CN210270941U - Light source brightness adjusting module of fingerprint acquisition instrument - Google Patents
Light source brightness adjusting module of fingerprint acquisition instrument Download PDFInfo
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- CN210270941U CN210270941U CN201921645898.2U CN201921645898U CN210270941U CN 210270941 U CN210270941 U CN 210270941U CN 201921645898 U CN201921645898 U CN 201921645898U CN 210270941 U CN210270941 U CN 210270941U
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Abstract
The utility model discloses a light source brightness control module of fingerprint collection appearance, including protective housing, the unable adjustment base who is connected with protective housing, set up at the high definition camera module of protective housing front end and set up the light filling subassembly in high definition camera module periphery, the light filling subassembly including set up in the LED light filling lamp of high definition camera module periphery and with LED light filling lamp electric connection's optical line sensors. The utility model relates to a light source brightness control module of fingerprint collection appearance is convenient for go on including high definition camera module through protective housing to be convenient for gather the fingerprint through high definition camera module, portable, and carry out the light filling to high definition camera module through the light filling subassembly, effectually avoided influencing the precision to fingerprint collection under dark operational environment, thereby the effectual work efficiency who improves the staff.
Description
Technical Field
The utility model relates to a relevant technical field of fingerprint collection appearance specifically is a light source brightness control module of fingerprint collection appearance.
Background
The collector is a data collector, including a mark collector, a data collector, a fingerprint collector, and a special collector based on the characteristics of fingerprint. Fingerprints are characterized by being different among people and unchanging for the whole life. The lines of the foot fingerprint, the foot palm print, the lip print and the retina at the bottom of the pupil also have the characteristics. But the fingerprints are not accurate, and if the palm prints are easy to wear and age. This feature of the fingerprint can be used as an "identification card" representing its person.
The inventor of the utility model finds that the fingerprint acquisition instrument in the prior art has simple structure and single use mode due to the design characteristics of the fingerprint acquisition instrument, and lacks a light supplementing assembly, so that the fingerprint acquisition instrument is inconvenient to acquire in a working environment with weak light, thereby reducing the working efficiency of workers, and failing to meet various use requirements of the fingerprint acquisition instrument at present;
therefore, a light source brightness adjusting module of the fingerprint acquisition instrument is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light source brightness control module of fingerprint collection appearance, the fingerprint collection appearance that aims at improving among the prior art is because the design characteristics of its own, and simple structure and using-way are single, and lack the light filling subassembly, and then be not convenient for gather the fingerprint under the light weak operational environment to staff's work efficiency has been reduced, thereby can't satisfy the problem to the multiple user demand of fingerprint collection appearance at present.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a light source brightness adjusting module of a fingerprint acquisition instrument comprises a protective shell, a fixed base connected with the protective shell, a high-definition camera module arranged at the front end of the protective shell and a light supplementing assembly arranged on the periphery of the high-definition camera module;
the light supplementing assembly comprises an LED light supplementing lamp arranged on the periphery of the high-definition camera module and a light sensor electrically connected with the LED light supplementing lamp.
The high-definition camera module is convenient to include through the protective shell, so that fingerprints can be conveniently collected through the high-definition camera module, the high-definition camera module is convenient to carry, light is supplemented to the high-definition camera module through the light supplementing assembly, the influence on the fingerprint collection precision under a dark working environment is effectively avoided, and the working efficiency of workers is effectively improved;
as a preferred aspect of the present invention, the LED light supplement lamp is set as a red, purple, white, blue and green LED lamp bead, and the LED lamp bead is circumferentially arrayed around the high definition camera module, so as to provide five natural light sources for the high definition camera module, thereby effectively improving the accuracy of the present invention for collecting fingerprints in different environments;
as a preferred aspect of the present invention, the light sensor is set as a photo resistor, the photo resistor converts natural signals into analytically usable electrical signals, and mainly utilizes the photo resistor to convert light transformation into resistance change, thereby realizing automatic control of the brightness of the light supplement assembly, the photo resistor has a large resistance change in the photo resistor when there is no illumination, the output end outputs a high level, the LED light supplement lamp gradually becomes bright, otherwise, when there is light, the photo resistor is in a low resistance state, the output end is a low level, and the LED light supplement lamp gradually becomes dark;
as a preferable aspect of the present invention, the front end of the high-definition camera module is provided with a transparent mirror, the transparent mirror is embedded, the transparent mirror is set as one of a plane mirror or a convex lens, and the high-definition camera module is protected by the transparent mirror, so that the service life of the high-definition camera module is effectively prolonged, the light source of the LED light supplement lamp is conveniently diffused by the transparent mirror, and the accuracy of the high-strength camera module for collecting fingerprints is effectively improved;
as a preferred aspect of the utility model, the signal output end of the high definition camera module is electrically connected with the microprocessor arranged in the protective shell, the microprocessor is arranged in the control panel, the control panel is fixedly connected with the protective shell through a fixing screw, the control panel is arranged at one side of the protective shell, the microprocessor is composed of an information acquisition module, an information processing module and an information storage module, the information output end of the information acquisition module is electrically connected with the information input end of the information processing module, the information output end of the information processing module is electrically connected with the information input end of the information storage module, thereby facilitating the digital-analog conversion of the digital information of the fingerprint information acquired by the high definition camera module through the microprocessor and storing the digital information in the information storage module,
as a preferable aspect of the present invention, the information output end of the information storage module of the microprocessor is electrically connected and set as the information transmission module in the control panel and the display screen arranged on the protective casing, and the information transmission module is set as one of the wireless transmission module and the WiFi transmission module, so as to facilitate the real-time feedback and mobile terminal of the information collected by the high definition camera module through the information transmission module, thereby effectively improving the use flexibility of the present invention;
as a preferable aspect of the present invention, the portable electronic device further comprises a power supply module disposed on the fixing base and a charging interface disposed on the control panel, the power supply module is disposed as a storage battery, the storage battery is disposed as a rechargeable lithium battery, the storage battery is used for supplying power to the high definition camera module, the microprocessor, the information transmission module and the display screen, and the power supply module does not need to be connected with the power adapter in real time, so as to effectively improve the use accuracy of the present invention; the charging interface is set to be a USB interface, so that the power supply module can be charged conveniently through the USB interface, and the USB structure is convenient to be externally connected with the audio conversion line, so that fingerprint information collected by the high-definition camera module can be conveniently led out, and the use flexibility of the utility model is effectively improved;
as a preferred aspect of the utility model, in addition still including setting up the control switch on control panel, set up on protective housing with power module electric connection's LED electric quantity pilot lamp and set up the control button that switches over the color system of LED light filling lamp on control panel, and then be convenient for control high definition camera module, microprocessor, the switch of information transmission module and display screen through control switch, and be convenient for carry out the demonstration of implementing through LED electric quantity pilot lamp to power module's electric quantity, and then effectual improvement the utility model discloses a use precision to switch over the LED lamp pearl of the five kinds of color systems of red, purple, white, blue and green of LED light filling lamp according to actual service environment through control button.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of reasonable in design and easy operation, the utility model relates to a light source brightness control module of fingerprint collection appearance includes protective housing, the unable adjustment base who is connected with protective housing, sets up the high definition camera module at protective housing front end and sets up the light filling subassembly in high definition camera module periphery, the light filling subassembly including set up in the LED light filling lamp of high definition camera module periphery and with LED light filling lamp electric connection's optical line sensors, and then be convenient for include high definition camera module through protective housing to be convenient for gather the fingerprint through high definition camera module, portable carries out the light filling through the light filling subassembly to high definition camera module, the effectual precision of influence to fingerprint collection under dark operational environment of having avoided, thereby the effectual work efficiency who improves the staff.
