CN207424353U - Optical facilities - Google Patents
Optical facilities Download PDFInfo
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- CN207424353U CN207424353U CN201721499524.5U CN201721499524U CN207424353U CN 207424353 U CN207424353 U CN 207424353U CN 201721499524 U CN201721499524 U CN 201721499524U CN 207424353 U CN207424353 U CN 207424353U
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- Prior art keywords
- sensing
- magnet
- sensing element
- optical facilities
- optical
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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
- 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
-
- 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
- G03B5/00—Adjustment of optical system relative to image or object surface other than for 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Lens Barrels (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The utility model provides a kind of optical facilities, including a fixing piece, a movable member, an optical element, one first sensing magnet and one first sensing element, wherein movable member is movably connected with fixing piece, optical element is arranged on movable member, first sensing magnet corresponds to optical element and with one first pole orientation, first sensing element corresponds to the first sensing magnet, to sense the rotation amount that the first sensing magnet is rotated compared with fixing piece around a first axis, wherein first axis is perpendicular to the first pole orientation.
Description
Technical field
The utility model is related to a kind of optical facilities.For more specifically, the utility model is related to one kind to have sensing
The optical facilities of part.
Background technology
With the development of science and technology, many electronic devices (such as camera or intelligent mobile phone) all have photograph or video recording now
Function.When needing the longer camera lens of focal length being arranged in aforementioned electronic, the increase of electronic device thickness can be caused,
It is unfavorable for the lightening of electronic device, in this regard, the optical facilities that can reflect extraneous light are just provided with, to reach with long-focus
The electronic device of camera lens it is lightening.In addition, optical facilities need to sense optical element in the fortune in each axial direction by sensing element
The dynamic function suitably to adjust focal length and perform optical anti-shake.However, how sensing element is configured in a limited space,
And it is made to sense signal and is not distortion, then to there is problem to be solved at present.
Utility model content
The purpose of this utility model is above-mentioned existing in the prior art how limited to solve to provide a kind of optical facilities
Space in configure sensing element, and make its sense signal be not distortion the problem of.
The utility model provides a kind of optical facilities, including a fixing piece, a movable member, an optical element, one first sense
It surveys magnet and one first sensing element, wherein movable member is movably connected with fixing piece, optical element is arranged on movable member, the
One sensing magnet corresponds to optical element and has one first pole orientation, and the first sensing element corresponds to the first sensing magnet, to
The rotation amount that sensing the first sensing magnet is rotated compared with fixing piece around a first axis, wherein first axis is perpendicular to the first magnetic
Extreme direction.
In one embodiment of the utility model, foregoing first sensing element is a magnetoresistive sensor
(Magnetoresistance,MR)。
In one embodiment of the utility model, foregoing first sensing magnet is arranged on foregoing movable member, and foregoing first sense
Element is surveyed to be arranged on foregoing fixing piece.
In one embodiment of the utility model, from foregoing first pole orientation, foregoing first sensing element with it is foregoing
First sensing magnet is least partially overlapped.
In one embodiment of the utility model, foregoing first sensing magnet is more than foregoing the in the projected area on a plane of reference
One sensing element is in the projected area on above-mentioned reference face, and wherein above-mentioned reference face is perpendicular to foregoing first pole orientation.
In one embodiment of the utility model, aforementioned optical mechanism further includes a magnetic conductive component, local foregoing first sense of masking
The end face of magnet is surveyed, wherein foregoing end face is towards foregoing first sensing element.
In one embodiment of the utility model, foregoing first sensing element is adjacent to the side of foregoing magnetic conductive component.
In one embodiment of the utility model, foregoing first sensing element has one first direction of magnetization, wherein foregoing first
The direction of magnetization is perpendicular to foregoing first axis and foregoing first pole orientation.
In one embodiment of the utility model, foregoing first sensing magnet has a L-shaped structure.
In one embodiment of the utility model, aforementioned optical mechanism further includes one second sensing element, corresponding foregoing first sense
Magnet is surveyed, to sense rotation amount of the foregoing first sensing magnet compared with foregoing fixing piece around one second axial-rotation, wherein
Foregoing second is axially perpendicular to foregoing first axis and foregoing first pole orientation.
In one embodiment of the utility model, aforementioned optical mechanism further includes one second sensing element and one second sensing magnetic
Iron, and foregoing second sensing magnet has one second pole orientation, parallel to foregoing first pole orientation, wherein foregoing second sense
The foregoing second sensing magnet of element sensing is surveyed compared with foregoing fixing piece around the rotation amount of one second axial-rotation, wherein foregoing the
Two are axially perpendicular to foregoing first axis and foregoing second pole orientation.
The advantageous effects of the utility model are：The utility model provides a kind of optical facilities for having sensing element,
Wherein the first sensing element corresponds to the first sensing magnet with the first pole orientation, can thereby sense the first sensing magnet phase
For fixing piece around the rotation amount of the first axis rotation perpendicular to the first pole orientation.For example, the first sensing element can
For magnetoresistive effect sensor (Magnetoresistance Effect Sensor, MR Sensor), improve tradition and use Hall
It the shortcomings that sensor (Hall Effect Sensor) is easily caused distorted signals be subject to other axial influenced, can also reduce
The size of magnet is sensed, therefore can help optical facilities that can more accurately adjust focal length in limited space and perform the anti-hand of optics
The function of shake.
Description of the drawings
Fig. 1 shows the electronic device schematic diagrames of one embodiment of the utility model.
Fig. 2 represents the journey camera lens module schematic diagram of looking in the distance of the utility model Fig. 1.
Fig. 3 represents the exploded view of the first optical facilities of the utility model Fig. 2.
Fig. 4 represents the exploded view of the second optical facilities of the utility model Fig. 2.
Fig. 5 A represent the first elastic element in Fig. 3, the first load-bearing part, the first drive magnet, the first sensing magnet, the first sense
Survey the relative position relation schematic diagram after element is combined with the second sensing element.
Fig. 5 B represent the first elastic element of another embodiment of the utility model, the first load-bearing part, the first drive magnet,
Relative position relation schematic diagram after one senses magnet, the first sensing element is combined with the second sensing element.
Fig. 5 C represent the first elastic element of another embodiment of the utility model, the first load-bearing part, the first drive magnet,
One senses the relative position relation schematic diagram after magnet, magnetic conductive component, the first sensing element are combined with the second sensing element.
Fig. 5 D represent the first elastic element of another embodiment of the utility model, the first load-bearing part, the first drive magnet,
Relative position relation schematic diagram after one senses magnet, the first sensing element is combined with the second sensing element.
Fig. 5 E represent the first elastic element of another embodiment of the utility model, the first load-bearing part, the first drive magnet,
One senses the relative position relation schematic diagram after magnet, the second sensing magnet, the first sensing element are combined with the second sensing element.
Wherein, the reference numerals are as follows：
10 lens systems
11 look in the distance journey camera lens module
12 wide-angle side camera lens modules
20 electronic devices
1100 reflecting elements
1200 first elastic elements
1210 outer rings section
1220 inner ring sections
1300 first load-bearing parts
1400 first drive magnets
1500 first sensing magnet
1510 magnetic conductive components
1520 second sensing magnet
1600 first sensing elements
1610 second sensing elements
1700 first frames
1710 holes
1800 first coils
1900 first circuit boards
2110 head covers
2111 perforation
2120 shells
2130 bottom covers
2131 perforation
2400 second elastic elements
2600 second frames
2610 hollow bulbs
2700 second load-bearing parts
2800 focusing elements
2910 the 3rd axial position detectors
2920 second circuit boards
2930 second coils
2940 second drive magnets
2950 the 3rd axial sensing objects
C central shafts
C1 housings
L1 extraneous lights
The second extraneous lights of L2
The first optical facilities of M1
The second optical facilities of M2
O is open
R accommodating spaces
S1 image sensors
A1 first axis
A2 second is axial
The first pole orientations of P1
The second pole orientations of P2
First direction of magnetizations of D1
Second direction of magnetizations of D2
Specific embodiment
Illustrate the optical facilities of the utility model embodiment below.However, it 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.Revealed specific embodiment is only used
In explanation with ad hoc approach using the utility model, 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 general those skilled in the art institute.It is appreciated that these terms, such as determines in usually used dictionary
The term of justice should be interpreted to have a meaning consistent with the background or context of correlation technique and this exposure, without should be with
One idealization or excessively formal mode are understood, unless especially definition herein.
Foregoing and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to the one of schema
In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as：Upper,
Under, it is left and right, front or rear etc., be only the direction with reference to annexed drawings.Therefore, the direction term used is for illustrating not to use
To limit the utility model.
Referring initially to Fig. 1, the lens system 10 of one embodiment of the utility model can be installed in an electronic device 20, used
To take a picture or photograph, wherein aforementioned electronic 20 may be, for example, intelligent mobile phone or digital camera.Lens system 10 has
Two camera lens modules are looked in the distance 11 and one wide-angle side camera lens module 12 of journey camera lens module including one.In photograph or photography, this two
A camera lens module can receive light respectively and be imaged, and foregoing imaging can transmit to the processor being arranged in electronic device 20 (not
Diagram), and by the post processing of processor progress image.
As shown in Fig. 2, foregoing journey camera lens module 11 of looking in the distance includes a housing C1, one first optical facilities M1, one second
An optical facilities M2 and image sensor S1.The inside of housing C1 is formed with an accommodating space R, and is formed on its wall surface
The opening O connected with accommodating space R.First optical facilities M1, the second optical facilities M2 and image sensor S1 are arranged at accommodating
In the R of space, the second optical facilities M2 is between the first optical facilities M1 and image sensor S1, and foregoing opening O is formed at
Above first optical facilities M1.
When an extraneous light L1 passes through opening O and the accommodating space R into journey camera lens module 11 of looking in the distance along Y direction,
Extraneous light L1 can be reflected by the first optical facilities M1, and the extraneous light L1 after being reflected will pass through second approximately along Z-direction
Optical facilities M2 simultaneously arrives at image sensor S1, and image sensor S1 can be thereby imaged.
Fig. 3 represents the exploded view of the first optical facilities M1 of the utility model Fig. 2.Also referring to Fig. 2,3, in this implementation
In example, the first optical facilities M1 mainly includes a reflecting element 1100, one first elastic element 1200, one first load-bearing part
1300th, a plurality of first drive magnets 1400, one first sensing magnet 1500, one first sensing element 1600, one second sensing
Element 1610, one first frame 1700,1800 and one first circuit board 1900 of a plurality of first coils.For the purpose of simplifying the description,
Fig. 3 omits the icon of the first frame 1700, first coil 1800 and first circuit board 1900, wherein, reflecting element 1100, the
One elastic element 1200, the first load-bearing part 1300, the first drive magnet 1400 and the first sensing magnet 1500 are approximately along in one
Mandrel C is arranged, and the first sensing magnet 1500 has one first pole orientation P1, parallel to central shaft C.
First elastic element 1200 has outer ring section 1210 and an inner ring section 1220, wherein before the connection of the first frame 1700
Outer ring section 1210 is stated, and 1100 and first load-bearing part 1300 of reflecting element is individually fixed on the opposing face of inner ring section 1220.It changes
Yan Zhi, reflecting element 1100 and foregoing first load-bearing part 1300 are connected with each other by the first elastic element 1200.In addition, four
First drive magnet 1400 is individually fixed in four sides of the first load-bearing part 1300, and the first sensing magnet 1500 then corresponds to anti-
It penetrates element 1100 and is fixed on the bottom of the first load-bearing part 1300.
As shown in Fig. 2, first circuit board 1900 is fixed on housing C1, and the first frame 1700,1800 and of first coil
First sensing element 1600 and the second sensing element 1610 are fixed on first circuit board 1900.Foregoing first coil 1800 and
First, the second sensing element 1600,1610 may pass through the hole 1710 on the first frame 1700, and first coil 1800 corresponds respectively to
Foregoing first drive magnet 1400, the first sensing element 1600 and the second sensing element 1610 then correspond to the first sensing magnet
1500, and can be used to the position of detection the first sensing magnet 1500.
By foregoing first elastic element 1200 can make 1100 and first load-bearing part 1300 of reflecting element be movably connected in
First frame 1700 wherein the first elastic element 1200 and the first load-bearing part 1300 are used as a movable member, is movably connected in work
For the first frame 1700 of a fixing piece, and reflecting element 1100 then for an optical element and is arranged at the first load-bearing part 1300
On.When electric current is passed through first coil 1800 by user, magnetic can be generated between 1800 and first drive magnet 1400 of first coil
Power makes 1100 and first load-bearing part 1300 of reflecting element can be compared with the first frame 1700 around the first axle parallel to X-direction
It is rotated (as shown in Figure 5A) to A1 and/or parallel to the second axial direction A2 of Y direction, uses fine tuning extraneous light L1 and arrive at image
Sensor S1 positions.Foregoing reflecting element can be a prism.However, also the first sensing magnet 1500 can be arranged at the first frame
On 1700 (fixing pieces), and the first sensing element 1600 and the second sensing element 1610 are arranged at the first load-bearing part 1300 (can
Moving part) on.
Foregoing first sensing element, 1600 and second sensing element 1610 can be magnetoresistive effect sensor
(Magnetoresistance Effect Sensor, MR Sensor), such as giant magnetoresistance effect sensor (Giant
Magnetoresistance Effect Sensor, GMR Sensor), tunnel magneto-resistance effect sensor (Tunneling
Magnetoresistance Effect Sensor, TMR Sensor), normal magnetoresistive effect sensor (Ordinary
Magnetoresistance Effect Sensor, OMR Sensor), super giant magnetoresistance effect sensor (Colossal
Magnetoresistance Effect Sensor, CMR Sensor) or incorgruous magnetoresistive effect sensor (Anisotropic
Magnetoresistance Effect Sensor, AMR Sensor), and the first sensing element 1600 and the second sensing element
1610 can be integrated in same integrated circuit component.Since the sensitivity of magnetoresistive effect sensor is higher, the direction of magnetization also has
There is directive property, distorted signals will not be caused be subject to other axial influenced, same sensing is corresponded to using different sensing elements
Magnet just can measure axially different rotation amount, can also reduce the size of sensing magnet, therefore can help optical facilities in limited
Focal length can be more accurately adjusted in space.
Fig. 4 represents the exploded view of the second optical facilities M2 of the utility model Fig. 2.As shown in Figure 2,4, the second optical facilities
M2 mainly includes a head cover 2110, a shell 2120, a bottom cover 2130, one focusing 2800, two the second elastic elements of element
2400th, one second frame 2600, one second load-bearing part 2700, one the 3rd axial position detector 2910, a second circuit board
2920th, two the second coils, 2930, two the second drive magnets 2940 and one the 3rd axial sensing object 2950.
The second elastic element of both of the aforesaid 2400 connects the second frame 2600 and the second load-bearing part 2700, and is located at the respectively
The opposite side of two load-bearing parts 2700, so that the second load-bearing part 2700 is movably suspended to the hollow bulb 2610 of the second frame 2600
In.Focusing element 2800 is arranged in the second load-bearing part 2700 and is supported by the second load-bearing part 2700.Second coil, 2930 He
Second drive magnet 2940 is respectively arranged on the second load-bearing part 2700 and the second frame 2600, and is corresponded to each other.In X-axis
Direction, two the second coils 2930 are located at the opposite side of the second load-bearing part 2700, and two the second drive magnets 2940 are arranged at
On the opposite inner surface of two frames 2600.When electric current flows into the second coil 2930, the second coil 2930 and the second drive magnet
Electromagnetic induction can be generated between 2940, the second load-bearing part 2700 and focusing element 2800 can be therefore compared with 2600 edges of the second frame
Z-direction (the 3rd is axial) is mobile.
3rd axial sensing object 2950 is fixed on the second frame 2600.Second circuit board 2920 is fixed on the second load-bearing part
On 2700, the 3rd axial position detector 2910 is then arranged on second circuit board 2920, therefore when the second load-bearing part 2700 moves
When, 2920 and the 3rd axial position detector 2910 of second circuit board can also move.When the second load-bearing part 2700 moves,
The detectable 3rd axial sensing object 2950 of 3rd axial position detector 2910 and its relative position.
Foregoing 3rd axial position detector 2910 can be hall effect sensor (Hall Sensor), magnetoresistance biography
Sensor (Magnetoresistance Effect Sensor, MR Sensor), giant magnetoresistance effect sensor (Giant
Magnetoresistance Effect Sensor, GMR Sensor), tunnel magneto-resistance effect sensor (Tunneling
Magnetoresistance Effect Sensor, TMR Sensor), normal magnetoresistive effect sensor (Ordinary
Magnetoresistance Effect Sensor, OMR Sensor), super giant magnetoresistance effect sensor (Colossal
Magnetoresistance Effect Sensor, CMR Sensor), incorgruous magnetoresistive effect sensor (Anisotropic
Magnetoresistance Effect Sensor, AMR Sensor), optical sensor (Optical Encoder) or red
Outside line sensor (Infrared Sensor).It is passed when using hall effect sensor, magnetoresistive effect sensor, giant magnetoresistance effect
Sensor, tunnel magneto-resistance effect sensor, normal magnetoresistive effect sensor, super giant magnetoresistance effect sensor or incorgruous magnetoresistance pass
When sensor is as the 3rd axial position detector 2910, the 3rd axial sensing object 2950 can be a magnet.When using optical sensing
When device or infrared ray sensor are as the 3rd axial position detector 2910, the 3rd axial sensing object 2950 can be a reflector plate.
Please continue to refer to Fig. 4, head cover 2110 and bottom cover 2130 may be disposed at both sides of shell 2120 and in combination, with shape
Into a box like structure, foregoing second elastic element 2400, the second frame 2600, the second load-bearing part 2700, focusing element 2800, the
Three axial position detectors 2910, second circuit board 2920, the second coil 2930, the second drive magnet 2940 and the 3rd axial sense
Object 2950 is surveyed all to be placed in this box like structure.
By head cover 2110, shell 2120 and bottom cover 2130 in this present embodiment it is made of non-conductive material, therefore can
Avoid generating the situation of short circuit or interference between the first optical facilities M1 and the second optical facilities M2.It should be noted that head cover
2110 it is corresponding with position is respectively formed on bottom cover 2130 perforation 2111,2131, therefore by the first optical facilities M1 reflection and
The extraneous light L1 mobile along Z-direction (the 3rd is axial) successfully can arrive at focusing member through the perforation 2131 of bottom cover 2130
Part 2800, and can successfully image sensor S1 be arrived at through the perforation 2111 of head cover 2110.Foregoing focusing element 2800 can
For an optical mirror slip.
In the present embodiment, because the first optical facilities M1 can drive reflecting element 1100 around parallel to X-direction
One axial direction A1 and/or parallel to Y direction the second axial direction A2 rotations (as shown in Figure 5A), therefore adjustable extraneous light L1 is arrived at
The position of image sensor S1, to reach the effect of optical anti-shake (Optical Image Stabilization, OIS).Again
Because the second optical facilities M2 can drive focusing element 2800 mobile along Z-direction (the 3rd is axial), therefore adjustable focusing member
The distance between part 2800 and image sensor S1, to reach the effect of auto-focusing (Auto Focus, AF).
Fig. 5 A expressions are from the direction of the central shaft C in Fig. 3, foregoing first elastic element 1200, the first load-bearing part
1300th, the first drive magnet 1400, first sensing magnet 1500, the first sensing element 1600 are combined with the second sensing element 1610
Relative position relation schematic diagram afterwards.As shown in Figure 5A, the first load-bearing part 1300 is fixed on the inner ring of the first elastic element 1200
In section 1220.In addition, four the first drive magnets 1400 are fixed on four sides of the first load-bearing part 1300, the first sensing magnet
1500 bottoms for being fixed on the first load-bearing part 1300, wherein the first sensing magnet 1500 is circle, and with parallel central shaft C
And perpendicular to the one first pole orientation P1 of first axis A1.
Please continue to refer to Fig. 5 A, the position of the first sensing element 1600 and the second sensing element 1610 corresponds to the first sensing
Magnet 1500, and from the first pole orientation P1, the first sensing element 1600 and the second sensing element 1610 can be with first
It is least partially overlapped to sense magnet 1500.It is worth noting that, first sensing magnet 1500 with central shaft C and the first magnetic pole side
Projected area on a plane of reference vertical to P1 is more than the first sensing element 1600 in the projected area on this plane of reference, such as schemes
Shown in 5A.In the present embodiment, the first sensing element 1600 can be used to sensing the first sensing magnet 1500 compared with the first frame
1700 rotation amounts rotated around first axis A1, and it has perpendicular to the one first of first axis A1 and the first pole orientation P1
Direction of magnetization D1；In addition, the second sensing element 1610 can be used to sensing the first sensing magnet 1500 compared with the first frame 1700
Around the rotation amount of the second axial direction A2 rotations, and it has one second magnetization perpendicular to the second axial direction A2 and the first pole orientation P1
Direction D2.
However, the mode that also other can be taken different sets the first sensing magnet 1500, the first sensing element 1600 and
Two sensing elements 1610.As shown in Figure 5 B, in this present embodiment, first magnet 1500 is sensed as rectangular or square, and first
The position of 1600 and second sensing element 1610 of sensing element is respectively adjacent to the different sides of the first sensing magnet 1500, to obtain
Preferably sensing effect.
Fig. 5 C are referred to, represent the first elastic element 1200, the first load-bearing part of another embodiment of the utility model
1300th, the first drive magnet 1400, first sensing magnet 1500, magnetic conductive component 1510, the first sensing element 1600 and the second sense
Survey the relative position relation schematic diagram after element 1610 combines.In this present embodiment, the local masking of a magnetic conductive component 1510 is set
First sensing magnet 1500 is towards the first sensing element 1600 and the end face of the second sensing element 1610, and the first sensing element
1600 and second the position of sensing element 1610 be respectively adjacent to the different sides of magnetic conductive component 1510, and corresponding to the first sensing magnetic
The part that iron 1500 is not covered by magnetic conductive component 1510, to obtain preferably sensing effect.
Fig. 5 D are referred to again, represent the first elastic element 1200, the first load-bearing part of another embodiment of the utility model
1300th, the first drive magnet 1400, first sensing magnet 1500, the first sensing element 1600 are combined with the second sensing element 1610
Relative position relation schematic diagram afterwards.In this present embodiment, first magnet 1500 is sensed as L-shaped, and the first sensing element 1600
Corresponding first mutually perpendicular two protrusions in magnet 1500, and neighbouring first sense are sensed with the second sensing element 1610 respectively
The side of magnet 1500 is surveyed, to obtain preferably sensing effect.
Then Fig. 5 E are referred to, represent the first elastic element 1200, first carrying of another embodiment of the utility model
Part 1300, the first drive magnet 1400, first sensing magnet 1500, second sense magnet 1520, the first sensing element 1600 with
Relative position relation schematic diagram after the combination of second sensing element 1610.In this present embodiment, the first sensing magnet 1500 and the
Two sensing magnet 1520 are all strip, and substantially orthogonal, and the second sensing magnet 1520 has and the first pole orientation P1
One second parallel pole orientation P2.It is to be understood that the position due to the first sensing element 1600 and the second sensing element 1610
It puts and corresponds to the first sensing sensing magnet 1520 of magnet 1500 and second respectively, therefore can be used to sense the first sensing magnet respectively
1500 and second sense magnet 1520 compared with the first frame 1700 rotating around the rotation amount of the axial directions of first axis A1 and second A2.
In conclusion the utility model provides a kind of optical facilities for having sensing element, the first optical facilities are may be, for example,
M1 or the second optical facilities M2, but not limited to this.Wherein the first sensing element corresponds to first with the first pole orientation
Magnet is sensed, can thereby sense the first sensing magnet compared with fixing piece around the first axis rotation perpendicular to the first pole orientation
Rotation amount.For example, the first sensing element can be magnetoresistive effect sensor (Magnetoresistance Effect
Sensor, MR Sensor), improve tradition and be easily subject to other axial directions using Hall sensor (Hall Effect Sensor)
Influence and the shortcomings that cause distorted signals, can also reduce the size of sensing magnet, therefore optical facilities can be helped in limited sky
Between in can more accurately adjust focal length and perform optical anti-shake function.
Although the utility model is disclosed above with foregoing several preferred embodiments, so it is new to be not limited to this practicality for it
Type.The utility model those of ordinary skill in the art, without departing from the spirit and scope of the utility model, when
It can do a little change and retouching.Therefore the scope of protection of the utility model when regard appended claims institute's defender as
It is accurate.In addition, each claim is construed as an independent embodiment, and the combination of various claims and embodiment is all between this
In the range of utility model.
Claims (11)
1. a kind of optical facilities, which is characterized in that including：
One fixing piece；
One movable member is movably connected with the fixing piece；
One optical element is arranged on the movable member；
One first sensing magnet, the corresponding optical element, and with one first pole orientation；And
One first sensing element, the corresponding first sensing magnet, to sense the first sensing magnet compared with the fixing piece around
The rotation amount of one first axis rotation, wherein the first axis is perpendicular to first pole orientation.
2. optical facilities as described in claim 1, which is characterized in that first sensing element is a magnetoresistive sensor.
3. optical facilities as described in claim 1, which is characterized in that the first sensing magnet is arranged on the movable member, and
First sensing element is arranged on the fixing piece.
4. optical facilities as described in claim 1, which is characterized in that from first pole orientation, first sensing
Element and the first sensing magnet are least partially overlapped.
5. optical facilities as described in claim 1, which is characterized in that the first sensing magnet is in the perspective plane on a plane of reference
Product is more than first sensing element in the projected area on the plane of reference, and wherein the plane of reference is perpendicular to first pole orientation.
6. optical facilities as described in claim 1, which is characterized in that the optical facilities further include a magnetic conductive component, part
The end face of the first sensing magnet is covered, the wherein end face is towards first sensing element.
7. optical facilities as claimed in claim 6, which is characterized in that first sensing element is adjacent to the side of the magnetic conductive component
Side.
8. optical facilities as claimed in claim 6, which is characterized in that first sensing element has one first direction of magnetization,
Wherein first direction of magnetization is perpendicular to the first axis and first pole orientation.
9. optical facilities as described in claim 1, which is characterized in that the first sensing magnet has a L-shaped structure.
10. optical facilities as described in claim 1, which is characterized in that the optical facilities further include one second sensing element,
Corresponding first sensing magnet, to sense the rotation of the first sensing magnet compared with the fixing piece around one second axial-rotation
Amount, wherein this second be axially perpendicular to the first axis and first pole orientation.
11. optical facilities as described in claim 1, which is characterized in that the optical facilities further include one second sensing element with
And one second sensing magnet, and this second sensing magnet have one second pole orientation, parallel to first pole orientation, wherein
Second sensing element senses the rotation amount of the second sensing magnet compared with the fixing piece around one second axial-rotation, wherein should
Second is axially perpendicular to the first axis and second pole orientation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762441696P | 2017-01-03 | 2017-01-03 | |
| US62/441,696 | 2017-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424353U true CN207424353U (en) | 2018-05-29 |
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ID=62305483
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499524.5U Active CN207424353U (en) | 2017-01-03 | 2017-11-08 | Optical facilities |
| CN201711091032.7A Active CN108267829B (en) | 2017-01-03 | 2017-11-08 | Optical element driving mechanism |
| CN201711092011.7A Active CN108267830B (en) | 2017-01-03 | 2017-11-08 | Optical mechanism |
| CN201721481854.1U Active CN207488597U (en) | 2017-01-03 | 2017-11-08 | Optical element driving mechanism |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711091032.7A Active CN108267829B (en) | 2017-01-03 | 2017-11-08 | Optical element driving mechanism |
| CN201711092011.7A Active CN108267830B (en) | 2017-01-03 | 2017-11-08 | Optical mechanism |
| CN201721481854.1U Active CN207488597U (en) | 2017-01-03 | 2017-11-08 | Optical element driving mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267830A (en) * | 2017-01-03 | 2018-07-10 | 台湾东电化股份有限公司 | Optical facilities |
| CN111243466A (en) * | 2018-11-28 | 2020-06-05 | 深圳市曙影科技发展有限公司 | Elevator advertisement projection arrangement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209803439U (en) * | 2018-07-25 | 2019-12-17 | 台湾东电化股份有限公司 | Driving mechanism |
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| JPH08234082A (en) * | 1995-02-28 | 1996-09-13 | Canon Inc | Optical device |
| DE10017355A1 (en) * | 1999-04-09 | 2000-11-16 | Asahi Optical Co Ltd | Device fitted with a camera for correcting jitter in a focussed image includes a group of optical systems contained in a photographic optical system, a fast reversible mirror, an optical finder system and an audio frequency sensor. |
| JP3848670B1 (en) * | 2005-07-20 | 2006-11-22 | 株式会社トーメンエレクトロニクス | Rotation angle detector |
| CN102016709B (en) * | 2008-04-30 | 2014-04-09 | 日本电产三协株式会社 | Optical unit with shake correcting function and photographic optical device |
| JP5500785B2 (en) * | 2008-05-14 | 2014-05-21 | 新科實業有限公司 | Magnetic sensor |
| CN101726851B (en) * | 2008-10-14 | 2014-02-26 | 日本电产三协株式会社 | Optical unit with shake correcting function |
| WO2010082555A1 (en) * | 2009-01-14 | 2010-07-22 | 日本電産コパル株式会社 | Image blur correction apparatus and image pickup unit having image blur correction apparatus |
| US8982464B2 (en) * | 2010-10-22 | 2015-03-17 | Tdk Taiwan Corporation | Tilt-type anti-shake compensation structure for auto-focus module |
| CN103649828B (en) * | 2012-05-10 | 2018-04-17 | 松下电器（美国）知识产权公司 | Camera drive device |
| EP2916153B1 (en) * | 2014-03-05 | 2021-04-07 | LG Innotek Co., Ltd. | Lens moving apparatus and camera module including the same |
| JP6513903B2 (en) * | 2014-03-31 | 2019-05-15 | 旭化成エレクトロニクス株式会社 | Camera module, position control method of optical element thereof and portable device |
| KR20160045385A (en) * | 2014-10-17 | 2016-04-27 | 엘지이노텍 주식회사 | Lens driving unit and camera module including the same |
| CN207424353U (en) * | 2017-01-03 | 2018-05-29 | 台湾东电化股份有限公司 | Optical facilities |
-
2017
- 2017-11-08 CN CN201721499524.5U patent/CN207424353U/en active Active
- 2017-11-08 CN CN201711091032.7A patent/CN108267829B/en active Active
- 2017-11-08 CN CN201711092011.7A patent/CN108267830B/en active Active
- 2017-11-08 CN CN201721481854.1U patent/CN207488597U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267830A (en) * | 2017-01-03 | 2018-07-10 | 台湾东电化股份有限公司 | Optical facilities |
| CN108267830B (en) * | 2017-01-03 | 2022-08-26 | 台湾东电化股份有限公司 | Optical mechanism |
| CN111243466A (en) * | 2018-11-28 | 2020-06-05 | 深圳市曙影科技发展有限公司 | Elevator advertisement projection arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207488597U (en) | 2018-06-12 |
| CN108267829B (en) | 2024-05-07 |
| CN108267830A (en) | 2018-07-10 |
| CN108267830B (en) | 2022-08-26 |
| CN108267829A (en) | 2018-07-10 |
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