CN108868351B - Intelligent fingerprint lock - Google Patents
Intelligent fingerprint lock Download PDFInfo
- Publication number
- CN108868351B CN108868351B CN201810674269.6A CN201810674269A CN108868351B CN 108868351 B CN108868351 B CN 108868351B CN 201810674269 A CN201810674269 A CN 201810674269A CN 108868351 B CN108868351 B CN 108868351B
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- China
- Prior art keywords
- control unit
- fingerprint
- lock
- controller
- face image
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
Abstract
The intelligent fingerprint lock comprises a control unit, a fingerprint acquisition unit, an image acquisition unit and a lock execution mechanism; the fingerprint acquisition unit is used for acquiring fingerprint information, comparing the acquired fingerprint information with pre-stored fingerprint information, and transmitting the acquired fingerprint information and a fingerprint comparison result to the control unit; the image acquisition unit is used for acquiring a face image, comparing the acquired image with a pre-stored face image, and transmitting the comparison result of the acquired image and the face image to the control unit; the control unit is used for receiving fingerprint information, a face image, a fingerprint comparison result and a face image comparison result and sending corresponding control commands to the lockset executing mechanism according to the corresponding control commands; the lockset execution machine is used for carrying out corresponding operation after receiving the control command, so that the lockset is opened and closed, the intelligent degree of automation is high, and the efficiency is high.
Description
Technical Field
The invention relates to the technical field of locks, in particular to an intelligent fingerprint lock.
Background
The unlocking process of the traditional lockset is only simple in mechanical verification, and after the key is lost, other people can unlock the lockset by using the key, so that the traditional mechanical lockset and the key have lower safety.
Traditional fingerprint lock can only carry out simple fingerprint verification, and traditional fingerprint verification tool to lock relies on user's self operation completely when carrying out fingerprint verification, and the user can be because the operation is unskilled, the position is inaccurate or the pressure of appling is improper when gathering the fingerprint, causes the fingerprint to gather inaccurately, but traditional fingerprint lock does not possess supplementary collection function, fingerprint collection degree of accuracy angle, inefficiency.
And fingerprint lock can only carry out fingerprint verification, has now its range of application.
Therefore, it is necessary to provide an intelligent lock that can assist in fingerprint verification and can perform face recognition unlocking
Disclosure of Invention
The invention aims to provide an intelligent fingerprint lock which is used for solving the problems that the existing lockset cannot perform auxiliary fingerprint verification, the fingerprint unlocking efficiency is low, and the intelligent fingerprint lock cannot be effectively combined with face recognition.
In order to achieve the above purpose, the technical scheme of the invention is that
An intelligent fingerprint lock comprises a control unit, a fingerprint acquisition unit, an image acquisition unit and a lock execution mechanism;
the fingerprint acquisition unit is used for acquiring fingerprint information, comparing the acquired fingerprint information with pre-stored fingerprint information, and transmitting the acquired fingerprint information and a fingerprint comparison result to the control unit;
the image acquisition unit is used for acquiring a face image, comparing the acquired image with a pre-stored face image, and transmitting a comparison result of the acquired image and the face image to the control unit;
the control unit is used for receiving the fingerprint information, the face image, the fingerprint comparison result and the face image comparison result and sending corresponding control commands to the lock executing mechanism according to the corresponding control commands;
the lock execution machine is used for carrying out corresponding operation after receiving the control command, and opening and closing the lock are completed.
The fingerprint acquisition unit comprises a cube-shaped lock box and a partition board clamped in the lock box, and the partition board divides the lock box into a detection chamber and a control chamber;
a first controller is clamped or bolted in the control room;
an extending cylinder communicated with the inner cavity of the lock box is clamped on the side wall of the lock box;
a sliding seat is arranged at the lower part of the isolation plate in a sliding way, a collection frame is clamped on the sliding seat, and the collection frame is arranged on the inner wall of the lock box in a sliding way; a fingerprint sensor is clamped in the acquisition rack, and the fingerprint sensor is electrically connected with the first controller;
a transmission shaft is penetrated and arranged at the top of the detection chamber in a rotating way, a first linear motor is screwed at the upper end of the transmission shaft, a first motor controller is electrically connected to the first linear motor, and an extrusion cover is screwed at the lower end of the transmission shaft; the first motor controller is electrically connected with the first controller; a loudspeaker is clamped on the lock box, and the loudspeaker is electrically connected with the first controller; the first controller is a DSP controller.
The image acquisition unit comprises a cube-shaped mounting frame, a second guide tube is clamped at the top of the mounting frame along the width direction of the mounting frame, a round rod-shaped second sliding rod is screwed on the inner thread of the second guide tube along the axial direction of the second guide tube, and a second sliding block is sleeved on the second sliding rod in a sliding manner;
a first guide pipe is clamped on the side wall of the mounting frame, a round rod-shaped first sliding rod is screwed on the inner thread of the first guide pipe along the axial direction of the first guide pipe, and a first sliding block is sleeved on the first sliding rod in a sliding manner; a bottom plate is fixed between the first sliding block and the second sliding block through bolts;
a second linear motor is fixed on the inner wall of the mounting frame through bolts, a round rod-shaped driving shaft is screwed on the second linear motor through threads, and the other end of the driving shaft is screwed on the bottom plate through threads; a second motor controller is electrically connected to the second linear motor; a first displacement sensor is clamped on the driving shaft;
the bottom plate divides the inner cavity of the mounting frame into an operation room and a photographing room; a first stepping motor is fixed on the bottom plate through bolts and is positioned in the operating chamber; an image acquisition part is rotatably arranged on the bottom plate and is positioned in the photographing chamber; the end part of the image acquisition piece is screwed on the first stepping motor by threads; a glass cover with a spherical outer wall is clamped in the photographing room; the upper end of the mounting frame is clamped with a second controller; the image acquisition piece comprises a camera.
The lock actuating mechanism comprises an inner lock frame, an outer lock frame is sleeved on the outer side of the inner lock frame, a lock core is arranged in the inner lock frame in a penetrating mode along the axial direction of the inner lock frame, one end, extending out of the inner lock frame, of the lock core is screwed with a second stepping motor in a threaded mode, and a third motor controller is electrically connected to the second stepping motor.
The lock cylinder comprises a round rod-shaped driving rod, a positioning seat is sleeved at one end of the driving rod, a cylindrical first mounting seat is screwed on the driving rod through threads, and an elliptic second mounting seat is clamped at the other end of the driving rod; an angle sensor is clamped on the driving rod;
a first rotating rod is screwed on the outer wall of the first mounting seat along the radial direction of the first mounting seat, and a cube-shaped substrate is clamped at the other end of the first rotating rod; a cube-shaped substrate is clamped at the edge of the substrate, and a second stop block with a trapezoid longitudinal section is clamped at the middle part of the substrate;
and a second rotating rod with a round rod shape is screwed on the second mounting seat along the radial direction of the second mounting seat by threads, and a third stop block with a trapezoid longitudinal section is screwed on the other end of the second rotating rod by threads.
The inner lock frame comprises a main frame, a lock hole is formed in the main frame in a penetrating mode along the axial direction of the main frame, and the lock hole is a blind hole;
a first storage hole, a second storage hole, a first locking hole and a second locking hole are formed in the main frame in a penetrating manner along the radial direction of the main frame; the first storage hole, the second storage hole, the first locking hole and the second locking hole are communicated with the inner cavity of the lock hole;
the second locking hole is shorter than the first receiving hole, and the second locking hole and the first receiving hole are aligned in axis;
the second receiving hole is shorter than the first locking hole, and the second receiving hole and the first locking hole are axially aligned.
The outer lock frame comprises a shell, wherein an installation cavity is penetrated in the shell, and the installation cavity is matched with the main frame;
a first locking hole in the shape of a circular truncated cone is penetrated in the side wall of the shell, a detection shell is embedded in the shell, and an illumination sensor is clamped in the detection shell; the illumination sensor is electrically connected with the control unit; the inner cavity of the detection shell is communicated with the inner cavity of the first locking hole;
a first locking groove is concavely formed in the side wall of the shell, and a clamping block with a trapezoid longitudinal section is clamped in the first locking groove; a locking positioning groove is formed between the two clamping blocks.
An operating method for the intelligent fingerprint lock, comprising the steps of:
step 1: the control unit presets target fingerprint information and target face image information;
step 2: the fingerprint acquisition unit acquires fingerprint information of a user and sends the fingerprint information to the control unit for comparison;
step 3: the image acquisition unit acquires face image information and sends the face image information to the control unit for comparison;
step 4: and the control unit sends a control command to the lockset executing mechanism to execute unlocking according to the comparison result.
Wherein, fingerprint collection unit gathers user fingerprint information and sends the control unit compares includes:
step 2.1: the fingerprint sensor collects fingerprint information of a user and sends the fingerprint information to the first controller;
step 2.2: if the fingerprint information of the user is acquired in a failure mode, the first controller controls the loudspeaker to send out a voice prompt for re-acquisition, the first controller sends a driving command to the first motor controller to drive the first linear motor, and the extrusion cover moves downwards to compress the fingers and goes to step 2.1;
otherwise, the user fingerprint information is sent to a control unit;
step 2.3: the control unit compares the received user fingerprint information with the target fingerprint information;
step 2.4: if the user fingerprint information and the target fingerprint information are not matched, the control unit sends a re-acquisition instruction to the first controller;
otherwise, the control unit sends an unlocking command to the third motor controller to drive the second stepping motor to unlock.
The image acquisition unit acquires face image information and sends the face image information to the control unit for comparison, and the image acquisition unit comprises:
step 3.1: the image acquisition part acquires face image information of a user and sends the face image information to the second controller
Step 3.2: the second controller judges the acquired face image; if the face image is not clear, the second controller sends an adjusting command to the first stepping motor and the second linear motor to adjust the position of the image acquisition piece, and then the step 3.1 is carried out;
otherwise, the face image is sent to the control unit;
step 2.3: the control unit compares the received face image with the target face image information;
step 2.4: if the face image and the target face image information are not matched, the control unit sends a re-acquisition instruction to the second controller;
otherwise, the control unit sends an unlocking command to the third motor controller to drive the second stepping motor to unlock.
The control unit sends a control command to the lockset executing mechanism to execute unlocking according to the comparison result;
step 4.1, presetting target illumination intensity and target rotation angle by the control unit;
step 4.2: when the third motor controller receives an unlocking command sent by the control unit, the third motor controller drives the second stepping motor to rotate;
step 4.3: the second stepping motor drives the third stop block and the substrate to rotate through the driving rod;
step 4.4, the illumination sensor sends the collected actual illumination intensity to the control unit to be compared with the target illumination intensity,
the angle sensor sends the acquired actual rotation angle to the control unit to be compared with the target rotation angle;
and if the actual illumination intensity is smaller than or equal to the target illumination intensity or the actual rotation angle is larger than or equal to the target rotation angle, the control unit controls the second stepping motor to stop rotating, and unlocking is finished.
The invention has the following advantages:
the intelligent fingerprint lock comprises a control unit, a fingerprint acquisition unit, an image acquisition unit and a lock execution mechanism;
the fingerprint acquisition unit is used for acquiring fingerprint information, comparing the acquired fingerprint information with pre-stored fingerprint information, and transmitting the acquired fingerprint information and a fingerprint comparison result to the control unit;
the image acquisition unit is used for acquiring a face image, comparing the acquired image with a pre-stored face image, and transmitting a comparison result of the acquired image and the face image to the control unit;
the control unit is used for receiving the fingerprint information, the face image, the fingerprint comparison result and the face image comparison result and sending corresponding control commands to the lock executing mechanism according to the corresponding control commands;
the lock execution machine is used for carrying out corresponding operation after receiving the control command to finish the opening and closing of the lock;
the operation method of the invention is used for the intelligent fingerprint lock and comprises the following steps:
step 1: the control unit presets target fingerprint information and target face image information;
step 2: the fingerprint acquisition unit acquires fingerprint information of a user and sends the fingerprint information to the control unit for comparison;
step 3: the image acquisition unit acquires face image information and sends the face image information to the control unit for comparison;
step 4: the control unit sends a control command to the lockset executing mechanism to execute unlocking according to the comparison result;
the fingerprint acquisition unit can acquire fingerprint information, and can remind and take charge of completing the fingerprint acquisition process if the condition of inaccurate fingerprint acquisition occurs in the fingerprint information acquisition process, so that the fingerprint acquisition efficiency and accuracy are improved;
the image acquisition unit can acquire face images, and when the face images are not acquired clearly, the image acquisition unit can automatically adjust and acquire the face images again, so that the image acquisition definition is improved;
according to the fingerprint collection comparison result and the face image collection comparison result, the control unit can control the lockset executing mechanism to finish opening and closing of the lockset, and the intelligent automation degree is high and the efficiency is high.
Drawings
Fig. 1 is a functional block diagram of the intelligent fingerprint lock of the present invention.
Fig. 2 is a schematic diagram of the structure of the fingerprint acquisition unit of the present invention.
Fig. 3 is a schematic structural view of an image acquisition unit of the present invention.
Fig. 4 is a schematic structural view of the lock actuator of the present invention.
Fig. 5 is a schematic structural view of the lock cylinder of the present invention.
Fig. 6 is a schematic structural view of the inner lock frame of the present invention.
Fig. 7 is a schematic structural view of the outer lock frame of the present invention.
1-a control unit; 2-a fingerprint acquisition unit; 21-lock box; 22-a first controller; 23-isolating plates; 24-squeeze cap; 25-a transmission shaft; 26-a first linear motor; 27-extending into the barrel; 28-collecting rack; 29-a fingerprint sensor; 210-a sliding seat; 211-horn; 3-an image acquisition unit; 31-mounting frame; 32-a first guide tube; 33-a first slider; 34-a bottom plate; 35-a first slide bar; 36-a first stepper motor; 37-a second linear motor; 38-a drive shaft; 39-a second slider; 310-a second slide bar; 311-a second guide tube; 312-image acquisition member; 313-glass cover; 314-a second controller; 4-a lockset actuating mechanism; 41-a second stepper motor; 42-inner lock frame; 4201-main frame; 4202-locking holes; 4203—a first receiving aperture; 4204-second receiving aperture; 4205-first locking hole; 4206-second locking hole; 43-outer lock frame; 431-a housing; 432-clamping blocks; 433-a first locking groove; 434-a third locking hole; 435-an illumination sensor; 436-a detection housing; 437-mounting cavity; 44-lock core; 4401-a drive rod; 4402-positioning seat; 4403-a first mount; 4404-angle sensor; 4405-a second mount; 4406-a second rotating lever; 4407-third stop; 4408-first stop; 4409-second stop; 4410-a substrate; 4411-first rotating lever.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Examples
The intelligent fingerprint lock of the embodiment comprises a control unit 1, a fingerprint acquisition unit 2, an image acquisition unit 3 and a lock execution mechanism 4;
the fingerprint acquisition unit 2 is used for acquiring fingerprint information, comparing the acquired fingerprint information with pre-stored fingerprint information, and transmitting the acquired fingerprint information and a fingerprint comparison result to the control unit 1;
the image acquisition unit 3 is used for acquiring a face image, comparing the acquired image with a pre-stored face image, and sending the comparison result of the acquired image and the face image to the control unit 1;
the control unit 1 is configured to receive the fingerprint information, the face image, the fingerprint comparison result, and the face image comparison result, and send a corresponding control command to the lock execution mechanism 4 according to the received fingerprint information, the face image, the fingerprint comparison result, and the face image comparison result;
the lock executing mechanism 4 is used for carrying out corresponding operation after receiving the control command, and opening and closing the lock are completed.
The fingerprint acquisition unit 2 comprises a cube-shaped lock box 21 and a separation plate 23 clamped in the lock box 21, and the separation plate 23 divides the lock box 21 into a detection chamber and a control chamber;
a first controller 22 is clamped or bolted in the control room;
an extending cylinder 27 communicated with the inner cavity of the lock box 21 is clamped on the side wall of the lock box;
a sliding seat 210 is slidably arranged at the lower part of the isolation plate 23, a collection frame 28 is clamped on the sliding seat 210, and the collection frame 28 is slidably arranged on the inner wall of the lock box 21; a fingerprint sensor 29 is clamped in the acquisition rack 28, and the fingerprint sensor 29 is electrically connected with the first controller 22;
a transmission shaft 25 is rotatably arranged at the top of the detection chamber in a penetrating manner, a first linear motor 26 is screwed at the upper end of the transmission shaft 25, a first motor controller is electrically connected to the first linear motor 26, and an extrusion cover 24 is screwed at the lower end of the transmission shaft 25; the first motor controller is electrically connected to the first controller 22; a horn 211 is clamped on the lock box 21, and the horn 211 is electrically connected with the first controller 22; the first controller 22 is a DSP controller.
The finger is placed on the collecting frame, and the fingerprint sensor can collect fingerprints in real time; the sliding seat slides up and down along the isolation plate to drive the collection frame to move up and down;
the first linear motor rotates to drive the transmission shaft to drive the extrusion cover to move up and down, so that the pressure acting on the finger is changed, and the accuracy of fingerprint acquisition is adjusted.
The image acquisition unit 3 comprises a cube-shaped mounting frame 31, a second guide tube 311 is clamped at the top of the mounting frame 31 along the width direction of the mounting frame, a round rod-shaped second sliding rod 310 is screwed on the inner thread of the second guide tube 311 along the axial direction of the second guide tube 311, and a second sliding block 39 is sleeved on the second sliding rod 310 in a sliding manner;
a first guide tube 32 is clamped on the side wall of the mounting frame 31, a first sliding rod 35 in a round rod shape is screwed on the inner thread of the first guide tube 32 along the axial direction of the first guide tube 32, and a first sliding block 33 is sleeved on the first sliding rod 35 in a sliding manner; a bottom plate 34 is fixed between the first slider 33 and the second slider 39 by bolts;
a second linear motor 37 is fixed on the inner wall of the mounting frame 31 by bolts, a round rod-shaped driving shaft 38 is screwed on the second linear motor 37 by threads, and the other end of the driving shaft 38 is screwed on the bottom plate 34 by threads; a second motor controller is electrically connected to the second linear motor 37; a first displacement sensor is clamped on the driving shaft 38;
the bottom plate 34 divides the inner cavity of the mounting frame 31 into an operation room and a photographing room; a first stepping motor 36 is fixed on the bottom plate 34 through bolts, and the first stepping motor 36 is positioned in the operating chamber; an image acquisition member 312 is rotatably arranged on the bottom plate 34, and the image acquisition member 312 is positioned in the photographing chamber; the end of the image acquisition member 312 is screwed to the first stepping motor 36; a glass cover 313 with a spherical outer wall is clamped in the photographing room; a second controller 314 is clamped at the upper end of the mounting frame 31; the image capturing element 312 includes a camera.
The second controller 314 controls the first stepper motor 36 and the second linear motor 37 to rotate; the second linear motor 37 pulls the driving shaft 38, and the driving shaft 38 pulls or pushes the bottom plate 34; at this time, the second slider 39 slides along the second slide bar 310, the image pickup member 312 moves with the bottom plate 34, and the position of the image pickup member 312 changes;
the first stepping motor 36 rotates, and the angle of the image pickup member 312 changes.
The lock actuating mechanism 4 includes an inner lock frame 42, an outer lock frame 43 is sleeved on the outer side of the inner lock frame 42, a lock cylinder 44 is inserted in the inner lock frame along the axial direction of the inner lock frame 42, a second stepping motor 41 is screwed on one end of the lock cylinder 44 extending to the outer side of the inner lock frame 42, and a third motor controller is electrically connected to the second stepping motor 41.
The lock cylinder 44 includes a round bar-shaped driving rod 4401, a positioning seat 4402 is sleeved at one end of the driving rod 4401, a cylindrical first mounting seat 4403 is screwed on the driving rod 4401, and an elliptic second mounting seat 4405 is clamped at the other end of the driving rod 4401; an angle sensor 4404 is clamped on the driving rod 4401;
a first rotating rod 4411 is screwed on the outer wall of the first mounting seat 4403 along the radial direction of the first mounting seat 4403, and a cube-shaped base plate 4410 is clamped at the other end of the first rotating rod 4411; a first block 4408 having a cubic shape is clamped at the edge of the base plate 4410, and a second block 4409 having a trapezoid longitudinal section is clamped at the middle part of the base plate 4410;
a second rotating rod 4406 with a round rod shape is screwed on the second mounting seat 4405 along the radial direction of the second mounting seat 4405, and a third stop 4407 with a trapezoid longitudinal section is screwed on the other end of the second rotating rod 4406.
The inner lock frame 42 includes a main frame 4201, and a lock hole 4202 is formed in the main frame 4201 along an axial direction thereof, wherein the lock hole 4202 is a blind hole;
a first receiving hole 4203, a second receiving hole 4204, a first locking hole 4205, and a second locking hole 4206 are bored therein along a radial direction of the main frame 4201; the first receiving hole 4203, the second receiving hole 4204, the first locking hole 4205 and the second locking hole 4206 are all in communication with the inner cavity of the locking hole 4202;
the second locking aperture 4206 is shorter than the first receiving aperture 4203, the second locking aperture 4206 and the first receiving aperture 4203 being axially aligned;
the second receiving hole 4204 is shorter than the first locking hole 4205, and the second receiving hole 4204 and the first locking hole 4205 are axially aligned.
The outer lock frame 43 includes a housing 431, and a mounting cavity 437 is disposed in the housing 431, where the mounting cavity 437 is adapted to the main frame 4201;
a third locking hole 434 in a shape of a truncated cone is penetrated in the side wall of the outer shell 431, a detection shell 436 is embedded in the outer shell 431, and an illumination sensor 435 is clamped in the detection shell 436; the illumination sensor 435 is electrically connected to the control unit 1; the inner cavity of the detection shell 436 is communicated with the inner cavity of the third locking hole 434;
a first locking groove 433 is concavely formed in the side wall of the casing 431, and a clamping block 432 with a trapezoidal longitudinal section is clamped in the first locking groove 433; a locking and positioning groove is formed between the two clamping blocks 432.
An operating method is used for the intelligent fingerprint lock,
step 1: the control unit 1 presets target fingerprint information and target face image information;
step 2: the fingerprint acquisition unit 2 acquires fingerprint information of a user and sends the fingerprint information to the control unit 1 for comparison;
step 3: the image acquisition unit 3 acquires face image information and sends the face image information to the control unit 1 for comparison;
step 4: the control unit 1 sends a control command to the lock executing mechanism 4 to execute unlocking according to the comparison result.
The fingerprint acquisition unit 2 acquires fingerprint information of a user and transmits the fingerprint information to the control unit 1 for comparison, and the fingerprint acquisition unit comprises:
step 2.1: the fingerprint sensor 29 collects user fingerprint information and transmits the first controller 22;
step 2.2: if the fingerprint information of the user fails to be collected, the first controller 22 controls the loudspeaker 211 to send out a voice prompt for re-collection, the first controller 22 sends a driving command to the first motor controller to drive the first linear motor 26, the extrusion cover 24 moves downwards to compress the finger, and the step 2.1 is reached;
otherwise, the user fingerprint information is sent to the control unit 1;
step 2.3: the control unit 1 compares the received user fingerprint information with the target fingerprint information;
step 2.4: if the user fingerprint information and the target fingerprint information do not match, the control unit 1 transmits a re-acquisition instruction to the first controller 22;
otherwise, the control unit 1 sends an unlocking command to the third motor controller to drive the second stepping motor 41 to unlock.
The image acquisition unit 3 acquires face image information and sends the face image information to the control unit 1 for comparison, and the comparison comprises:
step 3.1: the image acquisition unit 312 acquires image information of a face of a user and sends the image information to the second controller 314;
step 3.2: the second controller 314 determines the collected face image; if the face image is not clear, the second controller 314 sends an adjustment command to the first stepper motor 36 and the second linear motor 37 to adjust the position of the image capturing element 312, and then goes to step 3.1;
otherwise, the face image is sent to the control unit 1;
step 2.3: the control unit 1 compares the received face image with the target face image information;
step 2.4: if the face image and the target face image information do not match, the control unit 1 sends a re-acquisition instruction to the second controller 314;
otherwise, the control unit 1 sends an unlocking command to the third motor controller to drive the second stepping motor 41 to unlock.
The control unit 1 sends a control command to the lockset executing mechanism 4 to execute unlocking according to the comparison result;
step 4.1, the control unit 1 presets a target illumination intensity and a target rotation angle;
step 4.2: when the third motor controller receives an unlocking command sent by the control unit 1, the third motor controller drives the second stepping motor 41 to rotate;
step 4.3: the second stepping motor 41 drives the third stop 4407 and the base plate 4410 to rotate through the driving lever 4401;
step 4.4:
the illumination sensor 435 sends the acquired actual illumination intensity to the control unit 1 for comparison with the target illumination intensity,
the angle sensor 4404 transmits the acquired actual rotation angle to the control unit 1 to compare with the target rotation angle;
if the actual illumination intensity is equal to or less than the target illumination intensity or the actual rotation angle is equal to or greater than the target rotation angle, the control unit 1 controls the second stepping motor 41 to stop rotating, and unlocking is completed.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (2)
1. An intelligent fingerprint lock is characterized by comprising a control unit (1), a fingerprint acquisition unit (2), an image acquisition unit (3) and a lock executing mechanism (4);
the fingerprint acquisition unit (2) is used for acquiring fingerprint information, comparing the acquired fingerprint information with pre-stored fingerprint information, and transmitting the acquired fingerprint information and a fingerprint comparison result to the control unit (1);
the image acquisition unit (3) is used for acquiring a face image, comparing the acquired image with a pre-stored face image, and transmitting the comparison result of the acquired image and the face image to the control unit (1);
the control unit (1) is used for receiving the fingerprint information, the face image, the fingerprint comparison result and the face image comparison result and sending corresponding control commands to the lock executing mechanism (4);
the lockset executing mechanism (4) is used for carrying out corresponding operation after receiving a control command to finish the opening and closing of the lockset;
the fingerprint acquisition unit (2) comprises a cube-shaped lock box (21) and a separation plate (23) clamped in the lock box, and the separation plate (23) divides the lock box (21) into a detection chamber and a control chamber;
a first controller (22) is clamped or bolted in the control room;
an extending cylinder (27) communicated with the inner cavity of the lock box (21) is clamped on the side wall of the lock box;
a sliding seat (210) is arranged at the lower part of the isolation plate (23) in a sliding way, a collection frame (28) is clamped on the sliding seat (210), and the collection frame (28) is arranged on the inner wall of the lock box (21) in a sliding way; a fingerprint sensor (29) is clamped in the acquisition rack (28), and the fingerprint sensor (29) is electrically connected with the first controller (22);
a transmission shaft (25) is arranged on the top of the detection chamber in a penetrating way in a rotating way, a first linear motor (26) is screwed on the upper end thread of the transmission shaft (25), a first motor controller is electrically connected to the first linear motor (26), and an extrusion cover (24) is screwed on the lower end thread of the transmission shaft (25); the first motor controller is electrically connected with the first controller (22); a horn (211) is clamped on the lock box (21), and the horn (211) is electrically connected with the first controller (22); the first controller (22) is a DSP controller;
the image acquisition unit (3) comprises a cube-shaped mounting frame (31), a second guide tube (311) is clamped at the top of the mounting frame (31) along the width direction of the mounting frame, a round rod-shaped second sliding rod (310) is screwed in the second guide tube (311) along the axial direction of the second guide tube along the internal thread of the second guide tube, and a second sliding block (39) is sleeved on the second sliding rod (310) in a sliding manner;
a first guide pipe (32) is clamped on the side wall of the mounting frame (31), a round rod-shaped first sliding rod (35) is screwed on the inner thread of the first guide pipe along the axial direction of the first guide pipe (32), and a first sliding block (33) is sleeved on the first sliding rod (35) in a sliding manner; a bottom plate (34) is fixed between the first slider (33) and the second slider (39) by bolts;
a second linear motor (37) is fixed on the inner wall of the mounting frame (31) through bolts, a round rod-shaped driving shaft (38) is screwed on the second linear motor (37) through threads, and the other end of the driving shaft (38) is screwed on the bottom plate (34) through threads; a second motor controller is electrically connected to the second linear motor (37); a first displacement sensor is clamped on the driving shaft (38);
the bottom plate (34) divides the inner cavity of the mounting frame (31) into an operation room and a photographing room; a first stepping motor (36) is fixed on the bottom plate (34) through bolts, and the first stepping motor (36) is positioned in the operation chamber; an image acquisition piece (312) is rotatably arranged on the bottom plate (34), and the image acquisition piece (312) is positioned in the photographing chamber; the end part of the image acquisition piece (312) is screwed on the first stepping motor (36); a glass cover (313) with a spherical outer wall is clamped in the photographing room; a second controller (314) is clamped at the upper end of the mounting frame (31); the image acquisition member (312) comprises a camera;
the lock executing mechanism (4) comprises an inner lock frame (42), an outer lock frame (43) is sleeved on the outer side of the inner lock frame (42), a lock cylinder (44) is arranged in the inner lock frame in a penetrating mode along the axial direction of the inner lock frame (42), a second stepping motor (41) is screwed on one end, extending out of the inner lock frame (42), of the lock cylinder (44), and a third motor controller is electrically connected to the second stepping motor (41);
the lock cylinder (44) comprises a round rod-shaped driving rod (4401), a positioning seat (4402) is sleeved at one end of the driving rod (4401), a cylindrical first mounting seat (4403) is screwed on the driving rod (4401) by threads, and an elliptic second mounting seat (4405) is clamped at the other end of the driving rod (4401); an angle sensor (4404) is clamped on the driving rod (4401);
a first rotating rod (4411) is screwed on the outer wall of the first mounting seat (4403) along the radial direction of the first mounting seat, and a cube-shaped base plate (4410) is clamped at the other end of the first rotating rod (4411); a first block (4408) in a cube shape is clamped at the edge of the base plate (4410), and a second block (4409) with a trapezoid longitudinal section is clamped at the middle part of the base plate (4410);
a second rotating rod (4406) with a round rod shape is screwed on the second mounting seat (4405) along the radial direction of the second mounting seat, and a third stop block (4407) with a trapezoid longitudinal section is screwed on the other end of the second rotating rod (4406);
the inner lock frame (42) comprises a main frame (4201), a lock hole (4202) is arranged in the main frame (4201) in a penetrating manner along the axial direction of the main frame (4201), and the lock hole (4202) is a blind hole;
a first receiving hole (4203), a second receiving hole (4204), a first locking hole (4205) and a second locking hole (4206) are bored therein along a radial direction of the main frame (4201); the first receiving hole (4203), the second receiving hole (4204), the first locking hole (4205) and the second locking hole (4206) are all in communication with the lumen of the locking hole (4202);
the second locking aperture (4206) is shorter than the first receiving aperture (4203), the second locking aperture (4206) and the first receiving aperture (4203) being axially aligned;
the second receiving hole (4204) is shorter than the first locking hole (4205), the second receiving hole (4204) and the first locking hole (4205) being axially aligned;
the outer lock frame (43) comprises a shell (431), a mounting cavity (437) is arranged in the shell (431) in a penetrating mode, and the mounting cavity (437) is matched with the main frame (4201);
a third locking hole (434) in a truncated cone shape is penetrated in the side wall of the shell (431), a detection shell (436) is embedded in the shell (431), and an illumination sensor (435) is clamped in the detection shell (436); the illumination sensor (435) is electrically connected to the control unit (1); the inner cavity of the detection shell (436) is communicated with the inner cavity of the third locking hole (434);
a first locking groove (433) is concavely arranged on the side wall of the shell (431), and a clamping block (432) with a trapezoid longitudinal section is clamped in the first locking groove (433); a locking positioning groove is formed between the two clamping blocks (432);
the fingerprint acquisition unit (2) acquires fingerprint information of a user and sends the fingerprint information to the control unit (1) for comparison comprises the following steps:
step 2.1: the fingerprint sensor (29) collects fingerprint information of a user and sends the fingerprint information to the first controller (22);
step 2.2: if the fingerprint information of the user is acquired in a failure mode, the first controller (22) controls the loudspeaker (211) to send out a voice prompt for re-acquisition, the first controller (22) sends a driving command to the first motor controller to drive the first linear motor (26), and the extrusion cover (24) moves downwards to compress the fingers and then the step 2.1 is carried out;
otherwise, the user fingerprint information is sent to a control unit (1);
step 2.3: the control unit (1) compares the received user fingerprint information with target fingerprint information;
step 2.4: if the user fingerprint information and the target fingerprint information are not matched, the control unit (1) sends a re-acquisition instruction to the first controller (22);
otherwise, the control unit (1) sends an unlocking command to a third motor controller to drive the second stepping motor (41) to unlock;
the image acquisition unit (3) acquires face image information and sends the face image information to the control unit (1) for comparison, and the comparison comprises the following steps:
step 3.1: the image acquisition part (312) acquires face image information of a user and sends the face image information to the second controller (314);
step 3.2: the second controller (314) judges the acquired face image; if the face image is not clear, the second controller (314) sends an adjustment command to the first stepper motor (36) and the second linear motor (37) to adjust the position of the image acquisition member (312), and then goes to step 3.1;
otherwise, transmitting the face image to the control unit (1);
step 3.3: the control unit (1) compares the received face image with the target face image information;
step 3.4: if the face image and the target face image information are not matched, the control unit (1) sends a re-acquisition instruction to the second controller (314);
otherwise, the control unit (1) sends an unlocking command to a third motor controller to drive the second stepping motor (41) to unlock.
2. A method of operation for the intelligent fingerprint lock of claim 1, wherein,
step 1: the control unit (1) presets target fingerprint information and target face image information;
step 2: the fingerprint acquisition unit (2) acquires fingerprint information of a user and sends the fingerprint information to the control unit (1) for comparison;
step 3: the image acquisition unit (3) acquires face image information and sends the face image information to the control unit (1) for comparison;
step 4: the control unit (1) sends a control command to the lockset executing mechanism (4) to execute unlocking according to the comparison result;
the control unit (1) sends a control command to the lockset executing mechanism (4) to execute unlocking according to the comparison result;
step 4.1, presetting target illumination intensity and target rotation angle by the control unit (1);
step 4.2: when the third motor controller receives an unlocking command sent by the control unit (1), the third motor controller drives the second stepping motor (41) to rotate;
step 4.3: the second stepping motor (41) drives the third stop block (4407) and the base plate (4410) to rotate through the driving rod (4401);
step 4.4:
the illumination sensor (435) sends the acquired actual illumination intensity to the control unit (1) for comparison with the target illumination intensity,
the angle sensor (4404) sends the acquired actual rotation angle to the control unit (1) to be compared with the target rotation angle;
and if the actual illumination intensity is smaller than or equal to the target illumination intensity or the actual rotation angle is larger than or equal to the target rotation angle, the control unit (1) controls the second stepping motor (41) to stop rotating, and unlocking is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674269.6A CN108868351B (en) | 2018-06-28 | 2018-06-28 | Intelligent fingerprint lock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810674269.6A CN108868351B (en) | 2018-06-28 | 2018-06-28 | Intelligent fingerprint lock |
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| CN108868351A CN108868351A (en) | 2018-11-23 |
| CN108868351B true CN108868351B (en) | 2023-08-25 |
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| CN208502462U (en) * | 2018-06-28 | 2019-02-15 | 浙江进家五金有限公司 | A kind of intelligent fingerprint lock |
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| US20100301996A1 (en) * | 2009-06-01 | 2010-12-02 | Julie Stradiota | Nightstand With a Security Safety Drawer |
| CN108868352B (en) * | 2018-06-28 | 2023-07-28 | 安徽爱进家智能科技有限公司 | Intelligent fingerprint lock and operation method thereof |
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| CN204303055U (en) * | 2014-11-21 | 2015-04-29 | 深圳市嘉泰科电子科技有限公司 | Embedded intelligence door-lock controller |
| CN205314704U (en) * | 2015-12-01 | 2016-06-15 | 宁波普天通信技术有限公司 | Intelligence lock and system |
| CN107479736A (en) * | 2016-06-07 | 2017-12-15 | 现代自动车株式会社 | Safety device with the touch interface based on power |
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Effective date of registration: 20230719 Address after: The plot on the northeast side of the intersection of Longcheng Road and Caishi Road in Machinery Industry Park, No. 88 Longcheng Road, Mayuan District, Suzhou City, Anhui Province, 234000 Applicant after: Anhui aijinjia Intelligent Technology Co.,Ltd. Address before: 325000 building 24, No. 951, Jinhai Avenue, Yongxing street, Longwan District, Wenzhou City, Zhejiang Province Applicant before: ZHEJIANG JINJIA HARDWARE CO.,LTD. |
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