CN105449972A - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
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- CN105449972A CN105449972A CN201511033221.XA CN201511033221A CN105449972A CN 105449972 A CN105449972 A CN 105449972A CN 201511033221 A CN201511033221 A CN 201511033221A CN 105449972 A CN105449972 A CN 105449972A
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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
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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
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a linear vibration motor. The linear vibration motor comprises a base, a shell, a stator assembly and a vibration assembly, wherein the shell is fixed on the base, the shell and the base form an installation space, the stator assembly and the vibration assembly are oppositely arranged in the installation space along a first direction, the stator assembly is provided with a coil and a circuit board, the vibration assembly comprises a mass block and a magnet, the magnet is arranged on the mass block and is near to the stator assembly, the vibration assembly is suspended on an elastic assembly in the installation space for supporting a support of the stator assembly, so that the coil and the magnet are horizontally opposite to each other, an electromagnetic force is generated to drive the mass block to do linear motion along a second direction, and the first direction and the second direction are crossed and are on the horizontal plane. The coil, the circuit board and the mass block are arranged in a separated way, the coil vibration cannot be generated by the vibration of the mass block, thus, the electromagnetic force generated by the coil and the magnet is stable, and the vibration stability of the mass block is improved; and no other parts are arranged on and under the mass block, the thickness of the motor can be the thickness of the mass block, and thus, the thickness of the motor is reduced.
Description
Technical field
The present invention relates to the technical field of motor, be specifically related to a kind of linear vibration electric motor.
Background technology
Along with the continuous use of portable electronic product, the requirement of people to electronic product is more and more higher, make electronic product towards more frivolous future development, especially propose higher requirement to the thickness of the vibrating motor in electronic product, while requiring vibrating motor thickness thinner, vibration performance is more stable.
Chinese patent literature CN20250856U discloses a kind of horizontal linear vibration motor, comprises shell, is arranged on the upper cover in cover top portion, forms installing space between shell and upper cover; In installing space vertically on set gradually vibration component and stator module.Wherein, mass in vibration component is arranged in the horizontal direction, and shell fragment is arranged on the two ends of mass, and magnet is arranged in the through hole of mass, relative with magnet on the top that coil in stator module is arranged on mass, the wiring board be connected with coil is arranged on shell; Under magnetic force, mass vibrates along horizontal direction.
Above-mentioned linear vibration electric motor, because coil is arranged on mass top, in mass vibration processes, moving winding, wiring board is inevitably with to vibrate, thus the electromagnetic force making coil produce mass is uneven, mass vibration is unstable, and wiring board easily damages, and causes the defect that the useful life of motor is short.
In addition, coil is arranged on the top of mass, make the thickness of motor must be more than or equal to the thickness sum of mass and coil, cause the defect that motor in the vertical direction thickness is thick, in order to reduce the thickness of motor, even if when coil and mass are arranged in the horizontal direction, because magnet is arranged in the through hole of mass, be difficult to be oppositely arranged with coil, produce the electromagnetic force driving mass to do linear oscillator in the horizontal direction.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the short and defect that thickness is thick in useful life of prior art linear vibration motor, thus provides a kind of and can improve useful life and the thin linear vibration electric motor of thickness.
For this reason, the invention provides a kind of linear vibration electric motor, comprise
Substrate, is arranged in the horizontal direction;
Shell, fixes on the substrate, forms installing space with described substrate;
Stator module, is positioned at described installing space, has coil and wiring board;
Vibration component, is positioned at described installing space, is oppositely arranged along first direction with described stator module, comprises mass and is arranged on the magnet on described mass near described stator module;
Elastic parts, installs on the substrate, and is positioned at described installing space, for being suspended on by vibration component in described installing space;
Support, is arranged on the substrate, for supporting described stator module, to make described coil relative with described magnet level;
When coil electricity, described mass can do linear movement along second direction under the effect of electromagnetic force;
Described first direction is crossing with described second direction to be also all on horizontal plane.
Above-mentioned linear vibration electric motor, described first direction is vertical with described second direction.
Above-mentioned linear vibration electric motor, described mass is offered the first groove, and described first groove is end face, bottom surface and three open recesses uncovered near the side of described coil side, and described magnet is arranged in described first groove.
Above-mentioned linear vibration electric motor,
Described elastic parts forms first space, and the opening be communicated with described first space;
Described mass be provided with magnet part be positioned at described first space and fix with described elastic parts;
The described mass part of not installing magnet to be stretched out and in space between described opening and described outer casing inner wall from described opening.
Above-mentioned linear vibration electric motor, described elastic parts comprises
Fixed head, fixes on the substrate;
Shell fragment is two, and two shell fragments surround described first space, and one end of two shell fragments is all connected on fixed head, and the other end of two shell fragments is oppositely arranged, and forms described opening.
Above-mentioned linear vibration electric motor,
Described mass comprises Part I, Part II and connects the neck of described Part I and Part II;
Two mounting grooves being positioned at described neck both sides are formed between described Part I and described Part II;
Described Part I installs described magnet, and is positioned at described first space, described neck passes from described opening, in the space of described Part II between described opening and described outer casing inner wall;
Two ends of two described shell fragments are inserted in described mounting groove respectively, state Part I and be fixed on described Part I from outer peripheral residence.
Above-mentioned linear vibration electric motor, the notch place of described mounting groove is circular arc.
Above-mentioned linear vibration electric motor,
Described shell fragment comprise connect successively connecting plate, the first circular sliding slopes portion, arc plate, the second circular sliding slopes portion and baffle plate, described connecting plate is connected with described fixed head;
Described second circular sliding slopes portion is bending in the first space, to make described baffle plate one side surface face described stator module, and, form described opening between two described baffle plates on two described shell fragments;
Described mass is fixed on the inwall of described baffle plate, and coordinates with the inwall in described second circular sliding slopes portion and install.
Above-mentioned linear vibration electric motor, described first circular sliding slopes portion is towards the first space outside sweep;
Described arc plate is towards the first tilted setting in space; Rear minimizing is first increased to baffle plate from the first circular sliding slopes portion again to arc plate to make the width in the first space.
Above-mentioned linear vibration electric motor, the height of shell fragment first reduces rear increase to baffle plate from described first circular sliding slopes portion again to arc plate.
Above-mentioned linear vibration electric motor, also comprises damping, at least two, is arranged between the lateral wall of mass and the madial wall of described shell, preset clearance between the lateral wall of described damping and described mass.
Above-mentioned linear vibration electric motor, described stator module comprises
Iron core, one end is fixing on the substrate, and other end overlap joint on the bracket, and is positioned at described first space;
Coil, is set on the other end of described iron core;
Wiring board, is arranged on described iron core, is connected with described coil.
Above-mentioned linear vibration electric motor, described iron core comprises
Iron core body, fixes on the substrate;
Installation portion, overlaps on the bracket, for sheathed described coil;
Changeover portion, is connected described iron core body with described installation portion, makes the height of described installation portion higher than described iron core body.
Above-mentioned linear vibration electric motor, described installation portion is E font, and opening is towards described magnet, and described coil is set on the middle part of described E font.
Above-mentioned linear vibration electric motor, in the horizontal direction, one end of the installation magnet of described mass is E font, to form two described first grooves.
Technical solution of the present invention, tool has the following advantages:
1. linear vibration electric motor provided by the invention, comprises the substrate arranged in the horizontal direction, is fixed on suprabasil shell, and shell and substrate form installing space; Be positioned at the stator module of installing space, stator module has coil and wiring board; Be positioned at the vibration component of installing space, be oppositely arranged along first direction with stator module, comprise mass and be arranged on the magnet on mass near stator module; To be arranged in substrate and to be positioned at the elastic parts of installing space, vibration component being suspended in installing space; Be arranged on substrate upper bracket, for support stator assembly, to make coil relative with magnet level; When coil electricity, mass can do linear movement along second direction under the effect of electromagnetic force, and first direction is crossing with second direction to be also all on horizontal plane.
Above-mentioned linear vibration electric motor, stator module and vibration component are all arranged along first direction, carry out support stator assembly, the coil in stator module and the magnet level in vibration component are oppositely arranged by support, produce electromagnetic force, drive mass to do linear movement in second direction.Because the coil in stator module, wiring board are all separated setting with mass, in mass vibration processes, the vibration of coil and wiring board can not be caused, thus the electromagnetic force produced between coil and magnet is stablized, improve the stability of mass vibration, also can not damaged line plate; Meanwhile, the setting direction of stator module and vibration component and the direction of vibration of mass are all on horizontal plane, vertically go up, mass does not all arrange miscellaneous part up and down, the thickness of motor can be the thickness of mass, thus reduces the thickness of motor, and that motor can be done is thinner.
2. linear vibration electric motor provided by the invention, first direction is vertical with second direction, and after powered up, coil can produce stronger electromagnetic force, to make mass can be larger at second direction Oscillation Amplitude.
3. linear vibration electric motor provided by the invention, mass is offered the first groove, first groove is end face, bottom surface and three open recesses uncovered near the side of coil side, magnet is arranged in the first groove, the end face of magnet, bottom surface and the side surface near coil all leak outside in the outside of mass, magnet can be directly relative with coil, produces electromagnetic force, drives mass to do linear movement along second direction.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural blast figure (removing shell) of a kind of execution mode of linear vibration electric motor provided by the invention;
Fig. 2 is the scheme of installation of mass and elastic parts in linear vibration electric motor provided by the invention;
Fig. 3 is the elevational schematic view (removing substrate) of a kind of execution mode of linear electric machine provided by the invention;
Fig. 4 is the schematic top plan view (removing substrate and shell) of a kind of execution mode internal structure of linear vibration electric motor provided by the invention;
Fig. 5 is the structural representation of the elastic parts in linear vibration electric motor provided by the invention;
Fig. 6 is the structural representation of the mass in linear vibration electric motor provided by the invention;
Fig. 7 is the structural representation of the iron core in linear vibration electric motor provided by the invention;
Fig. 8 is the schematic top plan view of stator module in linear vibration electric motor provided by the invention;
Description of reference numerals: 1-substrate; 2-shell; 3-fixed head; 4-shell fragment; 5-welding block; 6-mass; 61-Part I; 62-Part II; 63-neck; 64-mounting groove; 7-magnet; 8-support; 9-iron core; 91-iron core body; 92-installation portion; 93-changeover portion; 10-coil; 11-wiring board; 12-connecting plate; 13-first circular sliding slopes portion; 14-arc plate; 15-second circular sliding slopes portion; 16-baffle plate; 17-first groove; 18-damping; 19-vertical plate.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, if below in the described different execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment 1 provides a kind of linear vibration electric motor, comprises
Substrate 1, is arranged in the horizontal direction;
Shell 2, fixes on the base 1, forms installing space with substrate 1;
Stator module, is positioned at installing space, has coil 10 and wiring board 11;
Vibration component, is positioned at installing space, is oppositely arranged along first direction with stator module, comprises mass 6 and is arranged on the magnet 7 on mass 6 near stator module;
Elastic parts, installs on the base 1, and is positioned at installing space, for being suspended in installing space by vibration component;
Support 8, is arranged on the base 1, for support stator assembly, to make coil 10 relative with magnet 7 level;
When coil 10 is energized, mass 6 can do linear movement along second direction under the effect of electromagnetic force;
First direction is crossing with second direction to be also all on horizontal plane.
Above-mentioned linear vibration electric motor, stator module and vibration component are all arranged along first direction, support stator assembly is carried out by support 8, coil 10 in stator module is oppositely arranged with magnet 7 level in vibration component, produce electromagnetic force, drive mass 6 to do linear movement in second direction.Because the coil 10 in stator module, wiring board 11 are all separated setting with mass 6, in mass 6 vibration processes, the vibration of coil 10 and wiring board 11 can not be caused, thus the electromagnetic force produced between coil 10 and magnet 7 is stablized, improve the stability that mass 6 vibrates, also can not damaged line plate; Meanwhile, the setting direction of stator module and vibration component and the direction of vibration of mass 6 are all on horizontal plane, vertically go up, mass about 6 does not all arrange miscellaneous part, the thickness of motor can be the thickness of mass 6, thus reduces the thickness of motor, can do thinner by motor.
As preferred embodiment, above-mentioned first direction is vertical with second direction, and such as stator module and vibration component are all arranged along X-direction, and the direction of vibration of mass 6 in the Y-axis direction; Or stator module and vibration component are all arranged along Y direction, and the direction of vibration of mass 6 in the X-axis direction.When first direction is vertical with second direction, after powered up, coil 10 can produce stronger electromagnetic force, to make mass 6 can be larger at second direction Oscillation Amplitude.
As distortion, first direction and second direction also can out of plumb, intersect at an angle, such as 30 °, 45 °, 60 ° 72 ° etc., when the angle intersected is the closer to 90 °, in the unit interval, mass 6 Oscillation Amplitude is larger, if contrary to 0 °, in the unit interval, mass 6 Oscillation Amplitude is relatively little.
As further preferred embodiment, as shown in Figure 2 and Figure 4, mass 6 is offered the first groove 17, first groove 17 is end face, bottom surface and three open recesses uncovered near the side of coil 10 side, magnet 7 is arranged in the first groove 17, and the end face of magnet 7, bottom surface and the side surface near coil 10 all leak outside in the outside of mass 6, and magnet 7 can be directly relative with coil 10, produce electromagnetic force, drive mass 6 to do linear movement along second direction.
As distortion, magnet 7 can also be arranged in groove that the wall of mass 6 near coil 10 side offer, magnet 7 leaks outside outside mass 6 towards a surface of coil 10, relatively with coil 10 produces electromagnetic force, and other surfaces are positioned at mass 6; Or directly magnet 7 is fixed on the wall of close coil 10 side of mass 6; Or other set-up modes, as long as it is just passable that magnet 7 directly can be produced electromagnetic force facing to coil 10 in the horizontal direction.
As preferred embodiment, as shown in Figure 3, above-mentioned elastic parts forms first space, with the opening that the first space is communicated with; The part that mass 6 is provided with magnet 7 is positioned at the first space and fixes with elastic parts; Mass 6 part of not installing magnet 7 to be stretched out and in space between opening and shell 2 inwall from opening.
As further preferred embodiment, as shown in Figure 5, elastic parts comprises fixed head 3 and two shell fragments 4.Wherein, fixed head 3 is fixing on the base 1, and two shell fragments 4 surround the first space, and one end of two shell fragments 4 is all connected on fixed head 3, and the other end of two shell fragments 4 is oppositely arranged, and forms above-mentioned opening.Such as fixed head 3 along Y direction welding on the base 1, two shell fragments 4 along Y direction symmetrically mode be separately fixed on the two ends of fixed head 3, just form the first above-mentioned space between two shell fragments 4.Because two shell fragments 4 surround the first space, mass 6 in the first space internal vibration, thus can make structure compacter.
As the preferred implementation of mass 6, as shown in Figure 6, mass 6 comprises Part I 61, Part II 62 and connects the neck 63 of Part I 61 and Part II 62; Two mounting grooves 64 being positioned at neck 63 both sides are formed between Part I 61 and Part II 62; Part I 61 is installed magnet 7, and be positioned at the first space, neck 63 passes from opening, in the space of Part II 62 between above-mentioned opening and shell 2 inwall, and and preset clearance between shell 2; Two ends of two shell fragments 4 are inserted in mounting groove 64 respectively, surround Part I 61 and be fixed on Part I 61 from outside.
The mass 6 of this structure, Part I 61 is fixed on two shell fragments 4, when mass 6 vibrates along second direction, compression or stretching shell fragment 4 accordingly, because mass 6 only has the tie point of a mounting groove 64, in order to keep mass 6 can stress balance in vibration processes, vibration more stable, the Part I 61 of mass 6 is positioned at the first space, in the space of Part II 62 between opening and shell 2 inwall.Further, because two ends of two shell fragments 4 are inserted in mounting groove 64 respectively, thus make shell fragment 4 more stable with the installation of mass 6.
As the preferred implementation of the fixed form of mass 6, as shown in Figure 3 and Figure 4, also comprise the welding block 5 inserted in mounting groove 64, welding block 5 one side surface is fixed on shell fragment 4 end, and opposite side surface is fixed on the sidewall of close Part II 62 of mounting groove 64.Can also directly shell fragment 4 be inserted and be welded in mounting groove 64, or other fixed forms of the prior art, by the end winding support of two shell fragments 4 in mounting groove 64.
As the preferred implementation of mounting groove 64, the notch place of mounting groove 64 is circular arc, is convenient to the end of shell fragment 4 to insert in mounting groove 64, can coordinate more closely with mounting groove 64.Except circular arc, can also be other shapes, such as right angle.
As shell fragment 4 preferred embodiment, as shown in Figure 5, shell fragment 4 comprise connect successively connecting plate 12, first circular sliding slopes portion 13, arc plate 14, second circular sliding slopes portion 15 and baffle plate 16, connecting plate 12 is connected with fixed head 3;
Second circular sliding slopes portion 15 is bending in the first space, to make baffle plate 16 1 side surface face stator module, and, form opening between two baffle plates 16 on two shell fragments 4;
Mass 6 is fixed on the inwall of baffle plate 16, and coordinates with the inwall in the second circular sliding slopes portion 15 and install.
As shell fragment 4 further preferred embodiment, the first circular sliding slopes portion 13 of flexure strip is towards the first space outside sweep, and arc plate 14 is towards the first tilted setting in space; First to increase to baffle plate 16 again from the first circular sliding slopes portion 13 to arc plate 14 to make the width in the first space and reduce afterwards, thus the first gap reserved between the wall outer surface of the internal face of shell fragment 4 and mass 6 is first increased to baffle plate 16 from the first circular sliding slopes portion 13 to arc plate 14 reduce afterwards again.
Such design is mainly because the connecting plate 12 of shell fragment 4 is fixed, when mass 6 vibrates along second direction, mass 6 can constantly compress or stretching shell fragment 4, in order to buffer memory first circular sliding slopes portion 13 is subject to compression and the stretching of mass 6, by the first circular sliding slopes portion 13 to the first space outside sweep, increase the width in the first space, can cushion in the first circular sliding slopes portion 13 and be subject to the stretching of mass 6 or the intensity of compression, can ensure that the first circular sliding slopes portion 13 is connected with firm between connecting plate 12, the first circular sliding slopes portion 13 can not be made to fracture from connecting plate 12, damage shell fragment 4, extend the useful life of shell fragment 4.In like manner, along with arc plate 14 far away away from the distance of connecting plate 12 time, by reserved the first gap reduction gradually between arc plate 14 and mass 6, the degree that arc plate 14 is stretched or compressed can be cushioned accordingly; Second circular sliding slopes portion 15 just can and the outer wall of mass 6 between be connected, 16, baffle plate is directly fixed on mass 6.
More preferred embodiment good as shell fragment 4, the height of shell fragment 4 first reduces to increase afterwards to baffle plate 16 from the first circular sliding slopes portion 13 to arc plate 14 again.Main and the arc plate 14 of sidewall due to the Part I 61 of mass 6 correspond to, in mass 6 vibration processes, by the height of arc plate 14 design all lower than the first circular sliding slopes portion 13 and the second circular sliding slopes portion 15, the elasticity of arc plate 14 itself can be increased, the elasticity of shell fragment 4 is stronger, shell fragment 4 is higher with mass 6 resonance frequency, and the Oscillation Amplitude of generation is larger.
As further preferred embodiment, as shown in Figure 3, above-mentioned motor also comprises damping 18, between the lateral wall that damping 18 is arranged on mass 6 and the madial wall of shell, the effect of damping is played in damping 18, prevents mass 6 from vibrating and drives case vibration, and preset clearance between the lateral wall of damping 18 and mass 6, this preset clearance is the gap of mass 6 along Oscillation Amplitude in second direction, directly can not contact, prevent noise when mass 6 is vibrated with shell 2.Arrange number for damping 18, can be two, three, four, five etc., be generally at least two, two dampings lay respectively in the space between the two side of mass 6 and outer casing inner wall.Best, damping 18 is fixed on the inwall of shell 2, also damping 18 can be fixed on mass 6.
As the preferred implementation of stator module, as shown in Figure 8, stator module comprises iron core 9, coil 10 and wiring board 11, and wherein, one end of iron core 9 is fixing on the base 1, and the other end to be overlapped on support 8 and to be positioned at the first space; Coil 10 is directly set on the other end of iron core 9, and is positioned at the first space; Wiring board 11 is arranged on iron core 9, is connected with coil 10.The stator module of this structure also arranges separately iron core 9 on coil 10, increases the electromagnetic force that coil 10 produces, to increase the oscillation intensity of mass 6.
As the preferred implementation of iron core 9, as shown in Figure 7 and Figure 8, iron core 9 comprises fixing iron core body 91 on the base 1, be overlapped on the installation portion 92 on support 8, sheathed coil 10 on installation portion 92, and by changeover portion 93 that iron core body 91 is connected with installation portion 92, the design of changeover portion 93 makes the height of installation portion 92 higher than the height of iron core body 91, like this coil 10 is set in that installation portion 92 just can to realize coil 10 relative with the level of magnet 7, and then produces the electromagnetic force driving mass 6 to vibrate.Can be circular sliding slopes section for changeover portion 93, also can be the linkage section of other shapes, not do concrete restriction.
As the preferred implementation of installation portion 92, as shown in Figure 7, installation portion 92 is in E font, and opening is towards magnet 7, and coil 10 is set on the middle part of E font.The installation portion 92 of E font makes the number of magnetic poles of magnet 7 increase, and such as NSN or SNS, makes magnetic force more directed, and the electromagnetic force of generation is more stable, and the vibration of mass 6 is more stable, and Oscillation Amplitude is also large.
As the distortion of installation portion 92, installation portion 92 can also be W font, or other shapes, as long as the shape that can increase number of magnetic poles can.
As better execution mode, one end of the installation magnet 7 of mass 6 is also designed to E font, thus form two the first grooves 17, in two the first grooves 17, magnet 7 is all installed, the E font of mass 6 is just corresponding with the E font installation portion 92 of iron core 9, make two magnets 7 all can be corresponding with coil 10 level, carry out the electromagnetic force that intensifier coil 10 produces.As distortion, the one end also mass 6 can being installed magnet 7 is designed to W font, or other shapes, best, one end that the shape of installation portion 92 and mass 6 install magnet 7 is designed to identical shape.
As the preferred implementation of support 8, support 8 is arranged on fixed head 3, makes total compact, and the space taken is relatively little.As distortion, also support 8 can be arranged on the base 1 separately, as long as the coil 10 be overlapped in the stator module on support 8 is relative with magnet 7 level.Concrete shape for support is not specifically limited.
As more preferred embodiment good, two vertical plates 19 are set with in the substrate 1 of corresponding position, fixed head 3 two ends, the lateral wall of the connecting plate 12 of shell fragment 4 is fixed on the madial wall of vertical plate 19, the madial wall of connecting plate 12 is then fixed on the outer wall of support 8, elastic parts is fixed on the base 1 by such set-up mode, and is connected closely with support 8; Can fix on the base 1 better to make elastic parts.
The detailed process that the linear vibration electric motor that the present embodiment provides is installed is: fixed head 3 is fixing on the base 1, is fixed on fixed head 3 by two of elastic parts connecting plates 12, and is arranged on fixed head 3 by support 8; Afterwards magnet 7 is arranged on mass 6, fixes, so that mass 6 is fixed on shell fragment 4 with welding block 5 in the mounting groove 64 that two baffle plates 16 of shell fragment 4 insert mass; Arranged on the base 1 by stator module, and make the installation portion 92 of iron core 9 be overlapped on support 8, between coil 10 with magnet 7, level is relative; Afterwards damping 18 is fixed on shell 2, finally shell 2 is directly fixed on substrate 1 edge, forms complete motor.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (15)
1. a linear vibration electric motor, is characterized in that, comprises
Substrate (1), is arranged in the horizontal direction;
Shell (2), is fixed in described substrate (1), forms installing space with described substrate (1);
Stator module, is positioned at described installing space, has coil (10) and wiring board (11);
Vibration component, is positioned at described installing space, is oppositely arranged along first direction with described stator module, comprises mass (6) and is arranged on the magnet on described mass (6) near described stator module;
Elastic parts, is arranged in described substrate (1), and is positioned at described installing space, for being suspended on by vibration component in described installing space;
Support (8), is arranged in described substrate (1), for supporting described stator module, to make described coil (10) relative with described magnet (7) level;
When coil electricity, described mass can do linear movement along second direction under the effect of electromagnetic force;
Described first direction is crossing with described second direction to be also all on horizontal plane.
2. linear vibration electric motor according to claim 1, is characterized in that: described first direction is vertical with described second direction.
3. linear vibration electric motor according to claim 1 and 2, it is characterized in that: described mass is offered the first groove (17), described first groove (17) is end face, bottom surface and three open recesses uncovered near the side of described coil side, and described magnet is arranged in described first groove (17).
4. the linear vibration electric motor according to any one of claim 1-3, is characterized in that:
Described elastic parts forms first space, and the opening be communicated with described first space;
Described mass (6) be provided with magnet part be positioned at described first space and fix with described elastic parts;
The part that described mass (6) does not install magnet is stretched out from described opening and is positioned at the space between described opening and described shell (2) inwall.
5. linear vibration electric motor according to claim 4, is characterized in that: described elastic parts comprises
Fixed head (3), is fixed in described substrate (1);
Shell fragment (4), be two, two shell fragments (4) surround described first space, and one end of two shell fragments (4) is all connected on fixed head (3), the other end of two shell fragments (4) is oppositely arranged, and forms described opening.
6. the linear vibration electric motor according to claim 4 or 5, is characterized in that:
Described mass (6) comprises Part I (61), Part II (62) and connects the neck (63) of described Part I (61) and Part II (62);
Two mounting grooves (64) being positioned at described neck (63) both sides are formed between described Part I (61) and described Part II (62);
Described Part I (62) is upper installs described magnet, and be positioned at described first space, described neck (63) passes from described opening, and described Part II (62) is positioned at the space between described opening and described shell (2) inwall;
Two ends of two described shell fragments (4) are inserted in described mounting groove (64) respectively, state Part I (61) and be fixed on described Part I (61) from outer peripheral residence.
7. linear vibration electric motor according to claim 6, is characterized in that: the notch place of described mounting groove (64) is circular arc.
8. the linear vibration electric motor according to any one of claim 5-7, is characterized in that:
Described shell fragment (4) comprise connect successively connecting plate (12), the first circular sliding slopes portion (13), arc plate (14), the second circular sliding slopes portion (15) and baffle plate (16), described connecting plate (12) is connected with described fixed head (3);
Described second circular sliding slopes portion (15) is bending in the first space, described stator module is faced to make described baffle plate (16) side surface, further, described opening is formed between two described baffle plates (16) on two described shell fragments (4);
Described mass (6) is fixed on the inwall of described baffle plate (16), and coordinates with the inwall in described second circular sliding slopes portion (15) and install.
9. linear vibration electric motor according to claim 8, is characterized in that: described first circular sliding slopes portion (13) is towards the first space outside sweep;
Described arc plate (14) is towards the first tilted setting in space; First to increase to baffle plate (16) again from the first circular sliding slopes portion (13) to arc plate to make the width in the first space and reduce afterwards.
10. the linear vibration electric motor according to any one of claim 5-9, is characterized in that: the height of shell fragment (4) first reduces to increase afterwards to baffle plate (16) from described first circular sliding slopes portion (13) to arc plate (14) again.
11. linear vibration electric motors according to any one of claim 1-10, it is characterized in that: also comprise damping (18), at least two, be arranged between the lateral wall of mass (6) and the madial wall of described shell (2), reserved second gap between the lateral wall of described damping (18) and described mass (6).
12. linear vibration electric motors according to any one of claim 1-11, is characterized in that: described stator module comprises
Iron core (9), one end is fixed in described substrate (1), and the other end is overlapped on described support (8), and is positioned at described first space;
Coil (10), is set on the other end of described iron core (9);
Wiring board (11), is arranged on described iron core (9), is connected with described coil (10).
13. linear vibration electric motors according to claim 12, is characterized in that: described iron core (9) comprises
Iron core body (91), is fixed in described substrate (1);
Installation portion (92), is overlapped on described support (8), for sheathed described coil (10);
Changeover portion (93), is connected described iron core body (91) with described installation portion (92), makes the height of described installation portion (92) higher than described iron core body (91).
14. linear vibration electric motors according to claim 13, is characterized in that: described installation portion (92) is in E font, and opening is towards described magnet (7), and described coil (10) is set on the middle part of described E font.
15. linear vibration electric motors according to any one of claim 3-14, it is characterized in that: in the horizontal direction, one end of the installation magnet (7) of described mass (6) is E font, to form two described first grooves (17).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033221.XA CN105449972B (en) | 2015-12-31 | 2015-12-31 | A kind of linear vibration electric motor |
| TW105219453U TWM545394U (en) | 2015-12-31 | 2016-12-21 | Linear vibration motor |
| TW105142504A TWI621323B (en) | 2015-12-31 | 2016-12-21 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033221.XA CN105449972B (en) | 2015-12-31 | 2015-12-31 | A kind of linear vibration electric motor |
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| Publication Number | Publication Date |
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| CN105449972A true CN105449972A (en) | 2016-03-30 |
| CN105449972B CN105449972B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511033221.XA Active CN105449972B (en) | 2015-12-31 | 2015-12-31 | A kind of linear vibration electric motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105449972B (en) |
| TW (2) | TWM545394U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258875A (en) * | 2018-03-02 | 2018-07-06 | 金龙机电股份有限公司 | Moving-coil type linear vibration electric motor |
| CN109005488A (en) * | 2018-09-11 | 2018-12-14 | 常州阿木奇声学科技有限公司 | A kind of moving-coil loudspeaker |
| WO2021134243A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449972B (en) * | 2015-12-31 | 2018-05-29 | 温州伏尔特电子科技有限公司 | A kind of linear vibration electric motor |
| TWI688191B (en) * | 2019-01-28 | 2020-03-11 | 富祐鴻科技股份有限公司 | Vibration element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007037273A (en) * | 2005-07-26 | 2007-02-08 | Matsushita Electric Works Ltd | Vibratory linear actuator |
| CN101486029A (en) * | 2007-10-11 | 2009-07-22 | 西铁城电子股份有限公司 | Vibrator generator and manufacturing method therefor |
| US20130049491A1 (en) * | 2011-08-23 | 2013-02-28 | Samsung Electro-Mechanics Co., Ltd. | Linear vibration motor |
| CN204669193U (en) * | 2015-06-26 | 2015-09-23 | 乐清市浩展电子厂 | Linear vibration motor |
| CN205249017U (en) * | 2015-12-31 | 2016-05-18 | 温州伏尔特电子科技有限公司 | Linear vibration motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101084800B1 (en) * | 2009-07-22 | 2011-11-21 | 삼성전기주식회사 | Linear Vibration Motor |
| KR101805473B1 (en) * | 2010-10-22 | 2017-12-08 | 한국과학기술원 | Vibration module for portable terminal |
| CN202488328U (en) * | 2012-01-05 | 2012-10-10 | 王健 | Vertical linear vibration motor |
| JP2015002951A (en) * | 2013-06-24 | 2015-01-08 | 株式会社 資生堂 | Voice coil motor and brush unit using the same |
| CN204810113U (en) * | 2015-07-16 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
| CN105449972B (en) * | 2015-12-31 | 2018-05-29 | 温州伏尔特电子科技有限公司 | A kind of linear vibration electric motor |
-
2015
- 2015-12-31 CN CN201511033221.XA patent/CN105449972B/en active Active
-
2016
- 2016-12-21 TW TW105219453U patent/TWM545394U/en unknown
- 2016-12-21 TW TW105142504A patent/TWI621323B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007037273A (en) * | 2005-07-26 | 2007-02-08 | Matsushita Electric Works Ltd | Vibratory linear actuator |
| CN101486029A (en) * | 2007-10-11 | 2009-07-22 | 西铁城电子股份有限公司 | Vibrator generator and manufacturing method therefor |
| US20130049491A1 (en) * | 2011-08-23 | 2013-02-28 | Samsung Electro-Mechanics Co., Ltd. | Linear vibration motor |
| CN204669193U (en) * | 2015-06-26 | 2015-09-23 | 乐清市浩展电子厂 | Linear vibration motor |
| CN205249017U (en) * | 2015-12-31 | 2016-05-18 | 温州伏尔特电子科技有限公司 | Linear vibration motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258875A (en) * | 2018-03-02 | 2018-07-06 | 金龙机电股份有限公司 | Moving-coil type linear vibration electric motor |
| CN109005488A (en) * | 2018-09-11 | 2018-12-14 | 常州阿木奇声学科技有限公司 | A kind of moving-coil loudspeaker |
| WO2021134243A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105449972B (en) | 2018-05-29 |
| TW201724710A (en) | 2017-07-01 |
| TWI621323B (en) | 2018-04-11 |
| TWM545394U (en) | 2017-07-11 |
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