WO2011038599A1 - 一种手机按键板 - Google Patents

一种手机按键板 Download PDF

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Publication number
WO2011038599A1
WO2011038599A1 PCT/CN2010/074518 CN2010074518W WO2011038599A1 WO 2011038599 A1 WO2011038599 A1 WO 2011038599A1 CN 2010074518 W CN2010074518 W CN 2010074518W WO 2011038599 A1 WO2011038599 A1 WO 2011038599A1
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WIPO (PCT)
Prior art keywords
electrode
mobile phone
button
phone keypad
key
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Ceased
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PCT/CN2010/074518
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English (en)
French (fr)
Inventor
陈伟
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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Application filed by Huizhou TCL Mobile Communication Co Ltd filed Critical Huizhou TCL Mobile Communication Co Ltd
Priority to US13/393,957 priority Critical patent/US9530589B2/en
Priority to EP10819828.4A priority patent/EP2472543A4/en
Publication of WO2011038599A1 publication Critical patent/WO2011038599A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
    • H01H13/79—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the form of the contacts, e.g. interspersed fingers or helical networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/027—Composite material containing carbon particles or fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/02—Interspersed fingers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/038—Form of contacts to solve particular problems to be bridged by a dome shaped contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/066—Actuators replaceable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset

Definitions

  • the invention relates to a mobile phone key structure device, in particular to an improvement of a mobile phone key structure.
  • the buttons of ordinary mobile phones generally use DOME buttons, DOME buttons: DOME films (metal shrapnel) are attached on the PCB circuit board, as shown in Figure 1, DOME buttons include, PCB circuit board 110, metal shrapnel (not shown) Marked and two electrodes disposed on the PCB circuit board are electrode 120 and electrode 130, respectively.
  • the DOME deformation conduction electrode is used to realize the button function of the mobile phone, and the service life can reach more than 1 million times, which has little effect on the appearance of the mobile phone. Since the stroke is small 0.3mm, the ultra-thin button can be made, and the buttons have various appearances.
  • the common ones are PC+rubber, PC+film, rubber, etc., but their implementation cost is high.
  • the motherboards used by different models of mobile phones are also different.
  • the prior art keypads are designed in a single situation and cannot meet the needs of different customers. For example, some customers have to do the DOME button design of the mobile phone circuit board, but also want to use the same type of low-cost buttons.
  • the circuit board can only be redesigned to design another template for the motherboard according to the prior art, which greatly increases the development time. Therefore, the prior art mobile phone motherboard does not have compatibility, which brings inconvenience to the production.
  • the object of the present invention is to provide a mobile phone keypad, which provides a keypad that can simultaneously adapt different types of button settings, which can be compatible with both ultra-low end products and ordinary ones. Buttons reduce development time and reduce production costs.
  • the present invention adopts the following scheme:
  • a mobile phone keypad for a mobile phone keypad circuit comprising a PCB circuit board, wherein the PCB circuit board is provided with a first electrode, a second electrode and a third electrode, and the second electrode is annular around the first electrode It is provided that a tooth-shaped structure that cooperates with the third electrode is disposed outside the second electrode, and the first electrode is in communication with the third electrode for adapting different types of button settings.
  • the first electrode and the second electrode are concentrically arranged.
  • the second electrode is disposed in an elliptical shape around the first electrode.
  • the second electrode and the first electrode are both rounded with a trimming edge.
  • the center point of the first electrode, the center point of the second electrode, and the center point of the third electrode coincide.
  • the present invention provides a mobile phone keypad. Since the first circuit, the second electrode and the third electrode are disposed on the PCB circuit board, the second electrode is annularly disposed around the first electrode, and the second The outer side of the electrode is extended with a toothed structure that cooperates with the third electrode, and the first electrode is connected to the third electrode for adapting different types of button settings, so that the spring button can be used (cost High) It is also possible to use conductive carbon particle buttons (low cost). If the customer needs different key style requirements, just redesign the button to meet the two requirements, and the motherboard does not need to be redesigned, which greatly shortens the development time and reduces the cost.
  • FIG. 1 is a schematic structural view of a key sheet in the prior art
  • FIG. 2 is a schematic structural diagram of a keypad of a mobile phone according to an embodiment of the present invention.
  • FIG. 3 is a partial schematic diagram of a TCL U2 mobile phone keypad according to an embodiment of the present invention.
  • the present invention provides a mobile phone keypad.
  • the present invention will be further described in detail below with reference to the accompanying drawings.
  • a mobile phone keypad provided by an embodiment of the present invention is mainly used in a mobile phone circuit, as shown in FIG. 2, and includes a PCB circuit board 300.
  • the first circuit 201 and the second electrode are disposed on the PCB circuit board 300.
  • the first electrode 201 can be a solid conductive circle
  • the second electrode 202 is annularly disposed around the first electrode 201
  • the first electrode 201 and the second electrode 202 can pass A metal dome is turned on.
  • a DOME film is attached to the top of the 202, and a mobile phone keyboard is installed above the DOME film.
  • the common keyboard is divided into a PC+rubber (rubber button) and a PC+film (film button).
  • the metal spring is deformed and connected to the first electrode 201 and the second electrode 202 by pressing a button on the keyboard of the mobile phone, and then the microprocessor is processed by the microprocessor of the mobile phone to implement the function of the button.
  • the life span can reach more than 1 million times, which has little effect on the appearance of the mobile phone. Since the stroke is as small as 0.3mm, the ultra-thin button can be made, and the buttons have various appearances.
  • a type of mobile phone motherboard can be compatible with a plurality of buttons to meet the needs of different customers.
  • the present invention improves the electrodes on the main board of the mobile phone, and is extended outside the second electrode 202.
  • a plurality of toothed structures 022 and the third electrode 203 is disposed to cross-fit with the toothed structure 022 of the second electrode, and the first electrode 201 is in communication with the third electrode phase 203, and can be used to adapt to different Type of button settings.
  • the present invention only needs to install the electric carbon particle button on the first electrode 201, the second electrode 202 and the third electrode 203 to directly realize the low-key design, so that the conductive particle button can be turned on there.
  • the realization of a mobile phone keypad can be compatible with the metal dome button and the electric carbon button; instead of redesigning the motherboard for the carbon button, the development time is greatly shortened.
  • the design of ordinary conductive carbon particles is not yet adopted by the company on the mobile phone, which is a new breakthrough in the field of mobile phone keys.
  • the present invention can meet the needs of different customers, and can ensure that both the shrapnel button (high cost) and the conductive carbon particle button (low cost) can be used, and a compatible button with three electrodes is used for the competition.
  • the motherboard of the mobile phone model can be compatible with the shrapnel button and the conductive carbon button. If the customer needs different button style requirements, only two buttons can be redesigned to meet the two requirements, and the motherboard does not need to be redesigned, thus greatly shortening the development time. Reduced costs.
  • the first electrode 201 may be a circular shape, an elliptical shape, or a circular shape with a trimming edge.
  • the second electrode 202 is disposed around the first electrode 201, and may also be disposed in a circular shape or an elliptical shape. Or a circular shape with a trimmed edge, and the outer side of the second electrode 202 is extended with a toothed structure, and the third electrode 203 needs to be cross-fitted with the toothed structure of the second electrode 202 to facilitate the mounting of the conductive carbon.
  • the first electrode 201 and the second electrode 202 of the present invention employ a circular electrode with two trimming edges, as shown in FIG.
  • the electrodes of the present invention can also be shaped into other shapes, such as rectangular with rounded corners or other irregular shapes.
  • the shape of the second electrode may be matched with the shape of the first electrode.
  • the center point of the first electrode 201 coincides with the center point of the annular ring of the second electrode 202, and the center point of the corresponding third electrode 203 may also be disposed at the center of the first electrode 201.
  • the point coincides with the center point of the annular ring of the second electrode 202.
  • the first electrode 201 is a circular electrode
  • the second electrode 202 group and the first electrode 201 form a concentric circle structure.
  • the motherboard of the T2 U2 model mobile phone adopts a four-layer board design. Due to the relationship of hardware routing, the U2 mobile phone has an upper navigation key 290 and a lower navigation key 280.
  • the upper and lower navigation keys can use the shrapnel button, and can also use the conductive carbon grain button to achieve compatibility of the phone with different types of buttons.
  • the present invention provides a mobile phone keypad. Since the first circuit, the second electrode and the third electrode are disposed on the PCB circuit board, the second electrode is annularly disposed around the first electrode, and the second The outer side of the electrode is extended with a toothed structure that cooperates with the third electrode, and the first electrode is connected to the third electrode for adapting different types of button settings, so that the spring button can be used (cost High) It is also possible to use conductive carbon particle buttons (low cost). If the customer needs different key style requirements, just redesign the button to meet the two requirements, and the motherboard does not need to be redesigned, which greatly shortens the development time and reduces the cost.
  • the button device provided by the present invention is not limited to the mobile phone, and can be applied to the fields of a television remote controller, an air conditioner remote controller, a television or a control key of a high-end electronic product.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)

Description

一种手机按键板
技术领域
本发明涉及一种手机按键结构装置，特别涉及一种手机按键结构的改进。
背景技术
随着通信技术的发展和人们生活水平的提高，手机已经成为人们生活中很重要的一部分。
目前，普通手机的按键一般采用DOME按键，DOME按键：是在PCB电路板上贴上DOME片（金属弹片），如图1所示，DOME按键包括，PCB电路板110，金属弹片（图中未标出）和设置在所述PCB电路板上的两个电极，分别为电极120和电极130。在按键下压时，依靠DOME变形导通电极，实现手机的按键功能，寿命可达100万次以上，对手机外观影响不大，由于行程小为0.3mm，可以做超薄按键，按键外观多样化，常见的为PC＋rubber，PC＋film，rubber等，但其实现成本高。
随着市场上的消费群体不同，手机的款式和型号也不相同，相应地，不同型号的手机采用的主板也不相同。但现有技术的按键板都是单一形势的结构设计，不能满足不同客户的需求，例如有的客户先前需做DOME按键设计的手机电路板，但也想做同一型号的能使用低成本的按键的电路板，按现有技术只能重新去给主板设计另一模板，这样大大增加开发时间。所以现有技术中的手机主板不具有兼容性，给生产带来了不便。
因而，现有技术还有待于改进和提高。
发明内容
本发明的目的在于为解决上述现有技术中的缺陷，提供一种手机按键板，提供了一种可同时适配不同种类按键设置的按键板，其既可以兼容超低端产品又可以采用普通按键，且减少了开发时间，降低了生产成本。
为解决上述技术问题，本发明采用以下方案：
一种手机按键板，用于手机按键电路，包括PCB电路板，其中，所述PCB电路板上设置有第一电极、第二电极和第三电极，所述第二电极围绕第一电极呈环形设置，所述第二电极外侧延伸设置有与所述第三电极相配合的齿形结构，且所述第一电极与第三电极相连通，用于适配不同种类的按键设置。
所述的手机按键板，其中，所述第一电极和第二电极为同心圆设置。
所述的手机按键板，其中，所述第二电极围绕第一电极呈椭圆形设置。
所述的手机按键板，其中，所述第二电极和第一电极都带切边的圆形。
所述的手机按键板，其中，所述第一电极的中心点、第二电极的中心点和第三电极的中心点重合。
本发明提供了一种手机按键板，由于采用了所述PCB电路板上设置有第一电极、第二电极和第三电极，所述第二电极围绕第一电极呈环形设置，所述第二电极外侧延伸设置有与所述第三电极相配合的齿形结构，且所述第一电极与第三电极相连通，用于适配不同种类的按键设置，这样即可以使用用弹片按键（成本高）又可以使用导电碳粒按键（成本低）。如果客户需不同的按键样式需求，只需重新设计按键就可以满足两种要求，而主板不需要重新设计，这样大大缩短的开发时间，降低了成本。
附图说明
图1为现有技术中按键板的结构示意图；
图2为本发明实施例的手机按键板结构示意图；
图3为本发明实施提供的TCL公司U2手机按键板局部示意图。
具体实施方式
本发明提供了一种手机按键板，为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实例对本发明进一步详细说明。
本发明实施例所提供的一种手机按键板，主要用于手机电路中，如图2所示，包括PCB电路板300，在所述PCB电路板300上设置有第一电极201、第二电极202和第三电极203，所述第一电极201可为一实心导电圆，所述第二电极202围绕所述第一电极201呈环形设置，所述第一电极201与第二电极202可通过一金属弹片实现导通。
例如在所述第一电极201和第二电极 202上方贴上DOME片，在DOME片的上方装设手机键盘，常见的键盘分为PC+rubber（橡胶按键），PC+film（薄膜按键）等。用户操作时，只需按下手机键盘上的键，使所述金属弹片变形连接所述第一电极201和第二电极202导通过，然后经过手机的微处理器处理实现按键的功能。依靠DOME片变形导通电极，寿命可达100万次以上，对手机外观影响不大，由于行程小为0.3mm，可以做超薄按键，按键外观多样化。
为了实现按键的兼容性，使一种型号的手机主板能兼容多种按键，以满足不同客户的需求，本发明对手机主板上的电极做了改进，在所述第二电极202外侧延伸设置有多个齿形结构022，且所述第三电极203设置与所述第二电极的齿形结构022相互交叉配合，并且所述第一电极201与第三电极相203连通，可用于适配不同种类的按键设置。例如有的客户先前需做DOME按键设计的手机电路板，但也想做同一型号的手机电路板能使用低成本的按键如普通导电碳粒按键，而按现有技术只能重新去给主板设计另一模板，这样大大增加开发时间。而本发明只需在所述第一电极201、第二电极202和第三电极203上方装上电碳粒按键就可直接实现低本的按键设计，这样无论导电粒按键在那里均可以导通，实现一个手机按键板同时可兼容金属弹片按键与电碳粒按键；而不需要重新设计适用电碳粒按键的主板，这样大大缩短的开发时间。且普通导电碳粒的设计在手机上目前还没有那家公司采用，这是一个手机按键领域的新突破。
这样，本发明可满足不同客户的需求，保证既可以使用弹片按键（成本高）又可以使用导电碳粒按键（成本低），有争对的采用带有三个电极的兼容性按键，实现了一种手机型号的主板能兼容弹片按键和导电碳粒按键，如果客户需不同的按键样式需求，只需重新设计按键就可以满足两种要求，而主板不需要重新设计，这样大大缩短的开发时间，降低了成本。
其中，所述第一电极201可以设为圆形、椭圆形，或者带切边的圆形，所述第二电极202围绕所述第一电极201而设，也可以设置为圆形、椭圆形，或者带切边的圆形，且所述第二电极202的外侧延伸设置有齿形结构，所述第三电极203需与第二电极202的齿形结构相交叉配合，便于按装导电碳粒按键，优选实施例中，为了便于电路板的硬件走线，本发明所述第一电极201和第二电极202采用带两切边的圆形电极，如图2所示。当然本发明的电极还可以设为其它形状，比如带圆角的矩形或者其它不规则的形状。为了保证按键的整体美观效果，本实施例中，所述第二电极的形状可与第一电极的形状相配合设置。
在进一步的实施例中，所述第一电极201的中心点与第二电极202的环形圈的中心点重合，对应的第三电极203的中心点也可以设置与所述第一电极201的中心点与第二电极202的环形圈的中心点重合。比如，当第一电极201采用圆形电极时，所述第二电极202组与第一电极201组成了一个同心圆结构。
在进一步的实施例中，如图3所示，TCL公司的U2型号手机的主板，其采用四层板设计，由于硬件走线的关系，U2手机中在上导航键290，下导航键280上做了兼容设计，其上，下导航键既可使用弹片按键，又可以使用导电碳粒按键，实现了手机适配不同种类按键的兼容性。
本发明提供了一种手机按键板，由于采用了所述PCB电路板上设置有第一电极、第二电极和第三电极，所述第二电极围绕第一电极呈环形设置，所述第二电极外侧延伸设置有与所述第三电极相配合的齿形结构，且所述第一电极与第三电极相连通，用于适配不同种类的按键设置，这样即可以使用用弹片按键（成本高）又可以使用导电碳粒按键（成本低）。如果客户需不同的按键样式需求，只需重新设计按键就可以满足两种要求，而主板不需要重新设计，这样大大缩短的开发时间，降低了成本。当然本发明提供的按键装置绝不只限于手机这一种产品，可以应用到电视机遥控器，空调遥控器，电视机或高端电子产品的控制键等领域。
可以理解的是，对本领域普通技术人员来说，可以根据本发明的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。

Claims (5)

  1. 一种手机按键板，用于手机按键电路，包括PCB电路板，其特征在于，所述PCB电路板上设置有第一电极、第二电极和第三电极，所述第二电极围绕第一电极呈环形设置，所述第二电极外侧延伸设置有与所述第三电极相配合的齿形结构，且所述第一电极与第三电极相连通，用于适配不同种类的按键设置。
  2. 根据权利要求1所述的手机按键板，其特征在于，所述第一电极和第二电极为同心圆设置。
  3. 根据权利要求1所述的手机按键板，其特征在于，所述第二电极围绕第一电极呈椭圆形设置。
  4. 根据权利要求1所述的手机按键板，其特征在于，所述第二电极和第一电极为带切边的圆形。
  5. 根据权利要求1所述的手机按键板，其特征在于，所述第一电极的中心点、第二电极的中心点和第三电极的中心点重合。
PCT/CN2010/074518 2009-09-29 2010-06-25 一种手机按键板 Ceased WO2011038599A1 (zh)

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US13/393,957 US9530589B2 (en) 2009-09-29 2010-06-25 Key board of mobile phone
EP10819828.4A EP2472543A4 (en) 2009-09-29 2010-06-25 CELLPHONE KEYBOARD

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CN2009101905109A CN101931676B (zh) 2009-09-29 2009-09-29 一种手机按键板

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CN101931676B (zh) 2013-05-15
EP2472543A4 (en) 2014-06-11
US9530589B2 (en) 2016-12-27
CN101931676A (zh) 2010-12-29
EP2472543A1 (en) 2012-07-04
US20120165079A1 (en) 2012-06-28

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