WO2020019587A1 - 电磁触控屏、交互智能设备和边框 - Google Patents

电磁触控屏、交互智能设备和边框 Download PDF

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Publication number
WO2020019587A1
WO2020019587A1 PCT/CN2018/115848 CN2018115848W WO2020019587A1 WO 2020019587 A1 WO2020019587 A1 WO 2020019587A1 CN 2018115848 W CN2018115848 W CN 2018115848W WO 2020019587 A1 WO2020019587 A1 WO 2020019587A1
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Prior art keywords
electromagnetic
touch screen
frame
electromagnetic touch
screen
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French (fr)
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邓芳光
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means

Definitions

  • the present application relates to the field of electromagnetic screens, and in particular, to an electromagnetic touch screen, an interactive smart device, and a frame.
  • FIG. 1 is a sectional view of an edge of an electromagnetic touch screen of the prior art.
  • the electromagnetic touch screen includes: an electromagnetic screen 1, a metal casing 2, a metal frame 3, a display screen 4, and a silicon steel sheet 5.
  • the cross-section of the silicon steel sheet is "U" -shaped and surrounds the outside of the electromagnetic screen.
  • the disadvantage of this method is that the U-shaped silicon steel sheet needs to be assembled outside the electromagnetic screen, and the assembly is relatively complicated.
  • At least part of the embodiments of the present application provide an electromagnetic touch screen, an interactive smart device, and a frame to solve at least the technical problem of poor touch effect at the edge of an interactive smart device in the prior art.
  • an electromagnetic touch screen including: a display screen; a metal casing; an electromagnetic screen, the electromagnetic screen is disposed between the display screen and the metal casing, and the electromagnetic screen includes an electromagnetic antenna module ;
  • the frame connects the metal shell and the display.
  • the frame is a solid mixed material, which includes silicon steel. The frame is used to increase the magnetic flux of the edge electromagnetic antenna module.
  • the solid mixed material is a solid mixed material obtained by mixing a silicon steel material and a plastic material.
  • the ratio of the silicon steel material to the plastic material is 3: 7.
  • the metal shell is connected to a preset width of the edge of the electromagnetic screen.
  • the frame is adhered to the metal shell or connected by bolts.
  • an interactive smart device including the electromagnetic touch screen described above.
  • a frame is also provided, and the material of the frame is a solid mixed material obtained by mixing a silicon steel material and a plastic material.
  • the operation principle of the electromagnetic touch screen is to calculate a defined position point by detecting a magnetic field change (a change in magnetic flux) generated by an electromagnetic pen module and an electromagnetic antenna module under the display screen during the operation of the electromagnetic pen.
  • a magnetic field change a change in magnetic flux
  • the electromagnetic antenna module at the edge since the electromagnetic signal at the edge of the electromagnetic antenna module is partially shielded by the metal back case, there may be a problem that the detected magnetic flux is small, which makes it difficult to identify the writing signal or the control signal.
  • a solid mixed material containing a silicon steel material is used as a frame.
  • the silicon steel material in the solid mixed material improves the magnetic flux of the electromagnetic antenna module at the edge of the electromagnetic screen, so that the writing signal or The control signal is easy to recognize, thereby improving the writing performance at the edge of the electromagnetic touch screen, and solving the technical problem of poor touch effect at the edge of the interactive smart device in the prior art.
  • FIG. 1 is a sectional view of an edge of an electromagnetic touch screen in the prior art
  • FIG. 2 is a sectional view of an edge of an electromagnetic touch screen according to an embodiment of the present application.
  • Figure 3 is a schematic front view of an electromagnetic touch screen according to an embodiment of the present application.
  • Electromagnetic screen 2. Metal shell; 3. Metal frame: 4. Display: 5. Silicon steel sheet: 6. Frame.
  • an embodiment of an electromagnetic touch screen is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and, Although the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than here.
  • FIG. 2 is a sectional view of an edge of an electromagnetic touch screen according to an embodiment of the present application. As shown in FIG. 2, the electromagnetic touch screen includes:
  • the display screen includes a display module for displaying corresponding content according to the control of the device.
  • the metal case is disposed on the back of the electromagnetic touch screen and is opposite to the display screen, and is used to protect the internal devices of the electromagnetic touch screen. It can be seen from the cross-sectional view of FIG. 2 that the position of the metal casing in the electromagnetic touch screen is farther from the electromagnetic screen, and the position of the metal shell is closer to the electromagnetic screen, thereby weakening the magnetic flux of the edge portion of the electromagnetic antenna module.
  • the electromagnetic screen 1 is disposed between the display screen and the metal shell, and the electromagnetic screen includes an electromagnetic antenna module.
  • the electromagnetic antenna module is the receiving end in the electromagnetic touch screen.
  • the electromagnetic pen is the transmitting end.
  • the electromagnetic antenna module generates magnetic flux according to the writing of the electromagnetic pen. The change causes the electromagnetic touch screen to recognize the writing operation of the electromagnetic pen.
