CN210983438U

CN210983438U - Portable quick palm print recognition device

Info

Publication number: CN210983438U
Application number: CN201922146129.4U
Authority: CN
Inventors: 薛宪峰; 吴静谊
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-10
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a portable palm print quick identification device, at present, there is the vacancy in the development of palm print discernment field, the finished product components and parts of directly adopting selling on the market are assembled, control debugging between the components and parts is not carried out, finished product system poor stability the utility model discloses a on the circuit board, microprocessor module's (2) first data signal output input end links to each other with the data signal input output of USB wireless transmission module (4), and microprocessor module (2) connect host computer (6) through USB wireless transmission module (4), microprocessor module's (2) second data signal output input end links to each other with the data signal input output of CCD image acquisition module (5), microprocessor module's (2) third signal output input end links to each other with L CD liquid crystal display module (3), power module (1) are used for converting 12V external power supply into 3.3V, provide the power for whole system and light (9), the utility model discloses the fast benefit of palm print information recognition has.

Description

Portable quick palm print recognition device

The technical field is as follows:

the utility model relates to a quick recognition device of portable palm print.

Background art:

at present, the market development of fingerprint acquisition equipment is stable, and the technology is mature relatively. However, the development of the palm print identification field is vacant, the palm print identification method belongs to the experimental research stage at present, most finished products sold in the market are directly adopted for assembly, electric control debugging among the components is not carried out, the finished product system is poor in stability, the image acquisition effect is poor, and the identification rate is low.

The invention content is as follows:

the utility model aims at solving the problem that the image acquisition effect that current palm print acquisition discernment field appears is poor and the palm print recognition rate is low and a portable palm print quick identification device that provides.

The above purpose is realized by the following technical scheme:

a portable palm print quick identification device comprises a power supply module, a microprocessor module, an L CD liquid crystal display module, a USB wireless transmission module, a CCD image acquisition module, an upper computer, an outer shell, braces, a lighting lamp and an alcohol cotton storage box, wherein,

the braces are arranged at the top of the outer shell; the illuminating lamp is arranged on the top surface inside the outer shell; an operation window is arranged in the middle of one side face of the outer shell, and a display screen is arranged at the top of the operation window; one side of the operation window is provided with an illumination switch and an image acquisition control switch, the illumination switch is connected with an illumination lamp, and the other side of the operation window is provided with an alcohol cotton taking box;

the bottom in the outer shell is provided with an interlayer, a circuit board is arranged in the interlayer, a first data signal output input end of a microprocessor module is connected with a data signal input and output end of a USB wireless transmission module and is connected with an upper computer through the USB wireless transmission module, a second data signal output input end of the microprocessor module is connected with a data signal input and output end of a CCD image acquisition module, a third signal output input end of the microprocessor module is connected with an L CD liquid crystal display module, and a power supply module is used for converting a 12V external power supply into 3.3V to provide power for the whole system and an illuminating lamp.

Has the advantages that:

1. the utility model discloses a portable palm print is gathered and recognition device, conveniently carries. The palm print acquisition circuit adopting the self-creation design has the advantages that the designed microprocessor module has the advantage of high recognition speed, and the USB wireless transmission module has the advantage of high transmission speed. The palm image is acquired through the CCD image acquisition module, the acquired palm image is further processed through the microprocessor module, specific palm print information is extracted, and then the palm print information is transmitted to the upper computer through the USB wireless transmission module and is used for acquiring or comparing the palm print information.

2. The utility model discloses still set up the cotton case of alcohol of disinfection usefulness, utilized transparent material preparation, it is more striking, remind the user to disinfect to the hand before carrying out the palm print collection. And the alcohol cotton storage box and the outer shell are installed through the slide way, so that the alcohol cotton storage box is convenient to install, and can be conveniently detached to continuously supplement alcohol cotton and clean the box body.

Description of the drawings:

FIG. 1 is a schematic diagram of the external structure of the present invention;

fig. 2A and 2B are schematic circuit diagrams of a microprocessor module according to the present invention;

FIG. 3 is a schematic circuit diagram of an L CD LCD module according to the present invention;

fig. 4A and 4B are schematic circuit diagrams of a CCD image acquisition module according to the present invention;

fig. 5 is a schematic circuit diagram of a USB wireless transmission module according to the present invention;

fig. 6 is a schematic circuit diagram of a power module according to the present invention;

fig. 7 is a schematic diagram of an identification system according to the present invention;

fig. 8 is a schematic view of the slide installed on the outer casing of the present invention.

The specific implementation mode is as follows:

the first embodiment is as follows:

the portable palm print quick recognition device of the embodiment is shown in figures 1-7, and comprises a power supply module 1, a microprocessor module 2, an L CD liquid crystal display module 3, a USB wireless transmission module 4, a CCD image acquisition module 5, an upper computer 6, an outer shell 7, a strap 8, an illuminating lamp 9 and an alcohol cotton storage box 10, wherein,

the braces 8 are arranged at the top of the outer shell 7; the illuminating lamp 9 is arranged on the top surface inside the outer shell 7; an operation window 11 is arranged in the middle of one side surface of the outer shell 7 and used for the hand to extend into; the top of the operation window 11 is provided with a display screen 17, one side of the operation window 11 is provided with an illumination switch 12 and an image acquisition control switch 13, the illumination switch 12 is connected with an illumination lamp 9, the other side of the operation window 11 is provided with an alcohol cotton taking box 14, alcohol cotton soaked with 75% alcohol is contained in the alcohol cotton taking box 14, and the palm of a palm print acquisition worker is sterilized;

the bottom in the outer shell 7 is provided with an interlayer, a circuit board is arranged in the interlayer, and a first data signal output input end of the microprocessor module 2 is connected with a data signal input and output of the USB wireless transmission module 4 and the microprocessor module 2 is connected with the upper computer 6 through the USB wireless transmission module 4;

the power module 1 is used for converting a 12V external power supply into 3.3V power supply to supply power to the whole system and the illuminating lamp 9.

The palm image is acquired through the CCD image acquisition module 5, the acquired palm image is further processed through the microprocessor module 2, specific palm print information is extracted, and then the palm print information is transmitted to the upper computer 6 through the USB wireless transmission module 4 for acquisition or comparison and identification of the palm print information.

The upper computer 6 is a computer or an industrial personal computer of any type which can be purchased in the market.

The second embodiment is as follows:

different from the first embodiment, in the portable palm print quick recognition device of the present embodiment, as shown in fig. 1 and fig. 8, the alcohol cotton storage box 10 is detachably mounted on the outer shell 7, specifically, two parallel slideways 15 are horizontally mounted on the outer wall of the outer shell 7, a chute 16 matched with the slideway 15 is arranged on the outer wall of the alcohol cotton storage box 10, the cross section of the slideway 15 is U-shaped, the opening of the slideway 15 faces upward, one side surface of the slideway 15 is fixed on the outer wall of the outer shell 7, and the other side of the slideway 15 is suspended for receiving the chute 16; thereby facilitating installation and removal. And the two slideways 15 and the two chutes 16 are matched, so that the alcohol cotton storage box 10 can be more stably installed.

The working principle of the circuit part is as follows:

the CCD image acquisition module 5 acquires a palm image, further processes the image through the microprocessor 2, extracts specific palm print information, and transmits the specific palm print information to the upper computer 6 through the USB wireless transmission module 4.

Claims

1. A portable palm print quick recognition device is characterized by comprising a power supply module (1), a microprocessor module (2), an L CD liquid crystal display module (3), a USB wireless transmission module (4), a CCD image acquisition module (5), an upper computer (6), an outer shell (7), a back strap (8), a lighting lamp (9) and an alcohol cotton storage box (10),

the braces (8) are arranged at the top of the outer shell (7); the illuminating lamp (9) is arranged on the top surface of the inside of the outer shell (7); an operation window (11) is arranged in the middle of one side face of the outer shell (7), and a display screen (17) is arranged at the top of the operation window (11); an illumination switch (12) and an image acquisition control switch (13) are arranged on one side of the operation window (11), the illumination switch (12) is connected with an illumination lamp (9), and an alcohol cotton taking box (14) is arranged on the other side of the operation window (11);

an interlayer is arranged at the bottom inside the outer shell (7), a circuit board is arranged in the interlayer, a first data signal output input end of the microprocessor module (2) is connected with a data signal input and output end of the USB wireless transmission module (4), the microprocessor module (2) is connected with the upper computer (6) through the USB wireless transmission module (4), a second data signal output input end of the microprocessor module (2) is connected with a data signal input and output end of the CCD image acquisition module (5), a third signal output input end of the microprocessor module (2) is connected with the L CD liquid crystal display module (3), and the power supply module (1) is used for converting a 12V external power supply into 3.3V to provide power for the whole system and the illuminating lamp (9).

2. The portable palm print quick identification device according to claim 1, characterized in that: the alcohol cotton storage box (10) is detachably mounted on the outer shell (7), specifically, two parallel slide ways (15) are horizontally mounted on the outer wall of the outer shell (7), a slide groove (16) matched with the slide way (15) is arranged on the outer wall of the alcohol cotton storage box (10), the cross section of the slide way (15) is U-shaped, one side surface of the slide way (15) is fixed on the outer wall of the outer shell (7), and the other side of the slide way (15) is suspended and used for bearing the slide groove (16); the two slideways (15) are matched with the two chutes (16) to ensure that the alcohol cotton storage box (10) is more stably installed.