CN204287579U - Power zoom, focusing 7-22 zoom monitoring camera - Google Patents
Power zoom, focusing 7-22 zoom monitoring camera Download PDFInfo
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- CN204287579U CN204287579U CN201420795322.5U CN201420795322U CN204287579U CN 204287579 U CN204287579 U CN 204287579U CN 201420795322 U CN201420795322 U CN 201420795322U CN 204287579 U CN204287579 U CN 204287579U
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Abstract
The utility model relates to a kind of power zoom, focusing 7-22 zoom monitoring camera and control method thereof, this camera lens comprises front arrangement of mirrors seat and rear arrangement of mirrors seat, described front arrangement of mirrors seat is movably installed in front arrangement of mirrors cylinder, the front group of sector 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, be arranged with the rear cam that after driving, arrangement of mirrors seat is movable outside described rear arrangement of mirrors cylinder, described front arrangement of mirrors cylinder is connected with reducer casing respectively by two main body guide pins with rear arrangement of mirrors cylinder; Be provided with in described reducer casing and focus on stepper motor and zoom stepper motor, before described, group sector is made with and the focusing gear focusing on stepper motor output gear and be meshed, saves a large amount of human and material resources; Described focusing stepper motor and zoom stepper motor are arranged at the same side of reducer casing, solve constructive interference problem; Two stepper motor steps are 3400 steps, such that step number is many, focusing accuracy is high, rational in infrastructure and produce easily.
Description
Technical field
The utility model relates to the imaging lens device of supervisory system, particularly a kind of power zoom, focusing 7-22 zoom monitoring camera.
Background technology
Along with the fast development of science and technology, the raising gradually of people's awareness of safety, also more and more higher to the requirement of camera lens quality, as required, high strength, high impact-resistant, utilization temperature range are wide, electromechanical controls.Along with the continuous maturing of mould, camera lens is also corresponding easily by plastic.For camera lens manufacturer, the camera lens of batch production wants that consistance is good, yield is high, rear burnt consistance is good, and plastic cement is that good material is selected.
In monitoring trade, although conventional MFZ camera lens is also adopt power zoom, Power focus, its step number is few, focusing accuracy is not high, the deficiency of structure, produce the problems such as numerous and diverse.As: 1, MFZ number of motor steps 1000 step; 2, gear and the cam of focus groups that adopt of MFZ independently, is fixed as one by screw locking, a large amount of human and material resources of need; 3, focus motor and zoom motor separate both sides, and structure such as easily to interfere at the problem.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of step number is many, focusing accuracy is high, rational in infrastructure and produce and be easy to power zoom, focus on 7-22 zoom monitoring camera.
The technical solution of the utility model is a kind of power zoom, focus on 7-22 zoom monitoring camera, the physical construction of described camera lens comprises for installing front group of A front arrangement of mirrors seat and the rear arrangement of mirrors seat for installing rear group of B, described front arrangement of mirrors seat is movably installed in front arrangement of mirrors cylinder, the front group of sector 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, described front arrangement of mirrors cylinder is connected with reducer casing respectively by two main body guide pins with rear arrangement of mirrors cylinder, be provided with in described reducer casing and focus on stepper motor and zoom stepper motor, before described, group sector is made with and the focusing gear focusing on stepper motor output gear and be meshed, evenly offer three helicla flutes inside group sector before described, described front arrangement of mirrors seat has the protruding pin stretched in corresponding helicla flute, described rear cam arranged outside has the rear group of sector gear be meshed with zoom stepper motor output gear, evenly offers three helicla flutes inside described rear cam, and described rear arrangement of mirrors seat has the protruding pin stretched in corresponding helicla flute, described focusing stepper motor and zoom stepper motor are arranged at the same side of reducer casing, and two stepper motor steps are 3400 steps, and the focal length of described camera lens is 7 ~ 22mm.
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, between front group of A and rear group of B, iris C is set, before described, group A is provided with the first gummed group that negative selenodont lens A-1 and biconcave lens A-2 and negative selenodont lens A-3 touches successively, and described rear group of B is provided with biconvex lens B-1, negative selenodont lens B-2, biconvex lens B-3, the second gummed group of being touched by negative selenodont lens B-4 and biconvex lens B-5 and negative selenodont lens B-6 successively.
Further, airspace between described front group of A and rear group of B is 20.523mm, in described front group, negative airspace between selenodont lens A-1 and balsaming lens group is: 2.026mm, airspace in described front group between balsaming lens group and light hurdle C is: 12.325mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.579mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.217mm, negative airspace between selenodont lens B-2 and biconvex lens B-3 is: 1.324mm, airspace between biconvex lens B-3 and balsaming lens group is: 2.143mm, airspace between balsaming lens group and negative selenodont lens combination is: 1.370mm.
Compared with prior art, the utility model has following beneficial effect:
(1) the reasonable distribution focal power of front group of A and rear group of B in the optical texture of retrofocus type.In rear group of B, the 4th 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 nine 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 extensively, electromechanical controls for tool high strength, HI high impact, serviceability temperature scope, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good.
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: group A before A-, A-1-bears selenodont lens A-1, A-2-biconcave lens A-2, A-3-bear selenodont lens A-3, organize B B-1-biconvex lens B-1 after B-, B-2-bears selenodont lens B-2, B-3-biconvex lens B-3, B-4-bear selenodont lens B-4, B-5-biconvex lens B-5, B-6 bears selenodont lens B-6, C-iris C; Arrangement of mirrors cylinder before 1-, arrangement of mirrors seat before 2-, group sector before 3-, 4-CD-ROM drive, cam after 5-, arrangement of mirrors seat after 6-, arrangement of mirrors cylinder after 7-, 8-reducer casing, organizes sector gear after 9-.
Embodiment
As shown in Figure 1 and 2, a kind of power zoom, focus on 7-22 zoom monitoring camera, the physical construction of described camera lens comprises for installing front group of A front arrangement of mirrors seat 2 and the rear arrangement of mirrors seat 6 for installing rear group of B, described front arrangement of mirrors seat 2 is movably installed in front arrangement of mirrors cylinder 1, the front group of sector 3 that before driving, arrangement of mirrors seat 2 is movable is arranged with outside described front arrangement of mirrors cylinder 1, described rear arrangement of mirrors seat 6 is movably installed in rear arrangement of mirrors cylinder 7, the rear cam 5 that after driving, arrangement of mirrors seat 6 is movable is arranged with outside described rear arrangement of mirrors cylinder 7, described front arrangement of mirrors cylinder 1 is connected with reducer casing 8 respectively by two main body guide pins with rear arrangement of mirrors cylinder 7, be provided with in described reducer casing 8 and focus on stepper motor and zoom stepper motor, before described, group sector 3 is made with and the focusing gear focusing on stepper motor output gear and be meshed, evenly offer three helicla flutes inside group sector 3 before described, described front arrangement of mirrors seat 2 has the protruding pin stretched in corresponding helicla flute, described rear cam 5 arranged outside has the rear group of sector gear 9 be meshed with zoom stepper motor output gear, evenly offers three helicla flutes inside described rear cam 5, and described rear arrangement of mirrors seat 6 has the protruding pin stretched in corresponding helicla flute, described focusing stepper motor and zoom stepper motor are arranged at the same side of reducer casing 8, and two stepper motor steps are 3400 steps, and the focal length of described camera lens is 7 ~ 22mm.
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, between front group of A and rear group of B, iris C is set, before described, group A is provided with the first gummed group that negative selenodont lens A-1 and biconcave lens A-2 and negative selenodont lens A-3 touches successively, and described rear group of B is provided with biconvex lens B-1, negative selenodont lens B-2, biconvex lens B-3, the second gummed group of being touched by negative selenodont lens B-4 and biconvex lens B-5 and negative selenodont lens B-6 successively.
In the present embodiment, airspace between described front group of A and rear group of B is 20.523mm, in described front group, negative airspace between selenodont lens A-1 and balsaming lens group is: 2.026mm, airspace in described front group between balsaming lens group and light hurdle C is: 12.325mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.579mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.217mm, negative airspace between selenodont lens B-2 and biconvex lens B-3 is: 1.324mm, airspace between biconvex lens B-3 and balsaming lens group is: 2.143mm, airspace between balsaming lens group and negative selenodont lens combination is: 1.370mm.
In the present embodiment, the technical indicator of this camera lens realization is as follows: (1) focal length: f '=7 ~ 22mm; (2) relative aperture D/F=1/1.4; (3) field angle 2 ω: 43 ° ~ 14 ° (effective imaging surface n ' >=φ 6.674mm); (4) spectral range: 480nm ~ 850nm is suitable for; (5) resolution: adaptive with the high-definition camera of 3,000,000 pixels; (6) light path overall length ∑ L≤50mm.
Because the resolution of this camera lens is very high, and the resolution of peripheral field and central market does not allow to make a big difference, so will guarantee the accurate, steadily and good hand touch of the actions such as the concentricity of each constituent element of system and focusing in structural design.
The reasonable distribution focal power of front group of A and rear group of B in the optical system of this retrofocus type; Machine Design uses reinforced plastic (comprising lens barrel, microscope base, cam and reducer casing), improve camera lens yield, rear burnt consistance, and use two stepper 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.
The utility model upgrades to MFZ2.0 camera lens by MFZ camera lens, and MFZ2.0 camera lens step number is more than three times of MFZ, focusing accuracy is high, also improve MFZ structure deficiency, produce numerous and diverse problem, has the following advantages: two stepper motor steps are 3400 steps; The gear focused on and cam are one, a large amount of human and material resources of saving; Focusing stepper motor and zoom stepper motor are placed on the same side, solve constructive interference problem.
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 (3)
1. a power zoom, focus on 7-22 zoom monitoring camera, it is characterized in that: the physical construction of described camera lens comprises for installing front group of A front arrangement of mirrors seat and the rear arrangement of mirrors seat for installing rear group of B, described front arrangement of mirrors seat is movably installed in front arrangement of mirrors cylinder, the front group of sector 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, described front arrangement of mirrors cylinder is connected with reducer casing respectively by two main body guide pins with rear arrangement of mirrors cylinder, be provided with in described reducer casing and focus on stepper motor and zoom stepper motor, before described, group sector is made with and the focusing gear focusing on stepper motor output gear and be meshed, evenly offer three helicla flutes inside group sector before described, described front arrangement of mirrors seat has the protruding pin stretched in corresponding helicla flute, described rear cam arranged outside has the rear group of sector gear be meshed with zoom stepper motor output gear, evenly offers three helicla flutes inside described rear cam, and described rear arrangement of mirrors seat has the protruding pin stretched in corresponding helicla flute, described focusing stepper motor and zoom stepper motor are arranged at the same side of reducer casing, and two stepper motor steps are 3400 steps, and the focal length of described camera lens is 7 ~ 22mm.
2. power zoom according to claim 1, focus on 7-22 zoom monitoring camera, 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, between front group of A and rear group of B, iris C is set, before described, group A is provided with negative selenodont lens A-1 successively, and the first gummed group that biconcave lens A-2 and negative selenodont lens A-3 touches, described rear group of B is provided with biconvex lens B-1 successively, negative selenodont lens B-2, biconvex lens B-3, the second gummed group of being touched by negative selenodont lens B-4 and biconvex lens B-5, and negative selenodont lens B-6.
3. power zoom according to claim 2, focus on 7-22 zoom monitoring camera, it is characterized in that: the airspace between described front group of A and rear group of B is 20.523mm, in described front group, negative airspace between selenodont lens A-1 and balsaming lens group is: 2.026mm, airspace in described front group between balsaming lens group and light hurdle C is: 12.325mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.579mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.217mm, negative airspace between selenodont lens B-2 and biconvex lens B-3 is: 1.324mm, airspace between biconvex lens B-3 and balsaming lens group is: 2.143mm, airspace between balsaming lens group and negative selenodont lens combination is: 1.370mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795322.5U CN204287579U (en) | 2014-12-17 | 2014-12-17 | Power zoom, focusing 7-22 zoom monitoring camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795322.5U CN204287579U (en) | 2014-12-17 | 2014-12-17 | Power zoom, focusing 7-22 zoom monitoring camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287579U true CN204287579U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420795322.5U Withdrawn - After Issue CN204287579U (en) | 2014-12-17 | 2014-12-17 | Power zoom, focusing 7-22 zoom monitoring camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204287579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459933A (en) * | 2014-12-17 | 2015-03-25 | 福建福光数码科技有限公司 | Power zoom and focus 7-22 zoom monitoring lens and control method thereof |
| CN106054403A (en) * | 2015-08-14 | 2016-10-26 | 丛繁滋 | Glasses having dynamic slight defocusing and zooming functions in emmetropia direction |
-
2014
- 2014-12-17 CN CN201420795322.5U patent/CN204287579U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459933A (en) * | 2014-12-17 | 2015-03-25 | 福建福光数码科技有限公司 | Power zoom and focus 7-22 zoom monitoring lens and control method thereof |
| 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 |
| CN106054403A (en) * | 2015-08-14 | 2016-10-26 | 丛繁滋 | Glasses having dynamic slight defocusing and zooming functions in emmetropia direction |
| CN106054403B (en) * | 2015-08-14 | 2020-01-07 | 丛繁滋 | Glasses with dynamic slight defocusing and zooming functions in emmetropic direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN FORECAM CO., LTD. Free format text: FORMER NAME: FUJIAN FORECAM DIGITAL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Patentee after: FUJIAN FORECAM CO., LTD. Address before: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Patentee before: Fujian Forecam Optics Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20160824 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |