CN106199895A - Lattice coil, lens driver, cam device and electronic equipment - Google Patents
Lattice coil, lens driver, cam device and electronic equipment Download PDFInfo
- Publication number
- CN106199895A CN106199895A CN201610049805.4A CN201610049805A CN106199895A CN 106199895 A CN106199895 A CN 106199895A CN 201610049805 A CN201610049805 A CN 201610049805A CN 106199895 A CN106199895 A CN 106199895A
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/12—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lens Barrels (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides a kind of lattice coil, it is formed with more than at least 3 odd lines ring layers, and with in one direction must be relative to the coil of other direction length, the first terminal position, the second terminal position and through hole position by spooling, in the one end side of the direction, the inner side of the first coil in the ground floor of the first terminal position and described coil connects；On the outside of the one end side that the second terminal position is arranged on the direction, the second coil is positioned in the second layer of one of described coil layer；Through hole position is used for connecting described the first terminal position and the second terminal position, and compared with described second coil, described first coil length in the one end side of the direction is longer.The present invention provides a kind of lattice coil being easily formed and being made up of odd lines ring layer, and provides the application lens driver of this lattice coil, cam device and electronic equipment.
Description
Technical field
The present invention relates to lattice coil, lens driver, cam device and electronic equipment.
Background technology
Small-sized image pickup head it is mounted with in the electronic equipment such as mobile phone and smart phone.In this small-sized image pickup head with
Parts are revised in shake.It addition, be also arranged for driving lens in the small-sized image pickup head have shake correcting function
Lens driver.
Shake is revised in the following ways, will shifting including the lens carrier being arranged on lens driver
Dynamic component, is pushed to and the direction of optical axis direction right angle intersection, then carries out shake correction.In order to promote mobile parts,
Magnet and coil is applied in the lens driver using aforesaid way.
In conventional electronic device, in patent documentation 1 (the open JP2014-232837 publication of patent) disclosure
Shown in holding, several layers are formed printed coil respectively, utilizes through hole position to connect the multilamellar between these printed coils
Coil purposes is wider.
Such as, if applying lattice coil on lens driver, when increasing the coil number of plies, mobile parts are promoted
Motive force will be further increased, the thickness in lamination direction is also by thickening.Therefore, it is necessary to consider thrust and thickness
Balance carry out design lines ring layer number.
But, in traditional method, the coil number of plies of general lattice coil is even number, the coil layer of odd number to be arranged
Number is not easy to.Reason is as follows, when the terminal being connected with outside wiring position being arranged on the outside of coil, if
The coil number of plies is even number, for example with " coil of the terminal position → ground floor of outside wiring starts spooling (outside)
The coil of → ground floor terminates the coil of spooling (internal) → second layer and starts the line of spooling (internal) → second layer
Circle terminates the terminal position of spooling (outside) → outside wiring " form preferably, therefore there is no problem.But,
If the coil number of plies is odd number, for example with " it is (outer that the coil of the terminal position → ground floor of outside wiring starts spooling
Portion) coil of → ground floor terminates the coil of spooling (internal) → second layer and starts spooling (internal) → second layer
Coil terminate the coil of spooling (outside) → third layer and start the coil of spooling (outside) → third layer and terminate to twine
Volume (internal) " form, be positioned at coil inside owing to the coil of third layer terminates spooling, and if outside wiring
Connect, it is necessary to stride across the coil of third layer, exist and must set the problems such as a coil layer again.
Summary of the invention
It is contemplated that in solving the above-mentioned problem existed always, it is easy to form the many layer lines being made up of odd lines ring layer
Circle, and the application lens driver of this lattice coil, cam device and electronic equipment are provided.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is as follows:
A kind of lattice coil, is formed with more than at least 3 the odd lines ring layer including 3, and with in one direction by
Spooling must be relative to the coil of other direction length, the first terminal position, the second terminal position and through hole position, in the direction
One end side in, the inner side of the first coil in the ground floor of the first terminal position and described coil connects；Second terminal
On the outside of the one end side that position is arranged on the direction, the second coil is positioned in the second layer of one of described coil layer；
Through hole position is used for connecting described the first terminal position and the second terminal position, compared with described second coil, and described
One coil length in the one end side of the direction is longer.
