CN102193162A - Zooming shooting module - Google Patents
Zooming shooting moduleDownload PDFInfo
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- CN102193162A CN102193162ACN201010134505.9ACN201010134505ACN102193162ACN 102193162 ACN102193162 ACN 102193162ACN 201010134505 ACN201010134505 ACN 201010134505ACN 102193162 ACN102193162 ACN 102193162A
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Abstract
Description
Technical field
The present invention is about a kind of camera module, particularly about a kind of varifocal camera module that is used for digital camera or mobile phone camera.
Background technology
In recent years, along with the fast development of various electronic product, people are increasing to the demand of digital commodities, the especially quality strictness especially that camera is taken, and the phase can be with the drop of high-quality picture record life.
Yet become known for the varifocal phtographic lens of digital camera or mobile phone camera, the overwhelming majority is a digital zoom, even support the part optical zoom function only, in operation, only picture is amplified and show, or after taking with maximum pixel earlier, the picture of acquisition and former pixel same pixel again, so phtographic lens can't move on optical axis direction, picture amplifies the captured photo pixel that goes out in back compares with the photo pixel of not amplifying picture, is actually to diminish; Yet optical focal distance setting system but can utilize camera lens moving on optical axis to adjust focal length and light refraction angle, even so image is amplified, still can shoot and the script photo pixel that amplified images is not identical, also therefore digital zoom system also is not so good as optical focal distance setting system through the photography quality behind the zoom.For instance, if digital zoom camera chain, the photo of 8,000,000 pixels will can be shot before the picture amplification, it may only be 2,000,000 pixels that picture is amplified the captured photo that goes out in back, yet, if the optical zoom camera chain will can be shot the photo of 8,000,000 pixels before the image amplification, then utilizing optical zoom to amplify the captured photo that goes out in back equally is the photo of 8,000,000 pixels, can't influence the photograph quality of shooting because of Zoom In/Out.
Because the digital zoom function deficiency that provides of known technology, demand providing a kind of camera module of tool optical profile type zoom function of improvement urgently, in the hope of promoting the shooting quality of camera module.
Summary of the invention
The invention provides a kind of varifocal camera module, at least comprise a focus lens group, a zoom lens group, a focusing driving element, a zoom drive element, a Photosensing Units and a vibrations sensing element, wherein: this focus lens group comprises an eyeglass at least, and the focus function of an optical system can be provided; This zoom lens group comprises an eyeglass at least, and the zoom function of an optical system can be provided; This focusing driving element comprises one first movable piece, one first fixture and one first electric unit at least, and this first movable piece is to organize mutually in optical axis place hollow and with this focus lens group to establish; This first fixture is for ccontaining this first movable piece in optical axis place hollow; The right position that this first electric unit is positioned at this varifocal camera module is sentenced and can be driven this movable piece and carry out an axial displacement and at least one axial inclination; This zoom drive element comprises one second movable piece, one second fixture and one second electric unit at least, and this second movable piece is to organize mutually in optical axis place hollow and with this zoom lens group to establish; This second fixture is for ccontaining this second movable piece in optical axis place hollow; The right position that this second electric unit is positioned at this varifocal camera module is sentenced and can be driven this second movable piece and carry out an axial displacement at least; This Photosensing Units is positioned at the imaging end of this varifocal camera module; And this vibrations sensing component position is big or small to reaching in order to the sense shock source side in the place, a right position of this varifocal camera module.
On the other hand, this focusing driving element and this zoom drive element are used interchangeably, and at least one axial inclination compensation that first electric unit of this focusing driving element is provided also can be provided by second electric unit of this zoom drive element.
The present invention provides a kind of varifocal camera module in addition, at least comprise a focus lens group, a zoom lens group, a focusing driving element, a zoom drive element, a Photosensing Units and a vibrations sensing element, wherein: this focus lens group comprises an eyeglass at least, and the focus function of an optical system can be provided;
This zoom lens group comprises an eyeglass at least, and the zoom function of an optical system can be provided; This focusing driving element comprises one first movable piece, one first fixture and one first electric unit at least, and this first movable piece is provided with three place's coil storage tanks at least and organizes mutually in optical axis place hollow and this focus lens group and establishes; This first fixture is provided with three place's magnet storage tanks at least and supplies ccontaining this first movable piece in optical axis place hollow, and corresponding this coil storage tank of each this magnet storage tank; This first electric unit comprises three groups of magnet and three groups of coils at least, wherein the pole orientation of each this magnet and optical axis are perpendicular and be arranged at this magnet storage tank, the roll of each this coil is to perpendicular with optical axis and be arranged at this coil storage tank, and this first electric unit can drive this first movable piece and carry out an axial displacement and at least one axial inclination; This zoom drive element comprises one second movable piece, one second fixture and one second electric unit at least, and this second movable piece is to organize mutually in optical axis place hollow and with this zoom lens group to establish; This second fixture is for ccontaining this second movable piece in optical axis place hollow; The right position that this second electric unit is positioned at this varifocal camera module is sentenced and can be driven this second movable piece and carry out an axial displacement at least; This Photosensing Units is positioned at the imaging end of this varifocal camera module; And this vibrations sensing component position is big or small to reaching in order to the sense shock source side in the place, a right position of this varifocal camera module.
On the other hand, this focusing driving element and this zoom drive element are used interchangeably, and at least one axial inclination compensation that first electric unit of this focusing driving element is provided also can be provided by second electric unit of this zoom drive element.
According to above-mentioned, the invention provides an axially displaceable camera lens to carry out zoom, and utilize another camera lens that axial displacement and pour angle compensation can be provided to focus, to solve the problem that causes image fog because of vibrations simultaneously, provide a high-quality varifocal camera module by this.Moreover the function of camera module pour angle compensation of the present invention also can be provided by zoom lens.
Description of drawings
Fig. 1 is the diagrammatic cross-section of first embodiment of the varifocal camera module of the present invention.
Fig. 2 is the diagrammatic cross-section of second embodiment of the varifocal camera module of the present invention.
Fig. 3 is the diagrammatic cross-section of the 3rd embodiment of the varifocal camera module of the present invention.
Fig. 4 is the diagrammatic cross-section of the 4th embodiment of the varifocal camera module of the present invention.
Fig. 5 is the magnetic circuit system perspective view of the varifocal camera module of third embodiment of the invention.
Fig. 6 is that one of magnetic circuit system shown in Figure 5 changes routine perspective view.
Drawing reference numeral
10,20,30,40 optical axises
100,200,300,400 varifocal camera modules
110,210,310,410 focus lens group
111,211,311,411 eyeglasses
120,220,320,420 zoom lens group
121,221,321,421 eyeglasses
130,230,330,430 Photosensing Units
140,240,340,440 vibrations sensing elements
112,212,312,412 first movable pieces
113,213,313,413 first fixtures
122,222,322,422 second movable pieces
123,223,323,423 second fixtures
114,214,414 first electric units
124,224,324 second electric units
314,424 magnet
315,425 coils
511,512,513 magnet
521,522,523 coils
611,612,613,614 magnet
621,622,623,624 coils
Embodiment
Varifocal camera module of the present invention will cooperate appended accompanying drawing to be described in detail by following specific embodiment.
See also Fig. 1, show the diagrammatic cross-section of first embodiment of the varifocal camera module of the present invention.In this specific embodiment, of the present invention one varifocal camera module 100 comprises a focus lens group 110, a zoom lens group 120, a focusing driving element, a zoom drive element, a Photosensing Units 130 and a vibrations sensing element 140 at least; Wherein this focus lens group 110 comprises at least one eyeglass 111, and the focus function of an optical system can be provided; This zoom lens group 120 comprises at least one eyeglass 121, and the zoom function of an optical system can be provided.This focusing driving element comprises one first movable piece 112, one first fixture 113 and one first electric unit 114 at least.This first movable piece 112 is to be a camera lens accommodation space in optical axis place hollow, establishes to organize mutually with this focus lens group 110.In addition, this focus lens group 110 also can be one-body molded with this first movable piece 112, and the eyeglass of this focus lens group 110 directly is mounted on these first movable piece, 112 inside (scheming not shown).This first fixture 113 is for ccontaining this first movable piece 112 in optical axis place hollow, this first electric unit 114 is mounted on the madial wall of this first fixture 113 with respect to this first movable piece 112, perhaps also can be arranged at this varifocal camera module 100 other places, right position, carry out an axial displacement can drive this movable piece 112.This zoom drive element comprises one second movable piece 122, one second fixture 123 and one second electric unit 124 at least.This second movable piece 122 is to be a camera lens accommodation space in optical axis place hollow, establishes to organize mutually with this zoom lens group 120.In addition, this zoom lens group 120 also can be one-body molded with this second movable piece 122, and the eyeglass of this zoom lens group 120 directly is mounted on these second movable piece, 122 inside (scheming not shown).This second fixture 123 be in optical axis place hollow for ccontaining this second movable piece 122, and this second fixture 123 is mounted on this first fixture, 113 rears, so that this focus lens group 110 is positioned at the thing end of this zoom lens group 120.This second electric unit 124 is mounted on the madial wall of this second fixture 123 with respect to this second movable piece 122, perhaps also can be arranged at this varifocal camera module 100 other places, right position, carry out an axial displacement and at least one axial inclination can drive this second movable piece 122.This Photosensing Units 130 is positioned at the imaging end of this varifocal camera module 100, and this vibrations sensing element 140 is positioned at these Photosensing Units 130 rears near the imaging end, perhaps also can be arranged at this varifocal camera module 100 other places, right position, big or small in order to the sense shock source side to reaching.
This vibrations sensing element 140 can for example be gyroscope or other accelerometer, the vibroseis direction that senses and size are for example fed back to a calculation process control circuit (scheming not shown) of this varifocal camera module 100 by this vibrations sensing element 140, in optical axis 10 on produce a displacement to carry out zoom action through driving this second electric unit 124 with suitable size of current and different mode after the computing to drive this second movable piece 122 by this calculation process control circuit, perhaps carry out at least one axial inclination simultaneously, for example rock the angular deflection that causes because of the user is hand-held to compensate this varifocal camera module 100.This first electric unit 114 moves to carry out the focusing action of this varifocal camera module 100 along optical axis 10 in order to drive this first movable piece 112.The driving element that this first electric unit 114 and this second electric unit 124 can utilize piezoelectric structure, memorial alloy structure or step motor etc. to be formed is realized.
See also Fig. 2, show the diagrammatic cross-section of second embodiment of the varifocal camera module of the present invention.In this specific embodiment, of the present invention one varifocal camera module 200 is to provide at least one axial inclination compensation by the focusing driving element.This varifocal camera module 200 comprises a focus lens group 210, a zoom lens group 220, a focusing driving element, a zoom drive element, a Photosensing Units 230 and a vibrations sensing element 240 at least.This focus lens group 210 comprises at least one eyeglass 211, and the zoom function of an optical system can be provided.This focusing driving element comprises one first movable piece 212, one first fixture 213 and one first electric unit 214 at least.This first movable piece 212 is to be a camera lens accommodation space in optical axis place hollow, establishes to organize mutually with this focus lens group 210.In addition, this focus lens group 210 also can be one-body molded with this first movable piece 212, and the eyeglass of this focus lens group 210 directly is mounted on these first movable piece, 212 inside (scheming not shown).This first fixture 213 is for ccontaining this first movable piece 212 in optical axis place hollow, this first electric unit 214 is mounted on the madial wall of this first fixture 213 with respect to this first movable piece 212, perhaps also can be arranged at this varifocal camera module 200 other places, right position, carry out an axial displacement and at least one axial inclination can drive this movable piece 212.This zoom drive element comprises one second movable piece 222, one second fixture 223 and one second electric unit 224 at least.This second movable piece 222 is to be a camera lens accommodation space in optical axis place hollow, establishes to organize mutually with this zoom lens group 220.In addition, this zoom lens group 220 also can be one-body molded with this second movable piece 222, and the eyeglass of this zoom lens group 220 directly is mounted on these second movable piece, 222 inside (scheming not shown).This second fixture 223 be in optical axis place hollow for ccontaining this second movable piece 222, and this second fixture 223 is mounted on this first fixture, 213 the place aheads, so that this zoom lens group 220 is positioned at the thing end of this focus lens group 210.This second electric unit 224 is mounted on the madial wall of this second fixture 223 with respect to this second movable piece 222, perhaps also can be arranged at this varifocal camera module 200 other places, right position, carries out an axial displacement can drive this second movable piece 222.This Photosensing Units 230 is positioned at the imaging end of this varifocal camera module 200, and this vibrations sensing element 240 is positioned at these Photosensing Units 230 rears near the imaging end, perhaps also can be arranged at this varifocal camera module 200 other places, right position, big or small in order to the sense shock source side to reaching.
This second electric unit 224 moves to carry out the zoom action of this varifocal camera module 200 along optical axis 20 in order to drive this second movable piece 222.This vibrations sensing element 240 can for example be gyroscope or other accelerometer, the vibroseis direction that senses and size are for example fed back to a calculation process control circuit (scheming not shown) of this varifocal camera module 200 by this vibrations sensing element 240, in optical axis 20 on produce a displacement to carry out focusing action through driving this first electric unit 214 with suitable size of current and different mode after the computing to drive this first movable piece 212 by this calculation process control circuit, perhaps carry out at least one axial inclination simultaneously, for example rock the angular deflection that causes because of the user is hand-held to compensate this varifocal camera module 200.The driving element that this first electric unit 214 and this second electric unit 224 can utilize piezoelectric structure, memorial alloy structure or step motor etc. to be formed is realized.
See also Fig. 3, show the diagrammatic cross-section of the 3rd embodiment of the varifocal camera module of the present invention.In this specific embodiment, of the present invention onevarifocal camera module 300 is to utilize a coil rotary type magnetic circuit system to drive the focusing driving element so that at least one axial inclination compensation to be provided.Thisvarifocal camera module 300 comprises afocus lens group 310, azoom lens group 320, a focusing driving element, a zoom drive element, aPhotosensing Units 330 and avibrations sensing element 340 at least.Thisfocus lens group 310 comprises aneyeglass 311 at least, and the focus function of an optical system can be provided.In addition, thisfocus lens group 310 also can be one-body molded with this firstmovable piece 312, and the eyeglass of thisfocus lens group 310 directly is mounted on these first movable piece, 312 inside (scheming not shown).Thiszoom lens group 320 comprises aneyeglass 321 at least, and the zoom function of an optical system can be provided.In addition, thiszoom lens group 320 also can be one-body molded with this secondmovable piece 320, and the eyeglass of thiszoom lens group 320 directly is mounted on these second movable piece, 322 inside (scheming not shown).
This focusing driving element comprises one firstmovable piece 312, onefirst fixture 313 and one first electric unit at least.This firstmovable piece 312 is provided with three place's coil storage tanks at least and is evenly distributed in around this firstmovable piece 312, and this firstmovable piece 312 is established to organize mutually with thisfocus lens group 310 in optical axis place hollow.Thisfirst fixture 313 is provided with three place's magnet storage tanks at least and supplies ccontaining this firstmovable piece 312 in optical axis place hollow, and corresponding this coil storage tank of each this magnet storage tank.This first electric unit comprises three groups ofmagnet 314 and three groups of coils 315 at least, wherein the pole orientation of each thismagnet 314 andoptical axis 30 are perpendicular and be arranged at this magnet storage tank, the roll of each this coil 315 is to perpendicular withoptical axis 30 and be arranged at this coil storage tank, and this first electric unit can drive this firstmovable piece 312 and carry out an axial displacement and at least one axial inclination.This zoom drive element comprises one secondmovable piece 322, onesecond fixture 323 and one secondelectric unit 324 at least.This secondmovable piece 322 is to organize mutually in optical axis place hollow and with thiszoom lens group 320 to establish.Thissecond fixture 323 be in optical axis place hollow for ccontaining this secondmovable piece 322, and thissecond fixture 323 is mounted on this first fixture, 313 rears, so that thisfocus lens group 310 is positioned at the thing end of this zoom lens group 320.This secondelectric unit 324 is mounted on the madial wall of thissecond fixture 323 with respect to this secondmovable piece 322, perhaps also can be arranged at thisvarifocal camera module 300 other places, right position, carries out an axial displacement can drive this second movable piece 322.The driving element that this secondelectric unit 324 for example can piezoelectric structure, memorial alloy structure or step motor etc. are formed is realized.ThisPhotosensing Units 330 is positioned at the imaging end of thisvarifocal camera module 300, and thisvibrations sensing element 340 is positioned at thesePhotosensing Units 330 rears near the imaging end, perhaps also can be arranged at thisvarifocal camera module 300 other places, right position, big or small in order to the sense shock source side to reaching.
See also Fig. 5, show the coil rotary type magnetic circuit system perspective view of thevarifocal camera module 300 of third embodiment of the invention.This magnetic circuit system comprises three magnet 511,512,513 (N among the figure represents the arctic of magnetite, S represents the South Pole of magnetite) and three coils 521,522,523, to constitute three groups of magnet coil groups, and it is as above-mentioned, three groups of magnet coil groups of this magnetic circuit system are average and are symmetrically distributed in around this firstmovable piece 312, wherein first group of magnet coil group ismagnet 511 andcoil 521, second group of magnet coil group ismagnet 512 andcoil 522, the 3rd group of magnet coil group ismagnet 513 andcoil 523, wherein said these magnet 511,512,513 organize mutually with this magnet storage tank of thisfirst fixture 313 respectively and establish, and described these coils 521,522,523 organize mutually with this coil storage tank of this firstmovable piece 312 respectively and establish.In each group magnet coil group, the pole orientation of magnet is that two pole orientation are opposite and perpendicular with the sense of displacement of coil up and down, and the roll of coil is to vertical with its sense of displacement.For example, in second group of magnet coil group, to be Y direction and Lower Half pole orientation be-Y direction to thesemagnet 512 first half pole orientation, and the roll of thiscoil 522 to be Y-axis to, that is when thiscoil 522 feeds an electric current, for example but do not limit, the direction of current of the first half of thiscoil 522 is a directions X, the direction of current of the Lower Half of thiscoil 522 is-directions X, then the first half of thiscoil 522 or Lower Half all are subjected to the acting force (Lorentz force that direction is the Z direction, Lorentz Force), make that the sense of displacement of thiscoil 522 is the Z direction.Because thiscoil 522 and this firstmovable piece 312 group are mutually established, this acting force and then promote this firstmovable piece 312.
Above-mentioned magnetic circuit system makes coil and magnet produce an acting force, and promotes this firstmovable piece 312 by the power drives coil.When described these magnet coil groups drove with same power supplies simultaneously, this firstmovable piece 312 can be done axial displacement.For example, when aforementioned three groups of magnet coil groups drove with same power supplies simultaneously, described these coils 521,522 and 523 were subjected to the acting force that direction is the identical size of Z direction, made this firstmovable piece 312 axially produce a displacement at Z.When power supply only drives single coil groups, this firstmovable piece 312 can be done an axial inclination angle, for example, and when power supply only drives thiscoil 522, thiscoil 522 is subjected to the acting force that direction is the Z direction, makes this firstmovable piece 312 produce an inclination angle at X axis.When power drives twisted pair line circle, this firstmovable piece 312 axial inclination angle of can writing in reply then, for example, when thiscoil 522 of power drives and thiscoil 523, thiscoil 522 is subjected to the acting force that direction is the Z direction with thiscoil 523, make this firstmovable piece 312 simultaneously in X axis and Y-axis to generation one inclination angle.When three groups of coils drive with different electrical power respectively, this firstmovable piece 312 can be done an axial displacement and a multiple axial inclination angle, for example, when this coil 521,522 and 523 of power drives, and by thiscoil coil 521, this coil 521,522 and 523 all is subjected to the acting force that direction is the Z direction, and the acting force that the acting force that thiscoil 522 and thiscoil 523 are subjected to is subjected to greater than thiscoil 521, make this firstmovable piece 312 axially produce a displacement at Z, and simultaneously in X axis and Y-axis to generation one inclination angle.According to the size and the direction of electric current, and the selection of the coil of desire feeding electric current, can make this firstmovable piece 312 have at least one axial displacement and at least one axial inclination.By above-mentioned different coil drive pattern, can reach the image fog phenomenon that automatic focusing and compensation cause because of hand-held vibrations work.
Join Fig. 3 again, in other words, thisvibrations sensing element 340 is vibroseis direction and the big or small calculation process control circuits (scheming not shown) that feed back to thisvarifocal camera module 300 that will sense, after computing, drive this three groups of coils 315 by this calculation process control circuit, make these three groups of coils 315 and three groups ofmagnet 314 produce an acting force and promote this firstmovable piece 312 and onoptical axis 30, produce a displacement or at least one axial inclination of while with suitable size of current and different mode.
Above-mentioned magnetic circuit system is a coil rotary type system, also can be embodied as magnet rotary type system, also be about to the magnet of each group magnet coil group among Fig. 5 and the location swap of coil, for example, in first group of magnet coil group, thismagnet 511 and thesecoil 521 location swaps are established thismagnet 511 and these first movable piece, 312 mutual groups, and the coil storage tank of thiscoil 521 and this first fixture 313 (that is, above-mentioned magnet storage tank) mutually group establish.Camera module 300 of the present invention is organized thisfirst fixture 313 of establishing mutually with coil rotary type or magnet rotary type magnetic circuit system and can be used the magnetic conductivity material to make, to increase magnetic efficiency.
Seeing also Fig. 6, is that of the demonstration coil rotary type magnetic circuit system that third embodiment of the invention adopted changes example.Coil rotary type magnetic circuit system shown in Figure 6 comprises four magnet 611,612,613,614 (N among the figure represents the arctic of magnetite, S represents the South Pole of magnetite) and four coils 621,622,623,624, to constitute four groups of magnet coil groups, and the magnet coil group of this magnetic circuit system is average and is symmetrically distributed in around this firstmovable piece 312, wherein first group of magnet coil group ismagnet 611 andcoil 621, second group of magnet coil group ismagnet 612 andcoil 622, the 3rd group of magnet coil group ismagnet 613 andcoil 623, the 4th group of magnet coil group ismagnet 614 andcoil 624, described these magnet 611,612,613,614 organize mutually with this magnet storage tank of thisfirst fixture 313 respectively and establish described these coils 621,622,623,624 organize mutually with a coil storage tank of this firstmovable piece 312 respectively and establish.The start principle of this magnetic circuit system is identical with the start principle of three groups of magnet coil groups of Fig. 5, all can provide an axial displacement and at least one axial inclination.The magnetic circuit system of Fig. 6 is a coil rotary type system, also can be embodied as magnet rotary type system, also be about to the magnet of each group magnet coil group among Fig. 6 and the location swap of coil, for example, in first group of magnet coil group, thismagnet 611 and thesecoil 621 location swaps are established thismagnet 612 and these first movable piece, 312 mutual groups, and the coil storage tank of thiscoil 621 and this first fixture 313 (that is, above-mentioned magnet storage tank) mutually group establish.
See also Fig. 4, show the diagrammatic cross-section of the 4th embodiment of the varifocal camera module of the present invention.In this specific embodiment, of the present invention onevarifocal camera module 400 comprises afocus lens group 410, azoom lens group 420, a focusing driving element, a zoom drive element, aPhotosensing Units 430 and a vibrations sensing element 440.Thisfocus lens group 410 comprises aneyeglass 411 at least, and the focus function of an optical system can be provided.In addition, thisfocus lens group 410 also can be one-body molded with this firstmovable piece 412, and the eyeglass of thisfocus lens group 410 directly is mounted on these first movable piece, 412 inside (scheming not shown).Thiszoom lens group 420 comprises aneyeglass 421 at least, and the zoom function of an optical system can be provided.In addition, thiszoom lens group 420 also can be one-body molded with this secondmovable piece 420, and the eyeglass of thiszoom lens group 420 directly is mounted on these second movable piece, 422 inside (scheming not shown).
This focusing driving element comprises one firstmovable piece 412, onefirst fixture 413 and one firstelectric unit 414 at least.This firstmovable piece 412 is to be a camera lens accommodation space in optical axis place hollow, establishes to organize mutually with this focus lens group 410.In addition, thisfocus lens group 410 also can be one-body molded with this firstmovable piece 412, and the eyeglass of thisfocus lens group 410 directly is mounted on these first movable piece, 412 inside (scheming not shown).Thisfirst fixture 413 is for ccontaining this firstmovable piece 412 in optical axis place hollow, this firstelectric unit 414 is mounted on the madial wall of thisfirst fixture 413 with respect to this firstmovable piece 412, perhaps also can be arranged at thisvarifocal camera module 400 other places, right position, carry out an axial displacement can drive this movable piece 412.The driving element that this firstelectric unit 414 for example can piezoelectric structure, memorial alloy structure or step motor etc. are formed is realized.This zoom drive element comprises one secondmovable piece 422, onesecond fixture 423 and one second electric unit at least.This secondmovable piece 422 be provided with at least three place's coil storage tanks be evenly distributed in around this secondmovable piece 422 and be in optical axis place hollow with thiszoom lens group 420 mutually group establish.Thissecond fixture 423 is provided with three place's magnet storage tanks at least and supplies ccontaining this secondmovable piece 420 in optical axis place hollow, and corresponding this coil storage tank of each this magnet storage tank.Thissecond fixture 423 is mounted on this first fixture, 413 rears, so that thisfocus lens group 410 is positioned at the thing end of this zoom lens group 420.This second electric unit comprises three groups ofmagnet 424 and three groups of coils 425 at least, wherein the pole orientation of each thismagnet 424 andoptical axis 40 are perpendicular and be arranged at this magnet storage tank, the roll of each this coil 425 is to perpendicular withoptical axis 40 and be arranged at this coil storage tank, and this second electric unit can drive this secondmovable piece 422 and carry out an axial displacement and at least one axial inclination.Similarly, thisvarifocal camera module 400 also adopts coil rotary type magnetic circuit system shown in Figure 5 to drive thiszoom lens group 420 to carry out zoom action or carry out at least one axial inclination simultaneously.In addition, thisvarifocal camera module 400 also can adopt coil rotary type magnetic circuit system shown in Figure 6.ThisPhotosensing Units 430 is positioned at the imaging end of thisvarifocal camera module 400, and thisvibrations sensing element 440 is positioned at thesePhotosensing Units 430 rears near the imaging end, perhaps also can be arranged at thisvarifocal camera module 400 other places, right position, big or small in order to the sense shock source side to reaching.
The magnetic circuit system that the 4th embodiment shown in Figure 4 adopts is a coil rotary type system, also can be embodied as magnet rotary type system, also is about to the magnet of each group magnet coil group among Fig. 4 and the location swap of coil, promptly as above-mentioned.Camera module 400 of the present invention is organized thissecond fixture 423 of establishing mutually with coil rotary type or magnet rotary type magnetic circuit system and can be used the magnetic conductivity material to make, to increase magnetic efficiency.
In the above embodiment of the present invention, the relative position of focus lens assembly and zoom lens assembly is only as exemplary, be not in order to limit, focusing driving element and focus lens group can be mounted on the thing end of zoom drive element, and zoom drive element and zoom lens group also can be mounted on the thing end of focusing driving element, on the other hand, magnet coil group number is also non-in order to limit among the embodiment, only as exemplary, and coil is corresponding with magnet in the magnet coil group, and is evenly distributed in around the movable piece.
After describing specific embodiments of the invention in detail, those skilled in the art can clearly understand, and can carry out various variations and change not breaking away under claim and the spirit, and the present invention also is not subject to the embodiment of the embodiment of instructions.
Claims (16)
1. a varifocal camera module is characterized in that, described varifocal camera module comprises a focus lens group, a zoom lens group, a focusing driving element, a zoom drive element, a Photosensing Units and a vibrations sensing element at least, wherein:
Described focus lens group comprises an eyeglass at least, and the focus function of an optical system can be provided;
Described zoom lens group comprises an eyeglass at least, and the zoom function of an optical system can be provided;
Described focusing driving element comprises one first movable piece, one first fixture and one first electric unit at least, and described first movable piece is to organize mutually in optical axis place hollow and with described focus lens group to establish; Described first fixture is for ccontaining described first movable piece in optical axis place hollow; The right position that described first electric unit is positioned at described varifocal camera module is sentenced and can be driven described movable piece and carry out an axial displacement and at least one axial inclination;
Described zoom drive element comprises one second movable piece, one second fixture and one second electric unit at least, and described second movable piece is to organize mutually in optical axis place hollow and with described zoom lens group to establish; Described second fixture is for ccontaining described second movable piece in optical axis place hollow; The right position that described second electric unit is positioned at described varifocal camera module is sentenced and can be driven described second movable piece and carry out an axial displacement at least;
Described Photosensing Units is positioned at the imaging end of described varifocal camera module; And
Described vibrations sensing component position is big or small to reaching in order to the sense shock source side in the place, a right position of described varifocal camera module.
2. varifocal camera module as claimed in claim 1 is characterized in that, the eyeglass of described focus lens group directly is mounted on the described first movable piece inside of described focusing driving element.
3. varifocal camera module as claimed in claim 1 is characterized in that, the eyeglass of described zoom lens group directly is mounted on the described second movable piece inside of described zoom drive element.
4. varifocal camera module as claimed in claim 1 is characterized in that, described focusing driving element is mounted on the thing end of described zoom drive element.
5. varifocal camera module as claimed in claim 1 is characterized in that, described zoom drive element is mounted on the thing end of described focusing driving element.
6. varifocal camera module as claimed in claim 1 is characterized in that, described focusing driving element and described zoom drive element are used interchangeably.
7. a varifocal camera module is characterized in that, described varifocal camera module comprises a focus lens group, a zoom lens group, a focusing driving element, a zoom drive element, a Photosensing Units and a vibrations sensing element at least, wherein:
Described focus lens group comprises an eyeglass at least, and the focus function of an optical system can be provided;
Described zoom lens group comprises an eyeglass at least, and the zoom function of an optical system can be provided;
Described focusing driving element comprises one first movable piece, one first fixture and one first electric unit at least, and described first movable piece is provided with three place's coil storage tanks at least and organizes mutually in optical axis place hollow and described focus lens group and establishes; Described first fixture is provided with three place's magnet storage tanks at least and supplies ccontaining described first movable piece in optical axis place hollow, and the corresponding described coil storage tank of each described magnet storage tank; Described first electric unit comprises three groups of magnet and three groups of coils at least, wherein the pole orientation of each described magnet and optical axis are perpendicular and be arranged at a described magnet storage tank, the roll of each described coil is to perpendicular with optical axis and be arranged at a described coil storage tank, and described first electric unit can drive described first movable piece and carry out an axial displacement and at least one axial inclination;
Described zoom drive element comprises one second movable piece, one second fixture and one second electric unit at least, and described second movable piece is to organize mutually in optical axis place hollow and with described zoom lens group to establish; Described second fixture is for ccontaining described second movable piece in optical axis place hollow; The right position that described second electric unit is positioned at described varifocal camera module is sentenced and can be driven described second movable piece and carry out an axial displacement at least;
Described Photosensing Units is positioned at the imaging end of described varifocal camera module; And
Described vibrations sensing component position is big or small to reaching in order to the sense shock source side in the place, a right position of described varifocal camera module.
8. varifocal camera module as claimed in claim 7 is characterized in that, the eyeglass of described focus lens group directly is mounted on the described first movable piece inside of described focusing driving element.
9. varifocal camera module as claimed in claim 7 is characterized in that, the eyeglass of described zoom lens group directly is mounted on the described second movable piece inside of described zoom drive element.
10. varifocal camera module as claimed in claim 7 is characterized in that, described focusing driving element is mounted on the thing end of described zoom drive element.
11. varifocal camera module as claimed in claim 7 is characterized in that, described zoom drive element is mounted on the thing end of described focusing driving element.
12. a kind of varifocal camera module as claimed in claim 7 is characterized in that the magnet of described focusing driving element and coil are four groups.
13. a kind of varifocal camera module as claimed in claim 7 is characterized in that, the pole orientation of the magnet of described focusing driving element is that the two poles of the earth are different up and down.
14. a kind of varifocal camera module as claimed in claim 7 is characterized in that described coil is evenly distributed in around described first movable piece.
15. varifocal camera module as claimed in claim 7 is characterized in that, described focusing driving element can be the magnet rotational structure.
16. varifocal camera module as claimed in claim 7 is characterized in that, described focusing driving element and described zoom drive element are used interchangeably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010134505.9ACN102193162A (en) | 2010-03-16 | 2010-03-16 | Zooming shooting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010134505.9ACN102193162A (en) | 2010-03-16 | 2010-03-16 | Zooming shooting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102193162Atrue CN102193162A (en) | 2011-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010134505.9APendingCN102193162A (en) | 2010-03-16 | 2010-03-16 | Zooming shooting module |
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| CN (1) | CN102193162A (en) |
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