WO2022143043A1 - 振动器和电子设备 - Google Patents
振动器和电子设备 Download PDFInfo
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- WO2022143043A1 WO2022143043A1 PCT/CN2021/136121 CN2021136121W WO2022143043A1 WO 2022143043 A1 WO2022143043 A1 WO 2022143043A1 CN 2021136121 W CN2021136121 W CN 2021136121W WO 2022143043 A1 WO2022143043 A1 WO 2022143043A1
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- WIPO (PCT)
- Prior art keywords
- vibrator
- magnetic conductive
- conductive member
- permanent magnets
- magnetic
- Prior art date
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 173
- 238000005452 bending Methods 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 14
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Definitions
- the present invention relates to the technical field of vibration motors, in particular to a vibrator and electronic equipment.
- a vibrator is installed in some electronic products, and the user can obtain a better experience through the vibration of the vibrator. For example, when a user experiences a game, through the vibration feedback of the vibrator, the user can feel the fun brought by the game more.
- the current vibrators all vibrate in a single direction, and the tactile feedback effect is single, which is difficult to satisfy the rich game tactile design in the game.
- the present invention proposes a vibrator, the vibrator comprises:
- the casing encloses an installation space
- stator assembly is disposed in the installation space, the stator assembly includes a coil and a magnetic conductive member, and the magnetic conductive member is disposed on one side of the coil in the axial direction;
- a vibrator assembly the vibrator assembly has at least two natural frequencies
- the vibrator assembly includes a counterweight block located in the installation space, a permanent magnet connected to the counterweight block, and an elastic member, the counterweight block passes through the
- the elastic member is suspended in the installation space, a plurality of the permanent magnets are arranged, and the plurality of the permanent magnets are surrounded by the magnetic conductive member and are used for magnetic coupling with the magnetic conductive member.
- the permanent magnets form two magnetic field directions whose extension directions intersect.
- the magnetic conductive member is arranged in an annular shape
- the stator assembly further includes a magnetic conductive column, and the magnetic conductive column penetrates the coil and the annular magnetic conductive member.
- the vibrator further includes a circuit board, the circuit board is provided with a positioning hole, the magnetic conductive column is arranged in the positioning hole, and the coil is connected to the circuit board.
- the two said coils are respectively arranged on two sides of said magnetic conductive member, and when the two said coils are energized, the energized currents are reversed.
- the permanent magnet is a strip-shaped structure, the permanent magnet includes a plurality of the permanent magnets, and the plurality of the permanent magnets are arranged around the magnetic conducting member.
- the four permanent magnets are arranged in parallel in pairs, and the permanent magnets are arranged to form a square.
- the opposite ends of the parallel permanent magnets have opposite magnetic poles.
- the magnets form two magnetic field directions whose extension directions are orthogonal.
- the vibrator assembly further includes two washers, the two washers are disposed along the axial direction of the coil, and the two washers are disposed on two opposite surfaces of the permanent magnet.
- the elastic member includes a connecting end connected to the weight block and an abutting end abutting against the housing, and a plurality of bending sections are arranged between the connecting end and the abutting end, One of the bending sections is connected to the connecting end, one of the bending sections is connected to the abutting end, and a plurality of the bending sections are connected end to end in sequence.
- the bending section further includes a bending body and a connecting portion, the connecting portion is provided between the bending bodies, and the connecting portion is used to connect the bending bodies, and the bending body There are arc-shaped notches on both sides.
- the present invention also provides an electronic device, the electronic device includes a housing and the vibrator as described above, and the vibrator is provided in the housing.
- the coil when the coil is connected to the current, the coil generates a magnetic field along the axis of the coil, the magnetic field of the coil acts on the magnetic conductive member, the magnetic conductive member is magnetized by the magnetic field of the coil, and the magnetic conductive member changes The direction of the magnetic field of the coil forms a magnetic field along the radial direction of the coil, that is, the magnetic field of the magnetic conductive member.
- the magnetic field of the magnetic conductive member acts on the permanent magnet, the permanent magnet is surrounded by the magnetic conductive member, and a circular magnetic circuit is formed around the magnetic conductive member. Move in a plane perpendicular to the axial direction of the coil.
- the vibrator assembly realizes vibration of different frequencies. Since the vibrator assembly has two natural frequencies, when the vibration frequency of the vibrator assembly is close to or equal to one of the natural frequencies, the vibrator assembly vibrates along a direction of a magnetic field that crosses each other. When the vibration frequency of the vibrator assembly is close to or equal to another natural frequency, the vibrator assembly realizes vibration in another magnetic field direction. In this way, the vibration of the vibrator in a single direction is changed, two-way vibration is realized, and the effect of vibration feedback is improved.
- FIG. 1 is a schematic diagram of a structural explosion of an embodiment of a vibrator of the present invention
- FIG. 2 is a schematic structural diagram of a hidden casing in an embodiment of the vibrator of the present invention.
- FIG. 3 is a schematic structural diagram of a stator assembly of the present invention.
- FIG. 4 is a schematic cross-sectional structure diagram of the stator assembly in FIG. 3;
- Fig. 5 is the structural representation of the vibrator vibration direction of the present invention.
- Fig. 6 is the structural representation of counterweight block in Fig. 1;
- FIG. 7 is a schematic structural diagram of the elastic member in FIG. 1 .
- the terms "connected”, “fixed” and the like should be understood in a broad sense, for example, “fixed” may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise explicitly defined.
- “fixed” may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise explicitly defined.
- a vibrator is a device that converts electrical energy into mechanical vibration. At present, the vibrator vibrates in a single direction. When the user uses it, the tactile feedback effect is single.
- the present invention provides a vibrator, which can be used in various electronic devices, such as smart phones, and can also be used in game machines.
- the vibrator includes: a casing (not shown), a stator assembly (not shown) and a vibrator assembly (not shown), the casing encloses an installation space, the casing includes an upper casing 410 and a bottom plate 420 , and the upper casing 410 includes an upper cover plate 411 and the side plate 412 connected to the periphery of the upper cover plate 411, the bottom plate 420, the side plate 412, and the upper cover plate 411 enclose an installation space.
- the stator assembly and the vibrator assembly are arranged in the installation space of the casing.
- the position of the stator assembly is fixed, the stator assembly generates an electromagnetic field, the position of the vibrator assembly can be changed, and the vibrator assembly vibrates under the action of the electromagnetic field.
- the stator assembly is arranged in the installation space.
- the stator assembly includes a coil 120 and a magnetic conductive member 110.
- a magnetic field is formed around the coil 120 when it is energized.
- the magnetic field direction of the coil 120 is along the axial direction of the coil 120 .
- the magnetic conductive member 110 is disposed on one side of the coil 120 in the axial direction; the material of the magnetic conductive member 110 can be selected in various ways.
- the magnetic conductive member 110 is an iron core ring.
- the iron core ring has good magnetic permeability and is easily magnetized by the magnetic field generated by the coil 120 to form a new magnetic field.
- the material of the magnetic conductive member 110 may also be other magnetic conductive materials, such as low-carbon steel, iron-silicon alloy, iron-aluminum alloy and other iron alloys.
- the magnetic conductive member 110 may be circular or square.
- the vibrator assembly includes a counterweight block 210 and a permanent magnet 220 located in the installation space, and the counterweight block 210 is movably connected to the housing to realize vibration.
- the permanent magnet 220 is connected to the counterweight 210 , the permanent magnet 220 surrounds the magnetic conductive member 110 , and the magnetic conductive member 110 is arranged in the middle position of the permanent magnet 220 .
- the counterweight 210 is suspended in the installation space through an elastic member 240 , and one end of the elastic member 240 away from the counterweight 210 is connected to the housing.
- the permanent magnet is magnetically coupled with the magnetic conductive member 110 .
- the counterweight 210 has a certain mass, wherein the mass of the counterweight 210 directly affects the natural frequency of the vibrator assembly. In addition, the natural frequency of the vibrator assembly is also affected by the material. It is also affected by the elastic member 240. For example, the elastic member has two different elastic coefficients.
- the permanent magnet 220 refers to a magnetic component, such as a magnet.
- the permanent magnet 220 is a permanent magnet.
- the permanent magnet 220 is connected to the counterweight 210 .
- the permanent magnet 220 generates a driving force under the action of the magnetic field of the magnetic conductive member 110 .
- the permanent magnet 220 moves under the action of the magnetic field of the magnetic conductive member 110 , and while the permanent magnet 220 moves, the counterweight 210 moves along with the permanent magnet 220 .
- the switching of the N pole and the S pole of the magnetic field direction of the magnetic conductive member 110 is realized, and the reciprocating vibration of the vibrator assembly is realized under the action of the changing magnetic field.
- the coil 120 when the coil 120 is connected to a current, the coil 120 generates a magnetic field along the axis of the coil 120 , the magnetic field of the coil 120 acts on the magnetic conductive member 110 , and the magnetic conductive member 110 is affected by the coil 120 .
- the magnetic field is magnetized, and the magnetic conductive member 110 changes the magnetic field direction of the coil 120 to form a magnetic field along the radial direction of the coil 120 , that is, the magnetic field of the magnetic conductive member 110 .
- the magnetic field of the magnetic conductive member 110 acts on the permanent magnet 220, the permanent magnets 220 are arranged around the magnetic conductive member 110, and a circular magnetic circuit is formed around the magnetic conductive member 110.
- the magnetic field interacts, and the permanent magnet 220 can move in a plane perpendicular to the axial direction of the coil 120 .
- the polarity of the magnetic field of the magnetic conductive member 110 changes between positive and negative, so that the permanent magnet 220 and the magnetic conductive member 110 generate attraction and repulsion, and the permanent magnet 220 is subjected to the magnetic field with the changing polarity
- the driving force that reciprocates, thereby creating the effect of vibration.
- the vibrator assembly realizes vibration of different frequencies.
- the vibrator assembly Since the vibrator assembly has two natural frequencies, when the vibration frequency of the vibrator assembly is close to or equal to one of the natural frequencies, the vibrator assembly vibrates in a direction of a magnetic field that crosses each other. When the vibration frequency of the vibrator assembly is close to or equal to another natural frequency, the vibrator assembly realizes vibration in another magnetic field direction. In this way, the vibration of the vibrator in a single direction is changed, and two-way vibration is realized, thereby improving the effect of vibration feedback.
- the stator assembly includes a magnetic conductive column 130 , the magnetic conductive member 110 is arranged in a ring shape, and the magnetic conductive column 130 passes through the coil 120 and the annular magnetic conductive member 110 .
- the material of the magnetic conductive column 130 is an iron core, and the iron core has good magnetic permeability. After the magnetic conductive column 130 is arranged, the magnetic field of the coil 120 is strengthened, thereby increasing the magnetic field strength of the coil 120 .
- the magnetic conductive member 110 is disposed on the magnetic conductive column 130, and through the contact between the magnetic conductive member 110 and the magnetic conductive column 130, the magnetic conductive column 130 can more effectively transmit the intensity of the magnetic field generated by the coil 120 to the magnetic conductive member 110, Therefore, it is more favorable for the magnetic conductive member 110 to quickly form a magnetic field.
- the vibrator includes the circuit board 30 , the circuit board 30 is provided with a positioning hole 310 , the magnetic conductive column 130 is arranged in the positioning hole 310 , and the coil 120 is connected to the circuit board 30 .
- the magnetic conductive column 130 is inserted into the positioning hole 310 , and is fixed by the positioning hole 310 to improve the firmness of the magnetic conductive column 130 on the circuit board 30 .
- the circuit board 30 When the circuit board 30 is powered on, it transmits the power to the coil 120 to provide power for the coil 120 to generate a magnetic field.
- the magnetic conductive member 110 can also effectively concentrate the magnetic fields of the upper and lower coils 120 .
- the permanent magnets 220 are strip-shaped structures, and the permanent magnets 220 include a plurality of permanent magnets 220 surrounding the magnetic conducting member 110 .
- the permanent magnets 220 there are four permanent magnets 220 , the four permanent magnets 220 are arranged end to end in sequence, and the four permanent magnets 220 are arranged around the magnetic conducting member 110 .
- the four permanent magnets 220 are arranged in parallel, the permanent magnets 220 are surrounded to form a square, the opposite ends of the permanent magnets 220 that are parallel to each other have opposite magnetic poles, and the permanent magnets 220 form two magnetic field directions whose extension directions are orthogonal.
- the magnetic field lines of the magnetic conductive member 110 are formed around the magnetic conductive member 110 . It can be said that the acting force of the magnetic conductive member 110 is in a plane along the radial direction of the magnetic conductive member 110 .
- the positions of the permanent magnets 220 are also set in the plane of the radial direction of the magnetic conductive member 110 . It can be understood from this that the force of the magnetic conductive member 110 may directly act on the permanent magnet 220 .
- the four permanent magnets 220 are arranged around the magnetic conductive member 110 to form a ring-shaped magnetic circuit, and the vibrator assembly has force-bearing positions around the stator assembly, so that when the magnetic field of the coil 120 changes, the vibrator assembly has more force-bearing points , and further, the vibration of the vibrator assembly can be more balanced.
- the magnetic conductive member 110 has a square structure, the structure formed by the permanent magnets 220 is also square, and the side of the magnetic conductive member 110 corresponds to a structure of the permanent magnet 220 . It can be seen from this that the magnetic field of the magnetic conductive member 110 and the magnetic field of the permanent magnet 220 directly interact.
- the vibrator assembly has two natural frequencies, and the vibrator assembly vibrates according to one of the natural frequencies, and the vibration direction of the vibrator assembly is the X direction. If the vibrator assembly vibrates according to the other natural frequency, the vibration direction of the vibrator assembly is the Y direction. .
- the vibrator assembly vibrates, it vibrates in both the X direction and the Y direction, with one of the vibration directions as the main direction and the other as the auxiliary. For example, if the vibration frequency of the vibrator assembly is close to or equal to one of the natural frequencies, the vibration direction in the X direction is the main direction, and the vibration direction in the Y direction is the auxiliary direction. If the vibration frequency of the vibrator assembly is close to or equal to another natural frequency, the vibration direction in the Y direction is the main direction, and the vibration direction in the X direction is the auxiliary.
- the vibrator assembly in order to improve the magnetic properties of the permanent magnet 220, the vibrator assembly further includes two washers 230, the two washers 230 are arranged along the axial direction of the magnetic conducting member 110, and the two washers 230 are covered on the permanent magnet 220 opposite sides.
- the function of the washer 230 is mainly to conduct magnetism.
- the washer 230 is a square metal sheet.
- the vibrator assembly in order to make the vibrator assembly vibrate smoothly, includes a frame structure, the permanent magnet 220 is located inside the frame structure, the counterweight 210 is located outside the frame structure, and the elastic member 240 is located at The counterweight 210 is on the side away from the permanent magnet, and the coil 120 and the magnetic conductive member 110 are located in the frame structure.
- the permanent magnets 220 are disposed inside the frame structure, so that the permanent magnets 220 are closer to the magnetic conductive member 110 , and the closer the permanent magnets 220 are to the magnetic conductive member 110 , the higher the density of magnetic lines of force. Therefore, the driving force received by the permanent magnet 220 is larger, and the effect of the vibration of the counterweight 210 is also better.
- a spaced gap is provided between the counterweight 210 and the magnetic conductive member 110 .
- the frame structure vibrates in the spaced gaps, thereby ensuring that the counterweight 210 can vibrate smoothly.
- the counterweight 210 in order to make the vibrator assembly vibrate more evenly, includes a first vibrating portion 211 and a second vibrating portion 212 arranged oppositely, and a connection connecting the first vibrating portion 211 and the second vibrating portion 212
- the first vibrating part 211 and the second vibrating part 212 are respectively disposed on opposite sides of the magnetic conducting member 110; the counterweight 210 has a certain weight, and the mass of the counterweight 210 directly affects the vibration effect of the vibrator assembly. For example, the greater the mass of the counterweight 210, the lower the vibration frequency of the vibrator assembly. Likewise, the smaller the mass of the counterweight 210 is, the higher the vibration frequency of the vibrator assembly is.
- Disposing the first vibrating portion 211 and the second vibrating portion 212 on opposite sides of the stator assembly can make the gravity on both sides of the vibrator assembly more balanced and avoid vibration deviation.
- the mass of the first vibration part 211 and the second vibration part 212 are the same.
- the vibrator assembly further includes two elastic members 240 , one elastic member 240 is disposed on the side of the first vibrating portion 211 away from the magnetic conductive member 110 , and the other elastic member 240 is disposed on the side of the second vibrating portion 212 away from the magnetic conductive member 110 .
- the function of the elastic member 240 is to ensure that the counterweight block 210 vibrates within a suitable range, so as to prevent the counterweight block 210 from touching the inner wall of the housing during the vibration process. It can be said that the elastic member 240 plays a certain buffering role.
- the elastic member 240 includes a connecting end 241 connected to the counterweight 210 and an abutting end 242 abutting against the housing.
- the connecting end 241 and the abutting end 242 A plurality of bending sections 234 are arranged therebetween, a bending section 243 is connected to the connecting end 241 , a bending section 243 is connected to the abutting end 242 , and the bending sections 243 are connected end to end in sequence.
- the elastic member 240 includes a first bending section, a second bending section and a third bending section, the first bending section is connected to the connecting end 241, the second bending section is connected to the abutting end 242, and the first bending section
- the extension directions of the bending section and the second bending section are parallel
- a third bending section is connected between the first bending section and the second bending section
- the extension direction of the third bending section is the same as that of the first bending section. direction cross.
- the bending section 243 further includes a bending body 243a and a connecting portion 243b, the connecting portion 243b is disposed between the bending bodies 243a, and the connecting portion 243b is used to connect the bending body 243a, and the bending body
- Both sides of 243a have arc-shaped notches.
- a connecting portion 243b is provided at the connecting position of the two bending sections 243, and the cross-sectional area of the connecting portion 243b is larger than that of the bending body 243a, so as to ensure that the connecting portion 243b can withstand a large pressure and improve the service life of the bending section 243 .
- the two sides of the bending body 243a have arc-shaped notches, and the force on the bending body is relatively small. Setting the arc-shaped notches can save processing materials, and can also meet the force requirements of the elastic member 240 .
- the present invention also provides an electronic device, the electronic device includes a housing and the vibrator as above, and the vibrator is provided in the housing.
- the vibrator is arranged in the casing, and the casing can effectively protect the vibrator, prevent dust from falling into the vibrator, and also reduce the infiltration of water into the vibrator to prevent the vibrator from malfunctioning.
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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
本发明公开了一种振动器和电子设备，所述振动器包括：壳体、定子组件和振子组件，所述壳体述壳体围设形成安装空间；所述定子组件设于所述安装空间内，所述定子组件包括线圈和导磁件，所述导磁件设于所述线圈的轴向方向一侧；所述振子组件具有至少两固有频率，所述振子组件包括位于所述安装空间内的配重块、连接于所述配重块的永磁体和弹性件，所述配重块通过所述弹性件悬设于所述安装空间内，所述永磁体设有多个，多个所述永磁体围设于所述导磁件，并用于与所述导磁件磁性耦合，多个所述永磁体形成延伸方向交叉的两磁场方向。本发明的技术方案能够在两个方向上实现振动，从而提高了振动反馈的效果。
Description
本发明涉及振动电机技术领域，尤其涉及一种振动器和电子设备。
在一些电子产品中安装有振动器，通过振动器的振动，用户能够获得更加出色的体验效果。例如，用户在体验游戏时，通过振动器的振动反馈，用户能够更加感受到游戏带来的乐趣。但是，目前的振动器均是单一方向上的振动，触觉反馈效果单一，难以满足游戏中丰富的游戏触感设计。
发明内容
基于此，针对现有的振动器振动方向单一的情况，导致触觉反馈效果单一的问题，有必要提供一种振动器和电子设备，旨在能够提高提高触觉反馈效果。
为实现上述目的，本发明提出的一种振动器，所述振动器包括：
壳体，所述壳体围设形成安装空间；
定子组件，所述定子组件设于所述安装空间内，所述定子组件包括线圈和导磁件，所述导磁件设于所述线圈的轴向方向一侧；以及
振子组件，所述振子组件具有至少两固有频率，所述振子组件包括位于所述安装空间内的配重块、连接于所述配重块的永磁体和弹性件，所述配重块通过所述弹性件悬设于所述安装空间内，所述永磁体设有多个，多个所述永磁体围设于所述导磁件，并用于与所述导磁件磁性耦合，多个所述永磁体形成延伸方向交叉的两磁场方向。
可选地，所述导磁件呈环形设置，所述定子组件还包括导磁柱，所述导磁柱穿设于所述线圈和环形的导磁件。
可选地，所述振动器还包括电路板，所述电路板开设有定位孔，所述导磁柱设于所述定位孔，所述线圈连接于所述电路板。
可选地，所述线圈设有两个，两所述线圈分设于所述导磁件的两侧，两所述线圈通电时，通电的电流反向。
可选地，所述永磁体为条形结构，所述永磁体包括有多个，多个所述永磁体围设于所述导磁件的四周。
可选地，所述永磁体设有四个，四个所述永磁体两两平行设置，所述永磁体围设形成四方形，相互平行的所述永磁体相对的一端磁极相反，所述永磁体形成延伸方向正交的两磁场方向。
可选地，所述振子组件还包括两华司，两所述华司沿所述线圈的轴向方向设置，两所述华司盖设于所述永磁体相对的两表面。
可选地，所述弹性件包括连接于所述配重块的连接端和抵接于所述壳体的抵接端，所述连接端和所述抵接端之间设置若干弯折段，一所述弯折段连接于所述连接端，一所述弯折段连接于所述抵接端，若干所述弯折段之间依次首尾连接。
可选地，所述弯折段还包括弯折本体和连接部，所述连接部设于所述弯折本体之间，所述连接部用于连接所述弯折本体，所述弯折本体的两侧边具有弧形缺口。
此外，为了实现上述目的，本发明还提供一种电子设备，所述电子设备包括外壳和如上文所述的振动器，所述振动器设于所述外壳内。
本发明提出的技术方案中，线圈在接通电流的情况下，线圈产生沿线圈轴线方向的磁场，线圈的磁场作用在导磁件上，导磁件被线圈的磁场磁化，导磁件改变了线圈的磁场方向，形成了沿线圈径向方向的磁场，即导磁件的磁场。导磁件的磁场作用在永磁体上，永磁体围设在导磁件的四周，在导磁件的四周形成环形磁路，通过导磁件的磁场和永磁体的磁场相互作用，永磁体能够在垂直的于线圈轴向方向的平面内移动。改变线圈中电流的流向，导磁件的磁场极性在正反之间变化，从而使永磁体和导磁件产生吸力和斥力，永磁体在极性变化的磁场用下受到往复作用的驱动力，由此形成振动的效果。通过控制线圈中电流的正反切换频率，振子组件实现不同频率的振动。由于振子组件具有两个固有频率，当振子组件的振动频率和其中一个固有频率接 近或相等时，振子组件沿相互交叉的一个磁场方向实现振动。当振子组件的振动频率和另一个固有频率接近或相等时，振子组件实现另一个磁场方向的振动。如此改变了振动器在单一方向上的振动，实现了双向振动，提高了振动反馈的效果。
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术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发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明振动器一实施例的结构***示意图；
图2为本发明振动器一实施例中隐藏壳体的结构示意图；
图3为本发明定子组件的结构示意图；
图4为图3中定子组件的剖面结构示意图；