From the point of view of best angle, described second terminal position and the distribution being powered described coil connect.
From the point of view of best angle, described second terminal position is connected in other coils being formed at described coil outer.
From the point of view of best angle, also include the 3rd terminal position, the 4th terminal position, connect described 3rd terminal position
With other through hole positions at described 4th terminal position, the 3rd terminal position is connected the inner of tertiary coil, the 3rd line
Circle is positioned at and belongs in the described coil layer wherein third layer of a layer；4th terminal position is connected the interior of described second coil
End.
From the point of view of best angle, also include the 5th terminal position, the 6th terminal position, connect described 5th terminal position
With other through hole positions at described 6th terminal position, the 5th terminal position is connected on the outer end of described first coil；
6th terminal position is connected on the outer end of described coil, and described coil is formed at the coil layer adjacent with described ground floor
On one of.
The present invention also provides for a kind of lens driver, be mounted with described lattice coil, in described lattice coil
Optical axis direction to Magnet, and the coil layer of described lattice coil is in the direction of the optical axis by laminate layer.
The present invention also provides for a kind of cam device, is mounted with stating lens driver, be placed in described Magnet
Lens carrier, the lens supported by described lens carrier, receive described lens distribute light by optical sensor.
The present invention also provides for a kind of electronic equipment, is mounted with described cam device.
Compared with prior art, the present invention has a following beneficial effect:
Utilize the present invention, owing to first coil length is arranged longer than the second coil, and by through hole position, will
The first terminal position that is connected with first coil the inner and be arranged on the second terminal position outside the second coil and be connected,
Therefore can be easily formed the lattice coil being made up of odd-level, additionally the present invention may also provide and applies aforenoted multi-layer line
Lens driver, cam device and the electronic equipment of circle.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the decomposition chamfer map of Section 1 embodiment associated lens driving means of the present invention；
Fig. 2 is Section 1 embodiment associated lens driving means of the present invention, but does not include the chamfer map of radome；
Fig. 3 is the line A-A sectional view shown in Section 1 embodiment associated lens driving means of the present invention, Fig. 2；
Fig. 4 is the line B-B sectional view shown in Section 1 embodiment associated lens driving means of the present invention, Fig. 2；
Fig. 5 is that Section 1 embodiment of the present invention is correlated with the plane graph of lattice coil；
Fig. 6 is that Section 2 embodiment of the present invention is correlated with the plane graph of lattice coil；
Fig. 7 is according to Section 1 embodiment of the present invention lattice coil relevant with Section 2 embodiment, the enforcement to composition
The plane graph that example is shown.
In figure:
10, lens driver, 12, radome, 14, top spring members, 16, magnet holder, 18,
Yoke, 20, Magnet, 22, lens carrier, 24, optical axis direction drive coils special, 26, lower section spring
Part, 28, supporting-line, 30, printed coil substrate, 32, wiring substrate, 34, pedestal, 62, lattice coil,
72a～72c, coil layer, 74a～74c, coil, 80a～80g, terminal position, 82a～82c,
Through hole position.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in those skilled in the art
Member is further appreciated by the present invention, but limits the present invention the most in any form.It should be pointed out that, the common skill to this area
For art personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into
Protection scope of the present invention.
With reference to the accompanying drawings, embodiment of the present invention are illustrated.
First, the overview for lens driver illustrates.
In Fig. 1～Fig. 4, show the lens driver 10 that Section 1 embodiment of the present invention is relevant.
As shown in Fig. 1 preferred plan, lens driver 10 is mounted with radome 12, top spring members 14,
Magnet holder 16, yoke 18, Magnet 20, lens carrier 22, optical axis direction drive coils special 24, lower section bullet
Spring parts 26, supporting-line 28, printed coil substrate 30, wiring substrate 32 and pedestal 34.
It addition, in this detail form, according to practical situation, by a side of the optical axis direction of lens driver 10
Being referred to as top, the opposing party is referred to as lower section.
Radome 12 is made up of nonmagnetic substances such as such as rustless steels, and profile viewed from above presents quadrangle,
Being provided with circular first bore 36, light is passed by this first hole 36.By above-mentioned radome 12 be arranged on this screen
Cover the pedestal 34 on the downside of cover 12, the surrounding of lens driver 10 is covered.
As shown in Fig. 2 preferred plan, top spring members 14 is divided into two parts, is mounted with Magnet respectively and props up
Frame side fixed position 38, lens carrier side fixed position 40, connection magnet holder side fixed position 38 and
The elastic shaft arm position 42 of lens carrier side fixed position 40.Top spring members 14 is with supporting-line fixed part
Position 44, starts outwardly from magnet holder side fixed position 38, presents ring-type.In magnet holder 16 four
Angle, utilizes binding agent etc., magnet holder side fixed position 38 to be entrenched on protruding parts, magnet holder side 46,
And be fixed against, and protruding parts, magnet holder side 46 is formed in magnet holder 16.Lens carrier side
Protruding parts 48 is formed at above lens carrier 22, and lens carrier side fixed position 40 is entrenched in this lens
On side face protruding parts 48, and it is fixed against by binding agent etc..From magnet holder side fixed position
The side, protruding parts 46, magnet holder side of 38 starts, and elastic shaft arm position 42 is protruded to lens carrier side
Position 48, wriggles and extends to the diagonal angle on side simultaneously, and with the lens carrier of lens carrier side fixed position 40
Protruding parts, side 48 connects.
Yoke 18 belongs to magnetic bodies, viewed from above presents square shape, utilizes binding agent etc., yoke 18
Upper end is fixed in magnet holder 16.Magnet 20 is made up of 4 pieces of parts presenting rectangular shape, is fixed
Below the four edges of yoke 16.Binding agent etc., the outside of Magnet 20 is utilized to be fixed on yoke 18
On inner face.
Lens carrier 22 is mounted with the supportive body position 50 of cylindrical shape, from the periphery at aforementioned supportive body position 50
Face starts, on outside protuberance several coil fixed positions 52, from the outer peripheral face epirelief at supportive body position 50
Go out and present the flange position 54 of flange shape.Supportive body position 50 forms such as screw etc. in inner side, not
The lens of diagram will be tightened.
The heart yearns such as spooling such as copper, optical axis direction drives coils special 24 to form dimetric framework.By with thoroughly
Below the flange position 54 of mirror support 22, the outside with coil fixed position 52 contacts, and aforementioned optical axis direction drives
Dynamic coils special 24 is fixed on lens carrier 22.Aforementioned optical axis direction drive coils special 24 outside with
Magnet 20 each in the face of to.It addition, aforementioned optical axis direction drive coils special 24 one end be divided into two
Spring members 14 electricity above the connection of spring members 14 electricity, the other end and another one above one of them of part
Connection.
Having identical structure with top spring members 14, lower section spring members 26 is mounted with magnet holder side and fixes
Position 56, lens carrier side fixed position 58, connection magnet holder side fixed position 56 and lens carrier side
The elastic shaft arm position 60 of face fixed position 58.Binding agent etc., magnet holder side fixed position 56 is utilized to be consolidated
It is scheduled on the corner, downside of magnet holder 16.Furthermore with binding agent etc., lens carrier side fixed position 58 quilt
It is fixed on below lens carrier 22.By top spring members 14 and lower section spring members 26, at upper and lower
Upwards lens carrier 22 is supported, and presents by the shape of embedding folder, and relative with magnet holder 16, can go up
Under move freely.
Printed coil substrate 30 is formed as quadrangle framework, divides in four limits of aforementioned printed coil substrate 30
Lattice coil 62 is not set.Below lattice coil 62 and Magnet 20 to, common with yoke 18 and Magnet 20
Composition is for shaking the actuator of correction.
Forming external connection terminals 64 in wiring substrate 32, this external connection terminals 64 is at wiring substrate 32
Protrude downwards on one side.It addition, by the special concave part of outside terminal 66 formed in radome 12, front
State outside terminal 64 to expose.
Pedestal 34 is positioned at the lower section of radome 12, is fixed on the inner side of radome 12.The second circular hole 68
Being arranged on this pedestal 34, light is passed by this second hole 68.
Wiring substrate is fixed on the top of pedestal 34, it addition, printed coil substrate 30 is fixed on wiring substrate
The top of 32.
Aforementioned top spring members 14, magnet holder 16, yoke 18, Magnet 20, lens carrier 22, optical axis side
Mobile parts 70 are formed to driving coils special 24 and lower section spring members 26.Parts 70 are moved at this
In corner, this moves parts 70 and is supported by 4 supporting-lines 28.
I.e. supporting-line 28 is made up of the fine rule of elastically deformable, as shown in Figure 2 and Figure 4, and the one of this supporting-line 28
End is fixed on wiring substrate 32, and the other end is fixed on the supporting-line fixed position 44 of top spring members 14
On.Due to supporting-line 28 elastically deformable, supporting-line 28 supports mobile parts 70, with optical axis direction right angle
In the direction intersected, mobile parts 70 can move in parallel.
Scope in supporting-line 28,2 supporting-lines are held concurrently band distribution effect.I.e. by 1 supporting-line 28, top
Spring members 14 is divided into two parts, by spring members 14 above one of them, from wiring substrate 32
Portion connects terminal 64 and enters, and flows into optical axis direction driving coils special 24 for adjusting the electric current of optical axis direction；Separately
Outer by spring members 14 and supporting-line 28 above another, aforementioned currents gradually connects from the outside of wiring substrate 32
Connecting terminal 64 flows out.
Lens are supported by aforesaid lens support 22.Lens driver 10 quilt of lens is supported by lens carrier 22
It is placed on cam device.In cam device, utilize by optical sensor detect shooting object give out,
And the light inputted by aforesaid lens.Additionally by the controller at held, to the lens for focusing
Amount of movement calculates.Coils special 24 is driven in order to make the electric current corresponding with lens moving flow into optical axis direction,
Aforementioned controllers carries out relevant control.If electric current flows in optical axis direction drives coils special 24, by magnetic
The flux effects that ferrum 20 sends, moves up or down generation in optical axis direction drives coils special 24
Electromagnetic force.If producing electromagnetic force in optical axis direction drives coils special 24, lens will be with aforementioned optical axis direction
Coils special 24 and lens carrier 22 is driven jointly to move, to top spring members 14 and lower section spring members 26
Produce resistance, and focus.
If it addition, shake occurs in cam device, utilizing not shown sensor that bias direction and degree are carried out
Detection, is then energized in the lattice coil 62 being described in detail, and produces electromagnetic force in mobile parts 70,
Utilize the elastic force phase resistance effect with supporting-line 28, mobile to the direction with optical axis direction right angle intersection, carry out with this
Shake is revised.
It is described in detail then for lattice coil 62.
Fig. 5 illustrates the first embodiment of lattice coil 62.This lattice coil 62 is included 3 by more than 3
Odd-level forms, and the most in this embodiment, this lattice coil 62 is by 3 coil layer 72a, 72b, 72c
Composition.
Ground floor 72a is positioned at the top, and second layer 72b is positioned at bottom, and third layer 72c is positioned at ground floor 72a
Centre with second layer 72b.Utilize the feature in terms of such as printing, ground floor 72a, second layer 72b, third layer
72c is respectively provided with first coil 74a, the second coil 74b, tertiary coil 74c.First coil 74a,
Two coil 74b, tertiary coil 74c are respectively provided with two extended to a direction (being left and right directions in Fig. 5)
Straight line position 76a-1,76a-2,76b-1,76b-2,76c-1,76c-2, and with the semicircle position of the left and right sides
78a-1,78a-2,78b-1,78b-2,78c-1,78c-2, and respectively with the degree of 10 turns by Inside To Outside
Spooling, or by spooling inside lateral.
Second coil 74b and tertiary coil 74c presents same shape, with the second coil 74b and tertiary coil 74c
Comparing, first coil 74a is in the two ends in a direction, and only W presents long length.
The first terminal position 80a is positioned on the inner side of one of them semicircle position of first coil 74a 78a-1,
And connect the inner of first coil 74a.Second terminal position 80b be positioned in the second coil 74b one of them half
On the outside of circle position 78b-1, and on connection wiring end A.The first terminal position 80a and the second terminal position 80b
Left and right directions position consistency, by first through hole position 82a connect.Only in this part (W), before formation
Stating the side of the first terminal position 80a, the first coil 74a length than the second coil 74b is long.
3rd terminal position 80c is positioned on the inner side of one of them semicircle position of tertiary coil 74c 78c-1,
And connect the inner of tertiary coil 74c.4th terminal position 80d be positioned in the second coil 74b one of them half
On the inner side of circle position 78b-1, and connect the inner of the second coil 74b.3rd terminal position 80c and the 4th end
The left and right directions position consistency of sub-position 80d, is connected by the second through hole position 82b.I.e. at the 3rd terminal position
In 80c and the 4th terminal position 80d, it is connected between the inner of tertiary coil 74c and the second coil 74b.
5th terminal position 80e is positioned on the outside of first coil 74a another one semicircle position 78a-2,
And connect the outer end of first coil 74a.6th terminal position 80f is positioned in tertiary coil 74c another one half
Justify on the outside of position 78c-2, and connect the outer end of tertiary coil 74c, in multilamellar direction, tertiary coil 74c
Adjoin with first coil 74a.5th terminal position 80e and the left and right directions position consistency of the 6th terminal position 80f,
Connected by third through-hole position 82c.I.e. in the 5th terminal position 80e and the 6th terminal position 80f, first
It is connected between the outer end of coil 74a and tertiary coil 74c.
7th terminal position 80g is positioned on the outside of one of them semicircle position of the second coil 74b 78b-1,
And connect outer end and the distribution end B of the second coil 74b.Also can connect coil in distribution end A and distribution end B
The power supply that 74a～74c is powered, as be described hereinafter shown in case study on implementation, also can be with the outside at coil 74a～74c
Other coils formed are attached.
In aforementioned component, by the first through hole position 82a, flow into the second terminal position 80b's from distribution end A
Electric current flows into the first terminal position 80a, and flows in the direction of the clock from the Inside To Outside of first coil 74a.
By third through-hole position 82c, the electric current flowing to the 5th terminal position 80e from first coil 74a then flows to
Six terminal position 80f, and flow in the direction of the clock inside the lateral of tertiary coil 74c.Lead to by second
Position, hole 82b, the electric current flowing to the 3rd terminal position 80c from tertiary coil 74c then flows to the 4th terminal position
80d, and flow in the direction of the clock from the Inside To Outside of the second coil 74b.Further, at the second coil 74b
The electric current of middle flowing is flowed out to distribution end B by the 7th terminal position 80g.
As shown in the arrow of Fig. 5, due at first coil 74a, the second coil 74b, tertiary coil 74c
Middle electric current flows the most in the direction of the clock, can be by the thrust corresponding with respective revolution aggregate value at mobile parts 70
On.It addition, compared with the second coil 74b and tertiary coil 74c, only W length is relatively at two ends for first coil 74a
Long, reason is the balance in order to keep thrust.Merely comprise the first terminal position 80a and the second terminal position 80b
The length of one end side is longer also may be used.
As it has been described above, in the present embodiment, the length of first coil 74a can be arranged to obtain ratio the second coil 74b
Long, further, since by the first through hole position 82a, connect and be positioned at the first terminal portion inside first coil 74a
Position 80a and be positioned at the second terminal position 80b outside the second coil 74b, therefore can be set to odd number by the coil number of plies.
Fig. 6 illustrates the Section 2 embodiment of lattice coil 62.
Lattice coil 62 with ground floor 72a, below ground floor 72a the second layer 72b of laminate layer, at the second layer
Third layer 72c of laminate layer below 72b.Respectively by print in ground floor 72a, second layer 72b, third layer 72c
Brush isotype arranges first coil 74a, the second coil 74b, tertiary coil 74c.First coil 74a, the second line
Circle 74b, tertiary coil 74c are respectively provided with two straight lines extended to a direction (being left and right directions in Fig. 6)
Position 76a-1,76a-2,76b-1,76b-2,76c-1,76c-2, be positioned at left side semicircle position 78a, 78b,
78c, connecting portion 84a, 84b, the 84c of rectilinear form on right side, each with 10 carryover degree from Inside To Outside
Spooling, or outside-in spooling.
Second coil 74b and tertiary coil 74c presents same shape, with the second coil 74b and tertiary coil 74c
Comparing, first coil 74a is in the direction being provided with the first terminal position 80a and the second terminal position 80b
In two ends, only W presents long length.
The first terminal position 80a is positioned on the inner side of semicircle position 78a of first coil 74a, and with first
The inner side of coil 74a connects.Second terminal position 80b is positioned in the semicircle position 78b's of the second coil 74b
On outside, and it is connected with distribution end B.The first terminal position 80a and the left and right directions position of the second terminal position 80b
Put consistent, be attached by the first through hole position 82a.
3rd terminal position 80c is positioned on the inner side of semicircle position 78c of tertiary coil 74c, and with the 3rd
The inner connection of coil 74c.4th terminal position 80d is positioned in the semicircle position 78b's of the second coil 74b
On inner side, and it is connected with the inner of the second coil 74b.3rd terminal position 80c's and the 4th terminal position 80d
Left and right directions position consistency, is connected by the second through hole position 82b.I.e. at the 3rd terminal position 80c and the 4th end
In sub-position 80d, it is connected between the inner of tertiary coil 74c and the second coil 74b.
5th terminal position 80e is positioned on the outside of semicircle position 78a of first coil 74a, and with first
The outer end of coil 74a connects.6th terminal position 80f is positioned in the semicircle position 78b's of the second coil 74b
On outside, and it is connected with the outer end of the second coil 74b, on multilamellar direction, the second coil 74b and first coil
74a adjoins.5th terminal position 80e and the left and right directions position consistency of the 6th terminal position 80f, by threeway
Position, hole 82c connects.I.e. in the 5th terminal position 80e and the 6th terminal position 80f, first coil 74a and
It is connected between the outer end of the second coil 74b.
7th terminal position 80g is positioned on the outside at semicircle position 78 of tertiary coil 74c, and with the 3rd line
Outer end and the distribution end A of circle 74c connect.Also can connect coil 74a～74c in distribution end A and distribution end B
The power supply being powered, as be described hereinafter shown in case study on implementation, also can with formed coil 74a～74c outside other
Coil is attached.
In aforementioned component, flow into the electric current of the 7th terminal position 80g from distribution end A, then from tertiary coil 74c
Lateral in survey flow in the direction of the clock.By the second through hole position 82b, flow to from tertiary coil 74c
The electric current of three terminal position 80c then flows to the 4th terminal position 80d, and outside from the inner side of the second coil 74b
Flow in the direction of the clock in side.By third through-hole position 82c, flow to the 6th terminal position from the second coil 74b
The electric current of 80f then flows to the 5th terminal position 80e, and by side clockwise inside the lateral of first coil 74a
To flowing.By the first through hole position 82a, flow to the electric current of the first terminal position 80a again from first coil 74a
Flow to the second terminal position 80b, and flow out to distribution end B.
In this embodiment, identical with aforesaid embodiment, in the side forming the first terminal position 80a,
Can the length of first coil 74a be arranged longer than the second coil 74b, due to by the first through hole position 82a even
Meet the first terminal position 80a being positioned at inside first coil 74a and be positioned at the second terminal outside the second coil 74b
Position 80b, therefore can be set to odd number by the coil number of plies.
It is the most best shown, by the loop length formed in a coil layer is arranged than other lines
The coil of ring layer is long, and utilizes through hole position, connects and is placed in the terminal position on inside a coil layer coil
Terminal position with being placed on outside other coil layer coils, can realize the lattice coil of the odd number number of plies.
Fig. 7 illustrates the embodiment of the lattice coil 62 that the present invention is correlated with.
In lattice coil 62 with figure in the B system that disposes of the serial and above under type of A that disposes in left and right mode
Row.
Ground floor 72a is configured with first coil 74A-a-1,2,3 and the first coil of B series of A series
74B-a-1,2,3, second layer 72b is configured with the second coil 74A-b-1 of A series, the second of 2,3 and B series
Coil 74B-b-1,2,3, third layer 72c is configured with the tertiary coil 74A-c-1 of A series, 2,3 and B series
Tertiary coil 74B-c-1,2,3.
It addition, between first coil 74A-a-2 and 74A-a-3, between 74B-a-2 and 74B-a-3, second
Between coil 74A-b-2 and 74A-b-3, between 74B-b-2 and 74B-b-3, and at tertiary coil 74A-c-2
And between 74A-c-3, between 74B-c-2 and 74B-c-3, it is mounted with the position-detection sensors such as Hall element,
The electric current impact of coil can be reduced, and detect the position of aforementioned Magnet 20.
With the second coil 74A-b-1,2,3,74B-b-1,2,3 and tertiary coil 7
4A-c-1,2,3,74B-c-1,2,3 compare, first coil 74A-a-1,
2,3,74B-a-1,2,3 length in one direction are longer.
I.e. first coil 74A-a-1, the second coil 74A-b-1, tertiary coil 74A-c
The group of-1 and first coil 74B-a-1, the second coil 74B-b-1, tertiary coil 74
The group of B-c-1 corresponds with aforesaid Section 1 embodiment, first coil 74A-a-2, second
Coil 74A-b-2, the group of tertiary coil 74A-c-2, first coil 74A-a-3,
Second coil 74A-b-3, the group of tertiary coil 74A-c-3, first coil 74B-a
-2, second coil 74B-b-2, the group of tertiary coil 74B-c-2, first coil 74
B-a-3, the second coil 74B-b-3, the group of tertiary coil 74B-c-3 correspond with
Aforesaid Section 2 embodiment.
In A series, the electric current flowed into from terminal position AS flows to A18 from A1 in order, and from terminal
Position AE flows out.In B series, the electric current flowed into from terminal position BS flows to B26 from B 1 in order,
And flow out from the BE of terminal position.If electric current flows in A series, aforementioned mobile parts will be shown in Fig. 7
Left and right directions running, if electric current flows in B series, aforementioned mobile parts are by the upper and lower shown in Fig. 7
To running.
Terminal position A5 Yu A6, A7 Yu A8, A13 Yu A14, terminal position should be paid close attention to herein
B9 Yu B10, B19 Yu B20, B21 and B22.Through hole position is passed through at these terminal positions,
Connect inside the coil in a coil layer and outside coil in other coil layer, form in this way by three layers
The lattice coil 62 constituted.
It addition, in the embodiment above and case study on implementation, lattice coil is made up of three layer line circles, if odd number,
The coil number of plies is not limited.In this detail form, the lattice coil being also directed in lens driver application enters
Row explanation, it is possible to apply lattice coil in other devices and equipment.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in
Stating particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims,
This has no effect on the flesh and blood of the present invention.
Claims (8)
1. a lattice coil, it is characterised in that be formed with more than at least 3 odd lines ring layers, and with at one
On direction by spooling must relative to the coil of other direction length, the first terminal position, the second terminal position and through hole position,
In the one end side of the direction, the inner side of the first coil in the ground floor of the first terminal position and coil connects；Second
On the outside of the one end side that terminal position is arranged on the direction, the second coil is positioned in the second layer of one of coil layer；
Through hole position is used for connecting the first terminal position and the second terminal position, and compared with the second coil, first coil is the party
To one end side in length longer.
Lattice coil the most according to claim 1, it is characterised in that described second terminal position and coil is entered
The distribution of row power supply connects.
Lattice coil the most according to claim 1, it is characterised in that described second terminal position is connected shape
Become in other coils of coil outer.
4. according to any one lattice coil described in claims 1 to 3, it is characterised in that also include the 3rd terminal
Position, the 4th terminal position, connection the 3rd terminal position and other through hole positions at the 4th terminal position, the 3rd portion of terminal
Position is connected the inner of tertiary coil, and tertiary coil is positioned at and belongs in the coil layer wherein third layer of a layer；4th terminal
Position is connected the inner of the second coil.
Lattice coil the most according to claim 4, it is characterised in that also include the 5th terminal position, the 6th end
Sub-position, connecting the 5th terminal position and other through hole positions at the 6th terminal position, the 5th terminal position is connected the
On the outer end of one coil；6th terminal position is connected on the outer end of coil, and coil is formed at the line adjacent with ground floor
In one of ring layer.
6. a lens driver, it is characterised in that be mounted with any one multilamellar described in claim 1 to 5
Coil, in lattice coil optical axis direction to Magnet, and the coil layer of lattice coil is in the direction of the optical axis by laminate layer.
7. a cam device, it is characterised in that be mounted with the lens driver described in claim 6, arrangement
Lens carrier, described the lens carrier lens supported in described Magnet, receive described lens and distribute the light of light
Sensor.
8. an electronic equipment, it is characterised in that be mounted with the cam device described in claim 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015106580A JP6439213B2 (en) | 2015-05-26 | 2015-05-26 | Multilayer coil, lens driving device, camera device and electronic device |
| JPJP2015-106580 | 2015-05-26 |
Publications (2)
| Publication Number | Publication Date |
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| CN106199895A true CN106199895A (en) | 2016-12-07 |
| CN106199895B CN106199895B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620072662.4U Withdrawn - After Issue CN205539649U (en) | 2015-05-26 | 2016-01-25 | Multilayer coil, lens drive arrangement , camera device and electronic equipment |
| CN201610049805.4A Active CN106199895B (en) | 2015-05-26 | 2016-01-25 | Lattice coil, lens driver, cam device and electronic equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620072662.4U Withdrawn - After Issue CN205539649U (en) | 2015-05-26 | 2016-01-25 | Multilayer coil, lens drive arrangement , camera device and electronic equipment |
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| JP (1) | JP6439213B2 (en) |
| CN (2) | CN205539649U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6439213B2 (en) * | 2015-05-26 | 2018-12-19 | 新シコー科技株式会社 | Multilayer coil, lens driving device, camera device and electronic device |
| WO2018199150A1 (en) | 2017-04-27 | 2018-11-01 | 株式会社村田製作所 | Actuator |
| JP7149114B2 (en) * | 2018-06-21 | 2022-10-06 | ローム株式会社 | Actuator and camera module |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106199895B (en) | 2018-11-13 |
| CN205539649U (en) | 2016-08-31 |
| JP6439213B2 (en) | 2018-12-19 |
| JP2016218400A (en) | 2016-12-22 |
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