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WO2018001221A1 - 用于家电的操作显示装置及洗衣机 - Google Patents

用于家电的操作显示装置及洗衣机 Download PDF

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Publication number
WO2018001221A1
WO2018001221A1 PCT/CN2017/090174 CN2017090174W WO2018001221A1 WO 2018001221 A1 WO2018001221 A1 WO 2018001221A1 CN 2017090174 W CN2017090174 W CN 2017090174W WO 2018001221 A1 WO2018001221 A1 WO 2018001221A1
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Prior art keywords
substrate
hole
touch
light
filter film
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PCT/CN2017/090174
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English (en)
French (fr)
Inventor
杨林
朱国防
刘尊安
纪虎
逯迎
庄儒营
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青岛海尔洗衣机有限公司
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Publication of WO2018001221A1 publication Critical patent/WO2018001221A1/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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 

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  • the present disclosure relates to the field of home appliance control and manufacturing, and, for example, relates to an operation display device for a home appliance and a washing machine.
  • the operation display devices formed by capacitive touch buttons have been widely used.
  • the operation display device formed by the capacitive touch button can ensure the integrity of the product structure and improve the moisture resistance of the product; the operation display device formed by the capacitive touch button does not involve the mechanical life problem, and ensures the long-term reliability of the button.
  • the capacitive touch button operation display device in the related art has a complicated structure, the assembly structure of the light-emitting device used is complicated, the production cost is high, and it is not conducive to mass production, and the illumination area is difficult to control, so that the function symbol display effect on the panel is not it is good.
  • An operation display device and a washing machine for a home appliance have the characteristics of simple assembly structure, easy processing, and capable of displaying a plurality of function symbols.
  • An operation display device for a home appliance comprising: an operation panel, a touch diaphragm, and a light-emitting device, wherein
  • a function symbol is provided on the operation panel, and the operation panel has a surface for use as a touch-sensitive manipulation.
  • a touch film is disposed under the operation panel; and a touch panel corresponding to the operation panel surface, the capacitance between the sensor electrodes on the touch diaphragm corresponding to the overlapping of the function symbols is changed,
  • the illuminating device is mounted on a side of the touch diaphragm away from the operation panel. After the illuminating device is lit, the light passes through the touch diaphragm, and the plurality of function symbols can be distinguished from each other.
  • the illuminating device comprises a substrate, a printed circuit board PCB and a filter film, the substrate is provided with a plurality of mutually spaced through holes, the upper opening of the through hole corresponding to a function symbol to be illuminated; a filter film attached to an upper surface of the substrate, wherein the filter film is disposed corresponding to a region of the opening of the through hole In the light-transmitting region, the filter film has an opaque region except the region corresponding to the opening of the through hole; the PCB is mounted on the lower surface of the substrate, and the illuminant is mounted on the lower opening portion of the corresponding hole of the PCB.
  • the filter film is a light-transmissive film made of plastic only corresponding to an opening area of the through hole, having light scattering effect, and the filter film is connected to the display by gluing.
  • the upper surface of the substrate of the light source is not limited to plastic, glass, and ceramic.
  • the substrate is integrally injection molded, and the upper surface of the substrate is parallel to the lower surface.
  • the touch film is a transparent indium tin oxide ITO conductive film, and one or more of the sensor electrodes are etched on the ITO plating layer on the transparent ITO conductive film.
  • a cross-sectional area of the upper opening of the through hole is larger than a cross-sectional area of the lower opening.
  • the through hole has an inverted cross section.
  • a plurality of LEDs are mounted in each of the through holes as the illuminants.
  • the operation panel is a glass panel, and functional symbols are printed on the glass panel.
  • the function symbol is printed on a lower surface of the glass panel, and can be displayed on the upper surface of the glass panel by the light emitting device.
  • a washing machine having an operation display device as described in any of the foregoing.
  • An operation display device for a home appliance includes an operation panel, a touch film, and a light-emitting device.
  • the light-emitting device includes a substrate, a PCB, and a filter film.
  • the substrate is provided with a plurality of spaced-apart through holes, and the through holes are The upper opening corresponds to the function symbol to be illuminated;
  • the filter film is attached to the upper surface of the substrate, and the filter film is disposed as a light-transmitting area corresponding to the opening of the through-hole, and the filter film
  • the area corresponding to the opening of the through hole is an opaque area;
  • the PCB is mounted on the lower surface of the substrate, and the illuminant is mounted on the lower opening portion of the corresponding hole of the PCB, and the whole device is convenient to process and convenient to assemble, and through the through hole and
  • the attached filter diaphragm can control the illumination range and can play a condensing effect with a good function symbol display effect.
  • FIG. 1 is a schematic overall view of an operation display device for a home appliance according to an embodiment
  • FIG. 2 is an exploded view of an operation display device for a home appliance in an embodiment
  • FIG. 3 is a schematic view showing the assembly structure of a light-emitting device in an embodiment.
  • FIGS. 1 to 3 An embodiment of an operation display device for a home appliance is shown in FIGS. 1 to 3.
  • the device may be disposed in a washing machine, and the operation display device for the home appliance includes: an operation panel and a touch film. Sheet 3 and illuminating device.
  • the operation panel is provided with a function symbol 2
  • the operation panel has a surface that is touch-sensitively manipulated.
  • the touch diaphragm 3 is disposed below the operation panel. Touching the surface of the operation panel corresponding to the function symbol 2, the capacitance between the sensor electrodes 11 on the touch film 3 corresponding to the function symbols 2 can be changed.
  • a light-emitting device is mounted on a side of the touch diaphragm 3 remote from the operation panel, and after the light-emitting device is turned on, light passes through the touch diaphragm 3, and a plurality of function symbols can be distinguished from each other.
  • the illuminating device comprises a substrate 7, a printed circuit board (PCB) 9 and a filter film 4, wherein the substrate 7 is provided with a plurality of mutually spaced through holes 8, and the upper opening of the through hole 8 corresponds to the desired photo Bright function symbol.
  • the filter film 4 is attached to the upper surface of the substrate 7, and the filter film 4 is disposed as a light-transmitting region corresponding to the opening of the through-hole, and the filter film is an opaque region except for the region corresponding to the opening of the through-hole.
  • the PCB 9 is mounted on the lower surface of the substrate 7, and an illuminant is mounted on the lower opening portion of the PCB corresponding to the through hole 8. 1 is an overall schematic view of a barrel cover of the device.
  • the front side of the glass panel 1 serves as an operation panel.
  • one or more function symbols 2 are provided on the operation panel, and the function symbol 2 can be Representing laundry procedures, such as “common”, “quick wash”, “standard”, “home textile”, etc., can also represent functions such as “drying”, “water retention”, “detergent”, etc., and can also represent such as “water level”. “soaking”, “washing”, “rinsing”, “dehydration” and other parameters.
  • the function symbol 2 may be screen printed on the lower surface of the glass panel 1, and a plating layer may be disposed between the function symbol 2 and the glass panel 1. The user may not see the content of the function symbol through the upper surface of the operation panel.
  • FIG. 2 shows an exploded view of the operation display device.
  • a capacitive sensor touch diaphragm also referred to as a touch diaphragm
  • the touch diaphragm 3 may be a transparent indium tin oxide (ITO) conductive film, and one or more sensor electrodes 11 are etched on the ITO plating layer on the transparent ITO conductive film. Touching the upper surface of the glass panel 1 corresponding to the function symbol 2, the capacitance of the sensor electrode on the touch diaphragm 3 corresponding to the function symbol overlap can be changed, and the changed capacitance value can be output to the control circuit connected to the sensor electrode. control signal.
  • ITO indium tin oxide
  • the touch film 3 is mounted on the side of the operation panel away from the side of the operation panel. After the illumination device is illuminated, the light passes through the touch film 3, and the plurality of function symbols 2 can be distinguished to facilitate user operation.
  • the light emitting device includes a substrate 7, a PCB 9, and a filter film 4.
  • the substrate 7 is provided with one or more spaced-apart vias 8 , the upper opening of which corresponds to the functional symbol 2 to be illuminated by the through-hole.
  • the filter film 4 is attached to the upper surface of the substrate 7.
  • the filter film 4 can be attached to the upper surface of the substrate 7 by means of an adhesive.
  • the sheet 4 is disposed as a light-transmitting region 5 corresponding to the opening portion of the through hole, and the portion of the substrate 7 excluding the through hole 8 is the opaque region 6.
  • the PCB 9 is mounted on the lower surface of the substrate 7, and the illuminant 10 is mounted on the lower opening area of the PCB 9 corresponding to the through hole.
  • the cross-sectional area of the upper opening of the through hole 8 is larger than the cross-sectional area of the lower opening of the through hole 8, and such a design is advantageous in enlarging the irradiation area.
  • the light source of the illuminator is condensed.
  • the longitudinal section of the through hole 8 may be set to an inverted trapezoidal shape, that is, as described in FIG. 3, the cross-sectional length of the lower opening of the through hole is smaller than the section length of the upper opening of the through hole.
  • the filter film 4 may be a light-transmissive film made of plastic only corresponding to the opening area of the through-hole, and has a light scattering effect to make the transmitted light uniform and soft.
  • the substrate 7 can be integrally injection molded, and the upper surface and the lower surface of the substrate 7 can be parallel, which facilitates the bonding of the filter film 4 and the positioning and mounting of the PCB.
  • Each of the through holes 8 can be mounted with a plurality of light emitting diodes (LEDs) 10 as illuminants according to the illuminating area of the openings, and the LEDs 10 can be packaged in a chip package, which reduces the size of the device and reduces the production cost. Conducive to manufacturing.
  • LEDs light emitting diodes
  • the above operation display device can be applied to other home appliances (eg, water heaters, televisions) as a control panel, in addition to the washing machine described in this embodiment.
  • home appliances eg, water heaters, televisions
  • the three components of the substrate 7, the filter film 4 and the PCB 9 can be assembled in parallel, the assembly joint surfaces are all flat, the substrate can be integrally formed, and the whole molding process can be performed, and the LED 10 is packaged in a chip type, and multiple parts are processed. Convenient and easy to assemble, reducing the cost of processing and assembly. Through the through hole and the attached filter diaphragm, the illumination range can be controlled and the function of collecting light can be achieved, and the function symbol display effect is good.
  • the utility model relates to an operation display device for household appliances and a washing machine, which has the characteristics of simple assembly structure and easy processing.

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

Abstract

一种用于家电的操作显示装置和洗衣机，其中，显示装置包括操作面板、触摸膜片（3）以及发光装置，发光装置包括基板（7）、印刷电路板PCB（9）和滤光膜片（4），基板（7）上设置有多个相互隔开的通孔（8），通孔（8）的上开口对应于通孔（8）所要照亮的功能符号（2）；滤光膜片（4）贴附于基板（7）的上表面，滤光膜片（4）对应于通孔（8）开口的区域设置为透光区域（5），滤光膜片（4）除对应于通孔（8）开口的区域为不透光区域（6）；PCB（9）安装于基板（7）的下表面，PCB（9）上对应通孔（8）的下开口部分安装有发光体。

Description

用于家电的操作显示装置及洗衣机 技术领域
本公开涉及家电控制及制造领域，例如，涉及一种用于家电的操作显示装置及洗衣机。
背景技术
随着人们生活水平的提高，家用电器得到了大范围的普及和使用，人们对家电的外观和使用便捷性有了越来越高的要求，电容式触摸按键形成的操作显示装置得到了广泛的使用，电容式触摸按键形成的操作显示装置可以保证了产品结构的整体性，提高了产品的防潮性能；电容式触摸按键形成的操作显示装置不涉及机械寿命问题，保证了按键的长期可靠性。
但相关技术中的电容式触摸按键操作显示装置结构复杂、采用的发光装置的装配结构复杂，生产成本高，不利于大规模生产制造，而且光照区域不易控制，使得面板上的功能符号显示效果不好。
发明内容
一种用于家电的操作显示装置及洗衣机，具有装配结构简单，易于加工的特点，并且能够显示多个功能符号。
一种用于家电的操作显示装置，包括：操作面板、触摸膜片以及发光装置，其中，
操作面板上设置有功能符号，操作面板具有用作触摸感应式操控的表面，
触摸膜片设置于所述操作面板的下方；触摸功能符号对应的操作面板表面，所述触摸膜片上对应该功能符号重叠设置的传感器电极之间的电容发生改变，
发光装置安装在触摸膜片远离操作面板的一侧，所述发光装置点亮后，光线穿过触摸膜片，多个功能符号能够相互区别开，
所述发光装置包括基板、印刷电路板PCB和滤光膜片，所述基板上设置有多个相互隔开的通孔，所述通孔的上开口对应于所要照亮的功能符号；所述滤光膜片贴附于所述基板的上表面，所述滤光膜片对应于通孔开口的区域设置为 透光区域，滤光膜片除对应于通孔开口的区域为不透光区域；PCB安装于所述基板的下表面，PCB上对应通孔的下开口部分安装有发光体。
可选的，所述滤光膜片是由塑料制成的仅对应于所述通孔的开口区域的透光的膜，具有光线散射作用，以及所述滤光膜片通过胶粘连接到显示光源的基板上表面。
可选的，所述基板为整体注塑成形，以及所述基板的上表面与下表面平行。
可选的，所述触摸膜片为透明氧化铟锡ITO导电膜，在透明ITO导电膜上的ITO镀层上蚀刻出一个或多个所述传感器电极。
可选的，在与所述基板的上表面平行的方向上，所述通孔的上开口的横截面积大于下开口的横截面积。
可选的，所述通孔的纵截面呈倒梯形。
可选的，每个通孔内安装有多个发光二极管LED作为发光体。
可选的，所述操作面板为玻璃面板，在所述玻璃面板上印刷有功能符号。
可选的，所述功能符号印刷于所述玻璃面板的下表面，借助于所述发光装置，能够在玻璃面板的上表面显示。
一种洗衣机，具有如前面任一所述的操作显示装置。
一种用于家电的操作显示装置包括操作面板、触摸膜片以及发光装置，发光装置包括基板、PCB和滤光膜片，基板上设置有多个相互隔开的通孔，所述通孔的上开口对应于所要照亮的功能符号；所述滤光膜片贴附于所述基板的上表面，所述滤光膜片对应于通孔开口的区域设置为透光区域，滤光膜片除对应于通孔开口的区域为不透光区域；PCB安装于所述基板的下表面，PCB上对应通孔的下开口部分安装有发光体，装置整体加工方便、装配方便，通过通孔和贴附的滤光膜片，可控制光照范围并能起到聚光作用，具有好的功能符号显示效果。
附图说明
下面根据附图和实施例对本发明作可选详细说明。
图1为一实施例中用于家电的操作显示装置整体示意图；
图2为一实施例中用于家电的操作显示装置的爆炸图；以及
图3为一实施例中发光装置的装配结构示意图。
图中：
1、玻璃面板；2、功能符号；3、触摸膜片；4、滤光膜片；5、透光区域；6、不透光区域；7、基板；8、通孔；9、印制电路板PCB；10、LED；11、传感器电极。
具体实施方式
下面结合附图并通过具体实施方式来说明以下技术方案。
如图1至3所示给出了用于家电的操作显示装置的实施例，在本实施例中，该装置可以设置于洗衣机中，用于家电的操作显示装置，包括：操作面板、触摸膜片3和发光装置。其中，操作面板上设置有功能符号2，操作面板具有用触摸感应式操控的表面。触摸膜片3设置于所述操作面板的下方。触摸功能符号2对应的操作面板表面，能够改变触摸膜片3上对应该功能符号2重叠设置的传感器电极11之间的电容。触摸膜片3远离操作面板的一侧安装有发光装置，所述发光装置点亮后，光线穿过触摸膜片3，能够将多个功能符号相互区别。
发光装置包括基板7、印制电路板(Printed Circuit Board，PCB)9和滤光膜片4，基板7上设置有多个相互隔开的通孔8，通孔8的上开口对应于所要照亮的功能符号。滤光膜片4贴附于基板7的上表面，滤光膜片4对应于通孔开口的区域设置为透光区域，滤光膜片除对应于通孔开口的区域为不透光区域。PCB 9安装于基板7的下表面，PCB上对应通孔8的下开口部分安装有发光体。图1为该装置的桶体盖板的整体示意图，玻璃面板1的前侧作为操作面板，作为触摸感应式操控的表面，在操作面板上设置有一个或多个功能符号2，功能符号2可以代表洗衣程序，如“常用”“速洗”，“标准”，“家纺”等，亦可代表如“风干”，“留水”，“洗涤剂”等功能，还可代表如“水位”，“浸泡”，“洗涤”，“漂洗”，“脱水”等参数项。在本实施例中，功能符号2可以采用丝网印刷于玻璃面板1的下表面，可以在功能符号2和玻璃面板1之间设置镀膜层。用户通过操作面板的上表面可能看不到功能符号的内容，在功能符号下方有背光的情况下，用户可以透过玻璃面板1看到功能符号的内容，该设计保持了操作面板的整体性和美观性(图1中所有功能符号可以全有背光，所有功能字符均可 见)。
图2给出了该操作显示装置的爆炸图，如图2所示，在玻璃面板1的下方可以粘贴电容式传感器触摸膜片(也称触摸膜片)3，本实施例中，触摸膜片3可以为透明氧化铟锡(Indium tin oxide，ITO)导电膜，在透明ITO导电膜上的ITO镀层上蚀刻出一个或多个传感器电极11。触摸功能符号2对应的玻璃面板1的上表面，能够改变所述触摸膜片3上对应该功能符号重叠设置的传感器电极的电容，可以输出变化的电容值至与该传感器电极连接的控制电路作为控制信号。
触摸膜片3远离操作面板的一侧面安装发光装置，所述发光装置点亮后，光线穿过触摸膜片3，能够区别开多个功能符号2，以方便用户操作。
发光装置包括基板7、PCB 9和滤光膜片4。所述基板7上设置有一个或多个相互隔开的通孔8，所述通孔8的上开口对应于该通孔所要照亮的功能符号2。如图3所示，所述滤光膜片4贴附于所述基体7的上表面，本例中可以采用粘胶的方式使滤光膜片4附于基体7的上表面，滤光膜片4对应于通孔开口部分设置为透光区域5，基板7上除通孔8的部分为不透光区域6。PCB 9安装于所述基板7的下表面，PCB 9上对应通孔的下开口区域安装有发光体10。参见图3，在与基板7的上表面平行的方向上，通孔8的上开口的横截面积大于通孔8的下开口的横截面积，这样的设计在放大照射面积的同时也有利于对发光体的光源进行聚光。可选的，可将通孔8的纵截面设置成倒梯形，即，如图3所述，通孔的下开口的截面长度小于通孔的上开口的截面长度。
滤光膜片4可以是由塑料制成的仅对应于所述通孔开口区域的透光的膜，具有光线散射作用，能够使透过的光线均匀和柔和。
基板7可以为整体注塑成形，基板7可以的上表面和下表面平行，方便滤光膜片4的粘贴和PCB的定位安装。
每个通孔8内可根据开孔的照射面积安装有多个发光二极管(Light Emitting Diode，LED)10作为发光体，LED 10可以采用贴片式封装，减少了装置的体积，降低了生产成本，利于生产制造。
上述操作显示装置除可应用于本实施例所述的洗衣机外，亦可应用于其他家电(如，热水器、电视机)上作为控制面板。
基板7、滤光膜片4和PCB 9三个部件可平行的装配，装配结合面均为平面，基板可采用一体成型，可整体注塑加工，LED 10采用贴片式的封装，多个部件加工方便、装配方便，降低加工和装配的成本。通过通孔和贴附的滤光膜片，可控制光照范围并能起到聚光的作用，具有好的功能符号显示效果。
工业实用性
一种用于家电的操作显示装置及洗衣机，具有装配结构简单，易于加工的特点。

Claims (10)

  1. 一种用于家电的操作显示装置，包括：操作面板、触摸膜片以及发光装置，其中，
    操作面板上设置有功能符号，操作面板具有用作触摸感应式操控的表面，
    触摸膜片设置于所述操作面板的下方；触摸功能符号对应的操作面板表面，所述触摸膜片上对应该功能符号重叠设置的传感器电极之间的电容发生改变，
    发光装置安装在触摸膜片远离操作面板的一侧，所述发光装置点亮后，光线穿过触摸膜片，多个功能符号能够相互区别开，
    所述发光装置包括基板、印刷电路板PCB和滤光膜片，所述基板上设置有多个相互隔开的通孔，所述通孔的上开口对应于所要照亮的功能符号；所述滤光膜片贴附于所述基板的上表面，所述滤光膜片对应于通孔开口的区域设置为透光区域，滤光膜片除对应于通孔开口的区域为不透光区域；PCB安装于所述基板的下表面，PCB上对应通孔的下开口部分安装有发光体。
  2. 根据权利要求1所述的装置，其中，所述滤光膜片是由塑料制成的仅对应于所述通孔的开口区域的透光的膜，具有光线散射作用，以及所述滤光膜片通过胶粘连接到显示光源的基板上表面。
  3. 根据权利要求1所述的装置，其中，所述基板为整体注塑成形，以及所述基板的上表面与下表面平行。
  4. 根据权利要求1所述的装置，其中，所述触摸膜片为透明氧化铟锡ITO导电膜，在透明ITO导电膜上的ITO镀层上蚀刻出一个或多个所述传感器电极。
  5. 根据权利要求1至4任一所述的装置，其中，在与所述基板的上表面平行的方向上，所述通孔的上开口的横截面积大于下开口的横截面积。
  6. 根据权利要求5所述的装置，其中，所述通孔的纵截面呈倒梯形。
  7. 根据权利要求1至4任一所述的装置，其中，每个通孔内安装有多个发 光二极管LED作为发光体。
  8. 根据权利要求1所述的装置，其中，所述操作面板为玻璃面板，在所述玻璃面板上印刷有功能符号。
  9. 根据权利要求8所述的装置，其中，所述功能符号印刷于所述玻璃面板的下表面，借助于所述发光装置，能够在玻璃面板的上表面显示。
  10. 一种洗衣机，包括如权利要求1-9中任一所述的用于家电的操作显示装置。
PCT/CN2017/090174 2016-06-29 2017-06-27 用于家电的操作显示装置及洗衣机 WO2018001221A1 (zh)

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