CN205583985U - Linear vibrating motor - Google Patents
Linear vibrating motor Download PDFInfo
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- CN205583985U CN205583985U CN201620117411.3U CN201620117411U CN205583985U CN 205583985 U CN205583985 U CN 205583985U CN 201620117411 U CN201620117411 U CN 201620117411U CN 205583985 U CN205583985 U CN 205583985U
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Abstract
The utility model provides a linear vibrating motor, including shell, oscillator and fix on the shell and with oscillator parallel arrangement's stator, the oscillator includes the quality piece and inlays the vibrating mass who establishes at quality piece middle part that include the permanent magnet, wherein, border on respectively at vibrating mass's both ends and have push -pull structure, push -pull structure is including inlaying the magnet of establishing in the quality piece of recommending to and fix on the shell and recommend the coil, recommend the interact power that produces reinforcing magnetic field between magnet and the adjacent permanent magnet, recommend the coil and produce the traction thrust on the horizontal direction with recommending magnet after the circular telegram, for the oscillator along providing initial drive force with the stator place parallel ascending reciprocating motion in side in plane, recommend magnet and be three at least, the orientation that magnetizes of recommending magnet is on a parallel with direction of vibration and perpendicular to direction of vibration respectively. Utilize above -mentioned utility model can make full use of to recommend the magnetic field of coil, the reinforcing traction thrust realizes that magnetic field is multiplexing to design for the shell fragment provides more abundant space.
Description
Technical field
This utility model relates to consumer electronics field, more specifically, relating to one and being applied to portable
The linear vibration motor of formula consumption electronic product.
Background technology
Along with the development of communication technology, portable type electronic product, such as mobile phone, handheld device or palm
Multimedia entertainment equipments etc. enter the life of people.In these portable type electronic products, typically can be with micro-
Type vibrating motor does system feedback, the incoming call prompting of such as mobile phone, the vibrational feedback etc. of game machine.So
And, along with the lightening development trend of electronic product, its internal various components and parts also need to adapt to this become
Gesture, vibrating motor is no exception.
Existing vibrating motor, generally comprise upper cover and with upper cover formed oscillation space lower cover,
In oscillation space, do the oscillator (including balancing weight and permanent magnet) of linear vibration, connect upper cover and make
Oscillator does elastic supporting member for supporting optical member of reciprocating vibration and is positioned at the coil of oscillator distance below.
In the vibrating motor of above-mentioned this structure, the strength of drive vibrator vibration all derives from shakes
Magnetic field force between son and coil, owing to the magnetic field force between oscillator and coil is limited so that oscillator vibration
Vibration sense smaller, and due to change relative to coil position during oscillator vibration so that oscillator
Stress size change, straight-line oscillation response speed is uneven, thus causes the vibration of oscillator to produce
Nonlinear change, has influence on the vibration sense balance of electronic product.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of linear vibration motor, and utilization is recommended
Structure, provides an initial drive force for oscillator vibration, thus promotes oscillator putting down with stator place plane
Move reciprocatingly on the direction of row, and by changing the position of push-pull configuration design in prior art, no
It is only capable of the multiplexing realizing magnetic field, strengthens traction thrust, it is also possible to the elastic supporting member for supporting optical member for mass two ends is kept away
Concede bigger design space.
The linear vibration motor provided according to this utility model, including shell, oscillator and be fixed on shell
Stator that is upper and that be arranged in parallel with oscillator, oscillator includes mass and is embedded the vibration in the middle part of mass
Block, vibrating mass includes permanent magnet；Wherein, adjacent respectively at the two ends of vibrating mass have push-pull configuration；Recommend
Structure includes the Magnet of recommending being embedded in mass, and be fixed on shell and recommend coil；Push away
Draw and between Magnet and adjacent permanent magnet, produce the interaction force strengthening magnetic field；Recommend coil after powered up
The traction thrust in horizontal direction is produced, for oscillator along the direction parallel with stator place plane with recommending Magnet
On reciprocating motion provide traction thrust；Recommend Magnet and be at least three pieces, recommend the magnetizing direction of Magnet respectively
It is parallel to direction of vibration and is perpendicular to direction of vibration.
Wherein, preferred scheme is, drives stator to include that magnetic inductive block, magnetic inductive block are oppositely arranged with oscillator,
Magnetic inductive block is fixed on shell, and magnetic inductive block is by the magnetic field identical and/or contrary with the direction of vibration of oscillator
The effect of power.
Wherein, preferred scheme is, recommends centring magnet that Magnet includes that level magnetizes and is positioned at center
The limit Magnet of Magnet both sides, limit Magnet includes vertically arranged two block Magnet and between two blocks of Magnet
Conductive magnetic yoke；Wherein, centring magnet is vertical with the magnetizing direction of limit Magnet.
Wherein, preferred scheme is, centring magnet is that level magnetizes, and limit Magnet is for vertically to magnetize.
Wherein, preferred scheme is, recommends coil and is set in parallel in the upper and lower both sides recommending Magnet, pushes away
The direction of winding drawing coil is parallel with the magnetizing direction of centring magnet.
Wherein, preferred scheme is, vibrating mass includes at least two blocks of permanent magnets being provided adjacent to, permanent magnet
The polarity of abutting end identical.
Wherein, preferred scheme is, is provided with the groove accommodating vibrating mass, at groove in mass
Neighbouring two ends are symmetrically arranged with two and recommend Magnet accepting groove；Recommend Magnet to be embedded and recommending Magnet accepting groove
In.
Wherein, preferred scheme is, when oscillator is in poised state, and the magnetic of the oscillator that magnetic inductive block is subject to
Making a concerted effort of field force is zero；The traction thrust produced by push-pull configuration when magnetic inductive block act on vibrating of oscillator
Time on direction with oscillator generation relative displacement, the resultant direction of the magnetic field force of the oscillator that magnetic inductive block is subject to and phase
Identical to the direction of displacement, and, make a concerted effort size and the relative displacement of the magnetic field force of the oscillator that magnetic inductive block is subject to
Size direct proportionality.
Wherein, preferred scheme is, vibrating mass include three blocks of first permanent magnets being provided adjacent to successively,
Two permanent magnets and the 3rd permanent magnet, magnetic inductive block is symmetrically positioned in the both sides up and down of the second permanent magnet.
Wherein, preferred scheme is, is provided with at the middle part of mass and recommends coil and magnetic inductive block is relative
The avoiding structure answered.
Above-mentioned according to linear vibration motor of the present utility model, jump out existing only by oscillator and coil
Magnetic field force the motor mentality of designing driven is provided, utilize push-pull configuration, provide at the beginning of one for oscillator vibration
Beginning driving force, promotes oscillator to move reciprocatingly on the direction parallel with stator place plane；It addition, this
In utility model, use the neighbouring set-up mode of push-pull configuration and vibrating mass, oscillator can not only be realized
The multiplexing in magnetic field produced by permanent magnet, strengthens the vibration sense of linear vibration motor, additionally it is possible to for resilient support
The relating to of part, merges out more space.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with to this practicality
Novel is more fully understood from, and other purpose of the present utility model and result will be more apparent and should be readily appreciated that.
In the accompanying drawings:
Fig. 1 is the decomposition texture schematic diagram of the linear vibration motor according to this utility model embodiment；
Fig. 2 is the cross-sectional view of the linear vibration motor according to this utility model embodiment；
Fig. 3-1 is the principle schematic one of the linear vibration motor according to this utility model embodiment；
Fig. 3-2 is the principle schematic two of the linear vibration motor according to this utility model embodiment.
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
In the following description, for purposes of illustration, complete in order to provide one or more embodiments
Foliation solution, elaborates many details.It may be evident, however, that these details can also there is no
In the case of realize these embodiments.In other example, for the ease of describing one or more embodiments,
Known structure and equipment illustrate in block form an.
" mass " used in the description of following detailed description of the invention may also be referred to as " balancing weight ",
The vibrating mass referring both to and producing vibration is fixing to strengthen the high-quality of vibration balancing, high desnity metal block.
It addition, this utility model is mainly used in the improvement of vibrating motor, but also it is not excluded for this reality
It is applied to large-scale vibrating motor by the technology in novel.But for the convenience stated, in following enforcement
During example describes, the implication that " linear vibration motor " represents with " vibrating motor " is identical.
For describing the structure of linear vibration motor of the present utility model in detail, below with reference to accompanying drawing to this reality
It is described in detail with novel specific embodiment.
In order to solve in existing vibrating motor structure owing to the Magnet of oscillator and stator coil provide
The vibration sense imbalance problem that driving force is unbalanced and causes, the linear vibration motor that this utility model provides,
Substitute stator coil with magnetic inductive block, overcome stator coil due to the energising change in direction and size of current not
The stable discontinuity equalization problem caused, strengthens the magnetic of push-pull configuration by magnetic field produced by vibrating mass
, it is achieved the magnetic field multiplexing of linear vibration motor drive part, it is further possible to be elastic supporting member for supporting optical member
Design merges out more space.
Fig. 1 shows the decomposition texture of the linear vibration motor according to this utility model embodiment；Fig. 2 shows
Go out the cross-section structure of linear vibration motor according to this utility model embodiment；According to Fig. 3-1 shows
The principle of the linear vibration motor of this utility model embodiment.
As shown in Fig. 1 to Fig. 3-1, the linear vibration motor of this utility model embodiment, including shell (bag
Include the upper casing 1 of rectangular structure and be connected, with upper casing 1 adaptation, the lower casing 11 of platy structure fixed), shake
Son and the stator being fixed on shell and be arrangeding in parallel with oscillator, oscillator includes mass 9 and is embedded
Vibrating mass in the middle part of mass 9, vibrating mass includes at least one block permanent magnet；Wherein, at vibrating mass
Two ends are adjacent respectively has push-pull configuration, push-pull configuration to include the Magnet of recommending being embedded in mass, and
Be fixed on shell recommends coil, by the mating reaction recommending Magnet with recommend coil, for oscillator
Vibration provides traction thrust；Wherein, recommending Magnet and be at least three pieces, the magnetizing direction recommending Magnet is put down respectively
Row is in direction of vibration and is perpendicular to direction of vibration, recommends and can produce increasing between Magnet and adjacent permanent magnet
Magnetic field produced by the interaction force of high-intensity magnetic field, i.e. permanent magnet also is able to act on push-pull configuration, from
And realize the magnetic field multiplexing of linear vibration motor drive part.
Specifically, recommend Magnet and include the centring magnet that level magnetizes and the limit being positioned at centring magnet both sides
Magnet, limit Magnet includes vertically arranged two block Magnet and the conductive magnetic yoke between two blocks of Magnet；Its
In, centring magnet is vertical with the magnetizing direction of limit Magnet.Wherein, centring magnet is that level magnetizes, Bian Ci
Ferrum is for vertically to magnetize；Or centring magnet is for vertically to magnetize, limit Magnet is that level magnetizes.Recommend coil to put down
Row is arranged on the upper and lower both sides recommending Magnet, recommends the direction of winding of coil and the side of magnetizing of centring magnet
To parallel.
Additionally, be provided adjacent to push-pull configuration also be able to the elasticity into vibrating mass two ends at the two ends of vibrating mass
The design of support member merges out more space, and structure is more reasonable.Recommend coil after powered up with recommend
Magnet produces the traction thrust in horizontal direction, for past along the direction parallel with stator place plane of oscillator
Multiple motion provides initial drive force, magnetic field produced by permanent magnet and the interaction of push-pull configuration, it is possible to
Strengthen traction thrust, thus strengthen the vibration sense of linear vibration motor.
Specifically, Fig. 3-2 shows the principle two of the linear vibration motor according to this utility model embodiment.
As shown in figure 3-2, owing to the width d1 of mass is less than d2, push-pull configuration is arranged on vibrating mass
Adjacent both sides, elastic supporting member for supporting optical member is arranged on the two ends of mass, it is possible to for the design of elastic supporting member for supporting optical member
Reserve enough spaces, and be capable of vibrating mass magnetic field and the interaction force recommending coil, real
The recycling in the magnetic field that existing permanent magnet produces, structure more optimizes, the vibrating effect of linear vibration motor
The most more significantly.
In a detailed description of the invention of the present utility model, mass is symmetrically arranged with at least one pair of
Recommend magnet-fixation grooves, each recommend magnet-fixation grooves in contain at least three pieces and recommend magnet, adjacent
The magnetizing direction recommending Magnet connecing setting is mutually perpendicular to.
Specifically, as shown in accompanying drawing 1 to Fig. 3-1, mass is symmetrical arranged a pair (two) and recommends
Magnet-fixation grooves, the i.e. both sides at vibrating mass are respectively arranged with two and recommend magnet-fixation grooves, push away each
Contain three pieces in drawing magnet-fixation grooves and recommend Magnet, shell is fixed with to recommend magnet positions corresponding
Recommend coil, recommend coil and be positioned at the both sides up and down recommending Magnet of correspondence.
Wherein, be positioned at that vibrating mass adjoins side recommends Magnet, recommends magnet-fixation grooves including being positioned at
Recommend Magnet 5a, 5a ' and recommend Magnet 5d, 5d ', and be positioned at recommend Magnet 5a, 5a ' and recommend Magnet
5d, 5d ' between centring magnet 5e, wherein, recommend Magnet 5a, 5a ' and recommend Magnet 5d, 5d ' quite
In limit Magnet, limit Magnet 5a, 5a ' it is vertical distribution, it is provided with conductive magnetic yoke 6a, and limit magnetic between
Ferrum 5a, 5a ' the polarity of abutting end identical.The magnetizing direction of centring magnet 5e and limit Magnet 5a, 5a ', 5d,
The magnetizing direction of 5d ' is vertical.
Additionally, limit Magnet 5a, 5a ' the polarity of the polarity of the abutting end abutting end corresponding with center magnet
On the contrary, the opposite polarity of the abutting end that the polarity of the abutting end of limit Magnet 5d, 5d ' is corresponding with centring magnet.
That is, the magnetizing direction of limit Magnet 5a, 5a ' is the N-S-S-N on vertical direction, the side of magnetizing of centring magnet
To for the N-S in horizontal direction, limit Magnet 5d, 5d ' magnetizing direction be the-S-N-N S on vertical direction.
Wherein, being provided with in the upside recommending Magnet 5a, 5d and recommend coil 2a, this is recommended coil and is fixed on
Be arrangeding in parallel on shell and with recommending Magnet, the direction of winding recommending coil recommends filling of Magnet with corresponding
Magnetic direction is perpendicular.Recommending Magnet 5a ', the downside of 5d ' is provided with and recommends coil 2a ', and this recommends coil
It is fixed on shell and be arranged in parallel with recommending Magnet accordingly, recommend the direction of winding of coil and recommend Magnet
Magnetizing direction perpendicular, and, the direction of winding recommending coil is parallel with the magnetizing direction of centring magnet.
In like manner, be positioned at the adjacent opposite side of vibrating mass recommends Magnet, including recommending Magnet 5b, 5b ',
Recommend Magnet 5c, 5c ', recommending Magnet 5b, 5b ' and recommend Magnet 5c, 5c ' between be provided with center
Magnet 5e ', is provided with in the upside recommending Magnet 5b, 5c and recommends coil 2b, is recommending coil 5b ', 5c '
Downside be provided with and recommend coil 2b '.Wherein, recommend Magnet 5b, 5b ', 5c, 5c ' and centring magnet
The magnetizing direction of 5e ' and between positional structure and recommend Magnet 5a, 5a ', 5d, 5d ' and centring magnet
5e is similar, and here is omitted.
Understand, during vibrating mass vibrates, recommend and can produce between Magnet and adjacent permanent magnet
Strengthen the interaction force in magnetic field, i.e. magnetic field produced by permanent magnet also is able to act on push-pull configuration,
Thus realize the magnetic field multiplexing of linear vibration motor drive part, strengthen push-pull configuration recommends dynamics.
In another embodiment of the present utility model, stator includes the magnetic conduction being fixed on shell
Block 3a, 3b, magnetic inductive block 3a, 3b are identical and/or contrary by both direction at the direction of vibration of oscillator
The effect of magnetic field force；Wherein, when oscillator is in poised state, making a concerted effort of two magnetic field forces is zero；
The i.e. initial drive force of traction thrust produced by above-mentioned push-pull configuration as magnetic inductive block 3a, 3b act on oscillator
Direction of vibration on oscillator generation relative displacement time, the resultant direction of two magnetic field forces and relative displacement
Direction is identical, and, the size size direct proportionality with relative displacement of making a concerted effort of two magnetic field forces.
Wherein, vibrating mass include three pieces be provided adjacent to, permanent magnet that vertical direction magnetizes, and adjacent
The abutting end opposite polarity of the permanent magnet arranged, magnetic inductive block is laminated structure, centrally disposed vibrating mass
The both sides up and down of the permanent magnet in centre position, and relative to the centrosymmetry of center vibrating mass.
Wherein, vibrating mass includes the first permanent magnet 7a, the second permanent magnet 7b and the 3rd permanent magnetism being arranged in order
Ferrum 7c, is provided with the first conductive magnetic yoke 8a, second between the first permanent magnet 7a and the second permanent magnet 7b
It is provided with the second conductive magnetic yoke 8b, upper at the second permanent magnet 7b between permanent magnet 7b and the 3rd permanent magnet 7c
Side is provided with the first magnetic inductive block 3a, and the downside of the second permanent magnet 7b is provided with the second magnetic inductive block 3b, the
One magnetic inductive block 3a and the second magnetic inductive block 3b is each attached on shell, and and the second permanent magnet 7b between exist
Certain gap.Wherein, the first magnetic inductive block 3a and the second magnetic inductive block 3b is right about the second permanent magnet 7b
Claim distribution, and when oscillator is in balance resting state, the first magnetic inductive block 3a and the second magnetic inductive block 3b
Identical with the distance between the first permanent magnet 7a and the end of the 3rd permanent magnet 7c.
It should be noted that magnetic inductive block can also the both sides up and down of symmetrical or mal-distribution and vibrating mass,
Magnetic inductive block is arranged on the side of vibrating mass by the latter.Such as, vibrating mass includes three blocks of adjacent permanent magnets；
Three blocks of adjacent permanent magnets are vertical direction and magnetize, and, the abutting end polarity of adjacent permanent magnet
On the contrary；And magnetic inductive block is provided with two pieces, two pieces of magnetic inductive blocks are symmetricly set on the upper side and lower side of vibrating mass, and
And, the permanent magnet in the centre position of two pieces of all corresponding vibrating mass of magnetic inductive block is arranged.
Or vibrating mass includes a block permanent magnet, magnetic inductive block is provided with two pieces, and two pieces of equal positions of magnetic inductive block
Upside or downside in vibrating mass；Or, left end and the right-hand member of two blocks of magnetic inductive block corresponding permanent magnets respectively divide
Cloth, and the central axis about permanent magnet is symmetrical.
Or, vibrating mass includes three blocks of permanent magnets being provided adjacent to, and three blocks of adjacent permanent magnets are perpendicular
Nogata to magnetizing, and, the abutting end opposite polarity of adjacent permanent magnet, magnetic inductive block is six pieces, six pieces
Magnetic inductive block is symmetrically arranged at the both sides up and down of three blocks of adjacent permanent magnets.
Wherein, vibrating mass includes three blocks of permanent magnets being provided adjacent to, and three blocks of adjacent permanent magnets are perpendicular
Nogata to magnetizing, and, the abutting end opposite polarity of adjacent permanent magnet；Magnetic inductive block is provided with two pieces, and two
The asymmetric both sides up and down being arranged on vibrating mass of block magnetic inductive block；It is further, asymmetric that to be arranged on vibrating mass upper and lower
The magnetic inductive block of both sides is about the centrosymmetry of vibrating mass.
When oscillator is in poised state, two sizes that the first magnetic inductive block 3a is subject to are identical, in opposite direction
Magnetic field force F1, F2；When the first magnetic inductive block 3a (includes permanent magnet 7a, 7b, 7c at oscillator and sets
Put conductive magnetic yoke 8a between the permanent magnet being provided adjacent to, 8b) direction of vibration on oscillator occur to the right
Relative displacement d time, the magnetic field force F1 that the first magnetic inductive block 3a is subject to be less than F2, the i.e. first magnetic inductive block 3a
Displacement (owing to magnetic inductive block is integrally fixed on shell, displacement herein is relative with between permanent magnet
Displacement) variation for d time, the magnetic field force dF=F2-F1=Kd > 0 suffered by the first magnetic inductive block 3a, wherein,
K is the magnetic inductive block proportionality coefficient by magnetic field force, K and magnetic inductive block, the size of permanent magnet and the two it
Between position relevant.In like manner, the magnetic field force dF=F4-F3=Kd > 0 that the second magnetic inductive block 3b is subject to, first leads
Under the common effect of magnetic piece 3a and the second magnetic inductive block 3b, drive vibrating mass along the direction parallel with magnetic inductive block
Vibration.
Understand, magnetic inductive block on the direction of vibration of oscillator with oscillator generation relative displacement time, two magnetic fields
The resultant direction of power is identical with the direction of magnetic inductive block relative displacement, and, the size of making a concerted effort of two magnetic field forces
With the size direct proportionality of relative displacement, thus realize the inverse stiffness variation of magnetic inductive block, it is ensured that oscillator
Can produce resonance, vibration sense effect is more significantly.
In a detailed description of the invention of the present utility model, for increasing the magnetic conduction intensity of push-pull configuration, carry
The Oscillation Amplitude of high oscillator, is provided with three groups (six) and fixes with the push-pull configuration that vibrating mass is provided adjacent to
Groove, fixes in groove at each push-pull configuration, is respectively arranged with one piece or two pieces and recommends Magnet and be positioned at two pieces
Recommend the conductive magnetic yoke between Magnet.Wherein, recommend Magnet to be the mixing magnetized with level of vertically magnetizing and fill
Magnetic.
This utility model is during concrete application, it is also possible to increases according to actual product needed/reduces
Recommend the group number of Magnet, such as, utilize more than three pieces and above recommend group of magnets number, and at every two groups
Or often group recommend arrange on Magnet correspondence recommend coil, to strengthen the traction thrust of push-pull configuration, splicing thread
The vibration sense of property vibrating motor.
In another detailed description of the invention of the present utility model, magnetic can be recommended recommending coil with neighbouring
Magnetic liquid it is filled with between ferrum.Wherein, recommend Magnet and recommend formation magnetic gap between coil, between this magnetic
Being filled with flexible magnetic conductive part in gap, this flexibility magnetic conductive part can be magnetic liquid, and wherein, magnetic liquid is that one has
The colloidal substance of magnetic, is primarily referred to as nano level magnetic particle (nickel, cobalt, iron oxides etc.) outer layer
The surfactant of parcel long-chain is scattered in the base fluids such as water, organic solvent, oil uniformly, thus is formed
A kind of uniform and stable colloid solution.
Owing to magnetic liquid has certain magnetic, during assembling, can first recommending corresponding for push-pull configuration setting
Structure is fixed in groove, then to recommend Magnet and recommend between coil magnetic gap in squeeze into magnetic liquid, due to
The magnetic liquid of self can actively be adsorbed in the surface recommending Magnet, it is possible to is strengthened by magnetic liquid and recommends Magnet
And the magnetic conduction intensity recommended between coil, provides higher traction thrust for vibrating mass.
It should be noted that in above-mentioned each detailed description of the invention, be provided with at the middle part of mass and push away
Draw the avoiding structure that coil is corresponding with magnetic inductive block, mass be provided with the groove accommodating vibrating mass,
Vibrating mass is fixed in groove in gluing mode.
Can be arranged on and recommend the side of Magnet additionally, recommend coil or be symmetricly set on and recommend Magnet
Upper and lower both sides, are positioned at one and recommend recommending Magnet and can needing spirit according to product of magnet-fixation grooves
Live and set in push-pull configuration that recommend Magnet and recommend number of coils, position, such as arrange one or
Multiple, the structure recommending Magnet is not limited to two shown in accompanying drawing couple structure, it is also possible to will recommend coil and set
Put in the side recommending Magnet, or recommend the upper and lower both sides of Magnet by recommending asymmetric being arranged on of coil
Deng, it is respectively provided with one group in the both sides of the groove of fixing vibrating mass and recommends Magnet and relative with recommending Magnet
That answers recommends coil, it is possible to provide perturbed force for oscillator.
Linear vibration motor of the present utility model, also includes flexible circuit board (PFCB, Flexible Printed
Circuit Board) 4 and elastic supporting member for supporting optical member 10；Wherein, flexible circuit board 4 is fixing with shell is connected；With
And, recommend coil and connected with external circuit by the circuit in flexible circuit board 4.Elastic supporting member for supporting optical member 10 points
Not being arranged on the two ends, left and right of mass 9, push-pull configuration is arranged between elastic supporting member for supporting optical member 10 and vibrating mass,
By being fixed on spacing for elastic supporting member for supporting optical member 10 between oscillator and shell, the vibration for oscillator provides elastic extensive
Multiple power.
Wherein, magnetic inductive block on the direction of vibration of oscillator with oscillator generation relative displacement time, oscillator is to line
Property vibrating motor an end motion, until the making a concerted effort less than mass one end of its two magnetic field forces being subject to
The elastic force of elastic supporting member for supporting optical member, thus move in the opposite direction, until the closing of its two magnetic field forces being subject to
Power is less than the elastic force of the elastic supporting member for supporting optical member of the mass other end, thus realizes the reciprocating motion of oscillator.
Describe in an illustrative manner according to linear vibration motor of the present utility model above with reference to figure accompanying drawing.But
It is to it will be appreciated by those skilled in the art that the linear vibration motor that above-mentioned this utility model is proposed,
Various improvement can also be made on the basis of without departing from this utility model content.Therefore, this utility model
Protection domain should be determined by the content of appending claims.
Claims (9)
1. a linear vibration motor, including shell, oscillator and the fixing stator on the housing and be arrangeding in parallel with described oscillator, described oscillator includes mass and is embedded the vibrating mass in the middle part of described mass, and described vibrating mass includes permanent magnet；It is characterized in that,
Adjacent respectively at the two ends of described vibrating mass have push-pull configuration；
Described push-pull configuration includes the Magnet of recommending being embedded in described mass, and fixing on the housing and recommend coil；
Described recommending produces the interaction force strengthening magnetic field between Magnet and adjacent permanent magnet；
Described coil of recommending produces the traction thrust in horizontal direction with described Magnet of recommending after powered up, provides traction thrust for the reciprocating motion along the direction parallel with described stator place plane of the described oscillator；
Described Magnet of recommending is at least three pieces, described in recommend the magnetizing direction of Magnet and be respectively parallel to direction of vibration and be perpendicular to direction of vibration；Wherein,
Described Magnet of recommending includes the centring magnet that level magnetizes and the limit Magnet being positioned at described centring magnet both sides, and described limit Magnet includes vertically arranged two block Magnet and the conductive magnetic yoke between two blocks of Magnet；Wherein,
Described centring magnet is vertical with the magnetizing direction of described limit Magnet.
2. linear vibration motor as claimed in claim 1, it is characterised in that
Described driving stator includes that magnetic inductive block, described magnetic inductive block are oppositely arranged with described oscillator, and described magnetic inductive block is fixed on described shell, and described magnetic inductive block is acted on by the magnetic field force identical and/or contrary with the direction of vibration of described oscillator.
3. linear vibration motor as claimed in claim 1, it is characterised in that
Described centring magnet is that level magnetizes, and described limit Magnet is for vertically to magnetize.
4. linear vibration motor as claimed in claim 3, it is characterised in that
Described recommend coil be set in parallel in described in recommend the upper and lower both sides of Magnet, described in recommend the direction of winding of coil parallel with the magnetizing direction of described centring magnet.
5. linear vibration motor as claimed in claim 1, it is characterised in that
Described vibrating mass includes at least two blocks of permanent magnets being provided adjacent to, and the polarity of the abutting end of described permanent magnet is identical.
6. linear vibration motor as claimed in claim 1, it is characterised in that
In described mass, it is provided with the groove accommodating described vibrating mass, is symmetrically arranged with two at the neighbouring two ends of described groove and recommends Magnet accepting groove；
Described Magnet of recommending is embedded and recommends in Magnet accepting groove described.
7. linear vibration motor as claimed in claim 2, it is characterised in that
When described oscillator is in poised state, making a concerted effort of the magnetic field force of the described oscillator that described magnetic inductive block is subject to is zero；
When on the direction of vibration acting on described oscillator of the traction thrust that described magnetic inductive block is produced by described push-pull configuration with described oscillator generation relative displacement, the resultant direction of the magnetic field force of the described oscillator that described magnetic inductive block is subject to is identical with the direction of relative displacement, and, the size size direct proportionality with described relative displacement of making a concerted effort of the magnetic field force of the described oscillator that described magnetic inductive block is subject to.
8. linear vibration motor as claimed in claim 2, it is characterised in that
Described vibrating mass includes three blocks of first permanent magnets being provided adjacent to successively, the second permanent magnet and the 3rd permanent magnet, and described magnetic inductive block is symmetrically positioned in the both sides up and down of described second permanent magnet.
9. linear vibration motor as claimed in claim 2, it is characterised in that
It is provided with at the middle part of described mass and recommends coil and the corresponding avoiding structure of described magnetic inductive block with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117411.3U CN205583985U (en) | 2016-02-05 | 2016-02-05 | Linear vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117411.3U CN205583985U (en) | 2016-02-05 | 2016-02-05 | Linear vibrating motor |
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| Publication Number | Publication Date |
|---|---|
| CN205583985U true CN205583985U (en) | 2016-09-14 |
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| CN201620117411.3U Active CN205583985U (en) | 2016-02-05 | 2016-02-05 | Linear vibrating motor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655696A (en) * | 2016-11-30 | 2017-05-10 | 歌尔股份有限公司 | Linear vibration motor |
| WO2017133152A1 (en) * | 2016-02-05 | 2017-08-10 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN107147267A (en) * | 2017-05-18 | 2017-09-08 | 歌尔股份有限公司 | Linear vibration motor |
| CN108462351A (en) * | 2017-02-22 | 2018-08-28 | 日本电产精密株式会社 | Vibrating motor |
| CN108462354A (en) * | 2017-02-22 | 2018-08-28 | 日本电产精密株式会社 | Vibrating motor |
| CN112187004A (en) * | 2020-10-15 | 2021-01-05 | 苏州索迩电子技术有限公司 | Broadband motor |
| CN112243188A (en) * | 2019-07-19 | 2021-01-19 | 歌尔股份有限公司 | Transducer magnetic circuit structure, transducer and electronic equipment thereof |
| CN117412226A (en) * | 2023-02-21 | 2024-01-16 | 东莞市惟动智能科技有限公司 | Moving coil vibrator with parallel magnetic coils and push-pull nonlinear cancellation function and application thereof |
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2016
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133152A1 (en) * | 2016-02-05 | 2017-08-10 | 歌尔声学股份有限公司 | Linear vibration motor |
| US11469656B2 (en) | 2016-02-05 | 2022-10-11 | Goertek Inc. | Linear vibrating motor |
| CN106655696A (en) * | 2016-11-30 | 2017-05-10 | 歌尔股份有限公司 | Linear vibration motor |
| CN108462351A (en) * | 2017-02-22 | 2018-08-28 | 日本电产精密株式会社 | Vibrating motor |
| CN108462354A (en) * | 2017-02-22 | 2018-08-28 | 日本电产精密株式会社 | Vibrating motor |
| CN107147267A (en) * | 2017-05-18 | 2017-09-08 | 歌尔股份有限公司 | Linear vibration motor |
| CN107147267B (en) * | 2017-05-18 | 2023-11-24 | 歌尔股份有限公司 | Linear vibration motor |
| CN112243188A (en) * | 2019-07-19 | 2021-01-19 | 歌尔股份有限公司 | Transducer magnetic circuit structure, transducer and electronic equipment thereof |
| CN112243188B (en) * | 2019-07-19 | 2023-04-14 | 歌尔股份有限公司 | Transducer magnetic circuit structure, transducer and electronic equipment thereof |
| CN112187004A (en) * | 2020-10-15 | 2021-01-05 | 苏州索迩电子技术有限公司 | Broadband motor |
| CN112187004B (en) * | 2020-10-15 | 2021-08-03 | 苏州索迩电子技术有限公司 | Broadband motor |
| CN117412226A (en) * | 2023-02-21 | 2024-01-16 | 东莞市惟动智能科技有限公司 | Moving coil vibrator with parallel magnetic coils and push-pull nonlinear cancellation function and application thereof |
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| C14 | Grant of patent or utility model | ||
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |