CN203740139U - Camera assembly of multi-camera-lens aerial photography stabilized platform - Google Patents
Camera assembly of multi-camera-lens aerial photography stabilized platform Download PDFInfo
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- CN203740139U CN203740139U CN201420044897.3U CN201420044897U CN203740139U CN 203740139 U CN203740139 U CN 203740139U CN 201420044897 U CN201420044897 U CN 201420044897U CN 203740139 U CN203740139 U CN 203740139U
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Abstract
The utility model discloses a camera assembly of a multi-camera-lens aerial photography stabilized platform. The camera assembly comprises a downward-looking camera and four side-looking cameras, wherein the downward-looking camera is arranged in the aerial photography stabilized platform, the axis of the camera lens of the downward-looking camera is perpendicular to the flight plane, an included angle is formed between the axis of the camera lens of each side-looking camera and the downward-looking assembly, the four side-looking cameras are distributed around the downward-looking camera with the downward-looking camera serving as the center point, and the side-looking cameras are sequentially connected to form a parallelogram or a trapezoid with each side-looking camera serving as a coordinate point. The camera assembly can shoot different plane states and meet different shoot requirements.
Description
Technical field
The utility model relates to a kind of three axle gyros platform of taking photo by plane, and particularly relates to a kind of photomoduel of many camera lenses aerial photography stable platform.
Background technology
Unmanned plane low-altitude remote sensing system is on the basis of realizing Imagery Map, to the special field development of photogrammetric stereoplotting.According to aerophotogrammetry specification, for photogrammetric unmanned plane airborne photography system, the attitude stability of capacity weight is had to strict quantification requirement.And aircraft can be subject to body vibrations, impact, the temperature traverse of aerial spuious air-flow, the impact of the problems such as sea level, region that are taken in the time that boat is taken the photograph, capacity weight can change photography attitude thereupon, causes the serious problems such as aerial photographic gap and photogrammetric encounter angle be too small.
For the problems referred to above, in prior art by using stable platform independently to realize the augmentation control of unmanned plane capacity weight.This platform-type stabilization system has advantages of that the high calculating of precision simple response is fast.But independently stable platform of the prior art exists and is not suitable for specific shooting object, reason is that the camera setting in platform is only suitable for the situation that general plane is taken.
Utility model content
The purpose of this utility model, overcomes the deficiencies in the prior art exactly, provides one can take Different Plane state, meets the photomoduel of many camera lenses aerial photography stable platform of different shooting demands.
In order to achieve the above object, adopt following technical scheme:
A photomoduel for many camera lenses aerial photography stable platform, comprise 1 camera lens axis vertical flight plane being arranged in airphoto stable platform under look camera, and 4 camera lens axis with under the side-looking camera that has angle depending on the camera lens axis of camera; Described 4 side-looking cameras are distributed in down the surrounding of looking camera depending on point centered by camera below, and wherein, 4 side-looking cameras are arranged on same plane, and what connect and compose successively taking every side-looking camera as a coordinate points is shaped as parallelogram or trapezoid.
Further, under described, comprise respectively front group of lens that contain 9 lens, rear group of lens, diaphragm and filter depending on camera and side-looking camera, the 3rd lens in front group of lens, the 6th lens and the 8th lens are the lens that CaF2 material is made, and diaphragm is arranged on front group and rear group of lens middle part; Rear group of lens contain 7 lens, and the 6th lens are wherein to focus on the lens that fiber is made.
Further, first lens of described front group of lens adopt ZK5, second lens adopts glass fibre, the 4th lens adopt NBAK4, the 5th lens adopt NSF1, the 7th lens adopt optical glass BAK7, the 9th lens adopt NLAF21 material to make, first lens of described rear group of lens adopt NSF1, second lens adopts NBAK4, the 3rd lens adopt NSF1, the 4th lens adopt BAK7, the 5th lens adopt NSF1, the 7th lens adopt BAK7 material to make, diaphragm adopts Steel material to make, filter adopts ZK5 material to make.
Further, described front group of lens are made up of negative meniscus lens, positive meniscus shaped lens, positive meniscus shaped lens, biconvex lens, biconcave lens, positive meniscus shaped lens, negative meniscus lens, positive meniscus shaped lens, negative meniscus lens successively, and rear group of lens are made up of biconvex lens, negative meniscus lens, negative meniscus lens, negative meniscus lens, biconvex lens, negative meniscus lens, biconvex lens successively.
Further, under described, looking camera adopts 70mm focal length lens, side-looking camera to adopt 90mm focal length lens.
Compared with prior art, the beneficial effects of the utility model are:
Can realize different photographing requests by position, the angle of adjusting 4 side-looking cameras, meet diversified photographing request.
In addition, by auto thermal compensation principle, adding suitable temperature conversion rate is negative optical material, utilizes properties of materials self-control to realize compensation.The temperature refraction rate coefficient of the material by the material of the 3rd lens of front group of lens, the 6th lens, the 8th lens is for negative, thus can automatically regulate compensation according to the variation of temperature, and without any dynamo-electric focusing component and attemperating unit.Working temperature range of the present utility model is wide, has very high reliability.
Brief description of the drawings
Fig. 1 is the section-drawing of three axle gyros described in the utility model.
Fig. 2 (a)～2(c) diverse location of looking camera and side-looking camera under being is respectively related to schematic diagram.
Diagram: 1-suspension arm mechanism; 2-platform for video camera; 3-photomoduel; 31-under look camera; 32-side-looking camera; 4-gyroscope.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described further:
As depicted in figs. 1 and 2, many camera lenses aerial photography stable platform comprises suspension arm mechanism 1, platform for video camera 2, is arranged on photomoduel 3 and gyroscope 4 in platform for video camera.Wherein be arranged on photomoduel 3 in platform for video camera 2 comprise 1 camera lens axis vertical flight plane under look camera 31, and 4 camera lens axis with under the side-looking camera 32 that has angle depending on the camera lens axis of camera 31.
Described suspension arm mechanism 1 is provided with the first runner assembly, rotates on the first rotational plane perpendicular to horizontal surface by the first runner assembly control platform for video camera 2.In described platform for video camera 2, be provided with the second turning discreteness, control this platform for video camera 2 and on the second rotational plane perpendicular to horizontal surface and the first rotational plane, rotate at the same time.Described gyroscope 4 is arranged on platform for video camera 2, and is electrically connected with the first runner assembly and the second turning discreteness, controls the work of the first runner assembly and the second turning discreteness.In described platform for video camera 2, be provided with the second turning discreteness, control this platform for video camera 2 and on the second rotational plane perpendicular to horizontal surface and the first rotational plane, rotate at the same time; Described gyroscope 4 is arranged on platform for video camera 2, and is electrically connected with the first runner assembly and the second turning discreteness, controls the work of the first runner assembly and the second turning discreteness.
Described platform for video camera 2 comprises the parts such as platform hull, roof beam structure, fixed cap and the second turning discreteness.In platform hull, there are multiple camera holding tanks; The bottom of this camera holding tank is respectively equipped with shooting opening.Photomoduel 3 is separately positioned on this camera holding tank inside.
Described gyroscope 4 is arranged on this fixed cap.And this gyroscope 4 is electrically connected with the first runner assembly and the second turning discreteness simultaneously, controls the work of the first runner assembly and the second turning discreteness.
Described photomoduel 3 comprise one be located in central holding tank under depending on camera 31 and four side-looking cameras 32 that are located in the holding tank of side.The camera lens axis vertical flight plane of looking camera 31 under this, in most cases, its shooting angle is vertically downward, perpendicular to the plane that is taken.The camera lens axis of four side-looking cameras 32 with under have angle depending on the camera lens axis shape of camera.This angle, between 30-45 degree, is taken according to actual needs and controls the size of its angle.
The stable platform of three axle gyros of the present utility model can be arranged on the aircraft such as helicopter.When meet with airflow influence produce jolt or rock time, can pass through stable platform automatic position adjusting function of the present utility model, with ensure in shooting process stablizing.Concrete, detect the location information of platform for video camera 2 by gyroscope 4, in the time that platform for video camera 2 occurs tilting or rocks, the first runner assembly controlled by this gyroscope 4 and the second turning discreteness carries out work.
Than prior art, the utility model, by using gyroscope 4, the first runner assembly and the second turning discreteness, is realized the adjustment of platform for video camera 2 on two dimensional surface, facilitates the stable of photomoduel 3 optical axis, prevents from rocking.Meanwhile, by using gyroscope 4 can save complicated physical construction platform, there is the feature that volume is little, lightweight, cost is low simultaneously.
Camera setting of the present utility model has various deformation embodiment.Such as, the distributing position of described photomoduel 3 can be adjusted arbitrarily according to different situations, also can adjust as the case may be the optical axis angle of photomoduel 3.For example, under look camera 31 and side-looking camera 32 position arrange as shown in Figure 2,4 side-looking cameras are distributed in down the surrounding of looking camera 31 depending on point centered by camera 31 below 32.What wherein, connect taking every side-looking camera 32 as one coordinate points successively that (figure shown in dotted line) form is shaped as parallelogram or trapezoid.In Fig. 2 (a), shown a kind of arrangement mode of photomoduel 3, the connection lead (dotted line) of 4 side-looking cameras 32 forms square.The position set-up mode of this photomoduel is modal a kind of mode, has general applicability.In Fig. 2 (b), shown the another kind of arrangement mode of photomoduel, the connection lead (dotted line) of 4 side-looking cameras 32 has formed trapezoid.Shown in Fig. 2 (c), the connection lead (dotted line) of 4 side-looking cameras 32 has formed the arrangement mode of rhombus.The arrangement of each side-looking camera 32 is all with respect to a kind of special shooting demand and shooting angle.The photo that the set-up mode of for example, side-looking camera 32 by Fig. 2 (c) or Fig. 2 (b) when, autogyro falls back backward or turns is to the left or to the right taken can meet the demand of different user.
Further, under described, comprise respectively front group of lens that contain 9 lens, rear group of lens, diaphragm and filter depending on camera and side-looking camera.Wherein, the 3rd lens in front group of lens, the 6th lens and the 8th lens are the lens that CaF2 material is made, and diaphragm is arranged on front group and rear group of lens middle part.Rear group of lens contain 7 lens, and the 6th lens are wherein to focus on the lens that lamination coating is made.Preferably, first lens of described front group of lens adopt ZK5, second lens to adopt glass fibre, the 4th lens to adopt NBAK4, the 5th lens to adopt NSF1, the 7th lens to adopt BAK7, the 9th lens to adopt NLAF21 material to make, first lens of described rear group of lens adopt NSF1, second lens to adopt NBAK4, the 3rd lens to adopt NSF1, the 4th lens to adopt BAK7, the 5th lens to adopt NSF1, the 7th lens to adopt BAK7 material to make, diaphragm adopts Steel material to make, and filter adopts ZK5 material to make.In Chinese patent CN102484193A, record the information of NLAF21 material.The information of NBAK is disclosed in Chinese patent CN101231378A.Application number is that 200510136035.9 patent documentation discloses BAK7 material.NSF1 is the optical glass of being made by stone flour.ZK5 is a classification of optical glass.These materials are all existing materials.
Again further, described front group of lens are made up of negative meniscus lens, positive meniscus shaped lens, positive meniscus shaped lens, biconvex lens, biconcave lens, positive meniscus shaped lens, negative meniscus lens, positive meniscus shaped lens, negative meniscus lens successively, and rear group of lens are made up of biconvex lens, negative meniscus lens, negative meniscus lens, negative meniscus lens, biconvex lens, negative meniscus lens, biconvex lens successively.The utility model is by temperature traverse optical lens automatic Compensation Technology, utilizes every kind of optical material conversion rate temperature factor (β=dn/dt) to have just to have negative different, selects suitable combination of materials to reach to disappear heat and achromatic object.According to optical lens compensation principle, system power of lens must meet that focal power is constant, hot poor, three fundamental equations of achromat of Xiao, is expressed as follows:
In formula, φ is system focal power, and φ i is i piece power of lens, and hi is the paraxial optics height at i piece lens, and Ti is the poor coefficient of heat of i piece lens, and Ci is the chromatic aberration coefficient of i piece lens, and Tm is the thermal expansion coefficient that mechanical material is installed.By selecting certain optical material combination, separate above-mentioned three fundamental equations, can obtain three power of lens, finally reach the poor object of heat that disappears.Preferably, under, looking camera adopts 70mm focal length lens, side-looking camera to adopt 90mm focal length lens.
The foregoing is only the preferred embodiment of explaining the utility model, not the utility model is done to any formal restriction.All any modification or changes of the relevant the utility model of doing under identical utility model spirit, all must be included in the category of the utility model intention protection.
Claims (5)
1. the photomoduel of the stable platform of camera lens aerial photography more than one kind, it is characterized in that: comprise 1 camera lens axis vertical flight plane being arranged in airphoto stable platform under look camera, and 4 camera lens axis with under the side-looking camera that has angle depending on the camera lens axis of camera; Described 4 side-looking cameras are distributed in down the surrounding of looking camera depending on point centered by camera below, and wherein, what connect and compose successively taking every side-looking camera as a coordinate points is shaped as parallelogram or trapezoid.
2. the photomoduel of many camera lenses aerial photography stable platform according to claim 1, it is characterized in that: under described, comprise respectively front group of lens that contain 9 lens, rear group of lens, diaphragm and filter depending on camera and side-looking camera, the 3rd lens in front group of lens, the 6th lens and the 8th lens are the lens that CaF2 material is made, and diaphragm is arranged on front group and rear group of lens middle part; Rear group of lens contain 7 lens, and the 6th lens are wherein to focus on the lens that fiber is made.
3. the photomoduel of many camera lenses aerial photography stable platform according to claim 2, it is characterized in that: first lens of described front group of lens adopt ZK5, second lens adopts glass fibre, the 4th lens adopt NBAK4, the 5th lens adopt NSF1, the 7th lens adopt optical glass BAK7, the 9th lens adopt NLAF21 material to make, first lens of described rear group of lens adopt NSF1, second lens adopts NBAK4, the 3rd lens adopt NSF1, the 4th lens adopt BAK7, the 5th lens adopt NSF1, the 7th lens adopt BAK7 material to make, diaphragm adopts Steel material to make, filter adopts ZK5 material to make.
4. the photomoduel of many camera lenses aerial photography stable platform according to claim 3, it is characterized in that: described front group of lens are made up of negative meniscus lens, positive meniscus shaped lens, positive meniscus shaped lens, biconvex lens, biconcave lens, positive meniscus shaped lens, negative meniscus lens, positive meniscus shaped lens, negative meniscus lens successively, and rear group of lens are made up of biconvex lens, negative meniscus lens, negative meniscus lens, negative meniscus lens, biconvex lens, negative meniscus lens, biconvex lens successively.
5. the photomoduel of many camera lenses aerial photography stable platform according to claim 1, is characterized in that: under described, look camera and adopt 70mm focal length lens, side-looking camera to adopt 90mm focal length lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044897.3U CN203740139U (en) | 2014-01-23 | 2014-01-23 | Camera assembly of multi-camera-lens aerial photography stabilized platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044897.3U CN203740139U (en) | 2014-01-23 | 2014-01-23 | Camera assembly of multi-camera-lens aerial photography stabilized platform |
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| Publication Number | Publication Date |
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| CN203740139U true CN203740139U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420044897.3U Expired - Fee Related CN203740139U (en) | 2014-01-23 | 2014-01-23 | Camera assembly of multi-camera-lens aerial photography stabilized platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318007A (en) * | 2018-01-26 | 2018-07-24 | 广州市红鹏直升机遥感科技有限公司 | A kind of image pickup method of spliced aviation oblique photograph |
| CN113050248A (en) * | 2021-03-06 | 2021-06-29 | 安徽旭诚鑫光电科技有限公司 | Small-aperture scanning lens |
-
2014
- 2014-01-23 CN CN201420044897.3U patent/CN203740139U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318007A (en) * | 2018-01-26 | 2018-07-24 | 广州市红鹏直升机遥感科技有限公司 | A kind of image pickup method of spliced aviation oblique photograph |
| CN108318007B (en) * | 2018-01-26 | 2020-11-10 | 广州市红鹏直升机遥感科技有限公司 | Shooting method of spliced aerial oblique photography |
| CN113050248A (en) * | 2021-03-06 | 2021-06-29 | 安徽旭诚鑫光电科技有限公司 | Small-aperture scanning lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160628 Address after: 510036 Guangzhou Science City, Luogang District science Avenue, No. 182 innovation building C2 District, No. 101, Patentee after: GUANGZHOU REDBIRD HELICOPTER REMOTE SENSING TECHNOLOGY Co.,Ltd. Address before: 510036, Guangdong, Luogang District Science City, science Road, 182 innovation building, C1 District, Annex 7 floor, Guangzhou Patentee before: Xu Peng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20220123 |