CN107447438B - Self-cleaning washing machine and control method thereof - Google Patents

Self-cleaning washing machine and control method thereof Download PDF

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Publication number
CN107447438B
CN107447438B CN201710891008.5A CN201710891008A CN107447438B CN 107447438 B CN107447438 B CN 107447438B CN 201710891008 A CN201710891008 A CN 201710891008A CN 107447438 B CN107447438 B CN 107447438B
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China
Prior art keywords
barrel
waterfall
washing machine
waterfall spraying
spraying
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CN201710891008.5A
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Chinese (zh)
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CN107447438A (en
Inventor
卢瑶
张弦
周国贤
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Nanjing Skyworth Electrical Appliance Research Institute Co ltd
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Nanjing Skyworth Electrical Appliance Research Institute Co ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005Methods for washing, rinsing or spin-drying
    • D06F35/008Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • D06F17/10Impellers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/088Liquid supply arrangements

Abstract

The invention discloses a self-cleaning washing machine and a control method thereof, and relates to the technical field of washing machines. The self-cleaning washing machine comprises an outer barrel, an inner barrel and an outer barrel ring, wherein the inner barrel is positioned on the inner side of the outer barrel, the outer barrel ring is arranged on the outer barrel, a waterfall spraying opening is formed in the outer barrel ring, the waterfall spraying opening comprises a first waterfall spraying opening and a second waterfall spraying opening, the first waterfall spraying opening corresponds to the opening of the inner barrel, and the second waterfall spraying opening corresponds to a gap between the inner barrel and the outer barrel. The invention provides a self-cleaning washing machine, which solves the problems that dirt is easy to remain on the side walls of an inner barrel and an outer barrel of the existing washing machine and clothes washing cleanliness is poor by utilizing a mode that a waterfall spraying opening is arranged on an outer barrel ring and corresponds to the inner barrel and the space between the inner barrel and the outer barrel respectively.

Description

Self-cleaning washing machine and control method thereof
Technical Field
The invention relates to the technical field of washing machines, in particular to a self-cleaning washing machine and a control method thereof.
Background
A pulsator type washing machine has an outer tub storing washing water, an inner tub rotatably installed in the outer tub for receiving laundry, and a pulsator installed at the bottom of the inner tub for generating a vortex. When washing, the impeller rotates to generate vortex in the inner barrel, clothes are rolled by water flow generated by the stirring action of the impeller of the washing machine, the rolled water flow promotes the washed objects to roll and rub against each other, and meanwhile, the rolled washed objects generate certain friction with the inner barrel wall of the washing machine to be cleaned.
At present, the washing machine gradually develops towards a large capacity direction, the washing performance is greatly reduced, multiple loads are carried, the water level is low, the clothes rolling effect is poor, the clothes cannot be fully washed, the time of a common washing program is about 60 minutes, the water consumption for rinsing for 2 times is large, and the waste of water resources is self-evident. In addition, after the washing machine is used for a long time, a large amount of residual dirt is adhered to the inner and outer barrel walls, secondary pollution is easily caused to clothes when the clothes are washed again, and a key problem is solved for 80 and 90 new generation consumer groups how to achieve healthy energy-saving sterile washing.
Therefore, there is a need for a self-cleaning washing machine to solve the above problems.
Disclosure of Invention
The invention aims to provide a self-cleaning washing machine, which aims to solve the problems that dirt is easy to remain on the side walls of an inner barrel and an outer barrel of the existing washing machine and the cleanliness of clothes washing is poor.
Another object of the present invention is to provide a control method for a self-cleaning washing machine, so as to solve the problems that dirt is easily remained on the side walls of the inner and outer tubs of the existing washing machine and the cleanliness of the washed clothes is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning washing machine comprises an outer barrel, an inner barrel and an outer barrel ring, wherein the inner barrel is positioned on the inner side of the outer barrel, the outer barrel ring is arranged on the outer barrel, a waterfall spraying opening is formed in the outer barrel ring and comprises a first waterfall spraying opening and a second waterfall spraying opening, the first waterfall spraying opening corresponds to the opening of the inner barrel, and the second waterfall spraying opening corresponds to a gap between the inner barrel and the outer barrel.
Preferably, the method further comprises the following steps:
the outer barrel is positioned at the inner side of the machine body;
a circulating water pump located at the bottom of the outer barrel;
the impeller is positioned at the bottom of the inner barrel and rotates relative to the inner barrel.
Preferably, the circulating water pump is provided with a water pump outlet, and the water pump outlet is connected with the waterfall spraying opening through a water pipe.
Preferably, the impeller is made of stainless steel.
Preferably, the outer barrel ring is clamped with the outer barrel.
A control method of a self-cleaning washing machine utilizes a circulating water pump to control the spraying waterfall of the washing machine in the washing, rinsing and dewatering stages.
Preferably, the water is sprayed by a circulating water pump in the washing and rinsing stages, and the spraying time is T2.
Preferably, at the washing stage, before the waterfall is sprayed, water leakage detection is performed, and the water leakage detection time is T1.
Preferably, in the dehydration stage, judging whether the current water level is greater than a first preset water level, if so, performing waterfall spraying, wherein the waterfall spraying time is T3; if the ratio is less than the above range, the dehydration is directly carried out.
Preferably, after the waterfall spraying step in the dehydration stage, judging whether the current water level is less than a second preset water level, and if so, continuing to spray the waterfall; if the water content is less than the preset value, stopping spraying waterfall and directly dehydrating.
The invention has the beneficial effects that:
the invention provides a self-cleaning washing machine, which adopts a setting mode that an outer barrel ring is provided with a waterfall spraying opening, a first waterfall spraying opening corresponds to the inner side of an inner barrel, and a second waterfall spraying opening corresponds to a gap between the outer barrel and the inner barrel, so that water from the second waterfall spraying opening can utilize centrifugal force to spray and wash dirt between the outer wall of the inner barrel and the inner wall of the outer barrel in an all-around manner, the water from the first waterfall spraying opening can fully soak clothes in the inner barrel, the clothes overturning performance is improved, the cleaning ratio is improved, and the problems that the side walls of the inner barrel and the outer barrel of the existing washing machine are easy to remain dirt and the clothes washing cleanliness is poor are; the impeller is made of stainless steel material which has high hardness, is smooth and wear-resistant, is not easy to store dirt and is easy to clean, and meanwhile, the stainless steel has high surface finish, so that the abrasion of clothes in the washing process can be reduced; the outer barrel ring is clamped with the outer barrel, so that the outer barrel ring can be conveniently disassembled and assembled; the circulating water pump is adopted, so that the washing machine can be ensured to spray waterfalls in the washing, rinsing and dewatering stages.
Drawings
Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings, in which
FIG. 1 is a schematic structural view of a self-cleaning washing machine according to an embodiment of the present invention;
FIG. 2 is an oblique view of a self-cleaning washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the outer barrel ring of FIG. 1;
fig. 4 is a cross-sectional view of the waterfall opening of fig. 3;
fig. 5 is a flowchart illustrating a program control of the self-cleaning washing machine according to an embodiment of the present invention.
In the figure:
1. a body; 2. an outer tub; 3. an inner barrel;
4. an outer barrel ring; 41. spraying a waterfall opening; 411. a first waterfall spraying opening; 412. a second waterfall spraying opening;
5. a water circulating pump; 51. an outlet of the water pump; 6. an impeller.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 4, the present embodiment provides a self-cleaning washing machine, which includes an outer tub 2, an inner tub 3 and an outer tub ring 4, wherein the inner tub 3 is located inside the outer tub 2, the outer tub ring 4 is disposed on the outer tub 2, the outer tub ring 4 is provided with a waterfall opening 41, the waterfall opening 41 includes a first waterfall opening 411 and a second waterfall opening 412, the first waterfall opening 411 corresponds to a mouth of the inner tub 3, and the second waterfall opening 412 corresponds to a gap between the inner tub 3 and the outer tub 2. The invention provides a self-cleaning washing machine, which adopts a setting mode that the outer barrel ring 4 is provided with the waterfall spraying port 41, the first waterfall spraying port 411 corresponds to the inner side of the inner barrel 3, and the second waterfall spraying port 412 corresponds to the gap between the outer barrel 2 and the inner barrel 3, so that the water from the first waterfall spraying port 411 can utilize the centrifugal force to spray and wash dirt between the outer wall of the inner barrel 3 and the inner wall of the outer barrel 2 in an all-around way, the water from the second waterfall spraying port 412 can fully soak the clothes in the inner barrel 3, the clothes turning performance is improved, the cleaning ratio is improved, and the problems that the dirt is easily remained on the side walls of the inner barrel and the outer barrel of the existing washing machine and the cleanliness of the.
