XYZ three-direction vibration motor
阅读说明:本技术 Xyz三方向振动马达 (XYZ three-direction vibration motor ) 是由 不公告发明人 于 2019-11-08 设计创作,主要内容包括:本发明属于微型马达技术领域,具体公开了一种XYZ三方向振动马达,包括机壳、底座、振子组件和定子组件,机壳和底座组合形成容纳空间,振子组件包括XY方向振动块和Z方向振动块,定子组件包括线圈和柔性电路板;XY方向振动块和Z方向振动块分别通过弹性件固定并悬浮在容纳空间内,XY方向振动块中间设置的圆孔,圆孔包围在Z向振动块四周;XY方向振动块四角位置镶嵌有磁体,磁体正下方对应设有线圈,Z方向振动块设有导磁外壳,导磁外壳固定Z向驱动磁石,导磁外壳和Z向驱动磁石之间设有线圈;柔性电路板设置在底座上,柔性电路板上固定有第一线圈和第二线圈,本发明可以实现三维方向振动,防磁漏、防撞、振动响应快、振动效果佳。(The invention belongs to the technical field of micro motors, and particularly discloses an XYZ three-direction vibration motor which comprises a machine shell, a base, a vibrator assembly and a stator assembly, wherein the machine shell and the base are combined to form an accommodating space; the XY-direction vibrating block and the Z-direction vibrating block are fixed and suspended in the containing space through elastic parts respectively, and a circular hole is formed in the middle of the XY-direction vibrating block and surrounds the periphery of the Z-direction vibrating block; magnets are embedded at four corners of the XY-direction vibrating block, coils are correspondingly arranged right below the magnets, the Z-direction vibrating block is provided with a magnetic conduction shell, the Z-direction driving magnet is fixed on the magnetic conduction shell, and the coils are arranged between the magnetic conduction shell and the Z-direction driving magnet; the flexible circuit board is arranged on the base, and the first coil and the second coil are fixed on the flexible circuit board.)
An XYZ three-direction vibration motor comprises a machine shell, a base, a vibrator assembly and a stator assembly, wherein the machine shell and the base are combined to form an accommodating space;
the XY-direction vibrating block and the Z-direction vibrating block are fixed and suspended in the containing space through elastic parts respectively, and a circular hole is formed in the middle of the XY-direction vibrating block and surrounds the periphery of the Z-direction vibrating block;
magnets are embedded at four corners of the XY-direction vibrating block, coils are correspondingly arranged right below the magnets, a magnetic conduction shell is arranged at the bottom of the Z-direction vibrating block, a Z-direction driving magnet is fixed inside the magnetic conduction shell, and the coils are arranged between the magnetic conduction shell and the Z-direction driving magnet;
the flexible circuit board sets up on the base, and the coil is including fixing first coil and the second coil on the flexible circuit board, and first coil and second coil are connected with the flexible circuit board electricity.
2. The XYZ three-direction vibration motor of claim 1, wherein: the Z-direction vibrating block is provided with an air escape hole, the bottom of the Z-direction vibrating block is provided with a groove, and the groove is used for fixing the magnetic conduction shell.
3. The XYZ three-direction vibration motor of claim 2, wherein: and the upper end surface of the Z-direction vibrating block is provided with a groove which is used for storing the magnetic fluid.
4. The XYZ three-direction vibration motor of claim 1, wherein: and the end face of the Z-direction drive magnet is bonded with a magnetic leakage prevention sheet.
5. The XYZ three-direction vibration motor of claim 1, wherein: and an XY-direction magnetic isolation plate is fixed at the upper end of the XY-direction vibrating block, and the XY-direction magnetic isolation plate and the XY-direction vibrating block are shaped like a Chinese character tian.
6. The XYZ three-direction vibration motor of claim 1, wherein: and the upper end of the XY-direction vibrating block is fixedly provided with noise-reducing anti-collision foam which is annular.
7. The XYZ three-direction vibration motor of claim 1, wherein: the flexible circuit board is characterized in that a hollowed-out circular surface is arranged in the middle of the flexible circuit board, the flexible circuit board is of an inner ring and outer ring structure integrally, the hollowed-out circular surface in the middle of the flexible circuit board is an inner ring, and the inner ring and the outer ring of the flexible circuit board are provided with connecting structures.
8. The XYZ three direction vibration motor of claim 7, wherein: the flexible circuit board is provided with a signal source interface.
9. The XYZ three-direction vibration motor of claim 1, wherein: the upper part of the shell is provided with a square step, and an upward circular boss is arranged in the opposite direction of the square step.
10. The XYZ three-direction vibration motor of claim 1, wherein: the middle of the base is provided with a circular sinking platform, the circular sinking platform fixes the inner ring of the flexible circuit board, and the center of the circular sinking platform is provided with a noise reduction hole.
Technical Field
The invention belongs to the technical field of micro motors, and particularly relates to an XYZ three-direction vibration motor.
Background
With the rapid development of portable and intelligent electronic products, consumers prefer electronic products with the best tactile experience, such as smart phones, handheld game consoles, medical and health devices, multimedia entertainment devices, and the like, which generally use a vibration motor for system feedback, such as incoming call vibration alert of a mobile phone, vibration feedback of a game console, vibration of a medical and health vibrating toothbrush, and the like.
However, most of the vibration motors in the prior art vibrate in a single direction, that is, vibrate in one direction, and the vibration is single. Meanwhile, there is also a related art of a two-direction linear vibration motor that can perform vibration in two directions. However, the vibration experience of the multidimensional three-dimensional tactile feedback of the user can not be met because the vibration motors in the three directions, namely the XYZ directions, which can vibrate independently in the three directions, are few.
Disclosure of Invention
The invention aims to provide an XYZ three-direction vibration motor capable of simultaneously and independently vibrating in an X direction, a Y direction and a Z direction and a vibration motor capable of simultaneously vibrating in the XY direction, the XZ direction, the YZ direction or the XYZ direction so as to meet the vibration experience of multi-dimensional stereo tactile feedback of a user.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the XYZ three-direction vibration motor comprises a machine shell, a base, a vibrator assembly and a stator assembly, wherein the machine shell and the base are combined to form an accommodating space, the vibrator assembly comprises an XY-direction vibration block and a Z-direction vibration block, and the stator assembly comprises a coil and a flexible circuit board; the XY-direction vibrating block and the Z-direction vibrating block are fixed and suspended in the containing space through elastic parts respectively, and a circular hole is formed in the middle of the XY-direction vibrating block and surrounds the periphery of the Z-direction vibrating block; magnets are embedded at four corners of the XY-direction vibrating block, coils are correspondingly arranged right below the magnets, a magnetic conduction shell is arranged at the bottom of the Z-direction vibrating block, a Z-direction driving magnet is fixed inside the magnetic conduction shell, and the coils are arranged between the magnetic conduction shell and the Z-direction driving magnet; the flexible circuit board sets up on the base, and the coil is including fixing first coil and the second coil on the flexible circuit board, and first coil and second coil are connected with the flexible circuit board electricity.
Furthermore, the Z-direction vibrating block is provided with an air escape hole, the bottom of the Z-direction vibrating block is provided with a groove, and the groove is used for fixing the magnetic conduction shell.
Furthermore, a groove is formed in the upper end face of the Z-direction vibrating block and used for storing the magnetic fluid.
Furthermore, the end face of the Z-direction drive magnet is bonded with a magnetic leakage prevention sheet.
Further, an XY-direction magnetic isolation plate is fixed at the upper end of the XY-direction vibrating block, and the XY-direction magnetic isolation plate and the XY-direction vibrating block are shaped like a Chinese character tian.
Furthermore, noise reduction anti-collision foam is fixed at the upper end of the XY direction vibration block and is annular.
