CN108104603B - A kind of handle latch mechanism based on fingerprint recognition - Google Patents
A kind of handle latch mechanism based on fingerprint recognition Download PDFInfo
- Publication number
- CN108104603B CN108104603B CN201711458925.0A CN201711458925A CN108104603B CN 108104603 B CN108104603 B CN 108104603B CN 201711458925 A CN201711458925 A CN 201711458925A CN 108104603 B CN108104603 B CN 108104603B
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- China
- Prior art keywords
- pin
- fingerprint
- type
- cake core
- processing chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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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- 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
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
- E05B47/0665—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially
- E05B47/0669—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially with a pivotally moveable blocking element
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/46—Locks or fastenings for special use for drawers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
- E05B65/5207—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
- E05B65/5215—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding
- E05B65/523—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding parallel to the surface on which the lock is mounted
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
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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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Image Input (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to a kind of handle latch mechanism based on fingerprint recognition, including cover, the PCB circuit board being arranged on cover and the finger print acquisition module being arranged in PCB circuit board, it further include movable hand sleeve, one end of movable hand sleeve is fixedly connected with cover, the fixing sleeve for being fixedly connected with lockhole is arranged on the other end, fixing sleeve and flexible handle cover clearance fit；The other end is fixedly connected with locking plate；Motor is equipped in movable hand sleeve；Lock piece is equipped in the other end of movable hand sleeve, the output shaft of motor is connect with lock piece.Locking clutch and drive dynamic control device and PCB circuit board are integrated in movable hand sleeve, compact, structure is simple by the present invention by the way that fingerprint collecting, fingerprint recognition to be integrated in PCB circuit board.The present invention can directly replace the lock core of link lock, cam lock or blocking lock etc., and installation is easy to operate, improve the convenience of replacement Fingerprint Lock, save the cost.The configuration of the present invention is simple, high reliablity while save the cost.
Description
Technical field
The invention belongs to Fingerprint Lock equipment technical fields, and in particular to a kind of handle latch mechanism based on fingerprint recognition.
Background technique
Lockset is indispensable accessory in daily life, and lockset in the market is varied, such as traditional mechanical lock and
Electronic lock, Fingerprint Lock have broken the function of the single enabling of traditional mechanical lock, are collection optics, machinery, electronics and fingerprint
Core algorithm technology is the high-tech product of the whole body.Present Fingerprint Lock has many functions, such as network savvy, and open the door record
Function, remote control, intelligent alarm, multi-player mode, manager's rank etc..
Cabinet lock or drawer-lock in the prior art are using conventional linkage lock, cam lock or blocking lock, if you need to be replaced with fingerprint
Lock needs all to replace lock body part, operates sufficiently complex, and existing Fingerprint Lock volume is larger, can not on file cabinet
Or the lock body of drawer is replaced, and can not directly be used on file cabinet, that is, allows to replace, after replacement using being inconvenient and
It is at high cost.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of handle locks based on fingerprint recognition
Mechanism.The technical problem to be solved in the present invention is achieved through the following technical solutions: a kind of handle latch mechanism based on fingerprint recognition,
It further include living including cover, the PCB circuit board being arranged on cover and the finger print acquisition module being arranged in PCB circuit board
It starts sleeve, one end of movable hand sleeve is fixedly connected with the cover, is arranged on the other end for being fixedly connected with lockhole
Fixing sleeve, fixing sleeve and the flexible handle cover clearance fit；The other end is fixedly connected with locking plate；
Motor is equipped in the movable hand sleeve；Lock piece, the motor are equipped in the other end of the movable hand sleeve
Output shaft connect with lock piece, to drive lock piece to move, the fixing sleeve realizes locking, solution by the movement of lock piece
Lock movable hand sleeve；The input terminal of the motor is electrically connected with the PCB circuit board.
It further, is step pore structure in the movable hand sleeve, movable hand sleeve includes path body and major diameter set
Body；
The fixing sleeve is set on the path body, and with path body clearance fit, the lock piece and motor
It is internal to be arranged at path set；
The path body is fixedly connected far from the end of the major diameter body with the locking plate；The major diameter body is separate
The end of the path body is connect with the cover, and PCB circuit board is located at major diameter set in vivo.
Further, the circumferential side wall of the path body is equipped with the through-hole for accommodating the lock piece, the fixing sleeve
Circumferential side wall be equipped with the gap for accommodating the lock piece, and when through-hole and corresponding gap, the path body is received
The lock piece locking in the through-hole and gap.
Further, the path set is equipped with the accommodating chamber for accommodating the lock piece in vivo；The output shaft of the motor with
The axis of the path body is parallel, and is installed with driving gear on the output shaft；
The lock piece includes the incomplete ring gear that inner ring is equipped with tooth, and the driving gear is engaged with incomplete ring gear, institute
The peripheral part for stating incomplete ring gear is equipped with the locking part of outwardly convex, and locking part can pass in and out the through-hole and gap.
Further, the fixing sleeve is equipped with reset motor contact, and the flexible handle, which is put on, to be equipped with and the PCB electricity
The reset switch of road plate electrical connection, reset motor contact are contacted with reset switch to realize that incomplete ring gear resets.
Further, the reset motor contact is located at the fixing sleeve on the end face of the major diameter body；
The reset switch is located at major diameter set in vivo in the radial sidewalls of the path body, and on the side wall
Equipped with contact sliding slot；
The reset motor contact is slidably connected with the sliding slot, is contacted with realizing with the reset switch.
Further, the finger print acquisition module is arranged on the PCB circuit board (2), for obtaining fingerprint image；
The PCB circuit board (2) is equipped with fingerprint identification module, is provided with fingerprint characteristic library in the fingerprint identification module,
The fingerprint identification module carries out fingerprint characteristic for receiving fingerprint image of the processing from finger print acquisition module, to fingerprint image
It extracts, and is matched with the data stored in fingerprint characteristic library, matching result is exported to control module；
Control module controls electricity for receiving the matching result of fingerprint identification module transmission, and by motor drive module
Machine work.
Further, the chip model for the sensor that the finger print acquisition module uses is described for TA-172 cake core U3
Fingerprint identification module is TA0702 type finger prints processing chip U2, and the control module is BS83A02A-4 cake core；Motor driven
Module uses FP5502S6C cake core.
Further, the pin 1 of the TA-172 cake core U3 concatenates PGB1010603 type parastat D12 and is followed by
Pin 24, PGB1010603 type parastat D12 is in parallel with resistance R4, and PGB1010603 type parastat D12
One end ground connection；The pin 2 of TA-172 cake core U3 is connect with the pin 26 of TA0702 type finger prints processing chip U2；TA-172 type
The pin 3 of chip U3 is connect with the pin 30 of TA0702 type finger prints processing chip U2；The pin 4 of TA-172 cake core U3 with
The pin 39 of TA0702 type finger prints processing chip U2 connects；The pin 5 and TA0702 type finger prints processing core of TA-172 cake core U3
The pin 37 of piece U2 connects；The pin 7 of TA-172 cake core U3 concatenate after PGB1010603 type parastat D11 with it is described
The connection of BS83A02A-4 cake core；After the 20 series resistor R5 of pin of TA-172 cake core U3 respectively with the BS83A02A-4 type
Chip is connected with TS1072 type fingerprint head；The pin 21 of TA-172 cake core U3 and the pin of TA0702 type finger prints processing chip U2
36 connections；
The pin 1 of the TA0702 type finger prints processing chip U2 is connect after concatenating R1 with power supply circuit；The TA0702 type
The pin 2 and pin 3 of finger prints processing chip U2 connects crystal oscillating circuit；The pin 11 of the TA0702 type finger prints processing chip U2 connects
Ground；The pin 13 of the TA0702 type finger prints processing chip U2 is grounded by capacitor C14；TA0702 type finger prints processing chip U2's
Pin 14 connects pin 17 by resistance R7；The pin 16 of TA0702 type finger prints processing chip U2 connects reset circuit；TA0702 type refers to
The pin 19 of line processing chip U2 meets power supply VCC, and is grounded after 19 serial capacitance C2 of pin；TA0702 type finger prints processing chip U2
20 series resistor R14 of pin be followed by power supply VCC；The pin 21 of TA0702 type finger prints processing chip U2 connects power supply VCC, and pin
It is grounded after 21 serial capacitance C9；The pin 28 of TA0702 type finger prints processing chip U2 connects the pin of the FP5502S6C cake core
4；The pin 29 of TA0702 type finger prints processing chip U2 meets power supply VCC, and is grounded after 29 serial capacitance C6 of pin；TA0702 type refers to
The pin 31 of line processing chip U2 connects the pin 3 of the FP5502S6C cake core；The pin of TA0702 type finger prints processing chip U2
It is connect after 34 concatenation R8 with power supply circuit；The 35 series resistor R26 of pin of TA0702 type finger prints processing chip U2 is followed by power supply
VCC, and pin 35 goes back series diode D7 and is followed by control module；38 series resistor of pin of TA0702 type finger prints processing chip U2
R17 is followed by power supply VCC, and pin 38 goes back the pin 5 that series diode D13 is followed by BS83A02A-4 cake core；TA0702 type refers to
The pin 40 of line processing chip U2 connects the pin 3 of BS83A02A-4 cake core.
Further, the pin 1 of the BS83A02A-4 cake core is grounded after being sequentially connected in series resistance R9 and capacitor C12, electricity
Hinder the pin 5 of the indirect FP5502S6C cake core of R9 and capacitor C12；The pin 2 of BS83A02A-4 cake core is grounded；
The pin 4 of BS83A02A-4 cake core connects power management module；The pin 6 of BS83A02A-4 cake core connects the negative of diode D14
Pole, the anode of diode D14 are sequentially connected in series capacitor C11 and resistance R11 and are followed by TS1072 type fingerprint head, the anode of diode D14
It is grounded after also series resistor R10, is grounded after series resistor R3 between capacitor C11 and resistance R11；BS83A02A-4 cake core draws
Foot 6 also connects the cathode of diode D15, is grounded after the cathode series resistance R22 of diode D15, the anode concatenation electricity of diode D15
It is grounded after holding C7, the anode of diode D15 connects a non-moving end of switch S1, and another non-moving end series resistor R15 is followed by
The pin 5 of FP5502S6C cake core is grounded after the series resistor R23 of moved end, and resistance R23 is in parallel with capacitor C13, and moved end also connects
TA0702 type finger prints processing chip U2.
Compared with prior art, beneficial effects of the present invention: 1, the present invention is by the way that fingerprint collecting, fingerprint recognition to be integrated in
In PCB circuit board, locking clutch and drive dynamic control device and PCB circuit board are integrated in movable hand sleeve, it is small in size
Ingeniously, structure is simple.
2, the present invention is connect by fixing sleeve with lockhole, and movable hand sleeve is connect with locking plate, can directly by link lock, turn
Mechanical lock is directly substituted for Fingerprint Lock, installation operation without replacing other component by the lock core replacement of tongue lock or blocking lock etc.
Simply, the convenience of replacement Fingerprint Lock, save the cost are improved.
3, major diameter body of the invention can play the role of handle, compensate for the shortcomings that tradition machinery lock is without handle.
4, the simple and reliable property of lock piece structure of the invention is high.
5, the present invention can efficient and convenient progress fingerprint recognition unlocking and locking, structure is simple, and save the cost while can
By property height.
Detailed description of the invention
Fig. 1 is decomposition texture schematic diagram of the present invention.
Fig. 2 is schematic structural view of the invention.
Fig. 3 is the sectional view along A-A of Fig. 2.
Fig. 4 is movable hand sleeve and fixing sleeve cross-sectional view.
Fig. 5 is the B-B direction cross-sectional view of Fig. 2.
Fig. 6 is major diameter sheath structure schematic diagram of the present invention.
Fig. 7 is using state structure diagram of the present invention.
Fig. 8 is circuit connection diagram of the present invention.
1., power management module circuit in Fig. 8:；2., power supply circuit；3., motor drive module circuit；4., voltage detecting
Circuit；5., fingerprint identification module circuit；6., state instruction circuit for lamp；7., control module point diagram；8., finger print acquisition module electricity
Road.
Specific embodiment
Further detailed description is done to the present invention combined with specific embodiments below, but embodiments of the present invention are not limited to
This.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present embodiment provides a kind of handle latch mechanism based on fingerprint recognition, including
Cover 1, the PCB circuit board 2 being arranged on cover 1 and the finger print acquisition module 3 being arranged in PCB circuit board 2 further include living
It starts sleeve 4, one end of movable hand sleeve 4 is fixedly connected with cover 1, and PCB circuit board 2 and finger print acquisition module 3 are located at activity
In taper knob 4, the fixing sleeve 6 for being fixedly connected with lockhole, fixing sleeve 6 and work are arranged on the other end of movable hand sleeve 4
It starts 4 clearance fit of sleeve, movable hand sleeve 4 can rotate in fixing sleeve 6；The other end and locking plate 7 of movable hand sleeve 4 are solid
Fixed connection, locking plate are threadably secured with movable hand sleeve 4 and connect, and the locking plate of link lock is connect with locking bar；Cam lock or linkage
Lock locking plate is lock tongue, is threadably secured and connect with movable hand sleeve 4.PCB circuit board 2 is equipped with USB charging interface 21, passes through
USB connection can carry out quick charge, and it is convenient to charge.Fingerprint collecting chip and the identification of fingerprint recognition chip are integrated in Φ 18mm
PCB circuit board on form fingerprint processing unit.
Motor 5 is equipped in movable hand sleeve 4；Lock piece 8, the output shaft of motor 5 are equipped in the other end of movable hand sleeve 4
It is connect with lock piece 8, to drive lock piece 8 to move, fixing sleeve 6 realizes locking, unlock movable hand by the movement of lock piece 8
Sleeve 4, movable hand sleeve；The input terminal of motor 5 is electrically connected with PCB circuit board 2.Fixing sleeve 6 and the fixed company of lockhole, fixing sleeve 6
Peripheral part be equipped with screw thread, be fixedly connected by locking nut with cabinet door, motor 5 drive lock piece 8 movement, so as to unlock
Movable hand sleeve 4 rotates movable hand sleeve 4, and then locking plate 7 is driven to move, and under the action of locking plate 7, two locking bars 71 are upward
With move downward, be detached from from cabinet body pin hole 72, so that cabinet door 73 be opened；Or after movable hand sleeve 4 rotates, locking plate is driven
7 movements, locking plate 7 is detached from locking bolt or pin hole, to open cabinet door.When needing to lock, then flexible handle is rotated round about
Set 4, by cabinet door locking, then motor 5 is inverted, and driving lock piece 8 resets, by 4 locking of movable hand sleeve, on cabinet door 73 is completed
Lock.The present embodiment is by the way that fingerprint collecting, fingerprint recognition to be integrated in PCB circuit board, by locking clutch and drive control
Device and PCB circuit board are integrated in movable hand sleeve, not only compact, and also structure is simple.The present embodiment passes through fixing sleeve 6
It being connect with lockhole, movable hand sleeve 4 is connect with locking plate, directly the lock core of link lock, cam lock or blocking lock etc. can be replaced,
Mechanical lock is directly substituted for Fingerprint Lock without replacing other component, installation is easy to operate, improves replacement Fingerprint Lock just
Victory, save the cost.
It further, is step pore structure in movable hand sleeve 4, movable hand sleeve 4 includes path body 41 and major diameter set
Body 42；Fixing sleeve 6 is set on path body 41, and with 41 clearance fit of path body, the setting of lock piece 8 is internal in path set
41, motor 5 is installed in path body 41；End of the path body 41 far from major diameter body 42 is fixedly connected with locking plate 7, path
Body 41 is equipped with locking plate mounting portion far from the end of major diameter body 42, and the left end of path body 41 is consolidated with locking plate known to attached drawing 7
Fixed connection, left end are equipped with locking plate mounting portion, generally screwed mounting portion, and right end is connect with major diameter body 42；Cover 1 is set
It sets in end of the major diameter body 42 far from path body 41, by attached drawing it is found that the right end of major diameter body 42 is equipped with cover 1, and PCB
Circuit board 2 is located in major diameter body 42.Path body 41 and fixing sleeve 6 and the size of standard lockhole match, and can directly replace
Mechanical lock, and connect with locking plate 7.Major diameter body 42 is located at 73 outside of cabinet door, can be used as the function of handle, without independent
Handle is set, cost is saved.In the present embodiment, major diameter body 42 is located in the outer plate surface of the external door panel 74 of cabinet door 73, path set
Body 41 and fixing sleeve 6 pass through the lockhole on door-plate outside plate 74, between door-plate outside plate 74 and door-plate inner panel 75, and with locking plate 7
It is fixedly connected or major diameter body 42 is located at outside drawer, path body 41 passes through drawer, and fixing sleeve 6 is located at drawer.
Further, the circumferential side wall of path body 41 is equipped with the through-hole 43 for accommodating lock piece 8, the circumferential direction of fixing sleeve 6
Side wall is equipped with the gap 61 for accommodating lock piece 8, and when through-hole 43 and corresponding gap 61, path body 41 is accommodated in through-hole
43 and gap 61 in 8 locking of lock piece.When through-hole 43 and corresponding gap 61, motor 5 drives lock piece 8 to move to, and leads to
In hole 43 and gap 61, lock piece 8 is connected in through-hole 43 and gap 61, by path body 41 and 6 locking of fixing sleeve, namely is lived
Starting, sleeve 4 is whole to be fixed 6 lockings of set.Lock piece 8 is arranged in path body 41, is integrated in path body 41, saves
Space.
Further, the accommodating chamber for accommodating lock piece 8 is equipped in path body 41, the accommodating chamber in the present embodiment is located at small
In the left end of diameter body 41；The output shaft of motor 5 is parallel with the axis of path body 41, and driving gear is installed on output shaft
51；Lock piece 8 includes the incomplete ring gear 81 that inner ring is equipped with tooth, and driving gear 51 is engaged with incomplete ring gear 81, incomplete tooth
The peripheral part of ring 81 is equipped with the locking part 82 of outwardly convex, and locking part 82 can pass in and out through-hole 43 and gap 61, incomplete ring gear
A part of 81 inner ring is equipped with tooth.In the present embodiment, as shown in figure 5, locking part 82 is located at the upper end of incomplete ring gear 81
Or lower end, motor 5 drive driving gear 51, driving gear 51 drives incomplete ring gear 81 to move up and down, to make locking part 82
Through-hole 43 and gap 61 can be passed in and out, to realize locking and unlock flexible handle set 4.