Specifically, the self-cleaning washing machine further comprises a machine body 1, a circulating water pump 5 and a wave wheel 6, wherein the outer barrel 2 is positioned on the inner side of the machine body 1, the circulating water pump 5 is positioned at the bottom of the outer barrel 2, and the wave wheel 6 is positioned at the bottom of the inner barrel and rotates relative to the inner barrel; the circulating water pump 5 is provided with a water pump outlet 51, and the water pump outlet 51 is connected with the waterfall spraying port 41 through a water pipe; the impeller 6 is made of stainless steel material. When in use, the water at the bottom of the washing machine is continuously introduced into the waterfall spraying opening 41 of the outer barrel ring 4 by controlling the circulating water pump 5 through a computer board program, and is divided into two water flows which are sprayed out through the waterfall spraying opening 41. On one hand, the water is sprayed to the clothes in the inner barrel 3 from the first waterfall spraying opening 411 of the outer barrel ring 4 of the washing barrel, so that the clothes are continuously and fully contacted with the water; on the other hand, the second spraying openings 412 of the outer barrel ring 4 of the washing barrel are sprayed into the gap between the inner barrel 3 and the outer barrel 2 to wash away dirt bacteria adhered to the outer side of the inner barrel 3 and the inner side of the outer barrel 2. And finally, the clothes in the inner barrel are uniformly washed through the positive and negative rotation circulation of the inner barrel, so that the effect of cleaning the inner barrel and the outer barrel in an all-round way is achieved. The impeller 6 is made of stainless steel, the stainless steel is high in hardness, smooth, wear-resistant, not easy to store dirt and easy to clean, and meanwhile, the stainless steel is high in surface finish, so that abrasion of clothes in the washing process can be reduced. In addition, the stainless steel material has good corrosion resistance, and can resist the corrosion damage of chemical materials such as washing powder, detergent, disinfectant and the like, and influence the service life of the impeller 6. In addition, outer barrel circle 4 and outer barrel 3 joint, this kind of connected mode has avoided threaded connection's complicacy and shortcoming with high costs, and the dismouting is also convenient moreover.
Specifically, the water flow is provided with flowing power through the rotation of the inner barrel 3, in the rotating process of the inner barrel 3, the centrifugal acting force generated by the inner barrel 3 drives the liquid in the outer barrel 2 to flow, in addition, the washing water flows out from the water pump outlet 51 of the circulating water pump 5, the washing water is changed into active circulating water flow, the active circulating water flow reaches the waterfall spraying port 41 through the water pipe, the spraying water flow is further sprayed towards the outer side wall direction of the inner barrel 3, and the sprayed water flow clears away stains on the outer side wall of the inner barrel 3 and the inner side wall of the outer barrel 2 through the flow. The water flow of the inner and outer barrels is continuously circulated in the mode, so that the aim of cleaning is fulfilled, and the effects of environmental protection and energy saving are achieved.
As shown in fig. 5, the present embodiment further provides a control method of a self-cleaning washing machine, in which the washing machine continuously sprays the liquid at the bottom of the tub to the first waterfall outlet 411 above the inner tub 3 and the second waterfall outlet 412 between the inner tub 3 and the outer tub 2 by the external force of the circulating water pump 5 in three different stages of washing, rinsing and dewatering, so as to solve the problem that the common waterfall is a one-way water outlet manner with one inlet and one outlet. On one hand, the washing powder (liquid) in the inner barrel and the washing powder (liquid) in the outer barrel are fully mixed, the utilization rate, the washing uniformity, the washing degree and the rinsing performance of the washing powder (liquid) are improved, the clothes winding is reduced, and the wear rate is reduced; on the other hand, the dirt and the burrs left on the side wall of the inner and outer barrels are flushed to the bottom of the outer barrel, and finally the dirt and the burrs can be discharged through the water outlet, so that the inner and outer barrels are cleaned.
Specifically, the self-cleaning washing machine control method comprises the following steps:
firstly, the washing machine has three modes, namely washing, rinsing and dewatering, a user can select working programs of the washing machine in different modes according to needs, and the working programs include waterfall spraying programs no matter which program is the working program. In addition, the normal washing procedure is washing, rinsing and dewatering, so that no matter the user selects any one of the three washing stages, the operation of the waterfall spraying procedure can be ensured, and the cleanness of the clothes of the user and the cleanness of the inner and outer barrel walls of the washing machine can be ensured.
A washing stage: firstly, a washing water inlet step is carried out, after washing water inlet is finished, the washing machine carries out water leakage detection, the time of the water leakage detection is T1, waterfall spraying is carried out after the water leakage detection step, the time of the waterfall spraying is T2, and after the waterfall spraying step is finished, washing is continued until washing is finished.
And (3) rinsing: and after the washing stage is finished, a rinsing water inlet step is carried out, after rinsing water inlet is finished, the washing machine carries out waterfall spraying, the waterfall spraying time is T2, and after the waterfall spraying step is finished, rinsing is continued until rinsing is finished.
And (3) a dehydration stage: the washing machine judges whether the current water level is greater than a first preset water level (namely Reset1), if so, the washing machine directly carries out dehydration; and if the flow rate is larger than the preset flow rate, performing waterfall spraying, wherein the waterfall spraying time is T3. At the moment, the washing machine judges whether the current water level is less than a second preset water level again, and if so, the waterfall spraying is continued; if the water content is less than the preset value, stopping spraying waterfall and directly dehydrating.
In the above control method, the values of T1, T2, T3 and Reset1, Reset2 are all preset by the user, where Reset1 is an initial default water level (Reset water level) set by the program, and Reset2 is the lowest water level (1 st gear) in the range that the user can adjust autonomously. The circulating water pump 5 can monitor the liquid level in the barrel in real time in the working process, and the working time is different according to different water levels. Preferably, T1 and T2 are 1min, and the water level of Reset1 is higher than that of Reset2, so that the program can be run; the waterfall spraying time T3 is adjusted in real time along with the change of the water level in the barrel in the water discharging process. As shown in the following table:
water level gear Running time of pump (second)
1 15
2 20
3 25
4 30
5 35
6 40
Therefore, the working time of the circulating water pump 5 in one washing period can be shortened, the power consumption of the whole machine in operation is saved, and the effects of energy conservation and environmental protection are realized.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (6)

