CN112489261A - Multifunctional finger vein lock and unlocking method thereof - Google Patents

Abstract

The invention discloses a multifunctional finger vein lock and an unlocking method thereof, which are characterized in that: the multi-functional finger vein lock includes: the lock body module, can discern the authority identification module including user's finger vein texture and user's IC ID card information, an information feedback module and a host system for telling that the user has or not authority, host system receives the identification information that authority identification module sent, judge whether identification information is authorized, obtain the verification result, and send the verification result to information feedback module and feed back to the user, if verify that then send the signal of opening the lock body to the lock body module simultaneously, the advantage is: the multifunctional electronic lock can be opened in various modes including finger vein texture identification, IC/ID card identification and mechanical unlocking, permanent authority personnel and temporary authority personnel are convenient to authorize, and meanwhile, the sudden conditions of battery power failure, hardware damage and the like can be met, so that the part layout is compact, the matching is tight, and the space is saved.

Description

Multifunctional finger vein lock and unlocking method thereof

Technical Field

The invention relates to the field of intelligent locks, in particular to a multifunctional finger vein lock and an unlocking method thereof.

Background

Along with the improvement of the living standard of people and the attention to safety precaution, and along with the maturity and the development of intelligent house, internet of things, domestic intelligent lock develops the iteration fast, however comparatively speaking, industrial-grade intelligent lock develops comparatively slowly, still takes traditional mechanical unlocking mode as the main, has the key easily to lose, easily forgets, easily duplicates the scheduling problem.

At present, most of existing intelligent locks adopt fingerprint identification, and compared with the existing intelligent locks, the finger vein identification technology has the characteristics of high accuracy, difficulty in copying, difficulty in damaging the characteristics existing in the human body and the like. The existing finger vein lock structures have the defects that the unlocking mode is single, and if a finger vein module is damaged, an emergency method is not available.

For example, a finger vein lock (publication number CN 109903444A) disclosed in the invention patent of china, which uses a system start instruction to make a signal acquisition module acquire an image signal of a current individual, an advertisement output module outputs advertisement information, an analysis and judgment module acquires the current individual information, and outputs an unlocking instruction when the current individual information satisfies the finger vein texture feature and matches the individual information, so that the control module controls a lock structure to perform an unlocking reaction and the advertisement output module stops outputting advertisement information to play voice information. Therefore, the user can enjoy the advertisement when waiting for the lock to respond to the unlocking process, and the system resources and the time of the user can be better utilized; meanwhile, the advertising time can be efficiently limited in the time from the time when the user waits for the lock to respond to the unlocking, and the advertising time is not wasted; the advertisement form possesses the variety, and when receiving the action instruction of unblanking, still reminds user's tool to lock to open through broadcast voice message, further improves user experience nature. However, the finger vein lock only has an unlocking mode of finger vein identification, if a finger vein module is damaged, a solution cannot be quickly found, so that the finger vein lock cannot be used in important occasions, and the reliability is not enough; in addition, the finger vein lock cannot provide an effective solution for personnel who need permission temporarily, if the personnel need temporary unlocking permission, veins need to be input, and after the finger vein lock is used, the vein feature needs to be deleted from a storage warehouse, so that the operation process is complicated.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the multifunctional finger vein lock and the unlocking method thereof, the multifunctional finger vein lock can be opened in various modes including finger vein texture recognition, IC/ID card recognition and mechanical unlocking, the authorization of permanent authority personnel and temporary authority personnel is facilitated, meanwhile, the sudden conditions of battery power failure, hardware damage and the like can be met, the part layout is compact, the matching is tight, and the space is saved.

The technical scheme adopted by the invention for solving the technical problems is as follows: a multi-functional finger vein lock comprising:

the lock body module is used for assembling mechanical and circuit parts to realize mechanical transmission;

the authority identification module is used for identifying one or more user authorities to obtain identification information;

the information feedback module is used for informing the user of the permission, comprises a loudspeaker and matched hardware and is used for sending different prompt tones to inform the user whether the verification is successful or not when the verification is successful and the verification is failed;

and the master control module receives the identification information sent by the authority identification module, judges whether the identification information is authorized or not, obtains a verification result, sends the verification result to the information feedback module to feed back the verification result to a user, and simultaneously sends a signal for opening the lock body to the lock body module if the verification is passed.