  • the frame 6 is connected to the metal casing and the display screen.
  • the frame is a solid mixed material, and the mixed material includes a silicon steel material.
  • the frame is used to increase the magnetic flux of the edge electromagnetic antenna module.
  • the silicon steel material in the foregoing mixed material is also referred to as a silicon steel material.
  • the connection method of the frame to the metal case and the display screen can be bolted or glued.
  • the silicon steel material can increase the edge electromagnetic antenna mode. Set of magnetic flux effects.
  • the operation principle of the electromagnetic touch screen is to calculate a defined position point by detecting a magnetic field change (a change in magnetic flux) generated by an electromagnetic pen module and an electromagnetic antenna module under the display screen during the operation of the electromagnetic pen.
  • a magnetic field change a change in magnetic flux
  • the electromagnetic antenna module at the edge since the electromagnetic signal at the edge of the electromagnetic antenna module is partially shielded by the metal back case, there may be a problem that the detected magnetic flux is small, which makes it difficult to identify the writing signal or the control signal.
  • the above embodiment of the present application uses a solid mixed material containing a silicon steel material as a frame, and through the silicon steel material in the solid mixed material, the magnetic flux of the electromagnetic antenna module at the edge of the electromagnetic screen is increased, so that the written signal or The control signal is easy to recognize, thereby improving the writing performance at the edge of the electromagnetic touch screen, and solving the technical problem of poor touch effect at the edge of the interactive smart device in the prior art.
  • the solid mixed material is a solid mixed material obtained by mixing a silicon steel material and a plastic material.
  • the solid mixed material obtained by mixing the silicon material and the plastic material is still a solid material with a certain hardness.
  • the frame of the electromagnetic touch screen it not only has a strong hardness to prevent the electromagnetic touch screen from being collided, but also has a certain magnetic permeability, which increases Magnetic flux of the edge electromagnetic antenna module.
  • the ratio of the silicon steel material to the plastic material is 3: 7.
  • silicon steel materials are high. If there are more silicon steel materials in the solid mixed material, the cost of the electromagnetic touch screen will be higher. If less silicon steel materials are used in the solid mixed material, it will cause electromagnetic touch.
  • the magnetic permeability of the screen is poor, so the increase of the magnetic flux to the frame of the electromagnetic antenna module is limited, and it is difficult to achieve a better effect of improving the edge writing performance of the electromagnetic touch screen.
  • the above ratio is that silicon steel materials and plastic materials account for 30% of silicon steel materials, which not only can better limit the cost of the frame, but also increases the magnetic flux at the edge of the electromagnetic antenna module to a certain extent, effectively improving The writing performance of the electromagnetic touch screen edge.
  • the metal casing is connected to a preset width of the edge of the electromagnetic screen.
  • the metal shell converges at the edge to contact the electromagnetic screen, and is used to finally be connected to the frame.
  • the frame is adhered to the metal shell, or connected by bolts.
  • an interactive smart device including the electromagnetic touch screen in Embodiment 1.
  • the edge of the interactive smart device that includes the electromagnetic touch screen in Embodiment 1 because the frame of the solid mixed material increases the magnetic flux of the edge electromagnetic antenna module, so that the magnetic flux of the edge electromagnetic antenna module can be easily detected, thereby making The writing function at the edge of the interactive intelligent device is improved, and there will be no disconnection or difficulty writing.
  • Embodiment 1 improves the writing performance of the frame of the electromagnetic touch screen by changing the material of the frame, there is no need to assemble other structures in the electromagnetic touch screen, so that the assembly process of the electromagnetic touch screen is simple and easy to implement.
  • a frame is provided, and the material of the frame is a solid mixed material obtained by mixing a silicon steel material and a plastic material.
  • the frame is suitable for an electromagnetic device such as an electromagnetic touch screen, and is used to increase the magnetic flux of the edge electromagnetic antenna module, thereby improving the writing performance at the edge of the electromagnetic screen.
  • the electromagnetic touch screen, interactive smart device, and frame provided by at least some embodiments of the present application have the following beneficial effects: by selecting a solid mixed material containing a silicon steel material as the frame, and improving the electromagnetic force by the silicon steel material in the solid mixed material
  • the magnetic flux of the electromagnetic antenna module at the edge of the screen can make the writing signal or control signal at the edge of the electromagnetic antenna module easy to identify, thereby improving the writing performance of the edge of the electromagnetic touch screen, and solving the problem of interactive smart device edges in the prior art.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种电磁触控屏、交互智能设备和边框(6)。其中，该电磁触控屏包括：显示屏(4)；金属外壳；电磁屏(1)，电磁屏(1)设置于显示屏(4)与金属外壳之间，电磁屏(1)包括电磁天线模组；边框(6)，连接金属外壳和显示屏(4)，其中，边框(6)为固体混合材料，混合材料中包括硅钢材料，边框(6)用于增加边缘电磁天线模组的磁通量，解决了现有技术中交互智能设备边缘的触控效果较差的技术问题。

