CN108492411A - A kind of electronic lock control system - Google Patents
A kind of electronic lock control system Download PDFInfo
- Publication number
- CN108492411A CN108492411A CN201810203669.9A CN201810203669A CN108492411A CN 108492411 A CN108492411 A CN 108492411A CN 201810203669 A CN201810203669 A CN 201810203669A CN 108492411 A CN108492411 A CN 108492411A
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- China
- Prior art keywords
- interface
- cpu
- camera
- electronic lock
- memory
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- 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
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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
-
- 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
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
Abstract
The invention discloses a kind of electronic lock control systems, which is characterized in that includes a control circuit board, the control circuit board is equipped with display screen interface, fingerprint interface and utilizing camera interface；It also include power interface；Also include touch screen interface, speaker interface and unlocking motor interface；It also include memory, the memory is for storing the finger print information read by fingerprint sensor and the face information read by camera, the finger print information or/and face information that external fingerprint sensor and camera is read are transmitted to CPU, using comparison and calculate, comparison result is transmitted to CPU by the memory, the CPU is further according to comparison result output order to output circuit, the instruction that output circuit is exported according to CPU is respectively by the display screen interface, speaker interface and unlocking motor interface control external display screen, loud speaker and unlocking motor make corresponding reaction.
Description
Technical field
The control system with face, the electronic lock of fingerprint identification function that present invention relates particularly to a kind of.
Background technology
Lockset has formed a very huge family, and is constantly improved and updates, constantly to generation
Boundary shows its mystery.To sum up, lockset plays the function of " taking into custody constraint " in human civilization society, specification society
Meeting behavior, defends the security of the lives and property of people, maintains the stabilization of society.Present people's quality of life improves, more next
More pay attention to the safety problem of family, and lock is the important tool that the first pass can protect family property and life safety.
It is the epoch of Internet of Things now.And then the reach of science, our increasingly closer life of Internet of Things.The base of Internet of Things
Layer technology is ripe, and remaining is application technology.People are intended to family and the office of monitoring easy whenever and wherever possible oneself
The security situation of room.
Invention content
The purpose of the present invention is to provide a kind of electronic lock control systems with face, fingerprint identification function, to solve
Technical problem in background technology.
To realize that foregoing purpose, the present invention provide the following technical solutions：
A kind of electronic lock control system, which is characterized in that include a control circuit board, the control circuit board is equipped with aobvious
Display screen interface, fingerprint interface and utilizing camera interface, the display screen interface, fingerprint interface and utilizing camera interface and external display
Screen, fingerprint sensor are connected with camera by conducting wire, and the display screen interface, fingerprint interface and utilizing camera interface pass through CPLD
It is electrically connected with CPU；
Also include power interface, the power interface connect with external power supply and is the control by electric power management circuit
Circuit board is powered；
Also include touch screen interface, speaker interface and unlocking motor interface, the touch screen interface, speaker interface and
Unlocking motor interface is connect with external touch screen, loud speaker and unlocking motor by conducting wire respectively；
Also include memory, the memory is for storing the finger print information read by fingerprint sensor and passing through camera shooting
The finger print information or/and face information that the face information that head is read, external fingerprint sensor and camera are read pass through respectively
The fingerprint interface and utilizing camera interface are transmitted to the CPU, are transmitted in the memory and the memory using CPU
Interior finger print information and face information is compared and calculates respectively, and comparison result is transmitted to CPU by the memory, described
CPU is further according to comparison result output order to output circuit, and the instruction that output circuit is exported according to CPU is respectively by described aobvious
Display screen interface, speaker interface and unlocking motor interface are made accordingly to control external display screen, loud speaker and unlocking motor
Reaction；
The comparison uses SVM classifier, specific formula with calculating：
Further technical solution：The camera is infrared CMOS camera.
Further technical solution：It also include the USB interface with peripheral device communication.
Further technical solution：It also include the remote interface for realizing mobile phone remote control function.
Further technical solution：Also include CPU communication interfaces, the CPU is by communication management circuit and the CPU
Communication interface realization carries out communication with external equipment and connect.
Further technical solution：It also include RFID interface.
Further technical solution：The memory includes DDRAM and NAND.
Compared with prior art, the advantageous effect that the present invention generates has：
1, face high speed recognizer
Most important part is exactly face recognition algorithms in the present invention.Pervious face recognition algorithms include some defect,
For example, discrimination is very poor under direct light, identification verification, etc. can also be passed through with mobile phone bat.Present invention utilizes improvement
PCA+LDA algorithms will not be influenced by environment, and 1 meter of face can also be recognized with an infrared lamp.
2, algorithm for recognizing fingerprint
Pervious algorithm for recognizing fingerprint is much influenced by the characteristic of fingerprint acquisition instrument.
And the pixel of finger print data that it is wanted is bigger.
The present invention, will not be by the characteristic of fingerprint head using algorithm for recognizing fingerprint is improved, and the pixel is less than 160 * 160.
And the direction of finger is unrelated with recognition success rate.
3, low loss power supply design scheme
There is also Intelligent key on market in the past, but most of is all that current supply loss is bigger, all with big battery
And it changes battery number and frequently allows user very inconvenient very much.
The present invention proposes new power supply circuit scheme, and standby current is then used less than 35uA, operating current less than 300mA
Family, which once renews battery, can use year.
4, simple apparent interface development technology
For the GUI library of pervious product utilization than heavier, the processor that then it is wanted is horizontal high and of high cost.
Present invention utilizes light embedded type GUI library, the interface of the present invention can be transplanted to working frequency less than
In the processor of 250MHz.
5, high-speed starting technical solution
The operating system being abstracted than heavier comparison was all utilized in order to shorten the development cycle in the past, this operating system needs
It grows and starts the time.So it is all just to start up for 5 seconds or more that lock product was most of in the past.
Present invention utilizes simplest operating systems to shorten to the time is started within 1.5 seconds.
6, remote control protocol
The present invention proposes remote control protocol for remote control.
This agreement includes send instructions, data, photo etc..
Description of the drawings
Fig. 1：A kind of system diagram of electronic lock control system.
Fig. 2：A kind of control circuit board front elevation of electronic lock control system.
Fig. 3：A kind of control circuit board reverse side figure of electronic lock control system.
Fig. 4：A kind of embodiment definition graph of electronic lock control system.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
A kind of electronic lock control system, which is characterized in that include a control circuit board 1, set in the control circuit board 1
There are display screen interface 15, fingerprint interface 12 and utilizing camera interface 13, the display screen interface 15, fingerprint interface 12 and camera to connect
Mouth 13 is connect with external display screen, fingerprint sensor and camera by conducting wire respectively, and the display screen interface 15, fingerprint connect
Mouth 12 and utilizing camera interface 13 are electrically connected by CPLD 3 with CPU 2；
Also include power interface 14, the power interface 14 connect with external power supply and is described by electric power management circuit
Control circuit board 1 is powered；
Also include touch screen interface 11, speaker interface 16 and unlocking motor interface 17, the touch screen interface 11 is raised one's voice
Device interface 16 and unlocking motor interface 17 are connect with external touch screen, loud speaker and unlocking motor by conducting wire respectively；Also wrap
Containing memory 18, the memory 18 is used to store the finger print information read by fingerprint sensor and be read by camera
The finger print information or/and face information that face information, external fingerprint sensor and camera are read pass through the fingerprint respectively
Interface 12 and utilizing camera interface 13 are transmitted to the CPU 2, are transmitted in the memory 18 using CPU 2 and are deposited with described
Finger print information and face information in reservoir 18 are compared and calculate respectively, and comparison result is transmitted to by the memory 18
The instruction point that CPU 2, the CPU 2 are exported further according to comparison result output order to output circuit, output circuit according to CPU 2
External display screen, loud speaker are not controlled by the display screen interface 15, speaker interface 16 and unlocking motor interface 17
Corresponding reaction is made with unlocking motor；
The comparison uses SVM classifier, specific formula with calculating：
Further technical solution：The camera is infrared CMOS camera.
Further technical solution：Also include the UBS interfaces 4 with peripheral device communication.
Further technical solution：It also include the remote interface 5 for realizing mobile phone remote control function.
Further technical solution：Also include CPU communication interfaces, the CPU is by communication management circuit and the CPU
Communication interface realization carries out communication with external equipment and connect.
Further technical solution：It also include RFID interface 6.
Further technical solution：The memory 18 includes DDRAM 181 and NAND 182.
Operation principle is as follows：
First, after infrared camera reads the image data comprising face, the data of the face part in image
It takes out, according to the requirement of extraction characteristic information algorithm, the part of extraction is standardized.Then it is calculated with improved PCA+LDA
Method releases to everyone face the characteristic of 5000byte or so.These data be all it is unique to each face,
It will not be influenced by environment, for example, wear a pair of spectacles, wears cap etc..
For fingerprint recognition, extracted the characteristic of 480byte out to each fingerprint, these data with fingerprint direction without
It closes.And this algorithm utilizes living body finger print identification technology, and false fingerprint can be discharged.
Data when login these extractions are stored in database, and when comparison carries out according to these data in database
1:N comparison methods.
Such as Fig. 4：For Face datection, we will use a kind of referred to as histograms of oriented gradients (Histogram of
Oriented Gradients) method, abbreviation HOG.
For recognition of face, we have trained a depth convolutional neural networks and SVM classifier.By the facial image of input,
It is converted into a vectorial expression.The vector used in the algorithm is 128x1, that is, the vector of one 128 dimension.We are sharp
It is calculated with the model of VGG16.
It is obvious to a person skilled in the art that the present invention is not limited to the details of foregoing example embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than preceding description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of electronic lock control system, which is characterized in that include a control circuit board, the control circuit board is equipped with display
Shield interface, fingerprint interface and utilizing camera interface, the display screen interface, fingerprint interface and utilizing camera interface and external display
Screen, fingerprint sensor are connected with camera by conducting wire, and the display screen interface, fingerprint interface and utilizing camera interface pass through CPLD
It is electrically connected with CPU；
Also include power interface, the power interface connect with external power supply and is the control circuit by electric power management circuit
Plate is powered；
Also include touch screen interface, speaker interface and unlocking motor interface, the touch screen interface, speaker interface and unlocking
Motor interface is connect with external touch screen, loud speaker and unlocking motor by conducting wire respectively；
Also include memory, the memory is for storing the finger print information read by fingerprint sensor and being read by camera
The finger print information or/and face information that the face information taken, external fingerprint sensor and camera are read pass through described respectively
Fingerprint interface and utilizing camera interface are transmitted to the CPU, using CPU be transmitted in the memory in the memory
Finger print information and face information are compared and calculate respectively, and comparison result is transmitted to CPU by the memory, and the CPU is again
According to comparison result output order to output circuit, the instruction that output circuit is exported according to CPU is connect by the display screen respectively
Mouth, speaker interface and unlocking motor interface make corresponding reaction to control external display screen, loud speaker and unlocking motor；
The comparison uses SVM classifier, specific formula with calculating：
2. a kind of electronic lock control system according to claim 1, it is characterised in that：The camera is that infrared CMOS takes the photograph
As head.
3. a kind of electronic lock control system according to claim 1, it is characterised in that：Also include and peripheral device communication
USB interface.
4. a kind of electronic lock control system according to claim 1, it is characterised in that：Also include to realize mobile phone remote control
The remote interface of function.
5. a kind of electronic lock control system according to claim 1, it is characterised in that：Also include CPU communication interfaces, it is described
CPU carries out communication with external equipment with CPU communication interfaces realization by communication management circuit and connect.
6. a kind of electronic lock control system according to claim 1, it is characterised in that：It also include RFID interface.
7. a kind of electronic lock control system according to claim 1, it is characterised in that：The memory include DDRAM and
NAND。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203669.9A CN108492411A (en) | 2018-03-13 | 2018-03-13 | A kind of electronic lock control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203669.9A CN108492411A (en) | 2018-03-13 | 2018-03-13 | A kind of electronic lock control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108492411A true CN108492411A (en) | 2018-09-04 |
Family
ID=63338827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810203669.9A Pending CN108492411A (en) | 2018-03-13 | 2018-03-13 | A kind of electronic lock control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108492411A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI715243B (en) * | 2019-10-14 | 2021-01-01 | 林 招慶 | Electronic supplementary lock |
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| TWI715243B (en) * | 2019-10-14 | 2021-01-01 | 林 招慶 | Electronic supplementary lock |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
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| RJ01 | Rejection of invention patent application after publication |