WO2018049857A1 - 一种带内外桶间防积垢装置的洗衣机 - Google Patents

一种带内外桶间防积垢装置的洗衣机 Download PDF

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WO2018049857A1
WO2018049857A1 PCT/CN2017/087706 CN2017087706W WO2018049857A1 WO 2018049857 A1 WO2018049857 A1 WO 2018049857A1 CN 2017087706 W CN2017087706 W CN 2017087706W WO 2018049857 A1 WO2018049857 A1 WO 2018049857A1
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water
washing machine
interlayer
tub
electromagnetic
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PCT/CN2017/087706
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English (en)
French (fr)
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李传阳
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李传阳
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/08—Control circuits or arrangements thereof
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • the present invention relates to the field of laundry devices, and more particularly to a washing machine with an anti-fouling device between the inner and outer barrels.
  • the washing machine has entered thousands of households, but the fully automatic washing machine has a common problem of laminar fouling in the washing tub.
  • the dirt is due to the low concentration of rinsing water (still containing a small amount of detergent and dirt) attached to the various parts of the tub after the end of the laundry; there is residual washing foam above the water line. After the water and foam are naturally evaporated, the dissolved matter precipitates and adheres to the surface of each laundry part to form a very thin dirt layer.
  • the dirt layer in the interlayer can not be removed in the next washing. As the number of washings increases, the dirt layer accumulates and accumulates. It becomes visible from thin to thick and invisible, and finally becomes the "fouling layer" we see. They are not only easy to breed bacteria but also partially peel off during the washing process.
  • the technical problem to be solved by the present invention is to provide a washing machine capable of blocking the formation of dirt and keeping the space inside the washing tub continuously clean, in view of the above-mentioned deficiencies of the prior art.
  • a washing machine with an anti-fouling device between the inner and outer barrels comprising a casing, an outer tub disposed inside the outer casing, an inner tub disposed in the outer tub, and a pulsator, wherein
  • the utility model comprises an anti-fouling device capable of spraying tap water into the interlayer between the inner and outer barrels during the t7-t8 period (time length T1) during the last dehydration process of the washing machine, and spraying the inner barrel by the high-speed rotation
  • the tap water is poured into the corners of the interlayer between the inner and outer barrels, and the interlayer and the drain are flushed.
  • the anti-fouling device comprises an electromagnetic water valve, a water spout and a control circuit; the water inlet of the electromagnetic water valve is connected to the tap water pipe through a pipeline; the water spout has a plurality of water jets arranged in a side of the outer tub and The bottom surface and the water spray direction are opposite to the inner tub, and the plurality of water spray ports are connected to the water outlet of the electromagnetic water valve through the pipeline and sprayed under the control of the electromagnetic water valve and the control circuit.
  • the specific steps of the determining process at the time point t8 are as follows: after the dehydration process is run until t3, the laundry is discharged to the outside very little (the relationship between the amount of laundry dewatering and the inner drum rotation speed is shown in FIG. 2) The traced rinsing water discharged will not cause any pollution to the interlayer after the tap water is washed.
  • the dehydration program runs during t3-t5, the inner barrel speed is higher than r1 (the dehydration speed balance point value, as shown in Figure 2), the water sprayed through the dewatering hole will be immediately thrown out, and will not enter the inner barrel to infiltrate the clothes and affect the dewatering effect.
  • the design effect of the present application can be achieved.
  • the specific steps of the determining process at the time point t7 are as follows: the spraying water duration T1 is satisfied that the length of the interval t7 to t8 is satisfied that the flushing is required and the water is used less.
  • T1 should be determined based on extensive test results.
  • the time range of T1 is set to 20-60 seconds, preferably T1 is 40 seconds. According to t8 and T1, the water spray start time t7 can be determined.
  • the invention has the technical effect that the present invention sprays tap water into the interlayer between the inner and outer barrels of the washing machine at a specific time, and sprays the sprayed tap water into the corners of the interlayer between the inner and outer barrels by using the high-speed rotating inner tub to reach the flushing interlayer and
