CN212379859U

CN212379859U - Anti-static biological recognition device

Info

Publication number: CN212379859U
Application number: CN202021394348.0U
Authority: CN
Inventors: 雷亚锋; 颜必锋
Original assignee: Jiangsu Langming Intelligent Technology Co ltd
Current assignee: Jiangsu Langming Intelligent Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-01-19
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a prevent static biological identification device relates to biological identification technical field, including door frame, casing and recognizer, recognizer fixed connection is in the inside of casing, the inside at the door frame can be dismantled to the casing, the rear end swing joint of door frame has the baffle, the top fixedly connected with rubber frame of casing, the equal fixedly connected with bounce ball in bottom four corners of rubber frame, the inside fixedly connected with glass board of rubber frame, the inner wall of casing and the equal fixedly connected with aluminium foil in bottom of rubber frame, the power supply hole has been seted up to the bottom of casing. This prevent static biological identification device reaches fixed effect and prevents to drop automatically, and the finger stretches into the draw-in groove and can takes out, and dismantled and assembled easy dismouting shields the isolated dust of static, does not have the power saving than in idle period, and the fingerprint is more clear simultaneously, and the measure of buffering and anticollision has in addition protected the internals when receiving external effort.

Description

Anti-static biological recognition device

Technical Field

The utility model relates to a biological identification technical field specifically is an anti-static biological identification device.

Background

The biological recognition refers to identification and recognition of personal identity by analyzing signals such as acousto-optic hot pressing and the like by using a computer technology based on characteristics of human biology, including physiological characteristics and behavior characteristics. The biological identification means comprises face identification, signature identification, fingerprint identification, voiceprint identification, iris identification, gait identification and the like, wherein the fingerprint identification means has the advantages of low technical requirement, high identification precision and common acceptance of the public, is suitable for popularization, and can be used as an access control system by installing a biological identification device in high-grade home decoration or hotel dwellings.

In chinese utility model patent application no: the utility model discloses a biological recognition device, this biological recognition device in CN201820120211.2, including the discernment door, the position that discernment door expansion end is close to the edge runs through and is equipped with the opening, the slip card is equipped with recognition device in the opening, the side embedding of discernment door expansion end is equipped with the card and goes into the groove, the card is equipped with the blend stop in the groove, and the embedding of card in-groove is equipped with the screw preformed hole, and this biological recognition device, at the in-process of long-term use, it is not good still to have dustproof, and accurate electron device constantly adsorbs the dust under the electrostatic action and causes circuit fault to and the inconvenient shortcoming of dismouting.

Therefore, there is a need for an anti-static biometric device that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a prevent static biological recognition device to solve the current biological recognition device who proposes in the above-mentioned background art, at the in-process of long-term use, it still has dustproof not well, and accurate electron device constantly adsorbs the dust under the electrostatic action and causes circuit fault, and the inconvenient problem of dismouting.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an anti-static biological recognition device comprises a door frame, a machine shell and a recognizer, wherein the recognizer is fixedly connected inside the machine shell, a square hole is formed inside the door frame, the machine shell is detachably connected inside the square hole, four clamping grooves are formed in the inner wall of the square hole, two sides of each clamping groove are provided with inclined grooves, one side, close to the center of the square hole, of each clamping groove is provided with a tightening groove, one side, far away from the center of the square hole, of each tightening groove is provided with a transition groove, the rear end of the door frame is provided with two threaded holes, the rear end of the door frame is fixedly connected with two bolts, the outer sides of the bolts are movably connected with a baffle plate, one end of the baffle plate is provided with a straight hole, the other end of the baffle plate is provided with a notch, one side, close to the door frame, of the baffle plate is fixedly connected with, shallow slot, four have all been seted up in the bottom four corners of rubber frame the equal fixedly connected with bouncing ball in lower part of shallow slot, the inside fixedly connected with glass board of rubber frame, the bottom of glass board is equipped with the chamfer, the inside lower extreme fixedly connected with of rubber frame expands the limit, expand limit fixed connection in the below of chamfer, the limit groove has been seted up at the edge of rubber frame bottom, the equal fixedly connected with fixture block in four sides outer wall center of casing, the four sides of fixture block all are equipped with the oblique angle, the equal fixedly connected with aluminium foil in the inner wall of casing and the bottom of rubber frame, the power supply hole has been seted up to the bottom of casing.

Preferably, the bolt is matched with the threaded hole, the length of the bolt is equal to the depth of the threaded hole plus the thickness of the baffle plate, and the part of the bolt extending out of the threaded hole is not provided with threads.

Preferably, the aluminium foil is located casing inner wall and rubber frame lower part and corresponds each other, the inside aluminium foil cladding that all has of casing, the inside seal of casing does not communicate with the air.

Preferably, the deep groove is a cylindrical hole with a round angle, the elastic ball is movably connected inside the deep groove, and the volume of the deep groove is larger than that of the elastic ball.

Preferably, the central line of the notch is arc-shaped, and the straight hole and the notch are matched with the bolt.

Preferably, the chamfer is matched with the edge expanding, the glass plate is made of organic glass, the door frame is made of metal materials, and the rubber frame, the elastic ball, the clamping block and the ejector block are made of elastic rubber materials.

Preferably, the clamping groove is matched with the clamping block, the inclined groove is matched with the oblique angle, the tight groove is in interference fit with the clamping block, and the inclination angle of the transition groove is 45 degrees.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent static biological identification device possesses following beneficial effect:

1. this prevent static biological identification device through the cooperation of fixture block and draw-in groove, can follow the rear grafting entering of door frame, reaches fixed effect automatically after targetting in place, consolidates through the baffle and prevents to drop, and the finger stretches into the draw-in groove and can take out, and dismantled and assembled easy dismouting can be followed the door frame and torn open after using a period and charged, has avoided the direct safety problem that brings at the door frame circular telegram.

2. This prevent static biological recognition device through the aluminium foil structure that sets up ground connection in casing inside, has played the effect of shielding static, has completely closed the dust in having isolated the air through connecting, and the glass board can be flattened to the finger and bounce ball to this control circuit switch, does not have than the power saving in the period of not working, makes the fingerprint clearer simultaneously.

3. This prevent static biological recognition device through set up elastic construction such as fixture block, kicking block around the casing, can play the effect of buffering and anticollision when receiving external effort and assaulting, has protected inside precision component.

Drawings

Fig. 1 is a front isometric view of the present invention;

fig. 2 is a back perspective view of the present invention;

fig. 3 is an exploded perspective view of the structure of the present invention;

FIG. 4 is a front view of the structure of the utility model;

FIG. 5 is a stepped cross-sectional view taken through the cut-away broken line in FIG. 4;

fig. 6 is a rear view of the door frame structure of the present invention;

FIG. 7 is a cross-sectional view through the section line in FIG. 6;

FIG. 8 is an enlarged view of a portion of area A of FIG. 7;

fig. 9 is a schematic view of the baffle structure of the present invention.

