CN209168213U - A kind of antitheft access control system - Google Patents
A kind of antitheft access control system Download PDFInfo
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- CN209168213U CN209168213U CN201821721334.8U CN201821721334U CN209168213U CN 209168213 U CN209168213 U CN 209168213U CN 201821721334 U CN201821721334 U CN 201821721334U CN 209168213 U CN209168213 U CN 209168213U
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- stm32 controller
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Abstract
The utility model discloses a kind of antitheft access control systems, including power module, STM32 controller, face recognition module, image capture module, electromagnetic door lock module, WIFI communication module and NFC module, described image acquisition module output end is connected with face recognition module input terminal, the face recognition module output end is connected with STM32 controller input terminal, the STM32 controller output end is connected with electromagnetic door lock module input, the WIFI communication module and STM32 controller two-way communication link, the NFC module output end is connected with STM32 controller input terminal.The utility model passes through WIFI communication module for image capture module institute acquired image information, by in Internet transmission to user mobile phone APP end, user can understand situation outdoors, and control instruction is sent to access control system by cell phone application end, realize user to the long-range monitoring of access control system and control function；The utility model realizes that label card identifies unlocking function using NFC module simultaneously, meets the needs of different user.
Description
Technical field
The utility model relates to access control system technical fields.
Background technique
With the continuous development of social science and technology, requirement of the people for security door is higher and higher, from simple in the past antitheft,
To the intelligent anti-theft of today.
Existing intelligent access control system product is various, but current access control system do not configure it is corresponding realize it is long-range distant
Function is controlled, user is caused not carry out early warning according to real time status outdoors in time.
In addition, existing access control system unlocking mode is more single, common unlocking mode includes fingerprint recognition, face knowledge
Not and label card identifies, and current access control system leads to access control system a variety of unlocking modes are not combined
It is lacking in safety.
Utility model content
Technical problem to be solved by the utility model is: how to realize the telecommunication and control between access control system and user
Function, and how to combine two kinds of unlocking modes of tag recognition and recognition of face.
The solution that the utility model solves its technical problem is:
A kind of antitheft access control system, including power module, STM32 controller, face recognition module, image capture module,
Electromagnetic door lock module, WIFI communication module and the NFC for being communicated with the smart phone configured near field communication (NFC) function
Module, the power module are electrically connected with each circuit module respectively, described image acquisition module output end and recognition of face
Module input is connected, and the face recognition module output end is connected with STM32 controller input terminal, the STM32 controller
Output end is connected with electromagnetic door lock module input, the WIFI communication module and STM32 controller two-way communication link, described
NFC module output end is connected with STM32 controller input terminal.
As a further improvement of the above technical scheme, the NFC module includes signal processing unit and recognition unit,
The signal processing unit is connected with recognition unit input terminal, the recognition unit output end and STM32 controller input terminal phase
Even.
As a further improvement of the above technical scheme, the signal processing unit includes antenna, match circuit, EMC filter
Wave circuit and reception circuit；The antenna configuration has power pins, grounding pin and signal pins；The match circuit packet
Include resistance R1, resistance R2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5 and capacitor C6；The EMC filter circuit
Including capacitor C7, capacitor C8, inductance L1 and inductance L2；The reception circuit includes resistance R3, resistance R4, capacitor C9 and electricity
Hold C10；The grounding pin of the antenna is connected to the ground, and the power pins of antenna successively pass through concatenated resistance R1 and capacitor C1
It is connected with grounding pin, capacitor C2 is in parallel with capacitor C1, and capacitor C3 and capacitor C7 are connected on the both ends capacitor C2, and inductance L1 mono- is terminated
Between capacitor C3 and capacitor C7, the other end is connected with recognition unit, and the signal pins of antenna successively pass through concatenated resistance R2
And capacitor C4 is connected with grounding pin, capacitor C5 is in parallel with capacitor C4, and capacitor C6 and capacitor C8 are connected on the both ends capacitor C5, electricity
Feel between L2 mono- end Jie capacitor C6 and capacitor C8, the other end is connected with recognition unit, mono- end Jie capacitor C6 of resistance R3 and electricity
Feel between L2, the other end is connected by concatenated capacitor C9 and resistance R4 with recognition unit, the one end capacitor C10 and recognition unit
It is connected, other end ground connection.
As a further improvement of the above technical scheme, the recognition unit includes the radio frequency chip of model PN532, institute
It states signal processing unit to be connected with radio frequency chip input terminal, the radio frequency chip output end is connected with STM32 controller input terminal.
As a further improvement of the above technical scheme, the electromagnetic door lock module includes resistance R5, triode Q1, two poles
Pipe D1 and relay J1, the STM32 controller output end are connected by resistance R5 with triode Q1 base stage, triode Q1 hair
Emitter grounding, triode Q1 collector are connected with diode D1 anode, and diode D1 cathode is connected with power module, triode Q1
Collector is connected by relay J1 input circuit with power module.
As a further improvement of the above technical scheme, the power module includes switching power circuit, the type for exporting 5V
Number for the first voltage regulator chip of AMS1117, the second voltage regulator chip of model XC6219 and model RT9193 third
Voltage regulator chip, the first voltage regulator chip input terminal are connected with switching power circuit output end, the second voltage-stablizer core
Piece input terminal and third voltage regulator chip input terminal are connected with the first voltage regulator chip output end.
As a further improvement of the above technical scheme, described image acquisition module includes the camera of model OV2640
Mould group, the camera module are connected with face recognition module input terminal.
As a further improvement of the above technical scheme, the WIFI communication module is the WIFI mould of model RAK439
Group.
The beneficial effects of the utility model are: the utility model is acquired image capture module by WIFI communication module
The image information arrived, by the realtime graphic that in Internet transmission to user mobile phone APP end, user is transmitted according to access control system
Information understands situation outdoors, and sends control instruction to access control system by cell phone application end, realizes that user is to gate inhibition
The long-range monitoring of system and control function；The utility model realizes that label card identifies unlocking function using NFC module simultaneously, meets
The demand of different user.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the system framework figure of the utility model；
Fig. 2 is the NFC module embodiment schematic diagram of the utility model；
Fig. 3 is the electromagnetic door lock module embodiments schematic diagram of the utility model；
Fig. 4 is the power module embodiment schematic diagram of the utility model.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the application, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose, feature and effect of the application.Obviously, described embodiment is this Shen
A part of the embodiment please, rather than whole embodiments, are based on embodiments herein, and those skilled in the art is not paying
Other embodiments obtained under the premise of creative work belong to the range of the application protection.In addition, be previously mentioned in text
All connection relationships, not single finger element directly connect, and referring to can be according to specific implementation situation, by adding or the company of reduction
Connect element, Lai Zucheng more preferably circuit structure.Each technical characteristic in the invention, in the premise of not conflicting conflict
Under can be with combination of interactions.
Referring to Fig.1, this application discloses a kind of antitheft access control systems, including power module, STM32 controller, face to know
Other module, image capture module, electromagnetic door lock module, WIFI communication module and for be configured near field communication (NFC) function intelligence
The NFC module that energy mobile phone is communicated, the power module are electrically connected with each circuit module respectively, and described image acquires mould
Block output end is connected with face recognition module input terminal, the face recognition module output end and STM32 controller input terminal phase
Even, the STM32 controller output end is connected with electromagnetic door lock module input, and the WIFI communication module and STM32 are controlled
Device two-way communication link, the NFC module output end are connected with STM32 controller input terminal.Specifically, the application passes through WIFI
Communication module is by image capture module institute acquired image information, by Internet transmission to user mobile phone APP end, user
The real-time image information transmitted according to access control system understands situation outdoors, and passes through cell phone application end to access control system
Control instruction is sent, realizes user to the long-range monitoring of access control system and control function；The application is real using NFC module simultaneously
Existing label card identifies unlocking function, meets the needs of different user.
It is further used as preferred embodiment, in the application specific embodiment, the NFC module includes signal processing
Unit and recognition unit, the signal processing unit are connected with recognition unit input terminal, the recognition unit output end with
STM32 controller input terminal is connected.
