CN108179586B - Foam control method for washing machine - Google Patents
Foam control method for washing machine Download PDFInfo
- Publication number
- CN108179586B CN108179586B CN201810080250.9A CN201810080250A CN108179586B CN 108179586 B CN108179586 B CN 108179586B CN 201810080250 A CN201810080250 A CN 201810080250A CN 108179586 B CN108179586 B CN 108179586B
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- Prior art keywords
- foam
- washing
- washing machine
- outer barrel
- control method
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- 239000006260 foam Substances 0.000 title claims abstract description 114
- 238000005406 washing Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003599 detergent Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 14
- 208000005156 Dehydration Diseases 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
A foam control method of a washing machine, the washing machine is provided with a shell, an outer barrel arranged in the shell and provided with a door at the front end, and a rotary drum arranged in the outer barrel, a water inlet pipe valve leads washing water to a detergent box, and the detergent box is connected with the outer barrel through a hose, and the foam control method of the washing machine is characterized in that: the hose is of a normally closed structure, and the washing machine sucks out foam through a foam sucking pump arranged on the outer barrel.
Description
The technical field is as follows:
the invention relates to a foam control method for a washing machine, and belongs to the technical field of D06F 33/00.
Background art:
washing machines are largely classified into pulsator type, pulsator type and drum type washing machines. Generally, a washing machine removes stains from laundry by the action of water and detergent.
The pulsator type washing machine performs a washing operation by rotating a pulsator at the center of a washing tub left and right. The agitator type washing machine performs a washing operation using a frictional force between water current and laundry by rotating a rotary blade at the center of a washing tub in the left-right direction. The drum type washing machine performs a washing operation by beating laundry by rotating a drum.
A drum type washing machine generally includes a housing, a tub for containing washing water therein, a drum for containing laundry therein, and a motor and a shaft for rotating the drum on a rear surface of the tub. In addition, there are a control part for controlling the washing process, generally a control panel, and a water inlet and discharge mechanism, etc. The drum type washing machine removes stains contained in laundry using frictional force between wash water stored in a sump and the laundry in a drum and chemical action of detergent contained in the wash water.
The existing roller washing machine has the problems that due to the special structure of the roller washing machine, detergent is fully stirred in the washing process, foam is easily generated due to the sealing of the roller washing machine and the driving of the roller washing machine, the high-foam detergent is particularly obvious when the high-foam detergent is used, and particularly, during dewatering, the foam is more easily generated due to the violent stirring of the roller and the squeezing action on clothes, at the moment, the motor is often blocked and cannot rotate, even the foam overflows from a detergent box in a large quantity, the ground is polluted, the floor is damaged, and the sanitation is also influenced.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the drum washing machine fully stirs the detergent in the washing process due to the special structure of the drum washing machine, and easily generates foam due to the sealing of the drum washing machine and the driving of the drum, the high-foam detergent is particularly obvious when being used, and particularly, the foam is more easily generated due to the violent stirring of the drum and the squeezing action of clothes during dehydration, at the moment, the blockage and the rotation weakness of a motor are often generated, even the foam overflows from a detergent box in a large amount, the ground is polluted, the floor is damaged, and the sanitation is also influenced.
The invention provides a foam control method of a washing machine, which has the following specific technical scheme:
a foam control method of a washing machine, the washing machine is provided with a shell, an outer barrel arranged in the shell and provided with a door at the front end, and a rotary drum arranged in the outer barrel, a water inlet pipe valve leads washing water to a detergent box, and the detergent box is connected with the outer barrel through a hose, and the foam control method of the washing machine is characterized in that: the hose is of a normally closed structure, and the washing machine sucks out foam through a foam sucking pump arranged on the outer barrel.
Preferably, the normally closed structure is an elastic rubber tube arranged in the hose, one end of the elastic rubber tube is connected with the water inlet end of the hose, the other end of the elastic rubber tube is an elastic closed structure, when washing water enters, the elastic closed structure is flushed away from the water inlet, and foam cannot reversely overflow into the hose and enter the detergent box.
Preferably, the foam suction pump is positioned at the top end of the outer barrel, a small hole is formed in the top end of the outer barrel, an inlet of the foam suction pump is hermetically connected with the small hole, an outlet of the foam suction pump is connected with a foam discharge pipe, and the foam discharge pipe extends into a drainage pipe of the washing machine.
Preferably, the drain pipe of the washing machine is of an upper drainage structure and extends out of the washing machine box body from the top penetrating position inside the washing machine box body, and the foam discharge pipe extends into the drain pipe from the highest point of the drain pipe and extends 10 centimeters towards the drainage direction to prevent washing water from flowing back to the foam suction pump.
Preferably, the washing machine has a bubble sensor for detecting the bubbles inside the top of the outer tub, the bubble sensor being a humidity sensor having two spaced apart electrodes.
Preferably, the washing machine intermittently detects the working current of the washing motor after water is fed for washing, stops the operation of the washing motor when the working current is detected to be continuously increased to a set value and maintained for a set time compared with the normal current, and starts the foam sensor, and judges that foam is generated to cause the load of the washing motor to be overlarge to cause stalling if the detection data of the foam sensor is not obviously reduced within 10 seconds, and then starts the foam suction pump until the foam amount is continuously detected to be reduced within a preset time, stops the foam suction pump, and reenters the normal washing program.
Preferably, after the washing machine is washed by water, in a washing stage, the working current of the washing motor is intermittently detected, when the working current is detected to be continuously increased to a set value compared with the normal current and is maintained for a set time, the phenomenon that the washing motor is overloaded to cause rotation blockage is judged to be caused due to foam generation, the foam suction pump is started at the moment until the foam quantity is continuously detected to be reduced within the preset time, the foam suction pump is stopped, and the washing program is continued;
in the dewatering stage, intermittently detecting the working current of the washing motor, stopping the operation of the washing motor and starting the foam sensor when detecting that the working current is continuously increased to a set value and is maintained for a set time compared with the normal current, judging that the foam is generated to cause the load of the washing motor to generate stalling if the detection data of the foam sensor is not obviously reduced within 10 seconds, starting the foam suction pump at the moment until the foam amount is continuously detected to be reduced within preset time, stopping the foam suction pump, and entering a normal dewatering program again.
Preferably, the foam suction pump is located at the top end of the outer barrel, a small hole is formed in the top end of the outer barrel, a connecting sealing gasket is arranged at an inlet of the foam suction pump, the connecting sealing gasket is provided with a circle of slits for clamping edges of the small hole, after the connecting sealing gasket is plugged into the small hole, the edges of the small hole are bitten by the slits to realize sealing connection, a foam sensor is arranged at a part of the connecting sealing gasket, which extends into the outer barrel, and the foam sensor is provided with two electrodes arranged at two ends of the part of the connecting sealing gasket, which extends into the outer barrel, and the electrodes detect humidity by detecting voltage between the electrodes, so that generation of foam is judged.
The detection method of the washing machine foam control method is that in the washing stage, the electrode rotation blockage rarely occurs, if the electrode rotation blockage occurs, the generation of foam can be generally judged, and in the dehydration stage, factors influencing the electrode rotation blockage may also have clothes distribution unbalance and the like, so that the electrode needs to be stopped and a foam sensor needs to be intervened. The foam sensor affects the precision due to the contamination of the washing water in the washing process, so the foam sensor intervenes after a few seconds after the motor is stopped, the washing water flows away or drips at the moment, and the existence of the foam can be detected more truly.
The invention has the beneficial effects that: the foam can be sensed in time, measures are taken to discharge the foam, the problem that the foam of the existing washing machine easily overflows and blocks the running of the motor is solved, the damage to the motor is avoided, and the structure at the detergent box can prevent the foam from overflowing from the detergent box to pollute the floor and the like.
Description of the drawings:
FIG. 1 is a schematic illustration of a hose and normally closed configuration of the present application;
fig. 2 is an overall schematic view of the washing machine of the present application.
Wherein the reference number is 1-hose, 2-normally closed structure, 3-outer barrel. 4-foam pump, 5-foam discharge pipe, 6-washing machine drain pipe.
The specific implementation mode is as follows:
the invention will now be further described.
A foam control method for a washing machine, the washing machine having a housing, an outer tub 3 with a door opened at the front end thereof disposed in the housing, and a rotatable drum disposed in the outer tub 3, a water inlet pipe valve leading washing water to a detergent box connected to the outer tub 3 through a hose 1, characterized in that: the hose 1 is provided with a normally closed structure 2, and the outer barrel 3 is also provided with a foam suction pump 4 for discharging foam.
Preferably, the normally closed structure 2 is an elastic rubber tube arranged in the hose 1, one end of the elastic rubber tube is connected with the water inlet end of the hose, the other end of the elastic rubber tube is an elastic closed structure, when washing water enters, the elastic closed structure is flushed away from the water inlet, and foam cannot reversely overflow into the hose 1 to enter the detergent box.
Preferably, the foam suction pump 4 is located at the top end of the outer barrel 3, a small hole is formed in the top end of the outer barrel 3, an inlet of the foam suction pump 4 is hermetically connected with the small hole, an outlet of the foam suction pump 4 is connected with a foam discharge pipe 5, and the foam discharge pipe 5 extends into a drainage pipe 6 of the washing machine.
Preferably, the drain pipe of the washing machine is of an upper drainage structure and extends out of the washing machine box body from the top penetrating position inside the washing machine box body, and the foam discharge pipe extends into the drain pipe from the highest point of the drain pipe and extends 10 centimeters towards the drainage direction to prevent washing water from flowing back to the foam suction pump.
Preferably, the washing machine has a bubble sensor for detecting the bubbles inside of the top of the outer tub, the bubble sensor being a humidity sensor having two spaced electrodes.
Preferably, the control method of the washing machine includes that after the washing machine with the anti-foam overflow function is washed by water, the working current of the washing motor is intermittently detected, when the working current is detected to be continuously increased to a set value compared with the normal current and maintained for a set time, the washing motor is stopped to operate, the foam sensor is started, if the detection data of the foam sensor is not obviously reduced within 10 seconds, the foam is judged to be generated, so that the load of the washing motor is overlarge to cause rotation blockage, the foam suction pump is started at the moment, and the foam suction pump is stopped until the reduction of the foam amount is continuously detected within a preset time, and then the normal washing program is restarted.
Preferably, the control method of the washing machine is that after the washing machine with the anti-foam overflow function is washed by water, the working current of the washing motor is intermittently detected in a washing stage, when the working current is continuously increased to a set value compared with the normal current and is maintained for a set time, the foam is judged to be generated so that the washing motor is overloaded and locked, at the moment, the foam suction pump is started until the reduction of the foam amount is continuously detected within a preset time, the foam suction pump is stopped, and the washing program is continued;
in the dewatering stage, intermittently detecting the working current of the washing motor, stopping the operation of the washing motor and starting the foam sensor when detecting that the working current is continuously increased to a set value and is maintained for a set time compared with the normal current, judging that the foam is generated to cause the load of the washing motor to generate stalling if the detection data of the foam sensor is not obviously reduced within 10 seconds, starting the foam suction pump at the moment until the foam amount is continuously detected to be reduced within preset time, stopping the foam suction pump, and entering a normal dewatering program again.
Preferably, the foam suction pump is located at the top end of the outer barrel, a small hole is formed in the top end of the outer barrel, a connecting sealing gasket is arranged at an inlet of the foam suction pump, the connecting sealing gasket is provided with a circle of slits for clamping edges of the small hole, after the connecting sealing gasket is plugged into the small hole, the edges of the small hole are bitten by the slits to realize sealing connection, a foam sensor is arranged at a part of the connecting sealing gasket, which extends into the outer barrel, and the foam sensor is provided with two electrodes arranged at two ends of the part of the connecting sealing gasket, which extends into the outer barrel, and the electrodes detect humidity by detecting voltage between the electrodes, so that generation of foam is judged.
The detection method of the washing machine foam control method is that in the washing stage, the electrode is rarely blocked, if the electrode is blocked, the phenomenon can be generally judged to be foam generation, and in the dehydration stage, factors influencing the electrode blocking may also have clothes distribution unbalance, and the like, so that the electrode needs to be stopped and a foam sensor needs to be intervened. The foam sensor affects the precision due to the contamination of the washing water in the washing process, so the foam sensor intervenes after a few seconds after the motor is stopped, the washing water flows away or drips at the moment, and the existence of the foam can be detected more truly.
The invention has the beneficial effects that: the foam can be sensed in time, measures are taken to discharge the foam, the problem that the foam of the existing washing machine easily overflows and blocks the running of the motor is solved, the damage to the motor is avoided, and the structure at the detergent box can prevent the foam from overflowing from the detergent box to pollute the floor and the like.
Claims (1)
1. A foam control method of a washing machine, the washing machine is provided with a shell, an outer barrel arranged in the shell and provided with a door at the front end, and a rotary drum arranged in the outer barrel, a water inlet pipe valve leads washing water to a detergent box, and the detergent box is connected with the outer barrel through a hose, and the foam control method of the washing machine is characterized in that: the hose is provided with a normally closed structure, and the washing machine sucks out foam through a foam sucking pump arranged on the outer barrel;
the washing machine is after the washing of intaking, the operating current of intermittent type nature detection washing motor, when detecting that operating current continuously rises to the setting value and maintains the settlement time than normal electric current, stops washing motor operation, and opens the foam sensor, if foam sensor detection data does not have obvious reduction within 10 seconds, then judge that the foam produces and make washing motor load too big production stall, start this moment inhale the foam pump, until continuously detecting the foam volume in the scheduled time and reducing, stop inhale the foam pump, reentrant normal washing procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080250.9A CN108179586B (en) | 2018-01-27 | 2018-01-27 | Foam control method for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080250.9A CN108179586B (en) | 2018-01-27 | 2018-01-27 | Foam control method for washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108179586A CN108179586A (en) | 2018-06-19 |
| CN108179586B true CN108179586B (en) | 2019-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810080250.9A Active CN108179586B (en) | 2018-01-27 | 2018-01-27 | Foam control method for washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108179586B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946540B (en) * | 2018-09-27 | 2023-05-26 | 合肥海尔洗衣机有限公司 | Shoe washer and control method thereof |
| CN112663296B (en) * | 2019-09-27 | 2023-12-15 | 佛山海尔滚筒洗衣机有限公司 | Foam discharging method of drum washing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407272B1 (en) * | 1989-07-04 | 1995-03-29 | Esswein S.A. | Washing machine with improved rinsing and a low water consumption |
| CN1858329A (en) * | 2005-05-04 | 2006-11-08 | 三星电子株式会社 | Washing machine and suds removal method thereof |
| CN101363181A (en) * | 2007-11-29 | 2009-02-11 | 南京乐金熊猫电器有限公司 | Foam detecting method of washing machine |
| CN101851845A (en) * | 2009-03-31 | 2010-10-06 | 海尔集团公司 | Device for preventing bubbles from overflowing and rolling washing machine with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101034198B1 (en) * | 2005-02-02 | 2011-05-12 | 삼성전자주식회사 | Washing machine and method to sense suds thereof |
-
2018
- 2018-01-27 CN CN201810080250.9A patent/CN108179586B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407272B1 (en) * | 1989-07-04 | 1995-03-29 | Esswein S.A. | Washing machine with improved rinsing and a low water consumption |
| CN1858329A (en) * | 2005-05-04 | 2006-11-08 | 三星电子株式会社 | Washing machine and suds removal method thereof |
| CN101363181A (en) * | 2007-11-29 | 2009-02-11 | 南京乐金熊猫电器有限公司 | Foam detecting method of washing machine |
| CN101851845A (en) * | 2009-03-31 | 2010-10-06 | 海尔集团公司 | Device for preventing bubbles from overflowing and rolling washing machine with same |
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| Publication number | Publication date |
|---|---|
| CN108179586A (en) | 2018-06-19 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Teng Feilong Inventor before: Zhang Taiping |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191203 Address after: 518000 West Block 9E, Aidi Building, No. 5003 Binhe Street, Nanyuan Street, Futian District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN JING FANG YING TECHNOLOGY Co.,Ltd. Address before: 246702 Zongyang County in Anhui province Tongling City Yingbin Avenue North 14 Dragon Lake Bridge Liancheng Shengshi Building Room 502 Applicant before: Zhang Taiping |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201223 Address after: 241000 room 2001, building a, Tianjing Business Incubation Park, Nanling Economic Development Zone, Wuhu City, Anhui Province Patentee after: Anhui Linjiu sporting goods manufacturing Co.,Ltd. Address before: 518000 9E, West edge of Ai Di building, 5003 riverside street, Futian District, Shenzhen, Guangdong Patentee before: SHENZHEN JING FANG YING TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240611 Address after: 241300 room 2018, A building, Tianjing Business Incubation Park, Nanling Economic Development Zone, Wuhu, Anhui Patentee after: Nanling Wangke Intellectual Property Management Co.,Ltd. Country or region after: China Address before: 241000 room 2001, building a, Tianjing Business Incubation Park, Nanling Economic Development Zone, Wuhu City, Anhui Province Patentee before: Anhui Linjiu sporting goods manufacturing Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |