CN204945471U - The zoom lens of the changeable focal length of compact - Google Patents
The zoom lens of the changeable focal length of compact Download PDFInfo
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- CN204945471U CN204945471U CN201520655687.2U CN201520655687U CN204945471U CN 204945471 U CN204945471 U CN 204945471U CN 201520655687 U CN201520655687 U CN 201520655687U CN 204945471 U CN204945471 U CN 204945471U
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Abstract
The utility model relates to the zoom lens of the changeable focal length of a kind of compact, comprise the first fixed optics eyeglass, optical mirror slip switching panel, the switchable optical lens set be arranged on optical mirror slip switching panel, wherein, described switchable optical lens set comprises the switching eyeglass that polylith has different curvature and/or different materials, all switching eyeglasses are positioned at same plane, every block switch eyeglass optical axis can under optical mirror slip switches the drive of panel respectively with the optical axis alignment of the first fixed optics eyeglass.Camera lens of the present utility model according to needs when taking pictures, can be selected eyeglass required in switchable optical lens set, therefore changes the focal length of overall camera lens, and then reach the ability of zoom.
Description
Technical field
The utility model relates to optical lens technical field, is specifically related to the zoom lens of the changeable focal length of a kind of compact.
Background technology
Current mobile phone photograph is more and more convenient and popular, and the demand of user to mobile phone photograph is more and more higher.Along with development and the evolution of technology, the camera function of mobile phone can meet the demand of the aspect such as high resolving power, optimized image quality.Majority also can support Digital Zoom, but when the number " zoom " of larger multiple, image detail loss is serious, and granular sensation or crenellated phenomena obviously, lose sharpness.Optical zoom, when amplification, can reach picture rich in detail, does not lose details.Optical zoom function in the compact such as mobile phone and panel computer ultrathin products be a large technical barrier of industry, but user is expected this function very much always.
The multiple optical zoom technology such as longitudinal extension formula camera lens, external lens adapter ring mode, periscopic optical zoom mode, twin-lens bi-focal mode and progressive focal spot techniques have been had in digital camera field, but above-mentioned several optical zoom technology respectively has shortcoming, be not easy to be integrated in the ultrathin such as mobile phone and panel computer electronic equipment.For longitudinal extension formula camera lens, its distance be longitudinally travelled is too large, and the volume of needs and space are also large, and do not have good antidetonation crash resistance energy.For external lens adapter ring mode, its external lens is easily lost, and carries inconvenience, and overall volume is also large.For periscopic optical zoom mode, its volume is comparatively large, be very difficult to miniaturization, and there is multiple light deflection device inside, can reduce image quality.For twin-lens bi-focal mode, it is the mode by software process quality image, and it needs relatively large data to calculate, and needs accurate complicated manufacture to control the optical axis deviation of two camera lenses to ensure that visual angle is consistent.For progressive focal spot techniques, its progressive lenses has multiple focus, by the position of translation wherein eyeglass, reach the zoom capabilities of overall camera lens, but the difficult point of this technology is the eyeglass complex of this progressive focus, manufactures very difficult, production yield is low, and imaging effect is difficult to ensure.
Utility model content
The purpose of this utility model is the zoom lens providing the changeable focal length of a kind of compact, and this camera lens can realize optical zoom in the compact devices such as mobile phone or panel computer, improves the effect of taking pictures of mobile phone or panel computer.
For solving the problems of the technologies described above, the utility model discloses the zoom lens of the changeable focal length of a kind of compact, it is characterized in that: it comprises the first fixed optics eyeglass, optical mirror slip switches panel, the switchable optical lens set be arranged on optical mirror slip switching panel, wherein, described switchable optical lens set comprises the switching eyeglass that polylith has different curvature and/or different materials, all switching eyeglasses are positioned at same plane, every block switch eyeglass optical axis can under optical mirror slip switches the drive of panel respectively with the optical axis alignment of the first fixed optics eyeglass.
The utility model can realize the optical zoom of the compact devices such as mobile phone or panel computer.Camera lens of the present utility model according to the needs of Scalable when taking pictures, can be selected eyeglass required in switchable optical lens set, therefore changes the focal length of overall camera lens, thus reach the ability of zoom.Switching mode can adopt sector pivot or Rotary Round or parallel slide type.
Compact dimensions of the present utility model, structure is simple, and easy to manufacture, compact, is easily integrated in ultra thin device.(complex structure of telescopic and periscopic, structure of the present utility model is simple.Progressive focus lens, the manufacture of its eyeglass is very complicated.Of the present utility model easy to manufacture, eyeglass is uncomplicated.With the camera lens of multiple easy manufacture, switching combining realizes the ability of optical zoom.)
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the vertical view that in the utility model embodiment 1, circular optical eyeglass switches panel;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the vertical view that in the utility model embodiment 2, fan-shaped optical mirror slip switches panel;
Fig. 5 is the structural representation of the utility model embodiment 3;
Fig. 6 is the side-looking structural representation of rectangular optical eyeglass diverter surface plate portion in the utility model embodiment 3;
Fig. 7 is that in the utility model, the second fixed optics eyeglass 4 is positioned at the structural representation on rear side of switchable optical lens set 3.
Wherein, 1-the first fixed optics eyeglass, 2-optical mirror slip switches panel, 2.1-rotating shaft, 2.2-eyeglass mounting hole, 2.3-circular optical eyeglass switches panel, 2.4-fan-shaped optical mirror slip switches panel, 2.5-rectangular optical eyeglass switches panel, 3-switchable optical lens set, 3.1-switch eyeglass, 4-the second fixed optics eyeglass, 5-motor, 6-electric machine controller, 7-panel periphery slide rail, 8-slide block, 9-tooth bar, 10-control chip, 11-peripheral base, 12-position transducer, 13-position transducer sensor block, 14-gear.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The zoom lens of the changeable focal length of compact of the present utility model, it comprises the first fixed optics eyeglass 1, optical mirror slip switches panel 2, the switchable optical lens set 3 be arranged on optical mirror slip switching panel 2, wherein, described switchable optical lens set 3 comprises the switching eyeglass 3.1 that polylith has different curvature and/or different materials, all switching eyeglasses 3.1 are positioned at same plane, every block switch eyeglass 3.1 optical axis can under optical mirror slip switches the drive of panel 2 respectively with the optical axis alignment of the first fixed optics eyeglass 1.
Described first fixed optics eyeglass 1 is fixedly connected with peripheral base 11.
In technique scheme, it also comprises the light shaft coaxle second fixed optics eyeglass 4 (the second fixed optics eyeglass 4 is fixedly connected with another peripheral base 11) with the first fixed optics eyeglass 1, and described second fixed optics eyeglass 4 is between the first fixed optics eyeglass 1 and switchable optical lens set 3;
Or the second fixed optics eyeglass 4 is positioned on front side of the first fixed optics eyeglass 1, switchable optical lens set 3 is positioned on rear side of the first fixed optics eyeglass 1;
Or the second fixed optics eyeglass 4 is positioned on rear side of switchable optical lens set 3, the first fixed optics eyeglass 1 is positioned on front side of switchable optical lens set 3, as shown in Figure 7.
In technique scheme, it also comprises motor 5 and electric machine controller 6, the control signal output terminal of described electric machine controller 6 connects the control end of motor 5, motor 5 for drive optical mirror slip switch panel 2 move thus realize every block switch eyeglass 3.1 optical axis can respectively with the optical axis alignment of the first fixed optics eyeglass 1.
In technique scheme, the control signal input end of described electric machine controller 6 is used for the control signal output terminal of connection control chip 10.
In technique scheme, described first fixed optics eyeglass 1 is fixedly connected with peripheral base 11 (peripheral base 11 is arranged on the relevant position of mobile phone), described peripheral base 11 is provided with position transducer 12, the installation site that described optical mirror slip switches each eyeglass in panel 2 is equipped with the position transducer sensor block 13 corresponding with position transducer 12, the communication ends of the communication ends connection control chip 10 of position transducer 12.Position transducer 12 and corresponding position transducer sensor block 13 can ensure that the optical axis of the first fixed optics eyeglass 1 and required one switch the optical axis alignment of eyeglass 3.1.
Embodiment 1:
As depicted in figs. 1 and 2, described optical mirror slip switches panel 2 for circular optical eyeglass switching panel 2.3, the center of circle that described circular optical eyeglass switches panel 2.3 is provided with rotating shaft 2.1, the rotating shaft 2.1 that output shaft and the circular optical eyeglass of described motor 5 switch panel 2.3 is fixedly connected with, the circumference that described circular optical eyeglass switching panel 2.3 switches panel 2.3 along circular optical eyeglass evenly offers multiple eyeglass mounting hole 2.2, is equipped with corresponding switching eyeglass 3.1 in each eyeglass mounting hole 2.2.Circular optical eyeglass switches every 45 degree of sectors of panel 2.3, lay one and switch eyeglass 3.1, altogether can place 8 and switch eyeglass 3.1, or 60 degree, each sector can be designed, so circular optical eyeglass switching panel 2.3 can lay 6 altogether and switch eyeglasses 3.1.
Embodiment 2:
As shown in Figure 3 and Figure 4, it is that fan-shaped optical mirror slip switches panel 2.4 that described optical mirror slip switches panel 2, the center of circle that described fan-shaped optical mirror slip switches panel 2.4 is provided with rotating shaft 2.1, the rotating shaft 2.1 that output shaft and the fan-shaped optical mirror slip of described motor 5 switch panel 2.4 is fixedly connected with, the circumference that described fan-shaped optical mirror slip switching panel 2.4 switches panel 2.4 along fan-shaped optical mirror slip evenly offers multiple eyeglass mounting hole 2.2, is equipped with corresponding switching eyeglass 3.1 in each eyeglass mounting hole 2.2.Fan angle is 135 degree, and the fan angle of inner fan-shaped disc is 90 degree, places two above and switches eyeglass 3.1, take the sector region of 45 degree separately.
When the first fixed optics eyeglass 1 is enabled time, the focal length of overall camera lens is 3mm, uses as when normally taking pictures.When switching the optical axis alignment of the optical axis of eyeglass 3.1 and the first fixed optics eyeglass 1 for first, the focal length of overall camera lens is 6mm, so can reach the optical zoom of 2 times.When switching the optical axis alignment of the optical axis of eyeglass 3.1 and the first fixed optics eyeglass 1 for second, the focal length of overall camera lens is 9mm, so can reach the optical zoom ability of 3 times.On mobile phone, reach the optical zoom of 2 times to 3 times, reach the demand of most of user.
Embodiment 3:
As shown in Figure 5 and Figure 6, it also comprises switching panel periphery slide rail 7 (switching the correspondence position that panel periphery slide rail 7 is arranged on mobile phone), described optical mirror slip switches panel 2 for rectangular optical eyeglass switching panel 2.5, the side that described rectangular optical eyeglass switches panel 2.5 is provided with and the slide block 8 switching panel periphery slide rail 7 and mate, another side that rectangular optical eyeglass switches panel 2.5 is provided with tooth bar 9, the output shaft of described motor 5 is fixed with gear 14, and described gear 14 engages with tooth bar 9.
Because the utility model only has multisection type zoom function, continuous vari-focus can not be realized separately, optical zoom of the present utility model can be combined with Digital Zoom, jointly realize continuous vari-focus, form electrodeless zoom.
Utilize a Zooming method for the zoom lens of the changeable focal length of above-mentioned compact, comprise the steps:
Step 1: when user's mobile phone or panel computer are taken pictures, under the preview mode of mobile phone or panel computer, operate interface of taking pictures, selection zooms in or out, control chip 10 is according to the status information at current lens place and current digital zoom magnification, within the scope of zooming in or out of judging that user's next one the needs Digital Zoom whether multiple still can allow under current state, if still within the scope of Digital Zoom, then perform Digital Zoom, if not within the scope of Digital Zoom, enter step 2;
Step 2: predictably calculate overall zoom magnification, again according to current camera lens status information, calculate the multiple that next optical zoom needs, then recalculate Digital Zoom multiple required on the basis of next optical zoom, the action of optical zoom is that step 3 is to step 4;
Step 3: when the first fixed optics eyeglass 1 and each switch the curvature of eyeglass 3.1 and material determines, control chip 10 calculates switching eyeglass 3.1 kind zoomed in or out needed for multiple meeting the next needs of above-mentioned user, and each switches the positional information of eyeglass 3.1 kind residing for optical mirror slip switches in panel 2 and has been stored in advance in control chip 10;
Step 4: control chip 10 controls motor 5 according to required switching eyeglass 3.1 kind by electric machine controller 6 and rotates, thus drive the motion of optical mirror slip switching panel 2 to make the required switching optical axis of eyeglass 3.1 and the optical axis alignment of the first fixed optics eyeglass 1, then the Digital Zoom multiple calculated according to step 2 carries out Digital Zoom, now namely completes the zoom of zoom lens.
Optical mirror slip is switched the positional information that in panel 2, each switches residing for eyeglass 3.1 and feeds back to control chip 10 by described step 4 Position Sensor 12, makes control chip 10 can realize the required optical axis switching eyeglass 3.1 and accurately aims at the optical axis of the first fixed optics eyeglass 1.
Illustrate zoom principle of the present utility model below: the such as structure of two burnt sections, cutaway can realize 3mm and 9mm two focal length modes, and the optical zoom between these two patterns is 3 times.Initial camera lens is operated in 3mm focal length mode, when user operation feels like doing amplification time, if enlargement factor does not also reach 3 times, at this time can use Digital Zoom.If user continue amplify, time demand multiple is more than 3 times, can cutaway to 9mm pattern, turn Digital Zoom multiple down 1.0 times, be exactly at this time 3 times of zooms simultaneously.If user continues to want to amplify, then can increase the multiple of Digital Zoom.Suppose that the maximum multiple of Digital Zoom is set to 4 times, so combine optical zoom and Digital Zoom, the zoom magnification of whole system can reach 12 times.For the operation reduced, process is identical.First judge that whether the current multiple reducing needs is still in Digital Zoom scope, if so, then performs Digital Zoom.If minification is less than 1 times, just need switchable optics zoom.In conjunction with optical zoom and Digital Zoom, larger overall zoom capabilities can be provided.
The content that this instructions is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. the zoom lens of the changeable focal length of compact, it is characterized in that: it comprises the first fixed optics eyeglass (1), optical mirror slip switches panel (2), be arranged on the switchable optical lens set (3) on optical mirror slip switching panel (2), wherein, described switchable optical lens set (3) comprises the switching eyeglass (3.1) that polylith has different curvature and/or different materials, all switching eyeglasses (3.1) are positioned at same plane, every block switch eyeglass (3.1) optical axis can under optical mirror slip switches the drive of panel (2) respectively with the optical axis alignment of the first fixed optics eyeglass (1).
2. the zoom lens of the changeable focal length of compact according to claim 1, it is characterized in that: it also comprises light shaft coaxle second fixed optics eyeglass (4) with the first fixed optics eyeglass (1), described second fixed optics eyeglass (4) is positioned between the first fixed optics eyeglass (1) and switchable optical lens set (3);
Or the second fixed optics eyeglass (4) is positioned at the first fixed optics eyeglass (1) front side, switchable optical lens set (3) is positioned at the first fixed optics eyeglass (1) rear side;
Or the second fixed optics eyeglass (4) is positioned at switchable optical lens set (3) rear side, the first fixed optics eyeglass (1) is positioned at switchable optical lens set (3) front side.
3. the zoom lens of the changeable focal length of compact according to claim 1, it is characterized in that: it also comprises motor (5) and electric machine controller (6), the control signal output terminal of described electric machine controller (6) connects the control end of motor (5), motor (5) for drive optical mirror slip to switch panel (2) motion thus realize every block switch eyeglass (3.1) optical axis can respectively with the optical axis alignment of the first fixed optics eyeglass (1).
4. the zoom lens of the changeable focal length of compact according to claim 3, it is characterized in that: described optical mirror slip switches panel (2) for circular optical eyeglass switching panel (2.3), the center of circle that described circular optical eyeglass switches panel (2.3) is provided with rotating shaft (2.1), the rotating shaft (2.1) that output shaft and the circular optical eyeglass of described motor (5) switch panel (2.3) is fixedly connected with, the circumference that described circular optical eyeglass switching panel (2.3) switches panel (2.3) along circular optical eyeglass evenly offers multiple eyeglass mounting hole (2.2), corresponding switching eyeglass (3.1) is equipped with in each eyeglass mounting hole (2.2).
5. the zoom lens of the changeable focal length of compact according to claim 3, it is characterized in that: described optical mirror slip switches panel (2) for fan-shaped optical mirror slip switching panel (2.4), the center of circle that described fan-shaped optical mirror slip switches panel (2.4) is provided with rotating shaft (2.1), the rotating shaft (2.1) that output shaft and the fan-shaped optical mirror slip of described motor (5) switch panel (2.4) is fixedly connected with, the circumference that described fan-shaped optical mirror slip switching panel (2.4) switches panel (2.4) along fan-shaped optical mirror slip evenly offers multiple eyeglass mounting hole (2.2), corresponding switching eyeglass (3.1) is equipped with in each eyeglass mounting hole (2.2).
6. the zoom lens of the changeable focal length of compact according to claim 3, it is characterized in that: it also comprises switching panel periphery slide rail (7), described optical mirror slip switches panel (2) for rectangular optical eyeglass switching panel (2.5), the side that described rectangular optical eyeglass switches panel (2.5) is provided with and the slide block (8) switching panel periphery slide rail (7) and mate, another side that rectangular optical eyeglass switches panel (2.5) is provided with tooth bar (9), the output shaft of described motor (5) is fixed with gear (14), described gear (14) engages with tooth bar (9).
7. the zoom lens of the changeable focal length of compact according to claim 3, is characterized in that: the control signal input end of described electric machine controller (6) is used for the control signal output terminal of connection control chip (10).
8. the zoom lens of the changeable focal length of compact according to claim 7, it is characterized in that: described first fixed optics eyeglass (1) is fixedly connected with peripheral base (11), described peripheral base (11) is provided with position transducer (12), the installation site that described optical mirror slip switches each eyeglass in panel (2) is equipped with the position transducer sensor block (13) corresponding with position transducer (12), the communication ends of the communication ends connection control chip (10) of position transducer (12).
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| CN201520655687.2U CN204945471U (en) | 2015-08-27 | 2015-08-27 | The zoom lens of the changeable focal length of compact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182499A (en) * | 2015-08-27 | 2015-12-23 | 启芯瑞华科技（武汉）有限公司 | Compact type focal length switchable zooming lens and zooming method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182499A (en) * | 2015-08-27 | 2015-12-23 | 启芯瑞华科技（武汉）有限公司 | Compact type focal length switchable zooming lens and zooming method |
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