CN108828747A - Lens drive motor, lens drive motor assembly, camera and mobile terminal apparatus - Google Patents
Lens drive motor, lens drive motor assembly, camera and mobile terminal apparatus Download PDFInfo
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- CN108828747A CN108828747A CN201810961619.7A CN201810961619A CN108828747A CN 108828747 A CN108828747 A CN 108828747A CN 201810961619 A CN201810961619 A CN 201810961619A CN 108828747 A CN108828747 A CN 108828747A
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- drive motor
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 104
- 230000005291 magnetic effect Effects 0.000 claims abstract description 81
- 230000005405 multipole Effects 0.000 claims abstract description 14
- 230000005415 magnetization Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 26
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 19
- 239000004020 conductor Substances 0.000 description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005292 diamagnetic effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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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
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Lens Barrels (AREA)
Abstract
The present invention provides a kind of lens drive motor, lens drive motor assembly, camera and mobile terminal apparatus.Wherein, lens drive motor, including shell, lens supports body, coil and magnetite component, coil is wound around on lens supports body and is arranged inside the shell, and magnetite component is arranged between lens supports body and shell, wherein, magnetite component includes multiple sub- magnetites, and sub- magnetite is multipole magnetization magnetite.The present invention solves the problems, such as that the magnetic disturbance of lens drive motor in the prior art is to be improved.
Description
Technical field
The present invention relates to apparatus for making a video recording technical fields, in particular to a kind of lens drive motor, lens drive motor
Component, camera and mobile terminal apparatus.
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 fruit, eventually affect the imaging effect of image.
For the photographic effect for improving camera, double motors of taking the photograph gradually are developed, and are used in various middle and high end mobile phones, but real
Border takes the photograph motor to there is a degree of magnetic disturbance to each other existing there are certain puzzlement difficult point, especially two are double during using
As influencing double normal performances for taking the photograph motor effect.
That is, the magnetic disturbance of lens drive motor is to be improved.
Summary of the invention
The main purpose of the present invention is to provide a kind of lens drive motor, lens drive motor assembly, camera and movements
Terminal installation, the magnetic disturbance to solve the problems, such as lens drive motor in the prior art are to be improved.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of lens drive motor, including it is outer
Shell, lens supports body, coil and magnetite component, coil are wound around on lens supports body and are arranged inside the shell, and magnetite component is set
It sets between lens supports body and shell, wherein magnetite component includes multiple sub- magnetites, and sub- magnetite is multipole magnetization magnetite.
Further, sub- magnetite is that quadrupole magnetizes magnetite, and the middle part of sub- magnetite is with no magnetic area.
Further, the height of no magnetic area is more than or equal to 0.2 millimeter and is less than or equal to 0.5 millimeter.
Further, coil is two groups, and two groups of coils are wound around on lens supports body and in the height of lens supports body
Setting is spaced on direction, one group of coil and the upper portion of no magnetic area be correspondingly arranged, another group of coil and without under magnetic area
Side section is correspondingly arranged.
Further, lens supports body has the muscle for separating two groups of coils.
Further, the height of the upper portion of no magnetic area is greater than the height of the lower portion without magnetic area.
Further, the upper surface of lens supports body also has the grafting recess mating with the flange of shell, grafting
Recess is all round closure type indentations.
Further, lens supports body also have towards sub- magnetite stretch out stop part, stop part towards sub- magnetite one
Side surface is stop surface, stop surface and sub- magnetite counter stopper to prevent lens supports body from deflecting.
Further, the corner portion of sub- magnetite is provided with mark structure.
Further, mark structure is that the unfilled corner of the corner portion of sub- magnetite is arranged in.
Further, multiple sub- magnetites are separately positioned in one group of side wall being oppositely arranged of shell.
Further, shell is made on the position for being correspondingly arranged on sub- magnetite of the first material；Shell is at no pair
It answers and is made on the position of sub- magnetite of the second material, and the magnetic conductivity of the first material is higher than the magnetic conductivity of the second material.
Further, the first material is SUS400 series or SPCC；And/or second material be SUS305.
Further, lens drive motor further includes：Upper spring, upper spring are provided with the first error-proof structure；Frame, frame
It is provided with the second error-proof structure, the first error-proof structure is installed in place upper spring with frame with the cooperation of the second error-proof structure, upper bullet
Spring and frame are respectively positioned in shell.
Further, the first error-proof structure is located at the outer ring side of upper spring.
Further, the first error-proof structure is the aligning receptacle being arranged in upper spring；Second error-proof structure is that setting exists
Positioning protrusion on frame, positioning protrusion can be embedded in aligning receptacle.
Further, lens drive motor further includes flexible circuit board, flexible circuit board be arranged on the side wall of shell and
It is stretched out from inside to outside by shell.
Further, the side wall of the shell of flexible circuit board is drawn as installation positioning surface, is installed and is not provided at positioning surface
There is sub- magnetite, flexible circuit board is entirely located at installation positioning surface.
Further, the side wall of the shell of flexible circuit board is drawn as installation positioning surface, is installed and is not provided at positioning surface
There is sub- magnetite, the shell side wall adjacent with installation positioning surface is terminal lead surface, after flexible circuit board is drawn by installation positioning surface
Bending simultaneously extends along terminal lead surface.
To achieve the goals above, according to another aspect of the present invention, a kind of lens drive motor assembly is provided, is wrapped
Multiple above-mentioned lens drive motors are included, without sub- magnetite in two neighboring lens drive motor side close to each other.
Further, lens drive motor is two, and two lens drive motors are set side by side, and each lens drive motor
Two sub- magnetites are inside provided with, two sub- magnetites are located in one group of side wall that lens drive motor is oppositely arranged.
To achieve the goals above, according to another aspect of the present invention, a kind of camera is provided, including：Above-mentioned is saturating
Mirror drive motor；Or above-mentioned lens drive motor assembly.
To achieve the goals above, according to another aspect of the present invention, a kind of mobile terminal apparatus is provided, including upper
The camera stated.
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, coil is wound around on lens supports body and is arranged inside the shell, and magnetite component is set
It sets between lens supports body and shell, wherein magnetite component includes multiple sub- magnetites, and sub- magnetite is multipole magnetization magnetite.
By using the sub- magnetite of multipole magnetization magnetite, the both ends magnetic line of force distribution area of multipole magnetization magnetite can be made
It more concentrates, so that the greater concentration of restriction in magnetic field is inside the shell, so as to reduce the leakage field of lens drive motor, avoids horse
Mutual magnetic disturbance between reaching is conducive to promote magnetic field strength, the driving force of motor can be greatly increased, so that in the electric current of very little
Biggish driving force can be generated under effect, advantageously reduces energy consumption, in addition, since magnetic field strength is effectively promoted, because
And can be by the more frivolous of magnetic field component design, and then more frivolous lens drive motor can be designed, it improves beautiful
Property.
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 lens drive motor in an alternative embodiment of the invention；
Fig. 2 shows the explosive views of Fig. 1；
Fig. 3 shows the structural schematic diagram of the sub- magnetite in Fig. 2；
Fig. 4 shows the main view of Fig. 3；
Fig. 5 shows the structural schematic diagram of the lens supports body in Fig. 2；
Fig. 6 shows the schematic diagram of another angle of the lens supports body in Fig. 5；
Fig. 7 shows the top view of Fig. 6；
Fig. 8 shows flexible circuit board in Fig. 2, shell, sub- magnetite, the positional diagram between upper spring；
Fig. 9 shows pedestal in Fig. 2, lower spring, sub- magnetite, lens supports body, the positional relationship signal between coil
Figure；
Figure 10 shows the positional diagram of sub- magnetite and coil in Fig. 9；
Figure 11 shows the side view of Figure 10；
Figure 12 shows the positional diagram of sub- magnetite and lens supports body in Fig. 1；
Figure 13 shows another alternative embodiment of the invention neutron magnetite and the positional relationship of lens supports body is illustrated
Figure；
Figure 14 shows double positional diagrams for taking the photograph motor of the invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, shell；11, flange；12, positioning surface is installed；13, terminal lead surface；20, lens supports body；21, muscle；22,
Grafting recess；23, stop part；231, stop surface；30, coil；31, lead；40, sub- magnetite；41, without magnetic area；42, mark knot
Structure；50, upper spring；51, the first error-proof structure；60, lower spring；70, pedestal；71, center evacuation opening；81, notch section；82,
Lug boss；90, frame；91, the second error-proof structure；100, flexible circuit board.
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.
Magnetic disturbance in order to solve the problems, such as lens drive motor in the prior art is to be improved, and the present invention provides one kind
Lens drive motor, lens drive motor assembly, camera and mobile terminal apparatus.Wherein, there are camera following lens to drive
Motor or lens drive motor assembly.Mobile terminal apparatus has the camera.
Optionally, mobile terminal apparatus includes at least one of mobile phone, mobile information terminal and laptop.
Embodiment one
As shown in Figure 1 to 11, lens drive motor includes shell 10, lens supports body 20, coil 30 and magnetite component,
Coil 30 is wound around on lens supports body 20 and is arranged in shell 10, and magnetite component is arranged in lens supports body 20 and shell 10
Between, wherein magnetite component includes multiple sub- magnetites 40, and sub- magnetite 40 is multipole magnetization magnetite.
By using the sub- magnetite 40 of multipole magnetization magnetite, the both ends magnetic line of force of multipole magnetization magnetite can be made to be distributed face
Product is more concentrated, and is limited in shell 10 so that magnetic field is greater concentration of, so as to reduce the leakage field of lens drive motor, is kept away
Exempt from the mutual magnetic disturbance between motor, is conducive to promote magnetic field strength, the driving force of motor can be greatly increased, so that in very little
Biggish driving force can be generated under the function of current, advantageously reduces energy consumption, in addition, since magnetic field strength is effectively mentioned
It rises, thus can be by the more frivolous of magnetic field component design, and then more frivolous lens drive motor can be designed, it improves
Aesthetics.
It should be noted that sub- magnetite 40 used in the present embodiment is the strip magnetite of monolith, the mode that magnetizes is " multipole
It magnetizes ".Compared with monopole magnetizes, the magnetite both ends magnetic line of force distribution area of multipole magnetization is more concentrated, and effectively avoids double taking the photograph horse
Mutual magnetic disturbance between reaching.
Optionally, sub- magnetite 40 is that quadrupole magnetizes magnetite, and the middle part of sub- magnetite 40 is with no magnetic area 41.Quadrupole magnetizes
The both ends magnetic line of force of magnetite distributes small, and the magnetic between two motors is smaller, interferes with each other small.In this way, two neighboring lens drive
The spacing of dynamic motor can be designed closer, space be saved, convenient for the miniaturization of the equipment such as mobile phone, especially suitable for taking the photograph motor double
Upper use.
By setting blank without magnetic area 41 so that lens drive motor during entire actuation, limit only with it is right
The electromagnetic action for answering coil to generate, prevents offside cross-inductive.It is such to be advantageous in that, it can remain lens drive motor
The consistency in electromagnetic force direction plays internal maximum driving force.It is that is, importing the mesh without magnetic area 41：To guarantee
For mover component in moving process, the electromagnetic force direction inside entire lens drive motor is always consistent.
As shown in Figure 2 and Figure 9, coil 30 is two groups, and two groups of coils 30 are wound around on lens supports body 20 and in lens
Setting is spaced in the short transverse of supporter 20, one group of coil 30 and the upper portion of no magnetic area 41 are correspondingly arranged, and another group
Coil 30 and the lower portion of no magnetic area 41 are correspondingly arranged.Two groups of coils 30 respectively corresponding top half without magnetic area 41 and
Lower half portion, so that corresponding effect generates the electromagnetic force of orientation consistency, avoids interfering with each other.
In Fig. 5, Fig. 6 and Fig. 9, lens supports body 20 has the muscle 21 for separating two groups of coils 30.By setting
Muscle 21 is set, upper and lower two groups of coils 30 can be effectively spaced apart, and guarantees the two in suitable installation site, to improve
The installation reliability of coil 30, and make the operation of lens drive motor relatively reliable.
In the specific embodiment shown in Figure 11, there is a lead to be mutually connected between two groups of coils 30, so that two groups of coils 30
It is internal to be connected each other in electrical resistance.Two groups of coils 30 are integrally set around on lens supports body 20.
The height of the upper portion without magnetic area 41 in the present invention (is asked greater than the height of the lower portion of no magnetic area 41
With reference to Fig. 3, Fig. 4 and Figure 11).It should be noted that this is the situation in a specific embodiment, and without the upper of magnetic area 41
The size of the height of side section, the height of lower portion without magnetic area 41 and the height without magnetic area 41, is driven by lens
The whole height of motor and effective active area is integrated determination between coil 30.That is, planning is reasonable
The height of upper portion without magnetic area 41, the height of lower portion without magnetic area 41 and the height without magnetic area 41, can
The space structure for saving lens drive motor to a certain degree makes lens drive motor tend to optimize thin type structure.
Specifically, the height without magnetic area 41, which is more than or equal to 0.2 millimeter, is less than or equal to 0.5 millimeter.Shown in Fig. 3 and Fig. 4
Specific embodiment in, the corner portion of sub- magnetite 40 be provided with mark structure 42.When in use due to multipole magnetization magnetite, to magnetic
Pole corresponding position has strict demand, thus sub- magnetite 40 is needed to be installed in a particular manner with position.It is identified by setting
Structure 42 can be convenient the installation site for determining sub- magnetite 40, can effectively avoid sub- magnetite 40 anti-dress in this way, and lead to coil
30 situations not corresponding with the upper and lower side section of sub- magnetite 40, to improve the installation accuracy and operation of lens drive motor
Reliability.
Specifically, mark structure 42 is that the unfilled corner of the corner portion of sub- magnetite 40 is arranged in.As shown in Fig. 2, when two sub- magnetic
When stone 40 is placed in shell 10, needs two unfilled corners of two sub- magnetites 40 to be respectively positioned on lower right side, be then sequentially placed on
In shell 10.
It should be noted that mark structure 42 home position be not limited to the present embodiment in lower right side.It identifies shape
State is also not necessarily limited to unfilled corner shape.Such as, lines be can be, watermark recovery etc is also possible to.
As shown in figure 8, multiple sub- magnetites 40 are separately positioned in one group of side wall being oppositely arranged of shell 10.Due to sub- magnetic
Stone 40 is separately positioned on one group of side wall being oppositely arranged of shell 10, in this way, avoiding placing son in the adjacent side wall of shell 10
Magnetite 40 and cause interference with, while being also beneficial to be applied in double take the photograph in motor.
Shell 10 in the present invention is made on the position for being correspondingly arranged on sub- magnetite 40 of the first material；Shell 10 exists
It does not correspond to and is made on the position of sub- magnetite 40 of the second material, and the magnetic conductivity of the first material is higher than the magnetic conduction of the second material
Property.That is shell 10 is combined and is formed by high magnetic conductive material and low magnetic conductive material, and this combination is not two kinds
Material is merged, and is only to use different materials in the different zones of shell 10, therefore be not related to material itself
Change.
Optionally, the first material is SUS400 series or SPCC.High magnetic conductive material can effectively play shielding action, make
The leakage field for obtaining sub- magnetite 40 is very small, largely improves the hypodynamic problem of lens drive motor internal drive, both enhanced
Magnetic field shielding effect also promotes the driving force of lens drive motors.SPCC material has the function of anti-leakage field, can also be to prevent quiet
Electricity has protective effect well to sub- magnetite 40, is conducive to improve the magnetic field strength between sub- magnetite 40 and coil 30, increases
The driving force of motor, and cost is relatively low.It should be noted that shell 10 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 pair selected by shell 10 of the invention
As column.
Optionally, SUS400 series includes SUS430, SUS420J2, SUS440A, SUS410L etc..
Optionally, the second material is SUS305.
In order to improve the motion credibility of lens drive motor, the upper surface of lens supports body 20 also has and shell 10
The mating grafting recess 22 of flange 11.Specifically, grafting recess 22 is all round closure type indentations.Grafting recess 22 with turn over
11 grafting of side is chimeric, has the function of axial antitorque limit.It should be pointed out that common flange plug receptacle is to have one in circumferential direction
Notch is open type.And the grafting recess 22 in the application is all round closure type indentations, limit good with antitorque effect
More accurate feature.
As shown in figure 5, lens supports body 20 also has the stop part 23 that stretches out towards sub- magnetite 40, stop part 23 is towards son
Block face 231 until one side surface of magnetite 40, stop surface 231 and sub- 40 counter stopper of magnetite are to prevent lens supports body 20 inclined
Turn.Optionally, stop part 23 be it is multiple, be located at lens supports body 20 it is not ipsilateral on.In the actuation of lens drive motor
In the process, there are X, the weak vibrations twisted phenomena of Y-axis axial direction for lens supports body 20.By in the lower end of lens supports body 20 week
To multiple stop parts 23 are added, the antitorque height in side of Z-direction is promoted, promotes antitorque effect whereby.
As shown in Figure 1, lens drive motor further includes upper spring 50 and frame 90, upper spring 50 is provided with the first fool proof knot
Structure 51；Frame 90 is provided with the second error-proof structure 91, and the first error-proof structure 51 and the cooperation of the second error-proof structure 91 make upper spring 50
It is installed in place with frame 90, upper spring 50 and frame 90 are respectively positioned in shell 10.First error-proof structure 51 and the second error-proof structure
91 cooperation it is possible to prevente effectively from upper spring 50 anti-dress and cause influence moving component movement, improve the installation of lens drive motor
Accuracy avoids accidentally assembling, also improves the motion credibility of lens drive motor.
As shown in figure 8, the first error-proof structure 51 is located at the outer ring side of upper spring 50.Since the inner ring side of upper spring 50 can transport
It is dynamic, and outer ring side is motionless, thus the first error-proof structure 51 is set in outer ring side, it will not influence the movement effect of lens drive motor
Fruit.
Specifically, the first error-proof structure 51 is the aligning receptacle being arranged in upper spring 50；Second error-proof structure 91 is to set
The positioning protrusion on frame 90 is set, positioning protrusion can be embedded in aligning receptacle.Due to 50 non-square of upper spring, thus it is right
Installation direction has strict demand.If being not provided with the first error-proof structure 51 in upper spring 50, easily installation dislocation.Upper spring 50 and frame
The coordination of 90 phase of frame, while as mounting direction mark, it is conducive to assembling work, prevents the assembly direction of upper spring 50 from misplacing.
Lens drive motor in the present invention further includes flexible circuit board 100, and shell 10 is arranged in flexible circuit board 100
(please referring to Fig. 1) is stretched out from inside to outside on side wall and by shell 10.
As shown in figure 8, the side wall for drawing the shell 10 of flexible circuit board 100 installs positioning surface as installation positioning surface 12
Sub- magnetite 40 is not provided at 12, flexible circuit board 100 is entirely located at installation positioning surface 12.That is, installation positioning surface
12 are located at the side of s.m.p magnetite 40, are easily installed and positioned.
As illustrated in figures 1 and 8, the side wall of the shell 10 of flexible circuit board 100 is drawn as installation positioning surface 12, and installation is fixed
Sub- magnetite 40 is not provided at plane 12, the side wall adjacent with installation positioning surface 12 of shell 10 is terminal lead surface 13, flexible wires
Road plate 100 extends by bending after the extraction of installation positioning surface 12 and along terminal lead surface 13.It is convenient for installing in this way, especially
It is applied in double take the photograph on motor.
Certainly, terminal lead surface 13 can also be located at the same side with installation positioning surface 12.
It should be pointed out that the shape in concrete shape Fig. 8 without being limited thereto of flexible circuit board 100, all phase same-action
And effect, the adjustment and variation of various shapes can be made.
In order to more fully understand the contents of the present invention, there is the following aspects also to need to illustrate.
A. upper spring 50 is non-square reason：Lens drive motor in the present embodiment is square, and draws flexible wires
The installation positioning surface 12 of road plate 100 is located at the inner sidewall of shell 10, and there are one for the installation positioning surface 12 of extraction flexible circuit board 100
Determine thickness, the segment space of shell 10 can be accounted for, therefore upper spring 50 is to avoid this segment space, needs to add square shape
With adjustment, it can only say and be close to square, and not proper square.
B. the first error-proof structure 51 and the second error-proof structure 91 there are meanings：It can prevent the subtle difficulty of 50 length and width of upper spring
Caused by distinguishing it is same towards length and width accidentally fill.It is such as that the setting position of the first error-proof structure 51 and the second error-proof structure 91 is further
Improvement makes it be set to the center position for deviateing its place side, then the mistake of 50 front and back sides of upper spring can be further prevented to fill feelings again
Condition.So the first error-proof structure 51 and the second error-proof structure 91, which deviate center position, the meaning that it more very wins.
C. assume shell 10 being made into non-square, when upper spring 50 is made into square, the first error-proof structure 51 at this time
Setting with the second error-proof structure 91 is still necessary.In this case, though no longer needing to worry coplanar upward spring 50
Mistake fill may, but it is positive and negative towards anti-dress situation can still exist, therefore by the first error-proof structure 51 and the second error-proof structure 91
Deviate center position setting, the function of fool proof and effect still remain.
D. optionally, can be handled in the position further progress dispensing of the first error-proof structure 51 and the second error-proof structure 91,
It enhances component cementation intensity between upper spring 50 and frame 90 on the original basis in this way, has for the impact resistance fallen etc.
There are enormous benefits, while avoiding the phenomenon that issuable upper spring 50 floats in the process.
As shown in Figure 1, lens drive motor further includes the lower spring 60 and pedestal 70 positioned at 20 lower section of lens supports body.Under
Spring 60 is used to support the lower end surface of lens supports body 20, and the setting of shell 10 is empty to form accommodating between on mount 70
Between, lens supports body 20, coil 30, frame 90, upper spring 50, lower spring 60 and magnetite component are respectively positioned in accommodating space,
In, shell 10 is assembled together with pedestal 70 by embedded structure.Pedestal 70 be used to support lens supports body 20, coil 30 and under
Spring 60, under the collective effect of pedestal 70 and shell 10, be lens supports body 20, coil 30, frame 90, upper spring 50, under
Spring 60 and magnetite component provide accommodating space, while can play the role of protecting internal component；In addition, shell 10 and pedestal
70 are assembled together by embedded structure, and structure is simple, easy to operate, and assembly effect is good, and reliability and stability is strong.
In addition, the sub- magnetite that is arranged in pairs mutually 180 degree each other, in being arranged oppositely, after being passed through electric current to coil 30, coil
Electromagnetic force will be generated between 30 and magnetite component, according to the bright lefft-hand rule of Forlan, since the effect of electromagnetic force drives lens branch
Support body 20 moves linearly along camera lens optical axis direction, and lens supports body 20 finally stays in the electricity generated between coil 30 and magnetite
The resultant force of magnetic force and upper spring 50 and the elastic force of lower spring 60 reaches location point when phase equilibrium state.By logical to coil 30
Enter set electric current, it is controllable that lens supports body 20 is made to be moved to target position, to achieve the purpose that focusing.
In Fig. 2 and specific embodiment shown in Fig. 9, pedestal 70 have center evacuation opening 71, with lens supports body
20 are cooperated.
As shown in Figure 2 and Figure 9, embedded structure includes notch section 81 and lug boss 82, and notch section 81 is arranged on shell 10,
Lug boss 82 is arranged on the periphery of pedestal 70 and can be entrenched in notch section 81.Lug boss 82 and the letter of 81 structure of notch section
It is single, it can satisfy chimeric requirement, and assembly effect is good, reliability and stability is strong.
In specific embodiment shown in Fig. 2, notch section 81 is located at the vertex of shell 10.It in this way can be to avoid to other
Component adversely affects, and is conducive to the service performance for improving lens drive motor.
In the specific embodiment shown in Figure 12, it is configured in a manner of sub- magnetite 40 polarity shown in scheme.Certainly, may be used
It is configured in a manner of using shown in Figure 13.It, only need to will wherein one at this point, the plan of establishment for above two polar sites
The positive and negative anodes step mode of kind scheme end feet is reversely connected, so that it may realize the function and effect of the identical driving direction power of two schemes.
Embodiment two
Difference with embodiment one is that provided in this embodiment is lens drive motor assembly.
Specifically, lens drive motor assembly includes multiple lens drive motors, two neighboring lens drive motor is each other
Without sub- magnetite 40 in close side.In such manner, it is possible to effectively avoid magnetic interference between the two.
Specifically, taking the photograph motor applied to double.
It is, lens drive motor is two, two lens drive motors are set side by side, and in each lens drive motor
Two sub- magnetites 40 are provided with, two sub- magnetites 40 are located in one group of side wall that lens drive motor is oppositely arranged.
As shown in figure 14, consider double structures for taking the photograph motor, flexible circuit board 100 must be drawn in the same side of shell, in this way,
The structure of multiple lens drive motors is the same, and has good versatility.
Of course, it is possible to adjust the extraction location of flexible circuit board 100.
Theoretically, low magnetic conductive material is less desirable to the shield effectiveness in magnetic field, and magnetic-leakage preventing effect is poor.To avoid 2
Magnetic field between lens drive motor is mutually interfered, and double shells 10 for taking the photograph motor are perfect conditions using high magnetic conductive material.But simultaneously
It is considered that if entire shell 10 all uses high magnetic conductive material, the magnetic field of sub- magnetite 40 also have it is a degree of drawn,
The other positions of the shell being absorbed within the scope of field region cause the magnetic field strength in the magnetic field acted on coil 30 can be by certain journey
Degree dispersion and reduction, cannot make the driving force of lens drive motor play optimum efficiency.Therefore, although high magnetic conductive material has
There are magnetic field shielding and jamproof effect, but cannot therefore assert that the driving effect of lens drive motor has also been played most preferably
State.It therefore, is high magnetic conductive material by the section sets of the shell 10 of sub- 40 corresponding position of magnetite, remaining of shell 10 can be competent
Low magnetic conductive material is selected as at the position disturbed or weaken electromagnetic force performance, in this way to double driving forces for taking the photograph motor and diamagnetic interference effect
Optimization for be a kind of more preferably state.
In fact, diversification and complexity is presented in the overall structure of lens drive motor and specific implementation, about shell 10
The selection of material must integrate various factors and consider and chosen and assembled.
It should be pointed out that using flexible circuit board in the invention patent, and the integrally formed with pedestal of routine is not had to
Rigid terminal type structure but is taken into account again and double take the photograph motor and be emitted on since it is desired that avoid the side of sub- magnetite position
How to facilitate after together and is powered with end feet.Therefore the problem of above-mentioned property taken into account can be solved using flexible circuit board, thus generate
The side of no sub- magnetite is arranged in the installation positioning surface of flexible circuit board, and terminal lead surface is led into sub- magnetite
Side.The present invention can be used with the case where singly taking the photograph motor, or flexible circuit board is arranged in the same side, or by flexible circuit board
Repack the terminal type structure of hardness into.
The present invention by the apolegamy of shell composite material, the multipole magnetization mode of sub- magnetite and with the mode phase configuration that magnetizes
Multiple groups coil, provides a kind of lens drive motor of large driving force, and can apply to double take the photograph motor, can effectively solve lens drive
Between dynamic motor the problem of mutual magnetic disturbance.
It can be seen from the above description that the above embodiments of the present invention realize following technical effect：
1, sub- magnetite 40 uses multipole magnetization, effectively prevents double magnetic disturbance phenomenons for taking the photograph motor；
2, the shell 10 of high magnetic conductive material, effectively enhances the driving force of lens drive motor；
3, the setting miniaturise for lens drive motor, being thinned creates advantage；
4, since the magnetic field strength of magnetite component increases, application smaller current, which can be realized, drives camera lens to reach designated position
Point can develop low current motor, reduce mobile telephone power consumption；
5, the structure of lens drive motor is simple, processes easy to 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 (24)
1. a kind of lens drive motor, which is characterized in that including shell (10), lens supports body (20), coil (30) and magnetite
Component, the coil (30) are wound around on the lens supports body (20) and are arranged in the shell (10), the magnetite group
Part is arranged between the lens supports body (20) and the shell (10), wherein the magnetite component includes multiple sub- magnetites
(40), the sub- magnetite (40) is multipole magnetization magnetite.
2. lens drive motor according to claim 1, which is characterized in that the sub- magnetite (40) is that quadrupole magnetizes magnetic
Stone, and the middle part of the sub- magnetite (40) is with no magnetic area (41).
3. lens drive motor according to claim 2, which is characterized in that the height of the no magnetic area (41) be greater than etc.
It is less than or equal to 0.5 millimeter in 0.2 millimeter.
4. lens drive motor according to claim 2, which is characterized in that the coil (30) is two groups, described in two groups
Coil (30) is wound around on the lens supports body (20) and is spaced in the short transverse of the lens supports body (20) and sets
Set, coil described in one group (30) and the upper portion of the no magnetic area (41) are correspondingly arranged, coil described in another group (30) with
The lower portion of the no magnetic area (41) is correspondingly arranged.
5. lens drive motor according to claim 4, which is characterized in that the lens supports body (20) has for inciting somebody to action
The muscle (21) that coil described in two groups (30) separates.
6. lens drive motor according to claim 4, which is characterized in that the upper portion of the no magnetic area (41)
Height is greater than the height of the lower portion of the no magnetic area (41).
7. lens drive motor according to any one of claim 1 to 6, which is characterized in that the lens supports body
(20) upper surface also has the grafting recess (22) mating with the flange (11) of the shell (10), the grafting recess
It (22) is all round closure type indentations.
8. lens drive motor according to any one of claim 1 to 6, which is characterized in that the lens supports body
(20) also there is the stop part (23) stretched out towards the sub- magnetite (40), the stop part (23) is towards the sub- magnetite (40)
A side surface until block face (231), the stop surface (231) and sub- magnetite (40) counter stopper are to prevent the lens
Supporter (20) deflection.
9. lens drive motor according to any one of claim 1 to 6, which is characterized in that the sub- magnetite (40)
Corner portion is provided with mark structure (42).
10. lens drive motor according to claim 9, which is characterized in that the mark structure (42) is setting in institute
State the unfilled corner of the corner portion of sub- magnetite (40).
11. lens drive motor according to any one of claim 1 to 6, which is characterized in that multiple sub- magnetites
(40) it is separately positioned in one group of side wall being oppositely arranged of the shell (10).
12. lens drive motor according to claim 11, which is characterized in that the shell (10) is being correspondingly arranged
It states and is made on the position of sub- magnetite (40) of the first material；The shell (10) is in the position of no correspondence sub- magnetite (40)
It sets and is made of the second material, and the magnetic conductivity of first material is higher than the magnetic conductivity of second material.
13. lens drive motor according to claim 12, which is characterized in that
First material is SUS400 series or SPCC；And/or
Second material is SUS305.
14. lens drive motor according to any one of claim 1 to 6, which is characterized in that the lens drive motor
Further include：
Upper spring (50), the upper spring (50) are provided with the first error-proof structure (51)；
Frame (90), the frame (90) are provided with the second error-proof structure (91), first error-proof structure (51) and described the
Two error-proof structures (91) cooperation is installed in place the upper spring (50) with the frame (90), the upper spring (50) and described
Frame (90) is respectively positioned in the shell (10).
15. lens drive motor according to claim 14, which is characterized in that first error-proof structure (51) is located at institute
State the outer ring side of upper spring (50).
16. lens drive motor according to claim 14, which is characterized in that first error-proof structure (51) is setting
Aligning receptacle on the upper spring (50)；Second error-proof structure (91) is the positioning being arranged on the frame (90)
Protrusion, the positioning protrusion can be embedded in the aligning receptacle.
17. lens drive motor according to any one of claim 1 to 6, which is characterized in that the lens drive motor
It further include flexible circuit board (100), the flexible circuit board (100) is arranged on the side wall of the shell (10) and by described outer
Shell (10) stretches out from inside to outside.
18. lens drive motor according to claim 17, which is characterized in that draw the flexible circuit board (100)
The side wall of the shell (10) is not provided with the sub- magnetite at the installation positioning surface (12) as positioning surface (12) are installed
(40), the flexible circuit board (100) is entirely located at the installation positioning surface (12).
19. lens drive motor according to claim 17, which is characterized in that draw the flexible circuit board (100)
The side wall of the shell (10) is not provided with the sub- magnetite at the installation positioning surface (12) as positioning surface (12) are installed
(40), the shell (10) and described positioning surface (12) adjacent side wall of installing are terminal lead surface (13), the flexible circuitry
Plate (100) extends by bending after the installation positioning surface (12) extraction and along the terminal lead surface (13).
20. a kind of lens drive motor assembly, which is characterized in that including saturating described in multiple any one of claims 1 to 19
Mirror drive motor, without sub- magnetite (40) in two neighboring lens drive motor side close to each other.
21. lens drive motor assembly according to claim 20, which is characterized in that the lens drive motor is two
A, two lens drive motors are set side by side, and are respectively provided in each lens drive motor there are two the sub- magnetite
(40), two sub- magnetites (40) are located in one group of side wall that the lens drive motor is oppositely arranged.
22. a kind of camera, which is characterized in that including：
Lens drive motor described in any one of claims 1 to 19；Or
Lens drive motor assembly described in claim 20 or 21.
23. a kind of mobile terminal apparatus, which is characterized in that including the camera described in claim 22.
24. mobile terminal apparatus according to claim 23, 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 |
|---|---|---|---|
| CN201810961619.7A CN108828747B (en) | 2018-08-22 | 2018-08-22 | Lens driving motor, lens driving motor assembly, camera and mobile terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961619.7A CN108828747B (en) | 2018-08-22 | 2018-08-22 | Lens driving motor, lens driving motor assembly, camera and mobile terminal device |
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| CN108828747B CN108828747B (en) | 2024-03-26 |
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| CN109375334A (en) * | 2018-12-24 | 2019-02-22 | 上海比路电子股份有限公司 | Lens driver, stabilization system and photographic device |
| CN109495679A (en) * | 2018-11-30 | 2019-03-19 | 上海信迈电子科技有限公司 | Anti-shaking structure, stabilization system and the photographic device with it |
| CN109597182A (en) * | 2018-12-27 | 2019-04-09 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
| CN109618104A (en) * | 2019-01-25 | 2019-04-12 | 长汀县比路电子有限公司 | Anti-shaking structure, stabilization system and photographic device |
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| CN108828747B (en) | 2024-03-26 |
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