Further, fixing sleeve 6 is equipped with reset motor contact 62, and movable hand sleeve 4 is equipped with and 2 electricity of PCB circuit board
The reset switch 44 of connection, reset motor contact 62 is contacted with reset switch 44 to realize that incomplete ring gear 81 resets, and then is made
Movable hand sleeve 4 resets locking.It realizes and unlocks after being rotated by movable hand sleeve 4, rotate movable hand sleeve 4 again, drive multiple
The rotation of bit switch 44 is contacted with reset contact 62, and triggering generates the signal of starting motor 5, and motor 5 drives lock piece 8 to reset.
Further, as shown in fig. 6, reset motor contact 62 is located at fixing sleeve 6 on the end face of major diameter body 42；It is multiple
Bit switch 44 is located in major diameter body 42 in the radial sidewalls of path body 41, and the side wall is equipped with contact sliding slot 45；
Reset motor contact 62 is slidably connected with sliding slot 45, is contacted with realizing with reset switch 44.In the present embodiment, reset motor contact
62 are located in the right end face of fixing sleeve 6, and reset switch 44 and contact sliding slot 45 are located in major diameter body 42 on left side, sliding slot
45 move with major diameter body 42, slide reset motor contact 62 in sliding slot 45, sliding into certain position can open with reset
44 contacts are closed, trigger signal is generated, PCB circuit board receives trigger signal, and controls the work of motor 5.
Further, finger print acquisition module is arranged in PCB circuit board 2, and finger print acquisition module is for obtaining fingerprint image；
PCB circuit board 2 is equipped with fingerprint identification module, and fingerprint characteristic library is provided in the fingerprint identification module, and fingerprint identification module is used
The fingerprint image from finger print acquisition module is handled in receiving, Finger print characteristic abstract, and and fingerprint characteristic are carried out to fingerprint image
The data stored in library are matched, and matching result is exported to control module；
Control module controls electricity for receiving the matching result of fingerprint identification module transmission, and by motor drive module
Machine work.
Further, as shown in figure 8, the chip model for the sensor that finger print acquisition module uses is TA-172 cake core
U3, fingerprint identification module are TA0702 type finger prints processing chip U2, and control module is BS83A02A-4 cake core；Motor driven mould
Block uses FP5502S6C cake core.
Further, the pin 1 of TA-172 cake core U3 concatenates PGB1010603 type parastat D12 and is followed by pin
24, PGB1010603 type parastat D12 are in parallel with resistance R4, and the one of PGB1010603 type parastat D12
End ground connection；The pin 2 of TA-172 cake core U3 is connect with the pin 26 of TA0702 type finger prints processing chip U2；TA-172 cake core
The pin 3 of U3 is connect with the pin 30 of TA0702 type finger prints processing chip U2；The pin 4 and TA0702 type of TA-172 cake core U3
The pin 39 of finger prints processing chip U2 connects；The pin 5 and TA0702 type finger prints processing chip U2's of TA-172 cake core U3 draws
Foot 37 connects；The pin 7 of TA-172 cake core U3 concatenate after PGB1010603 type parastat D11 with BS83A02A-4 type
Chip connection；Refer to respectively with BS83A02A-4 cake core and TS1072 type after the 20 series resistor R5 of pin of TA-172 cake core U3
The connection of line head；The pin 21 of TA-172 cake core U3 is connect with the pin 36 of TA0702 type finger prints processing chip U2；
The pin 1 of TA0702 type finger prints processing chip U2 is connect after concatenating R1 with power supply circuit；TA0702 type finger prints processing
The pin 2 and pin 3 of chip U2 connects crystal oscillating circuit；The pin 11 of TA0702 type finger prints processing chip U2 is grounded；TA0702 type refers to
The pin 13 of line processing chip U2 is grounded by capacitor C14；The pin 14 of TA0702 type finger prints processing chip U2 passes through resistance R7
Connect pin 17；The pin 16 of TA0702 type finger prints processing chip U2 connects reset circuit；TA0702 type finger prints processing chip U2's draws
Foot 19 meets power supply VCC, and is grounded after 19 serial capacitance C2 of pin；20 series resistor of pin of TA0702 type finger prints processing chip U2
R14 is followed by power supply VCC；The pin 21 of TA0702 type finger prints processing chip U2 meets power supply VCC, and 21 serial capacitance C9 of pin is followed by
Ground；The pin 28 of TA0702 type finger prints processing chip U2 connects the pin 4 of FP5502S6C cake core；TA0702 type finger prints processing core
The pin 29 of piece U2 meets power supply VCC, and is grounded after 29 serial capacitance C6 of pin；The pin 31 of TA0702 type finger prints processing chip U2
Connect the pin 3 of FP5502S6C cake core；The pin 34 of TA0702 type finger prints processing chip U2 connects after concatenating R8 with power supply circuit
It connects；The 35 series resistor R26 of pin of TA0702 type finger prints processing chip U2 is followed by power supply VCC, and pin 35 goes back series diode
D7 is followed by control module；The 38 series resistor R17 of pin of TA0702 type finger prints processing chip U2 is followed by power supply VCC, and pin 38
Also series diode D13 is followed by the pin 5 of BS83A02A-4 cake core；The pin 40 of TA0702 type finger prints processing chip U2 connects
The pin 3 of BS83A02A-4 cake core.
Further, the pin 1 of BS83A02A-4 cake core is grounded after being sequentially connected in series resistance R9 and capacitor C12, resistance R9
With the pin 5 of the indirect FP5502S6C cake core of capacitor C12；The pin 2 of BS83A02A-4 cake core is grounded；BS83A02A-4
The pin 4 of cake core connects power management module；The pin 6 of BS83A02A-4 cake core connects the cathode of diode D14, diode
The anode of D14 is sequentially connected in series capacitor C11 and resistance R11 and is followed by TS1072 type fingerprint head, and the anode of diode D14 goes back series resistor
It is grounded after R10, is grounded after series resistor R3 between capacitor C11 and resistance R11；The pin 6 of BS83A02A-4 cake core also connects two
The cathode of pole pipe D15 is grounded after the cathode series resistance R22 of diode D15, and the positive serial capacitance C7 of diode D15 is followed by
Ground, the anode of diode D15 connect a non-moving end of switch S1, and another non-moving end series resistor R15 is followed by FP5502S6C cake core
Pin 5, be grounded after the series resistor R23 of moved end, resistance R23 is in parallel with capacitor C13, and moved end also connects TA0702 type finger prints processing
Chip U2.
The working principle of the invention or the course of work are as follows: as shown in fig. 7, fixing sleeve 6 is mounted on lockhole by nut,
The locking plate mounting portion of path body 41 is connected through a screw thread with locking plate, handle lock is installed.On finger print acquisition module
By fingerprint is put, fingerprint is identified by the fingerprint identification unit in PCB circuit board, after being identified by, controls 5 work of motor
Make, motor 5 drives driving gear 51, and driving gear 51 drives incomplete ring gear 81 to move downward, so that locking part 82 be made to leave
Through-hole 43 and gap 61, path body 41 is released namely movable hand sleeve 4 is released, and can be rotated in fixing sleeve 6, at this time
Movable hand sleeve 4 is rotated, drives locking plate 7 to move, under the action of locking plate 7, two locking bars 71 move up and down, from cabinet body
It is detached from pin hole 72, so that cabinet door 73 be opened；Or after movable hand sleeve 4 rotates, locking plate 7 is driven to move, locking plate 7 is detached from lock
Bolt or pin hole, to open cabinet door.When needing to lock, then movable hand sleeve 4 is rotated round about, locking plate 7 is driven to move,
Make reset motor contact 62 in sliding slot 45 at this point, 45 movable hand sleeve 4 of sliding slot moves cabinet door locking under the action of locking plate 7
Then interior sliding is contacted with reset switch 44, generate trigger signal, and PCB circuit board receives trigger signal, and it is anti-to control motor 5
Turn, motor 5 drives driving gear 51, and driving gear 51 drives incomplete ring gear 81 to move upwards, so that locking part 82 be made to enter
In through-hole 43 and gap 61, path body 41 is fixed by locking part 82 with 6 locking of fixing sleeve namely movable hand sleeve 4 is consolidated
Surely set 6 is fixed, completes locking.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of handle latch mechanism based on fingerprint recognition, including cover (1), the PCB circuit board (2) being arranged on cover (1)
And the finger print acquisition module (3) being arranged on PCB circuit board (2), it is characterised in that: it further include movable hand sleeve (4), activity
One end of taper knob (4) is fixedly connected with the cover (1), and the fixing sleeve for being fixedly connected with lockhole is arranged on the other end
(6), fixing sleeve (6) and movable hand sleeve (4) clearance fit；The other end is fixedly connected with locking plate (7)；
Motor (5) are equipped in the movable hand sleeve (4)；Lock piece (8) are equipped in the other end of the movable hand sleeve (4),
The output shaft of the motor (5) is connect with lock piece (8), and to drive lock piece (8) to move, the fixing sleeve (6) passes through locking
The movement of part (8) is to realize locking, unlock movable hand sleeve (4)；The input terminal of the motor (5) and the PCB circuit board (2)
Electrical connection.
2. a kind of handle latch mechanism based on fingerprint recognition according to claim 1, it is characterised in that: the flexible handle
Covering in (4) is step pore structure, and movable hand sleeve (4) includes path body (41) and major diameter body (42)；
The fixing sleeve (6) is set on the path body (41), and with path body (41) clearance fit, the lock piece
(8) it is arranged in path body (41) with motor (5)；
The path body (41) is fixedly connected far from the end of the major diameter body (42) with the locking plate (7)；The major diameter
Body (42) is connect far from the end of the path body (41) with the cover (1), and PCB circuit board (2) is positioned at described big
In diameter body (42).
3. a kind of handle latch mechanism based on fingerprint recognition according to claim 2, it is characterised in that: the path body
(41) circumferential side wall is equipped with the through-hole (43) for accommodating the lock piece (8), and the circumferential side wall of the fixing sleeve (6) is equipped with
The gap (61) of the lock piece (8) is accommodated, and when through-hole (43) and corresponding gap (61), the path body (41) is held
The lock piece (8) locking being contained in the through-hole (43) and gap (61).
4. a kind of handle latch mechanism based on fingerprint recognition according to claim 3, it is characterised in that: the path body
(41) accommodating chamber for accommodating the lock piece (8) is equipped in；The axis of the output shaft of the motor (5) and the path body (41)
Line is parallel, and driving gear (51) are installed on the output shaft；
The lock piece (8) include inner ring a part be equipped with tooth incomplete ring gear (81), the driving gear (51) with
Incomplete ring gear (81) engagement, the peripheral part of the incomplete ring gear (81) are equipped with the locking part (82) of outwardly convex, locking part
(82) through-hole (43) and gap (61) can be passed in and out.
5. a kind of handle latch mechanism based on fingerprint recognition according to claim 4, it is characterised in that: the fixing sleeve
(6) reset motor contact (62) are equipped with, the movable hand sleeve (4) is equipped with and answers with what the PCB circuit board (2) was electrically connected
Bit switch (44), reset motor contact (62) are contacted with reset switch (44) to realize that incomplete ring gear (81) reset.
6. a kind of handle latch mechanism based on fingerprint recognition according to claim 5, it is characterised in that: the reset motor
Contact (62) is located at the fixing sleeve (6) on the end face of the major diameter body (42)；
The reset switch (44) is located in the major diameter body (42) in the radial sidewalls of the path body (41), and
The side wall is equipped with contact sliding slot (45)；
The reset motor contact (62) is slidably connected with the sliding slot (45), is contacted with realizing with the reset switch (44).
7. a kind of handle latch mechanism based on fingerprint recognition according to claim 1, it is characterised in that: the fingerprint collecting
Module (3) is arranged on the PCB circuit board (2), for obtaining fingerprint image；
The PCB circuit board (2) is equipped with fingerprint identification module, is provided with fingerprint characteristic library in the fingerprint identification module, described
Fingerprint identification module carries out fingerprint characteristic to fingerprint image and mentions for receiving fingerprint image of the processing from finger print acquisition module
It takes, and is matched with the data stored in fingerprint characteristic library, matching result is exported to control module；
Control module controls motor work for receiving the matching result of fingerprint identification module transmission, and by motor drive module
Make.
8. a kind of handle latch mechanism based on fingerprint recognition according to claim 7, it is characterised in that: the fingerprint collecting
For the chip model for the sensor that module uses for TA-172 cake core U3, the fingerprint identification module is TA0702 type finger prints processing
Chip U2, the control module are BS83A02A-4 cake core；Motor drive module uses FP5502S6C cake core.
9. a kind of handle latch mechanism based on fingerprint recognition according to claim 8, it is characterised in that: the TA-172 type
The pin 1 of chip U3 concatenates PGB1010603 type parastat D12 and is followed by pin 24, PGB1010603 type antistatic protection
Device D12 is in parallel with resistance R4, and one end ground connection of PGB1010603 type parastat D12；TA-172 cake core U3's draws
Foot 2 is connect with the pin 26 of TA0702 type finger prints processing chip U2；At the pin 3 and TA0702 type fingerprint of TA-172 cake core U3
The pin 30 for managing chip U2 connects；The pin 4 of TA-172 cake core U3 and the pin 39 of TA0702 type finger prints processing chip U2 connect
It connects；The pin 5 of TA-172 cake core U3 is connect with the pin 37 of TA0702 type finger prints processing chip U2；TA-172 cake core U3's
Pin 7 is connect after concatenating PGB1010603 type parastat D11 with the BS83A02A-4 cake core；TA-172 cake core
It is connect respectively with the BS83A02A-4 cake core and TS1072 type fingerprint head after the 20 series resistor R5 of pin of U3；TA-172 type
The pin 21 of chip U3 is connect with the pin 36 of TA0702 type finger prints processing chip U2；
The pin 1 of the TA0702 type finger prints processing chip U2 is connect after concatenating R1 with power supply circuit；The TA0702 type fingerprint
The pin 2 and pin 3 for handling chip U2 connect crystal oscillating circuit；The pin 11 of the TA0702 type finger prints processing chip U2 is grounded；Institute
The pin 13 for stating TA0702 type finger prints processing chip U2 is grounded by capacitor C14；The pin of TA0702 type finger prints processing chip U2
14 connect pin 17 by resistance R7；The pin 16 of TA0702 type finger prints processing chip U2 connects reset circuit；At TA0702 type fingerprint
The pin 19 of reason chip U2 meets power supply VCC, and is grounded after 19 serial capacitance C2 of pin；TA0702 type finger prints processing chip U2's draws
20 series resistor R14 of foot is followed by power supply VCC；The pin 21 of TA0702 type finger prints processing chip U2 meets power supply VCC, and pin 21 is gone here and there
It is grounded after meeting capacitor C9；The pin 28 of TA0702 type finger prints processing chip U2 connects the pin 4 of the FP5502S6C cake core；
The pin 29 of TA0702 type finger prints processing chip U2 meets power supply VCC, and is grounded after 29 serial capacitance C6 of pin；TA0702 type fingerprint
The pin 31 of processing chip U2 connects the pin 3 of the FP5502S6C cake core；The pin 34 of TA0702 type finger prints processing chip U2
It is connect after concatenation R8 with power supply circuit；The 35 series resistor R26 of pin of TA0702 type finger prints processing chip U2 is followed by power supply VCC,
And pin 35 goes back series diode D7 and is followed by control module；The 38 series resistor R17 of pin of TA0702 type finger prints processing chip U2
It is followed by power supply VCC, and pin 38 goes back the pin 5 that series diode D13 is followed by BS83A02A-4 cake core；At TA0702 type fingerprint
The pin 40 of reason chip U2 connects the pin 3 of BS83A02A-4 cake core.
10. a kind of handle latch mechanism based on fingerprint recognition according to claim 9, it is characterised in that: described
The pin 1 of BS83A02A-4 cake core is grounded after being sequentially connected in series resistance R9 and capacitor C12, and resistance R9 and capacitor C12 are indirectly
The pin 5 of FP5502S6C cake core；The pin 2 of BS83A02A-4 cake core is grounded；The pin 4 of BS83A02A-4 cake core connects
Power management module；
The pin 6 of BS83A02A-4 cake core connects the cathode of diode D14, the anode of diode D14 be sequentially connected in series capacitor C11 and
Resistance R11 is followed by TS1072 type fingerprint head, and the anode of diode D14 is grounded after going back series resistor R10, capacitor C11 and resistance R11
Between be grounded after series resistor R3；
The pin 6 of BS83A02A-4 cake core also connects the cathode of diode D15, and the cathode series resistance R22 of diode D15 is followed by
Ground is grounded after the positive serial capacitance C7 of diode D15, and the anode of diode D15 connects a non-moving end of switch S1, another motionless
End series resistor R15 is followed by the pin 5 of FP5502S6C cake core, is grounded after the series resistor R23 of moved end, resistance R23 and capacitor
C13 is in parallel, and moved end also meets TA0702 type finger prints processing chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458925.0A CN108104603B (en) | 2017-12-28 | 2017-12-28 | A kind of handle latch mechanism based on fingerprint recognition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458925.0A CN108104603B (en) | 2017-12-28 | 2017-12-28 | A kind of handle latch mechanism based on fingerprint recognition |
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| Publication Number | Publication Date |
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| CN108104603A CN108104603A (en) | 2018-06-01 |
| CN108104603B true CN108104603B (en) | 2019-09-20 |
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| CN201711458925.0A Expired - Fee Related CN108104603B (en) | 2017-12-28 | 2017-12-28 | A kind of handle latch mechanism based on fingerprint recognition |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109458067A (en) * | 2018-12-27 | 2019-03-12 | 浙江聚盛电气有限公司 | The door lock mechanism of switchgear |
| CN111197431A (en) * | 2019-12-30 | 2020-05-26 | 厦门美科物联科技有限公司 | Novel electronic lock structure |
| CN111236762B (en) * | 2020-01-19 | 2021-04-27 | 台州宝盾科技有限公司 | Lockset and key assembly and using method thereof |
| CN113017305A (en) * | 2021-03-03 | 2021-06-25 | 江西金虎保险设备集团有限公司 | Intelligent bullet cabinet with protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203175195U (en) * | 2013-04-15 | 2013-09-04 | 邝代青 | Anti-theft lock |
| CN203321128U (en) * | 2013-06-24 | 2013-12-04 | 深圳鹏城维信工业制品有限公司 | Fingerprint lock structure |
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Effective date of registration: 20200827 Address after: Room 1603, block h, Wangzuo modern city, Tangyan Road, hi tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an ren'an Intelligent Technology Co.,Ltd. Address before: 710065 Shaanxi city of Xi'an province high tech Zone six new road Liren Science Park Block B 5 room 10501 Patentee before: XIAN VULCAN LOCK Co.,Ltd. |
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Granted publication date: 20190920 Termination date: 20211228 |