WO2018145530A1 - 线性马达和电子设备 - Google Patents

线性马达和电子设备 Download PDF

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Publication number
WO2018145530A1
WO2018145530A1 PCT/CN2017/119716 CN2017119716W WO2018145530A1 WO 2018145530 A1 WO2018145530 A1 WO 2018145530A1 CN 2017119716 W CN2017119716 W CN 2017119716W WO 2018145530 A1 WO2018145530 A1 WO 2018145530A1
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WIPO (PCT)
Prior art keywords
coil
magnet
casing
linear motor
circuit board
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PCT/CN2017/119716
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English (en)
French (fr)
Inventor
陈旭
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2018145530A1 publication Critical patent/WO2018145530A1/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
    • H02K33/16—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 present disclosure relates to the field of motor manufacturing technology, and in particular, to a linear motor and an electronic device.
  • a Z-direction linear motor in the related art generally includes a coil, a flexible circuit board, an elastic member, and a magnet, wherein the coil is connected to the elastic member, the magnet is fixed to form a stator, and the flexible circuit board is electrically connected to the coil, and the coil generates a varying magnetic field by current control.
  • the varying magnetic field cooperates with the magnet to generate vibration. Due to the vibration of the coil, a relative displacement occurs between the coil and the flexible circuit board, thereby causing the wire joint of the coil and the flexible circuit board to be broken, which affects the service life of the motor.
  • Embodiments of the present disclosure provide a linear motor and an electronic device to solve the problem that the wire tip solder joint connected to the flexible circuit board is easily broken and affects the service life of the motor.
  • some embodiments of the present disclosure provide a linear motor including a first housing, a second housing, a coil, a flexible circuit board, an elastic member, and a magnet
  • the first housing has an open end a cavity
  • the second casing is located at the open end and is fixedly connected to the first casing
  • the coil, the flexible circuit board, the elastic member and the magnet are received in the cavity, wherein the magnet passes through the cavity
  • the elastic member is elastically connected to the first casing
  • the coil is fixedly connected to the second casing
  • the flexible circuit board is electrically connected to the coil
  • the magnet is controlled to vibrate
  • the plate is fixedly connected to the second casing or fixedly connected to the coil.
  • some embodiments of the present disclosure also provide an electronic device including a linear motor including a first housing, a second housing, a coil, a flexible circuit board, an elastic member, and a magnet, wherein the first The casing is a cavity having an open end, the second casing is located at the open end and is fixedly connected to the first casing, and the coil, the flexible circuit board, the elastic component and the magnet are received in the cavity
  • the magnet is elastically coupled to the first casing through the elastic member, the coil is fixedly coupled to the second casing, the flexible circuit board is electrically connected to the coil, and the The magnet is vibrated, and the flexible circuit board is fixedly connected to the second casing or fixedly connected to the coil.
  • the first casing is a cavity having an open end
  • the second casing is located at the open end and is fixedly connected to the first casing
  • the coil, the flexible circuit board, the elastic component and the magnet are received in In the cavity, wherein the magnet is elastically connected to the first casing through the elastic member, the coil is fixedly connected to the second casing, and the flexible circuit board is electrically connected to the coil and can be controlled The magnet vibrates, and the flexible circuit board is fixedly connected to the second casing or fixedly connected to the coil.
  • the magnet Since the coil is fixed, the magnet is elastically connected to the first casing to generate vibration, thereby solving the breakage of the wire joint caused by the coil and the flexible circuit board due to the relative displacement between the coil and the flexible circuit board. A problem that affects the service life of the motor.
  • FIG. 1 is an exploded structural view of a linear motor provided by some embodiments of the present disclosure
  • FIG. 2 is a cross-sectional structural view of a linear motor provided by some embodiments of the present disclosure
  • FIG. 3 is a structural diagram of an electronic device according to some embodiments of the present disclosure.
  • some embodiments of the present disclosure provide a linear motor including a first housing 101, a second housing 102, a coil 103, a flexible circuit board 104, an elastic member 105, and a magnet 106.
  • the first casing 101 is a cavity having an open end
  • the second casing 102 is located at the open end and is fixedly connected to the first casing 101, the coil 103, the flexible circuit board 104,
  • the elastic member 105 and the magnet 106 are received in the cavity, wherein the magnet 106 is elastically connected to the first casing 101 through the elastic member 105, and the coil 103 is fixedly connected to the second casing 102.
  • the flexible circuit board 104 is electrically connected to the coil 103 and can control the magnet 106 to vibrate.
  • the flexible circuit board 104 is fixedly connected to the second casing 102 or fixedly connected to the coil 103.
  • the flexible circuit board 104 can alternately output current to the coil 103 by periodic output, thereby causing the coil 103 to generate a varying magnetic field; by this varying magnetic field, the magnet 106 can be pushed up and down to generate vibration.
  • the flexible circuit board 104 is prevented from moving during the vibration of the magnet 106.
  • the flexible circuit board 104 may be fixed to the second casing 102 or may be fixed to the coil 103.
  • the magnet 106 described above is a magnetic member, and may be, for example, a permanent magnet.
  • the shapes of the first casing 101 and the second casing 102 may be set according to actual needs.
  • the first casing 101 is cylindrically disposed, and an end of one end thereof is recessed inwardly to form a coil. 103.
  • the first casing 101 is a cavity having an open end
  • the second casing 102 is located at the open end and is fixedly connected to the first casing 101
  • the member 105 and the magnet 106 are housed in the cavity, wherein the magnet 106 is elastically connected to the first casing 101 through the elastic member 105, and the coil 103 is fixedly connected to the second casing 102, the flexibility
  • the circuit board 104 is electrically connected to the coil 103 and can control the magnet 106 to vibrate.
  • the magnet 106 Since the coil 103 is fixed, the magnet 106 is elastically coupled to the first casing 101 to generate vibration, thereby solving the relative displacement between the coil 103 and the flexible circuit board 104, thereby causing the coil 103 and the flexible circuit board 104.
  • the broken wire joints are broken, which affects the service life of the motor.
  • the structure of the elastic member 105 may be disposed according to actual needs.
  • the elastic member 105 is an annular spring, and the outer side of the annular spring is a fixed end, and the middle of the annular spring For the free end.
  • the fixed end of the elastic member 105 is fixedly coupled to the inner wall of the first casing 101, and the free end is fixedly coupled to the magnet 106.
  • the outer circumference of the annular spring is fixedly connected to the inner wall of the first casing 101.
  • a fixed position such as a limiting groove or a limiting step may be provided, and the fixing position may be fixed by clamping or bonding.
  • a plurality of hollow holes arranged in a spiral shape are provided between the outer circumference and the middle portion of the ring spring, so that the middle portion has elasticity.
  • the free end of the annular spring can be fixed directly or indirectly to the magnet 106 such that the magnet can move within the elastic range of the spring.
  • the elastic member may be disposed as another elastic connecting structure, such as a spring piece or the like, as long as the magnet 106 can be moved within the elastic expansion and contraction range of the elastic member.
  • the magnet 106 when the flexible circuit board 104 does not input an alternating current to the coil 103, the magnet 106 has a certain weight to overcome the elastic force of the elastic member 105, The elastic member 105 is elastically deformed and is in an elastically stretched state. At this time, if the coil 103 generates a magnetic field, the magnet 106 will be displaced to change the position of the magnet 106. Since it is not necessary to overcome a certain amount of elastic force, the magnet 106 can be moved, thereby improving the flexibility of the vibration control.
  • the weight of the magnet 106 needs to reach a certain degree. As shown, when the weight of the magnet 106 is small, the mass 107 can be increased to cause the elastic member 105 to be elastically deformed.
  • the linear motor described above may further include a mass 107, and the mass 107 is fixedly coupled to the free end.
  • the material of the mass 107 may be shaped according to actual needs.
  • the mass 107 is an annular structure, and an inner ring of the mass 107 is adjacent to the free end.
  • An annular step is provided at one end; the magnet 106 is located in the inner ring of the mass 107 and is fixedly coupled to the annular step.
  • the mass block 107 is provided with an annular step, and the magnet 106 can be adhesively fixed on the limiting step.
  • the mass 107 is directly bonded and fixed to the free end of the annular spring, thereby achieving indirect fixing of the annular spring.
  • the magnet 106 can also pass directly through the inner ring of the mass 107 and then be adhesively and fixedly coupled to the free end of the annular spring.
  • the shape of the above magnet 106 can be set according to actual needs. Since the shapes of the magnets 106 are different, the corresponding positional relationship with the coils 103 can be set in various cases. This is described in detail below.
  • the coil 103 is a ring structure
  • the magnet 106 is a cylindrical structure
  • the magnet 106 is partially received in the inner ring of the coil 103.
  • the magnet 106 is partially accommodated in the inner ring of the coil 103, so that the magnetic flux generated by the coil 103 can be appropriately increased by the number of the magnets 106, thereby increasing the magnetic force between the magnet 106 and the coil 103.
  • the vibration effect can be improved.
  • the magnets 106 described above may not be housed in the inner ring of the coil 103.
  • the coil 103 is a ring structure
  • the magnet 106 is a ring structure
  • the magnet 106 is partially received in the inner ring of the coil 103 or the coil 103 is partially accommodated. Placed in the inner ring of the magnet 106.
  • the magnet 106 is partially accommodated in the inner ring of the coil 103, so that the magnetic flux generated by the coil 103 can be appropriately increased by the number of the magnets 106, thereby increasing the magnetic force between the magnet 106 and the coil 103.
  • the vibration effect can be improved.
  • the coil 103 is partially received in the inner ring of the magnet 106 so that all the magnetic lines of inductance generated by the coil 103 can pass through the magnet 106, thereby increasing the magnetic force between the magnet 106 and the coil 103, which in turn can be improved. Vibration effect. Specifically, in some embodiments, there is a gap between the outer wall of the coil 103 and the inner wall of the inner ring of the magnet 106, so that the free vibration of the magnet 106 can be ensured.
  • the central axes of the coil 103 and the magnet 106 coincide with each other.
  • the second casing 102 cooperates with the open end to seal the opening formed by the open end.
  • the second casing 102 may form a sealed receiving cavity with the first casing 101.
  • the coil 103, the flexible circuit board 104, the elastic member 105, and the magnet 106 are both located in the receiving cavity, and the flexible circuit board 104 is disposed.
  • the external control chip can be partially connected to the external control chip, and the external control chip input control signal controls the current output from the flexible circuit board 104 to the coil 103.
  • FIG. 3 is a structural diagram of an electronic device provided by some implementations of the present disclosure.
  • the electronic device 300 includes a radio frequency (RF) circuit 310, a memory 320, an input unit 330, a display unit 340, a processor 350, an audio circuit 360, a communication module 370, a power source 380, and a linear motor 390.
  • RF radio frequency
  • the linear motor 390 includes a first casing, a second casing, a coil, a flexible circuit board, an elastic member, and a magnet, wherein the first casing is a cavity having an open end, and the second casing is located at the opening And being fixedly connected to the first casing, wherein the coil, the flexible circuit board, the elastic component and the magnet are received in the cavity, wherein the magnet is elastically connected to the first casing through the elastic component, The coil is fixedly connected to the second casing, the flexible circuit board is electrically connected to the coil, and the magnet is controlled to vibrate, and the flexible circuit board is fixedly connected with the second casing or The coil is fixedly connected.
  • the elastic component is an annular spring
  • the outer side of the annular spring is a fixed end
  • the middle of the annular spring is a free end
  • the fixed end is fixedly connected to an inner wall of the first casing, and the free end is fixedly connected to the magnet.
  • the linear motor further comprises a mass, the mass being fixedly connected to the free end.
  • the mass is an annular structure, and an end of the inner ring of the mass near the free end is provided with an annular step; the magnet is located in an inner ring of the mass and is fixed to the annular step connection.
  • the coil is a ring structure
  • the magnet is a cylindrical structure
  • the magnet portion is received in an inner ring of the coil.
  • the coil is a ring structure
  • the magnet is a ring structure
  • the magnet portion is received in an inner ring of the coil or the coil portion is received in an inner ring of the magnet.
  • the second casing cooperates with the open end to seal the opening formed by the open end.
