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CN203289635U - 弹簧板及应用该弹簧板的多功能发声器 - Google Patents

弹簧板及应用该弹簧板的多功能发声器 Download PDF

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CN203289635U
CN203289635U CN2013202537549U CN201320253754U CN203289635U CN 203289635 U CN203289635 U CN 203289635U CN 2013202537549 U CN2013202537549 U CN 2013202537549U CN 201320253754 U CN201320253754 U CN 201320253754U CN 203289635 U CN203289635 U CN 203289635U
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高开艳
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AAC Technologies Pte Ltd
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AAC Acoustic Technologies Shenzhen Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/01—Transducers used as a loudspeaker to generate sound aswell as a microphone to detect sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

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  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

本实用新型涉及了一种弹簧板及应用该弹簧板的多功能发声器，所述弹簧板包括周缘部和自所述周缘部向内侧延伸的内圈部，所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到其它元器件上的固定部。本实用新型的目的在于提供一种弹簧板及应用该弹簧板的多功能发声器，应用所述弹簧板的多功能发声器振动更加稳定、可靠性更好。

Description

弹簧板及应用该弹簧板的多功能发声器
【技术领域】
本实用新型涉及具有指向性功能的通信领域，尤其涉及一种多功能发声器及其使用方法。
【背景技术】
随着无线通讯的快速发展，全球移动电话越来越多，人们对移动电话的要求不仅仅限于基本通话，对手机的娱乐功能也提出了更多的要求。尤其是3Ｇ时代的到来，移动多媒体技术也随之发展，很多移动电话具有多种娱乐功能，如视频播放、数码摄像、游戏、ＧＰＳ导航等。因此，扬声器在手机中的作用越来越重要，如果移动电话内的扬声器播放的声音的音质不好或者音质不稳定，直接影响人们的娱乐体验。
通常，扬声器作为使得电信号介由音圈在磁路中转换为动能，并在空气中产生疏密波而产生声波的音频设备的一种，广泛使用于手机或各种便携式电子产品中。
手机之类的便携式电子产品为了通知来电信号或者实现骨导功能等而具备振动模块，而目前为了产品的小型化及节约成本等，广泛开发及使用在扬声器中实现振动功能的多功能扬声器。
这种传统的多功能扬声器内部的振子都靠弹簧板来支撑，在工作时，因为弹簧板的结构缺陷，常常造成振动不够稳定，可靠性不好。
因此，有必要针对上述缺点提供一种新型的弹簧板及应用该弹簧板的多功能发声器。
【实用新型内容】
本实用新型的目的在于提供一种弹簧板及应用该弹簧板的多功能发声器，应用所述弹簧板的多功能发声器振动更加稳定、可靠性更好。
一种弹簧板，所述弹簧板包括周缘部和自所述周缘部向内侧延伸的内圈部，所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到其它元器件上的固定部。
优选的，所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。
一种多功能发声器，所述多功能发声器包括中空的框架、与所述框架盖接的前盖、设于所述框架内的振动板、驱动所述振动板振动的音圈、以及收容于所述框架内用于进行振动的振子，所述多功能发声器设有用于悬置所述振子的弹簧板，所述弹簧板包括用于将弹簧板固定到所述框架上的周缘部和自所述周缘部向内侧延伸的内圈部，所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到所述振子上的固定部。
优选的，所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。
优选的，所述振子设有自振子正对固定部的表面延伸出的并与固定部形状相匹配的凸柱，所述形变部离振子正对形变部的表面的距离大于所述形变部垂直振动时的最大位移，所述固定部固定于该凸柱。
优选的，所述弹簧板包括固定于框架底端的第一弹簧板和与所述第一弹簧板平行间隔设置的第二弹簧板，所述振子固定于两个弹簧板之间且位于所述弹簧板中央。
优选的，所述第一弹簧板和第二弹簧板分别设有两个内圈部，穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面分别平分所述第一弹簧板和第二弹簧板。
优选的，所述第一弹簧板和第二弹簧板为两个结构相同、中间镂孔的弹片，所述第一弹簧板和第二弹簧板的周缘部在垂直向上相互重叠,并且穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面交叉设置。
本实用新型的有益效果在于:本实用新型的目的在于提供一种弹簧板及应用该弹簧板的多功能发声器，应用所述弹簧板的多功能发声器振动更加稳定、可靠性更好。
【附图说明】
图1是本实用新型弹簧板的立体图；
图2是应用图1所示弹簧板的多功能发声器的立体分解图；
图3是图2所示多功能发声器的装配图；
图4是图3所示多功能发声器沿A-A方向的剖视图；
图5是图2所述多功能发声器中弹簧板与质量环的分解图。
【具体实施方式】
下面结合附图和实施方式对本实用新型作进一步说明。
请参见图1所示，本实用新型提供了一种弹簧板1，所述弹簧板1包括周缘部10和自所述周缘部10向内侧延伸的内圈部11，所述内圈部11包括自周缘部10延伸的螺旋形的形变部111和位于形变部111尾端用于将所述内圈部11固定到其它元器件上的固定部112。
所述形变部111包括自所述周缘部10由宽至窄的渐变式延伸的第一部分1111和自所述第一部分1111由窄至宽的渐变式延伸并连接固定部112的第二部分1112。
如图2～4所示，一种多功能发声器2，所述多功能发声器2包括中空的框架20、与所述框架20盖接的前盖21、设于所述框架20内的振动板22、驱动所述振动板22振动的音圈23、以及收容于所述框架20内用于进行振动的振子24。所述多功能发声器2设有用于悬置所述振子24的弹簧板1，所述弹簧板1包括用于将弹簧板1固定到所述框架20上的周缘部10和自所述周缘部10向内侧延伸的内圈部11，所述内圈部11包括自周缘部10延伸的螺旋形的形变部111和位于形变部111尾端用于将所述内圈部11固定到所述振子24上的固定部112。
在本实用新型所提供的实施例中，所述振子24包括从上至下依次设置的极芯240、磁钢241和磁碗242所组成的磁路系统和收容所述磁路系统的中空的质量环243。
再结合图5所示，所述振子24设有自所述振子24正对固定部112的表面延伸出的并与固定部112形状相匹配的凸柱240，在本实用新型所提供的实施例中，所述凸柱240设置于所述质量环243上面。所述形变部111离所述正对形变部111的表面的距离H大于所述形变部111垂直振动时的最大位移，所述固定部112固定于该凸柱240。
所述弹簧板1包括固定于框架20底端的第一弹簧板1a和与所述第一弹簧板1a平行间隔设置的第二弹簧板1b，所述振子24固定于两个弹簧板1之间且位于所述弹簧板1中央。
所述第一弹簧板1a和第二弹簧板1b分别设有两个内圈部11，穿过所述第一弹簧板1a上的两个内圈部11的中心点并垂直于所述第一弹簧板1a的平面和穿过所述第二弹簧板1b上的两个内圈部11的中心点并垂直于所述第二弹簧板1b的平面分别平分所述第一弹簧板1a和第二弹簧板1b。
所述第一弹簧板1a和第二弹簧板1b为两个结构相同、中间镂孔的弹片，所述第一弹簧板1a和第二弹簧板1b的周缘部10在垂直向上相互重叠，并且穿过所述第一弹簧板1a上的两个内圈部11的中心点并垂直于所述第一弹簧板1a的平面和穿过所述第二弹簧板1b上的两个内圈部11的中心点并垂直于所述第二弹簧板1b的平面交叉设置。
本实用新型提供的多功能发声器2，应用所述弹簧板1后，其振动更加稳定、可靠性更好。
以上所述的仅是本实用新型的较佳实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (8)