In the figure: 1. a housing; 2. a rubber frame; 3. a glass plate; 4. an identifier; 5. a door frame; 6. a baffle plate; 7. a bolt; 8. a resilient ball; 9. a power supply hole; 10. a clamping block; 11. a threaded hole; 12. a card slot; 13. a chute; 14. tightening the groove; 15. a transition groove; 16. a straight hole; 17. a notch; 18. a top block; 19. a square hole; 20. shallow-groove; 21. a side groove; 22. chamfering; 23. expanding the edge; 24. deep grooves; 25. oblique angle; 26. aluminum foil.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-9, an anti-static biological recognition device comprises a door frame 5, a case 1 and a recognizer 4, wherein the door frame 5 is made of metal material, the inside of the case 1 is sealed and not communicated with air, dust in air is isolated through totally-enclosed connection, the recognizer 4 is fixedly connected to the inside of the case 1 and is responsible for scanning fingerprints and analyzing and verifying the identity of a coming person, if the door is opened through judgment, a signal is sent out, a square hole 19 is formed in the inside of the door frame 5, the case 1 is detachably connected to the inside of the square hole 19, four clamping grooves 12 are formed in the inner wall of the square hole 19, a finger can be taken out of the clamping groove 12, the device can be detached and detached easily, two sides of the clamping groove 12 are provided with inclined grooves 13, one side of the clamping groove 12 close to the center of the square hole 19 is provided with a tightening groove 14 for final positioning and fastening, one side of the tightening, the inclination angle of the transition groove 15 is 45 degrees, the rear end of the door frame 5 is provided with two threaded holes 11, the rear end of the door frame 5 is fixedly connected with two bolts 7, the bolts 7 are matched with the threaded holes 11 and have the size of M3, the part of the bolt 7 extending out of the threaded holes 11 is not provided with threads, the outer side of the bolt 7 is movably connected with a baffle plate 6, the baffle plate 6 is reinforced to prevent falling off, the length of the bolt 7 is equal to the depth of the threaded holes 11 plus the thickness of the baffle plate 6, one end of the baffle plate 6 is provided with a straight hole 16, the other end of the baffle plate 6 is provided with a notch 17, the central line of the notch 17 is in a circular arc shape, the straight hole 16 and the notch 17 are matched with the bolt 7, one side of the baffle plate 6 close to the door frame 5 is fixedly connected with a top block 18, the top block 18 is provided with three rows, the, four corners of the bottom of the rubber frame 2 are all provided with shallow grooves 20, the lower parts of the four shallow grooves 20 are all fixedly connected with elastic balls 8, the elastic balls 8 are movably connected inside the deep grooves 24, the volume of the deep grooves 24 is larger than the volume of the elastic balls 8, the inside of the rubber frame 2 is fixedly connected with a glass plate 3, the glass plate 3 is made of organic glass, fingers press the glass plate 3 to flatten the elastic balls 8, so as to control a circuit switch, power is saved in an inoperative period, fingerprints are clearer at the same time, the bottom of the glass plate 3 is provided with a chamfer 22, the lower end inside the rubber frame 2 is fixedly connected with an expanding edge 23, the expanding edge 23 is fixedly connected below the chamfer 22, the chamfer 22 is matched with the expanding edge 23, the edge of the bottom of the rubber frame 2 is provided with an edge groove 21 which provides a deformation space after being pressed, the centers of the outer walls on four sides of the casing 1 are all fixedly connected with fixture blocks, the fixture block 10 is matched with the clamping groove 12, the door frame can be inserted from the rear part of the door frame 5, the fixing effect is automatically achieved after the door frame is in place, the door frame can be detached from the door frame 5 for charging after being used for a period of time, the safety problem caused by direct electrification of the door frame 5 is avoided, the rubber frame 2, the elastic ball 8, the fixture block 10 and the ejector block 18 are made of elastic rubber materials, the fixture block 10, the ejector block 18 and other elastic structures are arranged around the casing 1, the buffering and anti-collision effects can be achieved when the door frame is impacted by external acting force, the internal precise elements are protected, four sides of the fixture block 10 are provided with oblique angles 25, the oblique grooves 13 are matched with the oblique angles 25, the tight grooves 14 are in interference fit with the fixture block 10, the aluminum foil 26 is fixedly connected to the inner wall of the casing 1 and the bottom of the rubber frame 2, the aluminum foil 26 is positioned at the lower parts of the, the aluminum foil 26 structure which is grounded is arranged inside the machine shell 1, the static electricity shielding effect is achieved, the power supply hole 9 is formed in the bottom of the machine shell 1, and the taking-off device can be charged through the power supply hole 9.

