WO2012155755A1 - 一种移动终端 - Google Patents

一种移动终端 Download PDF

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Publication number
WO2012155755A1
WO2012155755A1 PCT/CN2012/074314 CN2012074314W WO2012155755A1 WO 2012155755 A1 WO2012155755 A1 WO 2012155755A1 CN 2012074314 W CN2012074314 W CN 2012074314W WO 2012155755 A1 WO2012155755 A1 WO 2012155755A1
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WO
WIPO (PCT)
Prior art keywords
metal
mobile terminal
steel sheet
metal mesh
circuit board
Prior art date
Application number
PCT/CN2012/074314
Other languages
English (en)
French (fr)
Inventor
孙厚鑫
庞恩灵
Original Assignee
中兴通讯股份有限公司
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.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012155755A1 publication Critical patent/WO2012155755A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0277Details of the structure or mounting of specific components for a printed circuit board assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0274Details of the structure or mounting of specific components for an electrical connector module

Definitions

  • the utility model relates to a mobile communication technology, in particular to a mobile terminal.
  • the metal parts in the mobile terminal include: a front shell steel sheet and a receiver metal mesh. Both parts need to be grounded for electrostatic protection of the mobile terminal.
  • the structure of the components connected in the existing mobile terminal is as shown in FIG. 1, and includes: a receiver metal mesh 10, a conductive cloth 20, a front shell steel sheet 30, a metal dome 40, and a communication circuit board 50.
  • the communication circuit board 50 is assembled.
  • PCBA Printed Circuit Board Assembly
  • the metal wire 10 of the receiver is connected to the front steel piece 30 through the conductive cloth 20, and the metal elastic piece 40 is located above the front steel piece 30.
  • the PCBA50 presses the metal elastic piece 40 downward, so that the elastic piece 40 and the front are The shell steel sheet 30 is in contact.
  • the receiver metal mesh 10 and the front shell steel sheets 30 are respectively in communication with the ground potential of the PCBA 50. That is, the specific grounding path is as shown in FIG. 2.
  • the receiver metal mesh 10 communicates with the ground potential of the PCBA 50 through the conductive cloth 20, the front shell steel sheet 30, and the metal dome 40.
  • the front shell steel sheet 30 is directly connected to the ground potential of the PCBA 50 through the metal dome 40.
  • the receiver metal mesh 10 and the front shell steel sheet 30 have only one grounding path, and the receiver metal mesh 10 needs to pass through the conductive cloth 20, the front shell steel sheet 30, and the metal dome 40 to communicate with the ground potential of the PCBA 50, then If any two parts are in poor contact, the grounding of the metal mesh 10 of the receiver will be poor, which may cause the mobile terminal to malfunction. Therefore, the reliability of the existing metal parts grounding path is not high. Summary of the invention
  • the embodiment of the present invention provides a mobile terminal for improving the reliability of metal parts in a mobile terminal.
  • the embodiment of the present invention provides a mobile terminal, including: a receiver metal mesh 100, a metal dome 200, and a communication circuit board 300, wherein
  • the received metal mesh 100 communicates with the ground potential on the communication circuit board 300 through the metal dome 200.
  • the received metal mesh in the mobile terminal, can communicate with the ground potential on the communication circuit board only through the metal dome. In this way, the probability of poor contact between the intermediate connecting parts is reduced, and the reliability of the grounding of the metal mesh of the receiver is improved.
  • FIG. 1 is a structural diagram of a mobile terminal in the prior art
  • FIG. 2 is a schematic diagram of a ground path in the prior art
  • FIG. 3 is a structural diagram of a mobile terminal in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a grounding path in an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a mobile terminal in a specific embodiment of the present invention. detailed description
  • the metal mesh of the receiver can communicate with the ground potential on the communication circuit board through the metal dome, thereby reducing the intermediate connecting parts, thereby reducing the probability of contact failure between the parts, and improving the mobile terminal. Reliability of grounding of metal parts.
  • the front shell steel sheet is not only connected to the ground potential of the communication circuit board through the metal dome, but also connected to the metal mesh of the receiver, so that the front shell steel sheet can also pass through the metal mesh of the receiver, and the metal dome and the ground on the communication circuit board.
  • the potential is connected, so that the front shell steel sheet has two ground paths; and the metal mesh of the receiver can also pass through the front shell steel sheet, and the metal dome and the communication circuit board.
  • the ground potential is connected, so that the receiver metal mesh also has two ground paths, which further improves the reliability of the grounding of the metal parts in the mobile terminal.
  • the mobile terminal includes: a receiver metal mesh 100, a metal dome 200, and a communication circuit board 300.
  • the receiver metal mesh 100 is in contact with the metal dome 200, and the metal dome 200 is in contact with the communication circuit board 300. Therefore, the received metal mesh 100 communicates with the ground potential on the communication circuit board 300 through the metal dome 200.
  • the metal dome 200 is located above the receiver metal mesh 100 and is in contact with the received metal mesh 100
  • the communication circuit board 300 is located above the metal dome 200 and is in contact with the metal dome 200.
  • the present invention is not limited thereto, and other contact positions are also possible, for example, the receiver metal mesh 100, and the communication circuit board 300 are respectively located on the left and right sides of the metal dome 200.
  • the metal mesh 100 and the metal dome 200 can be contacted by hot melt or press bonding.
  • the receiver metal mesh 100 can communicate with the ground potential on the communication circuit board 300 only through the metal dome 200, thereby reducing the probability of poor contact between the intermediate connecting parts and improving the reliability of the grounding of the metal mesh 100 of the receiver.
  • the mobile terminal further includes a metal piece, which is a front piece steel piece 400 which is injection molded in a steel sheet.
  • the front shell steel sheet 400 communicates with the ground potential on the communication circuit board 300 through the metal dome 200. That is, after the communication circuit board 300 is in contact with the metal dome 200, the metal dome 200 is coupled to the front shell steel sheet 400.
  • the metal dome 200 is positioned above the front shell steel sheet 400, and the communication circuit board 300 is positioned above the metal dome 200.
  • the present invention is not limited thereto, and other contact positions are also possible, for example, the front shell steel sheet 400, and the communication circuit board 300 are respectively located on the left and right sides of the metal dome 200.
  • the front shell steel sheet 400 may or may not be in contact with the received metal mesh 100.
  • the specific grounding path is as shown in FIG. 4, wherein the front shell steel sheet 400 is not only directly connected to the ground potential on the communication circuit board 300 through the metal dome 200, but also The grounded metal mesh 100 and the metal dome 200 communicate with the ground potential on the communication circuit board 300.
  • the front shell steel sheet 400 has two grounding paths, which improves the reliability of the grounding of the front shell steel sheet 400.
  • the received metal mesh 100 not only communicates directly with the ground potential on the communication circuit board 300 through the metal dome 200, but also communicates with the ground potential on the communication circuit board 300 through the front case steel sheet 400 and the metal dome 200.
  • the received metal mesh 100 has two grounding paths, which further improves the reliability of the grounding of the received metal mesh 100.
  • the mobile terminal includes: a receiver metal mesh 100, a metal dome 200, a communication circuit board 300, and a front shell steel sheet 400.
  • the communication circuit board 300 is a PCBA300. among them,
  • the receiving metal mesh 100 includes at least one resilient foot such that the received metal mesh 100 can be in contact with the front casing steel sheet 400 through the spring.
  • the receiving metal mesh 100 is placed over the metal dome 200, that is, the metal dome 200 is above the received metal mesh 100, and the metal dome 200 and the received metal mesh 100 are thermally fixed.
  • the PCBA presses the metal dome 200 downward, so that the metal dome 200 is pressed and contacts the front shell steel sheet 400.
  • the metal dome 200 is not in contact with the front shell steel sheet 400.
  • the embodiment of the present invention is not limited thereto.
  • the metal dome 200 may be in contact with the front shell steel sheet 400, thus assembling the PCBA300. Thereafter, the metal dome 200 is in closer contact with the front shell steel sheet 400.
  • the receiver metal mesh 100, the metal dome 200, and the front shell steel sheet 400 form a loop. Therefore, the receiver metal mesh 100 and the front shell steel sheet 400 have two grounding paths, as shown in Fig. 4, and will not be described again.
  • the received metal mesh in the mobile terminal, can communicate with the ground potential on the communication circuit board only through the metal dome. In this way, the contact between the intermediate connecting parts is reduced. The poor probability increases the reliability of the grounding of the metal mesh of the receiver. Moreover, a conductive cloth is not required, which reduces the consumption of materials. Thereby, material cost and assembly cost are reduced, and the cost of the mobile terminal is further reduced.
  • the metal mesh of the receiver, the steel shell of the front shell, and the metal shrapnel are in contact with each other to form a loop.
  • the metal mesh of the receiver is not only directly connected to the ground potential of the communication circuit board through the metal dome, but also passes through the front shell steel sheet.
  • the metal shrapnel communicates with the ground potential on the communication circuit board, further improving the reliability of the grounding of the metal mesh of the receiver.
  • the front shell steel sheet not only communicates directly with the ground potential of the communication circuit board through the metal dome, but also communicates with the ground potential of the communication circuit board through the metal mesh and the metal dome, so that the front shell steel sheet also has two The grounding path improves the reliability of the grounding of the front shell steel sheet. Thereby, the grounding reliability of the mobile terminal is improved.
  • the probability of contact failure of the intermediate connecting component is reduced, and the reliability of the grounding of the metal mesh of the receiver is improved.

Abstract

本实用新型公开了一种移动终端,用以提高移动终端中金属件接地的可靠性。该移动终端,其特征在于,包括:受话器金属网100、金属弹片200,通讯电路板300,其中,所述受话金属网100通过所述金属弹片200与所述通讯电路板300上的地电位连通。

Description

一种移动终端 技术领域
本实用新型涉及移动通信技术, 特别涉及一种移动终端。 背景技术
随着移动通信技术的发展, 移动终端的性能在不断提高, 功能也在不 断的完善, 这对移动终端的静电防护的要求也越来越高。
目前, 移动终端中的金属件包括: 前壳钢片和受话器金属网。 这两个 零件都需要进行接地, 才能对移动终端进行静电防护。 现有的移动终端中 零件连接的架构如图 1所示, 包括: 受话器金属网 10、 导电布 20、 前壳钢 片 30、 金属弹片 40和通讯电路板 50, 这里, 通讯电路板 50为组装的印制 线路板 ( PCBA, Printed Circuit Board Assembly )。 其中, 受话器金属网 10 通过导电布 20与前壳钢片 30连接, 金属弹片 40位于前壳钢片 30的上方, 这样, 组装 PCBA50后, PCBA50向下压金属弹片 40, 使得属弹片 40与前 壳钢片 30接触。 从而, 受话器金属网 10, 前壳钢片 30分别与 PCBA50的 地电位连通。即具体接地路径如图 2所示,受话器金属网 10通过导电布 20、 前壳钢片 30、 以及金属弹片 40与 PCBA50的地电位连通。 而前壳钢片 30 直接通过金属弹片 40与 PCBA50的地电位连通。
可见,受话器金属网 10,以及前壳钢片 30都只有一条接地路径,并且, 受话器金属网 10需要通过导电布 20、 前壳钢片 30、 以及金属弹片 40才能 与 PCBA50的地电位连通, 那么, 其中任意两个零件出现接触不良时, 就 会导致受话器金属网 10接地不良,从而, 易导致移动终端出现故障。 因此, 现有的金属件接地途径的可靠性不高。 发明内容
本实用新型实施例提供一种移动终端, 用以提高移动终端中金属件接 地的可靠性。
本实用新型实施例提供一种移动终端, 包括: 受话器金属网 100、 金属 弹片 200, 通讯电路板 300, 其中,
所述受话金属网 100通过所述金属弹片 200与所述通讯电路板 300上 的地电位连通。
本实用新型实施例中, 移动终端中, 受话金属网只需通过金属弹片就 可与通讯电路板上的地电位连通。 这样, 减少了中间的连接零件出现接触 不良的概率, 提高了受话器金属网接地的可靠性。 附图说明
图 1为现有技术中移动终端的架构图;
图 2为现有技术中接地路径示意图;
图 3为本实用新型实施例中移动终端的架构图;
图 4为本实用新型实施例中接地路径示意图;
图 5为本实用新型具体实施例中移动终端的架构图。 具体实施方式
本实用新型实施例中, 受话器金属网只需通过金属弹片就可与通讯电 路板上的地电位连通, 减少了中间的连接零件, 从而减少了零件间出现接 触不良的概率, 提高了移动终端中金属件接地的可靠性。
另外, 前壳钢片不仅通过金属弹片与通讯电路板上的地电位连通, 还 与受话器金属网连接, 这样, 前壳钢片还可通过受话器金属网, 以及金属 弹片与通讯电路板上的地电位连通, 从而, 前壳钢片有两条接地路径; 并 且, 受话器金属网同样也可以通过前壳钢片, 以及金属弹片与通讯电路板 上的地电位连通, 这样, 受话器金属网也两条接地路径, 这都进一步提高 了移动终端中金属件接地的可靠性。
参见图 3 , 移动终端包括: 受话器金属网 100、 金属弹片 200, 通讯电 路板 300, 其中, 受话器金属网 100与金属弹片 200接触, 金属弹片 200与 通讯电路板 300接触。 因此, 受话金属网 100通过金属弹片 200与通讯电 路板 300上的地电位连通。
一般地, 金属弹片 200位于受话器金属网 100上方, 且与受话金属网 100接触, 而通讯电路板 300位于金属弹片 200的上方, 且与金属弹片 200 接触。 当然, 本实用新型也不限于此, 其他的接触位置也可以, 例如: 受 话器金属网 100, 以及通讯电路板 300分别位于金属弹片 200的左右两侧。