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 schematic structural diagram of a local explosion diagram of the overall structure of a present survey information quick input module of the fingerprint acquisition instrument of the present invention;
fig. 2 is a schematic structural diagram of the overall structure of the present survey information quick input module of the fingerprint acquisition instrument of the present invention;
fig. 3 is a schematic structural diagram of another view angle of fig. 2 in the present survey information quick input module of the fingerprint acquisition instrument of the present invention;
fig. 4 is an electrical working schematic diagram of the present survey information fast input module of the fingerprint acquisition instrument of the present invention;
fig. 5-1 is a circuit diagram of the LED fill light of the present invention;
fig. 5-2 is a circuit diagram of the LED fill light of the present invention.
In the figure: the device comprises a protective shell 1, a 2-high-definition camera module, a 3-LED light supplement lamp, a 4-light-transmitting mirror, a 5-control panel, a 51-control switch, a 52-charging interface, a 6-display screen and a 7-fixed base.
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. 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. 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.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a light source brightness adjusting module of a fingerprint acquisition instrument comprises a protective shell 1, a fixed base 7 connected with the protective shell 1, a high-definition camera module 2 arranged at the front end of the protective shell 1 and a light supplementing assembly arranged on the periphery of the high-definition camera module 2, and further the high-definition camera module 2 is convenient to include through the protective shell 1, so that fingerprints can be conveniently acquired through the high-definition camera module 2, the carrying is convenient, the light supplementing assembly is used for supplementing light to the high-definition camera module 2, the influence on the fingerprint acquisition precision under a dark working environment is effectively avoided, and the working efficiency of workers is effectively improved;
referring to fig. 1 and 4, the light supplement assembly includes an LED light supplement lamp 3 disposed at the periphery of the high definition camera module 2 and a light sensor electrically connected to the LED light supplement lamp 3, the LED light supplement lamp 3 is set as an LED lamp bead of five color systems of red, purple, white, blue and green, and the LED lamp beads are circumferentially arrayed around the high definition camera module 2, so as to provide five natural light sources for the high definition camera module 2, thereby effectively improving the accuracy of fingerprint acquisition in different environments of the present invention;
referring to fig. 1 and 4, the light sensor is configured as a photo resistor, the photo resistor converts natural signals into analytically usable electrical signals, and the photo resistor converts light into a change of resistance value of the photo resistor, so as to realize automatic control of brightness of the light supplement assembly, when the photo resistor is not illuminated, the internal resistance of the photo resistor is changed greatly, the output end outputs a high level, the LED light supplement lamp 3 is gradually lightened, otherwise, when light is present, the photo resistor is in a low resistance state, the output end is a low level, and the LED light supplement lamp 3 is gradually darkened;
referring to fig. 1, 2 and 3, an optical filter is arranged at the front end of a lens of the high-definition camera module 2, the optical filter is connected with the high-definition camera module 2 through a clamping ring, and the clamping ring is connected with the high-definition camera module 2 through a clamping structure, so that different optical filters can be matched conveniently according to color temperature and toner, and the fingerprint collection precision is effectively improved; in addition, the pressing ring is connected with the high-definition camera module 2 through the clamping structure, so that a user can conveniently and quickly replace the optical filter according to the actual use requirement, and the use flexibility of the optical filter is effectively improved;
referring to fig. 1, 2, 3 and 4, a transparent mirror 4 is arranged at the front end of a high-definition camera module 2, the transparent mirror 4 is embedded, the transparent mirror 4 is a plane mirror or a convex lens, and the high-definition camera module 2 is protected by the transparent mirror 4, so that the service life of the high-definition camera module 2 is effectively prolonged, a light source of an LED light supplement lamp 3 is conveniently diffused by the transparent mirror 4, and the fingerprint collection precision of the high-strength camera module is effectively improved; the high-definition camera module 2 is set as a high-definition 12mm lens, so that the fingerprint acquisition precision is effectively ensured;
please refer to fig. 2, fig. 3 and fig. 4, the signal output end of the high definition camera module 2 is electrically connected to the microprocessor arranged in the protective housing 1, the microprocessor is arranged in the control panel 5, the control panel 5 is fixedly connected with the protective housing 1 through a fixing screw, and the control panel 5 is arranged at one side of the protective housing 1, the microprocessor is composed of an information acquisition module, an information processing module and an information storage module, the information output end of the information acquisition module is electrically connected with the information input end of the information processing module, the information output end of the information processing module is electrically connected with the information input end of the information storage module, thereby facilitating the digital information of the fingerprint information acquired by the high definition camera module 2 to be processed by the microprocessor and stored in the information storage module, the information output end of the information storage module of the microprocessor is electrically connected with and arranged as an information transmission module in the control panel 5 and a display screen 6 arranged on the protective housing The information transmission module is set to be one of a wireless transmission module or a WiFi transmission module, so that real-time feedback and mobile terminal of information acquired by the high-definition camera module 2 can be conveniently realized through the information transmission module, the use flexibility of the utility model is effectively improved, the display screen 6 is set to be LCD12864, the type display is provided with a Chinese character library and a display module with Chinese character library dot matrix graphics, the displayed resolution ratio is 128 x 64, and the real-time operation and observation of workers are convenient;
referring to fig. 1, fig. 2 and fig. 4, the portable electronic device further includes a power supply module disposed on the fixing base 7 and a charging interface 52 disposed on the control panel 5, the power supply module is configured as a storage battery, the storage battery is configured as a rechargeable lithium battery, the storage battery is used for supplying power to the high-definition camera module 2, the microprocessor, the information transmission module and the display screen 6, and the power supply module does not need to be connected with a power adapter in real time, so that the use accuracy of the portable electronic device is effectively improved; the charging interface 52 is set as a USB interface, so that the power supply module can be charged conveniently through the USB interface, and the USB structure is convenient to be externally connected to the audio conversion line, so that the fingerprint information collected by the high-definition camera module 2 can be conveniently exported, thereby effectively improving the use flexibility of the utility model;
please refer to fig. 1, fig. 3 and fig. 4, in addition, the control switch 51 arranged on the control panel 5, the LED electric quantity indicator lamp arranged on the protective casing 1 and electrically connected to the power supply module, and the control button arranged on the control panel 5 for switching the color system of the LED light supplement lamp 3, so as to control the switch of the high-definition camera module 2, the microprocessor, the information transmission module and the display screen 6 through the control switch 51, and facilitate the display of the electric quantity of the power supply module through the LED electric quantity indicator lamp, thereby effectively improving the utility model discloses a use precision, and the LED lamp beads of the five color systems of red, purple, white, blue and green of the LED light supplement lamp 3 are switched according to the actual use environment through the control button.
As shown in fig. 5-1 and 5-2, a circuit diagram of a lamp bead of one color system of the LED fill light is shown.
The working principle is as follows: the utility model discloses a set up protective housing 1, the unable adjustment base 7 that is connected with protective housing 1, set up at the high definition camera module 2 of protective housing 1 front end and set up the light filling subassembly in high definition camera module 2 periphery, the light filling subassembly including set up in the LED light filling lamp 3 of high definition camera module 2 periphery and with the light sensor of 3 electric connection of LED light filling lamp. The utility model relates to a light source brightness control module of fingerprint collection appearance is convenient for go on including high definition camera module 2 through protective housing 1 to be convenient for gather the fingerprint through high definition camera module 2, portable, and carry out the light filling to high definition camera module 2 through the light filling subassembly, effectually avoided influencing the precision of fingerprint collection under dark operational environment, thereby the effectual work efficiency who improves the staff.
The device that obtains through above-mentioned design has basically satisfied and improves the fingerprint collection appearance among the prior art because its design characteristics itself, simple structure and using-way are single, and lack the light filling subassembly, and then be not convenient for gather the fingerprint under the light weak operational environment, thereby staff's work efficiency has been reduced, thereby can't satisfy the use of the problem of present multiple user demand to the fingerprint collection appearance, but originally further perfect the purpose of its function, the designer has carried out further improvement to the device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (8)
1. The utility model provides a light source brightness control module of fingerprint collection appearance which characterized in that: the device comprises a protective shell (1), a fixed base (7) connected with the protective shell (1), a high-definition camera module (2) arranged at the front end of the protective shell (1) and a light supplementing assembly arranged on the periphery of the high-definition camera module (2);
the light supplementing assembly comprises an LED light supplementing lamp (3) arranged on the periphery of the high-definition camera module (2) and a light sensor electrically connected with the LED light supplementing lamp (3).
2. The light source brightness adjusting module of the fingerprint acquisition instrument as claimed in claim 1, wherein the LED supplementary lighting lamp (3) is set as LED lamp beads of five color systems of red, purple, white, blue and green, and the LED lamp beads are circumferentially arrayed around the high definition camera module (2).
3. The light source brightness adjusting module of claim 2, wherein the light sensor is configured as a photo resistor.
4. The light source brightness adjusting module of the fingerprint acquisition instrument according to claim 3, wherein a transparent mirror (4) is arranged at the front end of the high definition camera module (2), the transparent mirror (4) is arranged in an embedded type, and the transparent mirror (4) is arranged as one of a plane mirror or a convex lens.
5. The light source brightness adjusting module of the fingerprint acquisition instrument according to claim 4, wherein the signal output end of the high definition camera module (2) is electrically connected to a microprocessor arranged in the protective housing (1), the microprocessor is arranged in the control panel (5), the control panel (5) is fixedly connected with the protective housing (1) through a fixing screw, the control panel (5) is arranged on one side of the protective housing (1), the microprocessor is composed of an information acquisition module, an information processing module and an information storage module, the information output end of the information acquisition module is electrically connected with the information input end of the information processing module, and the information output end of the information processing module is electrically connected with the information input end of the information storage module.
6. The light source brightness adjusting module of the fingerprint acquisition instrument according to claim 5, wherein the information output end of the information storage module of the microprocessor is electrically connected with the information transmission module arranged in the control panel (5) and the display screen (6) arranged on the protective shell (1), and the information transmission module is one of a wireless transmission module and a WiFi transmission module.
7. The light source brightness adjusting module of the fingerprint acquisition instrument as claimed in claim 6, further comprising a power supply module disposed on the fixing base (7) and a charging interface (52) disposed on the control panel (5), wherein the power supply module is configured as a storage battery, the storage battery is configured as a rechargeable lithium battery, the storage battery is used for supplying power to the high definition camera module (2), the microprocessor, the information transmission module and the display screen (6), and the charging interface (52) is configured as a USB interface.
8. The light source brightness adjusting module of the fingerprint acquisition instrument as claimed in claim 7, further comprising a control switch (51) disposed on the control panel (5), an LED power indicator disposed on the protective housing (1) and electrically connected to the power supply module, and a control button disposed on the control panel (5) for switching the color system of the LED fill light (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645898.2U CN210270941U (en) | 2019-09-29 | 2019-09-29 | Light source brightness adjusting module of fingerprint acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645898.2U CN210270941U (en) | 2019-09-29 | 2019-09-29 | Light source brightness adjusting module of fingerprint acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210270941U true CN210270941U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921645898.2U Active CN210270941U (en) | 2019-09-29 | 2019-09-29 | Light source brightness adjusting module of fingerprint acquisition instrument |
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| Country | Link |
|---|---|
| CN (1) | CN210270941U (en) |
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2019
- 2019-09-29 CN CN201921645898.2U patent/CN210270941U/en active Active
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