CN109819383B - Double-shaft three-dimensional vibration sense touch feedback exciter - Google Patents
Double-shaft three-dimensional vibration sense touch feedback exciter Download PDFInfo
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- CN109819383B CN109819383B CN201910090838.7A CN201910090838A CN109819383B CN 109819383 B CN109819383 B CN 109819383B CN 201910090838 A CN201910090838 A CN 201910090838A CN 109819383 B CN109819383 B CN 109819383B
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Abstract
The invention relates to the technical field of exciters, in particular to a double-shaft three-dimensional vibration-sensing tactile feedback exciter, which comprises a shell and a vibrating body, wherein a voice coil which generates a magnetic field after being electrified is fixed in the shell at the vibrating body, the vibrating body and the magnetic field of the voice coil generate electromagnetic induction to generate vibration along the left and right directions of the shell, elastic sheets which keep the vibrating body to move are arranged at the left and right ends of the vibrating body in the shell, each elastic sheet is of a three-claw structure with three connecting claws, the included angle between the three connecting claws of the elastic sheet is 120 degrees, one connecting claw of the elastic sheets is connected with the end part of the vibrating body, the other two connecting claws are respectively correspondingly connected with the upper inner wall and the lower inner wall of the shell, the gravity center of the vibrating body in the left and right directions of the shell is deviated to the left side or the right, has three-dimensional vibration sense and better use effect.
Description
Technical Field
The invention relates to the technical field of exciters, in particular to a double-shaft three-dimensional vibration sense tactile feedback exciter.
Background
Based on the fact that the touch feedback technology on the market is in the wide application stage, the touch feedback exciters are applied to mobile phones, flat panels, navigation display screens and the like, but the touch feedback exciters are generally applied to the mobile phones, the flat panels, the navigation display screens and the like by using a single X-axis or Z-axis vibration driver, the vibration mode is single, and the touch sense is single when people use the touch feedback exciters. The use effect is poor, and how to obtain more abundant three-dimensional vibration sense in use is a problem to be solved urgently at present.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a biaxial three-dimensional vibration sense tactile feedback exciter aiming at the defects, which has three-dimensional vibration sense and better using effect.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a double-shaft three-dimensional vibration sense tactile feedback exciter comprises a shell and a vibration body in the shell, wherein a voice coil which generates a magnetic field after being electrified is fixed in the shell at the vibration body, the vibration body and the magnetic field of the voice coil generate electromagnetic induction to generate vibration along the left and right directions of the shell, the shell is internally provided with spring plates for keeping the vibration body movable at the left end and the right end of the vibration body, each spring plate is of a three-claw structure with three connecting claws, the included angle between the three connecting claws of each spring plate is 120 degrees, one connecting claw of each spring plate is connected with the end part of the vibration body, the other two connecting claws are respectively connected with the upper inner wall and the lower inner wall of the shell correspondingly, the gravity center of the vibrating body in the left-right direction of the shell is deviated to the left side or the right side, and the gravity center offset causes the vibrating body to generate offset in left-right vibration to induce vibration in the up-down direction, so that the vibrating body has three-dimensional vibration in the left-right direction and the up-down direction.
Furthermore, the three connecting claws of the elastic sheet are of zigzag structures, the included angle between the central lines of the connecting claws is 120 degrees, and the direction of the connecting claw connected with the vibrating body is parallel to the vibrating body.
Further, the voice coil includes a first voice coil, a second voice coil and a third voice coil which are sequentially arranged in the casing, the vibration body includes a first vibration unit which generates electromagnetic induction with the first voice coil, a second vibration unit which generates electromagnetic induction with the second voice coil and a third vibration unit which generates electromagnetic induction with the third voice coil, the first vibration unit and the third vibration unit are bilaterally symmetrical about the center of the second vibration unit, the masses of the first vibration unit and the second vibration unit are consistent, the second vibration unit includes a center block, two third magnetic steels and two fourth magnetic steels which are opposite in magnetizing direction and consistent in mass are embedded on the center block, the third magnetic steels and the fourth magnetic steels are bilaterally symmetrical about the center of the center block, and a balancing weight which enables the center block to be offset to the left side or the right side in the direction of the center block in the casing is arranged on the center block.
Furthermore, the first voice coil is sleeved outside the first vibration unit, the third voice coil is sleeved outside the third vibration unit, the second voice coil is arranged at the bottom of the central block, and the first voice coil and the third voice coil are bilaterally symmetrical about the center of the second voice coil.
Furthermore, the first vibration unit comprises a first pole piece, a first magnetic steel and a second magnetic steel which are symmetrically connected to the left side and the right side of the first pole piece, the magnetizing directions of the first magnetic steel and the second magnetic steel are opposite, the masses of the first magnetic steel and the second magnetic steel are consistent, the first pole piece, the first magnetic steel and the second magnetic steel are not in contact with the first voice coil, the third vibration unit comprises a second pole piece, a fifth magnetic steel and a sixth magnetic steel which are symmetrically connected to the left side and the right side of the second pole piece, the magnetizing directions of the fifth magnetic steel and the sixth magnetic steel are opposite, the masses of the fifth magnetic steel and the sixth magnetic steel are consistent, the second pole piece, the fifth magnetic steel and the sixth magnetic steel are not in contact with the third voice coil, and the second magnetic steel and the fifth magnetic steel are correspondingly.
Furthermore, the second voice coil is arranged in the middle of the shell, and the first voice coil and the third voice coil are distributed in bilateral symmetry around the second voice coil.
Furthermore, the casing include the apron of shell, shell bottom, the apron internal face is equipped with the circuit board, the voice coil loudspeaker voice coil is connected with the circuit board.
Furthermore, the two elastic sheets are symmetrically distributed in the left and right direction relative to the center of the shell.
Furthermore, the first voice coil, the second voice coil and the third voice coil are bonded with the inner wall surface of the shell.
Furthermore, the second magnetic steel and the fifth magnetic steel are respectively bonded with the left end face and the right end face of the central block, the first magnetic steel and the second magnetic steel are bonded with the first pole piece, and the fifth magnetic steel and the sixth magnetic steel are bonded with the second pole piece.
The invention has the beneficial effects that: by adopting the scheme, the method has the advantages that,
1. the combination of the three groups of magnetic steel circuits increases the X-axis driving force of the vibrating body, and meanwhile, a center block with offset gravity forms an offset working magnetic circuit to form Z-axis offset vibration, so that the exciter has better three-dimensional vibration of the X axis and the Z axis;
2. the three-jaw elastic sheet with 120 degrees is adopted to provide elastic support, so that the driving force is decomposed, the vibration is biased, and meanwhile, X-axis and Z-axis vibration tracks are provided, so that the elasticity is stronger during working, and the vibration sense of the exciter has three-dimensional sense;
3. the balancing weight makes the center block gravity center offset, makes it appear eccentrically in the vibration process, and the cooperation vibrates the power that the shell fragment formed Z axle vibration, and simple structure, ingenious obtains three-dimensional vibration sensation, and is with low costs, the production of being convenient for.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic illustration of an explosive structure according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional structure of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a center block according to an embodiment of the present invention.
