阅读说明：本技术 一种基于智慧门禁的身份识别装置 (Identity recognition device based on wisdom entrance guard ) 是由 阮厚勇 胡汉东 郭慧亮 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种基于智慧门禁的身份识别装置,具体涉及智慧门禁技术领域,包括门体,所述门体一侧中部开设的方孔内通过螺栓固定安装有电插锁,所述门体外壁中部镶嵌有红外感应开关,所述门体外壁中部开设有收纳槽。本发明通过保护壳、收纳槽和微型多级电动推杆来收纳人脸识别仪,通过红外感应开关感知用户,有用户需要时自动伸出人脸识别仪,识别完成后收入保护壳与收纳槽中,避免人脸识别仪一直暴露在外界环境下,间接延长人脸识别仪的使用寿命,也降低了灰尘对人脸识别仪的影响,第一复位弹簧既可对保护壳与人脸识别仪进行连接,也可在保护壳受到撞击时对人脸识别仪进行弹性保护,提高了装置的实用性。(The invention discloses an identity recognition device based on a smart entrance guard, and particularly relates to the technical field of smart entrance guards. The face recognition instrument is stored through the protective shell, the storage groove and the miniature multistage electric push rod, a user is sensed through the infrared induction switch, the face recognition instrument automatically stretches out when the user needs the face recognition instrument, the face recognition instrument is stored into the protective shell and the storage groove after recognition is finished, the face recognition instrument is prevented from being exposed to the outside environment all the time, the service life of the face recognition instrument is indirectly prolonged, the influence of dust on the face recognition instrument is also reduced, the first reset spring can be used for connecting the protective shell and the face recognition instrument, the face recognition instrument can be elastically protected when the protective shell is impacted, and the practicability of the device is improved.)

1. The utility model provides an identification device based on wisdom entrance guard, includes door body (1), its characterized in that: the electric mortise lock is characterized in that an electric mortise lock (11) is fixedly arranged in a square hole formed in the middle of one side of the door body (1) through a bolt, an infrared induction switch (13) is inlaid in the middle of the outer wall of the door body (1), a containing groove (2) is formed in the middle of the outer wall of the door body (1), the containing groove (2) is positioned under the infrared induction switch (13), a miniature multistage electric push rod (21) is fixedly arranged at the center of the inner wall of the containing groove (2) through the bolt, a face recognition instrument (22) is fixedly arranged at the output end of the miniature multistage electric push rod (21) through the bolt, two first reset springs (23) which are symmetrically distributed are bonded on one side of the face recognition instrument (22) away from the miniature multistage electric push rod (21), a protective shell (24) is welded at one end of each first reset spring (23), one side of the protective shell (24) is rotatably connected in the containing groove (2) through a rotating shaft, the two protective housings (24) are contacted, the bottom of the outer wall of the door body (1) is rotatably connected with the baffle (3) through a rotating shaft, the bottom of the outer wall of the door body (1) is provided with a hidden groove (4), one side of the top of the hidden groove (4) is rotatably connected with a hidden door (41) through a rotating shaft, one side of the hidden door (41) is contacted with the outer wall of the baffle (3), the bottom of the hidden door (41) is matched and buckled with the bottom of the inner wall of the hidden groove (4) through a pressing type spring lock (42), the inner wall of the hidden groove (4) is fixedly provided with a fingerprint identification instrument (43) through a bolt, one side of the hidden door (41) close to the fingerprint identification instrument (43) is rotatably connected with a connecting rod (5) through a hinged support, an inclined second reset spring (52) is welded between the top of the connecting rod (5) and the outer wall of the hidden door (41), and the top end of the connecting rod (5) is rotatably connected with a eliminating plate (53) through a rotating shaft, eliminate the welding and have the third reset spring (54) of slope between board (53) one side and connecting rod (5) top, one side welding that third reset spring (54) were kept away from in elimination board (53) has evenly distributed's branch (6), branch (6) one end welding has arc seat (61), arc seat (61) internal rotation cover has elimination ball (62), it has evenly distributed's rubber hemisphere (63) to eliminate ball (62) outer bonding, rubber hemisphere (63) one side contacts with fingerprint identification appearance (43) outer wall, arc seat (61) outer wall bonding has evenly distributed's brush hair (64), it all contacts with brush hair (64) to eliminate ball (62) and rubber hemisphere (63).

2. The intelligent entrance guard-based identity recognition device according to claim 1, wherein: the infrared induction switch (13) and the miniature multistage electric push rod (21) are both electrically connected with the face recognition instrument (22), and the face recognition instrument (22) and the fingerprint recognition instrument (43) are both electrically connected with the electric mortise lock (11).

3. The intelligent entrance guard-based identity recognition device according to claim 2, wherein: the middle part of one side of the baffle (3) is provided with a sliding chute (31), a supporting plate (32) is sleeved in the sliding chute (31) in a sliding mode, and an electric telescopic rod (33) is fixedly installed at the bottom of one side, far away from the sliding chute (31), of the supporting plate (32).

4. The intelligent entrance guard-based identity recognition device according to claim 3, wherein: the electric telescopic rod (33) is characterized in that a pressing plate (34) is fixedly mounted at the bottom of the output end of the electric telescopic rod (33), the electric telescopic rod (33) is vertically distributed with the supporting plate (32), and the supporting plate (32) is vertically distributed with the baffle (3).

5. The intelligent entrance guard-based identity recognition device according to claim 4, wherein: one side of the top of the supporting plate (32) is fixedly provided with a foot switch (35) through a bolt, and the electric telescopic rod (33) is electrically connected with the foot switch (35).

6. The intelligent entrance guard-based identity recognition device according to claim 5, wherein: a positioning groove (14) is formed in the door body (1), and a storage battery (15) is fixedly mounted in the positioning groove (14) through a bolt.

7. The intelligent entrance guard-based identity recognition device of claim 6, wherein: the infrared induction switch (13), the fingerprint identification instrument (43) and the foot switch (35) are electrically connected with the storage battery (15), and the storage battery (15) is electrically connected with an external power supply.

8. The intelligent entrance guard-based identity recognition device according to claim 1, wherein: the door body (1) outer wall middle part fixed mounting has doorbell (12), baffle (3) are located backup pad (32) and hide between door (41).

9. The intelligent entrance guard-based identity recognition device according to claim 1, wherein: one side of the hidden door (41) far away from the baffle (3) is welded with a limiting block (51), and the top of the limiting block (51) is in contact with the bottom of the connecting rod (5).

10. The intelligent entrance guard-based identity recognition device according to claim 2, wherein: the length dimension of the connecting rod (5) is larger than the depth dimension of the hidden groove (4), and the connecting rod (5) and the eliminating plate (53) are both positioned between the hidden door (41) and the fingerprint identification instrument (43).

Technical Field

The invention relates to the technical field of intelligent access control, in particular to an identity recognition device based on intelligent access control.

Background

The intelligent entrance guard is a modern safety management system, it integrates microcomputer automatic identification technology and modern safety management measures into one body, and it relates to many new technologies of electronics, machinery, optics, computer technology, communication technology and biological technology. The method is an effective measure for realizing safety precaution management at the entrance and exit of important departments. The system is suitable for various essential departments, such as banks, hotels, machine rooms, ordnance depots, essential rooms, offices, intelligent districts, factories and the like. The access control technology is developed rapidly today when the digital technology network technology is developed rapidly. The entrance guard system surpasses the simple gateway and key management, and has gradually developed into a set of complete entrance and exit management system. It plays a great role in the administrative management work such as the work environment safety, personnel attendance management and the like. Smart doors are often installed in doors for entry and exit in areas such as homes and residential areas.

Among current family entrance guard, the householder often adopts face identification appearance to carry out identity recognition to the mode that the face discerned, obtain the business turn over authority, and it is under the environment that exposes all the time when face identification appearance does not use, can accelerate face identification appearance's ageing after the weather of blowing, shorten its life, and face identification appearance exposes the surface for a long time and collects up the dust easily, the dust can shelter from face identification appearance probe, face identification's success rate is reduced, and in case power failure or face identification appearance take place to damage the back, the entrance guard just can't be opened, influence the normal business turn over of householder, so can't satisfy current technological needs.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

In order to overcome the above defects in the prior art, an embodiment of the present invention provides an identity recognition device based on smart door entry, and the technical problems to be solved by the present invention are: through the setting of accomodating groove, miniature multistage electric putter, first reset spring, protective housing, battery, hiding groove and fingerprint identification appearance, solved and can't close and protect face identification appearance idle, can't guarantee the problem of entrance guard's normal operating when having a power failure or face identification appearance damage.

In order to achieve the purpose, the invention provides the following technical scheme: an identity recognition device based on a smart entrance guard comprises a door body, an electric mortise lock is fixedly installed in a square hole formed in the middle of one side of the door body through a bolt, an infrared induction switch is inlaid in the middle of the outer wall of the door body, a containing groove is formed in the middle of the outer wall of the door body and is located under the infrared induction switch, a miniature multi-stage electric push rod is fixedly installed in the center of the inner wall of the containing groove through the bolt, a face recognition instrument is fixedly installed at the output end of the miniature multi-stage electric push rod through the bolt, two first reset springs which are symmetrically distributed are bonded on one side of the face recognition instrument, away from the miniature multi-stage electric push rod, a protective shell is welded at one end of each first reset spring, one side of each protective shell is rotatably connected in the containing groove through a rotating shaft, the two protective shells are contacted with each other, and a baffle is rotatably connected to the bottom of the outer wall of the door body through the rotating shaft, the hidden groove is formed in the bottom of the outer wall of the door body, one side of the top of the hidden groove is rotatably connected with a hidden door through a rotating shaft, one side of the hidden door is contacted with the outer wall of the baffle plate, the bottom of the hidden door is matched and buckled with the bottom of the inner wall of the hidden groove through a pressing type spring lock catch, the inner wall of the hidden groove is fixedly provided with a fingerprint identification instrument through a bolt, one side of the hidden door close to the fingerprint identification instrument is rotatably connected with a connecting rod through a hinged support, an inclined second reset spring is welded between the top of the connecting rod and the outer wall of the hidden door, the top end of the connecting rod is rotatably connected with an eliminating plate through the rotating shaft, an inclined third reset spring is welded between one side of the eliminating plate and the top end of the connecting rod, one side of the eliminating plate far away from the third reset spring is welded with evenly distributed supporting rods, one end of each supporting rod is welded with a circular arc seat, and an eliminating ball is rotatably sleeved in the circular arc seat, the outer bonding of elimination ball has evenly distributed's rubber hemisphere, rubber hemisphere one side contacts with fingerprint identification appearance outer wall, circular arc seat outer wall bonds has evenly distributed's brush hair, elimination ball and rubber hemisphere all contact with the brush hair.

In a preferred embodiment, the infrared induction switch and the miniature multistage electric push rod are both electrically connected with a face recognition instrument, the face recognition instrument and the fingerprint recognition instrument are both electrically connected with an electric mortise lock, and the electric mortise lock can lock the device on the door pocket.

In a preferred embodiment, a sliding groove is formed in the middle of one side of the baffle, a supporting plate is sleeved in the sliding groove in a sliding mode, an electric telescopic rod is fixedly installed at the bottom of one side, away from the sliding groove, of the supporting plate through a bolt, and the supporting plate can be driven to lift and move in the sliding groove after the electric telescopic rod stretches.

In a preferred embodiment, a pressing plate is fixedly installed at the bottom of the output end of the electric telescopic rod, the electric telescopic rod is vertically distributed with a supporting plate, the supporting plate is vertically distributed with a baffle, and a plurality of vertically distributed components are convenient for people to tread.

In a preferred embodiment, a foot switch is fixedly installed on one side of the top of the supporting plate through a bolt, the electric telescopic rod is electrically connected with the foot switch, and the foot switch can be controlled by stepping on the foot switch, so that the operation is simple and convenient.

In a preferred embodiment, a positioning groove is formed in the door body, a storage battery is fixedly mounted in the positioning groove through a bolt, and the storage battery can be powered emergently after power failure.

In a preferred embodiment, the infrared sensing switch, the fingerprint recognizer and the foot switch are all electrically connected with a storage battery, the storage battery is electrically connected with an external power supply, and the storage battery can be used for supplying power.

In a preferred embodiment, door body outer wall middle part fixed mounting has the doorbell, the baffle is located the backup pad and hides between the door, and the doorbell is convenient for remind people.

In a preferred embodiment, a limit block is welded on one side of the hidden door away from the baffle, the top of the limit block is in contact with the bottom of the connecting rod, and the limit block can partially support the connecting rod.

In a preferred embodiment, the length dimension of the connecting rod is greater than the depth dimension of the hidden slot, and the connecting rod and the eliminating plate are both located between the hidden door and the fingerprint identification device, so that the hidden door and the fingerprint identification device can hide and protect the connecting rod and the eliminating plate.

The invention has the technical effects and advantages that:

1. the face recognition instrument is stored through the protective shell, the storage groove and the miniature multistage electric push rod, a user is sensed through the infrared induction switch, the face recognition instrument automatically stretches out when the user needs the face recognition instrument, the face recognition instrument is stored into the protective shell and the storage groove after recognition is finished, the face recognition instrument is prevented from being exposed to the outside environment all the time, the service life of the face recognition instrument is indirectly prolonged, the influence of dust on the face recognition instrument is also reduced, the first reset spring can be used for connecting the protective shell and the face recognition instrument, the face recognition instrument can be elastically protected when the protective shell is impacted, and the practicability of the device is improved.

2. The storage battery can ensure normal power supply in the device after power failure, when the face recognition instrument is damaged, the hidden door can be opened, the fingerprint recognition instrument in the hidden groove is utilized to carry out emergent fingerprint identity recognition to obtain access permission, the baffle can hide the hidden door, and the baffle can drive the supporting plate at one side to lift under the matching of the electric telescopic rod and the foot switch, so that people with shorter height can be padded up conveniently, the identity of the face recognition instrument can be recognized conveniently, people with different heights can use the device conveniently, and the applicability of the device is improved.

3. The second return spring and the third return spring of the invention press the eliminating plate to the fingerprint recognizer firstly due to the elasticity, and the eliminating ball is driven to roll through the process of opening and closing the hidden door by people, the moving of the eliminating ball and the rubber hemisphere can destroy and abrade the fingerprint left on the fingerprint recognizer, so as to prevent the fingerprint from being stolen by lawless persons, meanwhile, the brush hair can also scrub the moving eliminating ball and the rubber hemisphere, so as to scrape the foreign matters on the eliminating ball and the rubber hemisphere, prevent the foreign matters from accumulating to block the rotation of the eliminating ball, the friction force is small when the eliminating ball and the rubber hemisphere roll, and the fingerprint recognizer can not be scraped due to the elasticity of the two springs, so that the rubber hemisphere can be always attached to the fingerprint recognizer, the fingerprint on the fingerprint recognizers with different types and specifications can be destroyed, and the destruction process of the fingerprint can be completed by people only needing to open and close the hidden door on the whole, simple operation and is suitable for mass production.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a side view of the overall structure of the present invention.

Fig. 3 is a side sectional view of the overall structure of the present invention.

FIG. 4 is an enlarged view of the structure A of FIG. 3 according to the present invention.

FIG. 5 is an enlarged view of the structure B in FIG. 3 according to the present invention.

FIG. 6 is an enlarged view of the structure C of FIG. 5 according to the present invention.

FIG. 7 is an enlarged view of structure D of FIG. 6 according to the present invention.

Fig. 8 is a top sectional view of the overall structure of the present invention.

FIG. 9 is an enlarged view of structure E of FIG. 8 according to the present invention.

Fig. 10 is a top view of the arc seat of the present invention.

Fig. 11 is a front view of an elimination ball and rubber hemisphere of the present invention.

The reference signs are: 1. a door body; 11. an electric mortise lock; 12. a doorbell; 13. an infrared inductive switch; 14. positioning a groove; 15. a storage battery; 2. a receiving groove; 21. a miniature multistage electric push rod; 22. a face recognition instrument; 23. a first return spring; 24. a protective shell; 3. a baffle plate; 31. a chute; 32. a support plate; 33. an electric telescopic rod; 34. pressing a plate; 35. a foot switch; 4. hiding the groove; 41. a hidden door; 42. a pressing type spring lock catch; 43. a fingerprint recognizer; 5. a connecting rod; 51. a limiting block; 52. a second return spring; 53. an elimination plate; 54. a third return spring; 6. a strut; 61. an arc seat; 62. eliminating the ball; 63. a rubber hemisphere; 64. and (3) brush hairs.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to fig. 1-11, the invention provides an identity recognition device based on a smart entrance guard, which comprises a door body 1, wherein an electric mortise lock 11 is fixedly installed in a square hole formed in the middle of one side of the door body 1 through a bolt, the door body 1 can be fixed in a door pocket by the electric mortise lock 11, an infrared induction switch 13 is embedded in the middle of the outer wall of the door body 1, the infrared induction switch 13 can utilize an outer red line to induce the periphery, a storage groove 2 is formed in the middle of the outer wall of the door body 1, the storage groove 2 is convenient for storing a face recognition instrument 22, the storage groove 2 is positioned under the infrared induction switch 13, a micro multi-stage electric push rod 21 is fixedly installed in the center of the inner wall of the storage groove 2 through a bolt, a face recognition instrument 22 is fixedly installed at the output end of the micro multi-stage electric push rod 21 through a bolt, the face recognition instrument 22 can be driven to move transversely after the micro multi-stage electric push rod 21 is stretched, two first reset devices which are symmetrically distributed are adhered to one side of the face recognition instrument 22 away from the micro multi-stage electric push rod 21 A spring 23, a protective shell 24 is welded at one end of the first reset spring 23, the first reset spring 23 can connect the protective shell 24 and the face recognition instrument 22, one side of the protective shell 24 is rotatably connected in the accommodating groove 2 through a rotating shaft, so as to support and limit the protective shell 24, the two protective shells 24 are contacted, so that the two protective shells 24 can shield the accommodating groove 2 after being contacted, the bottom of the outer wall of the door body 1 is rotatably connected with a baffle 3 through the rotating shaft, the bottom of the outer wall of the door body 1 is provided with a hidden groove 4, the baffle 3 can hide the hidden groove 4, one side of the top of the hidden groove 4 is rotatably connected with a hidden door 41 through the rotating shaft, the hidden door 41 can rotate on the hidden groove 4, one side of the hidden door 41 is contacted with the outer wall of the baffle 3, so as to facilitate the connection between the two, the bottom of the hidden door 41 is matched and fastened with the bottom of the inner wall of the hidden groove 4 through a press type spring fastener 42, the hidden door 41 is conveniently fixed in the hidden groove 4, the pressing type spring lock catch 42 is the prior art, the hidden door can be pressed and closed once, the inner wall of the hidden groove 4 is fixedly provided with a fingerprint identification instrument 43 through a bolt, the fingerprint identification instrument 43 is convenient for people to identify by utilizing fingerprints, one side of the hidden door 41 close to the fingerprint identification instrument 43 is rotatably connected with a connecting rod 5 through a hinged support, the connecting rod 5 is convenient to rotate, an inclined second return spring 52 is welded between the top of the connecting rod 5 and the outer wall of the hidden door 41, the elastic force of the second return spring 52 can press the connecting rod 5 to one side, the top end of the connecting rod 5 is rotatably connected with a eliminating plate 53 through a rotating shaft, the eliminating plate 53 is convenient to support and limit, an inclined third return spring 54 is welded between one side of the eliminating plate 53 and the top end of the connecting rod 5, the elastic force of the third return spring 54 can press the eliminating plate 53 to the fingerprint identification instrument 43, the elimination plate 53 is far away from one side of the third reset spring 54 and is welded with evenly distributed supporting rods 6, one end of each supporting rod 6 is welded with a circular arc seat 61, the supporting rods 6 are convenient to connect the circular arc seats 61 and the elimination plate 53, an elimination ball 62 is sleeved in the circular arc seats 61 in a rotating mode, the circular arc seats 61 are in the shape of hollow spheres and are convenient to limit the elimination ball 62, evenly distributed rubber hemispheres 63 are bonded outside the elimination ball 62, the rubber hemispheres 63 can partially scrape grease and sweat stains on the fingerprints when the elimination ball 62 rolls so as to destroy the fingerprints, the rubber hemispheres 63 have elasticity and can also play a role in preventing the fingerprint identification instrument 43 from being scraped, one side of each rubber hemisphere 63 is in contact with the outer wall of the fingerprint identification instrument 43, evenly distributed bristles 64 are bonded on the outer wall of the circular arc seats 61, the elimination ball 62 and the rubber hemispheres 63 are both in contact with the bristles 64, the bristles 64 can scrub the surfaces of the elimination ball 62 and the rubber hemispheres 63 when the elimination ball 62 and the rubber hemispheres 63 move, removing the accumulated foreign matter.

Infrared induction switch 13 and miniature multistage electric putter 21 all with face identification appearance 22 electric connection, infrared induction switch 13 senses to have the user to be close the back and can open face identification appearance 33, controller in the face identification appearance 22 can be controlled opening and closing miniature multistage electric putter 21, be convenient for open miniature multistage electric putter 21 when the user is close, it removes to drive face identification appearance 33, face identification appearance 22 and fingerprint identification appearance 43 all with 11 electric connection of electric mortiser lock, face identification appearance 22 and fingerprint identification appearance 43 all can control electric mortiser lock 11.

Spout 31 has been seted up at 3 one side middle parts of baffle, and sliding sleeve has backup pad 32 in spout 31, and spout 31 can carry on spacingly and support backup pad 32, and there is electric telescopic handle 33 one side bottom that spout 31 was kept away from to backup pad 32 through bolt fixed mounting, is convenient for fix electric telescopic handle 33, can drive backup pad 32 and go up and down after electric telescopic handle 33 stretches out and draws back.