1. A control method of a self-cleaning washing machine, characterized in that the self-cleaning washing machine comprises: the washing machine comprises an outer barrel (2), an inner barrel (3) and an outer barrel ring (4), wherein the inner barrel (3) is positioned on the inner side of the outer barrel (2), the outer barrel ring (4) is arranged on the outer barrel (2), the outer barrel ring (4) is provided with a waterfall spraying opening (41), the waterfall spraying opening (41) comprises a first waterfall spraying opening (411) and a second waterfall spraying opening (412), the first waterfall spraying opening (411) corresponds to the opening of the inner barrel (3), and the second waterfall spraying opening (412) corresponds to a gap between the inner barrel (3) and the outer barrel (2);
further comprising:
the machine body (1), the outer barrel (2) is positioned at the inner side of the machine body (1);
a circulating water pump (5) located at the bottom of the outer tub (2);
a pulsator (6) which is positioned at the bottom of the inner tub (3) and rotates relative to the inner tub (3);
the control method of the self-cleaning washing machine comprises the steps that the circulating water pump (5) is used for controlling the waterfall spraying of the washing machine in the washing, rinsing and dewatering stages, whether the current water level is larger than a first preset water level or not is judged in the dewatering stage, if so, the waterfall spraying is carried out, the waterfall spraying time is T3, and the waterfall spraying time T3 is adjusted in real time along with the height change of the water level in a barrel in the drainage process; if the ratio is less than the preset value, directly dehydrating; after the waterfall spraying step in the dehydration stage, judging whether the current water level is smaller than a second preset water level, and if so, continuing to spray the waterfall; if the water content is less than the preset value, stopping spraying waterfall and directly dehydrating.
2. The control method according to claim 1, characterized in that the circulating water pump (5) is provided with a water pump outlet (51), and the water pump outlet (51) is connected with the waterfall opening (41) through a water pipe.
3. The control method according to claim 2, wherein the pulsator (6) is made of a stainless steel material.
4. The control method according to any one of claims 1 to 3, wherein the outer tub rim (4) is clamped with the outer tub (2).
5. Control method according to claim 1, characterized in that during the washing and rinsing phases, the circulating water pump (5) is used for waterfall for a time T2.
6. The control method of claim 1, wherein during the washing stage, before the waterfall spraying, water leakage detection is performed for a time period T1.
CN201710891008.5A 2017-09-27 2017-09-27 Self-cleaning washing machine and control method thereof Active CN107447438B (en)

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Application Number Priority Date Filing Date Title
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CN107447438B true CN107447438B (en) 2020-04-07

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108755006A (en) * 2018-06-01 2018-11-06 宁波思朗智能科技发展有限公司 A kind of double washing control systems of washing machine

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CN1896362A (en) * 2005-07-15 2007-01-17 乐金电子(天津)电器有限公司 Leakage inspector and sensor assembling structure of washer
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CN101358424A (en) * 2007-07-30 2009-02-04 海尔集团公司 Outer bucket cover with spray function and washing machine using thereof
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CN106676820A (en) * 2015-11-11 2017-05-17 青岛海尔洗衣机有限公司 Water drainage and dehydration control method of self-cleaning washing machine

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