CN210670252U - Video acquisition module of fingerprint acquisition instrument - Google Patents
Video acquisition module of fingerprint acquisition instrument Download PDFInfo
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- CN210670252U CN210670252U CN201921645889.3U CN201921645889U CN210670252U CN 210670252 U CN210670252 U CN 210670252U CN 201921645889 U CN201921645889 U CN 201921645889U CN 210670252 U CN210670252 U CN 210670252U
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Abstract
The utility model discloses a video acquisition module of fingerprint collection instrument, including the camera module group, the camera module group includes the camera lens, still includes LED light source board, LED light source board sets up in the rear side of camera lens, LED light source board is disk column structure, the excircle end of LED light source board evenly is provided with a plurality of the same standard light source groups along its circumferencial direction, standard light source group includes the multiple LED lamp that sends standard light source, the distance between camera lens and each LED lamp is equal; the utility model discloses from taking light filling device, can carry out the light filling to shooting by oneself, convenient to use has reduced the requirement of fingerprint collection appearance to service environment, has improved the application scope who uses the utility model discloses a fingerprint collection appearance has improved the degree of accuracy of shooting; and the utility model discloses the camera lens of the module of making a video recording equals with the distance between each LED lamp for light filling such as the LED that carries out the light filling is more even, and the light filling effect is better.
Description
Technical Field
The utility model relates to a fingerprint collection equipment field specifically is a video acquisition module of fingerprint collection appearance.
Background
When collecting evidence at the crime scene, need carry out the collection of fingerprint, vestige, carry out the collection of fingerprint, vestige to the crime scene in the past and need the fingerprint collection appearance, the current video acquisition module that is used for the fingerprint collection appearance that the crime scene collected evidence only has the module of making a video recording, does not have the light filling device, need use the light filling light source of peripheral hardware to carry out the light filling when sampling at the crime scene that light is not good, it is very troublesome to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a video acquisition module of fingerprint collection appearance, the video acquisition module who aims at improving current fingerprint collection appearance only has the module of making a video recording, does not have the light filling device, need use the light filling light source of peripheral hardware to carry out the light filling when sampling at the crime scene that light is not good, uses very troublesome problem.
The utility model discloses a realize like this: the utility model provides a video acquisition module of fingerprint collection appearance, includes the module of making a video recording, the module of making a video recording includes the camera lens, still includes LED light source board, LED light source board sets up in the rear side of camera lens, LED light source board is disk column structure, the excircle end of LED light source board evenly is provided with a plurality of the same standard light source groups along its circumferencial direction, standard light source group includes the multiple LED lamp that sends standard light source, the distance between camera lens and each LED lamp equals.
Further, the standard light source group comprises two LED lamps emitting standard light sources, wherein the two LED lamps are respectively any two of white, purple, blue, green and red.
Further, the standard light source group comprises three LED lamps emitting standard light sources, wherein the three LED lamps are respectively any three of white, purple, blue, green and red.
Further, the standard light source group comprises four LED lamps emitting standard light sources, wherein the four LED lamps are respectively any four of five colors of white, purple, blue, green and red.
Further, the standard light source group comprises five LED lamps emitting standard light sources, which are respectively white, purple, blue, green and red.
Further, the standard light source group is provided with at least three.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses from taking the light filling device, can carry out the light filling to shooting by oneself, convenient to use has reduced the requirement of fingerprint collection appearance to service environment, has improved the use the utility model discloses an application scope of fingerprint collection appearance has improved the degree of accuracy of shooting.
2. Carry out the light filling through LED light source board to the shooting, only open the LED etc. that send same kind colour standard light source in each standard light source group simultaneously at every turn, the utility model discloses the camera lens of the module of making a video recording equals with the distance between each LED lamp for light fillings such as the LED that carry out the light filling are more even, and the light filling effect is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block diagram of a video capture module of a fingerprint capture device of the present invention;
FIG. 2 is a bottom view of a video capture module of a fingerprint acquisition instrument according to one embodiment of the present invention;
FIG. 3 is a bottom view of a video capture module of a fingerprint acquisition instrument according to a second embodiment when the video capture module is placed in the fingerprint acquisition instrument;
FIG. 4 is a bottom view of the video capture module of the fingerprint acquisition instrument according to the third embodiment when the video capture module is placed in the fingerprint acquisition instrument;
FIG. 5 is a bottom view of a video capture module of a fingerprint acquisition instrument according to the fourth embodiment when the video capture module is placed in the fingerprint acquisition instrument;
FIG. 6 is a block diagram of a system using the fingerprint acquisition instrument of the present invention;
FIG. 7 is a circuit diagram of an MCU module using the fingerprint acquisition instrument of the present invention;
FIG. 8 is a circuit diagram of a light source switching module of the fingerprint sensor of the present invention;
FIG. 9 is a circuit diagram of a light source brightness adjusting module of the fingerprint sensor of the present invention;
fig. 10 is a circuit diagram of a camera module interface circuit of the fingerprint acquisition instrument of the present invention.
In the figure: 2. an LED light source plate; 3. a lens; 8. and (4) a standard light source group.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows: please refer to fig. 1 and fig. 2, a video capture module of fingerprint collection appearance, including the module of making a video recording, the module of making a video recording includes camera lens 3, still includes LED light source board 2, LED light source board 2 sets up in the rear side of camera lens 3, LED light source board 2 is disk column structure, the excircle end of LED light source board 2 evenly is provided with three the same standard light source group 8 along its circumferencial direction, standard light source group 8 includes two kinds of LED lamps that send standard light source, be two kinds arbitrary two kinds in five kinds of colours white, purple, blue, green and red respectively, the distance between camera lens 3 and each LED lamp equals.
Example two: please refer to fig. 1 and fig. 3, a video capture module of fingerprint collection appearance, including the module of making a video recording, the module of making a video recording includes camera lens 3, still includes LED light source board 2, LED light source board 2 sets up in the rear side of camera lens 3, LED light source board 2 is disk column structure, the excircle end of LED light source board 2 evenly is provided with three the same standard light source group 8 along its circumferencial direction, standard light source group 8 includes three kinds of LED lamps that send standard light source, be any three kinds among five kinds of colours white, purple, blue, green and red respectively, the distance between camera lens 3 and each LED lamp equals.
Example three: please refer to fig. 1 and 4, a video capture module of a fingerprint collection instrument, which comprises a camera module, wherein the camera module comprises a lens 3, and further comprises an LED light source plate 2, the LED light source plate 2 is arranged at the rear side of the lens 3, the LED light source plate 2 is of a wafer-shaped structure, four identical standard light source groups 8 are uniformly arranged at the outer circle end of the LED light source plate 2 along the circumferential direction, each standard light source group 8 comprises four LED lamps emitting standard light sources, the four LED lamps are respectively any four of five colors of white, purple, blue, green and red, and the distance between the lens 3 and each LED lamp is equal.
Example four: please refer to fig. 1 and 5, a video capture module of fingerprint collection appearance, including the module of making a video recording, the module of making a video recording includes camera lens 3, still includes LED light source board 2, LED light source board 2 sets up in the rear side of camera lens 3, LED light source board 2 is disk column structure, the excircle end of LED light source board 2 evenly is provided with five the same standard light source groups 8 along its circumferencial direction, standard light source group 8 includes five kinds of LED lamps that send standard light source, be white, purple, blue, green and red respectively, the distance between camera lens 3 and each LED lamp equals.
The utility model discloses a theory of operation: the utility model discloses a camera lens 3 of module of making a video recording is shot the fingerprint on the scene object of crime, all is the object like door handle, the cabinet body, tea table, beverage bottle, husky face of starting to rise, desktop etc. when the picture that leads to shooting because of the light at scope scene is not good not clear, accessible LED light source board 2 carries out the light filling for the picture of shooting is clear. Carry out the light filling through LED light source board 2 to the shooting, only open the LED etc. that send same kind of colour standard light source in each standard light source group 8 simultaneously at every turn, the utility model discloses the camera lens 3 of the module of making a video recording equals with the distance between each LED lamp for light fillings such as the LED that carry out the light filling are more even, and the light filling effect is better.
So the utility model discloses from taking the light filling device, can carry out the light filling to shooting by oneself, convenient to use has reduced the requirement of fingerprint collection appearance to service environment, has improved the use the utility model discloses a range of application of fingerprint collection appearance has improved the degree of accuracy of shooting.
Referring to fig. 6, 7, 8, 9 and 10, the present invention is a module of a fingerprint sensor, which is used with other modules, components and circuits of the fingerprint sensor. Be provided with an MCU module in the fingerprint collection appearance, it is the total accuse unit of fingerprint collection appearance, the utility model discloses a module of making a video recording links to each other with MCU module electrical property through making a video recording module interface circuit, the utility model discloses a LED light source board 2 links to each other with MCU module electrical property through switching module and light source brightness control module through the light source, and light source switching module can be used to control the switch-over control LED light source board 2 and go up the switch that sends the LED lamp of different colour standard light sources, and light source brightness control module can be used to the luminance of each LED lamp on the regulation control LED light source board 2.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a video acquisition module of fingerprint collection appearance, includes the module of making a video recording, the module of making a video recording includes camera lens (3), its characterized in that: still include LED light source board (2), LED light source board (2) set up in the rear side of camera lens (3), LED light source board (2) are disk column structure, the excircle end of LED light source board (2) evenly is provided with a plurality of the same standard light source group (8) along its circumferencial direction, standard light source group (8) are including the multiple LED lamp that sends standard light source, the distance between camera lens (3) and each LED lamp equals.
2. The video capture module of a fingerprint acquisition instrument according to claim 1, wherein the standard light source group (8) comprises two LED lights emitting standard light sources, which are respectively any two of five colors of white, purple, blue, green and red.
3. The video capture module of a fingerprint acquisition instrument of claim 1, wherein the standard light source group (8) comprises three LED lights emitting standard light sources, each of which is any three of five colors of white, purple, blue, green and red.
4. The video capture module of a fingerprint acquisition instrument according to claim 1, wherein the standard light source group (8) comprises four LED lights emitting standard light sources, which are any four of five colors of white, purple, blue, green and red.
5. The video capture module of a fingerprint acquisition instrument of claim 1, wherein the standard light source group (8) comprises five LED lights emitting standard light sources, white, purple, blue, green and red, respectively.
6. Video acquisition module of a fingerprint acquisition instrument according to any of claims 1 to 5, wherein at least three standard light source groups (8) are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645889.3U CN210670252U (en) | 2019-09-29 | 2019-09-29 | Video acquisition module of fingerprint acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645889.3U CN210670252U (en) | 2019-09-29 | 2019-09-29 | Video acquisition module of fingerprint acquisition instrument |
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| CN210670252U true CN210670252U (en) | 2020-06-02 |
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| CN201921645889.3U Active CN210670252U (en) | 2019-09-29 | 2019-09-29 | Video acquisition module of fingerprint acquisition instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114785929A (en) * | 2022-04-20 | 2022-07-22 | Oppo广东移动通信有限公司 | Camera and electronic device |
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2019
- 2019-09-29 CN CN201921645889.3U patent/CN210670252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114785929A (en) * | 2022-04-20 | 2022-07-22 | Oppo广东移动通信有限公司 | Camera and electronic device |
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