CN102412696B - 一种音圈马达及其组装工艺 - Google Patents

一种音圈马达及其组装工艺 Download PDF

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CN102412696B
CN102412696B CN201110413124.9A CN201110413124A CN102412696B CN 102412696 B CN102412696 B CN 102412696B CN 201110413124 A CN201110413124 A CN 201110413124A CN 102412696 B CN102412696 B CN 102412696B
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housing
coil
voice coil
coil motor
guide rod
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CN102412696A (zh
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宋孝杰
李寿春
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Guizhou Xu Ye photoelectric Co., Ltd.
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DONGGUAN XUYE PHOTOELECTRIC TECHNOLOGY CO LTD
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Abstract

本发明提供一种音圈马达,其包括基座、支架、壳体、永磁铁、两个导电片、导电线圈、线圈载体、及弹力部;其结构为:所述永磁铁固定于所述基座上构成磁场发生装置;所述导电线圈固定与所述线圈载体上构成可动装置;导电线圈通电后在磁场发生装置作用下往复运动;所述弹力部由两个以上普通圆柱弹簧分别套装于与之配套的导杆上构成。本发明还涉及该音圈马达的组装工艺。

Description

一种音圈马达及其组装工艺
技术领域
本发明涉及一种音圈马达,更具体而言涉及一种用于手机摄像头的音圈马达。
背景技术
随着照相手机像素的提高,对这种手机的自动对焦功能也提出了越来越高的要求。由于音圈马达(Voice Coil Motor,简称VCM)具有体积小、可靠性高等优点被许多厂商采用。
由于音圈马达的制动/复原变化速度较慢,一般会在音圈马达中加入弹片来加速制动/复原速度。但是由于弹片结构限制,导致弹性不足,饶性不佳,动作定位不稳,严重影响了音圈马达的操作可靠性和使用寿命。
发明内容
本发明着眼于现有技术中存在的问题,旨在通过改变音圈马达的机构,提高音圈马达的操作可靠性和使用寿命。
本发明提供一种音圈马达,其包括基座、支架、壳体、永磁铁、两个导电片、导电线圈、线圈载体、及弹力部;其结构为:所述永磁铁固定于所述基座上构成磁场发生装置;所述导电线圈固定于所述线圈载体上构成可动装置;导电线圈通电后在磁场发生装置作用下往复运动;所述弹力部由两个以上普通圆柱弹簧分别套装于与之配套的导杆上构成。
进一步地,所述基座、壳体、线圈载体均为绝缘体,所述导杆为导电体。
进一步地,所述导杆两端分别固接于基座及壳体。
进一步地,所述两个导电片一端均位于音圈马达壳体外侧构成连接电源的+/-两接电端子,另一端分别与两个导杆连接。
进一步地,所述导电线圈的两端分别导通连接于接有+/-两接电端子的两个导杆。
本发明还提供所述音圈马达的组装工艺,其组装步骤为:
将所述导电线圈固装于所述线圈载体上;
将所述支架、导杆、永磁铁、可动装置、导电片依次装入壳体内。
封装底座。
进一步地,所述弹簧套装于所述导杆后,将所述弹簧两端分别胶结于所述基座及壳体上。
进一步的,所述可动装置装入所述壳体后,将所述导电线圈两端分别导通固接于两个所述导杆上。
根据本发明的音圈马达,其考虑到平板弹片弹性不足,饶性不佳,动作定位不稳等缺点,选择用线簧代替平板弹簧构成弹力部,其结构简单,安装方便,往复运动时镜头动作定位精准,提高了音圈马达的质量。
附图说明
图1为本发明涉及的音圈马达的立体图;
图2为本发明涉及的音圈马达的45o剖面视图;
图3为本发明涉及的音圈马达的135o剖面视图;
图4为本发明涉及的音圈马达的爆炸视图;
1壳体;2支架;3永磁铁;4普通圆柱弹簧;5导杆;
6线圈载体;7导电线圈;8导电片;9基座。
具体实施方式
如图所示一种音圈马达,其包括基座(9)、支架(2)、壳体(1)、永磁铁(3)、两个导电片(8)、导电线圈(7)、线圈载体(6)、及弹力部;其结构为:所述永磁铁(3)固定于所述基座(9)上构成磁场发生装置;所述导电线圈(7)固定于所述线圈载体(6)上构成可动装置;导电线圈(7)通电后在磁场发生装置作用下往复运动;所述弹力部由两个以上普通圆柱弹簧(4)分别套装于与之配套的导杆(5)上构成。
所述基座(9)、壳体(1)、线圈载体(6)均为绝缘体,所述导杆(5)为导电体;所述导杆(5)两端分别固接于基座(9)及壳体(1);所述两个导电片(8)一端均位于音圈马达壳体(1)外侧构成连接电源的+/-两接电端子,另一端分别与两个导杆(5)连接。所述导电线圈(7)的两端分别导通连接于接有+/-两接电端子的两个导杆(5)。
该音圈马达的其组装步骤为:
将所述导电线圈(7)固装于所述线圈载体(6)上;将所述支架(2)、导杆(5)、永磁铁(3)、可动装置、导电片(8)依次装入壳体(1)内;封装基座(9)。
根据本发明的音圈马达,其考虑到平板弹片弹性不足,饶性不佳,动作定位不稳等缺点,选择用普通圆柱弹簧(4)代替平板弹簧构成弹力部,其结构简单,安装方便,往复运动时镜头动作定位精准,提高了音圈马达的质量。
以上虽然结合附图详细描述了本发明的结构和组装工艺,但上述描述并非限制性的,本领域技术人员在上述公开内容的基础上可以对该音圈马达及其组装工艺进行适当的改变,例如变更一些具体的零件及材质等,但这也落在本发明的保护范围之内。

Claims (2)

1. 一种音圈马达,所述的音圈马达包括基座、支架、壳体、永磁铁、两个导电片、导电线圈、线圈载体、及弹力部;所述基座、壳体、线圈载体均为绝缘体,其特征在于:所述永磁铁固定于所述基座上构成磁场发生装置;所述导电线圈固定于所述线圈载体上构成可动装置;导电线圈通电后在磁场发生装置作用下往复运动;所述弹力部由两个以上普通圆柱弹簧分别套装于与之配套的导杆上构成,其中导杆为导电体,导杆两端分别固接于基座及壳体;普通圆柱弹簧套装于所述导杆上;所述两个导电片一端均位于音圈马达壳体外侧构成连接电源的+/-两接电端子,另一端分别与两个导杆连接;所述导电线圈的两端分别导通连接于接有+/-两接电端子的两个导杆。
2.根据权利要求1所述的一种音圈马达,其特征在于:所述的音圈马达的组装工艺如下:首先,将永磁铁固定于所述基座上构成磁场发生装置;其次,将导电线圈固定于所述线圈载体上构成可动装置;再将普通圆柱弹簧套装于所述导杆上构成弹力部;然后,将所述导电线圈固装于所述线圈载体上;再然后,将所述支架、导杆、永磁铁、可动装置、导电片依次装入壳体内;最后,封装底座;所述弹簧套装于所述导杆后,将所述弹簧两端分别胶结于所述基座及壳体上;所述可动装置装入所述壳体后,将所述导电线圈两端分别导通固接于两个所述导杆上。
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CN103051095B (zh) * 2012-08-14 2016-03-02 深圳市光控数码光电有限公司 微型驱动电机
TWI498587B (zh) * 2014-09-16 2015-09-01 Univ Southern Taiwan Sci & Tec 包含音圈致動器的感測驅動模組
CN105990982A (zh) * 2015-02-02 2016-10-05 韩朝阳 一种用于光通信器件产品的音圈马达
CN105356713B (zh) * 2015-12-03 2018-10-02 歌尔股份有限公司 一种线性振动马达及其弹性支撑件
CN107991751A (zh) * 2017-12-01 2018-05-04 中山联合光电科技股份有限公司 一种用于安防的光学变焦镜头

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Address after: 523000 Guangdong province Dongguan City Shipai town of Fulong Industrial Zone Second Road two

Patentee after: Dongguan Xuye Photoelectric Technology Co.,Ltd.

Address before: 523000 Guangdong Province, Dongguan City Shipai town Fulong second industrial zone seven road

Patentee before: Dongguan Xuye Photoelectric Technology Co.,Ltd.

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Correction item: Patentee|Address

Correct: Guangdong Xu Ye Optoelectronics Technology incorporated company|523000 Guangdong province Dongguan City Shipai town of Fulong Industrial Zone Second Road two

False: Dongguan Xuye Photoelectric Technology Co.,Ltd.|523000 Guangdong province Dongguan City Shipai town of Fulong Industrial Zone Second Road two

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Free format text: CORRECT: PATENTEE; ADDRESS; FROM: DONGGUAN XUYE OPTOELECTRONIC TECHNOLOGY CO., LTD.;523000 DONGGUAN, GUANGDONG PROVINCE TO: GUANGDONG XUYE OPTOELECTRONICS TECHNOLOGY CO., LTD.;523000 DONGGUAN, GUANGDONG PROVINCE

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Address after: 554300 A, building 6, two phase of electricity supplier park, Tongren high tech Industrial Development Zone, Guizhou

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Address before: 523000 two road, Fulong second industrial zone, Shek Pai Town, Dongguan, Guangdong.

Patentee before: Guangdong Xu Ye Optoelectronics Technology incorporated company