CN204832642U - Big dual -purpose camera lens of target surface high resolution day night - Google Patents

Big dual -purpose camera lens of target surface high resolution day night Download PDF

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Publication number
CN204832642U
CN204832642U CN201520502882.1U CN201520502882U CN204832642U CN 204832642 U CN204832642 U CN 204832642U CN 201520502882 U CN201520502882 U CN 201520502882U CN 204832642 U CN204832642 U CN 204832642U
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China
Prior art keywords
lens
arrangement
mirrors
seat
target
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Active
Application number
CN201520502882.1U
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Chinese (zh)
Inventor
蒋日明
辛历东
苏眉英
陈春花
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Fujian Forecam Optics Co Ltd
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Fujian Forecam Optics Co Ltd
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Priority to CN201520502882.1U priority Critical patent/CN204832642U/en
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Abstract

The utility model relates to a big dual -purpose camera lens of target surface high resolution day night, the mechanical structure of camera lens including install be used for the installation in the dustcoat before the A of group preceding arrangement of mirrors seat, organize B's back arrangement of mirrors seat and adjusting screw after being used for the installation, preceding arrangement of mirrors seat movable mounting is in a preceding arrangement of mirrors section of thick bamboo, the preceding cam of arrangement of mirrors seat back -and -forth movement before preceding arrangement of mirrors section of thick bamboo outside cover is equipped with and drives, back arrangement of mirrors seat movable mounting is in the arrangement of mirrors section of thick bamboo of back, back arrangement of mirrors section of thick bamboo outside cover is equipped with the back cam that drives back arrangement of mirrors seat back -and -forth movement, be provided with the light ring between a preceding arrangement of mirrors section of thick bamboo and the back arrangement of mirrors section of thick bamboo, cam pivoted focus runner before preceding arrangement of mirrors seat overcoat is equipped with and drives, be provided with the locking nail that is used for fixed focus position on the preceding arrangement of mirrors section of thick bamboo, adjusting screw passes the dustcoat and can drive the back cam and rotates, the utility model discloses realize manual regulation focus function, be applicable to 11.8 " big target surface CCD chip, have high resolution formation of image ability, meet the need of market.

Description

Large target surface high resolution day and night camera lens
Technical field
The utility model relates to the imaging lens device of supervisory system, particularly a kind of large target surface high resolution day and night camera lens.
Background technology
Engineering staff needs by the focus adjustment in certain limit in construction debug process, find one can make customer satisfaction system observation scope, repeatedly need not change the camera lens of different focal, this point particularly seems in the construction of other places to be needed conveniently, but the tight shot of routine only has unique focal length, for monitoring that on-the-spot ambient conditions is very inconvenient observation when very not understanding, and motorized zoom lens sexual valence is applied in the gesture can drawn a snake and add feet to it in this respect.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide one to realize manual adjustments focal length function, meets the monitoring demand of varying environment; Be applicable to 1/1.8 " large target surface CCD chip, meet the monitoring demand at super large visual angle; There is high-resolution imaging ability, meet the large target surface high resolution day and night camera lens of market high-definition monitoring demand.
The technical solution of the utility model is a kind of large target surface high resolution day and night camera lens, the physical construction of described camera lens comprises and being arranged in outer cover for arrangement of mirrors seat before group A before installing, for installing rear arrangement of mirrors seat and the adjusting screw(rod) of rear group of B, described front arrangement of mirrors seat is movably installed in front arrangement of mirrors cylinder, the front cam that before driving, arrangement of mirrors seat is movable is arranged with outside described front arrangement of mirrors cylinder, described rear arrangement of mirrors seat is movably installed in rear arrangement of mirrors cylinder, the rear cam that after driving, arrangement of mirrors seat is movable is arranged with outside described rear arrangement of mirrors cylinder, aperture is provided with between described front arrangement of mirrors cylinder and rear arrangement of mirrors cylinder, the focusing runner driving front cam to rotate is arranged with outside described front arrangement of mirrors seat, described front arrangement of mirrors cylinder is provided with the locking nail for fixed-focus position, described adjusting screw(rod) also can drive rear cam to rotate through outer cover.
Further, the optical system of described camera lens along light direction be provided with successively focal power be negative before organize A and focal power is rear group of positive B, light hurdle C is set between front group of A and rear group of B, before described, group A is provided with lens A-1, lens A-2 and lens A-3 successively, the second gummed group that described rear group of B is provided with lens B-1, lens B-2, lens B-3, the first gummed group of being touched by lens B-4 and lens B-5 successively and is touched by lens B-6 and lens B-7.
Further, airspace between described lens A-1 and lens A-2 is 4.30mm, airspace between lens A-2 and lens A-3 is 1.6mm, airspace between lens B-1 and lens B-2 is 0.60mm, airspace between lens B-3 and lens B-4 is 0.10mm, and the airspace between lens B-5 and lens B-6 is 1.00mm.
Further, be provided with spacer ring between described lens A-2 and lens A-3, described lens B-2 and lens B-3 is provided with spacer ring.
Further, described front group of A and rear group of B all adopts low dispersion, the high optical glass material reflected.
Further, described first gummed group and the second gummed group are a positive lens and glue together mutually with a negative lens.
Further, described aperture is integral type auto iris.
Compared with prior art, the utility model has following beneficial effect: realize manual adjustments focal length function, meets the monitoring demand of varying environment; Be applicable to 1/1.8 " large target surface CCD chip, meet the monitoring demand at super large visual angle; There is high-resolution imaging ability, meet market high-definition monitoring demand.
Below in conjunction with the drawings and specific embodiments, elaboration detailed is further done to the utility model.
Accompanying drawing explanation
Fig. 1 is the optical system diagram of the utility model embodiment.
Fig. 2 is the mechanical construction drawing of the utility model embodiment.
In figure: A-1-lens A-1, A-2-lens A-2, A-3-lens A-3, B-1-lens B-1, B-2-lens B-2, B-3-lens B-3, B-4-lens B-4, B-5-lens B-5, B-6-lens B-6, B-7-lens B-7, C-light hurdle C; 1-outer cover; 2-aperture; 3-spacer ring; Arrangement of mirrors seat before 4-; Arrangement of mirrors cylinder before 5-; 6-front cam; 7-locking nail; 8-focuses on runner; Arrangement of mirrors seat after 9-; Arrangement of mirrors cylinder after 10-; Cam after 11-; 12-adjusting screw(rod).
Embodiment
As shown in Figure 1 and 2, the physical construction of described camera lens comprises and being arranged in outer cover for arrangement of mirrors seat before group A before installing, for installing rear arrangement of mirrors seat and the adjusting screw(rod) of rear group of B, described front arrangement of mirrors seat is movably installed in front arrangement of mirrors cylinder, the front cam that before driving, arrangement of mirrors seat is movable is arranged with outside described front arrangement of mirrors cylinder, described rear arrangement of mirrors seat is movably installed in rear arrangement of mirrors cylinder, the rear cam that after driving, arrangement of mirrors seat is movable is arranged with outside described rear arrangement of mirrors cylinder, aperture is provided with between described front arrangement of mirrors cylinder and rear arrangement of mirrors cylinder, the focusing runner driving front cam to rotate is arranged with outside described front arrangement of mirrors seat, described front arrangement of mirrors cylinder is provided with the locking nail for fixed-focus position, described adjusting screw(rod) also can drive rear cam to rotate through outer cover.
In the present embodiment, the optical system of described camera lens along light direction be provided with successively focal power be negative before organize A and focal power is rear group of positive B, light hurdle C is set between front group of A and rear group of B, before described, group A is provided with lens A-1, lens A-2 and lens A-3 successively, the second gummed group that described rear group of B is provided with lens B-1, lens B-2, lens B-3, the first gummed group of being touched by lens B-4 and lens B-5 successively and is touched by lens B-6 and lens B-7.
In the present embodiment, airspace between described lens A-1 and lens A-2 is 4.30mm, airspace between lens A-2 and lens A-3 is 1.6mm, airspace between lens B-1 and lens B-2 is 0.60mm, airspace between lens B-3 and lens B-4 is 0.10mm, and the airspace between lens B-5 and lens B-6 is 1.00mm.
In the present embodiment, in order to ensure the airspace between eyeglass, be provided with spacer ring between described lens A-2 and lens A-3, described lens B-2 and lens B-3 is provided with spacer ring.
In the present embodiment, described front group of A and rear group of B all adopts low dispersion, the high optical glass material reflected, by area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the mtf value of camera lens at 200lp/mm, ensure the high resolving power performance of camera lens, the requirement of 6,000,000 pixel high definition video shootings can be adapted to.
In the present embodiment, described first gummed group and the second gummed group are a positive lens and glue together mutually with a negative lens, adopt two balsaming lens groups, make camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
In the present embodiment, for realizing the function of aperture, damascene structures is utilized to design, adopt integral type auto iris, significantly can optimize mounting process, while production efficiency is provided, strengthen structural stability, for meeting the how accurate the control of diaphragm needs in market, also can match P type aperture, strengthening lens imaging ability further.
In the present embodiment, optical texture utilizes the refractive index of the positive and negative eyeglass of gummed group and the difference of dispersion, the aberration of corrective lens, makes resolution of lens be less than 1% up to 6,000,000 pixels, distortion.
In the present embodiment, for realizing the function of manual focusing, devise focusing runner, with front cam by snap-fit engagement, thus front cam is driven to rotate, under the effect by straight guide groove in the CAM groove of front cam and front arrangement of mirrors cylinder, group A rectilinear motion before making, realize focusing function, be equipped with locking nail simultaneously, for fixed-focus position.
In the present embodiment, by adjuster bar, through cover structure, after driving, cam realizes anamorphosis function, outer cover 2 identifies zoom direction (T, W), is convenient to customer recognition.
In this enforcement, each lens barrel, microscope base adopt high-precision mold shaping, have both ensured the accurate of the concentricity of camera lens, precision and axial location, make again the compact conformation of camera lens, attractive in appearance as far as possible.Adopt hot melting process fixing len, devise different spacer rings simultaneously, ensure the airspace between eyeglass, thus reach high picture element, the Large visual angle angle of camera lens.
In the present embodiment, consider the aesthetic property of camera lens, focusing runner is designed with annular knurl, strengthens structural population equilibrium.
In the present embodiment, rotate by focusing on driven by rotating wheel front cam, before front cam drives, arrangement of mirrors seat moves forward and backward, realize the focusing of camera lens, focus on well by the fixing front arrangement of mirrors cylinder of locking nail, after being driven by adjusting screw(rod), cam rotates, and after front cam drives, arrangement of mirrors seat moves forward and backward, and realizes the anamorphosis function of camera lens.
In the present embodiment, the technical indicator of this camera lens realization is as follows: focal length: f '=3.6-10mm; Relative aperture D/f '=1/1.5; Horizontal field of view angle: 33 °-109 °; Resolution: the highest 6,000,000 pixels; Light path overall length ∑≤51mm; Be suitable for spectral line scope: 400nm ~ 700nm; Maximum imaging target surface reaches 1/1.8 ".
In the present embodiment, the highest 6,000,000 pixels of resolution of this kind of camera lens, the resolution in this type of market, optical center will keep the highest as far as possible, and the decay of peripheral field resolution is the least possible, and this just requires will to guarantee in structural design the accurate, steady etc. of the actions such as the concentricity of each constituent element of system and focusing.
In the present embodiment, optical system is through optimizing, and close-shot, apart from reaching 0.3m, can realize blur-free imaging relative to common zoom lens in nearer object distance.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (7)

1. a large target surface high resolution day and night camera lens, it is characterized in that: the physical construction of described camera lens comprises and being arranged in outer cover for arrangement of mirrors seat before group A before installing, for installing rear arrangement of mirrors seat and the adjusting screw(rod) of rear group of B, described front arrangement of mirrors seat is movably installed in front arrangement of mirrors cylinder, the front cam that before driving, arrangement of mirrors seat is movable is arranged with outside described front arrangement of mirrors cylinder, described rear arrangement of mirrors seat is movably installed in rear arrangement of mirrors cylinder, the rear cam that after driving, arrangement of mirrors seat is movable is arranged with outside described rear arrangement of mirrors cylinder, aperture is provided with between described front arrangement of mirrors cylinder and rear arrangement of mirrors cylinder, the focusing runner driving front cam to rotate is arranged with outside described front arrangement of mirrors seat, described front arrangement of mirrors cylinder is provided with the locking nail for fixed-focus position, described adjusting screw(rod) also can drive rear cam to rotate through outer cover.
2. large target surface high resolution day and night camera lens according to claim 1, it is characterized in that: the optical system of described camera lens along light direction be provided with successively focal power be negative before organize A and focal power is rear group of positive B, light hurdle C is set between front group of A and rear group of B, before described, group A is provided with lens A-1, lens A-2 and lens A-3 successively, the second gummed group that described rear group of B is provided with lens B-1, lens B-2, lens B-3, the first gummed group of being touched by lens B-4 and lens B-5 successively and is touched by lens B-6 and lens B-7.
3. large target surface high resolution day and night camera lens according to claim 2, it is characterized in that: the airspace between described lens A-1 and lens A-2 is 4.30mm, airspace between lens A-2 and lens A-3 is 1.6mm, airspace between lens B-1 and lens B-2 is 0.60mm, airspace between lens B-3 and lens B-4 is 0.10mm, and the airspace between lens B-5 and lens B-6 is 1.00mm.
4. large target surface high resolution day and night camera lens according to claim 2, it is characterized in that: be provided with spacer ring between described lens A-2 and lens A-3, described lens B-2 and lens B-3 is provided with spacer ring.
5. large target surface high resolution day and night camera lens according to claim 2, is characterized in that: described front group of A and rear group of B all adopts low dispersion, the high optical glass material reflected.
6. large target surface high resolution day and night camera lens according to claim 2, is characterized in that: described first gummed group and the second gummed group are a positive lens and glue together mutually with a negative lens.
7. large target surface high resolution day and night camera lens according to claim 1, is characterized in that: described aperture is integral type auto iris.
CN201520502882.1U 2015-07-14 2015-07-14 Big dual -purpose camera lens of target surface high resolution day night Active CN204832642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104965292A (en) * 2015-07-14 2015-10-07 福建福光股份有限公司 Large-target-surface and high-resolution day and night lens and use method thereof
CN105372903A (en) * 2015-12-08 2016-03-02 苏州佳像视讯科技有限公司 CCD focal distance rapid adjusting apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104965292A (en) * 2015-07-14 2015-10-07 福建福光股份有限公司 Large-target-surface and high-resolution day and night lens and use method thereof
CN105372903A (en) * 2015-12-08 2016-03-02 苏州佳像视讯科技有限公司 CCD focal distance rapid adjusting apparatus

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