CN220189014U - Capacitive fingerprint acquisition instrument - Google Patents

Abstract

The utility model discloses a capacitive fingerprint acquisition instrument which belongs to the technical field of fingerprint acquisition, and comprises a shell and a fixed seat, wherein a fingerprint acquisition module is fixedly arranged on the front surface of the shell, the fingerprint acquisition module is arranged on the surface of the shell, a circuit board is fixedly connected inside the shell, a rear cover is movably clamped behind the shell, a chute is fixedly arranged on the front surface of the fixed seat, the shell is slidably connected in the chute on the fixed seat through the rear cover, a fixed block is connected at the corner of the fixed seat, a hole is fixedly arranged inside the fixed block, the fixed seat is taken out, a fastening screw is driven to fix the fixed seat, the shell is connected into the chute for normal use, and when the shell is required to be taken down for use, the shell is taken out from the chute, then a supporting leg is fixed, and the fixed leg is not required to be detached from a wall body of the acquisition instrument, so that convenience is brought to the fixing and the detachment of the wall body of the acquisition instrument; when the anti-false touch device is not used, the first push-pull plate and the second push-pull plate are pushed inwards to enclose the protective shell, and the anti-false touch function improves the practicability of the anti-false touch device.

Description

Capacitive fingerprint acquisition instrument

Technical Field

The utility model belongs to the technical field of fingerprint acquisition, and particularly relates to a capacitive fingerprint acquisition instrument.

Background

The fingerprint collector is a precise electronic instrument which is carried out by utilizing the different characteristics of people, and the working principle comprises four functions of collecting fingerprint images, extracting fingerprint characteristics, storing data and carrying out fingerprint comparison.

The device for collecting fingerprint information of a user and converting the fingerprint information into image signals is called a fingerprint collecting module, and the current fingerprint collecting module mainly comprises the following three types: 1 an optical fingerprint acquisition module, 2 an ultrasonic fingerprint acquisition module and 3 a capacitance fingerprint acquisition module; the optical fingerprint acquisition module has the defects that effective fingerprint information cannot be acquired under strong light irradiation, and the dry finger cannot be effectively acquired; the ultrasonic fingerprint acquisition module has the defects of long acquisition time and high price; the capacitive fingerprint module can well solve the defects.

At present, the existing fingerprint acquisition instrument has the following problems that the fingerprint acquisition instrument can only be hung on a wall body for use, if the fingerprint acquisition instrument needs to be taken down and placed at a certain place for use, screws need to be detached, the process is troublesome, the wall body can be damaged, the aesthetic feeling of the wall body is affected, and the existing fingerprint acquisition instrument does not have error touch prevention equipment and is easy to damage, so that the capacitive fingerprint acquisition instrument is provided.

Disclosure of Invention

The utility model aims to provide a capacitive fingerprint acquisition instrument so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a capacitive fingerprint acquisition instrument, includes shell and fixing base, the positive fixed fingerprint acquisition module of seting up of shell, fingerprint acquisition module sets up at the shell surface, the inside fixedly connected with circuit board of shell, the movable joint in shell rear has the back lid, the spout has been seted up openly to the fixing base, the shell is through back lid sliding connection in the spout on the fixing base, fixing base corner is connected with the fixed block, fixed block quantity is four, the inside fixed hole that is equipped with of fixed block.

Preferably, the shell outside fixedly connected with protective housing, the inside left side sliding connection of protective housing has a push-and-pull board, the inside right side sliding connection of protective housing has No. two push-and-pull boards, no. one push-and-pull board and No. two push-and-pull board openly fixedly have seted up the observation mouth.

Preferably, the limit holes are fixedly formed in the corners of the rear part of the shell, the number of the limit holes is four, limit rods are fixedly connected to the corners of the front face of the rear cover, the number of the limit rods is four, and the rear cover is movably clamped in the limit holes in the shell through the limit rods.

Preferably, the inner wall of the right side of the shell is movably provided with a heat radiation hole, the inner wall of the left side of the shell is movably provided with a heat radiation fan, and the heat radiation hole and the bottom of the heat radiation fan are on the same horizontal line.

Preferably, the lighting equipment is fixedly connected with above the fingerprint acquisition module, and an operation panel is fixedly arranged on the left of the fingerprint acquisition module.

Preferably, the bottom of the shell is fixedly connected with two supporting legs, and the bottom of each supporting leg is fixedly connected with a sucker.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixing block is placed on the plane through taking out the fixing seat, then the fixing seat is fixed by driving the fastening screw into the hole, the rear cover on the shell is connected into the chute for connection, and then the fixing seat is normally used, when in use, the fixing seat can be taken out from the chute according to the situation if the fixing seat needs to be taken down and placed at a certain place for use, then the supporting leg is placed on the plane through the sucker for fixing the supporting leg, and the fixing seat does not need to be detached from the wall body, so that convenience is brought to the fixing and the detaching of the wall body of the acquisition instrument;

2. when not in use, the first push-pull plate and the second push-pull plate can be pushed inwards to surround the protective shell, the arranged observation port can observe the condition of the instrument, the function of preventing false touch is achieved, and the practicability of the instrument is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the housing structure of the present utility model;

FIG. 4 is a schematic view of the split structure of the housing, protective shell and rear cover of the present utility model;

fig. 5 is a schematic view of the rear cover structure of the present utility model.

In the figure: 1. a housing; 2. a fixing seat; 3. a fingerprint acquisition module; 4. a suction cup; 5. a circuit board; 6. a rear cover; 7. a chute; 8. a fixed block; 9. a hole; 10. a protective shell; 11. a first push-pull plate; 12. a second push-pull plate; 13. an observation port; 14. a limiting hole; 15. a limit rod; 16. a heat radiation hole; 17. a heat radiation fan; 18. a lighting device; 19. an operation panel; 20. and (5) supporting legs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: including shell 1 and fixing base 2, the positive fixed fingerprint acquisition module 3 of having offered of shell 1, fingerprint acquisition module 3 sets up at shell 1 surface, the inside fixedly connected with circuit board 5 of shell 1, the front fixed spout 7 of having offered of fixing base 2 of shell 1 rear activity joint has back lid 6, shell 1 is through back lid 6 sliding connection in spout 7 on fixing base 2, fixing base 2 corner is connected with fixed block 8, fixed block 8 quantity is four, the inside fixed hole 9 that is equipped with of fixed block 8.

Specifically, the protective housing 10 is fixedly connected with the outside of shell 1, the inside left side sliding connection of protective housing 10 has push-and-pull board 11 No. one, the inside right side sliding connection of protective housing 10 has push-and-pull board 12 No. two, push-and-pull board 11 No. one and push-and-pull board 12 openly fixedly set up observation port 13, spacing hole 14 has been seted up to shell 1 rear side corner fixedly, spacing hole 14 quantity is four, back lid 6 front corner fixedly connected with gag lever post 15, the quantity of gag lever post 15 is four, back lid 6 passes through gag lever post 15 movable joint in spacing hole 14 on shell 1, shell 1 right side inner wall activity is equipped with louvre 16, shell 1 left inner wall activity is equipped with radiator fan 17, louvre 16 and radiator fan 17 bottom are on same horizontal line, fingerprint acquisition module 3 top fixedly connected with lighting apparatus 18, fingerprint acquisition module 3 left side fixedly is equipped with operating panel 19, shell 1 bottom fixedly connected with landing leg 20 quantity is two, landing leg 20 bottom fixedly connected with sucking disc 4.

In this embodiment, when the fingerprint acquisition instrument is used, firstly take out fixing base 2, put fixed block 8 on the plane, then drive fastening screw into in to hole 9, fix fixing base 2, connect into in spout 7 back lid 6 on the shell 1 and connect, then normal use, during the use, can be according to the circumstances, if need take down it place when using, can take out it from spout 7, then place landing leg 20 on the plane through sucking disc 4 and fix it, need not dismantle from the wall body, for acquisition instrument has brought convenience in wall body fixing and dismantlement, when need overhaul the inside, take out limit lever 15 on back lid 6 from the spacing hole 14 on shell 1 can, for the split of back lid 6 provides convenience, then can gather the fingerprint on fingerprint acquisition module 3 through the finger, then input the operation through operating panel 19, the circuit board 5 that sets up is used for setting up, during the night use, can open the illumination device 18 and push-pull the place ahead is lighted for the operation has brought convenience, during the use, and the time cooperate the cooling fan 17 to open, set up the inside of heat dissipation fan 16 can be carried out the inside the heat dissipation board by the heat dissipation device 1, the inside has been set up to the inside of the protection shell 1, the protection instrument has been protected, the inside is not has been used for the protection of the heat dissipation device is normally, and the inside is set up to the protection instrument is used, and the inside is protected, the inside is protected and the inside is used has been protected, and the inside protection device is used, and has been protected.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a capacitanc fingerprint acquisition appearance, includes shell (1) and fixing base (2), its characterized in that: the fingerprint acquisition module (3) has been offered in positive fixed of shell (1), fingerprint acquisition module (3) set up at shell (1) surface, shell (1) inside fixedly connected with circuit board (5), shell (1) rear movable joint has back lid (6), spout (7) have been offered in fixing base (2) front fixed, shell (1) is in spout (7) on fixing base (2) through back lid (6) sliding connection, fixing base (2) corner is connected with fixed block (8), fixed block (8) quantity is four, fixed block (8) inside is fixed and is equipped with hole (9).

2. A capacitive fingerprint acquisition instrument according to claim 1, characterized in that: the novel intelligent monitoring device is characterized in that a protective shell (10) is fixedly connected to the outer side of the shell (1), a first push-pull plate (11) is slidingly connected to the left side inside the protective shell (10), a second push-pull plate (12) is slidingly connected to the right side inside the protective shell (10), and an observation port (13) is fixedly formed in the front of the first push-pull plate (11) and the front of the second push-pull plate (12).

3. A capacitive fingerprint acquisition instrument according to claim 1, characterized in that: limiting holes (14) are fixedly formed in the rear corners of the shell (1), the number of the limiting holes (14) is four, limiting rods (15) are fixedly connected to the front corners of the rear cover (6), the number of the limiting rods (15) is four, and the rear cover (6) is movably clamped in the limiting holes (14) on the shell (1) through the limiting rods (15).

4. A capacitive fingerprint acquisition instrument according to claim 1, characterized in that: the novel heat radiation device is characterized in that a heat radiation hole (16) is movably formed in the right inner wall of the shell (1), a heat radiation fan (17) is movably arranged in the left inner wall of the shell (1), and the heat radiation hole (16) and the bottom of the heat radiation fan (17) are on the same horizontal line.

5. A capacitive fingerprint acquisition instrument according to claim 1, characterized in that: the fingerprint acquisition module (3) top fixedly connected with lighting apparatus (18), fingerprint acquisition module (3) left side is fixed and is equipped with operating panel (19).

6. A capacitive fingerprint acquisition instrument according to claim 1, characterized in that: the bottom of the shell (1) is fixedly connected with two supporting legs (20), and the bottom of the supporting legs (20) is fixedly connected with sucking discs (4).