CN103293631B - Zooming and focusing mechanism and image acquisition device thereof - Google Patents
Zooming and focusing mechanism and image acquisition device thereof Download PDFInfo
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- CN103293631B CN103293631B CN201210052048.8A CN201210052048A CN103293631B CN 103293631 B CN103293631 B CN 103293631B CN 201210052048 A CN201210052048 A CN 201210052048A CN 103293631 B CN103293631 B CN 103293631B
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Abstract
The invention discloses a zooming and focusing mechanism and an image acquisition device thereof. The zooming and focusing mechanism comprises a drive module and two lens bracket structures. The drive module comprises a zooming driving shaft, a focusing driving shaft, wherein a first driving plate and a second driving plate are arranged on the zooming driving shaft and the focusing driving shaft respectively in a bolted mode. The first driving plate is provided with a first adjusting assembly, and the second driving plate is provided with a second adjusting assembly. Each lens bracket structure comprises a zooming lens bracket, a focusing lens bracket and a plurality of guiding rods. The two zooming lens brackets are respectively provided with a first bearing part. The first bearing parts are close to the two sides of the first driving plate respectively in a bearing mode. The two focusing lens brackets are respectively provided with a second bearing part. The second bearing parts are close to the two sides of the first driving plate respectively in a bearing mode. When the zooming driving shaft and the focusing driving shaft rotate, the two zooming lens brackets and the two focusing lens brackets axially move along the guiding rods so that carry out zooming or focusing operation can be carried out.
Description
Technical field
The present invention relates to a kind of zoom and Focusing mechanism and image capture unit thereof, particularly a kind of Three-dimensional image acquiring device utilizes two driver elements to carry out the zoom of zoom and focusing and Focusing mechanism and image capture unit thereof synchronously to drive two varifocal mirror groups and two focusing mirror groups.
Background technology
At camera or the mobile phone with camera function, by pick-up lens, personage or landscape are taken, because photosensory assembly is only two dimensional surface (2D) image for the image after object capture.And in today that modern science and technology improves gradually, the display of 3 D stereo (3D) image can be shown, and day by day general and cheap, be Future Consumption electronic product necessary requirement to make the image capture unit of fechtable 3 D stereoscopic image.
Current most image capture unit, as camera or video camera etc., can only take the image of two dimensional surface.Although there are many methods by two dimensional surface image through image reconstruction, and the stereopsis of 3 D stereo can be formed at present; But the stereopsis formed via image reconstruction, its sense of stereoscopic vision is poor.Therefore user expects the stereopsis that can be obtained personage and landscape by camera fast mostly.In known techniques, the camera of fechtable stereopsis adopts two mirror groups mostly, re-establishes body vision with parallax method, and this Method compare is easily formed, also easy staple commodities.
The camera of a part of use two mirror groups, it has zoom and focus function, and it mostly arranges two driver elements respectively in each mirror group when zoom and focusing, carries out zoom or focusing to drive mirror group.But each mirror group arranges two driver elements respectively, at camera generally, be and employ four driver elements, it occupies the configuration space of camera major part, to make product not easily miniaturization, slimming, with product day by day miniaturization, slimming now, real is unfavorable.Moreover reach same zoom for controlling two mirror groups respectively, it need have comparatively precision mechanism precision or more accurate control circui, and this also makes the manufacturing cost of product relatively promote much.
The camera of use two mirror groups of another part, then for using two mirror groups of fixing burnt section, to saving the use of driver element, to reach the object that product miniaturization, slimming or cost reduce.But, user in time using the camera of fixing burnt section, usually because of composition change or choose, and need obtain mobile step or flexible hand, to adjust its angular field of view to reach the change of composition, this situation is user, is one to perplex greatly.
In view of this, the present inventor thinks and designs a kind of zoom and Focusing mechanism and image capture unit thereof, is improved with the disappearance for prior art, and then the enforcement in enhancement industry utilizes.
Summary of the invention
Because the problem of above-mentioned known techniques, the object of the present invention is to provide a kind of zoom and Focusing mechanism and image capture unit thereof, to solve the too high problem of the stereo photographic device not easily miniaturization of current known techniques, slimming or material cost.
According to object of the present invention, propose a kind of zoom and Focusing mechanism, it comprises: a driver module and two Mirror frame structures.Driver module comprises: a zoom drive axle, one first drive plate, one first adjustment assembly, a focusing driving shaft, one second drive plate and one second adjustment assembly.Zoom drive axle is a cylinder body of rod with helicitic texture with focusing driving shaft.First drive plate has one first screw, and by the first screw actively bolt be located at zoom drive axle.Be arranged at the first drive plate first adjustment component activity, and the side of deflection the first drive plate.Second drive plate has one second screw, and by the second screw actively bolt be located at focusing driving shaft.Be arranged at the second drive plate second adjustment component activity, and the side of deflection the second drive plate.Two Mirror frame structures are arranged at the both sides of driver module respectively, and it comprises: two zoom mirror holders, two focusing mirror holders and several guide rods.Two zoom mirror holders have at least one first through hole respectively, and extend one first respectively to the first drive plate and hold support; Each first holds the both sides that support is bearing on the first drive plate respectively.Two focusing mirror holders have at least one second through hole respectively, and extend one second respectively to the second drive plate and hold support; Each second holds the both sides that support is bearing on described second drive plate respectively.Several guide rods are a cylinder body of rod, and are arranged at least one first through hole and at least one the second through hole respectively.When zoom drive axle rotates with focusing driving shaft, the first drive plate and the second drive plate do axial displacement, and support each first respectively and hold support and each second and hold support, make two zoom mirror holders and two mirror holder of focusing do axial displacement, to carry out zoom or focus operation.
Wherein, be arranged at a side of the first drive plate the first adjustment component activity, and through the first drive plate, wherein one first hold support to support.Be arranged at a side of the second drive plate second adjustment component activity, and through the second drive plate, wherein one second hold support to support.
Wherein, zoom and Focusing mechanism more can comprise a housing.Housing has an accommodation space, and driver module and two Mirror frame structures are arranged in accommodation space.The two ends of several guide rods described are resisted against a sidewall and another sidewall of accommodation space respectively.
Wherein, two Mirror frame structures more can comprise at least one first elastic component and at least one the second elastic component.At least one first elastic component is sheathed on several guide rods described, and is positioned between sidewall and two zoom mirror holders.At least one second elastic component is sheathed on several guide rods described, and be positioned at another sidewall and two focus between mirror holder.
Wherein, the length of the non-axial stretching of at least one the first elastic component is greater than the ultimate range between sidewall and zoom mirror holder; The length of the non-axial stretching of at least one the second elastic component is greater than another sidewall and two ultimate ranges of focusing between mirror holder.
Wherein, when zoom drive axle rotates with focusing driving shaft, by the elastic restoring force of at least one first elastic component and at least one the second elastic component, hold support and each second to make each first respectively to hold support and support the first drive plate and the second drive plate respectively, cause the first drive plate and the second drive plate not to rotate with zoom driving shaft and focusing driving shaft.
Wherein, when zoom drive axle rotates with focusing driving shaft, first screw and the second screw carry out relative displacement along zoom drive axle and the helicitic texture of focusing driving shaft respectively, do axial displacement with interlock first drive plate and the second drive plate, and then make each zoom mirror holder and each focusing mirror holder do axial displacement.
Wherein, at least one first through hole and at least one the second through hole, by the guiding of several guide rods described, carry out axial displacement to make two zoom mirror holders and two mirror holders of focusing along several guide rods described.
Wherein, one first driver element and one second driver element can more be comprised.First driver element and the second driver element are connected zoom drive axle and one end of focusing driving shaft respectively, rotate with focusing driving shaft to drive zoom drive axle respectively.
According to object of the present invention, reintroduce a kind of image capture unit, it comprises: a housing, a driver module, two Mirror frame structures and two photosensory assemblies.Housing has an accommodation space.Drive module setting is in accommodation space, and it comprises: a zoom drive axle, one first drive plate, one first adjustment assembly, a focusing driving shaft, one second drive plate and one second adjustment assembly.Zoom drive axle is a cylinder body of rod with helicitic texture with focusing driving shaft.First drive plate has the first screw, and by the first screw actively bolt be located at zoom drive axle.Be arranged at the first drive plate first adjustment component activity, and the side of deflection the first drive plate.Second drive plate has one second screw, and by the second screw actively bolt be located at focusing driving shaft.Be arranged at the second drive plate second adjustment component activity, and the side of deflection the second drive plate.Two Mirror frame structures, be arranged at the both sides of driver module respectively, it comprises: two zoom mirror holders, two focusing mirror holders and several guide rods.Two zoom mirror holders have at least one first through hole respectively, and extend one first respectively to the first drive plate and hold support; Each first of two zoom mirror holders holds the both sides that support is bearing on the first drive plate respectively.Two focusing mirror holders have at least one second through hole respectively, and extend one second respectively to the second drive plate and hold support; Each second of two focusing mirror holders hold the both sides that support is bearing on the second drive plate respectively.Two photosensory assemblies receiving optical signal respectively, and optical signalling is converted to signal of video signal.When zoom drive axle rotates with focusing driving shaft, first drive plate and the second drive plate do axial displacement, and support each first respectively and hold support and each second and hold support, make each zoom mirror holder and each focusing mirror holder do axial displacement, to carry out zoom and or focus operation.
Wherein, be arranged at a side of the first drive plate the first adjustment component activity, and through the first drive plate, wherein one first hold support to support.Be arranged at a side of the second drive plate second adjustment component activity, and through the second drive plate, wherein one second hold support to support.
Wherein, two Mirror frame structures more can comprise at least one first elastic component and at least one the second elastic component.At least one first elastic component and at least one the second elastic component are sheathed on several guide rods described respectively.
Wherein, at least one first elastic component is positioned between sidewall and zoom mirror holder.At least one second elastic component is positioned between another sidewall and focusing mirror holder.
Wherein, the length of the non-axial stretching of at least one the first elastic component is greater than the ultimate range between sidewall and zoom mirror holder; The length of the non-axial stretching of at least one the second elastic component is greater than the ultimate range between another sidewall and focusing mirror holder.
Wherein, when zoom drive axle rotates with focusing driving shaft, by the elastic restoring force of at least one first elastic component and at least one the second elastic component, hold support and second to make first respectively to hold support and support the first drive plate and the second drive plate respectively, cause the first drive plate and the second drive plate not to rotate with zoom driving shaft and focusing driving shaft.
Wherein, when zoom drive axle rotates with focusing driving shaft, first screw and the second screw carry out relative displacement along zoom drive axle and the helicitic texture of focusing driving shaft respectively, do axial displacement with interlock first drive plate and the second drive plate, and then make two zoom mirror holders and two mirror holders of focusing do axial displacement.
Wherein, at least one first through hole and at least one the second through hole, by the guiding of several guide rods described, carry out axial displacement to make each zoom mirror holder and each focusing mirror holder along several guide rods described.
Wherein, one first driver element and one second driver element can more be comprised.First driver element and the second driver element are connected zoom drive axle and one end of focusing driving shaft respectively, rotate with focusing driving shaft to drive zoom drive axle respectively.
From the above, according to zoom of the present invention and Focusing mechanism and image capture unit thereof, it can have one or more following advantage:
(1) this zoom and Focusing mechanism and image capture unit thereof, two driving shafts can be driven by two driver elements in a driver module, two zoom mirror holders and two mirror holders of focusing are made to do axial displacement, to reach the start of zoom and focusing, to reduce the usage quantity of driver element, and then reduce production cost.
(2) this zoom and Focusing mechanism and image capture unit thereof, by using two driver elements, two zoom mirror holders and two focusing mirror holders are made to do axial displacement, and then do the action of zoom and focusing, to reduce the usage quantity of driver element, the size of camera lens can be reduced by this design and and then make camera reach slimming and light-weighted object.
(3) this zoom and Focusing mechanism and image capture unit thereof, by the first adjustment assembly, to adjust relative position between two zoom mirror holders and by the second adjustment assembly, to adjust the relative positions between two focusing mirror holders, the production tolerance of two Mirror frame structures or the assembling focal length that produces of tolerance or inconsistent problem of focusing can be reduced by this.
Accompanying drawing explanation
Fig. 1 is the first schematic diagram of zoom of the present invention and Focusing mechanism.
Fig. 2 is the second schematic diagram of zoom of the present invention and Focusing mechanism.
Fig. 3 is the schematic diagram of the first embodiment of zoom of the present invention and Focusing mechanism.
Fig. 4 is the first schematic diagram of the second embodiment of zoom of the present invention and Focusing mechanism.
Fig. 5 is the second schematic diagram of the second embodiment of zoom of the present invention and Focusing mechanism.
Reference numeral:
1 zoom and Focusing mechanism 10 driver module 11 zoom drive axle 12 first drive plate 121 first screw 13 first driver element 14 driving shaft 15 second drive plate 151 second screw 16 second driver element 17 first adjustment assembly 18 second of focusing adjusts assembly 20 Mirror frame structure 21 zoom mirror holder 211 first through hole 212 first and holds support 213 first mirror hole 214 second varifocal mirror group 22 mirror holder 221 second through hole 222 second of focusing and hold support 223 second mirror hole 224 mirror group 23 guide rod 24 first elastic parts 25 second elastic parts 30 housing 31 of focusing and to bore a hole guide-lighting mirror 46 photosensory assembly of 32 first varifocal mirror group 4 image capture unit 40 body 41 power supply knob 42 control module 43 processing module 44 fenestra 45
Embodiment
For the benefit of your auditor effect of understanding technical characteristic of the present invention, content and advantage and can reaching, hereby the present invention is coordinated accompanying drawing, and be described in detail as follows with the expression-form of embodiment, and wherein used accompanying drawing, its purport is only the use of signal and aid illustration book, may not be actual proportions after the invention process and precisely configure, therefore should with regard to the ratio of not appended accompanying drawing and configuration relation is understood, the interest field limited the invention in actual enforcement, conjunction is first chatted bright.
Zoom of the present invention and Focusing mechanism, a driver module mainly can be utilized to drive two zoom mirror holders and two focusing mirror holders simultaneously, to make zoom and focus operation, the camera head that it is applicable to the digital still camera of three-dimensional imaging, the intelligent camera cell phone etc. of three-dimensional imaging has three-dimensional imaging, but actual exercisable category still not only limited with this.
See also Fig. 1 and Fig. 2, Fig. 1 is the first schematic diagram of zoom of the present invention and Focusing mechanism; Fig. 2 is the second schematic diagram of zoom of the present invention and Focusing mechanism.As shown in the figure, zoom of the present invention and Focusing mechanism 1 comprise: a driver module 10 and two Mirror frame structures 20.Driver module 10 comprises: zoom drive axle 11,1 first drive plate 12,1 first driver element 13, focusing driving shaft 14,1 second drive plate 15 and one second driver element 16.Zoom drive axle 11 is a cylinder body of rod with helicitic texture, and its one end connects the first driver element 13; Focusing driving shaft 14 is also a cylinder body of rod with helicitic texture, and its one end connects the second driver element 16.First drive plate 12 and the second drive plate 15 have one first screw 121 and one second screw 151 respectively, and correspond to the helicitic texture of each driving shaft, and bolt is located at zoom drive axle 11 and focusing driving shaft 14 actively respectively.Two Mirror frame structures 20 are arranged at the both sides of driver module 10 respectively, and are arranged at the accommodation space in a housing 30.Two Mirror frame structures 20 comprise respectively: zoom mirror holder 21, focusing mirror holder 22 and several guide rods 23.Each zoom mirror holder 21 has at least one first through hole 211 and at least one the second through hole 221 respectively with each focusing mirror holder 22, and several guide rods 23 are arranged in the first through hole 211 and the second through hole 221 respectively.Each zoom mirror holder 21 and each focusing mirror holder 22 are respectively to the first drive plate 12 and the second drive plate 15, extend one first to hold support 212 and one second and hold support 222, and each first holds support 212 and each second and holds the side that support 222 is bearing on the first drive plate 12 and the second drive plate 15 respectively; In other words, two first are held the both sides that support is bearing on the first drive plate 212 respectively; And two second are held the both sides that support 222 is bearing on the second drive plate 15 respectively.Housing 30 is provided with two perforation 31, and each zoom mirror holder 21 and each focusing mirror holder 22 are respectively equipped with one first mirror hole 213 and one second mirror hole 223, for arranging optical module (not illustrating in figure), and bore a hole 31 correspondingly to arrange with two in each first mirror hole 213, each second mirror hole 223.Wherein the first driver element 13 and the second driver element 16 can be direct drive motor or step motor, if take step motor as driver element, then can control the distance of axial displacement of each zoom mirror holder 21 and each focusing mirror holder 22 more accurately, so make zoom or focus operation more accurate.
When zoom drive axle 11 and focusing driving shaft 14 are driven rotation by the first driver element 13 and the second driver element 16 respectively, first drive plate 12 and the second drive plate 15, respectively by the slope of thread displacement along the helicitic texture of zoom drive axle 11 and driving shaft 14 of focusing of the first screw 121 and the second screw 151, do axial displacement to make the first drive plate 12 and the second drive plate 15 along zoom drive axle 11 and driving shaft 14 of focusing respectively.And the first drive plate 12 and the second drive plate 15 are when carrying out axial displacement, it pushes against each first respectively and holds support 212 and hold support 222 with each second.Each first holds support 212 and each second holds after support 222 pushes against by the first drive plate 12 and the second drive plate 15 respectively, and interlock each zoom mirror holder 21 and each focusing mirror holder 22 carry out axial displacement.It should be noted that each zoom mirror holder 21 of the both sides of now driver module 10 is for synchronously to carry out axial displacement, and have identical displacement.Similarly, each focusing mirror holder 22 also synchronously carries out axial displacement.When each zoom mirror holder 21 carries out displacement with each focusing mirror holder 22, it is through the guiding of several guide rods 23, causes it along several guide rods 23 to do axial displacement.Driver module 10 more can comprise one first adjustment assembly 17 and one second adjustment assembly 18.First adjustment assembly 17 is arranged at a side of the first drive plate 12, and through the first drive plate 12, wherein one first holds support 212 to support.Second adjustment assembly 18 is arranged at a side of the second drive plate 15, and through the second drive plate 15, wherein one second holds support 222 to support.
When each zoom mirror holder 21 has different relative distance from a sidewall of housing 30, one end by adjusting the first adjustment assembly 17 stretches out in the overhang of the first drive plate 21, wherein one first support 212 is held to support, make zoom mirror holder 21 displacement to adjust the relative distance of itself and described sidewall, and then make two zoom mirror holders 21 have identical relative distance with a sidewall of housing 30.In like manner, if when two focusing mirror holders 22 have different relative distance from a sidewall of housing 30, the second adjustment assembly 18 can be utilized, make its one end ejection focusing mirror holder 22 displacement, and then make two mirror holders 22 of focusing have identical relative distance with a sidewall of housing 30.The combination of the first adjustment assembly 17 (or second adjustment assembly 18) and the first drive plate 12 (or second drive plate 15), can be the combination of screw and screw, to be adjusted assembly 17 (or second adjustment assembly 18) by rotation first, make it protrude the opposite side of the first drive plate 12 (or second drive plate 15), and support a wherein zoom mirror holder 21 (or focusing mirror holder 22).And two zoom mirror holders 21 or two focusing mirror holders 22 are only citing with the relative distance relation of a sidewall of housing 30, its meaning refers to that two zoom mirror holders 21 or two focusing mirror holders 22 should have identical relative distance with arbitrary assembly axially of zoom drive axle 11 or driving shaft 14 of focusing, and produces different zooms or focusing to avoid generation two Mirror frame structures 20.Wherein the axis of several guide rods 23 and the axis of zoom drive axle 11 and driving shaft 14 of focusing can be and be arranged in parallel, to make each zoom mirror holder 21 and each focusing mirror holder 22 carry out axial displacement along several guide rods 23, can be same carry out axial displacement along zoom drive axle 11 and focusing driving shaft 14.
In brief, first driver element 13 and the second driver element 16 drive zoom drive axle 11 to rotate with focusing driving shaft 14 respectively, and pass through zoom drive axle 11 helicitic texture corresponding with the first screw 121 of the first drive plate 12, and the helicitic texture that focusing driving shaft 14 is corresponding with the second screw 151 of the second drive plate 15, make the first drive plate 12 and the second drive plate 15 do axial displacement.And the first drive plate 12 and the second drive plate 15 are when doing axial displacement, the side of the first drive plate 12 and the second drive plate 15 pushes against each first respectively and holds support 212 and hold support 222 with each second, and then interlock each zoom mirror holder 21 does axial displacement with each focusing mirror holder 22 along several guide rods 23, and zoom and Focusing mechanism 1 therefore can be made to make zoom and focus operation.
Refer to Fig. 3, it is the schematic diagram of the first embodiment of zoom of the present invention and Focusing mechanism.In the present embodiment, the relevant connection of zoom and Focusing mechanism 1 or start relation, similar to the above, in this case schematic illustration just no longer describes.As shown in the figure, zoom and Focusing mechanism 1 are arranged at the accommodation space in a housing 30.Two perforation 31 of housing 30 are embedded with one first varifocal mirror group 32 respectively.Each zoom mirror holder 21 and each focusing mirror holder 22 have one first mirror hole 213 and one second mirror hole 223 more respectively, and are embedded with one second varifocal mirror group 214 and a focusing mirror group 224 respectively.Wherein each first varifocal mirror group 32, each second varifocal mirror group 213 and each focusing mirror group 224 can be arranged at same axis respectively.Two Mirror frame structures 20 more can be provided with at least one first elastic parts 24 and at least one the second elastic parts 25.At least one first elastic parts 24 is sheathed on several guide rods 23, and between the sidewall being arranged at contiguous first driver element 13 of each zoom mirror holder 21 and housing 30; At least one second elastic parts 25 is sheathed on several guide rods 23, and between another sidewall being arranged at contiguous second driver element 16 of each focusing mirror holder 21 and housing 30.Wherein the length of the non-axial stretching of at least one the first elastic parts 24 is greater than the spacing of a sidewall of zoom mirror holder 21 and contiguous first driver element 13 of housing 30; The length that at least one second elastic parts 25 does not stretch is greater than the spacing of another sidewall of focusing mirror holder 22 and contiguous second driver element 16 of housing 30, and when therefore making zoom and Focusing mechanism 1 be arranged in housing 30, produced an elastic-restoring force by least one first elastic parts 24 each by compressing, and then make each first of each zoom mirror holder 21 to hold support 212 more positively to abut against in the first drive plate 12; In like manner, respectively at least one second elastic parts 25 also produces an elastic-restoring force, and then makes each second of each focusing mirror holder 22 to hold support 222 more positively to abut against the second drive plate 15.
When the first driver element 13 and the second driver element 16 are driven, zoom drive axle 11 is driven in rotation with focusing driving shaft 14, and utilize the mutual relationship of its helicitic texture and the first screw 121 and the second screw 151, order about the first drive plate 12 and the second drive plate 15 does axial displacement; And the first drive plate 12 and the second drive plate 15 push against each first respectively and hold support 212 and hold support 222 with each second.Synchronously axial displacement is done after two zoom mirror holders 21 push against by each first drive plate 12; Synchronously axial displacement is done after two focusing mirror holders 22 push against by each second drive plate 15.By each zoom mirror holder 21 and the displacement to axial of each focusing mirror holder 22, zoom and Focusing mechanism 1 can be made to carry out zoom and focus operation.If when two zoom mirror holders 21 and housing 30 1 sidewall have different relative distance, adjustable first adjusts assembly 17, make its one end protrude the first drive plate 12 and push against the zoom mirror holder 21 corresponding to it, and then making two zoom mirror holders 21 have identical relative distance with housing 30 1 sidewall.In like manner, if when two focusings mirror holder 22 and another sidewalls of housing 30 have different relative distance, adjustable second adjusts assembly 18, makes its one end push against focusing mirror holder 22 corresponding to it, and then makes two mirror holders 22 of focusing have identical relative distance with another sidewall of housing 30.When wherein each zoom mirror holder 21 does axial displacement with each focusing mirror holder 22, extruding at least one first elastic parts 24 each and at least one second elastic parts 25 each respectively, and make it produce corresponding elastic restoring force.When making each zoom mirror holder 21 do axial displacement with each focusing mirror holder 22 by elastic restoring force, each first holds support 212 and each second holds support 222 and keeps in touch with the first drive plate 12 and the second drive plate 15 respectively, only does axial displacement to cause the first drive plate 12 and the second drive plate 15 and does not rotate with zoom driving shaft 11 and driving shaft 14 of focusing.
Furthermore, when zoom drive axle 11 is driven, and when making each zoom mirror holder 21 do relative displacement with housing 30, each first varifocal mirror group 32 of housing 30 does relative displacement with the second varifocal mirror group 214 of each zoom mirror holder 21, to adjust suitable spacing, now zoom and Focusing mechanism 1 carry out zoom action.Again, after each first varifocal mirror group 32 determines with the relative position of each second varifocal mirror group 214, when meaning and zoom action complete, focusing driving shaft 14 is driven, each focusing mirror holder 22 is made to carry out relative displacement with each zoom mirror holder 21, to adjust suitable spacing, now zoom and Focusing mechanism 1 carry out focus operation.Wherein zoom drive axle 11 can be respectively equipped with a clutch shaft bearing (not being illustrated in figure) and one second bearing (not being illustrated in figure) with the tail end of focusing driving shaft 14, when it keeps zoom drive axle 11 to do relative motion with focus driving shaft 14 and the first drive plate 12 and the second drive plate 15, keep the central axis of zoom drive axle 11 and focusing driving shaft 14, to make the longer service life of zoom drive axle 11 and focusing driving shaft 14.In above-mentioned, in the utilization of reality, also the mirror group spacing designed in advance can be utilized, and make the first driver element 13 and the second driver element 16 drive zoom drive axle 11 and focusing driving shaft 14 to rotate simultaneously, can complete to make the action of zoom and focusing simultaneously, therefore above-mentioned enforcement aspect is only demonstration, should not as limit.
See also Fig. 4 and Fig. 5, Fig. 4 is the first schematic diagram of the second embodiment of zoom of the present invention and Focusing mechanism; Fig. 5 is the second schematic diagram of the second embodiment of zoom of the present invention and Focusing mechanism.In the present embodiment, the relevant connection of zoom and Focusing mechanism 1 or start relation, similar to the above, in this case schematic illustration just no longer describes.As shown in the figure, zoom of the present invention and Focusing mechanism 1 can be applicable to an image capture unit 4, and as three-dimensional imaging digital still camera, the intelligent camera cell phone of three-dimensional imaging etc., but actual exercisable category is not limit by this.Image capture unit 4 comprises: a body 40, several buttons 41 (as power supply knob), control module 42, processing module 43, two fenestras 44, two guide-lighting mirrors 45, two photosensory assemblies 46.Wherein power supply knob 41 is electrically connected control module 42.Processing module 43 is electrically connected control module 42, first driver element 13 and the second driver element 16.Wherein photosensory assembly 46 can receive optical image, and be converted into signal of video signal, it can be Charged Coupled Device (Charge-coupled device, or complementary metal-oxide layer-semiconductor (Complementary Metal-Oxide-Semiconductor, CMOS) CCD).Image capture unit 4 after finishing assembly, in the process of verification, if find, image capture unit 4 reconstructs the 3 D stereoscopic image of a mistake, its reason is often because of the production tolerance of assembly or error when assembling, make two zoom mirror holders 21 (or two focusing mirror holders 22) different from the relative distance of two photosensory assemblies 46, and then cause processing module 43 to utilize described two signal of video signal to carry out reconstructing the 3 D stereoscopic image of a mistake.Now then can utilize the first adjustment assembly 17 (or second adjustment assembly 18), two zoom mirror holders 21 (or focusing mirror holder 22) are adjusted, make two zoom mirror holders 21 (or focusing mirror holder 22) identical with the relative distance of two photosensory assemblies 46, thus make image capture unit 4 can produce predetermined 3 D stereoscopic image.Driver module 10 and two Mirror frame structures 20 are arranged in an accommodation space of housing 30, and housing 30 is arranged in body 40.Its middle shell 30 has two perforation 31, and is embedded with the first varifocal mirror group 32 respectively.Each zoom mirror holder 21 is respectively equipped with the first mirror hole 213 and the second mirror hole 223 with each focusing mirror holder 22, and is embedded with the second varifocal mirror group 214 and focusing mirror group 224 respectively.Two guide-lighting mirrors 45 are a wedge structure, are arranged at respectively on housing 30, and the position of two fenestras 44 relative to body 40.Each guide-lighting mirror 45, each first varifocal mirror group 32, each second varifocal mirror group 214, each focusing mirror group 224 and each photosensory assembly 46 are arranged at same axis all respectively, to make the optical signalling of object through the refraction of each guide-lighting mirror 45, to enter each first varifocal mirror group 32, and adjusted by the spacing of each first varifocal mirror group 32, each second varifocal mirror group 214 and the mirror group 224 that respectively focuses, make the optical signalling of object be mapped in each photosensory assembly 46.
That is, when user presses power supply knob 41, control module 42 produces a control signal and is sent to processing module 43, processing module 43 drives the first driver element 13 and the second driver element 16 start according to control signal, zoom drive axle 11 is rotated with focusing driving shaft 14, and interlock first drive plate 12 and the second drive plate 15 do axial displacement; Push against each focusing mirror holder 22 by this and do axial displacement with each zoom mirror holder 21 along guide rod 23, and then make each first varifocal mirror group 32 do relative displacement, to carry out zoom action with each second varifocal mirror group 214.And the mirror group 224 that respectively focuses does relative displacement, to carry out focus operation with each varifocal mirror group (each first varifocal mirror group 32 and each second varifocal mirror group 214).Thus, make the optical signalling of object through each fenestra 44, and via the refraction of each guide-lighting mirror 45, to enter each first varifocal mirror group 32, and the spacing adjustment between each first varifocal mirror group 32 that arranges in pairs or groups, each second varifocal mirror group 214 and each focusing mirror group 224, and make the optical signalling of object be mapped in each photosensory assembly 46.The optical signalling of the object that it receives by each photosensory assembly 46 is converted to the first signal of video signal and the second signal of video signal respectively, via processing module 43, first signal of video signal and the second signal of video signal are redeveloped into a 3-dimensional image again, and are shown in a display screens (not illustrating in figure).
To sum up state and sayed, zoom of the present invention and Focusing mechanism can be applicable to an image capture unit, it utilizes two driver elements to drive a zoom drive axle and to focus driving shaft respectively, order about the first drive plate and the second drive plate axial displacement, and push against first and hold support and second and hold support, and then each zoom mirror holder and each focusing mirror holder is made to do axial displacement along several guide rods.By the relative displacement of each zoom mirror holder and each focusing mirror holder, image capture unit is made to make zoom and focus operation.
The foregoing is only illustrative, but not be restricted person.Anyly do not depart from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in accompanying claim.
Claims (16)
1. zoom and a Focusing mechanism, is characterized in that, it comprises:
One driver module, it comprises:
One zoom drive axle, for having a cylinder body of rod of helicitic texture;
One first drive plate, has one first screw and bolt is located at described zoom drive axle actively;
One first adjustment assembly, is arranged at described first drive plate actively, and is partial to the side of described first drive plate;
One focusing driving shaft, for having a cylinder body of rod of helicitic texture;
One second drive plate, has one second screw and bolt is located at described focusing driving shaft actively; And
One second adjustment assembly, is arranged at described second drive plate actively, and is partial to the side of described second drive plate; And
Two Mirror frame structures, be arranged at the both sides of described driver module respectively, it comprises:
Two zoom mirror holders, have at least one first through hole respectively, and extend one first respectively to described first drive plate and hold support, and each described first holds the both sides that support is bearing on described first drive plate respectively;
Two focusing mirror holders, have at least one second through hole respectively, and extend one second respectively to described second drive plate and hold support, each described second holds the both sides that support is bearing on described second drive plate respectively; And
Several guide rods are a cylinder body of rod, and are arranged at least one first through hole described and at least one second through hole described respectively;
Wherein, when described zoom drive axle and described focusing driving shaft rotate, described first drive plate and described second drive plate do axial displacement, and support each described first respectively and hold support and each described second and hold support, described two zoom mirror holders and described two mirror holders of focusing are made to do axial displacement, to carry out zoom or focus operation.
2. zoom as claimed in claim 1 and Focusing mechanism, is characterized in that, described first adjustment component activity ground is arranged at a side of described first drive plate, and passes described first drive plate, wherein first holds support described in one to support; Described second adjustment component activity ground is arranged at a side of described second drive plate, and passes described second drive plate, wherein second holds support described in one to support.
3. zoom as claimed in claim 1 and Focusing mechanism, it is characterized in that, described zoom and Focusing mechanism more comprise a housing, described housing has an accommodation space, described driver module and described two Mirror frame structures are arranged in described accommodation space, and the two ends of several guide rods described are resisted against a sidewall and another sidewall of described accommodation space respectively.
4. zoom as claimed in claim 3 and Focusing mechanism, it is characterized in that, described two Mirror frame structures more comprise at least one first elastic component and at least one the second elastic component, at least one first elastic component described is sheathed on several guide rods described, and be positioned between described sidewall and described zoom mirror holder, at least one second elastic component described is sheathed on several guide rods described, and is positioned at described between another sidewall and described focusing mirror holder.
5. zoom as claimed in claim 4 and Focusing mechanism, it is characterized in that, the length of the non-axial stretching of at least one the first elastic component described is greater than the ultimate range between described sidewall and described zoom mirror holder, and the length of the non-axial stretching of at least one the second elastic component described is greater than described ultimate range between another sidewall and described focusing mirror holder.
6. zoom as claimed in claim 4 and Focusing mechanism, it is characterized in that, when described zoom drive axle and described focusing driving shaft rotate, by the elastic restoring force of at least one first elastic component described and at least one the second elastic component described, hold support and each described second to make each described first respectively to hold support and support described first drive plate and described second drive plate respectively, cause described first drive plate and described second drive plate not to rotate with described zoom drive axle and described focusing driving shaft.
7. zoom as claimed in claim 1 and Focusing mechanism, it is characterized in that, when described zoom drive axle and described focusing driving shaft rotate, described first screw and described second screw carry out relative displacement along the helicitic texture of described zoom drive axle and described focusing driving shaft respectively, do axial displacement with the first drive plate described in interlock and described second drive plate, and then make described two zoom mirror holders and described two mirror holders of focusing do axial displacement.
8. zoom as claimed in claim 1 and Focusing mechanism, it is characterized in that, described driver module more comprises one first driver element and one second driver element, described first driver element is connected one end of described zoom drive axle and described focusing driving shaft respectively with described second driver element, rotates to drive described zoom drive axle and described focusing driving shaft respectively.
9. an image capture unit, is characterized in that, it comprises:
One housing, has an accommodation space;
One driver module, be arranged at described accommodation space, it comprises:
One zoom drive axle, for having a cylinder body of rod of helicitic texture;
One first drive plate, has one first screw and bolt is located at described zoom drive axle actively;
One first adjustment assembly, is arranged at described first drive plate actively, and is partial to the side of described first drive plate;
One focusing driving shaft, for having a cylinder body of rod of helicitic texture;
One second drive plate, has one second screw and bolt is located at described focusing driving shaft actively; And
One second adjustment assembly, is arranged at described second drive plate actively, and is partial to the side of described second drive plate; And
Two Mirror frame structures, be arranged at the both sides of described driver module respectively, it comprises:
Two zoom mirror holders, have at least one first through hole respectively, and extend one first respectively to described first drive plate and hold support, and each described first holds the both sides that support is bearing on described first drive plate respectively;
Two focusing mirror holders, have at least one second through hole respectively, and extend one second respectively to described second drive plate and hold support, each described second holds the both sides that support is bearing on described second drive plate respectively; And
Several guide rods are a cylinder body of rod, and are arranged at least one first through hole described and at least one second through hole described respectively, and one end of several a little guide rods described connects a sidewall and another sidewall of described accommodation space; And
Two photosensory assemblies, receive an optical signalling, and described optical signalling is converted to a signal of video signal;
Wherein, when described zoom drive axle and described focusing driving shaft rotate, described first drive plate and described second drive plate do axial displacement, and support each described first respectively and hold support and each described second and hold support, each described zoom mirror holder and each described focusing mirror holder is made to do axial displacement, to carry out zoom and or focus operation.
10. image capture unit as claimed in claim 9, is characterized in that, described first adjustment component activity ground is arranged at a side of described first drive plate, and passes described first drive plate, wherein first holds support described in one to support; Described second adjustment assembly is arranged at a side of described second drive plate, and through described second drive plate, wherein second holds support described in one to support.
11. image capture units as claimed in claim 9, it is characterized in that, described two Mirror frame structures more comprise at least one first elastic component and at least one the second elastic component, and at least one first elastic component described and at least one second elastic component described are sheathed on several guide rods described respectively.
12. image capture units as claimed in claim 11, is characterized in that, at least one first elastic component described is positioned between described sidewall and described zoom mirror holder, and at least one second elastic component described is positioned at described between another sidewall and described focusing mirror holder.
13. image capture units as claimed in claim 12, it is characterized in that, the length of the non-axial stretching of at least one the first elastic component described is greater than the ultimate range between described sidewall and described zoom mirror holder, and the length of the non-axial stretching of at least one the second elastic component described is greater than described ultimate range between another sidewall and described focusing mirror holder.
14. image capture units as claimed in claim 12, it is characterized in that, when described zoom drive axle and described focusing driving shaft rotate, by the elastic restoring force of at least one first elastic component described and at least one the second elastic component described, hold support and described second to make described first respectively to hold support and support described first drive plate and described second drive plate respectively, cause described first drive plate and described second drive plate not to rotate with described zoom drive axle and described focusing driving shaft.
15. image capture units as claimed in claim 9, it is characterized in that, when described zoom drive axle and described focusing driving shaft rotate, each described first screw and each described second screw carry out relative displacement along the helicitic texture of described zoom drive axle and described focusing driving shaft respectively, do axial displacement with each described first drive plate of interlock and each described second drive plate, and then make each described zoom mirror holder and each described focusing mirror holder do axial displacement.
16. image capture units as claimed in claim 9, it is characterized in that, described driver module more comprises one first driver element and one second driver element, described first driver element is connected one end of described zoom drive axle and described focusing driving shaft respectively with described second driver element, rotates to drive described zoom drive axle and described focusing driving shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052048.8A CN103293631B (en) | 2012-03-01 | 2012-03-01 | Zooming and focusing mechanism and image acquisition device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052048.8A CN103293631B (en) | 2012-03-01 | 2012-03-01 | Zooming and focusing mechanism and image acquisition device thereof |
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| Publication Number | Publication Date |
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| CN103293631A CN103293631A (en) | 2013-09-11 |
| CN103293631B true CN103293631B (en) | 2015-07-15 |
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| CN201210052048.8A Expired - Fee Related CN103293631B (en) | 2012-03-01 | 2012-03-01 | Zooming and focusing mechanism and image acquisition device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104656223B (en) * | 2015-02-10 | 2017-06-27 | 青岛歌尔声学科技有限公司 | A kind of lens controlling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016993A (en) * | 1987-10-02 | 1991-05-21 | Olympus Optical Company Ltd. | Zoom mechanism for zoom lenses |
| CN1573499A (en) * | 2003-06-03 | 2005-02-02 | 三星电子株式会社 | Apparatus for driving lens in camera |
| CN1763573A (en) * | 2004-10-22 | 2006-04-26 | 财团法人工业技术研究院 | Optical lens driving apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001042195A (en) * | 1999-08-03 | 2001-02-16 | Canon Inc | Lens driving device and optical equipment |
| US7009781B2 (en) * | 2004-06-22 | 2006-03-07 | Arc Design, Inc. | Zoom lens mechanism partly foldable and retractable |
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2012
- 2012-03-01 CN CN201210052048.8A patent/CN103293631B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016993A (en) * | 1987-10-02 | 1991-05-21 | Olympus Optical Company Ltd. | Zoom mechanism for zoom lenses |
| CN1573499A (en) * | 2003-06-03 | 2005-02-02 | 三星电子株式会社 | Apparatus for driving lens in camera |
| CN1763573A (en) * | 2004-10-22 | 2006-04-26 | 财团法人工业技术研究院 | Optical lens driving apparatus |
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