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WO2023024092A1 - 一种触控按键模组和控制面板 - Google Patents

一种触控按键模组和控制面板 Download PDF

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Publication number
WO2023024092A1
WO2023024092A1 PCT/CN2021/115098 CN2021115098W WO2023024092A1 WO 2023024092 A1 WO2023024092 A1 WO 2023024092A1 CN 2021115098 W CN2021115098 W CN 2021115098W WO 2023024092 A1 WO2023024092 A1 WO 2023024092A1
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WIPO (PCT)
Prior art keywords
panel
diaphragm
icon
flat
touch
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PCT/CN2021/115098
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English (en)
French (fr)
Inventor
任曌华
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深圳市国电赛思科技有限公司
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Publication of WO2023024092A1 publication Critical patent/WO2023024092A1/zh

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches

Definitions

  • the utility model relates to the technical field of control panel manufacturing, in particular to a touch button module and a control panel.
  • control panels of electronic products are widely used, and people control various electronic products and electrical equipment by interacting with the control panels.
  • the key positions of the control panel are usually printed with icons for identification.
  • RVs The power management in RVs is relatively diverse. Different brands and different models have different loads, and some custom-modified vehicles will have individualized requirements for the load.
  • Traditional control panels usually have icons fixed on the surface of the panel, which cannot be replaced. As a result, it is difficult for the control panel to meet diverse needs at the same time and cannot be mass-produced.
  • the utility model discloses a touch button module and a control panel, which have replaceable button icons, so that a set of standard products can be matched with various loads.
  • the utility model proposes a touch button module, which includes a panel and a PCB board arranged parallel to the rear of the panel, the position of the button is set on the panel, capacitive touch-sensitive buttons are installed on the PCB, and the capacitive touch-sensitive buttons Including the component flat-top cylindrical spring, the wiring end of the flat-top cylindrical spring is welded to the front of the PCB board, and the flat-top end is elastically connected to the back of the key position;
  • the back of the button position is provided with a diaphragm card slot, and the rear part of the diaphragm card slot is open, and the icon diaphragm is inserted into the diaphragm card slot from the back to the front, and is compressed and flattened by the flat-top cylindrical spring. back.
  • the membrane clamping groove is a U-shaped groove, and there is a gap between the narrow side of the U-shaped groove and the panel. After the icon membrane is pushed into the membrane clamping groove, it slides toward the narrow side to fit into the gap.
  • a pair of baffles are arranged at the opposite corners of the membrane slot, and a gap is left between the pair of baffles and the panel;
  • the icon diaphragm is elastic, and the icon diaphragm is bent diagonally and snapped into the gap between the blocking plate and the panel during installation.
  • the position of the key is semi-transparent, and the surrounding area of the key is opaque;
  • An LED lamp bead as a light source is provided on the PCB, and the LED lamp bead is located in the elastic coil of the flat-topped cylindrical spring.
  • the position of the button is coated with a semi-transparent ink mixed with a solid color ink and a transparent ink;
  • the parts of the icon diaphragm printed with graphics are light-transmitting, and the non-graphic parts are coated with solid-color ink.
  • the material of the panel is acrylic, glass or PC.
  • the icon film is made of acrylic, glass or PC.
  • the light source is an LED lamp bead.
  • the utility model also proposes a control panel, which has the touch button module described in any one of the above items.
  • the beneficial effect of the utility model is that a set of standard products can be matched with various loads by replacing the solidified icon of the traditional control panel through the replaceable icon diaphragm and the slot structure for installing the icon diaphragm, and then the control
  • the panel can be produced quantitatively; the icon diaphragm is easy to install, and can be replaced at will before and after leaving the factory; through the matching of different inks on the panel and the replaceable icon diaphragm, the icon can be clearly displayed, and the icon area and the surrounding area are seamless. Obvious color difference, so as not to lose the appearance.
  • Figure 1 is an exploded view of the structure of the touch button module.
  • Figure 2 is a rear view of the panel in Embodiment 1.
  • Figure 3 is a front view of the PCB board.
  • Fig. 4 is a perspective view of a control panel.
  • Figure 5 is a rear view of the panel in Embodiment 2.
  • Fig. 6 is an enlarged view of the diaphragm clamping groove in embodiment 2.
  • the touch button module shown in Figure 1-4 includes a panel 1 set with a button position 11, a PCB board 2 and an icon diaphragm 4;
  • the button position 11 is not a mechanical button, but a position mark on the panel 1; the front of the panel 1 has no mechanical buttons and is flat and smooth.
  • the touch button module uses capacitive touch-sensitive buttons, and the device of the capacitive touch-sensitive button is welded on the PCB board 2.
  • the device includes a flat-top cylindrical spring 3 as a capacitive sensor, and the flat-top end of the flat-top cylindrical spring 3 is in conflict with the
  • the back of the button position 11 is elastically connected to the panel 1.
  • the sensing capacitance formed by the human finger and the ground is connected in parallel with the sensing capacitance formed by the pad and the ground, so that the total sensing capacitance value increases, thereby being touched
  • the control IC chip senses the human touch.
  • the button position 11 is translucent or semi-transparent, and the icon diaphragm 4 is installed between the flat-top cylindrical spring 3 and the panel 1, and is closely attached to the back of the button position 11, providing a key mark for the button position 11.
  • the icon diaphragm 4 is made of semi-transparent PC sheet, and is printed with a logo icon; the back of the panel 1 is provided with a diaphragm card slot 5, and each button position 11 corresponds to a diaphragm card slot 5, and the diaphragm card slot 5 is used for To install the icon diaphragm 4;
  • the area of the diaphragm card slot 5 can also be enlarged, so that multiple button positions 11 correspond to one diaphragm card slot 5, such as the temperature control button, and the two buttons of heating and cooling correspond to a diaphragm card occupying two key positions.
  • Slot 5 the diaphragm icon 4 expands correspondingly with the diaphragm card slot 5, and the heating and cooling icons are printed on it;
  • the icon membrane 4 and the membrane slot 5 can be set corresponding to more than two button positions, or even all the buttons on the panel.
  • the panel 1 as a whole is set to be opaque, and the button position 11 is set to be semi-transparent;
  • the PCB board 2 is provided with an LED lamp bead 6 as a light source, and the LED lamp bead 6 is located in the elastic coil of the flat-top cylindrical spring 3 .
  • each key position 11 There is an LED light bead 6 at the rear of each key position 11 , and when the key switch is turned on, the corresponding LED light bead 6 is energized and lit, and the light beam passes through the icon diaphragm 4 and the panel 11 .
  • the material of the panel 1 can be acrylic, glass or PC. In order to give consideration to the touch sensitivity and panel strength, the thickness of the panel 1 is between 1.5mm and 2mm;
  • the material of the icon diaphragm 4 can be acrylic, glass or PC.
  • the button position 11 will inevitably produce color difference with the surroundings, which will affect the visual effect.
  • This embodiment adopts the following solution to solve the color difference problem, and at the same time, it can ensure that the icon is clearly displayed under the action of the LED lamp bead 6:
  • Panel 1 is coated with dark opaque solid color ink as a whole;
  • the button position 11 is coated with a semi-permeable ink formed by mixing the solid color ink and the light-transmitting ink;
  • the portion of the icon diaphragm 4 printed with graphics is light-transmitting, and the non-graphic portion is coated with the solid-color ink.
  • the diaphragm clamping groove 5 includes two structures, which will be described below using Embodiment 1 and Embodiment 2 respectively.
  • the diaphragm clamping groove 5 is a U-shaped groove with an opening at the rear, the lower side of the U-shaped groove is a narrow side, and there is a gap between the narrow side and the panel 1 to form a chute;
  • the icon diaphragm 4 is pushed forward from the opening into the diaphragm slot 5, and then close to the back of the panel 1 and slides down into the chute to fix in place;
  • the flat top end of the flat top cylindrical spring 3 further presses the icon diaphragm 4 against the back of the panel 1 .
  • a pair of baffles 52 are arranged at the opposite corners of the diaphragm slot 5, and there is a gap between the baffles 52 and the panel 1;
  • the icon diaphragm 4 is elastic, and the icon diaphragm 4 is bent diagonally and snapped into the gap between the blocking sheet 2 and the panel 1 during installation.
  • the flat top end of the flat top cylindrical spring 3 further compresses the icon diaphragm 4 on the back of the panel 1;
  • buttons 11 and 10 corresponding diaphragm card slots 5 there are also 10 button positions 11 and 10 corresponding diaphragm card slots 5.
  • a piece of icon diaphragm 4 is installed in each diaphragm card slot 5, and the icon films located in different diaphragm card slots 5 Sheet 4 can be exchanged arbitrarily.
  • the utility model also proposes a control panel, which has the touch button module described in any one of the above-mentioned embodiments;
  • a display window 7 and a rear case 8 are also included;
  • the display window 7 is used to install a display screen, so that the user can operate more conveniently, and can also view the operating data of the equipment, etc.;
  • the rear shell 8 and the panel 1 constitute the shell of the control panel
  • the back shell 8 is usually buried in a reserved hole in the wall or cabinet, and only the panel 1 is exposed.

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  • Push-Button Switches (AREA)

Abstract

本实用新型公开了一种触控按键模组和控制面板，包括面板和平行设置于面板后部的PCB板，面板上设定有按键位置；PCB板上安装有电容式触摸感应按键，电容式触摸感应按键包括组件平顶圆柱弹簧，平顶圆柱弹簧的接线一端焊接于PCB板正面，平顶一端弹性连接在按键位置的背面；平顶圆柱弹簧与按键位置之间设有可更换的图标膜片；触控按键模组设计了可更换的图标膜片以及用于安装图标膜片的卡槽结构，替代在面板上印制图标的传统工艺；并且通过面板和可更换的图标膜片上不同油墨的搭配，既使得图标能够清晰显示，又做到图标区域和周边无明显色差，从而不失美观。

Description

一种触控按键模组和控制面板 技术领域
本实用新型涉及控制面板制造技术领域，具体涉及一种触控按键模组和控制面板。
背景技术
电子产品的控制面板的应用非常广泛，人们通过与控制面板的交互，去操控各种电子产品、电气设备。为了方便实用，控制面板的按键位置通常会印上图标进行区别标识。
在家庭、房车、电气系统中，由于存在各种各样的电气设备，往往存在各种各样的控制面板。这些面板可能只控制某个电气设备，也可能同时控制多个不同的设备。
房车中的电源管理比较多样化，不同的品牌、不同车型的负载各不相同，还有些定制改装的车辆会对负载提出个性化要求。传统的控制面板多将图标固化设置在面板表面，无法进行更换，以至控制面板难以同时满足多样化的需求，无法进行批量生产。
实用新型内容
鉴于上述，本实用新型公开了一种触控按键模组和控制面板，具有可以更换的按键图标，使一套标准产品可以对应多种负载搭配。
本实用新型提出了一种触控按键模组，包括面板和平行设置于面板后部的PCB板，面板上设定有按键位置，PCB板上安装有电容式触摸感应按键，电容式触摸感应按键包括组件平顶圆柱弹簧，平顶圆柱弹簧的接线一端焊接于PCB板正面，平顶一端弹性连接在按键位置的背面；
平顶圆柱弹簧与按键位置之间设有可更换的图标膜片。
优选的，按键位置的背部设置有膜片卡槽，膜片卡槽后部开口，图标膜片从后向前卡入膜片卡槽，并被平顶圆柱弹簧压紧平贴与按键位置的背面。
优选的，膜片卡槽为U型槽，U型槽的窄边与面板之间留有间隙，图标膜片推入膜片卡槽后，向窄边滑动卡入间隙。
优选的，膜片卡槽对角设有一对挡片，一对挡片与面板之间留有间隙；
图标膜片具有弹性，安装时将图标膜片对角弯曲卡入挡片与面板之间的间隙。
优选的，按键位置为半透光，按键位置周围为不透光；
PCB板上设有作为光源的LED灯珠，LED灯珠位于平顶圆柱弹簧的弹性线圈内。
优选的，按键位置涂覆有实色油墨与透光油墨混合而成的半透光油墨；
图标膜片印有图形的部位为透光设置，非图形的部位涂覆有实色油墨。
优选的，面板的材料为亚克力、玻璃或PC。
优选的，图标膜片的材料为亚克力、玻璃或PC。
优选的，光源为LED灯珠。
本实用新型还提出了一种控制面板，具有上述任意一项所述的触控按键模组。
本实用新型的有益效果是：通过可以替换的图标膜片以及用于安装图标膜片的卡槽结构以替代传统控制面板的固化图标，使一套标准产品可以对应多种负载搭配，进而使控制面板可以量化生产；图标膜片安装方便，出厂前、后都可以任意更换；通过面板和可更换的图标膜片上不同油墨的搭配，既使得图标能够清晰显示，又做到图标区域和周边无明显色差，从而不失美观。
附图说明
下面结合实施例和附图对本实用新型进行详细说明，其中：
图1是触控按键模组的结构爆炸图。
图2是实施例1中面板后视图。
图3是PCB板正视图。
图4是控制面板的立体图。
图5是实施例2中面板后视图。
图6是实施例2中膜片卡槽的放大图。
附图标记说明：
1-面板，11-按键位置，2-PCB板，3-平顶圆柱弹簧，4-图标膜片，5-膜片卡槽，51-凸柱，52-挡片，6-LED灯珠，7-显示窗，8-后壳。
具体实施方式
为了使本实用新型所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本实用新型，并不用于限定本实用新型。
由此，本说明书中所指出的一个特征将用于说明本实用新型的一个实施方式的其中一个特征，而不是暗示本实用新型的每个实施方式必须具有所说明的特征。此外，应当注意的是本说明书描述了许多特征。尽管某些特征可以组合在一起以示出可能的系统设计，但是这些特征也可用于其他的未明确说明的组合。由此，除非另有说明，所说明的组合并非旨在限制。
下面结合附图以及实施例对本实用新型的原理进行详细说明。
如图1-4所示的触控按键模组，包括设定有按键位置11的面板1、PCB板2和图标膜片4；
按键位置11并非机械按键，而是面板1上的位置标识；面板1的正面没有机械按键且平整光滑。
触控按键模组采用的是电容式触摸感应按键，电容式触摸感应按键的器件焊接在PCB板2上，器件包括作为电容传感器的平顶圆柱弹簧3，平顶圆柱弹簧3平顶一端抵触在按键位置11的背部与面板1弹性连接，当有人体手指靠近触摸按键位置11时，人体手指与大地构成的感应电容并联焊盘与大地构成的感应电容，使总感应电容值增加，从而被触控IC芯片感知到人手触碰。
按键位置11呈透光或者半透光状，图标膜片4安装于平顶圆柱弹簧3和面板1之间，并紧贴于按键位置11背面，为按键位置11提供按键标识。
图标膜片4采用半透光的PC片制作，并印有标识图标；面板1的背部设有膜片卡槽5，每个按键位置11对应一个膜片卡槽5，膜片卡槽5用于安装图标膜片4；
当然，也可以将膜片卡槽5面积扩大，变成多个按键位置11对应一个膜片卡槽5，比如温控按键，升温和降温两个按键对应一个占用两个键位的膜片卡槽5，膜片图标4随膜片卡槽5相应扩大，其上印制升温和降温图标；
进一步的，根据需要可以将配套设置的图标膜片4和膜片卡槽5对应两个以上的按键位置，甚至面板上的全部按键。
本实施例中，面板1整体为不透光设置，按键位置11为半透光设置；
PCB板2上设有作为光源的LED灯珠6，LED灯珠6位于平顶圆柱弹簧3的弹性线圈内。
每个按键位置11后部都有一个LED灯珠6，当按键开关接通时其对应的LED灯珠6被通电点亮，光束透过图标膜片4和面板11。
面板1的材料可采用亚克力、玻璃或PC，为了兼顾触感灵敏度和面板强度，面板1厚度为1.5mm至2mm之间；
图标膜片4的材料可以采用亚克力、玻璃或PC。
按键位置11不可避免的会与周围产生色差，影响视觉效果，本实施例采用下述方案解决色差问题，同时能够保证图标在LED灯珠6的作用下清晰显示：
面板1整体涂覆深色不透光的实色油墨；
按键位置11涂覆的是所述实色油墨与透光油墨混合而成的半透油墨；
图标膜片4印有图形的部位为透光设置，非图形的部位涂覆所述实色油墨。
膜片卡槽5包括两种结构，以下分别用实施例1和实施例2进行说明。
实施例1
如图2所示，膜片卡槽5为后部开口的U型槽，U型槽的下侧为窄边，窄边与面板1之间留有间隙形成滑槽；
图标膜片4从开口处向前先推入膜片卡槽5，然后紧贴面板1的背面后向下滑入所述滑槽就位固定；
平顶圆柱弹簧3的平顶一端将图标膜片4进一步压紧在面板1背部。
本实施例中设有10个按键位置11和相对应的10个膜片卡槽5，每个膜片卡槽5中安装一片图标膜片4，位于不同膜片卡槽5中的图标膜片4可以任意调换。
实施例2
如图5-6所示，膜片卡槽5对角设有一对挡片52，挡片52与面板1之间留有间隙；
图标膜片4具有弹性，安装时将图标膜片4对角弯曲卡入挡片2与面板1之间的间隙。
平顶圆柱弹簧3的平顶一端将图标膜片4进一步压紧在面板1背部；
本实施例中同样设有10个按键位置11和相对应的10个膜片卡槽5，每个膜片卡槽5中安装一片图标膜片4，位于不同膜片卡槽5中的图标膜片4可以任意调换。
本实用新型还提出了一种控制面板，具有上述任一实施例所记载的触控按键模组；
本实施例中，还包括显示窗7和后壳8；
显示窗7内用于安装显示屏，使用户可以更方便的进行操控，还可以查看设备的运行数据等；
后壳8与面板1构成了控制面板的外壳；
后壳8通常埋设在墙体或柜体的预留孔中，只有面板1外露设置。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种触控按键模组，包括面板(1)和平行设置于所述面板(1)后部的PCB板(2)，所述面板(1)上设定有按键位置(11)，其特征在于：
    所述PCB板(2)上安装有电容式触摸感应按键，所述电容式触摸感应按键包括组件平顶圆柱弹簧(3)，所述平顶圆柱弹簧(3)的接线一端焊接于所述PCB板(2)正面，平顶一端弹性连接在按键位置(11)的背面；
    所述平顶圆柱弹簧(3)与按键位置(11)之间设有可更换的图标膜片(4)。
  2. 如权利要求1所述的触控按键模组，其特征在于，所述按键位置(11)的背部设置有膜片卡槽(5)，所述膜片卡槽(5)后部开口，所述图标膜片(4)从后向前卡入所述膜片卡槽(5)，并被所述平顶圆柱弹簧(3)压紧平贴与所述按键位置(11)的背面。
  3. 如权利要求2所述的触控按键模组，其特征在于，所述膜片卡槽(5)为U型槽，U型槽的窄边与所述面板(1)之间留有间隙，所述图标膜片(4)推入所述膜片卡槽(5)后，向所述窄边滑动卡入所述间隙。
  4. 如权利要求2所述的触控按键模组，其特征在于，所述膜片卡槽(5)对角设有一对挡片(52)，所述一对挡片(52)与所述面板(1)之间留有间隙；
    所述图标膜片(4)具有弹性，安装时将所述图标膜片(4)对角弯曲卡入挡片(52)与面板(1)之间的间隙。
  5. 如权利要求1所述的触控按键模组，其特征在于，所述按键位置(11)为半透光，所述按键位置(11)周围为不透光；
    所述PCB板(2)上设有作为光源的LED灯珠(6)，所述LED灯珠(6)位于所述平顶圆柱弹簧(3)的弹性线圈内。
  6. 如权利要求1所述的触控按键模组，其特征在于，所述按键位置(11)涂覆有实色油墨与透光油墨混合而成的半透光油墨；
    所述图标膜片(4)印有图形的部位为透光设置，非图形的部位涂覆有所述实色油墨。
  7. 如权利要求6所述的触控按键模组，其特征在于，所述面板(1)的材料为亚克力、玻璃或PC。
  8. 如权利要求6所述的触控按键模组，其特征在于，所述图标膜片(4)的材料为亚克力、玻璃或PC。
  9. 如权利要求4所述的触控按键模组，其特征在于，所述光源(6)为LED灯珠。
  10. 一种控制面板，其特征在于，包括上述任意一项权利要求所述的触控按键模组。
PCT/CN2021/115098 2021-08-26 2021-08-27 一种触控按键模组和控制面板 WO2023024092A1 (zh)

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