The pressing plate 34 is fixedly installed at the bottom of the output end of the electric telescopic rod 33, so that the electric telescopic rod 33 and the ground can be conveniently connected with each other, the electric telescopic rod 33 can also be supported, the electric telescopic rod 33 and the supporting plate 32 are vertically distributed, and the supporting plate 32 and the baffle 3 are vertically distributed, as shown in fig. 2.

There is foot switch 35 in backup pad 32 top one side through bolt fixed mounting, is convenient for fix foot switch 35, and electric telescopic handle 33 and foot switch 35 electric connection, foot switch 35 can open and close electric telescopic handle 33.

A positioning groove 14 is formed in the door body 1, a storage battery 15 is fixedly mounted in the positioning groove 14 through a bolt, and the positioning groove 14 is convenient for people to mount the storage battery 15 in the door body 1.

Infrared induction switch 13, fingerprint identification appearance 43 and foot switch 35 all with battery 15 electric connection, battery 15 carries out emergency power supply to parts such as infrared induction switch 13, fingerprint identification appearance 43 and foot switch 35, and battery 15 and external power source electric connection are convenient for charge battery 15.

The doorbell 12 is fixedly mounted in the middle of the outer wall of the door body 1, so that people can press the doorbell 12 to remind a householder, and the baffle 3 is located between the supporting plate 32 and the hidden door 41, so that the baffle 3 can hide the hidden door 41.

Hide one side welding that door 41 kept away from baffle 3 and have stopper 51, stopper 51 top contacts with connecting rod 5 bottom, and stopper 51 can carry on spacingly to connecting rod 5, prevents that connecting rod 5 from rotating excessively.

The length dimension of the connecting rod 5 is larger than the depth dimension of the hidden slot 4, so that the connecting rod 5 can rotate slowly when the hidden door 41 is opened, and both the connecting rod 5 and the eliminating plate 53 are located between the hidden door 41 and the fingerprint recognition device 43.

The working principle of the invention is as follows: when the device is used, the infrared induction switch 13 can induce the surrounding environment through infrared, when a user approaches, the infrared induction switch 13 can open the face recognition instrument 22, the face recognition instrument 22 extends the miniature multistage electric push rod 21, the protective shell 24 is opened through the first reset spring 23, the face recognition instrument 22 automatically extends out, after recognition, if the identity is matched with the face recognition instrument 22, the electric mortise lock 11 is controlled to shorten, the door body 1 is opened, the user enters, after the same recognition is completed, the miniature multistage electric push rod 21 shortens, the face recognition instrument 22 is automatically collected into the protective shell 24 and the collecting groove 2, wherein the first reset spring 23 can connect the protective shell 24 with the face recognition instrument 22, and can also elastically protect the face recognition instrument 22 when the protective shell 24 is impacted, the storage battery 15 can ensure the normal power supply in the device after power failure, when the face recognition instrument 22 is damaged, the baffle 3 can be firstly opened, the hidden door 41 is pressed, the hidden door 41 can be bounced off under the elasticity of the pressing type spring lock catch 42, emergency fingerprint identification can be carried out by using the fingerprint identification instrument 43 in the hidden groove 4 at the moment, the access authority can be obtained, when a user is short, the electric telescopic rod 33 can be controlled by pressing the foot pedal switch 35 by using the foot, the electric telescopic rod 33 can drive the supporting plate 32 to lift after stretching, people with short height can be conveniently cushioned by using the supporting plate 32, the identity identification of the people can be conveniently carried out by the face identification instrument, the people with different heights can conveniently use, the second return spring 52 and the third return spring 54 can firstly press the eliminating plate 53 to the fingerprint identification instrument 43 due to the elasticity, through the process that people lift and close the hidden door 41, the eliminating ball 62 is driven to roll in the arc seat 61 by pulling of the connecting rod 5, the fingerprint remained on the fingerprint identification instrument 43 can be damaged and eliminated by the movement of the eliminating ball 62 and the rubber hemisphere 63, meanwhile, the fixed bristles 64 can also scrub the removing ball 62 and the rubber hemisphere 63 in movement, foreign matters on the removing ball 62 and the rubber hemisphere 63 are scraped away, the foreign matters are prevented from being accumulated to block the removing ball from rotating, and the fingerprint identification instrument cannot be scraped due to small friction force when the removing ball 62 and the rubber hemisphere 63 roll.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.