CN204044431U - A kind of compound lens optical imaging device - Google Patents
A kind of compound lens optical imaging device Download PDFInfo
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- CN204044431U CN204044431U CN201420316814.1U CN201420316814U CN204044431U CN 204044431 U CN204044431 U CN 204044431U CN 201420316814 U CN201420316814 U CN 201420316814U CN 204044431 U CN204044431 U CN 204044431U
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Abstract
The utility model discloses a kind of compound lens optical imaging device, comprise complex imaging lens and be arranged on the electrooptical device on described complex imaging lens focal plane, described complex imaging lens comprise beam incident optical workplace and outgoing optics workplace, described beam incident optical workplace is rearranged by some convex lens gaplesss protruded towards object space, and the processing datum of described beam incident optical workplace is free form surface; Described outgoing optics workplace is smooth surface.A kind of compound lens optical imaging device of the present utility model has the features such as system is simple, system imaging field angle is large, optical imagery aberration is little, Depth of field is long, incident field is unobstructed, the efficiency of light energy utilization is high, effective optics workplace filling rate is high, imaging system builds flexibly, usable range is extensive.
Description
Technical field
The utility model relates to a kind of optical imaging device, a particularly compound lens optical imaging device, is mainly used in the optical imagery in the fields such as optical imagery, optical detection, Photoelectric Detection, optical microphotograph, optical manufacturing, image acquisition, video analysis, monitoring security protection.
Background technology
Optical imaging system is divided into active imaging system and passive imaging system; Direct-view imaging system and look imaging system; Low Light Level Imaging System and infrared imaging system etc. sorting technique.Any imaging system all will have corresponding optical system Scenery Imaging on photelectric receiver, so optical system is an important component part of whole imaging system, and has extremely important impact to the performance of whole system.
In first technology, there is optical imaging device, common device is as first-class in camera, monitoring camera, small-sized image pickup, certainly the small-sized image pickup head on computer and mobile phone is also comprised, these common optical imaging devices are that thing full width face is transformed into picture plane by optical system, opto-electronic conversion is carried out by two-dimension photoelectric sensor, although have certain advantage, but exist obviously not enough: system imaging field angle is little, optical imagery aberration is comparatively large, Depth of field is short, and is fundamentally difficult to the three-dimensional information extracting imaging object.In order to overcome the deficiency of above-mentioned traditional optical imaging device, compound eye structural is incorporated into optical imaging system by bionics, simple eyely to form by tens thousand of, the eyes of such as dragonfly and fly, its advantage is the azimuth-range that effectively can calculate self and observed object, thus make and judge by being beneficial to compound eye class insect faster and react, fly's-eye lens is combined to form by a series of lenslet, double fly eye lens array is applied to illuminator and can obtains the high efficiency of light energy utilization and large-area Uniform Illumination.See U.S. Patent, patent publication No.: US2007/0097512A1, time of disclosure is (May3 on May 3rd, 2007, 2007), patent name: Compound-eye imaging device, translating into Chinese is compound eye image device, this has certain advantage in first technology, but it is not enough still to there are some essence: each unit convex lens of fly's-eye lens become array distribution, a fixed gap is there is between unit convex lens, this causes the space between unit convex lens to be blocked imaging beam existence, not only cause the low filling rate of effective optics workplace of overall optical imaging system, simultaneously influential system image quality to a great extent, the incident side of the light field of fly's-eye lens is provided with optical baffle, and between fly's-eye lens and sensor, be also provided with optical baffle, such design affects the efficiency of light energy utilization further, causes system architecture complicated, require in this patent the 1st claims that the optical baffle plane orthogonal arranged between fly's-eye lens and sensor is in the optical axis of each unit convex lens, this just requires that each unit convex lens optical axis is parallel to each other, such arrangement largely defines optical system and forms, and do not correct in order to system aberration, cause entire system quality of optical imaging not high successively, restraint device usage range.
Utility model content
The purpose of this utility model is the deficiency for above-mentioned technology, features such as complex imaging optics of lens imaging device being provided, system is simple, system imaging field angle is large, optical imagery aberration is little, Depth of field is long, incident field is unobstructed, the efficiency of light energy utilization is high, effective optics workplace filling rate is high, imaging system builds flexibly, usable range is extensive.
A kind of compound lens optical imaging device, comprise complex imaging lens and be arranged on the electrooptical device on described complex imaging lens focal plane, described complex imaging lens comprise beam incident optical workplace and outgoing optics workplace, described beam incident optical workplace is rearranged by some convex lens gaplesss protruded towards object space, and the processing datum of described beam incident optical workplace is free form surface; Described outgoing optics workplace is smooth surface.
A kind of compound lens optical imaging device basic conception of the present utility model is: utilize bionic compound eyes image-forming principle, the beam incident optical workplace of complex imaging lens builds the convex lens of multiple gapless arrangement, according to the optical axis direction of embody rule setting beam incident optical workplace, outgoing optics workplace and each convex lens; Electrooptical device is arranged on complex imaging lens focal plane, makes imaging beam focus to imaging in electrooptical device.Wherein, the arrangement of the gapless of convex lens makes complex imaging lens can collect more object space imaging beam, increases system imaging field angle, also achieve simultaneously incident field unobstructed, improve the efficiency of light energy utilization; The optical axis direction of beam incident optical workplace, outgoing optics workplace and each convex lens can set according to embody rule that this feature reduces the aberration of whole imaging system, extended depth of field, imaging system build flexibly, usable range is extensive.
As preferably, described convex lens are the one of spherical lens, conical surface lens, Fresnel Lenses.Spherical lens, conical surface lens and Fresnel Lenses are conventional imaging len, and process technology is ripe.
As preferably, described outgoing optics workplace is the one of polynomial surface, parabola, ellipsoid.Polynomial surface, parabola and ellipsoid are conventional imaging len, and process technology is ripe.
As preferably, the intersecting lens composition hexagon between described convex lens.Namely the pattern that during convex lens arrangement, intersecting lens is each other formed is hexagon (honeycomb pattern), and when arrange by this pattern, arrangement closely, the effective rate of utilization of raising beam incident optical workplace.
Compared with prior art, advantage of the present utility model:
1) in first technology, system imaging field angle is little, optical imagery aberration is comparatively large, Depth of field is short, the utility model utilizes bionic compound eyes image-forming principle, beam incident optical workplace builds the multiple convex lens of gapless, form complex imaging lens, imaging system has the features such as system is simple, system imaging field angle is large, optical imagery aberration is little, Depth of field is long;
2) with adopts equally compound eye principle compared with the first technology, also eliminate and be provided with optical baffle in the incident side of the light field of fly's-eye lens and be also provided with optical baffle between fly's-eye lens and sensor, realize system simplification further; Free-form surface lens substrate builds the multiple unit convex lens of gapless, achieves that incident field is unobstructed, the efficiency of light energy utilization is high, effective optics workplace filling rate is high, imaging system builds flexibly, usable range feature widely;
3) complex imaging lens substrate curved surface of the present utility model freely, and in conjunction with continuously every convex lens, the imaging light field exit facet of complex imaging lens also can for being curved surface according to application settings, and do not limit each unit convex lens optical axis to be parallel to each other, such system can realize good optical aberration correction, realize high imaging quality imaging, expand system usable range.
Accompanying drawing explanation
Fig. 1 is a kind of compound lens optical imaging device structural representation of the utility model embodiment;
Fig. 2 is the complex imaging lens vertical view of a kind of compound lens optical imaging device of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Be illustrated in figure 1 a kind of compound lens optical imaging device structural representation of the utility model embodiment, a kind of compound lens optical imaging device, complex imaging lens 1 and two-dimension photoelectric sensor 2, complex imaging lens 1 are a transmission-type single optical element, the beam incident optical workplace 101 of the incident side of imaging light field of complex imaging lens 1 is spliced to form for the multiple unit convex lens of gapless, the processing datum of the optics workplace of multiple unit convex lens is free form surface, the outgoing optics workplace 102 of the imaging light field outgoing side of complex imaging lens 1 is also curved surface, the focal plane of complex imaging lens 1 is provided with two-dimension photoelectric sensor 2.
In the present embodiment, complex imaging lens 1 are a transmission-type single optical element, material adopts K9 glass, peripheral diameter adopts 2 inches, the reference field of beam incident optical workplace 101 is parabolic surface, the multiple unit convex lens of gapless of beam incident optical workplace 101 to be element diameter the be parabolic surface of 1/4th inches, outgoing optics workplace 102 is sphere, recessed inside complex imaging lens 1, two-dimension photoelectric sensor 2 adopts complementary metal oxide semiconductor (CMOS) electric transducer, is exactly common cmos sensor.Fig. 2 is the complex imaging lens vertical view of the utility model embodiment, and its shape is honeycomb pattern.Fig. 1 is the sectional view along A1A2 line direction, complex imaging lens being carried out to cutting in fig. 2.
The course of work of the present utility model is: the light field that the thing of required imaging sends incides on complex imaging lens 1, the beam incident optical workplace 101 of complex imaging lens 1 is towards object space, the multiple unit convex lens of gapless on the beam incident optical workplace 101 of complex imaging lens 1, at the outgoing optics workplace 102 through complex imaging lens 1, be imaged on two-dimension photoelectric sensor 2 and be embodied as picture, beam incident optical workplace 101 is provided with the multiple unit convex lens of gapless, each unit convex lens all carry out imaging to incident field, what two-dimension photoelectric sensor 2 became similarly is the splicings organizing picture more, this device not only can complete conventional imaging, the three-dimensional information of observed thing can also be obtained according to different units convex lens.The utility model has the features such as system is simple, system imaging field angle is large, optical imagery aberration is little, Depth of field field, incident field is unobstructed, the efficiency of light energy utilization is high, effective optics workplace filling rate is high, imaging system builds flexibly, usable range is extensive.
Above-described embodiment has been described in detail the technical solution of the utility model and beneficial effect; be understood that and the foregoing is only most preferred embodiment of the present utility model; be not limited to the utility model; all make in spirit of the present utility model any amendment, supplement and equivalent to replace, all should be included within protection domain of the present utility model.
Claims (4)
1. a compound lens optical imaging device, comprise complex imaging lens and be arranged on the electrooptical device on described complex imaging lens focal plane, it is characterized in that, described complex imaging lens comprise beam incident optical workplace and outgoing optics workplace, described beam incident optical workplace is rearranged by some convex lens gaplesss protruded towards object space, and the processing datum of described beam incident optical workplace is free form surface; Described outgoing optics workplace is smooth surface.
2. a kind of compound lens optical imaging device according to claim 1, is characterized in that, described convex lens are the one of spherical lens, conical surface lens, Fresnel Lenses.
3. a kind of compound lens optical imaging device according to claim 1, is characterized in that, described outgoing optics workplace is the one of polynomial surface, parabola, ellipsoid.
4. a kind of compound lens optical imaging device according to claim 1, is characterized in that, the phase intersecting lens composition hexagon between described convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316814.1U CN204044431U (en) | 2014-06-10 | 2014-06-10 | A kind of compound lens optical imaging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420316814.1U CN204044431U (en) | 2014-06-10 | 2014-06-10 | A kind of compound lens optical imaging device |
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| CN204044431U true CN204044431U (en) | 2014-12-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601871A (en) * | 2015-02-16 | 2015-05-06 | 杭州清渠科技有限公司 | Image acquiring method based on fly-eye lens |
| CN109634050A (en) * | 2018-12-12 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of frame imaging method and its application based on lopsided lens |
-
2014
- 2014-06-10 CN CN201420316814.1U patent/CN204044431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601871A (en) * | 2015-02-16 | 2015-05-06 | 杭州清渠科技有限公司 | Image acquiring method based on fly-eye lens |
| CN109634050A (en) * | 2018-12-12 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of frame imaging method and its application based on lopsided lens |
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| DD01 | Delivery of document by public notice |
Addressee: Hangzhou Qing Qu Science and Technology Ltd. Document name: Notification to Go Through Formalities of Registration |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Hangzhou Qing Qu Science and Technology Ltd. Document name: Notification to Pay the Fees |
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| CP02 | Change in the address of a patent holder |
Address after: Hangzhou City, Zhejiang province 310018 Fred economic and Technological Development Zone Plaza 1-3-1003 Patentee after: Hangzhou Qing Qu Science and Technology Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Hangzhou Dianzi University, Zhejiang Venture Park, No. 519 Patentee before: Hangzhou Qing Qu Science and Technology Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20180610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |