CN206618891U - Lens driver and the photographic means and electronic equipment for possessing it - Google Patents
Lens driver and the photographic means and electronic equipment for possessing it Download PDFInfo
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- CN206618891U CN206618891U CN201720038721.0U CN201720038721U CN206618891U CN 206618891 U CN206618891 U CN 206618891U CN 201720038721 U CN201720038721 U CN 201720038721U CN 206618891 U CN206618891 U CN 206618891U
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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 123
- 238000006073 displacement reaction Methods 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000005415 magnetization Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 24
- 239000012634 fragment Substances 0.000 description 24
- 230000004907 flux Effects 0.000 description 8
- 210000000707 wrist Anatomy 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000037431 insertion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
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- 239000004575 stone Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The lens driver of Miniaturizable is provided, and possesses its photographic means and electronic equipment.In the lens driver, moving parts possesses the lens mount for fixing lens, fixing member supports moving parts is moved freely along the radial direction of lens, and magnetite is fixed on the part in moving parts and fixed component, and displacement is fixed on another part with coil；Magnetite has positioned at the yoke of center and around the yoke, the polylith magnetite pieces that are fixed in the yoke；Polylith magnetite pieces have respectively the first magnetic pole strength for being fixed in yoke and with its towards opposite direction the second magnetic pole strength；The magnetic pole that polylith magnetite pieces are magnetized to all first magnetic pole strengths is identical, and the second magnetic pole strength is opposite with its magnetic pole；Polylith magnetite pieces are fixed in yoke, and the radial direction of the direction of magnetization and lens intersects vertically；Displacement coil is radially axial Circular Winding with lens；At least part of transmission gap of inner peripheral surface of displacement coil windings is just to the second magnetic pole strength.
Description
【Technical field】
The utility model is related to a kind of lens driver for electronic equipments such as mobile portable phone and smart mobile phones, and
Possess the photographic means and electronic equipment of the lens driver.
【Background technology】
In view of the application in the equipment such as photographic means, may possess anti-shake apparatus on conventional lens driver.
Electromagnetism anti-shake apparatus in the past possesses magnetite and displacement coil, and makes lenticular unit along vertically by magnetite and displacement coil
Moved in the direction of optical axis, so as to be compensated (patent document 1) to shake.
【Prior art document】
【Patent document】
【Patent document 1】Patent discloses 2011-65140 publications
【Utility model content】
【Utility model problem to be solved】
Lens driver in patent document 1 possesses lens mount, focusing with coil, magnetite and displacement coil.This is saturating
In mirror drive, focusing is that coiling is formed on lens mount with coil, and is installed on magnetic pole strength on the inside of magnetite using gap
Inner side.Displacement in certain example is formed with coil for coiling relative with magnetic pole strength on the outside of magnetite.Displacement line in other examples
Circle is formed by axial coiling of optical axis direction.Therefore, lens driver radial dimension becomes big.
The purpose of this utility model is to provide a kind of lens driver of Miniaturizable, and possesses lens driving dress
The photographic means and electronic equipment put.
【The method solved the problems, such as】
A kind of lens driver, it is characterised in that possess moving parts, fixed component, magnetite and displacement coil,
The moving parts possesses the lens mount for fixing lens, and moving parts described in the fixing member supports is along institute
The radial direction for stating lens is moved freely, and the magnetite is fixed on a certain part in the moving parts and the fixed component,
The displacement is fixed on another part with coil；
The magnetite has positioned at the yoke of center and around the yoke, the polylith magnetic that is fixed in the yoke
Flag；
The polylith magnetite pieces have respectively the first magnetic pole strength for being fixed in the yoke and with first magnetic pole strength
Towards the second magnetic pole strength of opposite direction；
The magnetic pole that the polylith magnetite pieces are magnetized to all first magnetic pole strengths is identical, second magnetic pole strength and institute
The magnetic pole for stating the first magnetic pole strength is opposite；
The polylith magnetite pieces are fixed in the yoke, and the direction of magnetization and the radial direction of the lens intersect vertically；
The displacement with coil be with the lens radially be axial Circular Winding；
At least part of transmission gap of inner peripheral surface of the displacement coil windings is just to second magnetic pole strength.
【Utility model effect】
The utility model can provide a kind of lens driver of Miniaturizable, and possess the lens driver
Photographic means and electronic equipment.
【Brief description of the drawings】
A kind of legend of Fig. 1 a and Fig. 1 b the first embodiment of lens driver involved by embodiment the utility model
Represent, wherein Fig. 1 a are stereogram, Fig. 1 b are sectional view.
Fig. 2 is the exploded perspective view of lens driver shown in Fig. 1 a.
The stereogram of Fig. 3 lens driver partially assembled states shown in expression Fig. 1 a.
Fig. 4 a are a kind of pictorial representation of the polylith magnetite pieces of composition magnetite.
Fig. 4 b are a kind of pictorial representation of the curvature of composition magnetite.
Fig. 4 c are a kind of pictorial representation of magnetite.
Fig. 4 d are expression magnetite and the sectional view of the position relationship of displacement coil.
Fig. 5 a, Fig. 5 b, Fig. 5 c and Fig. 5 d are respectively other pictorial representations of magnetite.
A kind of legend table of Fig. 6 a, Fig. 6 b second of embodiment of lens driver involved by embodiment the utility model
Show.Fig. 6 a are stereogram, and Fig. 6 b are sectional view.
Fig. 7 is the exploded perspective view of lens driver shown in Fig. 6 a.
The stereogram of Fig. 8 lens driver partially assembled states shown in expression Fig. 6 a.
【Number explanation】
1 lens driver
2 front frame bodies
2a outer peripheral sidewalls
2b front side walls
2c through holes
3 front side shell fragments
3a inner periphery side portions
3b peripheries sidepiece
3c wrists
3d jacks
4 magnetites
5 (5a, 5h) magnetite pieces
6 yokes
The magnetic pole strengths of 7a first
The magnetic pole strengths of 7b second
The yoke surfaces of 8a first
The yoke surfaces of 8b second
The yoke surfaces of 8c the 3rd
9 magnetite framves
9a cylindrical walls
9b magnetite placements portion
9c holes
10 lens mounts
10a lens supports
10b outer surfaces
10c cylindrical walls
10d juts
11 focusing coils
12 rear side shell fragments
12a inner periphery side portions
12b peripheries sidepiece
12c wrists
13 displacement coils
13a inner peripheral surfaces
14 printed base plates
15 wire springs
16 rear frame bodies
16a through holes
16b cylindrical walls
16c magnetite configuration sections
Projection on front side of 16d
Projection on rear side of 16e
17 moving parts
18 fixed components
【Embodiment】
Embodiment of the present utility model is illustrated with reference to drawing.
This embodiment is that a kind of lens applied to electronic equipments photographic means such as mobile portable phone, smart mobile phones drive
Dynamic device.
[structure of the lens driver of the first embodiment]
Explanation when, using the above-below direction in Fig. 1 b, Fig. 6 b as lens axis direction, Fig. 1 b, Fig. 6 b in upside be light
On front side of direction of principal axis, the downside in Fig. 1 b, Fig. 6 b is on rear side of optical axis direction.Front side is subject (not shown) side, and rear side is shooting
Element (not shown) side.
First, reference picture 1a~Fig. 4 d content is said to the structure of the lens driver 1 of the first embodiment
It is bright.
As shown in Fig. 1 a~Fig. 3, lens driver 1 possesses moving parts 17, fixed component 18, magnetite 4 and displacement and used
Coil 13.Moving parts 17 includes front side flat spring 3, magnetite frame 9, lens (not shown) support 10, focusing coil 11, rear side
Flat spring 12.Fixed component 18 includes front frame body 2, rear frame body 16, can support the magnetic of one of the part of moving parts 17
Stone frame 9 is radially moved freely along lens.Magnetite 4 is fixed on moving parts 17, and displacement coil 13 is fixed on fixed component 18
On.
Possess multiple magnetites 4 in device, than being 4 in such example.Each magnetite 4 is fixed on magnetite frame 9, along lens
It is radially relative with the outer surface 10b of lens mount 10 through gap, and circumferentially spaced 90 degree of configurations.
As shown in Fig. 4 a to Fig. 4 d, each magnetite 4 has positioned at the yoke 6 of center and around yoke 6, is fixed on
Polylith magnetite pieces 5a, 5b, 5c, 5d in yoke 6.Sometimes below can with " magnetite pieces 5 " be referred to as polylith magnetite pieces 5a, 5b, 5c,
5d.Magnetite pieces 5 possess the first magnetic pole strength 7a and the second magnetic pole strength 7b respectively.First magnetic pole strength 7a is fixed in yoke 6.Second magnetic
Pole-face 7b and the first magnetic pole strength 7a is towards opposite direction.It is identical that magnetite pieces 5 are magnetized to the first magnetic pole strength 7a magnetic poles, such as be all N
Pole, the second magnetic pole strength 7b and the first magnetic pole strength 7a magnetic poles are on the contrary, be such as all S poles.Magnetite pieces 5 are individually fixed in yoke 6, magnetization
The radial direction of direction and lens intersects vertically.
Yoke 6 has the first yoke surface 8a, the second yoke surface 8b, the 3rd yoke surface 8c.First yoke surface 8a is along lens footpath
To relative with the outer surface 10b of lens mount 10 towards internal diameter direction.Second yoke surface 8b is towards opposite with the first yoke surface 8a
External diameter direction.3rd yoke surface 8c is towards the direction radially intersected vertically with lens, and some faces are towards optical axis direction, some faces
Towards the direction intersected vertically with the foregoing face towards optical axis direction.First magnetic pole strength 7a of magnetite pieces 5 is around the of yoke 6
The three all-round fixations of yoke surface 8c.
The magnetic flux that each magnetite pieces 5a, 5b, 5c, 5d the first magnetic pole strength 7a for being magnetized to N poles are sent is from the 3rd yoke surface 8c
In aggregation to yoke 6, radially projected from the first yoke surface 8a and the second yoke surface 8b to lens.It so can obtain larger magnetic flux
Density.
In addition, magnetization of the magnetic flux from direction injection each magnetite pieces 5a, 5b, 5c, the 5d diametrically substantially intersected vertically with lens
For the second magnetic pole strength 7b of S poles.
As shown in Fig. 1 a~Fig. 3, displacement is identical with the quantity of magnetite 4 with coil 13.It is with lens footpath that everybody, which diverts from one use to another coil 13,
To the Circular Winding for axial direction.At least part of transmission gaps of inner peripheral surface 13a that everybody diverts from one use to another the winding of coil 13 are just right
Second magnetic pole strength 7b of magnetite pieces 5.
Displacement is fixed on the lens radially inner side face of printed base plate 14 with the lens radial outer side of coil 13.Print base
From lens radially, the plate body to be square, with four faces, displacement coil 13 is fixed on its each face plate 14.Print
Each face of brush substrate 14 is all installed on each outer peripheral sidewall 2a medial surface of front frame body 2.Therefore, everybody diverts from one use to another coil
13 be, along the configuration spaced apart of lens circumference direction, and to be fixed in fixed component 18.Displacement is with coil 13 via printing
Substrate 14 is powered.
Lens mount 10 is cylindrical body, and lens support 10a is formed with the inner circumferential side of the cylindrical body.Lens are placed in lens branch
At the 10a of support part.
Focusing is, using optical axis direction as axial Circular Winding, to be fixed on the outer surface 10b of lens mount 10 with coil 11.
Focusing is relative with the first yoke surface 8a of yoke 6 through gap with the outer surface of coil 11.
Magnetite frame 9 is cylindrical body.The effect of magnetite frame 9 is fixed magnetite 4, and support lens mount 10 to optical axis direction from
By moving.Magnetite frame 9 is radially to be installed along lens from the periphery of lens mount 10 using gap.
Magnetite frame 9 is square in terms of optical axis direction, and has the cylindrical wall 9a for radially seeing and being square from lens.Each tubular
Respectively possesses magnetite placement portion 9b on wall 9a.There is magnetite placement portion 9b hole 9c, hole 9c radially to see and be square respectively from lens.Remove
The neighboring of hole 9c beyond front side is all prominent from cylindrical wall 9a to lens radial outside.
Each magnetite 4 is fixed on magnetite placement portion 9b.Therefore magnetite 4 be along the configuration spaced apart of lens circumference direction,
It is fixed on moving parts 17.
Front side shell fragment 3 is made of an electrically conducting material, and is divided into four parts.Each front side shell fragment 3 all possesses inner periphery side portion 3a and outer
All sidepiece 3b.Compared with inner periphery side portion 3a, periphery sidepiece 3b is located at lens radial direction more lateral.Inner periphery side portion 3a and periphery sidepiece 3b
Pass through wrist 3c elastic connections.Inner periphery side portion 3a is fixed on the front side of lens carrier 10.Periphery sidepiece 3b is fixed on magnetite frame 9
On four angles of front side.
The inner periphery side portion 3a of front side shell fragment 3 is electrically connected with focusing coil 11.With the position being fixed on 9 jiaos of magnetite frame
Compared to jack 3ds of the periphery sidepiece 3b positioned at lens radial direction more lateral provided with insertion wire spring 15, for fixing steel wire
One end of spring 15 is simultaneously connected electrically.Focusing coil 11 is powered through wire spring 15 and front side shell fragment 3.
Rear side shell fragment 12 is made of an electrically conducting material, and is divided into four parts.Each rear side shell fragment 12 all possess inner periphery side portion 12a and
Periphery sidepiece 12b.Compared with inner periphery side portion 12a, periphery sidepiece 12b is located at lens radial direction more lateral.Inner periphery side portion 12a and periphery
Sidepiece 12b passes through wrist 12c elastic connections.Inner periphery side portion 12a is fixed on the rear side of lens carrier 10.Periphery sidepiece 12b is fixed
In on four angles of the rear side of magnetite frame 9.
Front side shell fragment 3 and rear side shell fragment 12 can support lens mount 10 and moved against magnetite frame 9 along optical axis direction.
Rear frame body 16 is square plate body in terms of optical axis direction.The center of rear frame body 16 provided be available for through
The through hole 16 that the light of lens passes through.There is the steel wire bullet stretched on front side of optical axis direction respectively on four angles of rear frame body 16
Spring 15.
In terms of optical axis direction, front frame body 2 is square box structure, with outer peripheral sidewall 2a and front side wall 2b.Front side wall
2b center is provided with and is available for the through hole 2c that the light of directive lens passes through.The outer peripheral sidewall 2a of front frame body 2 rear end dress
At the outer ledge of rear frame body 16.
Wire spring 15 is 4 conductive steel wires, and one end is fixed on the front side shell fragment 3 on magnetite frame 9, the other end
It is fixed in rear frame body 16.Wire spring 15 can support magnetite frame 9, i.e. moving parts 17, against rear frame body 16, that is, fix
Part 18, is radially moved freely along lens.
In the lens driver 1 of this first embodiment, it with lens is radially axial ring that displacement coil 13, which is,
Shape winding, displacement passes through second magnetic pole strength 7b of the gap just to magnetite pieces 5 with the inner peripheral surface 13a of the winding of coil 13.
Therefore, it is the displacement of coiling relative with magnetic pole strength on the outside of magnetite with loop construction and using optical axis direction as axial coiling
Displacement loop construction compare under, the design can be minimized to lens radial dimension.
As described below, displacement passes through second magnetic of the gap just to magnetite 5 with the inner peripheral surface 13a of the winding of coil 13
Pole-face 7b can make displacement coil 13 produce electromagnetic force.Therefore, the inner peripheral surface 13a that the winding of coil 13 is diverted from one use to another in place is passed through
Gap is just for the second magnetic pole strength 7b of magnetite 5 structure, as shown in Figure 1 b, and inner peripheral surface 13a is at least part of to be passed through
Second magnetic pole strength 7b of the gap just to magnetite pieces 5.
When the direction for having arrow 19 shown in electric current along Fig. 4 d in the displacement coil 13 of lens driver 1 by when, should
What electric current was interlinked can make displacement coil 13 produce directive lens to the second magnetic pole strength 7b of each magnetite pieces 5 magnetic flux sent
The electromagnetic force of radial outside.The reaction force of this electromagnetic force can make magnetite 4 produce power to lens radially inner side, so that move portion
Move in the direction for the power that part 17 is together produced with magnetite 4 along this magnetite.
When the direction for having arrow 20 shown in electric current along Fig. 4 d in displacement coil 13 by when, moving parts 17 along with arrow
Opposite direction is moved when 19.
When having electric current flowing in displacement coil 13, moving parts 17 is with magnetite 4 together along lens radially against fixed bit
Fixed component 18 used in coil 13 is diverted from one use to another to move.I.e. lens mount 10 and the lens that are fixed on support along lens radially against front side
Framework 2 and rear frame body 16 are moved.Stabilization function so can be achieved.
When the direction for having arrow 21 shown in electric current along Fig. 3 in focusing coil 11 by when, the electric current interlinked from magnetic
The magnetic flux that first magnetic pole strength 8a of yoke 6 is sent to lens radially inner side can produce the electromagnetic force on front side of optical axis direction, so that
Lens mount 10 and the lens being fixed on support are mobile to optical axis direction front side.
When the direction for having arrow 22 shown in electric current along Fig. 3 in focusing coil 11 by when, lens mount 10 and be fixed on branch
Lens on frame are mobile to optical axis direction rear side.
Therefore, when have in focusing coil 11 electric current by when, lens mount 10 and the lens being fixed on support can be along light
Direction of principal axis is moved.The position that lens will be moved to front side shell fragment 3, the restoring force of rear side shell fragment 12 and thrust (electromagnetic force) balance each other
Realize the action such as focusing.Electric current only can flow in one direction.
The deformation of magnetite 4 is illustrated below according to Fig. 5 a to Fig. 5 d.
Magnetite 4 shown in Fig. 5 a has four trapezoidal magnetite pieces 5 of plate yoke 6 and section in rectangular shape.Magnetic
First magnetic pole strength 7a of flag 5 length is shorter than the second magnetic pole strength 7b length.First magnetic pole strength 7a of each magnetite pieces 5 is surrounded
The 3rd all-round fixations of yoke surface 8c of yoke 6.And the second magnetic pole strength 7b of magnetite pieces 5 and the second of other adjacent magnetite pieces 5
Magnetic pole strength 7b is connected.Therefore, the outer surface of magnetite 5 is all the second magnetic pole strength 7b, so interlinked with displacement coil 13
The less generation uneven phenomenon of magnetic flux.
Magnetite 4 shown in Fig. 5 b has the plate yoke 6 and 2 tabular magnetite pieces in rectangular shape in rectangular shape
5, magnetite pieces 5 clamp yoke 6 along before and after optical axis direction.That is the 3rd yoke surface 8c of yoke 6 has two faces towards optical axis direction, respectively
First magnetic pole strength 7a of magnetite pieces 5a, 5b is individually fixed on the two the 3rd yoke surface 8c.Therefore lens can simply be produced
Drive device 1.
The magnetite pieces 5e of magnetite 4 shown in Fig. 5 c is fixed on the second yoke surface 8b of magnetite 4 shown in Fig. 5 a.Magnetite pieces 5e
The first magnetic pole strength 7a be also magnetized to the first magnetic pole strength 7a identical magnetic poles with other magnetite pieces 5.Therefore, each magnetite pieces 5a,
5b, 5c, 5d, 5e magnetic flux are only sent from the first yoke surface 8a, so magnetic flux density is bigger than magnetite shown in Fig. 5 a.
Magnetite 4 shown in Fig. 5 d has discoideus yoke 6 and 3 fan-shaped tabular magnetite pieces 5.3rd yoke surface 8c is against vertically
In the direction of lens radial direction.Each magnetite pieces 5f, 5g, 5h the first magnetic pole strength 7a surround the 3rd all-round fixations of yoke surface 8c.Can
The direction of magnetization is managed according to the shape of magnetite pieces 5, therefore is easy to make.
[structure of the lens driver of second of embodiment]
First, reference picture 6a~Fig. 8 content is said to the structure of the lens driver 1 of second of embodiment
It is bright.In the lens driver 1 of diagram, magnetite 4 is fixed in fixed component 18, and displacement coil 13 is fixed on moving parts 17
On.In addition to the structure of moving parts 17 and fixed component 18 is changed, other are all identical with the first embodiment, therefore
Its explanation can be quoted.
Moving parts 17 includes lens mount 10 and focusing coil 11.And fixed component 18 includes front frame body 2 and rear side
Framework 16, without magnetite frame 9 and wire spring 15 etc..Front side shell fragment 3 and rear side shell fragment 12 are connected part 18 and move portion
Part 17, and support moving parts 17 radially to be moved freely along lens axis direction and lens.
Lens mount 10 possesses cylindrical wall 10c, radially sees that cylindrical wall 10c is square from lens.Focusing coil 11 is fixed on
On cylindrical wall 10c outer surface.The front and back end on cylindrical wall 10c each surface is formed with outstanding jut 10d.
The outer circumferential side of focusing coil 11, displacement is sandwiched in wherein with coil 13 by two juts 10d, 10d of front and back end.
The inner periphery side portion 3a of front side shell fragment 3 is fixed on the front side of lens mount 10.The inner periphery side portion 12a of rear side shell fragment 12 is fixed
In the rear side of lens mount 10.Focusing coil 11 and displacement coil 13 are electrically connected with front side shell fragment 3 and/or rear side shell fragment 12.
Rear frame body 16 is seen as cylindrical body from optical axis direction, and extends with the front side from square neighboring to optical axis direction
Cylindrical wall 16b.Notch is outputed from cylindrical wall 16b forward edge to center on cylindrical wall 16b each face, magnetic is formed
Stone configuration section 16c.Magnetite 4 is loaded on each magnetite configuration section 16c.Therefore, magnetite 4 is to match somebody with somebody along lens circumference direction is spaced apart
Put and be fixed in fixed component 18.
In addition, being respectively equipped with front side projection 16d on four angles of the forward edge of rear frame body 16.Front side projection 16d is embedding
Enter the jack 3d of front side shell fragment 3, the periphery sidepiece 3b of front side shell fragment 3 is fixed on cylindrical wall 16b forward edge.
And rear side projection 16e is respectively equipped with four angles of the bottom of rear frame body 16.Rear side projection 16e insertion rear side bullets
The jack 12d of piece 12, the periphery sidepiece 12b of rear side shell fragment 12 are fixed on cylindrical wall 16b bottom.
Front frame body 2 is made using magnetic material, abuts and also may be used with the radial outer side of magnetite 4.
When have in displacement coil 13 electric current by when, moving parts 17 is along lens radially against solid used in fixed magnetite 4
Determine part 18 to move.I.e. lens mount 10 and the lens that are fixed on support along lens radially against front frame body 2 and rear frame body
16 movements.So achievable stabilization function.
And when have in focusing coil 11 electric current by when, lens mount 10 and the lens being fixed on support can be along optical axis sides
To movement.Realize the position that lens will be moved to front side shell fragment 3, the restoring force of rear side shell fragment 12 and thrust (electromagnetic force) balance each other
The action such as focusing.
It is identical with the lens driver 1 of the first embodiment in the lens driver 1 of this second of embodiment
, it with lens is radially axial Circular Winding that displacement coil 13, which is, the inner peripheral surface 13a of its winding as shown in Figure 6 b,
Second magnetic pole strength 7b of at least part of transmission gap just to multiple magnetite pieces 5.Therefore, this second of embodiment is saturating
Mirror drive 1 can also be minimized compared with the original structure of lens driver to lens radial dimension.
Moreover, magnetite 4 and displacement along the circumferential direction respectively set four with coil 13 in this example, but respectively set two and also may be used.Now
Preferably the two magnetites 4 and displacement are configured with 90 degree of the interblock gap of coil 13.In addition, setting three groups of magnetites 4 and displacement
Also may be used with the combination of coil 13.Now best along the circumferential direction equidistant intervals.
In addition, magnetite pieces 5 are not limited to point-score shown in Fig. 4 a to Fig. 4 d and Fig. 5 a to Fig. 5 d, for example can two parts, can also divide
Obtain more.
In addition, the radially inner side face of the first yoke surface 8a and magnetite pieces 5 is drawn as same level on drawing, but it is real
When border is applied and it is not limited, the first yoke surface 8a also can, be sunken against the radially inner side face protrusion of magnetite pieces 5 also may be used.
In addition, the first yoke surface 8a is set to curved surface and also may be used.
[photographic means, the embodiment of electronic equipment]
Said lens drive device 1 can be minimized to lens radial dimension.Therefore using saturating in this embodiment
The electronic equipments such as photographic means, mobile portable phone, the smart mobile phone of mirror drive 1 can also carry out small-sized to lens radial dimension
Change.
The optimal embodiment of the utility model is illustrated above by reference to annex drawing, but the utility model is simultaneously
Above-mentioned embodiment is not limited to, can described to carry out numerous variations in grasped technical scope according to patent claim.
Claims (12)
1. a kind of lens driver, it is characterised in that possess moving parts, fixed component, magnetite and displacement coil,
The moving parts possesses the lens mount for fixing lens, and moving parts described in the fixing member supports is along described
The radial direction of mirror is moved freely, and the magnetite is fixed on the part in the moving parts and the fixed component, institute's rheme
Coil is diverted from one use to another to be fixed on another part；
The magnetite has positioned at the yoke of center and around the yoke, the polylith magnetite that is fixed in the yoke
Piece；
The polylith magnetite pieces have respectively the first magnetic pole strength for being fixed in the yoke and with first magnetic pole strength towards
Second magnetic pole strength of opposite direction；
The magnetic pole that the polylith magnetite pieces are magnetized to all first magnetic pole strengths is identical, second magnetic pole strength and described the
The magnetic pole of one magnetic pole strength is opposite；
The polylith magnetite pieces are fixed in the yoke, and the direction of magnetization and the radial direction of the lens intersect vertically；
The displacement with coil be with the lens radially be axial Circular Winding；
At least part of transmission gap of inner peripheral surface of the displacement coil windings is just to second magnetic pole strength.
2. lens driver according to claim 1, it is characterised in that：The magnetite and the displacement coil are along institute
State the configuration spaced apart of lens circumference direction multiple.
3. lens driver according to claim 1, it is characterised in that：The yoke has the first yoke surface, second
Yoke surface and the 3rd yoke surface, first yoke surface along the lens radially, institute relative with the outer surface of the lens mount
The second yoke surface and first yoke surface are stated towards opposite direction, the 3rd yoke surface is towards radially vertical with the lens
Direction, first magnetic pole strength of the magnetite pieces is fixed on the 3rd yoke surface.
4. lens driver according to claim 3, it is characterised in that：The magnetite pieces exist along the 3rd yoke surface
The yoke it is whole arranged circumferentially.
5. lens driver according to claim 4, it is characterised in that：3rd yoke surface has towards described
The face of mirror optical axis direction and the face towards the direction that intersected vertically with the face towards optical axis direction.
6. lens driver according to claim 3, it is characterised in that：3rd yoke surface has two towards institute
The face in lens axis direction is stated, the magnetite pieces are individually fixed on described two faces.
7. lens driver according to claim 3, it is characterised in that：The lens driver is also equipped with another magnetic
Flag, the first magnetic pole strength of another magnetite pieces is fixed in second yoke surface.
8. lens driver according to claim 1, it is characterised in that：The lens driver also has focusing line
Circle, and the focusing is, using the lens axis direction as axial Circular Winding, and to be fixed on the lens mount with coil
On outer surface, the yoke possesses towards the face of the focusing coil outer surface.
9. lens driver according to claim 8, it is characterised in that：The lens driver is also equipped with being used to fix
The magnetite frame of the magnetite, the magnetite frame fixes the magnetite, and supports the lens mount free to the optical axis direction
It is mobile,
The moving parts possesses the lens mount and the magnetite frame for fixing the magnetite, and the fixed component is fixed described
Displacement coil.
10. lens driver according to claim 8, it is characterised in that：The moving parts possesses for fixing institute
Rheme diverts from one use to another the lens mount of coil, and the fixed component fixes the magnetite.
11. a kind of photographic means, possesses the lens driver described in any one in claim 1~10.
12. a kind of electronic equipment, possesses the lens driver described in any one in claim 1~10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038721.0U CN206618891U (en) | 2017-01-12 | 2017-01-12 | Lens driver and the photographic means and electronic equipment for possessing it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038721.0U CN206618891U (en) | 2017-01-12 | 2017-01-12 | Lens driver and the photographic means and electronic equipment for possessing it |
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| Publication Number | Publication Date |
|---|---|
| CN206618891U true CN206618891U (en) | 2017-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720038721.0U Withdrawn - After Issue CN206618891U (en) | 2017-01-12 | 2017-01-12 | Lens driver and the photographic means and electronic equipment for possessing it |
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| Country | Link |
|---|---|
| CN (1) | CN206618891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303777A (en) * | 2017-01-12 | 2018-07-20 | 新思考电机有限公司 | Lens driver and the photographic means and electronic equipment for having it |
| CN109579879A (en) * | 2017-09-28 | 2019-04-05 | 新思考电机有限公司 | Position detection, driving, lens driving, optics, photographic means and electronic equipment |
-
2017
- 2017-01-12 CN CN201720038721.0U patent/CN206618891U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303777A (en) * | 2017-01-12 | 2018-07-20 | 新思考电机有限公司 | Lens driver and the photographic means and electronic equipment for having it |
| CN108303777B (en) * | 2017-01-12 | 2024-04-23 | 新思考电机有限公司 | Lens driving device, camera device and electronic device having the same |
| CN109579879A (en) * | 2017-09-28 | 2019-04-05 | 新思考电机有限公司 | Position detection, driving, lens driving, optics, photographic means and electronic equipment |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171107 Effective date of abandoning: 20240423 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171107 Effective date of abandoning: 20240423 |
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| AV01 | Patent right actively abandoned |