WO2015172641A1 - 波轮洗衣机 - Google Patents

波轮洗衣机 Download PDF

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Publication number
WO2015172641A1
WO2015172641A1 PCT/CN2015/077580 CN2015077580W WO2015172641A1 WO 2015172641 A1 WO2015172641 A1 WO 2015172641A1 CN 2015077580 W CN2015077580 W CN 2015077580W WO 2015172641 A1 WO2015172641 A1 WO 2015172641A1
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WIPO (PCT)
Prior art keywords
washing machine
casing
photosensor
machine according
washing tub
Prior art date
Application number
PCT/CN2015/077580
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English (en)
French (fr)
Inventor
康菲
吴刚
殷培杰
Original Assignee
无锡小天鹅股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201410210322.9A external-priority patent/CN105088683A/zh
Priority claimed from CN201420254584.0U external-priority patent/CN203890737U/zh
Application filed by 无锡小天鹅股份有限公司 filed Critical 无锡小天鹅股份有限公司
Publication of WO2015172641A1 publication Critical patent/WO2015172641A1/zh

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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
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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
    • D06F23/00—Washing 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 
    • D06F23/04—Washing 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
    • 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 
    • 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
    • D06F2103/24—Spin speed; Drum movements

Definitions

  • the invention relates to the field of laundry, and in particular to a pulsator washing machine.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, it is an object of the present invention to provide a pulsator washing machine that accurately monitors the weight change of the washing tub in real time.
  • a pulsator washing machine includes: a casing; a washing tub, the washing tub is rotatably disposed in the casing; and a photoelectric sensor, the photoelectric sensor is disposed at a bottom wall of the washing tub and Between the inner bottom walls of the case, the photosensor is configured to output an electrical signal when the weight of the wash tub changes, wherein the photosensor includes an elastic member; a control device, the control device and the control device The photosensors are coupled to receive electrical signals from the photosensors.
  • the photoelectric sensor is configured to output an electric signal when the weight of the washing tub changes, the control device The change in weight of the washing tub can be judged based on the electric signal, so that the weight change of the washing tub can be monitored more accurately in real time to control the smoother operation of the pulsator washing machine.
  • pulsator washing machine may further have the following additional technical features:
  • the photosensor includes: an upper case and a lower case, and the upper case and the lower case are connected by an elastic member such that the upper case and the upper case
  • the lower casings are movable relative to each other; the light emitting end and the light receiving end, the light emitting end and the light receiving end are disposed on one of the upper casing and the lower casing; a light reflecting surface, The light reflecting surface is disposed on the other of the upper case and the lower case to reflect light emitted from the light emitting end back to the light receiving end.
  • both ends of the elastic member respectively abut against the lower surface of the upper casing and the upper surface of the light reflecting surface.
  • the elastic member is a spring.
  • the bottom end of the upper housing is open, the top end of the lower housing is open, and the upper housing outer cover is on the lower housing.
  • the pulsator washing machine further includes a first connector, the upper housing being coupled to the bottom wall of the wash tub by a first connector.
  • the first connector is formed as a hollow cylindrical member.
  • the pulsator washing machine further includes a second connector, the lower housing being coupled to the inner bottom wall of the case by a second connector.
  • the second connector is formed as a hollow cylindrical member.
  • the photosensor further includes a photosensor wire coupled to the control device.
  • FIG. 1 is a schematic view of a pulsator washing machine in accordance with an embodiment of the present invention
  • Figure 2 is an enlarged schematic view of a portion A of Figure 1;
  • FIG. 3 is a schematic diagram of a photosensor in accordance with an embodiment of the present invention.
  • the casing 10 The casing 10, the body 101, the upper cover 102, the base 103, the cover 104,
  • Photoelectric sensor 4 light emitting end 41, light receiving end 42, elastic member 43, light reflecting surface 44, lower case 45, upper case 46,
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood on a case-by-case basis.
  • a pulsator washing machine 1000 according to an embodiment of the present invention will now be described with reference to Figs.
  • a pulsator washing machine 1000 includes a case 10, a washing tub 1, a photosensor 4, and a control device (not shown).
  • the top of the cabinet 10 is provided with a storage opening (not shown) for holding and taking the laundry.
  • the washing tub 1 is rotatably provided in the casing 10, and the washing tub 1 contains laundry and water. When the weight of the laundry and the water changes, the weight of the washing tub 1 changes.
  • the photosensor 4 is disposed between the bottom wall of the washing tub 1 and the inner bottom wall of the cabinet 10, and the photosensor 4 is configured to output an electric signal when the weight of the washing tub 1 is changed.
  • the photosensor 4 comprises an elastic member, that is to say, the photosensor 4 is provided with an elastic member.
  • the control device is coupled to the photosensor 4 to receive an electrical signal from the photosensor 4.
  • the electrical signal may be voltage, current, frequency, PWM (pulse width), or the like.
  • photosensor 4 further includes a photosensor wire (not shown) that is coupled to the control device. Thereby, the photosensor 4 is connected to the control device.
  • other structures such as a drive motor are also provided in the casing 10.
  • the washing principle of the pulsator washing machine 1000 and the like are well known to those skilled in the art and will not be described in detail herein.
  • the weight of the washing tub 1 can be directly transmitted to the photosensor 4, so the photosensor 4 can be washed in real time according to the washing
  • the weight change of the tub 1 outputs an electrical signal, which can accurately reflect the weight change of the washing tub 1, and the control device receives the electrical signal transmitted from the photosensor 4 to determine whether the weight of the washing tub 1 has changed.
  • the control device can perform functions such as accurate weighing of the laundry on the pulsator washing machine 1000 based on the received electrical signals.
  • control device may perform the following determination according to the electrical signal output by the photoelectric sensor 4: after the completion of the washing, when the drain valve is opened, the weight of the washing tub 1 is reduced as the water in the washing tub 1 is discharged, and the drainage flow rate of the drain valve does not change much, The value outputted by the photosensor 4 is also a downward linear curve; after the water in the washing tub 1 is drained, the weight of the washing tub 1 does not change, and the photoelectric sensor 4 outputs a straight line close to the horizontal.
  • the dehydration action can be started immediately.
  • This method of judging is more accurate than the existing water level photoelectric sensor judging method, and the water in the washing tub 1 can be immediately sensed after being discharged, and dehydration can be started immediately, which can reduce the washing time. It is of course to be understood that the control device can also judge other operations of the washing tub 1 according to the collected weight change of the washing tub 1, which will not be described in detail herein.
  • the pulsator washing machine 1000 by providing the photosensor 4 between the bottom wall of the washing tub 1 and the inner bottom wall of the casing 10, the photosensor 4 is configured to change when the weight of the washing tub 1 changes
  • the electric signal is output, and the control device can judge the weight change of the washing tub 1 based on the electric signal, so that the weight change of the washing tub 1 can be monitored more accurately in real time to control the smooth running of the pulsator washing machine 1000.
  • a pulsator washing machine 1000 in accordance with an embodiment of the present invention will now be described with reference to Figs.
  • the pulsator washing machine 1000 includes a casing 10, a washing tub 1, a photoelectric sensor 4, and a control device.
  • the housing 10 includes a body 101, an upper cover 102 and a base 103.
  • the body 101 is a hollow and open upper and lower ends.
  • the upper cover 102 is disposed at the upper end of the body 101, and the top of the upper cover 102 is provided with a storage opening.
  • the cover 102 is further provided with a cover 104 for opening or closing the storage opening.
  • the base 103 is disposed at the lower end of the body 101.
  • the upper cover 102, the body 101 and the base 103 define a space for holding the washing tub 1.
  • a foot 60 is provided at each corner of the bottom wall of the base 103.
  • the washing tub 1 includes a tub 20 and a dewatering tub 30, and the dewatering tub 30 is rotatably provided in the tub 20.
  • the water tub 20 is connected to the inner wall of the box body 10 through four hanging booms 50, and each of the hanging booms 50 is connected to the box body 10 and the water tub 20 by a spherical joint, so that the washing tub 1 can be in the cabinet. Swing within 10.
  • the buffer spring 501 and the air damping sleeve 502 inside each of the suspension booms 50 have a certain buffer absorption effect on the energy of the tub 20, and can ensure the smoothness of the washing tub 1.
  • the photosensor 4 includes an upper casing 46, a lower casing 45, a light emitting end 41, a light receiving end 42, and a light reflecting surface 44, wherein the bottom end of the upper casing 46 is open, and the top end of the lower casing 45 is open, the upper casing
  • the body 46 is housed on the lower housing 45.
  • the upper housing 46 and the lower housing 45 are connected by a spring 43 such that the upper housing 46 and the lower housing 45 can move up and down relatively, that is, the upper housing 46 can move up and down relative to the lower housing 45.
  • the lower housing 45 is movable up and down relative to the upper housing 46.
  • the top wall of the upper casing 46 is connected to the bottom wall of the washing tub 1, and the bottom wall of the lower casing 45 is connected to the inner bottom wall of the casing 10.
  • the upper casing 46 is movable up and down with respect to the lower casing 45 by the gravity of the washing tub 1.
  • the upper casing 46 is connected to the bottom wall of the washing tub 1 through the first connecting member 5.
  • the first connecting member 5 is formed as a hollow cylindrical member.
  • the lower casing 45 is connected to the inner bottom wall of the casing 10 through the second connecting member 6.
  • the second connecting piece 6 is formed as a hollow cylindrical member. It is of course understood that the first connecting piece 5 and the second connecting piece 6 can also be formed in other shapes. Thereby, the photosensor 4 is easily connected to the bottom wall of the washing tub 1 and the inner bottom wall of the casing 10, and the volume of the photosensor 4 can be reduced.
  • the spring 43 is a linear spring having a spring constant. Both ends of the spring 43 are respectively abutted against the lower surface of the upper casing 46 and the upper surface of the light reflecting surface 44.
  • the upper casing 46 and the lower casing 45 may be connected by other elastic members, and the elastic members may also be connected to the upper casing 46 and the lower casing 45 by other means, the upper casing 46 and The shape of the lower case 45, the fitting relationship between the upper case 46 and the lower case 45 are not limited thereto as long as the upper case 46 and the lower case 45 are relatively movable.
  • the light emitting end 41 and the light receiving end 42 are provided on the upper casing 46.
  • the light reflecting surface 44 is provided on the lower casing 45 to reflect the light emitted from the light emitting end 41 back to the light receiving end 42. It is of course understood that the light emitting end 41 and the light receiving end 42 may also be disposed on the lower casing 45, and the light reflecting surface 44 is disposed on the upper casing 46 to reflect light, that is, the light emitting end 41 and the light receiving end 42.
  • a light reflecting surface 44 is provided on the other of the upper casing 46 and the lower casing 45 to reflect the light emitted from the light emitting end 41 back to the light receiving end. 42.
  • the photoelectric sensor 4 is further provided with a control component such as a control panel connected to the light receiving end 42 , and the control component can convert the optical signal received from the light receiving end 42 into an electrical signal, the electrical signal and the light reflecting surface.
  • a control component such as a control panel connected to the light receiving end 42 , and the control component can convert the optical signal received from the light receiving end 42 into an electrical signal, the electrical signal and the light reflecting surface.
  • the distance d between the 44 and the light emitting end 41 (light receiving end 42) is in a corresponding relationship, preferably a linear correspondence.
  • the light emitted from the light emitting end 41 is reflected back to the light receiving end 42 by the light reflecting surface 44.
  • the weight of the clothes and water in the washing machine 1000 changes, and the shape of the spring 43 is changed.
  • the variable is simultaneously changed, the upper casing 46 is moved relative to the lower casing 45, and the distance d between the light reflecting surface 44 and the light emitting end 41 and the light receiving end 42 is changed, that is, reflected by the light reflecting surface 44 to the light receiving end 42.
  • the optical signal changes such that the electrical signal transmitted from the photosensor 4 changes such that the electrical signal can accurately reflect the weight change of the pulsator washing machine 1000.
  • the weight of the laundry and the water in the washing machine increases, the weight of the washing tub 1 increases, the washing tub 1 sinks together with the hanging boom 50, and the distance between the bottom wall of the washing tub 1 and the base 103 decreases, and the inside of the photoelectric sensor 4
  • the shape variable of the spring 43 is then reduced.
  • the reduction in the shape of the spring 43 causes the distance d between the light reflecting surface 44 and the light emitting end 41 and the light receiving end 42 to decrease.
  • the pulsator washing machine 1000 according to an embodiment of the present invention has the following advantages:
  • control device can instantly sense the weight of the washing tub 1, and instantly determine whether the working state of the washing machine 1000 is normal;
  • the dehydration imbalance can be more accurately perceived (for example, a plurality of photosensors 4 are provided at the bottom of the washing tub 1 to detect weight changes at different positions), and the control device can adjust according to the sensed values;
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

一种波轮洗衣机，包括：箱体、洗涤桶、光电传感器和控制装置。洗涤桶可转动地设在箱体内。光电传感器设在洗涤桶的底壁和箱体的内底壁之间，光电传感器被构造成在洗涤桶的重量发生变化时输出电信号，其中，所述光电传感器包括弹性件。控制装置与光电传感器相连以接收光电传感器传出的电信号。

Description

波轮洗衣机 技术领域
本发明涉及洗衣领域，尤其是涉及一种波轮洗衣机。
背景技术
波轮洗衣机在使用的过程中，不同的进水量和不同的洗衣量均会造成波轮洗衣机的重量的不同，同时波轮洗衣机在洗涤过程中，在漂洗阶段和脱水甩干阶段，波轮洗衣机的重量也会发生变化，相关技术中的波轮洗衣机均未能够对波轮洗衣机的重量进行实时的检测，从而无法根据波轮洗衣机的重量变化情况控制和判断波轮洗衣机的运行过程。
发明内容
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明的一个目的在于提出一种波轮洗衣机，精确地实时监测洗涤桶的重量变化。
根据本发明实施例的波轮洗衣机，包括：箱体；洗涤桶，所述洗涤桶可转动地设在所述箱体内；光电传感器，所述光电传感器设在所述洗涤桶的底壁和所述箱体的内底壁之间，所述光电传感器被构造成在所述洗涤桶的重量发生变化时输出电信号，其中，所述光电传感器包括弹性件；控制装置，所述控制装置与所述光电传感器相连以接收所述光电传感器传出的电信号。
根据本发明实施例的波轮洗衣机，通过将光电传感器设在洗涤桶的底壁和箱体的内底壁之间，光电传感器被构造成在洗涤桶的重量发生变化时输出电信号，控制装置可以根据电信号判断洗涤桶的重量变化，从而可以更精确地实时监测洗涤桶的重量变化，以控制波轮洗衣机更平稳地运行。
另外，根据本发明上述实施例的波轮洗衣机还可以具有如下附加的技术特征：
在本发明的具体实施例中，所述光电传感器包括：上壳体和下壳体，所述上壳体和所述下壳体之间通过弹性件相连以使得所述上壳体和所述下壳体之间可相对上下移动；光发射端和光接收端，所述光发射端和所述光接收端设在所述上壳体和所述下壳体的其中一个上；光反射面，所述光反射面设在所述上壳体和所述下壳体的另一个上以将从所述光发射端发出的光线反射回所述光接收端。从而使得光电传感器的结构简单，且可精确检测。
具体地，所述弹性件的两端分别止抵在所述上壳体的下表面和所述光反射面的上表面上。
优选地，所述弹性件为弹簧。
在本发明的一些示例中，所述上壳体的底端敞开，所述下壳体的顶端敞开，所述上壳体外罩在所述下壳体上。从而使得光电传感器的结构简单。
在本发明的进一步实施例中，波轮洗衣机还包括第一连接件，所述上壳体通过第一连接件与所述洗涤桶的底壁相连。
可选地，所述第一连接件形成为中空的圆筒件。
在本发明的进一步实施例中，波轮洗衣机还包括第二连接件，所述下壳体通过第二连接件与所述箱体的内底壁相连。
可选地，所述第二连接件形成为中空的圆筒件。
在本发明的一些实施例中，所述光电传感器还包括与所述控制装置相连的光电传感器导线。
附图说明
图1为根据本发明实施例的波轮洗衣机的示意图；
图2为图1中A部分的放大示意图；
图3为根据本发明实施例的光电传感器的示意图。
附图标记：
波轮洗衣机1000、
箱体10、本体101、上盖102、底座103、盖板104、
洗涤桶1、盛水桶20、脱水桶30、
底脚60、悬挂吊杆50、缓冲弹簧501、空气阻尼套502
光电传感器4、光发射端41、光接收端42、弹性件43、光反射面44、下壳体45、上壳体46、
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便 于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下面参考图1-图3描述根据本发明实施例的波轮洗衣机1000。
如图1所示，根据本发明实施例的波轮洗衣机1000包括：箱体10、洗涤桶1、光电传感器4和控制装置(图未示出)。箱体10的顶部设有用于盛放和拿取衣物的盛放口(图未示出)。洗涤桶1可转动地设在箱体10，洗涤桶1内盛放有衣物和水，当衣物和水的重量发生变化时，洗涤桶1的重量会发生变化。光电传感器4设在洗涤桶1的底壁和箱体10的内底壁之间，光电传感器4被构造成在洗涤桶1的重量发生变化时输出电信号。这里需要注意的是，光电传感器4包括弹性件，也就是说，光电传感器4自带有弹性件。
控制装置与光电传感器4相连以接收光电传感器4传出的电信号。具体地，电信号可以是电压、电流、频率、PWM(脉冲宽度)等。在发明的一些示例中，光电传感器4还包括与控制装置相连的光电传感器导线(图未示出)。从而便于光电传感器4与控制装置相连。需要进行说明的是，箱体10内还设有驱动电机等其他结构，波轮洗衣机1000的洗衣原理等均为本领域的技术人员所熟知，这里就不详细描述。
具体而言，由于光电传感器4设在洗涤桶1的底壁和箱体10的内底壁之间，因此洗涤桶1的重量可以直接传递到光电传感器4上，因此光电传感器4可以实时根据洗涤桶1的重量变化输出电信号，电信号可以准确地反应洗涤桶1的重量变化，控制装置接收光电传感器4传出的电信号判断洗涤桶1的重量是否发生变化。例如具体地，控制装置可以根据接收的电信号在波轮洗衣机1000上实现衣物的精准称重等功能。
再例如控制装置可以根据光电传感器4输出的电信号进行如下判断：洗涤完成之后，排水阀打开时，随着洗涤桶1内水排出，洗涤桶1重量减轻，由于排水阀排水流速变化不大，光电传感器4输出的值也为向下的线性曲线；当洗涤桶1内水排完之后，洗涤桶1重量不再变化，光电传感器4输出为接近水平的直线。当控制器采集到的数据值不再发生变化或变化很小时，即判断波轮洗衣机排水完成，即可立即开始进行脱水动作。用这种判断方法比现有的水位光电传感器判断方法更准确，洗涤桶1内水排完立刻就能感知到，即刻就能开始脱水，可以减少洗涤时间。当然值得理解的是，控制装置还可以根据采集到的洗涤桶1的重量变化判断洗涤桶1的其他运行，这里就不详细描述。
根据本发明实施例的波轮洗衣机1000，通过将光电传感器4设在洗涤桶1的底壁和箱体10的内底壁之间，光电传感器4被构造成在洗涤桶1的重量发生变化时输出电信号，控制装置可以根据电信号判断洗涤桶1的重量变化，从而可以更精确地实时监测洗涤桶1的重量变化，以控制波轮洗衣机1000更平稳地运行。
下面参考图1-图3描述根据本发明具体实施例的波轮洗衣机1000。
如图1所示，波轮洗衣机1000包括箱体10、洗涤桶1、光电传感器4和控制装置。
箱体10包括本体101、上盖102和底座103，本体101为中空且上下两端均敞开的壳体，上盖102设在本体101的上端，上盖102的顶部设有盛放口，上盖102上还设有用于打开或关闭盛放口的盖板104，底座103设在本体101的下端，上盖102、本体101和底座103之间限定出用于盛放洗涤桶1的空间。底座103的底壁的每个拐角处设有底脚60。
洗涤桶1包括盛水桶20和脱水桶30，脱水桶30可转动地设在盛水桶20内。盛水桶20通过四个悬挂吊杆50与箱体10的内壁相连，每个悬挂吊杆50与箱体10以及盛水桶20之间分别通过球面铰接的方式连接，使得洗涤桶1可以在箱体10内摆动。每个悬挂吊杆50内部的缓冲弹簧501及空气阻尼套502对盛水桶20的能量有一定的缓冲吸收作用，能够保证洗涤桶1的平稳。
光电传感器4包括：上壳体46、下壳体45、光发射端41、光接收端42和光反射面44，其中，上壳体46的底端敞开，下壳体45的顶端敞开，上壳体46外罩在下壳体45上。
上壳体46和下壳体45之间通过弹簧43相连以使得上壳体46和下壳体45之间可相对上下移动，也就是说，上壳体46可相对下壳体45上下移动，下壳体45可相对上壳体46上下移动。上壳体46的顶壁与洗涤桶1的底壁相连，下壳体45的底壁与箱体10的内底壁相连。当洗涤桶1的重量发生变化时，在洗涤桶1的重力作用下，上壳体46可相对下壳体45上下移动。
如图1和图2所示，上壳体46通过第一连接件5与洗涤桶1的底壁相连。第一连接件5形成为中空的圆筒件。下壳体45通过第二连接件6与箱体10的内底壁相连。第二连接件6形成为中空的圆筒件。当然值得理解的是，第一连接件5和第二连接件6还可以形成为其他形状。从而便于光电传感器4与洗涤桶1的底壁和箱体10的内底壁相连，且可以减小光电传感器4的体积。
弹簧43为具有弹性系数的线性弹簧。弹簧43的两端分别止抵在上壳体46的下表面和光反射面44的上表面上。其中值得理解的是，上壳体46和下壳体45之间还可以是通过其他弹性件相连，弹性件也可以通过其他方式与上壳体46和下壳体45相连，上壳体46和下壳体45的形状、上壳体46和下壳体45之间的配合关系不限于此，只要使得上壳体46和下壳体45之间可相对移动即可。
光发射端41和光接收端42设在上壳体46上。光反射面44设在下壳体45上以将从光发射端41发出的光线反射回光接收端42。当然值得理解的是，光发射端41和光接收端42还可以设在下壳体45上，光反射面44设在上壳体46上以反射光线，也就是说，光发射端41和光接收端42设在上壳体46和下壳体45的其中一个上，光反射面44设在上壳体46和下壳体45的另一个上以将从光发射端41发出的光线反射回光接收端42。值得理解的是，光电传感器4内还设有与光接收端42相连的控制面板等控制元件，控制元件可将从光接收端42接收的光信号转化为电信号，该电信号与光反射面44和光发射端41(光接收端42)之间的距离d成对应关系，优选为线性对应关系。
具体而言，光发射端41发出的光线被光反射面44反射回光接收端42内，当波轮洗衣机1000内衣服和水的重量改变时，洗涤桶1的重量发生变化，弹簧43的形变量同时发生变化，上壳体46相对下壳体45移动，光反射面44与光发射端41和光接收端42之间的距离d发生变化，即被光反射面44反射到光接收端42的光信号发生变化，从而使得从光电传感器4传输出的电信号发生变化，使得电信号可以准确地反应波轮洗衣机1000整机重量变化。
例如当洗衣机内衣物和水的重量增加时，洗涤桶1的重量增加，洗涤桶1随悬挂吊杆50一起下沉，洗涤桶1的底壁与底座103的距离减小，光电传感器4内的弹簧43的形变量随之减小。弹簧43的形变量减小导致光反射面44与光发射端41及光接收端42之间的距离d减小。
根据本发明实施例的波轮洗衣机1000具有以下几个优点：
1.通过设置光电传感器4，控制装置可以即时感测洗涤桶1的重量，即时判断波轮洗衣机1000工作状态是否正常；
2.可以直接感知排水完成，立即开始排水，节省整个洗涤过程的时间；
3.可以更精准感知脱水不平衡(例如在洗涤桶1的底部设有多个光电传感器4以检测不同位置的重量变化)，控制装置可根据感测的数值进行调整；
4.可以感测衣物的重量，实现不同衣量进不同水量；
5.可以感知衣物脱水含水率，实现衣物含水率达到要求即停止脱水，比现有的固定时间脱水更智能，更可以保证脱水完成之后衣物含水率达到用户要求。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种波轮洗衣机，其特征在于，包括：
    箱体；
    洗涤桶，所述洗涤桶可转动地设在所述箱体内；
    光电传感器，所述光电传感器设在所述洗涤桶的底壁和所述箱体的内底壁之间，所述光电传感器被构造成在所述洗涤桶的重量发生变化时输出电信号，其中，所述光电传感器包括弹性件；
    控制装置，所述控制装置与所述光电传感器相连以接收所述光电传感器传出的电信号。
  2. 根据权利要求1所述的波轮洗衣机，其特征在于，所述光电传感器包括：
    上壳体和下壳体，所述上壳体和所述下壳体之间通过弹性件相连以使得所述上壳体和所述下壳体之间可相对上下移动；
    光发射端和光接收端，所述光发射端和所述光接收端设在所述上壳体和所述下壳体的其中一个上；
    光反射面，所述光反射面设在所述上壳体和所述下壳体的另一个上以将从所述光发射端发出的光线反射回所述光接收端。
  3. 根据权利要求2所述的波轮洗衣机，其特征在于，所述弹性件的两端分别止抵在所述上壳体的下表面和所述光反射面的上表面上。
  4. 根据权利要求2所述的波轮洗衣机，其特征在于，所述弹性件为弹簧。
  5. 根据权利要求2所述的波轮洗衣机，其特征在于，所述上壳体的底端敞开，所述下壳体的顶端敞开，所述上壳体外罩在所述下壳体上。
  6. 根据权利要求2所述的波轮洗衣机，其特征在于，还包括第一连接件，所述上壳体通过第一连接件与所述洗涤桶的底壁相连。
  7. 根据权利要求6所述的波轮洗衣机，其特征在于，所述第一连接件形成为中空的圆筒件。
  8. 根据权利要求2或6所述的波轮洗衣机，其特征在于，还包括第二连接件，所述下壳体通过第二连接件与所述箱体的内底壁相连。
  9. 根据权利要求8所述的波轮洗衣机，其特征在于，所述第二连接件形成为中空的圆筒件。
  10. 根据权利要求1所述的波轮洗衣机，其特征在于，所述光电传感器还包括与所述控制装置相连的光电传感器导线。
PCT/CN2015/077580 2014-05-16 2015-04-27 波轮洗衣机 WO2015172641A1 (zh)

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