CN217213303U

CN217213303U - Unmanned aerial vehicle camera lens of taking photo by plane

Info

Publication number: CN217213303U
Application number: CN202221082633.8U
Authority: CN
Inventors: 吴延宁
Original assignee: Fujian Fujie Digital Technology Co ltd
Current assignee: Fujian Fujie Digital Technology Co ltd
Priority date: 2022-05-08
Filing date: 2022-05-08
Publication date: 2022-08-16
Anticipated expiration: 2032-05-08

Abstract

The utility model discloses an unmanned aerial vehicle aerial photography lens, which is provided with a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens in sequence from the object direction to the image direction along the same axis; the first lens is a meniscus lens with negative focal power and a convex surface facing to an object space; the second lens is a double-sided concave lens with negative focal power; the third lens is a plano-convex lens with positive focal power and the convex surface facing the image space; the fourth lens is a biconvex lens with positive focal power; the fifth lens is a plano-convex lens with negative focal power and a convex surface facing to the object space; the sixth lens is a biconcave lens with negative focal power. Adopt above-mentioned technical scheme, can realize the function of taking photo by plane camera lens through six camera lenses, compare eight glass component in the market and alleviateed weight, improved the pixel, overall structure is more small and exquisite, has increased unmanned aerial vehicle's duration. The shell and the Sony E buckle with small size are used, the weight of the lens is further reduced, the structure of the unmanned aerial vehicle is more compact, the wind resistance is reduced, the load is reduced, and the endurance of the unmanned aerial vehicle can be effectively increased.

Description

Unmanned aerial vehicle camera lens of taking photo by plane

Technical Field

The utility model relates to an optical lens technical field, in particular to unmanned aerial vehicle takes photo by plane camera lens.

Background

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", an unmanned aerial vehicle, also known as a "flying camera", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Unmanned aerial vehicles can be classified into military and civil applications according to the application field. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand the industrial application and develop the unmanned aerial vehicle technology. The unmanned aerial vehicle camera lens generally is wide angle camera lens, can shoot the scenery at the high altitude and use, and it is all bigger to use unmanned aerial vehicle aerial photograph individual head of camera lens on the market at present, and weight is also great, leads to unmanned aerial vehicle duration to reduce, does not adapt to current unmanned aerial vehicle's characteristics.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is how to provide a small, light in weight's camera lens of taking photo by plane.

In order to solve the technical problem, the utility model discloses a technical scheme is that an unmanned aerial vehicle aerial photography lens, along coaxial first lens, second lens, third lens, fourth lens, fifth lens and sixth lens that set gradually from the object direction image space;

the first lens is a meniscus lens with negative focal power and a convex surface facing to an object space; the second lens is a double-sided concave lens with negative focal power; the third lens is a plano-convex lens with positive focal power and a convex surface facing to the image space; the fourth lens is a biconvex lens with positive focal power; the fifth lens is a plano-convex lens with negative focal power and a convex surface facing to an object space; the sixth lens is a biconcave lens with negative focal power.

Further, unmanned aerial vehicle takes photo by plane camera lens's focus is 25mm, and the biggest light ring is F5.6.

Further, the curvature radius of the front surface of the first lens facing the object side is between 31mm and 34mm, and the curvature radius of the rear surface facing the image side is between 125mm and 135 mm;

the curvature radius of the front surface of the second lens facing the object space is-23 mm to-21 mm, and the curvature radius of the rear surface of the second lens facing the image space is 73mm to 77 mm;

the curvature radius of the rear surface of the third lens facing the image space is-26 mm to-24 mm;

the curvature radius of the front surface of the fourth lens facing the object space is 42 mm-46 mm, and the curvature radius of the rear surface of the fourth lens facing the image space is-46 mm-42 mm;

the curvature radius of the front surface of the fifth lens facing the object space is between 22mm and 25 mm;

the curvature radius of the front surface of the sixth lens facing the object space is-91 mm to-87 mm, and the curvature radius of the rear surface of the sixth lens facing the image space is 19mm to 22 mm.

Further, the radius of the first lens is between 11mm and 13 mm; the radius of the second lens is between 8.8mm and 13 mm; the radius of the third lens is between 12m and 13 mm; the radius of the fourth lens is between 12mm and 14 mm; the radius of the fifth lens is between 12mm and 14 mm; the radius of the sixth lens is between 10mm and 13 mm.

Further, unmanned aerial vehicle takes photo by plane camera lens includes sony E buckle.

Further, a diaphragm is arranged between the first lens and the second lens.

Further, the radius of the diaphragm is 8.5mm to 9.5 mm.

Adopt above-mentioned technical scheme, can realize the function of taking photo by plane camera lens through six camera lenses, compare eight glass component in the market and alleviateed weight, improved the pixel, overall structure is more small and exquisite, has increased unmanned aerial vehicle's duration. The shell and the Sony E buckle with small size are used, the weight of the lens is further reduced, the structure of the unmanned aerial vehicle is more compact, the wind resistance is reduced, the load is reduced, and the endurance of the unmanned aerial vehicle can be effectively increased.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of an aerial camera lens of an unmanned aerial vehicle according to the present invention;

fig. 2 is a light path diagram of an embodiment of the unmanned aerial vehicle aerial camera lens of the present invention;

fig. 3 is an MTF image quality diagram of an embodiment of the unmanned aerial vehicle aerial camera lens of the present invention;

fig. 4 is the optical distortion diagram of an embodiment of the aerial camera lens of the unmanned aerial vehicle of the present invention.

