CN105449972B - A kind of linear vibration electric motor - Google Patents
A kind of linear vibration electric motor Download PDFInfo
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- CN105449972B CN105449972B CN201511033221.XA CN201511033221A CN105449972B CN 105449972 B CN105449972 B CN 105449972B CN 201511033221 A CN201511033221 A CN 201511033221A CN 105449972 B CN105449972 B CN 105449972B
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- linear vibration
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention discloses a kind of linear vibration electric motor, and including substrate, the shell being fixed in substrate, shell forms installation space with substrate；Stator module and vibration component are oppositely arranged in installation space along the first direction；Stator module has coil and wiring board；Vibration component includes mass block and is mounted on the magnet on mass block close to stator module；Elastic parts vibration component being suspended in installation space, it is used to support the stent of stator module, so that coil is horizontal opposite with magnet, linear movement is done in a second direction to generate electromagnetic force driving mass block, first direction intersects with second direction and is on horizontal plane.Coil, wiring board are separately positioned with mass block, and mass block vibrates the vibration that will not cause coil, so that coil is stablized with the electromagnetic force that magnet generates, improve the stability of mass block vibration；Mass block is not provided with other component up and down, and the thickness of motor can be the thickness of mass block, so as to reduce the thickness of motor.
Description
Technical field
The present invention relates to the technical fields of motor, and in particular to a kind of linear vibration electric motor.
Background technology
With continuing on for portable electronic product, requirement of the people to electronic product is higher and higher so that electronics produces
Product develop towards more frivolous direction, especially the thickness of the vibrating motor in electronic product are put forward higher requirements, it is desirable that shake
Vibration performance is more stable while dynamic motor thickness is thinner.
Chinese patent literature CN20250856U discloses a kind of horizontal linear vibration motor, including shell, mounted on shell top
Upper cover in portion, forms installation space between shell and upper cover；In installation space vertically on set gradually vibration group
Part and stator module.Wherein, the mass block in vibration component is horizontally disposed, and shrapnel is arranged on the both ends of mass block, magnetic
Body is arranged in the through hole of mass block, the coil in stator module be arranged on it is on the top of mass block and opposite with magnet, with line
The wiring board of circle connection is set on the shell；Under magnetic force, mass block is vibrated along horizontal direction.
Above-mentioned linear vibration electric motor since coil is arranged at the top of mass block, in mass block vibration processes, can not be kept away
Exempt from area moving winding, circuit panel vibration, so that the electromagnetic force that coil generates mass block is uneven, mass block vibration is unstable
Fixed, wiring board is easily damaged, the defects of causing the service life of motor short.
In addition, coil is arranged on the top of mass block so that the thickness of motor is had to be larger than equal to mass block and coil
The sum of thickness, the defects of causing motor thickness is thick in the vertical direction, in order to reduce the thickness of motor, even if by coil and matter
When gauge block is horizontally disposed, since magnet is arranged in the through hole of mass block, it is difficult to be oppositely arranged with coil, be driven to generate
Kinoplaszm gauge block does the electromagnetic force of linear oscillator in the horizontal direction.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the service life of linear vibration electric motor in the prior art short
And thickness it is thick the defects of, a kind of can improve service life and the thin linear vibration electric motor of thickness so as to provide.
For this purpose, the present invention provides a kind of linear vibration electric motor, including
Substrate, it is horizontally disposed；
Shell, is fixed on the substrate, and installation space is formed with the substrate；
Stator module in the installation space, has coil and wiring board；
Vibration component in the installation space, is oppositely arranged, including matter along a first direction with the stator module
Gauge block and the magnet close to the stator module on the mass block；
Elastic parts, installation on the substrate, and is located in the installation space, for vibration component to be suspended on institute
It states in installation space；
Stent sets on the substrate, is used to support the stator module, so that the coil is horizontal with the magnet
Relatively；
When coil is powered, the mass block can do linear movement under the action of electromagnetic force along second direction；
The first direction intersects with the second direction and is on horizontal plane.
Above-mentioned linear vibration electric motor, the first direction are vertical with the second direction.
Above-mentioned linear vibration electric motor opens up the first groove on the mass block, first groove is top surface, bottom surface with
And three face open recesses of the side opening close to the coil one side, the magnet are mounted in first groove.
Above-mentioned linear vibration electric motor,
The elastic parts forms first space and the opening connected with first space；
The part that the mass block is equipped with magnet is located in first space and is fixed with the elastic parts；
The part that the mass block does not install magnet is stretched out from the opening and positioned at the opening and the outer casing inner wall
Between space in.
Above-mentioned linear vibration electric motor, the elastic parts include
Fixed plate is fixed on the substrate；
Shrapnel is two, and two shrapnels surround first space, and one end of two shrapnels is both connected in fixed plate,
The other end of two shrapnels is oppositely arranged, and forms the opening.
Above-mentioned linear vibration electric motor,
The mass block includes first portion, second portion and the neck of the connection first portion and second portion；
Two mounting grooves positioned at the neck both sides are formed between the first portion and the second portion；
The magnet is installed, and in first space, the neck is worn from the opening in the first portion
Go out, the second portion is located in the space between the opening and the outer casing inner wall；
Two ends of two shrapnels are inserted into respectively in the mounting groove, and are surrounded the first portion from outside and consolidated
It is scheduled in the first portion.
Above-mentioned linear vibration electric motor is arc-shaped at the notch of the mounting groove.
Above-mentioned linear vibration electric motor,
The shrapnel include sequentially connected connecting plate, the first circular sliding slopes portion, arc plate, the second circular sliding slopes portion and
Baffle, the connecting plate are connected with the fixed plate；
The second circular sliding slopes portion towards bending in the first space so that one side surface of the baffle face it is described fixed
Sub-component, also, form the opening between two baffles on two shrapnels；
The mass block is fixed on the inner wall of the baffle, and coordinates peace with the inner wall in the second circular sliding slopes portion
Dress.
Above-mentioned linear vibration electric motor, the first space outside sweep of the first circular sliding slopes portion direction；
The arc plate direction tilted setting in the first space；So that the width in the first space from the first circular sliding slopes portion to
Arc plate arrives baffle and first increases again to be reduced afterwards.
Above-mentioned linear vibration electric motor, the height of shrapnel first subtract from the first circular sliding slopes portion to arc plate to baffle again
Increase after small.
Above-mentioned linear vibration electric motor, further includes damping, and at least two, it is arranged on the lateral wall of mass block and the shell
Madial wall between, it is described damping the lateral wall of the mass block between preset clearance.
Above-mentioned linear vibration electric motor, the stator module include
Iron core, one end are fixed on the substrate, and the other end overlaps on the bracket, and positioned at first space
It is interior；
Coil is set on the other end of the iron core；
Wiring board is arranged on the iron core, is connected with the coil.
Above-mentioned linear vibration electric motor, the iron core include
Core body is fixed on the substrate；
Mounting portion is overlapped on the bracket, for being arranged the coil；
The core body is connected by changeover portion with the mounting portion so that the height of the mounting portion is higher than the iron
Core body.
Above-mentioned linear vibration electric motor, the mounting portion are in E fonts, are open towards the magnet, the coil is set in
On the middle part of the E fonts.
Above-mentioned linear vibration electric motor, in the horizontal direction, one end of the installation magnet of the mass block is in E fonts, with shape
Into two first grooves.
Technical solution of the present invention has the following advantages that：
1. linear vibration electric motor provided by the invention including horizontally disposed substrate, is fixed on outer in substrate
Shell, shell form installation space with substrate；Stator module in installation space, stator module have coil and wiring board；
Vibration component in installation space is oppositely arranged along a first direction with stator module, including mass block and close to stator
Component is mounted on the magnet on mass block；Elastic parts in substrate and in installation space, vibration component is hanged
It hangs in installation space；Substrate upper bracket is arranged on, is used to support stator module, so that coil is horizontal opposite with magnet；Online
When circle is powered, mass block can do linear movement, first direction and second direction under the action of electromagnetic force along second direction
Intersect and be on horizontal plane.
Above-mentioned linear vibration electric motor, stator module and vibration component are set each along first direction, are propped up by stent
Support stator module so that the magnet level in the coil and vibration component in stator module is oppositely arranged, and to generate electromagnetic force, is driven
Kinoplaszm gauge block does linear movement along in second direction.Since coil, the wiring board in stator module are separated with mass block and set
It puts, in mass block vibration processes, the vibration of coil and wiring board will not be caused, so that the electricity generated between coil and magnet
Magnetic force is stablized, and improves the stability of mass block vibration, will not damage wiring board；Meanwhile stator module and vibration component are set
The direction of vibration for putting direction and mass block is on horizontal plane, vertically on, mass block is not provided with other portions up and down
Part, the thickness of motor can be the thickness of mass block, so as to reduce the thickness of motor, can make motor thinner.
2. linear vibration electric motor provided by the invention, first direction is vertical with second direction, and after powered up, coil can produce
Raw stronger electromagnetic force, so that mass block can be in second direction Oscillation Amplitude bigger.
3. linear vibration electric motor provided by the invention, the first groove is opened up on mass block, the first groove is top surface, bottom surface with
And three face open recesses of side opening close to coil one side, magnet in the first groove, the top surface of magnet, bottom surface with
And all leak outside in the outside of mass block close to a side surface of coil, magnet can be directly opposite with coil, to generate electromagnetic force,
Driving mass block does linear movement in a second direction.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of Structure explosion diagram (removing shell) of embodiment of linear vibration electric motor provided by the invention；
Fig. 2 is the scheme of installation of mass block and elastic parts in linear vibration electric motor provided by the invention；
Fig. 3 is a kind of elevational schematic view (removing substrate) of embodiment of linear electric machine provided by the invention；
Fig. 4 is that a kind of schematic top plan view of embodiment internal structure of linear vibration electric motor provided by the invention (is removed
Substrate and shell)；
Fig. 5 is the structure diagram of the elastic parts in linear vibration electric motor provided by the invention；
Fig. 6 is the structure diagram of the mass block in linear vibration electric motor provided by the invention；
Fig. 7 is the structure diagram 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；
Reference sign：1- substrates；2- shells；3- fixed plates；4- shrapnels；5- welding blocks；6- mass blocks；61- first
Part；62- second portions；63- necks；64- mounting grooves；7- magnets；8- stents；9- iron cores；91- core bodies；92- is installed
Portion；93- changeover portions；10- coils；11- wiring boards；12- connecting plates；The first circular sliding slopes of 13- portion；14- arc plates；15- second
Circular sliding slopes portion；16- baffles；The first grooves of 17-；18- is damped；19- vertical plates.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other into conflict.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment 1 provides a kind of linear vibration electric motor, including
Substrate 1, it is horizontally disposed；
Shell 2, is fixed on the base 1, and installation space is formed with substrate 1；
Stator module in installation space, has coil 10 and wiring board 11；
Vibration component in installation space, is oppositely arranged with stator module, along a first direction including 6 He of mass block
The magnet 7 on mass block 6 is mounted on close to stator module；
Elastic parts, installation on the base 1, and is located in installation space, for vibration component to be suspended on installation space
It is interior；
Stent 8 sets on the base 1, is used to support stator module, so that coil 10 is horizontal opposite with magnet 7；
When coil 10 is powered, mass block 6 can do linear movement under the action of electromagnetic force along second direction；
First direction intersects with second direction and is on horizontal plane.
Above-mentioned linear vibration electric motor, stator module and vibration component are set each along first direction, are propped up by stent 8
Support stator module so that the coil 10 in stator module is oppositely arranged with 7 level of magnet in vibration component, to generate electromagnetism
Power, driving mass block 6 do linear movement along in second direction.Due in stator module coil 10, wiring board 11 and matter
Gauge block 6 is separately positioned, in 6 vibration processes of mass block, will not cause the vibration of coil 10 and wiring board 11, so that coil 10
The electromagnetic force generated between magnet 7 is stablized, and improves the stability that mass block 6 vibrates, will not damage wiring board；It is meanwhile fixed
The direction of vibration of the setting direction of sub-component and vibration component and mass block 6 is on horizontal plane, vertically on, quality
Block is not provided with other component about 6, the thickness of motor can be the thickness of mass block 6, can so as to reduce the thickness of motor
Motor is made thinner.
As preferred embodiment, above-mentioned first direction is vertical with second direction, such as stator module and vibration group
Part is set along X-direction, and the direction of vibration of mass block 6 is in the Y-axis direction；Or stator module and vibration component are along Y-axis
Direction is set, and the direction of vibration of mass block 6 is in the X-axis direction.When first direction is vertical with second direction, after powered up, coil
10 can generate stronger electromagnetic force, so that mass block 6 can be in second direction Oscillation Amplitude bigger.
As deformation, first direction can not also be vertical with second direction, intersect it is at an angle, such as 30 °, 45 °,
60 ° 72 ° etc., intersecting angle closer to 90 ° when, in the unit interval, 6 Oscillation Amplitude of mass block is bigger, if it is opposite closer to
0 °, 6 Oscillation Amplitude of mass block is relatively small in the unit interval.
As further preferred embodiment, as shown in Figure 2 and Figure 4, the first groove 17 is opened up on mass block 6, first
Groove 17 is three face open recesses of top surface, bottom surface and the side opening close to 10 one side of coil, and it is recessed that magnet 7 is mounted on first
In slot 17, the top surface of magnet 7, bottom surface and all leak outside in the outside of mass block 6,7 energy of magnet close to a side surface of coil 10
Enough and coil 10 is directly opposite, and to generate electromagnetic force, driving mass block 6 does linear movement in a second direction.
As deformation, magnet 7 can also be arranged on to mass block 6 in the groove that the wall surface of 10 one side of coil opens up,
Magnet 7 leaks outside towards a surface of coil 10 outside mass block 6, and opposite with coil 10 to generate electromagnetic force, other surfaces are positions
In in mass block 6；Or directly magnet 7 is fixed on the wall surface of 10 one side of close coil of mass block 6；Or other settings
Mode, as long as can magnet 7 directly be generated electromagnetic force against coil 10 in the horizontal direction.
As preferred embodiment, as shown in figure 3, above-mentioned elastic parts forms first space and the first sky
Between the opening that connects；The part that mass block 6 is equipped with magnet 7 is located in the first space and is fixed with elastic parts；Mass block 6 is not
The part of magnet 7 is installed out of, opening is stretched out and is located at opening between 2 inner wall of shell space.
As further preferred embodiment, as shown in figure 5, elastic parts includes fixed plate 3 and two shrapnels 4.Its
In, fixed plate 3 is fixed on the base 1, and two shrapnels 4 surround the first space, and one end of two shrapnels 4 is both connected to fixed plate 3
On, the other end of two shrapnels 4 is oppositely arranged, and forms above-mentioned opening.Such as fixed plate 3 is welded on substrate 1 along Y direction
On, two shrapnels 4 are separately fixed in symmetric mode on the both ends of fixed plate 3 along Y direction, are just formed between two shrapnels 4
The first above-mentioned space.Since two shrapnels 4 surround the first space, mass block 6 in the first space internal vibration so that
Structure is compacter.
