CN103345787A - Fully automatic wireless fingerprint lock, and control method and fingerprint identification method thereof - Google Patents

Fully automatic wireless fingerprint lock, and control method and fingerprint identification method thereof Download PDF

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Publication number
CN103345787A
CN103345787A CN2013102134754A CN201310213475A CN103345787A CN 103345787 A CN103345787 A CN 103345787A CN 2013102134754 A CN2013102134754 A CN 2013102134754A CN 201310213475 A CN201310213475 A CN 201310213475A CN 103345787 A CN103345787 A CN 103345787A
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China
Prior art keywords
fingerprint
lock
signal
chip microcomputer
magnetic force
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Pending
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CN2013102134754A
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Chinese (zh)
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果莉
吕信超
李明
李格伦
张伶鳦
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Northeast Agricultural University
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Northeast Agricultural University
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Priority to CN2013102134754A priority Critical patent/CN103345787A/en
Publication of CN103345787A publication Critical patent/CN103345787A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a fingerprint lock, and particularly to a fully automatic wireless fingerprint lock, and a control method and a fingerprint identification method thereof. The invention is used for solving the problems that a conventional fingerprint lock is high in cost, inconvenient to use and easy to damage. The fully automatic wireless fingerprint lock includes a fingerprint detection module, a first single chip microcomputer, a first wireless transceiver module, a second wireless transceiver module, a second single chip microcomputer and a magnetic lock. Software is embedded into the first single chip microcomputer and the second single chip microcomputer to allow the fingerprint lock to work: the fingerprint detection module identifies a fingerprint and transmits a fingerprint identification signal to the first single chip microcomputer, the first single chip microcomputer exchanges data with the second single chip microcomputer through the first wireless transceiver module and the second wireless transceiver module, and the second single chip microcomputer controls opening and closing of the magnetic lock according to the received fingerprint identification signal. The fully automatic wireless fingerprint lock is applicable to vehicle locks of bicycles, electric cars and ordinary saloon cars.

Description

Full-automatic wireless Fingerprint Lock and control method thereof and fingerprint identification method
Technical field
The present invention relates to a kind of Fingerprint Lock, particularly a kind of full-automatic wireless Fingerprint Lock and control method and fingerprint identification method.
Background technology
Lockset market at home mainly contains mechanical lock, coded lock, remote control lock, fingerprint mechanical lock etc. at present.For mechanical lock, its problem is that mechanical key is lost easily or lockset makes moist and gets rusty, causes and can not normally unblank.Coded lock and the security of remote control lock are lower, and at present popular Fingerprint Lock is many to combine with mechanical lock or coded lock, and this Fingerprint Lock is the cost height not only, and uses inconvenience because fingerprint recognition and tapered end are one, and easily destroyed.
Summary of the invention
The objective of the invention is to use inconvenience and easy ruined problem in order to solve present Fingerprint Lock cost height, the invention provides a kind of full-automatic wireless Fingerprint Lock and control method and fingerprint identification method.
Full-automatic wireless Fingerprint Lock of the present invention, it comprises finger print detecting module, first single-chip microcomputer, first radio receiving transmitting module, second radio receiving transmitting module, second singlechip, magnetic force lock, first power circuit and second source circuit; The detection signal input/output terminal of finger print detecting module is connected with the detection signal input/output terminal of first single-chip microcomputer, first single-chip microcomputer carries out exchanges data by first radio receiving transmitting module and second radio receiving transmitting module and second singlechip, and the control signal input/output terminal of second singlechip is connected with the control signal input/output terminal of magnetic force lock;
First power circuit provides working power for finger print detecting module, first single-chip microcomputer and first radio receiving transmitting module;
The second source circuit provides working power for second radio receiving transmitting module, second singlechip and magnetic force lock.
The control method of full-automatic wireless Fingerprint Lock,
Described first single-chip microcomputer is embedded in software, and the course of work of described software comprises the steps:
Step to finger print detecting module and first radio receiving transmitting module transmission initializing signal;
When receiving the correct signal of detection that finger print detecting module sends, send the step of the order of opening the magnetic force lock to second singlechip by first radio receiving transmitting module;
When receiving the signal of the detection mistake that finger print detecting module sends, send the step of the order of closing the magnetic force lock to second singlechip by first radio receiving transmitting module;
Described second singlechip is embedded in software, and the course of work of described software comprises the steps:
Step to magnetic force lock and second radio receiving transmitting module transmission initializing signal;
When receiving the order of opening the magnetic force lock, send the step of the signal of opening tapered end to the magnetic force lock;
When receiving the order of closing the magnetic force lock, send the step of the signal that closes locking head to the magnetic force lock.
The fingerprint identification method of full-automatic wireless Fingerprint Lock, the course of work of finger print detecting module comprises the steps:
The typing fingerprint, and with the fingerprint generating feature of described typing and the step of storage;
Detect the step whether fingerprint signal to be detected is arranged;
When receiving fingerprint signal to be detected, described fingerprint signal is generated the step of fingerprint image;
Described fingerprint image is carried out pretreated step;
Pretreated fingerprint image is carried out the step of binaryzation;
Image after the binaryzation is carried out the step of refinement;
Fingerprint image after the refinement is carried out the step of feature point extraction;
According to the unique point of extracting judge described fingerprint signal to be detected whether with the step of the fingerprint signal coupling of first single-chip microcomputer storage;
When judging fingerprint signal to be detected and database of fingerprint Signal Matching, the step that correct signal sends to first single-chip microcomputer will be detected;
When judging fingerprint signal to be detected and database of fingerprint signal and do not match, will detect the step that wrong true signal sends to first single-chip microcomputer.
The invention has the advantages that, realized fingerprint recognition and magnetic force lock function separately by radio receiving transmitting module, solved the factor of artificial destruction like this, make security performance higher, be difficult for destroyed.The present invention realizes electric with electric cooperating, and has simplified physical construction, has reduced cost, and is easy to use.The present invention is applicable to the lock of bicycle, electric motor car and general car.It can also be installed on the door lock of family.
Description of drawings
Fig. 1 is the principle schematic of full-automatic wireless Fingerprint Lock of the present invention.
Fig. 2 is the workflow synoptic diagram of the finger print detecting module of full-automatic wireless Fingerprint Lock of the present invention.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, the described full-automatic wireless Fingerprint Lock of present embodiment, it comprises finger print detecting module 1, first single-chip microcomputer 2, first radio receiving transmitting module 3, second radio receiving transmitting module 4, second singlechip 5, magnetic force lock 6, first power circuit 7 and second source circuit 8; The detection signal input/output terminal of finger print detecting module 1 is connected with the detection signal input/output terminal of first single-chip microcomputer 2, first single-chip microcomputer 2 carries out exchanges data by first radio receiving transmitting module 3 and second radio receiving transmitting module 4 with second singlechip 5, and the control signal input/output terminal of second singlechip 5 is connected with the control signal input/output terminal of magnetic force lock;
First power circuit 7 provides working power for finger print detecting module 1, first single-chip microcomputer 2 and first radio receiving transmitting module 3;
Second source circuit 8 provides working power for second radio receiving transmitting module 4, second singlechip 5 and magnetic force lock 6.
Finger print detecting module 1, first single-chip microcomputer 2, first radio receiving transmitting module 3 and first power circuit 7 are formed the finger print remote control device;
Second radio receiving transmitting module 4, second singlechip 5, magnetic force lock 6 and second source circuit 8 are formed tapered end;
First power circuit 7 of present embodiment and second source circuit 8 are output two kinds of voltage: 5V, 3.3V and 12V; Adopting LM7805 three-terminal voltage-stabilizing chip, the 12V voltage of battery output is reduced to 5V, is the power supply of two single-chip microcomputers and finger print detecting module.Adopting LM1117 three-terminal voltage-stabilizing chip, the 12V voltage of battery output is reduced to 3.3V, is two radio receiving transmitting module power supplies.
First radio receiving transmitting module 3 and second radio receiving transmitting module 4 all adopt chip NRF24L01 to realize.Chip NRF24L01 is a monolithic wireless transceiver chip that 2.4~2.5GHz Global Access is used ISM band that is operated in.Arranging of output power, channel selection and agreement can arrange by the SPI interface.Chip NRF24L01 has extremely low current drain.In the present embodiment, first radio receiving transmitting module 3 sends to second radio receiving transmitting module 4 with the comparison result of finger print detecting module, by the processing of second singlechip, and the folding of the relay of control magnetic force lock 6.
Use the 60 kg class magnetic force lock of KOB brand in the present embodiment, use the 12V power supply, after powering on because powerful magnetomechanical effects, like the adhesive of magnetic force lock, after the outage, lose magnetomechanical effects and open.Second singlechip is controlled powering on of magnetic force lock by the relay of magnetic force lock and is cut off the power supply.
Embodiment two: present embodiment is the further restriction to embodiment one described full-automatic wireless Fingerprint Lock, and first single-chip microcomputer 2 and second singlechip 5 all adopt chip STC89C52 to realize.
Finger print remote control device and tapered end all need single-chip microcomputer as controller.In the finger print remote control device, first single-chip microcomputer is responsible for receiving data that finger print detecting module sends and is controlled wireless transport module simultaneously and send data.In tapered end, second singlechip control wireless module receives data, and the switch of the relay by control magnetic force lock is controlled the folding of magnetic force lock.First monolithic 2 and second singlechip 5 selected chips are STC89C52, are a kind of low pressure, 8 single-chip microcomputers of high-performance CMOS.Support online programming, can satisfy the needs of system program substantially; Integrated level height, little, the good reliability of volume have high performance price ratio.
The frequency of the crystal oscillator of described single-chip microcomputer is 11.0592Mhz.By UART communication, baud rate is set to 9600bps between first single-chip microcomputer 2 and the finger print detecting module 1.
Embodiment three: present embodiment is the further restriction to embodiment one described full-automatic wireless Fingerprint Lock, and described finger print detecting module 1 is the FM-180 finger print detecting module.
Finger print detecting module in the present embodiment adopts the FM-180 finger print detecting module.The bright background optical of a FM-180 fingerprint identification device adopts optical fingerprint sensor, is made of chips such as High Performance DSP processor and FLASH, has functions such as fingerprint image processing, template extraction, template matches, fingerprint search and template stores.
Embodiment four: present embodiment is the control method of embodiment one described full-automatic wireless Fingerprint Lock, and described first single-chip microcomputer 2 is embedded in software, and the course of work of described software comprises the steps:
Step to finger print detecting module 1 and first radio receiving transmitting module, 3 transmission initializing signals;
When receiving the correct signal of detection that finger print detecting module 1 sends, send the step of the order of opening magnetic force lock 6 to second singlechip 5 by first radio receiving transmitting module 3;
When receiving the signal of the detection mistake that finger print detecting module 1 sends, send the step of the order of closing magnetic force lock 6 to second singlechip 5 by first radio receiving transmitting module 3;
Described second singlechip 5 is embedded in software, and the course of work of described software comprises the steps:
Send the step of initializing signal to magnetic force lock 6 and second radio receiving transmitting module 4;
When receiving the order of opening magnetic force lock 6, send the step of the signal of opening tapered end to the magnetic force lock;
When receiving the order of closing magnetic force lock 6, send the step of the signal that closes locking head to the magnetic force lock.Embodiment five: in conjunction with Fig. 2 present embodiment is described, present embodiment is the fingerprint identification method of embodiment one described full-automatic wireless Fingerprint Lock,
The course of work of finger print detecting module 1 comprises the steps:
The typing fingerprint, and with the fingerprint generating feature of described typing and the step of storage;
Detect the step whether fingerprint signal to be detected is arranged;
When receiving fingerprint signal to be detected, described fingerprint signal is generated the step of fingerprint image;
Described fingerprint image is carried out pretreated step;
Pretreated fingerprint image is carried out the step of binaryzation;
Image after the binaryzation is carried out the step of refinement;
Fingerprint image after the refinement is carried out the step of feature point extraction;
According to the unique point of extracting judge described fingerprint signal to be detected whether with the step of the fingerprint matching of storage;
When judging fingerprint signal to be detected and database of fingerprint Signal Matching, the step that correct signal sends to first single-chip microcomputer 2 will be detected;
When judging fingerprint signal to be detected and database of fingerprint signal and do not match, will detect the step that wrong true signal sends to first single-chip microcomputer 2.
Fingerprint recognition is to be transformed into recognition mode earlier, and constantly whether detection has fingerprint to appear on the optically detecting head then.If have then scanning fingerprint, compare with the fingerprint in first single-chip microcomputer 2, be which fingerprint if just read.
Whether module can automatic detection have fingerprint, if having then sends the order of searching for fingerprint, just returns corresponding fingerprint number if search, and will not return 0 if having.
Increase by three buttons, K1, K2 and K3 at first single-chip microcomputer in the present embodiment;
When pressing K1 for the first time, change the step whether detection has fingerprint signal to be detected over to;
When pressing K1 for the second time, change the typing fingerprint over to, and with the fingerprint generating feature of described typing and the step of storage;
When pressing K2, carry out the typing fingerprint, and with the fingerprint generating feature of described typing and the step of storage;
When pressing K3, remove the fingerprint of storage in the finger print detecting module 1.

Claims (5)

1. full-automatic wireless Fingerprint Lock, it is characterized in that it comprises finger print detecting module (1), first single-chip microcomputer (2), first radio receiving transmitting module (3), second radio receiving transmitting module (4), second singlechip (5), magnetic force lock (6), first power circuit (7) and second source circuit (8); The detection signal input/output terminal of finger print detecting module (1) is connected with the detection signal input/output terminal of first single-chip microcomputer (2), first single-chip microcomputer (2) carries out exchanges data by first radio receiving transmitting module (3) and second radio receiving transmitting module (4) with second singlechip (5), and the control signal input/output terminal of second singlechip (5) is connected with the control signal input/output terminal of magnetic force lock;
First power circuit (7) is that finger print detecting module (1), first single-chip microcomputer (2) and first radio receiving transmitting module (3) provide working power;
Second source circuit (8) is that second radio receiving transmitting module (4), second singlechip (5) and magnetic force lock (6) provide working power.
2. full-automatic wireless Fingerprint Lock according to claim 1 is characterized in that,
First single-chip microcomputer (2) and second singlechip (5) all adopt chip STC89C52 to realize.
3. full-automatic wireless Fingerprint Lock according to claim 1 is characterized in that, described finger print detecting module (1) is the FM-180 finger print detecting module.
4. the control method of the described full-automatic wireless Fingerprint Lock of claim 1 is characterized in that,
Described first single-chip microcomputer (2) is embedded in software, and the course of work of described software comprises the steps:
Step to finger print detecting module (1) and first radio receiving transmitting module (3) transmission initializing signal;
When receiving the correct signal of detection that finger print detecting module (1) sends, send the step of the order of opening magnetic force lock (6) to second singlechip (5) by first radio receiving transmitting module (3);
When receiving the signal of the detection mistake that finger print detecting module (1) sends, send the step of the order of closing magnetic force lock (6) to second singlechip (5) by first radio receiving transmitting module (3);
Described second singlechip (5) is embedded in software, and the course of work of described software comprises the steps:
Step to magnetic force lock (6) and second radio receiving transmitting module (4) transmission initializing signal;
When receiving the order of opening magnetic force lock (6), send the step of the signal of opening tapered end to the magnetic force lock;
When receiving the order of closing magnetic force lock (6), send the step of the signal that closes locking head to the magnetic force lock.
5. the fingerprint identification method of the described full-automatic wireless Fingerprint Lock of claim 1 is characterized in that, the course of work of finger print detecting module (1) comprises the steps:
The typing fingerprint, and with the fingerprint generating feature of described typing and the step of storage;
Detect the step whether fingerprint signal to be detected is arranged;
When receiving fingerprint signal to be detected, described fingerprint signal is generated the step of fingerprint image;
Described fingerprint image is carried out pretreated step;
Pretreated fingerprint image is carried out the step of binaryzation;
Image after the binaryzation is carried out the step of refinement;
Fingerprint image after the refinement is carried out the step of feature point extraction;
According to the unique point of extracting judge described fingerprint signal to be detected whether with the step of the fingerprint signal coupling of first single-chip microcomputer storage;
When judging fingerprint signal to be detected and database of fingerprint Signal Matching, the step that correct signal sends to first single-chip microcomputer (2) will be detected;
When judging fingerprint signal to be detected and database of fingerprint signal and do not match, will detect the step that wrong true signal sends to first single-chip microcomputer (2).
CN2013102134754A 2013-05-31 2013-05-31 Fully automatic wireless fingerprint lock, and control method and fingerprint identification method thereof Pending CN103345787A (en)

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Application Number Priority Date Filing Date Title
CN2013102134754A CN103345787A (en) 2013-05-31 2013-05-31 Fully automatic wireless fingerprint lock, and control method and fingerprint identification method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104091379A (en) * 2014-06-26 2014-10-08 陈东卫 Intelligent fingerprint lock
CN110453992A (en) * 2019-08-01 2019-11-15 广东科徕尼智能科技有限公司 A kind of the anti-of smart lock cracks system, intelligent door, intelligent door lock, method and device
CN113944395A (en) * 2021-09-13 2022-01-18 安徽浦进轨道装备有限公司 Rail vehicle door power module and door control system

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CN2360542Y (en) * 1998-12-28 2000-01-26 中国科学院自动化研究所 Fingerprint lock radio warning safe
US20020034321A1 (en) * 1997-12-26 2002-03-21 Yoshihiro Saito Lock and switch using pressure-type fingerprint sensor
CN1402185A (en) * 2002-09-29 2003-03-12 杭州中正生物认证技术有限公司 Unlocking system capable of identifying finger-print
US20030121799A1 (en) * 2001-10-08 2003-07-03 Russell Stevens Real-time component monitoring and replenishment system for multicomponent fluids
CN201826625U (en) * 2010-10-15 2011-05-11 王侃 Split wireless fingerprint lock
CN102358259A (en) * 2011-09-16 2012-02-22 兰州大学 Automobile anti-theft automatic control system based on biological information identification
CN102587735A (en) * 2012-02-13 2012-07-18 深圳市中控生物识别技术有限公司 Magnetic lock with built-in wireless module
CN202372994U (en) * 2011-08-22 2012-08-08 武汉科技大学 Embedded fingerprint identification device
CN202472777U (en) * 2012-02-22 2012-10-03 成都众询科技有限公司 Fingerprint identification entrance guard system
CN203012814U (en) * 2012-10-26 2013-06-19 成都江法科技有限公司 Fingerprint identification and wireless identification door control system based on ARM (Advanced RISC Machines)

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020034321A1 (en) * 1997-12-26 2002-03-21 Yoshihiro Saito Lock and switch using pressure-type fingerprint sensor
CN2360542Y (en) * 1998-12-28 2000-01-26 中国科学院自动化研究所 Fingerprint lock radio warning safe
US20030121799A1 (en) * 2001-10-08 2003-07-03 Russell Stevens Real-time component monitoring and replenishment system for multicomponent fluids
CN1402185A (en) * 2002-09-29 2003-03-12 杭州中正生物认证技术有限公司 Unlocking system capable of identifying finger-print
CN201826625U (en) * 2010-10-15 2011-05-11 王侃 Split wireless fingerprint lock
CN202372994U (en) * 2011-08-22 2012-08-08 武汉科技大学 Embedded fingerprint identification device
CN102358259A (en) * 2011-09-16 2012-02-22 兰州大学 Automobile anti-theft automatic control system based on biological information identification
CN102587735A (en) * 2012-02-13 2012-07-18 深圳市中控生物识别技术有限公司 Magnetic lock with built-in wireless module
CN202472777U (en) * 2012-02-22 2012-10-03 成都众询科技有限公司 Fingerprint identification entrance guard system
CN203012814U (en) * 2012-10-26 2013-06-19 成都江法科技有限公司 Fingerprint identification and wireless identification door control system based on ARM (Advanced RISC Machines)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104091379A (en) * 2014-06-26 2014-10-08 陈东卫 Intelligent fingerprint lock
CN104091379B (en) * 2014-06-26 2016-07-06 银川博聚工业产品设计有限公司 A kind of intelligent fingerprint lock
CN110453992A (en) * 2019-08-01 2019-11-15 广东科徕尼智能科技有限公司 A kind of the anti-of smart lock cracks system, intelligent door, intelligent door lock, method and device
CN113944395A (en) * 2021-09-13 2022-01-18 安徽浦进轨道装备有限公司 Rail vehicle door power module and door control system

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Application publication date: 20131009