其中, 受话金属网 100与金属弹片 200可通过热熔或压合的方式接触。 这里, 受话器金属网 100只通过金属弹片 200就可与通讯电路板 300 上的地电位连通, 减少了中间的连接零件出现接触不良的概率, 提高了受 话器金属网 100接地的可靠性。
在本实用新型实施例中, 该移动终端还包括一个金属件, 该金属件为 钢片模内注塑成型的前壳钢片 400。前壳钢片 400通过金属弹片 200与通讯 电路板 300上的地电位连通。 即通讯电路板 300与金属弹片 200接触后, 金属弹片 200与前壳钢片 400连接。
一般地, 金属弹片 200位于前壳钢片 400的上方, 而通讯电路板 300 位于金属弹片 200 的上方。 当然, 本实用新型也不限于此, 其他的接触位 置也可以, 例如: 前壳钢片 400, 以及通讯电路板 300分别位于金属弹片 200的左右两侧。
前壳钢片 400可以与受话金属网 100接触或者不接触。当前壳钢片 400 与受话金属网 100接触时, 具体的接地路径如图 4所示, 其中, 前壳钢片 400不仅直接通过金属弹片 200与通讯电路板 300上的地电位连通,并且还 通过受话金属网 100,以及金属弹片 200与通讯电路板 300上的地电位连通, 这样, 前壳钢片 400有两条接地路径, 提高了前壳钢片 400接地的可靠性。 与此同时, 受话金属网 100不仅直接通过金属弹片 200与通讯电路板 300 上的地电位连通, 并且还通过前壳钢片 400, 以及金属弹片 200与通讯电路 板 300上的地电位连通, 这样, 受话金属网 100有两条接地路径, 进一步 提高了受话金属网 100接地的可靠性。
下面结合说明书附图对本实用新型实施例作进一步详细描述。
参见图 5 , 本实施例中, 移动终端包括: 受话器金属网 100、 金属弹片 200,通讯电路板 300,和前壳钢片 400。这里,通讯电路板 300为 PCBA300。 其中,
受话金属网 100包括至少一个弹脚, 这样, 受话金属网 100可通过弹 脚与前壳钢片 400接触。
受话金属网 100与金属弹片 200重叠放置, 即金属弹片 200在受话金 属网 100的上方, 金属弹片 200与受话金属网 100之间采用热熔固定的接 触方式。
组装 PCBA300后, PCBA向下压金属弹片 200, 这样, 金属弹片 200 受压后与前壳钢片 400接触。 这里, 组装 PCBA300之前, 金属弹片 200与 前壳钢片 400不接触,但是,本实用新型实施例不限于此,在组装 PCBA300 之前, 金属弹片 200可以与前壳钢片 400接触, 这样, 组装 PCBA300后, 金属弹片 200与前壳钢片 400接触的更加紧密。
通过上述描述, 组装 PCBA300后, 受话器金属网 100、 金属弹片 200, 和前壳钢片 400三个零件形成了环路。 从而, 受话器金属网 100和前壳钢 片 400都有两条接地路径, 具体如图 4所示, 就不再赘述了。
本实用新型实施例中, 移动终端中, 受话金属网只需通过金属弹片就 可与通讯电路板上的地电位连通。 这样, 减少了中间的连接零件出现接触 不良的概率, 提高了受话器金属网接地的可靠性。 并且, 不需要导电布, 减少了对材料的消耗。 从而, 降低材料成本和组装成本, 进一步减少移动 终端的成本。
另外, 受话金属网, 前壳钢片, 金属弹片两两接触, 形成环路, 这样, 受话金属网不仅直接通过金属弹片与通讯电路板上的地电位连通, 并且还 通过前壳钢片, 以及金属弹片与通讯电路板上的地电位连通, 进一步地, 提高了受话器金属网接地的可靠性。
同时, 前壳钢片不仅直接通过金属弹片与通讯电路板上的地电位连通, 并且还通过受话金属网, 以及金属弹片与通讯电路板上的地电位连通, 这 样, 前壳钢片也有两条接地路径, 提高了前壳钢片接地的可靠性。 从而, 提高了移动终端的接地可靠性。
显然, 本领域的技术人员可以对本实用新型进行各种改动和变型而不 脱离本实用新型的精神和范围。 这样, 倘若本实用新型的这些修改和变型 属于本实用新型权利要求及其等同技术的范围之内, 则本实用新型也意图 包含这些改动和变型在内。
工业实用性
本实用新型实施例通过在移动终端中将受话金属网通过金属弹片与通 讯电路板上的地电位连通, 减少了中间的连接零件出现接触不良的概率, 提高了受话器金属网接地的可靠性。

Claims

权利要求书
1、 一种移动终端, 其中, 包括: 受话器金属网、 金属弹片, 通讯电路 板, 其中,
所述受话金属网通过所述金属弹片与所述通讯电路板上的地电位连 通。
2、 根据权利要求 1所述的移动终端, 其中, 所述金属弹片位于所述受 话金属网的上方, 且与所述受话金属网接触。
3、 根据权利要求 1所述的移动终端, 其中, 所述通讯电路板位于所述 金属弹片的上方, 且与所述金属弹片接触。
4、 根据权利要求 1至 3任一所述的移动终端, 其中, 还包括: 前壳钢 片, 其中,
所述前壳钢片通过所述金属弹片与所述通讯电路板上的地电位连通。
5、 根据权利要求 4所述的移动终端, 其中, 所述金属弹片位于所述前 壳钢片的上方。
6、 根据权利要求 4所述的移动终端, 其中, 所述前壳钢片与所述受话 金属网接触。
7、 根据权利要求 6所述的移动终端, 其中, 所述受话金属网包括至少 一个弹脚, 所述弹脚与所述前壳钢片接触。
8、 根据权利要求 4所述的移动终端, 其中, 所述前壳钢片由钢片模内 注塑成型。
9、 根据权利要求 2所述的移动终端, 其中, 所述受话金属网与所述金 属弹片通过热熔或压合的方式接触。
PCT/CN2012/074314 2011-05-18 2012-04-18 一种移动终端 WO2012155755A1 (zh)

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CN2011201585122U CN202068457U (zh) 2011-05-18 2011-05-18 一种移动终端
CN201120158512.2 2011-05-18

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WO2012155755A1 true WO2012155755A1 (zh) 2012-11-22

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CN105356077B (zh) * 2015-11-09 2017-10-17 广东欧珀移动通信有限公司 接地装置及移动终端
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