CN203311089U - Double-component optical compensation monitor lens - Google Patents
Double-component optical compensation monitor lens Download PDFInfo
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- CN203311089U CN203311089U CN201320373012XU CN201320373012U CN203311089U CN 203311089 U CN203311089 U CN 203311089U CN 201320373012X U CN201320373012X U CN 201320373012XU CN 201320373012 U CN201320373012 U CN 201320373012U CN 203311089 U CN203311089 U CN 203311089U
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Abstract
The utility model discloses a double-component optical compensation monitor lens comprising a zooming group, the total focal power of which is positive, and a compensation group, the total focal power of which is negative. Zooming is performed by changing the relative position of the zooming group and the compensation group. The compensation group comprises a first lens which is a convex-concave negative focal power lens, a second lens which is a biconcave negative focal power lens and a third lens which is a plano-convex positive focal power lens, wherein the first, the second and the third lenses are arranged in sequence from one side of an object; and the second lens and the third lens are glued through optical cement. The zooming group comprises a fourth lens which is a biconvex positive focal power lens, a fifth lens which is a plano-convex negative focal power lens, a sixth lens which is a biconvex positive focal power lens, a seventh lens which is a biconcave negative focal power lens, an eight lens which is a biconvex positive focal power lens and a ninth lens which is a convex-concave negative focal power lens, wherein the fourth, the fifth, the sixth, the seventh, the eighth and the ninth lenses are arranged in sequence from one side of the object. Structure parameters of various lenses are reasonably set, so that the double-component optical compensation monitor lens is compact in structure, clear in imaging, and meanwhile, available focal length of the lens is wide.
Description
Technical field
The utility model relates to field of optical lens, refers to especially a kind of two constituent element optical compensation monitoring cameras.
Background technology
Increasing occasion need to be used the camera lens of different focal section to take into account closely and monitoring at a distance, and the developing direction of monitoring camera more and more trends towards miniaturization and high Qinghua, yet, tradition monitoring camera eyeglass is more, volume is larger, complex structure, and the burnt section of zoom lens is also more single, such as Chinese patent CN200510072593.3 discloses a kind of field angle, it is the zoom lens of 2W=64 °-16 °, this zoom lens comprises the first lens group of positive diopter successively, negative dioptric the second lens combination, the 3rd lens combination of positive diopter, the 4th lens combination of positive diopter and the 5th lens combination of positive diopter, this camera lens comprises 12 lens, and comprises non-spherical lens, and complicated structure, cost are high, and this camera lens only possesses long burnt.On the other hand, the monitoring at night is also more and more important, common monitoring camera is mainly for visible light condition design on daytime, can only under the visible light condition, monitor, yet the monitoring occasion had, can only be equipped with the sightless infrared light of human eye evening, because infrared light is different from visible light wavelength, and common camera lens is not considered infrared light in design, the image planes position of their imagings can be offset, infrared out of focus appears, the phenomenon showed be exactly under the infrared light condition image blur, image quality poor.In addition, it is larger that high latitude area substitutes the temperature difference season, and common lens are because the variation of temperature also easily produces the variation of refractive index and produces migration imagery.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, good imaging quality, two wide constituent element optical compensation monitoring cameras of available burnt section.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of two constituent element optical compensation monitoring cameras, comprise that total focal power is that positive zoom group and total focal power is negative compensation group, carries out zoom by the relative position that changes zoom group and compensation group; Described compensation group comprises from the second lens of the first lens of the tactic convex-concave negative power of object space one side, concave-concave negative power, the 3rd lens of convex flat positive light coke, and the second lens and the 3rd lens are bonding by optical cement; Described zoom group comprises from the 9th lens of the 7th lens of the 6th lens of the 5th lens of the 4th lens of the tactic biconvex positive light coke of object space one side, recessed flat negative power, biconvex positive light coke, concave-concave negative power, the 8th lens of biconvex positive light coke, concavo-convex negative power; The focal length of nine lens of this camera lens, refractive index reach the radius-of-curvature of totally ten eight faces and meet the following conditions respectively:
| -75.31≤f1≤-79.96 | 1.69≤n1≤1.76 | 16.893≤R1≤18.42 | 12.26≤R2≤13.49 |
| -14.31≤f2≤-15.59 | 1.6≤n2≤1.65 | -14.771≤R3≤-15.632 | 23.657≤R4≤25.112 |
| 28.111≤f3≤30.412 | 1.81≤n3≤1.85 | 23.657≤R5≤25.112 | R6=∞ |
| 9.369≤f4≤10.414 | 1.67≤n4≤1.71 | 10.883≤R7≤11.656 | -14.878≤R8≤-15.631 |
| -14.368≤f5≤-15.121 | 1.81≤n5≤1.85 | -12.121≤R9≤-13.32 | -833.112≤R10≤∞ |
| 6.132≤f6≤7.243 | 1.6≤n6≤1.65 | 7.632≤R11≤8.315 | -7.632≤R12≤-8.315 |
| -5.663≤f7≤-6.597 | 1.48≤n7≤1.52 | -7.632≤R13≤-8.315 | 5.053≤R14≤5.649 |
| 8.103≤f8≤9.221 | 1.55≤n8≤1.61 | 8.419≤R15≤9.136 | -8.219≤R16≤-9.136 |
| -10.271≤f9≤-11.341 | 1.77≤n9≤1.8 | -5.55≤R17≤-6.32 | -19.156≤R18≤-21.231 |
In upper table, " f " is focal length, and " n " is refractive index, and " R " is radius-of-curvature, and "-" number means that direction is for negative.
Further, the 6th lens of described zoom group and the 7th lens are bonding by optical cement.
Further, the 4th lens of described zoom group and the 5th lens are directly near assembling, and the 5th lens and the 6th lens are by the spacer ring close-fitting, and the 7th lens and the 8th lens are by the spacer ring close-fitting, and the 8th lens and the 9th lens are directly near assembling.
Further, the first lens of described compensation group and the second lens are by the spacer ring close-fitting.
It is that positive zoom group is negative compensation group structure with total focal power that two constituent element optical compensation monitoring cameras of the present utility model adopt total focal power, by the structure and parameter of each lens rationally is set, not only reduced the lens numbers of camera lens, simultaneously eyeglass gummed mode has also reduced installation step and consequent build-up tolerance, has realized the clear of the compactness of structure and imaging; 2W=65 °-17 ° of the field angle scopes of this camera lens, focal length zoom ratio scope are 2-6 times, and focal range is 6-22mm, and focal length has been contained short-and-medium Jiao to long burnt, available burnt section wide; Also realized that visual light imaging and near infrared imaging are confocal, made this optical compensation zoom lens without the other focusing of adjustable lens, can distinguish clear display monitoring target under the condition of visible illumination and evening Infrared irradiation by day.
The accompanying drawing explanation
Fig. 1 is the assembly drawing of each lens of two constituent element optical compensation monitoring cameras of the present utility model.
Fig. 2 is the optical system diagram of the two constituent element optical compensation monitoring cameras of Fig. 1.
The spherical aberration performance diagram of optical compensation camera lens when field angle is 62 ° that Fig. 3 provides for the first embodiment.
The aberration performance diagram of optical compensation camera lens when field angle is 62 ° that Fig. 4 provides for the first embodiment.
The curvature of field performance diagram of optical compensation camera lens when field angle is 62 ° that Fig. 5 provides for the first embodiment.
The spherical aberration performance diagram of optical compensation camera lens when field angle is 16 ° that Fig. 6 provides for the first embodiment.
The aberration performance diagram of optical compensation camera lens when field angle is 16 ° that Fig. 7 provides for the first embodiment.
The curvature of field performance diagram of optical compensation camera lens when field angle is 16 ° that Fig. 8 provides for the first embodiment.
The spherical aberration performance diagram of optical compensation camera lens when field angle is 60 ° that Fig. 9 provides for the second embodiment.
The aberration performance diagram of optical compensation camera lens when field angle is 60 ° that Figure 10 provides for the second embodiment.
The curvature of field performance diagram of optical compensation camera lens when field angle is 60 ° that Figure 11 provides for the second embodiment.
The spherical aberration performance diagram of optical compensation camera lens when field angle is 17 ° that Figure 12 provides for the second embodiment.
The aberration performance diagram of optical compensation camera lens when field angle is 17 ° that Figure 13 provides for the second embodiment.
The curvature of field performance diagram of optical compensation camera lens when field angle is 17 ° that Figure 14 provides for the second embodiment.
Embodiment
For the technical solution of the utility model can more clearly be showed, the utility model is described in further detail below in conjunction with accompanying drawing.
With reference to a kind of two constituent element optical compensation monitoring cameras illustrated in figures 1 and 2, comprise that total focal power is that positive zoom group and total focal power is negative compensation group, by the relative position that changes zoom group and compensation group, carry out zoom, the focal length zoom ratio scope of this camera lens is 2-6 times, focal range is 6-22mm, 2W=65 °-17 ° of field angle scopes.
Described compensation group comprises from the second lens L2 of the first lens L1 of the tactic convex-concave negative power of object space one side, concave-concave negative power, the 3rd lens L3 of convex flat positive light coke, first lens L1 and the second lens L2 are by the spacer ring close-fitting, and the second lens L2 and the 3rd lens L3 are bonding by optical cement.
Described zoom group comprises from the 9th lens L9 of the 7th lens L7 of the 6th lens L6 of the 5th lens L5 of the 4th lens L4 of the tactic biconvex positive light coke of object space one side, recessed flat negative power, biconvex positive light coke, concave-concave negative power, the 8th lens L8 of biconvex positive light coke, concavo-convex negative power; The 4th lens L4 and the 5th lens L5 are directly near assembling, the 5th lens L5 and the 6th lens L6 are by the spacer ring close-fitting, the 6th lens L6 and the 7th lens L7 are bonding by optical cement, and the 7th lens L7 and the 8th lens L8 are by the spacer ring close-fitting, and the 8th lens L8 and the 9th lens L9 are directly near assembling.
Embodiment mono-:
Nine lens of this camera lens are when radius-of-curvature, lens thickness, eyeglass spacing and the eyeglass refractive index of totally ten eight faces meet the following conditions respectively:
| The face sequence number | | D | n | |
| 1 | 16.933 | 1.139 | 1.69 | |
| 2 | 12.598 | 3.698 | ? | |
| 3 | -14.936 | 0.783 | 1.61 | |
| 4 | 24.984 | 1.919 | 1.84 | |
| 5 | PL | 23.04～2.68 is variable | ? | |
| Diaphragm | PL | Variable | ? | |
| 7 | 10.933 | 2.341 | 1.69 | |
| 8 | -15.211 | 0.144 | ? | |
| 9 | -12.310 | 0.815 | 1.85 | |
| 10 | -833.112 | -0.101 | ? | |
| 11 | 7.812 | 3.181 | 1.61 | |
| 12 | -7.724 | 0.943 | 1.52 | |
| 13 | 5.153 | 0.574 | ? | |
| 14 | 8.876 | 2.351 | 1.55 |
| 15 | -8.365 | 0.314 | ? |
| 16 | -5.848 | 0.958 | 1.77 |
| 17 | -19.709 | ? | ? |
In upper table, " n " is refractive index, and " R " is radius-of-curvature, and "-" number means that direction is for negative, and " PL " means plane; The cemented surface of two lens gummeds is designated as a face, the existing refractive index data n of upper table the same face sequence number and data D's, data D means the thickness at this lens axial line place, and the same face sequence number only has data D and do not have refractive index data n, data D to mean the spacing of this lens face to next lens face.
