CN103116210B - Power zoom, Power focus plastic cement three mega pixel day and night lens - Google Patents

Power zoom, Power focus plastic cement three mega pixel day and night lens Download PDF

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Publication number
CN103116210B
CN103116210B CN201310054392.5A CN201310054392A CN103116210B CN 103116210 B CN103116210 B CN 103116210B CN 201310054392 A CN201310054392 A CN 201310054392A CN 103116210 B CN103116210 B CN 103116210B
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China
Prior art keywords
arrangement
mirrors
lens
seat
cam
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CN201310054392.5A
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Chinese (zh)
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CN103116210A (en
Inventor
肖维军
张世忠
林平
刘任重
唐礼量
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Fujian Forecam Optics Co Ltd
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Fujian Forecam Optics Co Ltd
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Abstract

The present invention relates to a kind of power zoom, Power focus plastic cement three mega pixel day and night lens, the front arrangement of mirrors seat arranged before and after comprising and rear arrangement of mirrors seat, reducer casing is provided with on the downside of described front arrangement of mirrors seat and rear arrangement of mirrors seat joint, be combined as a whole by least two main body guide pins and front arrangement of mirrors seat and rear arrangement of mirrors seat on the upside of described reducer casing, front cam is arranged with outside described front arrangement of mirrors seat, described front arrangement of mirrors seat front end face is provided with front arrangement of mirrors cylinder, rear cam is arranged with outside described rear arrangement of mirrors seat, rear arrangement of mirrors cylinder is equipped with inside described rear arrangement of mirrors seat, A arrangement of mirrors sheet is provided with in described front arrangement of mirrors cylinder, B arrangement of mirrors sheet is vertically arranged with in described rear arrangement of mirrors cylinder.Lens opening of the present invention is large, wide-angle is open and structure length is short, correct the various aberrations of optical lens simultaneously perfectly, make the resolution of camera lens high, 3,000,000 pixel high definition requirements can be adapted to, camera lens can not only blur-free imaging under environment in the daytime, also can blur-free imaging by infrared light filling under night-environment.

Description

Power zoom, Power focus plastic cement three mega pixel day and night lens
Technical field
The present invention relates to a kind of power zoom, Power focus plastic cement three mega pixel day and night lens.
Background technology
Along with the fast development of science and technology, the raising gradually of people's awareness of safety, the requirement of lens quality quality is also improved accordingly, reinforced plastic, tool high strength and elasticity coefficient, high impact, serviceability temperature scope are wide, electrical specification is excellent, easily moulded and make, and the consistance of camera lens batch production being good, yield is high, rear burnt consistance is good, is that good material is selected.
In monitoring trade, after conventional trigger camera lens reaches the desirable visual field of client by camera lens manual zoom, focusing, locking nail is locked, and zoom lens finally also just realizes the function of tight shot.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of power zoom, Power focus plastic cement three mega pixel day and night lens.
To achieve these goals, technical scheme of the present invention is: a kind of power zoom, Power focus plastic cement three mega pixel day and night lens, the front arrangement of mirrors seat arranged before and after comprising and rear arrangement of mirrors seat, reducer casing is provided with on the downside of described front arrangement of mirrors seat and rear arrangement of mirrors seat joint, be combined as a whole by least two main body guide pins and front arrangement of mirrors seat and rear arrangement of mirrors seat on the upside of described reducer casing, front cam is arranged with outside described front arrangement of mirrors seat, described front arrangement of mirrors seat front end face is provided with front arrangement of mirrors cylinder, rear cam is arranged with outside described rear arrangement of mirrors seat, rear arrangement of mirrors cylinder is equipped with inside described rear arrangement of mirrors seat, A arrangement of mirrors sheet is provided with in described front arrangement of mirrors cylinder, B arrangement of mirrors sheet is vertically arranged with in described rear arrangement of mirrors cylinder, its principle of work is as follows: light is transmitted to imaging in B arrangement of mirrors sheet through A arrangement of mirrors sheet, when needs adjusting focal length, external signal controls wheel box, front cam is moved relative to front arrangement of mirrors seat, simultaneously, cam moves relative to rear arrangement of mirrors seat, adjust the spacing of front arrangement of mirrors cylinder and rear arrangement of mirrors cylinder, thus reach the distance of adjustment A arrangement of mirrors sheet and B arrangement of mirrors sheet, the Power focus of camera lens is realized with this, zoom.
Further, described reducer casing comprise be arranged on left end on the downside of rear cam the first stepper motor and front cam on the downside of the second stepper motor of right-hand member, described rear cam arranged outside has the rear group of sector gear be connected with the first stepper motor, to change the position of rear arrangement of mirrors cylinder and B arrangement of mirrors sheet; Described front cam arranged outside have be connected with the second stepper motor before organize sector gear, before described, group sector gear is connected with front cam by bolt, spiral groove is offered inside described front cam, described front arrangement of mirrors seat arranged outside has the helical orbit corresponding with spiral groove, to realize the movable focusing of front cam, and then change the position of front arrangement of mirrors cylinder and A arrangement of mirrors sheet; Described first stepper motor and the second stepper motor are controlled by external drive signal, more specifically, are accurately controlled by rear end communications protocol software simulating remote electric.
Further, the gummed group that described A arrangement of mirrors sheet is touched by the negative selenodont lens A-1 laterally set gradually and biconcave lens A-2 and biconvex lens A-3 is formed, the gummed group that gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches that described B arrangement of mirrors sheet is touched by the biconvex lens B-1 laterally set gradually, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 is formed, 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.
Further, in the middle part of described front arrangement of mirrors seat, light hurdle is set, described smooth hurdle central shaft is that A arrangement of mirrors sheet and the B arrangement of mirrors plate curvature line of centres are formed, because the resolution of this camera lens is very high, and the resolution of peripheral field and central vision does not allow to make a big difference, so the accurate, steadily and good hand touch of the actions such as the concentricity of each constituent element of system and focusing will be guaranteed in structural design.
Further, the interval between described A arrangement of mirrors sheet and B arrangement of mirrors sheet is: 20.236mm; In described A arrangement of mirrors sheet, the airspace of negative selenodont lens A-1 and biconcave lens A-2 is: 5.867mm; Airspace in described A arrangement of mirrors sheet between biconvex lens A-3 and light hurdle is: 13.957mm; Airspace in described B arrangement of mirrors sheet between light hurdle and biconvex lens B-1 is: 6.279mm; Airspace between described biconvex lens B-1 and negative selenodont lens B-2 is 1.517mm; Airspace between described negative selenodont lens B-2 and negative selenodont lens B-3 is: 0.900mm; Airspace between described biconvex lens B-4 and negative selenodont lens B-5 is: 0.900mm; Airspace between described negative selenodont lens B-5 and biconvex lens B-6 is: 1.370mm.
Further, spacer ring is provided with between described negative selenodont lens B-2 and negative selenodont lens B-3 outer rim, spacer ring is provided with between described biconvex lens B-4 and negative selenodont lens B-5 outer rim, described spacer ring inner peripheral surface is provided with delustring line, the impact of light path on parasitic light of camera lens is more responsive, do the process of delustring line for the inwall of this problem to spacer ring, increase the area thus the impact reducing parasitic light that receive parasitic light.
Further, described front arrangement of mirrors seat, rear arrangement of mirrors seat, front cam and rear cam material are reinforced plastic, tool high strength and elasticity coefficient, high impact, serviceability temperature scope are wide, electrical specification is excellent, easily moulded and make, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good.
The present invention has the following advantages:
1. the reasonable distribution focal power of A arrangement of mirrors sheet and B arrangement of mirrors sheet in the optical texture of this retrofocus type.In B arrangement of mirrors sheet, 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;
2., by the optical glass material of reasonable selection forward and backward two groups ten seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the resolution of camera lens high, the requirement of 3,000,000 pixel high definition video shootings can be adapted to;
3. when optical design, aberration correction and balance are carried out to the wide spectral range of 480nm ~ 850nm, make camera lens have excellent picture element at wide spectral range, achieve wide spectral confocal.Camera lens can not only blur-free imaging under photoenvironment in the daytime, night pole low-light (level) or zero illumination environment under also can blur-free imaging by infrared light filling, the monitoring continuously that achieves 24 hours, and when day and night switching not defocusing, focus without the need to scene;
4. camera lens uses reinforced plastic, and tool high strength and elasticity coefficient, high impact, serviceability temperature scope are wide, and electrical specification is excellent, is easily moulded and makes, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good.
Accompanying drawing explanation
Fig. 1 is the structure front view of the embodiment of the present invention.
Fig. 2 is the structural side view of the embodiment of the present invention.
Fig. 3 is the structure rear view of the embodiment of the present invention.
Fig. 4 is the B-B sectional view of Fig. 1.
Fig. 5 is the index path of the embodiment of the present invention.
In figure: 1-first stepper motor, 2-second stepper motor, group sector gear before 3-, sector gear is organized, 5-bolt, 6-main body guide pin after 4-, 7-front cam, cam after 8-, arrangement of mirrors cylinder before 9-, arrangement of mirrors seat before 10-, arrangement of mirrors seat after 11-, arrangement of mirrors cylinder after 12-, A-1-bears selenodont lens, A-2-biconcave lens, A-3-biconvex lens, B-1-biconvex lens, B-2-bears selenodont lens, B-3-bears selenodont lens, B-4-biconvex lens, B-5-bears selenodont lens, B-6-biconvex lens, B-7-bears selenodont lens, C-light hurdle.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further elaborated.
With reference to figure 1, Fig. 2 and Fig. 3, a kind of power zoom, Power focus plastic cement three mega pixel day and night lens, the front arrangement of mirrors seat 10 arranged before and after comprising and rear arrangement of mirrors seat 11, reducer casing is provided with on the downside of described front arrangement of mirrors seat 10 and rear arrangement of mirrors seat 11 joint, be combined as a whole by least two main body guide pins 6 and front arrangement of mirrors seat 10 and rear arrangement of mirrors seat 11 on the upside of described reducer casing, front cam 7 is arranged with outside described front arrangement of mirrors seat 10, described front arrangement of mirrors seat 10 front end face is provided with front arrangement of mirrors cylinder 9, rear cam 8 is arranged with outside described rear arrangement of mirrors seat 11, rear arrangement of mirrors cylinder 12 is equipped with inside described rear arrangement of mirrors seat 11, A arrangement of mirrors sheet is provided with in described front arrangement of mirrors cylinder 9, B arrangement of mirrors sheet is vertically arranged with in described rear arrangement of mirrors cylinder 12, its principle of work is as follows: light is transmitted to imaging in B arrangement of mirrors sheet through A arrangement of mirrors sheet, when needs adjusting focal length, external signal controls wheel box, front cam 7 is moved relative to front arrangement of mirrors seat 10, simultaneously, cam 8 moves relative to rear arrangement of mirrors seat, adjust the spacing of front arrangement of mirrors cylinder 9 and rear arrangement of mirrors cylinder 12, thus reach the distance of adjustment A arrangement of mirrors sheet and B arrangement of mirrors sheet, the Power focus of camera lens is realized with this, zoom, refer to Fig. 4.
With reference to figure 1 and Fig. 3, in the present embodiment, described reducer casing comprise be arranged on left end on the downside of rear cam 8 the first stepper motor 1 and front cam 7 on the downside of the second stepper motor 2 of right-hand member, described rear cam 8 arranged outside has the rear group of sector gear 4 be connected with the first stepper motor 1, to change the position of rear arrangement of mirrors cylinder 12 and B arrangement of mirrors sheet; Described front cam 7 arranged outside have be connected with the second stepper motor 2 before organize sector gear 3, before described, group sector gear 3 is connected with front cam 7 by bolt 5, spiral groove is offered inside described front cam 7, described front arrangement of mirrors seat 10 arranged outside has the helical orbit corresponding with spiral groove, to realize the movable focusing of front cam 7, and then change the position of front arrangement of mirrors cylinder 9 and A arrangement of mirrors sheet; Described first stepper motor 1 and the second stepper motor 2 are controlled by external drive signal, more specifically, are accurately controlled by rear end communications protocol software simulating remote electric.
With reference to figure 5, in the present embodiment, the gummed group that described A arrangement of mirrors sheet is touched by the negative selenodont lens A-1 laterally set gradually and biconcave lens A-2 and biconvex lens A-3 is formed, described B arrangement of mirrors sheet is by the biconvex lens B-1 laterally set gradually, negative selenodont lens B-2, the gummed group that negative selenodont lens B-3 and biconvex lens B-4 touches is formed, negative selenodont lens B-5, the gummed group that biconvex lens B-6 and negative selenodont lens B-7 touches is formed, 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.
In the present embodiment, in the middle part of described front arrangement of mirrors seat, light hurdle C is set, described smooth hurdle C central shaft is that A arrangement of mirrors sheet and the B arrangement of mirrors plate curvature line of centres are formed, because the resolution of this camera lens is very high, and the resolution of peripheral field and central vision does not allow to make a big difference, so the accurate, steadily and good hand touch of the actions such as the concentricity of each constituent element of system and focusing will be guaranteed in structural design.
In the present embodiment, the interval between described A arrangement of mirrors sheet and B arrangement of mirrors sheet is: 20.236mm; In described A arrangement of mirrors sheet, the airspace of negative selenodont lens A-1 and biconcave lens A-2 is: 5.867mm; Airspace in described A arrangement of mirrors sheet between biconvex lens A-3 and light hurdle C is: 13.957mm; Airspace in described B arrangement of mirrors sheet between light hurdle C and biconvex lens B-1 is: 6.279mm; Airspace between described biconvex lens B-1 and negative selenodont lens B-2 is 1.517mm; Airspace between described negative selenodont lens B-2 and negative selenodont lens B-3 is: 0.900mm; Airspace between described biconvex lens B-4 and negative selenodont lens B-5 is: 0.900mm; Airspace between described negative selenodont lens B-5 and biconvex lens B-6 is: 1.370mm.
With reference to figure 4, in the present embodiment, spacer ring is provided with between described negative selenodont lens B-2 and negative selenodont lens B-3 outer rim, spacer ring is provided with between described biconvex lens B-4 and negative selenodont lens B-5 outer rim, described spacer ring inner peripheral surface is provided with delustring line, the impact of light path on parasitic light of camera lens is more responsive, has done the process of delustring line for the inwall of this problem to spacer ring, increases the area thus the impact reducing parasitic light that receive parasitic light.
In the present embodiment, described front arrangement of mirrors seat 10, rear arrangement of mirrors seat 11, front cam 7 and rear cam 8 material are reinforced plastic, tool high strength and elasticity coefficient, high impact, serviceability temperature scope are wide, electrical specification is excellent, easily moulded and make, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (6)

1. a power zoom, Power focus plastic cement three mega pixel day and night lens, the front arrangement of mirrors seat arranged before and after comprising and rear arrangement of mirrors seat, it is characterized in that, reducer casing is provided with on the downside of described front arrangement of mirrors seat and rear arrangement of mirrors seat joint, be combined as a whole by least two main body guide pins and front arrangement of mirrors seat and rear arrangement of mirrors seat on the upside of described reducer casing, front cam is arranged with outside described front arrangement of mirrors seat, described front arrangement of mirrors seat front end face is provided with front arrangement of mirrors cylinder, rear cam is arranged with outside described rear arrangement of mirrors seat, rear arrangement of mirrors cylinder is equipped with inside described rear arrangement of mirrors seat, A arrangement of mirrors sheet is provided with in described front arrangement of mirrors cylinder, the gummed group that described A arrangement of mirrors sheet is touched by the negative selenodont lens A-1 laterally set gradually and biconcave lens A-2 and biconvex lens A-3 is formed, B arrangement of mirrors sheet is vertically arranged with in described rear arrangement of mirrors cylinder, described B arrangement of mirrors sheet is by the biconvex lens B-1 laterally set gradually, negative selenodont lens B-2, the gummed group that negative selenodont lens B-3 and biconvex lens B-4 touches is formed, negative selenodont lens B-5, the gummed group that biconvex lens B-6 and negative selenodont lens B-7 touches is formed.
2. power zoom according to claim 1, Power focus plastic cement three mega pixel day and night lens, it is characterized in that, described reducer casing comprise be arranged on left end on the downside of rear cam the first stepper motor and front cam on the downside of the second stepper motor of right-hand member, described rear cam arranged outside has the rear group of sector gear be connected with the first stepper motor, described front cam arranged outside have be connected with the second stepper motor before organize sector gear, before described, group sector gear is connected with front cam by bolt, spiral groove is offered inside described front cam, described front arrangement of mirrors seat arranged outside has the helical orbit corresponding with spiral groove, to realize the movable focusing of front cam, described first stepper motor and the second stepper motor are controlled by external drive signal.
3. power zoom according to claim 1, Power focus plastic cement three mega pixel day and night lens, is characterized in that, arranges light hurdle in the middle part of described front arrangement of mirrors seat, and described smooth hurdle central shaft is that A arrangement of mirrors sheet and the B arrangement of mirrors plate curvature line of centres are formed.
4. power zoom according to claim 3, Power focus plastic cement three mega pixel day and night lens, is characterized in that: the interval between described A arrangement of mirrors sheet and B arrangement of mirrors sheet is: 20.236mm; In described A arrangement of mirrors sheet, the airspace of negative selenodont lens A-1 and biconcave lens A-2 is: 5.867mm; Airspace in described A arrangement of mirrors sheet between biconvex lens A-3 and light hurdle is: 13.957mm; Airspace in described B arrangement of mirrors sheet between light hurdle and biconvex lens B-1 is: 6.279mm; Airspace between described biconvex lens B-1 and negative selenodont lens B-2 is 1.517mm; Airspace between described negative selenodont lens B-2 and negative selenodont lens B-3 is: 0.900mm; Airspace between described biconvex lens B-4 and negative selenodont lens B-5 is: 0.900mm; Airspace between described negative selenodont lens B-5 and biconvex lens B-6 is: 1.370mm.
5. power zoom according to claim 1, Power focus plastic cement three mega pixel day and night lens, it is characterized in that, spacer ring is provided with between described negative selenodont lens B-2 and negative selenodont lens B-3 outer rim, be provided with spacer ring between described biconvex lens B-4 and negative selenodont lens B-5 outer rim, described spacer ring inner peripheral surface is provided with delustring line.
6. power zoom according to claim 1, Power focus plastic cement three mega pixel day and night lens, is characterized in that, described front arrangement of mirrors seat, rear arrangement of mirrors seat, front cam and rear cam material are reinforced plastic.
CN201310054392.5A 2013-02-20 2013-02-20 Power zoom, Power focus plastic cement three mega pixel day and night lens Active CN103116210B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459933B (en) * 2014-12-17 2016-08-24 福建福光股份有限公司 Power zoom, focusing 7-22 zoom monitoring camera and control method thereof
CN104459962B (en) * 2014-12-17 2016-09-21 福建福光股份有限公司 Electronic 2.8-12 zoom, Power focus monitoring camera and control method thereof
CN104459934A (en) * 2014-12-18 2015-03-25 福建福光数码科技有限公司 High-definition electric zoom and focusing monitoring lens and control method thereof

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CN201909883U (en) * 2010-12-14 2011-07-27 福建天健安防科技有限公司 3.5-8mm high-resolution automatic iris zoom lens with all-plastic shell
CN201974569U (en) * 2011-03-10 2011-09-14 厦门力鼎光电技术有限公司 Adjustable synchronously-focusing lens
CN203178550U (en) * 2013-02-20 2013-09-04 福建福光数码科技有限公司 Electric-zooming and electric-focusing whole plastic 3 megapixel day and night lens

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Publication number Priority date Publication date Assignee Title
JP2012032701A (en) * 2010-08-02 2012-02-16 Canon Inc Lens barrel and imaging apparatus
JP5665414B2 (en) * 2010-08-16 2015-02-04 キヤノン株式会社 Lens barrel and imaging device
JP2012137617A (en) * 2010-12-27 2012-07-19 Canon Inc Lens barrel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201909883U (en) * 2010-12-14 2011-07-27 福建天健安防科技有限公司 3.5-8mm high-resolution automatic iris zoom lens with all-plastic shell
CN201974569U (en) * 2011-03-10 2011-09-14 厦门力鼎光电技术有限公司 Adjustable synchronously-focusing lens
CN203178550U (en) * 2013-02-20 2013-09-04 福建福光数码科技有限公司 Electric-zooming and electric-focusing whole plastic 3 megapixel day and night lens

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