CN207882549U - Optical module driving mechanism - Google Patents
Optical module driving mechanism Download PDFInfo
- Publication number
- CN207882549U CN207882549U CN201820314394.1U CN201820314394U CN207882549U CN 207882549 U CN207882549 U CN 207882549U CN 201820314394 U CN201820314394 U CN 201820314394U CN 207882549 U CN207882549 U CN 207882549U
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- China
- Prior art keywords
- driving mechanism
- unit
- circuit board
- load bearing
- optical module
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Classifications
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- 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
- 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
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic 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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- 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
- G03B13/36—Autofocus systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Optical Head (AREA)
- Adjustment Of Camera Lenses (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A kind of optical module driving mechanism, to drive an optical module.Driving mechanism includes a base unit, a load bearing unit, an elastic parts, a drive component and a sensing component.Load bearing unit carries optical module.Elastic parts connects load bearing unit and base unit.Drive component drives optical module relative to base unit displacement.Sensing component is arranged between load bearing unit and base unit, and to sense position of the load bearing unit relative to base unit, wherein from the optical axis direction of optical module, elastic parts is least partially overlapped with sensing component.
Description
Technical field
The utility model is related to a kind of optical module driving mechanism, more particularly to one kind is from optical axis direction, elastic group
Part and the least partially overlapped optical module driving mechanism of sensing component.
Background technology
Requirement of the electronic product for volume is more and more harsh, to then need volume-diminished more effectively to utilize inside
Space.In addition, after electronic product is collided, internal electronic building brick is often collided by other parts and is damaged so that
Electronic product loses the performance of script.
Utility model content
The purpose of this utility model is to provide a kind of optical drive mechanisms, above-mentioned at least one to solve the problems, such as.
To solve the above-mentioned problems, an embodiment of the utility model provides driving mechanism, to drive optical module, drives
Motivation structure includes load bearing unit, base unit, elastic parts, drive component and sensing component.Load bearing unit is to carry light
Learn component.Base unit is located at below load bearing unit.Elastic parts connects load bearing unit and base unit.Drive component be to
Drive optical module relative to base unit displacement.Sensing component is provided between load bearing unit and base unit, and to
Position of the load bearing unit relative to base unit is sensed, wherein from the optical axis direction of optical module, elastic parts and sensing
Component is least partially overlapped.
In an embodiment, sensing component also includes that the sensing magnetic fields component that is set on base unit and being set to is held
Sensing magnet on carrier unit.
In an embodiment, sensing magnet is multipole magnet.
In an embodiment, driving mechanism also includes outline border, and outline border is magnetic conductivity material, with trepanning and extension,
Wherein load bearing unit is set in trepanning, and extension is extended by the inner edge of trepanning towards base unit direction.
In an embodiment, outline border has quadrilateral structure, and the position of extension and sensing component is located at quadrangle knot
The different corners of structure.
In an embodiment, outline border also has there are two extension, and extension is located at two of quadrilateral structure relatively
Corner.One embodiment of the utility model provides driving mechanism, to drive optical module, driving mechanism to include frame, hold
Carrier unit, drive component and circuit unit.Frame has stop section, protrudes from the inner surface of frame, wherein stop section with
The optical axis of optical module is separated by the first distance.Load bearing unit is actively to be set in frame, and to carry optical module.It drives
Dynamic component is to drive optical module relative to frame displacement.Circuit unit is provided on frame, wherein circuit unit with
There is second distance, and the first distance is less than second distance between the optical axis of optical module.
In an embodiment, circuit unit includes circuit board and integrated circuit package, and integrated circuit package is set to electricity
On the plate of road, wherein integrated circuit package abuts the bearing surface of stop section.
In an embodiment, bearing surface is perpendicular to optical axis direction.In an embodiment, stop section has ㄇ font structures.
In an embodiment, circuit unit includes circuit board and integrated circuit package, and integrated circuit package is set to circuit
On plate, and frame also has there are two limiting section, and wherein circuit board is disposed between limiting section, and to limiting circuit plate in both
Positioning is set.
In an embodiment, circuit unit includes circuit board and integrated circuit package, and integrated circuit package is disposed on
On circuit board, wherein stop section forms groove with limiting section, and circuit board is arranged in groove.In an embodiment, driving machine
Structure also includes conducting wire, and load bearing unit has wrapping post, and conducting wire is electrically connected drive component, and is wound on wrapping post, wherein
Wrapping post corresponds to the different sides of load bearing unit with drive component.
The beneficial effects of the utility model are that elastic parts drives with the least partially overlapped optical module of sensing component
Thus mechanism more effectively can utilize inner space to reduce the volume of driving mechanism.
For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, it is cited below particularly go out preferably
Embodiment, and coordinate appended attached drawing, it is described below in detail.
Description of the drawings
Fig. 1 shows the stereoscopic schematic diagram of the driving mechanism according to one embodiment of the utility model.
Fig. 2 shows the explosive view of the driving mechanism in Fig. 1.
Fig. 3 A show the sectional view of the A-A ' line segments along Fig. 1.
Fig. 3 B show the sectional view of the B-B ' line segments along Fig. 1.
Fig. 4 shows the vertical view of the driving mechanism according to one embodiment of the utility model.
Fig. 5 is shown according to the relative position after the sensing magnetic fields component of one embodiment of the utility model and sensing magnet combination
Relation schematic diagram.
Fig. 6 A show according to the driving coil of one embodiment of the utility model, upper reed plate, lower reed, sensing magnetic fields component and
Sense the relative position relation partial top view after the combination of magnet.
Fig. 6 B show driving coil, upper reed plate, lower reed, sensing magnetic fields component shown in Fig. 6 A and sense the combination of magnet
Relative position relation side view afterwards.
Fig. 7 shows the opposite position after being combined according to the outline border of one embodiment of the utility model, base unit and sensing magnet
Set relationship stereogram.
Fig. 8 A show the side view of frame and circuit unit according to one embodiment of the utility model.
Fig. 8 B show the vertical view of frame, circuit unit shown in Fig. 8 A.
Fig. 8 C show the partial schematic sectional view after frame, circuit unit shown in Fig. 8 B are combined with outline border.
Reference numeral is as follows：
1~driving mechanism；
10~outline border；
10A~outline border roof；
10B~outline border side wall；
11~extension；
The trepanning of 12~outline border；
20~base unit；
201~ontology；
202~connector；
22~holes on base；
30~load bearing unit；
31~conducting wire
311~wrapping post；
32~through hole；
40~driving coil；
50~frame；
502~stop section；
502A~bearing surface；
502B~chamfering；
504~limiting section；
50A~groove；
50B~inner surface；
52~opening；
60~magnet assembly；
70~upper reed plate；
72~lower reed；
80~circuit board；
82~sensing magnetic fields component；
84~integrated circuit package；
86~capacitance；
90,90 '~sensing magnet；
901,903~sector；
902~magnetic differential gap；
910,910 '~glue groove；
CU~circuit unit；
The distances of D1~first；
D2~second distance；
EM~drive component；
O~optical axis；
The width of W1~first；
The width of W2~second；
WR~recess width.
Specific implementation mode
Illustrate the driving mechanism of the utility model embodiment below.However, can will readily appreciate that the utility model embodiment carries
Wide variety of specific background is may be implemented in for many suitable utility model concepts.Disclosed specific embodiment is only used
The utility model is used with ad hoc approach in explanation, not limiting to the scope of the utility model.
Unless otherwise defined, belonging to whole term (including technology and scientific words) as used herein has and discloses with this piece
The normally understood identical connotation of those skilled in the art institute.It is appreciated that these terms, such as in usually used dictionary
Defined in term, should be interpreted to have a meaning consistent with the background or context of the relevant technologies and the disclosure, without
Ying Yiyi is idealized or excessively formal mode is understood, unless especially definition herein.
The solid of the driving mechanism 1 according to one embodiment of the utility model is shown please also refer to Fig. 1 to Fig. 3 B, wherein Fig. 1
Schematic diagram, Fig. 2 show that the explosive view of the driving mechanism 1 in Fig. 1, Fig. 3 A and Fig. 3 B show A-A ' line segments and B- along Fig. 1 respectively
The sectional view of B ' line segments.Should first it illustrate, in the present embodiment, driving mechanism 1 is, for example, a voice coil motor (Voice Coil
Motor；VCM), may be disposed in the electronic device with camera function, to drive an optical mirror slip, and can have it is automatic right
Coke (Auto-Focusing；AF) function.
Driving mechanism 1 has the structure substantially in quadrangle it can be seen from Fig. 2, includes mainly an outline border 10, one
Base unit 20, a load bearing unit 30, multiple driving coils 40, a frame 50, multiple magnet assemblies 60, a upper reed plate 70, one
Lower reed 72, a circuit board 80 and at least one sensing magnet 90.It should be noted that the use of " elastic parts " described herein below
Language may include upper reed plate 70 and/or lower reed 72.
Aforementioned outline border 10 has a hollow structure, has a roof 10A, four side wall 10B and trepanning 12, trepanning 12
Center correspond to an optical module OE (see Fig. 3 A and Fig. 3 B) optical axis O.Trepanning 22, trepanning are then formed on base unit 20
22 correspond to an image sensing elements (not shown) being arranged except driving mechanism 1.Outline border 10 is mutual with base unit 20
Connection, accordingly, the optical module OE (such as optical mirror slip) being set in driving mechanism 1 can be in the directions optical axis O and image sensing
Component is focused.
Said base unit 20 includes an ontology 201 and a connection piece 202.For example, ontology 201 is plastics material
Matter, connector 202 are then metal material.In this present embodiment, connector 202 is electrically connected by circuit board 80 (see Fig. 3 B)
One is set to the circuit unit (not shown) outside driving mechanism 1, to execute the functions such as auto-focusing (AF).In addition, plastics
The ontology 201 of material is that 202 outside of connector is coated in a manner of mould internal shaping (insert molding).
Load bearing unit 30 carries optical module OE.Load bearing unit 30 has a hollow structure, and is formed with pass through aperture 32,
Wherein aforementioned optical component OE (scheming see Fig. 3 A and Fig. 3 B) is locked in through hole 32.Aforesaid frame 50 have a trepanning 52 and
One groove 50A, wherein circuit board 80 are securable in groove 50A.In this present embodiment, circuit board 80 is electrically connected one and is set to
Driving unit (not shown) outside driving mechanism 1, by connector 202 so that circuit board 80 is electrically connected to driving coil
40, and the electric signal that aforementioned driving unit is sent out is transferred to driving coil 40, to execute the function of auto-focusing (AF).
Fig. 3 A show the sectional view of the A-A ' line segments along Fig. 1.As shown in fig. 2 and fig. 3 a, load bearing unit 30 is actively
(movably) outline border 10 and base unit 20 are connected.More specifically, load bearing unit 30 can pass through the upper spring of metal material respectively
Piece 70 and 72 connection framework 50 of lower reed and base unit 20, so as to load bearing unit 30 is actively suspended to frame 50 and pedestal
Between unit 20.
Two magnet assemblies 60, two driving coils 40 corresponding on the outside of load bearing unit 30 may make up a driving
Component EM.When an electric current is applied to driving coil 40 via connector 202 and aforementioned circuit plate 80 (see Fig. 3 B), can lead to
It crosses aforementioned driving coil 40 and magnet assembly 60 generates an electromagnetic driving force (electromagnetic driving force),
Drive load bearing unit 30 and aforementioned optical component OE mobile along Z-direction (directions optical axis O) relative to base unit 20, to execute
The function of auto-focusing (AF).
Fig. 3 B show the sectional view of the B-B ' line segments along Fig. 1.As shown in Figure 3B, circuit board 80 can by connector 202, under
Reed 72 and a conducting wire 31 transmission electric signal are to two driving coils 40 (see Fig. 3 A) for being located at 30 outside of load bearing unit, so as to control
The movement of load bearing unit 30 processed in the Z-axis direction.
In addition, the sensing magnetic fields component 82 being electrically connected with circuit board 80, example can also be arranged above base unit 20
Such as it is that Hall sensor (Hall effect sensor), mistor (magnetoresistance, MR) sensor are for example huge
Type magnetic resistance (giant magnetoresistance, GMR) sensor or tunnel magneto-resistance (tunnel magnetoresistance,
TMR) sensor or magnetic flux transducer (Fluxgate) etc., sensing magnetic fields component 82 constitute a sensing group with sensing magnet 90
Part is set to sensing magnet 90 on load bearing unit 30 by sensing, it can be seen that load bearing unit 30 relative to base unit 20 in Z
Position offset in axis direction (directions optical axis O), wherein circuit board 80 are set to the difference of driving mechanism 1 with drive component EM
Thus side can avoid electromagnetic interference, and can make full use of the space inside driving mechanism 1.
Fig. 4 is please referred to, Fig. 4 shows the vertical view of the driving mechanism 1 according to one embodiment of the utility model, wherein in order to clear
Chu shows the construction inside driving mechanism 1, therefore outline border 10, frame 50 and upper reed plate 70 are not shown in this figure.As shown in figure 4,
Opposite sides (such as in Fig. 4 of (the including magnet assembly 60 and driving coil 40) position aforementioned drive component EM in load bearing unit 30
The left and right sides of load bearing unit 30), and the other both sides of load bearing unit 30 both sides up and down of load bearing unit 30 (such as in Fig. 4) is then
Drive component EM is not set, so that the side that drive component EM is not arranged of driving mechanism 1 can be to inside contracting, and then reaches small
The effect of type.
In addition, load bearing unit 30 has wrapping post 311, to what will be electrically connected with driving coil 40 (drive component EM)
Conducting wire 31 is wound on wrapping post 311.It should be noted that wrapping post 311 and drive component EM is set to load bearing unit 30 not
Same side, for example, the both sides up and down that wrapping post 311 is set to load bearing unit 30 in Fig. 4 can to avoid drive component EM
Further save the required space in 1 inside of driving mechanism.
Referring again to Fig. 4, in the present embodiment, other than sensing magnetic fields component 82, integrated circuit (integrated
Circuit, IC) component 84 and capacitance 86 be also arranged on circuit board 80, wherein circuit board 80, integrated circuit package 84 and capacitance
86 may make up a circuit unit CU, to execute auto-focusing (AF) function.Sensing magnet 90 is set on load bearing unit 30
In corresponding glue groove 910, and it can be fixed in glue groove 910 by adhesive agent by magnet 90 is sensed.It should be noted that in addition to correspondence
Except the sensing magnet 90 of sensing magnetic fields component 82, also it is equipped in the opposite place on load bearing unit 30 in aforementioned sensing magnet 90
Another sensing magnet 90 ', sensing magnet 90 ' are set in corresponding glue groove 910 ' so that driving mechanism 1 can reach in weight
Balance.
Fig. 5 is please referred to, Fig. 5 shows the sensing magnetic fields component 82 and sensing 90 knot of magnet according to one embodiment of the utility model
Relative position relation schematic diagram after conjunction.In the present embodiment, it is not provided between sensing magnetic fields component 82 and sensing magnet 90
Other assemblies so that sensing magnetic fields component 82 can uninterruptedly sense the sensing magnet 90 on load bearing unit 30 along Z axis
The displacement in direction (directions optical axis O), and then promote the precision of sensing.Sensing magnet 90 is a multipole magnet, and it includes at least
Two sectors (magnetic domain) 901,903, sector 901,903 is respectively provided with the poles N and the poles S.In addition, sensing magnet 90
Also there is a magnetic differential gap 902, between sector 901,903.
As shown in figure 5, the poles S of sector 901 are towards sensing magnetic fields component 82, the poles N are then towards the through hole of load bearing unit 30
32 (see Fig. 4), the poles N of another sector 903 are towards sensing magnetic fields component 82, and the poles S are then towards the through hole 32 of load bearing unit 30.It answers
It is noted that in some other embodiment, the pole orientation of sector 901,903 can be opposite with above-mentioned pole orientation.Passing through will
Sensing magnet 90 is designed as the multipole magnet with multiple sectors so that the magnetic line of force of sensing magnet 90 is even closer, is not increasing
In the case that the volume of magnet 90 is surveyed in loading, the precision of sensing can be further promoted.Thus sensing magnet can also be reduced
90 size, and then the power consumption of driving mechanism 1 is reduced, and can achieve the effect that miniaturization.
Please refer to Fig. 6 A and Fig. 6 B, Fig. 6 A show according to the driving coil 40 of one embodiment of the utility model, upper reed plate 70,
Relative position relation partial top view after the combination of lower reed 72, sensing magnetic fields component 82 and sensing magnet 90, Fig. 6 B are shown
Phase after the combination of driving coil 40, upper reed plate 70, lower reed 72, sensing magnetic fields component 82 shown in Fig. 6 A and sensing magnet 90
To position relationship side view.As shown in figures 6 a-6b, it is observed along the directions optical axis O (Z-direction), sensing magnetic fields component 82 and sensing
Magnet 90 (sensing component) is set between upper reed plate 70 and lower reed 72, and aforementioned sensing component and upper reed plate 70 and lower reed
72 (elastic parts) are least partially overlapped.In the present embodiment, sensing magnetic fields component 82 and sensing magnet 90 are in horizontal direction (XY
Plane) on can't exceed upper reed plate 70 and lower reed 72 edge.Thus driving mechanism 1 can be saved, and in horizontal direction, (XY is flat
Face) on required space, to reach the miniaturization of driving mechanism.
Fig. 7 is please referred to, Fig. 7 is shown according to the outline border 10 of one embodiment of the utility model, base unit 20 and sensing magnet
Relative position relation stereogram after 90 combinations.In the present embodiment, outline border 10 is the magnetic conductivity material of quadrilateral structure, wherein
Load bearing unit 30 is set in the trepanning 12 of outline border 10, and outline border 10 has two extensions 11 by the inner edge of trepanning 10A towards pedestal
The direction (- Z-direction) of unit 20 extends.In addition, two extensions 11 of outline border 10 are located at the two opposite of its quadrilateral structure
Corner, and extension 11 and sensing magnet 90 and its position corresponding sensing magnetic fields component 82 (i.e. sensing component) (see Fig. 6 A-6B)
In the different corners of this quadrilateral structure.By the way that extension 11 to be set to the different corners of outline border 10 with sensing magnet 90,
Can avoid sensing magnet 90 is influenced by the outline border 10 and its extension 11 of magnetic conductivity, and then avoids influencing driving mechanism
Start, and driving mechanism is made to reach the balance in weight.
Fig. 8 A-8C are please referred to, Fig. 8 A show the side of frame 50 and circuit unit CU according to one embodiment of the utility model
View, Fig. 8 B show that the vertical view of frame 50 and circuit unit CU shown in Fig. 8 A, Fig. 8 C show frame 50 shown in Fig. 8 B, electricity
Road unit CU and outline border 10 combine after partial schematic sectional view.In the present embodiment, circuit unit CU is set on frame 50,
Frame 50 has a stop section 502 and two limiting sections 504, and wherein stop section 502 protrudes from an inner surface 50B of frame 50
(see Fig. 8 B), to protect the electronic building brick (being set to the electronic building brick on circuit board 80) of circuit unit CU, and circuit board
80 are set between two limiting sections 504, and to limiting circuit plate 80 in a commitment positions, i.e., permanent circuit unit CU is in frame 50
On position.
In addition, stop section 502 has a ㄇ font structures (see Fig. 8 A), the integrated circuit package on circuit board 80
84, wherein stop section 502 is in having one first width W1 (see Fig. 8 C) in Y direction, and integrated circuit package 84 is in Y direction
With one second width W2, and the first width W1 is more than the second width W2.In other words, the light of stop section 502 and optical module OE
There is the first distance D1 between axis O, there is second distance D2 between the integrated circuit package 84 and optical axis O of circuit unit CU,
In the first distance D1 be less than second distance D2.Thus stop section 502 can protection setting in the integrated circuit package on circuit board 80
84 and other electronic building bricks (such as sensing magnetic fields component 82) so that aforementioned electronic component will not be because of optical facilities driving mechanism 1
Internal other parts are directly hit and are damaged.
Stop section 502, limiting section 504 and outline border 10 (see Fig. 8 C) constitute groove 50A.Groove 50A is in stop section 502 and outside
Between the inner surface of frame 10 there is a width WR, wherein width WR to be generally between about 0.05mm between about 0.2mm, for example,
About 0.1mm.Circuit board 80 is set in groove 50A, it is set that circuit board 80 in horizontal direction (X/Y plane) is limited in one
In position, circuit board 80 is made to be not easily disconnected from.In addition, the stop section 502 of frame 50 and limiting section 504 can also be as by circuit boards
80 are assembled to the positioning target on frame 50, and then the accuracy of locating circuit board 80 and lower the difficulty of assembling when promoting assembling
Degree.
Referring again to Fig. 8 C, stop section 502 has a bearing surface 502A, and bearing surface 502A is perpendicular to the directions optical axis O (Z axis
Direction), and the integrated circuit package 84 being set on circuit board 80 abuts the bearing surface 502A of stop section 502, to avoid circuit
Plate 80 is contacted with frame 50 in vertical direction (Z-direction), that is, there are a gaps between circuit board 80 and frame 50, are driving
When mechanism 1 is hit by vertical direction, circuit board 80 can be prevented to be damaged because of direct collision frame 50.In addition, can be in block
A chamfering 502B is arranged in the inside in portion 502 so that circuit unit CU can more easily be installed into groove 50A.
In conclusion the embodiments of the present invention are provided from optical axis direction, elastic parts and sensing component are at least
Thus partly overlapping optical module driving mechanism more effectively can utilize inner space to reduce the volume of driving mechanism.This
Outside, the embodiments of the present invention also provide with can protection circuit plates frame optical module driving mechanism so that circuit
Plate is less affected by other parts collision and damages.
Although the embodiments of the present invention and its advantage have been disclosed as above, it will be appreciated that people in the art
Member without departing from the spirit and scope of the utility model, when can change, substitutes with retouch.In addition, the guarantor of the utility model
Shield range be not necessarily limited by technique in specification in the specific embodiment, machine, manufacture, material composition, device, method and
Step, those skilled in the art can understand from the utility model disclosure existing or following the developed technique, machine,
Manufacture, material composition, device, method and step, as long as more or less the same function can be implemented in the embodiment here or obtained
Obtaining more or less the same result can all use according to the utility model.Therefore, the scope of protection of the utility model includes above-mentioned technique, machine
Device, manufacture, material composition, device, method and step.In addition, each claim constitutes an other embodiment, and this practicality is new
The protection domain of type also includes the combination of each claim and embodiment.
Claims (20)
1. a kind of driving mechanism, an optical module is driven, which is characterized in that the driving mechanism includes：
One base unit；
One load bearing unit carries the optical module；
One elastic parts connects the load bearing unit and the base unit；
One drive component drives the optical module relative to the base unit displacement；And
One sensing component is arranged between the load bearing unit and the base unit, to sense the load bearing unit relative to the bottom
The position of seat unit, wherein from an optical axis direction of the optical module, the elastic parts and the sensing component are at least partly
Overlapping.
2. driving mechanism as described in claim 1, which is characterized in that the sensing component includes：
One sensing magnetic fields component is set to above the base unit；And
One sensing magnet, is set on the load bearing unit.
3. driving mechanism as claimed in claim 2, which is characterized in that the sensing magnet is a multipole magnet.
4. driving mechanism as described in claim 1, which is characterized in that the driving mechanism further includes an outline border, which is
Magnetic conductivity material, the outline border have a trepanning and an extension, and the wherein load bearing unit is set in the trepanning, and the extension
Extended towards the base unit direction by the inner edge of the trepanning.
5. driving mechanism as claimed in claim 4, which is characterized in that the outline border has a quadrilateral structure, and the extension
It is located at the different corners of the quadrilateral structure with the position of the sensing component.
6. driving mechanism as claimed in claim 5, which is characterized in that the outline border also has there are two extension, and multiple described
Extension is located at two opposite corners of the quadrilateral structure.
7. driving mechanism as described in claim 1, which is characterized in that the driving mechanism further includes：
One frame has a stop section, protrudes from an inner surface of the frame, wherein the stop section and the optical module should
It is separated by one first distance between optical axis, and the load bearing unit is actively set in the frame；And
One circuit unit, setting on the frame, have one the wherein between the optical axis of the circuit unit and the optical module
Two distances, and first distance is less than the second distance.
8. driving mechanism as claimed in claim 7, which is characterized in that the circuit unit includes a circuit board and an integrated circuit
Component, and the integrated circuit package is set on the circuit board, wherein the integrated circuit package abuts an abutting of the stop section
Face.
9. driving mechanism as claimed in claim 8, which is characterized in that the bearing surface is perpendicular to the optical axis direction.
10. driving mechanism as claimed in claim 7, which is characterized in that the stop section has a ㄇ font structures.
11. driving mechanism as claimed in claim 7, which is characterized in that the circuit unit includes a circuit board and an integrated electricity
Road component, the integrated circuit package are set on the circuit board, and the frame also has there are two limiting section, and the circuit board is arranged
Between multiple limiting sections, to limit the circuit board in a commitment positions.
12. driving mechanism as claimed in claim 11, which is characterized in that the stop section and multiple limiting sections formation one are recessed
Slot, and the circuit board is arranged in the groove.
13. driving mechanism as claimed in claim 7, which is characterized in that the driving mechanism further includes a conducting wire, and the carrying
Unit have a wrapping post, which is electrically connected the drive component, and is wound on the wrapping post, wherein the wrapping post with should
Drive component is set to the different sides of the load bearing unit.
14. a kind of driving mechanism, to drive an optical module, which is characterized in that the driving mechanism includes：
One frame has a stop section, protrudes from an inner surface of the frame, the wherein stop section and the one of the optical module
It is separated by one first distance between optical axis；
One load bearing unit is actively set in the frame, carries the optical module；
One drive component drives the optical module relative to the frame displacement；And
One circuit unit, setting on the frame, have one the wherein between the optical axis of the circuit unit and the optical module
Two distances, and first distance is less than the second distance.
15. driving mechanism as claimed in claim 14, which is characterized in that the circuit unit includes a circuit board and an integrated electricity
Road component, and the integrated circuit package is set on the circuit board, wherein the integrated circuit package abuts the one of the stop section and supports
Junction.
16. driving mechanism as claimed in claim 15, which is characterized in that the bearing surface is perpendicular to the optical axis direction.
17. driving mechanism as claimed in claim 14, which is characterized in that the stop section has a ㄇ font structures.
18. driving mechanism as claimed in claim 14, which is characterized in that the circuit unit includes a circuit board and an integrated electricity
Road component, the integrated circuit package are set on the circuit board, and the frame also has there are two limiting section, and the circuit board is arranged
Between multiple limiting sections, to limit the circuit board in a commitment positions.
19. driving mechanism as claimed in claim 18, which is characterized in that the stop section and multiple limiting sections formation one are recessed
Slot, and the circuit board is arranged in the groove.
20. driving mechanism as claimed in claim 14, which is characterized in that the driving mechanism further includes a conducting wire, and this holds
Carrier unit have a wrapping post, which is electrically connected the drive component, and is wound on the wrapping post, wherein the wrapping post with
The drive component is set to the different sides of the load bearing unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| US201762478193P | 2017-03-29 | 2017-03-29 | |
| US62/478,193 | 2017-03-29 |
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| CN207882549U true CN207882549U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810187784.1A Active CN108693621B (en) | 2017-03-29 | 2018-03-07 | Optical assembly driving mechanism |
| CN201810188767.XA Active CN108693619B (en) | 2017-03-29 | 2018-03-07 | Electromagnetic drive mechanism |
| CN201820311300.5U Active CN208297803U (en) | 2017-03-29 | 2018-03-07 | Optical module driving mechanism and its base unit |
| CN201820314675.7U Active CN207882548U (en) | 2017-03-29 | 2018-03-07 | Electromagnetic drive mechanism |
| CN201810185975.4A Active CN108693620B (en) | 2017-03-29 | 2018-03-07 | Optical assembly driving mechanism |
| CN201820314394.1U Active CN207882549U (en) | 2017-03-29 | 2018-03-07 | Optical module driving mechanism |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810187784.1A Active CN108693621B (en) | 2017-03-29 | 2018-03-07 | Optical assembly driving mechanism |
| CN201810188767.XA Active CN108693619B (en) | 2017-03-29 | 2018-03-07 | Electromagnetic drive mechanism |
| CN201820311300.5U Active CN208297803U (en) | 2017-03-29 | 2018-03-07 | Optical module driving mechanism and its base unit |
| CN201820314675.7U Active CN207882548U (en) | 2017-03-29 | 2018-03-07 | Electromagnetic drive mechanism |
| CN201810185975.4A Active CN108693620B (en) | 2017-03-29 | 2018-03-07 | Optical assembly driving mechanism |
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| CN (6) | CN108693621B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693620A (en) * | 2017-03-29 | 2018-10-23 | 台湾东电化股份有限公司 | Optical module driving mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948779A (en) * | 2019-05-17 | 2020-11-17 | 台湾东电化股份有限公司 | Driving mechanism |
| CN114143428B (en) * | 2021-11-30 | 2023-10-31 | 河南皓泽电子股份有限公司 | Optical element driving device |
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| JP5079049B2 (en) * | 2009-11-17 | 2012-11-21 | 台湾東電化股▲ふん▼有限公司 | Lens drive device |
| US8411381B2 (en) * | 2010-01-06 | 2013-04-02 | Panasonic Corporation | Lens barrel |
| US8254769B2 (en) * | 2010-03-04 | 2012-08-28 | Tdk Taiwan Corp. | Anti-shake structure for auto-focus modular |
| KR101882698B1 (en) * | 2012-02-23 | 2018-07-27 | 엘지이노텍 주식회사 | Voice coil motor |
| JP2014126668A (en) * | 2012-12-26 | 2014-07-07 | Mitsumi Electric Co Ltd | Lens drive device, camera module and portable terminal with camera |
| KR101520183B1 (en) * | 2013-09-13 | 2015-05-14 | 뉴모텍(주) | Fan Motor |
| TWI544723B (en) * | 2013-11-29 | 2016-08-01 | 台灣東電化股份有限公司 | Electromagnetic driving module and lens apparatus using the same |
| JP6385067B2 (en) * | 2014-02-01 | 2018-09-05 | 日本電産コパル株式会社 | Lens drive device |
| TWI516855B (en) * | 2014-05-15 | 2016-01-11 | 台灣東電化股份有限公司 | Tri-axis closed-loop anti-shake structure |
| JP6414396B2 (en) * | 2014-06-16 | 2018-10-31 | ミツミ電機株式会社 | Lens holder driving device and camera-equipped mobile terminal |
| KR20160045385A (en) * | 2014-10-17 | 2016-04-27 | 엘지이노텍 주식회사 | Lens driving unit and camera module including the same |
| EP3040753B1 (en) * | 2014-12-30 | 2024-02-21 | LG Innotek Co., Ltd. | Lens moving apparatus |
| CN112782905B (en) * | 2015-01-28 | 2024-04-02 | Lg伊诺特有限公司 | Lens driving device, camera module and optical device |
| CN105988181B (en) * | 2015-03-19 | 2021-07-23 | Lg伊诺特有限公司 | Lens driving device, camera module and optical apparatus |
| TWI572937B (en) * | 2015-04-17 | 2017-03-01 | 台灣東電化股份有限公司 | Optical image anti-shake device with yoke |
| EP3086154B1 (en) * | 2015-04-24 | 2022-08-31 | LG Innotek Co., Ltd. | Lens moving apparatus and camera module and portable terminal including the same |
| CN113885163B (en) * | 2015-04-29 | 2024-04-26 | Lg伊诺特有限公司 | Lens driving device, camera module and mobile phone |
| KR101717206B1 (en) * | 2015-08-05 | 2017-03-17 | 에이에이씨 어쿠스틱 테크놀로지스(심천)컴퍼니 리미티드 | Camera lens module capable of optical image stabilization with the same |
| CN205377622U (en) * | 2015-09-25 | 2016-07-06 | 爱佩仪光电技术（深圳）有限公司 | Can change optics anti -shake voice coil motor that moves axle center |
| CN108693621B (en) * | 2017-03-29 | 2023-04-18 | 台湾东电化股份有限公司 | Optical assembly driving mechanism |
-
2018
- 2018-03-07 CN CN201810187784.1A patent/CN108693621B/en active Active
- 2018-03-07 CN CN201810188767.XA patent/CN108693619B/en active Active
- 2018-03-07 CN CN201820311300.5U patent/CN208297803U/en active Active
- 2018-03-07 CN CN201820314675.7U patent/CN207882548U/en active Active
- 2018-03-07 CN CN201810185975.4A patent/CN108693620B/en active Active
- 2018-03-07 CN CN201820314394.1U patent/CN207882549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693620A (en) * | 2017-03-29 | 2018-10-23 | 台湾东电化股份有限公司 | Optical module driving mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207882548U (en) | 2018-09-18 |
| CN208297803U (en) | 2018-12-28 |
| CN108693621B (en) | 2023-04-18 |
| CN108693621A (en) | 2018-10-23 |
| CN108693620A (en) | 2018-10-23 |
| CN108693619B (en) | 2022-10-21 |
| CN108693619A (en) | 2018-10-23 |
| CN108693620B (en) | 2021-10-22 |
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