WO2016192473A1 - 一种絮凝洗衣机的控制方法及洗衣机 - Google Patents

一种絮凝洗衣机的控制方法及洗衣机 Download PDF

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Publication number
WO2016192473A1
WO2016192473A1 PCT/CN2016/079407 CN2016079407W WO2016192473A1 WO 2016192473 A1 WO2016192473 A1 WO 2016192473A1 CN 2016079407 W CN2016079407 W CN 2016079407W WO 2016192473 A1 WO2016192473 A1 WO 2016192473A1
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Prior art keywords
flocculation
amount
water
washing
washing machine
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Ceased
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PCT/CN2016/079407
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English (en)
French (fr)
Inventor
许升
邓金柱
李冬
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Qingdao Haier Washing Machine Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Application filed by Qingdao Haier Washing Machine Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to EP16802396.8A priority Critical patent/EP3305960B1/en
Priority to US15/577,547 priority patent/US20180171529A1/en
Priority to KR1020177036537A priority patent/KR102085025B1/ko
Priority to JP2017561688A priority patent/JP6678337B2/ja
Publication of WO2016192473A1 publication Critical patent/WO2016192473A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/46—Control of the energy or water consumption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5209—Regulation methods for flocculation or precipitation
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D06F39/006—
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10—Filtering arrangements
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/20—Arrangements for water recovery
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/12—Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D06F2103/22—Content of detergent or additives
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42—Detergent or additive supply
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters

Definitions

  • the invention relates to a washing machine in the field of washing machine, which adopts a flocculation method for self-cleaning treatment of water, in particular to a control method of a flocculation washing machine, and a washing machine adopting the above control method.
  • washing machines have become one of the main household appliances in daily life.
  • the washing process of washing machines mainly includes several stages of washing, rinsing and drying.
  • washing machine water and detergent wash clothes.
  • Rinsing clothes In order to rinse off the stains and residual detergent after entering the rinsing stage, it is necessary to take more water or perform more rinsing times to rinse the clothes, which will inevitably consume a lot of water resources, even if it is a water-saving drum washing machine, Rinsing clothes also needs to be rinsed at least twice, and this process consumes at least 30L of tap water. Sometimes the clothes have less stains or less detergent, and may be rinsed twice.
  • a washing machine having a circulating water treatment function and a control method thereof, the washing machine comprising an outer tub, a laundry structure disposed in the outer tub, and being disposed outside a circulating water treatment device below the barrel, the circulating water treatment device comprising a flocculation treatment unit and a filtration unit, the flocculation treatment unit comprising a flocculation bucket communicating with the outer tub and a flocculant dispenser for placing the flocculant into the flocculation bucket,
  • the barrel is drained to the flocculation barrel for flocculation treatment;
  • the filter unit comprises a filter container and a filter network disposed in the filter container, the filter container is respectively connected with the flocculation barrel and the outer barrel, and the flocculated water in the flocculation barrel is filtered and discharged into the outer barrel.
  • the circulating flocculation treatment water is applied to the end of washing, and the water is discharged into a circulating water treatment device for flocculation processing unit and filtration unit cleaning, and finally discharged.
  • the flocculation washing machine described in the patent application has the characteristics of saving water resources, reducing water pollution and protecting the environment.
  • the above-mentioned washing machine with circulating water treatment function needs to have the water treatment process of the ordinary washing machine as follows: the dirty water after washing enters the flocculation bucket from the washing tub; after the water reaches the set value, the flocculating agent is put, so that the flocculating agent and the detergent and the stain are discharged. Reacting to form floes; filtering the floes and/or stratifying the flocculation water to The clean water is separated from the flocculated water; the treated clean water is returned to the outer tub to complete a flocculation cycle.
  • the deviation of the flocculant dosage in the flocculation cycle is large, which may result in poor flocculation effect, and may even cause the flocculation treatment to fail (when the amount of flocculant is less, the floc particles are small and cannot achieve effective stratification; and the flocculant When the amount of the mixture is excessive, the density of the floc is too large to achieve effective stratification, so we must accurately control the amount of flocculant in each flocculation cycle to avoid the above.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a control method for a flocculation washing machine to achieve the purpose of precise control of the flocculation process.
  • the amount of water treated in the flocculation cycle is the amount of water in the flocculation tank during the flocculation treatment.
  • the amount of water V 1 treated in each flocculation cycle is the maximum capacity of the flocculation drum; when the amount of washing water V is less than the set value, the amount of water V 1 treated in each flocculation cycle is flocculated. the maximum capacity of 4/5 to 1/2 of the tub; preferably, V 1 of each barrel flocculated 4/5 maximum capacity.
  • the residual water amount V 2 V 2 after the treatment is a set value smaller than 1/2 of the maximum capacity of the flocculation bucket; preferably V 2 is a set value of 0.5 to 3 L.
  • the number N of flocculation cycles is n corresponding to the determination value.
  • the ⁇ is a set value corresponding to the characteristics of the detergent and the flocculant.
  • washing machine after the washing procedure, washing with water, the rinsing program starts executing, while the washing water is N times flocculation cycles, each time cycle flocculation flocculant M n serve to flocculate the tub.
  • step S4 The cumulative value of the number of flocculation cycles is increased by 1, and it is judged whether the accumulated value reaches N; if not, step S3) is continued, and the accumulated value is taken as n; if yes, step S6) is performed;
  • Another object of the present invention is to provide a washing machine using the above control method, characterized in that the water inlet structure of the washing machine is provided with a flow sensor and/or a liquid level sensor is provided in the outer tub to wash the water amount V. The detection is performed; a flow sensor is provided on the automatic detergent delivery device to detect the detergent amount m.
  • a flow sensor is arranged on the pipeline connecting the liquid level sensor and/or the flocculation bucket to the outer tub in the flocculation bucket to detect the amount of water in the flocculation bucket; the flocculant automatic dispensing device is provided with a flow sensor, The flocculant dosage is tested.
  • the invention has the following beneficial effects:
  • the corresponding flocculation treatment process can be matched by different washing procedures to achieve precise control of the flocculant dosage and avoid the occurrence of flocculation delamination; meanwhile, the number of flocculation cycles is accurately judged. To avoid the incomplete treatment of the detergent, or the excessive number of flocculation cycles to waste power;
  • the number of flocculation cycles N and the flocculant dosage M n corresponding to each flocculation cycle can be accurately determined by the detergent concentration in the washing process, thereby realizing the precision control of the flocculation process of the washing machine;
  • the method of the invention is simple, the effect is remarkable, and it is suitable for popularization and use.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention
  • FIG. 2 and FIG. 3 are flowcharts showing a method of controlling a washing machine in an embodiment of the present invention
  • Figure 4 is a flow chart for determining the number N of flocculation cycles in the embodiment of the present invention.
  • a washing machine has an existing washing machine structure, and is further provided with a circulating water treatment device.
  • the washing machine structure includes an outer tub, an inner tub and a door body disposed in the outer tub,
  • the control panel, the water inlet system and the washing motor, the bottom and the upper part of the outer tub are respectively connected to the outer casing frame through a damper and a suspension spring, and the water inlet system comprises an inlet structure and an automatic detergent dispensing device.
  • the outer tub is a receiving structure for accommodating washing water
  • the inner tub provided in the outer tub is a laundry structure.
  • the outer tub is in communication with the inlet structure.
  • the water inlet structure of the washing machine is provided with a flow sensor and/or a liquid level sensor is provided in the outer tub to detect the washing water amount V; the automatic detergent dispensing device is provided with a flow sensor for washing The amount of detergent applied is tested.
  • the circulating water treatment device comprises at least a flocculation processing unit; the flocculation processing unit comprises a flocculation barrel connected to the outer tub and a flocculant dispenser for discharging the flocculating agent into the flocculation barrel, and the outer barrel is drained to the flocculation barrel. Internal flocculation treatment.
  • a flotation tank is provided with a liquid level sensor and/or a flocculation barrel is connected with the outer barrel, and a flow sensor is arranged on the pipeline to detect the amount of water in the flocculation bucket; the flocculant automatic placement device is provided with a flow sensor for flocculation The dosage of the agent is tested.
  • the flocculation barrel is provided with a water inlet, a water return port and a sewage outlet; the water outlet of the outer barrel is connected with the water inlet of the flocculation barrel through a pipeline provided with the first water pump, and the second water pump is provided through the water return port of the flocculation barrel.
  • the pipeline communicates with the water inlet of the outer tub to form a controllable circulation loop of wash water between the outer tub and the flocculation bucket.
  • the sewage outlet of the flocculation bucket is connected to the outside of the washing machine through a pipeline provided with a drain valve, and the sewage and flocs after the washing is discharged.
  • the circulating water treatment device may further comprise a filtering unit; and the filtering unit filters the flocculated water treated by the flocculation processing unit to separate the floc and the clean water.
  • the filtering device may not be used.
  • the water level sensor is arranged in the flocculation barrel so that the liquid level in the flocculation barrel is always maintained at a certain height, so that the flocculation floating on the surface of the flocculation barrel The material remains in the flocculation bucket, and the purpose of removing flocculation in the flocculated water is also achieved.
  • the flocculant dosage M n corresponding to each flocculation cycle.
  • the flocculation treatment process corresponding to different washing procedures can be matched to achieve precise control of the flocculant dosage and avoid the occurrence of delamination of the floc; at the same time, the number of flocculation cycles is accurately judged to avoid Incomplete treatment of the detergent, or excessive number of flocculation cycles, wastes electrical energy.
  • the invention can accurately determine the number of flocculation cycles N and the flocculant dosage M n corresponding to each flocculation cycle by the detergent concentration in the washing process, thereby realizing the precision control of the flocculation process of the washing machine.
  • the number of cycles N flocculation and flocculate each time cycle corresponding to the amount of flocculant serving determination process M n the following steps embodiment
  • the amount of water treated in the flocculation cycle is the amount of water in the flocculation tank at the time of flocculation treatment.
  • the amount of water V 1 treated in each flocculation cycle is the maximum capacity of the flocculation drum; when the amount of washing water V in the outer tub is less than the set value, the amount of water treated in each flocculation cycle V 1 is 4/5 to 1/2 of the maximum capacity of the flocculation bucket; preferably, V 1 is 4/5 of the maximum capacity of the flocculation bucket.
  • the residual water amount V 2 after the treatment is less than a set value of 1/2 of the maximum capacity of the flocculation bucket; preferably V 2 is a set value of 0.5 to 3L.
  • the ⁇ is a set value corresponding to the characteristics of the detergent and the flocculant.
  • the ⁇ includes a plurality of different values ⁇ 1 , ⁇ 2 , ⁇ 3 , ⁇ 4 ... ⁇ m stored in the washing machine; each value corresponds to a different type of detergent and flocculant, respectively, to improve judgment Precision.
  • the manner of obtaining the number N of flocculation cycles in step 3) is as follows: determining the C n value closest to the set value C min and less than C min , the number of flocculation cycles N is the n corresponding to the judgment value.
  • the specific judgment steps are as follows:
  • the corresponding C n which is closest to the set value C min and smaller than C min can be quickly determined, and the corresponding number N of flocculation cycles can be obtained. Therefore, after the flocculation cycle N times, the concentration of the detergent in the washing tub is made smaller than the set value, so as to achieve the purpose of removing the residual detergent on the laundry; at the same time, the end time node of the rinsing program can be precisely controlled by the above judgment to improve The control accuracy of the washing machine.
  • the washing machine after the washing process the washing water using the flocculant rinsing program starts executing, while the washing water is N times flocculation cycles, each time cycle flocculation flocculation serve to M n tub present embodiment.
  • step S4 The cumulative value of the number of flocculation cycles is increased by 1, and it is judged whether the accumulated value reaches N; if not, step S3) is continued, and the accumulated value is taken as n; if yes, step S6) is performed;
  • step S2) according to the determination methods of steps 1) to 4) in the first embodiment, the number N of flocculation cycles and the flocculant dosage M n corresponding to each flocculation cycle are obtained.
  • the flocculation processing and the rinsing process of the washing machine are simultaneously performed, and when the node is finished, the detergent concentration in the outer tub is lower than the set value, so as to achieve the purpose of removing the residual detergent on the laundry;
  • the flocculant dosage and the number of flocculation cycles are precisely controlled to improve the control precision of the flocculation process of the washing machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

一种絮凝洗衣机的控制方法以及应用该控制方法的洗衣机，该控制方法包括，对洗涤程序中的洗涤水量V和洗涤剂投放量m分别进行检测，以得出洗涤剂浓度C＝m/V；依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量M n。该控制方法只需洗涤程序中洗涤剂浓度一个参数就可精确得出絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量M n，实现了对洗衣机絮凝处理过程的精确控制；同时，使得洗衣机的絮凝处理和漂洗程序同步执行，并可在结束节点时，使得外桶中洗涤剂浓度低于设定值，以实现去除衣物上所残留洗涤剂的目的。

Description

一种絮凝洗衣机的控制方法及洗衣机 技术领域
本发明涉及洗衣机领域的一种采用絮凝方式对水进行自清洁处理的洗衣机，尤其涉及絮凝洗衣机的控制方法，还涉及一种采用上述控制方法的洗衣机。
背景技术
随着人们生活水平的提高，洗衣机现已成为人们日常生活的主要家电之一，洗衣机的洗衣过程主要包括洗涤、漂洗、甩干几个阶段，在洗涤阶段洗衣机进水和洗涤剂对衣物进行洗涤，进入漂洗阶段后为了漂净污渍和残留的洗涤剂，需要进更多的水或执行更多的漂洗次数对衣物进行漂洗，这势必耗费大量的水资源，即使是省水的滚筒洗衣机，为了漂净衣物也需要漂洗至少两次，这一过程至少要消耗30L以上的自来水。有时衣物上的污渍较少或投放的洗涤剂较少，可能两次就漂洗干净了，但由于用户选择了3次漂洗，势必也会造成水资源的浪费，比如6Kg的全自动洗衣机一般两次漂洗基本用水量在100升左右。如何在洗净衣服的同时能够做到省水省电，一直是消费者关注的焦点之一。
有鉴于此，申请人之前特提出了申请号为201310356428.5的中国专利申请，一种具有循环水处理功能的洗衣机及其控制方法，洗衣机包括外桶、设于外桶内的洗衣结构及设于外桶下方的循环水处理装置，所述的循环水处理装置包括絮凝处理单元和过滤单元，絮凝处理单元包括与外桶连通的絮凝桶和向絮凝桶内投放絮凝剂的絮凝剂投放器，由外桶排水至絮凝桶内絮凝处理；过滤单元包括过滤容器和设于过滤容器内的过滤网，过滤容器分别与絮凝桶和外桶连通，将絮凝桶内絮凝处理的水过滤后重新排入外桶内再次使用。本专利申请中是将循环絮凝过滤处理水至洗涤结束，将水排入循环水处理装置进行絮凝处理单元和过滤单元清洗，最后排出。本专利申请所述的絮凝洗衣机具有节约水资源、减少水污染、保护环境的特点。
上述具有循环水处理功能的洗衣机需要具备普通洗衣机的水处理过程如下：洗涤后的脏水从洗涤桶进入絮凝桶；进水到设定值后，投放絮凝剂，使得絮凝剂与洗涤剂、污物反应生成絮凝物；再对絮凝物进行过滤和/或将絮凝水静止分层，以使得 清水与絮凝水分离；处理后的清水回流入外桶中，以完成一次絮凝循环。