  • the purpose of the drain pipe is to prevent the rinsing water and residual foam from staying in the machine and evaporating, thereby fundamentally blocking the generation of dirt and solving the problem of scale existing in the fully automatic washing machine.
  • the flushing process of the anti-fouling device is completed in the high-speed phase of the last dewatering process. The flushing process does not affect the dewatering effect of the washing machine, does not increase the working time of the washing machine, does not change the original structure of the washing machine, and consumes less water for washing.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 1 1-outer, 2-outer barrel, 3-inner barrel, 4-wheel, 5-spray, 6-electromagnetic water valve, 7-drive shaft.
  • Figure 2 is a diagram showing the relationship between the speed and time of the inner tub.
  • R1 The value of the dehydration speed balance point, that is, the water sprayed through the dewatering hole will be immediately thrown out, and will not enter the rotation speed of the inner tub to infiltrate the laundry and affect the dehydration effect.
  • the corresponding start and end time points are t1 and t5, respectively;
  • r1 This specific value varies with the diameter of the inner barrel. According to the principle of centrifugal drying, the dehydration rate has a function relationship with the inner drum rotation speed and diameter. When the inner barrel rotation speed is higher than the equilibrium point value, the water sprayed through the dewatering hole will be immediately thrown out, and will not enter the inner barrel to infiltrate the laundry and affect the dewatering effect;
  • R2 The steady rotation speed in the dehydration stage, and the corresponding start and stop time points are t2 and t4, respectively.
  • T1-t3 The speed continues to rise and reaches the highest value, and the laundry drainage is reduced and gradually drained;
  • T3-t4 The speed is stable at high speed, and the clothes are rarely drained;
  • T4-t6 The speed is reduced and the clothes are not drained.
  • a washing machine with an inner and outer barrel anti-fouling device comprises a casing 1 , an outer tub 2 disposed in the outer casing 2 , an inner tub 3 disposed in the outer tub 2 , a pulsator 4 , Drive shaft 7.
  • the present invention also includes an anti-fouling device including an electromagnetic water valve 6, a water spout 5, and a control circuit; the water inlet of the electromagnetic water valve 6 is in communication with the tap water pipe through a pipe. a plurality of the water spouts 5 are arranged on the side surface and the bottom surface of the outer tub 2 and the water spray direction faces the inner tub 3, and the plurality of the water spouts 5 are connected to the water outlet of the electromagnetic water valve 6 through the pipeline;
  • the control circuit can control the electromagnetic water valve 6 When the electromagnetic water valve 6 is opened, the water spray port 5 sprays water, and when the electromagnetic water valve 6 is closed, the water spray port 5 stops spraying water.
  • the water spout 5 has 2 to 8.
  • the control circuit controls the electromagnetic water valve 6 to be opened 40 seconds before the last dehydration program is run until the dehydration motor is powered off, and the opening time is 40 seconds.
  • the tap water is injected into the interlayer between the inner tub 3 and the outer tub 2 of the washing machine through the electromagnetic water valve 6, the pipe, and the water spout 5.
  • the inner bucket 3 rotates at a high speed to sprinkle tap water to each corner of the interlayer between the inner tub 3 and the outer tub 2 (since the water spray time is controlled in the high-speed rotation stage of the inner tub, the water sprayed into the interlayer does not enter the inner tub to infiltrate the laundry to affect the dehydration effect), and the flushing interlayer is washed.
  • the drain pipe prevents the rinsing water and residual foam from staying in the machine and evaporating, thereby fundamentally blocking the generation of dirt.
  • the invention solves the problem of fouling existing in the automatic washing machine by spraying water to the interlayer between the inner and outer barrels of the washing machine at a specific time, rinsing the rinsing water and the residual foam adhered in the interlayer, and solving the fouling problem existing in the automatic washing machine, and the anti-scaling device
  • the flushing of the interlayer does not affect the dewatering effect of the washing machine, does not increase the working time of the washing machine, does not change the original structure of the washing machine, and consumes less water for washing.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

