CN109597182A - Lens drive motor, camera and mobile terminal apparatus - Google Patents
Lens drive motor, camera and mobile terminal apparatus Download PDFInfo
- Publication number
- CN109597182A CN109597182A CN201811614806.4A CN201811614806A CN109597182A CN 109597182 A CN109597182 A CN 109597182A CN 201811614806 A CN201811614806 A CN 201811614806A CN 109597182 A CN109597182 A CN 109597182A
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- CN
- China
- Prior art keywords
- frame
- drive motor
- lens drive
- magnetite
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
Abstract
The present invention provides a kind of lens drive motor, camera and mobile terminal apparatus.Wherein, lens drive motor includes lens supports body, coil, frame assembly and multiple magnetites, coil is wound around on lens supports body and is arranged in frame assembly, multiple magnetites are between frame assembly and coil, and at least one magnetite is bending shape, wherein, frame assembly includes: frame body；Frame gasket, frame gasket is arranged on frame body and corresponding magnetite setting, frame gasket is made of magnetic conductive material, and the corner portion of the first end associated frame members ontology of the magnetite of bending shape, at least part of frame gasket are located at the corner portion of frame body to cover the first end of the magnetite of bending shape.The present invention solves the problems, such as that the driving of lens drive motor is hypodynamic in the prior art.
Description
Technical field
The present invention relates to apparatus for making a video recording technical fields, eventually in particular to a kind of lens drive motor, camera and movement
End device.
Background technique
Due to the lightening construction of mobile terminal apparatus common demands of mobile phone etc., to the motor under set outer dimension
Design proposes requirements at the higher level, and the motor of slimming is difficult to generally meet various performance requirements.Wherein obvious one of problem is,
Motor design is thinner, and the driving force for often driving camera lens mobile also seems more insufficient.
On the other hand, to obtain the image taking effect of high-resolution, to the pick-up lens mounted such as mobile phone and camera
It is required that also higher and higher, at present to compared with macro lens being to obtain HD image relatively directly and effective mode in camera configuration.
It is well known that the driving force request of driving camera lens also can be higher needed for the camera lens carried is bigger.However, before mobile phone slimming
It puts, the motor research and development of large driving force suffer from certain limitation, it is difficult to effectively by greater weight lens driving to ideal
Position, eventually affect the imaging effect of image.
It can be seen from the above, lens drive motor, which exists in the prior art, drives hypodynamic problem.
Summary of the invention
The main purpose of the present invention is to provide a kind of lens drive motor, camera and mobile terminal apparatus, existing to solve
There is lens drive motor in technology to drive hypodynamic problem.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of lens drive motor, including lens
Supporter, coil, frame assembly and multiple magnetites, coil is wound around on lens supports body and is arranged in frame assembly, multiple
Magnetite is between frame assembly and coil, and at least one magnetite is bending shape, wherein frame assembly includes: frame sheet
Body；Frame gasket, frame gasket is arranged on frame body and corresponding magnetite setting, and frame gasket is made of magnetic conductive material,
And the corner portion of the first end associated frame members ontology of the magnetite of bending shape, at least part of frame gasket are located at frame body
Corner portion is to cover the first end of the magnetite of bending shape.
Further, frame gasket be SUS400 series material be made or SPCC material made of；And/or frame body is
Plastics.
Further, frame gasket is multiple, and multiple frame gaskets are arranged in a one-to-one correspondence with multiple magnetites.
Further, magnetite is two, and two magnetites are bending shapes, and the first end of two magnetites is located at frame
Two be arranged diagonal the corner portion of ontology, frame gasket are one and the structure that is in U-shape, the both ends of the opening of U-shaped structure
Equal bending is with the corner of associated frame members ontology.
Further, capacitor escape port and Hall are offered on the straight section of the corresponding frame body of opening of U-shaped structure
Chip installing port, lens drive motor further include pcb board, and pcb board is provided with capacitor and Hall chip, and capacitor is accommodated in capacitor and keeps away
It allows at mouth, Hall chip is set at Hall chip installing port.
Further, at least part insertion frame body of frame gasket.
Further, the corner portion of frame body has the slot for fixed frame gasket, the straight section of frame body
The part of corresponding magnetite opens up notch, so that frame gasket is exposed.
Further, support plate is formed at the corresponding straight section of notch, at least part of support plate is used to support magnetite.
Further, lens drive motor further includes upper spring, and upper spring is arranged on frame body, and frame body
The side at straight section towards the center of frame body has evacuation recess, to avoid the movement of interference upper spring.
Further, the corner portion of support plate associated frame members ontology, which has, accepts convex ribs, accepts convex ribs and supports magnetite.
Further, frame body has the clamping recess portion being clamped with the first end of magnetite.
Further, lens drive motor further includes shell, and shell is located at the outside of frame assembly, and frame body court
There is at least one tree lace slot to the surface of shell.
Further, lens drive motor further include: lower spring, overhang are welded on lower spring, lower spring tool
There are multiple end feets, and end feet is electrically connected with pcb board；Pedestal, lower spring are set on the base, and end feet is caught in the location structure of pedestal
It is interior.
Further, in the axial direction of the lens drive motor, the height of frame gasket is higher than magnetite, and frame pad
Foot face of the height of piece lower than the corner portion of frame body.
Further, location structure is the lateral location indentations for being provided with pedestal.
According to another aspect of the present invention, a kind of camera is provided, including above-mentioned lens drive motor.
According to another aspect of the present invention, a kind of mobile terminal apparatus is provided, including above-mentioned camera.
Further, mobile terminal apparatus includes at least one of mobile phone, mobile information terminal and laptop.
It applies the technical scheme of the present invention, the lens drive motor in the application includes lens supports body, coil, frame set
Part and multiple magnetites, coil are wound around on lens supports body and are arranged in frame assembly, multiple magnetites be located at frame assembly with
Between coil, and at least one magnetite is bending shape.Wherein, frame assembly includes frame body and frame gasket.Frame pad
Piece is arranged on frame body and the setting of corresponding magnetite, and frame gasket is made of magnetic conductive material, and the of the magnetite of bending shape
The corner portion of one end associated frame members ontology, at least part of frame gasket are located at the corner portion of frame body to cover bending shape
Magnetite first end.
Using above structure lens drive motor when, due to joined frame gasket in frame assembly, to make frame
Frame gasket can integrally surround multiple magnetites.And since frame gasket is made of magnetic conductive material, so greatly solving
The dissipation problem in the magnetic field of magnetite reduces lens drive motor so that magnetic field is improved the case where dissipation
Magnetic flux leakage, to form magnetic field shielding effect.After shielding, magnetic field strength can be made further to be promoted on the original basis.
I.e. when being passed through same electric current, electromagnetic force is obviously improved, and then has greatly improved the driveability of lens drive motor,
So that lens drive motor can generate biggish driving force under the function of current of very little, energy consumption is advantageously reduced.Effectively
Solve the problems, such as that the driving of lens drive motor is hypodynamic in the prior art.And it due to the increase of driving force, is driven for lens
Motor design miniaturises, it is lightening create advantage, and then more frivolous lens driving horse can be designed
It reaches, improves aesthetics.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the lens drive motor of a specific embodiment according to the present invention；
Fig. 2 shows the schematic diagram of internal structures of the lens drive motor in Fig. 1；
Fig. 3 shows the explosive view of the lens drive motor in Fig. 1；
Fig. 4 shows the frame assembly of the inside of the lens drive motor in Fig. 1 and the positional diagram of magnetite；
Fig. 5 shows the position of the shell of the lens drive motor in Fig. 1, magnetite, frame assembly, pcb board and upper spring
Set relation schematic diagram；
Fig. 6 shows the position between the lens supports body, lower spring and pedestal of the inside of the lens drive motor in Fig. 1
Set relation schematic diagram；
Fig. 7 shows the position of the frame gasket of the inside of the lens drive motor in Fig. 1, magnetite, coil and pcb board
Relation schematic diagram；
Fig. 8 shows the structural schematic diagram of the frame body of the inside of the lens drive motor in Fig. 1；
Fig. 9 shows the position between the frame assembly, magnetite and pcb board of the inside of the lens drive motor in Fig. 1
Relation schematic diagram；
Figure 10 shows the pcb board of the inside of the lens drive motor in Fig. 1, coil, hall magnet, Hall chip and suddenly
The positional diagram of your gasket；
Figure 11 shows the pedestal of the inside of the lens drive motor in Fig. 1 and the positional diagram of lower spring；
The positional relationship of lens supports body and coil that Figure 12 shows the inside of the lens drive motor in Fig. 1 is illustrated
Figure；
Figure 13 shows the upper spring of the inside of the lens drive motor in Fig. 1 and the positional relationship of frame body is illustrated
Figure.
Wherein, the above drawings include the following reference numerals:
10, lens supports body；11, glue hole is stored up；12, positioning column；20, coil；30, frame assembly；31, frame body；
311, capacitor escape port；312, Hall chip installing port；313, slot；314, support plate；3141, evacuation recess；315, it accepts
Convex ribs；316, it is clamped recess portion；317, tree lace slot；32, frame gasket；40, magnetite；50, pcb board；51, capacitor；52, Hall core
Piece；53, scolding tin hole；60, upper spring；61, suspension arm；62, dispensing hole；70, shell；71, flange；80, lower spring；81, end feet；
82, rivet hot hole；83, location hole；90, pedestal；91, location structure；92, flange interface；100, rivet hot column；110, Hall gasket；
120, hall magnet；130, Upper gasket；140, foot face.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Equally
Ground for ease of understanding and describes, and " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is not
For limiting the present invention.
In order to solve the problems, such as that lens drive motor driving in the prior art is hypodynamic, the present invention provides a kind of lens
Drive motor, camera and mobile terminal apparatus.
Wherein, camera has following lens drive motors, and mobile terminal apparatus has the camera.
Optionally, mobile terminal apparatus includes at least one of mobile phone, mobile information terminal and laptop.
As shown in Fig. 1 to 13, the lens drive motor in the application includes lens supports body 10, coil 20, frame assembly
30 and multiple magnetites 40, coil 20 be wound around on lens supports body 10 and be arranged in frame assembly 30, multiple magnetites 40 are located at
Between frame assembly 30 and coil 20, and at least one magnetite 40 is bending shape.Wherein, frame assembly 30 includes frame body
31 and frame gasket 32.Frame gasket 32 is arranged on frame body 31 and corresponding magnetite 40 is arranged, and frame gasket 32 is magnetic conduction
Property material is made, and the corner portion of the first end associated frame members ontology 31 of the magnetite 40 of bending shape, and at least the one of frame gasket 32
Part is located at the corner portion of frame body 31 to cover the first end of the magnetite 40 of bending shape.
Using above structure lens drive motor when, due to joined frame gasket 32 in frame assembly 30, thus
Enable frame gasket 32 by the whole encirclement of multiple magnetites 40.And since frame gasket 32 is made of magnetic conductive material, so
It greatly solves the problems, such as the dissipation in the magnetic field of magnetite 40, so that magnetic field is improved the case where dissipation, reduces
The magnetic flux leakage of mirror drive motor, to form magnetic field shielding effect.After shielding, magnetic field strength can be made on the original basis
Further promoted.I.e. when being passed through same electric current, electromagnetic force is obviously improved, and then has greatly improved lens drive motor
Driveability advantageously reduced so that lens drive motor can generate biggish driving force under the function of current of very little
Energy consumption.Efficiently solve the problems, such as that the driving of lens drive motor is hypodynamic in the prior art.And due to the increase of driving force,
Miniaturised for the design of lens drive motor, it is lightening create advantage, and then can design more frivolous
Lens drive motor improves aesthetics.
Specifically, it is adhesively fixed between 32 contact portion of magnetite and frame gasket with glue.
Specifically, the magnetic conductive material for making frame gasket 32 is high magnetic conductive material.High magnetic conductive material can be effective
Shielding action is played, so that the leakage field of magnetite 40 is very small, it is insufficient largely to improve lens drive motor internal drive power
The problem of, magnetic field shielding effect had both been enhanced, the driving force of lens drive motor is also promoted.
Optionally, frame gasket 32 be SUS400 series material be made or SPCC material made of.
Optionally, frame body 31 is plastics.
Optionally, SUS400 series includes SUS430, SUS420J2, SUS440A, SUS410L etc..It is specific real at one
It applies in example, the making material of frame gasket 32 is soft state stainless steel, i.e. SUS430.
Since SUS400 series material or SPCC material have the function of anti-leakage field, can also have with antistatic to magnetite 40
There is protective effect well, be conducive to improve the magnetic field strength between magnetite 40 and coil 20, increases the driving force of motor, and at
This is lower.It should be noted that the material of production frame gasket 32 is not limited only to SPCC or SUS material, as long as can satisfy
The performance of SPCC material plays positive effect to leakproof magnetic property, all can be used as material selected by frame gasket 32 of the invention
Verify as column.
Optionally, frame gasket 32 is multiple, and multiple frame gaskets 32 are arranged in a one-to-one correspondence with multiple magnetites 40.Work as setting
When multiple frame gaskets 32 are corresponded with multiple magnetites 40, in this way while protecting 40 magnetic field of magnetite to dissipate, moreover it is possible to can be with
The use to frame gasket 32 is reduced, to mitigate the whole weight of lens drive motor, so that lens drive motor is more
It is frivolous.
As shown in Fig. 3 to Fig. 5, Fig. 7, Fig. 9, magnetite 40 is two, and two magnetites 40 are bending shape, two magnetites 40
First end be located at two be arranged diagonal the corner portion of frame body 31, frame gasket 32 is one and the knot that is in U-shape
Structure, the equal bending in the both ends of the opening of U-shaped structure is with the corner of associated frame members ontology 31.By the way that magnetite 40 is arranged to bending
Shape increases the effective active area between magnetite 40 and coil 20, is conducive to the driving effect for enhancing lens drive motor, and
The structure that is in U-shape is arranged in frame gasket 32, facilitates reduction portion material in this way, but also facilitate processing and forming.And U-shaped structure has
Conducive to connection of the frame gasket 32 in frame body 31, and improve the stability of its positioning and fixing.
As shown in Fig. 8 to Figure 10, capacitor evacuation is offered on the straight section of the corresponding frame body 31 of opening of U-shaped structure
Mouth 311 and Hall chip installing port 312, lens drive motor further include pcb board 50, and pcb board 50 is provided with capacitor 51 and Hall
Chip 52, capacitor 51 are accommodated at capacitor escape port 311, and Hall chip 52 is set at Hall chip installing port 312.In this way, making
It obtains pcb board reasonably to be arranged with frame gasket 32, neither will increase the volume of lens drive motor, but also the cloth of the two
It sets there is no interfering, so that the arrangement of lens drive motor inner part is more reasonable.
In specific embodiment as shown in FIG. 6, lens drive motor further includes hall magnet 120 and Hall gasket 110, suddenly
You are arranged on lens supports body 10 on position corresponding with Hall chip 52 magnetite 120；Hall gasket 110 is arranged in Hall
Between magnetite 120 and lens supports body 10.Hall chip 52 is changed by incuding the magnetic field power that hall magnet 120 produces,
It can be detected out lens module change in location and export electric signal.Control unit carries out operation after receiving the signal, exports simultaneously
For signal to control the size of current being applied on coil 20, control lens module stop is held in correct position, final to realize
Quickly, the purpose precisely focused.
Optionally, the pcb board 50 in the application is flexible PCB, i.e. FPCB plate.
The operation logic of lens drive motor of the invention: Hall chip 52 incudes hall magnet 120 and makees digital signal mode
Quasi- feedback, compares specified digital analogue signal output and corresponding stroke positional relationship forms relevance linear dimensions, this is associated with
Parameter defaults in memory.In this way, lens drive motor can call directly memory intrinsic parameter in the process of running, subtract significantly
Operation time in few lens drive motor operational process.
Lens drive motor concrete application of the invention are as follows: Hall chip 52 incudes 120 position of hall magnet output number
Analog electrical signal, control unit are subject to calculation process to the electric signal, are fed back by the control of output signal to coil 20 and are applied
Corresponding size of current can drive lens supports body 10 precisely quickly to run on the point of image imaging effect optimum position.
Optionally, at least part insertion frame body 31 of frame gasket 32.It is arranged in this way, frame can be made
It is bonded more stable between gasket 32 and frame body 31, so as to reduce the seam between frame gasket 32 and magnetite 40
Gap more efficiently avoids the dissipation in 40 magnetic field of magnetite.
Certainly, the integrated molding processing side of INSERT-MOLDING can be used between frame gasket 32 and frame body 31
Formula.
Optionally, the corner portion of frame body 31 has the slot 313 for fixed frame gasket 32, frame body 31
The part that straight section corresponds to magnetite 40 opens up notch, so that frame gasket 32 is exposed.It is arranged in this way, can not only guarantees frame
Frame gasket 32 can more easily be embedded into frame body 31, but also can reduce the integral thickness of frame assembly 30, from
And it is easier to realize the lightening of lens drive motor.
Specifically, support plate 314 is formed at the corresponding straight section of notch, at least part of support plate 314 is used to support
Magnetite 40.It is arranged in this way, frame body 31 can be allow effectively to be supported positioning to frame gasket 32, and guarantee
Frame gasket 32 can in the height direction block magnetite 40, prevent from generating between frame gasket 32 and magnetite 40 opposite
Movement, to guarantee that frame gasket 32 can be effectively prevented the dissipation of magnetite magnetic field.
Specifically, in the axial direction of lens drive motor, the height of frame gasket 32 is higher than magnetite 40, and frame gasket
Foot face 140 of 32 height lower than the corner portion of frame body 31.To be further ensured that the maximum for accomplishing magnetic field shielding effect
Change, the height of frame gasket 32 can be made to the height not less than magnetite 40 in the horizontal direction, to be no more than frame body
31 four foot faces 140 are advisable.
As shown in Figure 3 and Figure 5, lens drive motor further includes upper spring 60, and upper spring 60 has suspension arm 61, upper bullet
Spring 60 be arranged on frame body 31, and the straight section of frame body 31 towards the center of frame body 31 each side have it is more
A evacuation recess 3141, for avoiding suspension arm 61, to avoid upper spring 60 inner ring portion in lens supports body 10 to optical axis side
Under being driven to the stretching of (pedestal direction) actuation, the inner ring straight flange portion (i.e. suspension arm 61) of upper spring 60 and frame body straight flange
Portion's phase frictional interference, influences motor performance.It is arranged in this way, frame body 31 can be made when upper spring 60 moves, passed through
Evacuation recess 3141 steps down to the suspension arm 61 of upper spring 60, prevents from generating between frame body 31 and upper spring 60 mutual
Interference can also make motor tend to miniaturization setting.Specifically, the corner portion of 314 associated frame members ontology 31 of support plate, which has, accepts
Convex ribs 315 accept convex ribs 315 and support magnetite 40.Convex ribs 315 are accepted by setting to be supported magnetite 40, it can be effectively
The stability for guaranteeing magnetite 40 prevents magnetite 40 from generating shaking, and then ensures that lens drive motor being capable of steady operation.
Specifically, frame body 31 has the clamping recess portion 316 being clamped with the first end of magnetite 40.It is arranged in this way,
It can enable frame body 31 that magnetite 40 is fixed from multi-angle, be further ensured that the installation of magnetite 40 is stablized
Property.
As shown in Figure 1, Figure 2 and shown in Fig. 8, lens drive motor further includes shell 70, and shell 70 is located at frame assembly 30
Outside, and frame body 31 towards the surface of shell 70 have at least one tree lace slot 317.By in 31 direction of frame body
Tree lace slot 317 is set at the surface of shell 70, can be during frame body 31 and shell 70 bond, it can be by glue
317 inside injecting glue of wire casing realizes the bonding of frame body 31 Yu shell 70.It efficiently avoids to frame body 31 and outside
Gap is generated between frame body 31 and shell 70 after carrying out injecting glue between shell 70, so make frame body 31 and shell 70 it
Between structure it is more compact.
Optionally, Upper gasket 130 is additionally provided between upper spring 60 and shell 70.It is provided in this way and is conducive to promote upper spring
60 flatness placed.If upper spring 60 is directly installed into 70 bottom of shell, small out-of-flatness is had, driveability is produced
It is raw to influence.
In this application, in order to facilitate the assembling of lens drive motor, dispensing hole 62 is additionally provided in upper spring 60.With point
Glue hole 62 is corresponding, and the upper surface of lens supports body 10 is provided with storage glue hole 11.By to 62 dispensing of dispensing hole, so that upper bullet
Spring 60 is bonded together with lens supports body 10.It is equipped with positioning column 12 in 10 lower end surface of lens supports body, correspondingly, in lower bullet
It is provided with the location hole 83 matched with positioning column 12 at spring 80, connects lower spring 80 with lens supports body 10
It picks up and.Lens supports body 10 by upper spring 60 and lower spring 80 support it is clamping live.Also, it is also provided with and turns on shell 70
Side 71, and the flange interface 92 matched with flange 71 is provided on lens supports body 10.Flange interface 92 and flange 71 are inserted
It connects chimeric, has the function of axial antitorque limit.
Specifically, lens drive motor further includes lower spring 80 and pedestal 90.The end of coil 20 is welded on lower spring 80
On, lower spring 80 has multiple end feets 81, and end feet 81 is electrically connected with pcb board 50；Lower spring 80 is arranged on pedestal 90, end feet
81 are caught in the location structure 91 of pedestal 90.By the way that end feet 81 is arranged on lower spring 80, can pass through after end feet 81 connects electricity
Lower spring 80 realizes electrical connection, that is, realizes the integrated molding of end feet Yu lower spring, reduces the portion of lens drive motor
Number of packages amount improves the installation effectiveness of lens drive motor.
Also, end feet 81 and pcb board 50 are bonded for convenience, provided with scolding tin hole 53 also on pcb board 50, so as to
Enough enable the end feet 81 of lower spring 80 be conducted with pcb board 50 to connect.Specific mode of operation is, in the scolding tin of pcb board 50
Solder(ing) paste is clicked and entered in hole 53, then implements laser scolding tin.
Specifically, location structure 91 is the lateral location indentations for being provided with pedestal 90.It is arranged in this way, can makes to hold
It is fixed between foot 81 and pedestal 90 by location indentations, so that lower spring 80 be enable more to be firmly secured at pedestal 90
On.
In the specific embodiment shown in Fig. 1 to Figure 12, lower spring 80 is used to support the lower end surface of lens supports body 10, thoroughly
Mirror supporter 10, coil 20, frame assembly 30, upper spring 60, lower spring 80 and magnetite 40 are respectively positioned in accommodating space.Pedestal 90
It is used to support lens supports body 10, coil 20 and lower spring 80, is lens supports under the collective effect of pedestal 90 and shell 70
Body 10, coil 20, frame assembly 30, upper spring 60, lower spring 80 and magnetite 40 provide accommodating space, while can play protection
The effect of internal component.Four foot faces of frame body 31 and four foot faces of pedestal 90 are opposite to abutting setting, shell
70 are wrapped circumferentially around frame body 31 and pedestal 90.Setting structure is simple in this way, easy to operate, and assembly effect is good, reliability
It is strong with stability.
In addition, 40 phase of magnetite being arranged in pairs 180 degree each other, in being arranged oppositely, after being passed through electric current to coil 20, coil
Electromagnetic force will be generated between 20 and magnetite 40, according to Fleming lefft-hand rule, since the effect of electromagnetic force drives lens supports
Body 10 moves linearly along camera lens optical axis direction, and lens supports body 10 finally stays in the electricity generated between coil 20 and magnetite 40
The resultant force of magnetic force and upper spring 60 and the elastic force of lower spring 80 reaches location point when phase equilibrium state.By logical to coil 20
Enter set electric current, it is controllable that lens supports body 10 is made to be moved to target position, to achieve the purpose that focusing.
In specific embodiment shown in Fig. 3, there is pedestal 90 center evacuation opening and dust ring, dust ring to keep away along center
Allow the circumferentially extending of opening.Lens supports body 10 has an accommodating cavity, dust ring protrude into the accommodating cavity of lens supports body 10 and with
The contactless property dislocation of accommodating cavity combines, and good dustproof effect can be played, to be cooperated with lens supports body 10.
As shown in figure 11, the corner portion of pedestal 90 is additionally provided with multiple rivet hot columns, is provided on lower spring 80 and rivet hot column
Corresponding rivet hot hole, in this way, during lower spring 80 is fixed on pedestal 90, additionally it is possible to by rivet hot column with
The cooperation in rivet hot hole is fixed.It can be seen from the above description that the above embodiments of the present invention realize following technology
Effect:
1, the frame gasket 32 made of being arranged the magnetite 40 and high magnetic conductive material of bent, solves magnetite magnetic
The dissipation problem of field, and greatly improve the driveability of lens drive motor；
2, lens drive motor is made more to minimize, is lightening；
3, since the magnetic field strength of magnetite increases, application smaller current, which can be realized, drives camera lens to reach designated position point.
Low current motor can be developed, mobile telephone power consumption is reduced；
4, the lens drive motor structure in the application is simple, ease of assembly.
Obviously, above-mentioned the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of lens drive motor, which is characterized in that including lens supports body (10), coil (20), frame assembly (30) and
Multiple magnetites (40), the coil (20) are wound around on the lens supports body (10) and are arranged in the frame assembly (30)
Interior, the multiple magnetite (40) is between the frame assembly (30) and the coil (20), and at least one described magnetite
It (40) is bending shape, wherein the frame assembly (30) includes:
Frame body (31)；
Frame gasket (32), the frame gasket (32) is arranged on the frame body (31) and the corresponding magnetite (40) sets
It sets, the frame gasket (32) is made of magnetic conductive material, and the first end of the magnetite (40) of bending shape corresponds to the frame
The corner portion of frame ontology (31), at least part of the frame gasket (32) be located at the corner portion of the frame body (31) with
Cover the first end of the magnetite (40) of bending shape.
2. lens drive motor according to claim 1, which is characterized in that
The frame gasket (32) be SUS400 series material be made or SPCC material made of；And/or
The frame body (31) is plastics.
3. lens drive motor according to claim 1, which is characterized in that the frame gasket (32) be it is multiple, it is multiple
The frame gasket (32) is arranged in a one-to-one correspondence with multiple magnetites (40).
4. lens drive motor according to claim 1, which is characterized in that the magnetite (40) is two, described in two
Magnetite (40) is bending shape, and what the first end of two magnetites (40) was located at the frame body (31) is in diagonal
Two corner portions of arrangement, the frame gasket (32) are one and the structure that is in U-shape, the both ends of the opening of the U-shaped structure
Equal bending is with the corner of the correspondence frame body (31).
5. lens drive motor according to claim 4, which is characterized in that the opening of the U-shaped structure is corresponding described
Capacitor escape port (311) and Hall chip installing port (312), the lens driving are offered on the straight section of frame body (31)
Motor further includes pcb board (50), and the pcb board (50) is provided with capacitor (51) and the Hall chip (52), the capacitor
(51) it is accommodated at the capacitor escape port (311), the Hall chip (52) is set in the Hall chip installing port (312)
Place.
6. lens drive motor according to claim 1, which is characterized in that at least part of the frame gasket (32)
It is embedded in the frame body (31).
7. lens drive motor according to claim 6, which is characterized in that the corner portion of the frame body (31) has
For fixing the slot (313) of the frame gasket (32), the straight section of the frame body (31) corresponds to the magnetite (40)
Part open up notch so that the frame gasket (32) is exposed.
8. lens drive motor according to claim 7, which is characterized in that shape at the corresponding straight section of the notch
At support plate (314), at least part of the support plate (314) is used to support the magnetite (40).
9. lens drive motor according to claim 8, which is characterized in that the lens drive motor further includes upper spring
(60), the upper spring (60) is arranged on the frame body (31), and the straight section court of the frame body (31)
There are evacuation recess (3141) to the side at the center of the frame body (31), to avoid the fortune for interfering the upper spring (60)
It is dynamic.
10. lens drive motor according to claim 8, which is characterized in that the corresponding frame of the support plate (314)
The corner portion of ontology (31), which has, accepts convex ribs (315), and the undertaking convex ribs (315) support the magnetite (40).
11. lens drive motor according to any one of claim 1 to 10, which is characterized in that the frame body
(31) there is the clamping recess portion (316) being clamped with the first end of the magnetite (40).
12. lens drive motor according to any one of claim 1 to 10, which is characterized in that the lens drive horse
Up to further including shell (70), the shell (70) is located at the outside of the frame assembly (30), and the frame body (31)
There is at least one tree lace slot (317) towards the surface of the shell (70).
13. lens drive motor according to any one of claim 1 to 10, which is characterized in that the lens drive horse
It reaches further include:
Lower spring (80), the end of the coil (20) are welded on the lower spring (80), and the lower spring (80) has more
A end feet (81), and the end feet (81) is electrically connected with pcb board (50)；
Pedestal (90), the lower spring (80) are arranged on the pedestal (90), and the end feet (81) is caught in the pedestal (90)
Location structure (91) in.
14. lens drive motor according to claim 13, which is characterized in that the location structure (91) is is provided with
State the lateral location indentations of pedestal (90).
15. lens drive motor according to claim 1, which is characterized in that in the axial direction of the lens drive motor,
The height of the frame gasket (32) is higher than the magnetite (40), and the height of the frame gasket (32) is lower than the frame
The foot face (140) of the corner portion of ontology (31).
16. a kind of camera, which is characterized in that including lens drive motor described in any one of claims 1 to 15.
17. a kind of mobile terminal apparatus, which is characterized in that including the camera described in claim 16.
18. mobile terminal apparatus according to claim 17, which is characterized in that the mobile terminal apparatus include mobile phone,
At least one of mobile information terminal and laptop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614806.4A CN109597182A (en) | 2018-12-27 | 2018-12-27 | Lens drive motor, camera and mobile terminal apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614806.4A CN109597182A (en) | 2018-12-27 | 2018-12-27 | Lens drive motor, camera and mobile terminal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109597182A true CN109597182A (en) | 2019-04-09 |
Family
ID=65963742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811614806.4A Pending CN109597182A (en) | 2018-12-27 | 2018-12-27 | Lens drive motor, camera and mobile terminal apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109597182A (en) |
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| CN110985574A (en) * | 2019-12-25 | 2020-04-10 | 新思考电机有限公司 | Planar spring, camera lens driving device, camera and electronic equipment |
| CN114285242A (en) * | 2021-12-30 | 2022-04-05 | 上海比路电子股份有限公司 | Iris diaphragm drive motor, imaging device, and electronic apparatus |
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