WO2017152515A1 - 一种线性振动马达 - Google Patents

一种线性振动马达 Download PDF

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Publication number
WO2017152515A1
WO2017152515A1 PCT/CN2016/084292 CN2016084292W WO2017152515A1 WO 2017152515 A1 WO2017152515 A1 WO 2017152515A1 CN 2016084292 W CN2016084292 W CN 2016084292W WO 2017152515 A1 WO2017152515 A1 WO 2017152515A1
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Prior art keywords
side panel
housing
vibrator
linear vibration
vibration motor
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PCT/CN2016/084292
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English (en)
French (fr)
Inventor
朱跃光
李云成
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歌尔声学股份有限公司
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Application filed by 歌尔声学股份有限公司 filed Critical 歌尔声学股份有限公司
Priority to US16/083,608 priority Critical patent/US10879781B2/en
Publication of WO2017152515A1 publication Critical patent/WO2017152515A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Definitions

  • the invention belongs to the technical field of electronic products, and in particular relates to a linear vibration motor.
  • the linear vibration motors mainly include a motor housing, a vibrator and a stator, wherein the vibrator includes an elastic support member that realizes overall vibration mainly through an elastic support member, and a spring or a spring piece is more commonly used in the elastic support member.
  • the design is mainly based on the space inside the linear vibration motor, and the motor housing generally adopts a tensile structure, and the motor housing of the tensile structure is more complicated to be processed. It is more difficult and costly.
  • the object of the present invention is to provide a linear vibration motor, which aims to solve the problem that the motor housing of the prior art generally adopts a tensile structure, and the motor casing of the tensile structure is complicated to process, has a large processing difficulty, and has high cost. The problem.
  • a linear vibration motor including a motor housing, a stator, a vibrator, and an elastic support member for suspending the vibrator within the motor housing for supporting the vibrator and providing an elastic restoring force.
  • the motor housing includes a first side housing and a second side housing, the first side housing including a first side panel and a second side panel respectively disposed at two ends of the first side panel And a third side panel, the second side housing includes a fourth side panel and a fifth side panel and a sixth side panel respectively disposed at opposite ends of the fourth side panel;
  • the first side housing and the second side housing are fastened to form a sealed space for accommodating the stator, the vibrator and the elastic support.
  • the first side panel and the fourth side panel are parallel to each other and parallel to the vibration direction of the vibrator.
  • the second side panel and the third side panel are parallel to each other;
  • the fifth side panel and the sixth side panel are parallel to each other.
  • the first side panels are respectively butted with the fifth side panel and the sixth side panel and are perpendicular to each other;
  • the second side panels are respectively butted to and perpendicular to the fourth side panel, the fifth side panel, and the sixth side panel;
  • the third side panels are respectively butted and perpendicular to the fourth side panel, the fifth side panel, and the sixth side panel.
  • the second side casing is provided with a pad.
  • the stator includes a coil and a wiring board, and the coil is connected to the wiring board, and the wiring board is fixed to the motor housing.
  • the circuit board is disposed in a U-shaped structure, and a bottom side panel of the U-shaped structure is fixedly connected to the fourth side panel, and two parallel side panels of the U-shaped structure Parallel to the fifth side panel and the second side panel, respectively.
  • the two elastic supporting members are respectively located at two ends of the vibration direction of the vibrator.
  • the vibrator includes a mass and a magnet, and the mass is provided with a mounting hole for mounting the magnet.
  • the motor housing is further provided with a limiting block inside.
  • the linear vibration motor includes a motor housing, a stator, a vibrator, and an elastic support that suspends the vibrator within the motor housing and supports the vibrator and provides an elastic restoring force
  • the motor housing includes a first side housing and a second side a housing
  • the first side housing includes a first side panel and a second side panel and a third side panel respectively disposed at opposite ends of the first side panel
  • the second side housing including the fourth side panel and the respectively a fifth side plate and a sixth side plate disposed at two ends of the fourth side plate
  • the first side case and the second side case are fastened to form a sealed space for accommodating the stator, the vibrator and the elastic support member, thereby realizing use
  • the vibration feedback of the touch operation of the user, the arrangement of the first side casing and the second side casing make the molding process of the motor casing simple, the processing difficulty is low, and the cost is effectively reduced.