一种带内外桶间防积垢装置的洗衣机，包括防积垢装置，该防积垢装置包括电磁水阀（6）、喷水口（5）以及控制电路；该防积垢装置能在洗衣机末次脱水程序的特定时间段向内、外桶间的夹层喷入自来水且针对不同机型，喷水起止时间有所不同；所述电磁水阀（6）的进水口与自来水管道连通；所述喷水口（5）有多个，其排列设置于外桶（2）侧面及底面并且喷水方向对着内桶（3），多个所述喷水口（5）均与电磁水阀（6）的出水口连接并在电磁水阀（6）和控制电路的控制下进行喷水。利用简单的附加装置通过在特定时间向洗衣机内外桶之间的夹层喷水，冲洗夹层内附着的漂洗水和残留泡沫进而杜绝夹层内产生积垢，解决了全自动洗衣机存在的积垢问题。

Description

一种带内外桶间防积垢装置的洗衣机 技术领域
本发明涉及洗衣装置领域，更具体地说，它涉及一种带内外桶间防积垢装置的洗衣机。
背景技术
洗衣机已进入千家万户，但全自动洗衣机存在洗衣桶夹层积垢的通病。随着使用时间的增加，洗衣机内外桶之间的隐藏部位上会形成很多污垢。该污垢是由于洗衣结束后洗衣桶内各部件上附着有低浓度的漂洗水(仍含有少量的洗涤剂和污物)；水位线以上部分还有残留的洗涤泡沫。这部分水和泡沫经自然蒸发后，所含的溶解物就析出并附着于各洗衣部件表面，形成极薄的污垢层。夹层内的污垢层并不能在下一次的洗涤中被清除，随着洗涤次数的增加污垢层不断叠加积累，由薄变厚由不可见变可见，最后变成了我们所看到“污垢层”。它们不但容易滋生细菌还会在洗衣过程中部分脱落影响洗涤效果
发明内容
本发明要解决的技术问题是针对现有技术的上述不足，提供一种能阻断污垢形成，使洗衣桶内部各空间持续保持洁净的洗衣机。
本发明采用的技术方案是这样的：一种带内外桶间防积垢装置的洗衣机，包括外壳、设置于外壳内的外桶、设置于外桶内的内桶以及波轮，其特征在于，还包括防积垢装置，该防积垢装置能在洗衣机末次脱水程序运行于t7－t8时间段期间(时间长度为T1)向内、外桶间的夹层喷入自来水,利用高速旋转的内桶将喷入的自来水洒向内外桶之间夹层的各角落,对夹层和排水管进行冲洗。所述防积垢装置包括电磁水阀、喷水口以及控制电路；所述电磁水阀的进水口通过管道与自来水管道连通；所述喷水口有多个，其排列设置于外桶侧面及底面并且喷水方向对着内桶，多个所述喷水口均通过管道与电磁水阀的出水口连接并在电磁水阀和控制电路的控制下进行喷水。
作为上述防积垢装置的一种优选方案，所述的时间点t8确定过程的具体步骤如下，脱水程序运行至t3以后衣物向外排水极少(衣物脱水量与内桶转速关系见图2说明)，所排出的微量漂洗水不会对自来水冲洗后的夹层再次产生污染。脱水程序运行于t3-t5期间，内桶转速高于r1(脱水转速平衡点数值，见图2说明)，经脱水孔喷入的水会立即被甩出，不会进入内桶浸润衣物影响脱水效果。所以只要喷水时间处于t3-t5(见图2)之间，均可达到本申请的设计效果。为简化控制电路，将喷水停止时间t8设置于脱水电机断电时(即t4)最为理想。
作为上述防积垢装置的一种优选方案，所述的时间点t7确定过程的具体步骤如下，喷水持续时间T1既t7至t8间隔长度应满足即完成冲洗又较少用水的要求，喷水口流量及洗衣桶的直径、稳定转速、材质和自来水水质均会影响T1的最小值，T1应根据广泛试验结果综合考虑后确定，T1的时间范围定为20-60秒，优选T1为40秒，根据t8和T1就能确定喷水开始时间t7。
本发明具有的技术效果：本发明通过在特定时间向洗衣机内外桶之间的夹层喷入自来水，利用高速旋转的内桶将喷入的自来水洒向内外桶之间夹层的各角落，达到冲洗夹层和排水管的目的，杜绝了漂洗水和残留泡沫在机内滞留、蒸发，从而在根本上阻断污垢的产生，解决了全自动洗衣机存在的积垢问题。防积垢装置的冲洗过程在末次脱水程序的高转速阶段内完成，冲洗过程不影响洗衣机的脱水效果、不增加洗衣机工作时间、不改变洗衣机原有结构、冲洗用水量少。
附图说明
图1为本发明的结构示意图。
图1中：1-外壳，2-外桶，3-内桶，4-波轮，5-喷水口，6-电磁水阀，7-传动轴。
图2为内桶转速、时间关系图。
图2中代号及含义：
r：内桶转速t：时间；
r1:脱水转速平衡点数值,即经脱水孔喷入的水会立即被甩出，不会进入内桶浸润衣物影响脱水效果的转速。所对应的起止时间点分别为t1和t5；
r1的确定：这一特定值随内桶直径不同而有所差异。由离心甩干原理可知：脱水率与内桶转速及直径存在函数关系，当内桶转速高于平衡点数值时经脱水孔喷入的水会立即被甩出，不会进入内桶浸润衣物影响脱水效果；
r2:脱水阶段稳定转速，所对应的起止时间点分别为t2和t4。
甩干过程各阶段衣物排水情况：
0--t1:转速升高，衣物大量排水；
t1-t3:转速继续升高并达最高值，衣物排水减少并逐步排尽；
t3-t4:转速稳定于高速，衣物极少排水；
t4-t6:转速下降，衣物不排水。
具体实施方式
为了更清楚地表述本发明，下面结合附图以及具体实施例来对本发明作进一步地说明，在此本发明的示意性实施例及说明用来解释本发明，但并不作为对本发明的限定。
参阅图1所示，本发明的一种带内外桶间防积垢装置的洗衣机，包括外壳1、设置于外壳1内的外桶2、设置于外桶2内的内桶3、波轮4、传动轴7。
本发明还包括防积垢装置，该防积垢装置包括电磁水阀6、喷水口5以及控制电路；所述电磁水阀6的进水口通过管道与自来水管道连通。所述喷水口5有多个，其排列设置于外桶2侧面及底面上并且喷水方向对着内桶3，多个所述喷水口5通过管道与电磁水阀6的出水口连接；控制电路能够控制电磁水阀6 的启闭，当电磁水阀6开启时所述喷水口5进行喷水，当电磁水阀6闭合时所述喷水口5停止喷水。在本实施例中，所述喷水口5有2～8个。
在最后一次脱水程序运行至脱水电机断电前40秒时，控制电路控制电磁水阀6开启，开启时间长度为40秒钟。自来水通过电磁水阀6、管道及喷水口5向洗衣机内桶3与外桶2之间的夹层喷入。内桶3高速旋转将自来水洒向内桶3与外桶2之间夹层的各角落(由于喷水时间控制在内桶高速旋转阶段，喷入夹层的水不会进入内桶浸润衣物影响脱水效果)，冲洗夹层和排水管，杜绝了漂洗水和残留泡沫在机内滞留、蒸发，从而在根本上阻断了污垢的产生。本发明通过在特定时间向洗衣机内外桶之间的夹层喷水，冲洗夹层内附着的漂洗水和残留泡沫进而杜绝夹层内产生污垢，解决了全自动洗衣机存在的积垢问题，并且防积垢装置对夹层的冲洗不影响洗衣机的脱水效果、不增加洗衣机工作时间、不改变洗衣机原有结构、冲洗用水量少。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (3)

  1. 一种带内外桶间防积垢装置的洗衣机，包括外壳、设置于外壳内的外桶、设置于外桶内的内桶以及波轮，其特征在于，还包括防积垢装置，该防积垢装置能在洗衣机末次脱水程序运行于t7－t8时间段期间(时间长度为T1)向内、外桶间的夹层喷入自来水，利用高速旋转的内桶将喷入的自来水洒向内外桶之间夹层的各角落，对夹层和排水管进行冲洗；所述防积垢装置包括电磁水阀、喷水口以及控制电路；所述电磁水阀的进水口通过管道与自来水管道连通；所述喷水口至少一个，其排列设置于外桶侧面及底面并且喷水方向对着内桶，所述喷水口均通过管道与电磁水阀的出水口连接并在电磁水阀和控制电路的控制下进行喷水。
  2. 根据权利要求1所述的一种带内外桶间防积垢装置的洗衣机，其特征在于：t8确定过程的具体步骤如下：
    1)脱水程序运行至t3以后衣物向外排水极少，所排出的微量漂洗水不会对自来水冲洗后的夹层再次产生污染，脱水程序运行于t3-t5期间，内桶转速高于r1，经脱水孔喷入的水会立即被甩出，不会进入内桶浸润衣物影响脱水效果；所以喷水时间处于t3-t5之间，均可达到本申请的设计效果，为简化控制电路，将喷水停止时间t8优选地设置于脱水电机断电时刻t4。
  3. 根据权利要求1所述的一种带内外桶间防积垢装置的洗衣机，其特征在于，t7确定过程的具体步骤如下：
    1)喷水持续时间T1既t7至t8间隔长度应满足即完成冲洗且用水少的要求，喷水口流量及洗衣桶的直径、稳定转速、材质和自来水水质均会影响T1的最小值，T1的时间范围定为20-60秒，优选T1为40秒；
    2)根据t8和T1确定喷水开始时间t7。
PCT/CN2017/087706 2016-09-15 2017-06-09 一种带内外桶间防积垢装置的洗衣机 WO2018049857A1 (zh)

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CN201610826268.X 2016-09-15

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