Spherical aberration, aberration and curvature of field family curve that Fig. 3 to Fig. 5 records respectively when field angle is 62 ° for this two constituent elements optical compensation monitoring camera, as can be seen from the figure, spherical aberration is controlled in positive and negative 0.05mm, Difference Control is in positive and negative 5 μ m, and the curvature of field is controlled in positive and negative 0.05mm; And spherical aberration, aberration and curvature of field family curve that Fig. 6 to Fig. 8 records respectively when field angle is 16 ° for this two constituent elements optical compensation monitoring camera, as can be seen from the figure, spherical aberration is controlled in positive and negative 0.1mm, Difference Control is in positive and negative 2 μ m, and the curvature of field is controlled in positive and negative 0.1mm; As can be seen here, spherical aberration, aberration and the curvature of field of the two constituent element optical compensation monitoring cameras that provide of the utility model the first embodiment can be controlled in less scope.
Embodiment bis-:
Nine lens of this camera lens are when radius-of-curvature, lens thickness, eyeglass spacing and the eyeglass refractive index of totally ten eight faces meet the following conditions respectively:
| The face sequence number | | D | n | |
| 1 | 18.243 | 2 | 1.76 | |
| 2 | 13.243 | 4.48 | ? | |
| 3 | -15.288 | 0.7 | 1.61 | |
| 4 | 23.897 | 1.92 | 1.85 | |
| 5 | PL | 23.04～2.68 is variable | ? | |
| Diaphragm | PL | Variable | ? | |
| 7 | 11.068 | 2.31 | 1.69 | |
| 8 | -15.208 | 0.1 | ? | |
| 9 | -12.425 | 0.7 | 1.85 | |
| 10 | PL | 0.1 | ? | |
| 11 | 7.781 | 3.34 | 1.61 | |
| 12 | -7.781 | 1.03 | 1.52 | |
| 13 | 5.268 | 0.91 | ? | |
| 14 | 8.752 | 2.48 | 1.55 | |
| 15 | -8.752 | 0.29 | ? | |
| 16 | -5.782 | 0.7 | 1.78 |
| 17 | -20.601 | ? | ? |
In upper table, " n " is refractive index, and " R " is radius-of-curvature, and "-" number means that direction is for negative, and " PL " means plane; The cemented surface of two lens gummeds is designated as a face, the existing refractive index data n of upper table the same face sequence number and data D's, data D means the thickness at this lens axial line place, and the same face sequence number only has data D and do not have refractive index data n, data D to mean the spacing of this lens face to next lens face.
Spherical aberration, aberration and curvature of field family curve that Fig. 9 to Figure 11 records respectively when field angle is 60 ° for this two constituent elements optical compensation monitoring camera, as can be seen from the figure, spherical aberration is controlled in positive and negative 0.05mm, Difference Control is in positive and negative 2 μ m, and the curvature of field is controlled in positive and negative 0.05mm; And spherical aberration, aberration and curvature of field family curve that Figure 12 to Figure 14 records respectively when field angle is 17 ° for this two constituent elements optical compensation monitoring camera, as can be seen from the figure, spherical aberration is controlled in positive and negative 0.1mm, Difference Control is in positive and negative 5 μ m, and the curvature of field is controlled in positive and negative 0.1mm; As can be seen here, spherical aberration, aberration and the curvature of field of the two constituent element optical compensation monitoring cameras that provide of the utility model the second embodiment can be controlled in less scope.
Above embodiment just is explanation rather than restriction the utility model, therefore all equivalences of doing according to the described method of the utility model patent claim change or modify, is included in the utility model patent claim.
Claims (4)
1. a constituent element optical compensation monitoring camera, is characterized in that: comprise that total focal power is that positive zoom group and total focal power is negative compensation group, carries out zoom by the relative position that changes zoom group and compensation group; Described compensation group comprises from the second lens of the first lens of the tactic convex-concave negative power of object space one side, concave-concave negative power, the 3rd lens of convex flat positive light coke, and the second lens and the 3rd lens are bonding by optical cement; Described zoom group comprises from the 9th lens of the 7th lens of the 6th lens of the 5th lens of the 4th lens of the tactic biconvex positive light coke of object space one side, recessed flat negative power, biconvex positive light coke, concave-concave negative power, the 8th lens of biconvex positive light coke, concavo-convex negative power; The focal length of nine lens of this camera lens, refractive index reach the radius-of-curvature of totally ten eight faces and meet the following conditions respectively:
In upper table, " f " is focal length, and " n " is refractive index, and " R " is radius-of-curvature, and "-" number means that direction is for negative.
2. a kind of two constituent element optical compensation monitoring cameras according to claim 1 is characterized in that: the 6th lens of described zoom group and the 7th lens are bonding by optical cement.
3. a kind of two constituent element optical compensation monitoring cameras according to claim 2, it is characterized in that: the 4th lens of described zoom group and the 5th lens are directly near assembling, the 5th lens and the 6th lens are by the spacer ring close-fitting, the 7th lens and the 8th lens are by the spacer ring close-fitting, and the 8th lens and the 9th lens are directly near assembling.
4. a kind of two constituent element optical compensation monitoring cameras according to claim 1 is characterized in that: the first lens of described compensation group and the second lens are by the spacer ring close-fitting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320373012XU CN203311089U (en) | 2013-06-26 | 2013-06-26 | Double-component optical compensation monitor lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320373012XU CN203311089U (en) | 2013-06-26 | 2013-06-26 | Double-component optical compensation monitor lens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336353A (en) * | 2013-06-26 | 2013-10-02 | 东莞市宇瞳光学科技有限公司 | Two-component optical compensation monitoring lens |
| CN106772947A (en) * | 2017-01-22 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | Big motion DV camera lenses of practising physiognomy |
| CN108873279A (en) * | 2018-07-21 | 2018-11-23 | 福建福光股份有限公司 | A kind of aspherical zoom lens of plastic cement |
| CN110174755A (en) * | 2019-06-27 | 2019-08-27 | 东莞市宇瞳光学科技股份有限公司 | A kind of zoom lens |
-
2013
- 2013-06-26 CN CN201320373012XU patent/CN203311089U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336353A (en) * | 2013-06-26 | 2013-10-02 | 东莞市宇瞳光学科技有限公司 | Two-component optical compensation monitoring lens |
| CN106772947A (en) * | 2017-01-22 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | Big motion DV camera lenses of practising physiognomy |
| CN108873279A (en) * | 2018-07-21 | 2018-11-23 | 福建福光股份有限公司 | A kind of aspherical zoom lens of plastic cement |
| CN110174755A (en) * | 2019-06-27 | 2019-08-27 | 东莞市宇瞳光学科技股份有限公司 | A kind of zoom lens |
| CN110174755B (en) * | 2019-06-27 | 2024-05-24 | 东莞市宇瞳光学科技股份有限公司 | Zoom lens |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG YUTONG OPTICAL CO., LTD. Free format text: FORMER OWNER: DONGGUAN YUTONG OPTICAL TECHNOLOGY CO., LTD. Effective date: 20140703 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140703 Address after: Changan town in Guangdong province Dongguan 523000 usha Ring Road No. 306 Long Yu Kai Dong Industrial Zone D Patentee after: GUANGDONG YUTONG OPTICAL CO., LTD. Address before: Changan town in Guangdong province Dongguan 523000 usha Ring Road No. 306 Long Yu Kai Dong Industrial Zone D Patentee before: Dongguan YuTong Optical Technology Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN YUTONG OPTICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGDONG YUTONG OPTICAL CO., LTD. Effective date: 20141103 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20141103 Address after: 523000, Changan, Dongguan Town, Guangdong province Xin'an community Tian Tian Road Hengtai Industrial Zone No. 168 Patentee after: Dongguan YuTong Optical Technology Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523000 usha Ring Road No. 306 Long Yu Kai Dong Industrial Zone D Patentee before: GUANGDONG YUTONG OPTICAL CO., LTD. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150902 |
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| RGAV | Abandon patent right to avoid regrant |