Wherein: the voice coil comprises a shell 1, a cover plate 2, a circuit board 3, a first voice coil 4, a second voice coil 5, a third voice coil 6, a central block 7, a balancing weight 71, a third magnetic steel 8, a fourth magnetic steel 9, a first pole piece 10, a first magnetic steel 11, a second magnetic steel 12, a second pole piece 13, a fifth magnetic steel 14, a sixth magnetic steel 15 and a spring piece 16.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, a biaxial three-dimensional vibration sense tactile feedback exciter comprises a shell and a vibration body in the shell, wherein the shell comprises a shell 1 and a cover plate 2 at the bottom of the shell 1, the cover plate 2 is arranged at an opening at the bottom of the shell 1, the opening at the bottom end of the shell 1 is positioned on the cover plate 2 and is fixed by laser welding after being connected through a tenon-and-mortise structure to form a closed cavity, a circuit board 3 is arranged on the inner wall surface of the cover plate 2, the circuit board 3 is made of FPC (flexible printed circuit), the cover plate is light, flexible and convenient to set, the length direction of the shell 1 is an X-axis direction, a left-right direction, a width direction is a Y-axis direction, a front-back direction and a height direction is a Z-axis, a first voice coil 4, a second voice coil 5 and a third voice coil 6 which generate a magnetic field after being electrified are arranged in the shell 1, the second voice coil 5, and the second voice coil 5 is connected with the circuit board 3 in a corresponding spot welding manner, so that the circuit board 3 supplies power to the second voice coil 5, the first voice coil 4 and the third voice coil 6 are arranged at two sides of the second voice coil 5 in a bilateral symmetry manner, the upper end surfaces of the first voice coil 4 and the third voice coil 6 are bonded with the inner wall surface of the upper end of the shell 1, the lower end surfaces of the first voice coil 4 and the third voice coil 6 are bonded with the inner wall surface of the corresponding part of the cover plate 2, similarly, the first voice coil 4 and the third voice coil 6 are connected with the circuit board 3 in a spot welding manner, so that the circuit board 3 supplies power to the first voice coil 4 and the third voice coil 6 to generate a magnetic field, a first vibration unit which generates electromagnetic induction with the first voice coil is arranged at the first voice coil 4, a second vibration unit which generates electromagnetic induction with the second voice coil is arranged at the second voice coil 5, and a third vibration unit which generates electromagnetic induction with the third voice coil is arranged at the third, The second vibration unit and the third vibration unit form a vibration body of the exciter, the vibration body is parallel to the X-axis, the first vibration unit and the third vibration unit are symmetrical left and right about the center of the second vibration unit, and the masses of the first vibration unit and the second vibration unit are consistent.
The shell 1 is internally provided with spring plates 16 for keeping the vibration body to move correspondingly to the left end and the right end of the vibration body, the spring plates 16 are of a three-claw structure with three connecting claws, the three connecting claws of the spring plates 16 are of zigzag structures, the included angles between the center lines of the three connecting claws are 120 degrees, one connecting claw of the spring plate 16 is parallel to the X axial direction and is adhered to the end part of the vibration body, the connecting claws are supporting claws, the other two connecting claws are distributed up and down along the Z axial direction, the two connecting claws are respectively welded with the corresponding parts of the inner wall of the upper side of the shell 1 and the inner wall of the cover plate 2, the two connecting claws are fixed claws, the fixed claws are welded with the shell 1 and the cover plate 2 to keep better connecting strength, the stable floating supporting function with the vibration body is ensured, the spring plates are not easy to fall off in vibration, the service life is prolonged, and the three-claw structure distributed at 120, the fixing claws ensure the connection reliability, and ensure that the connecting claws and the vibrating body have better X-axial flexibility.
The second vibration unit comprises a center block 7, two third magnetic steels 8 and four fourth magnetic steels 9 which are embedded on the center block 7, the magnetizing directions of the third magnetic steels 8 and the fourth magnetic steels 9 are opposite, the masses of the third magnetic steels 8 and the fourth magnetic steels 9 are consistent, the third magnetic steels 8 and the fourth magnetic steels 9 are arranged symmetrically left and right relative to the center of the center block 7, a balancing weight 71 which enables the center of the center block 7 to be offset to one side in the X-axis direction is arranged on the center block 7, the gravity centers of the center block 7 in the Y-axis direction and the Z-axis direction are still located at the center of the center block 7, two embedded cavities are arranged on the center block 7, the two embedded cavities are symmetrical left and right relative to the center of the center block 7, the third magnetic steels 8 and the fourth magnetic steels 9 are respectively bonded in the two embedded cavities, a second voice coil 5 is located at the bottom of the center block 7, a sufficient setting space is reserved for, The first magnetic steel 11 and the second magnetic steel 12 are symmetrically bonded to the left side and the right side of the first pole piece 10, the magnetizing directions of the first magnetic steel 11 and the second magnetic steel 12 are opposite, the masses of the first magnetic steel 11 and the second magnetic steel 12 are consistent, the first voice coil 4 is sleeved outside the first pole piece 10, the first magnetic steel 11 and the second magnetic steel 12, the first pole piece 10, the first magnetic steel 11 and the second magnetic steel 12 are not in contact with the first voice coil 4, the end portion of the first magnetic steel 11 is connected with a connecting claw of the elastic piece 16, the end surface of the second magnetic steel 12 close to the central block 7 is bonded with the end surface of the central block, the third vibration unit comprises a second pole piece 13, fifth magnetic steel 14 and a sixth magnetic steel 15 which are symmetrically bonded to the left side and the right side of the second pole piece 13, the magnetizing directions of the fifth magnetic steel 14 and the sixth magnetic steel 15 are opposite, the masses of the fifth magnetic steel 14 and the sixth magnetic steel 15 are consistent, the third voice coil 6 is sleeved, The fifth magnetic steel 14 and the sixth magnetic steel 15 are not in contact with each other, the outer end of the sixth magnetic steel 15 is bonded with the connecting claw of the elastic sheet corresponding to the side, and the end face, close to the central block 7, of the fifth magnetic steel 14 is bonded with the end face of the central block 7.
The first magnetic steel 11, the first pole piece 10 and the second magnetic steel 12 are bonded to form a first magnetic circuit, the first magnetic circuit penetrates through the first voice coil, the magnetizing directions of the first magnetic steel 11 and the second magnetic steel 12 are opposite, the fifth magnetic steel 14, the sixth magnetic steel 15 and the second pole piece 13 are bonded to form a second magnetic circuit, the second magnetic circuit penetrates through the third voice coil, the magnetizing directions of the fifth magnetic steel 14 and the sixth magnetic steel 15 are opposite, the third magnetic steel 8 and the fourth magnetic steel 9 are bonded to form a third magnetic circuit, the magnetizing directions of the third magnetic steel 8 and the fourth magnetic steel 9 are opposite, the circuit board 3 is used for supplying power to the first voice coil 4, the third voice coil 6 and the third voice coil 6, when an electric signal is connected with an exciter, the first voice coil 4, the second voice coil 5 and the third voice coil 6 simultaneously generate a magnetic field, the energized first voice coil 4 and the first magnetic steel 11 of the permanent magnet with the two opposite polarities are connected, the second magnetic line 12 generates electromagnetic induction, and the first voice coil 4 is cut, because the first voice coil 4 is fixed, the permanent magnet moves, the first vibration unit drives the vibration body to vibrate left and right, the electrified third voice coil 6, the two permanent magnets with opposite polarities, the fifth magnetic steel 14 and the sixth magnetic steel 15 generate electromagnetic induction, the third voice coil 6 cuts magnetic lines of force, because the third voice coil 6 is fixed and the permanent magnet moves, the third vibration unit drives the vibration body to vibrate left and right, the vibration directions of the first vibration unit and the second vibration unit are the same, the driving force is increased, the left and right vibration amplitude and the vibration effect of the vibration body are improved, meanwhile, the electrified third voice coil 6, the two permanent magnets with opposite polarities, the third magnetic steel 8 and the fourth magnetic steel 9 generate electromagnetic induction, the third voice coil 6 cuts the magnetic lines of force, because the third voice coil 6 is fixed, the third magnetic steel 8 and the fourth magnetic steel 9 drive the central block 7 to move left and right, the driving force is increased again, and the vibration effect of the vibration body in, the combination of three groups of magnetic steel magnets makes the vibrator have better vibration effect in the X-axis direction, because the balancing weight 71 makes the center block 7 have gravity center offset in the X-axis direction, under the decomposition action of force, the vibration is generated in the vibration, the center block can generate vibration of the Z-axis while vibrating in the X-axis direction, on the basis of the combination of two groups of magnetic steel magnetic paths, a group of offset working magnetic paths are added in the exciter, the driving force of the vibrator is increased, because of the offset of the gravity, the vibration is generated in an offset manner, the vibration direction of the vibrator can be generated in the X-axis direction and the Z-axis direction at the same time, the exciter has three-dimensional vibration sense of the X-axis and the Z-axis, the using effect is greatly improved, a 120-degree three-claw-shaped elastic sheet structure promotes the resolution of the driving force, promotes the offset action of the vibration, and further promotes the three-dimensional vibration: the x-axis acceleration g is more than or equal to 15m/s2@100g of load, the Z-axis acceleration g is more than or equal to 8m/s2@100g of load, and the three-dimensional vibration sense is good.
The exciter can be applied to the touch feedback of panels of household appliances such as vehicle-mounted navigation screens, mobile phones, air conditioners, refrigerators and the like, so that the single vibration sense is distinguished, the experience of people can be enriched, the people experience the three-dimensional vibration sense, the driving of triple driving force is realized, and the vibration sense is stronger.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (10)
1. A double-shaft three-dimensional vibration sense tactile feedback exciter comprises a shell and a vibration body in the shell, and is characterized in that a voice coil which generates a magnetic field after being electrified is fixed at the position of the vibration body in the shell, the vibration body and the magnetic field of the voice coil generate electromagnetic induction to generate vibration along the left and right directions of the shell, elastic sheets which keep the vibration body to move are arranged at the left and right ends of the vibration body in the shell, each elastic sheet is of a three-claw structure with three connecting claws, the included angle between the three connecting claws of each elastic sheet is 120 degrees, one connecting claw of each elastic sheet is connected with the end part of the vibration body, the other two connecting claws are correspondingly connected with the upper inner wall and the lower inner wall of the shell, the gravity center of the vibration body in the left and right directions of the shell is deviated to the left or right side, the gravity, And (4) vertical vibration.
2. A dual-axis vibrotactile haptic feedback actuator according to claim 1, wherein: the three connecting claws of the elastic sheet are of zigzag structures, the included angle between the central lines of the connecting claws is 120 degrees, and the direction of the connecting claw connected with the vibrating body is parallel to the vibrating body.
3. A dual-axis vibrotactile haptic feedback actuator according to claim 1, wherein: the voice coil loudspeaker voice coil include set gradually first voice coil loudspeaker voice coil, second voice coil loudspeaker voice coil, third voice coil in the casing, the pendulum include take place the first vibration unit of electromagnetic induction with first voice coil loudspeaker voice coil, take place the second vibration unit of electromagnetic induction with the second voice coil loudspeaker voice coil, take place the third vibration unit of electromagnetic induction with the third voice coil, first vibration unit, third vibration unit is bilateral symmetry about the center of second vibration unit, the quality of first vibration unit, second vibration unit is unanimous, second vibration unit includes the center block, inlay on the center block and establish two third magnet steel, fourth magnet steel that magnetize opposite direction, the quality is unanimous, third magnet steel, fourth magnet steel set up about the center of center block, be equipped with the balancing weight that makes the center block to left side or right side offset in the direction of the centre of gravity of casing left and right sides on the center block.
4. A dual-axis vibrotactile haptic feedback actuator according to claim 3, wherein: the first voice coil is sleeved outside the first vibration unit, the third voice coil is sleeved outside the third vibration unit, the second voice coil is arranged at the bottom of the center block, and the first voice coil and the third voice coil are bilaterally symmetrical about the center of the second voice coil.
5. The biaxial vibrotactile feedback actuator according to any one of claims 3 and 4, wherein: the first vibration unit comprises a first pole piece, first magnetic steel and second magnetic steel which are symmetrically connected to the left side and the right side of the first pole piece, magnetizing directions of the first magnetic steel and the second magnetic steel are opposite, qualities of the first magnetic steel and the second magnetic steel are consistent, the first pole piece, the first magnetic steel and the second magnetic steel are not in contact with the first voice coil, the third vibration unit comprises a second pole piece, fifth magnetic steel and sixth magnetic steel which are symmetrically connected to the left side and the right side of the second pole piece, magnetizing directions of the fifth magnetic steel and the sixth magnetic steel are opposite, qualities of the fifth magnetic steel and the sixth magnetic steel are consistent, the second pole piece, the fifth magnetic steel, the sixth magnetic steel and the third voice coil are not in contact, and the second magnetic steel and the fifth magnetic steel are correspondingly connected with left and right end.
6. A dual-axis vibrotactile haptic feedback actuator according to claim 3, wherein: the second voice coil is located in the middle of the shell, and the first voice coil and the third voice coil are distributed in a bilateral symmetry mode around the second voice coil.
7. A dual-axis vibrotactile haptic feedback actuator according to claim 1, wherein: the casing include the apron of shell, shell bottom, the apron internal face is equipped with the circuit board, the voice coil loudspeaker voice coil is connected with the circuit board.
8. A dual-axis vibrotactile haptic feedback actuator according to claim 1, wherein: the two elastic sheets are distributed in bilateral symmetry about the center of the shell.
9. A dual-axis vibrotactile haptic feedback actuator according to claim 5, wherein: and the first voice coil, the second voice coil and the third voice coil are bonded with the inner wall surface of the shell.
10. A dual-axis vibrotactile haptic feedback actuator according to claim 5, wherein: the second magnetic steel and the fifth magnetic steel are respectively bonded with the left end face and the right end face of the central block, the first magnetic steel and the second magnetic steel are bonded with the first pole piece, and the fifth magnetic steel and the sixth magnetic steel are bonded with the second pole piece.
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| CN111182105B (en) * | 2019-12-31 | 2020-08-28 | 汉得利（常州）电子股份有限公司 | High-sensitivity high-power broadband magnetoelectric exciter suitable for comprehensive screen sound production |
| CN111190490B (en) * | 2019-12-31 | 2020-08-11 | 汉得利（常州）电子股份有限公司 | Low-cost electromagnetic induction type tactile feedback system |
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| CN2429961Y (en) * | 2000-06-07 | 2001-05-09 | 陈嘉茜 | Declined device for vibration motor |
| CN101478219A (en) * | 2008-11-24 | 2009-07-08 | 浙江陆发微电机有限公司 | Micro electromagnetic vibrator |
| CN108736682A (en) * | 2018-05-25 | 2018-11-02 | 信利光电股份有限公司 | A kind of linear vibration motor |
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| JPS54159782A (en) * | 1978-06-07 | 1979-12-17 | Toshiba Corp | Vibration device |
| JPH06201722A (en) * | 1993-01-08 | 1994-07-22 | Fujikura Ltd | Piezoelectric type vibration sensor |
| CN1614977A (en) * | 2003-11-06 | 2005-05-11 | 明基电通股份有限公司 | Oscillator and related apparatus for generating differential directional oscillation |
| JPWO2008146678A1 (en) * | 2007-05-23 | 2010-08-19 | 日本電気株式会社 | Piezoelectric actuator and electronic device |
| CN203292050U (en) * | 2013-05-22 | 2013-11-20 | 向友刚 | Two-way vibrator |
| US9850084B2 (en) * | 2015-10-21 | 2017-12-26 | Kodak Alaris Inc. | Detection of process abnormalities in a media processing system |
| CN106300869B (en) * | 2016-08-31 | 2019-05-14 | 浙江省东阳市东磁诚基电子有限公司 | A kind of linear motor being provided simultaneously with X-axis and Z axis vibration feedback |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429961Y (en) * | 2000-06-07 | 2001-05-09 | 陈嘉茜 | Declined device for vibration motor |
| CN101478219A (en) * | 2008-11-24 | 2009-07-08 | 浙江陆发微电机有限公司 | Micro electromagnetic vibrator |
| CN108736682A (en) * | 2018-05-25 | 2018-11-02 | 信利光电股份有限公司 | A kind of linear vibration motor |
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