Further, the middle of the flexible circuit board is provided with a hollowed circular surface, the flexible circuit board is of an inner ring and outer ring structure integrally, the hollowed circular surface in the middle of the flexible circuit board is an inner ring, and the inner ring and the outer ring of the flexible circuit board are provided with connecting structures in an arrangement mode.
Further, the flexible circuit board is provided with a signal source interface.
Furthermore, the upper part of the shell is provided with a square step, and an upward circular boss is arranged in the opposite direction of the square step.
Furthermore, a circular sinking platform is arranged in the middle of the base and used for fixing the inner ring of the flexible circuit board, and a noise reduction hole is formed in the center of the circular sinking platform.
The technical effects of the XYZ three-direction vibration motor provided by the invention are as follows:
1. the XYZ three-direction vibration motor provided by the invention can simultaneously and independently vibrate in the X direction, the Y direction and the Z direction and can simultaneously vibrate in the XY direction, the XZ direction, the YZ direction or the XYZ direction, and the three-direction vibration motor can meet the vibration feedback in a three-dimensional space, greatly improve the vibration feedback effect and meet the vibration experience of multi-dimensional three-dimensional tactile feedback of a user.
2. The invention innovatively designs the S-shaped spring which can meet the vibration requirement in the XY direction.
3. The invention designs an XY direction vibrating block, the vibrating block is in a shape of a Chinese character tian, a bipolar magnet is embedded in the vibrating block, and the middle part avoids Z direction vibration; and an effective vibration space is provided for Z-direction vibration while the XY-direction vibration is satisfied.
4. The invention designs the bipolar magnet, the bipolar magnet greatly increases the driving force, and the vibration quantity required by X, Y-direction vibration is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded view of each part of an XYZ vibrator.
Fig. 2 is a schematic view of a housing.
FIG. 3 is a schematic view of a first spring in the Z-direction.
FIG. 4-1 is a schematic view of a vibrating mass in the Z direction.
Fig. 4-2 is a schematic view of a Z-direction vibrating mass.
FIG. 5 is a schematic view showing the positions of the vibrating mass, the magnet, the magnetic conductive casing and the magnetic leakage preventing sheet in the Z direction.
FIG. 6 is a second spring schematic in the Z direction.
FIG. 7 is a schematic view of an XY vibrator mass.
FIG. 8 is a schematic view showing the positions of an S-shaped spring, an XY vibrator vibrating mass, a multi-stage magnet, and a noise reduction foam.
Fig. 9 is a schematic view of an S-shaped spring.
Fig. 10 is a schematic diagram of a flexible circuit board and XY-direction winding groups.
Figure 11 is a schematic view of the base.
Fig. 12 is an external view of the XYZ three-direction vibration motor.
Reference numerals: 1-a machine shell, a 2-Z direction first spring, a 3-Z direction vibrating block, a 4-magnetic conduction shell, a 5-Z direction driving magnet, a 6-Z direction magnetic leakage prevention sheet, a 7-Z direction driving winding group, an 8-Z direction second spring, a 9-noise reduction anti-collision foam, a 10-XY direction magnetic leakage prevention sheet, an 11-XY direction vibrating block, a 12-bipolar magnet, a 13-S type spring, a 14-XY direction winding group, a 15-flexible circuit board, a 16-base, a 101-signal source groove, a 102-machine shell inner side wall, a 103-circular boss, a 104-square step, a 201-a first spring outer ring, a 202-a first spring inner ring, a 203-a first spring wire, 301 a-301 c air escape holes and a 302-Z direction vibrating block groove, 303-Z direction vibrating block lower end face, 304-Z direction vibrating block upper end face, 305-Z direction vibrating block magnetic fluid groove, 801-second spring outer ring, 802-second spring inner ring, 803 a-803 c-second spring wire, 1101 a-1101 d-rectangular hole, 1102 a-1102 d-rectangular groove, 1103-round hole, 1104-annular step, 12 a-12 d-bipolar magnet, 13 a-13 d-S type spring, 14 a-14 d-XY winding group, 1301-first section straight edge, 1302-second section arc edge, 1303-third section arc edge, 1304-fourth section straight edge, 1305-fifth section straight edge, 1501-signal source interface, 1502-circular structure, 1504-noise reduction hole, 1503-connection structure, 1601-base upper end face, 1602-circular sinking platform end face, 1603-noise reduction hole and 1604-circular sinking platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is to be understood that the directions or positional relationships indicated by the X direction, the Y direction, the Z direction, etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships which are conventionally placed when the products of the present invention are used, or the directions or positional relationships which are conventionally understood by those skilled in the art, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 12, the XYZ-direction vibration motor includes a
As shown in fig. 1, the XYZ-three-direction linear vibration motor includes two vibrating masses, an XY-
The Z-
As shown in fig. 3 to 6, the first spring and the second spring are arranged in opposite directions, the
The XY-
As shown in fig. 9, the S-shaped
As shown in fig. 7, multipolar magnets are fitted to four corners of the XY-directional vibrating
The multi-pole magnets are distributed at the corners of the vibrating mass in the XY direction and correspond to XY winding groups on the FPCB, the vibrating mass is driven to generate linear vibration in the X direction or the Y direction under the electrifying effect of the XY winding groups, and the XY direction is covered with a magnetic leakage prevention plate on the upper part of the vibrating mass to adjust a magnetic circuit and prevent magnetic leakage.
The multi-stage magnet is a
An XY-direction
The upper end of the XY
As shown in fig. 4, the Z-
As shown in fig. 5, the
The vibrating block in the Z direction is in a T-shaped structure. The circular face of the upper part of the vibrating mass is provided with a circular sinking groove, and the groove is used for containing magnetic fluid and plays a role in damping and noise reduction when colliding with the shell. And a circular ring shallow groove is formed in the circular edge of the upper part of the balance block and used for placing and fixing the inner ring of the first spring in the Z direction. The Z-direction vibrating block is provided with a ladder-shaped table board downwards, the ladder-shaped table board is used for placing and fixing the Z-direction second spring inner ring, so that the Z-direction first spring, the Z-direction second spring and the vibrating block are connected into a whole and support the Z-direction second spring and the vibrating block. The lower part of the vibrating block is provided with an inwards concave cylindrical inner cavity for placing and fixing the cylindrical magnetic conduction shell. The magnetic conduction shell is internally provided with a Z-direction driving magnet. The end face of the Z-direction driving magnet is provided with a magnetic leakage prevention sheet.
As shown in fig. 10, a hollowed circular surface is arranged in the middle of the
The inner ring of the
The FPCB circuit board welding has the winding group towards two poles of earth magnetite, and the winding group is totally four groups, provides vibration drive power for the X, Y direction. The Z-direction winding group is welded on a hollowed circular surface in the middle of the FPCB plate and is connected with the circular surface through a single-piece design structure, the circular surface part welded with the Z-direction winding group is attached and fixed to a sinking circular sinking
As shown in fig. 12, the overall configuration of the XYZ three-directional vibration motor is a circular sinking platform structure, which provides an effective space for the Z-directional vibrating mass to vibrate downwards, and the FPCB plate with the Z-directional coil is conveniently welded to the hollowed circular surface and the circular sinking platform to be attached to each other. The periphery of the upper end of the circular sinking platform of the vibrator base is used for connecting and fixing the Z-direction second spring outer ring, so that the vibrating block in the Z direction is supported and kept vertical, and necessary conditions are created for elastic recovery of the spring in the Z direction. The circular heavy platform center design of base has the hole of making an uproar of falling, and its effect reduces the air resistance and to the interference of Z direction vibration subassembly when the vibration.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, the above embodiments are only for assisting understanding of the method of the present invention and the core idea thereof, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
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