this kind mode is traditionally arranged to be 8-15 minute, time is longer, and this warning is not unique warning of drainpipe not being put into downcomer, if draining valve stops up, cause draining also may cause water discharge time long and report to the police slowly, can not show the washing machine failure cause clearly.When washing machine is the washing machine of draining down, if drainpipe is not put into the situation of downcomer, often causes the user to think and find but when clothes washes soon that washings also do not have row, clothes does not also have rinsing and dehydration, causes to lose time; To the washing machine of last draining,, can cause more serious consequence if the situation that drainpipe is not put into downcomer occurs, the addle of washing machine being discharged as, draining pump is discharged to outside the washing machine, and current get and indoorly are everywhere, even the meeting splash brings potential safety hazard to electrical equipment facilities such as socket.
Summary of the invention
The present invention is based on above-mentioned defective of the prior art, address the above problem, the invention provides the washing machine and the control method for washing machine of a kind of automatic judgement drainpipe position.
The objective of the invention is to, washing machine is judged the drainpipe position automatically, guarantees that drainpipe puts in the downcomer, and a kind of sound and light alarm is provided, the generation of prevent to do washing waste of time and potential safety hazard.
In order to realize the object of the invention, the present invention adopts following technical scheme:
The washing machine of a kind of automatic judgement washing machine sewer pipe position, comprise casing, computer program controller, level sensor, water intaking valve, draining control element, drainpipe, drainpipe hangs on the hook of casing, also comprise the electromagnet of establishing the water discharge outlet end that is inlaid in drainpipe, hanging the drainpipe place at casing installs and the suitable switch element of electromagnet, the circuit of switch element is connected the transmitting switch signal with computer program controller, computer program controller is judged the drainpipe position according to switching signal, and controls the operation of draining control element according to recognition result.
Described switch element is tongue tube or magnetite switch.Described draining control element is drain motor or draining pump, further, when described draining control element is draining pump, computer program controller in the time that water inlet is set, sensed water level sensor frequency changing value, and according to changing value control water inlet operation.
The invention still further relates to a kind of control method for washing machine, be used to comprise washing, rinsing, the full-automatic program of dehydration, washing procedure comprises into water, washing, drainage procedure, washing machine has magnet and the switch element of judging the drainpipe position, the circuit of switch element is connected with computer program controller, washing is finished when entering drainage procedure, and control method comprises the steps:
A, judge that switch element is whether closed, and send switching signal to computer program controller;
If B, computer program controller sends alarm signal, and drainpipe is put down in prompting; If not, carry out the C step;
C, computer program controller are issued draining control element electrical instruction, and washing machine begins draining.
Further, control method for washing machine, the water inlet process at washing procedure also comprises the steps:
D, startup washing machine before the water inlet, are judged the drainage pattern of washing machine earlier;
If E is the draining washing machine down, carry out the designated water level of intaking; If last draining washing machine is carried out the F step;
F, washing machine inflow setting-up time, computer program controller judge whether the washing machine water level changes, if continue the designated water level of intaking; If not, computer program controller sends warning, and the prompting user hangs up suitably height with drainpipe.
To be washing machine draw by judging that level sensor detects in the frequency change value of setting-up time in the variation of described washing machine water level;
Described water inlet setting-up time is 30 seconds-60 seconds, and the frequency change value of described level sensor judges that the washing machine water level changes when being not less than 100Hz.
The another kind of scheme of control method for washing machine, the water inlet process at washing procedure also comprises the steps:
D, startup washing machine before the water inlet, are judged the drainage pattern of washing machine earlier;
If E is the draining washing machine down, carry out the designated water level of intaking; If last draining washing machine is carried out the G step;
G, judge that switch element is whether closed, and send switching signal to computer program controller, if, the designated water level of intaking; If not, carry out the H step;
H, washing machine inflow setting-up time, computer program controller judge whether the washing machine water level changes, if continue the designated water level of intaking; If not, computer program controller sends warning, and the prompting user hangs up suitably height with drainpipe.
Further, described water inlet setting-up time is 30 seconds-60 seconds, and washing machine is by judging the frequency change value of level sensor at setting-up time, when being not less than 100Hz, judges that the washing machine water level changes.
By adopting above-mentioned technical scheme, washing machine of the present invention has the device of automatic judgement drainpipe position, judges automatically whether washing machine sewer pipe puts down, and effectively utilizes the laundry time, improves security of products.
Description of drawings
The washing machine structure schematic diagram of Fig. 1 automatic judgement drainpipe of the present invention position;
Fig. 2 is for being the flow chart of control method for washing machine of the present invention.
Number in the figure: 1. casing, 2. drainpipe, 3. magnet, 4. switch element, 5. draining control element
The specific embodiment
Below in conjunction with accompanying drawing, the washing machine and the control method for washing machine of automatic judgement drainpipe provided by the invention position is elaborated.
Referring to Fig. 1, washing machine structure schematic diagram of the present invention is shown.Washing machine comprises casing 1, computer program controller, level sensor, water intaking valve, draining control element 5, drainpipe 2, drainpipe hangs on the hangers of casing by drainpipe, setting-in electromagnet 3 at the water discharge outlet end of drainpipe, hanging the drainpipe place at casing installs and the suitable switch element 4 of electromagnet, the circuit of switch element is connected the transmitting switch signal with computer program controller, computer program controller is judged the drainpipe position according to switching signal, and controls the operation of draining control element according to recognition result.Switch element is tongue tube or magnetite switch.The draining control element when washing machine be drain motor during for following draining washing machine, when washing machine was last draining washing machine, the draining control element was a draining pump.In order to allow magnet 3 and switch element 4 inductions better, electromagnet is installed in the sidewall that drainpipe is pressed close to casing.Computer program controller is issued CPU as the condition of judging with the signal of the closed and disconnected of the tongue tube collected or magnetite switch.The switch element closure thinks that then drainpipe still hangs on the washing machine; Switch element disconnects thinks that then drainpipe puts down.
As further improvement, when the draining control element is draining pump, computer program controller in the time that water inlet is set, sensed water level sensor frequency changing value, and according to changing value control water inlet operation.
Referring to Fig. 2, control method for washing machine flow chart of the present invention is shown.Finish when entering drainage procedure in washing, no matter still descend the draining washing machine, at first judge the signal of tongue tube or magnetite switch, and this switching signal is passed to computer program controller for last draining washing machine; Moreover computer program controller judges according to switching signal, sends command adapted thereto; Disconnects if judge switch, illustrate that drainpipe has taken off from casing to put into the downcomer that then CPU plumbing control element is switched on, and directly enters drainage procedure; If judge that switch is closed, illustrate that magnet and the switch element on the casing on the drainpipe is close, drainpipe still hangs on the casing of washing machine, and then washing machine directly sends corresponding warning, notifies the user that drainpipe is put down.
As the further improvement of control method for washing machine of the present invention, control method for washing machine, the water inlet process at washing procedure also comprises the steps: to start washing machine, before the water inlet, judges the drainage pattern of washing machine earlier; If following draining washing machine is carried out the designated water level of intaking; If last draining washing machine, washing machine inflow setting-up time, computer program controller judge whether the washing machine water level changes, if continue the designated water level of intaking; If not, computer program controller sends warning, and the prompting user hangs up suitably height with drainpipe.To be washing machine draw by judging that level sensor detects in the frequency change value of setting-up time in the variation of washing machine water level, the water inlet setting-up time is 30 seconds-60 seconds, the frequency change value of described level sensor judges that the washing machine water level changes when being not less than 100Hz.
For last draining washing machine, lead to downcomer again after drainpipe should being hung up.Because if drainpipe is placed directly in underground,,, cause the waste of water resource Yi Bian flow in the downcomer through drainpipe on one side may cause washing machine to intake.So, after washing machine starts, before water inlet, just judge the switch situation of switch element, have following two kinds of situations:
First kind of situation, if judge that switch is closed, the designated water level of then directly intaking washs; After washing is finished, judge switching signal once more, if judge that switch is closed, then computer program controller sends corresponding warning, and the prompting user puts into downcomer with drainpipe; If disconnect, the then computer program controller plumbing pump direct draining of switching on.
Second kind of situation, if judge that switch disconnects, washing machine inflow setting-up time 30s-60s, computer program controller judges whether the washing machine water level changes, the empty bucket of the frequency ratio frequency value added of promptly judging level sensor is not less than 100Hz, illustrate that water level changes, continue the designated water level of intaking, wash; If judge that the empty bucket of the frequency ratio frequency change of level sensor is little, illustrate that water level does not change, computer program controller sends warning, and the prompting user hangs up suitably height with drainpipe.After washing is finished, judge switching signal once more, if judge that switch is closed, then computer program controller sends corresponding warning, and the prompting user puts into downcomer with drainpipe; If disconnect, the then computer program controller plumbing pump direct draining of switching on.
In sum, by adopting above-mentioned technical scheme, washing machine realizes judging automatically the drainpipe position, effectively utilizes the laundry time, improves security of products.Technology of the present invention is also applicable to the clothes washer-dryer of drying function.
Certainly, the present invention is not limited to above-mentioned giving an example, the technical scheme that it will be apparent to those skilled in the art that, under the situation that does not break away from the spirit or scope of the present invention, the present invention is made various modifications and changes in claim of the present invention and be equal in the scope of replacement, and then such modification and change are contained in the present invention.
Claims (10)
1. washing machine of automatically judging the washing machine sewer pipe position, comprise casing, computer program controller, level sensor, water intaking valve, draining control element, drainpipe, drainpipe hangs on the hook of casing, it is characterized in that: also comprise the electromagnet of establishing the water discharge outlet end that is inlaid in drainpipe, hanging the drainpipe place at casing installs and the suitable switch element of electromagnet, the circuit of switch element is connected the transmitting switch signal with computer program controller, computer program controller is judged the drainpipe position according to switching signal, and controls the operation of draining control element according to recognition result.
2. the washing machine of automatic judgement washing machine sewer pipe according to claim 1 position is characterized in that: described switch element is tongue tube or magnetite switch.
3. the washing machine of automatic judgement washing machine sewer pipe according to claim 1 and 2 position, it is characterized in that: described draining control element is drain motor or draining pump.
4. the washing machine of automatic judgement washing machine sewer pipe according to claim 3 position, it is characterized in that: when described draining control element is draining pump, computer program controller in the time that water inlet is set, sensed water level sensor frequency changing value, and according to changing value control water inlet operation.
5. control method for washing machine, be used to comprise washing, rinsing, the full-automatic program of dehydration, washing procedure comprises into water, washing, drainage procedure, it is characterized in that: washing machine has magnet and the switch element of judging the drainpipe position, the circuit of switch element is connected with computer program controller, washing is finished when entering drainage procedure, and control method comprises the steps:
A, judge that switch element is whether closed, and send switching signal to computer program controller;
If B, computer program controller sends alarm signal, and drainpipe is put down in prompting; If not, carry out the C step;
C, computer program controller are issued draining control element electrical instruction, and washing machine begins draining.
6. control method for washing machine according to claim 5 is characterized in that: the water inlet process at washing procedure also comprises the steps:
D, startup washing machine before the water inlet, are judged the drainage pattern of washing machine earlier;
If E is the draining washing machine down, carry out the designated water level of intaking; If last draining washing machine is carried out the F step;
F, washing machine inflow setting-up time, computer program controller judge whether the washing machine water level changes, if continue the designated water level of intaking; If not, computer program controller sends warning, and the prompting user hangs up suitably height with drainpipe.
7. control method for washing machine according to claim 6 is characterized in that: washing machine draws the information whether washing machine water level changes by judging the frequency change value of level sensor at setting-up time.
8. control method for washing machine according to claim 7 is characterized in that: described water inlet setting-up time is 30 seconds-60 seconds, and the frequency change value of described level sensor judges that the washing machine water level changes when being not less than 100Hz.
9. control method for washing machine according to claim 5 is characterized in that: the water inlet process at washing procedure also comprises the steps:
D, startup washing machine before the water inlet, are judged the drainage pattern of washing machine earlier;
If E is the draining washing machine down, carry out the designated water level of intaking; If last draining washing machine is carried out the G step;
G, judge that switch element is whether closed, and send switching signal to computer program controller, if, the designated water level of intaking; If not, carry out the H step;
H, washing machine inflow setting-up time, computer program controller judge whether the washing machine water level changes, if continue the designated water level of intaking; If not, computer program controller sends warning, and the prompting user hangs up suitably height with drainpipe.
10. control method for washing machine according to claim 9, it is characterized in that: described water inlet setting-up time is 30 seconds-60 seconds, washing machine is by judging the frequency change value of level sensor at setting-up time, when being not less than 100Hz, judges that the washing machine water level changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010290961.2A CN101967743B (en) | 2010-09-19 | 2010-09-19 | The washing machine of automatic decision position of drain pipe and control method for washing machine |
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| CN201010290961.2A CN101967743B (en) | 2010-09-19 | 2010-09-19 | The washing machine of automatic decision position of drain pipe and control method for washing machine |
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| CN101967743A true CN101967743A (en) | 2011-02-09 |
| CN101967743B CN101967743B (en) | 2015-12-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178972A (en) * | 2014-08-14 | 2014-12-03 | 松下家电研究开发（杭州）有限公司 | Dehydration control method for clothing treatment device and clothing treating device thereof |
| CN111850950A (en) * | 2019-04-30 | 2020-10-30 | 青岛海尔洗衣机有限公司 | Drainage control method for washing equipment |
| CN115188152A (en) * | 2022-06-28 | 2022-10-14 | 电子科技大学中山学院 | Household security intelligent early warning device, system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178972A (en) * | 2014-08-14 | 2014-12-03 | 松下家电研究开发（杭州）有限公司 | Dehydration control method for clothing treatment device and clothing treating device thereof |
| CN111850950A (en) * | 2019-04-30 | 2020-10-30 | 青岛海尔洗衣机有限公司 | Drainage control method for washing equipment |
| CN111850950B (en) * | 2019-04-30 | 2022-12-09 | 青岛海尔洗衣机有限公司 | Drainage control method for washing equipment |
| CN115188152A (en) * | 2022-06-28 | 2022-10-14 | 电子科技大学中山学院 | Household security intelligent early warning device, system and method |
| CN115188152B (en) * | 2022-06-28 | 2023-05-16 | 电子科技大学中山学院 | Household security intelligent early warning device, system and method |
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| CN101967743B (en) | 2015-12-02 |
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Effective date of registration: 20160629 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: haier group corporation Patentee before: Qingdao Haier Washing Machine Co., Ltd. |