WO2011002151A2

WO2011002151A2 - Image-capturing apparatus with a function for compensating for shaking

Info

Publication number: WO2011002151A2
Application number: PCT/KR2010/002743
Authority: WO
Inventors: 정회원; 김상후; 지혜경
Original assignee: (주)하이소닉
Priority date: 2009-06-30
Filing date: 2010-04-30
Publication date: 2011-01-06
Also published as: WO2011002151A3

Abstract

The present invention is intended to enable a subject to be clearly captured by detecting shaking during shooting of the subject and by moving the lens in a direction so as to compensate for the shaking. According to the present invention, a coil and a magnet are provided, and when current is applied to the coil, the magnetic field generated by the magnet and the magnetic field generated by the coil cause the coil to move in a direction perpendicular to the optical axis direction of the lens.

Description

Imaging device with image stabilization

The present invention relates to an image capturing apparatus equipped with a shake correction function, and in particular, by detecting a shake of the image capturing apparatus and moving a lens in a direction for correcting a shake, the image of the subject having a shake correction function is provided. It relates to an image photographing apparatus.

Recently, small electronic devices including a communication terminal represented by a mobile phone are equipped with a small image capturing apparatus for capturing an image. These imaging apparatuses are characterized by small size and simple structure.

The configuration of such an image photographing apparatus includes a lens group composed of a plurality of lenses, an imaging device for converting an optical signal passing through the lens group into an electrical signal, and the like.

However, if the user's hand holding the electronic device with the image capturing device is shaken or vibration is transmitted to the electronic device by another external factor, the vibration is transmitted to the image capturing device and the image of the subject becomes cloudy.

Due to this problem, a pedestal should be used to capture a clear image, but it is not convenient to carry because it is inconvenient to carry.

Accordingly, the problem of deterioration of image quality due to tremor is inevitable in the general imaging apparatus for electronic devices.

The present invention has been made to solve the above-described problems, it is to detect the shaking when shooting the subject to move the lens in the direction to correct the shake so that the subject is clearly captured.

According to a first aspect of the present invention, there is provided a housing, a second blade disposed inside the housing and moving horizontally by a magnet and a second coil member, and disposed inside the second blade. In the compact camera device comprising a first blade that is moved up and down by the magnet and the first coil member, the outer side is mounted to the second blade and the inner side is mounted to the first blade, the upper and lower elastic A third elastic member for supporting; A power connection member disposed on an upper side of the housing to supply power to the first coil member and the second coil member; The first coil member is electrically connected to the third elastic member, and the third elastic member protrudes toward the power supply member so that one end is integrally connected to the third elastic member and the other end thereof. The connection protrusion is fixed to the power connection member and is contracted and relaxed in the left and right direction when the second blade moves left and right, and the connection protrusion is electrically connected to the power connection member to supply power to the power connection member. Provided is an image capturing apparatus having a shake correction function for transmitting to a coil member.

The third elastic member may include a first spring disposed at one side of the first blade; A second spring disposed on the other side of the first blade; It comprises, and the connecting projection, the first connecting projection is provided on the corner portion of the first spring; A second connecting protrusion provided at an edge of the second spring and disposed symmetrically in a diagonal direction with the first connecting protrusion; It is made, including.

An avoidance groove is formed at an edge of the second blade, and the connection protrusion is disposed in the avoidance groove so as to be spaced apart from the second blade.

A second elastic member having one end mounted on the second blade and the other end mounted on the housing to elastically support the second blade in a horizontal direction, wherein the connecting protrusion has a thickness of the second elastic member. Smaller than the thickness of the second blade to move the left and right elastic resistance due to the connecting projections decreases.

The first spring and the second spring are each provided with two first connecting protrusions and two second connecting protrusions, each one of two first connecting protrusions and two second connecting protrusions, respectively. It is electrically connected to the power connection member.

A first elastic member having an outer side mounted to the second blade and the inner side mounted to the first blade to elastically support the first blade up and down; It further comprises, wherein the first elastic member is disposed on the upper side of the second blade, the third elastic member is disposed on the lower side of the second blade, the connecting projection at the lower side of the second blade The first elastic member passes through the housing and is connected to the power connection member.

A second invention for achieving the above object, the housing; A first blade which is vertically moved inside the housing and has a first coil member mounted on an outside thereof; A second blade horizontally moved inside the housing and having a second coil member mounted on an outside thereof; A magnet disposed outside the second coil member; It comprises, but the magnet, and the first magnet; A second magnet disposed under the first magnet; A third magnet disposed between the first magnet and the second magnet, the third magnet having one end protruding toward the second coil member; The first blade is moved by the interaction between the first electromagnetic field generated when the power is applied to the first coil member and the magnetic field generated by the magnet, and when the power is applied to the second coil member. According to the interaction between the generated second electromagnetic field and the magnetic field generated by the magnet, the second blade provides an image photographing apparatus having a shake correction function of horizontal movement.

The first coil member is wound around the first blade, the second coil member is wound on the side surface of the second blade in a direction orthogonal to the winding direction of the first coil member, and the first magnet The second magnet has a polarity is separated up and down symmetrically around the third magnet, the third magnet is separated in the left and right movement direction of the second blade.

The polarity of the other end of the third magnet in contact with the lower end of the first magnet and the upper end of the second magnet is opposite to the polarity of the lower end of the first magnet and the upper end of the second magnet, and toward the second coil member. The polarity of one end of the protruding third magnet is opposite to the polarity of the upper end of the first magnet and the lower end of the second magnet.

The vertical length of the second coil member is smaller than the vertical length of the magnet.

The second blade is mounted to be horizontally moved inside the first blade, the magnet is disposed between the inner surface of the first blade and the outer surface of the second blade is fixed to the housing, the third One end of the magnet is disposed in the center of the second coil member and the other end is disposed in the direction of the first coil member.

The first blade is mounted to be moved up and down inside the second blade, the magnet is fixedly mounted to the housing from the outside of the second blade, one end of the third magnet penetrates through the center of the second coil member It protrudes in the direction of the first coil member.

The third invention for achieving the above object is a housing; A first blade which is vertically moved inside the housing and has a first coil member mounted on an outside thereof; A second blade horizontally moved inside the housing and having a second coil member mounted on an outside thereof; A magnet comprising a first magnet disposed outside the second coil member and a second magnet disposed below the first magnet outside the second coil member; A first yoke mounted on an upper portion of the first magnet or a lower portion of the second magnet; The first blade is moved by the interaction between the first electromagnetic field generated when the power is applied to the first coil member and the magnetic field generated by the magnet, and when the power is applied to the second coil member. The second blade moves horizontally due to the interaction between the generated second electromagnetic field and the magnetic field generated by the magnet, and the first yoke has the first coil member or the second coil having a magnetic force line generated at the N pole of the magnet. Provided is an image photographing apparatus having a shake correction function for inducing a return to an S pole through a member.

The first yoke protrudes in the direction of the first coil member.

The second blade is mounted to move horizontally inside the first blade, the magnet is disposed between the inner surface of the first blade and the outer surface of the second blade fixedly mounted to the housing, the first The coil member is wound around the first blade, and the second coil member is wound on the side surface of the second blade in a direction orthogonal to the winding direction of the first coil member.

The first blade is mounted to be moved up and down inside the second blade, the magnet is fixedly mounted to the housing from the outside of the second blade, the first coil member is wound around the first blade, The second coil member is wound on the side surface of the second blade in a direction orthogonal to the winding direction of the first coil member.

A second yoke mounted between the first magnet and the second magnet and inserted into a central portion of the second coil member; It further comprises, wherein the first magnet and the second magnet is disposed with the polarity up and down symmetrical around the second yoke.

The length of the second coil member in the vertical direction is smaller than the sum of the vertical lengths of the magnet and the second yoke.

When the subject is shaken, the lens is moved in the direction of correcting the shake, so that the image of the subject can be captured clearly.

1 is a perspective view of a compact camera device according to a first embodiment of the present invention,

2 is an exploded perspective view of a compact camera device according to a first embodiment of the present invention;

3 is a perspective view of a third elastic member according to a first embodiment of the present invention,

4 is a state diagram of the coupling between the housing and the third elastic member according to the first embodiment of the present invention,

5 to 7 are operation state diagrams of the small camera device according to the first embodiment of the present invention.

8 is a perspective view of an image photographing apparatus equipped with a shake correction function according to a second embodiment of the present invention;

9 is an exploded perspective view showing an image photographing apparatus equipped with a shake correction function according to a second embodiment of the present invention.

FIG. 10 is an exploded perspective view showing a portion D of FIG. 9 in an enlarged manner;

11 to 13 is an operating state view as seen from B-B of FIG.

FIG. 14 is an operational state diagram of a power terminal according to the present invention as seen from C-C of FIG. 8,

15 is a perspective view of an image photographing apparatus equipped with a shake correction function according to a third embodiment of the present invention.

16 is a one-way exploded perspective view of an image photographing apparatus equipped with a shake correction function according to a third embodiment of the present invention;

FIG. 17 is an exploded perspective view of another direction of the image photographing apparatus equipped with the shake correction function according to the third embodiment of the present invention.

FIG. 18 is a cross-sectional view of an image photographing apparatus with a shake correction function according to a third embodiment of the present invention as seen from E-E of FIG. 15.

19 and 20 are operation state diagrams of an image photographing apparatus equipped with a shake correction function according to a third embodiment of the present invention as seen from E-E of FIG. 15.

21 is a perspective view of an image photographing apparatus equipped with a shake correction function according to a fourth embodiment of the present invention;

FIG. 22 is an exploded perspective view showing an image photographing apparatus equipped with a shake correction function according to a fourth embodiment of the present invention.

FIG. 23 is an exploded perspective view showing a portion D of FIG. 22 in an enlarged manner;

24 to 26 are operation state diagrams as seen from B-B of FIG.

27 is an operational state diagram of a power supply terminal of the fourth embodiment as seen in C-C of FIG. 21,

28 is a perspective view of an image photographing apparatus equipped with a shake correction function according to a fifth embodiment of the present invention.

29 is a one-directional exploded perspective view of an image photographing apparatus equipped with a shake correction function according to a fifth embodiment of the present invention;

30 is an exploded perspective view of another direction of the image photographing apparatus equipped with the shake correction function according to the fifth embodiment of the present invention.

FIG. 31 is a cross-sectional view of an image photographing apparatus with a shake correction function according to a fifth embodiment of the present invention as seen from E-E of FIG. 28.

32 and 33 are operation state diagrams of an image photographing apparatus equipped with a shake correction function according to a fifth embodiment of the present invention as seen from E-E of FIG. 28.

Hereinafter, a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a compact camera device according to a first embodiment of the present invention, Figure 2 is an exploded perspective view of a compact camera device according to a first embodiment of the present invention, Figure 3 is a first embodiment of the present invention 4 is a perspective view of a third elastic member according to an embodiment of the present invention, and FIG. 4 is a diagram illustrating a coupling state between a housing and a third elastic member according to a first embodiment of the present invention, and FIGS. The operation state diagram of.

1 to 7, the compact camera device according to the first embodiment of the present invention includes a housing 100, a magnet 200, a yoke member 300, a power connection member 600, and a second blade ( 700), the second coil member 750, the second elastic member 800, the first blade 400, the first coil member 450, the first elastic member 500 and the third elastic member 550 It is made to include.

The housing 100 is vertically open in a hexahedral shape, the magnet 200 is inserted into the side.

The magnets 200 are formed in plural in a rectangular shape, and are arranged to face up and down two by two, and the yoke members 300 are mounted therebetween.

In addition, the two magnets 200 are disposed to be symmetrical with respect to the yoke member 300.

The yoke member 300 is formed in a rectangular shape, the upper and lower surfaces are in contact with the magnet 200, respectively, the magnetic induction protrusion 310 is formed to guide the magnetic field of the magnet 200 in a predetermined direction.

The magnetic induction protrusion 310 protrudes toward the first coil member 450 through the second coil member 750 and the second blade 700 as described below.

Hereinafter, since the housing 100, the magnet 200 and the yoke member 300 are described in more detail in the application No. 10-2009-0023718 filed by the applicant of the present invention, a detailed description thereof will be omitted.

The power connection member 600 is made of a flexible printed circuit board (FPCB), is formed in a rectangular thin sheet shape is mounted on the upper side of the housing 100.

In addition, one end of the power connection member 600 is bent to the side of the housing 100 and connected to an external power source.

The power connection member 600 is electrically connected to the second elastic member 800 and the third elastic member 550 as will be described later to the second coil member 750 and the first coil member ( Power each of them.

In addition, a cover 150 surrounding the side surface of the power connection member 600 and the housing 100 is mounted on the upper side of the power connection member 600.

The cover 150 is formed of a thin plate, the upper side is disposed on the upper side of the power connection member 600, the side is bent in the lateral direction of the housing 100, respectively, is hooked with the housing 100 .

The second blade 700 is mounted in a hollow shape of a hexahedron such that the first blade 400 is moved up and down.

In addition, the second coil member 750 is mounted on an outer surface of the second blade 700.

The second coil member 750 is a wire in which current flows therein and is wound in a direction orthogonal to a winding direction of the first coil member 450 as described below, one on each side of the second blade 700. It consists of four in total.

The second coil member 750 opens the second blade 700 by the interaction between the electromagnetic field generated when the power is applied and the magnetic field of the magnet 200 induced through the magnetic induction protrusion 310. Move horizontally.

In addition, the second elastic member 800 is mounted on the second blade 700 to elastically support the second blade 700 in the horizontal direction with respect to the housing 100.

The second elastic member 800 is formed of a thin wire line, one end is mounted on the lower side of the second blade 700 and the other end is mounted on the upper side of the housing 100 to the second blade 700. Elastic support in the horizontal direction.

In addition, the second elastic member 800 is made of an electrically conductive material, one end of which is electrically connected to the second coil member 750, and the other end of which is electrically connected to the power connection member 600. The power of the member 600 is transmitted to the second coil member 750.

The second elastic member 800 is composed of a total of four are arranged symmetrically in the diagonal direction of the second blade 700.

In addition, the avoiding groove 710 is formed at the corner of the second blade 700.

The evacuation groove 710 is formed in the vertical direction along the outer edge portion of the second blade 700, is disposed symmetrically in the diagonal direction of the second blade 700, and consists of two.

On the other hand, the first blade 400 is formed in a hexagonal cylindrical shape, the upper and lower sides are opened and the lens 110 is inserted into the interior.

In addition, the first coil member 450 is mounted on an outer surface of the first blade 400.

The first coil member 450 is a thin wire having a current flowing therein and is wound around the outer surface of the first blade 400.

In addition, the first coil member 450 is adjacent to the free guide protrusion 310 of the yoke member 300.

The first coil member 450 moves up and down the first blade 400 by the interaction between the electromagnetic field generated when the power is applied and the magnetic field of the magnet 200 induced through the free guide protrusion 310. Move it.

In addition, the first elastic member 500 is disposed above the first blade 400, and the third elastic member 550 is disposed below the first blade 400.

The first elastic member 500 is formed in a rectangular thin plate shape, the outer side is fixed to the upper side of the second blade 700 and the inner side is fixed to the upper side of the first blade 400.

In addition, a zig-zag-shaped elastic portion is formed between the inner side and the outer side of the first elastic member 500 to allow the inner side to contract and relax in the vertical direction with respect to the outer side.

The first elastic member 500 elastically supports the first blade 400 up and down when the first blade 400 moves up and down.

The third elastic member 550 is formed of a thin plate, the first spring 551 disposed on one side of the first blade 400 and the second spring disposed on the other side of the first blade 400 ( 552 is formed separately.

The outer side of the first spring 551 and the second spring 552 is fixed to the lower side of the second blade 700 and the inner side is fixed to the lower side of the first blade 400.

In addition, the first spring 551 and the second spring 552 has a zigzag elastic portion is formed between the inner side and the outer side like the first elastic member 500, when the first blade 400 is moved up and down Shrink and relax in the vertical direction to support the first blade 400 up and down elastically.

The first spring 551 and the second spring 552 are made of an electrically conductive material, and are electrically connected to the first coil member 450.

In addition, the first spring 551 and the second spring 552 are symmetrically disposed about the first blade 400 and do not communicate with each other electrically.

One end and the other end of the first coil member 450 are electrically connected to the first spring 551 and the second spring 552, respectively.

At this time, one end and the other end of the first coil member 450 is fixed to the inner side of the first spring 551 and the inner side of the second spring 552, respectively.

In addition, the third elastic member 550 formed of the first spring 551 and the second spring 552 is provided with a connection protrusion 560 protruding toward the power connection member 600.

The connecting protrusion 560 is formed in a straight line shape in a vertical direction, one end is integrally connected to the third elastic member 550 and the other end is fixedly coupled to the power connection member 600.

Of course, in some cases, the connecting protrusion 560 may be formed in various shapes such as zigzag, spiral, and coil shapes.

The connection protrusion 560 includes a first connection protrusion 561 provided on the first spring 551 and a second connection protrusion 562 provided on the second spring 552.

As shown in FIG. 5, the first connection protrusion 561 is a rectangular thin plate and protrudes upward from an outer edge portion of the first spring 551.

In addition, the second connection protrusion 562 is a rectangular thin plate, as shown in Figure 5 is formed to protrude upward from the outer edge of the second spring 552.

The first connecting protrusion 561 and the second connecting protrusion 562 are arranged symmetrically with each other in a diagonal direction.

As described above, the second connecting protrusion 561 and the second connecting protrusion 562 are disposed symmetrically in the diagonal direction on the first spring 551 and the second spring 552, respectively, to form the second blade ( When the 700 moves, the elastic resistance force of the first connecting protrusion 561 and the second connecting protrusion 562 acts equally on the second blade 700 to prevent the second blade 700 from tilting. It is effective.

In addition, the first connection protrusion 561 and the second connection protrusion 562 are disposed in the state spaced apart from the avoidance groove 710 of the second blade 700, respectively, as shown in FIG.

That is, the first connecting protrusion 561 and the second connecting protrusion 562 are disposed on the side surfaces of the second blade 700 in which the avoiding groove 710 is formed.

As such, the first connecting protrusion 561 and the second connecting protrusion 562 are disposed in the avoiding groove 710 in a spaced apart state, so that the first connecting protrusion may be moved when the second blade 700 is moved left and right. 561 and the second connecting protrusion 562 may travel to and from the avoiding groove 710 to freely contract and relax.

In addition, the thickness of the first connecting protrusion 561 and the second connecting protrusion 562 is formed smaller than the thickness of the second elastic member (800).

As such, the thickness of the first connecting protrusion 561 and the second connecting protrusion 562 is smaller than the thickness of the second elastic member 800, thereby moving the first and second blades 700 to the left and right. The first connecting protrusion 561 and the second connecting protrusion 562 by making the elastic resistance of the connecting protrusion 561 and the second connecting protrusion 562 smaller than the elastic resistance of the second elastic member 800. ) Has an effect of reducing the elastic resistance.

In another embodiment, a total of four first coupling protrusions 561 and second coupling protrusions 562 may be provided in the first spring 551 and the second spring 552, respectively.

That is, the first connecting protrusions 561 and the second connecting protrusions 562 are formed on the outer edges of each of the first spring 551 and the second spring 552, one each, so as to constitute a total of four.

One of the two first connecting protrusions 561 and one of the two second connecting protrusions 562 are electrically connected to the power connection member 600, respectively, and the other two are electrically connected. I never do that.

As such, the first spring 551 and the second spring 552 are provided with two first connecting projections 561 and two second connecting projections 562, respectively, and the two first connecting projections ( The first connection protrusion for supporting the second blade 700 by electrically connecting any one of the 561 and any one of the two second connection protrusions 562 with the power connection member 600, respectively. 561 and the number of the second connecting protrusions 562 are increased, and the elastic resistance of the first connecting protrusions 561 and the second connecting protrusions 562 is uniform, thereby making the second blade 700 There is an effect to drive more stable.

In addition, the first connection protrusion 561 and the second connection protrusion 562 pass through the housing 100 through the first elastic member 500 at the lower side of the second blade 700 to connect the power. It is connected to the member 600.

As such, the third elastic member 550 is disposed below the second blade 700, and the first connecting protrusion 561 and the second connecting protrusion 562 of the second blade 700 are disposed. By connecting the power supply member 600 through the first elastic member 500 and the housing 100 from the lower side, the length of the first connecting protrusion 561 and the second connecting protrusion 562 up and down Maximizing has the effect of reducing the elastic resistance generated during the movement of the second blade 700.

An operation state of the first embodiment configured as described above will be described.

5 (a), 6 (a) and 7 (a) are cross-sectional views taken from AA of FIG. 1, and FIGS. 5 (b), 6 (b) and 7 (b) are taken from BB of FIG. This is the cross section.

As shown in FIGS. 5A and 5B, before power is applied to the first coil member 450 and the second coil member 750, the first elastic member 500 and the first elastic member 500 are applied. The three elastic members 550 are horizontally disposed, and the second elastic member 800 and the connection protrusion 560 are vertically disposed vertically.

As shown in FIGS. 6A and 6B, when power is applied to the first coil member 450 through the third elastic member 550, the first coil member 450 may generate power. The first blade 400 is raised by the interaction between the electromagnetic field and the magnetic field of the magnet 200 induced from the magnetic induction protrusion 310.

When the first blade 400 is raised, the inner side of the first elastic member 500 and the inner side of the third elastic member 550 mounted on the upper and lower sides of the first blade 400 are respectively the first blade. Rises with 400.

In this case, since the second blade 700 does not move, the connection protrusion 560 maintains a vertical state and transmits power to the third elastic member 550.

As shown in FIGS. 9A and 9B, when power is applied to the second coil member 750, the electromagnetic field generated by the second coil member 750 and the magnetic induction protrusion 310 are applied. The second blade 700 is horizontally moved to the right by the interaction with the magnetic field of the magnet 200.

When the second blade 700 moves, the first blade 400 also moves together with the second blade 700 in the same direction.

In this case, one end of the second elastic member 800 and the connection protrusion 560 is moved to the right with respect to the other end fixed to the housing 100 to be relaxed.

In addition, the connection protrusion 560 is inserted into the avoidance groove 710 while being relaxed to the right.

When the power applied to the second coil member 750 is reversed, the second blade 700 moves to the left side, and one end of the second elastic member 800 and one end of the connection protrusion 560 are left. Relaxes while moving to.

As such, one end of the connection protrusion 560 electrically connected to the power connection member 600 is integrally connected with the third elastic member, and the other end is coupled to the power connection member 600 to fix the second blade. By contracting and relaxing in the left and right direction when the left and right movement of the 700, the left and right movement of the second blade 700 to minimize the elastic resistance of the connecting projection 560 to smooth the left and right movement of the second blade (700). It works.

Hereinafter, a second embodiment of the present invention will be described.

8 is a perspective view of an image photographing apparatus equipped with a shake correction function of the present invention, FIG. 9 is an exploded perspective view of an image photographing apparatus equipped with a shake correction function of the present invention, and FIG. 10 is an enlarged view of FIG. 9D. Some exploded perspective views.

As shown in FIGS. 8 to 10, the image capturing apparatus having the shake correction function according to the present invention includes a housing 2200, a first blade 2400, a first coil member 2410, a second blade 2300, A second coil member 2310, a first elastic member 2420, a second elastic member 2320, a power supply terminal 2430, and a magnet 2500 are included.

The housing 2200 is formed in a rectangular shape and separated into upper and lower portions, respectively, and the edges protrude in a direction facing each other, that is, in an up and down direction, contact each other, and surround the second blade 2300.

The second blade 2300 is mounted to be moved horizontally inside the housing 2200 in a rectangular hollow shape.

A through hole 2301 is formed at a side surface of the second blade 2300 so that the inside and the outside of the second blade 2300 communicate with each other.

One through hole 2301 is formed in each of four sides of the second blade 2300 in a rectangular shape.

In addition, fixing protrusions 2302 protruding in the direction of the magnet 2500 are formed at both sides of the through hole 2301, respectively.

Inside the second blade 2300, the first blade 2400 is mounted to be moved up and down.

The first blade 2400 has a cylindrical hollow shape, and a plurality of lenses (not shown) for adjusting the magnification of the subject are inserted therein.

In addition, a first coil member 2410 is mounted on an outer circumferential surface of the first blade 2400.

The first coil member 2410 winds a thin wire through which an electric current passes through the outer circumferential surface of the first blade 2400.

That is, the first coil member 2410 surrounds the outer circumferential surface of the first blade 2400 in one direction that rotates about the optical axis of the lens.

The first coil member 2410 moves up and down the first blade 2400 by forming a first electromagnetic field (not shown) around when the power is applied.

Meanwhile, the second coil member 2310 is mounted on the outer surface of the second blade 2300.

The second coil member 2310 is formed to have a hollow cylindrical shape by winding a thin wire through which a current flows through the second coil member 2300 horizontally with an outer surface of the second blade 2300.

In addition, the second coil member 2310 is mounted to face the outer circumferential surface of the second blade 2300 in pairs.

That is, the two second coil members 2310 are arranged on the outer circumferential surface of the second blade 2300 facing each other, one by one to form a pair, and a total of two pairs of the second coil members 2310 are the second blades 2300. It is mounted on the outer circumferential surface of the.

In addition, the second coil member 2310 is mounted so that the center portion is inserted into the fixing protrusion 2302 formed on the outer surface of the second blade 2300.

That is, the hollow part of the second coil member 2310 may be inserted into the hollow part 2311 in which the central part of the second coil member 2310 is formed so that the two fixing protrusions 2302 formed on both sides of the through hole 2301 are inserted. 2311 is in communication with the through hole (2301).

The second coil member 2310 horizontally moves the second blade 2300 by forming a second electromagnetic field (not shown) around when the power is applied.

Meanwhile, the magnet 2500 is mounted on the side of the housing 2200 and disposed adjacent to the outside of the second coil member 2310.

In detail, the magnet 2500 includes a first magnet 2510, a second magnet 2520, and a third magnet 2530.

The first magnet 2510 and the second magnet 2520 have a rectangular shape, the polarity of the first magnet 2510 and the second magnet 2520 are separated up and down, and a total of eight magnets are provided on each side of the housing 2200.

In addition, the second magnet 2520 is disposed below the first magnet 2510 with the third magnet 2530 interposed therebetween.

The first magnet 2510 and the second magnet 2520 are separated with the polarity of the upper and lower symmetry around the third magnet (2530).

That is, the polarities of the lower end of the first magnet 2510 and the upper end of the second magnet 2520 are the same, and the polarities of the upper end of the first magnet 2510 and the lower end of the second magnet 2520 are identical to each other. .

The third magnet 2530 has a quadrangular shape, and the polarities thereof are separated in a moving direction of the second blade 2300, that is, in a left and right direction, and a total of four third magnets 2530 are provided on each side of the housing 2200.

The third magnet 2530 is mounted between the first magnet 2510 and the second magnet 2520.

In addition, one end of the third magnet 2530 protrudes in the direction of the second coil member 2310, and one end of the third magnet 2530 penetrates through the center of the second coil member 2310, that is, the hollow part 2311. Disposed adjacent to 2410.

The other end of the third magnet 2530 is in contact with the lower end of the first magnet 2510 and the upper end of the second magnet 2520, respectively.

That is, the first magnet 2510 is mounted on the upper end of the third magnet 2530, and the second magnet 2520 is mounted on the lower end of the third magnet 2530.

The third magnet 2530 has a polarity at the lower end of the first magnet 2510 and the other end contacting the upper end of the second magnet 2520 with a polarity at the bottom of the first magnet 2510 and the top of the second magnet 2520. And are placed opposite each other.

In addition, the polarity of one end of the third magnet 2530 protruding toward the second coil member 2310 is disposed opposite to the polarity of the upper end of the first magnet 2510 and the lower end of the second magnet 2520.

In the second embodiment of the present invention, the polarity of the lower end of the first magnet 2510 and the upper end of the second magnet 2520 is N pole, and the upper end of the first magnet 2510 and the lower end of the second magnet 2520. Is the S pole, and one end of the third magnet 2530 is the N pole and the other end is the S pole.

In the first magnet 2510, the magnetic force lines generated at the lower pole of the first magnet 2510 move to the upper pole of the first magnet 2510 through the second coil member 2310, and the upper pole of the second magnet 2520. The magnetic force lines generated in the second direction move to the S pole, which is the lower end of the second magnet 2520, through the second coil member 2310.

In addition, the magnetic force lines generated at the north pole of one end of the third magnet 2530 are moved to the south pole of the upper end of the first magnet 2510 and the south pole of the second magnet 2520 through the second coil member 2310. do.

Thus, by mounting the third magnet 2530 between the first magnet 2510 and the second magnet 2520, not only the first magnet 2510 and the second magnet 2520 but also the third magnet 2530 The magnetic field lines are mutually with the first electromagnetic field of the first coil member 2410 and / or the second electromagnetic field of the second coil member 2310 while passing through the first coil member 2410 and / or the second coil member 2310. Increasing the strength of the magnetic field acting, thereby improving the driving force of the first coil member 2410 and / or the second coil member 2310.

One end of the third magnet 2530 penetrates through the second coil member 2310 in the direction of the first coil member 2410, thereby arranging the third magnet 2530 adjacent to the first coil member 2410. Therefore, the magnetic field generated by the third magnet 2530 increases the range of interaction with the first electromagnetic field generated by the first coil member 2410, thereby improving the driving force of the first coil member 2410. have.

In addition, the polarity of the other end of the third magnet 2530 in contact with the lower end of the first magnet 2510 and the upper end of the second magnet 2520 is the polarity of the lower end of the first magnet 2510 and the upper end of the second magnet 2520. By displacing the other end of the third magnet 2530, the lower end of the first magnet 2510 and the upper end of the second magnet 2520 having opposite polarities to each other of the third magnet 2530 are attracted to the other end of the third magnet 2530. Attached to the first magnet 2510, the second magnet 2520 and the third magnet 2530 has the effect of improving the mutual bonding force, and easy assembly.

In addition, the length of the second coil member 2310 is smaller than the length of the magnet 2500 in the vertical direction.

That is, the upper end of the second coil member 2310 is disposed below the upper end of the first magnet 2510, and the lower end of the second coil member 2310 is disposed above the lower end of the second magnet 2520.

As described above, since the length of the second coil member 2310 is smaller than the length of the magnet 2500, the second coil member 2310 is disposed within the range of the magnetic field generated by the magnet 2500, so that the second coil member 2310 The amount of the magnetic field acting on the coil member 2310 is increased, thereby improving the driving force of the second coil member 2310.

In addition, the magnet 2500 is inserted into and inserted into the insertion groove 2210 formed on the side of the housing 2200, which is vertically separated.

A pair of first magnets 2510, a second magnet 2520, and a third magnet 2530 are inserted into and inserted into the insertion groove 2210, respectively.

Meanwhile, the first elastic member 2420 is mounted on the lower end of the first blade 2400 to elastically support the first blade 2400 in the vertical direction.

Specifically, the first elastic member 2420 is made of a thin plate material horizontal to the second blade 2300, and the surface is plated with a metal material to be electrically connected.

In addition, the first elastic member 2420 may include a first fixing part 2421 fixed to the first blade 2400, a second fixing part 2422 fixed to the second blade 2300, and a first fixing part and a first fixing part 2420. It is formed between the two fixing portion is made of an elastic portion 2423 that is contracted or relaxed during the vertical movement of the first blade 2400.

The first elastic member 2420 is connected to the power supply terminal 2430 to receive power from the power supply terminal 2430, and is also electrically connected to the first coil member 2410 to be applied from the power supply terminal 2430. Power is transmitted to the first coil member 2410.

The power supply terminal 2430 is made of a thin plate material perpendicular to the second blade 2300 as opposed to the first elastic member 2420.

In detail, the power supply terminal 2430 includes a first extension part 2431 formed in parallel with an outer surface of the second blade 2300, and a second extension part 2432 bent from the first extension part 2431. It is done by

That is, the power supply terminal 2430 is formed in a shape in which a thin plate horizontal to the outer surface of the second blade 2300 is bent along the outer surface of the second blade 2300.

As such, the power supply terminal 2430 connected to the first elastic member 2420 includes the second extension part 2432 bent from the first extension part 2431, thereby contracting when the second blade 2300 moves horizontally. Or it is relaxed to minimize the external force applied to the second blade (2300) by the power supply terminal (2430).

Like the first blade 2400, the second blade 2300 is equipped with a second elastic member 2320 to elastically support the second blade 2300 in the horizontal direction.

The second elastic member 2320 is made of a thin long wire line, the upper end is fixed to the upper side of the housing 2200, the lower end is mounted below the second blade 2300.

In addition, the second elastic member 2320 is made of an electrically conductive metal material, and is connected to the second coil member 2310 to transfer power to the second coil member 2310.

As such, the second elastic member 2320 that elastically supports the second blade 2300 is connected to the second coil member 2310 to transfer power to the second coil member 2310, thereby eliminating a separate power transmission means. Supplying power to the two coil member 2310 has the effect of reducing the number of parts, and easy assembly.

In addition, the second elastic member 2320 is formed of a plurality, it is mounted on one of the four symmetrical to the second blade 2300 to support the second blade 2300 to maintain the horizontal.

At this time, the second elastic member 2320 is connected to the second coil member 2310 mounted on the outer surface of the second blade 2300 to transfer power, so as to face a pair of outer surfaces of the second blade 2300. The same power is applied to the mounted second coil member 2310.

That is, the same power is applied to two second coil members 2310 disposed on the moving line of the second blade 2300 when the second blade 2300 moves horizontally.

In this way, by applying the same power to the second coil member 2310 mounted in pairs to face each other on the outer surface of the second blade 2300, the same to the second blade 2300 during the horizontal movement of the second blade 2300 The force in the direction is added to improve the driving force.

The operating state of the second embodiment according to the above configuration will be described in detail.

11 to 13 are operation state diagrams of the image capturing apparatus with a shake correction function as seen in B-B of Figure 8, Figure 14 is an operation state diagram of the power terminal viewed from C-C of FIG.

As shown in FIG. 11, before the power is applied to the first coil member 2410 and the second coil member 2310, the first blade 2400 and the second blade 2300 may be formed of the first elastic member 2420. And the second elastic member 2320 are not supported to move arbitrarily.

In addition, the first elastic member 2420 maintains a horizontal state, and the second elastic member 2320 maintains a vertical state.

12 illustrates an operating state when power is applied to the first coil member 2410.

As shown in FIG. 12, when power is applied to the first coil member 2410, a first electromagnetic field is formed around the first coil member 2410, and the first electromagnetic field is a magnetic field generated by the magnet 2500. By raising the first blade 2400 by the interaction of.

That is, the first electromagnetic field generated by the first coil member 2410 is generated at one end of the third magnet 2530 to interact with the magnetic force line passing through the first coil member 2410 to raise the first blade 2400. .

In addition, the first blade 2400 ascends and relaxes the first elastic member 2420 upward.

At this time, the second blade 2300 is supported by the second elastic member 2320 does not rise.

Meanwhile, when the direction of the power applied to the first coil member 2410 is reversed, the direction of the first electromagnetic field generated by the first coil member 2410 is reversed and the first blade 2400 is lowered.

At this time, the first blade 2400 is moved to an initial position by the elastic restoring force of the first elastic member 2420, and is elastically supported so as not to rise arbitrarily.

13 illustrates an operating state when power is applied to the second coil member 2310.

As shown in FIG. 13, when power is applied to the second coil member 2310, a second electromagnetic field is formed around the second coil member 2310, and the second electromagnetic field is connected to a magnetic field generated by the magnet 2500. The second blade 2300 is horizontally moved to the left by interaction.

That is, the second electromagnetic field generated by the second coil member 2310 is generated by the lower end of the first magnet 2510 and the upper end of the second magnet 2520 to pass through the second coil member 2310, and the third The second blade 2300 is horizontally moved to the left side by interacting with a magnetic force line generated at one end of the magnet 2530 and passing through the second coil member 2310.

In addition, the second electromagnetic field generated by the second coil member 2310 is generated at one end of the third magnet 2530 and also interacts with the magnetic force line passing through the second coil member 2310 to horizontally horizontal the second blade 2300 to the left. Move it.

The second blade 2300 relaxes and tilts the second elastic member 2320 in the left direction while moving to the left.

In addition, the first blade 2400 and the first elastic member 2420 mounted on the second blade 2300 are also horizontally moved to the left side.

At this time, as shown in FIG. 14, the power supply terminal 2430 connected to the first elastic member 2420 distributes power while contracting or relaxing to minimize external force that interferes with the second blade 2300.

That is, as shown in FIG. 14A, before the second blade 2300 is moved, the first extension part 2431 and the second extension part 2432 form a right angle with each other, and are shown in FIG. 14B. As described above, when the second blade 2300 moves to the left side, the first extension part 2431 and the second extension part 2432 contract or relax with each other so that the force is dispersed.

Hereinafter, a third embodiment of the present invention will be described.

FIG. 15 is a perspective view of an image photographing apparatus having a shake correction function according to a third embodiment of the present invention, and FIG. 16 is a one-way exploded perspective view of an image photographing apparatus having a shake correction function according to a third embodiment of the present invention. FIG. 17 is an exploded perspective view from another direction of an image photographing apparatus equipped with a shake correction function according to a third exemplary embodiment of the present invention.

As shown in FIGS. 15 to 17, the image photographing apparatus having the shake correction function according to the third exemplary embodiment of the present invention includes a housing, a first blade 3200, a first coil member 3250, and a second blade ( 3300, the second coil member 3350, the magnet 3500, the first elastic member 3700 and the second elastic member 3800, and the housing is formed of a case 3100 and a second blade 3300. And a cover 3150 and a base 3400.

The second blade 3300 has a hexahedron shape, the upper and lower ends of which are opened, and the first blade 3200 is mounted to move vertically therein.

In addition, the first elastic member 3700 and the cover 3150 are mounted on the upper side of the second blade 3300, and the base 3400 is fixed to the lower side.

The cover 3150 has a quadrangular shape and has a central portion open upward and downward to allow incident light of the lens to pass therethrough.

The first blade 3200 has a hexahedral shape, the lower end of which is opened, an upper end of which is formed an opening hole 3210 through which incident light from a lens (not shown) passes, and an outer side of the first blade member 3250 is mounted.

In addition, a through hole 3220 through which the magnet 3500 is inserted is formed at an upper end of the first blade 3200.

The through hole 3220 has a quadrangular shape, the width of which is greater than the width of the magnet 3500, and a plurality of the through holes 3220 are disposed symmetrically with respect to the opening hole 3210.

The first coil member 3250 is a thin wire through which a current flows, and is wound around the outer surface of the first blade 3200.

At this time, the outer edge portion of the first blade 3200 is chamfered to prevent the first coil member 3250 from being damaged.

In addition, the second blade 3300 is mounted in the first blade 3200 to be moved in the horizontal direction by the second elastic member 3800.

The second blade 3300 has a hexahedron shape, the center of which is vertically open, and a lens is inserted therein.

In addition, the second coil member 3350 is mounted on the side surface of the second blade 3300.

The second coil member 3350 is a thin wire having a current flowing therein and is wound in a direction orthogonal to the winding direction of the first coil member 3250, and is formed in a circular hollow shape.

A total of four second coil members 3350 are mounted on the side surfaces of the second blades 3300 and are arranged symmetrically with respect to the optical axis of the lens.

On the other hand, the base 3400 is mounted to the lower side of the second blade 3300, the center is formed in the rectangular shape up and down open.

The magnet 3500 is fixed to the upper side of the base 3400.

The magnet 3500 is disposed adjacent to the outside of the second coil member 3350 on the upper side of the base 3400.

In detail, the magnet 3500 includes a first magnet 3510, a second magnet 3520, and a third magnet 3530.

The first magnets 3510 and the second magnets 3520 are squarely divided up and down in polarity, and are arranged on two sides of each of the second coil members 3350 to have a total of eight.

In addition, the second magnet 3520 is disposed below the first magnet 3510 with the third magnet 3530 interposed therebetween.

The first magnet 3510 and the second magnet 3520 are separated from each other in a vertically and symmetrical polarity with respect to the third magnet 3530.

That is, the polarities of the lower end of the first magnet 3510 and the upper end of the second magnet 3520 are the same, and the polarities of the upper end of the first magnet 3510 and the lower end of the second magnet 3520 are the same. .

In addition, the first magnet 3510 and the second magnet 3520 are disposed between the first blade 3200 and the second blade 3300, one end of which is disposed in the direction of the second coil member 3350 and the other end of which is the first magnet 3520. It is arranged in the coil member 3250 direction.

That is, as shown in FIG. 18, one end of the first magnet 3510 and the second magnet 3520 is disposed adjacent to the second coil member 3350, and the first magnet 3510 and the second magnet 3520 are disposed. The other end of the second blade 3200 is disposed to face the inner surface of the first blade 3200 and is adjacent to the first coil member 3250 mounted on the outer surface of the first blade 3200.

The third magnet 3530 has a quadrangular shape and the polarity thereof is separated in a moving direction of the second blade 3300, that is, in a left and right direction, and includes a total of four one at each side of the second coil member 3350.

The third magnet 3530 is mounted between the first magnet 3510 and the second magnet 3520.

In addition, one end of the third magnet 3530 protrudes in the direction of the second coil member 3350, and one end of the third magnet 3530 is inserted into the center of the second coil member 3350.

The other end of the third magnet 3530 is disposed to face the inner surface of the first blade 3200 and is adjacent to the first coil member 3250 mounted to the outside of the first blade 3200.

In the third embodiment of the present invention, the polarity of the lower end of the first magnet 3510 and the upper end of the second magnet 3520 is N pole, and the upper end of the first magnet 3510 and the lower end of the second magnet 3520. Is the S pole, and one end of the third magnet 3530 is the N pole and the other end is the S pole.

The magnetic force lines generated at the N pole, which is the lower end of the first magnet 3510, move to the S pole, which is the upper end of the first magnet 3510, through the second coil member 3350, and the upper end of the second magnet 3520 is N. The magnetic force line generated at the pole moves to the S pole, which is the lower end of the second magnet 3520, through the second coil member 3350.

In addition, some of the magnetic force lines generated at the N pole, which is the lower end of the first magnet 3510, are S poles which are the upper ends of the first magnets 3510 and S poles which are the other ends of the third magnet 3530 via the first coil member 3250. And the other end of the magnetic poles generated at the north pole of the second magnet 3520 through the first coil member 3250 and the other end of the S pole and the third magnet 3530 which are the lower ends of the second magnet 3520. Go to the S pole.

The magnetic force lines generated at the north pole of one end of the third magnet 3530 are respectively moved to the south pole of the first magnet 3510 and the south pole of the second magnet 3520 via the second coil member 3350. do.

In addition, some of the magnetic force lines generated at the N pole, which is one end of the third magnet 3530, move to the S pole, which is the other end of the third magnet 3530, through the first coil member 3250.

In this way, by mounting the third magnet 3530 between the first magnet 3510 and the second magnet 3520, the magnetic force lines generated in the third magnet 3530 is the first coil member 3250 and / or the second While passing through the coil member 3350, the strength of the magnetic field interacting with the first electromagnetic field of the first coil member 3250 and / or the second electromagnetic field of the second coil member 3350 is increased, thereby increasing the strength of the first coil member. 3250 and / or the driving force of the second coil member 3350 is improved.

In addition, one end of the third magnet 3530 protrudes in the direction of the second coil member 3350, thereby causing the third magnet 3530 to be adjacent to the second coil member 3350 to generate a magnetic field generated by the third magnet 3530. And the range in which the second electromagnetic field generated by the second coil member 3350 interact with each other, thereby increasing the driving force of the second coil member 3350.

In addition, by arranging the other end of the third magnet 3530 in the direction of the first coil member 3250, some of the magnetic force lines of the first magnet 3510 move to the third magnet 3530 via the first coil member 3250. In order to increase the magnetic force line passing through the third magnet 3530, thereby improving the driving force of the first coil member 3250.

In addition, the other end of the third magnet 3530 is in contact with the lower end of the first magnet 3510 and the upper end of the second magnet 3520.

That is, the first magnet 3510 is mounted on the upper end of the third magnet 3530, and the second magnet 3520 is mounted on the lower end of the third magnet 3530.

The third magnet 3530 has a polarity at the lower end of the first magnet 3510 and the other end contacting the upper end of the second magnet 3520 at a lower end of the first magnet 3510 and an upper end of the second magnet 3520. And are placed opposite each other.

In addition, the polarity of one end of the third magnet 3530 protruding toward the second coil member 3350 is disposed opposite to the polarity of the upper end of the first magnet 3510 and the lower end of the second magnet 3520.

As such, the polarity of the other end of the third magnet 3530 that is in contact with the lower end of the first magnet 3510 and the upper end of the second magnet 3520 may be defined by the lower end of the first magnet 3510 and the upper end of the second magnet 3520. By arranging the polarity opposite, the other end of the third magnet 3530 and the other end of the third magnet 3530 having the opposite polarity and the upper end of the second magnet 3520 are attracted to each other. Attached to the first magnet 3510, the second magnet 3520 and the third magnet 3530 has an effect of improving the mutual coupling force, and easy assembly.

In addition, the first magnet 3510, which is in contact with the upper surface of the third magnet 3530, is disposed at a height similar to the upper surface of the first blade 3200 and inserted into the through hole 3220 formed on the upper side of the first blade 3200. do.

The through hole 3220 is rectangular in shape and larger than the width of the first magnet 3510.

As such, by forming a through hole 3220 through which the first magnet 3510 is inserted when the first blade 3200 moves up and down on the first blade 3200, the size of the first blade 3200 is reduced, There is an effect of smoothing the vertical movement of the first blade 3200 by avoiding the first magnet 3510.

In addition, the vertical length of the second coil member 3350 is smaller than the vertical length of the magnet 3500.

That is, the upper end of the second coil member 3350 is disposed below the upper end of the first magnet 3510, and the lower end of the second coil member 3350 is disposed above the lower end of the second magnet 3520.

As described above, since the length of the second coil member 3350 is smaller than the length of the magnet 3500, the second coil member 3350 is disposed within the range of the magnetic field generated by the magnet 3500, so that the second coil member 3350 The amount of the magnetic field acting on the coil member 3350 is increased, thereby improving the driving force of the second coil member 3350.

Meanwhile, the third elastic member 3790 and the second elastic member 3800 are mounted on the second blade 3300.

The third elastic member 3790 is made of a thin plate of a rectangular shape, the outer side is fixed to the base 3400, the inner side is mounted to the lower end of the second blade 3300 to move the second blade 3300 in the vertical direction And elastic support in the horizontal direction.

The second elastic member 3800 is formed of a wire spring formed vertically long, one end is fixed to the upper end of the first blade 3200, the other end is fixed to the lower end of the second blade 3300, the second blade The 3300 is elastically supported to be moved in the horizontal direction within the first blade 3200.

In addition, the second elastic member 3800 is made of an electrically conductive material and is electrically connected to the disconnection of the second coil member 3350.

A total of four second elastic members 3800 are mounted on the lower ends of the second blades 3300 and are arranged symmetrically with respect to the optical axis of the lens.

In addition, the first elastic member 3700 is mounted on the first blade 3200.

The first elastic member 3700 is formed of a thin plate having a rectangular shape, and the outer side is coupled to the upper side of the second blade 3300 and the inner side is coupled to the upper side of the first blade 3200.

The outer side and the inner side of the first elastic member 3700 are elastically connected to each other, and can be contracted and relaxed in the vertical direction to elastically support the first blade 3200 to be moved up and down inside the second blade 3300.

In addition, the side of the first elastic member 3700 is formed with a terminal portion 3750 is bent to the side of the second blade 3300 and connected to the external power source, and is connected to the external power source and the first coil member 3250 It performs a function of supplying power to the second coil member 3350.

Specifically, the first elastic member 3700 is a conductor layer (not shown) connected to an external power source to transfer power to the first coil member 3250 and the second coil member 3350, and an insulation layer surrounding the conductor layer. Is done.

The conductor layer is composed of a plurality of electric circuits for transmitting power to the first coil member 3250 or the second elastic member 3800, and is electrically connected to an external power source.

That is, the conductor layer is directly connected to the disconnection of the first coil member 3250 to transfer external power to the first coil member 3250, and is electrically connected to one end of the second elastic member 3800 to be the second elastic member. Power is supplied to the second coil member 3350 connected to the other end of the 3800.

In this way, one end of the second elastic member 3800 that elastically supports the second blade 3300 in the horizontal direction is electrically connected to the conductor layer, and the other end is electrically connected to the disconnection of the second coil member 3350. By supplying external power to the second coil member 3350, both the function of supplying power and the function of elastically supporting the second blade 3300 are performed to reduce the overall number of parts and simplify the structure.

The insulating layer is made of a material that does not conduct electricity, wraps the conductor layer to prevent the conductor layer from being damaged, and blocks external electrical noise.

In addition, the insulating layer is made of a flexible material is easily bent and has an elastic force.

As described above, the first elastic member 3700 mounted on the first blade 3200 to elastically support the first blade 3200 is connected to an external power source so that the first coil member 3250 and the second coil member 3350 are connected. It consists of a conductor layer that delivers power to the wire) and an insulating layer surrounding the conductor layer, thereby performing both a function of supplying power and a function of elastically supporting the first blade 3200 to reduce the overall number of parts and simplify the structure. Let's do it.

An operation state of the third embodiment according to the above configuration will be described.

FIG. 18 is a cross-sectional view of an image photographing apparatus having a shake correction function according to a third embodiment of the present invention as seen from the EE of FIG. 15, and FIGS. 19 and 20 are a third embodiment of the present invention as seen from the EE of FIG. 15. The operation state diagram of the image photographing apparatus equipped with a shake correction function according to.

As shown in FIG. 18, before power is applied to the first coil member 3250 and the second coil member 3350, the first blade 3200 may include the first elastic member 3700 and the third elastic member 3790. It is disposed in a supported state above the base 3400, the first elastic member 3700 maintains a horizontal state.

In addition, the second blade 3300 is disposed in a state of being supported above the base 3400 by the second elastic member 3800 in the first blade 3200.

In addition, the gap between the first coil member 3250 and the outer surface of the magnet 3500 is symmetrical with respect to the optical axis of the lens, and the gap between the inner surface of the magnet 3500 and the second coil member 3350 is It is symmetrical about the optical axis of the lens.

As shown in FIG. 19, when power is applied to the first coil member 3250, the first blade may be formed by the interaction between the first electromagnetic field generated by the first coil member 3250 and the magnetic field generated by the magnet 3500. 3200 rises.

That is, the first electromagnetic field generated by the first coil member 3250 is generated at the lower end of the first magnet 3510 and passes through the magnetic force line passing through the first coil member 3250, and is generated at the upper end of the second magnet 3520. The first blade 3200 is lifted by the interaction of the force line passing through the first coil member 3250 and the magnetic force line passing through the first coil member 3250 by being generated at one end of the third magnet 3530.

As the first blade 3200 rises, the first elastic member 3700 mounted on the upper side of the first blade 3200 relaxes in an upward direction while the inner side thereof rises together with the first blade 3200.

In addition, the inner side of the first elastic member 3700 is also raised to the second blade 3300 connected to the inner side of the first elastic member 3700 and connected by the second elastic member 3800 to the inside of the first blade 3200. While rising together.

In this case, as shown in FIG. 18, since the second blade 3300 on which the second coil member 3350 is mounted moves only in the vertical direction without moving left and right, the inner surfaces of the second coil member 3350 and the magnet 3500 are moved. The gap between them does not change.

Accordingly, when the second blade 3300 moves horizontally, the magnetic field of the magnet 3500 is uniformly conducted to the second coil members 3350 disposed on both sides of the second blade 3300, thereby horizontally moving the second blade 3300. Make the movement smooth.

In addition, the first coil member 3250 may move downward when the direction of the applied power is reversed.

Meanwhile, when power is applied to the second coil member 3350 while the first blade 3200 is raised, as shown in FIG. 20, the second blade 3300 is the first blade 3200 inside the first blade 3200. Independently move horizontally to the left.

That is, the second electromagnetic field generated by the second coil member 3350 is generated at the lower end of the first magnet 3510 and passes through the magnetic force line passing through the second coil member 3350, and is generated at the upper end of the second magnet 3520. The second blade 3300 is horizontally moved by the interaction between the force line passing through the second coil member 3350 and the magnetic force line passing through the second coil member 3350 at one end of the third magnet 3530.

As the second blade 3300 moves to the left side, the second elastic member 3800 is deformed to the left side, and the second elastic member 3800 elastically supports the second blade 3300 to the right by elastic restoring force.

The second blade 3300 is movable in the right or front and rear directions according to the direction of the current applied to the second coil member 3350.

As such, the magnet 3500 is disposed between the inner surface of the first blade 3200 and the outer surface of the second blade 3300, and the first blade 3200 and the second blade 3300 are vertically moved together. By moving the second blade 3300 horizontally independently of the first blade 3200, the second coil member 3350 and the magnet (3350) mounted on the Shanghai simultaneous second blade 3300 of the first blade 3200 may be provided. The spacing of the 3500 is kept constant, and the magnetic field of the magnet 3500 is uniformly conducted to the second coil members 3350 mounted on both sides of the second blade 3300 so that the horizontal of the second blade 3300 is uniform. Make the movement smooth.

On the contrary, when the horizontal movement of the second blade 3300 is horizontally maintained, the distance between the first coil member 3250 and the magnet 3500 is uniformly maintained so that the first blade 3200 can be moved smoothly.

Hereinafter, a fourth embodiment of the present invention will be described.

FIG. 21 is a perspective view of the image capturing apparatus of the fourth embodiment, FIG. 22 is an exploded perspective view of the image capturing apparatus of the fourth embodiment, and FIG. 23 is an enlarged partial perspective view of D of FIG.

As shown in FIGS. 21 to 23, the image photographing apparatus having the shake correction function according to the fourth embodiment includes a housing 4200, a second blade 4300, a second coil member 4310, and a first blade 4400. ), The first coil member 4410, the magnet 4500, the first yoke 4900, the second yoke 4600, the first elastic member 4420, the power supply terminal 4430 and the second elastic member 4320 It is made, including.

The housing 4200 is formed to be separated into upper and lower portions in a rectangular shape, and the edges protrude in a direction facing each other to be coupled to surround the second blade 4300.

The second blade 4300 is mounted to be moved horizontally inside the housing 4200 in a rectangular hollow shape.

A through hole 4301 is formed at a side surface of the second blade 4300 to open the inside and the outside of the second blade 4300.

The through holes 4301 are formed in one quadrangle shape on each of four side surfaces of the second blade 4300.

In addition, fixing protrusions 4302 protruding in the direction of the magnet 4500 are formed at both sides of the through hole 4301.

Inside the second blade 4300, the first blade 4400 is mounted to be moved up and down.

The first blade 4400 has a cylindrical hollow shape, and a plurality of lenses (not shown) for adjusting the magnification of the subject are inserted therein.

In addition, a first coil member 4410 is mounted on an outer circumferential surface of the first blade 4400.

The first coil member 4410 is wound around the outer circumferential surface of the first blade 4400 with a thin wire through which a current flows.

That is, the first coil member 4410 surrounds the outer circumferential surface of the first blade 4400 in one direction that rotates about the optical axis of the lens.

The first coil member 4410 moves up and down the first blade 4400 by forming a first electromagnetic field (not shown) around when the power is applied.

On the other hand, the second coil member 4310 is mounted on the outer surface of the second blade 4300.

The second coil member 4310 is wound around the outer surface of the second blade 4300 with a thin wire through which a current flows, and is formed in a hollow cylindrical shape.

In addition, the second coil member 4310 is mounted to face the outer circumferential surface of the second blade 4300 in pairs.

That is, the two second coil members 4310 are arranged on the outer circumferential surface of the second blade 4300 facing each other one by one to form a pair, and a total of two pairs of the second coil members 4310 are the second blades 4300. It is mounted on the outer circumferential surface of the.

In addition, the second coil member 4310 is mounted to be inserted into the fixing protrusion 4302 formed on the outer surface of the second blade 4300.

That is, the hollow part 4320 of the second coil member 4310 may be inserted into the hollow part 4311 formed in the center of the second coil member 4310 by inserting the two fixing protrusions 4302 formed on both sides of the through hole 4301. 4311 is in communication with the through hole 4301.

The second coil member 4310 horizontally moves the second blade 4300 by forming a second electromagnetic field (not shown) around when the power is applied.

On the other hand, the magnet 4500 is mounted on the side of the housing 4200 and disposed adjacent to the outside of the second coil member 4310.

The magnet 4500 is a two-pole separate magnet up and down in a rectangular shape, and consists of a total of eight two on each side of the housing 4200.

And the magnet 4500 is inserted into the insertion groove 4210 formed on the side of the housing 4200 is vertically separated.

The magnets 4500 are mounted one by one to the insertion grooves 4210 to allow the magnets 4500 to be separated up and down.

In addition, the magnet 4500 includes a first magnet 4510 and a second magnet 4520 disposed below the first magnet 4510.

The second yoke 4600 is mounted between the first magnet 4510 and the second magnet 4520.

In addition, the first magnet 4510 and the second magnet 4520 are disposed to have the same polarity in the direction in contact with the second yoke 4600.

That is, when the lower end of the first magnet 4510 disposed above the second yoke 4600 is the N pole, the upper end of the second magnet 4520 disposed below the second yoke 4600 also becomes the N pole.

In this way, by making the polarities of the magnets 4500 in contact with the second yoke 4600 equal to each other, the magnetic field generated by the magnets 4500 is horizontal with the second electromagnetic field generated when the power is applied to the second coil member 4310. To be.

The second yoke 4600 mounted between the magnets 4500 may be formed of a metal material that is ferromagnetic in a rectangular shape.

Specifically, one end of the second yoke 4600 is disposed between the magnets 4500, and the magnets are in contact with the magnets 4500.

In addition, the other end of the second yoke 4600 is protruded in the direction of the second blade 4300 and penetrates through the second coil member 4310 and is adjacent to the first coil member 4410.

That is, the other end of the second yoke 4600 is inserted into the hollow portion 4311 of the second coil member 4310 through the fixing protrusion 4302 of the second blade 4300 in which the second coil member 4310 is inserted. It penetrates through the through-hole 4301 of the second blade 4300 in communication with the hollow portion 4311 and is adjacent to the first coil member 4410.

By inserting the second yoke 4600 into the second coil member 4310, the magnetic field generated by the magnet 4500 can be guided to the second coil member 4310 through the second yoke 4600. Can be.

In addition, the second yoke 4600 is inserted into the through hole 4301 of the second blade 4300 so that the second yoke 4600 passes through the second coil member 4310 and is adjacent to the first coil member 4410. You can do that.

On the other hand, the first yoke 4900 has a rectangular shape, the thickness is thinner than the second yoke 4600, the width is formed larger than the width of the magnet 4500.

In addition, the first yoke 4900 is composed of a plurality of one is disposed on each of the upper portion of the first magnet 4510, it is fixedly mounted on the upper surface of the first magnet 4510.

In the fifth embodiment, the upper end of the first magnet 4510 is disposed so that the lower end of the S pole is the N pole, and the first yoke 4900 is mounted on the upper part of the S pole located at the upper end of the first magnet 4510. .

The first yoke 4900 has a magnetic force line generated at the north pole of the first magnet 4510 via the first coil member 4410 and / or the second coil member 4310 and the upper end of the first magnet 4510. To return to the S pole.

As such, the magnetic force lines generated at the N poles of the first magnet 4510 pass through the first coil member 4410 and / or the second coil member 4310 to the first yoke 4900 mounted on the first magnet 4510. By returning to the S pole by), the magnetic force lines generated in the first magnet 4510 is prevented from being dispersed to the outside, thereby increasing the magnetic field strength of the first magnet 4510, thereby increasing the first coil member 4410 and And / or improves the driving force of the second coil member 4310.

Of course, in some cases, the first yoke 4900 may be disposed under the second magnet 4520, or may be disposed under both the upper part of the first magnet 4510 and the lower part of the second magnet 4520.

In some cases, the upper end of the first magnet 4510 may be disposed such that the lower end of the N pole becomes the S pole.

In addition, the first yoke 4900 protrudes in the direction of the first coil member 4410.

In other words, the first yoke 4900 protrudes linearly in the direction of the first coil member 4410, that is, outward from the S pole of the first magnet 4510, that is, the first magnet 4510. Is disposed inside the first coil member 4410.

The first yoke 4900 is generated at the north pole of the lower end of the first magnet 4510 to induce a magnetic force line passing through the first coil member 4410 to be better returned to the south pole of the first magnet 4510. do.

As such, the first yoke 4900 protrudes in the direction of the first coil member 4410, thereby bringing the first yoke 4900 close to the first coil member 4410 and returning to the first magnet 4510. The magnetic force line of the 4510 is increased, thereby increasing the magnetic field strength of the first magnet 4510, thereby improving the driving force of the first coil member 4410.

Meanwhile, the first elastic member 4420 is mounted on the lower end of the first blade 4400 to elastically support the first blade 4400 in the vertical direction.

In detail, the first elastic member 4420 is made of a thin plate material horizontal to the second blade 4300, and the surface of the first elastic member 4420 is plated with a metal material so as to conduct electricity.

In addition, the first elastic member 4420 may include a first fixing part 4421 fixed to the first blade 4400, a second fixing part 4422 and a first fixing part 4421 fixed to the second blade 4300. And an elastic part 4423 formed between the second fixing part 4422 and contracting or relaxing when the first blade 4400 moves up and down.

The first elastic member 4420 is connected to the power supply terminal 4430 to receive power from the power supply terminal 4430, and is also electrically connected to the first coil member 4410 and applied from the power supply terminal 4430. Power is transmitted to the first coil member 4410.

The power supply terminal 4430 is made of a thin plate material perpendicular to the second blade 4300 as opposed to the first elastic member 4420.

Specifically, the power supply terminal 4430 includes a first extension portion 4431 formed in parallel with the outer surface of the second blade 4300, and a second extension portion 4432 formed from the first extension portion 4431. It is done by

That is, the power supply terminal 4430 is formed in a shape in which a thin plate horizontal to the outer surface of the second blade 4300 is bent along the outer surface of the second blade 4300.

As described above, the power supply terminal 4430 connected to the first elastic member 4420 includes the second extension part 4432 formed from the first extension part 4431, and thus contracts when the second blade 4300 moves horizontally. Or it is relaxed to minimize the external force applied to the second blade (4300) by the power supply terminal (4430).

Similar to the first blade 4400, the second blade 4300 is equipped with a second elastic member 4320 to elastically support the second blade 4300 in the horizontal direction.

The second elastic member 4320 is made of a thin long wire line, the upper end is fixed to the upper side of the housing 4200, the lower end is mounted below the second blade 4300.

In addition, the second elastic member 4320 is made of an electrically conductive metal material, and is connected to the second coil member 4310 to transmit power to the second coil member 4310.

As such, the second elastic member 4320 elastically supporting the second blade 4300 is connected to the second coil member 4310 to transfer power to the second coil member 4310, thereby eliminating a separate power transmission means. Supplying power to the 2 coil member 4310 has the effect of reducing the number of parts, and easy assembly.

In addition, the second elastic member 4320 is composed of a plurality of, it is mounted on one of four places symmetrical to the second blade 4300 to support the second blade 4300 to maintain the horizontal.

At this time, the second elastic member 4320 is connected to the second coil member 4310 mounted on the outer surface of the second blade 4300 to transfer power, so as to face a pair of outer surfaces of the second blade 4300. The same power is applied to the mounted second coil member 4310.

That is, when the second blade 4300 moves horizontally, the same power is applied to the two second coil members 4310 disposed on the moving line of the second blade 4300.

Thus, by applying the same power to the second coil member 4310 mounted in pairs to face each other on the outer surface of the second blade 4300, the same as the second blade 4300 during the horizontal movement of the second blade 4300 The force in the direction is added to improve the driving force.

The operating state of the fourth embodiment according to the above configuration will be described in detail.

24 to 26 are operation state diagrams of the image photographing apparatus as viewed from B-B of FIG. 21, and FIG. 27 is an operation state diagram of the power supply terminal as seen from C-C of FIG.

As shown in FIG. 24, before the power is applied to the first coil member 4410 and the second coil member 4310, the first blade 4400 and the second blade 4300 may be formed of the first elastic member 4420. Since it is supported by the second elastic member 4320, it does not move arbitrarily.

In addition, the first elastic member 4420 maintains a horizontal state, and the second elastic member 4320 maintains a vertical state.

25 illustrates an operation state when power is applied to the first coil member 4410.

As shown in FIG. 25, when power is applied to the first coil member 4410, a first electromagnetic field is formed around the first coil member 4410, and the first electromagnetic field is generated from the magnet 4500 to generate a second yoke. The first blade 4400 is raised by the interaction with the magnetic field induced through the 4600.

At this time, the first yoke 4900 induces a line of magnetic force generated at the north pole of the first magnet 4510 to return to the south pole of the top of the first magnet 4510 via the first coil member 4410.

Then, the first blade 4400 ascends and relaxes the first elastic member 4420 in the upward direction.

At this time, the second blade 4300 is supported by the second elastic member 4320 does not rise.

On the other hand, when the direction of the power applied to the first coil member 4410 is reversed, the first blade 4400 is lowered while the direction of the first electromagnetic field generated by the first coil member 4410 is reversed.

At this time, the first blade 4400 moves to an initial position by the elastic restoring force of the first elastic member 4420 and is elastically supported so as not to be arbitrarily raised.

FIG. 26 illustrates an operating state when power is applied to the second coil member 4310.

As shown in FIG. 26, when power is applied to the second coil member 4310, a second electromagnetic field is formed around the second coil member 4310, and the second electromagnetic field is generated from the magnet 4500 to generate the second yoke. The second blade 4300 is horizontally moved to the left by interaction with the magnetic field induced through the 4600.

The second blade 4300 relaxes and tilts the second elastic member 4320 in the left direction while moving to the left.

In addition, the first blade 4400 and the first elastic member 4420 mounted on the second blade 4300 also move horizontally to the left side.

At this time, as shown in FIG. 27, the power supply terminal 4430 connected to the first elastic member 4420 distributes the force while contracting or relaxing to minimize the external force that interferes with the second blade 4300.

That is, as shown in FIG. 27A, before the second blade 4300 is moved, the first extension part 4431 and the second extension part 4432 form a right angle with each other. As shown in the drawing, when the second blade 4300 moves to the left side, the first extension part 4431 and the second extension part 4432 are contracted or relaxed with each other to distribute the force.

As such, the magnetic field generated by the magnet 4500 interacts with both the first electromagnetic field and the second electromagnetic field through the second yoke 4600, and thus, the shanghai-dong and the second blade 4300 of the first blade 4400. Integrating the magnet (4500) for the horizontal movement of the) reduces the number of parts, facilitates assembly, there is an effect of reducing the overall size.

Hereinafter, a fifth embodiment of the present invention will be described.

FIG. 28 is a perspective view of an image photographing apparatus having a shake correction function according to a fifth embodiment of the present invention. FIG. 29 is a one-way exploded perspective view of an image photographing apparatus having a shake correction function according to a fifth embodiment. 30 is an exploded perspective view of another direction of the image photographing apparatus with the shake correction function according to the fifth embodiment.

28 to 30, the image capturing apparatus with a shake correction function according to the fifth embodiment includes a housing, a first blade 5200, a first coil member 5250, a second blade 5300, The second coil member 5350, the magnet 5500, the first yoke 5900, the second yoke 5600, the first elastic member 5700, and the second elastic member 5800 are formed. The second blade 5100, the cover 5150, and the base 5400 are included.

The housing has an hexahedral shape, the upper and lower ends of which are opened, and the first blade 5200 is mounted to move vertically therein.

In addition, the first elastic member 5700 and the cover 5150 is mounted on the upper side of the housing, and the base 5400 is fixed to the lower side.

The cover 5150 has a rectangular shape and has a central portion open upward and downward to allow incident light of the lens to pass therethrough.

The first blade 5200 has a hexahedral shape, the lower end of which is open, an opening hole 5210 through which incident light from a lens (not shown) passes, and a first coil member 5250 is mounted on an outer side of the first blade 5200.

In addition, a through hole 5220 through which the first yoke 5900 is inserted is formed at an upper portion of the first blade 5200.

The through-hole 5220 has a square shape, the width of which is larger than the width of the first yoke 5900, and consists of a plurality of through-holes 5210 to be symmetrically arranged about the opening hole 5210.

The first coil member 5250 is a thin wire through which a current flows, and is wound around the outer surface of the first blade 5200.

At this time, the outer edge portion of the first blade 5200 is chamfered to prevent the first coil member 5250 from being damaged.

In addition, the second blade 5300 is mounted in the first blade 5200 to be moved in the horizontal direction by the second elastic member 5800.

The second blade 5300 has a hexahedron shape, the center of which is vertically open, and a lens is inserted therein.

In addition, a second coil member 5350 is mounted on a side surface of the second blade 5300.

The second coil member 5350 is a thin wire having a current flowing therein and is wound in a direction orthogonal to the winding direction of the first coil member 5250, and is formed in a circular hollow shape.

A total of four second coil members 5350 are mounted on side surfaces of the second blade 5300, and are arranged symmetrically with respect to the optical axis of the lens.

On the other hand, the base 5400 is mounted to the lower side of the second blade 5300, the center is formed in the top and bottom open in a rectangular shape.

The magnet 5500, the first yoke 5900, and the second yoke 5600 are mounted and fixed to an upper side of the base 5400.

The magnets 5500 are formed of a plurality of cubes, and are arranged symmetrically with respect to the first blade 5200.

In addition, the magnet 5500 is mounted between the first blade 5200 and the second blade 5300, one side of which is disposed in the direction of the first coil member 5250, and the other side of the magnet 5500 is disposed in the direction of the second coil member 5350. .

That is, as shown in FIG. 31, one surface of the magnet 5500 is disposed to face the inner surface of the first blade 5200 and adjacent to the first coil member 5250 mounted on the outer surface of the first blade 5200. The other surface of the magnet 5500 is disposed to face the second coil member 5350 to be adjacent to the second coil member 5350.

As described above, the magnet 5500 has one surface disposed in the direction of the first coil member 5250 and the other surface disposed in the direction of the second coil member 5350 to be mounted and fixed to the base 5400. The spacing of the magnets 5500 is reduced, thereby simplifying the overall structure and size.

In addition, the magnet 5500 is composed of eight pieces each of two on the side of the first blade 5200, and the first magnet 5510 and the second yoke 5600 which are in contact with the upper surface of the second yoke 5600, as described below. The second magnet 5520 in contact with the lower surface of the ().

Polarities of the first magnets 5510 and the second magnets 5520 are formed in the vertical direction, respectively, and the polarities of the first magnets 5510 and the second magnets 5520 are vertically symmetric with respect to the second yoke 5600.

That is, the polarity of the first magnet 5510 in contact with the upper surface of the second yoke 5600 is S pole in the upper direction, the N pole is disposed in the lower direction, the second magnet 5520 in contact with the lower surface of the second yoke 5600. ) Poles are arranged in the north pole and the south pole in the downward direction.

The first yoke 5900 has a rectangular shape, the thickness of which is thinner than that of the second yoke 5600, and the width of the first yoke 5900 is wider than that of the magnet 5500.

In addition, the first yoke (5900) is composed of a plurality of one is disposed on top of each of the first magnet (5510), it is fixedly mounted on the upper surface of the first magnet (5510).

In this embodiment, the upper end of the first magnet (5510) is arranged so that the lower end of the S pole to the N pole, the first yoke (5900) was mounted on top of the S pole located on the upper end of the first magnet (5510).

The first yoke 5900 has a magnetic force line generated at the north pole of the first magnet 5510 through the first coil member 5250 and / or the second coil member 5350 and the upper end of the first magnet 5510. To return to the S pole.

As such, the magnetic force lines generated at the N pole, which is the lower end of the first magnet 5510, are mounted on the first magnet 5510 or the first coil 5510 via the first coil member 5250 or the second coil member 5350. By returning to the S pole, which is the upper end of the first magnet (5510), by increasing the magnetic field strength of the first magnet (5510) by preventing the magnetic force lines generated in the first magnet (5510) to be dispersed to the outside, Therefore, there is an effect of improving the driving force of the first coil member 5250 and the second coil member 5350.

Of course, in some cases, the first yoke 5900 may be disposed under the second magnet 5520, or may be disposed under both the upper part of the first magnet 5510 and the lower part of the second magnet 5520.

In some cases, the lower end of the first magnet 5510 may be arranged such that the upper end of the S pole is the N pole.

In addition, the first yoke 5900 protrudes in the direction of the first coil member 5250.

In other words, the first yoke 5900 protrudes in a straight line in the direction of the first coil member 5250, that is, outward from the upper portion of the first magnet 5510, and an end of the first yoke 5900 is inward of the first coil member 5250. Is placed on.

The first yoke 5900 is generated at the N pole, which is the lower end of the first magnet 5510, to induce a magnetic force line passing through the first coil member 5250 to be better returned to the S pole, which is the upper end of the first magnet 5510. do.

As such, the first yoke 5900 protrudes in the direction of the first coil member 5250, thereby increasing the magnetic force line that returns the first yoke 5900 to the first coil member 5250 and returns to the first magnet 5510. As a result, the magnetic field strength of the first magnet 5510 is increased, thereby improving the driving force of the first coil member 5250.

The second yoke 5600 is made of a magnetic material having a hexahedron shape, and the upper surface is in contact with the first magnet 5510 and the lower surface is fixed to the upper side of the base 5400 by contact with the second magnet 5520.

In addition, the second yoke 5600 includes four in total, one on each side of the first blade 5200.

As shown in FIG. 31, the second yoke 5600 is disposed between the first blade 5200 and the second blade 5300, and one surface of the second yoke 5600 is disposed in the direction of the first coil member 5250. 5250, the other surface thereof is disposed in the direction of the second coil member 5350 to adjoin the second coil member 5350.

As described above, the magnet 5500 has the polarity of the second yoke 5600 disposed up and down symmetrically, and one side of the second yoke 5600 is disposed in the direction of the first coil member 5250, and the other side thereof has the second coil. By disposing in the direction of the member 5350, the overall structure is simplified, and the magnetic field of the magnet 5500 is sufficiently transmitted to the first coil member 5250 and the second coil member 5350 so that the first blade 5200 and the second are The blade 5300 moves smoothly.

In addition, the second yoke 5600 is provided with a magnetic induction protrusion 5610 protruding in the direction of the second coil member 5350 and inserted into the center of the second coil member 5350.

The magnetic induction protrusion 5610 is formed in a rectangular shape smaller than the width of the second yoke 5600 and is inserted into the center of the second coil member 5350 to be adjacent to the inner surface of the second coil member 5350.

The magnetic induction protrusion 5610 induces a magnetic field generated in the magnet 5500 disposed above and below the second yoke 5600 toward the second coil member 5350.

As such, the magnetic field of the magnet 5500 is formed by forming the magnetic induction protrusion 5610 protruding toward the second coil member 5350 in the second yoke 5600 to be inserted into the center of the second coil member 5350. It is well guided in the direction of the two coil member (5350).

In addition, the first magnet 5510 in contact with the upper surface of the second yoke 5600 is disposed at a height similar to the upper surface of the first blade 5200 and inserted into the through hole 5220 formed above the first blade 5200. do.

The through hole 5220 is rectangular in shape and larger than the width of the magnet 5500.

As described above, a through hole 5220 is formed through the magnet 5500 to penetrate the first blade 5200 when the first blade 5200 moves up and down, thereby reducing the size of the first blade 5200 and the magnet ( There is an effect of smoothing the vertical movement of the first blade (5200) by avoiding 5500.

In addition, the length of the second coil member 5350 is smaller than the sum of the lengths of the vertical direction of the magnet 5500 and the second yoke 5600.

That is, the upper end of the second coil member 5350 is disposed below the upper end of the first magnet 5510, and the lower end of the second coil member 5350 is disposed above the lower end of the second magnet 5520.

As described above, since the length of the second coil member 5350 is smaller than the sum of the lengths of the magnet 5500 and the vertical length of the second yoke 5600, the second coil member 5350 may be generated from the magnet 5500. Therefore, the amount of the magnetic field disposed in the range of the magnetic field induced by the second yoke 5600 and acting on the second coil member 5350 increases, thereby improving the driving force of the second coil member 5350. have.

Meanwhile, a third elastic member 5790 and a second elastic member 5800 are mounted on the second blade 5300.

The third elastic member 5790 is made of a thin plate of a rectangular shape, the outside is mounted fixed to the base 5400, the inside is mounted to the lower portion of the second blade 5300 to move the second blade 5300 up and down And elastic support in the horizontal direction.

The second elastic member 5800 is formed of a wire spring formed vertically long, one end is fixed to the upper end of the first blade 5200, the other end is fixed to the lower portion of the second blade 5300 second blade The elastic support 5300 is moved in the horizontal direction inside the first blade 5200.

In addition, the second elastic member 5800 is made of an electrically conductive material and is electrically connected to the disconnection of the second coil member 5350.

A total of four second elastic members 5800 are mounted on the lower portion of the second blade 5300, and are arranged symmetrically with respect to the optical axis of the lens.

In addition, the first elastic member 5700 is mounted on the first blade 5200.

The first elastic member 5700 is formed of a thin plate of a rectangular shape, the outer side is coupled to the upper side of the second blade 5300 and the inner side is coupled to the upper side of the first blade 5200.

The outer side and the inner side of the first elastic member 5700 are elastically connected to each other and can be contracted and relaxed in the vertical direction to elastically support the first blade 5200 to be moved up and down inside the second blade 5300.

In addition, the side of the first elastic member 5700 is bent to the side of the second blade 5300 is formed a terminal portion 5750 connected to the external power source, and is connected to the external power source and the first coil member 5250 It performs a function of supplying power to the second coil member (5350).

Specifically, the first elastic member 5700 may be connected to an external power source to provide a conductor layer (not shown) for transferring power to the first coil member 5250 and the second coil member 5350, and an insulating layer surrounding the conductor layer. Is done.

The conductor layer is composed of a plurality of electric circuits for transmitting power to the first coil member 5250 or the second elastic member 5800, and is electrically connected to an external power source.

That is, the conductor layer is directly connected to the disconnection of the first coil member 5250 to transfer external power to the first coil member 5250, and is electrically connected to one end of the second elastic member 5800 to be the second elastic member. Power is supplied to the second coil member 5350 connected to the other end of the 5800.

As such, one end of the second elastic member 5800 that elastically supports the second blade 5300 in the horizontal direction is electrically connected to the conductor layer, and the other end is electrically connected to the disconnection of the second coil member 5350. By supplying external power to the second coil member 5350, both the function of supplying power and the function of elastically supporting the second blade 5300 are performed to reduce the overall number of parts and simplify the structure.

As described above, the first elastic member 5700 mounted on the first blade 5200 to elastically support the first blade 5200 is connected to an external power source so that the first coil member 5250 and the second coil member 5350 are connected to an external power source. It consists of a conductor layer for transmitting power to the power supply) and an insulation layer surrounding the conductor layer, thereby performing both a function of supplying power and a function of elastically supporting the first blade 5200 to reduce the overall number of parts and simplify the structure. Let's do it.

An operation state of the fifth embodiment according to the above configuration will be described.

FIG. 31 is a cross-sectional view of the image capturing apparatus equipped with the shake correction function according to the fifth embodiment as seen in E-E of FIG. 28, and FIGS. 32 and 33 are operational state diagrams of the image capturing apparatus as seen in E-E of FIG.

As shown in FIG. 31, before power is applied to the first coil member 5250 and the second coil member 5350, the first blade 5200 may include the first elastic member 5700 and the third elastic member 5790. It is disposed in a supported state above the base 5400, the first elastic member 5700 maintains a horizontal state.

In addition, the second blade 5300 is disposed in a state of being supported above the base 5400 by the second elastic member 5800 inside the first blade 5200.

In addition, the distance between the first coil member 5250 and the outer surface of the magnet 5500 is symmetrical with respect to the optical axis of the lens, and the gap between the inner surface of the magnet 5500 and the second coil member 5350 is It is symmetrical about the optical axis of the lens.

As shown in FIG. 32, when power is applied to the first coil member 5250, the first blade may be formed by the interaction between the first electromagnetic field generated by the first coil member 5250 and the magnetic field generated by the magnet 5500. 5200 rises.

In this case, the first yoke 5900 induces a magnetic force line generated at the N pole, which is the lower end of the magnet 5500, to return the upper end of the magnet 5500 to the S pole via the first coil member 5250.

As the first blade 5200 rises, the first elastic member 5700 mounted on the upper side of the first blade 5200 relaxes upward while the inner side thereof rises with the first blade 5200.

In addition, the inner side of the first elastic member 5700 is also raised with the second elastic member 5700 connected to the inner side of the first elastic member 5700 and connected by the second elastic member 5800 inside the first blade 5200. While rising together.

In this case, as shown in FIG. 33, since the second blade 5300 equipped with the second coil member 5350 moves only in the vertical direction without moving left and right, the inner surfaces of the second coil member 5350 and the magnet 5500 are moved. The gap between them does not change.

Therefore, when the second blade 5300 moves horizontally, the magnetic field of the magnet 5500 is uniformly conducted to the second coil members 5350 respectively disposed on both sides of the second blade 5300 so that the horizontal of the second blade 5300 is used. Make the movement smooth.

In addition, the first coil member 5250 may move downward when the direction of the applied power is reversed.

Meanwhile, when power is applied to the second coil member 5350 in a state where the first blade 5200 is raised, as shown in FIG. 33, the second blade 5300 is the first blade 5200 inside the first blade 5200. Independently move horizontally to the left.

As the second blade 5300 moves to the left side, the second elastic member 5800 is deformed to the left side, and the second elastic member 5800 elastically supports the second blade 5300 to the right by elastic restoring force.

The second blade 5300 is movable in the right or front and rear directions according to the direction of the current applied to the second coil member 5350.

As such, the magnet 5500 is disposed between the inner surface of the first blade 5200 and the outer surface of the second blade 5300, and the first blade 5200 and the second blade 5300 move up and down together. By moving the second blade 5300 horizontally independently of the first blade 5200, the second coil member 5350 and the magnet (50) mounted on the Shanghai simultaneous second blade 5300 of the first blade 5200 may be provided. The interval of 5500 is kept constant, so that the magnetic field of the magnet 5500 is uniformly conducted to all of the second coil members 5350 mounted on both sides of the second blade 5300 so that the horizontal of the second blade 5300 is uniform. Make the movement smooth.

On the contrary, the horizontal space between the first coil member 5250 and the magnet 5500 is uniformly maintained during horizontal movement of the second blade 5300 to smoothly move the first blade 5200.

The image capturing apparatus equipped with the shake correction function of the present invention is not limited to the above-described embodiment, and may be variously modified and implemented within the range to which the technical idea of the present invention is permitted.

The image capturing apparatus with a shake correction function of the present invention is installed in a small electronic device such as a mobile terminal, and when a subject shakes, the lens is moved in a direction to correct the shake to sharpen the image of the subject. Allows you to shoot.

Claims

A second blade disposed inside the housing and horizontally moved by the magnet and the second coil member; and a second blade disposed inside the second blade and vertically moved by the magnet and the first coil member. In the compact camera device comprising one blade,

A third elastic member having an outer side mounted on the second blade and an inner side mounted on the first blade to elastically support the first blade up and down;

And a power connection member disposed on an upper side of the housing to supply power to the first coil member and the second coil member.

The first coil member is electrically connected to the third elastic member,

The third elastic member protrudes toward the power connection member so that one end is integrally connected to the third elastic member, and the other end is fixedly coupled to the power connection member and contracted and relaxed in the left and right directions when the second blade moves left and right. Protrusions are formed,

And the connection protrusion is electrically connected to the power connection member to transfer power of the power connection member to the first coil member.
The method of claim 1,

The third elastic member,

A first spring disposed on one side of the first blade;

A second spring disposed on the other side of the first blade; It is made, including

The connecting projection,

A first connection protrusion provided at an edge of the first spring;

A second connecting protrusion provided at an edge of the second spring and disposed symmetrically in a diagonal direction with the first connecting protrusion; Imaging device with a shake correction function characterized in that it comprises a.
The method according to claim 1 or 2,

Avoidance grooves are formed in the corner portion of the second blade,

The image pickup device with a shake correction function, characterized in that the avoidance groove is disposed in the state where the connecting projection is spaced apart from the second blade.
The method according to claim 1 or 2,

A second elastic member having one end mounted on the second blade and the other end mounted on the housing to elastically support the second blade in a horizontal direction; It is made, including more

The thickness of the connecting projection is smaller than the thickness of the second elastic member is an image photographing apparatus having a shake correction function, characterized in that to reduce the elastic resistance by the connecting protrusion when the left and right movement of the second blade.
The method of claim 2,

The first spring and the second spring is provided with two each of the first connecting projection and the second connecting projection,

Any one of the two first connecting projections and any one of the two second connecting projections, each of which is electrically connected to the power connection member, characterized in that the image capturing apparatus with a shake correction function.
The method according to claim 1 or 2,

A first elastic member having an outer side mounted to the second blade and the inner side mounted to the first blade to elastically support the first blade up and down; It is made, including more

The first elastic member is disposed above the second blade,

The third elastic member is disposed below the second blade,

And the connection protrusion is connected to the power connection member through the housing through the first elastic member under the second blade and connected to the power connection member.
A housing;

A first blade which is vertically moved inside the housing and has a first coil member mounted on an outside thereof;

A second blade horizontally moved inside the housing and having a second coil member mounted on an outside thereof;

A magnet disposed outside the second coil member; Including but not limited to,

The magnet,

A first magnet;

A second magnet disposed under the first magnet;

A third magnet disposed between the first magnet and the second magnet, the third magnet having one end protruding toward the second coil member; Including,

The first blade is moved by the interaction between the first electromagnetic field generated when the power is applied to the first coil member and the magnetic field generated by the magnet,

And the second blade is horizontally moved by the interaction between the second electromagnetic field generated when the power is applied to the second coil member and the magnetic field generated by the magnet.
The method of claim 7, wherein

The first coil member is wound around the first blade,

The second coil member is wound on the side of the second blade in a direction orthogonal to the winding direction of the first coil member,

The first magnet and the second magnet is separated with the polarity up and down symmetrical around the third magnet,

The third magnet has an image capturing apparatus with a shake correction function, characterized in that the polarity is separated in the left and right moving direction of the second blade.
The method of claim 8,

The polarity of the other end of the third magnet in contact with the lower end of the first magnet and the upper end of the second magnet is opposite to the polarity of the lower end of the first magnet and the upper end of the second magnet,

And the polarity of one end of the third magnet protruding toward the second coil member is opposite to the polarity of the upper end of the first magnet and the lower end of the second magnet.
The method of claim 8,

The second coil member has an image capturing apparatus with a shake correction function, characterized in that the vertical length is smaller than the vertical length of the magnet.
The method according to any one of claims 7 to 10,

The second blade is mounted to be horizontally moved inside the first blade,

The magnet is disposed between the inner surface of the first blade and the outer surface of the second blade is fixed to the housing,

One end of the third magnet is disposed in the center of the second coil member and the other end is disposed in the direction of the first coil member, the image capturing apparatus with a shake correction function.
The method according to any one of claims 7 to 10,

The first blade is mounted to be moved up and down inside the second blade,

Fixedly mounted to the housing at an outside of the magnet and the second blade,

The third magnet has an image capturing apparatus having a shake correction function, one end of which protrudes toward the first coil member through a central portion of the second coil member.
A housing;

A first blade which is vertically moved inside the housing and has a first coil member mounted on an outside thereof;

A second blade horizontally moved inside the housing and having a second coil member mounted on an outside thereof;

A magnet comprising a first magnet disposed outside the second coil member and a second magnet disposed below the first magnet outside the second coil member;

A first yoke mounted on an upper portion of the first magnet or a lower portion of the second magnet; Including but not limited to,

The first blade is moved by the interaction between the first electromagnetic field generated when the power is applied to the first coil member and the magnetic field generated by the magnet,

The second blade is horizontally moved by the interaction between the second electromagnetic field generated when the power is applied to the second coil member and the magnetic field generated by the magnet,

And the first yoke induces a magnetic force line generated at the N pole of the magnet to be returned to the S pole through the first coil member or the second coil member.
The method of claim 13,

And the first yoke protrudes in the direction of the first coil member.
The method of claim 14,

The second blade is mounted to be horizontally moved inside the first blade,

The magnet is disposed between the inner surface of the first blade and the outer surface of the second blade is fixed to the housing,

The first coil member is wound around the first blade,

And the second coil member is wound on the side surface of the second blade in a direction orthogonal to the winding direction of the first coil member.
The method of claim 14,

The first blade is mounted to be moved up and down inside the second blade,

The magnet is fixedly mounted to the housing on the outside of the second blade,

The first coil member is wound around the first blade,

And the second coil member is wound on the side surface of the second blade in a direction orthogonal to the winding direction of the first coil member.
The method according to claim 15 or 16,

A second yoke mounted between the first magnet and the second magnet and inserted into a central portion of the second coil member; Made to include more,

And the first magnet and the second magnet are vertically symmetrical with respect to the second yoke.
The method of claim 17,

The second coil member has an image capturing apparatus, characterized in that the vertical length is smaller than the sum of the vertical length of the magnet and the second yoke.