In some embodiments, the authority identification module includes a finger vein module and an IC/ID card reading module, the finger vein module and the IC/ID card reading module are respectively connected to the main control module, and are respectively used for identifying finger vein textures of a user and IC/ID card information of the user, and respectively obtaining a finger vein texture verification result and an IC/ID card verification result; the mechanical lock is characterized by further comprising a mechanical lock module, and the mechanical lock module is matched with a mechanical key to manually control the lock body module to be unlocked.

In some embodiments, the lock body module includes a lock base, a lock handle disposed outside the lock base, and a driving mechanism, an eccentric wheel, a sliding mechanism and an elastic reset mechanism disposed in the lock base, the lock base is used for carrying mechanical parts and circuit hardware, the IC/ID card reading module is disposed at the top end of the lock base and covered with an acrylic panel, the finger vein module is disposed in the lock base and located below the IC/ID card reading module, the driving mechanism is fixed at the bottom end of the lock base, the eccentric wheel is mounted on an output shaft of the driving mechanism, a rotating surface of the eccentric wheel abuts against one end of the sliding mechanism, and the other end of the sliding mechanism is connected with the elastic reset mechanism, the outer surface of the lock base is provided with a through hole, the outer end of the sliding mechanism penetrates through the through hole to be connected with the lock handle in a clamping manner, the driving mechanism is electrically connected with the main control module, and after a signal for opening the lock body sent by the main control module is received, the driving mechanism drives the eccentric wheel to rotate to push the sliding mechanism to move upwards to be separated from the lock handle, the lock handle is automatically popped out, and the elastic resetting mechanism pushes the sliding mechanism to move downwards to reset; the mechanical lock module is arranged at the bottom end of the lock base and is positioned below the sliding mechanism, the mechanical lock module comprises a lock tongue, and after a mechanical key is matched with the mechanical lock module, the lock tongue rotates to push the sliding mechanism to enable the lock handle to pop up. The lock body structure has the advantages that mechanical parts and hardware are arranged in the lock base, the mechanical transmission mode is compact in layout, the matching is tight, the transmission is reliable, the arrangement of lines is reasonable, and the space is saved.

In some embodiments, the sliding mechanism includes a lock slide plate and a lock slide block, the bottom of the lock slide block has two cylinder blocks, the cylinder blocks are disposed in the through hole, the other end of the lock slide plate is rigidly connected to the lock slide plate, the bottom end of the lock slide plate abuts against the rotating surface of the eccentric wheel, the top end of the lock slide plate is connected to the elastic return mechanism, the width of the through hole is equivalent to the diameter of the cylinder block, the length of the through hole is equivalent to the stroke of the lock slide block, a latch mechanism is disposed between the bottom of the lock slide block and the grip portion of the lock handle, the latch mechanism is disengaged when the lock slide block moves upward to eject the lock handle, the driving mechanism drives the eccentric wheel to rotate to push the lock slide plate and the lock slide block to move upward synchronously to disengage from the lock handle, the lock handle is automatically popped out, and the elastic reset mechanism pushes the lock sliding plate and the lock sliding block to synchronously reset downwards. The lock sliding block slides up and down in the matched through hole, and the lock handle is released and popped out when the lock sliding block moves forwards in the through hole; two cylinder pieces can improve structural stability around setting up, prevent to slide in-process skew.

In some embodiments, the elastic return mechanism includes a spring, a spring seat and a spring pressing plate, the spring seat is installed in the lock base, one end of the spring is connected with the top end of the lock sliding plate, the other end of the spring is arranged in the spring seat, and the spring pressing plate is covered on the spring seat to prevent the spring from flying out; the rear end of the lock sliding plate is provided with a positioning hole, the inner wall of the outer side of the lock base is provided with a guide post, and the guide post synchronously moves up and down in the positioning hole; the clamping mechanism comprises a clamping groove formed in the bottom of the lock sliding block and a baffle arranged on the inner side of the holding part of the lock handle, the baffle is clamped in the clamping groove to enable the lock handle to be locked on the lock base, and after the lock sliding block moves upwards, the baffle is separated from the clamping groove to enable the lock handle to be automatically ejected. Through the cooperation structure that sets up guide post and locating hole, can increase the anti-excursion intensity of slide mechanism's rear end, make the lock slide can not misplace or turn to when removing, further improve structural stability.

In some embodiments, a gear hole plate is fixed in the lock base and below the finger vein module, the gear hole plate comprises a first mounting hole and two second mounting holes which are symmetrically arranged, a first gear is mounted in the first mounting hole, an input shaft of the first gear is connected with the connecting part of the lock handle, a second gear is mounted in any one of the second mounting holes, an input shaft of the second gear is connected with an output shaft of the first gear, and an output shaft of the second gear is matched with a part in the cabinet to be mounted to realize the opening and closing of the cabinet door. Through setting up two second mounting holes on a left side and a right side, but selective installation second gear when using, the cooperation such as world pole of output shaft on the second gear and the part in the rack realizes opening and closing of rack door, sets up two from the driving wheel mounting hole, can realize locking two kinds of steering of handle, conveniently cooperates the original direction of unblanking of rack, improves practicality and convenience.

In some embodiments, a photoelectric sensor is arranged in the lock base and used for sensing the position of the eccentric wheel and ensuring that the eccentric wheel rotates exactly one turn each time the lock is unlocked, and the photoelectric sensor transmits a detected signal to the main control module; the lock is characterized in that sliding plate extending parts are arranged on two sides of the lock sliding plate, a plurality of guide rails are correspondingly arranged on the inner side wall of the lock base, and the sliding plate extending parts are matched with the guide rails to play a role in guiding.

In some embodiments, the lock base is provided with a lock back plate for wrapping parts, the lock back plate is provided with an operation port, the main control module is arranged at the operation port, the main control module is provided with a power interface and an additional finger vein switch, the power interface is used for an external power supply, and the additional finger vein switch is used for controlling the finger vein module to start collecting finger vein textures of a user.

The unlocking method of the multifunctional finger vein lock comprises the following steps:

IC/ID card identification unlocking: the IC/ID card is close to the IC/ID card reading module by a user, the IC/ID card reading module is used for identification and verification, if the verification is passed, the main control module receives the verification passing signal and controls the information feedback module to send a prompt tone for successful verification, meanwhile, a signal for opening the lock body is sent to the lock body module, the driving mechanism drives the eccentric wheel to push the sliding mechanism to enable the lock handle to be tripped and pop out, and the user can unlock by holding the lock handle to rotate leftwards or rightwards; if the verification fails, the main control module receives the verification failure signal and controls the information feedback module to send out a prompt tone of the verification failure;

unlocking by finger vein texture recognition: a user puts fingers registered with finger veins into a finger vein module to detect finger vein textures, the finger vein module compares an acquired image with an image in a database after image processing, if the same sample exists, the comparison is passed, a main control module receives the comparison passing signal and controls an information feedback module to send a prompt tone for successful verification, meanwhile, a signal for opening a lock body is sent to a lock body module, a driving mechanism drives an eccentric wheel to push a sliding mechanism to enable a lock handle to be released and popped out, and the user can unlock by holding the lock handle to rotate left or right; if the comparison fails, the main control module receives the verification failure signal and controls the information feedback module to send out a prompt tone of the verification failure;

unlocking by a mechanical key: the matched mechanical key is inserted into the mechanical lock module to rotate, the lock tongue pushes the sliding mechanism to enable the lock handle to be tripped and ejected, and a user holds the lock handle to rotate leftwards or rightwards to unlock the lock.

In some embodiments, the unlocking method further comprises user finger vein entry before finger vein texture recognition, and the specific steps are as follows: a new user presses the finger vein adding switch, the information feedback module sends out a prompt tone for adding a finger vein, the user puts a finger into the finger vein module, whether imaging is clear or not is judged after the finger vein imaging processing of the user, if not, the user is prompted to put the finger again and repeated for a plurality of times, and after registration is successful, a prompt tone for successful registration is sent out to indicate that the user is authorized; the unlocking method further comprises the following steps: when the sensing area of the finger vein module senses a signal, the energy-saving dormant mode is closed, and the illumination of the finger vein module is turned on.

Compared with the prior art, the invention has the advantages that:

1) the finger vein lock adopts three unlocking modes including finger vein texture identification, IC/ID card identification and a mechanical lock module, personnel permission is conveniently granted according to grades, for example, the finger vein texture identification is used for permanent permission personnel authorization, the IC/ID card identification is used for temporary permission personnel authorization, the mechanical lock module is used for unlocking under emergency conditions of insufficient power supply, hardware damage and the like, and the application occasions are wide;

2) the finger vein lock has the advantages that mechanical parts and hardware of the finger vein lock are arranged in the lock base, so that the layout is compact, the matching is tight, the arrangement of lines is reasonable, and the space is saved;

3) the finger vein lock adopts the photoelectric detection switch, accurately senses the position of the eccentric wheel, and ensures that the eccentric wheel rotates for one circle and resets when unlocking each time;

4) the finger vein lock adopts the design of the independent lock back plate, can be installed by opening holes according to the original installation holes of equipment such as a cabinet and the like while protecting parts, and is more convenient and faster to use; the external power supply design is adopted, so that the power supply is convenient to replace, install and disassemble;

5) the invention relates to an unlocking method of a vein lock; by adopting various identification modes, personnel permission is conveniently granted according to grades, verification results can be fed back to users, an energy-saving sleep mode is provided, and illumination of the finger vein module is turned off when the finger vein module is not used by people for a long time, so that battery consumption is reduced;

6) finger vein lock has adopted two from the design of driving wheel mounting hole, when using this finger vein lock and rack cooperation, can realize that two kinds of locks the handle turn to, conveniently cooperates the original direction of unblanking of rack, but wide application in multiple industry scene has improved the practicality.

Drawings

FIG. 1 is a perspective view of an embodiment of a multi-functional finger vein lock of the present invention;

FIG. 2 is a front view of an embodiment of the multi-functional finger vein lock of the present invention;

FIG. 3 is a rear view of an embodiment of a multi-functional finger vein lock of the present invention;

FIG. 4 is a rear view of the multi-functional finger vein lock of FIG. 3 with the lock back plate hidden;

FIG. 5 is a schematic view of the inside of the lock base of the multi-functional finger vein lock of the present invention;

FIG. 6 is a schematic diagram of the outer side of the lock base of the multi-functional finger vein lock according to the present invention;

FIG. 7 is a schematic structural diagram of a lock slider of the multi-functional finger vein lock according to the present invention;

FIG. 8 is a schematic structural view of a lock slide plate of the multi-functional finger vein lock according to the present invention;

FIG. 9 is a flow chart of the present invention;

fig. 10 is a schematic diagram of the present invention.

The finger vein module 1, the IC/ID card reading module 2, the mechanical lock module 3, the lock base 4, the lock handle 5, the driving mechanism 6, the eccentric wheel 7, the sliding mechanism 8, the elastic reset mechanism 9, the through hole 10, the bolt 11, the lock sliding plate 12, the lock sliding block 13, the cylinder block 14, the hand holding portion 15, the connecting portion 16, the clamping groove 17, the threaded hole 18, the spring seat 19, the spring pressing sheet 20, the positioning hole 21, the guide post 22, the gear hole plate 23, the second mounting hole 24, the first gear 25, the second gear 26, the lock back plate 27, the operation port 28, the sliding plate extending portion 29, the guide rail 30 and the convex strip 31.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto.

Example one

As shown, a multi-functional finger vein lock includes:

the lock body module is provided with a lock body module,

a permission identification module for identifying one or more user permissions to obtain identification information,

an information feedback module for informing the user whether the user has the right or not, the information feedback module comprises a loudspeaker and matched hardware for sending different prompt tones to inform the user whether the verification is successful or not when the verification is successful and the verification is failed,

and the master control module receives the identification information sent by the authority identification module, judges whether the identification information is authorized or not, obtains a verification result, sends the verification result to the information feedback module to feed back the verification result to a user, and simultaneously sends a signal for opening the lock body to the lock body module if the verification is passed.

In this embodiment, the authority identification module includes a finger vein module 1 and an IC/ID card reading module 2, the finger vein module 1 and the IC/ID card reading module 2 are respectively connected to a main control module (not shown), and are respectively used for identifying finger vein textures of a user and IC/ID card information of the user, and respectively obtaining a finger vein texture verification result and an IC/ID card verification result; still include mechanical lock module 3, mechanical lock module 3 is through pairing manual control lock body module with mechanical key and unblanking.

Example two

The multifunctional finger vein lock provided by the embodiment is based on the first embodiment, and the structure of the lock body module is explained in detail. In this embodiment, the lock body module includes a lock base 4, a lock handle 5 disposed outside the lock base 4, and a driving mechanism 6, an eccentric wheel 7, a sliding mechanism 8 and an elastic reset mechanism disposed in the lock base 4, in this embodiment, the driving mechanism 6 is a motor. The lock base 4 is used for carrying mechanical parts and circuit hardware, the IC/ID card reading module 2 is arranged at the top end of the lock base 4, the exterior of the lock base 4 is covered with an acrylic panel, the finger vein module 1 is arranged in the lock base 4 and is positioned below the IC/ID card reading module 2, the driving mechanism 6 is fixed at the inner side of the bottom end of the lock base 4, the eccentric wheel 7 is arranged on an output shaft of the driving mechanism 6, the rotating surface of the eccentric wheel 7 is abutted against one end of the sliding mechanism 8, the other end of the sliding mechanism 8 is connected with the elastic reset mechanism 9, the outer surface of the lock base 4 is provided with a through hole 10, the outer end of the sliding mechanism 8 passes through the through hole 10 to be clamped and connected with the lock handle 5, the driving mechanism 6 is electrically connected with the main control module, after receiving a signal for opening the lock body sent by the main control module (namely, the verification of the IC/ID card or the finger vein texture is successful), the driving, the lock handle is automatically popped up, and the elastic reset mechanism 9 pushes the sliding mechanism 8 to reset downwards. Mechanical lock module 3 sets up in the bottom of lock base 4 and is located the below of slide mechanism 8, and mechanical lock module 3 includes spring bolt 11, and mechanical key and mechanical lock module pair back spring bolt rotation promote slide mechanism go up to make the lock handle pop out.

EXAMPLE III

The multifunctional finger vein lock provided in this embodiment is a structure of a sliding mechanism described in detail on the basis of the second embodiment. In this embodiment, the sliding mechanism 8 includes a lock sliding plate 12 and a lock sliding block 13, two cylinder blocks 14 are provided at the bottom of the lock sliding block 13, the cylinder blocks 14 are disposed in the through holes, the bottom ends of the cylinder blocks 14 are rigidly connected to the lock sliding plate 12 through threaded holes 18, the bottom end of the lock sliding plate 12 abuts against the rotating surface of the eccentric wheel 7, the top end of the lock sliding plate 12 is connected to the elastic return mechanism 9, the width of the through hole 10 is equal to or slightly larger than the diameter of the cylinder block 14, so that the cylinder block can move in the through hole, and the length of the through hole 10 is equal to the stroke of the lock sliding block 13.

The lock handle 5 comprises a hand holding part 15 and a connecting part 16 which are integrally formed, a clamping mechanism is arranged between the bottom of the lock sliding block 13 and the hand holding part 15 of the lock handle, when the lock sliding block 13 moves upwards, the clamping mechanism is unlocked to enable the hand holding part 15 of the lock handle to automatically pop up, the hand holding part 15 is held to rotate to drive the connecting part 16 to rotate, the connecting part 16 is connected with corresponding mechanisms (such as a top and bottom rod and the like) in the cabinet body, and the cabinet door is unlocked after the connecting part 16 is rotated. The driving mechanism 6 drives the eccentric wheel 7 to rotate to push the lock sliding plate 12 and the lock sliding block 13 to synchronously move upwards to be separated from the lock handle 5, the lock handle 5 automatically pops up, and the lock sliding plate 12 and the lock sliding block 13 are pushed to synchronously move downwards to reset through the elastic resetting mechanism 9.

In this embodiment, the engaging mechanism includes a slot 17 disposed at the bottom of the lock slider 13 and a baffle disposed at the inner side of the grip portion of the lock handle 5, and in a normal state, the baffle is engaged in the slot to lock the lock handle on the outer side of the lock base, and after receiving an unlocking signal, the motor drives the eccentric wheel to rotate to push the lock slider and the lock slider to move upward synchronously, and the baffle is disengaged from the slot, and the grip portion 15 of the lock handle is automatically ejected.

Example four

The multifunctional finger vein lock provided by the embodiment is based on the second embodiment, and the structure of the elastic reset mechanism is explained in detail. In this embodiment, the elastic restoring mechanism 9 includes a spring (omitted in the drawing), a spring seat 19 and a spring pressing plate 20, the spring seat 19 is installed in the lock base 4, one end of the spring is connected to the top end of the lock slide 12, the other end of the spring is disposed in the spring seat 19, and the spring pressing plate 20 covers the spring seat 19 to prevent the spring from flying out. After the unlocking signal is received, the motor drives the eccentric wheel to rotate to push the lock sliding plate and the lock sliding block to move upwards synchronously, the spring is compressed, the baffle is separated from the clamping groove, the holding part 15 of the lock handle is automatically ejected out, the spring resets after the lock handle is ejected out, and the lock sliding plate and the lock sliding block are pushed to reset.

The rear end of the lock sliding plate 12 is provided with a positioning hole 21, a guide post 22 is arranged on the inner wall of the outer side of the lock base 4, and the guide post 22 synchronously moves up and down in the positioning hole 21.

EXAMPLE five

The multifunctional finger vein lock provided by the embodiment further supplements the rest of structures of the multifunctional finger vein lock on the basis of the embodiment. In this embodiment, a gear hole plate 23 is fixed in the lock base 4 and below the finger vein module 1, the gear hole plate 23 includes a first mounting hole and two second mounting holes 24 symmetrically arranged, a first gear 25 is installed in the first mounting hole, an input shaft of the first gear 25 is connected to the connecting portion 16 of the lock handle, a second gear 26 is installed in any one of the second mounting holes 24, an input shaft of the second gear 26 is connected to an output shaft of the first gear 25, and an output shaft of the second gear 26 is matched with a corresponding mechanism (such as a top and bottom lever) inside the cabinet body to open and close the door.

In this embodiment, a photoelectric sensor for sensing the position of the eccentric wheel 7 and ensuring that the eccentric wheel rotates exactly one turn each time is arranged in the lock base 4, and the photoelectric sensor transmits a detected signal to the main control module.

In this embodiment, a lock back plate 27 used for wrapping parts is installed on the lock base 4, an operation opening 28 is formed in the lock back plate 27, the main control module is arranged at the operation opening 28, a power interface and an additional finger vein switch are arranged on the main control module, the power interface is used for being connected with an external power supply, and the additional finger vein switch is used for controlling the finger vein module to start collecting finger veins of a user. The structure is convenient for power supply replacement, installation and disassembly.

In this embodiment, the two sides of the lock slide plate are provided with slide plate extension portions 29, the inner side wall of the lock base 4 is correspondingly provided with a plurality of guide rails 30, and when the lock slide plate slides, the slide plate extension portions 29 and the guide rails 30 are matched to play a guiding role.

In this embodiment, the outer side wall of the lock base 4 is further provided with a protrusion 31 for preventing theft, and the protrusion is provided inside the grip portion 16 of the lock handle and outside the engaging mechanism, thereby preventing malicious unlocking in an abnormal manner and improving safety.

EXAMPLE six

With reference to fig. 9 and 10, an unlocking method of a multifunctional finger vein lock adopting any one of the above embodiments includes the following steps:

IC/ID card identification unlocking: the IC/ID card is close to the IC/ID card reading module by a user, the IC/ID card reading module is used for identification and verification, if the verification is passed, the main control module receives the verification passing signal and controls the information feedback module to send a prompt tone for successful verification, meanwhile, a signal for opening the lock body is sent to the lock body module, the driving mechanism drives the eccentric wheel to push the sliding mechanism to enable the lock handle to be tripped and pop out, and the user can unlock by holding the lock handle to rotate leftwards or rightwards; if the verification fails, the main control module receives the verification failure signal and controls the information feedback module to send out a prompt tone of the verification failure;

unlocking by finger vein texture recognition: a user puts fingers registered with finger veins into a finger vein module to detect finger vein textures, the finger vein module compares an acquired image with an image in a database after image processing, if similar samples exist, the comparison is passed, a main control module receives a comparison passing signal and controls an information feedback module to send a prompt tone for successful verification, meanwhile, a signal for opening a lock body is sent to a lock body module, a driving mechanism drives an eccentric wheel to push a sliding mechanism to enable a lock handle to be released and popped out, and the user can unlock by holding the lock handle to rotate left or right; if the comparison fails, the main control module receives the verification failure signal and controls the information feedback module to send out a prompt tone of the verification failure;

unlocking by a mechanical key: the matched mechanical key is inserted into the mechanical lock module to rotate, the lock tongue pushes the sliding mechanism to enable the lock handle to be tripped and ejected, and a user holds the lock handle to rotate leftwards or rightwards to unlock the lock.

The method also comprises the following steps of carrying out user finger vein entry before finger vein texture recognition: a new user presses the finger vein adding switch, the information feedback module sends out a prompt tone for adding a finger vein, the user puts a finger into the finger vein module, whether imaging is clear or not is judged after the finger vein imaging processing of the user, if not, the user is prompted to put the finger again and repeated for a plurality of times, and after registration is successful, a prompt tone for successful registration is sent out to indicate that the user is authorized; the unlocking method further comprises the following steps: when the sensing area of the finger vein module senses a signal, the energy-saving dormant mode is closed, and the illumination of the finger vein module is turned on.

Still include that the rack door closes: the user resets the lock handle to initial position and presses it into the recess in the lock base outside, and the rack door can be closed, and it can be pushed downwards by the buckle spring to lock the slide under no motor thrust or mechanical spring bolt thrust effect, and the lock slider withstands the lock handle and can let its card not pop out in the recess.

EXAMPLE seven

The utility model provides a cabinet, including the cabinet body and cabinet door, the cabinet door is connected with cabinet body hinge formula, the cabinet door is opened or is closed through cabinet door lock structure, the multi-functional finger vein lock of any above-mentioned embodiment is installed in the outside of cabinet door, lock base 4 is fixed with the cabinet door, the connecting portion 16 of lock handle 5 is connected with cabinet door lock structure through first gear and second gear, hold portion through the lock handle and rotate the opening that realizes the cabinet door, wherein the second gear can be installed in the second mounting hole on left side or right side, thereby realize two kinds of left or right turns to of lock handle, can select according to the original direction of unblanking of cabinet, consequently, practicality and convenience have been improved.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, and the present invention may be modified in materials and structures, or replaced with technical equivalents, in the constructions of the above-mentioned various components. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.

Claims (10)

1. A multi-functional finger vein lock, characterized by, includes:

the lock body module is used for assembling mechanical and circuit parts to realize mechanical transmission;

the authority identification module is used for identifying one or more user authorities to obtain identification information;

the information feedback module is used for informing the user of the permission, comprises a loudspeaker and matched hardware and is used for sending different prompt tones to inform the user whether the verification is successful or not when the verification is successful and the verification is failed;

and the master control module receives the identification information sent by the authority identification module, judges whether the identification information is authorized or not, obtains a verification result, sends the verification result to the information feedback module to feed back the verification result to a user, and simultaneously sends a signal for opening the lock body to the lock body module if the verification is passed.

2. The multifunctional finger vein lock according to claim 1, wherein the authority identification module comprises a finger vein module and an IC/ID card reading module, the finger vein module and the IC/ID card reading module are respectively connected with the main control module, and are respectively used for identifying finger vein textures of a user and IC/ID card information of the user to respectively obtain a finger vein texture verification result and an IC/ID card verification result; the mechanical lock is characterized by further comprising a mechanical lock module, and the mechanical lock module is matched with a mechanical key to manually control the lock body module to be unlocked.

3. The multi-functional Vena digitalis lock according to claim 2, wherein the lock body module comprises a lock base, a lock handle arranged outside the lock base, and a driving mechanism, an eccentric wheel, a sliding mechanism and an elastic reset mechanism arranged in the lock base, the lock base is used for carrying mechanical parts and circuit hardware, the IC/ID card reading module is arranged at the top end of the lock base and covered with an acrylic panel, the Vena digitalis module is arranged in the lock base and positioned below the IC/ID card reading module, the driving mechanism is fixed at the bottom end of the lock base, the eccentric wheel is arranged on an output shaft of the driving mechanism, a rotating surface of the eccentric wheel is abutted against one end of the sliding mechanism, and the other end of the sliding mechanism is connected with the elastic reset mechanism, the outer surface of the lock base is provided with a through hole, the outer end of the sliding mechanism penetrates through the through hole to be connected with the lock handle in a clamping manner, the driving mechanism is electrically connected with the main control module, and after a signal for opening the lock body sent by the main control module is received, the driving mechanism drives the eccentric wheel to rotate to push the sliding mechanism to move upwards to be separated from the lock handle, the lock handle is automatically popped out, and the elastic resetting mechanism pushes the sliding mechanism to move downwards to reset; the mechanical lock module is arranged at the bottom end of the lock base and is positioned below the sliding mechanism, the mechanical lock module comprises a lock tongue, and after a mechanical key is matched with the mechanical lock module, the lock tongue rotates to push the sliding mechanism to enable the lock handle to pop up.

4. A multi-functional Vena digitalis lock as claimed in claim 3, wherein the sliding mechanism comprises a lock slide plate and a lock slide block, the bottom of the lock slide plate is provided with two cylindrical blocks, the cylindrical blocks are arranged in the through hole, the other end of the lock slide plate is rigidly connected with the lock slide plate, the bottom end of the lock slide plate is abutted with the rotating surface of the eccentric wheel, the top end of the lock slide plate is connected with the elastic return mechanism, the width of the through hole is equivalent to the diameter of the cylindrical blocks, the length of the through hole is equivalent to the stroke of the lock slide block, a clamping mechanism is arranged between the bottom of the lock slide plate and the grip part of the lock handle, when the lock slide block moves upwards, the clamping mechanism is unlocked to eject the lock handle, the driving mechanism drives the eccentric wheel to rotate to push the lock slide plate and the lock slide block to synchronously move upwards to be disengaged from the lock handle, the lock handle is automatically popped out, and the elastic reset mechanism pushes the lock sliding plate and the lock sliding block to synchronously reset downwards.

5. The multi-functional finger vein lock according to claim 4, wherein the elastic return mechanism comprises a spring, a spring seat and a spring pressing plate, the spring seat is installed in the lock base, one end of the spring is connected with the top end of the lock sliding plate, the other end of the spring is arranged in the spring seat, and the spring pressing plate is covered on the spring seat to prevent the spring from flying out; the rear end of the lock sliding plate is provided with a positioning hole, the inner wall of the outer side of the lock base is provided with a guide post, and the guide post synchronously moves up and down in the positioning hole; the clamping mechanism comprises a clamping groove formed in the bottom of the lock sliding block and a baffle arranged on the inner side of the holding part of the lock handle, the baffle is clamped in the clamping groove to enable the lock handle to be locked on the lock base, and after the lock sliding block moves upwards, the baffle is separated from the clamping groove to enable the lock handle to be automatically ejected.

6. The multifunctional finger vein lock according to claim 3, wherein a gear hole plate is fixed in the lock base and below the finger vein module, the gear hole plate comprises a first mounting hole and two second mounting holes which are symmetrically arranged, a first gear is mounted in the first mounting hole, an input shaft of the first gear is connected with the connecting portion of the lock handle, a second gear is mounted in any one of the second mounting holes, an input shaft of the second gear is connected with an output shaft of the first gear, and an output shaft of the second gear is matched with a part in a cabinet to be mounted to realize opening and closing of a cabinet door.

7. The multifunctional finger vein lock according to claim 4, wherein a photoelectric sensor is arranged in the lock base and used for sensing the position of the eccentric wheel and ensuring that the eccentric wheel rotates exactly one turn each time the lock is unlocked, and the photoelectric sensor transmits a detected signal to the main control module; the lock is characterized in that sliding plate extending parts are arranged on two sides of the lock sliding plate, a plurality of guide rails are correspondingly arranged on the inner side wall of the lock base, and the sliding plate extending parts are matched with the guide rails to play a role in guiding.

8. The multifunctional finger vein lock according to claim 3, wherein a lock back plate for wrapping parts is installed on the lock base, an operation port is formed in the lock back plate, the main control module is arranged at the operation port, a power interface and an additional finger vein switch are arranged on the main control module, the power interface is used for an external power supply, and the additional finger vein switch is used for controlling the finger vein module to start collecting user finger vein textures.

9. An unlocking method of the multifunctional finger vein lock according to any one of claims 3 to 8, characterized by comprising the following steps:

IC/ID card identification unlocking: the IC/ID card is close to the IC/ID card reading module by a user, the IC/ID card reading module is used for identification and verification, if the verification is passed, the main control module receives the verification passing signal and controls the information feedback module to send a prompt tone for successful verification, meanwhile, a signal for opening the lock body is sent to the lock body module, the driving mechanism drives the eccentric wheel to push the sliding mechanism to enable the lock handle to be tripped and pop out, and the user can unlock by holding the lock handle to rotate leftwards or rightwards; if the verification fails, the main control module receives the verification failure signal and controls the information feedback module to send out a prompt tone of the verification failure;

unlocking by finger vein texture recognition: a user puts fingers registered with finger veins into a finger vein module to detect finger vein textures, the finger vein module compares an acquired image with an image in a database after image processing, if the same sample exists, the comparison is passed, a main control module receives the comparison passing signal and controls an information feedback module to send a prompt tone for successful verification, meanwhile, a signal for opening a lock body is sent to a lock body module, a driving mechanism drives an eccentric wheel to push a sliding mechanism to enable a lock handle to be released and popped out, and the user can unlock by holding the lock handle to rotate left or right; if the comparison fails, the main control module receives the verification failure signal and controls the information feedback module to send out a prompt tone of the verification failure;

unlocking by a mechanical key: the matched mechanical key is inserted into the mechanical lock module to rotate, the lock tongue pushes the sliding mechanism to enable the lock handle to be tripped and ejected, and a user holds the lock handle to rotate leftwards or rightwards to unlock the lock.

10. The unlocking method of the multifunctional finger vein lock according to claim 9, further comprising user finger vein entry before finger vein texture recognition, the specific steps being as follows: a new user presses the finger vein adding switch, the information feedback module sends out a prompt tone for adding a finger vein, the user puts a finger into the finger vein module, whether imaging is clear or not is judged after the finger vein imaging processing of the user, if not, the user is prompted to put the finger again and repeated for a plurality of times, and after registration is successful, a prompt tone for successful registration is sent out to indicate that the user is authorized; the unlocking method further comprises the following steps: when the sensing area of the finger vein module senses a signal, the energy-saving dormant mode is closed, and the illumination of the finger vein module is turned on.

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