由于单次絮凝循环所处理的水量小于外桶中总的洗涤水量，所以我们需要多次处理才能完成对洗涤水的絮凝处理。因此，如何精确判断絮凝处理过程中所需的絮凝循环次数，就显得尤为重要。
同时，在絮凝循环中絮凝剂投放量偏差较大，就会导致絮凝效果变差，甚至会使得絮凝处理失败(絮凝剂投放量较少时，絮凝物颗粒小不能实现有效分层；而絮凝剂投放量过量时，絮凝物密度较大同样无法实现有效的分层)，所以我们必须精确控制每次絮凝循环中絮凝剂的投放量，以避免上述情况的发生。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种絮凝洗衣机的控制方法，以达到对絮凝过程精确控制的目的。
为实现上述发明目的，本发明采用技术方案的基本构思是：
一种絮凝洗衣机的控制方法，其包括，获取洗涤程序中的洗涤水量V和洗涤剂投放量m，以得出洗涤剂浓度C＝m/V；依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn。
进一步，所述的Mn包括，与第一次絮凝循环相对应的M1，与第二次絮凝循环相对应的M2……与第N次絮凝循环相对应的MN。
进一步，絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn的确定过程具体步骤如下，
1)用户选定和/或洗衣机检测得出洗涤水量V，以调用对应的每次絮凝循环中所处理水量V1和处理后回水剩余水量V2；并利用μ＝(V1-V2)/(V-V2)，得出每次絮凝处理的稀释率μ；
2)根据Cn＝Cμn(n可以为任一大于0的整数)，得出第n次絮凝循环后外桶中洗涤剂的浓度Cn；
3)将Cn与设定值Cmin比较，以得出絮凝循环次数N；
4)根据Mn＝(V1-V2)*αCμn-1，得出第n次絮凝循环中絮凝剂的投放量Mn。
进一步，由于第一次絮凝循环前，絮凝桶中不存在处理后回水剩余水量V2；因 此，步骤4)中，第一次絮凝循环中絮凝剂的投放量M1＝αmV1/V＝V1αC；而其他次絮凝循环中絮凝剂的投放量依然适用上述第n次絮凝循环中絮凝剂的投放量Mn＝(V1-V2)*αCμn-1。
进一步，絮凝循环中所处理的水量为絮凝处理时絮凝桶中的水量。当洗涤水量V大于设定值时，每次絮凝循环中所处理水量V1为絮凝桶的最大容量；当洗涤水量V小于设定值时，每次絮凝循环中所处理的水量V1为絮凝桶的最大容量的4/5至1/2；优选的，为V1为絮凝桶的最大容量的4/5。
进一步，处理后回水剩余水量V2V2为小于絮凝桶最大容量1/2的设定值；优选的V2为设定值0.5至3L。
进一步，判断出与设定值Cmin最接近的、且小于Cmin的Cn值，则絮凝循环次数N为该判断值所对应的n。
进一步，在步骤4)中，所述的α为依据洗涤剂和絮凝剂特性对应的设定值。
进一步，洗衣机洗涤程序结束后，利用洗涤水开始执行漂洗程序，同时对洗涤水进行N次絮凝循环，各次絮凝循环中向絮凝桶投放Mn的絮凝剂。
进一步，洗衣机的具体工作过程如下，
S1)洗衣机开始执行洗涤程序，获取洗涤水量V和洗涤剂投放量m，依据C＝m/V，得出洗涤剂浓度C；
S2)依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn；
S3)洗涤程序结束，外桶中的洗涤水流入絮凝桶使得絮凝桶中的、絮凝处理水量为V1，并向絮凝桶内投放Mn量的絮凝剂，对絮凝桶中的洗涤水进行絮凝处理后，絮凝桶中的水回流入外桶中，至絮凝桶中剩余水量为V2；
S4)絮凝循环次数累计值加1，并判断累计值是否达到N；若否，继续执行步骤S3)，并将累计值做为n带入；若是，执行步骤S6)；
S5)在执行步骤S3)和S4)的同时，利用外桶中的洗涤水开始执行漂洗程序；
S6)漂洗程序结束，将外桶和絮凝桶中的水全部外排，并清洗絮凝桶。
本发明的另一目的在于提供一种采用如上所述控制方法的洗衣机，其特征在于：洗衣机的进水结构上设有流量传感器和/或外桶中设有液位传感器，以对洗涤水量V 进行检测；洗涤剂自动投放装置上设有流量传感器，以对洗涤剂投放量m进行检测。