图5为本发明振动器振动方向的结构示意图；
图6为图1中配重块的结构示意图；
图7为图1中弹性件的结构示意图。
附图标号说明：
| 标号 | 名称 | 标号 | 名称 |
| 110 | 导磁件 | 242 | 抵接端 |
| 120 | 线圈 | 243 | 弯折段 |
| 130 | 导磁柱 | 243a | 弯折本体 |
| 210 | 配重块 | 243b | 连接部 |
| 211 | 第一振动部 | 30 | 电路板 |
| 212 | 第二振动部 | 310 | 定位孔 |
| 220 | 永磁体 | 410 | 上壳 |
| 230 | 华司 | 411 | 上盖板 |
| 240 | 弹性件 | 412 | 侧板 |
| 241 | 连接端 | 420 | 底板 |
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，本发明实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，在本发明中如涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“连接”、“固定”等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
另外，本发明各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
振动器是一种将电能转化机械振动的装置，目前的振动器均是单一方向上的振动，用户在使用时，触觉反馈效果单一。
为了解决上述问题，参阅图1和图2所示，本发明提供一种振动器，振动器可以用在多种电子设备上，例如智能手机，还可以用在游戏机上。振动器包括：壳体(未标示)、定子组件(未标示)和振子组件(未标示)，壳体围设形成安装空间，壳体包括上壳410和底板420，上壳410包括上盖板411和连接于上盖板411周缘的侧板412，底板420、侧板412、以及上盖板411围合形成安装空间。定子组件和振子组件设于壳体的安装空间内。其中定子组件的位置固定，定子组件产生电磁场，振子组件的位置可以变动，振子组件在电磁场的作用下实现振动。
定子组件设于安装空间内，定子组件包括线圈120和导磁件110，根据电流的磁效应原理，线圈120通电时的周围形成磁场。线圈120的磁场方向沿着线圈120的轴向方向。导磁件110设于线圈120的轴向一侧；导磁件110的材质有多种选择。例如，导磁件110为铁芯环，铁芯环具有良好的导磁性，容易被线圈120产生的磁场磁化，从而形成新的磁场。导磁件110的材质也可以为其它导磁性材料，例如低碳钢、铁硅合金或铁铝合金等铁合金。导磁件110可以为圆形，也可以为方形。
振子组件包括位于安装空间内的配重块210和永磁体220，配重块210活动连接于壳体以便实现振动。永磁体220连接配重块210，永磁体220围设导磁件110，将导磁件110设置在永磁体220的中间位置。配重块210通过弹性件240悬设于安装空间内，弹性件240远离配重块210的一端连接壳体。永磁体与导磁件110磁性耦合。永磁体220设有多个，多个永磁体220围设于导磁件110，并用于与导磁件110磁性耦合，多个永磁体220形成延伸方向交叉的两磁场方向。磁性耦合是指永磁体220的磁场和导磁件110的磁场相互作用。配重块210具有一定质量，其中，配重块210质量的大小直接影响振子组件的固有频率。此外，振子组件的固有频率还受到材质的影响。也受到弹性件240的影响，例如弹性件在两个不同的弹性系数，依据弹性件的弹性系数，控制线圈中电流流向的切换频率，实现不同方向的振动。永磁体220是指带有磁性的部件，例如磁铁。永磁体220是永磁体。永磁体220连接于配重块210。永磁体220在导磁件110的磁场作用下，产生驱动力。如此，永磁体220在导磁件110的磁场作用下移动，永磁体220在移动的同时，配重块210随着永磁体220而移动。通过控制线圈120中电流的流向，实现导磁件110磁场方向的N极和S极的切换，在变动的磁场作 用下，从而实现了振子组件的往复振动。
本实施例提出的技术方案中，线圈120在接通电流的情况下，线圈120产生沿线圈120轴线方向的磁场，线圈120的磁场作用在导磁件110上，导磁件110被线圈120的磁场磁化，导磁件110改变了线圈120的磁场方向，形成了沿线圈120径向方向的磁场，即导磁件110的磁场。导磁件110的磁场作用在永磁体220上，永磁体220围设在导磁件110的四周，在导磁件110的四周形成环形磁路，通过导磁件110的磁场和永磁体220的磁场相互作用，永磁体220能够在垂直的于线圈120轴向方向的平面内移动。改变线圈120中电流的流向，导磁件110的磁场极性在正反之间变化，从而使永磁体220和导磁件110产生吸力和斥力，永磁体220在极性变化的磁场用下受到往复作用的驱动力，由此形成振动的效果。通过控制线圈120中电流的正反切换频率，振子组件实现不同频率的振动。由于振子组件具有两个固有频率，当振子组件的振动频率和其中一个固有频率接近或相等时，振子组件沿相互交叉的一个磁场方向实现振动。当振子组件的振动频率和另一个固有频率接近或相等时，振子组件实现另一个磁场方向的振动。如此改变了振动器在单一方向上的振动，实现了双向振动，从而提高了振动反馈的效果。
参阅图3和图4所示，为了进一步提高线圈120的磁场强度，定子组件包括导磁柱130，导磁件110呈环形设置，导磁柱130穿设于线圈120和环形的导磁件110。其中，导磁柱130的材质有多种选择。例如，导磁柱130为铁芯，铁芯具有良好的导磁性。设置导磁柱130后，线圈120的磁场得到强化，从而提高了线圈120的磁场强度。进一步地，导磁件110设置在导磁柱130上，通过导磁件110和导磁柱130的接触，导磁柱130能够更加有效地将线圈120产生的磁场强度传递给导磁件110，由此更加利于导磁件110迅速形成磁场。
在上述实施例中，振动器包括电路板30，电路板30开设有定位孔310，导磁柱130设于定位孔310，线圈120连接于电路板30。具体地，导磁柱130插设在定位孔310内，通过定位孔310的限位固定，提高导磁柱130在电路板30上的牢固性。电路板30在接通电力的情况下，向线圈120传输电力，从而为线圈120产生磁场提供动力。
参阅图4所示，为了进一步提高线圈120的磁场强度，线圈120设有两个，两线圈120分设于导磁件110的两侧，两线圈120通电时，通电的电流反向。通 过电流的反向流动，依据电磁场形成原理，两个线圈120的磁场相互叠加，从而提高了线圈120形成磁场的强度。当然，为了进一步提高线圈120的磁场强度，在保证线圈120形成的磁场是叠加的情况下，还可以设置二个以上的线圈120。上线圈120形成的磁场方向向下，下线圈120形成的磁场方向向上，上下两个方向的磁场在导磁件110上集中，并通过导磁件110向四周发散。由此可知导磁件110还能够有效集中上下两个线圈120的磁场。
参阅图5所示，为了提高振子组件的受力程度，永磁体220为条形结构，永磁体220包括有多个，多个永磁体220围设于导磁件110的四周。例如，永磁体220设有四个，四永磁体220依次首尾排布，四永磁体220围设于导磁件110四周。
进一步地，四个永磁体220两两平行设置，永磁体220围设形成四方形，相互平行的永磁体220相对的一端磁极相反，永磁体220形成延伸方向正交的两磁场方向，例如，相互平行的永磁体220相对的一端，其中永磁体的一端是N极，则另一个永磁体相对的一端就是S极。磁极相反可以保证磁力线沿同一个方向延伸。
导磁件110的磁力线是围绕导磁件110形成的，可以说导磁件110的作用力是沿导磁件110径向方向的平面内的。永磁体220的位置也设置在导磁件110径向方向的平面内的。由此可以理解的是，导磁件110的作用力可以直接作用在永磁体220上。四个永磁体220围绕导磁件110设置，形成一个环形磁回路，振子组件在定子组件的四周都具有受力位置，从而在线圈120的磁场产生变化时，振子组件具有更多的受力点，进一步的也能够使振子组件的振动更加均衡。其中，导磁件110为方形结构，永磁体220围设形成的结构也为方形，导磁件110的侧边对应一永磁体220结构。由此可知，导磁件110的磁场和永磁体220的磁场直接相互作用。进步一地，振子组件具有两个固有频率，振子组件按照其中一个固有频率振动，则振子组件的振动方向为X方向，若振子组件按照另一个固有频率振动，则振子组件的振动方向为Y方向。振子组件在振动时，在X方向和Y方向均有振动，以其中一个振动方向为主，另一个振动方向为辅。例如，振子组件的振动频率接近或等于其中一个固有频率，则X方向振动方向为主，Y方向振动方向为辅。振子组件的振动频率接近或等于另一个固有频率，则Y方向振动方向为主，X方向振动方向为辅。
在本申请的一实施例中，为了提高永磁体220的磁性，振子组件还包括两华司230，两华司230沿导磁件110的轴向方向设置，两华司230盖设于永磁体220相对的两侧面。通过华司230能够收拢永磁体220外溢的磁力线，能够使电磁场构成一个完整的闭合回路。华司230的作用的主要用来导磁，本实施例中，华司230是方形的金属片。
在本申请的一实施例中，为了使振子组件顺利振动，振子组件包括框体结构，永磁体220位于框体结构的内侧，配重块210设于框体结构的外侧，弹性件240设于配重块210远离永磁体的一侧，线圈120和导磁件110位于框体结构内。永磁体220设置在框体结构的内侧，如此永磁体220更加靠近导磁件110，永磁体220越靠近导磁件110的位置磁力线的密度越高。由此，永磁体220受到的驱动力更加大，配重块210振动的效果也更好。但是，为了保证配重块210具有充裕的振动空间，在配重块210和导磁件110之间设置有间隔的缝隙。框体结构在间隔的缝隙内振动，从而保证配重块210能够顺利振动。
参阅图6所示，为了使振子组件振动的更加均衡，配重块210包括相对设置的第一振动部211和第二振动部212、以及连接第一振动部211和第二振动部212的连接部，第一振动部211和第二振动部212分设于导磁件110的相对两侧；配重块210具有一定重量，配重块210的质量直接影响着振子组件的振动效果。例如，配重块210质量越大，则振子组件的振动频率越低。同样地，配重块210的质量越小，则振子组件的振动频率越高。将第一振动部211和第二振动部212分设于定子组件的相对两侧，可以使振子组件的两侧重力更加均衡，避免振动偏离。其中，第一振动部211和第二振动部212的质量相同。
振子组件还包括两弹性件240，一弹性件240设于第一振动部211背离导磁件110的一侧，另一弹性件240设于第二振动部212背离导磁件110的一侧。弹性件240的作用在于保证配重块210在适合的范围内振动，避免配重块210在振动的过程中触碰到壳体内壁。可以说弹性件240起到一定的缓冲作用。
参阅图7所示，在本申请的一实施例中，弹性件240包括连接于配重块210的连接端241和抵接于壳体的抵接端242，连接端241和抵接端242之间设置若干弯折段234，一弯折段243连接于连接端241，一弯折段243连接于抵接端242，若干弯折段243之间依次首尾连接。通过若干弯折段243的连接，弹性件240在受到压力时，若干弯折段243受力压缩在一起，从而弹性件240能够获得较大 的变形空间。例如，弹性件240包括第一弯折段、第二弯折段和第三弯折段，第一弯折段连接于连接端241，第二弯折段连接于抵接端242，第一弯折段和第二弯折段的延伸方向平行，第一弯折段和第二弯折段之间连接有第三弯折段，第三弯折段的延伸方向和第一弯折段的延伸方向交叉。
在本申请的一实施例中，弯折段243还包括弯折本体243a和连接部243b，连接部243b设于弯折本体243a之间，连接部243b用于连接弯折本体243a，弯折本体243a的两侧边具有弧形缺口。两个弯折段243的连接位置设置连接部243b，连接部243b的横截面积大于弯折本体243a的横截面积，保证连接部243b能够承受较大的压力，提高弯折段243的使用寿命。进一步地，弯折本体243a的两侧边具有弧形缺口，在弯折本体上受力较小，设置弧形缺口能够节省加工材料，同时还能满足弹性件240的受力要求。
本发明还提供一种电子设备，电子设备包括外壳和如上文的振动器，振动器设于外壳。振动器设置在外壳内，外壳能够有效的保护振动器，避免减少灰尘落入到振动器，还能够减少水分渗入到振动器内，避免振动器失灵。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。
Claims (10)
- 一种振动器，其特征在于，所述振动器包括：壳体，所述壳体围设形成安装空间；定子组件，所述定子组件设于所述安装空间内，所述定子组件包括线圈和导磁件，所述导磁件设于所述线圈的轴向方向一侧；以及振子组件，所述振子组件至少有两固有频率，所述振子组件包括位于所述安装空间内的配重块、连接于所述配重块的永磁体和弹性件，所述配重块通过所述弹性件悬设于所述安装空间内，所述永磁体设有多个，多个所述永磁体围设于所述导磁件，并用于与所述导磁件磁性耦合，多个所述永磁体形成延伸方向交叉的两磁场方向。
- 如权利要求1所述的振动器，其特征在于，所述导磁件呈环形设置，所述定子组件还包括导磁柱，所述导磁柱穿设于所述线圈和环形的导磁件。
- 如权利要求2所述的振动器，其特征在于，所述振动器还包括电路板，所述电路板开设有定位孔，所述导磁柱设于所述定位孔，所述线圈连接于所述电路板。
- 如权利要求1所述的振动器，其特征在于，所述线圈设有两个，两所述线圈分设于所述导磁件的两侧，两所述线圈通电时，通电的电流反向。
- 如权利要求1所述的振动器，其特征在于，所述永磁体为条形结构，所述永磁体包括有多个，多个所述永磁体围设于所述导磁件的四周。
- 如权利要求5所述的振动器，其特征在于，所述永磁体设有四个，四个所述永磁体两两平行设置，所述永磁体围设形成四方形，相互平行的所述永磁体相对的一端磁极相反，所述永磁体形成延伸方向正交的两磁场方向。
- 如权利要求1至6中任一项所述的振动器，其特征在于，所述振子组件 还包括两华司，两所述华司沿所述线圈的轴向方向设置，两所述华司盖设于所述永磁体相对的两表面。
- 如权利要求1至6中任一项所述的振动器，其特征在于，所述弹性件包括连接于所述配重块的连接端和抵接于所述壳体的抵接端，所述连接端和所述抵接端之间设置若干弯折段，一所述弯折段连接于所述连接端，一所述弯折段连接于所述抵接端，若干所述弯折段之间依次首尾连接。
- 如权利要求8所述的振动器，其特征在于，所述弯折段还包括弯折本体和连接部，所述连接部设于所述弯折本体之间，所述连接部用于连接所述弯折本体，所述弯折本体的两侧边具有弧形缺口。
- 一种电子设备，其特征在于，所述电子设备包括外壳和如权利要求1至9中任一项所述的振动器，所述振动器设于所述外壳内。
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