WO2017121346A1 - 一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法 - Google Patents

一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法 Download PDF

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Publication number
WO2017121346A1
WO2017121346A1 PCT/CN2017/070946 CN2017070946W WO2017121346A1 WO 2017121346 A1 WO2017121346 A1 WO 2017121346A1 CN 2017070946 W CN2017070946 W CN 2017070946W WO 2017121346 A1 WO2017121346 A1 WO 2017121346A1
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WIPO (PCT)
Prior art keywords
reaction
washing machine
water
stirring
flocculation
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PCT/CN2017/070946
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English (en)
French (fr)
Inventor
张江涛
李冬
车敏
赵志强
邓金柱
劳春峰
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青岛海尔洗衣机有限公司
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Publication of WO2017121346A1 publication Critical patent/WO2017121346A1/zh

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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 
    • D06F39/02Devices for adding soap or other washing agents
    • D06F39/022Devices for adding soap or other washing agents in a liquid state
    • 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

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  • the invention relates to a flocculation stirring device for a washing machine, a washing machine and a washing machine control method, and belongs to the field of washing machine devices and control methods.
  • the washing machine flocculates the washed washing water in the flocculation reaction vessel and re-inputs the purified water into the washing tub for washing.
  • the hydrophobic impeller mounted on the agitating shaft is one, and since there is only one hydrophobic impeller, the liquid agitation effect in the flocculation reaction vessel is limited, so that the liquid and the flocculating agent in the flocculation reaction vessel are made.
  • the degree of mixing is limited, and the effect of flocculation purification of washing water is limited.
  • the stirring motor drives the water impeller to rotate at a high speed. Due to the centrifugal force of the water impeller, the influent water is sucked to the inner wall of the flocculation reaction vessel at a certain speed for cleaning, but also because there is only one impeller impeller. This results in a limited range of drowning heights, resulting in low flushing efficiency for the flocculation reaction vessel.
  • 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 flocculation stirring device for a washing machine, a washing machine and a washing machine control method, which can make the washing water flocculation reaction more fully and make the reaction container clean more thoroughly.
  • a flocculation stirring device for a washing machine comprising a reaction barrel and a stirring paddle installed in the reaction barrel, the stirring paddle includes an upper agitating paddle and a lower agitating paddle coaxially disposed on the agitating shaft, and a paddle of the upper agitating paddle and the lower agitating paddle The top and bottom are overlapped; a circulation inlet and a flocculant injection port are arranged at the top of the reaction barrel, and a circulation outlet and a drainage port are arranged at the lower part of the reaction barrel, and the distance between the upper stirring paddle and the lower stirring paddle is 1/3-1/ of the overall height of the reaction barrel. 8.
  • the distance between the lower agitating paddle and the bottom of the reaction barrel is 1/5-1/10 of the overall height of the reaction barrel.
  • the middle and upper portions of the reaction barrel are straight barrels, and the bottom portion is an inverted frustum-shaped structure.
  • angle of inclination of the tapered surface of the inverted frustum-shaped structure at the bottom of the reaction barrel to the vertical direction is ⁇ , and ⁇ is between 5° and 80°.
  • the diameter D of the stirring blade: at D [DH / (7tan ⁇ ) ] - (2 ⁇ 150) mm
  • D is the diameter of the reaction barrel
  • is the inclination angle of the cone surface of the inverted frustum-shaped structure at the bottom of the reaction barrel and the vertical direction
  • H is the overall height of the reaction barrel.
  • front and rear side walls of the reaction barrel are curved surfaces, and the left and right side walls are flat, and the two side walls connected to each other are smoothly transitioned.
  • circulation inlet and the flocculant injection port provided at the top of the reaction barrel are both smaller than the upper stirring blade radius.
  • the circulation inlet and the flocculant injection port are both disposed on the line connecting the two side walls of the interconnecting smooth transition to the stirring shaft.
  • a washing machine having the aforementioned flocculation stirring device.
  • the control method of the washing machine in the washing water flocculation process, the washing water in the washing tub of the washing machine is injected into the reaction barrel through the circulating inlet of the reaction barrel, and the flocculating agent is put into the reaction barrel through the floc filling port, the reaction barrel
  • the stirring paddle rotates, and when the water level in the reaction barrel reaches the second set water level, the water inlet is stopped.
  • the motor stops running, and the fresh water obtained after the flocculation treatment is re-delivered into the washing tub to wash the laundry or transported to the water container; when the water in the reaction tank drops to the third setting After the water level, the drain pump stops running and the floc after the reaction remains in the reaction tank.
  • the water is injected into the reaction tank through the circulation inlet and the flocculant injection port, and the motor is turned on to rotate the upper and lower stirring blades, and when the water level reaches the fourth set water level, the water is stopped.
  • the drain port is opened, and the sewage is discharged outside the reaction barrel to complete the cleaning of the reaction barrel.
  • the present invention has the following advantageous effects compared with the prior art.
  • the invention relates to a flocculation and agitation device of a washing machine, a washing machine and a washing machine control method.
  • a flocculation and agitating device of the washing machine a vertical agitating paddle and a lower agitating paddle are arranged, and a spacing between the upper agitating paddle and the lower agitating paddle is provided.
  • the restriction is made such that the stirring paddle has a better agitation effect on the washing water in the reaction tank, and the reaction between the flocculant and the washing water is enhanced.
  • the purified water is injected into the reaction tank from the circulation inlet and the flocculant injection port, and the distance between the circulation inlet and the flocculant injection port and the stirring shaft is smaller than the radius of the upper stirring blade, so that the circulation inlet and the flocculation are obtained.
  • the rotating water is used to hit the purified water flowing down from the top, and the purified water is hit by the stirring paddle to the reaction barrel wall, so that the reaction barrel is Cleaning is more complete and thorough.
  • the upper and lower agitating paddles simmer the water onto the inner wall of different heights of the reaction barrel to achieve the function of cleaning the wall of different heights.
  • FIG. 1 is a half cross-sectional structural view of a flocculation stirring device of a washing machine of the present invention
  • FIG. 2 is a schematic view showing the assembly structure of the stirring paddle and the stirring shaft;
  • FIG. 3 is a schematic view showing the outline of a flocculation stirring device of a washing machine of the present invention
  • Figure 4 is a plan view of a flocculation stirring device of a washing machine of the present invention.
  • Fig. 5 is a half cross-sectional structural view showing a flocculation stirring device of a washing machine of the present invention.
  • Reaction barrel 2. Mixing shaft 3. Upper stirring paddle 4. Lower stirring paddle 5. Recirculation inlet 6. Flocculant injection port 7. Drainage port 8, circulation outlet 9, lower support 10, overflow port 11, reaction barrel Upper cover 12, motor.
  • the flocculation stirring device of the washing machine of the present invention comprises a reaction tank 1 and a stirring paddle installed in the reaction tub 1.
  • the stirring paddle includes an upper agitating paddle 3 coaxially disposed on the agitating shaft 2 and
  • the lower agitating paddle 4, the upper agitating paddle 3 and the lower agitating paddle 4 are vertically overlapped, that is, the deflection angle between the upper agitating paddle 3 and the lower agitating paddle 4 is 0; at the top of the reaction tank 1 is provided a washing machine
  • the washing water in the washing tub enters the circulation inlet 5 of the reaction barrel and the flocculant injection port 6 into which the flocculating agent is placed in the reaction barrel, and the distance between the circulation inlet 5 and the flocculating agent injection port 6 and the stirring shaft 2 is smaller than that of the upper stirring paddle radius.
  • the washing water in the washing tub of the washing machine is transported through the pipeline from the circulating inlet 5 at the top of the reaction tank 1 into the reaction tank 1, and the flocculating agent is put into the reaction tank 1 from the flocculating agent injection port 6, and the washing water is flocculated in the reaction tank 1.
  • the flocculated purified water is discharged from the circulation outlet 8 at the lower portion of the reaction tank 1 and piped to the washing tub of the washing machine, and the flocs are discharged from the drain port 7 at the lower portion of the reaction tank 1.
  • the middle and upper portions of the reaction barrel 1 are straight barrels
  • the bottom of the reaction barrel 1 is a structure that is gradually reduced downward, and the bottom portion may be an inverted frustum-shaped structure, or The bottom is a curved structure.
  • the angle of inclination of the tapered surface of the inverted truncated cone structure at the bottom of the reaction tank 1 is ⁇ , and ⁇ is between 5° and 80°.
  • the washing water can be flocculated better with the flocculating agent, and the number of the upper agitating paddle 3 and the lower agitating paddle 4 is the same, and one to four blades are used.
  • the plurality of blades are uniformly arranged around the stirring shaft, and the blades are vertically arranged.
  • the distance between the upper stirring paddle 3 and the lower agitating paddle 4 is 1/3 to 1/8 of the overall height of the reaction tub 1.
  • the distance between the lower agitating paddle 4 and the bottom of the reaction tub 1 is 1/5-1/10 of the overall height of the reaction tub 1.
  • D is the diameter of the reaction barrel
  • is the inclination angle of the cone surface of the inverted truncated cone structure at the bottom of the reaction barrel and the vertical direction
  • H is the overall height of the reaction barrel.
  • the paddle diameter is 50-500mm, the width is 5-100mm; the lower paddle diameter is 50-400mm, which is slightly smaller than the diameter of the upper paddle, and the width is 5-100mm, which is the same as the width of the upper paddle.
  • the upper and lower stirring blades are longitudinally spaced 10-1000 mm, and the lower stirring paddle is 10-500 mm away from the bottom of the reaction barrel.
  • the upper stirring paddle 3 has a diameter of 250mm and a width of 70mm; the lower agitating paddle has a diameter of 200mm and a width of 70mm. And the longitudinal spacing of the upper and lower agitating blades is 100mm. The distance between the lower stirring paddle and the bottom of the reaction barrel is 70 mm.
  • the front and rear side walls of the reaction tank 1 are curved surfaces, and the left and right side walls are flat, and the two side walls connected to each other are smoothly transitioned.
  • Such a structure produces four structural protrusions that transition from a circular arc to a plane that will act to lift the water flow.
  • the water flow driven by the agitating paddle generates a sudden change when flowing through the four positions, so that the water flow generates an upward or downward force, which better drives the water flow to generate an up and down vortex, thereby avoiding the circular reaction bucket water flow in the circular area. Flowing, there is no power to drive the flow of water up and down.
  • the structure of the upper and lower agitating paddles and the relative positional dimensions, as well as the front and rear side walls of the reaction tank 1 are curved surfaces, the left and right side walls are flat, and the two side walls connected to each other are smoothly transitioned to ensure the lowest bottom of the reaction barrel 1.
  • the water flow can be stirred up and down in the middle position of the two paddles to generate a large vortex, so that the liquid flow in the reaction tank is more fully mixed, and the flocculant and the wash water are strengthened.
  • the reaction avoids the normal in-line stirring paddle that does not cause the water flow to oscillate up and down during agitation.
  • the circulation inlet and the flocculant injection port are both disposed on the line connecting the smooth transitions of the two side walls to the agitating shaft. Such a structure maximizes the distance between the circulation inlet and the flocculant injection port.
  • the circulation inlet 5 is connected to the water purification water source, and the flocculant injection device connected to the flocculant injection port 6 is also connected to the purified water source. Therefore, when the reaction tank 1 is cleaned, the circulation inlet 5 and the flocculant injection port 6 are simultaneously introduced into the reaction tank 1.
  • the purified water is injected, and the distance between the circulation inlet 5 and the flocculant injection port 6 and the agitating shaft 2 is smaller than the upper agitating blade radius, so that the agitating paddle is located when the water entering from the circulation inlet 5 and the flocculating agent inlet 6 flows downward.
  • the purified water flowing down from the top is blown by the rotating stirring paddle, and the purified water is hit by the stirring paddle to the wall of the reaction barrel, so that the cleaning of the reaction barrel is more complete and thorough.
  • the washing machine in this embodiment is equipped with the washing tub and the flocculation stirring device described in the first embodiment.
  • the flocculation stirring device the upper and lower agitating paddles and the lower agitating paddle are arranged, and the spacing between the upper agitating paddle and the lower agitating paddle is limited, so that the agitating paddle has a better agitation effect on the washing water in the reaction barrel.
  • the rotating water is used to hit the purified water flowing down from the top, and the purified water is hit by the stirring paddle to the reaction barrel wall, so that the reaction barrel is Cleaning is more complete and thorough.
  • the upper and lower agitating paddles simmer the water onto the inner wall of different heights of the reaction barrel to achieve the function of cleaning the wall of different heights.
  • the washing machine control method of the embodiment is implemented by the washing machine of the second embodiment.
  • the washing water from the washing tub of the washing machine enters the reaction tub 1 through the circulation inlet 5 of the reaction tub 1, and at this time, the drain port 7 of the reaction tub 1 and the drain pump of the circulation outlet are closed, and the washing water entering the reaction tub 1 is closed. Will not be discharged.
  • the motor starts to drive the stirring shaft 2 to run in one direction or forward and reverse rotation, the rotation speed is 10-1000 r/min, and the flocculant It is put into the reaction tank 1 through the flocculant injection port 6, and the circulation inlet 5 is still kept in the water inlet state.
  • the stop is stopped. Water is supplied from the washing tub to the reaction tub 1.
  • the motor continues to run for 1-5 min.
  • the flocculant and the washing water complete the flocculation reaction, the motor stops running.
  • the drain pump connected to the circulation outlet 8 of the reaction tank 1 is opened, and the water obtained after the flocculation treatment is turned off. Re-feed into the washing tub to wash the laundry or transport it to the water container to fill the water.
  • the drain pump stops running, and the flocculation after the reaction is performed.
  • the object remains in the reaction tank 1, and is discharged from the drain port 7 from the drain port 7 when the reaction tank 1 is subsequently cleaned.
  • the flushing function is automatically activated, and the washing water (or tap water) starts to enter the reaction tub 1 through the circulation inlet 5 and the flocculating agent inlet port 6, and the motor is turned on to make the upper and lower stirring blades follow the positive or positive Reversed state operation.
  • the motor speed is 10-1500r/min.
  • Both the circulation inlet 5 and the flocculant injection port 6 are smaller than the upper agitating blade 2, and are located in the rotation range of the agitating paddle when the water entering from the circulation inlet 5 and the flocculating agent inlet 6 is under the rotation range of the agitating paddle.
  • the stirring paddle hits the purified water flowing down from the top, and the purified water is hit by the stirring paddle to the wall of the reaction barrel, so that the cleaning of the reaction barrel is more complete and thorough. Since the water flow is injected into the reaction tank from the top to the bottom, in the falling process, the upper and lower agitating paddles smash the water to the inner wall of different heights of the reaction barrel 1 to achieve the function of cleaning the barrel wall, at this time, the drain port 7 and The circulation outlets 8 are all closed.

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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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法,絮凝搅拌装置通过设置同轴的上搅拌桨(3)和下搅拌桨(4),且对上搅拌桨(3)和下搅拌桨(4)之间的间距进行限定,使得搅拌桨对反应桶(1)内的洗涤水搅动效果更好,加强絮凝剂与洗涤水的反应。在清洗反应桶(1)时,同时从循环入口(5)和絮凝剂投放口(6)向反应桶(1)内注入净水,循环入口(5)和絮凝剂投放口(6)两者与搅拌轴(2)的距离均小于上搅拌桨(3)半径,使从循环入口(5)和絮凝剂投放口(6)进入的水流下时位于搅拌桨的转动范围内,利用转动的搅拌桨击打从上而下流下的净水,净水经搅拌桨击打甩到反应桶(1)壁上,使得对反应桶(1)的清洗更充分和彻底。上、下搅拌桨将水甩到反应桶(1)的不同高度的内壁上以达到清洗不同高度桶壁的作用。

Description

一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法 技术领域
本发明涉及一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法,属于洗衣机装置及控制方法领域。
背景技术
洗衣机通过在絮凝反应容器内对洗涤后的洗涤水进行絮凝净化并将净化后的清水重新输入洗涤桶内洗衣。为了使洗涤水在絮凝反应容器中的絮凝反应更充分,需要对絮凝搅拌装置进行合理设计。在申请号为201410120017.0的专利申请中,安装于搅拌轴上的甩水叶轮为一个,由于只有一个甩水叶轮,对絮凝反应容器内的液体搅拌效果有限,使得絮凝反应容器内的液体与絮凝剂混合程度受限,洗涤水絮凝净化效果受限。在进水清洗絮凝反应容器时,搅拌电机高速驱动甩水叶轮转动,由于甩水叶轮转动离心力的作用,将进水以一定速度甩到絮凝反应容器内壁进行清洗,但同样由于只有一个甩水叶轮导致甩水高度范围受限,造成对絮凝反应容器的冲洗效率低。
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,提供一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法,能够使洗涤水絮凝反应更充分,且使反应容器清洗更彻底。
为解决上述技术问题,本发明采用技术方案的基本构思是:
一种洗衣机的絮凝搅拌装置,包括反应桶及安装在反应桶内的搅拌桨,搅拌桨包括同轴设置在搅拌轴上的上搅拌桨和下搅拌桨,上搅拌桨与下搅拌桨的桨叶上下重叠;在反应桶顶部设置有循环入口和絮凝剂投放口,在反应桶下部设置有循环出口和排水口,上搅拌桨与下搅拌桨的间距为反应桶整体高度的1/3-1/8。
进一步的,下搅拌桨距离反应桶桶底的距离为反应桶整体高度的1/5-1/10。
进一步的,反应桶中部及上部为直桶,底部为倒锥台形结构。
进一步的,反应桶底部倒锥台形结构的锥面与竖直方向的倾斜角度为α,α在5°~80°之间。
进一步的,上搅拌桨直径D为:D=D-(5~200)mm,下搅拌桨直径D为:D=[D-H/(7tanα)]-(2~150)mm,其中,D为反应桶直径;α为反应桶底部倒锥台形结构的锥面与竖直方向的倾斜角度;H为反应桶整体高度。
进一步的,反应桶前后两侧壁为弧面,左右两侧壁为平面,相互连接的两个侧壁圆滑过渡。
进一步的,在反应桶顶部设置的循环入口和絮凝剂投放口,两者与搅拌轴的距离均小于上搅拌桨半径。循环入口和絮凝剂投放口均设置在相互连接的两个侧壁圆滑过渡处与搅拌轴的连线上。
一种洗衣机,具有前述的絮凝搅拌装置。
一种洗衣机的控制方法,在洗涤水絮凝过程中,将洗衣机洗涤桶内的洗涤水经反应桶的循环入口注入到反应桶内,同时絮凝剂通过絮凝剂投放口投放进入反应桶内,反应桶内的水位达到第一设定水位时搅拌桨转动,反应桶内的水位达到第二设定水位时停止进水。当絮凝剂与洗涤水完成絮凝反应以后,电机停止运行,将絮凝处理后得到的清水重新输送入到洗涤桶内洗涤衣物或者输送到盛水容器中;当反应桶内水下降到第三设定水位以后,排水泵停止运行,将反应后的絮凝物留在反应桶内。
进一步的,在清洗反应桶过程中,通过循环入口和絮凝剂投放口同时向反应桶内注入净水,电机开启使上、下搅拌桨转动,当水位达到第四设定水位后停止进水,搅拌桨在电机的带动下运行一段时间之后,排水口开启,将污水排出反应桶外,完成对反应桶的清洗。
采用上述技术方案后,本发明与现有技术相比具有以下有益效果。
本发明一种洗衣机的絮凝搅拌装置及洗衣机以及洗衣机控制方法,在洗衣机的絮凝搅拌装置中通过设置上下同轴的上搅拌桨和下搅拌桨,且对上搅拌桨和下搅拌桨之间的间距进行限定,使得搅拌桨对反应桶内的洗涤水搅动效果更好,加强絮凝剂与洗涤水的反应。在清洗反应桶时,同时从循环入口和絮凝剂投放口向反应桶内注入净水,循环入口和絮凝剂投放口两者与搅拌轴的距离均小于上搅拌桨半径,使从循环入口和絮凝剂投放口进入的水流下时位于搅拌桨的转动范围内,利用转动的搅拌桨击打从上而下流下的净水,净水经搅拌桨击打甩到反应桶壁上,使得对反应桶的清洗更充分和彻底。上、下搅拌桨将水甩到反应桶的不同高度的内壁上以达到清洗不同高度桶壁的作用。
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是本发明一种洗衣机的絮凝搅拌装置的半剖结构示意图;
图2为搅拌桨及搅拌轴的装配结构示意图;
图3为本发明一种洗衣机的絮凝搅拌装置的外形示意图;
图4为本发明一种洗衣机的絮凝搅拌装置的俯视图;
图5为本发明一种洗衣机的絮凝搅拌装置的半剖结构示意图。
1、反应桶 2、搅拌轴 3、上搅拌桨 4、下搅拌桨 5、循环入口 6、絮凝剂投放口 7、排水口 8、循环出口 9、下支座 10、溢流口 11、反应桶上盖 12、电机。
具体实施方式
实施例一
结合图1、2所示,本发明一种洗衣机的絮凝搅拌装置,包括反应桶1及安装在反应桶1内的搅拌桨,搅拌桨包括同轴设置在搅拌轴2上的上搅拌桨3和下搅拌桨4,上搅拌桨3与下搅拌桨4的桨叶上下重叠,即上搅拌桨3与下搅拌桨4的桨叶之间的偏转角度为0;在反应桶1顶部设置有供洗衣机洗涤桶内的洗涤水进入反应桶的循环入口5和向反应桶内投放絮凝剂的絮凝剂投放口6,循环入口5和絮凝剂投放口6两者与搅拌轴2的距离均小于上搅拌桨半径。洗衣机洗涤桶内的洗涤水通过管道输送自反应桶1顶部的循环入口5进入反应桶1内,絮凝剂自絮凝剂投放口6投入反应桶1内,洗涤水在反应桶1内进行絮凝反应,絮凝净化后的清水从反应桶1下部的循环出口8排出并经管道输送至洗衣机的洗涤桶内,而絮凝物自反应桶1下部的排水口7排出。
为了使反应桶1内的液体更容易的排出,减少桶内残留,反应桶1中部及上部为直桶,反应桶1底部为向下逐渐缩小的结构,底部可以为倒锥台形结构,或者,底部为弧形结构。
如图5所示,反应桶1底部倒锥台形结构的锥面与竖直方向的倾斜角度为α,α在5°~80°之间。
为了使进入反应桶内的液体能得到较为均匀地搅动,使洗涤水能与絮凝剂更好地发生絮凝反应,上搅拌桨3与下搅拌桨4的桨叶数量相同,均采用一至四桨叶结构,在桨叶多于1个时,多个桨叶以搅拌轴为中心均匀设置,桨叶呈竖直设置。
上搅拌桨3与下搅拌桨4的间距为反应桶1整体高度的1/3-1/8。
下搅拌桨4距离反应桶1桶底的距离为反应桶1整体高度的1/5-1/10。
上搅拌桨3的直径D为:D=D-(5~200)mm,
下搅拌桨直径D为:D=[D-H/(7tanα)]-(2~150)mm,
其中,D为反应桶直径;α为反应桶底部倒锥台形结构的锥面与竖直方向的倾斜角度;H为反应桶整体高度。
搅拌桨直径50-500mm,宽度5-100mm;下搅拌桨直径50-400mm,比上搅拌桨直径略小,宽度5-100mm,与上搅拌桨宽度相同。并且上、下搅拌桨纵向间隔10-1000mm,下搅拌桨与反应桶底部距离10-500mm。
以反应桶直径350mm,整体高度400mm为例:上搅拌桨3直径250mm,宽度70mm;下搅拌桨直径范围200mm,宽度范围70mm。并且上、下搅拌桨纵向间隔范围100mm。下搅拌桨与反应桶底部距离范围70mm。
如图3、4所示,反应桶1前后两侧壁为弧面,左右两侧壁为平面,相互连接的两个侧壁圆滑过渡。这样的结构产生四个由圆弧过渡到平面的结构突起,这四个突起将起到提升水流的作用。由搅拌桨带动的水流在流经此四个位置时产生突变,使水流产生向上或向下的作用力,更好的带动水流产生上下涡旋作用,避免了圆形反应桶水流在圆形区域流动,没有力量将水流带动上下流动的现象。
上、下搅拌桨结构及相对位置尺寸,以及反应桶1前后两侧壁为弧面,左右两侧壁为平面,相互连接的两个侧壁圆滑过渡的结构,能够保证反应桶1内最底层的水流向上涡旋,上层的水流向下涡旋,水流能够在两桨的中间位置产生上下搅动,产生大的涡旋,从而使反应桶内的液体流动混合更充分,加强絮凝剂与洗涤水的反应,避免了普通直列式搅拌桨在搅拌时不能使水流产生上下的涡旋搅拌运动。
为了避免干扰,循环入口和絮凝剂投放口均设置在相互连接的两个侧壁圆滑过渡处与搅拌轴的连线上,这样的结构使得循环入口和絮凝剂投放口之间的距离最大。
循环入口5连接净水水源,与絮凝剂投放口6连接的絮凝剂投放装置也连接净水水源,故在清洗反应桶1时,同时从循环入口5和絮凝剂投放口6向反应桶1内注入净水,而循环入口5和絮凝剂投放口6两者与搅拌轴2的距离均小于上搅拌桨半径,是为了使从循环入口5和絮凝剂投放口6进入的水流下时位于搅拌桨的转动范围内,利用转动的搅拌桨击打从上而下流下的净水,净水经搅拌桨击打甩到反应桶壁上,使得对反应桶的清洗更充分和彻底。
实施例二
本实施例中的洗衣机,安装有实施例一所述的洗涤桶和絮凝搅拌装置。在絮凝搅拌装置中通过设置上下同轴的上搅拌桨和下搅拌桨,且对上搅拌桨和下搅拌桨之间的间距进行限定,使得搅拌桨对反应桶内的洗涤水搅动效果更好,加强絮凝剂与洗涤水的反应。在清洗反应桶时,同时从循环入口和絮凝剂投放口向反应桶内注入净水,循环入口和絮凝剂投放口两者与搅拌轴的距离均小于上搅拌桨半径,使从循环入口和絮凝剂投放口进入的水流下时位于搅拌桨的转动范围内,利用转动的搅拌桨击打从上而下流下的净水,净水经搅拌桨击打甩到反应桶壁上,使得对反应桶的清洗更充分和彻底。上、下搅拌桨将水甩到反应桶的不同高度的内壁上以达到清洗不同高度桶壁的作用。
实施例三
本实施例一种洗衣机控制方法,利用实施例二所述的洗衣机实施。