Referring to Fig. 2, further, the signal processing unit include antenna, match circuit, EMC filter circuit and
Receive circuit；The antenna configuration has power pins, grounding pin and signal pins；The match circuit include resistance R1,
Resistance R2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5 and capacitor C6；The EMC filter circuit includes capacitor
C7, capacitor C8, inductance L1 and inductance L2；The reception circuit includes resistance R3, resistance R4, capacitor C9 and capacitor C10；Institute
The grounding pin for stating antenna is connected to the ground, and the power pins of antenna successively pass through concatenated resistance R1 and capacitor C1 and grounding lead
Foot is connected, and capacitor C2 is in parallel with capacitor C1, and capacitor C3 and capacitor C7 are connected on the both ends capacitor C2, mono- end Jie capacitor C3 of inductance L1
Between capacitor C7, the other end is connected with recognition unit, and the signal pins of antenna successively pass through concatenated resistance R2 and capacitor
C4 is connected with grounding pin, and capacitor C5 is in parallel with capacitor C4, and capacitor C6 and capacitor C8 are connected on the both ends capacitor C5, the one end inductance L2
It connecing between capacitor C6 and capacitor C8, the other end is connected with recognition unit, between resistance R3 mono- end Jie capacitor C6 and inductance L2,
The other end is connected by concatenated capacitor C9 and resistance R4 with recognition unit, and the one end capacitor C10 is connected with recognition unit, another
End ground connection.
In the application, the recognition unit includes the radio frequency chip of model PN532, the signal processing unit and radio frequency
Chip input terminal is connected, and the radio frequency chip output end is connected with STM32 controller input terminal.
Referring to Fig. 3, it is further used as preferred embodiment, in the application specific embodiment, the electromagnetic door mode locking
Block includes resistance R5, triode Q1, diode D1 and relay J1, the STM32 controller output end by resistance R5 with
Triode Q1 base stage is connected, and triode Q1 emitter ground connection, triode Q1 collector is connected with diode D1 anode, diode D1
Cathode is connected with power module, and triode Q1 collector is connected by relay J1 input circuit with power module, wherein described
Triode Q1 is mainly used for increasing STM32 controller to the drive control ability of relay J1.
Referring to Fig. 4, it is further used as preferred embodiment, in the application specific embodiment, the power module packet
Include the output switching power circuit of 5V, the first voltage regulator chip of model AMS1117, model XC6219 the second voltage-stablizer core
The third voltage regulator chip of piece and model RT9193, the first voltage regulator chip input terminal and switching power circuit export
End is connected, and the second voltage regulator chip input terminal and third voltage regulator chip input terminal are exported with the first voltage regulator chip
End is connected.The 5V voltage of input is converted into 3.3V voltage using the first voltage regulator chip by present embodiment, utilizes the second pressure stabilizing
The 3.3V voltage of input is converted into 1.5V voltage by device chip, is converted into the 3.3V voltage of input using third voltage regulator chip
2.8V voltage, i.e., the described power module can externally provide the voltage interface of 5V, 3.3V, 2.8V and 1.5V, each electricity of the application
Road module can voluntarily select different voltage interfaces according to power itself demand.
It is further used as preferred embodiment, in the application specific embodiment, described image acquisition module includes type
Number camera module for being OV2640, the camera module is connected with face recognition module input terminal.Additionally need explanation
Be, the face recognition module can be one it is independent, for carrying out the hardware circuit of image procossing, be also possible to configuration and exist
Inside STM32 controller, for carrying out the software program module of image procossing.Specifically, the face recognition module is main
Configured with 3 big functions, first is Face datection function, for detected human face region in image；Second is In vivo detection
Function, for judging whether face is true man in image；Third is match cognization function, for whether judging the face in image
Security door is opened if it is, STM32 controller directly controls the starting of electromagnetic door lock module for user, if it is not,
Image information is then transferred on user mobile phone APP end by STM32 controller by image information by WIFI communication module, by user
It is sent and is ordered to access control system by cell phone application end, decide whether to control the starting of electromagnetic door lock module.
It is further used as preferred embodiment, in the application specific embodiment, the WIFI communication module is model
For the WIFI mould group of RAK439.
The better embodiment of the application is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications under the premise of without prejudice to the application spirit or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (5)
1. a kind of antitheft access control system, it is characterised in that: including power module, STM32 controller, face recognition module, image
Acquisition module, electromagnetic door lock module, WIFI communication module and for configured near field communication (NFC) function smart phone carry out
The NFC module of communication, the power module respectively with each circuit module be electrically connected, described image acquisition module output end with
Face recognition module input terminal is connected, and the face recognition module output end is connected with STM32 controller input terminal, described
STM32 controller output end is connected with electromagnetic door lock module input, the WIFI communication module and STM32 controller two-way
Letter connection, the NFC module output end are connected with STM32 controller input terminal；
The NFC module includes signal processing unit and recognition unit, the signal processing unit and recognition unit input terminal
It is connected, the recognition unit output end is connected with STM32 controller input terminal；
The signal processing unit includes antenna, match circuit, EMC filter circuit and receives circuit；The antenna configuration has
Power pins, grounding pin and signal pins；The match circuit includes resistance R1, resistance R2, capacitor C1, capacitor C2, electricity
Hold C3, capacitor C4, capacitor C5 and capacitor C6；The EMC filter circuit includes capacitor C7, capacitor C8, inductance L1 and inductance
L2；The reception circuit includes resistance R3, resistance R4, capacitor C9 and capacitor C10；The grounding pin of the antenna and ground phase
Even, the power pins of antenna successively pass through concatenated resistance R1 and capacitor C1 is connected with grounding pin, capacitor C2 and capacitor C1
Parallel connection, capacitor C3 and capacitor C7 are connected on the both ends capacitor C2, between inductance L1 mono- end Jie capacitor C3 and capacitor C7, the other end with
Recognition unit is connected, and the signal pins of antenna successively pass through concatenated resistance R2 and capacitor C4 is connected with grounding pin, capacitor
C5 is in parallel with capacitor C4, and capacitor C6 and capacitor C8 are connected on the both ends capacitor C5, mono- end Jie capacitor C6 of inductance L2 and capacitor C8 it
Between, the other end is connected with recognition unit, and between resistance R3 mono- end Jie capacitor C6 and inductance L2, the other end passes through concatenated capacitor
C9 and resistance R4 are connected with recognition unit, and the one end capacitor C10 is connected with recognition unit, other end ground connection；
The recognition unit includes the radio frequency chip of model PN532, the signal processing unit and radio frequency chip input terminal phase
Even, the radio frequency chip output end is connected with STM32 controller input terminal.
2. a kind of antitheft access control system according to claim 1, it is characterised in that: the electromagnetic door lock module includes resistance
R5, triode Q1, diode D1 and relay J1, the STM32 controller output end pass through resistance R5 and triode Q1 base
Extremely it is connected, triode Q1 emitter ground connection, triode Q1 collector is connected with diode D1 anode, diode D1 cathode and power supply
Module is connected, and triode Q1 collector is connected by relay J1 input circuit with power module.
3. a kind of antitheft access control system according to claim 1, it is characterised in that: the power module includes output 5V
Switching power circuit, the first voltage regulator chip of model AMS1117, the second voltage regulator chip of model XC6219 and model
For the third voltage regulator chip of RT9193, the first voltage regulator chip input terminal is connected with switching power circuit output end, institute
It states the second voltage regulator chip input terminal and third voltage regulator chip input terminal is connected with the first voltage regulator chip output end.
4. a kind of antitheft access control system according to claim 1, it is characterised in that: described image acquisition module includes model
For the camera module of OV2640, the camera module is connected with face recognition module input terminal.
5. a kind of antitheft access control system according to claim 1, it is characterised in that: the WIFI communication module is model
The WIFI mould group of RAK439.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821721334.8U CN209168213U (en) | 2018-10-23 | 2018-10-23 | A kind of antitheft access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821721334.8U CN209168213U (en) | 2018-10-23 | 2018-10-23 | A kind of antitheft access control system |
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| Publication Number | Publication Date |
|---|---|
| CN209168213U true CN209168213U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821721334.8U Expired - Fee Related CN209168213U (en) | 2018-10-23 | 2018-10-23 | A kind of antitheft access control system |
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| CN (1) | CN209168213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448181A (en) * | 2018-10-23 | 2019-03-08 | 佛山科学技术学院 | A kind of antitheft access control system |
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2018
- 2018-10-23 CN CN201821721334.8U patent/CN209168213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448181A (en) * | 2018-10-23 | 2019-03-08 | 佛山科学技术学院 | A kind of antitheft access control system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20211023 |