CN216248723U - Light supplementing device used during iris shooting - Google Patents
Light supplementing device used during iris shooting Download PDFInfo
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- CN216248723U CN216248723U CN202123028952.9U CN202123028952U CN216248723U CN 216248723 U CN216248723 U CN 216248723U CN 202123028952 U CN202123028952 U CN 202123028952U CN 216248723 U CN216248723 U CN 216248723U
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Abstract
The utility model relates to the technical field of optics, and discloses a light supplement device for iris shooting, which has the technical scheme that the light supplement device comprises a lens cone, wherein the lens cone is arranged in a hollow manner, one end of the lens cone is an irradiation end which is used for aligning shooting equipment, the other end of the lens cone is a detection end which is used for aligning eyeballs, a plurality of light sources for irradiating the eyeballs are arranged on the lens cone, the light supplement device for iris shooting is arranged, and by means of the arrangement of the lens cone, can form a relatively closed shooting environment, reduce the influence of factors such as ambient light and the like, simultaneously can prevent the light of the light source from escaping, thereby improving the illumination brightness, and the arrangement of a plurality of light sources which can be independently controlled to be switched on and off can be realized under the condition that different light sources are switched on, different iris pictures are obtained and then combined to remove the light spots, so that a complete iris picture can be obtained.
Description
Technical Field
The utility model relates to the technical field of optics, in particular to a light supplementing device used in iris shooting.
Background
When the iris and the white eye of the eyeball are shot, the eyeball belongs to a sphere and can reflect light, so that light spots of a light source can be formed in an image and are overlapped with a shot object, the light spots can cover a part of the image, partial information of the image is lost, and therefore in the process of collecting the iris of the eyeball, a complete iris image cannot be obtained, and follow-up work such as personal information collection, medical judgment and the like is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a light supplementing device for shooting an iris, which is used for overcoming the defects in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a light supplement device for shooting irises comprises a lens cone, wherein the lens cone is arranged in a hollow mode, one end of the lens cone is an irradiation end, the irradiation end is used for aligning shooting equipment, the other end of the lens cone is a detection end, the detection end is used for aligning eyeballs, a plurality of light sources used for irradiating the eyeballs are arranged on the lens cone, and the plurality of light sources can be switched on and off independently. Thus, a complete iris picture can be obtained.
As a further improvement of the utility model, the plurality of light sources are annularly arranged on the lens cone so as to form the illumination assembly, and the distances between the adjacent light sources are equal, so that the light sources arranged in the annular array can ensure the uniformity of light source irradiation, and particularly, the light sources irradiated on the iris are not easy to generate color cast in the focusing process.
As a further improvement of the present invention, at least one of the illumination assemblies is disposed on the lens barrel, and during actual use, the size of the lens barrel and the brightness required for illumination are different, so that the arrangement of multiple sets of illumination assemblies can meet different use conditions, as long as part of light is ensured to be irradiated to the eyeball.
As a further improvement of the utility model, the irradiation directions of the plurality of light sources face the detection end, so that most of the light sources are irradiated on the iris, and the brightness required in the shooting process is effectively ensured.
As a further improvement of the utility model, the included angle between the irradiation direction of the light source and the axis of the lens cone is more than 0 degree and less than 180 degrees, so that under the setting, the lens cones with different sizes and shapes can be satisfied by setting various angles according to actual requirements.
As a further improvement of the utility model, the end face of the irradiation end is provided with a through hole, and the through hole has the same diameter as the lens of the shooting device, so that the arrangement can ensure that the lens is aligned or inserted into the through hole without angular deviation.
As a further improvement of the utility model, the detection end is provided with a soft pad used for abutting against the skin of the user, and the circle center of the soft pad is provided with a hole, so that the comfort of the user when shooting the iris can be effectively improved.
As a further improvement of the utility model, the soft pads are detachably connected with the end face of the detection end, the number of soft pads is multiple, the apertures of the holes of the soft pads are different, and the soft pads can be replaced periodically due to the detachable connection, so that the sanitation of the device in the use process is improved, the sizes of the holes are different, and the device is ensured to be suitable for people of different ages.
As a further improvement of the utility model, the lens cone is arranged in a cylindrical shape, so that the arranged lens cone is easy to grasp, and the inner surface of the inner part of the lens cone is a smooth curved surface, so that the uniformity of illumination can be further ensured.
As a further improvement of the present invention, the lens barrel is disposed in a truncated cone shape, the diameter of the irradiation end is smaller than that of the detection end, and generally, the detection end has a larger opening for accommodating the iris, and the irradiation end has a smaller opening, so that the truncated cone shape well meets the requirements for photographing and iris alignment.
The utility model has the beneficial effects that: the utility model is provided with a light supplementing device when shooting the iris, a relatively closed shooting environment can be formed by utilizing the arrangement of the lens cone, the influence of factors such as ambient light is reduced, meanwhile, the illumination escape of the light source can be prevented, thereby improving the illumination brightness, and the arrangement of a plurality of light sources which can be independently controlled to be switched on and switched off can obtain different iris pictures under the condition that different light sources are switched on, and then the iris pictures are combined and synthesized, thereby removing the light spots, and obtaining a complete iris picture.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a right side view of FIG. 1 of the present invention;
fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 in accordance with the present invention.
Reference numerals: 1. a lens barrel; 2. an irradiating end; 21. a through hole; 3. a detection end; 31. a soft cushion; 4. a lighting assembly; 41. a light source.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-3, a light supplement device for iris shooting comprises a lens barrel 1, the lens barrel 1 is hollow, one end of the lens barrel 1 is an irradiation end 2, the irradiation end 2 is used for aligning a shooting device, the other end of the lens barrel 1 is a detection end 3, the detection end 3 is used for aligning eyeballs, the lens barrel 1 is provided with a plurality of light sources 41 for irradiating the eyeballs, and the plurality of light sources 41 can be independently switched on and off, the utility model is provided with the light supplement device for iris shooting, by using the lens barrel 1, a relatively closed shooting environment can be formed, the influence of factors such as ambient light can be reduced, meanwhile, the light of the light sources 41 can be prevented from escaping, so that the illumination brightness is improved, and the light sources 41 which can be independently controlled to be switched on and off can be used for obtaining different iris photos and combining the iris photos, the spots are removed so that a complete iris picture can be obtained.
In particular, the types of light sources 41, including but not limited to LED light sources 41, are optimized to provide greater brightness at lower power.
In one embodiment, the plurality of light sources 41 are annularly arranged on the lens barrel 1, so that the illumination assembly 4 is formed, and the adjacent light sources 41 are equally spaced (as shown in fig. 1, in this embodiment, a total of four light sources 41 are arranged to form the lens barrel 1, and the lens barrel 1 is equally divided into four segments, so as to obtain better illumination conditions).
In particular, the number of light sources 41 is usually kept between 2 and 8, and the brightness at this level can be ensured in a reasonable range without causing the occurrence of particularly bright and particularly dark conditions.
In one embodiment, at least one illumination assembly 4 is disposed on the lens barrel 1, and during actual use, the size of the lens barrel 1 and the brightness required for illumination are different, so that the arrangement of multiple sets of illumination assemblies 4 can meet different use conditions.
In one embodiment, the illumination directions of the plurality of light sources 41 are toward the detection end 3, so that most of the light sources 41 are ensured to illuminate the iris, and the brightness required in the shooting process is effectively ensured.
In one embodiment, the included angle between the irradiation direction of the light source 41 and the axis of the lens barrel 1 is greater than 0 degree and less than 180 degrees, so that the lens barrel with different sizes and shapes can be obtained according to actual requirements, and only partial light is ensured to irradiate the eyeball.
Specifically, as shown in fig. 3, the irradiation direction of the light source 41 is substantially towards the detection end 3, and the included angle between the irradiation direction and the axis of the lens barrel 1 is 45 degrees, so that the sufficient brightness is ensured, and meanwhile, the situation that light irradiates the eyes directly is avoided, the use experience of the user is improved, and compared with the direct irradiation mode, the light spot brightness of the iris surface due to reflection is reduced by irradiating at the angle.
In one embodiment, the end face of the irradiation end 2 is provided with a through hole 21, and the through hole 21 has the same diameter as the lens of the photographing apparatus, so that the arrangement can ensure that the lens is not angularly deviated when being aligned or inserted into the through hole 21.
Specifically, as shown in fig. 3, the through hole 21 having such a size allows a lens to be directly inserted into the through hole 21, and the end surface around the through hole 21 functions as light blocking.
In one embodiment, the detection end 3 is provided with a soft pad 31 for abutting against the skin of the user, and the center of the soft pad 31 is provided with a hole, so that the comfort of the user when photographing the iris can be effectively improved.
Specifically, the material of the cushion 31 includes, but is not limited to, silicone, rubber, and the like.
In an embodiment, can dismantle between the terminal surface of cushion 31 and sense terminal 3 and be connected, cushion 31 is provided with a plurality of, and the aperture of a plurality of cushion 31 trompil departments is all inconsistent, can dismantle the connection setting, can realize the demand of regularly changing cushion 31 to promoted the health nature in this device use, and the nonconformity of trompil size has guaranteed that this device can be applicable to the crowd of different age brackets simultaneously.
Specifically, the detachable connection mode can be realized by using nylon buckles, buckle clamping grooves and the like.
In one embodiment, the lens barrel 1 is cylindrical, so that the lens barrel 1 is easy to grasp, and the inner surface of the inner part of the lens barrel 1 is a smooth curved surface, so as to further ensure the uniformity of illumination.
In one embodiment, the lens barrel 1 is in a truncated cone shape, the diameter of the irradiation end 2 is smaller than that of the detection end 3, generally speaking, the detection end 3 has a larger hole for accommodating the iris, and the hole required by the irradiation end 2 is smaller, so that the truncated cone shape well meets the shooting requirement and the iris alignment requirement.
The working principle is as follows: when the iris picture needs to be shot, firstly, a proper soft cushion 31 is selected according to the size of the eyeball of the user and is arranged at the detection end 3 of the lens cone 1, then, the detection end 3 is tightly attached to the skin around the eyes of the user, the eyes of the user are aligned with the inner part of the lens barrel 1, then the lens of the shooting device is inserted into the through hole 21, the lens is aligned with the iris, the orientation of the lens is coincident with the axis of the lens barrel 1, then all the light sources 41 are turned on, the photographing apparatus focuses the iris, and then one of the light sources 41 is turned off to photograph, then turning on the light source 41, turning off another light source 41 to take a picture again, repeating the above steps to obtain the iris picture of any one light source 41 with the other light sources 41 turned on, that is, several light sources 41 take several pictures, and then the pictures are combined by software algorithm to obtain an iris picture without light spots.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (10)
1. The utility model provides a light filling device when shooing iris which characterized in that: the lens barrel comprises a lens barrel (1), wherein the lens barrel (1) is arranged in a hollow mode, one end of the lens barrel (1) is an irradiation end (2), the irradiation end (2) is used for aligning shooting equipment, the other end of the lens barrel (1) is a detection end (3), the detection end (3) is used for aligning eyeballs, a plurality of light sources (41) used for irradiating the eyeballs are arranged on the lens barrel (1), and the light sources (41) can be independently switched on and off.
2. A light supplement device for photographing an iris according to claim 1, wherein: the plurality of light sources (41) are annularly arranged on the lens barrel (1) so as to form an illumination assembly (4), and the distances between the adjacent light sources (41) are equal.
3. A light supplement device for photographing an iris according to claim 2, wherein: the lens barrel (1) is provided with at least one lighting assembly (4).
4. A light supplement device for photographing an iris according to claim 1, wherein: the irradiation directions of the plurality of light sources (41) face the detection end (3).
5. A light supplement device for photographing an iris according to claim 4, wherein: the included angle between the irradiation direction of the light source (41) and the axis of the lens cone (1) is more than 0 degree and less than 180 degrees.
6. A light supplement device for photographing an iris according to claim 1, wherein: the end face of the irradiation end (2) is provided with a through hole (21), and the diameter of the through hole (21) is the same as that of a lens of shooting equipment.
7. A light supplement device for photographing an iris according to claim 1, wherein: the detection end (3) is provided with a cushion (31) used for abutting against the skin of a user, and the circle center of the cushion (31) is provided with an opening.
8. A light supplement device for photographing an iris according to claim 7, wherein: cushion (31) with can dismantle the connection between the terminal surface of test end (3), cushion (31) are provided with a plurality of, and a plurality of the aperture of cushion (31) trompil department is all inconsistent.
9. A light supplement device for photographing an iris according to claim 1, wherein: the lens cone (1) is arranged in a cylindrical shape.
10. A light supplement device for photographing an iris according to claim 1, wherein: the lens cone (1) is arranged in a circular truncated cone shape, and the diameter of the irradiation end (2) is smaller than that of the detection end (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028952.9U CN216248723U (en) | 2021-12-02 | 2021-12-02 | Light supplementing device used during iris shooting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028952.9U CN216248723U (en) | 2021-12-02 | 2021-12-02 | Light supplementing device used during iris shooting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216248723U true CN216248723U (en) | 2022-04-08 |
Family
ID=80961447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123028952.9U Active CN216248723U (en) | 2021-12-02 | 2021-12-02 | Light supplementing device used during iris shooting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216248723U (en) |
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2021
- 2021-12-02 CN CN202123028952.9U patent/CN216248723U/en active Active
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