进一步，絮凝桶中设有液位传感器和/或絮凝桶与外桶相连接的管路上设有流量传感器，以对絮凝桶中的水量进行检测；絮凝剂自动投放装置上设有流量传感器，以对絮凝剂投放量进行检测。
本发明与现有技术相比具有以下有益效果：
1、通过上述方式，使得洗衣机的絮凝处理和漂洗程序同步执行，并可在结束节点时，使得外桶中洗涤剂浓度低于设定值，以实现去除衣物上所残留洗涤剂的目的；
2、通过上述方式，以实现不同洗涤程序匹配相对应的絮凝处理过程，以达到对絮凝剂投放量精确控制，避免絮凝物无法分层情况的发生；同时，还对絮凝循环次数进行精确判断，以避免洗涤剂处理不彻底、或絮凝循环次数过多浪费电能情况的发生；
3、本申请只需通过洗涤程序中洗涤剂浓度就可精确得出絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn，就实现了对洗衣机絮凝处理过程的精度控制；
4、同时，本发明方法简洁，效果显著，适宜推广使用。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
图1本发明实施例的结构示意图；
图2和图3本发明实施例中洗衣机控制方法的流程图；
图4本发明实施例中判断絮凝循环次数N的流程图。
具体实施方式
下面结合实施例对本发明进行进一步详细的说明。
如图1所示，本发明实施例所述的洗衣机，其内设有现有的洗衣机结构，还设有循环水处理装置，洗衣机结构包括外桶、设于外桶内的内桶、门体、控制面板、进水系统及洗涤电机，外桶底部和上部分别通过阻尼器和悬挂弹簧与外壳框架连接，进水系统包括进水结构和洗涤剂自动投放装置。所述的外桶为容纳洗涤水的容纳结构，设于外桶内的内桶为洗衣结构。外桶与进水结构相连通。
本发明实施例中，洗衣机的进水结构上设有流量传感器和/或外桶中设有液位传感器，以对洗涤水量V进行检测；洗涤剂自动投放装置上设有流量传感器，以对洗 涤剂投放量m进行检测。
本发明实施例所述的循环水处理装置至少包括絮凝处理单元；絮凝处理单元，包括与外桶连通的絮凝桶和向絮凝桶内投放絮凝剂的絮凝剂投放器，由外桶排水至絮凝桶内絮凝处理。
絮凝桶中设有液位传感器和/或絮凝桶与外桶相连接的管路上设有流量传感器，以对絮凝桶中的水量进行检测；絮凝剂自动投放装置上设有流量传感器，以对絮凝剂投放量进行检测。
所述的絮凝桶设有进水口、回水口和排污口；外桶的出水口经设有第一水泵的管路与絮凝桶的进水口相连通，絮凝桶的回水口经设有第二水泵的管路与外桶的进水口相连通，以形成洗涤水在外桶与絮凝桶之间的可控循环回路。所述絮凝桶的排污口经设有排水阀的管路与洗衣机外部相连通，将洗涤完成后的污水及絮凝物外排。
优选的，循环水处理装置还可以包括一过滤单元；过滤单元，将经絮凝处理单元处理后的絮凝处理水进行过滤处理，以分离絮凝物和洁净水。而为了实现对絮凝物和洁净水的分离还可以不采用过滤装置，例如：在絮凝桶中设置水位传感器，使得絮凝桶中的液面始终保持一定高度，以使得漂浮在絮凝桶水面处的絮凝物始终留存在絮凝桶中，也达到了去除絮凝水中絮凝物的目的。
本发明实施例中，获取洗涤程序中的洗涤水量V和洗涤剂投放量m分别进行检测，以得出洗涤剂浓度C＝m/V；依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn。
通过上述方式，以实现不同洗涤程序匹配相对应的絮凝处理过程，以达到对絮凝剂投放量精确控制，避免絮凝物无法分层情况的发生；同时，还对絮凝循环次数进行精确判断，以避免洗涤剂处理不彻底、或絮凝循环次数过多浪费电能情况的发生。同时，本发明只需通过洗涤程序中洗涤剂浓度就可精确得出絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn，就实现了对洗衣机絮凝处理过程的精度控制。
实施例一
如图3所示，本实施例中，絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn的确定过程具体步骤如下，
1)用户选定和/或洗衣机检测得出洗涤水量V，以调用对应的每次絮凝循环中所处理水量V1和处理后回水剩余水量V2；并利用μ＝(V1-V2)/(V-V2)，得出每次絮凝处理的稀释率μ；
2)根据Cn＝Cμn(n可以为任一大于0的整数)，得出第n次絮凝循环后外桶中洗涤剂的浓度Cn；
3)将Cn与设定值Cmin比较，以得出絮凝循环次数N；
4)根据Mn＝(V1-V2)*αCμn-1，得出第n次絮凝循环中絮凝剂的投放量Mn。
本实施例中，由于第一次絮凝循前，絮凝桶中不存在处理后回水剩余水量V2；因此，步骤4)中，存在特殊情况，第一次絮凝循环中絮凝剂的投放量M1＝αmV1/V＝V1αC；而其他次絮凝循环中絮凝剂的投放量依然适用上述第n次絮凝循环中絮凝剂的投放量Mn＝(V1-V2)*αCμn-1(所述的Mn包括，与第二次絮凝循环相对应的M2……与第N次絮凝循环相对应的MN)。
本实施例中，絮凝循环中所处理的水量为絮凝处理时絮凝桶中的水量。当洗涤水量V大于设定值时，每次絮凝循环中所处理水量V1为絮凝桶的最大容量；当外桶中洗涤水量V小于设定值时，每次絮凝循环中所处理的水量V1为絮凝桶的最大容量的4/5至1/2；优选的，为V1为絮凝桶的最大容量的4/5。
本实施例中，处理后回水剩余水量V2为小于絮凝桶最大容量1/2的设定值；优选的V2为设定值0.5至3L。
本实施例中，在上述步骤4)中，所述的α为依据洗涤剂和絮凝剂特性对应的设定值。优选的，所述的α包括在洗衣机中存储的多个不同值α1、α2、α3、α4…αm；每个值分别对应不同类型的洗涤剂和絮凝剂，以提高判断的精度。
如图4所示，本实施例中，步骤3)中得出絮凝循环次数N的方式如下：判断出与设定值Cmin最接近的、且小于Cmin的Cn值，则絮凝循环次数N为该判断值所对应的n。具体判断步骤如下：
31)将累计值初始化，使得累计值归1；、
32)判断C1与设定值Cmin之间的大小，若C1大于设定值Cmin则执行步骤30)；否则累计值加1，并执行步骤33)；
32)判断C2与设定值Cmin之间的大小，若C2大于设定值Cmin则执行步骤30)；否 则累计值加1，并执行步骤34)……
30)将此时的累计值做为絮凝循环次数N并输出。
通过上述方式，可快速判断出最接近设定值Cmin、且小于Cmin的对应Cn，并由此可得出对应的絮凝循环次数N。从而，使得在絮凝循环N次后，使洗涤筒中洗涤剂的浓度小于设定值，以达到去除衣物上残留洗涤剂的目的；同时，通过上述判断可精确控制漂洗程序的结束时间节点，以提高洗衣机的控制精度。
实施例二
本实施例中，洗衣机洗涤程序结束后，利用洗涤水开始执行漂洗程序，同时对洗涤水进行N次絮凝循环，各次絮凝循环中向絮凝桶投放Mn的絮凝剂。
如图2所示，洗衣机的具体工作过程如下，
S1)洗衣机开始执行洗涤程序，获取洗涤水量V和洗涤剂投放量m分别进行检测，依据C＝m/V，得出洗涤剂浓度C；
S2)依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn；
S3)洗涤程序结束，外桶中的洗涤水流入絮凝桶使得絮凝桶中的洗涤水量为V1，并向絮凝桶内投放Mn量的絮凝剂，对絮凝桶中的洗涤水进行絮凝处理后，絮凝桶中的水回流入外桶中，至絮凝桶中剩余水量为V2；
S4)絮凝循环次数累计值加1，并判断累计值是否达到N；若否，继续执行步骤S3)，并将累计值做为n带入；若是，执行步骤S6)；
S5)在执行步骤S3)和S4)的同时，利用外桶中的洗涤水开始执行漂洗程序；
S6)漂洗程序结束，将外桶和絮凝桶中的水全部外排，并清洗絮凝桶。
本实施例中，步骤S2)，依据实施例一中的步骤1)至4)的判断方法，得出絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn。
通过上述方式，使得洗衣机的絮凝处理和漂洗程序同步执行，并可在结束节点时，使得外桶中洗涤剂浓度低于设定值，以实现去除衣物上所残留洗涤剂的目的；同时，对絮凝剂投放量和絮凝循环次数进行精确控制，以提高洗衣机絮凝处理过程的控制精度。
上述实施例中的实施方案仅仅是对本发明的优选实施例进行描述，并非对本发 明的构思和范围进行限定，在不脱离本发明设计思想的前提下，本领域中专业技术人员对本发明的技术方案作出的各种变化和改进，均属于本发明的保护范围。

Claims (10)

  1. 一种絮凝洗衣机的控制方法，其包括，获取洗涤程序中的洗涤水量V和洗涤剂投放量m，以得出洗涤剂浓度C＝m/V；
    其特征在于：依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn。
  2. 根据权利要求1所述的方法，其特征在于：具体步骤如下，
    1)用户选定和/或洗衣机检测得出洗涤水量V，以调用对应的每次絮凝循环所处理水量V1和处理后回水剩余水量V2；并利用μ＝(V1-V2)/(V-V2)，得出每次絮凝处理的稀释率μ；
    2)根据Cn＝Cμn(n为任一大于0的整数)，得出第n次絮凝循环后外桶中洗涤剂的浓度Cn；
    3)将Cn与设定值Cmin比较，以得出絮凝循环次数N；
    4)根据Mn＝(V1-V2)*αCμn-1，得出第n次絮凝循环中絮凝剂的投放量Mn。
  3. 根据权利要求2所述的方法，其特征在于：当洗涤水量V大于设定值时，每次絮凝循环所处理水量V1为絮凝桶的最大容量；
    当洗涤水量V小于设定值时，每次絮凝循环所处理的水量V1为絮凝桶的最大容量的4/5至1/2。
  4. 根据权利要求2所述的方法，其特征在于：处理后回水剩余水量为絮凝处理后絮凝桶内剩余的水量，V2为小于絮凝桶最大容量1/2的设定值。
  5. 根据权利要求2所述的方法，其特征在于：判断出与设定值Cmin最接近的、且小于Cmin的Cn值，则絮凝循环次数N为该判断值所对应的n。
  6. 根据权利要求2所述的方法，其特征在于：步骤4)中，第一次絮凝循环中，絮凝剂的投放量M1＝αmV1/V＝V1αC。
  7. 根据权利要求1至6任一所述的方法，其特征在于：洗衣机洗涤程序结束后，利用洗涤水开始执行漂洗程序，同时对洗涤水进行N次絮凝循环，各次絮凝循环中向絮凝桶投放Mn的絮凝剂。
  8. 根据权利要求7所述的方法，其特征在于：洗衣机的具体工作过程如下，
    S1)洗衣机开始执行洗涤程序，获取洗涤水量V和洗涤剂投放量m分别进行检测，依据C＝m/V，得出洗涤剂浓度C；
    S2)依据洗涤剂浓度C，确定洗涤水的絮凝循环次数N和各次絮凝循环所对应的絮凝剂投放量Mn；
    S3)洗涤程序结束，外桶中的洗涤水流入絮凝桶使得絮凝桶中的水量为V1，并向絮凝桶内投放Mn量的絮凝剂，对絮凝桶中的洗涤水进行絮凝处理后，絮凝桶中的水回流入外桶中，至絮凝桶中剩余水量为V2；
    S4)絮凝循环次数累计值加1，并判断累计值是否达到N；若否，继续执行步骤S3)，并将累计值做为n带入；若是，执行步骤S6)；
    S5)在执行步骤S3)和S4)的同时，利用外桶中的洗涤水开始执行漂洗程序；
    S6)漂洗程序结束，将外桶和絮凝桶中的水全部外排，并清洗絮凝桶。
  9. 一种采用如上权利要求1至8任一所述控制方法的洗衣机，其特征在于：洗衣机的进水结构上设有流量传感器和/或外桶中设有液位传感器，以对洗涤水量V进行检测；洗涤剂自动投放装置上设有流量传感器，以对洗涤剂投放量m进行检测。
  10. 根据权利要求7所述的洗衣机，其特征在于：絮凝桶中设有液位传感器和/或絮凝桶与外桶相连接的管路上设有流量传感器，以对絮凝桶中的水量进行检测；
    絮凝剂自动投放装置上设有流量传感器，以对絮凝剂投放量进行检测。
PCT/CN2016/079407 2015-05-29 2016-04-15 一种絮凝洗衣机的控制方法及洗衣机 Ceased WO2016192473A1 (zh)

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