In the figure, 1, a first lens; 2. a second lens; 3. a third lens; 4. a fourth lens; 5. a fifth lens; 6. a sixth lens; 7. and (4) a diaphragm.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, the technical solution of the present invention provides an unmanned aerial vehicle aerial photography lens, which comprises a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a fifth lens 5 and a sixth lens 6, which are coaxially arranged from an object direction to an image direction in sequence; the first lens 1 is a meniscus lens with negative focal power and a convex surface facing to an object; the second lens 2 is a double-sided concave lens with negative focal power; the third lens 3 is a plano-convex lens with positive focal power and a convex surface facing the image space; the fourth lens 4 is a biconvex lens with positive focal power; the fifth lens 5 is a plano-convex lens with negative focal power and a convex surface facing the object space; the sixth lens 6 is a biconcave lens having a negative optical power.

In this embodiment, unmanned aerial vehicle takes photo by plane camera lens's focus is 25mm, and the biggest diaphragm is F5.6.

Further, the curvature radius of the front surface of the first lens 1 facing the object space is between 31mm and 34mm, and the curvature radius of the back surface facing the image space is between 125mm and 135 mm; the radius of curvature of the front surface of the second lens 2 facing the object space is-23 mm to-21 mm, and the radius of curvature of the back surface facing the image space is 73mm to 77 mm; the curvature radius of the back surface of the third lens 3 facing the image space is-26 mm to-24 mm; the radius of curvature of the front surface of the fourth lens 4 facing the object space is between 42mm and 46mm, and the radius of curvature of the rear surface of the fourth lens 4 facing the image space is between-46 mm and-42 mm; the radius of curvature of the front surface of the fifth lens 5 facing the object space is between 22mm and 25 mm; the curvature radius of the front surface of the sixth lens 6 facing the object side is-91 mm to-87 mm, and the curvature radius of the rear surface facing the image side is 19mm to 22 mm. A diaphragm 7 is arranged between the first lens 1 and the second lens 2. The radius of the diaphragm 7 is between 8.5mm and 9.5 mm. Wherein, the radius of the first lens 1 is between 11mm and 13 mm; the radius of the second lens 2 is between 8.8mm and 13 mm; the radius of the third lens 3 is between 12 and 13 mm; the radius of the fourth lens 4 is between 12mm and 14 mm; the radius of the fifth lens 5 is between 12mm and 14 mm; the radius of the sixth lens 6 is between 10mm and 13 mm.

In this embodiment, unmanned aerial vehicle aerial photography camera lens includes sony E buckle. Of course, it is also possible to use other snap-fits, for example

Specifically, the lens is a fixed aperture; the focal length is: 25 mm; the optical distortion can be controlled within 0.5%; and the closest focus distance: 1 m; the service distance is as follows: 150-300 m. The pixels of the lens reach 6000 x 4000.

This technical scheme is all bigger to the individual head that uses unmanned aerial vehicle camera lens on the market at present, leads to the problem that unmanned aerial vehicle duration reduces, has provided a lighter camera lens of taking photo by plane, has alleviateed the weight of camera lens for unmanned aerial vehicle structure is compacter, has reduced the windage, has reduced the load, can increase unmanned aerial vehicle's duration effectively.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides an unmanned aerial vehicle camera lens of taking photo by plane which characterized in that: the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are coaxially arranged in sequence from the object direction to the image direction;

2. The unmanned aerial vehicle lens of taking photo by plane of claim 1, characterized in that: the focal length of unmanned aerial vehicle camera lens is 25mm, and the biggest light ring is F5.6.

3. The unmanned aerial vehicle lens of taking photo by plane of claim 1, characterized in that:

the curvature radius of the front surface of the first lens facing the object space is 31 mm-34 mm, and the curvature radius of the rear surface facing the image space is 125 mm-135 mm;

4. The unmanned aerial vehicle lens of taking photo by plane of claim 1, characterized in that: the radius of the first lens is between 11mm and 13 mm; the radius of the second lens is between 8.8mm and 13 mm; the radius of the third lens is between 12m and 13 mm; the radius of the fourth lens is between 12mm and 14 mm; the radius of the fifth lens is between 12mm and 14 mm; the radius of the sixth lens is between 10mm and 13 mm.

5. The unmanned aerial vehicle lens of taking photo by plane of claim 1, characterized in that: unmanned aerial vehicle takes photo by plane camera lens includes sony E buckle.

6. The unmanned aerial vehicle lens of taking photo by plane of claim 1, characterized in that: and a diaphragm is arranged between the first lens and the second lens.

7. The unmanned aerial vehicle lens of taking photo by plane of claim 6, characterized in that: the radius of the diaphragm is 8.5mm to 9.5 mm.