来自洗衣机洗涤桶内的洗涤水经过反应桶1的循环入口5进入到反应桶1内,此时反应桶1的排水口7和循环出口的排水泵是关闭状态,进入反应桶1内的洗涤水不会排出。反应桶1内的液位传感器检测到反应桶1内的水位达到第一设定水位时,电机开动带动搅拌轴2绕一个方向运行或者正反转运行,转速10-1000r/min,同时絮凝剂通过絮凝剂投放口6投放进入反应桶1内,此时循环入口5还保持进水状态,当反应桶1内的液位传感器检测到反应桶1内的水位达到第二设定水位时,停止从洗涤桶向反应桶1进水。电机继续保持运转1-5min,当絮凝剂与洗涤水完成絮凝反应以后,电机停止运行,静止0-5min时间后反应桶1的循环出口8处连接的排水泵开启,将絮凝处理后得到的清水重新输送入到洗涤桶内洗涤衣物或者输送到盛水容器中将清水盛装起来。此时,为了保证絮凝后的絮凝物不能够进入到洗涤桶或者盛水容器中,当水位传感器检测到反应桶内水下降到第三设定水位以后,排水泵停止运行,将反应后的絮凝物留在反应桶1内,在后续清洗反应桶1时从排水口7排出反应桶1外。
在一次洗涤衣物结束时,自动启动冲洗功能,洗涤水(或者自来水)通过循环入口5和絮凝剂投放口6同时开始进入到反应桶1时,电机开启使上、下搅拌桨按照正向或者正反转的状态运转。此时电机转速10-1500r/min。循环入口5和絮凝剂投放口6两者与搅拌轴2的距离均小于上搅拌桨半径,从循环入口5和絮凝剂投放口6进入的水流下时位于搅拌桨的转动范围内,利用转动的搅拌桨击打从上而下流下的净水,净水经搅拌桨击打甩到反应桶壁上,使得对反应桶的清洗更充分和彻底。由于水流是从上向下注入反应桶内,在下落的过程中,上、下搅拌桨将水甩到反应桶1的不同高度的内壁上以达到清洗桶壁的作用,此时排水口7和循环出口8都关闭。
当水位达到第四设定水位后停止进水。搅拌桨在电机的带动下运行一段时间之后,排水口7开启,将污水排出反应桶1外,完成对反应桶1的清洗。
上述实施例中的实施方案可以进一步组合或者替换,且实施例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. 一种洗衣机的絮凝搅拌装置,其特征在于:包括反应桶及安装在反应桶内的搅拌桨,搅拌桨包括同轴设置在搅拌轴上的上搅拌桨和下搅拌桨,上搅拌桨与下搅拌桨的桨叶上下重叠;在反应桶顶部设置有循环入口和絮凝剂投放口,在反应桶下部设置有循环出口和排水口,
    上搅拌桨与下搅拌桨的间距为反应桶整体高度的1/3-1/8。
  2. 根据权利要求1所述的一种洗衣机的絮凝搅拌装置,其特征在于:下搅拌桨距离反应桶桶底的距离为反应桶整体高度的1/5-1/10。
  3. 根据权利要求1所述的一种洗衣机的絮凝搅拌装置,其特征在于:反应桶中部及上部为直桶,底部为倒锥台形结构。
  4. 根据权利要求1所述的一种洗衣机的絮凝搅拌装置,其特征在于:反应桶底部倒锥台形结构的锥面与竖直方向的倾斜角度为α,α在5°~80°之间。
  5. 根据权利要求4所述的一种洗衣机的絮凝搅拌装置,其特征在于:上搅拌桨直径D为:D=D-(5~200)mm,
    下搅拌桨直径D为:D=[D-H/(7tanα)]-(2~150)mm,
    其中,D为反应桶直径;α为反应桶底部倒锥台形结构的锥面与竖直方向的倾斜角度;H为反应桶整体高度。
  6. 根据权利要求4所述的一种洗衣机的絮凝搅拌装置,其特征在于:反应桶前后两侧壁为弧面,左右两侧壁为平面,相互连接的两个侧壁圆滑过渡。
  7. 根据权利要求1所述的一种洗衣机的絮凝搅拌装置,其特征在于:在反应桶顶部设置的循环入口和絮凝剂投放口,两者与搅拌轴的距离均小于上搅拌桨半径,循环入口和絮凝剂投放口均设置在相互连接的两个侧壁圆滑过渡处与搅拌轴的连线上。
  8. 一种洗衣机,其特征在于:具有权利要求1-7任一项所述的絮凝搅拌装置。
  9. 一种洗衣机的控制方法,其特征在于:在洗涤水絮凝过程中,将洗衣机洗涤桶内的洗涤水经反应桶的循环入口注入到反应桶内,同时絮凝剂通过絮凝剂投放口投放进入反应桶内,反应桶内的水位达到第一设定水位时搅拌桨转动,反应桶内的水位达到第二设定水位时停止进水,当絮凝剂与洗涤水完成絮凝反应以后,电机停止运行,将絮凝处理后得到的清水重新输送入到洗涤桶内洗涤衣物或者输送到盛水容器中;当反应桶内水下降到第三设定水位以后,排水泵停止运行,将反应后的絮凝物留在反应桶内。
  10. 根据权利要求9所述的一种洗衣机的控制方法,其特征在于:在清洗反应桶过程中,通过循环入口和絮凝剂投放口同时向反应桶内注入净水,电机开启使上、下搅拌桨转动,当水位达到第四设定水位后停止进水,搅拌桨在电机的带动下运行一段时间之后,排水口开启,将污水排出反应桶外,完成对反应桶的清洗。
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