  • FIG. 1 is a schematic exploded view of a linear vibration motor provided by the present invention
  • FIG. 2 is a schematic structural view of a first side casing provided by the present invention.
  • FIG. 3 is a schematic structural view of a second side casing provided by the present invention.
  • FIG. 4 is a schematic structural view of a circuit board provided by the present invention.
  • 1-elastic support member 2-first side casing, 3- second side casing, 4-first side panel, 5-second side panel, 6-third side panel, 7- Fourth side panel, 8-5th side panel, 9-sixth side panel, 10-coil, 11-board, 12-bottom side panel, 13-parallel side panel, 14-mass, 15-magnet, 16-wars, 17-stop, 18-stop.
  • Fig. 1 is a schematic exploded view of a linear vibration motor provided by the present invention, and for convenience of explanation, only parts relevant to the present invention are shown.
  • the linear vibration motor includes a motor housing, a stator, a vibrator, and an elastic support member 1 for suspending the vibrator in the motor housing for supporting the vibrator and providing an elastic restoring force, and two elastic support members. 1 are respectively located at both ends of the vibration direction of the vibrator;
  • the motor housing includes a first side housing 2 and a second side housing 3, the first side housing 2 including a first side panel 4 and a second side panel 5 respectively disposed at both ends of the first side panel 4 and
  • the third side panel 6, the second side shell 3 includes a fourth side panel 7 and a fifth side panel 8 and a sixth side panel 9 respectively disposed at the ends of the fourth side panel 7;
  • the first side casing 2 and the second side casing 3 are fastened to form a closed space for accommodating the stator, the vibrator and the elastic support member 1.
  • the structure of the first side housing 2 and the second side housing 3 may be as shown in FIG. 2 and FIG. 3 .
  • the first side panel 4 and the fourth side panel 7 are parallel to each other and parallel to the vibration direction of the vibrator.
  • the first side panel 4 is the upper side panel of the motor housing, as shown in FIG.
  • the side panel 7 is the lower side panel of the motor housing, two mutually opposite side panels, and are parallel to each other;
  • the second side panel 5 and the third side panel 6 are parallel to each other. As shown in FIG. 1 , the second side panel 5 and the third side panel 6 are two perpendicular to each other in the vibration direction of the motor housing and the vibrator. Side panel
  • the fifth side panel 8 and the sixth side panel 9 are parallel to each other. As shown in FIG. 1, the fifth side panel 8 and the sixth side panel 9 are two sides of the motor housing and the vibration direction of the vibrator are parallel to each other. Sideboard.
  • the first side panels 4 are respectively butted with the fifth side panel 8 and the sixth side panel 9 and are perpendicular to each other;
  • the second side panels 5 are respectively butted with the fourth side panel 7, the fifth side panel 8 and the sixth side panel 9 and are perpendicular to each other;
  • the third side panels 6 are butted against the fourth side panel 7, the fifth side panel 8, and the sixth side panel 9, respectively.
  • the hermetic structure of the motor casing is formed by the above vertical butting, and the hermetic structure is for accommodating the vibrator, the stator, and the elastic support member 1 and the like.
  • the second side casing is provided with a pad, and the arrangement of the pad enables the protective glue to occupy less space, thereby effectively saving space.
  • stator and the vibrator can be arranged in a conventional manner, namely:
  • the stator comprises a coil 10 and a circuit board 11, the coil 10 is connected to the circuit board 11, and the circuit board 11 is fixed on the motor housing; wherein the number of the coils 10 can be set according to the vibration requirements of the linear vibration motor, as shown in FIG. Is the case of two coils 10;
  • the circuit board 11 is provided in a U-shaped structure, and the bottom side panel 12 of the U-shaped structure is fixedly connected to the fourth side panel 7, and the two parallel side panels 13 of the U-shaped structure are respectively connected to the fifth side.
  • the side panel 8 and the second side panel 5 are parallel.
  • the vibrator includes a mass 14 and a magnet 15, and the mass 14 is provided with a mounting hole for mounting the magnet 15, and the magnet 15 can be suspended by the washer 16 in the mounting hole.
  • a limiting block 17 is further disposed in the motor housing, and the limiting block 17 functions as a limitation on the vibration displacement of the vibrator;
  • the elastic support member 1 may be a spring piece or a spring structure, such as a coil spring or an M-type elastic piece.
  • the elastic piece 1 is provided with a block at a connection point with the motor housing and the mass 14 Block 18 enhances the stability of the connection.
  • the linear vibration motor includes a motor housing, a stator, a vibrator, and an elastic support member 1 for suspending the vibrator within the motor housing for supporting the vibrator and providing an elastic restoring force
  • the motor housing including the first side shell Body 2 and second side housing 3
  • the first side housing 2 includes a first side panel 4 and a second side panel 5 and a third side panel 6 respectively disposed at opposite ends of the first side panel 4
  • the two-sided housing 3 includes a fourth side panel 7 and a fifth side panel 8 and a sixth side panel 9 respectively disposed at opposite ends of the fourth side panel 7;
  • the first side housing 2 and the second side housing 3 snap-fit forms a sealed space for accommodating the stator, the vibrator and the elastic support member 1, thereby realizing vibration feedback to the user's touch operation, and the first side housing 2 and the second side housing 3 are disposed to make the motor housing forming process Simple, less difficult to process, and effectively reduce costs.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

一种线性振动马达，包括马达壳体、定子、振子以及将振子悬置在马达壳体内且用于支撑振子并提供弹性回复力的弹性支撑件（1），马达壳体包括第一侧壳体（2）和第二侧壳体（3），第一侧壳体包括第一侧边板（4）和分别设置在第一侧边板两端的第二侧边板（5）和第三侧边板（6），第二侧壳体包括第四侧边板（7）和分别设置在第四侧边板两端的第五侧边板（8）和第六侧边板（9）；第一侧壳体与第二侧壳体扣合形成容纳定子、振子和弹性支撑件的密闭空间，从而实现对用户触摸操作的振动反馈，第一侧壳体和第二侧壳体的设置，使马达壳体的成型工艺简单，加工难度较低，有效降低成本。

Description

一种线性振动马达 技术领域
本发明属于电子产品技术领域，尤其涉及一种线性振动马达。
背景技术
目前，便携式消费电子产品迅速发展，消费者越来越青睐更加轻薄化并具有更佳触觉体验的电子产品。线性振动马达一般用作触觉体验的执行机构，起到系统振动反馈的作用。电子产品更佳轻薄化的发展方向决定了弹性支撑件也必须向尺寸扁平化方向改进。
大多数的线性振动马达主要包括马达壳体、振子和定子，其中振子包括弹性支撑件，该线性振动马达主要通过弹性支撑件来实现整体的振动，弹性支撑件中比较常见的是采用弹簧或弹片的形式，该以弹簧或者弹片形式存在的弹性支撑件主要是基于线性振动马达内部的空间来设计，而马达壳体一般采用拉伸结构，该拉伸结构的马达壳体工艺成型较为复杂，加工难度较大，而且成本较高。
发明内容
本发明的目的在于提供一种线性振动马达，旨在解决现有技术中马达壳体一般采用拉伸结构，该拉伸结构的马达壳体工艺成型较为复杂，加工难度较大，而且成本较高的问题。
本发明是这样实现的，一种线性振动马达，包括马达壳体、定子、振子以及将所述振子悬置在所述马达壳体内且用于支撑所述振子并提供弹性回复力的弹性支撑件，所述马达壳体包括第一侧壳体和第二侧壳体，所述第一侧壳体包括第一侧边板和分别设置在所述第一侧边板两端的第二侧边板和第三侧边板，所述第二侧壳体包括第四侧边板和分别设置在所述第四侧边板两端的第五侧边板和第六侧边板；
所述第一侧壳体与所述第二侧壳体扣合形成容纳所述定子、振子和弹性支撑件的密闭空间。
作为一种改进的方案，所述第一侧边板与所述第四侧边板相互平行，且与振子振动方向平行。
作为一种改进的方案，所述第二侧边板与所述第三侧边板相互平行；
所述第五侧边板与所述第六侧边板相互平行。
作为一种改进的方案，所述第一侧边板分别与所述第五侧边板、第六侧边板对接且相互垂直；
所述第二侧边板分别与所述第四侧边板、第五侧边板及第六侧边板对接且相互垂直；
所述第三侧边板分别与所述第四侧边板、第五侧边板及第六侧边板对接且相互垂直。
作为一种改进的方案，所述第二侧壳体上设有焊盘。
作为一种改进的方案，所述定子包括线圈和线路板，所述线圈与所述线路板连接，所述线路板固定在所述马达壳体上。
作为一种改进的方案，所述线路板设置为U型结构，所述U型结构的底侧边板与所述第四侧边板固定连接，所述U型结构的两个平行侧边板分别与所述第五侧边板和第二侧边板平行。
作为一种改进的方案，两个所述弹性支撑件分别位于所述振子振动方向的两端。
作为一种改进的方案，所述振子包括质量块和磁铁，所述质量块上设有用于安装所述磁铁的安装孔。
作为一种改进的方案，所述马达壳体内部还设有限位块。
由于线性振动马达包括马达壳体、定子、振子以及将振子悬置在马达壳体内且用于支撑振子并提供弹性回复力的弹性支撑件，所马达壳体包括第一侧壳体和第二侧壳体，第一侧壳体包括第一侧边板和分别设置在第一侧边板两端的第二侧边板和第三侧边板，第二侧壳体包括第四侧边板和分别设置在第四侧边板两端的第五侧边板和第六侧边板；第一侧壳体与第二侧壳体扣合形成容纳定子、振子和弹性支撑件的密闭空间，从而实现对用 户触摸操作的振动反馈，第一侧壳体和第二侧壳体的设置，使马达壳体的成型工艺简单，加工难度较低，有效降低成本。
附图说明
图1是本发明提供的线性振动马达的爆炸示意图；
图2是本发明提供的第一侧壳体的结构示意图；
图3是本发明提供的第二侧壳体的结构示意图；
图4是本发明提供的线路板的结构示意图；
其中，1-弹性支撑件，2-第一侧壳体，3-第二侧壳体，4-第一侧边板，5-第二侧边板，6-第三侧边板，7-第四侧边板，8-第五侧边板，9-第六侧边板，10-线圈，11-线路板，12-底侧边板，13-平行侧边板，14-质量块，15-磁铁，16-华司板，17-限位块，18-挡块。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
图1示出了本发明提供的线性振动马达的爆炸示意图，为了便于说明，图中仅给出了与本发明相关的部分。
结合图2和图3所示，线性振动马达包括马达壳体、定子、振子以及将振子悬置在马达壳体内且用于支撑振子并提供弹性回复力的弹性支撑件1，两个弹性支撑件1分别位于振子振动方向的两端；
马达壳体包括第一侧壳体2和第二侧壳体3，第一侧壳体2包括第一侧边板4和分别设置在第一侧边板4两端的第二侧边板5和第三侧边板6，第二侧壳体3包括第四侧边板7和分别设置在第四侧边板7两端的第五侧边板8和第六侧边板9；
第一侧壳体2与第二侧壳体3扣合形成容纳定子、振子和弹性支撑件1的密闭空间。
其中，该第一侧壳体2和第二侧壳体3的结构可以如图2和图3所示 的方式，即C型结构：
第一侧边板4与第四侧边板7相互平行，且与振子振动方向平行，其中，如图1所示，该第一侧边板4即该马达壳体的上侧板，第四侧边板7即为该马达壳体的下侧板，两个相互对立的侧板，且相互平行；
第二侧边板5与第三侧边板6相互平行，如图1所示，该第二侧边板5与第三侧边板6为该马达壳体与振子振动方向相互垂直的两个侧边板；
第五侧边板8与第六侧边板9相互平行，如图1所示，该第五侧边板8和第六侧边板9为马达壳体与振子振动方向相互平行的两个侧边板。
在本发明中，如图2和图3所示，第一侧边板4分别与第五侧边板8、第六侧边板9对接且相互垂直；
第二侧边板5分别与第四侧边板7、第五侧边板8及第六侧边板9对接且相互垂直；
第三侧边板6分别与第四侧边板7、第五侧边板8及第六侧边板9对接且相互垂直。
通过上述垂直对接形成马达壳体的密闭结构，该密闭结构用于容纳振子、定子以及弹性支撑件1等结构。
如图1和图3所示，第二侧壳体上设有焊盘，焊盘的设置使保护胶占用空间少，有效节省空间。
在本发明中，如图1所示，定子和振子可以采用常规的设置方式，即：
定子包括线圈10和线路板11，线圈10与线路板11连接，线路板11固定在马达壳体上；其中，线圈10的数量可以根据线性振动马达的振动要求进行设置，图1中给出的是两个线圈10的情形；
如图4所示，线路板11设置为U型结构，U型结构的底侧边板12与第四侧边板7固定连接，U型结构的两个平行侧边板13分别与第五侧边板8和第二侧边板5平行。
振子包括质量块14和磁铁15，质量块14上设有用于安装磁铁15的安装孔，该磁铁15可以通过华司板16悬置安装在该安装孔内。
其中，在该马达壳体内还设有限位块17，该限位块17起到对振子振动位移的限定的作用；
同时，上述弹性支撑件1可以是弹片或弹簧结构，例如螺旋弹簧，或M型弹片，当该弹性支撑件1为弹片时，该弹片与马达壳体、质量块14的连接点上设有挡块18，加强连接的稳固性。
在本发明中，线性振动马达包括马达壳体、定子、振子以及将振子悬置在马达壳体内且用于支撑振子并提供弹性回复力的弹性支撑件1，所马达壳体包括第一侧壳体2和第二侧壳体3，第一侧壳体2包括第一侧边板4和分别设置在第一侧边板4两端的第二侧边板5和第三侧边板6，第二侧壳体3包括第四侧边板7和分别设置在第四侧边板7两端的第五侧边板8和第六侧边板9；第一侧壳体2与第二侧壳体3扣合形成容纳定子、振子和弹性支撑件1的密闭空间，从而实现对用户触摸操作的振动反馈，第一侧壳体2和第二侧壳体3的设置，使马达壳体的成型工艺简单，加工难度较低，有效降低成本。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种线性振动马达，包括马达壳体、定子、振子以及将所述振子悬置在所述马达壳体内且用于支撑所述振子并提供弹性回复力的弹性支撑件，其特征在于，所述马达壳体包括第一侧壳体和第二侧壳体，所述第一侧壳体包括第一侧边板和分别设置在所述第一侧边板两端的第二侧边板和第三侧边板，所述第二侧壳体包括第四侧边板和分别设置在所述第四侧边板两端的第五侧边板和第六侧边板；
    所述第一侧壳体与所述第二侧壳体扣合形成容纳所述定子、振子和弹性支撑件的密闭空间。
  2. 根据权利要求1所述的线性振动马达，其特征在于，所述第一侧边板与所述第四侧边板相互平行，且与振子振动方向平行。
  3. 根据权利要求2所述的线性振动马达，其特征在于，所述第二侧边板与所述第三侧边板相互平行；
    所述第五侧边板与所述第六侧边板相互平行。
  4. 根据权利要求3所述的线性振动马达，其特征在于，所述第一侧边板分别与所述第五侧边板、第六侧边板对接且相互垂直；
    所述第二侧边板分别与所述第四侧边板、第五侧边板及第六侧边板对接且相互垂直；
    所述第三侧边板分别与所述第四侧边板、第五侧边板及第六侧边板对接且相互垂直。
  5. 根据权利要求4所述的线性振动马达，其特征在于，所述第二侧壳体上设有焊盘。
  6. 根据权利要求1所述的线性振动马达，其特征在于，所述定子包括线圈和线路板，所述线圈与所述线路板连接，所述线路板固定在所述马达壳体上。
  7. 根据权利要求6所述的线性振动马达，其特征在于，所述线路板设置为U型结构，所述U型结构的底侧边板与所述第四侧边板固定连接，所述U型结构的两个平行侧边板分别与所述第五侧边板和第二侧边板平行。
  8. 根据权利要求1所述的线性振动马达，其特征在于，两个所述弹性支撑件分别位于所述振子振动方向的两端。
  9. 根据权利要求1所述的线性振动马达，其特征在于，所述振子包括质量块和磁铁，所述质量块上设有用于安装所述磁铁的安装孔。
  10. 根据权利要求1所述的线性振动马达，其特征在于，所述马达壳体内部还设有限位块。
PCT/CN2016/084292 2016-03-11 2016-06-01 一种线性振动马达 WO2017152515A1 (zh)

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