  • the first casing is a cavity having an open end
  • the second casing is located at the open end and is fixedly connected to the first casing
  • the coil, the flexible circuit board, the elastic component and the magnet are received in In the cavity, wherein the magnet is elastically connected to the first casing through the elastic member, the coil is fixedly connected to the second casing, and the flexible circuit board is electrically connected to the coil and can be controlled The magnet vibrates, and the flexible circuit board is fixedly connected to the second casing or fixedly connected to the coil.
  • the magnet Since the coil is fixed, the magnet is elastically connected to the first casing to generate vibration, thereby solving the breakage of the wire joint caused by the coil and the flexible circuit board due to the relative displacement between the coil and the flexible circuit board. A problem that affects the service life of the motor.
  • the input unit 330 can be used to receive digital or character information input by the user, and generate signal input related to user setting and function control of the electronic device 300.
  • the input unit 330 may include a touch panel 331.
  • the touch panel 331 also referred to as a touch screen, can collect touch operations on or near the user (such as the operation of the user using any suitable object or accessory such as a finger or a stylus on the touch panel 331), and according to the preset The programmed program drives the corresponding connection device.
  • the touch panel 331 can include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 350 is provided and can receive commands from the processor 350 and execute them.
  • the touch panel 331 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 330 may further include other input devices 332, which may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like. One or more of them.
  • the display unit 340 can be used to display information input by the user or information provided to the user and various menu interfaces of the electronic device 300.
  • the display unit 340 can include a display panel 341.
  • the display panel 341 can be configured in the form of an LCD or an Organic Light-Emitting Diode (OLED).
  • the touch panel 331 can cover the display panel 341 to form a touch display screen, and when the touch display screen detects a touch operation on or near it, it is transmitted to the processor 350 to determine the type of the touch event, and then the processor The 350 provides a corresponding visual output on the touch display depending on the type of touch event.
  • the touch display includes an application interface display area and a common control display area.
  • the arrangement manner of the application interface display area and the display area of the common control is not limited, and the arrangement manner of the two display areas can be distinguished by up-and-down arrangement, left-right arrangement, and the like.
  • the application interface display area can be used to display the interface of the application. Each interface can contain interface elements such as at least one application's icon and/or widget desktop control.
  • the application interface display area can also be an empty interface that does not contain any content.
  • the common control display area is used to display controls with high usage, such as setting buttons, interface numbers, scroll bars, phone book icons, and the like.
  • the processor 350 is a control center of the electronic device 300, and connects various parts of the entire mobile phone by using various interfaces and lines, by running or executing software programs and/or modules stored in the first memory 321, and calling the second storage.
  • the data in the memory 322 performs various functions and processing data of the electronic device 300, thereby performing overall monitoring of the electronic device 300.
  • processor 350 can include one or more processing units.
  • the electronic device may include at least one of a mobile phone, a tablet, a handheld game console, a laptop portable computer, and a smart bracelet.

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

Abstract

一种线性马达和包括该线性马达的电子设备，该线性马达包括第一机壳（101）、第二机壳（102）、线圈（103）、柔性电路板（104）、弹性部件（105）和磁体（106），其中第一机壳（101）为具有一开口端的腔体，第二机壳（102）位于开口端且与第一机壳（101）固定连接，线圈（103）、柔性电路板（104）、弹性部件（105）和磁体（106）收容于腔体内，其中磁体（106）通过弹性部件（105）与第一机壳（101）弹性连接，线圈（103）与第二机壳（102）固定连接，柔性电路板（104）与线圈（103）电连接，并可控制磁体（106）震动，柔性电路板（104）与第二机壳（102）固定连接或者与线圈（103）固定连接。该线性马达解决了线圈与柔性电路板连接的线头焊点容易断裂的问题。

Description

线性马达和电子设备
相关申请的交叉引用
本申请主张在2017年2月8日在中国提交的中国专利申请号No.201710069111.1的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及马达制造技术领域，尤其涉及一种线性马达和电子设备。
背景技术
随着通信技术的发展，便携式电子设备，如手机、掌上游戏机等进入了人们的生活。在这些便携式电子设备中，一般会用微型振动马达来做系统反馈，例如手机来电提示、游戏机的振动反馈等。Z向线性马达因结构简单、零部件数量少、易于实现自动化生产、震感细腻、噪音小、震感强和响应时间快等优势广泛应用在电子设备中。相关技术中的Z向线性马达通常包括线圈、柔性电路板、弹性部件和磁体，其中线圈与弹性部件连接，磁体固定形成定子，柔性电路板与线圈电连接，通过电流控制使得线圈产生变化的磁场，该变化的磁场与磁体配合产生振动。由于线圈振动，使得线圈与柔性电路板之间发生相对位移，从而导致线圈与柔性电路板连接的线头焊点断裂，影响马达的使用寿命。
发明内容
本公开实施例提供一种线性马达和电子设备，以解决由于线圈与柔性电路板连接的线头焊点容易断裂，影响马达的使用寿命的问题。
第一方面，本公开一些实施例提供了一种线性马达，包括第一机壳、第二机壳、线圈、柔性电路板、弹性部件和磁体，其中所述第一机壳为具有一开口端的腔体，所述第二机壳位于所述开口端且与所述第一机壳固定连接，所述线圈、柔性电路板、弹性部件和磁体收容于所述腔体内，其中所述磁体通过所述弹性部件与所述第一机壳弹性连接，所述线圈与所述第二机壳固定连接，所述柔性电路板与所述线圈电连接，并可控制所述磁体震动，所述柔性电路板与所 述第二机壳固定连接或者与所述线圈固定连接。
第二方面，本公开一些实施例还提供了一种电子设备，包括线性马达，线性马达包括第一机壳、第二机壳、线圈、柔性电路板、弹性部件和磁体，其中所述第一机壳为具有一开口端的腔体，所述第二机壳位于所述开口端且与所述第一机壳固定连接，所述线圈、柔性电路板、弹性部件和磁体收容于所述腔体内，其中所述磁体通过所述弹性部件与所述第一机壳弹性连接，所述线圈与所述第二机壳固定连接，所述柔性电路板与所述线圈电连接，并可控制所述磁体震动，所述柔性电路板与所述第二机壳固定连接或者与所述线圈固定连接。
这样，本公开实施例中，第一机壳为具有一开口端的腔体，第二机壳位于开口端且与所述第一机壳固定连接，线圈、柔性电路板、弹性部件和磁体收容于所述腔体内，其中磁体通过所述弹性部件与所述第一机壳弹性连接，所述线圈与所述第二机壳固定连接，所述柔性电路板与所述线圈电连接，并可控制所述磁体震动，所述柔性电路板与所述第二机壳固定连接或者与所述线圈固定连接。由于将线圈固定不动，通过磁体与第一机壳弹性连接，从而产生振动，因此解决了由于线圈与柔性电路板之间发生相对位移，从而导致线圈与柔性电路板连接的线头焊点断裂，影响马达的使用寿命的问题。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获取其他的附图。
图1是本公开一些实施例提供的线性马达的爆炸结构图；
图2是本公开一些实施例提供的线性马达的剖面结构图；
图3为本公开一些实施例提供的电子设备的结构图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清 楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获取的所有其他实施例，都属于本公开保护的范围。
参照图1和图2，本公开一些实施例提供了一种线性马达，该线性马达包括第一机壳101、第二机壳102、线圈103、柔性电路板104、弹性部件105和磁体106，其中所述第一机壳101为具有一开口端的腔体，所述第二机壳102位于所述开口端且与所述第一机壳101固定连接，所述线圈103、柔性电路板104、弹性部件105和磁体106收容于所述腔体内，其中所述磁体106通过所述弹性部件105与所述第一机壳101弹性连接，所述线圈103与所述第二机壳102固定连接，所述柔性电路板104与所述线圈103电连接，并可控制所述磁体106震动，所述柔性电路板104与所述第二机壳102固定连接或者与所述线圈103固定连接。
本公开一些实施例中，柔性电路板104可以通过周期性的输出交变电流至线圈103，从而使得线圈103产生变化的磁场；通过该变化的磁场可以推动磁体106上下运动，从而产生震动。
进一步的，为例防止柔性电路板104在磁体106发生震动的过程中产生移动，上述柔性电路板104可以固定在第二机壳102上，也可以固定在线圈103上。上述磁体106为具有磁性的部件，例如可以为永久磁体。
具体的，上述第一机壳101和第二机壳102的形状可以根据实际需要进行设置，例如，上述第一机壳101呈圆柱形设置，且其中一端的端面向内凹陷形成用于收容线圈103、柔性电路板104、弹性部件105和磁体106的收容腔以及开口端。
这样，本公开实施例中，第一机壳101为具有一开口端的腔体，第二机壳102位于开口端且与所述第一机壳101固定连接，线圈103、柔性电路板104、弹性部件105和磁体106收容于所述腔体内，其中磁体106通过所述弹性部件105与所述第一机壳101弹性连接，所述线圈103与所述第二机壳102固定连接，所述柔性电路板104与所述线圈103电连接，并可控制所述磁体106震动。由于将线圈103固定不动，通过磁体106与第一机壳101弹性连接，从而产生振动，因此解决了由于线圈103与柔性电路板104之间发生相对位移，从而导 致线圈103与柔性电路板104连接的线头焊点断裂，影响马达的使用寿命的问题。
进一步的，上述弹性部件105的结构可以根据实际需要进行设置，例如，在本公开一些实施例中，上述弹性部件105为环形弹簧，所述环形弹簧的外侧为固定端，所述环形弹簧的中部为自由端。
本公开一些实施例中，上述弹性部件105的固定端与所述第一机壳101的内壁固定连接，所述自由端与所述磁体106固定连接。
具体的，上述环形弹簧的外周与第一机壳101的内壁固定连接，例如可以设置限位槽、限位台阶等方式设置固定位，通过卡持或者粘接等方式进行固定。在环形弹簧的外周到中部之间设有多个呈螺旋状设置的镂空孔，从而使得中部具有弹性。环形弹簧的自由端可以直接或者间接与磁体106固定，从而使得磁体可以在弹簧的弹性伸缩范围内移动。
可以理解的是，在其他实施例中，上述弹性部件还可以设置为其他弹性连接结构，例如弹片等，只要能够实现磁体106在弹性部件的弹性伸缩范围内移动即可。
可选的，为了达到更好的震动效果，在本公开一些实施例中，在柔性电路板104未对线圈103输入交变电流时，磁体106具有一定的重量克服弹性部件105的弹性作用力，使得弹性部件105发生弹性形变，处于弹性伸展状态。此时若线圈103产生磁场，将会使得磁体106发生位移，改变磁体106的位置。由于无需克服一定大小的弹性作用力后，才能使得磁体106发生移动，因此提高了震动控制的灵活性。
应理解，本实施例中，磁体106的重量需要达到一定程度，如图所示，当磁体106的重量较小时，可以增加质量块107使得弹性部件105发生弹性形变。具体的，上述所述线性马达还可以包括质量块107，所述质量块107与所述自由端固定连接。
具体的，上述质量块107的材质可以形状均可以根据实际需要进行设置，例如，在本公开一些实施例中，上述质量块107为环形结构，所述质量块107的内环靠近所述自由端的一端设有环形台阶；所述磁体106位于所述质量块107的内环中，且与所述环形台阶固定连接。
本实施例中，上述质量块107设置环形台阶，可以将磁体106粘合固定在限位台阶上，质量块107直接粘合固定在环形弹簧的自由端，从而实现环形弹簧的间接固定。此外磁体106还可以直接贯穿质量块107的内环，然后与环形弹簧的自由端粘合固定连接。
可以理解的是，上述磁体106的形状可以根据实际需要进行设置。由于磁体106设置的形状不同，对应的与线圈103的位置关系可以设置为多种情况。以下对此进行详细说明。
可选的，在第一种方案中：所述线圈103为环形结构，所述磁体106为柱形结构，所述磁体106部分容置于所述线圈103的内环中。
本方案中，将磁体106部分容置于线圈103的内环，从而可以适当增加线圈103所产生的磁感线穿过磁体106的数量，从而增加了磁体106与线圈103之间的磁作用力，进而可以提升震动效果。具体的，一些实施例中，磁体106的外壁与线圈103内环的内壁之间具有一定间隙，从而可以保证磁体106的自由震动。由于将磁体106设置为部分容置于线圈103中，从而可以有效减小第一机壳101内部形成收容腔的容积，进而减小线性马达的体积。在其他实施例中，上述磁体106还可以不容置于线圈103的内环中。
可选的，在第二种方案中：所述线圈103为环形结构，所述磁体106为环形结构，所述磁体106部分容置于所述线圈103的内环中或者所述线圈103部分容置于所述磁体106的内环中。
本方案中，将磁体106部分容置于线圈103的内环，从而可以适当增加线圈103所产生的磁感线穿过磁体106的数量，从而增加了磁体106与线圈103之间的磁作用力，进而可以提升震动效果。具体的，一些实施例中，磁体106的外壁与线圈103内环的内壁之间具有一定间隙，从而可以保证磁体106的自由震动。
此外，将线圈103部分容置于磁体106的内环中，从而可以使得线圈103产生的所有磁感线穿过磁体106，从而增加了磁体106与线圈103之间的磁作用力，进而可以提升震动效果。具体的，一些实施例中，线圈103的外壁与磁体106内环的内壁之间具有一定间隙，从而可以保证磁体106的自由震动。
本公开一些实施例中，为了保证磁体106可以上下平稳震动，可选的，上 述线圈103和磁体106的中轴线相互重合。
进一步的，上述第二机壳102与所述开口端配合，密封所述开口端形成的开口。本公开一些实施例中，第二机壳102可以与第一机壳101形成密闭的收容腔，线圈103、柔性电路板104、弹性部件105和磁体106均位于收容腔内，且柔性电路板104可部分延伸到外部与外部控制芯片相连，由外部控制芯片输入控制信号控制柔性电路板104输出到线圈103的电流。
另一方面，本公开提供了一种电子设备。请参阅图3，图3是本公开一些实施提供的电子设备的结构图。
如图3所示，电子设备300包括射频(Radio Frequency，RF)电路310、存储器320、输入单元330、显示单元340、处理器350、音频电路360、通信模块370、电源380及线性马达390。
线性马达390包括第一机壳、第二机壳、线圈、柔性电路板、弹性部件和磁体，其中所述第一机壳为具有一开口端的腔体，所述第二机壳位于所述开口端且与所述第一机壳固定连接，所述线圈、柔性电路板、弹性部件和磁体收容于所述腔体内，其中所述磁体通过所述弹性部件与所述第一机壳弹性连接，所述线圈与所述第二机壳固定连接，所述柔性电路板与所述线圈电连接，并可控制所述磁体震动，所述柔性电路板与所述第二机壳固定连接或者与所述线圈固定连接。
可选的，所述弹性部件为环形弹簧，所述环形弹簧的外侧为固定端，所述环形弹簧的中部为自由端。
可选的，所述固定端与所述第一机壳的内壁固定连接，所述自由端与所述磁体固定连接。
可选的，所述线性马达还包括质量块，所述质量块与所述自由端固定连接。
可选的，所述质量块为环形结构，所述质量块的内环靠近所述自由端的一端设有环形台阶；所述磁体位于所述质量块的内环中，且与所述环形台阶固定连接。
可选的，所述线圈为环形结构，所述磁体为柱形结构，所述磁体部分容置于所述线圈的内环中。
可选的，所述线圈为环形结构，所述磁体为环形结构，所述磁体部分容置 于所述线圈的内环中或者所述线圈部分容置于所述磁体的内环中。
可选的，所述第二机壳与所述开口端配合，密封所述开口端形成的开口。
这样，本公开实施例中，第一机壳为具有一开口端的腔体，第二机壳位于开口端且与所述第一机壳固定连接，线圈、柔性电路板、弹性部件和磁体收容于所述腔体内，其中磁体通过所述弹性部件与所述第一机壳弹性连接，所述线圈与所述第二机壳固定连接，所述柔性电路板与所述线圈电连接，并可控制所述磁体震动，所述柔性电路板与所述第二机壳固定连接或者与所述线圈固定连接。由于将线圈固定不动，通过磁体与第一机壳弹性连接，从而产生振动，因此解决了由于线圈与柔性电路板之间发生相对位移，从而导致线圈与柔性电路板连接的线头焊点断裂，影响马达的使用寿命的问题。
其中，输入单元330可用于接收用户输入的数字或字符信息，以及产生与电子设备300的用户设置以及功能控制有关的信号输入。具体地，本公开实施例中，该输入单元330可以包括触控面板331。触控面板331，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板331上的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，触控面板331可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给该处理器350，并能接收处理器350发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板331。除了触控面板331，输入单元330还可以包括其他输入设备332，其他输入设备332可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
其中，显示单元340可用于显示由用户输入的信息或提供给用户的信息以及电子设备300的各种菜单界面。显示单元340可包括显示面板341，可选的，可以采用LCD或有机发光二极管(Organic Light-Emitting Diode，OLED)等形式来配置显示面板341。
应注意，触控面板331可以覆盖显示面板341，形成触摸显示屏，当该触摸显示屏检测到在其上或附近的触摸操作后，传送给处理器350以确定触摸事 件的类型，随后处理器350根据触摸事件的类型在触摸显示屏上提供相应的视觉输出。
触摸显示屏包括应用程序界面显示区及常用控件显示区。该应用程序界面显示区及该常用控件显示区的排列方式并不限定，可以为上下排列、左右排列等可以区分两个显示区的排列方式。该应用程序界面显示区可以用于显示应用程序的界面。每一个界面可以包含至少一个应用程序的图标和/或widget桌面控件等界面元素。该应用程序界面显示区也可以为不包含任何内容的空界面。该常用控件显示区用于显示使用率较高的控件，例如，设置按钮、界面编号、滚动条、电话本图标等应用程序图标等。
其中处理器350是电子设备300的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在第一存储器321内的软件程序和/或模块，以及调用存储在第二存储器322内的数据，执行电子设备300的各种功能和处理数据，从而对电子设备300进行整体监控。可选的，处理器350可包括一个或多个处理单元。
电子设备可以包括：手机、平板电脑、掌上游戏机、膝上型便携计算机和智能手环中的至少一项。
以上，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种线性马达，包括第一机壳、第二机壳、线圈、柔性电路板、弹性部件和磁体，其中所述第一机壳为具有一开口端的腔体，所述第二机壳位于所述开口端且与所述第一机壳固定连接，所述线圈、柔性电路板、弹性部件和磁体收容于所述腔体内，其中所述磁体通过所述弹性部件与所述第一机壳弹性连接，所述线圈与所述第二机壳固定连接，所述柔性电路板与所述线圈电连接，并可控制所述磁体震动，所述柔性电路板与所述第二机壳固定连接或者与所述线圈固定连接。
  2. 根据权利要求1所述的线性马达，其中，所述弹性部件为环形弹簧，所述环形弹簧的外侧为固定端，所述环形弹簧的中部为自由端。
  3. 根据权利要求2所述的线性马达，其中，所述固定端与所述第一机壳的内壁固定连接，所述自由端与所述磁体固定连接。
  4. 根据权利要求2所述的线性马达，还包括质量块，所述质量块与所述自由端固定连接。
  5. 根据权利要求4所述的线性马达，其中，所述质量块为环形结构，所述质量块的内环靠近所述自由端的一端设有环形台阶；所述磁体位于所述质量块的内环中，且与所述环形台阶固定连接。
  6. 根据权利要求1至5中任一项所述的线性马达，其中，所述线圈为环形结构，所述磁体为柱形结构，所述磁体部分容置于所述线圈的内环中。
  7. 根据权利要求1至5中任一项所述的线性马达，其中，所述线圈为环形结构，所述磁体为环形结构，所述磁体部分容置于所述线圈的内环中或者所述线圈部分容置于所述磁体的内环中。
  8. 根据权利要求1至5中任一项所述的线性马达，其中，所述第二机壳与所述开口端配合，密封所述开口端形成的开口。
  9. 一种电子设备，包括如权利要求1至8中任一项所述的线性马达。
  10. 根据权利要求9所述的电子设备，其中，所述电子设备包括手机、平板电脑、掌上游戏机、膝上型便携计算机和智能手环中的至少一项。
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CN202121479U (zh) * 2010-08-06 2012-01-18 宝星电子股份有限公司 线性振动电机
CN103219857A (zh) * 2012-01-20 2013-07-24 三星电机株式会社 振动电机
CN106849590A (zh) * 2017-02-08 2017-06-13 维沃移动通信有限公司 一种线性马达和电子设备

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