1.一种弹簧板，其特征在于，所述弹簧板包括周缘部和自所述周缘部向内侧延伸的内圈部，所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到其它元器件上的固定部。
2.根据权利要求1所述的弹簧板，其特征在于：所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。
3.一种多功能发声器，所述多功能发声器包括中空的框架、与所述框架盖接的前盖、设于所述框架内的振动板、驱动所述振动板振动的音圈、以及收容于所述框架内用于进行振动的振子，其特征在于，所述多功能发声器设有用于悬置所述振子的弹簧板，所述弹簧板包括用于将弹簧板固定到所述框架上的周缘部和自所述周缘部向内侧延伸的内圈部，所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到所述振子上的固定部。
4.根据权利要求3所述的多功能发声器，其特征在于：所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。
5.根据权利要求3或4所述的多功能发声器，其特征在于：所述振子设有自振子正对固定部的表面延伸出的并与固定部形状相匹配的凸柱，所述形变部离振子正对形变部的表面的距离大于所述形变部垂直振动时的最大位移，所述固定部固定于该凸柱。
6.根据权利要求5所述的多功能发声器，其特征在于：所述弹簧板包括固定于框架底端的第一弹簧板和与所述第一弹簧板平行间隔设置的第二弹簧板，所述振子固定于两个弹簧板之间且位于所述弹簧板中央。
7.根据权利要求6所述的多功能发声器，其特征在于：所述第一弹簧板和第二弹簧板分别设有两个内圈部，穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面分别平分所述第一弹簧板和第二弹簧板。
8.根据权利要求7所述的多功能发声器，其特征在于，所述第一弹簧板和第二弹簧板为两个结构相同、中间镂孔的弹片，所述第一弹簧板和第二弹簧板的周缘部在垂直向上相互重叠,并且穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面交叉设置。
CN2013202537549U 2013-05-10 2013-05-10 弹簧板及应用该弹簧板的多功能发声器 Expired - Fee Related CN203289635U (zh)

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