As the preferred embodiment of mass block 6, as shown in fig. 6, mass block 6 includes first portion 61, second portion 62
And the neck 63 of connection first portion 61 and second portion 62；It is formed between first portion 61 and second portion 62 and is located at neck
Two mounting grooves 64 of 63 both sides；Magnet 7 is installed in first portion 61, and in the first space, neck 63 is pierced by from opening,
Second portion 62 is located in the space between 2 inner wall of above-mentioned opening and shell, and the preset clearance between shell 2；Two bullets
Two ends of piece 4 are inserted into respectively in mounting groove 64, are surrounded first portion 61 from outside and are fixed in first portion 61.
First portion 61 is fixed on two shrapnels 4, is vibrated in a second direction in mass block 6 by the mass block 6 of this structure
When, it correspondingly compresses or stretches shrapnel 4, due to 6 tie points there are one mounting groove 64 of mass block, in order to keep mass block
6 in vibration processes can stress balance, vibration it is more stable, the first portion 61 of mass block 6 is located in the first space,
Two parts 62 are located in the space between 2 inner wall of opening and shell.Also, since two ends of two shrapnels 4 are inserted into respectively
In mounting groove 64, so that shrapnel 4 and the installation of mass block 6 are more stablized.
The preferred embodiment of fixed form as mass block 6 as shown in Figure 3 and Figure 4, further includes insertion mounting groove 64
Interior welding block 5,5 one side surface of welding block are fixed on 4 end of shrapnel, another side surface be fixed on mounting groove 64 close to the
On the side wall of two parts 62.Directly shrapnel 4 can also be inserted into and be welded in mounting groove 64 or it is of the prior art other
The end of two shrapnels 4 is fixed in mounting groove 64 by fixed form.
It as the preferred embodiment of mounting groove 64, is arc-shaped at the notch of mounting groove 64, convenient for by the end of shrapnel 4
It is inserted into mounting groove 64, can more closely coordinate with mounting groove 64.Can also be other shapes except arc-shaped, such as directly
Angle.
As 4 preferred embodiment of shrapnel, as shown in figure 5, shrapnel 4 is justified including sequentially connected connecting plate 12, first
Arc connecting portion 13, arc plate 14, the second circular sliding slopes portion 15 and baffle 16, connecting plate 12 are connected with fixed plate 3；
Second circular sliding slopes portion 15 is towards bending in the first space, so that 16 1 side surface of baffle faces stator module,
Also, opening is formed between two baffles 16 on two shrapnels 4；
Mass block 6 is fixed on the inner wall of baffle 16, and coordinates installation with the inner wall in the second circular sliding slopes portion 15.
As 4 further preferred embodiment of shrapnel, the first circular sliding slopes portion 13 of elastic piece is towards outside the first space
Bending, arc plate 14 is towards the tilted setting in the first space；So that the width in the first space is from the first circular sliding slopes portion 13 to circle
Arcs 14 arrive baffle 16 and first increase again to be reduced afterwards, so that pre- between the wall outer surface of the internal face of shrapnel 4 and mass block 6
The first gap stayed first increases to baffle 16 again from the first circular sliding slopes portion 13 to arc plate 14 is reduced afterwards.
The connecting plate 12 that so design is primarily due to shrapnel 4 is fixed, is vibrated in a second direction in mass block 6
When, mass block 6 can constantly compress or stretch shrapnel 4, in order to cache the first circular sliding slopes portion 13 be subject to mass block 6 compression and
It stretches, by the first circular sliding slopes portion 13 to the first space outside sweep, increases the width in the first space, the first circular arc company can be buffered
It is subject to the intensity of stretching or the compression of mass block 6 in socket part 13, it is ensured that between the first circular sliding slopes portion 13 and connecting plate 12
Secured connection, the first circular sliding slopes portion 13 will not be caused to fracture from connecting plate 12, damage shrapnel 4, extend shrapnel 4 use
Service life.Similarly, with distance of the arc plate 14 away from connecting plate 12 it is more remote when, can will be between arc plate 14 and mass block 6
The first reserved gap gradually reduces, accordingly to buffer the degree that arc plate 14 is stretched or compressed；Second circular sliding slopes
Portion 15 can be connected between the outer wall of mass block 6, and baffle 16 is then directly anchored on mass block 6.
As the more preferably preferred embodiment of shrapnel 4, the height of shrapnel 4 is from the first circular sliding slopes portion 13 to arc plate 14
Baffle 16 is arrived again first reduce increase afterwards.Since the side wall of the first portion 61 of mass block 6 is mainly corresponded to arc plate 14, in matter
In 6 vibration processes of gauge block, the first circular sliding slopes portion 13 and the second circular sliding slopes portion are below by what the height of arc plate 14 designed
15, arc plate 14 elasticity of itself can be increased, the elasticity of shrapnel 4 is stronger, and shrapnel 4 and 6 resonant frequency of mass block are higher, generation
Oscillation Amplitude it is bigger.
As further preferred embodiment, as shown in figure 3, above-mentioned motor further includes damping 18, damping 18 is set
Between the lateral wall of mass block 6 and the madial wall of shell, the effect of damping is played in damping 18, prevents the vibration of mass block 6 from driving
Case vibration, and preset clearance between 18 and the lateral wall of mass block 6 is damped, this preset clearance is mass block 6 along second party
The gap of upward Oscillation Amplitude so that mass block 6 can not contact directly when vibrating with shell 2, prevent noise.For resistance
The setting number of Buddhist nun 18 can be two, three, four, five etc., and generally at least two, two dampings are located at respectively
In space between the two side of mass block 6 and outer casing inner wall.Most preferably, damping 18 is fixed on the inner wall of shell 2, can also
Damping 18 is fixed on mass block 6.
As the preferred embodiment of stator module, as shown in figure 8, stator module includes iron core 9, coil 10 and wiring board
11, wherein, one end of iron core 9 is fixed on the base 1, and the other end is overlapped on stent 8 and in the first space；Coil 10 is straight
Female connector is located on the other end of iron core 9, and in the first space；Wiring board 11 is arranged on iron core 9, is connected with coil 10.
The stator module of this structure is also separately provided iron core 9 on coil 10, to increase the electromagnetic force of the generation of coil 10, to increase matter
The oscillation intensity of gauge block 6.
As the preferred embodiment of iron core 9, as shown in Figure 7 and Figure 8, iron core 9 includes fixed iron core sheet on the base 1
Body 91, the mounting portion 92 being overlapped on stent 8 are arranged coil 10 on mounting portion 92 and by core body 91 and mounting portion 92
The changeover portion 93 of connection, the design of changeover portion 93 is so that the height of mounting portion 92 is higher than the height of core body 91, so by line
Circle 10, which is set in, can realize that coil 10 is opposite with the level of magnet 7 on mounting portion 92, and then generates driving mass block 6 and vibrate
Electromagnetic force.Can be circular sliding slopes section for changeover portion 93, or the linkage section of other shapes does not limit specifically
It is fixed.
As the preferred embodiment of mounting portion 92, as shown in fig. 7, mounting portion 92 is in E fonts, it is open towards magnet 7, line
Circle 10 is set on the middle part of E fonts.The mounting portion 92 of E fonts causes the number of magnetic poles of magnet 7 to increase, such as NSN or SNS, makes
Magnetic force more orients, and the electromagnetic force of generation is more stable, and the vibration of mass block 6 is more stable, and Oscillation Amplitude is also big.
As the deformation of mounting portion 92, mounting portion 92 can also be W fonts or other shapes, as long as can increase magnetic
The shape of number of poles can.
As more preferably embodiment, one end of the installation magnet 7 of mass block 6 is also designed to E fonts, so as to form two
A first groove 17 is respectively mounted magnet 7, the E fonts of mass block 6 and the E font mounting portions of iron core 9 in two the first grooves 17
92 is just corresponding so that two magnets 7 can be horizontal corresponding with coil 10, carrys out the electromagnetic force of the generation of intensifier coil 10.As
Deformation, one end that mass block 6 can also be installed to magnet 7 is designed to W fonts or other shapes, most preferably, by mounting portion 92
Shape and mass block 6 one end of magnet 7 be installed be designed to identical shape.
As the preferred embodiment of stent 8, stent 8 is mounted in fixed plate 3 so that total is compact, occupancy
Space is relatively small.As deformation, stent 8 can also be separately provided on the base 1, as long as being overlapped on the stator pack on stent 8
Coil 10 and magnet 7 in part is horizontal opposite.It is not specifically limited for the concrete shape of stent.
As two vertical plates of setting in more preferably preferred embodiment, with the substrate 1 of 3 both ends corresponding position of fixed plate
19, the lateral wall of the connecting plate 12 of shrapnel 4 is fixed on the madial wall of vertical plate 19, and the madial wall of connecting plate 12 is then fixed on branch
On the outer wall of frame 8, such set-up mode fixes elastic parts on the base 1, and is closely connected with stent 8；So that
Obtaining elastic parts can preferably fix on the base 1.
The detailed process of linear vibration electric motor provided in this embodiment installation is：Fixed plate 3 is fixed on the base 1, by bullet
Property component two connecting plates 12 be fixed in fixed plate 3 and by stent 8 be mounted on fixed plate 3 on；Magnet 7 is pacified afterwards
On mass block 6, fixed in the mounting groove 64 of two baffles 16 insertion mass block of shrapnel 4 and with welding block 5, by quality
Block 6 is fixed on shrapnel 4；Stator module is set on the base 1 again, and the mounting portion 92 of iron core 9 is caused to be overlapped on stent 8
On, it is horizontal opposite between coil 10 and magnet 7；Damping 18 is fixed on shell 2 afterwards, is finally directly anchored to shell 2
On 1 edge of substrate, complete motor is formed.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (12)
1. a kind of linear vibration electric motor, which is characterized in that including
Substrate (1), it is horizontally disposed；
Shell (2) is fixed in the substrate (1), and installation space is formed with the substrate (1)；
Stator module in the installation space, has coil (10) and wiring board (11)；
Vibration component in the installation space, is oppositely arranged, including mass block along a first direction with the stator module
(6) and close to the stator module it is mounted on the magnet on the mass block (6)；
Elastic parts, in the installation space, for vibration component to be suspended in the installation space；The elasticity group
Part includes the fixed plate being fixed in the substrate (1)；Two shrapnels (4) surround first space, and the one of two shrapnels (4)
End is both connected in fixed plate (3), and the other end of two shrapnels (4) is oppositely arranged, and forms what is connected with first space
Opening；
The mass block (6) includes first portion (61), second portion (62) and the connection first portion (61) and second
The partly neck (63) of (62)；It is formed between the first portion (61) and the second portion (62) and is located at the neck (63)
Two mounting grooves (64) of both sides；The magnet is installed on the first portion (62), and in first space, it is described
Neck (63) is pierced by from the opening, and the second portion (62) is located at the sky between the opening and the shell (2) inner wall
In；Two ends of two shrapnels (4) are inserted into respectively in the mounting groove (64), and the first portion is surrounded from outside
(61) it is fixed in the first portion (61)；
Two block welding blocks, are separately positioned in the mounting groove, and a side surface of any welding block is fixed on the shrapnel
It stretches on the end in the mounting groove, another side surface is fixed on the side wall of second portion；
Stent (8) is arranged in the substrate (1), is used to support the stator module, so that the coil (10) and the magnetic
Body (7) is horizontal opposite；
When coil is powered, the mass block can do linear movement under the action of electromagnetic force along second direction；
The first direction intersects with the second direction and is on horizontal plane.
2. linear vibration electric motor according to claim 1, it is characterised in that：The first direction hangs down with the second direction
Directly.
3. linear vibration electric motor according to claim 1, it is characterised in that：The first groove is opened up on the mass block
(17), first groove (17) is three face open recesses of top surface, bottom surface and the side opening close to the coil one side,
The magnet is mounted in first groove (17).
4. linear vibration electric motor according to any one of claim 1-3, it is characterised in that：The slot of the mounting groove (64)
It is arc-shaped at mouthful.
5. linear vibration electric motor according to any one of claim 1-3, it is characterised in that：
The shrapnel (4) includes sequentially connected connecting plate (12), the first circular sliding slopes portion (13), arc plate (14), the second circle
Arc connecting portion (15) and baffle (16), the connecting plate (12) are connected with the fixed plate (3)；
The second circular sliding slopes portion (15) is towards bending in the first space, so that (16) one side surface of the baffle faces institute
Stator module is stated, also, the opening is formed between two baffles (16) on two shrapnels (4)；
The mass block (6) is fixed on the inner wall of the baffle (16), and with the inner wall of the second circular sliding slopes portion (15)
Cooperation installation.
6. linear vibration electric motor according to claim 5, it is characterised in that：The first circular sliding slopes portion (13) is towards the
One space outside sweep；
Arc plate (14) the direction tilted setting in the first space；So that the width in the first space is from the first circular sliding slopes portion
(13) arrive baffle (16) again to arc plate and first increase and reduce afterwards.
7. linear vibration electric motor according to claim 5, it is characterised in that：The height of shrapnel (4) is from first circular arc
Connecting portion (13) to arc plate (14) arrives baffle (16) and first reduces again to be increased afterwards.
8. linear vibration electric motor according to any one of claim 1-3, it is characterised in that：Damping (18) is further included, until
It is two few, it is arranged between the lateral wall of mass block (6) and the madial wall of the shell (2), the damping (18) and the matter
The second gap is reserved between the lateral wall of gauge block (6).
9. linear vibration electric motor according to any one of claim 1-3, it is characterised in that：The stator module includes
Iron core (9), one end are fixed in the substrate (1), and the other end is overlapped on the stent (8), and positioned at described first
In space；
Coil (10), is set on the other end of the iron core (9)；
Wiring board (11) is arranged on the iron core (9), is connected with the coil (10).
10. linear vibration electric motor according to claim 9, it is characterised in that：The iron core (9) includes
Core body (91) is fixed in the substrate (1)；
Mounting portion (92) is overlapped on the stent (8), for being arranged the coil (10)；
The core body (91) is connected so that the height of the mounting portion (92) by changeover portion (93) with the mounting portion (92)
Degree is higher than the core body (91).
11. linear vibration electric motor according to claim 10, it is characterised in that：The mounting portion (92) is in E fonts, is open
Towards the magnet (7), the coil (10) is set on the middle part of the E fonts.
12. linear vibration electric motor according to claim 3, it is characterised in that：In the horizontal direction, the mass block (6)
One end of magnet (7) is installed in E fonts, to form two 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449972A CN105449972A (en) | 2016-03-30 |
| CN105449972B true CN105449972B (en) | 2018-05-29 |
Family
ID=55559866
Family Applications (1)
| 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) |
Families Citing this family (5)
| 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 |
| 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 |
| TWI688191B (en) * | 2019-01-28 | 2020-03-11 | 富祐鴻科技股份有限公司 | Vibration element |
| WO2021134243A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
Family Cites Families (11)
| 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 |
| 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 |
| KR101278418B1 (en) * | 2011-08-23 | 2013-06-24 | 삼성전기주식회사 | Linear Vibration motor |
| 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 |
| CN204669193U (en) * | 2015-06-26 | 2015-09-23 | 乐清市浩展电子厂 | Linear vibration motor |
| 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 |
| CN205249017U (en) * | 2015-12-31 | 2016-05-18 | 温州伏尔特电子科技有限公司 | Linear vibration 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN105449972A (en) | 2016-03-30 |
| TW201724710A (en) | 2017-07-01 |
| TWI621323B (en) | 2018-04-11 |
| TWM545394U (en) | 2017-07-11 |
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