The working principle is as follows: the device is arranged on a door plate of a room, the structure of a door frame 5 shown in the figure is only one area of the door plate, a user presses a finger on a glass plate 3 before entering the door, an elastic ball 8 is forced to cause the deformation of a rubber frame 2, an aluminum foil 26 is connected with a switch circuit, an identifier 4 starts to operate, the fingerprint of the user is scanned and read, the fingerprint is analyzed and compared, the unlocking can be carried out correctly, and meanwhile, static electricity generated by the friction of the finger on the glass plate 3 can be partially resolved by the aluminum foil 26 coated in the shell 1; if the device needs to be taken down for charging after a period of use, the baffle 6 behind the door is lifted upwards, the baffle 6 rotates around the bolt 7 in the straight hole 16, then a finger extends into the clamping groove 12 to be drawn out of the device, charging can be carried out, and the elastic jacking block 18 on the baffle 6 also has a fixing effect after being installed back.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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, an element defined by the phrase "comprising an … …" 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an antistatic biological recognition device, includes door frame (5), casing (1) and recognizer (4), its characterized in that: the recognizer (4) is fixedly connected inside the casing (1), a square hole (19) is formed inside the door frame (5), the casing (1) is detachably connected inside the square hole (19), four clamping grooves (12) are formed in the inner wall of the square hole (19), two sides of each clamping groove (12) are provided with inclined grooves (13), one side, close to the center of the square hole (19), of each clamping groove (12) is provided with a tightening groove (14), one side, far away from the center of the square hole (19), of each tightening groove (14) is provided with a transition groove (15), the rear end of the door frame (5) is provided with two threaded holes (11), the rear end of the door frame (5) is fixedly connected with two bolts (7), the outer side of each bolt (7) is movably connected with a baffle plate (6), one end of each baffle plate (6) is provided with a straight hole (16), and the other end of each baffle plate (6) is provided, the door frame is characterized in that one side, close to the door frame (5), of the baffle (6) is fixedly connected with a top block (18), the top of the casing (1) is fixedly connected with a rubber frame (2), four corners of the top of the casing (1) are respectively provided with a deep groove (24), four corners of the bottom of the rubber frame (2) are respectively provided with a shallow groove (20), the lower parts of the four shallow grooves (20) are respectively and fixedly connected with an elastic ball (8), the inside of the rubber frame (2) is fixedly connected with a glass plate (3), the bottom of the glass plate (3) is provided with a chamfer (22), the lower end inside the rubber frame (2) is fixedly connected with an expanding edge (23), the expanding edge (23) is fixedly connected below the chamfer (22), the edge of the bottom of the rubber frame (2) is provided with an edge groove (21), the centers of outer walls on four sides of the casing (1) are respectively and fixedly connected with a fixture block (10), four sides, the aluminum foil power supply is characterized in that aluminum foils (26) are fixedly connected to the inner wall of the casing (1) and the bottom of the rubber frame (2), and a power supply hole (9) is formed in the bottom of the casing (1).

2. An anti-static biometric identification device in accordance with claim 1 further comprising: the bolt (7) is matched with the threaded hole (11), the length of the bolt (7) is equal to the depth of the threaded hole (11) plus the thickness of the baffle (6), and the part of the bolt (7) extending out of the threaded hole (11) is not provided with threads.

3. An anti-static biometric identification device in accordance with claim 1 further comprising: the aluminum foil (26) is located on the inner wall of the machine shell (1) and the lower portion of the rubber frame (2) and corresponds to the inner wall of the machine shell (1) and the lower portion of the rubber frame (2), the machine shell (1) is coated with the aluminum foil (26), and the machine shell (1) is sealed and is not communicated with air.

4. An anti-static biometric identification device in accordance with claim 1 further comprising: the shape of the deep groove (24) is a cylindrical hole with a round angle, the elastic ball (8) is movably connected inside the deep groove (24), and the volume of the deep groove (24) is larger than that of the elastic ball (8).

5. An anti-static biometric identification device in accordance with claim 1 further comprising: the center line of the notch (17) is arc-shaped, and the straight hole (16) and the notch (17) are matched with the bolt (7).

6. An anti-static biometric identification device in accordance with claim 1 further comprising: the chamfer (22) and the edge expanding (23) are matched, the glass plate (3) is made of organic glass, the door frame (5) is made of metal materials, and the rubber frame (2), the elastic ball (8), the fixture block (10) and the ejector block (18) are made of elastic rubber materials.

7. An anti-static biometric identification device in accordance with claim 1 further comprising: the clamping groove (12) is matched with the clamping block (10), the inclined groove (13) is matched with the inclined angle (25), the tight groove (14) is in interference fit with the clamping block (10), and the inclination angle of the transition groove (15) is 45 degrees.