Description

电磁触控屏、交互智能设备和边框
本申请要求于2018年7月26日提交中国专利局、申请号为201821201060.X、申请名称“电磁触控屏、交互智能设备和边框”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电磁屏领域，具体而言，涉及一种电磁触控屏、交互智能设备和边框。
背景技术
电磁触控技术在大尺寸触控一体机的应用中(40寸以上)，在显示屏模组背光采用直下式的设计的情况下，由于电磁屏模组的金属后背板部分的四个边缘距离电磁天线较近，在使用电磁书写时，电磁天线模组边缘的电磁信号会被金属后壳屏蔽一部分，使得电磁天线模组的边缘电磁线圈的磁通量减少，导致书写信号或控制信号难以被识别，进而导致整机通过电磁书写笔书写或控制时，发生在电磁触控屏边缘的触控信号无法被正常接收，例如：书写出现断线、不出线等问题，接收不到点击、滑动的触摸事件等。
图1是现有技术的一种电磁触控屏边缘的剖面图，如图1所示，该电磁触控屏包括：电磁屏1、金属外壳2、金属边框3、显示屏4以及硅钢片5，硅钢片的横截面呈“U”型，包围在电磁屏的外侧。但这种方式的缺陷是，需要给电磁屏外组装“U”型硅钢片，组装复杂程度较高。
针对现有技术中交互智能设备边缘的触控效果较差的问题，目前尚未提出有效的解决方案。
实用新型内容
本申请至少部分实施例提供了一种电磁触控屏、交互智能设备和边框，以至少解决现有技术中交互智能设备边缘的触控效果较差的技术问题。
根据本申请其中一实施例的一个方面，提供了一种电磁触控屏，包括：显示屏；金属外壳；电磁屏，电磁屏设置于显示屏与金属外壳之间，电磁屏包括电磁天线模组；边框，连接金属外壳和显示屏，其中，边框为固体混合材料，混合材料中包括硅钢材料，边框用于增加边缘电磁天线模组的磁通量。
可选地，固体混合材料为硅钢材料和塑胶材料混合得到的固体混合材料。
可选地，硅钢材料和塑胶材料的比例为3:7。
可选地，金属外壳与电磁屏边缘的预设宽度相接。
可选地，边框与金属外壳粘连，或通过螺栓连接。
根据本申请其中一实施例的另一方面，还提供了一种交互智能设备，包括上述的电磁触控屏。
根据本申请其中一实施例的另一方面，还提供了一种边框，边框的材料为硅钢材料和塑胶材料混合得到的固体混合材料。
电磁触控屏的操作原理是，通过检测电磁笔操作过程中与显示屏下的电磁天线模组产生的磁场变化(磁通量变化)，来运算定义位置点。而对于边缘的电磁天线模组，由于电磁天线模组边缘的电磁信号会被金属后壳屏蔽一部分，因此可能出现检测到的磁通量较少，导致书写信号或控制信号难以被识别的问题。而本申请上述实施例选用含有硅钢材料的固体混合材料作为边框，通过固体混合材料中的硅钢材料，提高电磁屏边缘的电磁天线模组的磁通量，从而能够使得电磁天线模组边缘的书写信号或控制信号易于识别，进而改善了电磁触控屏边缘的书写性能，解决了现有技术中交互智能设备边缘的触控效果较差的技术问题。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是现有技术的一种电磁触控屏边缘的剖面图；
图2是根据本申请实施例的一种电磁触控屏边缘的剖面图；以及
图3是根据本申请实施例的一种电磁触控屏正面的示意图.
其中，上述附图中包括如下附图标记：
1、电磁屏；2、金属外壳；3、金属边框：4、显示屏：5、硅钢片：6、边框。
具体实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领 域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
实施例1
根据本申请实施例，提供了一种电磁触控屏的实施例，需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
图2是根据本申请实施例的一种电磁触控屏边缘的剖面图，如图2所示，该电磁触控屏包括：
显示屏4。
具体的，显示屏包括显示模组，用于根据设备的控制显示对应的内容。
金属外壳2。
金属外壳设置于电磁触控屏背面，与显示屏相对设置，用于保护电磁触控屏的内部器件。从图2的剖面图可以看出，该金属外壳在电磁触控屏中的位置距离电磁屏较远，在边缘的位置距离电磁屏较近，从而会减弱电磁天线模组边缘部分的磁通量。
电磁屏1，电磁屏设置于显示屏与金属外壳之间，电磁屏包括电磁天线模组。
具体的，上述电磁天线模组即为电磁触控屏内的接收端，当使用电磁笔在电磁触控屏上书写时，电磁笔为发射端，电磁天线模组根据电磁笔的书写产生磁通量的变化，从而使电磁触控屏识别出电磁笔的书写操作。
边框6，连接金属外壳和显示屏，其中，边框为固体混合材料，混合材料中包括硅钢材料，边框用于增加边缘电磁天线模组的磁通量。
具体的，上述混合材料中的硅钢材料也被称为矽钢材料，上述边框与金属外壳和显示屏的连接方式可以是通过螺栓连接或粘和，其中的硅钢材料可以起到增加边缘电磁天线模组的磁通量的效果。
电磁触控屏的操作原理是，通过检测电磁笔操作过程中与显示屏下的电磁天线模组产生的磁场变化(磁通量变化)，来运算定义位置点。而对于边缘的电磁天线模组，由于电磁天线模组边缘的电磁信号会被金属后壳屏蔽一部分，因此可能出现检测到的磁通量较少，导致书写信号或控制信号难以被识别的问题。而本申请上述实施例使用含有硅钢材料的固体混合材料作为边框，通过固体混合材料中的硅钢材料，提高电磁屏边缘的电磁天线模组的磁通量，从而能够使得电磁天线模组边缘的书写信号或控制信号易于识别，进而改善了电磁触控屏边缘的书写性能，解决了现有技术中交互智能设备边缘的触控效果较差的技术问题。
作为一种可选的实施例，固体混合材料为硅钢材料和塑胶材料混合得到的固体混合材料。
硅材料和塑胶材料混合得到的固体混合材料仍为具有一定硬度的固体材料，作为电磁触控屏的边框，不仅具有较强的硬度防止电磁触控屏被碰撞，还具有一定的导磁性，增加边缘电磁天线模组的磁通量。
作为一种可选的实施例，硅钢材料和塑胶材料的比例为3:7。
硅钢材料的价格较高，如果在固体混合材料中的硅钢材料较多，则会导致电磁触控屏的成本较高，如果在固体混合材料中使用的硅钢材料较少，则会导致电磁触控屏的导磁性能较差，从而对电磁天线模组边框的磁通量增加有限，难以达到较好的改善电磁触控屏边缘书写性能的效果。上述比例即为在硅钢材料和塑胶材料中，硅钢材料的占比为30％，不仅能够较好的限制边框的成本，还在一定程度上增加了电磁天线模组的边缘的磁通量，有效的提高了电磁触控屏边缘的书写性能。
作为一种可选的实施例，金属外壳与电磁屏边缘的预设宽度相接。
具体的，结合图2所示，从金属外壳的剖面可以看出，金属外壳在边缘处收敛至与电磁屏相接，用于最终能够与边框连接。
作为一种可选的实施例，边框与金属外壳粘连，或通过螺栓连接。
实施例2
根据本申请实施例，提供了一种交互智能设备，包括实施例1中的电磁触控屏。
包括实施例1中的电磁触控屏的交互智能设备的边缘，由于固体混合材料的边框 增加了边缘电磁天线模组的磁通量，从而使得边缘电磁天线模组的磁通量能够被容易的检测，进而使得上述交互智能设备边缘的书写功能得到改善，不会出现断线、书写困难的情况。
还由于实施例1中的方案通过改变边框的材料来改善电磁触控屏边框的书写性能，无需在电磁触控屏中组装其他结构，从而使得电磁触控屏的组装过程简单且易于实现。
实施例3
根据本申请实施例，提供了一种边框，该边框的材料为硅钢材料和塑胶材料混合得到的固体混合材料。
该边框适用于电磁触控屏等电磁设备，用于增加边缘电磁天线模组的磁通量，从而改善电磁屏边缘的书写性能。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
在本申请的上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上所述仅是本申请的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。
工业实用性
如上所述，本申请至少部分实施例提供的电磁触控屏、交互智能设备和边框具有以下有益效果：通过选用含有硅钢材料的固体混合材料作为边框，通过固体混合材料中的硅钢材料，提高电磁屏边缘的电磁天线模组的磁通量，从而能够使得电磁天线模组边缘的书写信号或控制信号易于识别，进而改善了电磁触控屏边缘的书写性能，解决了现有技术中交互智能设备边缘的触控效果较差的技术问题。

Claims (11)

  1. 一种电磁触控屏，包括：
    显示屏；
    金属外壳；
    电磁屏，所述电磁屏设置于所述显示屏与所述金属外壳之间，所述电磁屏包括电磁天线模组；
    边框，连接所述金属外壳和所述显示屏，其中，所述边框为固体混合材料，所述混合材料中包括硅钢材料，所述边框用于增加边缘电磁天线模组的磁通量。
  2. 根据权利要求1所述的电磁触控屏，其中，所述固体混合材料为所述硅钢材料和塑胶材料混合得到的固体混合材料。
  3. 根据权利要求2所述的电磁触控屏，其中，所述硅钢材料和所述塑胶材料的比例为3:7。
  4. 根据权利要求1所述的电磁触控屏，其中，所述金属外壳与所述电磁屏边缘的预设宽度相接。
  5. 根据权利要求1所述的电磁触控屏，其中，所述边框与所述金属外壳粘连。
  6. 根据权利要求1所述的电磁触控屏，其中，所述边框与所述金属外壳通过螺栓连接。
  7. 一种交互智能设备，包括权利要求1至权利要求5中任意一项所述的电磁触控屏。
  8. 一种边框，所述边框的材料为硅钢材料和塑胶材料混合得到的固体混合材料。
  9. 根据权利要求8所述的边框，其中，所述硅钢材料和所述塑胶材料的比例为3:7。
  10. 根据权利要求1所述的电磁触控屏，其中，所述显示屏包括显示模组，用于根据设备的控制显示对应的内容。
  11. 根据权利要求1所述的电磁触控屏，其中，所述金属外壳设置于所述电磁触控屏背面，与所述显示屏相对设置，用于保护所述电磁触控屏的内部器件。
PCT/CN2018/115848 2018-07-26 2018-11-16 电磁触控屏、交互智能设备和边框 Ceased WO2020019587A1 (zh)

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