CN204989609U - Dual -purpose camera lens of electric zoom 3, 000, 000 pixel day night of focus - Google Patents
Dual -purpose camera lens of electric zoom 3, 000, 000 pixel day night of focus Download PDFInfo
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- CN204989609U CN204989609U CN201520595965.XU CN201520595965U CN204989609U CN 204989609 U CN204989609 U CN 204989609U CN 201520595965 U CN201520595965 U CN 201520595965U CN 204989609 U CN204989609 U CN 204989609U
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Abstract
The utility model relates to a dual -purpose camera lens of electric zoom 3, 000, 000 pixel day night of focus, be equipped with in proper order along light from left hand right side incident direction among the optical system of camera lens the focal power before for the lens group of burden the A of group and focal power organize B after organizing for positive lens, the preceding A of group organizes after and is provided with variable light fence C between the B, the A of preceding group includes the veneer group that the burden month tooth form lens A -1, biconcave lens A -2 and the biconvex lens A -3 that set gradually from the left hand right side connect airtight, after organize B and include the biconvex lens B -1 who sets gradually from the left hand right side, burden month tooth form lens B -2, the veneer group that burden month tooth form lens B -3 and biconvex lens B -4 connect airtight, burden month tooth form lens B -5, biconvex lens B -6 organizes with the veneer that burden moon tooth form lens B -7 connects airtight, it zooms focus to use two motors to drive the camera lens respectively, realize that the camera lens zooms the upgrading of function, utilize PI location microscope base simultaneously, avoided the gear to hit the wall when rotating, cause the damage of gear, the life of camera lens has been prolonged, and small in size, more be fit for the camera assembly.
Description
Technical field
The utility model relates to monitoring camera technical field, is that a kind of power zoom focuses on three mega pixel day and night lens.
Background technology
Conventional trigger camera lens: by camera lens manual zoom, focusing, after reaching the desirable visual field of client, locking nail is locked, and zoom lens finally also just realizes the function of tight shot, and camera lens volume is large, and structure is not compact.
Utility model content
The purpose of this utility model is for above weak point, provides a kind of power zoom and focuses on three mega pixel day and night lens.
The technical solution of the utility model is, a kind of power zoom focuses on three mega pixel day and night lens, in the optical system of described camera lens, along light, incident direction is provided with focal power successively is from left to right that to organize A and focal power before negative lens set be organize B after positive lens set, be provided with iris C between described front group of A and rear group of B, before described, group A comprises the gummed group of negative selenodont lens A-1, biconcave lens A-2 and the biconvex lens A-3 contiguity set gradually from left to right; The gummed group that the gummed group that described rear group of B comprises the biconvex lens B-1 set gradually from left to right, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touches, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touch.
Further, before described, in group A, the airspace of the gummed group that negative selenodont lens A-1 and biconcave lens A-2 and biconvex lens A-3 touches is 5.867 ~ 5.870mm, the airspace of the gummed group that described biconcave lens A-2 and biconvex lens A-3 touches and iris C is 10.957 ~ 197mm, the airspace of described iris C and biconvex lens B-1 is 7.279 ~ 0.653mm, airspace between described biconvex lens B-1 and negative selenodont lens B-2 is 1.517 ~ 1.52mm, airspace between the gummed group that described negative selenodont lens B-2 and negative selenodont lens B-3 and biconvex lens B-4 touches is 0.9 ~ 0.92mm, airspace between the gummed group that described negative selenodont lens B-3 and biconvex lens B-4 touches and negative selenodont lens B-5 is 0.9 ~ 0.92mm, airspace between the gummed group that described negative selenodont lens B-5 and biconvex lens B-6 and negative selenodont lens B-7 touches is 1.37 ~ 1.372mm.
Further, the physical construction of described camera lens comprises casing, the premenstrual arrangement of mirrors seat of inner chamber of described casing is provided with lens set front group A, the inner chamber of described casing also through after arrangement of mirrors seat lens set is installed after organize B, the inner chamber of described casing is also coated and be provided with FPC flexible PCB between front group of A and rear group of B.
Further, the cohesive end of described front arrangement of mirrors seat and casing drives through motor drive mechanism A and realizes axial reciprocating slippage adjustment movement, the cohesive end of described rear arrangement of mirrors seat and casing drives through motor drive mechanism B and realizes axial reciprocating slippage adjustment movement, and the end of described casing is fixed with end cap.
Further, described motor drive mechanism A and motor drive mechanism B includes motor, the output terminal of described motor is all connected with screw rod, described screw rod is provided with and relatively can carries out the driving lever of axial slip by screw rod, described driving lever is all connected with front arrangement of mirrors seat, rear arrangement of mirrors seat, and described front arrangement of mirrors seat and rear arrangement of mirrors seat are all equipped with the guide rod led for supporting line slip of going forward side by side.
Further, the circuit block of the amount of movement for the forward and backward arrangement of mirrors seat of precise hard_drawn tuhes is also provided with in described casing, described circuit block is that PI locates microscope base, is also provided with for regulating the motor A of aperture, motor B for regulating infrared fileter to switch in described casing.
Compared with prior art, the utility model has following beneficial effect: the reasonable distribution focal power of front group of A and rear group of B in this optical system.In rear group of B, the 3rd arrangement of mirrors sheet of three-chip type structure is changed into cemented doublet group, make camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length; Camera lens uses reinforced plastic, has high strength and elasticity coefficient, high impact, serviceability temperature scope is wide, electrical specification is excellent, easily makes, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good; Use PI to locate microscope base, avoid gear and hit wall when rotation, effectively ensure that life-span and the precision of gear; Use Hall element, accurately control the rotating speed of motor, reach the size accurately controlling aperture; Build and accurate power zoom Power focus camera lens before have and significantly reduces, more conveniently to assemble with video camera.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model patent is further illustrated.
Fig. 1 is the optical system schematic diagram of this utility model;
Fig. 2 is the physical construction schematic diagram one of this utility model;
Fig. 3 is the physical construction schematic diagram two of this utility model;
Fig. 4 is the index path of generic pixel camera lens;
In figure:
Group A before A-; B is organized after B-; A-1 bears selenodont lens A-1; A-2 biconcave lens A-2; A-3 biconvex lens A-3; C-iris C; B-1 biconvex lens B-1; B-2 bears selenodont lens B-2; B-3 bears selenodont lens B-3; B-4 biconvex lens B-4; B-5 bears selenodont lens B-5; B-6 biconvex lens B-6; B-7 bears selenodont lens B-7; 1-casing; Arrangement of mirrors seat before 2-; Arrangement of mirrors seat after 3-; 4-FPC flexible PCB; 5-end cap; 6-motor; 7-screw rod; 8-driving lever; 9-guide rod; 10-circuit block; 11-motor A; 12-motor B.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in figures 1-4, a kind of power zoom focuses on three mega pixel day and night lens, in the optical system of described camera lens, along light, incident direction is provided with focal power successively is from left to right that to organize A and focal power before negative lens set be organize B after positive lens set, be provided with iris C between described front group of A and rear group of B, before described, group A comprises the gummed group of negative selenodont lens A-1, biconcave lens A-2 and the biconvex lens A-3 contiguity set gradually from left to right; The gummed group that the gummed group that described rear group of B comprises the biconvex lens B-1 set gradually from left to right, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touches, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touch.
In the present embodiment, before described, in group A, the airspace of the gummed group that negative selenodont lens A-1 and biconcave lens A-2 and biconvex lens A-3 touches is 5.867 ~ 5.870mm, the airspace of the gummed group that described biconcave lens A-2 and biconvex lens A-3 touches and iris C is 10.957 ~ 197mm, the airspace of described iris C and biconvex lens B-1 is 7.279 ~ 0.653mm, airspace between described biconvex lens B-1 and negative selenodont lens B-2 is 1.517 ~ 1.52mm, airspace between the gummed group that described negative selenodont lens B-2 and negative selenodont lens B-3 and biconvex lens B-4 touches is 0.9 ~ 0.92mm, airspace between the gummed group that described negative selenodont lens B-3 and biconvex lens B-4 touches and negative selenodont lens B-5 is 0.9 ~ 0.92mm, airspace between the gummed group that described negative selenodont lens B-5 and biconvex lens B-6 and negative selenodont lens B-7 touches is 1.37 ~ 1.372mm.
In the present embodiment, the physical construction of described camera lens comprises casing 1, the premenstrual arrangement of mirrors seat 2 of inner chamber of described casing is provided with lens set front group A, the inner chamber of described casing also through after arrangement of mirrors seat 3 lens set is installed after organize B, the inner chamber of described casing is also coated and be provided with FPC flexible PCB 4 between front group of A and rear group of B, integrated multiple plate, utilize the flexibility of FPC component, FPC component is coated on casing, decrease the space of product, be fixed by some self-tapping screws, ensure the characteristics such as the little tailored appearance of the volume of whole product is attractive in appearance.
In the present embodiment, the cohesive end of described front arrangement of mirrors seat and casing drives through motor drive mechanism A and realizes axial reciprocating slippage adjustment movement, the cohesive end of described rear arrangement of mirrors seat and casing drives through motor drive mechanism B and realizes axial reciprocating slippage adjustment movement, and the end of described casing is fixed with end cap 5.
In the present embodiment, described motor drive mechanism A and motor drive mechanism B includes motor 6, the output terminal of described motor is all connected with screw rod 7, two motors and screw rod are integrated, described screw rod is provided with and relatively can carries out the driving lever 8 of axial slip by screw rod, described driving lever is all connected with front arrangement of mirrors seat, rear arrangement of mirrors seat, and described front arrangement of mirrors seat and rear arrangement of mirrors seat are all equipped with the guide rod 9 led for supporting line slip of going forward side by side.
In the present embodiment, the circuit block 10 of the amount of movement for the forward and backward arrangement of mirrors seat of precise hard_drawn tuhes is also provided with in described casing, described circuit block is that PI locates microscope base, the precision that front group of A often walks can reach 6.25um, the precision that rear group of B often walks can reach 10um, is also provided with for regulating the motor A11 of aperture, motor B12 for regulating infrared fileter to switch in described casing.
In the present embodiment, PI is polyimide, and circuit block is polyimide plate.
In the present embodiment, the optical system of described camera lens is the optical texture of retrofocus type, described rear group of B, in the prototype of three-chip type Ke Ke type structure, changes the 3rd eyeglass as cemented doublet group into, to share the focal power of rear group, be beneficial to and improve camera lens relative aperture, be beneficial to the aberration correction of camera lens, especially the correction of wide spectral aberration, physical construction uses reinforced plastic, improve camera lens yield, rear burnt consistance, and use two motors to drive camera lens to carry out power zoom, focusing respectively.The cooperation of optics and machinery, really realizes the power zoom of 1,000,000 high definition camera lenses, focusing.
In the present embodiment, the optical system be made up of above-mentioned lens set reaches following optical index:
1, focal length: f '=3.0 ~ 10.5mm;
2, relative aperture D/F=1/1.4, field angle 2 ω: 132 ° ~ 35.5 ° (effective imaging surface n ' >=φ 6.72mm)
3, spectral range: 480nm ~ 850nm is suitable for;
4, resolution: adaptive with the high-definition camera of 3,000,000 pixels;
5, light path overall length ∑ L≤50mm.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. a power zoom focuses on three mega pixel day and night lens, it is characterized in that: in the optical system of described camera lens, along light, incident direction is provided with focal power successively is from left to right that to organize A and focal power before negative lens set be organize B after positive lens set, be provided with iris C between described front group of A and rear group of B, before described, group A comprises the gummed group of negative selenodont lens A-1, biconcave lens A-2 and the biconvex lens A-3 contiguity set gradually from left to right, described rear group of B comprises the biconvex lens B-1 set gradually from left to right, negative selenodont lens B-2, the gummed group that negative selenodont lens B-3 and biconvex lens B-4 touches, negative selenodont lens B-5, the gummed group that biconvex lens B-6 and negative selenodont lens B-7 touches, before described, in group A, the airspace of the gummed group that negative selenodont lens A-1 and biconcave lens A-2 and biconvex lens A-3 touches is 5.867 ~ 5.870mm, the airspace of the gummed group that described biconcave lens A-2 and biconvex lens A-3 touches and iris C is 10.957 ~ 197mm, the airspace of described iris C and biconvex lens B-1 is 7.279 ~ 0.653mm, airspace between described biconvex lens B-1 and negative selenodont lens B-2 is 1.517 ~ 1.52mm, airspace between the gummed group that described negative selenodont lens B-2 and negative selenodont lens B-3 and biconvex lens B-4 touches is 0.9 ~ 0.92mm, airspace between the gummed group that described negative selenodont lens B-3 and biconvex lens B-4 touches and negative selenodont lens B-5 is 0.9 ~ 0.92mm, airspace between the gummed group that described negative selenodont lens B-5 and biconvex lens B-6 and negative selenodont lens B-7 touches is 1.37 ~ 1.372mm, the physical construction of described camera lens comprises casing, the premenstrual arrangement of mirrors seat of inner chamber of described casing is provided with lens set front group A, the inner chamber of described casing also through after arrangement of mirrors seat lens set is installed after organize B, the inner chamber of described casing is also coated and be provided with FPC flexible PCB between front group of A and rear group of B, the cohesive end of described front arrangement of mirrors seat and casing drives through motor drive mechanism A and realizes axial reciprocating slippage adjustment movement, the cohesive end of described rear arrangement of mirrors seat and casing drives through motor drive mechanism B and realizes axial reciprocating slippage adjustment movement, the end of described casing is fixed with end cap, described motor drive mechanism A and motor drive mechanism B includes motor, the output terminal of described motor is all connected with screw rod, described screw rod is provided with and relatively can carries out the driving lever of axial slip by screw rod, described driving lever all with front arrangement of mirrors seat, rear arrangement of mirrors seat is connected, described front arrangement of mirrors seat and rear arrangement of mirrors seat are all equipped with the guide rod led for supporting line slip of going forward side by side, also be provided with in described casing for before precise hard_drawn tuhes, the circuit block of the amount of movement of rear arrangement of mirrors seat, described circuit block is that PI locates microscope base, the motor A for regulating aperture is also provided with in described casing, the motor B switched for regulating infrared fileter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520595965.XU CN204989609U (en) | 2015-08-10 | 2015-08-10 | Dual -purpose camera lens of electric zoom 3, 000, 000 pixel day night of focus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520595965.XU CN204989609U (en) | 2015-08-10 | 2015-08-10 | Dual -purpose camera lens of electric zoom 3, 000, 000 pixel day night of focus |
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| CN204989609U true CN204989609U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520595965.XU Active CN204989609U (en) | 2015-08-10 | 2015-08-10 | Dual -purpose camera lens of electric zoom 3, 000, 000 pixel day night of focus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022146A (en) * | 2015-08-10 | 2015-11-04 | 福建福光股份有限公司 | Electric zooming and focusing three-million-pixel day and night lens and zooming method thereof |
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- 2015-08-10 CN CN201520595965.XU patent/CN204989609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022146A (en) * | 2015-08-10 | 2015-11-04 | 福建福光股份有限公司 | Electric zooming and focusing three-million-pixel day and night lens and zooming method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |