CN110620864A - Novel fingerprint acquisition instrument - Google Patents
Novel fingerprint acquisition instrument Download PDFInfo
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- CN110620864A CN110620864A CN201910936831.2A CN201910936831A CN110620864A CN 110620864 A CN110620864 A CN 110620864A CN 201910936831 A CN201910936831 A CN 201910936831A CN 110620864 A CN110620864 A CN 110620864A
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- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 239000003086 colorant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00249—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a photographic apparatus, e.g. a photographic printer or a projector
- H04N1/00251—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a photographic apparatus, e.g. a photographic printer or a projector with an apparatus for taking photographic images, e.g. a camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00307—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a mobile telephone apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00315—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a radio transmission apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a novel fingerprint acquisition instrument, which comprises a hollow cylindrical shell, wherein an MCU (microprogrammed control Unit) module, a video acquisition module, a storage module, a WIFI (Wireless Fidelity) module and a power module are arranged in the hollow cylindrical shell, the MCU module is a master control unit of the fingerprint acquisition instrument, an STM32F101C8T6 single chip microcomputer is used, the video acquisition module is electrically connected with the MCU module, and the video acquisition module comprises a camera module, a camera module interface circuit and an LED light source board; the mobile phone wireless connection device is small in size and light in weight, can be used by holding the mobile phone wirelessly connected with the WIFI module, can watch picture information shot by the camera module of the invention at any time, and can conveniently, timely and accurately freeze and store shot fingerprint pictures; and the scene fingerprint of leaving over in visitor side, bottom surface or eminence to the crime scene that can be convenient shoots and draws, when the shooting light source is not enough to need the light filling, accessible LED light source board carries out the light filling, does not need extra light filling device.
Description
Technical Field
The invention relates to the field of fingerprint acquisition equipment, in particular to a novel fingerprint acquisition instrument.
Background
When evidence is obtained at a crime scene, fingerprints and traces need to be collected, equipment facilities such as a camera, an external supplementary lighting source, a tripod and the like need to be used for collecting the fingerprints and the traces at the crime scene in the prior art, and the equipment facilities need to be arranged and assembled, so that the use is very inconvenient. And the shooting and extraction of fingerprints on the scene left on the side, the bottom or the high position of the object in the crime scene are very difficult. Therefore, the existing equipment for collecting fingerprints and traces on the crime scene has the following problems: 1. the volume is large, and the carrying and the storage are inconvenient; 2. the equipment is difficult to split and combine, and the acquisition scene is single.
Disclosure of Invention
The invention aims to provide a novel fingerprint acquisition instrument, and aims to solve the problems that the existing equipment for acquiring fingerprints and traces on a crime scene is large in size, inconvenient to carry and store, difficult to split and combine and single in acquisition scene.
The invention is realized by the following steps: a novel fingerprint collecting instrument comprises
The upper end and the lower end of the hollow cylindrical shell are both provided with openings;
the MCU module is arranged in the hollow cylindrical shell and is a master control unit of the invention;
the video acquisition module is electrically connected with the MCU module and comprises a camera module and an LED light source plate, the camera module is arranged in the hollow cylindrical shell, a lens of the camera module is positioned at the lower port of the hollow cylindrical shell, the LED light source plate is also arranged at the lower port of the hollow cylindrical shell and positioned on the upper side of the lens, and the LED light source plate is used for supplementing light for the camera module;
the storage module is arranged in the hollow cylindrical shell and used for storing information shot and collected by the camera module, and the storage module is electrically connected with the MCU module;
the WIFI module is arranged in the hollow cylindrical shell and is used for being connected with the client APP and transmitting information shot and collected by the camera module to the client APP, and the WIFI module is electrically connected with the MCU module;
the power module is arranged in the hollow cylindrical shell and is electrically connected with all the electric components of the invention for supplying power to all the electric components of the invention;
the panel is located at the upper port of the hollow cylindrical shell, and a power switch, an LED light source control switch and a manual shooting key are arranged on the panel.
Further, the LED light source board is of a wafer-shaped structure, a plurality of same standard light source groups are uniformly arranged at the outer circle end of the LED light source board along the circumferential direction of the LED light source board, each standard light source group comprises a plurality of LED lamps emitting standard light sources, and the distance between the lens and each LED lamp is equal.
Further, the standard light source group comprises five LED lamps emitting standard light sources, which are respectively white, purple, blue, green and red.
Further, a light source switching module is further arranged in the hollow cylindrical shell, the LED light source board is electrically connected with the MCU module through the light source switching module, the LED light source control switch comprises an LED light source selection key, and the LED light source selection key is electrically connected with the light source switching module.
Further, a light source brightness adjusting module is further arranged in the hollow cylindrical shell, the LED light source board is electrically connected with the MCU module through the light source brightness adjusting module, the LED light source control switch further comprises an LED light brightness adjusting knob, and the LED light brightness adjusting knob is electrically connected with the light source brightness adjusting module
Further, a USB interface circuit is further arranged in the hollow cylindrical shell, a USB interface and a USB function selection switch are arranged on the panel, and the USB interface and the USB function selection switch are electrically connected with the MCU module through the USB interface circuit.
Further, the power module comprises a storage battery, a charging circuit and a booster circuit, the storage battery is electrically connected with the MCU module through the charging circuit and the booster circuit, and the USB interface is electrically connected with the charging circuit and the booster circuit.
Furthermore, still be provided with HDMI interface circuit in the hollow tube-shape casing, be provided with the HDMI interface on the panel, the HDMI interface passes through HDMI interface circuit and MCU module electrical property links to each other.
Further, the storage module comprises an SD card, and the SD card is electrically connected with the MCU module through an SD card interface circuit.
Further, still be provided with operating condition pilot lamp on the panel, operating condition pilot lamp is including charging pilot lamp, operating indicator lamp, battery status indicator lamp.
Compared with the prior art, the invention has the beneficial effects that:
1. the mobile phone wireless connection device is small in size and light in weight, can be used by holding the mobile phone wirelessly connected with the WIFI module, can watch picture information shot by the camera module of the invention at any time, and can conveniently, timely and accurately freeze and store shot fingerprint pictures; and the scene fingerprint of leaving over in visitor side, bottom surface or eminence to the crime scene that can be convenient shoots and draws, when the shooting light source is not enough to need the light filling, accessible LED light source board carries out the light filling, does not need extra light filling device.
2. The LED light source plate is of a wafer-shaped structure, a plurality of identical standard light source groups are uniformly arranged at the outer circle end of the LED light source plate along the circumferential direction of the LED light source plate, each standard light source group comprises a plurality of LED lamps emitting standard light sources, and the distances between a lens and each LED lamp are equal; therefore, the invention provides the standard light sources with various colors for supplementing light for shooting of the camera module, reduces the requirement of the camera module on the use environment, improves the application range of the camera module and improves the shooting accuracy of the camera module.
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 the system structure of a new fingerprint acquisition instrument of the present invention;
FIG. 2 is a top view of a novel fingerprint acquisition instrument of the present invention;
FIG. 3 is a side view of a novel fingerprint acquisition instrument of the present invention;
FIG. 4 is a bottom view of the novel fingerprint acquisition instrument of the present invention;
FIG. 5 is a circuit diagram of an MCU module of the novel fingerprint acquisition instrument of the present invention;
FIG. 6 is a circuit diagram of an SD card interface of the fingerprint acquisition instrument of the present invention;
FIG. 7 is a diagram of a charging circuit and a voltage boosting circuit of the novel fingerprint acquisition instrument of the 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 driving module of the fingerprint sensor of the present invention;
FIG. 10 is a circuit diagram of a USB interface of the fingerprint sensor of the present invention;
FIG. 11 is a schematic diagram of an HDMI interface of the fingerprint sensor of the present invention;
fig. 12 is a circuit diagram of the camera module interface of the novel fingerprint acquisition instrument.
In the figure: 1. a hollow cylindrical housing; 2. an LED light source plate; 3. a lens; 4. a panel; 5. a working state indicator light; 6. a power switch; 7. a manual shooting button; 8. a standard light source group; 9. an LED light source selection key; 10. an LED light brightness adjusting knob; 11. a USB interface; 12. a USB function selection switch; 13. an HDMI interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 12, in an embodiment of the present invention, a novel fingerprint acquisition instrument comprises a hollow cylindrical shell 1, wherein the upper end and the lower end of the hollow cylindrical shell 1 are respectively provided with an opening, an MCU module, a video acquisition module, a storage module, a WIFI module and a power supply module are arranged in the hollow cylindrical shell 1, wherein the MCU module is a master control unit of the invention, an STM32F101C8T6 singlechip is used, the video acquisition module is electrically connected with the MCU module, the video acquisition module comprises a camera module and an LED light source plate 2, the camera shooting module is electrically connected with the MCU module through a camera shooting module interface circuit, a lens 3 of the camera shooting module is positioned at the lower port of the hollow cylindrical shell 1, an LED light source plate 2 is also arranged at the lower port of the hollow cylindrical shell 1 and positioned at the upper side of the lens 3, and the LED light source plate 2 is used for supplementing light for the camera shooting module; the storage module is arranged in the hollow cylindrical shell 1 and used for storing information shot and collected by the camera module, and the storage module is electrically connected with the MCU module; the storage module is used for storing information shot and collected by the camera module, a storage part of the storage module adopts an SD card, and the SD card is electrically connected with the MCU module through an SD card interface circuit; the WIFI module is used for being connected with the client APP and transmitting information shot and collected by the camera module to the client APP, and the WIFI module is electrically connected with the MCU module; the power module is used for supplying power to all electric components of the invention, the power module comprises a storage battery, a charging circuit and a booster circuit, the storage battery is electrically connected with the MCU module through the charging circuit and the booster circuit, and the USB interface 11 is electrically connected with the charging circuit and the booster circuit; in addition, a panel 4 is arranged at the upper port of the hollow cylindrical shell 1, and a power switch 6, an LED light source control switch and a manual shooting key 7 are arranged on the panel 4.
The use method and the working principle of the invention are as follows: the method comprises the steps that a power switch 6 is turned on, wireless data connection is conducted between the WIFI module and a client APP, a lens 3 is aligned to an object to be subjected to fingerprint collection, such as a door handle, a cabinet body, a tea table, a wine bottle, a sofa surface, a desktop and the like are all objects, the method is moved along the surface of the object, picture information collected by shooting of the lens 3 is displayed on a mobile phone screen provided with the client APP at any time, when a fingerprint picture is displayed on the mobile phone screen, a manual shooting key 7 is pressed, the fingerprint picture is shot and collected, and the shot and collected fingerprint picture is stored in a storage module and the client APP; if the picture that shows on the cell-phone screen is unclear, accessible LED light source control switch carries out the control of LED light source board 2, carries out the light filling for the shooting of the module of making a video recording for the picture that shoots is clear.
When the mobile phone is used, the mobile phone is small in size and light in weight, and can be used by holding the mobile phone which is wirelessly connected with the WIFI module in one hand, so that the picture information shot by the camera module can be watched in real time, and shot fingerprint pictures can be conveniently, timely and accurately fixed and stored; and the scene fingerprint of leaving over in visitor side, bottom surface or eminence to the crime scene that can be convenient shoots and draws, when the shooting light source is not enough to need the light filling, accessible LED light source board 2 carries out the light filling, does not need extra light filling device.
Therefore, the fingerprint and trace collecting device can replace the existing device for collecting fingerprints and traces on the crime scene, and solves the problems that the device is large in size, inconvenient to carry and store, difficult to split and combine and single in collecting scene.
Referring to fig. 4, in the embodiment of the present invention, the LED light source plate 2 is a wafer-shaped structure, a plurality of identical standard light source groups 8 are uniformly arranged at an outer circumferential end of the LED light source plate 2 along a circumferential direction thereof, each standard light source group 8 includes a plurality of LED lamps emitting standard light sources, and distances between the lens 3 and each LED lamp are equal; in this embodiment, five identical standard light source groups 8 are disposed on the LED light source board 2, and each standard light source group 8 includes five LED lamps emitting standard light sources, which are respectively white, purple, blue, green and red; therefore, the invention provides five color standard light sources for supplementing light for shooting of the camera module, reduces the requirement of the camera module on the use environment, improves the application range of the camera module and improves the shooting accuracy of the camera module.
Referring to fig. 1, fig. 2, fig. 8 and fig. 9, in the embodiment of the present invention, a light source switching module and a light source brightness adjusting module are further disposed in the hollow cylindrical housing 1, and the LED light source board 2 is electrically connected to the MCU module through the light source switching module and the light source brightness adjusting module; the LED light source control switch arranged on the panel 4 comprises an LED light source selection button 9 and an LED light brightness adjusting knob 10, the LED light source selection button 9 is electrically connected with the light source switching module, the light source switching module comprises a light source switching circuit, and the LED light source selection button 9 is electrically connected with the MCU module through the light source switching circuit; the LED light brightness adjusting knob 10 is electrically connected with the light source brightness adjusting module, the light source brightness adjusting module comprises a light source brightness driving circuit, and the LED light brightness adjusting knob 10 is electrically connected with the MCU module through the light source brightness driving circuit; the invention can select the standard light source through the LED light source selection key 9, press and change the standard light source with different colors once, and the standard light sources with different colors are sequentially and alternately changed; the brightness of the selected standard light source can be adjusted through the LED light brightness adjusting knob 10, so that the light supplementing requirements of different environments can be met.
Referring to fig. 1, fig. 2 and fig. 10, in the embodiment of the present invention, a USB interface circuit is further disposed in the hollow cylindrical housing 1, a USB interface 11 and a USB function selection switch 12 are disposed on the panel 4, and the USB interface 11 and the USB function selection switch 12 are electrically connected to the MCU module through the USB interface circuit; the USB function selection switch 12 can be used for selectively setting the USB flash disk function of the invention as a USB flash disk function, reading file data of the invention by using a computer, or setting the equipment as a computer high-definition camera function, collecting fingerprint data by using the computer after being connected with the computer, and the USB interface 11 is also a charging interface of a storage battery.
Referring to fig. 1, fig. 2 and fig. 11, in the embodiment of the present invention, an HDMI interface circuit is further disposed in the hollow cylindrical housing 1, an HDMI interface 13 is disposed on the panel 4, the HDMI interface 13 is electrically connected to the MCU module through the HDMI interface circuit, and the HDMI interface 13 can be connected to an HDMI interface display device.
Referring to fig. 1 and 2, in the embodiment of the present invention, a working status indicator lamp 5 is further disposed on the panel 4, the working status indicator lamp 5 is electrically connected to the MCU module, and the working status indicator lamp 5 includes a charging indicator lamp, a working indicator lamp, and a battery status indicator lamp for displaying various working statuses of the present invention.
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 may be made to the present invention 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 (10)
1. A novel fingerprint acquisition instrument is characterized in that: comprises that
The device comprises a hollow cylindrical shell (1), wherein the upper end and the lower end of the hollow cylindrical shell (1) are both provided with openings;
the MCU module is arranged in the hollow cylindrical shell (1), and is a master control unit;
the video acquisition module is electrically connected with the MCU module and comprises a camera module and an LED light source plate (2), the camera module is arranged in the hollow cylindrical shell (1), a lens (3) of the camera module is positioned at the lower port of the hollow cylindrical shell (1), the LED light source plate (2) is also arranged at the lower port of the hollow cylindrical shell (1) and positioned at the upper side of the lens (3), and the LED light source plate (2) is used for supplementing light for the camera module;
the storage module is arranged in the hollow cylindrical shell (1), is used for storing information shot and collected by the camera module, and is electrically connected with the MCU module;
the WIFI module is arranged in the hollow cylindrical shell (1), is used for being connected with a client APP and transmitting information shot and collected by the camera module to the client APP, and is electrically connected with the MCU module;
the power module is arranged in the hollow cylindrical shell (1), and is electrically connected with all the electric components of the invention and used for supplying power to all the electric components of the invention;
the panel (4), panel (4) are located the last port department of hollow tube-shape casing (1), be provided with switch (6), LED light source control switch and manual shooting button (7) on panel (4).
2. The fingerprint collecting instrument according to claim 1, wherein the LED light source plate (2) is a disk-shaped structure, the outer circle end of the LED light source plate (2) is uniformly provided with a plurality of identical standard light source groups (8) along the circumferential direction, the standard light source groups (8) comprise a plurality of LED lamps emitting standard light sources, and the distance between the lens (3) and each LED lamp is equal.
3. The new fingerprint acquisition instrument as claimed in claim 2, wherein the standard light source group (8) comprises five LED lamps emitting standard light sources, white, purple, blue, green and red, respectively.
4. The fingerprint collecting instrument according to claim 3, wherein a light source switching module is further disposed in the hollow cylindrical housing (1), the LED light source board (2) is electrically connected to the MCU module through the light source switching module, the LED light source control switch includes an LED light source selection button (9), and the LED light source selection button (9) is electrically connected to the light source switching module.
5. The fingerprint acquisition instrument according to claim 4, wherein the hollow cylindrical shell (1) is further provided with a light source brightness adjusting module, the LED light source board (2) is electrically connected with the MCU module through the light source brightness adjusting module, the LED light source control switch further comprises an LED light brightness adjusting knob (10), and the LED light brightness adjusting knob (10) is electrically connected with the light source brightness adjusting module.
6. The fingerprint acquisition instrument according to claim 1, wherein the hollow cylindrical shell (1) is further provided with a USB interface circuit, the panel (4) is provided with a USB interface (11) and a USB function selection switch (12), and the USB interface (11) and the USB function selection switch (12) are electrically connected with the MCU module through the USB interface circuit.
7. The fingerprint acquisition instrument as claimed in claim 6, wherein the power module comprises a storage battery, a charging circuit and a voltage boost circuit, the storage battery is electrically connected with the MCU module through the charging circuit and the voltage boost circuit, and the USB interface (11) is electrically connected with the charging circuit and the voltage boost circuit.
8. The fingerprint acquisition instrument according to claim 1, wherein the hollow cylindrical shell (1) is further provided with an HDMI interface circuit, the panel (4) is provided with an HDMI interface (13), and the HDMI interface (13) is electrically connected with the MCU module through the HDMI interface circuit.
9. The fingerprint acquisition instrument according to any one of claims 1 to 8, wherein the storage module comprises an SD card, and the SD card is electrically connected with the MCU module through an SD card interface circuit.
10. The fingerprint acquisition instrument according to any one of claims 1 to 8, wherein the panel (4) is further provided with a working status indicator lamp (5), and the working status indicator lamp (5) comprises a charging indicator lamp, a working indicator lamp and a battery status indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936831.2A CN110620864A (en) | 2019-09-29 | 2019-09-29 | Novel fingerprint acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936831.2A CN110620864A (en) | 2019-09-29 | 2019-09-29 | Novel fingerprint acquisition instrument |
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| CN110620864A true CN110620864A (en) | 2019-12-27 |
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|---|---|---|---|
| CN201910936831.2A Pending CN110620864A (en) | 2019-09-29 | 2019-09-29 | Novel fingerprint acquisition instrument |
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| CN (1) | CN110620864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111866458A (en) * | 2020-07-14 | 2020-10-30 | 深圳市瑞意博医疗设备有限公司 | Toxic and anesthetic medicine three-phase code rechecking device |
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| KR20040058381A (en) * | 2002-12-26 | 2004-07-05 | (주) 트라이너스 | Flash light typed cameras for law enforcement |
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| CN111866458A (en) * | 2020-07-14 | 2020-10-30 | 深圳市瑞意博医疗设备有限公司 | Toxic and anesthetic medicine three-phase code rechecking device |
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